--- /dev/null
+/* Copyright 2008-2013 Broadcom Corporation
+ *
+ * Unless you and Broadcom execute a separate written software license
+ * agreement governing use of this software, this software is licensed to you
+ * under the terms of the GNU General Public License version 2, available
+ * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
+ *
+ * Notwithstanding the above, under no circumstances may you combine this
+ * software in any way with any other Broadcom software provided under a
+ * license other than the GPL, without Broadcom's express prior written
+ * consent.
+ *
+ * Written by Yaniv Rosner
+ *
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/delay.h>
+#include <linux/ethtool.h>
+#include <linux/mutex.h>
+
+#include "bnx2x.h"
+#include "bnx2x_cmn.h"
+
+typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u8 dev_addr, u16 addr, u8 byte_cnt,
+ u8 *o_buf, u8);
+/********************************************************/
+#define ETH_HLEN 14
+/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
+#define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
+#define ETH_MIN_PACKET_SIZE 60
+#define ETH_MAX_PACKET_SIZE 1500
+#define ETH_MAX_JUMBO_PACKET_SIZE 9600
+#define MDIO_ACCESS_TIMEOUT 1000
+#define WC_LANE_MAX 4
+#define I2C_SWITCH_WIDTH 2
+#define I2C_BSC0 0
+#define I2C_BSC1 1
+#define I2C_WA_RETRY_CNT 3
+#define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
+#define MCPR_IMC_COMMAND_READ_OP 1
+#define MCPR_IMC_COMMAND_WRITE_OP 2
+
+/* LED Blink rate that will achieve ~15.9Hz */
+#define LED_BLINK_RATE_VAL_E3 354
+#define LED_BLINK_RATE_VAL_E1X_E2 480
+/***********************************************************/
+/* Shortcut definitions */
+/***********************************************************/
+
+#define NIG_LATCH_BC_ENABLE_MI_INT 0
+
+#define NIG_STATUS_EMAC0_MI_INT \
+ NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
+#define NIG_STATUS_XGXS0_LINK10G \
+ NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
+#define NIG_STATUS_XGXS0_LINK_STATUS \
+ NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
+#define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
+ NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
+#define NIG_STATUS_SERDES0_LINK_STATUS \
+ NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
+#define NIG_MASK_MI_INT \
+ NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
+#define NIG_MASK_XGXS0_LINK10G \
+ NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
+#define NIG_MASK_XGXS0_LINK_STATUS \
+ NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
+#define NIG_MASK_SERDES0_LINK_STATUS \
+ NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
+
+#define MDIO_AN_CL73_OR_37_COMPLETE \
+ (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
+ MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
+
+#define XGXS_RESET_BITS \
+ (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
+ MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
+ MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
+ MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
+ MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
+
+#define SERDES_RESET_BITS \
+ (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
+ MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
+ MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
+ MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
+
+#define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
+#define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
+#define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
+#define AUTONEG_PARALLEL \
+ SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
+#define AUTONEG_SGMII_FIBER_AUTODET \
+ SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
+#define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
+
+#define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
+ MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
+#define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
+ MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
+#define GP_STATUS_SPEED_MASK \
+ MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
+#define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
+#define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
+#define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
+#define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
+#define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
+#define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
+#define GP_STATUS_10G_HIG \
+ MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
+#define GP_STATUS_10G_CX4 \
+ MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
+#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
+#define GP_STATUS_10G_KX4 \
+ MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
+#define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
+#define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
+#define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
+#define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
+#define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
+#define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
+#define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
+#define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
+#define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
+#define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
+#define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
+#define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
+#define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
+#define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
+#define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
+#define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
+#define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
+#define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
+#define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
+#define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
+
+#define LINK_UPDATE_MASK \
+ (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
+ LINK_STATUS_LINK_UP | \
+ LINK_STATUS_PHYSICAL_LINK_FLAG | \
+ LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
+ LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
+ LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
+ LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
+ LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
+ LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
+
+#define SFP_EEPROM_CON_TYPE_ADDR 0x2
+ #define SFP_EEPROM_CON_TYPE_VAL_UNKNOWN 0x0
+ #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
+ #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
+ #define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
+
+
+#define SFP_EEPROM_10G_COMP_CODE_ADDR 0x3
+ #define SFP_EEPROM_10G_COMP_CODE_SR_MASK (1<<4)
+ #define SFP_EEPROM_10G_COMP_CODE_LR_MASK (1<<5)
+ #define SFP_EEPROM_10G_COMP_CODE_LRM_MASK (1<<6)
+
+#define SFP_EEPROM_1G_COMP_CODE_ADDR 0x6
+ #define SFP_EEPROM_1G_COMP_CODE_SX (1<<0)
+ #define SFP_EEPROM_1G_COMP_CODE_LX (1<<1)
+ #define SFP_EEPROM_1G_COMP_CODE_CX (1<<2)
+ #define SFP_EEPROM_1G_COMP_CODE_BASE_T (1<<3)
+
+#define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
+ #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
+ #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
+
+#define SFP_EEPROM_OPTIONS_ADDR 0x40
+ #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
+#define SFP_EEPROM_OPTIONS_SIZE 2
+
+#define EDC_MODE_LINEAR 0x0022
+#define EDC_MODE_LIMITING 0x0044
+#define EDC_MODE_PASSIVE_DAC 0x0055
+#define EDC_MODE_ACTIVE_DAC 0x0066
+
+/* ETS defines*/
+#define DCBX_INVALID_COS (0xFF)
+
+#define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
+#define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
+#define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
+#define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
+#define ETS_E3B0_PBF_MIN_W_VAL (10000)
+
+#define MAX_PACKET_SIZE (9700)
+#define MAX_KR_LINK_RETRY 4
+#define DEFAULT_TX_DRV_BRDCT 2
+#define DEFAULT_TX_DRV_IFIR 0
+#define DEFAULT_TX_DRV_POST2 3
+#define DEFAULT_TX_DRV_IPRE_DRIVER 6
+
+/**********************************************************/
+/* INTERFACE */
+/**********************************************************/
+
+#define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
+ bnx2x_cl45_write(_bp, _phy, \
+ (_phy)->def_md_devad, \
+ (_bank + (_addr & 0xf)), \
+ _val)
+
+#define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
+ bnx2x_cl45_read(_bp, _phy, \
+ (_phy)->def_md_devad, \
+ (_bank + (_addr & 0xf)), \
+ _val)
+
+static int bnx2x_check_half_open_conn(struct link_params *params,
+ struct link_vars *vars, u8 notify);
+static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
+ struct link_params *params);
+
+static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
+{
+ u32 val = REG_RD(bp, reg);
+
+ val |= bits;
+ REG_WR(bp, reg, val);
+ return val;
+}
+
+static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
+{
+ u32 val = REG_RD(bp, reg);
+
+ val &= ~bits;
+ REG_WR(bp, reg, val);
+ return val;
+}
+
+/*
+ * bnx2x_check_lfa - This function checks if link reinitialization is required,
+ * or link flap can be avoided.
+ *
+ * @params: link parameters
+ * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
+ * condition code.
+ */
+static int bnx2x_check_lfa(struct link_params *params)
+{
+ u32 link_status, cfg_idx, lfa_mask, cfg_size;
+ u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
+ u32 saved_val, req_val, eee_status;
+ struct bnx2x *bp = params->bp;
+
+ additional_config =
+ REG_RD(bp, params->lfa_base +
+ offsetof(struct shmem_lfa, additional_config));
+
+ /* NOTE: must be first condition checked -
+ * to verify DCC bit is cleared in any case!
+ */
+ if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
+ DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
+ REG_WR(bp, params->lfa_base +
+ offsetof(struct shmem_lfa, additional_config),
+ additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
+ return LFA_DCC_LFA_DISABLED;
+ }
+
+ /* Verify that link is up */
+ link_status = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ port_mb[params->port].link_status));
+ if (!(link_status & LINK_STATUS_LINK_UP))
+ return LFA_LINK_DOWN;
+
+ /* if loaded after BOOT from SAN, don't flap the link in any case and
+ * rely on link set by preboot driver
+ */
+ if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
+ return 0;
+
+ /* Verify that loopback mode is not set */
+ if (params->loopback_mode)
+ return LFA_LOOPBACK_ENABLED;
+
+ /* Verify that MFW supports LFA */
+ if (!params->lfa_base)
+ return LFA_MFW_IS_TOO_OLD;
+
+ if (params->num_phys == 3) {
+ cfg_size = 2;
+ lfa_mask = 0xffffffff;
+ } else {
+ cfg_size = 1;
+ lfa_mask = 0xffff;
+ }
+
+ /* Compare Duplex */
+ saved_val = REG_RD(bp, params->lfa_base +
+ offsetof(struct shmem_lfa, req_duplex));
+ req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
+ if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
+ DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
+ (saved_val & lfa_mask), (req_val & lfa_mask));
+ return LFA_DUPLEX_MISMATCH;
+ }
+ /* Compare Flow Control */
+ saved_val = REG_RD(bp, params->lfa_base +
+ offsetof(struct shmem_lfa, req_flow_ctrl));
+ req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
+ if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
+ DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
+ (saved_val & lfa_mask), (req_val & lfa_mask));
+ return LFA_FLOW_CTRL_MISMATCH;
+ }
+ /* Compare Link Speed */
+ saved_val = REG_RD(bp, params->lfa_base +
+ offsetof(struct shmem_lfa, req_line_speed));
+ req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
+ if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
+ DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
+ (saved_val & lfa_mask), (req_val & lfa_mask));
+ return LFA_LINK_SPEED_MISMATCH;
+ }
+
+ for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
+ cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
+ offsetof(struct shmem_lfa,
+ speed_cap_mask[cfg_idx]));
+
+ if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
+ DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
+ cur_speed_cap_mask,
+ params->speed_cap_mask[cfg_idx]);
+ return LFA_SPEED_CAP_MISMATCH;
+ }
+ }
+
+ cur_req_fc_auto_adv =
+ REG_RD(bp, params->lfa_base +
+ offsetof(struct shmem_lfa, additional_config)) &
+ REQ_FC_AUTO_ADV_MASK;
+
+ if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
+ DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
+ cur_req_fc_auto_adv, params->req_fc_auto_adv);
+ return LFA_FLOW_CTRL_MISMATCH;
+ }
+
+ eee_status = REG_RD(bp, params->shmem2_base +
+ offsetof(struct shmem2_region,
+ eee_status[params->port]));
+
+ if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
+ (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
+ ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
+ (params->eee_mode & EEE_MODE_ADV_LPI))) {
+ DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
+ eee_status);
+ return LFA_EEE_MISMATCH;
+ }
+
+ /* LFA conditions are met */
+ return 0;
+}
+/******************************************************************/
+/* EPIO/GPIO section */
+/******************************************************************/
+static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
+{
+ u32 epio_mask, gp_oenable;
+ *en = 0;
+ /* Sanity check */
+ if (epio_pin > 31) {
+ DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
+ return;
+ }
+
+ epio_mask = 1 << epio_pin;
+ /* Set this EPIO to output */
+ gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
+ REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
+
+ *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
+}
+static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
+{
+ u32 epio_mask, gp_output, gp_oenable;
+
+ /* Sanity check */
+ if (epio_pin > 31) {
+ DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
+ return;
+ }
+ DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
+ epio_mask = 1 << epio_pin;
+ /* Set this EPIO to output */
+ gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
+ if (en)
+ gp_output |= epio_mask;
+ else
+ gp_output &= ~epio_mask;
+
+ REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
+
+ /* Set the value for this EPIO */
+ gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
+ REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
+}
+
+static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
+{
+ if (pin_cfg == PIN_CFG_NA)
+ return;
+ if (pin_cfg >= PIN_CFG_EPIO0) {
+ bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
+ } else {
+ u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
+ u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
+ bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
+ }
+}
+
+static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
+{
+ if (pin_cfg == PIN_CFG_NA)
+ return -EINVAL;
+ if (pin_cfg >= PIN_CFG_EPIO0) {
+ bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
+ } else {
+ u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
+ u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
+ *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
+ }
+ return 0;
+
+}
+/******************************************************************/
+/* ETS section */
+/******************************************************************/
+static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
+{
+ /* ETS disabled configuration*/
+ struct bnx2x *bp = params->bp;
+
+ DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
+
+ /* mapping between entry priority to client number (0,1,2 -debug and
+ * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
+ * 3bits client num.
+ * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
+ * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
+ */
+
+ REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
+ /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
+ * as strict. Bits 0,1,2 - debug and management entries, 3 -
+ * COS0 entry, 4 - COS1 entry.
+ * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
+ * bit4 bit3 bit2 bit1 bit0
+ * MCP and debug are strict
+ */
+
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
+ /* defines which entries (clients) are subjected to WFQ arbitration */
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
+ /* For strict priority entries defines the number of consecutive
+ * slots for the highest priority.
+ */
+ REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
+ /* mapping between the CREDIT_WEIGHT registers and actual client
+ * numbers
+ */
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
+
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
+ REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
+ /* ETS mode disable */
+ REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
+ /* If ETS mode is enabled (there is no strict priority) defines a WFQ
+ * weight for COS0/COS1.
+ */
+ REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
+ REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
+ /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
+ REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
+ REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
+ /* Defines the number of consecutive slots for the strict priority */
+ REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
+}
+/******************************************************************************
+* Description:
+* Getting min_w_val will be set according to line speed .
+*.
+******************************************************************************/
+static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
+{
+ u32 min_w_val = 0;
+ /* Calculate min_w_val.*/
+ if (vars->link_up) {
+ if (vars->line_speed == SPEED_20000)
+ min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
+ else
+ min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
+ } else
+ min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
+ /* If the link isn't up (static configuration for example ) The
+ * link will be according to 20GBPS.
+ */
+ return min_w_val;
+}
+/******************************************************************************
+* Description:
+* Getting credit upper bound form min_w_val.
+*.
+******************************************************************************/
+static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
+{
+ const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
+ MAX_PACKET_SIZE);
+ return credit_upper_bound;
+}
+/******************************************************************************
+* Description:
+* Set credit upper bound for NIG.
+*.
+******************************************************************************/
+static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
+ const struct link_params *params,
+ const u32 min_w_val)
+{
+ struct bnx2x *bp = params->bp;
+ const u8 port = params->port;
+ const u32 credit_upper_bound =
+ bnx2x_ets_get_credit_upper_bound(min_w_val);
+
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
+ NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
+ NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
+ NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
+ NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
+ NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
+ NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
+
+ if (!port) {
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
+ credit_upper_bound);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
+ credit_upper_bound);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
+ credit_upper_bound);
+ }
+}
+/******************************************************************************
+* Description:
+* Will return the NIG ETS registers to init values.Except
+* credit_upper_bound.
+* That isn't used in this configuration (No WFQ is enabled) and will be
+* configured according to spec
+*.
+******************************************************************************/
+static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
+ const struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ const u8 port = params->port;
+ const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
+ /* Mapping between entry priority to client number (0,1,2 -debug and
+ * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
+ * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
+ * reset value or init tool
+ */
+ if (port) {
+ REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
+ REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
+ } else {
+ REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
+ }
+ /* For strict priority entries defines the number of consecutive
+ * slots for the highest priority.
+ */
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
+ NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
+ /* Mapping between the CREDIT_WEIGHT registers and actual client
+ * numbers
+ */
+ if (port) {
+ /*Port 1 has 6 COS*/
+ REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
+ REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
+ } else {
+ /*Port 0 has 9 COS*/
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
+ 0x43210876);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
+ }
+
+ /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
+ * as strict. Bits 0,1,2 - debug and management entries, 3 -
+ * COS0 entry, 4 - COS1 entry.
+ * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
+ * bit4 bit3 bit2 bit1 bit0
+ * MCP and debug are strict
+ */
+ if (port)
+ REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
+ else
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
+ /* defines which entries (clients) are subjected to WFQ arbitration */
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
+ NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
+
+ /* Please notice the register address are note continuous and a
+ * for here is note appropriate.In 2 port mode port0 only COS0-5
+ * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
+ * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
+ * are never used for WFQ
+ */
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
+ if (!port) {
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
+ }
+
+ bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
+}
+/******************************************************************************
+* Description:
+* Set credit upper bound for PBF.
+*.
+******************************************************************************/
+static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
+ const struct link_params *params,
+ const u32 min_w_val)
+{
+ struct bnx2x *bp = params->bp;
+ const u32 credit_upper_bound =
+ bnx2x_ets_get_credit_upper_bound(min_w_val);
+ const u8 port = params->port;
+ u32 base_upper_bound = 0;
+ u8 max_cos = 0;
+ u8 i = 0;
+ /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
+ * port mode port1 has COS0-2 that can be used for WFQ.
+ */
+ if (!port) {
+ base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
+ max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
+ } else {
+ base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
+ max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
+ }
+
+ for (i = 0; i < max_cos; i++)
+ REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
+}
+
+/******************************************************************************
+* Description:
+* Will return the PBF ETS registers to init values.Except
+* credit_upper_bound.
+* That isn't used in this configuration (No WFQ is enabled) and will be
+* configured according to spec
+*.
+******************************************************************************/
+static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ const u8 port = params->port;
+ const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
+ u8 i = 0;
+ u32 base_weight = 0;
+ u8 max_cos = 0;
+
+ /* Mapping between entry priority to client number 0 - COS0
+ * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
+ * TODO_ETS - Should be done by reset value or init tool
+ */
+ if (port)
+ /* 0x688 (|011|0 10|00 1|000) */
+ REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
+ else
+ /* (10 1|100 |011|0 10|00 1|000) */
+ REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
+
+ /* TODO_ETS - Should be done by reset value or init tool */
+ if (port)
+ /* 0x688 (|011|0 10|00 1|000)*/
+ REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
+ else
+ /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
+ REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
+
+ REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
+ PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
+
+
+ REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
+ PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
+
+ REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
+ PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
+ /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
+ * In 4 port mode port1 has COS0-2 that can be used for WFQ.
+ */
+ if (!port) {
+ base_weight = PBF_REG_COS0_WEIGHT_P0;
+ max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
+ } else {
+ base_weight = PBF_REG_COS0_WEIGHT_P1;
+ max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
+ }
+
+ for (i = 0; i < max_cos; i++)
+ REG_WR(bp, base_weight + (0x4 * i), 0);
+
+ bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
+}
+/******************************************************************************
+* Description:
+* E3B0 disable will return basically the values to init values.
+*.
+******************************************************************************/
+static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
+ const struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+
+ if (!CHIP_IS_E3B0(bp)) {
+ DP(NETIF_MSG_LINK,
+ "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
+ return -EINVAL;
+ }
+
+ bnx2x_ets_e3b0_nig_disabled(params, vars);
+
+ bnx2x_ets_e3b0_pbf_disabled(params);
+
+ return 0;
+}
+
+/******************************************************************************
+* Description:
+* Disable will return basically the values to init values.
+*
+******************************************************************************/
+int bnx2x_ets_disabled(struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ int bnx2x_status = 0;
+
+ if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
+ bnx2x_ets_e2e3a0_disabled(params);
+ else if (CHIP_IS_E3B0(bp))
+ bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
+ else {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
+ return -EINVAL;
+ }
+
+ return bnx2x_status;
+}
+
+/******************************************************************************
+* Description
+* Set the COS mappimg to SP and BW until this point all the COS are not
+* set as SP or BW.
+******************************************************************************/
+static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
+ const struct bnx2x_ets_params *ets_params,
+ const u8 cos_sp_bitmap,
+ const u8 cos_bw_bitmap)
+{
+ struct bnx2x *bp = params->bp;
+ const u8 port = params->port;
+ const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
+ const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
+ const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
+ const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
+
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
+ NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
+
+ REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
+ PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
+
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
+ NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
+ nig_cli_subject2wfq_bitmap);
+
+ REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
+ PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
+ pbf_cli_subject2wfq_bitmap);
+
+ return 0;
+}
+
+/******************************************************************************
+* Description:
+* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
+* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
+******************************************************************************/
+static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
+ const u8 cos_entry,
+ const u32 min_w_val_nig,
+ const u32 min_w_val_pbf,
+ const u16 total_bw,
+ const u8 bw,
+ const u8 port)
+{
+ u32 nig_reg_adress_crd_weight = 0;
+ u32 pbf_reg_adress_crd_weight = 0;
+ /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
+ const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
+ const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
+
+ switch (cos_entry) {
+ case 0:
+ nig_reg_adress_crd_weight =
+ (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
+ pbf_reg_adress_crd_weight = (port) ?
+ PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
+ break;
+ case 1:
+ nig_reg_adress_crd_weight = (port) ?
+ NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
+ pbf_reg_adress_crd_weight = (port) ?
+ PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
+ break;
+ case 2:
+ nig_reg_adress_crd_weight = (port) ?
+ NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
+
+ pbf_reg_adress_crd_weight = (port) ?
+ PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
+ break;
+ case 3:
+ if (port)
+ return -EINVAL;
+ nig_reg_adress_crd_weight =
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
+ pbf_reg_adress_crd_weight =
+ PBF_REG_COS3_WEIGHT_P0;
+ break;
+ case 4:
+ if (port)
+ return -EINVAL;
+ nig_reg_adress_crd_weight =
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
+ pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
+ break;
+ case 5:
+ if (port)
+ return -EINVAL;
+ nig_reg_adress_crd_weight =
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
+ pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
+ break;
+ }
+
+ REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
+
+ REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
+
+ return 0;
+}
+/******************************************************************************
+* Description:
+* Calculate the total BW.A value of 0 isn't legal.
+*
+******************************************************************************/
+static int bnx2x_ets_e3b0_get_total_bw(
+ const struct link_params *params,
+ struct bnx2x_ets_params *ets_params,
+ u16 *total_bw)
+{
+ struct bnx2x *bp = params->bp;
+ u8 cos_idx = 0;
+ u8 is_bw_cos_exist = 0;
+
+ *total_bw = 0 ;
+ /* Calculate total BW requested */
+ for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
+ if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
+ is_bw_cos_exist = 1;
+ if (!ets_params->cos[cos_idx].params.bw_params.bw) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
+ "was set to 0\n");
+ /* This is to prevent a state when ramrods
+ * can't be sent
+ */
+ ets_params->cos[cos_idx].params.bw_params.bw
+ = 1;
+ }
+ *total_bw +=
+ ets_params->cos[cos_idx].params.bw_params.bw;
+ }
+ }
+
+ /* Check total BW is valid */
+ if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
+ if (*total_bw == 0) {
+ DP(NETIF_MSG_LINK,
+ "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
+ return -EINVAL;
+ }
+ DP(NETIF_MSG_LINK,
+ "bnx2x_ets_E3B0_config total BW should be 100\n");
+ /* We can handle a case whre the BW isn't 100 this can happen
+ * if the TC are joined.
+ */
+ }
+ return 0;
+}
+
+/******************************************************************************
+* Description:
+* Invalidate all the sp_pri_to_cos.
+*
+******************************************************************************/
+static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
+{
+ u8 pri = 0;
+ for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
+ sp_pri_to_cos[pri] = DCBX_INVALID_COS;
+}
+/******************************************************************************
+* Description:
+* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
+* according to sp_pri_to_cos.
+*
+******************************************************************************/
+static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
+ u8 *sp_pri_to_cos, const u8 pri,
+ const u8 cos_entry)
+{
+ struct bnx2x *bp = params->bp;
+ const u8 port = params->port;
+ const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
+ DCBX_E3B0_MAX_NUM_COS_PORT0;
+
+ if (pri >= max_num_of_cos) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
+ "parameter Illegal strict priority\n");
+ return -EINVAL;
+ }
+
+ if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
+ "parameter There can't be two COS's with "
+ "the same strict pri\n");
+ return -EINVAL;
+ }
+
+ sp_pri_to_cos[pri] = cos_entry;
+ return 0;
+
+}
+
+/******************************************************************************
+* Description:
+* Returns the correct value according to COS and priority in
+* the sp_pri_cli register.
+*
+******************************************************************************/
+static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
+ const u8 pri_set,
+ const u8 pri_offset,
+ const u8 entry_size)
+{
+ u64 pri_cli_nig = 0;
+ pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
+ (pri_set + pri_offset));
+
+ return pri_cli_nig;
+}
+/******************************************************************************
+* Description:
+* Returns the correct value according to COS and priority in the
+* sp_pri_cli register for NIG.
+*
+******************************************************************************/
+static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
+{
+ /* MCP Dbg0 and dbg1 are always with higher strict pri*/
+ const u8 nig_cos_offset = 3;
+ const u8 nig_pri_offset = 3;
+
+ return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
+ nig_pri_offset, 4);
+
+}
+/******************************************************************************
+* Description:
+* Returns the correct value according to COS and priority in the
+* sp_pri_cli register for PBF.
+*
+******************************************************************************/
+static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
+{
+ const u8 pbf_cos_offset = 0;
+ const u8 pbf_pri_offset = 0;
+
+ return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
+ pbf_pri_offset, 3);
+
+}
+
+/******************************************************************************
+* Description:
+* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
+* according to sp_pri_to_cos.(which COS has higher priority)
+*
+******************************************************************************/
+static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
+ u8 *sp_pri_to_cos)
+{
+ struct bnx2x *bp = params->bp;
+ u8 i = 0;
+ const u8 port = params->port;
+ /* MCP Dbg0 and dbg1 are always with higher strict pri*/
+ u64 pri_cli_nig = 0x210;
+ u32 pri_cli_pbf = 0x0;
+ u8 pri_set = 0;
+ u8 pri_bitmask = 0;
+ const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
+ DCBX_E3B0_MAX_NUM_COS_PORT0;
+
+ u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
+
+ /* Set all the strict priority first */
+ for (i = 0; i < max_num_of_cos; i++) {
+ if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
+ if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
+ DP(NETIF_MSG_LINK,
+ "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
+ "invalid cos entry\n");
+ return -EINVAL;
+ }
+
+ pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
+ sp_pri_to_cos[i], pri_set);
+
+ pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
+ sp_pri_to_cos[i], pri_set);
+ pri_bitmask = 1 << sp_pri_to_cos[i];
+ /* COS is used remove it from bitmap.*/
+ if (!(pri_bitmask & cos_bit_to_set)) {
+ DP(NETIF_MSG_LINK,
+ "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
+ "invalid There can't be two COS's with"
+ " the same strict pri\n");
+ return -EINVAL;
+ }
+ cos_bit_to_set &= ~pri_bitmask;
+ pri_set++;
+ }
+ }
+
+ /* Set all the Non strict priority i= COS*/
+ for (i = 0; i < max_num_of_cos; i++) {
+ pri_bitmask = 1 << i;
+ /* Check if COS was already used for SP */
+ if (pri_bitmask & cos_bit_to_set) {
+ /* COS wasn't used for SP */
+ pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
+ i, pri_set);
+
+ pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
+ i, pri_set);
+ /* COS is used remove it from bitmap.*/
+ cos_bit_to_set &= ~pri_bitmask;
+ pri_set++;
+ }
+ }
+
+ if (pri_set != max_num_of_cos) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
+ "entries were set\n");
+ return -EINVAL;
+ }
+
+ if (port) {
+ /* Only 6 usable clients*/
+ REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
+ (u32)pri_cli_nig);
+
+ REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
+ } else {
+ /* Only 9 usable clients*/
+ const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
+ const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
+
+ REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
+ pri_cli_nig_lsb);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
+ pri_cli_nig_msb);
+
+ REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
+ }
+ return 0;
+}
+
+/******************************************************************************
+* Description:
+* Configure the COS to ETS according to BW and SP settings.
+******************************************************************************/
+int bnx2x_ets_e3b0_config(const struct link_params *params,
+ const struct link_vars *vars,
+ struct bnx2x_ets_params *ets_params)
+{
+ struct bnx2x *bp = params->bp;
+ int bnx2x_status = 0;
+ const u8 port = params->port;
+ u16 total_bw = 0;
+ const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
+ const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
+ u8 cos_bw_bitmap = 0;
+ u8 cos_sp_bitmap = 0;
+ u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
+ const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
+ DCBX_E3B0_MAX_NUM_COS_PORT0;
+ u8 cos_entry = 0;
+
+ if (!CHIP_IS_E3B0(bp)) {
+ DP(NETIF_MSG_LINK,
+ "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
+ return -EINVAL;
+ }
+
+ if ((ets_params->num_of_cos > max_num_of_cos)) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
+ "isn't supported\n");
+ return -EINVAL;
+ }
+
+ /* Prepare sp strict priority parameters*/
+ bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
+
+ /* Prepare BW parameters*/
+ bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
+ &total_bw);
+ if (bnx2x_status) {
+ DP(NETIF_MSG_LINK,
+ "bnx2x_ets_E3B0_config get_total_bw failed\n");
+ return -EINVAL;
+ }
+
+ /* Upper bound is set according to current link speed (min_w_val
+ * should be the same for upper bound and COS credit val).
+ */
+ bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
+ bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
+
+
+ for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
+ if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
+ cos_bw_bitmap |= (1 << cos_entry);
+ /* The function also sets the BW in HW(not the mappin
+ * yet)
+ */
+ bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
+ bp, cos_entry, min_w_val_nig, min_w_val_pbf,
+ total_bw,
+ ets_params->cos[cos_entry].params.bw_params.bw,
+ port);
+ } else if (bnx2x_cos_state_strict ==
+ ets_params->cos[cos_entry].state){
+ cos_sp_bitmap |= (1 << cos_entry);
+
+ bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
+ params,
+ sp_pri_to_cos,
+ ets_params->cos[cos_entry].params.sp_params.pri,
+ cos_entry);
+
+ } else {
+ DP(NETIF_MSG_LINK,
+ "bnx2x_ets_e3b0_config cos state not valid\n");
+ return -EINVAL;
+ }
+ if (bnx2x_status) {
+ DP(NETIF_MSG_LINK,
+ "bnx2x_ets_e3b0_config set cos bw failed\n");
+ return bnx2x_status;
+ }
+ }
+
+ /* Set SP register (which COS has higher priority) */
+ bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
+ sp_pri_to_cos);
+
+ if (bnx2x_status) {
+ DP(NETIF_MSG_LINK,
+ "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
+ return bnx2x_status;
+ }
+
+ /* Set client mapping of BW and strict */
+ bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
+ cos_sp_bitmap,
+ cos_bw_bitmap);
+
+ if (bnx2x_status) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
+ return bnx2x_status;
+ }
+ return 0;
+}
+static void bnx2x_ets_bw_limit_common(const struct link_params *params)
+{
+ /* ETS disabled configuration */
+ struct bnx2x *bp = params->bp;
+ DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
+ /* Defines which entries (clients) are subjected to WFQ arbitration
+ * COS0 0x8
+ * COS1 0x10
+ */
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
+ /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
+ * client numbers (WEIGHT_0 does not actually have to represent
+ * client 0)
+ * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
+ * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
+ */
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
+
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
+ ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
+ ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
+
+ /* ETS mode enabled*/
+ REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
+
+ /* Defines the number of consecutive slots for the strict priority */
+ REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
+ /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
+ * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
+ * entry, 4 - COS1 entry.
+ * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
+ * bit4 bit3 bit2 bit1 bit0
+ * MCP and debug are strict
+ */
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
+
+ /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
+ REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
+ ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
+ REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
+ ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
+}
+
+void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
+ const u32 cos1_bw)
+{
+ /* ETS disabled configuration*/
+ struct bnx2x *bp = params->bp;
+ const u32 total_bw = cos0_bw + cos1_bw;
+ u32 cos0_credit_weight = 0;
+ u32 cos1_credit_weight = 0;
+
+ DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
+
+ if ((!total_bw) ||
+ (!cos0_bw) ||
+ (!cos1_bw)) {
+ DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
+ return;
+ }
+
+ cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
+ total_bw;
+ cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
+ total_bw;
+
+ bnx2x_ets_bw_limit_common(params);
+
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
+
+ REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
+ REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
+}
+
+int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
+{
+ /* ETS disabled configuration*/
+ struct bnx2x *bp = params->bp;
+ u32 val = 0;
+
+ DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
+ /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
+ * as strict. Bits 0,1,2 - debug and management entries,
+ * 3 - COS0 entry, 4 - COS1 entry.
+ * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
+ * bit4 bit3 bit2 bit1 bit0
+ * MCP and debug are strict
+ */
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
+ /* For strict priority entries defines the number of consecutive slots
+ * for the highest priority.
+ */
+ REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
+ /* ETS mode disable */
+ REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
+ /* Defines the number of consecutive slots for the strict priority */
+ REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
+
+ /* Defines the number of consecutive slots for the strict priority */
+ REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
+
+ /* Mapping between entry priority to client number (0,1,2 -debug and
+ * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
+ * 3bits client num.
+ * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
+ * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
+ * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
+ */
+ val = (!strict_cos) ? 0x2318 : 0x22E0;
+ REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
+
+ return 0;
+}
+
+/******************************************************************/
+/* PFC section */
+/******************************************************************/
+static void bnx2x_update_pfc_xmac(struct link_params *params,
+ struct link_vars *vars,
+ u8 is_lb)
+{
+ struct bnx2x *bp = params->bp;
+ u32 xmac_base;
+ u32 pause_val, pfc0_val, pfc1_val;
+
+ /* XMAC base adrr */
+ xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
+
+ /* Initialize pause and pfc registers */
+ pause_val = 0x18000;
+ pfc0_val = 0xFFFF8000;
+ pfc1_val = 0x2;
+
+ /* No PFC support */
+ if (!(params->feature_config_flags &
+ FEATURE_CONFIG_PFC_ENABLED)) {
+
+ /* RX flow control - Process pause frame in receive direction
+ */
+ if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
+ pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
+
+ /* TX flow control - Send pause packet when buffer is full */
+ if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
+ pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
+ } else {/* PFC support */
+ pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
+ XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
+ XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
+ XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
+ XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
+ /* Write pause and PFC registers */
+ REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
+ REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
+ REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
+ pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
+
+ }
+
+ /* Write pause and PFC registers */
+ REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
+ REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
+ REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
+
+
+ /* Set MAC address for source TX Pause/PFC frames */
+ REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
+ ((params->mac_addr[2] << 24) |
+ (params->mac_addr[3] << 16) |
+ (params->mac_addr[4] << 8) |
+ (params->mac_addr[5])));
+ REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
+ ((params->mac_addr[0] << 8) |
+ (params->mac_addr[1])));
+
+ udelay(30);
+}
+
+/******************************************************************/
+/* MAC/PBF section */
+/******************************************************************/
+static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
+ u32 emac_base)
+{
+ u32 new_mode, cur_mode;
+ u32 clc_cnt;
+ /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
+ * (a value of 49==0x31) and make sure that the AUTO poll is off
+ */
+ cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
+
+ if (USES_WARPCORE(bp))
+ clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
+ else
+ clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
+
+ if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
+ (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
+ return;
+
+ new_mode = cur_mode &
+ ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
+ new_mode |= clc_cnt;
+ new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
+
+ DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
+ cur_mode, new_mode);
+ REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
+ udelay(40);
+}
+
+static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
+ struct link_params *params)
+{
+ u8 phy_index;
+ /* Set mdio clock per phy */
+ for (phy_index = INT_PHY; phy_index < params->num_phys;
+ phy_index++)
+ bnx2x_set_mdio_clk(bp, params->chip_id,
+ params->phy[phy_index].mdio_ctrl);
+}
+
+static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
+{
+ u32 port4mode_ovwr_val;
+ /* Check 4-port override enabled */
+ port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
+ if (port4mode_ovwr_val & (1<<0)) {
+ /* Return 4-port mode override value */
+ return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
+ }
+ /* Return 4-port mode from input pin */
+ return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
+}
+
+static void bnx2x_emac_init(struct link_params *params,
+ struct link_vars *vars)
+{
+ /* reset and unreset the emac core */
+ struct bnx2x *bp = params->bp;
+ u8 port = params->port;
+ u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
+ u32 val;
+ u16 timeout;
+
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
+ (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
+ udelay(5);
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
+ (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
+
+ /* init emac - use read-modify-write */
+ /* self clear reset */
+ val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
+ EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
+
+ timeout = 200;
+ do {
+ val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
+ DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
+ if (!timeout) {
+ DP(NETIF_MSG_LINK, "EMAC timeout!\n");
+ return;
+ }
+ timeout--;
+ } while (val & EMAC_MODE_RESET);
+
+ bnx2x_set_mdio_emac_per_phy(bp, params);
+ /* Set mac address */
+ val = ((params->mac_addr[0] << 8) |
+ params->mac_addr[1]);
+ EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
+
+ val = ((params->mac_addr[2] << 24) |
+ (params->mac_addr[3] << 16) |
+ (params->mac_addr[4] << 8) |
+ params->mac_addr[5]);
+ EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
+}
+
+static void bnx2x_set_xumac_nig(struct link_params *params,
+ u16 tx_pause_en,
+ u8 enable)
+{
+ struct bnx2x *bp = params->bp;
+
+ REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
+ enable);
+ REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
+ enable);
+ REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
+ NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
+}
+
+static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
+{
+ u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
+ u32 val;
+ struct bnx2x *bp = params->bp;
+ if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
+ (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
+ return;
+ val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
+ if (en)
+ val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
+ UMAC_COMMAND_CONFIG_REG_RX_ENA);
+ else
+ val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
+ UMAC_COMMAND_CONFIG_REG_RX_ENA);
+ /* Disable RX and TX */
+ REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
+}
+
+static void bnx2x_umac_enable(struct link_params *params,
+ struct link_vars *vars, u8 lb)
+{
+ u32 val;
+ u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
+ struct bnx2x *bp = params->bp;
+ /* Reset UMAC */
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
+ (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
+ usleep_range(1000, 2000);
+
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
+ (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
+
+ DP(NETIF_MSG_LINK, "enabling UMAC\n");
+
+ /* This register opens the gate for the UMAC despite its name */
+ REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
+
+ val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
+ UMAC_COMMAND_CONFIG_REG_PAD_EN |
+ UMAC_COMMAND_CONFIG_REG_SW_RESET |
+ UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
+ switch (vars->line_speed) {
+ case SPEED_10:
+ val |= (0<<2);
+ break;
+ case SPEED_100:
+ val |= (1<<2);
+ break;
+ case SPEED_1000:
+ val |= (2<<2);
+ break;
+ case SPEED_2500:
+ val |= (3<<2);
+ break;
+ default:
+ DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
+ vars->line_speed);
+ break;
+ }
+ if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
+ val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
+
+ if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
+ val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
+
+ if (vars->duplex == DUPLEX_HALF)
+ val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
+
+ REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
+ udelay(50);
+
+ /* Configure UMAC for EEE */
+ if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
+ DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
+ REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
+ UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
+ REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
+ } else {
+ REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
+ }
+
+ /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
+ REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
+ ((params->mac_addr[2] << 24) |
+ (params->mac_addr[3] << 16) |
+ (params->mac_addr[4] << 8) |
+ (params->mac_addr[5])));
+ REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
+ ((params->mac_addr[0] << 8) |
+ (params->mac_addr[1])));
+
+ /* Enable RX and TX */
+ val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
+ val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
+ UMAC_COMMAND_CONFIG_REG_RX_ENA;
+ REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
+ udelay(50);
+
+ /* Remove SW Reset */
+ val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
+
+ /* Check loopback mode */
+ if (lb)
+ val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
+ REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
+
+ /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
+ * length used by the MAC receive logic to check frames.
+ */
+ REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
+ bnx2x_set_xumac_nig(params,
+ ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
+ vars->mac_type = MAC_TYPE_UMAC;
+
+}
+
+/* Define the XMAC mode */
+static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
+{
+ struct bnx2x *bp = params->bp;
+ u32 is_port4mode = bnx2x_is_4_port_mode(bp);
+
+ /* In 4-port mode, need to set the mode only once, so if XMAC is
+ * already out of reset, it means the mode has already been set,
+ * and it must not* reset the XMAC again, since it controls both
+ * ports of the path
+ */
+
+ if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
+ (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
+ (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
+ is_port4mode &&
+ (REG_RD(bp, MISC_REG_RESET_REG_2) &
+ MISC_REGISTERS_RESET_REG_2_XMAC)) {
+ DP(NETIF_MSG_LINK,
+ "XMAC already out of reset in 4-port mode\n");
+ return;
+ }
+
+ /* Hard reset */
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
+ MISC_REGISTERS_RESET_REG_2_XMAC);
+ usleep_range(1000, 2000);
+
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
+ MISC_REGISTERS_RESET_REG_2_XMAC);
+ if (is_port4mode) {
+ DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
+
+ /* Set the number of ports on the system side to up to 2 */
+ REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
+
+ /* Set the number of ports on the Warp Core to 10G */
+ REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
+ } else {
+ /* Set the number of ports on the system side to 1 */
+ REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
+ if (max_speed == SPEED_10000) {
+ DP(NETIF_MSG_LINK,
+ "Init XMAC to 10G x 1 port per path\n");
+ /* Set the number of ports on the Warp Core to 10G */
+ REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
+ } else {
+ DP(NETIF_MSG_LINK,
+ "Init XMAC to 20G x 2 ports per path\n");
+ /* Set the number of ports on the Warp Core to 20G */
+ REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
+ }
+ }
+ /* Soft reset */
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
+ MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
+ usleep_range(1000, 2000);
+
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
+ MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
+
+}
+
+static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
+{
+ u8 port = params->port;
+ struct bnx2x *bp = params->bp;
+ u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
+ u32 val;
+
+ if (REG_RD(bp, MISC_REG_RESET_REG_2) &
+ MISC_REGISTERS_RESET_REG_2_XMAC) {
+ /* Send an indication to change the state in the NIG back to XON
+ * Clearing this bit enables the next set of this bit to get
+ * rising edge
+ */
+ pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
+ REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
+ (pfc_ctrl & ~(1<<1)));
+ REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
+ (pfc_ctrl | (1<<1)));
+ DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
+ val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
+ if (en)
+ val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
+ else
+ val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
+ REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
+ }
+}
+
+static int bnx2x_xmac_enable(struct link_params *params,
+ struct link_vars *vars, u8 lb)
+{
+ u32 val, xmac_base;
+ struct bnx2x *bp = params->bp;
+ DP(NETIF_MSG_LINK, "enabling XMAC\n");
+
+ xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
+
+ bnx2x_xmac_init(params, vars->line_speed);
+
+ /* This register determines on which events the MAC will assert
+ * error on the i/f to the NIG along w/ EOP.
+ */
+
+ /* This register tells the NIG whether to send traffic to UMAC
+ * or XMAC
+ */
+ REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
+
+ /* When XMAC is in XLGMII mode, disable sending idles for fault
+ * detection.
+ */
+ if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
+ REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
+ (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
+ XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
+ REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
+ REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
+ XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
+ XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
+ }
+ /* Set Max packet size */
+ REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
+
+ /* CRC append for Tx packets */
+ REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
+
+ /* update PFC */
+ bnx2x_update_pfc_xmac(params, vars, 0);
+
+ if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
+ DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
+ REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
+ REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
+ } else {
+ REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
+ }
+
+ /* Enable TX and RX */
+ val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
+
+ /* Set MAC in XLGMII mode for dual-mode */
+ if ((vars->line_speed == SPEED_20000) &&
+ (params->phy[INT_PHY].supported &
+ SUPPORTED_20000baseKR2_Full))
+ val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
+
+ /* Check loopback mode */
+ if (lb)
+ val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
+ REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
+ bnx2x_set_xumac_nig(params,
+ ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
+
+ vars->mac_type = MAC_TYPE_XMAC;
+
+ return 0;
+}
+
+static int bnx2x_emac_enable(struct link_params *params,
+ struct link_vars *vars, u8 lb)
+{
+ struct bnx2x *bp = params->bp;
+ u8 port = params->port;
+ u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
+ u32 val;
+
+ DP(NETIF_MSG_LINK, "enabling EMAC\n");
+
+ /* Disable BMAC */
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
+ (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
+
+ /* enable emac and not bmac */
+ REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
+
+ /* ASIC */
+ if (vars->phy_flags & PHY_XGXS_FLAG) {
+ u32 ser_lane = ((params->lane_config &
+ PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
+ PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
+
+ DP(NETIF_MSG_LINK, "XGXS\n");
+ /* select the master lanes (out of 0-3) */
+ REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
+ /* select XGXS */
+ REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
+
+ } else { /* SerDes */
+ DP(NETIF_MSG_LINK, "SerDes\n");
+ /* select SerDes */
+ REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
+ }
+
+ bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
+ EMAC_RX_MODE_RESET);
+ bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
+ EMAC_TX_MODE_RESET);
+
+ /* pause enable/disable */
+ bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
+ EMAC_RX_MODE_FLOW_EN);
+
+ bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
+ (EMAC_TX_MODE_EXT_PAUSE_EN |
+ EMAC_TX_MODE_FLOW_EN));
+ if (!(params->feature_config_flags &
+ FEATURE_CONFIG_PFC_ENABLED)) {
+ if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
+ bnx2x_bits_en(bp, emac_base +
+ EMAC_REG_EMAC_RX_MODE,
+ EMAC_RX_MODE_FLOW_EN);
+
+ if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
+ bnx2x_bits_en(bp, emac_base +
+ EMAC_REG_EMAC_TX_MODE,
+ (EMAC_TX_MODE_EXT_PAUSE_EN |
+ EMAC_TX_MODE_FLOW_EN));
+ } else
+ bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
+ EMAC_TX_MODE_FLOW_EN);
+
+ /* KEEP_VLAN_TAG, promiscuous */
+ val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
+ val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
+
+ /* Setting this bit causes MAC control frames (except for pause
+ * frames) to be passed on for processing. This setting has no
+ * affect on the operation of the pause frames. This bit effects
+ * all packets regardless of RX Parser packet sorting logic.
+ * Turn the PFC off to make sure we are in Xon state before
+ * enabling it.
+ */
+ EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
+ if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
+ DP(NETIF_MSG_LINK, "PFC is enabled\n");
+ /* Enable PFC again */
+ EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
+ EMAC_REG_RX_PFC_MODE_RX_EN |
+ EMAC_REG_RX_PFC_MODE_TX_EN |
+ EMAC_REG_RX_PFC_MODE_PRIORITIES);
+
+ EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
+ ((0x0101 <<
+ EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
+ (0x00ff <<
+ EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
+ val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
+ }
+ EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
+
+ /* Set Loopback */
+ val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
+ if (lb)
+ val |= 0x810;
+ else
+ val &= ~0x810;
+ EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
+
+ /* Enable emac */
+ REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
+
+ /* Enable emac for jumbo packets */
+ EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
+ (EMAC_RX_MTU_SIZE_JUMBO_ENA |
+ (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
+
+ /* Strip CRC */
+ REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
+
+ /* Disable the NIG in/out to the bmac */
+ REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
+ REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
+ REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
+
+ /* Enable the NIG in/out to the emac */
+ REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
+ val = 0;
+ if ((params->feature_config_flags &
+ FEATURE_CONFIG_PFC_ENABLED) ||
+ (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
+ val = 1;
+
+ REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
+ REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
+
+ REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
+
+ vars->mac_type = MAC_TYPE_EMAC;
+ return 0;
+}
+
+static void bnx2x_update_pfc_bmac1(struct link_params *params,
+ struct link_vars *vars)
+{
+ u32 wb_data[2];
+ struct bnx2x *bp = params->bp;
+ u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
+ NIG_REG_INGRESS_BMAC0_MEM;
+
+ u32 val = 0x14;
+ if ((!(params->feature_config_flags &
+ FEATURE_CONFIG_PFC_ENABLED)) &&
+ (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
+ /* Enable BigMAC to react on received Pause packets */
+ val |= (1<<5);
+ wb_data[0] = val;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
+
+ /* TX control */
+ val = 0xc0;
+ if (!(params->feature_config_flags &
+ FEATURE_CONFIG_PFC_ENABLED) &&
+ (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
+ val |= 0x800000;
+ wb_data[0] = val;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
+}
+
+static void bnx2x_update_pfc_bmac2(struct link_params *params,
+ struct link_vars *vars,
+ u8 is_lb)
+{
+ /* Set rx control: Strip CRC and enable BigMAC to relay
+ * control packets to the system as well
+ */
+ u32 wb_data[2];
+ struct bnx2x *bp = params->bp;
+ u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
+ NIG_REG_INGRESS_BMAC0_MEM;
+ u32 val = 0x14;
+
+ if ((!(params->feature_config_flags &
+ FEATURE_CONFIG_PFC_ENABLED)) &&
+ (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
+ /* Enable BigMAC to react on received Pause packets */
+ val |= (1<<5);
+ wb_data[0] = val;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
+ udelay(30);
+
+ /* Tx control */
+ val = 0xc0;
+ if (!(params->feature_config_flags &
+ FEATURE_CONFIG_PFC_ENABLED) &&
+ (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
+ val |= 0x800000;
+ wb_data[0] = val;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
+
+ if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
+ DP(NETIF_MSG_LINK, "PFC is enabled\n");
+ /* Enable PFC RX & TX & STATS and set 8 COS */
+ wb_data[0] = 0x0;
+ wb_data[0] |= (1<<0); /* RX */
+ wb_data[0] |= (1<<1); /* TX */
+ wb_data[0] |= (1<<2); /* Force initial Xon */
+ wb_data[0] |= (1<<3); /* 8 cos */
+ wb_data[0] |= (1<<5); /* STATS */
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
+ wb_data, 2);
+ /* Clear the force Xon */
+ wb_data[0] &= ~(1<<2);
+ } else {
+ DP(NETIF_MSG_LINK, "PFC is disabled\n");
+ /* Disable PFC RX & TX & STATS and set 8 COS */
+ wb_data[0] = 0x8;
+ wb_data[1] = 0;
+ }
+
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
+
+ /* Set Time (based unit is 512 bit time) between automatic
+ * re-sending of PP packets amd enable automatic re-send of
+ * Per-Priroity Packet as long as pp_gen is asserted and
+ * pp_disable is low.
+ */
+ val = 0x8000;
+ if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
+ val |= (1<<16); /* enable automatic re-send */
+
+ wb_data[0] = val;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
+ wb_data, 2);
+
+ /* mac control */
+ val = 0x3; /* Enable RX and TX */
+ if (is_lb) {
+ val |= 0x4; /* Local loopback */
+ DP(NETIF_MSG_LINK, "enable bmac loopback\n");
+ }
+ /* When PFC enabled, Pass pause frames towards the NIG. */
+ if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
+ val |= ((1<<6)|(1<<5));
+
+ wb_data[0] = val;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
+}
+
+/******************************************************************************
+* Description:
+* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
+* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
+******************************************************************************/
+static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
+ u8 cos_entry,
+ u32 priority_mask, u8 port)
+{
+ u32 nig_reg_rx_priority_mask_add = 0;
+
+ switch (cos_entry) {
+ case 0:
+ nig_reg_rx_priority_mask_add = (port) ?
+ NIG_REG_P1_RX_COS0_PRIORITY_MASK :
+ NIG_REG_P0_RX_COS0_PRIORITY_MASK;
+ break;
+ case 1:
+ nig_reg_rx_priority_mask_add = (port) ?
+ NIG_REG_P1_RX_COS1_PRIORITY_MASK :
+ NIG_REG_P0_RX_COS1_PRIORITY_MASK;
+ break;
+ case 2:
+ nig_reg_rx_priority_mask_add = (port) ?
+ NIG_REG_P1_RX_COS2_PRIORITY_MASK :
+ NIG_REG_P0_RX_COS2_PRIORITY_MASK;
+ break;
+ case 3:
+ if (port)
+ return -EINVAL;
+ nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
+ break;
+ case 4:
+ if (port)
+ return -EINVAL;
+ nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
+ break;
+ case 5:
+ if (port)
+ return -EINVAL;
+ nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
+ break;
+ }
+
+ REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
+
+ return 0;
+}
+static void bnx2x_update_mng(struct link_params *params, u32 link_status)
+{
+ struct bnx2x *bp = params->bp;
+
+ REG_WR(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ port_mb[params->port].link_status), link_status);
+}
+
+static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
+{
+ struct bnx2x *bp = params->bp;
+
+ if (SHMEM2_HAS(bp, link_attr_sync))
+ REG_WR(bp, params->shmem2_base +
+ offsetof(struct shmem2_region,
+ link_attr_sync[params->port]), link_attr);
+}
+
+static void bnx2x_update_pfc_nig(struct link_params *params,
+ struct link_vars *vars,
+ struct bnx2x_nig_brb_pfc_port_params *nig_params)
+{
+ u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
+ u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
+ u32 pkt_priority_to_cos = 0;
+ struct bnx2x *bp = params->bp;
+ u8 port = params->port;
+
+ int set_pfc = params->feature_config_flags &
+ FEATURE_CONFIG_PFC_ENABLED;
+ DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
+
+ /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
+ * MAC control frames (that are not pause packets)
+ * will be forwarded to the XCM.
+ */
+ xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
+ NIG_REG_LLH0_XCM_MASK);
+ /* NIG params will override non PFC params, since it's possible to
+ * do transition from PFC to SAFC
+ */
+ if (set_pfc) {
+ pause_enable = 0;
+ llfc_out_en = 0;
+ llfc_enable = 0;
+ if (CHIP_IS_E3(bp))
+ ppp_enable = 0;
+ else
+ ppp_enable = 1;
+ xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
+ NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
+ xcm_out_en = 0;
+ hwpfc_enable = 1;
+ } else {
+ if (nig_params) {
+ llfc_out_en = nig_params->llfc_out_en;
+ llfc_enable = nig_params->llfc_enable;
+ pause_enable = nig_params->pause_enable;
+ } else /* Default non PFC mode - PAUSE */
+ pause_enable = 1;
+
+ xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
+ NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
+ xcm_out_en = 1;
+ }
+
+ if (CHIP_IS_E3(bp))
+ REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
+ NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
+ REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
+ NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
+ REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
+ NIG_REG_LLFC_ENABLE_0, llfc_enable);
+ REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
+ NIG_REG_PAUSE_ENABLE_0, pause_enable);
+
+ REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
+ NIG_REG_PPP_ENABLE_0, ppp_enable);
+
+ REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
+ NIG_REG_LLH0_XCM_MASK, xcm_mask);
+
+ REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
+ NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
+
+ /* Output enable for RX_XCM # IF */
+ REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
+ NIG_REG_XCM0_OUT_EN, xcm_out_en);
+
+ /* HW PFC TX enable */
+ REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
+ NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
+
+ if (nig_params) {
+ u8 i = 0;
+ pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
+
+ for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
+ bnx2x_pfc_nig_rx_priority_mask(bp, i,
+ nig_params->rx_cos_priority_mask[i], port);
+
+ REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
+ NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
+ nig_params->llfc_high_priority_classes);
+
+ REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
+ NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
+ nig_params->llfc_low_priority_classes);
+ }
+ REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
+ NIG_REG_P0_PKT_PRIORITY_TO_COS,
+ pkt_priority_to_cos);
+}
+
+int bnx2x_update_pfc(struct link_params *params,
+ struct link_vars *vars,
+ struct bnx2x_nig_brb_pfc_port_params *pfc_params)
+{
+ /* The PFC and pause are orthogonal to one another, meaning when
+ * PFC is enabled, the pause are disabled, and when PFC is
+ * disabled, pause are set according to the pause result.
+ */
+ u32 val;
+ struct bnx2x *bp = params->bp;
+ u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
+
+ if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
+ vars->link_status |= LINK_STATUS_PFC_ENABLED;
+ else
+ vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
+
+ bnx2x_update_mng(params, vars->link_status);
+
+ /* Update NIG params */
+ bnx2x_update_pfc_nig(params, vars, pfc_params);
+
+ if (!vars->link_up)
+ return 0;
+
+ DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
+
+ if (CHIP_IS_E3(bp)) {
+ if (vars->mac_type == MAC_TYPE_XMAC)
+ bnx2x_update_pfc_xmac(params, vars, 0);
+ } else {
+ val = REG_RD(bp, MISC_REG_RESET_REG_2);
+ if ((val &
+ (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
+ == 0) {
+ DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
+ bnx2x_emac_enable(params, vars, 0);
+ return 0;
+ }
+ if (CHIP_IS_E2(bp))
+ bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
+ else
+ bnx2x_update_pfc_bmac1(params, vars);
+
+ val = 0;
+ if ((params->feature_config_flags &
+ FEATURE_CONFIG_PFC_ENABLED) ||
+ (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
+ val = 1;
+ REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
+ }
+ return 0;
+}
+
+static int bnx2x_bmac1_enable(struct link_params *params,
+ struct link_vars *vars,
+ u8 is_lb)
+{
+ struct bnx2x *bp = params->bp;
+ u8 port = params->port;
+ u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
+ NIG_REG_INGRESS_BMAC0_MEM;
+ u32 wb_data[2];
+ u32 val;
+
+ DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
+
+ /* XGXS control */
+ wb_data[0] = 0x3c;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
+ wb_data, 2);
+
+ /* TX MAC SA */
+ wb_data[0] = ((params->mac_addr[2] << 24) |
+ (params->mac_addr[3] << 16) |
+ (params->mac_addr[4] << 8) |
+ params->mac_addr[5]);
+ wb_data[1] = ((params->mac_addr[0] << 8) |
+ params->mac_addr[1]);
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
+
+ /* MAC control */
+ val = 0x3;
+ if (is_lb) {
+ val |= 0x4;
+ DP(NETIF_MSG_LINK, "enable bmac loopback\n");
+ }
+ wb_data[0] = val;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
+
+ /* Set rx mtu */
+ wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
+
+ bnx2x_update_pfc_bmac1(params, vars);
+
+ /* Set tx mtu */
+ wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
+
+ /* Set cnt max size */
+ wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
+
+ /* Configure SAFC */
+ wb_data[0] = 0x1000200;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
+ wb_data, 2);
+
+ return 0;
+}
+
+static int bnx2x_bmac2_enable(struct link_params *params,
+ struct link_vars *vars,
+ u8 is_lb)
+{
+ struct bnx2x *bp = params->bp;
+ u8 port = params->port;
+ u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
+ NIG_REG_INGRESS_BMAC0_MEM;
+ u32 wb_data[2];
+
+ DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
+
+ wb_data[0] = 0;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
+ udelay(30);
+
+ /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
+ wb_data[0] = 0x3c;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
+ wb_data, 2);
+
+ udelay(30);
+
+ /* TX MAC SA */
+ wb_data[0] = ((params->mac_addr[2] << 24) |
+ (params->mac_addr[3] << 16) |
+ (params->mac_addr[4] << 8) |
+ params->mac_addr[5]);
+ wb_data[1] = ((params->mac_addr[0] << 8) |
+ params->mac_addr[1]);
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
+ wb_data, 2);
+
+ udelay(30);
+
+ /* Configure SAFC */
+ wb_data[0] = 0x1000200;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
+ wb_data, 2);
+ udelay(30);
+
+ /* Set RX MTU */
+ wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
+ udelay(30);
+
+ /* Set TX MTU */
+ wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
+ udelay(30);
+ /* Set cnt max size */
+ wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
+ wb_data[1] = 0;
+ REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
+ udelay(30);
+ bnx2x_update_pfc_bmac2(params, vars, is_lb);
+
+ return 0;
+}
+
+static int bnx2x_bmac_enable(struct link_params *params,
+ struct link_vars *vars,
+ u8 is_lb, u8 reset_bmac)
+{
+ int rc = 0;
+ u8 port = params->port;
+ struct bnx2x *bp = params->bp;
+ u32 val;
+ /* Reset and unreset the BigMac */
+ if (reset_bmac) {
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
+ (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
+ usleep_range(1000, 2000);
+ }
+
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
+ (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
+
+ /* Enable access for bmac registers */
+ REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
+
+ /* Enable BMAC according to BMAC type*/
+ if (CHIP_IS_E2(bp))
+ rc = bnx2x_bmac2_enable(params, vars, is_lb);
+ else
+ rc = bnx2x_bmac1_enable(params, vars, is_lb);
+ REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
+ REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
+ REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
+ val = 0;
+ if ((params->feature_config_flags &
+ FEATURE_CONFIG_PFC_ENABLED) ||
+ (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
+ val = 1;
+ REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
+ REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
+ REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
+ REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
+ REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
+ REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
+
+ vars->mac_type = MAC_TYPE_BMAC;
+ return rc;
+}
+
+static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
+{
+ u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
+ NIG_REG_INGRESS_BMAC0_MEM;
+ u32 wb_data[2];
+ u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
+
+ if (CHIP_IS_E2(bp))
+ bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
+ else
+ bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
+ /* Only if the bmac is out of reset */
+ if (REG_RD(bp, MISC_REG_RESET_REG_2) &
+ (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
+ nig_bmac_enable) {
+ /* Clear Rx Enable bit in BMAC_CONTROL register */
+ REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
+ if (en)
+ wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
+ else
+ wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
+ REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
+ usleep_range(1000, 2000);
+ }
+}
+
+static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
+ u32 line_speed)
+{
+ struct bnx2x *bp = params->bp;
+ u8 port = params->port;
+ u32 init_crd, crd;
+ u32 count = 1000;
+
+ /* Disable port */
+ REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
+
+ /* Wait for init credit */
+ init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
+ crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
+ DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
+
+ while ((init_crd != crd) && count) {
+ usleep_range(5000, 10000);
+ crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
+ count--;
+ }
+ crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
+ if (init_crd != crd) {
+ DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
+ init_crd, crd);
+ return -EINVAL;
+ }
+
+ if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
+ line_speed == SPEED_10 ||
+ line_speed == SPEED_100 ||
+ line_speed == SPEED_1000 ||
+ line_speed == SPEED_2500) {
+ REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
+ /* Update threshold */
+ REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
+ /* Update init credit */
+ init_crd = 778; /* (800-18-4) */
+
+ } else {
+ u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
+ ETH_OVREHEAD)/16;
+ REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
+ /* Update threshold */
+ REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
+ /* Update init credit */
+ switch (line_speed) {
+ case SPEED_10000:
+ init_crd = thresh + 553 - 22;
+ break;
+ default:
+ DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
+ line_speed);
+ return -EINVAL;
+ }
+ }
+ REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
+ DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
+ line_speed, init_crd);
+
+ /* Probe the credit changes */
+ REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
+ usleep_range(5000, 10000);
+ REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
+
+ /* Enable port */
+ REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
+ return 0;
+}
+
+/**
+ * bnx2x_get_emac_base - retrive emac base address
+ *
+ * @bp: driver handle
+ * @mdc_mdio_access: access type
+ * @port: port id
+ *
+ * This function selects the MDC/MDIO access (through emac0 or
+ * emac1) depend on the mdc_mdio_access, port, port swapped. Each
+ * phy has a default access mode, which could also be overridden
+ * by nvram configuration. This parameter, whether this is the
+ * default phy configuration, or the nvram overrun
+ * configuration, is passed here as mdc_mdio_access and selects
+ * the emac_base for the CL45 read/writes operations
+ */
+static u32 bnx2x_get_emac_base(struct bnx2x *bp,
+ u32 mdc_mdio_access, u8 port)
+{
+ u32 emac_base = 0;
+ switch (mdc_mdio_access) {
+ case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
+ break;
+ case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
+ if (REG_RD(bp, NIG_REG_PORT_SWAP))
+ emac_base = GRCBASE_EMAC1;
+ else
+ emac_base = GRCBASE_EMAC0;
+ break;
+ case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
+ if (REG_RD(bp, NIG_REG_PORT_SWAP))
+ emac_base = GRCBASE_EMAC0;
+ else
+ emac_base = GRCBASE_EMAC1;
+ break;
+ case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
+ emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
+ break;
+ case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
+ emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
+ break;
+ default:
+ break;
+ }
+ return emac_base;
+
+}
+
+/******************************************************************/
+/* CL22 access functions */
+/******************************************************************/
+static int bnx2x_cl22_write(struct bnx2x *bp,
+ struct bnx2x_phy *phy,
+ u16 reg, u16 val)
+{
+ u32 tmp, mode;
+ u8 i;
+ int rc = 0;
+ /* Switch to CL22 */
+ mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
+ REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
+ mode & ~EMAC_MDIO_MODE_CLAUSE_45);
+
+ /* Address */
+ tmp = ((phy->addr << 21) | (reg << 16) | val |
+ EMAC_MDIO_COMM_COMMAND_WRITE_22 |
+ EMAC_MDIO_COMM_START_BUSY);
+ REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
+
+ for (i = 0; i < 50; i++) {
+ udelay(10);
+
+ tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
+ if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
+ udelay(5);
+ break;
+ }
+ }
+ if (tmp & EMAC_MDIO_COMM_START_BUSY) {
+ DP(NETIF_MSG_LINK, "write phy register failed\n");
+ rc = -EFAULT;
+ }
+ REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
+ return rc;
+}
+
+static int bnx2x_cl22_read(struct bnx2x *bp,
+ struct bnx2x_phy *phy,
+ u16 reg, u16 *ret_val)
+{
+ u32 val, mode;
+ u16 i;
+ int rc = 0;
+
+ /* Switch to CL22 */
+ mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
+ REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
+ mode & ~EMAC_MDIO_MODE_CLAUSE_45);
+
+ /* Address */
+ val = ((phy->addr << 21) | (reg << 16) |
+ EMAC_MDIO_COMM_COMMAND_READ_22 |
+ EMAC_MDIO_COMM_START_BUSY);
+ REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
+
+ for (i = 0; i < 50; i++) {
+ udelay(10);
+
+ val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
+ if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
+ *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
+ udelay(5);
+ break;
+ }
+ }
+ if (val & EMAC_MDIO_COMM_START_BUSY) {
+ DP(NETIF_MSG_LINK, "read phy register failed\n");
+
+ *ret_val = 0;
+ rc = -EFAULT;
+ }
+ REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
+ return rc;
+}
+
+/******************************************************************/
+/* CL45 access functions */
+/******************************************************************/
+static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
+ u8 devad, u16 reg, u16 *ret_val)
+{
+ u32 val;
+ u16 i;
+ int rc = 0;
+ u32 chip_id;
+ if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
+ chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
+ ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
+ bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
+ }
+
+ if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
+ bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
+ EMAC_MDIO_STATUS_10MB);
+ /* Address */
+ val = ((phy->addr << 21) | (devad << 16) | reg |
+ EMAC_MDIO_COMM_COMMAND_ADDRESS |
+ EMAC_MDIO_COMM_START_BUSY);
+ REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
+
+ for (i = 0; i < 50; i++) {
+ udelay(10);
+
+ val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
+ if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
+ udelay(5);
+ break;
+ }
+ }
+ if (val & EMAC_MDIO_COMM_START_BUSY) {
+ DP(NETIF_MSG_LINK, "read phy register failed\n");
+ netdev_err(bp->dev, "MDC/MDIO access timeout\n");
+ *ret_val = 0;
+ rc = -EFAULT;
+ } else {
+ /* Data */
+ val = ((phy->addr << 21) | (devad << 16) |
+ EMAC_MDIO_COMM_COMMAND_READ_45 |
+ EMAC_MDIO_COMM_START_BUSY);
+ REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
+
+ for (i = 0; i < 50; i++) {
+ udelay(10);
+
+ val = REG_RD(bp, phy->mdio_ctrl +
+ EMAC_REG_EMAC_MDIO_COMM);
+ if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
+ *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
+ break;
+ }
+ }
+ if (val & EMAC_MDIO_COMM_START_BUSY) {
+ DP(NETIF_MSG_LINK, "read phy register failed\n");
+ netdev_err(bp->dev, "MDC/MDIO access timeout\n");
+ *ret_val = 0;
+ rc = -EFAULT;
+ }
+ }
+ /* Work around for E3 A0 */
+ if (phy->flags & FLAGS_MDC_MDIO_WA) {
+ phy->flags ^= FLAGS_DUMMY_READ;
+ if (phy->flags & FLAGS_DUMMY_READ) {
+ u16 temp_val;
+ bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
+ }
+ }
+
+ if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
+ bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
+ EMAC_MDIO_STATUS_10MB);
+ return rc;
+}
+
+static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
+ u8 devad, u16 reg, u16 val)
+{
+ u32 tmp;
+ u8 i;
+ int rc = 0;
+ u32 chip_id;
+ if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
+ chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
+ ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
+ bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
+ }
+
+ if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
+ bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
+ EMAC_MDIO_STATUS_10MB);
+
+ /* Address */
+ tmp = ((phy->addr << 21) | (devad << 16) | reg |
+ EMAC_MDIO_COMM_COMMAND_ADDRESS |
+ EMAC_MDIO_COMM_START_BUSY);
+ REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
+
+ for (i = 0; i < 50; i++) {
+ udelay(10);
+
+ tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
+ if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
+ udelay(5);
+ break;
+ }
+ }
+ if (tmp & EMAC_MDIO_COMM_START_BUSY) {
+ DP(NETIF_MSG_LINK, "write phy register failed\n");
+ netdev_err(bp->dev, "MDC/MDIO access timeout\n");
+ rc = -EFAULT;
+ } else {
+ /* Data */
+ tmp = ((phy->addr << 21) | (devad << 16) | val |
+ EMAC_MDIO_COMM_COMMAND_WRITE_45 |
+ EMAC_MDIO_COMM_START_BUSY);
+ REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
+
+ for (i = 0; i < 50; i++) {
+ udelay(10);
+
+ tmp = REG_RD(bp, phy->mdio_ctrl +
+ EMAC_REG_EMAC_MDIO_COMM);
+ if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
+ udelay(5);
+ break;
+ }
+ }
+ if (tmp & EMAC_MDIO_COMM_START_BUSY) {
+ DP(NETIF_MSG_LINK, "write phy register failed\n");
+ netdev_err(bp->dev, "MDC/MDIO access timeout\n");
+ rc = -EFAULT;
+ }
+ }
+ /* Work around for E3 A0 */
+ if (phy->flags & FLAGS_MDC_MDIO_WA) {
+ phy->flags ^= FLAGS_DUMMY_READ;
+ if (phy->flags & FLAGS_DUMMY_READ) {
+ u16 temp_val;
+ bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
+ }
+ }
+ if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
+ bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
+ EMAC_MDIO_STATUS_10MB);
+ return rc;
+}
+
+/******************************************************************/
+/* EEE section */
+/******************************************************************/
+static u8 bnx2x_eee_has_cap(struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+
+ if (REG_RD(bp, params->shmem2_base) <=
+ offsetof(struct shmem2_region, eee_status[params->port]))
+ return 0;
+
+ return 1;
+}
+
+static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
+{
+ switch (nvram_mode) {
+ case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
+ *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
+ break;
+ case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
+ *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
+ break;
+ case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
+ *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
+ break;
+ default:
+ *idle_timer = 0;
+ break;
+ }
+
+ return 0;
+}
+
+static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
+{
+ switch (idle_timer) {
+ case EEE_MODE_NVRAM_BALANCED_TIME:
+ *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
+ break;
+ case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
+ *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
+ break;
+ case EEE_MODE_NVRAM_LATENCY_TIME:
+ *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
+ break;
+ default:
+ *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
+ break;
+ }
+
+ return 0;
+}
+
+static u32 bnx2x_eee_calc_timer(struct link_params *params)
+{
+ u32 eee_mode, eee_idle;
+ struct bnx2x *bp = params->bp;
+
+ if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
+ if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
+ /* time value in eee_mode --> used directly*/
+ eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
+ } else {
+ /* hsi value in eee_mode --> time */
+ if (bnx2x_eee_nvram_to_time(params->eee_mode &
+ EEE_MODE_NVRAM_MASK,
+ &eee_idle))
+ return 0;
+ }
+ } else {
+ /* hsi values in nvram --> time*/
+ eee_mode = ((REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region, dev_info.
+ port_feature_config[params->port].
+ eee_power_mode)) &
+ PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
+ PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
+
+ if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
+ return 0;
+ }
+
+ return eee_idle;
+}
+
+static int bnx2x_eee_set_timers(struct link_params *params,
+ struct link_vars *vars)
+{
+ u32 eee_idle = 0, eee_mode;
+ struct bnx2x *bp = params->bp;
+
+ eee_idle = bnx2x_eee_calc_timer(params);
+
+ if (eee_idle) {
+ REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
+ eee_idle);
+ } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
+ (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
+ (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
+ DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
+ return -EINVAL;
+ }
+
+ vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
+ if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
+ /* eee_idle in 1u --> eee_status in 16u */
+ eee_idle >>= 4;
+ vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
+ SHMEM_EEE_TIME_OUTPUT_BIT;
+ } else {
+ if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
+ return -EINVAL;
+ vars->eee_status |= eee_mode;
+ }
+
+ return 0;
+}
+
+static int bnx2x_eee_initial_config(struct link_params *params,
+ struct link_vars *vars, u8 mode)
+{
+ vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
+
+ /* Propagate params' bits --> vars (for migration exposure) */
+ if (params->eee_mode & EEE_MODE_ENABLE_LPI)
+ vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
+ else
+ vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
+
+ if (params->eee_mode & EEE_MODE_ADV_LPI)
+ vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
+ else
+ vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
+
+ return bnx2x_eee_set_timers(params, vars);
+}
+
+static int bnx2x_eee_disable(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+
+ /* Make Certain LPI is disabled */
+ REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
+
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
+
+ vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
+
+ return 0;
+}
+
+static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars, u8 modes)
+{
+ struct bnx2x *bp = params->bp;
+ u16 val = 0;
+
+ /* Mask events preventing LPI generation */
+ REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
+
+ if (modes & SHMEM_EEE_10G_ADV) {
+ DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
+ val |= 0x8;
+ }
+ if (modes & SHMEM_EEE_1G_ADV) {
+ DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
+ val |= 0x4;
+ }
+
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
+
+ vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
+ vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
+
+ return 0;
+}
+
+static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
+{
+ struct bnx2x *bp = params->bp;
+
+ if (bnx2x_eee_has_cap(params))
+ REG_WR(bp, params->shmem2_base +
+ offsetof(struct shmem2_region,
+ eee_status[params->port]), eee_status);
+}
+
+static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u16 adv = 0, lp = 0;
+ u32 lp_adv = 0;
+ u8 neg = 0;
+
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
+
+ if (lp & 0x2) {
+ lp_adv |= SHMEM_EEE_100M_ADV;
+ if (adv & 0x2) {
+ if (vars->line_speed == SPEED_100)
+ neg = 1;
+ DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
+ }
+ }
+ if (lp & 0x14) {
+ lp_adv |= SHMEM_EEE_1G_ADV;
+ if (adv & 0x14) {
+ if (vars->line_speed == SPEED_1000)
+ neg = 1;
+ DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
+ }
+ }
+ if (lp & 0x68) {
+ lp_adv |= SHMEM_EEE_10G_ADV;
+ if (adv & 0x68) {
+ if (vars->line_speed == SPEED_10000)
+ neg = 1;
+ DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
+ }
+ }
+
+ vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
+ vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
+
+ if (neg) {
+ DP(NETIF_MSG_LINK, "EEE is active\n");
+ vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
+ }
+
+}
+
+/******************************************************************/
+/* BSC access functions from E3 */
+/******************************************************************/
+static void bnx2x_bsc_module_sel(struct link_params *params)
+{
+ int idx;
+ u32 board_cfg, sfp_ctrl;
+ u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
+ struct bnx2x *bp = params->bp;
+ u8 port = params->port;
+ /* Read I2C output PINs */
+ board_cfg = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.shared_hw_config.board));
+ i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
+ i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
+ SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
+
+ /* Read I2C output value */
+ sfp_ctrl = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].e3_cmn_pin_cfg));
+ i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
+ i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
+ DP(NETIF_MSG_LINK, "Setting BSC switch\n");
+ for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
+ bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
+}
+
+static int bnx2x_bsc_read(struct link_params *params,
+ struct bnx2x *bp,
+ u8 sl_devid,
+ u16 sl_addr,
+ u8 lc_addr,
+ u8 xfer_cnt,
+ u32 *data_array)
+{
+ u32 val, i;
+ int rc = 0;
+
+ if (xfer_cnt > 16) {
+ DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
+ xfer_cnt);
+ return -EINVAL;
+ }
+ bnx2x_bsc_module_sel(params);
+
+ xfer_cnt = 16 - lc_addr;
+
+ /* Enable the engine */
+ val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
+ val |= MCPR_IMC_COMMAND_ENABLE;
+ REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
+
+ /* Program slave device ID */
+ val = (sl_devid << 16) | sl_addr;
+ REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
+
+ /* Start xfer with 0 byte to update the address pointer ???*/
+ val = (MCPR_IMC_COMMAND_ENABLE) |
+ (MCPR_IMC_COMMAND_WRITE_OP <<
+ MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
+ (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
+ REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
+
+ /* Poll for completion */
+ i = 0;
+ val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
+ while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
+ udelay(10);
+ val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
+ if (i++ > 1000) {
+ DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
+ i);
+ rc = -EFAULT;
+ break;
+ }
+ }
+ if (rc == -EFAULT)
+ return rc;
+
+ /* Start xfer with read op */
+ val = (MCPR_IMC_COMMAND_ENABLE) |
+ (MCPR_IMC_COMMAND_READ_OP <<
+ MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
+ (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
+ (xfer_cnt);
+ REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
+
+ /* Poll for completion */
+ i = 0;
+ val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
+ while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
+ udelay(10);
+ val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
+ if (i++ > 1000) {
+ DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
+ rc = -EFAULT;
+ break;
+ }
+ }
+ if (rc == -EFAULT)
+ return rc;
+
+ for (i = (lc_addr >> 2); i < 4; i++) {
+ data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
+#ifdef __BIG_ENDIAN
+ data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
+ ((data_array[i] & 0x0000ff00) << 8) |
+ ((data_array[i] & 0x00ff0000) >> 8) |
+ ((data_array[i] & 0xff000000) >> 24);
+#endif
+ }
+ return rc;
+}
+
+static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
+ u8 devad, u16 reg, u16 or_val)
+{
+ u16 val;
+ bnx2x_cl45_read(bp, phy, devad, reg, &val);
+ bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
+}
+
+static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
+ struct bnx2x_phy *phy,
+ u8 devad, u16 reg, u16 and_val)
+{
+ u16 val;
+ bnx2x_cl45_read(bp, phy, devad, reg, &val);
+ bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
+}
+
+int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
+ u8 devad, u16 reg, u16 *ret_val)
+{
+ u8 phy_index;
+ /* Probe for the phy according to the given phy_addr, and execute
+ * the read request on it
+ */
+ for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
+ if (params->phy[phy_index].addr == phy_addr) {
+ return bnx2x_cl45_read(params->bp,
+ ¶ms->phy[phy_index], devad,
+ reg, ret_val);
+ }
+ }
+ return -EINVAL;
+}
+
+int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
+ u8 devad, u16 reg, u16 val)
+{
+ u8 phy_index;
+ /* Probe for the phy according to the given phy_addr, and execute
+ * the write request on it
+ */
+ for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
+ if (params->phy[phy_index].addr == phy_addr) {
+ return bnx2x_cl45_write(params->bp,
+ ¶ms->phy[phy_index], devad,
+ reg, val);
+ }
+ }
+ return -EINVAL;
+}
+static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ u8 lane = 0;
+ struct bnx2x *bp = params->bp;
+ u32 path_swap, path_swap_ovr;
+ u8 path, port;
+
+ path = BP_PATH(bp);
+ port = params->port;
+
+ if (bnx2x_is_4_port_mode(bp)) {
+ u32 port_swap, port_swap_ovr;
+
+ /* Figure out path swap value */
+ path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
+ if (path_swap_ovr & 0x1)
+ path_swap = (path_swap_ovr & 0x2);
+ else
+ path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
+
+ if (path_swap)
+ path = path ^ 1;
+
+ /* Figure out port swap value */
+ port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
+ if (port_swap_ovr & 0x1)
+ port_swap = (port_swap_ovr & 0x2);
+ else
+ port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
+
+ if (port_swap)
+ port = port ^ 1;
+
+ lane = (port<<1) + path;
+ } else { /* Two port mode - no port swap */
+
+ /* Figure out path swap value */
+ path_swap_ovr =
+ REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
+ if (path_swap_ovr & 0x1) {
+ path_swap = (path_swap_ovr & 0x2);
+ } else {
+ path_swap =
+ REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
+ }
+ if (path_swap)
+ path = path ^ 1;
+
+ lane = path << 1 ;
+ }
+ return lane;
+}
+
+static void bnx2x_set_aer_mmd(struct link_params *params,
+ struct bnx2x_phy *phy)
+{
+ u32 ser_lane;
+ u16 offset, aer_val;
+ struct bnx2x *bp = params->bp;
+ ser_lane = ((params->lane_config &
+ PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
+ PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
+
+ offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
+ (phy->addr + ser_lane) : 0;
+
+ if (USES_WARPCORE(bp)) {
+ aer_val = bnx2x_get_warpcore_lane(phy, params);
+ /* In Dual-lane mode, two lanes are joined together,
+ * so in order to configure them, the AER broadcast method is
+ * used here.
+ * 0x200 is the broadcast address for lanes 0,1
+ * 0x201 is the broadcast address for lanes 2,3
+ */
+ if (phy->flags & FLAGS_WC_DUAL_MODE)
+ aer_val = (aer_val >> 1) | 0x200;
+ } else if (CHIP_IS_E2(bp))
+ aer_val = 0x3800 + offset - 1;
+ else
+ aer_val = 0x3800 + offset;
+
+ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
+ MDIO_AER_BLOCK_AER_REG, aer_val);
+
+}
+
+/******************************************************************/
+/* Internal phy section */
+/******************************************************************/
+
+static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
+{
+ u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
+
+ /* Set Clause 22 */
+ REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
+ REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
+ udelay(500);
+ REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
+ udelay(500);
+ /* Set Clause 45 */
+ REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
+}
+
+static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
+{
+ u32 val;
+
+ DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
+
+ val = SERDES_RESET_BITS << (port*16);
+
+ /* Reset and unreset the SerDes/XGXS */
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
+ udelay(500);
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
+
+ bnx2x_set_serdes_access(bp, port);
+
+ REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
+ DEFAULT_PHY_DEV_ADDR);
+}
+
+static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u32 action)
+{
+ struct bnx2x *bp = params->bp;
+ switch (action) {
+ case PHY_INIT:
+ /* Set correct devad */
+ REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
+ REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
+ phy->def_md_devad);
+ break;
+ }
+}
+
+static void bnx2x_xgxs_deassert(struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u8 port;
+ u32 val;
+ DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
+ port = params->port;
+
+ val = XGXS_RESET_BITS << (port*16);
+
+ /* Reset and unreset the SerDes/XGXS */
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
+ udelay(500);
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
+ bnx2x_xgxs_specific_func(¶ms->phy[INT_PHY], params,
+ PHY_INIT);
+}
+
+static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
+ struct link_params *params, u16 *ieee_fc)
+{
+ struct bnx2x *bp = params->bp;
+ *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
+ /* Resolve pause mode and advertisement Please refer to Table
+ * 28B-3 of the 802.3ab-1999 spec
+ */
+
+ switch (phy->req_flow_ctrl) {
+ case BNX2X_FLOW_CTRL_AUTO:
+ switch (params->req_fc_auto_adv) {
+ case BNX2X_FLOW_CTRL_BOTH:
+ *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
+ break;
+ case BNX2X_FLOW_CTRL_RX:
+ case BNX2X_FLOW_CTRL_TX:
+ *ieee_fc |=
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
+ break;
+ default:
+ break;
+ }
+ break;
+ case BNX2X_FLOW_CTRL_TX:
+ *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
+ break;
+
+ case BNX2X_FLOW_CTRL_RX:
+ case BNX2X_FLOW_CTRL_BOTH:
+ *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
+ break;
+
+ case BNX2X_FLOW_CTRL_NONE:
+ default:
+ *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
+ break;
+ }
+ DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
+}
+
+static void set_phy_vars(struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u8 actual_phy_idx, phy_index, link_cfg_idx;
+ u8 phy_config_swapped = params->multi_phy_config &
+ PORT_HW_CFG_PHY_SWAPPED_ENABLED;
+ for (phy_index = INT_PHY; phy_index < params->num_phys;
+ phy_index++) {
+ link_cfg_idx = LINK_CONFIG_IDX(phy_index);
+ actual_phy_idx = phy_index;
+ if (phy_config_swapped) {
+ if (phy_index == EXT_PHY1)
+ actual_phy_idx = EXT_PHY2;
+ else if (phy_index == EXT_PHY2)
+ actual_phy_idx = EXT_PHY1;
+ }
+ params->phy[actual_phy_idx].req_flow_ctrl =
+ params->req_flow_ctrl[link_cfg_idx];
+
+ params->phy[actual_phy_idx].req_line_speed =
+ params->req_line_speed[link_cfg_idx];
+
+ params->phy[actual_phy_idx].speed_cap_mask =
+ params->speed_cap_mask[link_cfg_idx];
+
+ params->phy[actual_phy_idx].req_duplex =
+ params->req_duplex[link_cfg_idx];
+
+ if (params->req_line_speed[link_cfg_idx] ==
+ SPEED_AUTO_NEG)
+ vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
+
+ DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
+ " speed_cap_mask %x\n",
+ params->phy[actual_phy_idx].req_flow_ctrl,
+ params->phy[actual_phy_idx].req_line_speed,
+ params->phy[actual_phy_idx].speed_cap_mask);
+ }
+}
+
+static void bnx2x_ext_phy_set_pause(struct link_params *params,
+ struct bnx2x_phy *phy,
+ struct link_vars *vars)
+{
+ u16 val;
+ struct bnx2x *bp = params->bp;
+ /* Read modify write pause advertizing */
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
+
+ val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
+
+ /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
+ bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
+ if ((vars->ieee_fc &
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
+ val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
+ }
+ if ((vars->ieee_fc &
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
+ val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
+ }
+ DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
+}
+
+static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
+{ /* LD LP */
+ switch (pause_result) { /* ASYM P ASYM P */
+ case 0xb: /* 1 0 1 1 */
+ vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
+ break;
+
+ case 0xe: /* 1 1 1 0 */
+ vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
+ break;
+
+ case 0x5: /* 0 1 0 1 */
+ case 0x7: /* 0 1 1 1 */
+ case 0xd: /* 1 1 0 1 */
+ case 0xf: /* 1 1 1 1 */
+ vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
+ break;
+
+ default:
+ break;
+ }
+ if (pause_result & (1<<0))
+ vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
+ if (pause_result & (1<<1))
+ vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
+
+}
+
+static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ u16 ld_pause; /* local */
+ u16 lp_pause; /* link partner */
+ u16 pause_result;
+ struct bnx2x *bp = params->bp;
+ if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
+ bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
+ bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
+ } else if (CHIP_IS_E3(bp) &&
+ SINGLE_MEDIA_DIRECT(params)) {
+ u8 lane = bnx2x_get_warpcore_lane(phy, params);
+ u16 gp_status, gp_mask;
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
+ &gp_status);
+ gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
+ MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
+ lane;
+ if ((gp_status & gp_mask) == gp_mask) {
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_ADV_PAUSE, &ld_pause);
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
+ } else {
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_CL37_FC_LD, &ld_pause);
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_CL37_FC_LP, &lp_pause);
+ ld_pause = ((ld_pause &
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
+ << 3);
+ lp_pause = ((lp_pause &
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
+ << 3);
+ }
+ } else {
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_ADV_PAUSE, &ld_pause);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
+ }
+ pause_result = (ld_pause &
+ MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
+ pause_result |= (lp_pause &
+ MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
+ DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
+ bnx2x_pause_resolve(vars, pause_result);
+
+}
+
+static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ u8 ret = 0;
+ vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
+ if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
+ /* Update the advertised flow-controled of LD/LP in AN */
+ if (phy->req_line_speed == SPEED_AUTO_NEG)
+ bnx2x_ext_phy_update_adv_fc(phy, params, vars);
+ /* But set the flow-control result as the requested one */
+ vars->flow_ctrl = phy->req_flow_ctrl;
+ } else if (phy->req_line_speed != SPEED_AUTO_NEG)
+ vars->flow_ctrl = params->req_fc_auto_adv;
+ else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
+ ret = 1;
+ bnx2x_ext_phy_update_adv_fc(phy, params, vars);
+ }
+ return ret;
+}
+/******************************************************************/
+/* Warpcore section */
+/******************************************************************/
+/* The init_internal_warpcore should mirror the xgxs,
+ * i.e. reset the lane (if needed), set aer for the
+ * init configuration, and set/clear SGMII flag. Internal
+ * phy init is done purely in phy_init stage.
+ */
+#define WC_TX_DRIVER(post2, idriver, ipre, ifir) \
+ ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
+ (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
+ (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET) | \
+ (ifir << MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET))
+
+#define WC_TX_FIR(post, main, pre) \
+ ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
+ (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
+ (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
+
+static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u16 i;
+ static struct bnx2x_reg_set reg_set[] = {
+ /* Step 1 - Program the TX/RX alignment markers */
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
+ /* Step 2 - Configure the NP registers */
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
+ };
+ DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
+
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
+
+ for (i = 0; i < ARRAY_SIZE(reg_set); i++)
+ bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
+ reg_set[i].val);
+
+ /* Start KR2 work-around timer which handles BCM8073 link-parner */
+ params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
+ bnx2x_update_link_attr(params, params->link_attr_sync);
+}
+
+static void bnx2x_disable_kr2(struct link_params *params,
+ struct link_vars *vars,
+ struct bnx2x_phy *phy)
+{
+ struct bnx2x *bp = params->bp;
+ int i;
+ static struct bnx2x_reg_set reg_set[] = {
+ /* Step 1 - Program the TX/RX alignment markers */
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
+ };
+ DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
+
+ for (i = 0; i < ARRAY_SIZE(reg_set); i++)
+ bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
+ reg_set[i].val);
+ params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
+ bnx2x_update_link_attr(params, params->link_attr_sync);
+
+ vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
+}
+
+static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+
+ DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
+}
+
+static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ /* Restart autoneg on the leading lane only */
+ struct bnx2x *bp = params->bp;
+ u16 lane = bnx2x_get_warpcore_lane(phy, params);
+ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
+ MDIO_AER_BLOCK_AER_REG, lane);
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
+ MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
+
+ /* Restore AER */
+ bnx2x_set_aer_mmd(params, phy);
+}
+
+static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars) {
+ u16 lane, i, cl72_ctrl, an_adv = 0, val;
+ u32 wc_lane_config;
+ struct bnx2x *bp = params->bp;
+ static struct bnx2x_reg_set reg_set[] = {
+ {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
+ {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
+ /* Disable Autoneg: re-enable it after adv is done. */
+ {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
+ {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
+ };
+ DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
+ /* Set to default registers that may be overriden by 10G force */
+ for (i = 0; i < ARRAY_SIZE(reg_set); i++)
+ bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
+ reg_set[i].val);
+
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
+ cl72_ctrl &= 0x08ff;
+ cl72_ctrl |= 0x3800;
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
+
+ /* Check adding advertisement for 1G KX */
+ if (((vars->line_speed == SPEED_AUTO_NEG) &&
+ (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
+ (vars->line_speed == SPEED_1000)) {
+ u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
+ an_adv |= (1<<5);
+
+ /* Enable CL37 1G Parallel Detect */
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
+ DP(NETIF_MSG_LINK, "Advertize 1G\n");
+ }
+ if (((vars->line_speed == SPEED_AUTO_NEG) &&
+ (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
+ (vars->line_speed == SPEED_10000)) {
+ /* Check adding advertisement for 10G KR */
+ an_adv |= (1<<7);
+ /* Enable 10G Parallel Detect */
+ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
+ MDIO_AER_BLOCK_AER_REG, 0);
+
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
+ MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
+ bnx2x_set_aer_mmd(params, phy);
+ DP(NETIF_MSG_LINK, "Advertize 10G\n");
+ }
+
+ /* Set Transmit PMD settings */
+ lane = bnx2x_get_warpcore_lane(phy, params);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
+ WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
+ /* Configure the next lane if dual mode */
+ if (phy->flags & FLAGS_WC_DUAL_MODE)
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
+ WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
+ 0x03f0);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
+ 0x03f0);
+
+ /* Advertised speeds */
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
+ MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
+
+ /* Advertised and set FEC (Forward Error Correction) */
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
+ MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
+ (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
+ MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
+
+ /* Enable CL37 BAM */
+ if (REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region, dev_info.
+ port_hw_config[params->port].default_cfg)) &
+ PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
+ 1);
+ DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
+ }
+
+ /* Advertise pause */
+ bnx2x_ext_phy_set_pause(params, phy, vars);
+ vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
+
+ /* Over 1G - AN local device user page 1 */
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
+
+ if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
+ (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
+ (phy->req_line_speed == SPEED_20000)) {
+
+ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
+ MDIO_AER_BLOCK_AER_REG, lane);
+
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
+ (1<<11));
+
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
+ bnx2x_set_aer_mmd(params, phy);
+
+ bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
+ } else {
+ /* Enable Auto-Detect to support 1G over CL37 as well */
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
+ wc_lane_config = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region, dev_info.
+ shared_hw_config.wc_lane_config));
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
+ /* Force cl48 sync_status LOW to avoid getting stuck in CL73
+ * parallel-detect loop when CL73 and CL37 are enabled.
+ */
+ val |= 1 << 11;
+
+ /* Restore Polarity settings in case it was run over by
+ * previous link owner
+ */
+ if (wc_lane_config &
+ (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
+ val |= 3 << 2;
+ else
+ val &= ~(3 << 2);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
+ val);
+
+ bnx2x_disable_kr2(params, vars, phy);
+ }
+
+ /* Enable Autoneg: only on the main lane */
+ bnx2x_warpcore_restart_AN_KR(phy, params);
+}
+
+static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u16 val16, i, lane;
+ static struct bnx2x_reg_set reg_set[] = {
+ /* Disable Autoneg */
+ {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
+ 0x3f00},
+ {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
+ {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
+ /* Leave cl72 training enable, needed for KR */
+ {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
+ };
+
+ for (i = 0; i < ARRAY_SIZE(reg_set); i++)
+ bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
+ reg_set[i].val);
+
+ lane = bnx2x_get_warpcore_lane(phy, params);
+ /* Global registers */
+ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
+ MDIO_AER_BLOCK_AER_REG, 0);
+ /* Disable CL36 PCS Tx */
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
+ val16 &= ~(0x0011 << lane);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
+
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
+ val16 |= (0x0303 << (lane << 1));
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
+ /* Restore AER */
+ bnx2x_set_aer_mmd(params, phy);
+ /* Set speed via PMA/PMD register */
+ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
+ MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
+
+ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
+ MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
+
+ /* Enable encoded forced speed */
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
+
+ /* Turn TX scramble payload only the 64/66 scrambler */
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_TX66_CONTROL, 0x9);
+
+ /* Turn RX scramble payload only the 64/66 scrambler */
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX66_CONTROL, 0xF9);
+
+ /* Set and clear loopback to cause a reset to 64/66 decoder */
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
+
+}
+
+static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u8 is_xfi)
+{
+ struct bnx2x *bp = params->bp;
+ u16 misc1_val, tap_val, tx_driver_val, lane, val;
+ u32 cfg_tap_val, tx_drv_brdct, tx_equal;
+ u32 ifir_val, ipost2_val, ipre_driver_val;
+
+ /* Hold rxSeqStart */
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
+
+ /* Hold tx_fifo_reset */
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
+
+ /* Disable CL73 AN */
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
+
+ /* Disable 100FX Enable and Auto-Detect */
+ bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
+
+ /* Disable 100FX Idle detect */
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_FX100_CTRL3, 0x0080);
+
+ /* Set Block address to Remote PHY & Clear forced_speed[5] */
+ bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
+
+ /* Turn off auto-detect & fiber mode */
+ bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
+ 0xFFEE);
+
+ /* Set filter_force_link, disable_false_link and parallel_detect */
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
+ ((val | 0x0006) & 0xFFFE));
+
+ /* Set XFI / SFI */
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
+
+ misc1_val &= ~(0x1f);
+
+ if (is_xfi) {
+ misc1_val |= 0x5;
+ tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
+ tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03, 0);
+ } else {
+ cfg_tap_val = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region, dev_info.
+ port_hw_config[params->port].
+ sfi_tap_values));
+
+ tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
+
+ misc1_val |= 0x9;
+
+ /* TAP values are controlled by nvram, if value there isn't 0 */
+ if (tx_equal)
+ tap_val = (u16)tx_equal;
+ else
+ tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
+
+ ifir_val = DEFAULT_TX_DRV_IFIR;
+ ipost2_val = DEFAULT_TX_DRV_POST2;
+ ipre_driver_val = DEFAULT_TX_DRV_IPRE_DRIVER;
+ tx_drv_brdct = DEFAULT_TX_DRV_BRDCT;
+
+ /* If any of the IFIR/IPRE_DRIVER/POST@ is set, apply all
+ * configuration.
+ */
+ if (cfg_tap_val & (PORT_HW_CFG_TX_DRV_IFIR_MASK |
+ PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK |
+ PORT_HW_CFG_TX_DRV_POST2_MASK)) {
+ ifir_val = (cfg_tap_val &
+ PORT_HW_CFG_TX_DRV_IFIR_MASK) >>
+ PORT_HW_CFG_TX_DRV_IFIR_SHIFT;
+ ipre_driver_val = (cfg_tap_val &
+ PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK)
+ >> PORT_HW_CFG_TX_DRV_IPREDRIVER_SHIFT;
+ ipost2_val = (cfg_tap_val &
+ PORT_HW_CFG_TX_DRV_POST2_MASK) >>
+ PORT_HW_CFG_TX_DRV_POST2_SHIFT;
+ }
+
+ if (cfg_tap_val & PORT_HW_CFG_TX_DRV_BROADCAST_MASK) {
+ tx_drv_brdct = (cfg_tap_val &
+ PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
+ PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
+ }
+
+ tx_driver_val = WC_TX_DRIVER(ipost2_val, tx_drv_brdct,
+ ipre_driver_val, ifir_val);
+ }
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
+
+ /* Set Transmit PMD settings */
+ lane = bnx2x_get_warpcore_lane(phy, params);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_TX_FIR_TAP,
+ tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
+ tx_driver_val);
+
+ /* Enable fiber mode, enable and invert sig_det */
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
+
+ /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
+
+ bnx2x_warpcore_set_lpi_passthrough(phy, params);
+
+ /* 10G XFI Full Duplex */
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
+
+ /* Release tx_fifo_reset */
+ bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
+ 0xFFFE);
+ /* Release rxSeqStart */
+ bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
+}
+
+static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ u16 val;
+ struct bnx2x *bp = params->bp;
+ /* Set global registers, so set AER lane to 0 */
+ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
+ MDIO_AER_BLOCK_AER_REG, 0);
+
+ /* Disable sequencer */
+ bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
+
+ bnx2x_set_aer_mmd(params, phy);
+
+ bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
+ MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_CTRL, 0);
+ /* Turn off CL73 */
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_CL73_USERB0_CTRL, &val);
+ val &= ~(1<<5);
+ val |= (1<<6);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_CL73_USERB0_CTRL, val);
+
+ /* Set 20G KR2 force speed */
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
+
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
+
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
+ val &= ~(3<<14);
+ val |= (1<<15);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
+
+ /* Enable sequencer (over lane 0) */
+ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
+ MDIO_AER_BLOCK_AER_REG, 0);
+
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
+
+ bnx2x_set_aer_mmd(params, phy);
+}
+
+static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
+ struct bnx2x_phy *phy,
+ u16 lane)
+{
+ /* Rx0 anaRxControl1G */
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
+
+ /* Rx2 anaRxControl1G */
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
+
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX66_SCW0, 0xE070);
+
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX66_SCW1, 0xC0D0);
+
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX66_SCW2, 0xA0B0);
+
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX66_SCW3, 0x8090);
+
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
+
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
+
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
+
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
+
+ /* Serdes Digital Misc1 */
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
+
+ /* Serdes Digital4 Misc3 */
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
+
+ /* Set Transmit PMD settings */
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_TX_FIR_TAP,
+ (WC_TX_FIR(0x12, 0x2d, 0x00) |
+ MDIO_WC_REG_TX_FIR_TAP_ENABLE));
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
+ WC_TX_DRIVER(0x02, 0x02, 0x02, 0));
+}
+
+static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u8 fiber_mode,
+ u8 always_autoneg)
+{
+ struct bnx2x *bp = params->bp;
+ u16 val16, digctrl_kx1, digctrl_kx2;
+
+ /* Clear XFI clock comp in non-10G single lane mode. */
+ bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
+
+ bnx2x_warpcore_set_lpi_passthrough(phy, params);
+
+ if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
+ /* SGMII Autoneg */
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
+ 0x1000);
+ DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
+ } else {
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
+ val16 &= 0xcebf;
+ switch (phy->req_line_speed) {
+ case SPEED_10:
+ break;
+ case SPEED_100:
+ val16 |= 0x2000;
+ break;
+ case SPEED_1000:
+ val16 |= 0x0040;
+ break;
+ default:
+ DP(NETIF_MSG_LINK,
+ "Speed not supported: 0x%x\n", phy->req_line_speed);
+ return;
+ }
+
+ if (phy->req_duplex == DUPLEX_FULL)
+ val16 |= 0x0100;
+
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
+
+ DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
+ phy->req_line_speed);
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
+ DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
+ }
+
+ /* SGMII Slave mode and disable signal detect */
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
+ if (fiber_mode)
+ digctrl_kx1 = 1;
+ else
+ digctrl_kx1 &= 0xff4a;
+
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
+ digctrl_kx1);
+
+ /* Turn off parallel detect */
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
+ (digctrl_kx2 & ~(1<<2)));
+
+ /* Re-enable parallel detect */
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
+ (digctrl_kx2 | (1<<2)));
+
+ /* Enable autodet */
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
+ (digctrl_kx1 | 0x10));
+}
+
+static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
+ struct bnx2x_phy *phy,
+ u8 reset)
+{
+ u16 val;
+ /* Take lane out of reset after configuration is finished */
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_DIGITAL5_MISC6, &val);
+ if (reset)
+ val |= 0xC000;
+ else
+ val &= 0x3FFF;
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_DIGITAL5_MISC6, val);
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_DIGITAL5_MISC6, &val);
+}
+/* Clear SFI/XFI link settings registers */
+static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u16 lane)
+{
+ struct bnx2x *bp = params->bp;
+ u16 i;
+ static struct bnx2x_reg_set wc_regs[] = {
+ {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
+ 0x0195},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
+ 0x0007},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
+ 0x0002},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
+ };
+ /* Set XFI clock comp as default. */
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_RX66_CONTROL, (3<<13));
+
+ for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
+ bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
+ wc_regs[i].val);
+
+ lane = bnx2x_get_warpcore_lane(phy, params);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
+
+}
+
+static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
+ u32 chip_id,
+ u32 shmem_base, u8 port,
+ u8 *gpio_num, u8 *gpio_port)
+{
+ u32 cfg_pin;
+ *gpio_num = 0;
+ *gpio_port = 0;
+ if (CHIP_IS_E3(bp)) {
+ cfg_pin = (REG_RD(bp, shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].e3_sfp_ctrl)) &
+ PORT_HW_CFG_E3_MOD_ABS_MASK) >>
+ PORT_HW_CFG_E3_MOD_ABS_SHIFT;
+
+ /* Should not happen. This function called upon interrupt
+ * triggered by GPIO ( since EPIO can only generate interrupts
+ * to MCP).
+ * So if this function was called and none of the GPIOs was set,
+ * it means the shit hit the fan.
+ */
+ if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
+ (cfg_pin > PIN_CFG_GPIO3_P1)) {
+ DP(NETIF_MSG_LINK,
+ "No cfg pin %x for module detect indication\n",
+ cfg_pin);
+ return -EINVAL;
+ }
+
+ *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
+ *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
+ } else {
+ *gpio_num = MISC_REGISTERS_GPIO_3;
+ *gpio_port = port;
+ }
+
+ return 0;
+}
+
+static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u8 gpio_num, gpio_port;
+ u32 gpio_val;
+ if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
+ params->shmem_base, params->port,
+ &gpio_num, &gpio_port) != 0)
+ return 0;
+ gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
+
+ /* Call the handling function in case module is detected */
+ if (gpio_val == 0)
+ return 1;
+ else
+ return 0;
+}
+static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ u16 gp2_status_reg0, lane;
+ struct bnx2x *bp = params->bp;
+
+ lane = bnx2x_get_warpcore_lane(phy, params);
+
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
+ &gp2_status_reg0);
+
+ return (gp2_status_reg0 >> (8+lane)) & 0x1;
+}
+
+static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u32 serdes_net_if;
+ u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
+
+ vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
+
+ if (!vars->turn_to_run_wc_rt)
+ return;
+
+ if (vars->rx_tx_asic_rst) {
+ u16 lane = bnx2x_get_warpcore_lane(phy, params);
+ serdes_net_if = (REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region, dev_info.
+ port_hw_config[params->port].default_cfg)) &
+ PORT_HW_CFG_NET_SERDES_IF_MASK);
+
+ switch (serdes_net_if) {
+ case PORT_HW_CFG_NET_SERDES_IF_KR:
+ /* Do we get link yet? */
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
+ &gp_status1);
+ lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
+ /*10G KR*/
+ lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
+
+ if (lnkup_kr || lnkup) {
+ vars->rx_tx_asic_rst = 0;
+ } else {
+ /* Reset the lane to see if link comes up.*/
+ bnx2x_warpcore_reset_lane(bp, phy, 1);
+ bnx2x_warpcore_reset_lane(bp, phy, 0);
+
+ /* Restart Autoneg */
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
+ MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
+
+ vars->rx_tx_asic_rst--;
+ DP(NETIF_MSG_LINK, "0x%x retry left\n",
+ vars->rx_tx_asic_rst);
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ } /*params->rx_tx_asic_rst*/
+
+}
+static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ u16 lane = bnx2x_get_warpcore_lane(phy, params);
+ struct bnx2x *bp = params->bp;
+ bnx2x_warpcore_clear_regs(phy, params, lane);
+ if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
+ SPEED_10000) &&
+ (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
+ DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
+ bnx2x_warpcore_set_10G_XFI(phy, params, 0);
+ } else {
+ DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
+ bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
+ }
+}
+
+static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
+ struct bnx2x_phy *phy,
+ u8 tx_en)
+{
+ struct bnx2x *bp = params->bp;
+ u32 cfg_pin;
+ u8 port = params->port;
+
+ cfg_pin = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].e3_sfp_ctrl)) &
+ PORT_HW_CFG_E3_TX_LASER_MASK;
+ /* Set the !tx_en since this pin is DISABLE_TX_LASER */
+ DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
+
+ /* For 20G, the expected pin to be used is 3 pins after the current */
+ bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
+ if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
+ bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
+}
+
+static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u32 serdes_net_if;
+ u8 fiber_mode;
+ u16 lane = bnx2x_get_warpcore_lane(phy, params);
+ serdes_net_if = (REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region, dev_info.
+ port_hw_config[params->port].default_cfg)) &
+ PORT_HW_CFG_NET_SERDES_IF_MASK);
+ DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
+ "serdes_net_if = 0x%x\n",
+ vars->line_speed, serdes_net_if);
+ bnx2x_set_aer_mmd(params, phy);
+ bnx2x_warpcore_reset_lane(bp, phy, 1);
+ vars->phy_flags |= PHY_XGXS_FLAG;
+ if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
+ (phy->req_line_speed &&
+ ((phy->req_line_speed == SPEED_100) ||
+ (phy->req_line_speed == SPEED_10)))) {
+ vars->phy_flags |= PHY_SGMII_FLAG;
+ DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
+ bnx2x_warpcore_clear_regs(phy, params, lane);
+ bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
+ } else {
+ switch (serdes_net_if) {
+ case PORT_HW_CFG_NET_SERDES_IF_KR:
+ /* Enable KR Auto Neg */
+ if (params->loopback_mode != LOOPBACK_EXT)
+ bnx2x_warpcore_enable_AN_KR(phy, params, vars);
+ else {
+ DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
+ bnx2x_warpcore_set_10G_KR(phy, params, vars);
+ }
+ break;
+
+ case PORT_HW_CFG_NET_SERDES_IF_XFI:
+ bnx2x_warpcore_clear_regs(phy, params, lane);
+ if (vars->line_speed == SPEED_10000) {
+ DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
+ bnx2x_warpcore_set_10G_XFI(phy, params, 1);
+ } else {
+ if (SINGLE_MEDIA_DIRECT(params)) {
+ DP(NETIF_MSG_LINK, "1G Fiber\n");
+ fiber_mode = 1;
+ } else {
+ DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
+ fiber_mode = 0;
+ }
+ bnx2x_warpcore_set_sgmii_speed(phy,
+ params,
+ fiber_mode,
+ 0);
+ }
+
+ break;
+
+ case PORT_HW_CFG_NET_SERDES_IF_SFI:
+ /* Issue Module detection if module is plugged, or
+ * enabled transmitter to avoid current leakage in case
+ * no module is connected
+ */
+ if ((params->loopback_mode == LOOPBACK_NONE) ||
+ (params->loopback_mode == LOOPBACK_EXT)) {
+ if (bnx2x_is_sfp_module_plugged(phy, params))
+ bnx2x_sfp_module_detection(phy, params);
+ else
+ bnx2x_sfp_e3_set_transmitter(params,
+ phy, 1);
+ }
+
+ bnx2x_warpcore_config_sfi(phy, params);
+ break;
+
+ case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
+ if (vars->line_speed != SPEED_20000) {
+ DP(NETIF_MSG_LINK, "Speed not supported yet\n");
+ return;
+ }
+ DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
+ bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
+ /* Issue Module detection */
+
+ bnx2x_sfp_module_detection(phy, params);
+ break;
+ case PORT_HW_CFG_NET_SERDES_IF_KR2:
+ if (!params->loopback_mode) {
+ bnx2x_warpcore_enable_AN_KR(phy, params, vars);
+ } else {
+ DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
+ bnx2x_warpcore_set_20G_force_KR2(phy, params);
+ }
+ break;
+ default:
+ DP(NETIF_MSG_LINK,
+ "Unsupported Serdes Net Interface 0x%x\n",
+ serdes_net_if);
+ return;
+ }
+ }
+
+ /* Take lane out of reset after configuration is finished */
+ bnx2x_warpcore_reset_lane(bp, phy, 0);
+ DP(NETIF_MSG_LINK, "Exit config init\n");
+}
+
+static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u16 val16, lane;
+ bnx2x_sfp_e3_set_transmitter(params, phy, 0);
+ bnx2x_set_mdio_emac_per_phy(bp, params);
+ bnx2x_set_aer_mmd(params, phy);
+ /* Global register */
+ bnx2x_warpcore_reset_lane(bp, phy, 1);
+
+ /* Clear loopback settings (if any) */
+ /* 10G & 20G */
+ bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
+
+ bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
+
+ /* Update those 1-copy registers */
+ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
+ MDIO_AER_BLOCK_AER_REG, 0);
+ /* Enable 1G MDIO (1-copy) */
+ bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
+ ~0x10);
+
+ bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
+ lane = bnx2x_get_warpcore_lane(phy, params);
+ /* Disable CL36 PCS Tx */
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
+ val16 |= (0x11 << lane);
+ if (phy->flags & FLAGS_WC_DUAL_MODE)
+ val16 |= (0x22 << lane);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
+
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
+ val16 &= ~(0x0303 << (lane << 1));
+ val16 |= (0x0101 << (lane << 1));
+ if (phy->flags & FLAGS_WC_DUAL_MODE) {
+ val16 &= ~(0x0c0c << (lane << 1));
+ val16 |= (0x0404 << (lane << 1));
+ }
+
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
+ /* Restore AER */
+ bnx2x_set_aer_mmd(params, phy);
+
+}
+
+static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u16 val16;
+ u32 lane;
+ DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
+ params->loopback_mode, phy->req_line_speed);
+
+ if (phy->req_line_speed < SPEED_10000 ||
+ phy->supported & SUPPORTED_20000baseKR2_Full) {
+ /* 10/100/1000/20G-KR2 */
+
+ /* Update those 1-copy registers */
+ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
+ MDIO_AER_BLOCK_AER_REG, 0);
+ /* Enable 1G MDIO (1-copy) */
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
+ 0x10);
+ /* Set 1G loopback based on lane (1-copy) */
+ lane = bnx2x_get_warpcore_lane(phy, params);
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
+ val16 |= (1<<lane);
+ if (phy->flags & FLAGS_WC_DUAL_MODE)
+ val16 |= (2<<lane);
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_XGXSBLK1_LANECTRL2,
+ val16);
+
+ /* Switch back to 4-copy registers */
+ bnx2x_set_aer_mmd(params, phy);
+ } else {
+ /* 10G / 20G-DXGXS */
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
+ 0x4000);
+ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
+ }
+}
+
+
+
+static void bnx2x_sync_link(struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u8 link_10g_plus;
+ if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
+ vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
+ vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
+ if (vars->link_up) {
+ DP(NETIF_MSG_LINK, "phy link up\n");
+
+ vars->phy_link_up = 1;
+ vars->duplex = DUPLEX_FULL;
+ switch (vars->link_status &
+ LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
+ case LINK_10THD:
+ vars->duplex = DUPLEX_HALF;
+ /* Fall thru */
+ case LINK_10TFD:
+ vars->line_speed = SPEED_10;
+ break;
+
+ case LINK_100TXHD:
+ vars->duplex = DUPLEX_HALF;
+ /* Fall thru */
+ case LINK_100T4:
+ case LINK_100TXFD:
+ vars->line_speed = SPEED_100;
+ break;
+
+ case LINK_1000THD:
+ vars->duplex = DUPLEX_HALF;
+ /* Fall thru */
+ case LINK_1000TFD:
+ vars->line_speed = SPEED_1000;
+ break;
+
+ case LINK_2500THD:
+ vars->duplex = DUPLEX_HALF;
+ /* Fall thru */
+ case LINK_2500TFD:
+ vars->line_speed = SPEED_2500;
+ break;
+
+ case LINK_10GTFD:
+ vars->line_speed = SPEED_10000;
+ break;
+ case LINK_20GTFD:
+ vars->line_speed = SPEED_20000;
+ break;
+ default:
+ break;
+ }
+ vars->flow_ctrl = 0;
+ if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
+ vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
+
+ if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
+ vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
+
+ if (!vars->flow_ctrl)
+ vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
+
+ if (vars->line_speed &&
+ ((vars->line_speed == SPEED_10) ||
+ (vars->line_speed == SPEED_100))) {
+ vars->phy_flags |= PHY_SGMII_FLAG;
+ } else {
+ vars->phy_flags &= ~PHY_SGMII_FLAG;
+ }
+ if (vars->line_speed &&
+ USES_WARPCORE(bp) &&
+ (vars->line_speed == SPEED_1000))
+ vars->phy_flags |= PHY_SGMII_FLAG;
+ /* Anything 10 and over uses the bmac */
+ link_10g_plus = (vars->line_speed >= SPEED_10000);
+
+ if (link_10g_plus) {
+ if (USES_WARPCORE(bp))
+ vars->mac_type = MAC_TYPE_XMAC;
+ else
+ vars->mac_type = MAC_TYPE_BMAC;
+ } else {
+ if (USES_WARPCORE(bp))
+ vars->mac_type = MAC_TYPE_UMAC;
+ else
+ vars->mac_type = MAC_TYPE_EMAC;
+ }
+ } else { /* Link down */
+ DP(NETIF_MSG_LINK, "phy link down\n");
+
+ vars->phy_link_up = 0;
+
+ vars->line_speed = 0;
+ vars->duplex = DUPLEX_FULL;
+ vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
+
+ /* Indicate no mac active */
+ vars->mac_type = MAC_TYPE_NONE;
+ if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
+ vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
+ if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
+ vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
+ }
+}
+
+void bnx2x_link_status_update(struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u8 port = params->port;
+ u32 sync_offset, media_types;
+ /* Update PHY configuration */
+ set_phy_vars(params, vars);
+
+ vars->link_status = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ port_mb[port].link_status));
+
+ /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
+ if (params->loopback_mode != LOOPBACK_NONE &&
+ params->loopback_mode != LOOPBACK_EXT)
+ vars->link_status |= LINK_STATUS_LINK_UP;
+
+ if (bnx2x_eee_has_cap(params))
+ vars->eee_status = REG_RD(bp, params->shmem2_base +
+ offsetof(struct shmem2_region,
+ eee_status[params->port]));
+
+ vars->phy_flags = PHY_XGXS_FLAG;
+ bnx2x_sync_link(params, vars);
+ /* Sync media type */
+ sync_offset = params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].media_type);
+ media_types = REG_RD(bp, sync_offset);
+
+ params->phy[INT_PHY].media_type =
+ (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
+ PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
+ params->phy[EXT_PHY1].media_type =
+ (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
+ PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
+ params->phy[EXT_PHY2].media_type =
+ (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
+ PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
+ DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
+
+ /* Sync AEU offset */
+ sync_offset = params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].aeu_int_mask);
+
+ vars->aeu_int_mask = REG_RD(bp, sync_offset);
+
+ /* Sync PFC status */
+ if (vars->link_status & LINK_STATUS_PFC_ENABLED)
+ params->feature_config_flags |=
+ FEATURE_CONFIG_PFC_ENABLED;
+ else
+ params->feature_config_flags &=
+ ~FEATURE_CONFIG_PFC_ENABLED;
+
+ if (SHMEM2_HAS(bp, link_attr_sync))
+ params->link_attr_sync = SHMEM2_RD(bp,
+ link_attr_sync[params->port]);
+
+ DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
+ vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
+ DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
+ vars->line_speed, vars->duplex, vars->flow_ctrl);
+}
+
+static void bnx2x_set_master_ln(struct link_params *params,
+ struct bnx2x_phy *phy)
+{
+ struct bnx2x *bp = params->bp;
+ u16 new_master_ln, ser_lane;
+ ser_lane = ((params->lane_config &
+ PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
+ PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
+
+ /* Set the master_ln for AN */
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_XGXS_BLOCK2,
+ MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
+ &new_master_ln);
+
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_XGXS_BLOCK2 ,
+ MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
+ (new_master_ln | ser_lane));
+}
+
+static int bnx2x_reset_unicore(struct link_params *params,
+ struct bnx2x_phy *phy,
+ u8 set_serdes)
+{
+ struct bnx2x *bp = params->bp;
+ u16 mii_control;
+ u16 i;
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_COMBO_IEEE0,
+ MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
+
+ /* Reset the unicore */
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_COMBO_IEEE0,
+ MDIO_COMBO_IEEE0_MII_CONTROL,
+ (mii_control |
+ MDIO_COMBO_IEEO_MII_CONTROL_RESET));
+ if (set_serdes)
+ bnx2x_set_serdes_access(bp, params->port);
+
+ /* Wait for the reset to self clear */
+ for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
+ udelay(5);
+
+ /* The reset erased the previous bank value */
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_COMBO_IEEE0,
+ MDIO_COMBO_IEEE0_MII_CONTROL,
+ &mii_control);
+
+ if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
+ udelay(5);
+ return 0;
+ }
+ }
+
+ netdev_err(bp->dev, "Warning: PHY was not initialized,"
+ " Port %d\n",
+ params->port);
+ DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
+ return -EINVAL;
+
+}
+
+static void bnx2x_set_swap_lanes(struct link_params *params,
+ struct bnx2x_phy *phy)
+{
+ struct bnx2x *bp = params->bp;
+ /* Each two bits represents a lane number:
+ * No swap is 0123 => 0x1b no need to enable the swap
+ */
+ u16 rx_lane_swap, tx_lane_swap;
+
+ rx_lane_swap = ((params->lane_config &
+ PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
+ PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
+ tx_lane_swap = ((params->lane_config &
+ PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
+ PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
+
+ if (rx_lane_swap != 0x1b) {
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_XGXS_BLOCK2,
+ MDIO_XGXS_BLOCK2_RX_LN_SWAP,
+ (rx_lane_swap |
+ MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
+ MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
+ } else {
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_XGXS_BLOCK2,
+ MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
+ }
+
+ if (tx_lane_swap != 0x1b) {
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_XGXS_BLOCK2,
+ MDIO_XGXS_BLOCK2_TX_LN_SWAP,
+ (tx_lane_swap |
+ MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
+ } else {
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_XGXS_BLOCK2,
+ MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
+ }
+}
+
+static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u16 control2;
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_SERDES_DIGITAL,
+ MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
+ &control2);
+ if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
+ control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
+ else
+ control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
+ DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
+ phy->speed_cap_mask, control2);
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_SERDES_DIGITAL,
+ MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
+ control2);
+
+ if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
+ (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
+ DP(NETIF_MSG_LINK, "XGXS\n");
+
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_10G_PARALLEL_DETECT,
+ MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
+ MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
+
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_10G_PARALLEL_DETECT,
+ MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
+ &control2);
+
+
+ control2 |=
+ MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
+
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_10G_PARALLEL_DETECT,
+ MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
+ control2);
+
+ /* Disable parallel detection of HiG */
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_XGXS_BLOCK2,
+ MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
+ MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
+ MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
+ }
+}
+
+static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars,
+ u8 enable_cl73)
+{
+ struct bnx2x *bp = params->bp;
+ u16 reg_val;
+
+ /* CL37 Autoneg */
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_COMBO_IEEE0,
+ MDIO_COMBO_IEEE0_MII_CONTROL, ®_val);
+
+ /* CL37 Autoneg Enabled */
+ if (vars->line_speed == SPEED_AUTO_NEG)
+ reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
+ else /* CL37 Autoneg Disabled */
+ reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
+ MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
+
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_COMBO_IEEE0,
+ MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
+
+ /* Enable/Disable Autodetection */
+
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_SERDES_DIGITAL,
+ MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val);
+ reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
+ MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
+ reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
+ if (vars->line_speed == SPEED_AUTO_NEG)
+ reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
+ else
+ reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
+
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_SERDES_DIGITAL,
+ MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
+
+ /* Enable TetonII and BAM autoneg */
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_BAM_NEXT_PAGE,
+ MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
+ ®_val);
+ if (vars->line_speed == SPEED_AUTO_NEG) {
+ /* Enable BAM aneg Mode and TetonII aneg Mode */
+ reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
+ MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
+ } else {
+ /* TetonII and BAM Autoneg Disabled */
+ reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
+ MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
+ }
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_BAM_NEXT_PAGE,
+ MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
+ reg_val);
+
+ if (enable_cl73) {
+ /* Enable Cl73 FSM status bits */
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_CL73_USERB0,
+ MDIO_CL73_USERB0_CL73_UCTRL,
+ 0xe);
+
+ /* Enable BAM Station Manager*/
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_CL73_USERB0,
+ MDIO_CL73_USERB0_CL73_BAM_CTRL1,
+ MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
+ MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
+ MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
+
+ /* Advertise CL73 link speeds */
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_CL73_IEEEB1,
+ MDIO_CL73_IEEEB1_AN_ADV2,
+ ®_val);
+ if (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
+ reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
+ if (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
+ reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
+
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_CL73_IEEEB1,
+ MDIO_CL73_IEEEB1_AN_ADV2,
+ reg_val);
+
+ /* CL73 Autoneg Enabled */
+ reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
+
+ } else /* CL73 Autoneg Disabled */
+ reg_val = 0;
+
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_CL73_IEEEB0,
+ MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
+}
+
+/* Program SerDes, forced speed */
+static void bnx2x_program_serdes(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u16 reg_val;
+
+ /* Program duplex, disable autoneg and sgmii*/
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_COMBO_IEEE0,
+ MDIO_COMBO_IEEE0_MII_CONTROL, ®_val);
+ reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
+ MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
+ MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
+ if (phy->req_duplex == DUPLEX_FULL)
+ reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_COMBO_IEEE0,
+ MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
+
+ /* Program speed
+ * - needed only if the speed is greater than 1G (2.5G or 10G)
+ */
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_SERDES_DIGITAL,
+ MDIO_SERDES_DIGITAL_MISC1, ®_val);
+ /* Clearing the speed value before setting the right speed */
+ DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
+
+ reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
+ MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
+
+ if (!((vars->line_speed == SPEED_1000) ||
+ (vars->line_speed == SPEED_100) ||
+ (vars->line_speed == SPEED_10))) {
+
+ reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
+ MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
+ if (vars->line_speed == SPEED_10000)
+ reg_val |=
+ MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
+ }
+
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_SERDES_DIGITAL,
+ MDIO_SERDES_DIGITAL_MISC1, reg_val);
+
+}
+
+static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u16 val = 0;
+
+ /* Set extended capabilities */
+ if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
+ val |= MDIO_OVER_1G_UP1_2_5G;
+ if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
+ val |= MDIO_OVER_1G_UP1_10G;
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_OVER_1G,
+ MDIO_OVER_1G_UP1, val);
+
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_OVER_1G,
+ MDIO_OVER_1G_UP3, 0x400);
+}
+
+static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u16 ieee_fc)
+{
+ struct bnx2x *bp = params->bp;
+ u16 val;
+ /* For AN, we are always publishing full duplex */
+
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_COMBO_IEEE0,
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_CL73_IEEEB1,
+ MDIO_CL73_IEEEB1_AN_ADV1, &val);
+ val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
+ val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_CL73_IEEEB1,
+ MDIO_CL73_IEEEB1_AN_ADV1, val);
+}
+
+static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u8 enable_cl73)
+{
+ struct bnx2x *bp = params->bp;
+ u16 mii_control;
+
+ DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
+ /* Enable and restart BAM/CL37 aneg */
+
+ if (enable_cl73) {
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_CL73_IEEEB0,
+ MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
+ &mii_control);
+
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_CL73_IEEEB0,
+ MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
+ (mii_control |
+ MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
+ MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
+ } else {
+
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_COMBO_IEEE0,
+ MDIO_COMBO_IEEE0_MII_CONTROL,
+ &mii_control);
+ DP(NETIF_MSG_LINK,
+ "bnx2x_restart_autoneg mii_control before = 0x%x\n",
+ mii_control);
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_COMBO_IEEE0,
+ MDIO_COMBO_IEEE0_MII_CONTROL,
+ (mii_control |
+ MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
+ MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
+ }
+}
+
+static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u16 control1;
+
+ /* In SGMII mode, the unicore is always slave */
+
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_SERDES_DIGITAL,
+ MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
+ &control1);
+ control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
+ /* Set sgmii mode (and not fiber) */
+ control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
+ MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
+ MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_SERDES_DIGITAL,
+ MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
+ control1);
+
+ /* If forced speed */
+ if (!(vars->line_speed == SPEED_AUTO_NEG)) {
+ /* Set speed, disable autoneg */
+ u16 mii_control;
+
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_COMBO_IEEE0,
+ MDIO_COMBO_IEEE0_MII_CONTROL,
+ &mii_control);
+ mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
+ MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
+ MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
+
+ switch (vars->line_speed) {
+ case SPEED_100:
+ mii_control |=
+ MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
+ break;
+ case SPEED_1000:
+ mii_control |=
+ MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
+ break;
+ case SPEED_10:
+ /* There is nothing to set for 10M */
+ break;
+ default:
+ /* Invalid speed for SGMII */
+ DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
+ vars->line_speed);
+ break;
+ }
+
+ /* Setting the full duplex */
+ if (phy->req_duplex == DUPLEX_FULL)
+ mii_control |=
+ MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_COMBO_IEEE0,
+ MDIO_COMBO_IEEE0_MII_CONTROL,
+ mii_control);
+
+ } else { /* AN mode */
+ /* Enable and restart AN */
+ bnx2x_restart_autoneg(phy, params, 0);
+ }
+}
+
+/* Link management
+ */
+static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u16 pd_10g, status2_1000x;
+ if (phy->req_line_speed != SPEED_AUTO_NEG)
+ return 0;
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_SERDES_DIGITAL,
+ MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
+ &status2_1000x);
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_SERDES_DIGITAL,
+ MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
+ &status2_1000x);
+ if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
+ DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
+ params->port);
+ return 1;
+ }
+
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_10G_PARALLEL_DETECT,
+ MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
+ &pd_10g);
+
+ if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
+ DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
+ params->port);
+ return 1;
+ }
+ return 0;
+}
+
+static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars,
+ u32 gp_status)
+{
+ u16 ld_pause; /* local driver */
+ u16 lp_pause; /* link partner */
+ u16 pause_result;
+ struct bnx2x *bp = params->bp;
+ if ((gp_status &
+ (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
+ MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
+ (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
+ MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
+
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_CL73_IEEEB1,
+ MDIO_CL73_IEEEB1_AN_ADV1,
+ &ld_pause);
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_CL73_IEEEB1,
+ MDIO_CL73_IEEEB1_AN_LP_ADV1,
+ &lp_pause);
+ pause_result = (ld_pause &
+ MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
+ pause_result |= (lp_pause &
+ MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
+ DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
+ } else {
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_COMBO_IEEE0,
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
+ &ld_pause);
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_COMBO_IEEE0,
+ MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
+ &lp_pause);
+ pause_result = (ld_pause &
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
+ pause_result |= (lp_pause &
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
+ DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
+ }
+ bnx2x_pause_resolve(vars, pause_result);
+
+}
+
+static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars,
+ u32 gp_status)
+{
+ struct bnx2x *bp = params->bp;
+ vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
+
+ /* Resolve from gp_status in case of AN complete and not sgmii */
+ if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
+ /* Update the advertised flow-controled of LD/LP in AN */
+ if (phy->req_line_speed == SPEED_AUTO_NEG)
+ bnx2x_update_adv_fc(phy, params, vars, gp_status);
+ /* But set the flow-control result as the requested one */
+ vars->flow_ctrl = phy->req_flow_ctrl;
+ } else if (phy->req_line_speed != SPEED_AUTO_NEG)
+ vars->flow_ctrl = params->req_fc_auto_adv;
+ else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
+ (!(vars->phy_flags & PHY_SGMII_FLAG))) {
+ if (bnx2x_direct_parallel_detect_used(phy, params)) {
+ vars->flow_ctrl = params->req_fc_auto_adv;
+ return;
+ }
+ bnx2x_update_adv_fc(phy, params, vars, gp_status);
+ }
+ DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
+}
+
+static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u16 rx_status, ustat_val, cl37_fsm_received;
+ DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
+ /* Step 1: Make sure signal is detected */
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_RX0,
+ MDIO_RX0_RX_STATUS,
+ &rx_status);
+ if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
+ (MDIO_RX0_RX_STATUS_SIGDET)) {
+ DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
+ "rx_status(0x80b0) = 0x%x\n", rx_status);
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_CL73_IEEEB0,
+ MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
+ MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
+ return;
+ }
+ /* Step 2: Check CL73 state machine */
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_CL73_USERB0,
+ MDIO_CL73_USERB0_CL73_USTAT1,
+ &ustat_val);
+ if ((ustat_val &
+ (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
+ MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
+ (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
+ MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
+ DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
+ "ustat_val(0x8371) = 0x%x\n", ustat_val);
+ return;
+ }
+ /* Step 3: Check CL37 Message Pages received to indicate LP
+ * supports only CL37
+ */
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_REMOTE_PHY,
+ MDIO_REMOTE_PHY_MISC_RX_STATUS,
+ &cl37_fsm_received);
+ if ((cl37_fsm_received &
+ (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
+ MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
+ (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
+ MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
+ DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
+ "misc_rx_status(0x8330) = 0x%x\n",
+ cl37_fsm_received);
+ return;
+ }
+ /* The combined cl37/cl73 fsm state information indicating that
+ * we are connected to a device which does not support cl73, but
+ * does support cl37 BAM. In this case we disable cl73 and
+ * restart cl37 auto-neg
+ */
+
+ /* Disable CL73 */
+ CL22_WR_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_CL73_IEEEB0,
+ MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
+ 0);
+ /* Restart CL37 autoneg */
+ bnx2x_restart_autoneg(phy, params, 0);
+ DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
+}
+
+static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars,
+ u32 gp_status)
+{
+ if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
+ vars->link_status |=
+ LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
+
+ if (bnx2x_direct_parallel_detect_used(phy, params))
+ vars->link_status |=
+ LINK_STATUS_PARALLEL_DETECTION_USED;
+}
+static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars,
+ u16 is_link_up,
+ u16 speed_mask,
+ u16 is_duplex)
+{
+ struct bnx2x *bp = params->bp;
+ if (phy->req_line_speed == SPEED_AUTO_NEG)
+ vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
+ if (is_link_up) {
+ DP(NETIF_MSG_LINK, "phy link up\n");
+
+ vars->phy_link_up = 1;
+ vars->link_status |= LINK_STATUS_LINK_UP;
+
+ switch (speed_mask) {
+ case GP_STATUS_10M:
+ vars->line_speed = SPEED_10;
+ if (is_duplex == DUPLEX_FULL)
+ vars->link_status |= LINK_10TFD;
+ else
+ vars->link_status |= LINK_10THD;
+ break;
+
+ case GP_STATUS_100M:
+ vars->line_speed = SPEED_100;
+ if (is_duplex == DUPLEX_FULL)
+ vars->link_status |= LINK_100TXFD;
+ else
+ vars->link_status |= LINK_100TXHD;
+ break;
+
+ case GP_STATUS_1G:
+ case GP_STATUS_1G_KX:
+ vars->line_speed = SPEED_1000;
+ if (is_duplex == DUPLEX_FULL)
+ vars->link_status |= LINK_1000TFD;
+ else
+ vars->link_status |= LINK_1000THD;
+ break;
+
+ case GP_STATUS_2_5G:
+ vars->line_speed = SPEED_2500;
+ if (is_duplex == DUPLEX_FULL)
+ vars->link_status |= LINK_2500TFD;
+ else
+ vars->link_status |= LINK_2500THD;
+ break;
+
+ case GP_STATUS_5G:
+ case GP_STATUS_6G:
+ DP(NETIF_MSG_LINK,
+ "link speed unsupported gp_status 0x%x\n",
+ speed_mask);
+ return -EINVAL;
+
+ case GP_STATUS_10G_KX4:
+ case GP_STATUS_10G_HIG:
+ case GP_STATUS_10G_CX4:
+ case GP_STATUS_10G_KR:
+ case GP_STATUS_10G_SFI:
+ case GP_STATUS_10G_XFI:
+ vars->line_speed = SPEED_10000;
+ vars->link_status |= LINK_10GTFD;
+ break;
+ case GP_STATUS_20G_DXGXS:
+ case GP_STATUS_20G_KR2:
+ vars->line_speed = SPEED_20000;
+ vars->link_status |= LINK_20GTFD;
+ break;
+ default:
+ DP(NETIF_MSG_LINK,
+ "link speed unsupported gp_status 0x%x\n",
+ speed_mask);
+ return -EINVAL;
+ }
+ } else { /* link_down */
+ DP(NETIF_MSG_LINK, "phy link down\n");
+
+ vars->phy_link_up = 0;
+
+ vars->duplex = DUPLEX_FULL;
+ vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
+ vars->mac_type = MAC_TYPE_NONE;
+ }
+ DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
+ vars->phy_link_up, vars->line_speed);
+ return 0;
+}
+
+static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+
+ u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
+ int rc = 0;
+
+ /* Read gp_status */
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_GP_STATUS,
+ MDIO_GP_STATUS_TOP_AN_STATUS1,
+ &gp_status);
+ if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
+ duplex = DUPLEX_FULL;
+ if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
+ link_up = 1;
+ speed_mask = gp_status & GP_STATUS_SPEED_MASK;
+ DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
+ gp_status, link_up, speed_mask);
+ rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
+ duplex);
+ if (rc == -EINVAL)
+ return rc;
+
+ if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
+ if (SINGLE_MEDIA_DIRECT(params)) {
+ vars->duplex = duplex;
+ bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
+ if (phy->req_line_speed == SPEED_AUTO_NEG)
+ bnx2x_xgxs_an_resolve(phy, params, vars,
+ gp_status);
+ }
+ } else { /* Link_down */
+ if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
+ SINGLE_MEDIA_DIRECT(params)) {
+ /* Check signal is detected */
+ bnx2x_check_fallback_to_cl37(phy, params);
+ }
+ }
+
+ /* Read LP advertised speeds*/
+ if (SINGLE_MEDIA_DIRECT(params) &&
+ (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
+ u16 val;
+
+ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
+ MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
+
+ if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
+ if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
+ MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
+
+ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
+ MDIO_OVER_1G_LP_UP1, &val);
+
+ if (val & MDIO_OVER_1G_UP1_2_5G)
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
+ if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
+ }
+
+ DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
+ vars->duplex, vars->flow_ctrl, vars->link_status);
+ return rc;
+}
+
+static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u8 lane;
+ u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
+ int rc = 0;
+ lane = bnx2x_get_warpcore_lane(phy, params);
+ /* Read gp_status */
+ if ((params->loopback_mode) &&
+ (phy->flags & FLAGS_WC_DUAL_MODE)) {
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
+ link_up &= 0x1;
+ } else if ((phy->req_line_speed > SPEED_10000) &&
+ (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
+ u16 temp_link_up;
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ 1, &temp_link_up);
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ 1, &link_up);
+ DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
+ temp_link_up, link_up);
+ link_up &= (1<<2);
+ if (link_up)
+ bnx2x_ext_phy_resolve_fc(phy, params, vars);
+ } else {
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_GP2_STATUS_GP_2_1,
+ &gp_status1);
+ DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
+ /* Check for either KR, 1G, or AN up. */
+ link_up = ((gp_status1 >> 8) |
+ (gp_status1 >> 12) |
+ (gp_status1)) &
+ (1 << lane);
+ if (phy->supported & SUPPORTED_20000baseKR2_Full) {
+ u16 an_link;
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_STATUS, &an_link);
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_STATUS, &an_link);
+ link_up |= (an_link & (1<<2));
+ }
+ if (link_up && SINGLE_MEDIA_DIRECT(params)) {
+ u16 pd, gp_status4;
+ if (phy->req_line_speed == SPEED_AUTO_NEG) {
+ /* Check Autoneg complete */
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_GP2_STATUS_GP_2_4,
+ &gp_status4);
+ if (gp_status4 & ((1<<12)<<lane))
+ vars->link_status |=
+ LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
+
+ /* Check parallel detect used */
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_PAR_DET_10G_STATUS,
+ &pd);
+ if (pd & (1<<15))
+ vars->link_status |=
+ LINK_STATUS_PARALLEL_DETECTION_USED;
+ }
+ bnx2x_ext_phy_resolve_fc(phy, params, vars);
+ vars->duplex = duplex;
+ }
+ }
+
+ if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
+ SINGLE_MEDIA_DIRECT(params)) {
+ u16 val;
+
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_LP_AUTO_NEG2, &val);
+
+ if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
+ if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
+ MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
+
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
+
+ if (val & MDIO_OVER_1G_UP1_2_5G)
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
+ if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
+
+ }
+
+
+ if (lane < 2) {
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
+ } else {
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
+ }
+ DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
+
+ if ((lane & 1) == 0)
+ gp_speed <<= 8;
+ gp_speed &= 0x3f00;
+ link_up = !!link_up;
+
+ rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
+ duplex);
+
+ /* In case of KR link down, start up the recovering procedure */
+ if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
+ (!(phy->flags & FLAGS_WC_DUAL_MODE)))
+ vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
+
+ DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
+ vars->duplex, vars->flow_ctrl, vars->link_status);
+ return rc;
+}
+static void bnx2x_set_gmii_tx_driver(struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
+ u16 lp_up2;
+ u16 tx_driver;
+ u16 bank;
+
+ /* Read precomp */
+ CL22_RD_OVER_CL45(bp, phy,
+ MDIO_REG_BANK_OVER_1G,
+ MDIO_OVER_1G_LP_UP2, &lp_up2);
+
+ /* Bits [10:7] at lp_up2, positioned at [15:12] */
+ lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
+ MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
+ MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
+
+ if (lp_up2 == 0)
+ return;
+
+ for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
+ bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
+ CL22_RD_OVER_CL45(bp, phy,
+ bank,
+ MDIO_TX0_TX_DRIVER, &tx_driver);
+
+ /* Replace tx_driver bits [15:12] */
+ if (lp_up2 !=
+ (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
+ tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
+ tx_driver |= lp_up2;
+ CL22_WR_OVER_CL45(bp, phy,
+ bank,
+ MDIO_TX0_TX_DRIVER, tx_driver);
+ }
+ }
+}
+
+static int bnx2x_emac_program(struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u8 port = params->port;
+ u16 mode = 0;
+
+ DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
+ bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
+ EMAC_REG_EMAC_MODE,
+ (EMAC_MODE_25G_MODE |
+ EMAC_MODE_PORT_MII_10M |
+ EMAC_MODE_HALF_DUPLEX));
+ switch (vars->line_speed) {
+ case SPEED_10:
+ mode |= EMAC_MODE_PORT_MII_10M;
+ break;
+
+ case SPEED_100:
+ mode |= EMAC_MODE_PORT_MII;
+ break;
+
+ case SPEED_1000:
+ mode |= EMAC_MODE_PORT_GMII;
+ break;
+
+ case SPEED_2500:
+ mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
+ break;
+
+ default:
+ /* 10G not valid for EMAC */
+ DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
+ vars->line_speed);
+ return -EINVAL;
+ }
+
+ if (vars->duplex == DUPLEX_HALF)
+ mode |= EMAC_MODE_HALF_DUPLEX;
+ bnx2x_bits_en(bp,
+ GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
+ mode);
+
+ bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
+ return 0;
+}
+
+static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+
+ u16 bank, i = 0;
+ struct bnx2x *bp = params->bp;
+
+ for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
+ bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
+ CL22_WR_OVER_CL45(bp, phy,
+ bank,
+ MDIO_RX0_RX_EQ_BOOST,
+ phy->rx_preemphasis[i]);
+ }
+
+ for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
+ bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
+ CL22_WR_OVER_CL45(bp, phy,
+ bank,
+ MDIO_TX0_TX_DRIVER,
+ phy->tx_preemphasis[i]);
+ }
+}
+
+static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
+ (params->loopback_mode == LOOPBACK_XGXS));
+ if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
+ if (SINGLE_MEDIA_DIRECT(params) &&
+ (params->feature_config_flags &
+ FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
+ bnx2x_set_preemphasis(phy, params);
+
+ /* Forced speed requested? */
+ if (vars->line_speed != SPEED_AUTO_NEG ||
+ (SINGLE_MEDIA_DIRECT(params) &&
+ params->loopback_mode == LOOPBACK_EXT)) {
+ DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
+
+ /* Disable autoneg */
+ bnx2x_set_autoneg(phy, params, vars, 0);
+
+ /* Program speed and duplex */
+ bnx2x_program_serdes(phy, params, vars);
+
+ } else { /* AN_mode */
+ DP(NETIF_MSG_LINK, "not SGMII, AN\n");
+
+ /* AN enabled */
+ bnx2x_set_brcm_cl37_advertisement(phy, params);
+
+ /* Program duplex & pause advertisement (for aneg) */
+ bnx2x_set_ieee_aneg_advertisement(phy, params,
+ vars->ieee_fc);
+
+ /* Enable autoneg */
+ bnx2x_set_autoneg(phy, params, vars, enable_cl73);
+
+ /* Enable and restart AN */
+ bnx2x_restart_autoneg(phy, params, enable_cl73);
+ }
+
+ } else { /* SGMII mode */
+ DP(NETIF_MSG_LINK, "SGMII\n");
+
+ bnx2x_initialize_sgmii_process(phy, params, vars);
+ }
+}
+
+static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ int rc;
+ vars->phy_flags |= PHY_XGXS_FLAG;
+ if ((phy->req_line_speed &&
+ ((phy->req_line_speed == SPEED_100) ||
+ (phy->req_line_speed == SPEED_10))) ||
+ (!phy->req_line_speed &&
+ (phy->speed_cap_mask >=
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
+ (phy->speed_cap_mask <
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
+ (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
+ vars->phy_flags |= PHY_SGMII_FLAG;
+ else
+ vars->phy_flags &= ~PHY_SGMII_FLAG;
+
+ bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
+ bnx2x_set_aer_mmd(params, phy);
+ if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
+ bnx2x_set_master_ln(params, phy);
+
+ rc = bnx2x_reset_unicore(params, phy, 0);
+ /* Reset the SerDes and wait for reset bit return low */
+ if (rc)
+ return rc;
+
+ bnx2x_set_aer_mmd(params, phy);
+ /* Setting the masterLn_def again after the reset */
+ if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
+ bnx2x_set_master_ln(params, phy);
+ bnx2x_set_swap_lanes(params, phy);
+ }
+
+ return rc;
+}
+
+static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
+ struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ u16 cnt, ctrl;
+ /* Wait for soft reset to get cleared up to 1 sec */
+ for (cnt = 0; cnt < 1000; cnt++) {
+ if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
+ bnx2x_cl22_read(bp, phy,
+ MDIO_PMA_REG_CTRL, &ctrl);
+ else
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_CTRL, &ctrl);
+ if (!(ctrl & (1<<15)))
+ break;
+ usleep_range(1000, 2000);
+ }
+
+ if (cnt == 1000)
+ netdev_err(bp->dev, "Warning: PHY was not initialized,"
+ " Port %d\n",
+ params->port);
+ DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
+ return cnt;
+}
+
+static void bnx2x_link_int_enable(struct link_params *params)
+{
+ u8 port = params->port;
+ u32 mask;
+ struct bnx2x *bp = params->bp;
+
+ /* Setting the status to report on link up for either XGXS or SerDes */
+ if (CHIP_IS_E3(bp)) {
+ mask = NIG_MASK_XGXS0_LINK_STATUS;
+ if (!(SINGLE_MEDIA_DIRECT(params)))
+ mask |= NIG_MASK_MI_INT;
+ } else if (params->switch_cfg == SWITCH_CFG_10G) {
+ mask = (NIG_MASK_XGXS0_LINK10G |
+ NIG_MASK_XGXS0_LINK_STATUS);
+ DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
+ if (!(SINGLE_MEDIA_DIRECT(params)) &&
+ params->phy[INT_PHY].type !=
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
+ mask |= NIG_MASK_MI_INT;
+ DP(NETIF_MSG_LINK, "enabled external phy int\n");
+ }
+
+ } else { /* SerDes */
+ mask = NIG_MASK_SERDES0_LINK_STATUS;
+ DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
+ if (!(SINGLE_MEDIA_DIRECT(params)) &&
+ params->phy[INT_PHY].type !=
+ PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
+ mask |= NIG_MASK_MI_INT;
+ DP(NETIF_MSG_LINK, "enabled external phy int\n");
+ }
+ }
+ bnx2x_bits_en(bp,
+ NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
+ mask);
+
+ DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
+ (params->switch_cfg == SWITCH_CFG_10G),
+ REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
+ DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
+ REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
+ REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
+ REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
+ DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
+ REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
+ REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
+}
+
+static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
+ u8 exp_mi_int)
+{
+ u32 latch_status = 0;
+
+ /* Disable the MI INT ( external phy int ) by writing 1 to the
+ * status register. Link down indication is high-active-signal,
+ * so in this case we need to write the status to clear the XOR
+ */
+ /* Read Latched signals */
+ latch_status = REG_RD(bp,
+ NIG_REG_LATCH_STATUS_0 + port*8);
+ DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
+ /* Handle only those with latched-signal=up.*/
+ if (exp_mi_int)
+ bnx2x_bits_en(bp,
+ NIG_REG_STATUS_INTERRUPT_PORT0
+ + port*4,
+ NIG_STATUS_EMAC0_MI_INT);
+ else
+ bnx2x_bits_dis(bp,
+ NIG_REG_STATUS_INTERRUPT_PORT0
+ + port*4,
+ NIG_STATUS_EMAC0_MI_INT);
+
+ if (latch_status & 1) {
+
+ /* For all latched-signal=up : Re-Arm Latch signals */
+ REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
+ (latch_status & 0xfffe) | (latch_status & 1));
+ }
+ /* For all latched-signal=up,Write original_signal to status */
+}
+
+static void bnx2x_link_int_ack(struct link_params *params,
+ struct link_vars *vars, u8 is_10g_plus)
+{
+ struct bnx2x *bp = params->bp;
+ u8 port = params->port;
+ u32 mask;
+ /* First reset all status we assume only one line will be
+ * change at a time
+ */
+ bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
+ (NIG_STATUS_XGXS0_LINK10G |
+ NIG_STATUS_XGXS0_LINK_STATUS |
+ NIG_STATUS_SERDES0_LINK_STATUS));
+ if (vars->phy_link_up) {
+ if (USES_WARPCORE(bp))
+ mask = NIG_STATUS_XGXS0_LINK_STATUS;
+ else {
+ if (is_10g_plus)
+ mask = NIG_STATUS_XGXS0_LINK10G;
+ else if (params->switch_cfg == SWITCH_CFG_10G) {
+ /* Disable the link interrupt by writing 1 to
+ * the relevant lane in the status register
+ */
+ u32 ser_lane =
+ ((params->lane_config &
+ PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
+ PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
+ mask = ((1 << ser_lane) <<
+ NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
+ } else
+ mask = NIG_STATUS_SERDES0_LINK_STATUS;
+ }
+ DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
+ mask);
+ bnx2x_bits_en(bp,
+ NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
+ mask);
+ }
+}
+
+static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
+{
+ u8 *str_ptr = str;
+ u32 mask = 0xf0000000;
+ u8 shift = 8*4;
+ u8 digit;
+ u8 remove_leading_zeros = 1;
+ if (*len < 10) {
+ /* Need more than 10chars for this format */
+ *str_ptr = '\0';
+ (*len)--;
+ return -EINVAL;
+ }
+ while (shift > 0) {
+
+ shift -= 4;
+ digit = ((num & mask) >> shift);
+ if (digit == 0 && remove_leading_zeros) {
+ mask = mask >> 4;
+ continue;
+ } else if (digit < 0xa)
+ *str_ptr = digit + '0';
+ else
+ *str_ptr = digit - 0xa + 'a';
+ remove_leading_zeros = 0;
+ str_ptr++;
+ (*len)--;
+ mask = mask >> 4;
+ if (shift == 4*4) {
+ *str_ptr = '.';
+ str_ptr++;
+ (*len)--;
+ remove_leading_zeros = 1;
+ }
+ }
+ return 0;
+}
+
+
+static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
+{
+ str[0] = '\0';
+ (*len)--;
+ return 0;
+}
+
+int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
+ u16 len)
+{
+ struct bnx2x *bp;
+ u32 spirom_ver = 0;
+ int status = 0;
+ u8 *ver_p = version;
+ u16 remain_len = len;
+ if (version == NULL || params == NULL)
+ return -EINVAL;
+ bp = params->bp;
+
+ /* Extract first external phy*/
+ version[0] = '\0';
+ spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
+
+ if (params->phy[EXT_PHY1].format_fw_ver) {
+ status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
+ ver_p,
+ &remain_len);
+ ver_p += (len - remain_len);
+ }
+ if ((params->num_phys == MAX_PHYS) &&
+ (params->phy[EXT_PHY2].ver_addr != 0)) {
+ spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
+ if (params->phy[EXT_PHY2].format_fw_ver) {
+ *ver_p = '/';
+ ver_p++;
+ remain_len--;
+ status |= params->phy[EXT_PHY2].format_fw_ver(
+ spirom_ver,
+ ver_p,
+ &remain_len);
+ ver_p = version + (len - remain_len);
+ }
+ }
+ *ver_p = '\0';
+ return status;
+}
+
+static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ u8 port = params->port;
+ struct bnx2x *bp = params->bp;
+
+ if (phy->req_line_speed != SPEED_1000) {
+ u32 md_devad = 0;
+
+ DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
+
+ if (!CHIP_IS_E3(bp)) {
+ /* Change the uni_phy_addr in the nig */
+ md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
+ port*0x18));
+
+ REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
+ 0x5);
+ }
+
+ bnx2x_cl45_write(bp, phy,
+ 5,
+ (MDIO_REG_BANK_AER_BLOCK +
+ (MDIO_AER_BLOCK_AER_REG & 0xf)),
+ 0x2800);
+
+ bnx2x_cl45_write(bp, phy,
+ 5,
+ (MDIO_REG_BANK_CL73_IEEEB0 +
+ (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
+ 0x6041);
+ msleep(200);
+ /* Set aer mmd back */
+ bnx2x_set_aer_mmd(params, phy);
+
+ if (!CHIP_IS_E3(bp)) {
+ /* And md_devad */
+ REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
+ md_devad);
+ }
+ } else {
+ u16 mii_ctrl;
+ DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
+ bnx2x_cl45_read(bp, phy, 5,
+ (MDIO_REG_BANK_COMBO_IEEE0 +
+ (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
+ &mii_ctrl);
+ bnx2x_cl45_write(bp, phy, 5,
+ (MDIO_REG_BANK_COMBO_IEEE0 +
+ (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
+ mii_ctrl |
+ MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
+ }
+}
+
+int bnx2x_set_led(struct link_params *params,
+ struct link_vars *vars, u8 mode, u32 speed)
+{
+ u8 port = params->port;
+ u16 hw_led_mode = params->hw_led_mode;
+ int rc = 0;
+ u8 phy_idx;
+ u32 tmp;
+ u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
+ struct bnx2x *bp = params->bp;
+ DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
+ DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
+ speed, hw_led_mode);
+ /* In case */
+ for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
+ if (params->phy[phy_idx].set_link_led) {
+ params->phy[phy_idx].set_link_led(
+ ¶ms->phy[phy_idx], params, mode);
+ }
+ }
+
+ switch (mode) {
+ case LED_MODE_FRONT_PANEL_OFF:
+ case LED_MODE_OFF:
+ REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
+ REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
+ SHARED_HW_CFG_LED_MAC1);
+
+ tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
+ if (params->phy[EXT_PHY1].type ==
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
+ tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
+ EMAC_LED_100MB_OVERRIDE |
+ EMAC_LED_10MB_OVERRIDE);
+ else
+ tmp |= EMAC_LED_OVERRIDE;
+
+ EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
+ break;
+
+ case LED_MODE_OPER:
+ /* For all other phys, OPER mode is same as ON, so in case
+ * link is down, do nothing
+ */
+ if (!vars->link_up)
+ break;
+ case LED_MODE_ON:
+ if (((params->phy[EXT_PHY1].type ==
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
+ (params->phy[EXT_PHY1].type ==
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
+ CHIP_IS_E2(bp) && params->num_phys == 2) {
+ /* This is a work-around for E2+8727 Configurations */
+ if (mode == LED_MODE_ON ||
+ speed == SPEED_10000){
+ REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
+ REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
+
+ tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
+ EMAC_WR(bp, EMAC_REG_EMAC_LED,
+ (tmp | EMAC_LED_OVERRIDE));
+ /* Return here without enabling traffic
+ * LED blink and setting rate in ON mode.
+ * In oper mode, enabling LED blink
+ * and setting rate is needed.
+ */
+ if (mode == LED_MODE_ON)
+ return rc;
+ }
+ } else if (SINGLE_MEDIA_DIRECT(params)) {
+ /* This is a work-around for HW issue found when link
+ * is up in CL73
+ */
+ if ((!CHIP_IS_E3(bp)) ||
+ (CHIP_IS_E3(bp) &&
+ mode == LED_MODE_ON))
+ REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
+
+ if (CHIP_IS_E1x(bp) ||
+ CHIP_IS_E2(bp) ||
+ (mode == LED_MODE_ON))
+ REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
+ else
+ REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
+ hw_led_mode);
+ } else if ((params->phy[EXT_PHY1].type ==
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
+ (mode == LED_MODE_ON)) {
+ REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
+ tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
+ EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
+ EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
+ /* Break here; otherwise, it'll disable the
+ * intended override.
+ */
+ break;
+ } else {
+ u32 nig_led_mode = ((params->hw_led_mode <<
+ SHARED_HW_CFG_LED_MODE_SHIFT) ==
+ SHARED_HW_CFG_LED_EXTPHY2) ?
+ (SHARED_HW_CFG_LED_PHY1 >>
+ SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
+ REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
+ nig_led_mode);
+ }
+
+ REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
+ /* Set blinking rate to ~15.9Hz */
+ if (CHIP_IS_E3(bp))
+ REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
+ LED_BLINK_RATE_VAL_E3);
+ else
+ REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
+ LED_BLINK_RATE_VAL_E1X_E2);
+ REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
+ port*4, 1);
+ tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
+ EMAC_WR(bp, EMAC_REG_EMAC_LED,
+ (tmp & (~EMAC_LED_OVERRIDE)));
+
+ if (CHIP_IS_E1(bp) &&
+ ((speed == SPEED_2500) ||
+ (speed == SPEED_1000) ||
+ (speed == SPEED_100) ||
+ (speed == SPEED_10))) {
+ /* For speeds less than 10G LED scheme is different */
+ REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
+ + port*4, 1);
+ REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
+ port*4, 0);
+ REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
+ port*4, 1);
+ }
+ break;
+
+ default:
+ rc = -EINVAL;
+ DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
+ mode);
+ break;
+ }
+ return rc;
+
+}
+
+/* This function comes to reflect the actual link state read DIRECTLY from the
+ * HW
+ */
+int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
+ u8 is_serdes)
+{
+ struct bnx2x *bp = params->bp;
+ u16 gp_status = 0, phy_index = 0;
+ u8 ext_phy_link_up = 0, serdes_phy_type;
+ struct link_vars temp_vars;
+ struct bnx2x_phy *int_phy = ¶ms->phy[INT_PHY];
+
+ if (CHIP_IS_E3(bp)) {
+ u16 link_up;
+ if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
+ > SPEED_10000) {
+ /* Check 20G link */
+ bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
+ 1, &link_up);
+ bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
+ 1, &link_up);
+ link_up &= (1<<2);
+ } else {
+ /* Check 10G link and below*/
+ u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
+ bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_GP2_STATUS_GP_2_1,
+ &gp_status);
+ gp_status = ((gp_status >> 8) & 0xf) |
+ ((gp_status >> 12) & 0xf);
+ link_up = gp_status & (1 << lane);
+ }
+ if (!link_up)
+ return -ESRCH;
+ } else {
+ CL22_RD_OVER_CL45(bp, int_phy,
+ MDIO_REG_BANK_GP_STATUS,
+ MDIO_GP_STATUS_TOP_AN_STATUS1,
+ &gp_status);
+ /* Link is up only if both local phy and external phy are up */
+ if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
+ return -ESRCH;
+ }
+ /* In XGXS loopback mode, do not check external PHY */
+ if (params->loopback_mode == LOOPBACK_XGXS)
+ return 0;
+
+ switch (params->num_phys) {
+ case 1:
+ /* No external PHY */
+ return 0;
+ case 2:
+ ext_phy_link_up = params->phy[EXT_PHY1].read_status(
+ ¶ms->phy[EXT_PHY1],
+ params, &temp_vars);
+ break;
+ case 3: /* Dual Media */
+ for (phy_index = EXT_PHY1; phy_index < params->num_phys;
+ phy_index++) {
+ serdes_phy_type = ((params->phy[phy_index].media_type ==
+ ETH_PHY_SFPP_10G_FIBER) ||
+ (params->phy[phy_index].media_type ==
+ ETH_PHY_SFP_1G_FIBER) ||
+ (params->phy[phy_index].media_type ==
+ ETH_PHY_XFP_FIBER) ||
+ (params->phy[phy_index].media_type ==
+ ETH_PHY_DA_TWINAX));
+
+ if (is_serdes != serdes_phy_type)
+ continue;
+ if (params->phy[phy_index].read_status) {
+ ext_phy_link_up |=
+ params->phy[phy_index].read_status(
+ ¶ms->phy[phy_index],
+ params, &temp_vars);
+ }
+ }
+ break;
+ }
+ if (ext_phy_link_up)
+ return 0;
+ return -ESRCH;
+}
+
+static int bnx2x_link_initialize(struct link_params *params,
+ struct link_vars *vars)
+{
+ u8 phy_index, non_ext_phy;
+ struct bnx2x *bp = params->bp;
+ /* In case of external phy existence, the line speed would be the
+ * line speed linked up by the external phy. In case it is direct
+ * only, then the line_speed during initialization will be
+ * equal to the req_line_speed
+ */
+ vars->line_speed = params->phy[INT_PHY].req_line_speed;
+
+ /* Initialize the internal phy in case this is a direct board
+ * (no external phys), or this board has external phy which requires
+ * to first.
+ */
+ if (!USES_WARPCORE(bp))
+ bnx2x_prepare_xgxs(¶ms->phy[INT_PHY], params, vars);
+ /* init ext phy and enable link state int */
+ non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
+ (params->loopback_mode == LOOPBACK_XGXS));
+
+ if (non_ext_phy ||
+ (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
+ (params->loopback_mode == LOOPBACK_EXT_PHY)) {
+ struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
+ if (vars->line_speed == SPEED_AUTO_NEG &&
+ (CHIP_IS_E1x(bp) ||
+ CHIP_IS_E2(bp)))
+ bnx2x_set_parallel_detection(phy, params);
+ if (params->phy[INT_PHY].config_init)
+ params->phy[INT_PHY].config_init(phy, params, vars);
+ }
+
+ /* Re-read this value in case it was changed inside config_init due to
+ * limitations of optic module
+ */
+ vars->line_speed = params->phy[INT_PHY].req_line_speed;
+
+ /* Init external phy*/
+ if (non_ext_phy) {
+ if (params->phy[INT_PHY].supported &
+ SUPPORTED_FIBRE)
+ vars->link_status |= LINK_STATUS_SERDES_LINK;
+ } else {
+ for (phy_index = EXT_PHY1; phy_index < params->num_phys;
+ phy_index++) {
+ /* No need to initialize second phy in case of first
+ * phy only selection. In case of second phy, we do
+ * need to initialize the first phy, since they are
+ * connected.
+ */
+ if (params->phy[phy_index].supported &
+ SUPPORTED_FIBRE)
+ vars->link_status |= LINK_STATUS_SERDES_LINK;
+
+ if (phy_index == EXT_PHY2 &&
+ (bnx2x_phy_selection(params) ==
+ PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
+ DP(NETIF_MSG_LINK,
+ "Not initializing second phy\n");
+ continue;
+ }
+ params->phy[phy_index].config_init(
+ ¶ms->phy[phy_index],
+ params, vars);
+ }
+ }
+ /* Reset the interrupt indication after phy was initialized */
+ bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
+ params->port*4,
+ (NIG_STATUS_XGXS0_LINK10G |
+ NIG_STATUS_XGXS0_LINK_STATUS |
+ NIG_STATUS_SERDES0_LINK_STATUS |
+ NIG_MASK_MI_INT));
+ return 0;
+}
+
+static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ /* Reset the SerDes/XGXS */
+ REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
+ (0x1ff << (params->port*16)));
+}
+
+static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u8 gpio_port;
+ /* HW reset */
+ if (CHIP_IS_E2(bp))
+ gpio_port = BP_PATH(bp);
+ else
+ gpio_port = params->port;
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
+ MISC_REGISTERS_GPIO_OUTPUT_LOW,
+ gpio_port);
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
+ MISC_REGISTERS_GPIO_OUTPUT_LOW,
+ gpio_port);
+ DP(NETIF_MSG_LINK, "reset external PHY\n");
+}
+
+static int bnx2x_update_link_down(struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u8 port = params->port;
+
+ DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
+ bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
+ vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
+ /* Indicate no mac active */
+ vars->mac_type = MAC_TYPE_NONE;
+
+ /* Update shared memory */
+ vars->link_status &= ~LINK_UPDATE_MASK;
+ vars->line_speed = 0;
+ bnx2x_update_mng(params, vars->link_status);
+
+ /* Activate nig drain */
+ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
+
+ /* Disable emac */
+ if (!CHIP_IS_E3(bp))
+ REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
+
+ usleep_range(10000, 20000);
+ /* Reset BigMac/Xmac */
+ if (CHIP_IS_E1x(bp) ||
+ CHIP_IS_E2(bp))
+ bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
+
+ if (CHIP_IS_E3(bp)) {
+ /* Prevent LPI Generation by chip */
+ REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
+ 0);
+ REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
+ 0);
+ vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
+ SHMEM_EEE_ACTIVE_BIT);
+
+ bnx2x_update_mng_eee(params, vars->eee_status);
+ bnx2x_set_xmac_rxtx(params, 0);
+ bnx2x_set_umac_rxtx(params, 0);
+ }
+
+ return 0;
+}
+
+static int bnx2x_update_link_up(struct link_params *params,
+ struct link_vars *vars,
+ u8 link_10g)
+{
+ struct bnx2x *bp = params->bp;
+ u8 phy_idx, port = params->port;
+ int rc = 0;
+
+ vars->link_status |= (LINK_STATUS_LINK_UP |
+ LINK_STATUS_PHYSICAL_LINK_FLAG);
+ vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
+
+ if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
+ vars->link_status |=
+ LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
+
+ if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
+ vars->link_status |=
+ LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
+ if (USES_WARPCORE(bp)) {
+ if (link_10g) {
+ if (bnx2x_xmac_enable(params, vars, 0) ==
+ -ESRCH) {
+ DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
+ vars->link_up = 0;
+ vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
+ vars->link_status &= ~LINK_STATUS_LINK_UP;
+ }
+ } else
+ bnx2x_umac_enable(params, vars, 0);
+ bnx2x_set_led(params, vars,
+ LED_MODE_OPER, vars->line_speed);
+
+ if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
+ (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
+ DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
+ REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
+ (params->port << 2), 1);
+ REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
+ REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
+ (params->port << 2), 0xfc20);
+ }
+ }
+ if ((CHIP_IS_E1x(bp) ||
+ CHIP_IS_E2(bp))) {
+ if (link_10g) {
+ if (bnx2x_bmac_enable(params, vars, 0, 1) ==
+ -ESRCH) {
+ DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
+ vars->link_up = 0;
+ vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
+ vars->link_status &= ~LINK_STATUS_LINK_UP;
+ }
+
+ bnx2x_set_led(params, vars,
+ LED_MODE_OPER, SPEED_10000);
+ } else {
+ rc = bnx2x_emac_program(params, vars);
+ bnx2x_emac_enable(params, vars, 0);
+
+ /* AN complete? */
+ if ((vars->link_status &
+ LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
+ && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
+ SINGLE_MEDIA_DIRECT(params))
+ bnx2x_set_gmii_tx_driver(params);
+ }
+ }
+
+ /* PBF - link up */
+ if (CHIP_IS_E1x(bp))
+ rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
+ vars->line_speed);
+
+ /* Disable drain */
+ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
+
+ /* Update shared memory */
+ bnx2x_update_mng(params, vars->link_status);
+ bnx2x_update_mng_eee(params, vars->eee_status);
+ /* Check remote fault */
+ for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
+ if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
+ bnx2x_check_half_open_conn(params, vars, 0);
+ break;
+ }
+ }
+ msleep(20);
+ return rc;
+}
+
+static void bnx2x_chng_link_count(struct link_params *params, bool clear)
+{
+ struct bnx2x *bp = params->bp;
+ u32 addr, val;
+
+ /* Verify the link_change_count is supported by the MFW */
+ if (!(SHMEM2_HAS(bp, link_change_count)))
+ return;
+
+ addr = params->shmem2_base +
+ offsetof(struct shmem2_region, link_change_count[params->port]);
+ if (clear)
+ val = 0;
+ else
+ val = REG_RD(bp, addr) + 1;
+ REG_WR(bp, addr, val);
+}
+
+/* The bnx2x_link_update function should be called upon link
+ * interrupt.
+ * Link is considered up as follows:
+ * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
+ * to be up
+ * - SINGLE_MEDIA - The link between the 577xx and the external
+ * phy (XGXS) need to up as well as the external link of the
+ * phy (PHY_EXT1)
+ * - DUAL_MEDIA - The link between the 577xx and the first
+ * external phy needs to be up, and at least one of the 2
+ * external phy link must be up.
+ */
+int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ struct link_vars phy_vars[MAX_PHYS];
+ u8 port = params->port;
+ u8 link_10g_plus, phy_index;
+ u32 prev_link_status = vars->link_status;
+ u8 ext_phy_link_up = 0, cur_link_up;
+ int rc = 0;
+ u8 is_mi_int = 0;
+ u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
+ u8 active_external_phy = INT_PHY;
+ vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
+ vars->link_status &= ~LINK_UPDATE_MASK;
+ for (phy_index = INT_PHY; phy_index < params->num_phys;
+ phy_index++) {
+ phy_vars[phy_index].flow_ctrl = 0;
+ phy_vars[phy_index].link_status = 0;
+ phy_vars[phy_index].line_speed = 0;
+ phy_vars[phy_index].duplex = DUPLEX_FULL;
+ phy_vars[phy_index].phy_link_up = 0;
+ phy_vars[phy_index].link_up = 0;
+ phy_vars[phy_index].fault_detected = 0;
+ /* different consideration, since vars holds inner state */
+ phy_vars[phy_index].eee_status = vars->eee_status;
+ }
+
+ if (USES_WARPCORE(bp))
+ bnx2x_set_aer_mmd(params, ¶ms->phy[INT_PHY]);
+
+ DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
+ port, (vars->phy_flags & PHY_XGXS_FLAG),
+ REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
+
+ is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
+ port*0x18) > 0);
+ DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
+ REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
+ is_mi_int,
+ REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
+
+ DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
+ REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
+ REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
+
+ /* Disable emac */
+ if (!CHIP_IS_E3(bp))
+ REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
+
+ /* Step 1:
+ * Check external link change only for external phys, and apply
+ * priority selection between them in case the link on both phys
+ * is up. Note that instead of the common vars, a temporary
+ * vars argument is used since each phy may have different link/
+ * speed/duplex result
+ */
+ for (phy_index = EXT_PHY1; phy_index < params->num_phys;
+ phy_index++) {
+ struct bnx2x_phy *phy = ¶ms->phy[phy_index];
+ if (!phy->read_status)
+ continue;
+ /* Read link status and params of this ext phy */
+ cur_link_up = phy->read_status(phy, params,
+ &phy_vars[phy_index]);
+ if (cur_link_up) {
+ DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
+ phy_index);
+ } else {
+ DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
+ phy_index);
+ continue;
+ }
+
+ if (!ext_phy_link_up) {
+ ext_phy_link_up = 1;
+ active_external_phy = phy_index;
+ } else {
+ switch (bnx2x_phy_selection(params)) {
+ case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
+ case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
+ /* In this option, the first PHY makes sure to pass the
+ * traffic through itself only.
+ * Its not clear how to reset the link on the second phy
+ */
+ active_external_phy = EXT_PHY1;
+ break;
+ case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
+ /* In this option, the first PHY makes sure to pass the
+ * traffic through the second PHY.
+ */
+ active_external_phy = EXT_PHY2;
+ break;
+ default:
+ /* Link indication on both PHYs with the following cases
+ * is invalid:
+ * - FIRST_PHY means that second phy wasn't initialized,
+ * hence its link is expected to be down
+ * - SECOND_PHY means that first phy should not be able
+ * to link up by itself (using configuration)
+ * - DEFAULT should be overriden during initialiazation
+ */
+ DP(NETIF_MSG_LINK, "Invalid link indication"
+ "mpc=0x%x. DISABLING LINK !!!\n",
+ params->multi_phy_config);
+ ext_phy_link_up = 0;
+ break;
+ }
+ }
+ }
+ prev_line_speed = vars->line_speed;
+ /* Step 2:
+ * Read the status of the internal phy. In case of
+ * DIRECT_SINGLE_MEDIA board, this link is the external link,
+ * otherwise this is the link between the 577xx and the first
+ * external phy
+ */
+ if (params->phy[INT_PHY].read_status)
+ params->phy[INT_PHY].read_status(
+ ¶ms->phy[INT_PHY],
+ params, vars);
+ /* The INT_PHY flow control reside in the vars. This include the
+ * case where the speed or flow control are not set to AUTO.
+ * Otherwise, the active external phy flow control result is set
+ * to the vars. The ext_phy_line_speed is needed to check if the
+ * speed is different between the internal phy and external phy.
+ * This case may be result of intermediate link speed change.
+ */
+ if (active_external_phy > INT_PHY) {
+ vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
+ /* Link speed is taken from the XGXS. AN and FC result from
+ * the external phy.
+ */
+ vars->link_status |= phy_vars[active_external_phy].link_status;
+
+ /* if active_external_phy is first PHY and link is up - disable
+ * disable TX on second external PHY
+ */
+ if (active_external_phy == EXT_PHY1) {
+ if (params->phy[EXT_PHY2].phy_specific_func) {
+ DP(NETIF_MSG_LINK,
+ "Disabling TX on EXT_PHY2\n");
+ params->phy[EXT_PHY2].phy_specific_func(
+ ¶ms->phy[EXT_PHY2],
+ params, DISABLE_TX);
+ }
+ }
+
+ ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
+ vars->duplex = phy_vars[active_external_phy].duplex;
+ if (params->phy[active_external_phy].supported &
+ SUPPORTED_FIBRE)
+ vars->link_status |= LINK_STATUS_SERDES_LINK;
+ else
+ vars->link_status &= ~LINK_STATUS_SERDES_LINK;
+
+ vars->eee_status = phy_vars[active_external_phy].eee_status;
+
+ DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
+ active_external_phy);
+ }
+
+ for (phy_index = EXT_PHY1; phy_index < params->num_phys;
+ phy_index++) {
+ if (params->phy[phy_index].flags &
+ FLAGS_REARM_LATCH_SIGNAL) {
+ bnx2x_rearm_latch_signal(bp, port,
+ phy_index ==
+ active_external_phy);
+ break;
+ }
+ }
+ DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
+ " ext_phy_line_speed = %d\n", vars->flow_ctrl,
+ vars->link_status, ext_phy_line_speed);
+ /* Upon link speed change set the NIG into drain mode. Comes to
+ * deals with possible FIFO glitch due to clk change when speed
+ * is decreased without link down indicator
+ */
+
+ if (vars->phy_link_up) {
+ if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
+ (ext_phy_line_speed != vars->line_speed)) {
+ DP(NETIF_MSG_LINK, "Internal link speed %d is"
+ " different than the external"
+ " link speed %d\n", vars->line_speed,
+ ext_phy_line_speed);
+ vars->phy_link_up = 0;
+ } else if (prev_line_speed != vars->line_speed) {
+ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
+ 0);
+ usleep_range(1000, 2000);
+ }
+ }
+
+ /* Anything 10 and over uses the bmac */
+ link_10g_plus = (vars->line_speed >= SPEED_10000);
+
+ bnx2x_link_int_ack(params, vars, link_10g_plus);
+
+ /* In case external phy link is up, and internal link is down
+ * (not initialized yet probably after link initialization, it
+ * needs to be initialized.
+ * Note that after link down-up as result of cable plug, the xgxs
+ * link would probably become up again without the need
+ * initialize it
+ */
+ if (!(SINGLE_MEDIA_DIRECT(params))) {
+ DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
+ " init_preceding = %d\n", ext_phy_link_up,
+ vars->phy_link_up,
+ params->phy[EXT_PHY1].flags &
+ FLAGS_INIT_XGXS_FIRST);
+ if (!(params->phy[EXT_PHY1].flags &
+ FLAGS_INIT_XGXS_FIRST)
+ && ext_phy_link_up && !vars->phy_link_up) {
+ vars->line_speed = ext_phy_line_speed;
+ if (vars->line_speed < SPEED_1000)
+ vars->phy_flags |= PHY_SGMII_FLAG;
+ else
+ vars->phy_flags &= ~PHY_SGMII_FLAG;
+
+ if (params->phy[INT_PHY].config_init)
+ params->phy[INT_PHY].config_init(
+ ¶ms->phy[INT_PHY], params,
+ vars);
+ }
+ }
+ /* Link is up only if both local phy and external phy (in case of
+ * non-direct board) are up and no fault detected on active PHY.
+ */
+ vars->link_up = (vars->phy_link_up &&
+ (ext_phy_link_up ||
+ SINGLE_MEDIA_DIRECT(params)) &&
+ (phy_vars[active_external_phy].fault_detected == 0));
+
+ /* Update the PFC configuration in case it was changed */
+ if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
+ vars->link_status |= LINK_STATUS_PFC_ENABLED;
+ else
+ vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
+
+ if (vars->link_up)
+ rc = bnx2x_update_link_up(params, vars, link_10g_plus);
+ else
+ rc = bnx2x_update_link_down(params, vars);
+
+ if ((prev_link_status ^ vars->link_status) & LINK_STATUS_LINK_UP)
+ bnx2x_chng_link_count(params, false);
+
+ /* Update MCP link status was changed */
+ if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
+ bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
+
+ return rc;
+}
+
+/*****************************************************************************/
+/* External Phy section */
+/*****************************************************************************/
+void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
+{
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
+ MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
+ usleep_range(1000, 2000);
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
+ MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
+}
+
+static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
+ u32 spirom_ver, u32 ver_addr)
+{
+ DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
+ (u16)(spirom_ver>>16), (u16)spirom_ver, port);
+
+ if (ver_addr)
+ REG_WR(bp, ver_addr, spirom_ver);
+}
+
+static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
+ struct bnx2x_phy *phy,
+ u8 port)
+{
+ u16 fw_ver1, fw_ver2;
+
+ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_ROM_VER1, &fw_ver1);
+ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_ROM_VER2, &fw_ver2);
+ bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
+ phy->ver_addr);
+}
+
+static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
+ struct bnx2x_phy *phy,
+ struct link_vars *vars)
+{
+ u16 val;
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_STATUS, &val);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_STATUS, &val);
+ if (val & (1<<5))
+ vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
+ if ((val & (1<<0)) == 0)
+ vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
+}
+
+/******************************************************************/
+/* common BCM8073/BCM8727 PHY SECTION */
+/******************************************************************/
+static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ if (phy->req_line_speed == SPEED_10 ||
+ phy->req_line_speed == SPEED_100) {
+ vars->flow_ctrl = phy->req_flow_ctrl;
+ return;
+ }
+
+ if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
+ (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
+ u16 pause_result;
+ u16 ld_pause; /* local */
+ u16 lp_pause; /* link partner */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_CL37_FC_LD, &ld_pause);
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_CL37_FC_LP, &lp_pause);
+ pause_result = (ld_pause &
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
+ pause_result |= (lp_pause &
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
+
+ bnx2x_pause_resolve(vars, pause_result);
+ DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
+ pause_result);
+ }
+}
+static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
+ struct bnx2x_phy *phy,
+ u8 port)
+{
+ u32 count = 0;
+ u16 fw_ver1, fw_msgout;
+ int rc = 0;
+
+ /* Boot port from external ROM */
+ /* EDC grst */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_GEN_CTRL,
+ 0x0001);
+
+ /* Ucode reboot and rst */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_GEN_CTRL,
+ 0x008c);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_MISC_CTRL1, 0x0001);
+
+ /* Reset internal microprocessor */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_GEN_CTRL,
+ MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
+
+ /* Release srst bit */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_GEN_CTRL,
+ MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
+
+ /* Delay 100ms per the PHY specifications */
+ msleep(100);
+
+ /* 8073 sometimes taking longer to download */
+ do {
+ count++;
+ if (count > 300) {
+ DP(NETIF_MSG_LINK,
+ "bnx2x_8073_8727_external_rom_boot port %x:"
+ "Download failed. fw version = 0x%x\n",
+ port, fw_ver1);
+ rc = -EINVAL;
+ break;
+ }
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_ROM_VER1, &fw_ver1);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
+
+ usleep_range(1000, 2000);
+ } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
+ ((fw_msgout & 0xff) != 0x03 && (phy->type ==
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
+
+ /* Clear ser_boot_ctl bit */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_MISC_CTRL1, 0x0000);
+ bnx2x_save_bcm_spirom_ver(bp, phy, port);
+
+ DP(NETIF_MSG_LINK,
+ "bnx2x_8073_8727_external_rom_boot port %x:"
+ "Download complete. fw version = 0x%x\n",
+ port, fw_ver1);
+
+ return rc;
+}
+
+/******************************************************************/
+/* BCM8073 PHY SECTION */
+/******************************************************************/
+static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
+{
+ /* This is only required for 8073A1, version 102 only */
+ u16 val;
+
+ /* Read 8073 HW revision*/
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8073_CHIP_REV, &val);
+
+ if (val != 1) {
+ /* No need to workaround in 8073 A1 */
+ return 0;
+ }
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_ROM_VER2, &val);
+
+ /* SNR should be applied only for version 0x102 */
+ if (val != 0x102)
+ return 0;
+
+ return 1;
+}
+
+static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
+{
+ u16 val, cnt, cnt1 ;
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8073_CHIP_REV, &val);
+
+ if (val > 0) {
+ /* No need to workaround in 8073 A1 */
+ return 0;
+ }
+ /* XAUI workaround in 8073 A0: */
+
+ /* After loading the boot ROM and restarting Autoneg, poll
+ * Dev1, Reg $C820:
+ */
+
+ for (cnt = 0; cnt < 1000; cnt++) {
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
+ &val);
+ /* If bit [14] = 0 or bit [13] = 0, continue on with
+ * system initialization (XAUI work-around not required, as
+ * these bits indicate 2.5G or 1G link up).
+ */
+ if (!(val & (1<<14)) || !(val & (1<<13))) {
+ DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
+ return 0;
+ } else if (!(val & (1<<15))) {
+ DP(NETIF_MSG_LINK, "bit 15 went off\n");
+ /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
+ * MSB (bit15) goes to 1 (indicating that the XAUI
+ * workaround has completed), then continue on with
+ * system initialization.
+ */
+ for (cnt1 = 0; cnt1 < 1000; cnt1++) {
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8073_XAUI_WA, &val);
+ if (val & (1<<15)) {
+ DP(NETIF_MSG_LINK,
+ "XAUI workaround has completed\n");
+ return 0;
+ }
+ usleep_range(3000, 6000);
+ }
+ break;
+ }
+ usleep_range(3000, 6000);
+ }
+ DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
+ return -EINVAL;
+}
+
+static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
+{
+ /* Force KR or KX */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
+}
+
+static void bnx2x_8073_set_pause_cl37(struct link_params *params,
+ struct bnx2x_phy *phy,
+ struct link_vars *vars)
+{
+ u16 cl37_val;
+ struct bnx2x *bp = params->bp;
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
+
+ cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
+ /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
+ bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
+ if ((vars->ieee_fc &
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
+ cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
+ }
+ if ((vars->ieee_fc &
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
+ cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
+ }
+ if ((vars->ieee_fc &
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
+ cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
+ }
+ DP(NETIF_MSG_LINK,
+ "Ext phy AN advertize cl37 0x%x\n", cl37_val);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
+ msleep(500);
+}
+
+static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u32 action)
+{
+ struct bnx2x *bp = params->bp;
+ switch (action) {
+ case PHY_INIT:
+ /* Enable LASI */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
+ break;
+ }
+}
+
+static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u16 val = 0, tmp1;
+ u8 gpio_port;
+ DP(NETIF_MSG_LINK, "Init 8073\n");
+
+ if (CHIP_IS_E2(bp))
+ gpio_port = BP_PATH(bp);
+ else
+ gpio_port = params->port;
+ /* Restore normal power mode*/
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
+ MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
+
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
+ MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
+
+ bnx2x_8073_specific_func(phy, params, PHY_INIT);
+ bnx2x_8073_set_pause_cl37(params, phy, vars);
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
+
+ DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
+
+ /* Swap polarity if required - Must be done only in non-1G mode */
+ if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
+ /* Configure the 8073 to swap _P and _N of the KR lines */
+ DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
+ /* 10G Rx/Tx and 1G Tx signal polarity swap */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
+ (val | (3<<9)));
+ }
+
+
+ /* Enable CL37 BAM */
+ if (REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region, dev_info.
+ port_hw_config[params->port].default_cfg)) &
+ PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8073_BAM, &val);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8073_BAM, val | 1);
+ DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
+ }
+ if (params->loopback_mode == LOOPBACK_EXT) {
+ bnx2x_807x_force_10G(bp, phy);
+ DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
+ return 0;
+ } else {
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
+ }
+ if (phy->req_line_speed != SPEED_AUTO_NEG) {
+ if (phy->req_line_speed == SPEED_10000) {
+ val = (1<<7);
+ } else if (phy->req_line_speed == SPEED_2500) {
+ val = (1<<5);
+ /* Note that 2.5G works only when used with 1G
+ * advertisement
+ */
+ } else
+ val = (1<<5);
+ } else {
+ val = 0;
+ if (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
+ val |= (1<<7);
+
+ /* Note that 2.5G works only when used with 1G advertisement */
+ if (phy->speed_cap_mask &
+ (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
+ val |= (1<<5);
+ DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
+ }
+
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
+
+ if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
+ (phy->req_line_speed == SPEED_AUTO_NEG)) ||
+ (phy->req_line_speed == SPEED_2500)) {
+ u16 phy_ver;
+ /* Allow 2.5G for A1 and above */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
+ &phy_ver);
+ DP(NETIF_MSG_LINK, "Add 2.5G\n");
+ if (phy_ver > 0)
+ tmp1 |= 1;
+ else
+ tmp1 &= 0xfffe;
+ } else {
+ DP(NETIF_MSG_LINK, "Disable 2.5G\n");
+ tmp1 &= 0xfffe;
+ }
+
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
+ /* Add support for CL37 (passive mode) II */
+
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
+ (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
+ 0x20 : 0x40)));
+
+ /* Add support for CL37 (passive mode) III */
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
+
+ /* The SNR will improve about 2db by changing BW and FEE main
+ * tap. Rest commands are executed after link is up
+ * Change FFE main cursor to 5 in EDC register
+ */
+ if (bnx2x_8073_is_snr_needed(bp, phy))
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
+ 0xFB0C);
+
+ /* Enable FEC (Forware Error Correction) Request in the AN */
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
+ tmp1 |= (1<<15);
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
+
+ bnx2x_ext_phy_set_pause(params, phy, vars);
+
+ /* Restart autoneg */
+ msleep(500);
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
+ DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
+ ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
+ return 0;
+}
+
+static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u8 link_up = 0;
+ u16 val1, val2;
+ u16 link_status = 0;
+ u16 an1000_status = 0;
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
+
+ DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
+
+ /* Clear the interrupt LASI status register */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
+ DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
+ /* Clear MSG-OUT */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
+
+ /* Check the LASI */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
+
+ DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
+
+ /* Check the link status */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
+ DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
+ link_up = ((val1 & 4) == 4);
+ DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
+
+ if (link_up &&
+ ((phy->req_line_speed != SPEED_10000))) {
+ if (bnx2x_8073_xaui_wa(bp, phy) != 0)
+ return 0;
+ }
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
+
+ /* Check the link status on 1.1.2 */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
+ DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
+ "an_link_status=0x%x\n", val2, val1, an1000_status);
+
+ link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
+ if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
+ /* The SNR will improve about 2dbby changing the BW and FEE main
+ * tap. The 1st write to change FFE main tap is set before
+ * restart AN. Change PLL Bandwidth in EDC register
+ */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
+ 0x26BC);
+
+ /* Change CDR Bandwidth in EDC register */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
+ 0x0333);
+ }
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
+ &link_status);
+
+ /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
+ if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
+ link_up = 1;
+ vars->line_speed = SPEED_10000;
+ DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
+ params->port);
+ } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
+ link_up = 1;
+ vars->line_speed = SPEED_2500;
+ DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
+ params->port);
+ } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
+ link_up = 1;
+ vars->line_speed = SPEED_1000;
+ DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
+ params->port);
+ } else {
+ link_up = 0;
+ DP(NETIF_MSG_LINK, "port %x: External link is down\n",
+ params->port);
+ }
+
+ if (link_up) {
+ /* Swap polarity if required */
+ if (params->lane_config &
+ PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
+ /* Configure the 8073 to swap P and N of the KR lines */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_XS_DEVAD,
+ MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
+ /* Set bit 3 to invert Rx in 1G mode and clear this bit
+ * when it`s in 10G mode.
+ */
+ if (vars->line_speed == SPEED_1000) {
+ DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
+ "the 8073\n");
+ val1 |= (1<<3);
+ } else
+ val1 &= ~(1<<3);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_XS_DEVAD,
+ MDIO_XS_REG_8073_RX_CTRL_PCIE,
+ val1);
+ }
+ bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
+ bnx2x_8073_resolve_fc(phy, params, vars);
+ vars->duplex = DUPLEX_FULL;
+ }
+
+ if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_LP_AUTO_NEG2, &val1);
+
+ if (val1 & (1<<5))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
+ if (val1 & (1<<7))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
+ }
+
+ return link_up;
+}
+
+static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u8 gpio_port;
+ if (CHIP_IS_E2(bp))
+ gpio_port = BP_PATH(bp);
+ else
+ gpio_port = params->port;
+ DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
+ gpio_port);
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
+ MISC_REGISTERS_GPIO_OUTPUT_LOW,
+ gpio_port);
+}
+
+/******************************************************************/
+/* BCM8705 PHY SECTION */
+/******************************************************************/
+static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ DP(NETIF_MSG_LINK, "init 8705\n");
+ /* Restore normal power mode*/
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
+ MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
+ /* HW reset */
+ bnx2x_ext_phy_hw_reset(bp, params->port);
+ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
+ bnx2x_wait_reset_complete(bp, phy, params);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
+ /* BCM8705 doesn't have microcode, hence the 0 */
+ bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
+ return 0;
+}
+
+static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ u8 link_up = 0;
+ u16 val1, rx_sd;
+ struct bnx2x *bp = params->bp;
+ DP(NETIF_MSG_LINK, "read status 8705\n");
+ bnx2x_cl45_read(bp, phy,
+ MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
+ DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
+ DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, 0xc809, &val1);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, 0xc809, &val1);
+
+ DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
+ link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
+ if (link_up) {
+ vars->line_speed = SPEED_10000;
+ bnx2x_ext_phy_resolve_fc(phy, params, vars);
+ }
+ return link_up;
+}
+
+/******************************************************************/
+/* SFP+ module Section */
+/******************************************************************/
+static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
+ struct bnx2x_phy *phy,
+ u8 pmd_dis)
+{
+ struct bnx2x *bp = params->bp;
+ /* Disable transmitter only for bootcodes which can enable it afterwards
+ * (for D3 link)
+ */
+ if (pmd_dis) {
+ if (params->feature_config_flags &
+ FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
+ DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
+ else {
+ DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
+ return;
+ }
+ } else
+ DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_TX_DISABLE, pmd_dis);
+}
+
+static u8 bnx2x_get_gpio_port(struct link_params *params)
+{
+ u8 gpio_port;
+ u32 swap_val, swap_override;
+ struct bnx2x *bp = params->bp;
+ if (CHIP_IS_E2(bp))
+ gpio_port = BP_PATH(bp);
+ else
+ gpio_port = params->port;
+ swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
+ swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
+ return gpio_port ^ (swap_val && swap_override);
+}
+
+static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
+ struct bnx2x_phy *phy,
+ u8 tx_en)
+{
+ u16 val;
+ u8 port = params->port;
+ struct bnx2x *bp = params->bp;
+ u32 tx_en_mode;
+
+ /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
+ tx_en_mode = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].sfp_ctrl)) &
+ PORT_HW_CFG_TX_LASER_MASK;
+ DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
+ "mode = %x\n", tx_en, port, tx_en_mode);
+ switch (tx_en_mode) {
+ case PORT_HW_CFG_TX_LASER_MDIO:
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_PHY_IDENTIFIER,
+ &val);
+
+ if (tx_en)
+ val &= ~(1<<15);
+ else
+ val |= (1<<15);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_PHY_IDENTIFIER,
+ val);
+ break;
+ case PORT_HW_CFG_TX_LASER_GPIO0:
+ case PORT_HW_CFG_TX_LASER_GPIO1:
+ case PORT_HW_CFG_TX_LASER_GPIO2:
+ case PORT_HW_CFG_TX_LASER_GPIO3:
+ {
+ u16 gpio_pin;
+ u8 gpio_port, gpio_mode;
+ if (tx_en)
+ gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
+ else
+ gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
+
+ gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
+ gpio_port = bnx2x_get_gpio_port(params);
+ bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
+ break;
+ }
+ default:
+ DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
+ break;
+ }
+}
+
+static void bnx2x_sfp_set_transmitter(struct link_params *params,
+ struct bnx2x_phy *phy,
+ u8 tx_en)
+{
+ struct bnx2x *bp = params->bp;
+ DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
+ if (CHIP_IS_E3(bp))
+ bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
+ else
+ bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
+}
+
+static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u8 dev_addr, u16 addr, u8 byte_cnt,
+ u8 *o_buf, u8 is_init)
+{
+ struct bnx2x *bp = params->bp;
+ u16 val = 0;
+ u16 i;
+ if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
+ DP(NETIF_MSG_LINK,
+ "Reading from eeprom is limited to 0xf\n");
+ return -EINVAL;
+ }
+ /* Set the read command byte count */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
+ (byte_cnt | (dev_addr << 8)));
+
+ /* Set the read command address */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
+ addr);
+
+ /* Activate read command */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
+ 0x2c0f);
+
+ /* Wait up to 500us for command complete status */
+ for (i = 0; i < 100; i++) {
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
+ if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
+ MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
+ break;
+ udelay(5);
+ }
+
+ if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
+ MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
+ DP(NETIF_MSG_LINK,
+ "Got bad status 0x%x when reading from SFP+ EEPROM\n",
+ (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
+ return -EINVAL;
+ }
+
+ /* Read the buffer */
+ for (i = 0; i < byte_cnt; i++) {
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
+ o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
+ }
+
+ for (i = 0; i < 100; i++) {
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
+ if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
+ MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
+ return 0;
+ usleep_range(1000, 2000);
+ }
+ return -EINVAL;
+}
+
+static void bnx2x_warpcore_power_module(struct link_params *params,
+ u8 power)
+{
+ u32 pin_cfg;
+ struct bnx2x *bp = params->bp;
+
+ pin_cfg = (REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
+ PORT_HW_CFG_E3_PWR_DIS_MASK) >>
+ PORT_HW_CFG_E3_PWR_DIS_SHIFT;
+
+ if (pin_cfg == PIN_CFG_NA)
+ return;
+ DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
+ power, pin_cfg);
+ /* Low ==> corresponding SFP+ module is powered
+ * high ==> the SFP+ module is powered down
+ */
+ bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
+}
+static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u8 dev_addr,
+ u16 addr, u8 byte_cnt,
+ u8 *o_buf, u8 is_init)
+{
+ int rc = 0;
+ u8 i, j = 0, cnt = 0;
+ u32 data_array[4];
+ u16 addr32;
+ struct bnx2x *bp = params->bp;
+
+ if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
+ DP(NETIF_MSG_LINK,
+ "Reading from eeprom is limited to 16 bytes\n");
+ return -EINVAL;
+ }
+
+ /* 4 byte aligned address */
+ addr32 = addr & (~0x3);
+ do {
+ if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
+ bnx2x_warpcore_power_module(params, 0);
+ /* Note that 100us are not enough here */
+ usleep_range(1000, 2000);
+ bnx2x_warpcore_power_module(params, 1);
+ }
+ rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
+ data_array);
+ } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
+
+ if (rc == 0) {
+ for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
+ o_buf[j] = *((u8 *)data_array + i);
+ j++;
+ }
+ }
+
+ return rc;
+}
+
+static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u8 dev_addr, u16 addr, u8 byte_cnt,
+ u8 *o_buf, u8 is_init)
+{
+ struct bnx2x *bp = params->bp;
+ u16 val, i;
+
+ if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
+ DP(NETIF_MSG_LINK,
+ "Reading from eeprom is limited to 0xf\n");
+ return -EINVAL;
+ }
+
+ /* Set 2-wire transfer rate of SFP+ module EEPROM
+ * to 100Khz since some DACs(direct attached cables) do
+ * not work at 400Khz.
+ */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
+ ((dev_addr << 8) | 1));
+
+ /* Need to read from 1.8000 to clear it */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
+ &val);
+
+ /* Set the read command byte count */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
+ ((byte_cnt < 2) ? 2 : byte_cnt));
+
+ /* Set the read command address */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
+ addr);
+ /* Set the destination address */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ 0x8004,
+ MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
+
+ /* Activate read command */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
+ 0x8002);
+ /* Wait appropriate time for two-wire command to finish before
+ * polling the status register
+ */
+ usleep_range(1000, 2000);
+
+ /* Wait up to 500us for command complete status */
+ for (i = 0; i < 100; i++) {
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
+ if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
+ MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
+ break;
+ udelay(5);
+ }
+
+ if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
+ MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
+ DP(NETIF_MSG_LINK,
+ "Got bad status 0x%x when reading from SFP+ EEPROM\n",
+ (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
+ return -EFAULT;
+ }
+
+ /* Read the buffer */
+ for (i = 0; i < byte_cnt; i++) {
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
+ o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
+ }
+
+ for (i = 0; i < 100; i++) {
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
+ if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
+ MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
+ return 0;
+ usleep_range(1000, 2000);
+ }
+
+ return -EINVAL;
+}
+int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
+ struct link_params *params, u8 dev_addr,
+ u16 addr, u16 byte_cnt, u8 *o_buf)
+{
+ int rc = 0;
+ struct bnx2x *bp = params->bp;
+ u8 xfer_size;
+ u8 *user_data = o_buf;
+ read_sfp_module_eeprom_func_p read_func;
+
+ if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
+ DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
+ return -EINVAL;
+ }
+
+ switch (phy->type) {
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
+ read_func = bnx2x_8726_read_sfp_module_eeprom;
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
+ read_func = bnx2x_8727_read_sfp_module_eeprom;
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
+ read_func = bnx2x_warpcore_read_sfp_module_eeprom;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ while (!rc && (byte_cnt > 0)) {
+ xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
+ SFP_EEPROM_PAGE_SIZE : byte_cnt;
+ rc = read_func(phy, params, dev_addr, addr, xfer_size,
+ user_data, 0);
+ byte_cnt -= xfer_size;
+ user_data += xfer_size;
+ addr += xfer_size;
+ }
+ return rc;
+}
+
+static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u16 *edc_mode)
+{
+ struct bnx2x *bp = params->bp;
+ u32 sync_offset = 0, phy_idx, media_types;
+ u8 val[SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
+ *edc_mode = EDC_MODE_LIMITING;
+ phy->media_type = ETH_PHY_UNSPECIFIED;
+ /* First check for copper cable */
+ if (bnx2x_read_sfp_module_eeprom(phy,
+ params,
+ I2C_DEV_ADDR_A0,
+ 0,
+ SFP_EEPROM_FC_TX_TECH_ADDR + 1,
+ (u8 *)val) != 0) {
+ DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
+ return -EINVAL;
+ }
+ params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
+ params->link_attr_sync |= val[SFP_EEPROM_10G_COMP_CODE_ADDR] <<
+ LINK_SFP_EEPROM_COMP_CODE_SHIFT;
+ bnx2x_update_link_attr(params, params->link_attr_sync);
+ switch (val[SFP_EEPROM_CON_TYPE_ADDR]) {
+ case SFP_EEPROM_CON_TYPE_VAL_COPPER:
+ {
+ u8 copper_module_type;
+ phy->media_type = ETH_PHY_DA_TWINAX;
+ /* Check if its active cable (includes SFP+ module)
+ * of passive cable
+ */
+ copper_module_type = val[SFP_EEPROM_FC_TX_TECH_ADDR];
+
+ if (copper_module_type &
+ SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
+ DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
+ if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
+ *edc_mode = EDC_MODE_ACTIVE_DAC;
+ else
+ check_limiting_mode = 1;
+ } else {
+ *edc_mode = EDC_MODE_PASSIVE_DAC;
+ /* Even in case PASSIVE_DAC indication is not set,
+ * treat it as a passive DAC cable, since some cables
+ * don't have this indication.
+ */
+ if (copper_module_type &
+ SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
+ DP(NETIF_MSG_LINK,
+ "Passive Copper cable detected\n");
+ } else {
+ DP(NETIF_MSG_LINK,
+ "Unknown copper-cable-type\n");
+ }
+ }
+ break;
+ }
+ case SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
+ case SFP_EEPROM_CON_TYPE_VAL_LC:
+ case SFP_EEPROM_CON_TYPE_VAL_RJ45:
+ check_limiting_mode = 1;
+ if (((val[SFP_EEPROM_10G_COMP_CODE_ADDR] &
+ (SFP_EEPROM_10G_COMP_CODE_SR_MASK |
+ SFP_EEPROM_10G_COMP_CODE_LR_MASK |
+ SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) &&
+ (val[SFP_EEPROM_1G_COMP_CODE_ADDR] != 0)) {
+ DP(NETIF_MSG_LINK, "1G SFP module detected\n");
+ phy->media_type = ETH_PHY_SFP_1G_FIBER;
+ if (phy->req_line_speed != SPEED_1000) {
+ u8 gport = params->port;
+ phy->req_line_speed = SPEED_1000;
+ if (!CHIP_IS_E1x(bp)) {
+ gport = BP_PATH(bp) +
+ (params->port << 1);
+ }
+ netdev_err(bp->dev,
+ "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
+ gport);
+ }
+ if (val[SFP_EEPROM_1G_COMP_CODE_ADDR] &
+ SFP_EEPROM_1G_COMP_CODE_BASE_T) {
+ bnx2x_sfp_set_transmitter(params, phy, 0);
+ msleep(40);
+ bnx2x_sfp_set_transmitter(params, phy, 1);
+ }
+ } else {
+ int idx, cfg_idx = 0;
+ DP(NETIF_MSG_LINK, "10G Optic module detected\n");
+ for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
+ if (params->phy[idx].type == phy->type) {
+ cfg_idx = LINK_CONFIG_IDX(idx);
+ break;
+ }
+ }
+ phy->media_type = ETH_PHY_SFPP_10G_FIBER;
+ phy->req_line_speed = params->req_line_speed[cfg_idx];
+ }
+ break;
+ default:
+ DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
+ val[SFP_EEPROM_CON_TYPE_ADDR]);
+ return -EINVAL;
+ }
+ sync_offset = params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[params->port].media_type);
+ media_types = REG_RD(bp, sync_offset);
+ /* Update media type for non-PMF sync */
+ for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
+ if (&(params->phy[phy_idx]) == phy) {
+ media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
+ (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
+ media_types |= ((phy->media_type &
+ PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
+ (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
+ break;
+ }
+ }
+ REG_WR(bp, sync_offset, media_types);
+ if (check_limiting_mode) {
+ u8 options[SFP_EEPROM_OPTIONS_SIZE];
+ if (bnx2x_read_sfp_module_eeprom(phy,
+ params,
+ I2C_DEV_ADDR_A0,
+ SFP_EEPROM_OPTIONS_ADDR,
+ SFP_EEPROM_OPTIONS_SIZE,
+ options) != 0) {
+ DP(NETIF_MSG_LINK,
+ "Failed to read Option field from module EEPROM\n");
+ return -EINVAL;
+ }
+ if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
+ *edc_mode = EDC_MODE_LINEAR;
+ else
+ *edc_mode = EDC_MODE_LIMITING;
+ }
+ DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
+ return 0;
+}
+/* This function read the relevant field from the module (SFP+), and verify it
+ * is compliant with this board
+ */
+static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u32 val, cmd;
+ u32 fw_resp, fw_cmd_param;
+ char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
+ char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
+ phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
+ val = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region, dev_info.
+ port_feature_config[params->port].config));
+ if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
+ PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
+ DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
+ return 0;
+ }
+
+ if (params->feature_config_flags &
+ FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
+ /* Use specific phy request */
+ cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
+ } else if (params->feature_config_flags &
+ FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
+ /* Use first phy request only in case of non-dual media*/
+ if (DUAL_MEDIA(params)) {
+ DP(NETIF_MSG_LINK,
+ "FW does not support OPT MDL verification\n");
+ return -EINVAL;
+ }
+ cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
+ } else {
+ /* No support in OPT MDL detection */
+ DP(NETIF_MSG_LINK,
+ "FW does not support OPT MDL verification\n");
+ return -EINVAL;
+ }
+
+ fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
+ fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
+ if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
+ DP(NETIF_MSG_LINK, "Approved module\n");
+ return 0;
+ }
+
+ /* Format the warning message */
+ if (bnx2x_read_sfp_module_eeprom(phy,
+ params,
+ I2C_DEV_ADDR_A0,
+ SFP_EEPROM_VENDOR_NAME_ADDR,
+ SFP_EEPROM_VENDOR_NAME_SIZE,
+ (u8 *)vendor_name))
+ vendor_name[0] = '\0';
+ else
+ vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
+ if (bnx2x_read_sfp_module_eeprom(phy,
+ params,
+ I2C_DEV_ADDR_A0,
+ SFP_EEPROM_PART_NO_ADDR,
+ SFP_EEPROM_PART_NO_SIZE,
+ (u8 *)vendor_pn))
+ vendor_pn[0] = '\0';
+ else
+ vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
+
+ netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
+ " Port %d from %s part number %s\n",
+ params->port, vendor_name, vendor_pn);
+ if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
+ PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
+ phy->flags |= FLAGS_SFP_NOT_APPROVED;
+ return -EINVAL;
+}
+
+static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
+ struct link_params *params)
+
+{
+ u8 val;
+ int rc;
+ struct bnx2x *bp = params->bp;
+ u16 timeout;
+ /* Initialization time after hot-plug may take up to 300ms for
+ * some phys type ( e.g. JDSU )
+ */
+
+ for (timeout = 0; timeout < 60; timeout++) {
+ if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
+ rc = bnx2x_warpcore_read_sfp_module_eeprom(
+ phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
+ 1);
+ else
+ rc = bnx2x_read_sfp_module_eeprom(phy, params,
+ I2C_DEV_ADDR_A0,
+ 1, 1, &val);
+ if (rc == 0) {
+ DP(NETIF_MSG_LINK,
+ "SFP+ module initialization took %d ms\n",
+ timeout * 5);
+ return 0;
+ }
+ usleep_range(5000, 10000);
+ }
+ rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
+ 1, 1, &val);
+ return rc;
+}
+
+static void bnx2x_8727_power_module(struct bnx2x *bp,
+ struct bnx2x_phy *phy,
+ u8 is_power_up) {
+ /* Make sure GPIOs are not using for LED mode */
+ u16 val;
+ /* In the GPIO register, bit 4 is use to determine if the GPIOs are
+ * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
+ * output
+ * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
+ * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
+ * where the 1st bit is the over-current(only input), and 2nd bit is
+ * for power( only output )
+ *
+ * In case of NOC feature is disabled and power is up, set GPIO control
+ * as input to enable listening of over-current indication
+ */
+ if (phy->flags & FLAGS_NOC)
+ return;
+ if (is_power_up)
+ val = (1<<4);
+ else
+ /* Set GPIO control to OUTPUT, and set the power bit
+ * to according to the is_power_up
+ */
+ val = (1<<1);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8727_GPIO_CTRL,
+ val);
+}
+
+static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
+ struct bnx2x_phy *phy,
+ u16 edc_mode)
+{
+ u16 cur_limiting_mode;
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_ROM_VER2,
+ &cur_limiting_mode);
+ DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
+ cur_limiting_mode);
+
+ if (edc_mode == EDC_MODE_LIMITING) {
+ DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_ROM_VER2,
+ EDC_MODE_LIMITING);
+ } else { /* LRM mode ( default )*/
+
+ DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
+
+ /* Changing to LRM mode takes quite few seconds. So do it only
+ * if current mode is limiting (default is LRM)
+ */
+ if (cur_limiting_mode != EDC_MODE_LIMITING)
+ return 0;
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_LRM_MODE,
+ 0);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_ROM_VER2,
+ 0x128);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_MISC_CTRL0,
+ 0x4008);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_LRM_MODE,
+ 0xaaaa);
+ }
+ return 0;
+}
+
+static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
+ struct bnx2x_phy *phy,
+ u16 edc_mode)
+{
+ u16 phy_identifier;
+ u16 rom_ver2_val;
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_PHY_IDENTIFIER,
+ &phy_identifier);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_PHY_IDENTIFIER,
+ (phy_identifier & ~(1<<9)));
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_ROM_VER2,
+ &rom_ver2_val);
+ /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_ROM_VER2,
+ (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_PHY_IDENTIFIER,
+ (phy_identifier | (1<<9)));
+
+ return 0;
+}
+
+static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u32 action)
+{
+ struct bnx2x *bp = params->bp;
+ u16 val;
+ switch (action) {
+ case DISABLE_TX:
+ bnx2x_sfp_set_transmitter(params, phy, 0);
+ break;
+ case ENABLE_TX:
+ if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
+ bnx2x_sfp_set_transmitter(params, phy, 1);
+ break;
+ case PHY_INIT:
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
+ (1<<2) | (1<<5));
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
+ 0);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
+ /* Make MOD_ABS give interrupt on change */
+ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8727_PCS_OPT_CTRL,
+ &val);
+ val |= (1<<12);
+ if (phy->flags & FLAGS_NOC)
+ val |= (3<<5);
+ /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
+ * status which reflect SFP+ module over-current
+ */
+ if (!(phy->flags & FLAGS_NOC))
+ val &= 0xff8f; /* Reset bits 4-6 */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
+ val);
+ break;
+ default:
+ DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
+ action);
+ return;
+ }
+}
+
+static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
+ u8 gpio_mode)
+{
+ struct bnx2x *bp = params->bp;
+
+ u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[params->port].sfp_ctrl)) &
+ PORT_HW_CFG_FAULT_MODULE_LED_MASK;
+ switch (fault_led_gpio) {
+ case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
+ return;
+ case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
+ case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
+ case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
+ case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
+ {
+ u8 gpio_port = bnx2x_get_gpio_port(params);
+ u16 gpio_pin = fault_led_gpio -
+ PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
+ DP(NETIF_MSG_LINK, "Set fault module-detected led "
+ "pin %x port %x mode %x\n",
+ gpio_pin, gpio_port, gpio_mode);
+ bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
+ }
+ break;
+ default:
+ DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
+ fault_led_gpio);
+ }
+}
+
+static void bnx2x_set_e3_module_fault_led(struct link_params *params,
+ u8 gpio_mode)
+{
+ u32 pin_cfg;
+ u8 port = params->port;
+ struct bnx2x *bp = params->bp;
+ pin_cfg = (REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].e3_sfp_ctrl)) &
+ PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
+ PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
+ DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
+ gpio_mode, pin_cfg);
+ bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
+}
+
+static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
+ u8 gpio_mode)
+{
+ struct bnx2x *bp = params->bp;
+ DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
+ if (CHIP_IS_E3(bp)) {
+ /* Low ==> if SFP+ module is supported otherwise
+ * High ==> if SFP+ module is not on the approved vendor list
+ */
+ bnx2x_set_e3_module_fault_led(params, gpio_mode);
+ } else
+ bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
+}
+
+static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ bnx2x_warpcore_power_module(params, 0);
+ /* Put Warpcore in low power mode */
+ REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
+
+ /* Put LCPLL in low power mode */
+ REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
+ REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
+ REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
+}
+
+static void bnx2x_power_sfp_module(struct link_params *params,
+ struct bnx2x_phy *phy,
+ u8 power)
+{
+ struct bnx2x *bp = params->bp;
+ DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
+
+ switch (phy->type) {
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
+ bnx2x_8727_power_module(params->bp, phy, power);
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
+ bnx2x_warpcore_power_module(params, power);
+ break;
+ default:
+ break;
+ }
+}
+static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
+ struct bnx2x_phy *phy,
+ u16 edc_mode)
+{
+ u16 val = 0;
+ u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
+ struct bnx2x *bp = params->bp;
+
+ u8 lane = bnx2x_get_warpcore_lane(phy, params);
+ /* This is a global register which controls all lanes */
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
+ val &= ~(0xf << (lane << 2));
+
+ switch (edc_mode) {
+ case EDC_MODE_LINEAR:
+ case EDC_MODE_LIMITING:
+ mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
+ break;
+ case EDC_MODE_PASSIVE_DAC:
+ case EDC_MODE_ACTIVE_DAC:
+ mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
+ break;
+ default:
+ break;
+ }
+
+ val |= (mode << (lane << 2));
+ bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
+ /* A must read */
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
+
+ /* Restart microcode to re-read the new mode */
+ bnx2x_warpcore_reset_lane(bp, phy, 1);
+ bnx2x_warpcore_reset_lane(bp, phy, 0);
+
+}
+
+static void bnx2x_set_limiting_mode(struct link_params *params,
+ struct bnx2x_phy *phy,
+ u16 edc_mode)
+{
+ switch (phy->type) {
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
+ bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
+ bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
+ bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
+ break;
+ }
+}
+
+static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u16 edc_mode;
+ int rc = 0;
+
+ u32 val = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region, dev_info.
+ port_feature_config[params->port].config));
+ /* Enabled transmitter by default */
+ bnx2x_sfp_set_transmitter(params, phy, 1);
+ DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
+ params->port);
+ /* Power up module */
+ bnx2x_power_sfp_module(params, phy, 1);
+ if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
+ DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
+ return -EINVAL;
+ } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
+ /* Check SFP+ module compatibility */
+ DP(NETIF_MSG_LINK, "Module verification failed!!\n");
+ rc = -EINVAL;
+ /* Turn on fault module-detected led */
+ bnx2x_set_sfp_module_fault_led(params,
+ MISC_REGISTERS_GPIO_HIGH);
+
+ /* Check if need to power down the SFP+ module */
+ if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
+ PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
+ DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
+ bnx2x_power_sfp_module(params, phy, 0);
+ return rc;
+ }
+ } else {
+ /* Turn off fault module-detected led */
+ bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
+ }
+
+ /* Check and set limiting mode / LRM mode on 8726. On 8727 it
+ * is done automatically
+ */
+ bnx2x_set_limiting_mode(params, phy, edc_mode);
+
+ /* Disable transmit for this module if the module is not approved, and
+ * laser needs to be disabled.
+ */
+ if ((rc) &&
+ ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
+ PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
+ bnx2x_sfp_set_transmitter(params, phy, 0);
+
+ return rc;
+}
+
+void bnx2x_handle_module_detect_int(struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ struct bnx2x_phy *phy;
+ u32 gpio_val;
+ u8 gpio_num, gpio_port;
+ if (CHIP_IS_E3(bp)) {
+ phy = ¶ms->phy[INT_PHY];
+ /* Always enable TX laser,will be disabled in case of fault */
+ bnx2x_sfp_set_transmitter(params, phy, 1);
+ } else {
+ phy = ¶ms->phy[EXT_PHY1];
+ }
+ if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
+ params->port, &gpio_num, &gpio_port) ==
+ -EINVAL) {
+ DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
+ return;
+ }
+
+ /* Set valid module led off */
+ bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
+
+ /* Get current gpio val reflecting module plugged in / out*/
+ gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
+
+ /* Call the handling function in case module is detected */
+ if (gpio_val == 0) {
+ bnx2x_set_mdio_emac_per_phy(bp, params);
+ bnx2x_set_aer_mmd(params, phy);
+
+ bnx2x_power_sfp_module(params, phy, 1);
+ bnx2x_set_gpio_int(bp, gpio_num,
+ MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
+ gpio_port);
+ if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
+ bnx2x_sfp_module_detection(phy, params);
+ if (CHIP_IS_E3(bp)) {
+ u16 rx_tx_in_reset;
+ /* In case WC is out of reset, reconfigure the
+ * link speed while taking into account 1G
+ * module limitation.
+ */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_WC_DEVAD,
+ MDIO_WC_REG_DIGITAL5_MISC6,
+ &rx_tx_in_reset);
+ if ((!rx_tx_in_reset) &&
+ (params->link_flags &
+ PHY_INITIALIZED)) {
+ bnx2x_warpcore_reset_lane(bp, phy, 1);
+ bnx2x_warpcore_config_sfi(phy, params);
+ bnx2x_warpcore_reset_lane(bp, phy, 0);
+ }
+ }
+ } else {
+ DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
+ }
+ } else {
+ bnx2x_set_gpio_int(bp, gpio_num,
+ MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
+ gpio_port);
+ /* Module was plugged out.
+ * Disable transmit for this module
+ */
+ phy->media_type = ETH_PHY_NOT_PRESENT;
+ }
+}
+
+/******************************************************************/
+/* Used by 8706 and 8727 */
+/******************************************************************/
+static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
+ struct bnx2x_phy *phy,
+ u16 alarm_status_offset,
+ u16 alarm_ctrl_offset)
+{
+ u16 alarm_status, val;
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, alarm_status_offset,
+ &alarm_status);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, alarm_status_offset,
+ &alarm_status);
+ /* Mask or enable the fault event. */
+ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
+ if (alarm_status & (1<<0))
+ val &= ~(1<<0);
+ else
+ val |= (1<<0);
+ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
+}
+/******************************************************************/
+/* common BCM8706/BCM8726 PHY SECTION */
+/******************************************************************/
+static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ u8 link_up = 0;
+ u16 val1, val2, rx_sd, pcs_status;
+ struct bnx2x *bp = params->bp;
+ DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
+ /* Clear RX Alarm*/
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
+
+ bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
+ MDIO_PMA_LASI_TXCTRL);
+
+ /* Clear LASI indication*/
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
+ DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
+
+ DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
+ " link_status 0x%x\n", rx_sd, pcs_status, val2);
+ /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
+ * are set, or if the autoneg bit 1 is set
+ */
+ link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
+ if (link_up) {
+ if (val2 & (1<<1))
+ vars->line_speed = SPEED_1000;
+ else
+ vars->line_speed = SPEED_10000;
+ bnx2x_ext_phy_resolve_fc(phy, params, vars);
+ vars->duplex = DUPLEX_FULL;
+ }
+
+ /* Capture 10G link fault. Read twice to clear stale value. */
+ if (vars->line_speed == SPEED_10000) {
+ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
+ MDIO_PMA_LASI_TXSTAT, &val1);
+ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
+ MDIO_PMA_LASI_TXSTAT, &val1);
+ if (val1 & (1<<0))
+ vars->fault_detected = 1;
+ }
+
+ return link_up;
+}
+
+/******************************************************************/
+/* BCM8706 PHY SECTION */
+/******************************************************************/
+static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ u32 tx_en_mode;
+ u16 cnt, val, tmp1;
+ struct bnx2x *bp = params->bp;
+
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
+ MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
+ /* HW reset */
+ bnx2x_ext_phy_hw_reset(bp, params->port);
+ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
+ bnx2x_wait_reset_complete(bp, phy, params);
+
+ /* Wait until fw is loaded */
+ for (cnt = 0; cnt < 100; cnt++) {
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
+ if (val)
+ break;
+ usleep_range(10000, 20000);
+ }
+ DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
+ if ((params->feature_config_flags &
+ FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
+ u8 i;
+ u16 reg;
+ for (i = 0; i < 4; i++) {
+ reg = MDIO_XS_8706_REG_BANK_RX0 +
+ i*(MDIO_XS_8706_REG_BANK_RX1 -
+ MDIO_XS_8706_REG_BANK_RX0);
+ bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
+ /* Clear first 3 bits of the control */
+ val &= ~0x7;
+ /* Set control bits according to configuration */
+ val |= (phy->rx_preemphasis[i] & 0x7);
+ DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
+ " reg 0x%x <-- val 0x%x\n", reg, val);
+ bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
+ }
+ }
+ /* Force speed */
+ if (phy->req_line_speed == SPEED_10000) {
+ DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
+ 0);
+ /* Arm LASI for link and Tx fault. */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
+ } else {
+ /* Force 1Gbps using autoneg with 1G advertisement */
+
+ /* Allow CL37 through CL73 */
+ DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
+
+ /* Enable Full-Duplex advertisement on CL37 */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
+ /* Enable CL37 AN */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
+ /* 1G support */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
+
+ /* Enable clause 73 AN */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
+ 0x0400);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
+ 0x0004);
+ }
+ bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
+
+ /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
+ * power mode, if TX Laser is disabled
+ */
+
+ tx_en_mode = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[params->port].sfp_ctrl))
+ & PORT_HW_CFG_TX_LASER_MASK;
+
+ if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
+ DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
+ tmp1 |= 0x1;
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
+ }
+
+ return 0;
+}
+
+static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ return bnx2x_8706_8726_read_status(phy, params, vars);
+}
+
+/******************************************************************/
+/* BCM8726 PHY SECTION */
+/******************************************************************/
+static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
+ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
+}
+
+static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ /* Need to wait 100ms after reset */
+ msleep(100);
+
+ /* Micro controller re-boot */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
+
+ /* Set soft reset */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_GEN_CTRL,
+ MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_MISC_CTRL1, 0x0001);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_GEN_CTRL,
+ MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
+
+ /* Wait for 150ms for microcode load */
+ msleep(150);
+
+ /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_MISC_CTRL1, 0x0000);
+
+ msleep(200);
+ bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
+}
+
+static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u16 val1;
+ u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
+ if (link_up) {
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
+ &val1);
+ if (val1 & (1<<15)) {
+ DP(NETIF_MSG_LINK, "Tx is disabled\n");
+ link_up = 0;
+ vars->line_speed = 0;
+ }
+ }
+ return link_up;
+}
+
+
+static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
+
+ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
+ bnx2x_wait_reset_complete(bp, phy, params);
+
+ bnx2x_8726_external_rom_boot(phy, params);
+
+ /* Need to call module detected on initialization since the module
+ * detection triggered by actual module insertion might occur before
+ * driver is loaded, and when driver is loaded, it reset all
+ * registers, including the transmitter
+ */
+ bnx2x_sfp_module_detection(phy, params);
+
+ if (phy->req_line_speed == SPEED_1000) {
+ DP(NETIF_MSG_LINK, "Setting 1G force\n");
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
+ 0x400);
+ } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
+ (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
+ ((phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
+ DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
+ /* Set Flow control */
+ bnx2x_ext_phy_set_pause(params, phy, vars);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
+ /* Enable RX-ALARM control to receive interrupt for 1G speed
+ * change
+ */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
+ 0x400);
+
+ } else { /* Default 10G. Set only LASI control */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
+ }
+
+ /* Set TX PreEmphasis if needed */
+ if ((params->feature_config_flags &
+ FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
+ DP(NETIF_MSG_LINK,
+ "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
+ phy->tx_preemphasis[0],
+ phy->tx_preemphasis[1]);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8726_TX_CTRL1,
+ phy->tx_preemphasis[0]);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8726_TX_CTRL2,
+ phy->tx_preemphasis[1]);
+ }
+
+ return 0;
+
+}
+
+static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
+ /* Set serial boot control for external load */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_GEN_CTRL, 0x0001);
+}
+
+/******************************************************************/
+/* BCM8727 PHY SECTION */
+/******************************************************************/
+
+static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
+ struct link_params *params, u8 mode)
+{
+ struct bnx2x *bp = params->bp;
+ u16 led_mode_bitmask = 0;
+ u16 gpio_pins_bitmask = 0;
+ u16 val;
+ /* Only NOC flavor requires to set the LED specifically */
+ if (!(phy->flags & FLAGS_NOC))
+ return;
+ switch (mode) {
+ case LED_MODE_FRONT_PANEL_OFF:
+ case LED_MODE_OFF:
+ led_mode_bitmask = 0;
+ gpio_pins_bitmask = 0x03;
+ break;
+ case LED_MODE_ON:
+ led_mode_bitmask = 0;
+ gpio_pins_bitmask = 0x02;
+ break;
+ case LED_MODE_OPER:
+ led_mode_bitmask = 0x60;
+ gpio_pins_bitmask = 0x11;
+ break;
+ }
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8727_PCS_OPT_CTRL,
+ &val);
+ val &= 0xff8f;
+ val |= led_mode_bitmask;
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8727_PCS_OPT_CTRL,
+ val);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8727_GPIO_CTRL,
+ &val);
+ val &= 0xffe0;
+ val |= gpio_pins_bitmask;
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8727_GPIO_CTRL,
+ val);
+}
+static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
+ struct link_params *params) {
+ u32 swap_val, swap_override;
+ u8 port;
+ /* The PHY reset is controlled by GPIO 1. Fake the port number
+ * to cancel the swap done in set_gpio()
+ */
+ struct bnx2x *bp = params->bp;
+ swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
+ swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
+ port = (swap_val && swap_override) ^ 1;
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
+ MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
+}
+
+static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u16 tmp1, val;
+ /* Set option 1G speed */
+ if ((phy->req_line_speed == SPEED_1000) ||
+ (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
+ DP(NETIF_MSG_LINK, "Setting 1G force\n");
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
+ DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
+ /* Power down the XAUI until link is up in case of dual-media
+ * and 1G
+ */
+ if (DUAL_MEDIA(params)) {
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8727_PCS_GP, &val);
+ val |= (3<<10);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8727_PCS_GP, val);
+ }
+ } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
+ ((phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
+ ((phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
+
+ DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
+ } else {
+ /* Since the 8727 has only single reset pin, need to set the 10G
+ * registers although it is default
+ */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
+ 0x0020);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
+ 0x0008);
+ }
+}
+
+static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ u32 tx_en_mode;
+ u16 tmp1, mod_abs, tmp2;
+ struct bnx2x *bp = params->bp;
+ /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
+
+ bnx2x_wait_reset_complete(bp, phy, params);
+
+ DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
+
+ bnx2x_8727_specific_func(phy, params, PHY_INIT);
+ /* Initially configure MOD_ABS to interrupt when module is
+ * presence( bit 8)
+ */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
+ /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
+ * When the EDC is off it locks onto a reference clock and avoids
+ * becoming 'lost'
+ */
+ mod_abs &= ~(1<<8);
+ if (!(phy->flags & FLAGS_NOC))
+ mod_abs &= ~(1<<9);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
+
+ /* Enable/Disable PHY transmitter output */
+ bnx2x_set_disable_pmd_transmit(params, phy, 0);
+
+ bnx2x_8727_power_module(bp, phy, 1);
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
+
+ bnx2x_8727_config_speed(phy, params);
+
+
+ /* Set TX PreEmphasis if needed */
+ if ((params->feature_config_flags &
+ FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
+ DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
+ phy->tx_preemphasis[0],
+ phy->tx_preemphasis[1]);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
+ phy->tx_preemphasis[0]);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
+ phy->tx_preemphasis[1]);
+ }
+
+ /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
+ * power mode, if TX Laser is disabled
+ */
+ tx_en_mode = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[params->port].sfp_ctrl))
+ & PORT_HW_CFG_TX_LASER_MASK;
+
+ if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
+
+ DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
+ tmp2 |= 0x1000;
+ tmp2 &= 0xFFEF;
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
+ &tmp2);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
+ (tmp2 & 0x7fff));
+ }
+
+ return 0;
+}
+
+static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u16 mod_abs, rx_alarm_status;
+ u32 val = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region, dev_info.
+ port_feature_config[params->port].
+ config));
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
+ if (mod_abs & (1<<8)) {
+
+ /* Module is absent */
+ DP(NETIF_MSG_LINK,
+ "MOD_ABS indication show module is absent\n");
+ phy->media_type = ETH_PHY_NOT_PRESENT;
+ /* 1. Set mod_abs to detect next module
+ * presence event
+ * 2. Set EDC off by setting OPTXLOS signal input to low
+ * (bit 9).
+ * When the EDC is off it locks onto a reference clock and
+ * avoids becoming 'lost'.
+ */
+ mod_abs &= ~(1<<8);
+ if (!(phy->flags & FLAGS_NOC))
+ mod_abs &= ~(1<<9);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
+
+ /* Clear RX alarm since it stays up as long as
+ * the mod_abs wasn't changed
+ */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
+
+ } else {
+ /* Module is present */
+ DP(NETIF_MSG_LINK,
+ "MOD_ABS indication show module is present\n");
+ /* First disable transmitter, and if the module is ok, the
+ * module_detection will enable it
+ * 1. Set mod_abs to detect next module absent event ( bit 8)
+ * 2. Restore the default polarity of the OPRXLOS signal and
+ * this signal will then correctly indicate the presence or
+ * absence of the Rx signal. (bit 9)
+ */
+ mod_abs |= (1<<8);
+ if (!(phy->flags & FLAGS_NOC))
+ mod_abs |= (1<<9);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
+
+ /* Clear RX alarm since it stays up as long as the mod_abs
+ * wasn't changed. This is need to be done before calling the
+ * module detection, otherwise it will clear* the link update
+ * alarm
+ */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
+
+
+ if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
+ PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
+ bnx2x_sfp_set_transmitter(params, phy, 0);
+
+ if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
+ bnx2x_sfp_module_detection(phy, params);
+ else
+ DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
+
+ /* Reconfigure link speed based on module type limitations */
+ bnx2x_8727_config_speed(phy, params);
+ }
+
+ DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
+ rx_alarm_status);
+ /* No need to check link status in case of module plugged in/out */
+}
+
+static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+
+{
+ struct bnx2x *bp = params->bp;
+ u8 link_up = 0, oc_port = params->port;
+ u16 link_status = 0;
+ u16 rx_alarm_status, lasi_ctrl, val1;
+
+ /* If PHY is not initialized, do not check link status */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
+ &lasi_ctrl);
+ if (!lasi_ctrl)
+ return 0;
+
+ /* Check the LASI on Rx */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
+ &rx_alarm_status);
+ vars->line_speed = 0;
+ DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
+
+ bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
+ MDIO_PMA_LASI_TXCTRL);
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
+
+ DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
+
+ /* Clear MSG-OUT */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
+
+ /* If a module is present and there is need to check
+ * for over current
+ */
+ if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
+ /* Check over-current using 8727 GPIO0 input*/
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
+ &val1);
+
+ if ((val1 & (1<<8)) == 0) {
+ if (!CHIP_IS_E1x(bp))
+ oc_port = BP_PATH(bp) + (params->port << 1);
+ DP(NETIF_MSG_LINK,
+ "8727 Power fault has been detected on port %d\n",
+ oc_port);
+ netdev_err(bp->dev, "Error: Power fault on Port %d has "
+ "been detected and the power to "
+ "that SFP+ module has been removed "
+ "to prevent failure of the card. "
+ "Please remove the SFP+ module and "
+ "restart the system to clear this "
+ "error.\n",
+ oc_port);
+ /* Disable all RX_ALARMs except for mod_abs */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_LASI_RXCTRL, (1<<5));
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
+ /* Wait for module_absent_event */
+ val1 |= (1<<8);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_PHY_IDENTIFIER, val1);
+ /* Clear RX alarm */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
+ bnx2x_8727_power_module(params->bp, phy, 0);
+ return 0;
+ }
+ } /* Over current check */
+
+ /* When module absent bit is set, check module */
+ if (rx_alarm_status & (1<<5)) {
+ bnx2x_8727_handle_mod_abs(phy, params);
+ /* Enable all mod_abs and link detection bits */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
+ ((1<<5) | (1<<2)));
+ }
+
+ if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
+ DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
+ bnx2x_sfp_set_transmitter(params, phy, 1);
+ } else {
+ DP(NETIF_MSG_LINK, "Tx is disabled\n");
+ return 0;
+ }
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
+
+ /* Bits 0..2 --> speed detected,
+ * Bits 13..15--> link is down
+ */
+ if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
+ link_up = 1;
+ vars->line_speed = SPEED_10000;
+ DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
+ params->port);
+ } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
+ link_up = 1;
+ vars->line_speed = SPEED_1000;
+ DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
+ params->port);
+ } else {
+ link_up = 0;
+ DP(NETIF_MSG_LINK, "port %x: External link is down\n",
+ params->port);
+ }
+
+ /* Capture 10G link fault. */
+ if (vars->line_speed == SPEED_10000) {
+ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
+ MDIO_PMA_LASI_TXSTAT, &val1);
+
+ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
+ MDIO_PMA_LASI_TXSTAT, &val1);
+
+ if (val1 & (1<<0)) {
+ vars->fault_detected = 1;
+ }
+ }
+
+ if (link_up) {
+ bnx2x_ext_phy_resolve_fc(phy, params, vars);
+ vars->duplex = DUPLEX_FULL;
+ DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
+ }
+
+ if ((DUAL_MEDIA(params)) &&
+ (phy->req_line_speed == SPEED_1000)) {
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8727_PCS_GP, &val1);
+ /* In case of dual-media board and 1G, power up the XAUI side,
+ * otherwise power it down. For 10G it is done automatically
+ */
+ if (link_up)
+ val1 &= ~(3<<10);
+ else
+ val1 |= (3<<10);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8727_PCS_GP, val1);
+ }
+ return link_up;
+}
+
+static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+
+ /* Enable/Disable PHY transmitter output */
+ bnx2x_set_disable_pmd_transmit(params, phy, 1);
+
+ /* Disable Transmitter */
+ bnx2x_sfp_set_transmitter(params, phy, 0);
+ /* Clear LASI */
+ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
+
+}
+
+/******************************************************************/
+/* BCM8481/BCM84823/BCM84833 PHY SECTION */
+/******************************************************************/
+static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
+ struct bnx2x *bp,
+ u8 port)
+{
+ u16 val, fw_ver2, cnt, i;
+ static struct bnx2x_reg_set reg_set[] = {
+ {MDIO_PMA_DEVAD, 0xA819, 0x0014},
+ {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
+ {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
+ {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
+ {MDIO_PMA_DEVAD, 0xA817, 0x0009}
+ };
+ u16 fw_ver1;
+
+ if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
+ (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
+ bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
+ bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
+ phy->ver_addr);
+ } else {
+ /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
+ /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
+ for (i = 0; i < ARRAY_SIZE(reg_set); i++)
+ bnx2x_cl45_write(bp, phy, reg_set[i].devad,
+ reg_set[i].reg, reg_set[i].val);
+
+ for (cnt = 0; cnt < 100; cnt++) {
+ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
+ if (val & 1)
+ break;
+ udelay(5);
+ }
+ if (cnt == 100) {
+ DP(NETIF_MSG_LINK, "Unable to read 848xx "
+ "phy fw version(1)\n");
+ bnx2x_save_spirom_version(bp, port, 0,
+ phy->ver_addr);
+ return;
+ }
+
+
+ /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
+ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
+ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
+ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
+ for (cnt = 0; cnt < 100; cnt++) {
+ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
+ if (val & 1)
+ break;
+ udelay(5);
+ }
+ if (cnt == 100) {
+ DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
+ "version(2)\n");
+ bnx2x_save_spirom_version(bp, port, 0,
+ phy->ver_addr);
+ return;
+ }
+
+ /* lower 16 bits of the register SPI_FW_STATUS */
+ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
+ /* upper 16 bits of register SPI_FW_STATUS */
+ bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
+
+ bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
+ phy->ver_addr);
+ }
+
+}
+static void bnx2x_848xx_set_led(struct bnx2x *bp,
+ struct bnx2x_phy *phy)
+{
+ u16 val, offset, i;
+ static struct bnx2x_reg_set reg_set[] = {
+ {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
+ {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
+ {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
+ {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
+ {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
+ MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
+ {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
+ };
+ /* PHYC_CTL_LED_CTL */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
+ val &= 0xFE00;
+ val |= 0x0092;
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LINK_SIGNAL, val);
+
+ for (i = 0; i < ARRAY_SIZE(reg_set); i++)
+ bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
+ reg_set[i].val);
+
+ if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
+ (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
+ offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
+ else
+ offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
+
+ /* stretch_en for LED3*/
+ bnx2x_cl45_read_or_write(bp, phy,
+ MDIO_PMA_DEVAD, offset,
+ MDIO_PMA_REG_84823_LED3_STRETCH_EN);
+}
+
+static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u32 action)
+{
+ struct bnx2x *bp = params->bp;
+ switch (action) {
+ case PHY_INIT:
+ if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
+ (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
+ /* Save spirom version */
+ bnx2x_save_848xx_spirom_version(phy, bp, params->port);
+ }
+ /* This phy uses the NIG latch mechanism since link indication
+ * arrives through its LED4 and not via its LASI signal, so we
+ * get steady signal instead of clear on read
+ */
+ bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
+ 1 << NIG_LATCH_BC_ENABLE_MI_INT);
+
+ bnx2x_848xx_set_led(bp, phy);
+ break;
+ }
+}
+
+static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u16 autoneg_val, an_1000_val, an_10_100_val;
+
+ bnx2x_848xx_specific_func(phy, params, PHY_INIT);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
+
+ /* set 1000 speed advertisement */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
+ &an_1000_val);
+
+ bnx2x_ext_phy_set_pause(params, phy, vars);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_LEGACY_AN_ADV,
+ &an_10_100_val);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
+ &autoneg_val);
+ /* Disable forced speed */
+ autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
+ an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
+
+ if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
+ (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
+ (phy->req_line_speed == SPEED_1000)) {
+ an_1000_val |= (1<<8);
+ autoneg_val |= (1<<9 | 1<<12);
+ if (phy->req_duplex == DUPLEX_FULL)
+ an_1000_val |= (1<<9);
+ DP(NETIF_MSG_LINK, "Advertising 1G\n");
+ } else
+ an_1000_val &= ~((1<<8) | (1<<9));
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
+ an_1000_val);
+
+ /* Set 10/100 speed advertisement */
+ if (phy->req_line_speed == SPEED_AUTO_NEG) {
+ if (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
+ /* Enable autoneg and restart autoneg for legacy speeds
+ */
+ autoneg_val |= (1<<9 | 1<<12);
+ an_10_100_val |= (1<<8);
+ DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
+ }
+
+ if (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
+ /* Enable autoneg and restart autoneg for legacy speeds
+ */
+ autoneg_val |= (1<<9 | 1<<12);
+ an_10_100_val |= (1<<7);
+ DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
+ }
+
+ if ((phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
+ (phy->supported & SUPPORTED_10baseT_Full)) {
+ an_10_100_val |= (1<<6);
+ autoneg_val |= (1<<9 | 1<<12);
+ DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
+ }
+
+ if ((phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
+ (phy->supported & SUPPORTED_10baseT_Half)) {
+ an_10_100_val |= (1<<5);
+ autoneg_val |= (1<<9 | 1<<12);
+ DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
+ }
+ }
+
+ /* Only 10/100 are allowed to work in FORCE mode */
+ if ((phy->req_line_speed == SPEED_100) &&
+ (phy->supported &
+ (SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full))) {
+ autoneg_val |= (1<<13);
+ /* Enabled AUTO-MDIX when autoneg is disabled */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
+ (1<<15 | 1<<9 | 7<<0));
+ /* The PHY needs this set even for forced link. */
+ an_10_100_val |= (1<<8) | (1<<7);
+ DP(NETIF_MSG_LINK, "Setting 100M force\n");
+ }
+ if ((phy->req_line_speed == SPEED_10) &&
+ (phy->supported &
+ (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full))) {
+ /* Enabled AUTO-MDIX when autoneg is disabled */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
+ (1<<15 | 1<<9 | 7<<0));
+ DP(NETIF_MSG_LINK, "Setting 10M force\n");
+ }
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
+ an_10_100_val);
+
+ if (phy->req_duplex == DUPLEX_FULL)
+ autoneg_val |= (1<<8);
+
+ /* Always write this if this is not 84833/4.
+ * For 84833/4, write it only when it's a forced speed.
+ */
+ if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
+ (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
+ ((autoneg_val & (1<<12)) == 0))
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
+
+ if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
+ (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
+ (phy->req_line_speed == SPEED_10000)) {
+ DP(NETIF_MSG_LINK, "Advertising 10G\n");
+ /* Restart autoneg for 10G*/
+
+ bnx2x_cl45_read_or_write(
+ bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
+ 0x1000);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
+ 0x3200);
+ } else
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
+ 1);
+
+ return 0;
+}
+
+static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ /* Restore normal power mode*/
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
+ MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
+
+ /* HW reset */
+ bnx2x_ext_phy_hw_reset(bp, params->port);
+ bnx2x_wait_reset_complete(bp, phy, params);
+
+ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
+ return bnx2x_848xx_cmn_config_init(phy, params, vars);
+}
+
+#define PHY84833_CMDHDLR_WAIT 300
+#define PHY84833_CMDHDLR_MAX_ARGS 5
+static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
+ struct link_params *params, u16 fw_cmd,
+ u16 cmd_args[], int argc)
+{
+ int idx;
+ u16 val;
+ struct bnx2x *bp = params->bp;
+ /* Write CMD_OPEN_OVERRIDE to STATUS reg */
+ bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_84833_CMD_HDLR_STATUS,
+ PHY84833_STATUS_CMD_OPEN_OVERRIDE);
+ for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
+ bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_84833_CMD_HDLR_STATUS, &val);
+ if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
+ break;
+ usleep_range(1000, 2000);
+ }
+ if (idx >= PHY84833_CMDHDLR_WAIT) {
+ DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
+ return -EINVAL;
+ }
+
+ /* Prepare argument(s) and issue command */
+ for (idx = 0; idx < argc; idx++) {
+ bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_84833_CMD_HDLR_DATA1 + idx,
+ cmd_args[idx]);
+ }
+ bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
+ for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
+ bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_84833_CMD_HDLR_STATUS, &val);
+ if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
+ (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
+ break;
+ usleep_range(1000, 2000);
+ }
+ if ((idx >= PHY84833_CMDHDLR_WAIT) ||
+ (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
+ DP(NETIF_MSG_LINK, "FW cmd failed.\n");
+ return -EINVAL;
+ }
+ /* Gather returning data */
+ for (idx = 0; idx < argc; idx++) {
+ bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_84833_CMD_HDLR_DATA1 + idx,
+ &cmd_args[idx]);
+ }
+ bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_84833_CMD_HDLR_STATUS,
+ PHY84833_STATUS_CMD_CLEAR_COMPLETE);
+ return 0;
+}
+
+static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ u32 pair_swap;
+ u16 data[PHY84833_CMDHDLR_MAX_ARGS];
+ int status;
+ struct bnx2x *bp = params->bp;
+
+ /* Check for configuration. */
+ pair_swap = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
+ PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
+
+ if (pair_swap == 0)
+ return 0;
+
+ /* Only the second argument is used for this command */
+ data[1] = (u16)pair_swap;
+
+ status = bnx2x_84833_cmd_hdlr(phy, params,
+ PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
+ if (status == 0)
+ DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
+
+ return status;
+}
+
+static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
+ u32 shmem_base_path[],
+ u32 chip_id)
+{
+ u32 reset_pin[2];
+ u32 idx;
+ u8 reset_gpios;
+ if (CHIP_IS_E3(bp)) {
+ /* Assume that these will be GPIOs, not EPIOs. */
+ for (idx = 0; idx < 2; idx++) {
+ /* Map config param to register bit. */
+ reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[0].e3_cmn_pin_cfg));
+ reset_pin[idx] = (reset_pin[idx] &
+ PORT_HW_CFG_E3_PHY_RESET_MASK) >>
+ PORT_HW_CFG_E3_PHY_RESET_SHIFT;
+ reset_pin[idx] -= PIN_CFG_GPIO0_P0;
+ reset_pin[idx] = (1 << reset_pin[idx]);
+ }
+ reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
+ } else {
+ /* E2, look from diff place of shmem. */
+ for (idx = 0; idx < 2; idx++) {
+ reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[0].default_cfg));
+ reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
+ reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
+ reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
+ reset_pin[idx] = (1 << reset_pin[idx]);
+ }
+ reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
+ }
+
+ return reset_gpios;
+}
+
+static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u8 reset_gpios;
+ u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
+ offsetof(struct shmem2_region,
+ other_shmem_base_addr));
+
+ u32 shmem_base_path[2];
+
+ /* Work around for 84833 LED failure inside RESET status */
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_LEGACY_MII_CTRL,
+ MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
+ MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
+
+ shmem_base_path[0] = params->shmem_base;
+ shmem_base_path[1] = other_shmem_base_addr;
+
+ reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
+ params->chip_id);
+
+ bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
+ udelay(10);
+ DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
+ reset_gpios);
+
+ return 0;
+}
+
+static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ int rc;
+ struct bnx2x *bp = params->bp;
+ u16 cmd_args = 0;
+
+ DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
+
+ /* Prevent Phy from working in EEE and advertising it */
+ rc = bnx2x_84833_cmd_hdlr(phy, params,
+ PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
+ if (rc) {
+ DP(NETIF_MSG_LINK, "EEE disable failed.\n");
+ return rc;
+ }
+
+ return bnx2x_eee_disable(phy, params, vars);
+}
+
+static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ int rc;
+ struct bnx2x *bp = params->bp;
+ u16 cmd_args = 1;
+
+ rc = bnx2x_84833_cmd_hdlr(phy, params,
+ PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
+ if (rc) {
+ DP(NETIF_MSG_LINK, "EEE enable failed.\n");
+ return rc;
+ }
+
+ return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
+}
+
+#define PHY84833_CONSTANT_LATENCY 1193
+static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u8 port, initialize = 1;
+ u16 val;
+ u32 actual_phy_selection;
+ u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
+ int rc = 0;
+
+ usleep_range(1000, 2000);
+
+ if (!(CHIP_IS_E1x(bp)))
+ port = BP_PATH(bp);
+ else
+ port = params->port;
+
+ if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
+ MISC_REGISTERS_GPIO_OUTPUT_HIGH,
+ port);
+ } else {
+ /* MDIO reset */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_CTRL, 0x8000);
+ }
+
+ bnx2x_wait_reset_complete(bp, phy, params);
+
+ /* Wait for GPHY to come out of reset */
+ msleep(50);
+ if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
+ (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
+ /* BCM84823 requires that XGXS links up first @ 10G for normal
+ * behavior.
+ */
+ u16 temp;
+ temp = vars->line_speed;
+ vars->line_speed = SPEED_10000;
+ bnx2x_set_autoneg(¶ms->phy[INT_PHY], params, vars, 0);
+ bnx2x_program_serdes(¶ms->phy[INT_PHY], params, vars);
+ vars->line_speed = temp;
+ }
+
+ bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_CTL_REG_84823_MEDIA, &val);
+ val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
+ MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
+ MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
+ MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
+ MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
+
+ if (CHIP_IS_E3(bp)) {
+ val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
+ MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
+ } else {
+ val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
+ MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
+ }
+
+ actual_phy_selection = bnx2x_phy_selection(params);
+
+ switch (actual_phy_selection) {
+ case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
+ /* Do nothing. Essentially this is like the priority copper */
+ break;
+ case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
+ val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
+ break;
+ case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
+ val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
+ break;
+ case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
+ /* Do nothing here. The first PHY won't be initialized at all */
+ break;
+ case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
+ val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
+ initialize = 0;
+ break;
+ }
+ if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
+ val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
+
+ bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_CTL_REG_84823_MEDIA, val);
+ DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
+ params->multi_phy_config, val);
+
+ if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
+ (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
+ bnx2x_84833_pair_swap_cfg(phy, params, vars);
+
+ /* Keep AutogrEEEn disabled. */
+ cmd_args[0] = 0x0;
+ cmd_args[1] = 0x0;
+ cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
+ cmd_args[3] = PHY84833_CONSTANT_LATENCY;
+ rc = bnx2x_84833_cmd_hdlr(phy, params,
+ PHY84833_CMD_SET_EEE_MODE, cmd_args,
+ PHY84833_CMDHDLR_MAX_ARGS);
+ if (rc)
+ DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
+ }
+ if (initialize)
+ rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
+ else
+ bnx2x_save_848xx_spirom_version(phy, bp, params->port);
+ /* 84833 PHY has a better feature and doesn't need to support this. */
+ if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
+ u32 cms_enable = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[params->port].default_cfg)) &
+ PORT_HW_CFG_ENABLE_CMS_MASK;
+
+ bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
+ if (cms_enable)
+ val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
+ else
+ val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
+ bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_CTL_REG_84823_USER_CTRL_REG, val);
+ }
+
+ bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_84833_TOP_CFG_FW_REV, &val);
+
+ /* Configure EEE support */
+ if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
+ (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
+ bnx2x_eee_has_cap(params)) {
+ rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
+ if (rc) {
+ DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
+ bnx2x_8483x_disable_eee(phy, params, vars);
+ return rc;
+ }
+
+ if ((phy->req_duplex == DUPLEX_FULL) &&
+ (params->eee_mode & EEE_MODE_ADV_LPI) &&
+ (bnx2x_eee_calc_timer(params) ||
+ !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
+ rc = bnx2x_8483x_enable_eee(phy, params, vars);
+ else
+ rc = bnx2x_8483x_disable_eee(phy, params, vars);
+ if (rc) {
+ DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
+ return rc;
+ }
+ } else {
+ vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
+ }
+
+ if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
+ (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
+ /* Bring PHY out of super isolate mode as the final step. */
+ bnx2x_cl45_read_and_write(bp, phy,
+ MDIO_CTL_DEVAD,
+ MDIO_84833_TOP_CFG_XGPHY_STRAP1,
+ (u16)~MDIO_84833_SUPER_ISOLATE);
+ }
+ return rc;
+}
+
+static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u16 val, val1, val2;
+ u8 link_up = 0;
+
+
+ /* Check 10G-BaseT link status */
+ /* Check PMD signal ok */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD, 0xFFFA, &val1);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
+ &val2);
+ DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
+
+ /* Check link 10G */
+ if (val2 & (1<<11)) {
+ vars->line_speed = SPEED_10000;
+ vars->duplex = DUPLEX_FULL;
+ link_up = 1;
+ bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
+ } else { /* Check Legacy speed link */
+ u16 legacy_status, legacy_speed;
+
+ /* Enable expansion register 0x42 (Operation mode status) */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
+
+ /* Get legacy speed operation status */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
+ &legacy_status);
+
+ DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
+ legacy_status);
+ link_up = ((legacy_status & (1<<11)) == (1<<11));
+ legacy_speed = (legacy_status & (3<<9));
+ if (legacy_speed == (0<<9))
+ vars->line_speed = SPEED_10;
+ else if (legacy_speed == (1<<9))
+ vars->line_speed = SPEED_100;
+ else if (legacy_speed == (2<<9))
+ vars->line_speed = SPEED_1000;
+ else { /* Should not happen: Treat as link down */
+ vars->line_speed = 0;
+ link_up = 0;
+ }
+
+ if (link_up) {
+ if (legacy_status & (1<<8))
+ vars->duplex = DUPLEX_FULL;
+ else
+ vars->duplex = DUPLEX_HALF;
+
+ DP(NETIF_MSG_LINK,
+ "Link is up in %dMbps, is_duplex_full= %d\n",
+ vars->line_speed,
+ (vars->duplex == DUPLEX_FULL));
+ /* Check legacy speed AN resolution */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_LEGACY_MII_STATUS,
+ &val);
+ if (val & (1<<5))
+ vars->link_status |=
+ LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
+ &val);
+ if ((val & (1<<0)) == 0)
+ vars->link_status |=
+ LINK_STATUS_PARALLEL_DETECTION_USED;
+ }
+ }
+ if (link_up) {
+ DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
+ vars->line_speed);
+ bnx2x_ext_phy_resolve_fc(phy, params, vars);
+
+ /* Read LP advertised speeds */
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_CL37_FC_LP, &val);
+ if (val & (1<<5))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
+ if (val & (1<<6))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
+ if (val & (1<<7))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
+ if (val & (1<<8))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
+ if (val & (1<<9))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
+
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_1000T_STATUS, &val);
+
+ if (val & (1<<10))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
+ if (val & (1<<11))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
+
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_MASTER_STATUS, &val);
+
+ if (val & (1<<11))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
+
+ /* Determine if EEE was negotiated */
+ if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
+ (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
+ bnx2x_eee_an_resolve(phy, params, vars);
+ }
+
+ return link_up;
+}
+
+static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
+{
+ int status = 0;
+ u32 spirom_ver;
+ spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
+ status = bnx2x_format_ver(spirom_ver, str, len);
+ return status;
+}
+
+static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
+ MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
+ bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
+ MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
+}
+
+static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ bnx2x_cl45_write(params->bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
+ bnx2x_cl45_write(params->bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
+}
+
+static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u8 port;
+ u16 val16;
+
+ if (!(CHIP_IS_E1x(bp)))
+ port = BP_PATH(bp);
+ else
+ port = params->port;
+
+ if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
+ MISC_REGISTERS_GPIO_OUTPUT_LOW,
+ port);
+ } else {
+ bnx2x_cl45_read(bp, phy,
+ MDIO_CTL_DEVAD,
+ MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
+ val16 |= MDIO_84833_SUPER_ISOLATE;
+ bnx2x_cl45_write(bp, phy,
+ MDIO_CTL_DEVAD,
+ MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
+ }
+}
+
+static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
+ struct link_params *params, u8 mode)
+{
+ struct bnx2x *bp = params->bp;
+ u16 val;
+ u8 port;
+
+ if (!(CHIP_IS_E1x(bp)))
+ port = BP_PATH(bp);
+ else
+ port = params->port;
+
+ switch (mode) {
+ case LED_MODE_OFF:
+
+ DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
+
+ if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
+ SHARED_HW_CFG_LED_EXTPHY1) {
+
+ /* Set LED masks */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED1_MASK,
+ 0x0);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED2_MASK,
+ 0x0);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED3_MASK,
+ 0x0);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED5_MASK,
+ 0x0);
+
+ } else {
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED1_MASK,
+ 0x0);
+ }
+ break;
+ case LED_MODE_FRONT_PANEL_OFF:
+
+ DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
+ port);
+
+ if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
+ SHARED_HW_CFG_LED_EXTPHY1) {
+
+ /* Set LED masks */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED1_MASK,
+ 0x0);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED2_MASK,
+ 0x0);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED3_MASK,
+ 0x0);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED5_MASK,
+ 0x20);
+
+ } else {
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED1_MASK,
+ 0x0);
+ if (phy->type ==
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
+ /* Disable MI_INT interrupt before setting LED4
+ * source to constant off.
+ */
+ if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
+ params->port*4) &
+ NIG_MASK_MI_INT) {
+ params->link_flags |=
+ LINK_FLAGS_INT_DISABLED;
+
+ bnx2x_bits_dis(
+ bp,
+ NIG_REG_MASK_INTERRUPT_PORT0 +
+ params->port*4,
+ NIG_MASK_MI_INT);
+ }
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_SIGNAL_MASK,
+ 0x0);
+ }
+ }
+ break;
+ case LED_MODE_ON:
+
+ DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
+
+ if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
+ SHARED_HW_CFG_LED_EXTPHY1) {
+ /* Set control reg */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LINK_SIGNAL,
+ &val);
+ val &= 0x8000;
+ val |= 0x2492;
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LINK_SIGNAL,
+ val);
+
+ /* Set LED masks */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED1_MASK,
+ 0x0);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED2_MASK,
+ 0x20);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED3_MASK,
+ 0x20);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED5_MASK,
+ 0x0);
+ } else {
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED1_MASK,
+ 0x20);
+ if (phy->type ==
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
+ /* Disable MI_INT interrupt before setting LED4
+ * source to constant on.
+ */
+ if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
+ params->port*4) &
+ NIG_MASK_MI_INT) {
+ params->link_flags |=
+ LINK_FLAGS_INT_DISABLED;
+
+ bnx2x_bits_dis(
+ bp,
+ NIG_REG_MASK_INTERRUPT_PORT0 +
+ params->port*4,
+ NIG_MASK_MI_INT);
+ }
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_SIGNAL_MASK,
+ 0x20);
+ }
+ }
+ break;
+
+ case LED_MODE_OPER:
+
+ DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
+
+ if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
+ SHARED_HW_CFG_LED_EXTPHY1) {
+
+ /* Set control reg */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LINK_SIGNAL,
+ &val);
+
+ if (!((val &
+ MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
+ >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
+ DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LINK_SIGNAL,
+ 0xa492);
+ }
+
+ /* Set LED masks */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED1_MASK,
+ 0x10);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED2_MASK,
+ 0x80);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED3_MASK,
+ 0x98);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED5_MASK,
+ 0x40);
+
+ } else {
+ /* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
+ * sources are all wired through LED1, rather than only
+ * 10G in other modes.
+ */
+ val = ((params->hw_led_mode <<
+ SHARED_HW_CFG_LED_MODE_SHIFT) ==
+ SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LED1_MASK,
+ val);
+
+ /* Tell LED3 to blink on source */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LINK_SIGNAL,
+ &val);
+ val &= ~(7<<6);
+ val |= (1<<6); /* A83B[8:6]= 1 */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_LINK_SIGNAL,
+ val);
+ if (phy->type ==
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
+ /* Restore LED4 source to external link,
+ * and re-enable interrupts.
+ */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_8481_SIGNAL_MASK,
+ 0x40);
+ if (params->link_flags &
+ LINK_FLAGS_INT_DISABLED) {
+ bnx2x_link_int_enable(params);
+ params->link_flags &=
+ ~LINK_FLAGS_INT_DISABLED;
+ }
+ }
+ }
+ break;
+ }
+
+ /* This is a workaround for E3+84833 until autoneg
+ * restart is fixed in f/w
+ */
+ if (CHIP_IS_E3(bp)) {
+ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+ MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
+ }
+}
+
+/******************************************************************/
+/* 54618SE PHY SECTION */
+/******************************************************************/
+static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u32 action)
+{
+ struct bnx2x *bp = params->bp;
+ u16 temp;
+ switch (action) {
+ case PHY_INIT:
+ /* Configure LED4: set to INTR (0x6). */
+ /* Accessing shadow register 0xe. */
+ bnx2x_cl22_write(bp, phy,
+ MDIO_REG_GPHY_SHADOW,
+ MDIO_REG_GPHY_SHADOW_LED_SEL2);
+ bnx2x_cl22_read(bp, phy,
+ MDIO_REG_GPHY_SHADOW,
+ &temp);
+ temp &= ~(0xf << 4);
+ temp |= (0x6 << 4);
+ bnx2x_cl22_write(bp, phy,
+ MDIO_REG_GPHY_SHADOW,
+ MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
+ /* Configure INTR based on link status change. */
+ bnx2x_cl22_write(bp, phy,
+ MDIO_REG_INTR_MASK,
+ ~MDIO_REG_INTR_MASK_LINK_STATUS);
+ break;
+ }
+}
+
+static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u8 port;
+ u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
+ u32 cfg_pin;
+
+ DP(NETIF_MSG_LINK, "54618SE cfg init\n");
+ usleep_range(1000, 2000);
+
+ /* This works with E3 only, no need to check the chip
+ * before determining the port.
+ */
+ port = params->port;
+
+ cfg_pin = (REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
+ PORT_HW_CFG_E3_PHY_RESET_MASK) >>
+ PORT_HW_CFG_E3_PHY_RESET_SHIFT;
+
+ /* Drive pin high to bring the GPHY out of reset. */
+ bnx2x_set_cfg_pin(bp, cfg_pin, 1);
+
+ /* wait for GPHY to reset */
+ msleep(50);
+
+ /* reset phy */
+ bnx2x_cl22_write(bp, phy,
+ MDIO_PMA_REG_CTRL, 0x8000);
+ bnx2x_wait_reset_complete(bp, phy, params);
+
+ /* Wait for GPHY to reset */
+ msleep(50);
+
+
+ bnx2x_54618se_specific_func(phy, params, PHY_INIT);
+ /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
+ bnx2x_cl22_write(bp, phy,
+ MDIO_REG_GPHY_SHADOW,
+ MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
+ bnx2x_cl22_read(bp, phy,
+ MDIO_REG_GPHY_SHADOW,
+ &temp);
+ temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
+ bnx2x_cl22_write(bp, phy,
+ MDIO_REG_GPHY_SHADOW,
+ MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
+
+ /* Set up fc */
+ /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
+ bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
+ fc_val = 0;
+ if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
+ fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
+
+ if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
+ fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
+
+ /* Read all advertisement */
+ bnx2x_cl22_read(bp, phy,
+ 0x09,
+ &an_1000_val);
+
+ bnx2x_cl22_read(bp, phy,
+ 0x04,
+ &an_10_100_val);
+
+ bnx2x_cl22_read(bp, phy,
+ MDIO_PMA_REG_CTRL,
+ &autoneg_val);
+
+ /* Disable forced speed */
+ autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
+ an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
+ (1<<11));
+
+ if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
+ (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
+ (phy->req_line_speed == SPEED_1000)) {
+ an_1000_val |= (1<<8);
+ autoneg_val |= (1<<9 | 1<<12);
+ if (phy->req_duplex == DUPLEX_FULL)
+ an_1000_val |= (1<<9);
+ DP(NETIF_MSG_LINK, "Advertising 1G\n");
+ } else
+ an_1000_val &= ~((1<<8) | (1<<9));
+
+ bnx2x_cl22_write(bp, phy,
+ 0x09,
+ an_1000_val);
+ bnx2x_cl22_read(bp, phy,
+ 0x09,
+ &an_1000_val);
+
+ /* Advertise 10/100 link speed */
+ if (phy->req_line_speed == SPEED_AUTO_NEG) {
+ if (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
+ an_10_100_val |= (1<<5);
+ autoneg_val |= (1<<9 | 1<<12);
+ DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
+ }
+ if (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
+ an_10_100_val |= (1<<6);
+ autoneg_val |= (1<<9 | 1<<12);
+ DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
+ }
+ if (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
+ an_10_100_val |= (1<<7);
+ autoneg_val |= (1<<9 | 1<<12);
+ DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
+ }
+ if (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
+ an_10_100_val |= (1<<8);
+ autoneg_val |= (1<<9 | 1<<12);
+ DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
+ }
+ }
+
+ /* Only 10/100 are allowed to work in FORCE mode */
+ if (phy->req_line_speed == SPEED_100) {
+ autoneg_val |= (1<<13);
+ /* Enabled AUTO-MDIX when autoneg is disabled */
+ bnx2x_cl22_write(bp, phy,
+ 0x18,
+ (1<<15 | 1<<9 | 7<<0));
+ DP(NETIF_MSG_LINK, "Setting 100M force\n");
+ }
+ if (phy->req_line_speed == SPEED_10) {
+ /* Enabled AUTO-MDIX when autoneg is disabled */
+ bnx2x_cl22_write(bp, phy,
+ 0x18,
+ (1<<15 | 1<<9 | 7<<0));
+ DP(NETIF_MSG_LINK, "Setting 10M force\n");
+ }
+
+ if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
+ int rc;
+
+ bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
+ MDIO_REG_GPHY_EXP_ACCESS_TOP |
+ MDIO_REG_GPHY_EXP_TOP_2K_BUF);
+ bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
+ temp &= 0xfffe;
+ bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
+
+ rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
+ if (rc) {
+ DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
+ bnx2x_eee_disable(phy, params, vars);
+ } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
+ (phy->req_duplex == DUPLEX_FULL) &&
+ (bnx2x_eee_calc_timer(params) ||
+ !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
+ /* Need to advertise EEE only when requested,
+ * and either no LPI assertion was requested,
+ * or it was requested and a valid timer was set.
+ * Also notice full duplex is required for EEE.
+ */
+ bnx2x_eee_advertise(phy, params, vars,
+ SHMEM_EEE_1G_ADV);
+ } else {
+ DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
+ bnx2x_eee_disable(phy, params, vars);
+ }
+ } else {
+ vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
+ SHMEM_EEE_SUPPORTED_SHIFT;
+
+ if (phy->flags & FLAGS_EEE) {
+ /* Handle legacy auto-grEEEn */
+ if (params->feature_config_flags &
+ FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
+ temp = 6;
+ DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
+ } else {
+ temp = 0;
+ DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
+ }
+ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_EEE_ADV, temp);
+ }
+ }
+
+ bnx2x_cl22_write(bp, phy,
+ 0x04,
+ an_10_100_val | fc_val);
+
+ if (phy->req_duplex == DUPLEX_FULL)
+ autoneg_val |= (1<<8);
+
+ bnx2x_cl22_write(bp, phy,
+ MDIO_PMA_REG_CTRL, autoneg_val);
+
+ return 0;
+}
+
+
+static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
+ struct link_params *params, u8 mode)
+{
+ struct bnx2x *bp = params->bp;
+ u16 temp;
+
+ bnx2x_cl22_write(bp, phy,
+ MDIO_REG_GPHY_SHADOW,
+ MDIO_REG_GPHY_SHADOW_LED_SEL1);
+ bnx2x_cl22_read(bp, phy,
+ MDIO_REG_GPHY_SHADOW,
+ &temp);
+ temp &= 0xff00;
+
+ DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
+ switch (mode) {
+ case LED_MODE_FRONT_PANEL_OFF:
+ case LED_MODE_OFF:
+ temp |= 0x00ee;
+ break;
+ case LED_MODE_OPER:
+ temp |= 0x0001;
+ break;
+ case LED_MODE_ON:
+ temp |= 0x00ff;
+ break;
+ default:
+ break;
+ }
+ bnx2x_cl22_write(bp, phy,
+ MDIO_REG_GPHY_SHADOW,
+ MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
+ return;
+}
+
+
+static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u32 cfg_pin;
+ u8 port;
+
+ /* In case of no EPIO routed to reset the GPHY, put it
+ * in low power mode.
+ */
+ bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
+ /* This works with E3 only, no need to check the chip
+ * before determining the port.
+ */
+ port = params->port;
+ cfg_pin = (REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
+ PORT_HW_CFG_E3_PHY_RESET_MASK) >>
+ PORT_HW_CFG_E3_PHY_RESET_SHIFT;
+
+ /* Drive pin low to put GPHY in reset. */
+ bnx2x_set_cfg_pin(bp, cfg_pin, 0);
+}
+
+static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u16 val;
+ u8 link_up = 0;
+ u16 legacy_status, legacy_speed;
+
+ /* Get speed operation status */
+ bnx2x_cl22_read(bp, phy,
+ MDIO_REG_GPHY_AUX_STATUS,
+ &legacy_status);
+ DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
+
+ /* Read status to clear the PHY interrupt. */
+ bnx2x_cl22_read(bp, phy,
+ MDIO_REG_INTR_STATUS,
+ &val);
+
+ link_up = ((legacy_status & (1<<2)) == (1<<2));
+
+ if (link_up) {
+ legacy_speed = (legacy_status & (7<<8));
+ if (legacy_speed == (7<<8)) {
+ vars->line_speed = SPEED_1000;
+ vars->duplex = DUPLEX_FULL;
+ } else if (legacy_speed == (6<<8)) {
+ vars->line_speed = SPEED_1000;
+ vars->duplex = DUPLEX_HALF;
+ } else if (legacy_speed == (5<<8)) {
+ vars->line_speed = SPEED_100;
+ vars->duplex = DUPLEX_FULL;
+ }
+ /* Omitting 100Base-T4 for now */
+ else if (legacy_speed == (3<<8)) {
+ vars->line_speed = SPEED_100;
+ vars->duplex = DUPLEX_HALF;
+ } else if (legacy_speed == (2<<8)) {
+ vars->line_speed = SPEED_10;
+ vars->duplex = DUPLEX_FULL;
+ } else if (legacy_speed == (1<<8)) {
+ vars->line_speed = SPEED_10;
+ vars->duplex = DUPLEX_HALF;
+ } else /* Should not happen */
+ vars->line_speed = 0;
+
+ DP(NETIF_MSG_LINK,
+ "Link is up in %dMbps, is_duplex_full= %d\n",
+ vars->line_speed,
+ (vars->duplex == DUPLEX_FULL));
+
+ /* Check legacy speed AN resolution */
+ bnx2x_cl22_read(bp, phy,
+ 0x01,
+ &val);
+ if (val & (1<<5))
+ vars->link_status |=
+ LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
+ bnx2x_cl22_read(bp, phy,
+ 0x06,
+ &val);
+ if ((val & (1<<0)) == 0)
+ vars->link_status |=
+ LINK_STATUS_PARALLEL_DETECTION_USED;
+
+ DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
+ vars->line_speed);
+
+ bnx2x_ext_phy_resolve_fc(phy, params, vars);
+
+ if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
+ /* Report LP advertised speeds */
+ bnx2x_cl22_read(bp, phy, 0x5, &val);
+
+ if (val & (1<<5))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
+ if (val & (1<<6))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
+ if (val & (1<<7))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
+ if (val & (1<<8))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
+ if (val & (1<<9))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
+
+ bnx2x_cl22_read(bp, phy, 0xa, &val);
+ if (val & (1<<10))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
+ if (val & (1<<11))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
+
+ if ((phy->flags & FLAGS_EEE) &&
+ bnx2x_eee_has_cap(params))
+ bnx2x_eee_an_resolve(phy, params, vars);
+ }
+ }
+ return link_up;
+}
+
+static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u16 val;
+ u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
+
+ DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
+
+ /* Enable master/slave manual mmode and set to master */
+ /* mii write 9 [bits set 11 12] */
+ bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
+
+ /* forced 1G and disable autoneg */
+ /* set val [mii read 0] */
+ /* set val [expr $val & [bits clear 6 12 13]] */
+ /* set val [expr $val | [bits set 6 8]] */
+ /* mii write 0 $val */
+ bnx2x_cl22_read(bp, phy, 0x00, &val);
+ val &= ~((1<<6) | (1<<12) | (1<<13));
+ val |= (1<<6) | (1<<8);
+ bnx2x_cl22_write(bp, phy, 0x00, val);
+
+ /* Set external loopback and Tx using 6dB coding */
+ /* mii write 0x18 7 */
+ /* set val [mii read 0x18] */
+ /* mii write 0x18 [expr $val | [bits set 10 15]] */
+ bnx2x_cl22_write(bp, phy, 0x18, 7);
+ bnx2x_cl22_read(bp, phy, 0x18, &val);
+ bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
+
+ /* This register opens the gate for the UMAC despite its name */
+ REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
+
+ /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
+ * length used by the MAC receive logic to check frames.
+ */
+ REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
+}
+
+/******************************************************************/
+/* SFX7101 PHY SECTION */
+/******************************************************************/
+static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
+ struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ /* SFX7101_XGXS_TEST1 */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
+}
+
+static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ u16 fw_ver1, fw_ver2, val;
+ struct bnx2x *bp = params->bp;
+ DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
+
+ /* Restore normal power mode*/
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
+ MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
+ /* HW reset */
+ bnx2x_ext_phy_hw_reset(bp, params->port);
+ bnx2x_wait_reset_complete(bp, phy, params);
+
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
+ DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
+
+ bnx2x_ext_phy_set_pause(params, phy, vars);
+ /* Restart autoneg */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
+ val |= 0x200;
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
+
+ /* Save spirom version */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
+ bnx2x_save_spirom_version(bp, params->port,
+ (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
+ return 0;
+}
+
+static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u8 link_up;
+ u16 val1, val2;
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
+ DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
+ val2, val1);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
+ DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
+ val2, val1);
+ link_up = ((val1 & 4) == 4);
+ /* If link is up print the AN outcome of the SFX7101 PHY */
+ if (link_up) {
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
+ &val2);
+ vars->line_speed = SPEED_10000;
+ vars->duplex = DUPLEX_FULL;
+ DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
+ val2, (val2 & (1<<14)));
+ bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
+ bnx2x_ext_phy_resolve_fc(phy, params, vars);
+
+ /* Read LP advertised speeds */
+ if (val2 & (1<<11))
+ vars->link_status |=
+ LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
+ }
+ return link_up;
+}
+
+static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
+{
+ if (*len < 5)
+ return -EINVAL;
+ str[0] = (spirom_ver & 0xFF);
+ str[1] = (spirom_ver & 0xFF00) >> 8;
+ str[2] = (spirom_ver & 0xFF0000) >> 16;
+ str[3] = (spirom_ver & 0xFF000000) >> 24;
+ str[4] = '\0';
+ *len -= 5;
+ return 0;
+}
+
+void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
+{
+ u16 val, cnt;
+
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_7101_RESET, &val);
+
+ for (cnt = 0; cnt < 10; cnt++) {
+ msleep(50);
+ /* Writes a self-clearing reset */
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_7101_RESET,
+ (val | (1<<15)));
+ /* Wait for clear */
+ bnx2x_cl45_read(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_7101_RESET, &val);
+
+ if ((val & (1<<15)) == 0)
+ break;
+ }
+}
+
+static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
+ struct link_params *params) {
+ /* Low power mode is controlled by GPIO 2 */
+ bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
+ MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
+ /* The PHY reset is controlled by GPIO 1 */
+ bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
+ MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
+}
+
+static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
+ struct link_params *params, u8 mode)
+{
+ u16 val = 0;
+ struct bnx2x *bp = params->bp;
+ switch (mode) {
+ case LED_MODE_FRONT_PANEL_OFF:
+ case LED_MODE_OFF:
+ val = 2;
+ break;
+ case LED_MODE_ON:
+ val = 1;
+ break;
+ case LED_MODE_OPER:
+ val = 0;
+ break;
+ }
+ bnx2x_cl45_write(bp, phy,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_7107_LINK_LED_CNTL,
+ val);
+}
+
+/******************************************************************/
+/* STATIC PHY DECLARATION */
+/******************************************************************/
+
+static const struct bnx2x_phy phy_null = {
+ .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
+ .addr = 0,
+ .def_md_devad = 0,
+ .flags = FLAGS_INIT_XGXS_FIRST,
+ .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .mdio_ctrl = 0,
+ .supported = 0,
+ .media_type = ETH_PHY_NOT_PRESENT,
+ .ver_addr = 0,
+ .req_flow_ctrl = 0,
+ .req_line_speed = 0,
+ .speed_cap_mask = 0,
+ .req_duplex = 0,
+ .rsrv = 0,
+ .config_init = (config_init_t)NULL,
+ .read_status = (read_status_t)NULL,
+ .link_reset = (link_reset_t)NULL,
+ .config_loopback = (config_loopback_t)NULL,
+ .format_fw_ver = (format_fw_ver_t)NULL,
+ .hw_reset = (hw_reset_t)NULL,
+ .set_link_led = (set_link_led_t)NULL,
+ .phy_specific_func = (phy_specific_func_t)NULL
+};
+
+static const struct bnx2x_phy phy_serdes = {
+ .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
+ .addr = 0xff,
+ .def_md_devad = 0,
+ .flags = 0,
+ .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .mdio_ctrl = 0,
+ .supported = (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_2500baseX_Full |
+ SUPPORTED_TP |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause),
+ .media_type = ETH_PHY_BASE_T,
+ .ver_addr = 0,
+ .req_flow_ctrl = 0,
+ .req_line_speed = 0,
+ .speed_cap_mask = 0,
+ .req_duplex = 0,
+ .rsrv = 0,
+ .config_init = (config_init_t)bnx2x_xgxs_config_init,
+ .read_status = (read_status_t)bnx2x_link_settings_status,
+ .link_reset = (link_reset_t)bnx2x_int_link_reset,
+ .config_loopback = (config_loopback_t)NULL,
+ .format_fw_ver = (format_fw_ver_t)NULL,
+ .hw_reset = (hw_reset_t)NULL,
+ .set_link_led = (set_link_led_t)NULL,
+ .phy_specific_func = (phy_specific_func_t)NULL
+};
+
+static const struct bnx2x_phy phy_xgxs = {
+ .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
+ .addr = 0xff,
+ .def_md_devad = 0,
+ .flags = 0,
+ .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .mdio_ctrl = 0,
+ .supported = (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_2500baseX_Full |
+ SUPPORTED_10000baseT_Full |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause),
+ .media_type = ETH_PHY_CX4,
+ .ver_addr = 0,
+ .req_flow_ctrl = 0,
+ .req_line_speed = 0,
+ .speed_cap_mask = 0,
+ .req_duplex = 0,
+ .rsrv = 0,
+ .config_init = (config_init_t)bnx2x_xgxs_config_init,
+ .read_status = (read_status_t)bnx2x_link_settings_status,
+ .link_reset = (link_reset_t)bnx2x_int_link_reset,
+ .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
+ .format_fw_ver = (format_fw_ver_t)NULL,
+ .hw_reset = (hw_reset_t)NULL,
+ .set_link_led = (set_link_led_t)NULL,
+ .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
+};
+static const struct bnx2x_phy phy_warpcore = {
+ .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
+ .addr = 0xff,
+ .def_md_devad = 0,
+ .flags = FLAGS_TX_ERROR_CHECK,
+ .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .mdio_ctrl = 0,
+ .supported = (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_10000baseT_Full |
+ SUPPORTED_20000baseKR2_Full |
+ SUPPORTED_20000baseMLD2_Full |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause),
+ .media_type = ETH_PHY_UNSPECIFIED,
+ .ver_addr = 0,
+ .req_flow_ctrl = 0,
+ .req_line_speed = 0,
+ .speed_cap_mask = 0,
+ /* req_duplex = */0,
+ /* rsrv = */0,
+ .config_init = (config_init_t)bnx2x_warpcore_config_init,
+ .read_status = (read_status_t)bnx2x_warpcore_read_status,
+ .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
+ .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
+ .format_fw_ver = (format_fw_ver_t)NULL,
+ .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
+ .set_link_led = (set_link_led_t)NULL,
+ .phy_specific_func = (phy_specific_func_t)NULL
+};
+
+
+static const struct bnx2x_phy phy_7101 = {
+ .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
+ .addr = 0xff,
+ .def_md_devad = 0,
+ .flags = FLAGS_FAN_FAILURE_DET_REQ,
+ .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .mdio_ctrl = 0,
+ .supported = (SUPPORTED_10000baseT_Full |
+ SUPPORTED_TP |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause),
+ .media_type = ETH_PHY_BASE_T,
+ .ver_addr = 0,
+ .req_flow_ctrl = 0,
+ .req_line_speed = 0,
+ .speed_cap_mask = 0,
+ .req_duplex = 0,
+ .rsrv = 0,
+ .config_init = (config_init_t)bnx2x_7101_config_init,
+ .read_status = (read_status_t)bnx2x_7101_read_status,
+ .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
+ .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
+ .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
+ .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
+ .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
+ .phy_specific_func = (phy_specific_func_t)NULL
+};
+static const struct bnx2x_phy phy_8073 = {
+ .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
+ .addr = 0xff,
+ .def_md_devad = 0,
+ .flags = 0,
+ .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .mdio_ctrl = 0,
+ .supported = (SUPPORTED_10000baseT_Full |
+ SUPPORTED_2500baseX_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause),
+ .media_type = ETH_PHY_KR,
+ .ver_addr = 0,
+ .req_flow_ctrl = 0,
+ .req_line_speed = 0,
+ .speed_cap_mask = 0,
+ .req_duplex = 0,
+ .rsrv = 0,
+ .config_init = (config_init_t)bnx2x_8073_config_init,
+ .read_status = (read_status_t)bnx2x_8073_read_status,
+ .link_reset = (link_reset_t)bnx2x_8073_link_reset,
+ .config_loopback = (config_loopback_t)NULL,
+ .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
+ .hw_reset = (hw_reset_t)NULL,
+ .set_link_led = (set_link_led_t)NULL,
+ .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
+};
+static const struct bnx2x_phy phy_8705 = {
+ .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
+ .addr = 0xff,
+ .def_md_devad = 0,
+ .flags = FLAGS_INIT_XGXS_FIRST,
+ .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .mdio_ctrl = 0,
+ .supported = (SUPPORTED_10000baseT_Full |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause),
+ .media_type = ETH_PHY_XFP_FIBER,
+ .ver_addr = 0,
+ .req_flow_ctrl = 0,
+ .req_line_speed = 0,
+ .speed_cap_mask = 0,
+ .req_duplex = 0,
+ .rsrv = 0,
+ .config_init = (config_init_t)bnx2x_8705_config_init,
+ .read_status = (read_status_t)bnx2x_8705_read_status,
+ .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
+ .config_loopback = (config_loopback_t)NULL,
+ .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
+ .hw_reset = (hw_reset_t)NULL,
+ .set_link_led = (set_link_led_t)NULL,
+ .phy_specific_func = (phy_specific_func_t)NULL
+};
+static const struct bnx2x_phy phy_8706 = {
+ .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
+ .addr = 0xff,
+ .def_md_devad = 0,
+ .flags = FLAGS_INIT_XGXS_FIRST,
+ .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .mdio_ctrl = 0,
+ .supported = (SUPPORTED_10000baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause),
+ .media_type = ETH_PHY_SFPP_10G_FIBER,
+ .ver_addr = 0,
+ .req_flow_ctrl = 0,
+ .req_line_speed = 0,
+ .speed_cap_mask = 0,
+ .req_duplex = 0,
+ .rsrv = 0,
+ .config_init = (config_init_t)bnx2x_8706_config_init,
+ .read_status = (read_status_t)bnx2x_8706_read_status,
+ .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
+ .config_loopback = (config_loopback_t)NULL,
+ .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
+ .hw_reset = (hw_reset_t)NULL,
+ .set_link_led = (set_link_led_t)NULL,
+ .phy_specific_func = (phy_specific_func_t)NULL
+};
+
+static const struct bnx2x_phy phy_8726 = {
+ .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
+ .addr = 0xff,
+ .def_md_devad = 0,
+ .flags = (FLAGS_INIT_XGXS_FIRST |
+ FLAGS_TX_ERROR_CHECK),
+ .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .mdio_ctrl = 0,
+ .supported = (SUPPORTED_10000baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_Autoneg |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause),
+ .media_type = ETH_PHY_NOT_PRESENT,
+ .ver_addr = 0,
+ .req_flow_ctrl = 0,
+ .req_line_speed = 0,
+ .speed_cap_mask = 0,
+ .req_duplex = 0,
+ .rsrv = 0,
+ .config_init = (config_init_t)bnx2x_8726_config_init,
+ .read_status = (read_status_t)bnx2x_8726_read_status,
+ .link_reset = (link_reset_t)bnx2x_8726_link_reset,
+ .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
+ .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
+ .hw_reset = (hw_reset_t)NULL,
+ .set_link_led = (set_link_led_t)NULL,
+ .phy_specific_func = (phy_specific_func_t)NULL
+};
+
+static const struct bnx2x_phy phy_8727 = {
+ .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
+ .addr = 0xff,
+ .def_md_devad = 0,
+ .flags = (FLAGS_FAN_FAILURE_DET_REQ |
+ FLAGS_TX_ERROR_CHECK),
+ .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .mdio_ctrl = 0,
+ .supported = (SUPPORTED_10000baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause),
+ .media_type = ETH_PHY_NOT_PRESENT,
+ .ver_addr = 0,
+ .req_flow_ctrl = 0,
+ .req_line_speed = 0,
+ .speed_cap_mask = 0,
+ .req_duplex = 0,
+ .rsrv = 0,
+ .config_init = (config_init_t)bnx2x_8727_config_init,
+ .read_status = (read_status_t)bnx2x_8727_read_status,
+ .link_reset = (link_reset_t)bnx2x_8727_link_reset,
+ .config_loopback = (config_loopback_t)NULL,
+ .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
+ .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
+ .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
+ .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
+};
+static const struct bnx2x_phy phy_8481 = {
+ .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+ .addr = 0xff,
+ .def_md_devad = 0,
+ .flags = FLAGS_FAN_FAILURE_DET_REQ |
+ FLAGS_REARM_LATCH_SIGNAL,
+ .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .mdio_ctrl = 0,
+ .supported = (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_10000baseT_Full |
+ SUPPORTED_TP |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause),
+ .media_type = ETH_PHY_BASE_T,
+ .ver_addr = 0,
+ .req_flow_ctrl = 0,
+ .req_line_speed = 0,
+ .speed_cap_mask = 0,
+ .req_duplex = 0,
+ .rsrv = 0,
+ .config_init = (config_init_t)bnx2x_8481_config_init,
+ .read_status = (read_status_t)bnx2x_848xx_read_status,
+ .link_reset = (link_reset_t)bnx2x_8481_link_reset,
+ .config_loopback = (config_loopback_t)NULL,
+ .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
+ .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
+ .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
+ .phy_specific_func = (phy_specific_func_t)NULL
+};
+
+static const struct bnx2x_phy phy_84823 = {
+ .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
+ .addr = 0xff,
+ .def_md_devad = 0,
+ .flags = (FLAGS_FAN_FAILURE_DET_REQ |
+ FLAGS_REARM_LATCH_SIGNAL |
+ FLAGS_TX_ERROR_CHECK),
+ .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .mdio_ctrl = 0,
+ .supported = (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_10000baseT_Full |
+ SUPPORTED_TP |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause),
+ .media_type = ETH_PHY_BASE_T,
+ .ver_addr = 0,
+ .req_flow_ctrl = 0,
+ .req_line_speed = 0,
+ .speed_cap_mask = 0,
+ .req_duplex = 0,
+ .rsrv = 0,
+ .config_init = (config_init_t)bnx2x_848x3_config_init,
+ .read_status = (read_status_t)bnx2x_848xx_read_status,
+ .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
+ .config_loopback = (config_loopback_t)NULL,
+ .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
+ .hw_reset = (hw_reset_t)NULL,
+ .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
+ .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
+};
+
+static const struct bnx2x_phy phy_84833 = {
+ .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
+ .addr = 0xff,
+ .def_md_devad = 0,
+ .flags = (FLAGS_FAN_FAILURE_DET_REQ |
+ FLAGS_REARM_LATCH_SIGNAL |
+ FLAGS_TX_ERROR_CHECK),
+ .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .mdio_ctrl = 0,
+ .supported = (SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_10000baseT_Full |
+ SUPPORTED_TP |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause),
+ .media_type = ETH_PHY_BASE_T,
+ .ver_addr = 0,
+ .req_flow_ctrl = 0,
+ .req_line_speed = 0,
+ .speed_cap_mask = 0,
+ .req_duplex = 0,
+ .rsrv = 0,
+ .config_init = (config_init_t)bnx2x_848x3_config_init,
+ .read_status = (read_status_t)bnx2x_848xx_read_status,
+ .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
+ .config_loopback = (config_loopback_t)NULL,
+ .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
+ .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
+ .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
+ .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
+};
+
+static const struct bnx2x_phy phy_84834 = {
+ .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
+ .addr = 0xff,
+ .def_md_devad = 0,
+ .flags = FLAGS_FAN_FAILURE_DET_REQ |
+ FLAGS_REARM_LATCH_SIGNAL,
+ .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .mdio_ctrl = 0,
+ .supported = (SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_10000baseT_Full |
+ SUPPORTED_TP |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause),
+ .media_type = ETH_PHY_BASE_T,
+ .ver_addr = 0,
+ .req_flow_ctrl = 0,
+ .req_line_speed = 0,
+ .speed_cap_mask = 0,
+ .req_duplex = 0,
+ .rsrv = 0,
+ .config_init = (config_init_t)bnx2x_848x3_config_init,
+ .read_status = (read_status_t)bnx2x_848xx_read_status,
+ .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
+ .config_loopback = (config_loopback_t)NULL,
+ .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
+ .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
+ .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
+ .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
+};
+
+static const struct bnx2x_phy phy_54618se = {
+ .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
+ .addr = 0xff,
+ .def_md_devad = 0,
+ .flags = FLAGS_INIT_XGXS_FIRST,
+ .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .mdio_ctrl = 0,
+ .supported = (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_TP |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause),
+ .media_type = ETH_PHY_BASE_T,
+ .ver_addr = 0,
+ .req_flow_ctrl = 0,
+ .req_line_speed = 0,
+ .speed_cap_mask = 0,
+ /* req_duplex = */0,
+ /* rsrv = */0,
+ .config_init = (config_init_t)bnx2x_54618se_config_init,
+ .read_status = (read_status_t)bnx2x_54618se_read_status,
+ .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
+ .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
+ .format_fw_ver = (format_fw_ver_t)NULL,
+ .hw_reset = (hw_reset_t)NULL,
+ .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
+ .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
+};
+/*****************************************************************/
+/* */
+/* Populate the phy according. Main function: bnx2x_populate_phy */
+/* */
+/*****************************************************************/
+
+static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
+ struct bnx2x_phy *phy, u8 port,
+ u8 phy_index)
+{
+ /* Get the 4 lanes xgxs config rx and tx */
+ u32 rx = 0, tx = 0, i;
+ for (i = 0; i < 2; i++) {
+ /* INT_PHY and EXT_PHY1 share the same value location in
+ * the shmem. When num_phys is greater than 1, than this value
+ * applies only to EXT_PHY1
+ */
+ if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
+ rx = REG_RD(bp, shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
+
+ tx = REG_RD(bp, shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
+ } else {
+ rx = REG_RD(bp, shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
+
+ tx = REG_RD(bp, shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
+ }
+
+ phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
+ phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
+
+ phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
+ phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
+ }
+}
+
+static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
+ u8 phy_index, u8 port)
+{
+ u32 ext_phy_config = 0;
+ switch (phy_index) {
+ case EXT_PHY1:
+ ext_phy_config = REG_RD(bp, shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].external_phy_config));
+ break;
+ case EXT_PHY2:
+ ext_phy_config = REG_RD(bp, shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].external_phy_config2));
+ break;
+ default:
+ DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
+ return -EINVAL;
+ }
+
+ return ext_phy_config;
+}
+static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
+ struct bnx2x_phy *phy)
+{
+ u32 phy_addr;
+ u32 chip_id;
+ u32 switch_cfg = (REG_RD(bp, shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_feature_config[port].link_config)) &
+ PORT_FEATURE_CONNECTED_SWITCH_MASK);
+ chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
+ ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
+
+ DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
+ if (USES_WARPCORE(bp)) {
+ u32 serdes_net_if;
+ phy_addr = REG_RD(bp,
+ MISC_REG_WC0_CTRL_PHY_ADDR);
+ *phy = phy_warpcore;
+ if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
+ phy->flags |= FLAGS_4_PORT_MODE;
+ else
+ phy->flags &= ~FLAGS_4_PORT_MODE;
+ /* Check Dual mode */
+ serdes_net_if = (REG_RD(bp, shmem_base +
+ offsetof(struct shmem_region, dev_info.
+ port_hw_config[port].default_cfg)) &
+ PORT_HW_CFG_NET_SERDES_IF_MASK);
+ /* Set the appropriate supported and flags indications per
+ * interface type of the chip
+ */
+ switch (serdes_net_if) {
+ case PORT_HW_CFG_NET_SERDES_IF_SGMII:
+ phy->supported &= (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause);
+ phy->media_type = ETH_PHY_BASE_T;
+ break;
+ case PORT_HW_CFG_NET_SERDES_IF_XFI:
+ phy->supported &= (SUPPORTED_1000baseT_Full |
+ SUPPORTED_10000baseT_Full |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause);
+ phy->media_type = ETH_PHY_XFP_FIBER;
+ break;
+ case PORT_HW_CFG_NET_SERDES_IF_SFI:
+ phy->supported &= (SUPPORTED_1000baseT_Full |
+ SUPPORTED_10000baseT_Full |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause);
+ phy->media_type = ETH_PHY_SFPP_10G_FIBER;
+ break;
+ case PORT_HW_CFG_NET_SERDES_IF_KR:
+ phy->media_type = ETH_PHY_KR;
+ phy->supported &= (SUPPORTED_1000baseT_Full |
+ SUPPORTED_10000baseT_Full |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause);
+ break;
+ case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
+ phy->media_type = ETH_PHY_KR;
+ phy->flags |= FLAGS_WC_DUAL_MODE;
+ phy->supported &= (SUPPORTED_20000baseMLD2_Full |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause);
+ break;
+ case PORT_HW_CFG_NET_SERDES_IF_KR2:
+ phy->media_type = ETH_PHY_KR;
+ phy->flags |= FLAGS_WC_DUAL_MODE;
+ phy->supported &= (SUPPORTED_20000baseKR2_Full |
+ SUPPORTED_10000baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_Autoneg |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause);
+ phy->flags &= ~FLAGS_TX_ERROR_CHECK;
+ break;
+ default:
+ DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
+ serdes_net_if);
+ break;
+ }
+
+ /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
+ * was not set as expected. For B0, ECO will be enabled so there
+ * won't be an issue there
+ */
+ if (CHIP_REV(bp) == CHIP_REV_Ax)
+ phy->flags |= FLAGS_MDC_MDIO_WA;
+ else
+ phy->flags |= FLAGS_MDC_MDIO_WA_B0;
+ } else {
+ switch (switch_cfg) {
+ case SWITCH_CFG_1G:
+ phy_addr = REG_RD(bp,
+ NIG_REG_SERDES0_CTRL_PHY_ADDR +
+ port * 0x10);
+ *phy = phy_serdes;
+ break;
+ case SWITCH_CFG_10G:
+ phy_addr = REG_RD(bp,
+ NIG_REG_XGXS0_CTRL_PHY_ADDR +
+ port * 0x18);
+ *phy = phy_xgxs;
+ break;
+ default:
+ DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
+ return -EINVAL;
+ }
+ }
+ phy->addr = (u8)phy_addr;
+ phy->mdio_ctrl = bnx2x_get_emac_base(bp,
+ SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
+ port);
+ if (CHIP_IS_E2(bp))
+ phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
+ else
+ phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
+
+ DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
+ port, phy->addr, phy->mdio_ctrl);
+
+ bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
+ return 0;
+}
+
+static int bnx2x_populate_ext_phy(struct bnx2x *bp,
+ u8 phy_index,
+ u32 shmem_base,
+ u32 shmem2_base,
+ u8 port,
+ struct bnx2x_phy *phy)
+{
+ u32 ext_phy_config, phy_type, config2;
+ u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
+ ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
+ phy_index, port);
+ phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
+ /* Select the phy type */
+ switch (phy_type) {
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
+ mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
+ *phy = phy_8073;
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
+ *phy = phy_8705;
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
+ *phy = phy_8706;
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
+ mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
+ *phy = phy_8726;
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
+ /* BCM8727_NOC => BCM8727 no over current */
+ mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
+ *phy = phy_8727;
+ phy->flags |= FLAGS_NOC;
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
+ mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
+ *phy = phy_8727;
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
+ *phy = phy_8481;
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
+ *phy = phy_84823;
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
+ *phy = phy_84833;
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
+ *phy = phy_84834;
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
+ *phy = phy_54618se;
+ if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
+ phy->flags |= FLAGS_EEE;
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
+ *phy = phy_7101;
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
+ *phy = phy_null;
+ return -EINVAL;
+ default:
+ *phy = phy_null;
+ /* In case external PHY wasn't found */
+ if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
+ (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
+ return -EINVAL;
+ return 0;
+ }
+
+ phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
+ bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
+
+ /* The shmem address of the phy version is located on different
+ * structures. In case this structure is too old, do not set
+ * the address
+ */
+ config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
+ dev_info.shared_hw_config.config2));
+ if (phy_index == EXT_PHY1) {
+ phy->ver_addr = shmem_base + offsetof(struct shmem_region,
+ port_mb[port].ext_phy_fw_version);
+
+ /* Check specific mdc mdio settings */
+ if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
+ mdc_mdio_access = config2 &
+ SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
+ } else {
+ u32 size = REG_RD(bp, shmem2_base);
+
+ if (size >
+ offsetof(struct shmem2_region, ext_phy_fw_version2)) {
+ phy->ver_addr = shmem2_base +
+ offsetof(struct shmem2_region,
+ ext_phy_fw_version2[port]);
+ }
+ /* Check specific mdc mdio settings */
+ if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
+ mdc_mdio_access = (config2 &
+ SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
+ (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
+ SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
+ }
+ phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
+
+ if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
+ (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
+ (phy->ver_addr)) {
+ /* Remove 100Mb link supported for BCM84833/4 when phy fw
+ * version lower than or equal to 1.39
+ */
+ u32 raw_ver = REG_RD(bp, phy->ver_addr);
+ if (((raw_ver & 0x7F) <= 39) &&
+ (((raw_ver & 0xF80) >> 7) <= 1))
+ phy->supported &= ~(SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full);
+ }
+
+ DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
+ phy_type, port, phy_index);
+ DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
+ phy->addr, phy->mdio_ctrl);
+ return 0;
+}
+
+static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
+ u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
+{
+ int status = 0;
+ phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
+ if (phy_index == INT_PHY)
+ return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
+ status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
+ port, phy);
+ return status;
+}
+
+static void bnx2x_phy_def_cfg(struct link_params *params,
+ struct bnx2x_phy *phy,
+ u8 phy_index)
+{
+ struct bnx2x *bp = params->bp;
+ u32 link_config;
+ /* Populate the default phy configuration for MF mode */
+ if (phy_index == EXT_PHY2) {
+ link_config = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region, dev_info.
+ port_feature_config[params->port].link_config2));
+ phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.
+ port_hw_config[params->port].speed_capability_mask2));
+ } else {
+ link_config = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region, dev_info.
+ port_feature_config[params->port].link_config));
+ phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.
+ port_hw_config[params->port].speed_capability_mask));
+ }
+ DP(NETIF_MSG_LINK,
+ "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
+ phy_index, link_config, phy->speed_cap_mask);
+
+ phy->req_duplex = DUPLEX_FULL;
+ switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
+ case PORT_FEATURE_LINK_SPEED_10M_HALF:
+ phy->req_duplex = DUPLEX_HALF;
+ case PORT_FEATURE_LINK_SPEED_10M_FULL:
+ phy->req_line_speed = SPEED_10;
+ break;
+ case PORT_FEATURE_LINK_SPEED_100M_HALF:
+ phy->req_duplex = DUPLEX_HALF;
+ case PORT_FEATURE_LINK_SPEED_100M_FULL:
+ phy->req_line_speed = SPEED_100;
+ break;
+ case PORT_FEATURE_LINK_SPEED_1G:
+ phy->req_line_speed = SPEED_1000;
+ break;
+ case PORT_FEATURE_LINK_SPEED_2_5G:
+ phy->req_line_speed = SPEED_2500;
+ break;
+ case PORT_FEATURE_LINK_SPEED_10G_CX4:
+ phy->req_line_speed = SPEED_10000;
+ break;
+ default:
+ phy->req_line_speed = SPEED_AUTO_NEG;
+ break;
+ }
+
+ switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
+ case PORT_FEATURE_FLOW_CONTROL_AUTO:
+ phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
+ break;
+ case PORT_FEATURE_FLOW_CONTROL_TX:
+ phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
+ break;
+ case PORT_FEATURE_FLOW_CONTROL_RX:
+ phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
+ break;
+ case PORT_FEATURE_FLOW_CONTROL_BOTH:
+ phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
+ break;
+ default:
+ phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
+ break;
+ }
+}
+
+u32 bnx2x_phy_selection(struct link_params *params)
+{
+ u32 phy_config_swapped, prio_cfg;
+ u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
+
+ phy_config_swapped = params->multi_phy_config &
+ PORT_HW_CFG_PHY_SWAPPED_ENABLED;
+
+ prio_cfg = params->multi_phy_config &
+ PORT_HW_CFG_PHY_SELECTION_MASK;
+
+ if (phy_config_swapped) {
+ switch (prio_cfg) {
+ case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
+ return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
+ break;
+ case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
+ return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
+ break;
+ case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
+ return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
+ break;
+ case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
+ return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
+ break;
+ }
+ } else
+ return_cfg = prio_cfg;
+
+ return return_cfg;
+}
+
+int bnx2x_phy_probe(struct link_params *params)
+{
+ u8 phy_index, actual_phy_idx;
+ u32 phy_config_swapped, sync_offset, media_types;
+ struct bnx2x *bp = params->bp;
+ struct bnx2x_phy *phy;
+ params->num_phys = 0;
+ DP(NETIF_MSG_LINK, "Begin phy probe\n");
+ phy_config_swapped = params->multi_phy_config &
+ PORT_HW_CFG_PHY_SWAPPED_ENABLED;
+
+ for (phy_index = INT_PHY; phy_index < MAX_PHYS;
+ phy_index++) {
+ actual_phy_idx = phy_index;
+ if (phy_config_swapped) {
+ if (phy_index == EXT_PHY1)
+ actual_phy_idx = EXT_PHY2;
+ else if (phy_index == EXT_PHY2)
+ actual_phy_idx = EXT_PHY1;
+ }
+ DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
+ " actual_phy_idx %x\n", phy_config_swapped,
+ phy_index, actual_phy_idx);
+ phy = ¶ms->phy[actual_phy_idx];
+ if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
+ params->shmem2_base, params->port,
+ phy) != 0) {
+ params->num_phys = 0;
+ DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
+ phy_index);
+ for (phy_index = INT_PHY;
+ phy_index < MAX_PHYS;
+ phy_index++)
+ *phy = phy_null;
+ return -EINVAL;
+ }
+ if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
+ break;
+
+ if (params->feature_config_flags &
+ FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
+ phy->flags &= ~FLAGS_TX_ERROR_CHECK;
+
+ if (!(params->feature_config_flags &
+ FEATURE_CONFIG_MT_SUPPORT))
+ phy->flags |= FLAGS_MDC_MDIO_WA_G;
+
+ sync_offset = params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[params->port].media_type);
+ media_types = REG_RD(bp, sync_offset);
+
+ /* Update media type for non-PMF sync only for the first time
+ * In case the media type changes afterwards, it will be updated
+ * using the update_status function
+ */
+ if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
+ (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
+ actual_phy_idx))) == 0) {
+ media_types |= ((phy->media_type &
+ PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
+ (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
+ actual_phy_idx));
+ }
+ REG_WR(bp, sync_offset, media_types);
+
+ bnx2x_phy_def_cfg(params, phy, phy_index);
+ params->num_phys++;
+ }
+
+ DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
+ return 0;
+}
+
+static void bnx2x_init_bmac_loopback(struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ vars->link_up = 1;
+ vars->line_speed = SPEED_10000;
+ vars->duplex = DUPLEX_FULL;
+ vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
+ vars->mac_type = MAC_TYPE_BMAC;
+
+ vars->phy_flags = PHY_XGXS_FLAG;
+
+ bnx2x_xgxs_deassert(params);
+
+ /* Set bmac loopback */
+ bnx2x_bmac_enable(params, vars, 1, 1);
+
+ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
+}
+
+static void bnx2x_init_emac_loopback(struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ vars->link_up = 1;
+ vars->line_speed = SPEED_1000;
+ vars->duplex = DUPLEX_FULL;
+ vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
+ vars->mac_type = MAC_TYPE_EMAC;
+
+ vars->phy_flags = PHY_XGXS_FLAG;
+
+ bnx2x_xgxs_deassert(params);
+ /* Set bmac loopback */
+ bnx2x_emac_enable(params, vars, 1);
+ bnx2x_emac_program(params, vars);
+ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
+}
+
+static void bnx2x_init_xmac_loopback(struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ vars->link_up = 1;
+ if (!params->req_line_speed[0])
+ vars->line_speed = SPEED_10000;
+ else
+ vars->line_speed = params->req_line_speed[0];
+ vars->duplex = DUPLEX_FULL;
+ vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
+ vars->mac_type = MAC_TYPE_XMAC;
+ vars->phy_flags = PHY_XGXS_FLAG;
+ /* Set WC to loopback mode since link is required to provide clock
+ * to the XMAC in 20G mode
+ */
+ bnx2x_set_aer_mmd(params, ¶ms->phy[0]);
+ bnx2x_warpcore_reset_lane(bp, ¶ms->phy[0], 0);
+ params->phy[INT_PHY].config_loopback(
+ ¶ms->phy[INT_PHY],
+ params);
+
+ bnx2x_xmac_enable(params, vars, 1);
+ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
+}
+
+static void bnx2x_init_umac_loopback(struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ vars->link_up = 1;
+ vars->line_speed = SPEED_1000;
+ vars->duplex = DUPLEX_FULL;
+ vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
+ vars->mac_type = MAC_TYPE_UMAC;
+ vars->phy_flags = PHY_XGXS_FLAG;
+ bnx2x_umac_enable(params, vars, 1);
+
+ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
+}
+
+static void bnx2x_init_xgxs_loopback(struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ struct bnx2x_phy *int_phy = ¶ms->phy[INT_PHY];
+ vars->link_up = 1;
+ vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
+ vars->duplex = DUPLEX_FULL;
+ if (params->req_line_speed[0] == SPEED_1000)
+ vars->line_speed = SPEED_1000;
+ else if ((params->req_line_speed[0] == SPEED_20000) ||
+ (int_phy->flags & FLAGS_WC_DUAL_MODE))
+ vars->line_speed = SPEED_20000;
+ else
+ vars->line_speed = SPEED_10000;
+
+ if (!USES_WARPCORE(bp))
+ bnx2x_xgxs_deassert(params);
+ bnx2x_link_initialize(params, vars);
+
+ if (params->req_line_speed[0] == SPEED_1000) {
+ if (USES_WARPCORE(bp))
+ bnx2x_umac_enable(params, vars, 0);
+ else {
+ bnx2x_emac_program(params, vars);
+ bnx2x_emac_enable(params, vars, 0);
+ }
+ } else {
+ if (USES_WARPCORE(bp))
+ bnx2x_xmac_enable(params, vars, 0);
+ else
+ bnx2x_bmac_enable(params, vars, 0, 1);
+ }
+
+ if (params->loopback_mode == LOOPBACK_XGXS) {
+ /* Set 10G XGXS loopback */
+ int_phy->config_loopback(int_phy, params);
+ } else {
+ /* Set external phy loopback */
+ u8 phy_index;
+ for (phy_index = EXT_PHY1;
+ phy_index < params->num_phys; phy_index++)
+ if (params->phy[phy_index].config_loopback)
+ params->phy[phy_index].config_loopback(
+ ¶ms->phy[phy_index],
+ params);
+ }
+ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
+
+ bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
+}
+
+void bnx2x_set_rx_filter(struct link_params *params, u8 en)
+{
+ struct bnx2x *bp = params->bp;
+ u8 val = en * 0x1F;
+
+ /* Open / close the gate between the NIG and the BRB */
+ if (!CHIP_IS_E1x(bp))
+ val |= en * 0x20;
+ REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
+
+ if (!CHIP_IS_E1(bp)) {
+ REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
+ en*0x3);
+ }
+
+ REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
+ NIG_REG_LLH0_BRB1_NOT_MCP), en);
+}
+static int bnx2x_avoid_link_flap(struct link_params *params,
+ struct link_vars *vars)
+{
+ u32 phy_idx;
+ u32 dont_clear_stat, lfa_sts;
+ struct bnx2x *bp = params->bp;
+
+ bnx2x_set_mdio_emac_per_phy(bp, params);
+ /* Sync the link parameters */
+ bnx2x_link_status_update(params, vars);
+
+ /*
+ * The module verification was already done by previous link owner,
+ * so this call is meant only to get warning message
+ */
+
+ for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
+ struct bnx2x_phy *phy = ¶ms->phy[phy_idx];
+ if (phy->phy_specific_func) {
+ DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
+ phy->phy_specific_func(phy, params, PHY_INIT);
+ }
+ if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
+ (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
+ (phy->media_type == ETH_PHY_DA_TWINAX))
+ bnx2x_verify_sfp_module(phy, params);
+ }
+ lfa_sts = REG_RD(bp, params->lfa_base +
+ offsetof(struct shmem_lfa,
+ lfa_sts));
+
+ dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
+
+ /* Re-enable the NIG/MAC */
+ if (CHIP_IS_E3(bp)) {
+ if (!dont_clear_stat) {
+ REG_WR(bp, GRCBASE_MISC +
+ MISC_REGISTERS_RESET_REG_2_CLEAR,
+ (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
+ params->port));
+ REG_WR(bp, GRCBASE_MISC +
+ MISC_REGISTERS_RESET_REG_2_SET,
+ (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
+ params->port));
+ }
+ if (vars->line_speed < SPEED_10000)
+ bnx2x_umac_enable(params, vars, 0);
+ else
+ bnx2x_xmac_enable(params, vars, 0);
+ } else {
+ if (vars->line_speed < SPEED_10000)
+ bnx2x_emac_enable(params, vars, 0);
+ else
+ bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
+ }
+
+ /* Increment LFA count */
+ lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
+ (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
+ LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
+ << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
+ /* Clear link flap reason */
+ lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
+
+ REG_WR(bp, params->lfa_base +
+ offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
+
+ /* Disable NIG DRAIN */
+ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
+
+ /* Enable interrupts */
+ bnx2x_link_int_enable(params);
+ return 0;
+}
+
+static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
+ struct link_vars *vars,
+ int lfa_status)
+{
+ u32 lfa_sts, cfg_idx, tmp_val;
+ struct bnx2x *bp = params->bp;
+
+ bnx2x_link_reset(params, vars, 1);
+
+ if (!params->lfa_base)
+ return;
+ /* Store the new link parameters */
+ REG_WR(bp, params->lfa_base +
+ offsetof(struct shmem_lfa, req_duplex),
+ params->req_duplex[0] | (params->req_duplex[1] << 16));
+
+ REG_WR(bp, params->lfa_base +
+ offsetof(struct shmem_lfa, req_flow_ctrl),
+ params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
+
+ REG_WR(bp, params->lfa_base +
+ offsetof(struct shmem_lfa, req_line_speed),
+ params->req_line_speed[0] | (params->req_line_speed[1] << 16));
+
+ for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
+ REG_WR(bp, params->lfa_base +
+ offsetof(struct shmem_lfa,
+ speed_cap_mask[cfg_idx]),
+ params->speed_cap_mask[cfg_idx]);
+ }
+
+ tmp_val = REG_RD(bp, params->lfa_base +
+ offsetof(struct shmem_lfa, additional_config));
+ tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
+ tmp_val |= params->req_fc_auto_adv;
+
+ REG_WR(bp, params->lfa_base +
+ offsetof(struct shmem_lfa, additional_config), tmp_val);
+
+ lfa_sts = REG_RD(bp, params->lfa_base +
+ offsetof(struct shmem_lfa, lfa_sts));
+
+ /* Clear the "Don't Clear Statistics" bit, and set reason */
+ lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
+
+ /* Set link flap reason */
+ lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
+ lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
+ LFA_LINK_FLAP_REASON_OFFSET);
+
+ /* Increment link flap counter */
+ lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
+ (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
+ LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
+ << LINK_FLAP_COUNT_OFFSET));
+ REG_WR(bp, params->lfa_base +
+ offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
+ /* Proceed with regular link initialization */
+}
+
+int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
+{
+ int lfa_status;
+ struct bnx2x *bp = params->bp;
+ DP(NETIF_MSG_LINK, "Phy Initialization started\n");
+ DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
+ params->req_line_speed[0], params->req_flow_ctrl[0]);
+ DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
+ params->req_line_speed[1], params->req_flow_ctrl[1]);
+ DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
+ vars->link_status = 0;
+ vars->phy_link_up = 0;
+ vars->link_up = 0;
+ vars->line_speed = 0;
+ vars->duplex = DUPLEX_FULL;
+ vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
+ vars->mac_type = MAC_TYPE_NONE;
+ vars->phy_flags = 0;
+ vars->check_kr2_recovery_cnt = 0;
+ params->link_flags = PHY_INITIALIZED;
+ /* Driver opens NIG-BRB filters */
+ bnx2x_set_rx_filter(params, 1);
+ bnx2x_chng_link_count(params, true);
+ /* Check if link flap can be avoided */
+ lfa_status = bnx2x_check_lfa(params);
+
+ if (lfa_status == 0) {
+ DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
+ return bnx2x_avoid_link_flap(params, vars);
+ }
+
+ DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
+ lfa_status);
+ bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
+
+ /* Disable attentions */
+ bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
+ (NIG_MASK_XGXS0_LINK_STATUS |
+ NIG_MASK_XGXS0_LINK10G |
+ NIG_MASK_SERDES0_LINK_STATUS |
+ NIG_MASK_MI_INT));
+
+ bnx2x_emac_init(params, vars);
+
+ if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
+ vars->link_status |= LINK_STATUS_PFC_ENABLED;
+
+ if (params->num_phys == 0) {
+ DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
+ return -EINVAL;
+ }
+ set_phy_vars(params, vars);
+
+ DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
+ switch (params->loopback_mode) {
+ case LOOPBACK_BMAC:
+ bnx2x_init_bmac_loopback(params, vars);
+ break;
+ case LOOPBACK_EMAC:
+ bnx2x_init_emac_loopback(params, vars);
+ break;
+ case LOOPBACK_XMAC:
+ bnx2x_init_xmac_loopback(params, vars);
+ break;
+ case LOOPBACK_UMAC:
+ bnx2x_init_umac_loopback(params, vars);
+ break;
+ case LOOPBACK_XGXS:
+ case LOOPBACK_EXT_PHY:
+ bnx2x_init_xgxs_loopback(params, vars);
+ break;
+ default:
+ if (!CHIP_IS_E3(bp)) {
+ if (params->switch_cfg == SWITCH_CFG_10G)
+ bnx2x_xgxs_deassert(params);
+ else
+ bnx2x_serdes_deassert(bp, params->port);
+ }
+ bnx2x_link_initialize(params, vars);
+ msleep(30);
+ bnx2x_link_int_enable(params);
+ break;
+ }
+ bnx2x_update_mng(params, vars->link_status);
+
+ bnx2x_update_mng_eee(params, vars->eee_status);
+ return 0;
+}
+
+int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
+ u8 reset_ext_phy)
+{
+ struct bnx2x *bp = params->bp;
+ u8 phy_index, port = params->port, clear_latch_ind = 0;
+ DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
+ /* Disable attentions */
+ vars->link_status = 0;
+ bnx2x_chng_link_count(params, true);
+ bnx2x_update_mng(params, vars->link_status);
+ vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
+ SHMEM_EEE_ACTIVE_BIT);
+ bnx2x_update_mng_eee(params, vars->eee_status);
+ bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
+ (NIG_MASK_XGXS0_LINK_STATUS |
+ NIG_MASK_XGXS0_LINK10G |
+ NIG_MASK_SERDES0_LINK_STATUS |
+ NIG_MASK_MI_INT));
+
+ /* Activate nig drain */
+ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
+
+ /* Disable nig egress interface */
+ if (!CHIP_IS_E3(bp)) {
+ REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
+ REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
+ }
+
+ if (!CHIP_IS_E3(bp)) {
+ bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
+ } else {
+ bnx2x_set_xmac_rxtx(params, 0);
+ bnx2x_set_umac_rxtx(params, 0);
+ }
+ /* Disable emac */
+ if (!CHIP_IS_E3(bp))
+ REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
+
+ usleep_range(10000, 20000);
+ /* The PHY reset is controlled by GPIO 1
+ * Hold it as vars low
+ */
+ /* Clear link led */
+ bnx2x_set_mdio_emac_per_phy(bp, params);
+ bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
+
+ if (reset_ext_phy) {
+ for (phy_index = EXT_PHY1; phy_index < params->num_phys;
+ phy_index++) {
+ if (params->phy[phy_index].link_reset) {
+ bnx2x_set_aer_mmd(params,
+ ¶ms->phy[phy_index]);
+ params->phy[phy_index].link_reset(
+ ¶ms->phy[phy_index],
+ params);
+ }
+ if (params->phy[phy_index].flags &
+ FLAGS_REARM_LATCH_SIGNAL)
+ clear_latch_ind = 1;
+ }
+ }
+
+ if (clear_latch_ind) {
+ /* Clear latching indication */
+ bnx2x_rearm_latch_signal(bp, port, 0);
+ bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
+ 1 << NIG_LATCH_BC_ENABLE_MI_INT);
+ }
+ if (params->phy[INT_PHY].link_reset)
+ params->phy[INT_PHY].link_reset(
+ ¶ms->phy[INT_PHY], params);
+
+ /* Disable nig ingress interface */
+ if (!CHIP_IS_E3(bp)) {
+ /* Reset BigMac */
+ REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
+ (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
+ REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
+ REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
+ } else {
+ u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
+ bnx2x_set_xumac_nig(params, 0, 0);
+ if (REG_RD(bp, MISC_REG_RESET_REG_2) &
+ MISC_REGISTERS_RESET_REG_2_XMAC)
+ REG_WR(bp, xmac_base + XMAC_REG_CTRL,
+ XMAC_CTRL_REG_SOFT_RESET);
+ }
+ vars->link_up = 0;
+ vars->phy_flags = 0;
+ return 0;
+}
+int bnx2x_lfa_reset(struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ vars->link_up = 0;
+ vars->phy_flags = 0;
+ params->link_flags &= ~PHY_INITIALIZED;
+ if (!params->lfa_base)
+ return bnx2x_link_reset(params, vars, 1);
+ /*
+ * Activate NIG drain so that during this time the device won't send
+ * anything while it is unable to response.
+ */
+ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
+
+ /*
+ * Close gracefully the gate from BMAC to NIG such that no half packets
+ * are passed.
+ */
+ if (!CHIP_IS_E3(bp))
+ bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
+
+ if (CHIP_IS_E3(bp)) {
+ bnx2x_set_xmac_rxtx(params, 0);
+ bnx2x_set_umac_rxtx(params, 0);
+ }
+ /* Wait 10ms for the pipe to clean up*/
+ usleep_range(10000, 20000);
+
+ /* Clean the NIG-BRB using the network filters in a way that will
+ * not cut a packet in the middle.
+ */
+ bnx2x_set_rx_filter(params, 0);
+
+ /*
+ * Re-open the gate between the BMAC and the NIG, after verifying the
+ * gate to the BRB is closed, otherwise packets may arrive to the
+ * firmware before driver had initialized it. The target is to achieve
+ * minimum management protocol down time.
+ */
+ if (!CHIP_IS_E3(bp))
+ bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
+
+ if (CHIP_IS_E3(bp)) {
+ bnx2x_set_xmac_rxtx(params, 1);
+ bnx2x_set_umac_rxtx(params, 1);
+ }
+ /* Disable NIG drain */
+ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
+ return 0;
+}
+
+/****************************************************************************/
+/* Common function */
+/****************************************************************************/
+static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
+ u32 shmem_base_path[],
+ u32 shmem2_base_path[], u8 phy_index,
+ u32 chip_id)
+{
+ struct bnx2x_phy phy[PORT_MAX];
+ struct bnx2x_phy *phy_blk[PORT_MAX];
+ u16 val;
+ s8 port = 0;
+ s8 port_of_path = 0;
+ u32 swap_val, swap_override;
+ swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
+ swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
+ port ^= (swap_val && swap_override);
+ bnx2x_ext_phy_hw_reset(bp, port);
+ /* PART1 - Reset both phys */
+ for (port = PORT_MAX - 1; port >= PORT_0; port--) {
+ u32 shmem_base, shmem2_base;
+ /* In E2, same phy is using for port0 of the two paths */
+ if (CHIP_IS_E1x(bp)) {
+ shmem_base = shmem_base_path[0];
+ shmem2_base = shmem2_base_path[0];
+ port_of_path = port;
+ } else {
+ shmem_base = shmem_base_path[port];
+ shmem2_base = shmem2_base_path[port];
+ port_of_path = 0;
+ }
+
+ /* Extract the ext phy address for the port */
+ if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
+ port_of_path, &phy[port]) !=
+ 0) {
+ DP(NETIF_MSG_LINK, "populate_phy failed\n");
+ return -EINVAL;
+ }
+ /* Disable attentions */
+ bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
+ port_of_path*4,
+ (NIG_MASK_XGXS0_LINK_STATUS |
+ NIG_MASK_XGXS0_LINK10G |
+ NIG_MASK_SERDES0_LINK_STATUS |
+ NIG_MASK_MI_INT));
+
+ /* Need to take the phy out of low power mode in order
+ * to write to access its registers
+ */
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
+ MISC_REGISTERS_GPIO_OUTPUT_HIGH,
+ port);
+
+ /* Reset the phy */
+ bnx2x_cl45_write(bp, &phy[port],
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_CTRL,
+ 1<<15);
+ }
+
+ /* Add delay of 150ms after reset */
+ msleep(150);
+
+ if (phy[PORT_0].addr & 0x1) {
+ phy_blk[PORT_0] = &(phy[PORT_1]);
+ phy_blk[PORT_1] = &(phy[PORT_0]);
+ } else {
+ phy_blk[PORT_0] = &(phy[PORT_0]);
+ phy_blk[PORT_1] = &(phy[PORT_1]);
+ }
+
+ /* PART2 - Download firmware to both phys */
+ for (port = PORT_MAX - 1; port >= PORT_0; port--) {
+ if (CHIP_IS_E1x(bp))
+ port_of_path = port;
+ else
+ port_of_path = 0;
+
+ DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
+ phy_blk[port]->addr);
+ if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
+ port_of_path))
+ return -EINVAL;
+
+ /* Only set bit 10 = 1 (Tx power down) */
+ bnx2x_cl45_read(bp, phy_blk[port],
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_TX_POWER_DOWN, &val);
+
+ /* Phase1 of TX_POWER_DOWN reset */
+ bnx2x_cl45_write(bp, phy_blk[port],
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_TX_POWER_DOWN,
+ (val | 1<<10));
+ }
+
+ /* Toggle Transmitter: Power down and then up with 600ms delay
+ * between
+ */
+ msleep(600);
+
+ /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
+ for (port = PORT_MAX - 1; port >= PORT_0; port--) {
+ /* Phase2 of POWER_DOWN_RESET */
+ /* Release bit 10 (Release Tx power down) */
+ bnx2x_cl45_read(bp, phy_blk[port],
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_TX_POWER_DOWN, &val);
+
+ bnx2x_cl45_write(bp, phy_blk[port],
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
+ usleep_range(15000, 30000);
+
+ /* Read modify write the SPI-ROM version select register */
+ bnx2x_cl45_read(bp, phy_blk[port],
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_EDC_FFE_MAIN, &val);
+ bnx2x_cl45_write(bp, phy_blk[port],
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
+
+ /* set GPIO2 back to LOW */
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
+ MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
+ }
+ return 0;
+}
+static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
+ u32 shmem_base_path[],
+ u32 shmem2_base_path[], u8 phy_index,
+ u32 chip_id)
+{
+ u32 val;
+ s8 port;
+ struct bnx2x_phy phy;
+ /* Use port1 because of the static port-swap */
+ /* Enable the module detection interrupt */
+ val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
+ val |= ((1<<MISC_REGISTERS_GPIO_3)|
+ (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
+ REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
+
+ bnx2x_ext_phy_hw_reset(bp, 0);
+ usleep_range(5000, 10000);
+ for (port = 0; port < PORT_MAX; port++) {
+ u32 shmem_base, shmem2_base;
+
+ /* In E2, same phy is using for port0 of the two paths */
+ if (CHIP_IS_E1x(bp)) {
+ shmem_base = shmem_base_path[0];
+ shmem2_base = shmem2_base_path[0];
+ } else {
+ shmem_base = shmem_base_path[port];
+ shmem2_base = shmem2_base_path[port];
+ }
+ /* Extract the ext phy address for the port */
+ if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
+ port, &phy) !=
+ 0) {
+ DP(NETIF_MSG_LINK, "populate phy failed\n");
+ return -EINVAL;
+ }
+
+ /* Reset phy*/
+ bnx2x_cl45_write(bp, &phy,
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
+
+
+ /* Set fault module detected LED on */
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
+ MISC_REGISTERS_GPIO_HIGH,
+ port);
+ }
+
+ return 0;
+}
+static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
+ u8 *io_gpio, u8 *io_port)
+{
+
+ u32 phy_gpio_reset = REG_RD(bp, shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[PORT_0].default_cfg));
+ switch (phy_gpio_reset) {
+ case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
+ *io_gpio = 0;
+ *io_port = 0;
+ break;
+ case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
+ *io_gpio = 1;
+ *io_port = 0;
+ break;
+ case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
+ *io_gpio = 2;
+ *io_port = 0;
+ break;
+ case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
+ *io_gpio = 3;
+ *io_port = 0;
+ break;
+ case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
+ *io_gpio = 0;
+ *io_port = 1;
+ break;
+ case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
+ *io_gpio = 1;
+ *io_port = 1;
+ break;
+ case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
+ *io_gpio = 2;
+ *io_port = 1;
+ break;
+ case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
+ *io_gpio = 3;
+ *io_port = 1;
+ break;
+ default:
+ /* Don't override the io_gpio and io_port */
+ break;
+ }
+}
+
+static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
+ u32 shmem_base_path[],
+ u32 shmem2_base_path[], u8 phy_index,
+ u32 chip_id)
+{
+ s8 port, reset_gpio;
+ u32 swap_val, swap_override;
+ struct bnx2x_phy phy[PORT_MAX];
+ struct bnx2x_phy *phy_blk[PORT_MAX];
+ s8 port_of_path;
+ swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
+ swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
+
+ reset_gpio = MISC_REGISTERS_GPIO_1;
+ port = 1;
+
+ /* Retrieve the reset gpio/port which control the reset.
+ * Default is GPIO1, PORT1
+ */
+ bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
+ (u8 *)&reset_gpio, (u8 *)&port);
+
+ /* Calculate the port based on port swap */
+ port ^= (swap_val && swap_override);
+
+ /* Initiate PHY reset*/
+ bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
+ port);
+ usleep_range(1000, 2000);
+ bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
+ port);
+
+ usleep_range(5000, 10000);
+
+ /* PART1 - Reset both phys */
+ for (port = PORT_MAX - 1; port >= PORT_0; port--) {
+ u32 shmem_base, shmem2_base;
+
+ /* In E2, same phy is using for port0 of the two paths */
+ if (CHIP_IS_E1x(bp)) {
+ shmem_base = shmem_base_path[0];
+ shmem2_base = shmem2_base_path[0];
+ port_of_path = port;
+ } else {
+ shmem_base = shmem_base_path[port];
+ shmem2_base = shmem2_base_path[port];
+ port_of_path = 0;
+ }
+
+ /* Extract the ext phy address for the port */
+ if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
+ port_of_path, &phy[port]) !=
+ 0) {
+ DP(NETIF_MSG_LINK, "populate phy failed\n");
+ return -EINVAL;
+ }
+ /* disable attentions */
+ bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
+ port_of_path*4,
+ (NIG_MASK_XGXS0_LINK_STATUS |
+ NIG_MASK_XGXS0_LINK10G |
+ NIG_MASK_SERDES0_LINK_STATUS |
+ NIG_MASK_MI_INT));
+
+
+ /* Reset the phy */
+ bnx2x_cl45_write(bp, &phy[port],
+ MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
+ }
+
+ /* Add delay of 150ms after reset */
+ msleep(150);
+ if (phy[PORT_0].addr & 0x1) {
+ phy_blk[PORT_0] = &(phy[PORT_1]);
+ phy_blk[PORT_1] = &(phy[PORT_0]);
+ } else {
+ phy_blk[PORT_0] = &(phy[PORT_0]);
+ phy_blk[PORT_1] = &(phy[PORT_1]);
+ }
+ /* PART2 - Download firmware to both phys */
+ for (port = PORT_MAX - 1; port >= PORT_0; port--) {
+ if (CHIP_IS_E1x(bp))
+ port_of_path = port;
+ else
+ port_of_path = 0;
+ DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
+ phy_blk[port]->addr);
+ if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
+ port_of_path))
+ return -EINVAL;
+ /* Disable PHY transmitter output */
+ bnx2x_cl45_write(bp, phy_blk[port],
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_TX_DISABLE, 1);
+
+ }
+ return 0;
+}
+
+static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
+ u32 shmem_base_path[],
+ u32 shmem2_base_path[],
+ u8 phy_index,
+ u32 chip_id)
+{
+ u8 reset_gpios;
+ reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
+ bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
+ udelay(10);
+ bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
+ DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
+ reset_gpios);
+ return 0;
+}
+
+static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
+ u32 shmem2_base_path[], u8 phy_index,
+ u32 ext_phy_type, u32 chip_id)
+{
+ int rc = 0;
+
+ switch (ext_phy_type) {
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
+ rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
+ shmem2_base_path,
+ phy_index, chip_id);
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
+ rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
+ shmem2_base_path,
+ phy_index, chip_id);
+ break;
+
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
+ /* GPIO1 affects both ports, so there's need to pull
+ * it for single port alone
+ */
+ rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
+ shmem2_base_path,
+ phy_index, chip_id);
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
+ /* GPIO3's are linked, and so both need to be toggled
+ * to obtain required 2us pulse.
+ */
+ rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
+ shmem2_base_path,
+ phy_index, chip_id);
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
+ rc = -EINVAL;
+ break;
+ default:
+ DP(NETIF_MSG_LINK,
+ "ext_phy 0x%x common init not required\n",
+ ext_phy_type);
+ break;
+ }
+
+ if (rc)
+ netdev_err(bp->dev, "Warning: PHY was not initialized,"
+ " Port %d\n",
+ 0);
+ return rc;
+}
+
+int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
+ u32 shmem2_base_path[], u32 chip_id)
+{
+ int rc = 0;
+ u32 phy_ver, val;
+ u8 phy_index = 0;
+ u32 ext_phy_type, ext_phy_config;
+
+ bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
+ bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
+ DP(NETIF_MSG_LINK, "Begin common phy init\n");
+ if (CHIP_IS_E3(bp)) {
+ /* Enable EPIO */
+ val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
+ REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
+ }
+ /* Check if common init was already done */
+ phy_ver = REG_RD(bp, shmem_base_path[0] +
+ offsetof(struct shmem_region,
+ port_mb[PORT_0].ext_phy_fw_version));
+ if (phy_ver) {
+ DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
+ phy_ver);
+ return 0;
+ }
+
+ /* Read the ext_phy_type for arbitrary port(0) */
+ for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
+ phy_index++) {
+ ext_phy_config = bnx2x_get_ext_phy_config(bp,
+ shmem_base_path[0],
+ phy_index, 0);
+ ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
+ rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
+ shmem2_base_path,
+ phy_index, ext_phy_type,
+ chip_id);
+ }
+ return rc;
+}
+
+static void bnx2x_check_over_curr(struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u32 cfg_pin;
+ u8 port = params->port;
+ u32 pin_val;
+
+ cfg_pin = (REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
+ PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
+ PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
+
+ /* Ignore check if no external input PIN available */
+ if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
+ return;
+
+ if (!pin_val) {
+ if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
+ netdev_err(bp->dev, "Error: Power fault on Port %d has"
+ " been detected and the power to "
+ "that SFP+ module has been removed"
+ " to prevent failure of the card."
+ " Please remove the SFP+ module and"
+ " restart the system to clear this"
+ " error.\n",
+ params->port);
+ vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
+ bnx2x_warpcore_power_module(params, 0);
+ }
+ } else
+ vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
+}
+
+/* Returns 0 if no change occurred since last check; 1 otherwise. */
+static u8 bnx2x_analyze_link_error(struct link_params *params,
+ struct link_vars *vars, u32 status,
+ u32 phy_flag, u32 link_flag, u8 notify)
+{
+ struct bnx2x *bp = params->bp;
+ /* Compare new value with previous value */
+ u8 led_mode;
+ u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
+
+ if ((status ^ old_status) == 0)
+ return 0;
+
+ /* If values differ */
+ switch (phy_flag) {
+ case PHY_HALF_OPEN_CONN_FLAG:
+ DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
+ break;
+ case PHY_SFP_TX_FAULT_FLAG:
+ DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
+ break;
+ default:
+ DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
+ }
+ DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
+ old_status, status);
+
+ /* Do not touch the link in case physical link down */
+ if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
+ return 1;
+
+ /* a. Update shmem->link_status accordingly
+ * b. Update link_vars->link_up
+ */
+ if (status) {
+ vars->link_status &= ~LINK_STATUS_LINK_UP;
+ vars->link_status |= link_flag;
+ vars->link_up = 0;
+ vars->phy_flags |= phy_flag;
+
+ /* activate nig drain */
+ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
+ /* Set LED mode to off since the PHY doesn't know about these
+ * errors
+ */
+ led_mode = LED_MODE_OFF;
+ } else {
+ vars->link_status |= LINK_STATUS_LINK_UP;
+ vars->link_status &= ~link_flag;
+ vars->link_up = 1;
+ vars->phy_flags &= ~phy_flag;
+ led_mode = LED_MODE_OPER;
+
+ /* Clear nig drain */
+ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
+ }
+ bnx2x_sync_link(params, vars);
+ /* Update the LED according to the link state */
+ bnx2x_set_led(params, vars, led_mode, SPEED_10000);
+
+ /* Update link status in the shared memory */
+ bnx2x_update_mng(params, vars->link_status);
+
+ /* C. Trigger General Attention */
+ vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
+ if (notify)
+ bnx2x_notify_link_changed(bp);
+
+ return 1;
+}
+
+/******************************************************************************
+* Description:
+* This function checks for half opened connection change indication.
+* When such change occurs, it calls the bnx2x_analyze_link_error
+* to check if Remote Fault is set or cleared. Reception of remote fault
+* status message in the MAC indicates that the peer's MAC has detected
+* a fault, for example, due to break in the TX side of fiber.
+*
+******************************************************************************/
+static int bnx2x_check_half_open_conn(struct link_params *params,
+ struct link_vars *vars,
+ u8 notify)
+{
+ struct bnx2x *bp = params->bp;
+ u32 lss_status = 0;
+ u32 mac_base;
+ /* In case link status is physically up @ 10G do */
+ if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
+ (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
+ return 0;
+
+ if (CHIP_IS_E3(bp) &&
+ (REG_RD(bp, MISC_REG_RESET_REG_2) &
+ (MISC_REGISTERS_RESET_REG_2_XMAC))) {
+ /* Check E3 XMAC */
+ /* Note that link speed cannot be queried here, since it may be
+ * zero while link is down. In case UMAC is active, LSS will
+ * simply not be set
+ */
+ mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
+
+ /* Clear stick bits (Requires rising edge) */
+ REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
+ REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
+ XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
+ XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
+ if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
+ lss_status = 1;
+
+ bnx2x_analyze_link_error(params, vars, lss_status,
+ PHY_HALF_OPEN_CONN_FLAG,
+ LINK_STATUS_NONE, notify);
+ } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
+ (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
+ /* Check E1X / E2 BMAC */
+ u32 lss_status_reg;
+ u32 wb_data[2];
+ mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
+ NIG_REG_INGRESS_BMAC0_MEM;
+ /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
+ if (CHIP_IS_E2(bp))
+ lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
+ else
+ lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
+
+ REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
+ lss_status = (wb_data[0] > 0);
+
+ bnx2x_analyze_link_error(params, vars, lss_status,
+ PHY_HALF_OPEN_CONN_FLAG,
+ LINK_STATUS_NONE, notify);
+ }
+ return 0;
+}
+static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ u32 cfg_pin, value = 0;
+ u8 led_change, port = params->port;
+
+ /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
+ cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
+ PORT_HW_CFG_E3_TX_FAULT_MASK) >>
+ PORT_HW_CFG_E3_TX_FAULT_SHIFT;
+
+ if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
+ DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
+ return;
+ }
+
+ led_change = bnx2x_analyze_link_error(params, vars, value,
+ PHY_SFP_TX_FAULT_FLAG,
+ LINK_STATUS_SFP_TX_FAULT, 1);
+
+ if (led_change) {
+ /* Change TX_Fault led, set link status for further syncs */
+ u8 led_mode;
+
+ if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
+ led_mode = MISC_REGISTERS_GPIO_HIGH;
+ vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
+ } else {
+ led_mode = MISC_REGISTERS_GPIO_LOW;
+ vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
+ }
+
+ /* If module is unapproved, led should be on regardless */
+ if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
+ DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
+ led_mode);
+ bnx2x_set_e3_module_fault_led(params, led_mode);
+ }
+ }
+}
+static void bnx2x_kr2_recovery(struct link_params *params,
+ struct link_vars *vars,
+ struct bnx2x_phy *phy)
+{
+ struct bnx2x *bp = params->bp;
+ DP(NETIF_MSG_LINK, "KR2 recovery\n");
+ bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
+ bnx2x_warpcore_restart_AN_KR(phy, params);
+}
+
+static void bnx2x_check_kr2_wa(struct link_params *params,
+ struct link_vars *vars,
+ struct bnx2x_phy *phy)
+{
+ struct bnx2x *bp = params->bp;
+ u16 base_page, next_page, not_kr2_device, lane;
+ int sigdet;
+
+ /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
+ * Since some switches tend to reinit the AN process and clear the
+ * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
+ * and recovered many times
+ */
+ if (vars->check_kr2_recovery_cnt > 0) {
+ vars->check_kr2_recovery_cnt--;
+ return;
+ }
+
+ sigdet = bnx2x_warpcore_get_sigdet(phy, params);
+ if (!sigdet) {
+ if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
+ bnx2x_kr2_recovery(params, vars, phy);
+ DP(NETIF_MSG_LINK, "No sigdet\n");
+ }
+ return;
+ }
+
+ lane = bnx2x_get_warpcore_lane(phy, params);
+ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
+ MDIO_AER_BLOCK_AER_REG, lane);
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_LP_AUTO_NEG, &base_page);
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
+ bnx2x_set_aer_mmd(params, phy);
+
+ /* CL73 has not begun yet */
+ if (base_page == 0) {
+ if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
+ bnx2x_kr2_recovery(params, vars, phy);
+ DP(NETIF_MSG_LINK, "No BP\n");
+ }
+ return;
+ }
+
+ /* In case NP bit is not set in the BasePage, or it is set,
+ * but only KX is advertised, declare this link partner as non-KR2
+ * device.
+ */
+ not_kr2_device = (((base_page & 0x8000) == 0) ||
+ (((base_page & 0x8000) &&
+ ((next_page & 0xe0) == 0x20))));
+
+ /* In case KR2 is already disabled, check if we need to re-enable it */
+ if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
+ if (!not_kr2_device) {
+ DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
+ next_page);
+ bnx2x_kr2_recovery(params, vars, phy);
+ }
+ return;
+ }
+ /* KR2 is enabled, but not KR2 device */
+ if (not_kr2_device) {
+ /* Disable KR2 on both lanes */
+ DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
+ bnx2x_disable_kr2(params, vars, phy);
+ /* Restart AN on leading lane */
+ bnx2x_warpcore_restart_AN_KR(phy, params);
+ return;
+ }
+}
+
+void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
+{
+ u16 phy_idx;
+ struct bnx2x *bp = params->bp;
+ for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
+ if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
+ bnx2x_set_aer_mmd(params, ¶ms->phy[phy_idx]);
+ if (bnx2x_check_half_open_conn(params, vars, 1) !=
+ 0)
+ DP(NETIF_MSG_LINK, "Fault detection failed\n");
+ break;
+ }
+ }
+
+ if (CHIP_IS_E3(bp)) {
+ struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
+ bnx2x_set_aer_mmd(params, phy);
+ if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
+ (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
+ bnx2x_check_kr2_wa(params, vars, phy);
+ bnx2x_check_over_curr(params, vars);
+ if (vars->rx_tx_asic_rst)
+ bnx2x_warpcore_config_runtime(phy, params, vars);
+
+ if ((REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region, dev_info.
+ port_hw_config[params->port].default_cfg))
+ & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
+ PORT_HW_CFG_NET_SERDES_IF_SFI) {
+ if (bnx2x_is_sfp_module_plugged(phy, params)) {
+ bnx2x_sfp_tx_fault_detection(phy, params, vars);
+ } else if (vars->link_status &
+ LINK_STATUS_SFP_TX_FAULT) {
+ /* Clean trail, interrupt corrects the leds */
+ vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
+ vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
+ /* Update link status in the shared memory */
+ bnx2x_update_mng(params, vars->link_status);
+ }
+ }
+ }
+}
+
+u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
+ u32 shmem_base,
+ u32 shmem2_base,
+ u8 port)
+{
+ u8 phy_index, fan_failure_det_req = 0;
+ struct bnx2x_phy phy;
+ for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
+ phy_index++) {
+ if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
+ port, &phy)
+ != 0) {
+ DP(NETIF_MSG_LINK, "populate phy failed\n");
+ return 0;
+ }
+ fan_failure_det_req |= (phy.flags &
+ FLAGS_FAN_FAILURE_DET_REQ);
+ }
+ return fan_failure_det_req;
+}
+
+void bnx2x_hw_reset_phy(struct link_params *params)
+{
+ u8 phy_index;
+ struct bnx2x *bp = params->bp;
+ bnx2x_update_mng(params, 0);
+ bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
+ (NIG_MASK_XGXS0_LINK_STATUS |
+ NIG_MASK_XGXS0_LINK10G |
+ NIG_MASK_SERDES0_LINK_STATUS |
+ NIG_MASK_MI_INT));
+
+ for (phy_index = INT_PHY; phy_index < MAX_PHYS;
+ phy_index++) {
+ if (params->phy[phy_index].hw_reset) {
+ params->phy[phy_index].hw_reset(
+ ¶ms->phy[phy_index],
+ params);
+ params->phy[phy_index] = phy_null;
+ }
+ }
+}
+
+void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
+ u32 chip_id, u32 shmem_base, u32 shmem2_base,
+ u8 port)
+{
+ u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
+ u32 val;
+ u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
+ if (CHIP_IS_E3(bp)) {
+ if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
+ shmem_base,
+ port,
+ &gpio_num,
+ &gpio_port) != 0)
+ return;
+ } else {
+ struct bnx2x_phy phy;
+ for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
+ phy_index++) {
+ if (bnx2x_populate_phy(bp, phy_index, shmem_base,
+ shmem2_base, port, &phy)
+ != 0) {
+ DP(NETIF_MSG_LINK, "populate phy failed\n");
+ return;
+ }
+ if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
+ gpio_num = MISC_REGISTERS_GPIO_3;
+ gpio_port = port;
+ break;
+ }
+ }
+ }
+
+ if (gpio_num == 0xff)
+ return;
+
+ /* Set GPIO3 to trigger SFP+ module insertion/removal */
+ bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
+
+ swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
+ swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
+ gpio_port ^= (swap_val && swap_override);
+
+ vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
+ (gpio_num + (gpio_port << 2));
+
+ sync_offset = shmem_base +
+ offsetof(struct shmem_region,
+ dev_info.port_hw_config[port].aeu_int_mask);
+ REG_WR(bp, sync_offset, vars->aeu_int_mask);
+
+ DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
+ gpio_num, gpio_port, vars->aeu_int_mask);
+
+ if (port == 0)
+ offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
+ else
+ offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
+
+ /* Open appropriate AEU for interrupts */
+ aeu_mask = REG_RD(bp, offset);
+ aeu_mask |= vars->aeu_int_mask;
+ REG_WR(bp, offset, aeu_mask);
+
+ /* Enable the GPIO to trigger interrupt */
+ val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
+ val |= 1 << (gpio_num + (gpio_port << 2));
+ REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
+}
Code Review / kvmfornfv.git / blobdiff