--- /dev/null
+/* bnx2.c: Broadcom NX2 network driver.
+ *
+ * Copyright (c) 2004, 2005, 2006 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ *
+ * Written by: Michael Chan (mchan@broadcom.com)
+ *
+ * Etherboot port by Ryan Jackson (rjackson@lnxi.com), based on driver
+ * version 1.4.40 from linux 2.6.17
+ */
+
+FILE_LICENCE ( GPL_ANY );
+
+#include "etherboot.h"
+#include "nic.h"
+#include <errno.h>
+#include <ipxe/pci.h>
+#include <ipxe/ethernet.h>
+#include "string.h"
+#include <mii.h>
+#include "bnx2.h"
+#include "bnx2_fw.h"
+
+#if 0
+/* Dummy defines for error handling */
+#define EBUSY 1
+#define ENODEV 2
+#define EINVAL 3
+#define ENOMEM 4
+#define EIO 5
+#endif
+
+/* The bnx2 seems to be picky about the alignment of the receive buffers
+ * and possibly the status block.
+ */
+static struct bss {
+ struct tx_bd tx_desc_ring[TX_DESC_CNT];
+ struct rx_bd rx_desc_ring[RX_DESC_CNT];
+ unsigned char rx_buf[RX_BUF_CNT][RX_BUF_SIZE];
+ struct status_block status_blk;
+ struct statistics_block stats_blk;
+} bnx2_bss;
+
+static struct bnx2 bnx2;
+
+static struct flash_spec flash_table[] =
+{
+ /* Slow EEPROM */
+ {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
+ 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
+ SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
+ "EEPROM - slow"},
+ /* Expansion entry 0001 */
+ {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
+ 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
+ SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
+ "Entry 0001"},
+ /* Saifun SA25F010 (non-buffered flash) */
+ /* strap, cfg1, & write1 need updates */
+ {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
+ 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
+ SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
+ "Non-buffered flash (128kB)"},
+ /* Saifun SA25F020 (non-buffered flash) */
+ /* strap, cfg1, & write1 need updates */
+ {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
+ 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
+ SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
+ "Non-buffered flash (256kB)"},
+ /* Expansion entry 0100 */
+ {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
+ 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
+ SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
+ "Entry 0100"},
+ /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
+ {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
+ 0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
+ ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
+ "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
+ /* Entry 0110: ST M45PE20 (non-buffered flash)*/
+ {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
+ 0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
+ ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
+ "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
+ /* Saifun SA25F005 (non-buffered flash) */
+ /* strap, cfg1, & write1 need updates */
+ {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
+ 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
+ SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
+ "Non-buffered flash (64kB)"},
+ /* Fast EEPROM */
+ {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
+ 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
+ SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
+ "EEPROM - fast"},
+ /* Expansion entry 1001 */
+ {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
+ 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
+ SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
+ "Entry 1001"},
+ /* Expansion entry 1010 */
+ {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
+ 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
+ SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
+ "Entry 1010"},
+ /* ATMEL AT45DB011B (buffered flash) */
+ {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
+ 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
+ BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
+ "Buffered flash (128kB)"},
+ /* Expansion entry 1100 */
+ {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
+ 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
+ SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
+ "Entry 1100"},
+ /* Expansion entry 1101 */
+ {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
+ 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
+ SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
+ "Entry 1101"},
+ /* Ateml Expansion entry 1110 */
+ {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
+ 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
+ BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
+ "Entry 1110 (Atmel)"},
+ /* ATMEL AT45DB021B (buffered flash) */
+ {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
+ 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
+ BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
+ "Buffered flash (256kB)"},
+};
+
+static u32
+bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset)
+{
+ REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
+ return (REG_RD(bp, BNX2_PCICFG_REG_WINDOW));
+}
+
+static void
+bnx2_reg_wr_ind(struct bnx2 *bp, u32 offset, u32 val)
+{
+ REG_WR(bp, BNX2_PCICFG_REG_WINDOW_ADDRESS, offset);
+ REG_WR(bp, BNX2_PCICFG_REG_WINDOW, val);
+}
+
+static void
+bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val)
+{
+ offset += cid_addr;
+ REG_WR(bp, BNX2_CTX_DATA_ADR, offset);
+ REG_WR(bp, BNX2_CTX_DATA, val);
+}
+
+static int
+bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val)
+{
+ u32 val1;
+ int i, ret;
+
+ if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
+ val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
+ val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
+
+ REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
+ REG_RD(bp, BNX2_EMAC_MDIO_MODE);
+
+ udelay(40);
+ }
+
+ val1 = (bp->phy_addr << 21) | (reg << 16) |
+ BNX2_EMAC_MDIO_COMM_COMMAND_READ | BNX2_EMAC_MDIO_COMM_DISEXT |
+ BNX2_EMAC_MDIO_COMM_START_BUSY;
+ REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
+
+ for (i = 0; i < 50; i++) {
+ udelay(10);
+
+ val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
+ if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
+ udelay(5);
+
+ val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
+ val1 &= BNX2_EMAC_MDIO_COMM_DATA;
+
+ break;
+ }
+ }
+
+ if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY) {
+ *val = 0x0;
+ ret = -EBUSY;
+ }
+ else {
+ *val = val1;
+ ret = 0;
+ }
+
+ if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
+ val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
+ val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
+
+ REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
+ REG_RD(bp, BNX2_EMAC_MDIO_MODE);
+
+ udelay(40);
+ }
+
+ return ret;
+}
+
+static int
+bnx2_write_phy(struct bnx2 *bp, u32 reg, u32 val)
+{
+ u32 val1;
+ int i, ret;
+
+ if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
+ val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
+ val1 &= ~BNX2_EMAC_MDIO_MODE_AUTO_POLL;
+
+ REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
+ REG_RD(bp, BNX2_EMAC_MDIO_MODE);
+
+ udelay(40);
+ }
+
+ val1 = (bp->phy_addr << 21) | (reg << 16) | val |
+ BNX2_EMAC_MDIO_COMM_COMMAND_WRITE |
+ BNX2_EMAC_MDIO_COMM_START_BUSY | BNX2_EMAC_MDIO_COMM_DISEXT;
+ REG_WR(bp, BNX2_EMAC_MDIO_COMM, val1);
+
+ for (i = 0; i < 50; i++) {
+ udelay(10);
+
+ val1 = REG_RD(bp, BNX2_EMAC_MDIO_COMM);
+ if (!(val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)) {
+ udelay(5);
+ break;
+ }
+ }
+
+ if (val1 & BNX2_EMAC_MDIO_COMM_START_BUSY)
+ ret = -EBUSY;
+ else
+ ret = 0;
+
+ if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
+ val1 = REG_RD(bp, BNX2_EMAC_MDIO_MODE);
+ val1 |= BNX2_EMAC_MDIO_MODE_AUTO_POLL;
+
+ REG_WR(bp, BNX2_EMAC_MDIO_MODE, val1);
+ REG_RD(bp, BNX2_EMAC_MDIO_MODE);
+
+ udelay(40);
+ }
+
+ return ret;
+}
+
+static void
+bnx2_disable_int(struct bnx2 *bp)
+{
+ REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
+ BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
+ REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD);
+
+}
+
+static int
+bnx2_alloc_mem(struct bnx2 *bp)
+{
+ bp->tx_desc_ring = bnx2_bss.tx_desc_ring;
+ bp->tx_desc_mapping = virt_to_bus(bp->tx_desc_ring);
+
+ bp->rx_desc_ring = bnx2_bss.rx_desc_ring;
+ memset(bp->rx_desc_ring, 0, sizeof(struct rx_bd) * RX_DESC_CNT);
+ bp->rx_desc_mapping = virt_to_bus(bp->rx_desc_ring);
+
+ memset(&bnx2_bss.status_blk, 0, sizeof(struct status_block));
+ bp->status_blk = &bnx2_bss.status_blk;
+ bp->status_blk_mapping = virt_to_bus(&bnx2_bss.status_blk);
+
+ bp->stats_blk = &bnx2_bss.stats_blk;
+ memset(&bnx2_bss.stats_blk, 0, sizeof(struct statistics_block));
+ bp->stats_blk_mapping = virt_to_bus(&bnx2_bss.stats_blk);
+
+ return 0;
+}
+
+static void
+bnx2_report_fw_link(struct bnx2 *bp)
+{
+ u32 fw_link_status = 0;
+
+ if (bp->link_up) {
+ u32 bmsr;
+
+ switch (bp->line_speed) {
+ case SPEED_10:
+ if (bp->duplex == DUPLEX_HALF)
+ fw_link_status = BNX2_LINK_STATUS_10HALF;
+ else
+ fw_link_status = BNX2_LINK_STATUS_10FULL;
+ break;
+ case SPEED_100:
+ if (bp->duplex == DUPLEX_HALF)
+ fw_link_status = BNX2_LINK_STATUS_100HALF;
+ else
+ fw_link_status = BNX2_LINK_STATUS_100FULL;
+ break;
+ case SPEED_1000:
+ if (bp->duplex == DUPLEX_HALF)
+ fw_link_status = BNX2_LINK_STATUS_1000HALF;
+ else
+ fw_link_status = BNX2_LINK_STATUS_1000FULL;
+ break;
+ case SPEED_2500:
+ if (bp->duplex == DUPLEX_HALF)
+ fw_link_status = BNX2_LINK_STATUS_2500HALF;
+ else
+ fw_link_status = BNX2_LINK_STATUS_2500FULL;
+ break;
+ }
+
+ fw_link_status |= BNX2_LINK_STATUS_LINK_UP;
+
+ if (bp->autoneg) {
+ fw_link_status |= BNX2_LINK_STATUS_AN_ENABLED;
+
+ bnx2_read_phy(bp, MII_BMSR, &bmsr);
+ bnx2_read_phy(bp, MII_BMSR, &bmsr);
+
+ if (!(bmsr & BMSR_ANEGCOMPLETE) ||
+ bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)
+ fw_link_status |= BNX2_LINK_STATUS_PARALLEL_DET;
+ else
+ fw_link_status |= BNX2_LINK_STATUS_AN_COMPLETE;
+ }
+ }
+ else
+ fw_link_status = BNX2_LINK_STATUS_LINK_DOWN;
+
+ REG_WR_IND(bp, bp->shmem_base + BNX2_LINK_STATUS, fw_link_status);
+}
+
+static void
+bnx2_report_link(struct bnx2 *bp)
+{
+ if (bp->link_up) {
+ printf("NIC Link is Up, ");
+
+ printf("%d Mbps ", bp->line_speed);
+
+ if (bp->duplex == DUPLEX_FULL)
+ printf("full duplex");
+ else
+ printf("half duplex");
+
+ if (bp->flow_ctrl) {
+ if (bp->flow_ctrl & FLOW_CTRL_RX) {
+ printf(", receive ");
+ if (bp->flow_ctrl & FLOW_CTRL_TX)
+ printf("& transmit ");
+ }
+ else {
+ printf(", transmit ");
+ }
+ printf("flow control ON");
+ }
+ printf("\n");
+ }
+ else {
+ printf("NIC Link is Down\n");
+ }
+
+ bnx2_report_fw_link(bp);
+}
+
+static void
+bnx2_resolve_flow_ctrl(struct bnx2 *bp)
+{
+ u32 local_adv, remote_adv;
+
+ bp->flow_ctrl = 0;
+ if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) !=
+ (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) {
+
+ if (bp->duplex == DUPLEX_FULL) {
+ bp->flow_ctrl = bp->req_flow_ctrl;
+ }
+ return;
+ }
+
+ if (bp->duplex != DUPLEX_FULL) {
+ return;
+ }
+
+ if ((bp->phy_flags & PHY_SERDES_FLAG) &&
+ (CHIP_NUM(bp) == CHIP_NUM_5708)) {
+ u32 val;
+
+ bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
+ if (val & BCM5708S_1000X_STAT1_TX_PAUSE)
+ bp->flow_ctrl |= FLOW_CTRL_TX;
+ if (val & BCM5708S_1000X_STAT1_RX_PAUSE)
+ bp->flow_ctrl |= FLOW_CTRL_RX;
+ return;
+ }
+
+ bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
+ bnx2_read_phy(bp, MII_LPA, &remote_adv);
+
+ if (bp->phy_flags & PHY_SERDES_FLAG) {
+ u32 new_local_adv = 0;
+ u32 new_remote_adv = 0;
+
+ if (local_adv & ADVERTISE_1000XPAUSE)
+ new_local_adv |= ADVERTISE_PAUSE_CAP;
+ if (local_adv & ADVERTISE_1000XPSE_ASYM)
+ new_local_adv |= ADVERTISE_PAUSE_ASYM;
+ if (remote_adv & ADVERTISE_1000XPAUSE)
+ new_remote_adv |= ADVERTISE_PAUSE_CAP;
+ if (remote_adv & ADVERTISE_1000XPSE_ASYM)
+ new_remote_adv |= ADVERTISE_PAUSE_ASYM;
+
+ local_adv = new_local_adv;
+ remote_adv = new_remote_adv;
+ }
+
+ /* See Table 28B-3 of 802.3ab-1999 spec. */
+ if (local_adv & ADVERTISE_PAUSE_CAP) {
+ if(local_adv & ADVERTISE_PAUSE_ASYM) {
+ if (remote_adv & ADVERTISE_PAUSE_CAP) {
+ bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
+ }
+ else if (remote_adv & ADVERTISE_PAUSE_ASYM) {
+ bp->flow_ctrl = FLOW_CTRL_RX;
+ }
+ }
+ else {
+ if (remote_adv & ADVERTISE_PAUSE_CAP) {
+ bp->flow_ctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
+ }
+ }
+ }
+ else if (local_adv & ADVERTISE_PAUSE_ASYM) {
+ if ((remote_adv & ADVERTISE_PAUSE_CAP) &&
+ (remote_adv & ADVERTISE_PAUSE_ASYM)) {
+
+ bp->flow_ctrl = FLOW_CTRL_TX;
+ }
+ }
+}
+
+static int
+bnx2_5708s_linkup(struct bnx2 *bp)
+{
+ u32 val;
+
+ bp->link_up = 1;
+ bnx2_read_phy(bp, BCM5708S_1000X_STAT1, &val);
+ switch (val & BCM5708S_1000X_STAT1_SPEED_MASK) {
+ case BCM5708S_1000X_STAT1_SPEED_10:
+ bp->line_speed = SPEED_10;
+ break;
+ case BCM5708S_1000X_STAT1_SPEED_100:
+ bp->line_speed = SPEED_100;
+ break;
+ case BCM5708S_1000X_STAT1_SPEED_1G:
+ bp->line_speed = SPEED_1000;
+ break;
+ case BCM5708S_1000X_STAT1_SPEED_2G5:
+ bp->line_speed = SPEED_2500;
+ break;
+ }
+ if (val & BCM5708S_1000X_STAT1_FD)
+ bp->duplex = DUPLEX_FULL;
+ else
+ bp->duplex = DUPLEX_HALF;
+
+ return 0;
+}
+
+static int
+bnx2_5706s_linkup(struct bnx2 *bp)
+{
+ u32 bmcr, local_adv, remote_adv, common;
+
+ bp->link_up = 1;
+ bp->line_speed = SPEED_1000;
+
+ bnx2_read_phy(bp, MII_BMCR, &bmcr);
+ if (bmcr & BMCR_FULLDPLX) {
+ bp->duplex = DUPLEX_FULL;
+ }
+ else {
+ bp->duplex = DUPLEX_HALF;
+ }
+
+ if (!(bmcr & BMCR_ANENABLE)) {
+ return 0;
+ }
+
+ bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
+ bnx2_read_phy(bp, MII_LPA, &remote_adv);
+
+ common = local_adv & remote_adv;
+ if (common & (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL)) {
+
+ if (common & ADVERTISE_1000XFULL) {
+ bp->duplex = DUPLEX_FULL;
+ }
+ else {
+ bp->duplex = DUPLEX_HALF;
+ }
+ }
+
+ return 0;
+}
+
+static int
+bnx2_copper_linkup(struct bnx2 *bp)
+{
+ u32 bmcr;
+
+ bnx2_read_phy(bp, MII_BMCR, &bmcr);
+ if (bmcr & BMCR_ANENABLE) {
+ u32 local_adv, remote_adv, common;
+
+ bnx2_read_phy(bp, MII_CTRL1000, &local_adv);
+ bnx2_read_phy(bp, MII_STAT1000, &remote_adv);
+
+ common = local_adv & (remote_adv >> 2);
+ if (common & ADVERTISE_1000FULL) {
+ bp->line_speed = SPEED_1000;
+ bp->duplex = DUPLEX_FULL;
+ }
+ else if (common & ADVERTISE_1000HALF) {
+ bp->line_speed = SPEED_1000;
+ bp->duplex = DUPLEX_HALF;
+ }
+ else {
+ bnx2_read_phy(bp, MII_ADVERTISE, &local_adv);
+ bnx2_read_phy(bp, MII_LPA, &remote_adv);
+
+ common = local_adv & remote_adv;
+ if (common & ADVERTISE_100FULL) {
+ bp->line_speed = SPEED_100;
+ bp->duplex = DUPLEX_FULL;
+ }
+ else if (common & ADVERTISE_100HALF) {
+ bp->line_speed = SPEED_100;
+ bp->duplex = DUPLEX_HALF;
+ }
+ else if (common & ADVERTISE_10FULL) {
+ bp->line_speed = SPEED_10;
+ bp->duplex = DUPLEX_FULL;
+ }
+ else if (common & ADVERTISE_10HALF) {
+ bp->line_speed = SPEED_10;
+ bp->duplex = DUPLEX_HALF;
+ }
+ else {
+ bp->line_speed = 0;
+ bp->link_up = 0;
+ }
+ }
+ }
+ else {
+ if (bmcr & BMCR_SPEED100) {
+ bp->line_speed = SPEED_100;
+ }
+ else {
+ bp->line_speed = SPEED_10;
+ }
+ if (bmcr & BMCR_FULLDPLX) {
+ bp->duplex = DUPLEX_FULL;
+ }
+ else {
+ bp->duplex = DUPLEX_HALF;
+ }
+ }
+
+ return 0;
+}
+
+static int
+bnx2_set_mac_link(struct bnx2 *bp)
+{
+ u32 val;
+
+ REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x2620);
+ if (bp->link_up && (bp->line_speed == SPEED_1000) &&
+ (bp->duplex == DUPLEX_HALF)) {
+ REG_WR(bp, BNX2_EMAC_TX_LENGTHS, 0x26ff);
+ }
+
+ /* Configure the EMAC mode register. */
+ val = REG_RD(bp, BNX2_EMAC_MODE);
+
+ val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX |
+ BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK |
+ BNX2_EMAC_MODE_25G);
+
+ if (bp->link_up) {
+ switch (bp->line_speed) {
+ case SPEED_10:
+ if (CHIP_NUM(bp) == CHIP_NUM_5708) {
+ val |= BNX2_EMAC_MODE_PORT_MII_10;
+ break;
+ }
+ /* fall through */
+ case SPEED_100:
+ val |= BNX2_EMAC_MODE_PORT_MII;
+ break;
+ case SPEED_2500:
+ val |= BNX2_EMAC_MODE_25G;
+ /* fall through */
+ case SPEED_1000:
+ val |= BNX2_EMAC_MODE_PORT_GMII;
+ break;
+ }
+ }
+ else {
+ val |= BNX2_EMAC_MODE_PORT_GMII;
+ }
+
+ /* Set the MAC to operate in the appropriate duplex mode. */
+ if (bp->duplex == DUPLEX_HALF)
+ val |= BNX2_EMAC_MODE_HALF_DUPLEX;
+ REG_WR(bp, BNX2_EMAC_MODE, val);
+
+ /* Enable/disable rx PAUSE. */
+ bp->rx_mode &= ~BNX2_EMAC_RX_MODE_FLOW_EN;
+
+ if (bp->flow_ctrl & FLOW_CTRL_RX)
+ bp->rx_mode |= BNX2_EMAC_RX_MODE_FLOW_EN;
+ REG_WR(bp, BNX2_EMAC_RX_MODE, bp->rx_mode);
+
+ /* Enable/disable tx PAUSE. */
+ val = REG_RD(bp, BNX2_EMAC_TX_MODE);
+ val &= ~BNX2_EMAC_TX_MODE_FLOW_EN;
+
+ if (bp->flow_ctrl & FLOW_CTRL_TX)
+ val |= BNX2_EMAC_TX_MODE_FLOW_EN;
+ REG_WR(bp, BNX2_EMAC_TX_MODE, val);
+
+ /* Acknowledge the interrupt. */
+ REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
+
+ return 0;
+}
+
+static int
+bnx2_set_link(struct bnx2 *bp)
+{
+ u32 bmsr;
+ u8 link_up;
+
+ if (bp->loopback == MAC_LOOPBACK) {
+ bp->link_up = 1;
+ return 0;
+ }
+
+ link_up = bp->link_up;
+
+ bnx2_read_phy(bp, MII_BMSR, &bmsr);
+ bnx2_read_phy(bp, MII_BMSR, &bmsr);
+
+ if ((bp->phy_flags & PHY_SERDES_FLAG) &&
+ (CHIP_NUM(bp) == CHIP_NUM_5706)) {
+ u32 val;
+
+ val = REG_RD(bp, BNX2_EMAC_STATUS);
+ if (val & BNX2_EMAC_STATUS_LINK)
+ bmsr |= BMSR_LSTATUS;
+ else
+ bmsr &= ~BMSR_LSTATUS;
+ }
+
+ if (bmsr & BMSR_LSTATUS) {
+ bp->link_up = 1;
+
+ if (bp->phy_flags & PHY_SERDES_FLAG) {
+ if (CHIP_NUM(bp) == CHIP_NUM_5706)
+ bnx2_5706s_linkup(bp);
+ else if (CHIP_NUM(bp) == CHIP_NUM_5708)
+ bnx2_5708s_linkup(bp);
+ }
+ else {
+ bnx2_copper_linkup(bp);
+ }
+ bnx2_resolve_flow_ctrl(bp);
+ }
+ else {
+ if ((bp->phy_flags & PHY_SERDES_FLAG) &&
+ (bp->autoneg & AUTONEG_SPEED)) {
+
+ u32 bmcr;
+
+ bnx2_read_phy(bp, MII_BMCR, &bmcr);
+ if (!(bmcr & BMCR_ANENABLE)) {
+ bnx2_write_phy(bp, MII_BMCR, bmcr |
+ BMCR_ANENABLE);
+ }
+ }
+ bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
+ bp->link_up = 0;
+ }
+
+ if (bp->link_up != link_up) {
+ bnx2_report_link(bp);
+ }
+
+ bnx2_set_mac_link(bp);
+
+ return 0;
+}
+
+static int
+bnx2_reset_phy(struct bnx2 *bp)
+{
+ int i;
+ u32 reg;
+
+ bnx2_write_phy(bp, MII_BMCR, BMCR_RESET);
+
+#define PHY_RESET_MAX_WAIT 100
+ for (i = 0; i < PHY_RESET_MAX_WAIT; i++) {
+ udelay(10);
+
+ bnx2_read_phy(bp, MII_BMCR, ®);
+ if (!(reg & BMCR_RESET)) {
+ udelay(20);
+ break;
+ }
+ }
+ if (i == PHY_RESET_MAX_WAIT) {
+ return -EBUSY;
+ }
+ return 0;
+}
+
+static u32
+bnx2_phy_get_pause_adv(struct bnx2 *bp)
+{
+ u32 adv = 0;
+
+ if ((bp->req_flow_ctrl & (FLOW_CTRL_RX | FLOW_CTRL_TX)) ==
+ (FLOW_CTRL_RX | FLOW_CTRL_TX)) {
+
+ if (bp->phy_flags & PHY_SERDES_FLAG) {
+ adv = ADVERTISE_1000XPAUSE;
+ }
+ else {
+ adv = ADVERTISE_PAUSE_CAP;
+ }
+ }
+ else if (bp->req_flow_ctrl & FLOW_CTRL_TX) {
+ if (bp->phy_flags & PHY_SERDES_FLAG) {
+ adv = ADVERTISE_1000XPSE_ASYM;
+ }
+ else {
+ adv = ADVERTISE_PAUSE_ASYM;
+ }
+ }
+ else if (bp->req_flow_ctrl & FLOW_CTRL_RX) {
+ if (bp->phy_flags & PHY_SERDES_FLAG) {
+ adv = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
+ }
+ else {
+ adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
+ }
+ }
+ return adv;
+}
+
+static int
+bnx2_setup_serdes_phy(struct bnx2 *bp)
+{
+ u32 adv, bmcr, up1;
+ u32 new_adv = 0;
+
+ if (!(bp->autoneg & AUTONEG_SPEED)) {
+ u32 new_bmcr;
+ int force_link_down = 0;
+
+ if (CHIP_NUM(bp) == CHIP_NUM_5708) {
+ bnx2_read_phy(bp, BCM5708S_UP1, &up1);
+ if (up1 & BCM5708S_UP1_2G5) {
+ up1 &= ~BCM5708S_UP1_2G5;
+ bnx2_write_phy(bp, BCM5708S_UP1, up1);
+ force_link_down = 1;
+ }
+ }
+
+ bnx2_read_phy(bp, MII_ADVERTISE, &adv);
+ adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF);
+
+ bnx2_read_phy(bp, MII_BMCR, &bmcr);
+ new_bmcr = bmcr & ~BMCR_ANENABLE;
+ new_bmcr |= BMCR_SPEED1000;
+ if (bp->req_duplex == DUPLEX_FULL) {
+ adv |= ADVERTISE_1000XFULL;
+ new_bmcr |= BMCR_FULLDPLX;
+ }
+ else {
+ adv |= ADVERTISE_1000XHALF;
+ new_bmcr &= ~BMCR_FULLDPLX;
+ }
+ if ((new_bmcr != bmcr) || (force_link_down)) {
+ /* Force a link down visible on the other side */
+ if (bp->link_up) {
+ bnx2_write_phy(bp, MII_ADVERTISE, adv &
+ ~(ADVERTISE_1000XFULL |
+ ADVERTISE_1000XHALF));
+ bnx2_write_phy(bp, MII_BMCR, bmcr |
+ BMCR_ANRESTART | BMCR_ANENABLE);
+
+ bp->link_up = 0;
+ bnx2_write_phy(bp, MII_BMCR, new_bmcr);
+ }
+ bnx2_write_phy(bp, MII_ADVERTISE, adv);
+ bnx2_write_phy(bp, MII_BMCR, new_bmcr);
+ }
+ return 0;
+ }
+
+ if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) {
+ bnx2_read_phy(bp, BCM5708S_UP1, &up1);
+ up1 |= BCM5708S_UP1_2G5;
+ bnx2_write_phy(bp, BCM5708S_UP1, up1);
+ }
+
+ if (bp->advertising & ADVERTISED_1000baseT_Full)
+ new_adv |= ADVERTISE_1000XFULL;
+
+ new_adv |= bnx2_phy_get_pause_adv(bp);
+
+ bnx2_read_phy(bp, MII_ADVERTISE, &adv);
+ bnx2_read_phy(bp, MII_BMCR, &bmcr);
+
+ bp->serdes_an_pending = 0;
+ if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) {
+ /* Force a link down visible on the other side */
+ if (bp->link_up) {
+ int i;
+
+ bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
+ for (i = 0; i < 110; i++) {
+ udelay(100);
+ }
+ }
+
+ bnx2_write_phy(bp, MII_ADVERTISE, new_adv);
+ bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART |
+ BMCR_ANENABLE);
+#if 0
+ if (CHIP_NUM(bp) == CHIP_NUM_5706) {
+ /* Speed up link-up time when the link partner
+ * does not autonegotiate which is very common
+ * in blade servers. Some blade servers use
+ * IPMI for kerboard input and it's important
+ * to minimize link disruptions. Autoneg. involves
+ * exchanging base pages plus 3 next pages and
+ * normally completes in about 120 msec.
+ */
+ bp->current_interval = SERDES_AN_TIMEOUT;
+ bp->serdes_an_pending = 1;
+ mod_timer(&bp->timer, jiffies + bp->current_interval);
+ }
+#endif
+ }
+
+ return 0;
+}
+
+#define ETHTOOL_ALL_FIBRE_SPEED \
+ (ADVERTISED_1000baseT_Full)
+
+#define ETHTOOL_ALL_COPPER_SPEED \
+ (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
+ ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
+ ADVERTISED_1000baseT_Full)
+
+#define PHY_ALL_10_100_SPEED (ADVERTISE_10HALF | ADVERTISE_10FULL | \
+ ADVERTISE_100HALF | ADVERTISE_100FULL | ADVERTISE_CSMA)
+
+#define PHY_ALL_1000_SPEED (ADVERTISE_1000HALF | ADVERTISE_1000FULL)
+
+static int
+bnx2_setup_copper_phy(struct bnx2 *bp)
+{
+ u32 bmcr;
+ u32 new_bmcr;
+
+ bnx2_read_phy(bp, MII_BMCR, &bmcr);
+
+ if (bp->autoneg & AUTONEG_SPEED) {
+ u32 adv_reg, adv1000_reg;
+ u32 new_adv_reg = 0;
+ u32 new_adv1000_reg = 0;
+
+ bnx2_read_phy(bp, MII_ADVERTISE, &adv_reg);
+ adv_reg &= (PHY_ALL_10_100_SPEED | ADVERTISE_PAUSE_CAP |
+ ADVERTISE_PAUSE_ASYM);
+
+ bnx2_read_phy(bp, MII_CTRL1000, &adv1000_reg);
+ adv1000_reg &= PHY_ALL_1000_SPEED;
+
+ if (bp->advertising & ADVERTISED_10baseT_Half)
+ new_adv_reg |= ADVERTISE_10HALF;
+ if (bp->advertising & ADVERTISED_10baseT_Full)
+ new_adv_reg |= ADVERTISE_10FULL;
+ if (bp->advertising & ADVERTISED_100baseT_Half)
+ new_adv_reg |= ADVERTISE_100HALF;
+ if (bp->advertising & ADVERTISED_100baseT_Full)
+ new_adv_reg |= ADVERTISE_100FULL;
+ if (bp->advertising & ADVERTISED_1000baseT_Full)
+ new_adv1000_reg |= ADVERTISE_1000FULL;
+
+ new_adv_reg |= ADVERTISE_CSMA;
+
+ new_adv_reg |= bnx2_phy_get_pause_adv(bp);
+
+ if ((adv1000_reg != new_adv1000_reg) ||
+ (adv_reg != new_adv_reg) ||
+ ((bmcr & BMCR_ANENABLE) == 0)) {
+
+ bnx2_write_phy(bp, MII_ADVERTISE, new_adv_reg);
+ bnx2_write_phy(bp, MII_CTRL1000, new_adv1000_reg);
+ bnx2_write_phy(bp, MII_BMCR, BMCR_ANRESTART |
+ BMCR_ANENABLE);
+ }
+ else if (bp->link_up) {
+ /* Flow ctrl may have changed from auto to forced */
+ /* or vice-versa. */
+
+ bnx2_resolve_flow_ctrl(bp);
+ bnx2_set_mac_link(bp);
+ }
+ return 0;
+ }
+
+ new_bmcr = 0;
+ if (bp->req_line_speed == SPEED_100) {
+ new_bmcr |= BMCR_SPEED100;
+ }
+ if (bp->req_duplex == DUPLEX_FULL) {
+ new_bmcr |= BMCR_FULLDPLX;
+ }
+ if (new_bmcr != bmcr) {
+ u32 bmsr;
+ int i = 0;
+
+ bnx2_read_phy(bp, MII_BMSR, &bmsr);
+ bnx2_read_phy(bp, MII_BMSR, &bmsr);
+
+ if (bmsr & BMSR_LSTATUS) {
+ /* Force link down */
+ bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK);
+ do {
+ udelay(100);
+ bnx2_read_phy(bp, MII_BMSR, &bmsr);
+ bnx2_read_phy(bp, MII_BMSR, &bmsr);
+ i++;
+ } while ((bmsr & BMSR_LSTATUS) && (i < 620));
+ }
+
+ bnx2_write_phy(bp, MII_BMCR, new_bmcr);
+
+ /* Normally, the new speed is setup after the link has
+ * gone down and up again. In some cases, link will not go
+ * down so we need to set up the new speed here.
+ */
+ if (bmsr & BMSR_LSTATUS) {
+ bp->line_speed = bp->req_line_speed;
+ bp->duplex = bp->req_duplex;
+ bnx2_resolve_flow_ctrl(bp);
+ bnx2_set_mac_link(bp);
+ }
+ }
+ return 0;
+}
+
+static int
+bnx2_setup_phy(struct bnx2 *bp)
+{
+ if (bp->loopback == MAC_LOOPBACK)
+ return 0;
+
+ if (bp->phy_flags & PHY_SERDES_FLAG) {
+ return (bnx2_setup_serdes_phy(bp));
+ }
+ else {
+ return (bnx2_setup_copper_phy(bp));
+ }
+}
+
+static int
+bnx2_init_5708s_phy(struct bnx2 *bp)
+{
+ u32 val;
+
+ bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
+ bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
+ bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
+
+ bnx2_read_phy(bp, BCM5708S_1000X_CTL1, &val);
+ val |= BCM5708S_1000X_CTL1_FIBER_MODE | BCM5708S_1000X_CTL1_AUTODET_EN;
+ bnx2_write_phy(bp, BCM5708S_1000X_CTL1, val);
+
+ bnx2_read_phy(bp, BCM5708S_1000X_CTL2, &val);
+ val |= BCM5708S_1000X_CTL2_PLLEL_DET_EN;
+ bnx2_write_phy(bp, BCM5708S_1000X_CTL2, val);
+
+ if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) {
+ bnx2_read_phy(bp, BCM5708S_UP1, &val);
+ val |= BCM5708S_UP1_2G5;
+ bnx2_write_phy(bp, BCM5708S_UP1, val);
+ }
+
+ if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
+ (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
+ (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
+ /* increase tx signal amplitude */
+ bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
+ BCM5708S_BLK_ADDR_TX_MISC);
+ bnx2_read_phy(bp, BCM5708S_TX_ACTL1, &val);
+ val &= ~BCM5708S_TX_ACTL1_DRIVER_VCM;
+ bnx2_write_phy(bp, BCM5708S_TX_ACTL1, val);
+ bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
+ }
+
+ val = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG) &
+ BNX2_PORT_HW_CFG_CFG_TXCTL3_MASK;
+
+ if (val) {
+ u32 is_backplane;
+
+ is_backplane = REG_RD_IND(bp, bp->shmem_base +
+ BNX2_SHARED_HW_CFG_CONFIG);
+ if (is_backplane & BNX2_SHARED_HW_CFG_PHY_BACKPLANE) {
+ bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
+ BCM5708S_BLK_ADDR_TX_MISC);
+ bnx2_write_phy(bp, BCM5708S_TX_ACTL3, val);
+ bnx2_write_phy(bp, BCM5708S_BLK_ADDR,
+ BCM5708S_BLK_ADDR_DIG);
+ }
+ }
+ return 0;
+}
+
+static int
+bnx2_init_5706s_phy(struct bnx2 *bp)
+{
+ u32 val;
+
+ bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;
+
+ if (CHIP_NUM(bp) == CHIP_NUM_5706) {
+ REG_WR(bp, BNX2_MISC_UNUSED0, 0x300);
+ }
+
+
+ bnx2_write_phy(bp, 0x18, 0x7);
+ bnx2_read_phy(bp, 0x18, &val);
+ bnx2_write_phy(bp, 0x18, val & ~0x4007);
+
+ bnx2_write_phy(bp, 0x1c, 0x6c00);
+ bnx2_read_phy(bp, 0x1c, &val);
+ bnx2_write_phy(bp, 0x1c, (val & 0x3fd) | 0xec00);
+
+ return 0;
+}
+
+static int
+bnx2_init_copper_phy(struct bnx2 *bp)
+{
+ u32 val;
+
+ bp->phy_flags |= PHY_CRC_FIX_FLAG;
+
+ if (bp->phy_flags & PHY_CRC_FIX_FLAG) {
+ bnx2_write_phy(bp, 0x18, 0x0c00);
+ bnx2_write_phy(bp, 0x17, 0x000a);
+ bnx2_write_phy(bp, 0x15, 0x310b);
+ bnx2_write_phy(bp, 0x17, 0x201f);
+ bnx2_write_phy(bp, 0x15, 0x9506);
+ bnx2_write_phy(bp, 0x17, 0x401f);
+ bnx2_write_phy(bp, 0x15, 0x14e2);
+ bnx2_write_phy(bp, 0x18, 0x0400);
+ }
+
+ bnx2_write_phy(bp, 0x18, 0x7);
+ bnx2_read_phy(bp, 0x18, &val);
+ bnx2_write_phy(bp, 0x18, val & ~0x4007);
+
+ bnx2_read_phy(bp, 0x10, &val);
+ bnx2_write_phy(bp, 0x10, val & ~0x1);
+
+ /* ethernet@wirespeed */
+ bnx2_write_phy(bp, 0x18, 0x7007);
+ bnx2_read_phy(bp, 0x18, &val);
+ bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
+ return 0;
+}
+
+static int
+bnx2_init_phy(struct bnx2 *bp)
+{
+ u32 val;
+ int rc = 0;
+
+ bp->phy_flags &= ~PHY_INT_MODE_MASK_FLAG;
+ bp->phy_flags |= PHY_INT_MODE_LINK_READY_FLAG;
+
+ REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
+
+ bnx2_reset_phy(bp);
+
+ bnx2_read_phy(bp, MII_PHYSID1, &val);
+ bp->phy_id = val << 16;
+ bnx2_read_phy(bp, MII_PHYSID2, &val);
+ bp->phy_id |= val & 0xffff;
+
+ if (bp->phy_flags & PHY_SERDES_FLAG) {
+ if (CHIP_NUM(bp) == CHIP_NUM_5706)
+ rc = bnx2_init_5706s_phy(bp);
+ else if (CHIP_NUM(bp) == CHIP_NUM_5708)
+ rc = bnx2_init_5708s_phy(bp);
+ }
+ else {
+ rc = bnx2_init_copper_phy(bp);
+ }
+
+ bnx2_setup_phy(bp);
+
+ return rc;
+}
+
+static int
+bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent)
+{
+ int i;
+ u32 val;
+
+ bp->fw_wr_seq++;
+ msg_data |= bp->fw_wr_seq;
+
+ REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
+
+ /* wait for an acknowledgement. */
+ for (i = 0; i < (FW_ACK_TIME_OUT_MS / 50); i++) {
+ mdelay(50);
+
+ val = REG_RD_IND(bp, bp->shmem_base + BNX2_FW_MB);
+
+ if ((val & BNX2_FW_MSG_ACK) == (msg_data & BNX2_DRV_MSG_SEQ))
+ break;
+ }
+ if ((msg_data & BNX2_DRV_MSG_DATA) == BNX2_DRV_MSG_DATA_WAIT0)
+ return 0;
+
+ /* If we timed out, inform the firmware that this is the case. */
+ if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) {
+ if (!silent)
+ printf("fw sync timeout, reset code = %x\n", (unsigned int) msg_data);
+
+ msg_data &= ~BNX2_DRV_MSG_CODE;
+ msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT;
+
+ REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_MB, msg_data);
+
+ return -EBUSY;
+ }
+
+ if ((val & BNX2_FW_MSG_STATUS_MASK) != BNX2_FW_MSG_STATUS_OK)
+ return -EIO;
+
+ return 0;
+}
+
+static void
+bnx2_init_context(struct bnx2 *bp)
+{
+ u32 vcid;
+
+ vcid = 96;
+ while (vcid) {
+ u32 vcid_addr, pcid_addr, offset;
+
+ vcid--;
+
+ if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
+ u32 new_vcid;
+
+ vcid_addr = GET_PCID_ADDR(vcid);
+ if (vcid & 0x8) {
+ new_vcid = 0x60 + (vcid & 0xf0) + (vcid & 0x7);
+ }
+ else {
+ new_vcid = vcid;
+ }
+ pcid_addr = GET_PCID_ADDR(new_vcid);
+ }
+ else {
+ vcid_addr = GET_CID_ADDR(vcid);
+ pcid_addr = vcid_addr;
+ }
+
+ REG_WR(bp, BNX2_CTX_VIRT_ADDR, 0x00);
+ REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
+
+ /* Zero out the context. */
+ for (offset = 0; offset < PHY_CTX_SIZE; offset += 4) {
+ CTX_WR(bp, 0x00, offset, 0);
+ }
+
+ REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr);
+ REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr);
+ }
+}
+
+static int
+bnx2_alloc_bad_rbuf(struct bnx2 *bp)
+{
+ u16 good_mbuf[512];
+ u32 good_mbuf_cnt;
+ u32 val;
+
+ REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
+ BNX2_MISC_ENABLE_SET_BITS_RX_MBUF_ENABLE);
+
+ good_mbuf_cnt = 0;
+
+ /* Allocate a bunch of mbufs and save the good ones in an array. */
+ val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
+ while (val & BNX2_RBUF_STATUS1_FREE_COUNT) {
+ REG_WR_IND(bp, BNX2_RBUF_COMMAND, BNX2_RBUF_COMMAND_ALLOC_REQ);
+
+ val = REG_RD_IND(bp, BNX2_RBUF_FW_BUF_ALLOC);
+
+ val &= BNX2_RBUF_FW_BUF_ALLOC_VALUE;
+
+ /* The addresses with Bit 9 set are bad memory blocks. */
+ if (!(val & (1 << 9))) {
+ good_mbuf[good_mbuf_cnt] = (u16) val;
+ good_mbuf_cnt++;
+ }
+
+ val = REG_RD_IND(bp, BNX2_RBUF_STATUS1);
+ }
+
+ /* Free the good ones back to the mbuf pool thus discarding
+ * all the bad ones. */
+ while (good_mbuf_cnt) {
+ good_mbuf_cnt--;
+
+ val = good_mbuf[good_mbuf_cnt];
+ val = (val << 9) | val | 1;
+
+ REG_WR_IND(bp, BNX2_RBUF_FW_BUF_FREE, val);
+ }
+ return 0;
+}
+
+static void
+bnx2_set_mac_addr(struct bnx2 *bp)
+{
+ u32 val;
+ u8 *mac_addr = bp->nic->node_addr;
+
+ val = (mac_addr[0] << 8) | mac_addr[1];
+
+ REG_WR(bp, BNX2_EMAC_MAC_MATCH0, val);
+
+ val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
+ (mac_addr[4] << 8) | mac_addr[5];
+
+ REG_WR(bp, BNX2_EMAC_MAC_MATCH1, val);
+}
+
+static void
+bnx2_set_rx_mode(struct nic *nic __unused)
+{
+ struct bnx2 *bp = &bnx2;
+ u32 rx_mode, sort_mode;
+ int i;
+
+ rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
+ BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
+ sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
+
+ if (!(bp->flags & ASF_ENABLE_FLAG)) {
+ rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
+ }
+
+ /* Accept all multicasts */
+ for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) {
+ REG_WR(bp, BNX2_EMAC_MULTICAST_HASH0 + (i * 4),
+ 0xffffffff);
+ }
+ sort_mode |= BNX2_RPM_SORT_USER0_MC_EN;
+
+ if (rx_mode != bp->rx_mode) {
+ bp->rx_mode = rx_mode;
+ REG_WR(bp, BNX2_EMAC_RX_MODE, rx_mode);
+ }
+
+ REG_WR(bp, BNX2_RPM_SORT_USER0, 0x0);
+ REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode);
+ REG_WR(bp, BNX2_RPM_SORT_USER0, sort_mode | BNX2_RPM_SORT_USER0_ENA);
+}
+
+static void
+load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len, u32 rv2p_proc)
+{
+ unsigned int i;
+ u32 val;
+
+
+ for (i = 0; i < rv2p_code_len; i += 8) {
+ REG_WR(bp, BNX2_RV2P_INSTR_HIGH, *rv2p_code);
+ rv2p_code++;
+ REG_WR(bp, BNX2_RV2P_INSTR_LOW, *rv2p_code);
+ rv2p_code++;
+
+ if (rv2p_proc == RV2P_PROC1) {
+ val = (i / 8) | BNX2_RV2P_PROC1_ADDR_CMD_RDWR;
+ REG_WR(bp, BNX2_RV2P_PROC1_ADDR_CMD, val);
+ }
+ else {
+ val = (i / 8) | BNX2_RV2P_PROC2_ADDR_CMD_RDWR;
+ REG_WR(bp, BNX2_RV2P_PROC2_ADDR_CMD, val);
+ }
+ }
+
+ /* Reset the processor, un-stall is done later. */
+ if (rv2p_proc == RV2P_PROC1) {
+ REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC1_RESET);
+ }
+ else {
+ REG_WR(bp, BNX2_RV2P_COMMAND, BNX2_RV2P_COMMAND_PROC2_RESET);
+ }
+}
+
+static void
+load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw)
+{
+ u32 offset;
+ u32 val;
+
+ /* Halt the CPU. */
+ val = REG_RD_IND(bp, cpu_reg->mode);
+ val |= cpu_reg->mode_value_halt;
+ REG_WR_IND(bp, cpu_reg->mode, val);
+ REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
+
+ /* Load the Text area. */
+ offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
+ if (fw->text) {
+ unsigned int j;
+
+ for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
+ REG_WR_IND(bp, offset, fw->text[j]);
+ }
+ }
+
+ /* Load the Data area. */
+ offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
+ if (fw->data) {
+ unsigned int j;
+
+ for (j = 0; j < (fw->data_len / 4); j++, offset += 4) {
+ REG_WR_IND(bp, offset, fw->data[j]);
+ }
+ }
+
+ /* Load the SBSS area. */
+ offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
+ if (fw->sbss) {
+ unsigned int j;
+
+ for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) {
+ REG_WR_IND(bp, offset, fw->sbss[j]);
+ }
+ }
+
+ /* Load the BSS area. */
+ offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
+ if (fw->bss) {
+ unsigned int j;
+
+ for (j = 0; j < (fw->bss_len/4); j++, offset += 4) {
+ REG_WR_IND(bp, offset, fw->bss[j]);
+ }
+ }
+
+ /* Load the Read-Only area. */
+ offset = cpu_reg->spad_base +
+ (fw->rodata_addr - cpu_reg->mips_view_base);
+ if (fw->rodata) {
+ unsigned int j;
+
+ for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) {
+ REG_WR_IND(bp, offset, fw->rodata[j]);
+ }
+ }
+
+ /* Clear the pre-fetch instruction. */
+ REG_WR_IND(bp, cpu_reg->inst, 0);
+ REG_WR_IND(bp, cpu_reg->pc, fw->start_addr);
+
+ /* Start the CPU. */
+ val = REG_RD_IND(bp, cpu_reg->mode);
+ val &= ~cpu_reg->mode_value_halt;
+ REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear);
+ REG_WR_IND(bp, cpu_reg->mode, val);
+}
+
+static void
+bnx2_init_cpus(struct bnx2 *bp)
+{
+ struct cpu_reg cpu_reg;
+ struct fw_info fw;
+
+ /* Unfortunately, it looks like we need to load the firmware
+ * before the card will work properly. That means this driver
+ * will be huge by Etherboot standards (approx. 50K compressed).
+ */
+
+ /* Initialize the RV2P processor. */
+ load_rv2p_fw(bp, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1), RV2P_PROC1);
+ load_rv2p_fw(bp, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2), RV2P_PROC2);
+
+ /* Initialize the RX Processor. */
+ cpu_reg.mode = BNX2_RXP_CPU_MODE;
+ cpu_reg.mode_value_halt = BNX2_RXP_CPU_MODE_SOFT_HALT;
+ cpu_reg.mode_value_sstep = BNX2_RXP_CPU_MODE_STEP_ENA;
+ cpu_reg.state = BNX2_RXP_CPU_STATE;
+ cpu_reg.state_value_clear = 0xffffff;
+ cpu_reg.gpr0 = BNX2_RXP_CPU_REG_FILE;
+ cpu_reg.evmask = BNX2_RXP_CPU_EVENT_MASK;
+ cpu_reg.pc = BNX2_RXP_CPU_PROGRAM_COUNTER;
+ cpu_reg.inst = BNX2_RXP_CPU_INSTRUCTION;
+ cpu_reg.bp = BNX2_RXP_CPU_HW_BREAKPOINT;
+ cpu_reg.spad_base = BNX2_RXP_SCRATCH;
+ cpu_reg.mips_view_base = 0x8000000;
+
+ fw.ver_major = bnx2_RXP_b06FwReleaseMajor;
+ fw.ver_minor = bnx2_RXP_b06FwReleaseMinor;
+ fw.ver_fix = bnx2_RXP_b06FwReleaseFix;
+ fw.start_addr = bnx2_RXP_b06FwStartAddr;
+
+ fw.text_addr = bnx2_RXP_b06FwTextAddr;
+ fw.text_len = bnx2_RXP_b06FwTextLen;
+ fw.text_index = 0;
+ fw.text = bnx2_RXP_b06FwText;
+
+ fw.data_addr = bnx2_RXP_b06FwDataAddr;
+ fw.data_len = bnx2_RXP_b06FwDataLen;
+ fw.data_index = 0;
+ fw.data = bnx2_RXP_b06FwData;
+
+ fw.sbss_addr = bnx2_RXP_b06FwSbssAddr;
+ fw.sbss_len = bnx2_RXP_b06FwSbssLen;
+ fw.sbss_index = 0;
+ fw.sbss = bnx2_RXP_b06FwSbss;
+
+ fw.bss_addr = bnx2_RXP_b06FwBssAddr;
+ fw.bss_len = bnx2_RXP_b06FwBssLen;
+ fw.bss_index = 0;
+ fw.bss = bnx2_RXP_b06FwBss;
+
+ fw.rodata_addr = bnx2_RXP_b06FwRodataAddr;
+ fw.rodata_len = bnx2_RXP_b06FwRodataLen;
+ fw.rodata_index = 0;
+ fw.rodata = bnx2_RXP_b06FwRodata;
+
+ load_cpu_fw(bp, &cpu_reg, &fw);
+
+ /* Initialize the TX Processor. */
+ cpu_reg.mode = BNX2_TXP_CPU_MODE;
+ cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT;
+ cpu_reg.mode_value_sstep = BNX2_TXP_CPU_MODE_STEP_ENA;
+ cpu_reg.state = BNX2_TXP_CPU_STATE;
+ cpu_reg.state_value_clear = 0xffffff;
+ cpu_reg.gpr0 = BNX2_TXP_CPU_REG_FILE;
+ cpu_reg.evmask = BNX2_TXP_CPU_EVENT_MASK;
+ cpu_reg.pc = BNX2_TXP_CPU_PROGRAM_COUNTER;
+ cpu_reg.inst = BNX2_TXP_CPU_INSTRUCTION;
+ cpu_reg.bp = BNX2_TXP_CPU_HW_BREAKPOINT;
+ cpu_reg.spad_base = BNX2_TXP_SCRATCH;
+ cpu_reg.mips_view_base = 0x8000000;
+
+ fw.ver_major = bnx2_TXP_b06FwReleaseMajor;
+ fw.ver_minor = bnx2_TXP_b06FwReleaseMinor;
+ fw.ver_fix = bnx2_TXP_b06FwReleaseFix;
+ fw.start_addr = bnx2_TXP_b06FwStartAddr;
+
+ fw.text_addr = bnx2_TXP_b06FwTextAddr;
+ fw.text_len = bnx2_TXP_b06FwTextLen;
+ fw.text_index = 0;
+ fw.text = bnx2_TXP_b06FwText;
+
+ fw.data_addr = bnx2_TXP_b06FwDataAddr;
+ fw.data_len = bnx2_TXP_b06FwDataLen;
+ fw.data_index = 0;
+ fw.data = bnx2_TXP_b06FwData;
+
+ fw.sbss_addr = bnx2_TXP_b06FwSbssAddr;
+ fw.sbss_len = bnx2_TXP_b06FwSbssLen;
+ fw.sbss_index = 0;
+ fw.sbss = bnx2_TXP_b06FwSbss;
+
+ fw.bss_addr = bnx2_TXP_b06FwBssAddr;
+ fw.bss_len = bnx2_TXP_b06FwBssLen;
+ fw.bss_index = 0;
+ fw.bss = bnx2_TXP_b06FwBss;
+
+ fw.rodata_addr = bnx2_TXP_b06FwRodataAddr;
+ fw.rodata_len = bnx2_TXP_b06FwRodataLen;
+ fw.rodata_index = 0;
+ fw.rodata = bnx2_TXP_b06FwRodata;
+
+ load_cpu_fw(bp, &cpu_reg, &fw);
+
+ /* Initialize the TX Patch-up Processor. */
+ cpu_reg.mode = BNX2_TPAT_CPU_MODE;
+ cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT;
+ cpu_reg.mode_value_sstep = BNX2_TPAT_CPU_MODE_STEP_ENA;
+ cpu_reg.state = BNX2_TPAT_CPU_STATE;
+ cpu_reg.state_value_clear = 0xffffff;
+ cpu_reg.gpr0 = BNX2_TPAT_CPU_REG_FILE;
+ cpu_reg.evmask = BNX2_TPAT_CPU_EVENT_MASK;
+ cpu_reg.pc = BNX2_TPAT_CPU_PROGRAM_COUNTER;
+ cpu_reg.inst = BNX2_TPAT_CPU_INSTRUCTION;
+ cpu_reg.bp = BNX2_TPAT_CPU_HW_BREAKPOINT;
+ cpu_reg.spad_base = BNX2_TPAT_SCRATCH;
+ cpu_reg.mips_view_base = 0x8000000;
+
+ fw.ver_major = bnx2_TPAT_b06FwReleaseMajor;
+ fw.ver_minor = bnx2_TPAT_b06FwReleaseMinor;
+ fw.ver_fix = bnx2_TPAT_b06FwReleaseFix;
+ fw.start_addr = bnx2_TPAT_b06FwStartAddr;
+
+ fw.text_addr = bnx2_TPAT_b06FwTextAddr;
+ fw.text_len = bnx2_TPAT_b06FwTextLen;
+ fw.text_index = 0;
+ fw.text = bnx2_TPAT_b06FwText;
+
+ fw.data_addr = bnx2_TPAT_b06FwDataAddr;
+ fw.data_len = bnx2_TPAT_b06FwDataLen;
+ fw.data_index = 0;
+ fw.data = bnx2_TPAT_b06FwData;
+
+ fw.sbss_addr = bnx2_TPAT_b06FwSbssAddr;
+ fw.sbss_len = bnx2_TPAT_b06FwSbssLen;
+ fw.sbss_index = 0;
+ fw.sbss = bnx2_TPAT_b06FwSbss;
+
+ fw.bss_addr = bnx2_TPAT_b06FwBssAddr;
+ fw.bss_len = bnx2_TPAT_b06FwBssLen;
+ fw.bss_index = 0;
+ fw.bss = bnx2_TPAT_b06FwBss;
+
+ fw.rodata_addr = bnx2_TPAT_b06FwRodataAddr;
+ fw.rodata_len = bnx2_TPAT_b06FwRodataLen;
+ fw.rodata_index = 0;
+ fw.rodata = bnx2_TPAT_b06FwRodata;
+
+ load_cpu_fw(bp, &cpu_reg, &fw);
+
+ /* Initialize the Completion Processor. */
+ cpu_reg.mode = BNX2_COM_CPU_MODE;
+ cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT;
+ cpu_reg.mode_value_sstep = BNX2_COM_CPU_MODE_STEP_ENA;
+ cpu_reg.state = BNX2_COM_CPU_STATE;
+ cpu_reg.state_value_clear = 0xffffff;
+ cpu_reg.gpr0 = BNX2_COM_CPU_REG_FILE;
+ cpu_reg.evmask = BNX2_COM_CPU_EVENT_MASK;
+ cpu_reg.pc = BNX2_COM_CPU_PROGRAM_COUNTER;
+ cpu_reg.inst = BNX2_COM_CPU_INSTRUCTION;
+ cpu_reg.bp = BNX2_COM_CPU_HW_BREAKPOINT;
+ cpu_reg.spad_base = BNX2_COM_SCRATCH;
+ cpu_reg.mips_view_base = 0x8000000;
+
+ fw.ver_major = bnx2_COM_b06FwReleaseMajor;
+ fw.ver_minor = bnx2_COM_b06FwReleaseMinor;
+ fw.ver_fix = bnx2_COM_b06FwReleaseFix;
+ fw.start_addr = bnx2_COM_b06FwStartAddr;
+
+ fw.text_addr = bnx2_COM_b06FwTextAddr;
+ fw.text_len = bnx2_COM_b06FwTextLen;
+ fw.text_index = 0;
+ fw.text = bnx2_COM_b06FwText;
+
+ fw.data_addr = bnx2_COM_b06FwDataAddr;
+ fw.data_len = bnx2_COM_b06FwDataLen;
+ fw.data_index = 0;
+ fw.data = bnx2_COM_b06FwData;
+
+ fw.sbss_addr = bnx2_COM_b06FwSbssAddr;
+ fw.sbss_len = bnx2_COM_b06FwSbssLen;
+ fw.sbss_index = 0;
+ fw.sbss = bnx2_COM_b06FwSbss;
+
+ fw.bss_addr = bnx2_COM_b06FwBssAddr;
+ fw.bss_len = bnx2_COM_b06FwBssLen;
+ fw.bss_index = 0;
+ fw.bss = bnx2_COM_b06FwBss;
+
+ fw.rodata_addr = bnx2_COM_b06FwRodataAddr;
+ fw.rodata_len = bnx2_COM_b06FwRodataLen;
+ fw.rodata_index = 0;
+ fw.rodata = bnx2_COM_b06FwRodata;
+
+ load_cpu_fw(bp, &cpu_reg, &fw);
+
+}
+
+static int
+bnx2_set_power_state_0(struct bnx2 *bp)
+{
+ u16 pmcsr;
+ u32 val;
+
+ pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
+
+ pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
+ (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
+ PCI_PM_CTRL_PME_STATUS);
+
+ if (pmcsr & PCI_PM_CTRL_STATE_MASK)
+ /* delay required during transition out of D3hot */
+ mdelay(20);
+
+ val = REG_RD(bp, BNX2_EMAC_MODE);
+ val |= BNX2_EMAC_MODE_MPKT_RCVD | BNX2_EMAC_MODE_ACPI_RCVD;
+ val &= ~BNX2_EMAC_MODE_MPKT;
+ REG_WR(bp, BNX2_EMAC_MODE, val);
+
+ val = REG_RD(bp, BNX2_RPM_CONFIG);
+ val &= ~BNX2_RPM_CONFIG_ACPI_ENA;
+ REG_WR(bp, BNX2_RPM_CONFIG, val);
+
+ return 0;
+}
+
+static void
+bnx2_enable_nvram_access(struct bnx2 *bp)
+{
+ u32 val;
+
+ val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
+ /* Enable both bits, even on read. */
+ REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
+ val | BNX2_NVM_ACCESS_ENABLE_EN | BNX2_NVM_ACCESS_ENABLE_WR_EN);
+}
+
+static void
+bnx2_disable_nvram_access(struct bnx2 *bp)
+{
+ u32 val;
+
+ val = REG_RD(bp, BNX2_NVM_ACCESS_ENABLE);
+ /* Disable both bits, even after read. */
+ REG_WR(bp, BNX2_NVM_ACCESS_ENABLE,
+ val & ~(BNX2_NVM_ACCESS_ENABLE_EN |
+ BNX2_NVM_ACCESS_ENABLE_WR_EN));
+}
+
+static int
+bnx2_init_nvram(struct bnx2 *bp)
+{
+ u32 val;
+ int j, entry_count, rc;
+ struct flash_spec *flash;
+
+ /* Determine the selected interface. */
+ val = REG_RD(bp, BNX2_NVM_CFG1);
+
+ entry_count = sizeof(flash_table) / sizeof(struct flash_spec);
+
+ rc = 0;
+ if (val & 0x40000000) {
+ /* Flash interface has been reconfigured */
+ for (j = 0, flash = &flash_table[0]; j < entry_count;
+ j++, flash++) {
+ if ((val & FLASH_BACKUP_STRAP_MASK) ==
+ (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
+ bp->flash_info = flash;
+ break;
+ }
+ }
+ }
+ else {
+ u32 mask;
+ /* Not yet been reconfigured */
+
+ if (val & (1 << 23))
+ mask = FLASH_BACKUP_STRAP_MASK;
+ else
+ mask = FLASH_STRAP_MASK;
+
+ for (j = 0, flash = &flash_table[0]; j < entry_count;
+ j++, flash++) {
+
+ if ((val & mask) == (flash->strapping & mask)) {
+ bp->flash_info = flash;
+
+ /* Enable access to flash interface */
+ bnx2_enable_nvram_access(bp);
+
+ /* Reconfigure the flash interface */
+ REG_WR(bp, BNX2_NVM_CFG1, flash->config1);
+ REG_WR(bp, BNX2_NVM_CFG2, flash->config2);
+ REG_WR(bp, BNX2_NVM_CFG3, flash->config3);
+ REG_WR(bp, BNX2_NVM_WRITE1, flash->write1);
+
+ /* Disable access to flash interface */
+ bnx2_disable_nvram_access(bp);
+
+ break;
+ }
+ }
+ } /* if (val & 0x40000000) */
+
+ if (j == entry_count) {
+ bp->flash_info = NULL;
+ printf("Unknown flash/EEPROM type.\n");
+ return -ENODEV;
+ }
+
+ val = REG_RD_IND(bp, bp->shmem_base + BNX2_SHARED_HW_CFG_CONFIG2);
+ val &= BNX2_SHARED_HW_CFG2_NVM_SIZE_MASK;
+ if (val) {
+ bp->flash_size = val;
+ }
+ else {
+ bp->flash_size = bp->flash_info->total_size;
+ }
+
+ return rc;
+}
+
+static int
+bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
+{
+ u32 val;
+ int i, rc = 0;
+
+ /* Wait for the current PCI transaction to complete before
+ * issuing a reset. */
+ REG_WR(bp, BNX2_MISC_ENABLE_CLR_BITS,
+ BNX2_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
+ BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
+ BNX2_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
+ BNX2_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
+ val = REG_RD(bp, BNX2_MISC_ENABLE_CLR_BITS);
+ udelay(5);
+
+
+ /* Wait for the firmware to tell us it is ok to issue a reset. */
+ bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1);
+
+ /* Deposit a driver reset signature so the firmware knows that
+ * this is a soft reset. */
+ REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_RESET_SIGNATURE,
+ BNX2_DRV_RESET_SIGNATURE_MAGIC);
+
+ /* Do a dummy read to force the chip to complete all current transaction
+ * before we issue a reset. */
+ val = REG_RD(bp, BNX2_MISC_ID);
+
+ val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
+ BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
+ BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
+
+ /* Chip reset. */
+ REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
+
+ if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
+ (CHIP_ID(bp) == CHIP_ID_5706_A1))
+ mdelay(15);
+
+ /* Reset takes approximate 30 usec */
+ for (i = 0; i < 10; i++) {
+ val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
+ if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
+ BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) {
+ break;
+ }
+ udelay(10);
+ }
+
+ if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
+ BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
+ printf("Chip reset did not complete\n");
+ return -EBUSY;
+ }
+
+ /* Make sure byte swapping is properly configured. */
+ val = REG_RD(bp, BNX2_PCI_SWAP_DIAG0);
+ if (val != 0x01020304) {
+ printf("Chip not in correct endian mode\n");
+ return -ENODEV;
+ }
+
+ /* Wait for the firmware to finish its initialization. */
+ rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT1 | reset_code, 0);
+ if (rc) {
+ return rc;
+ }
+
+ if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
+ /* Adjust the voltage regular to two steps lower. The default
+ * of this register is 0x0000000e. */
+ REG_WR(bp, BNX2_MISC_VREG_CONTROL, 0x000000fa);
+
+ /* Remove bad rbuf memory from the free pool. */
+ rc = bnx2_alloc_bad_rbuf(bp);
+ }
+
+ return rc;
+}
+
+static void
+bnx2_disable(struct nic *nic __unused)
+{
+ struct bnx2* bp = &bnx2;
+
+ if (bp->regview) {
+ bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_UNLOAD);
+ iounmap(bp->regview);
+ }
+}
+
+static int
+bnx2_init_chip(struct bnx2 *bp)
+{
+ u32 val;
+ int rc;
+
+ /* Make sure the interrupt is not active. */
+ REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD, BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
+
+ val = BNX2_DMA_CONFIG_DATA_BYTE_SWAP |
+ BNX2_DMA_CONFIG_DATA_WORD_SWAP |
+#if __BYTE_ORDER == __BIG_ENDIAN
+ BNX2_DMA_CONFIG_CNTL_BYTE_SWAP |
+#endif
+ BNX2_DMA_CONFIG_CNTL_WORD_SWAP |
+ DMA_READ_CHANS << 12 |
+ DMA_WRITE_CHANS << 16;
+
+ val |= (0x2 << 20) | (1 << 11);
+
+ if ((bp->flags & PCIX_FLAG) && (bp->bus_speed_mhz == 133))
+ val |= (1 << 23);
+
+ if ((CHIP_NUM(bp) == CHIP_NUM_5706) &&
+ (CHIP_ID(bp) != CHIP_ID_5706_A0) && !(bp->flags & PCIX_FLAG))
+ val |= BNX2_DMA_CONFIG_CNTL_PING_PONG_DMA;
+
+ REG_WR(bp, BNX2_DMA_CONFIG, val);
+
+ if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
+ val = REG_RD(bp, BNX2_TDMA_CONFIG);
+ val |= BNX2_TDMA_CONFIG_ONE_DMA;
+ REG_WR(bp, BNX2_TDMA_CONFIG, val);
+ }
+
+ if (bp->flags & PCIX_FLAG) {
+ u16 val16;
+
+ pci_read_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
+ &val16);
+ pci_write_config_word(bp->pdev, bp->pcix_cap + PCI_X_CMD,
+ val16 & ~PCI_X_CMD_ERO);
+ }
+
+ REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS,
+ BNX2_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
+ BNX2_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
+ BNX2_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
+
+ /* Initialize context mapping and zero out the quick contexts. The
+ * context block must have already been enabled. */
+ bnx2_init_context(bp);
+
+ bnx2_init_nvram(bp);
+ bnx2_init_cpus(bp);
+
+ bnx2_set_mac_addr(bp);
+
+ val = REG_RD(bp, BNX2_MQ_CONFIG);
+ val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
+ val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
+ REG_WR(bp, BNX2_MQ_CONFIG, val);
+
+ val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
+ REG_WR(bp, BNX2_MQ_KNL_BYP_WIND_START, val);
+ REG_WR(bp, BNX2_MQ_KNL_WIND_END, val);
+
+ val = (BCM_PAGE_BITS - 8) << 24;
+ REG_WR(bp, BNX2_RV2P_CONFIG, val);
+
+ /* Configure page size. */
+ val = REG_RD(bp, BNX2_TBDR_CONFIG);
+ val &= ~BNX2_TBDR_CONFIG_PAGE_SIZE;
+ val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
+ REG_WR(bp, BNX2_TBDR_CONFIG, val);
+
+ val = bp->mac_addr[0] +
+ (bp->mac_addr[1] << 8) +
+ (bp->mac_addr[2] << 16) +
+ bp->mac_addr[3] +
+ (bp->mac_addr[4] << 8) +
+ (bp->mac_addr[5] << 16);
+ REG_WR(bp, BNX2_EMAC_BACKOFF_SEED, val);
+
+ /* Program the MTU. Also include 4 bytes for CRC32. */
+ val = ETH_MAX_MTU + ETH_HLEN + 4;
+ if (val > (MAX_ETHERNET_PACKET_SIZE + 4))
+ val |= BNX2_EMAC_RX_MTU_SIZE_JUMBO_ENA;
+ REG_WR(bp, BNX2_EMAC_RX_MTU_SIZE, val);
+
+ bp->last_status_idx = 0;
+ bp->rx_mode = BNX2_EMAC_RX_MODE_SORT_MODE;
+
+ /* Set up how to generate a link change interrupt. */
+ REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);
+
+ REG_WR(bp, BNX2_HC_STATUS_ADDR_L,
+ (u64) bp->status_blk_mapping & 0xffffffff);
+ REG_WR(bp, BNX2_HC_STATUS_ADDR_H, (u64) bp->status_blk_mapping >> 32);
+
+ REG_WR(bp, BNX2_HC_STATISTICS_ADDR_L,
+ (u64) bp->stats_blk_mapping & 0xffffffff);
+ REG_WR(bp, BNX2_HC_STATISTICS_ADDR_H,
+ (u64) bp->stats_blk_mapping >> 32);
+
+ REG_WR(bp, BNX2_HC_TX_QUICK_CONS_TRIP,
+ (bp->tx_quick_cons_trip_int << 16) | bp->tx_quick_cons_trip);
+
+ REG_WR(bp, BNX2_HC_RX_QUICK_CONS_TRIP,
+ (bp->rx_quick_cons_trip_int << 16) | bp->rx_quick_cons_trip);
+
+ REG_WR(bp, BNX2_HC_COMP_PROD_TRIP,
+ (bp->comp_prod_trip_int << 16) | bp->comp_prod_trip);
+
+ REG_WR(bp, BNX2_HC_TX_TICKS, (bp->tx_ticks_int << 16) | bp->tx_ticks);
+
+ REG_WR(bp, BNX2_HC_RX_TICKS, (bp->rx_ticks_int << 16) | bp->rx_ticks);
+
+ REG_WR(bp, BNX2_HC_COM_TICKS,
+ (bp->com_ticks_int << 16) | bp->com_ticks);
+
+ REG_WR(bp, BNX2_HC_CMD_TICKS,
+ (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
+
+ REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks & 0xffff00);
+ REG_WR(bp, BNX2_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
+
+ if (CHIP_ID(bp) == CHIP_ID_5706_A1)
+ REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_COLLECT_STATS);
+ else {
+ REG_WR(bp, BNX2_HC_CONFIG, BNX2_HC_CONFIG_RX_TMR_MODE |
+ BNX2_HC_CONFIG_TX_TMR_MODE |
+ BNX2_HC_CONFIG_COLLECT_STATS);
+ }
+
+ /* Clear internal stats counters. */
+ REG_WR(bp, BNX2_HC_COMMAND, BNX2_HC_COMMAND_CLR_STAT_NOW);
+
+ REG_WR(bp, BNX2_HC_ATTN_BITS_ENABLE, STATUS_ATTN_BITS_LINK_STATE);
+
+ if (REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_FEATURE) &
+ BNX2_PORT_FEATURE_ASF_ENABLED)
+ bp->flags |= ASF_ENABLE_FLAG;
+
+ /* Initialize the receive filter. */
+ bnx2_set_rx_mode(bp->nic);
+
+ rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
+ 0);
+
+ REG_WR(bp, BNX2_MISC_ENABLE_SET_BITS, 0x5ffffff);
+ REG_RD(bp, BNX2_MISC_ENABLE_SET_BITS);
+
+ udelay(20);
+
+ bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
+
+ return rc;
+}
+
+static void
+bnx2_init_tx_ring(struct bnx2 *bp)
+{
+ struct tx_bd *txbd;
+ u32 val;
+
+ txbd = &bp->tx_desc_ring[MAX_TX_DESC_CNT];
+
+ /* Etherboot lives below 4GB, so hi is always 0 */
+ txbd->tx_bd_haddr_hi = 0;
+ txbd->tx_bd_haddr_lo = bp->tx_desc_mapping;
+
+ bp->tx_prod = 0;
+ bp->tx_cons = 0;
+ bp->hw_tx_cons = 0;
+ bp->tx_prod_bseq = 0;
+
+ val = BNX2_L2CTX_TYPE_TYPE_L2;
+ val |= BNX2_L2CTX_TYPE_SIZE_L2;
+ CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TYPE, val);
+
+ val = BNX2_L2CTX_CMD_TYPE_TYPE_L2;
+ val |= 8 << 16;
+ CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_CMD_TYPE, val);
+
+ /* Etherboot lives below 4GB, so hi is always 0 */
+ CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_HI, 0);
+
+ val = (u64) bp->tx_desc_mapping & 0xffffffff;
+ CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_LO, val);
+}
+
+static void
+bnx2_init_rx_ring(struct bnx2 *bp)
+{
+ struct rx_bd *rxbd;
+ unsigned int i;
+ u16 prod, ring_prod;
+ u32 val;
+
+ bp->rx_buf_use_size = RX_BUF_USE_SIZE;
+ bp->rx_buf_size = RX_BUF_SIZE;
+
+ ring_prod = prod = bp->rx_prod = 0;
+ bp->rx_cons = 0;
+ bp->hw_rx_cons = 0;
+ bp->rx_prod_bseq = 0;
+
+ memset(bnx2_bss.rx_buf, 0, sizeof(bnx2_bss.rx_buf));
+
+ rxbd = &bp->rx_desc_ring[0];
+ for (i = 0; i < MAX_RX_DESC_CNT; i++, rxbd++) {
+ rxbd->rx_bd_len = bp->rx_buf_use_size;
+ rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
+ }
+ rxbd->rx_bd_haddr_hi = 0;
+ rxbd->rx_bd_haddr_lo = (u64) bp->rx_desc_mapping & 0xffffffff;
+
+ val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
+ val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
+ val |= 0x02 << 8;
+ CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_CTX_TYPE, val);
+
+ /* Etherboot doesn't use memory above 4GB, so this is always 0 */
+ CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_HI, 0);
+
+ val = bp->rx_desc_mapping & 0xffffffff;
+ CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_LO, val);
+
+ for (i = 0; (int) i < bp->rx_ring_size; i++) {
+ rxbd = &bp->rx_desc_ring[RX_RING_IDX(ring_prod)];
+ rxbd->rx_bd_haddr_hi = 0;
+ rxbd->rx_bd_haddr_lo = virt_to_bus(&bnx2_bss.rx_buf[ring_prod][0]);
+ bp->rx_prod_bseq += bp->rx_buf_use_size;
+ prod = NEXT_RX_BD(prod);
+ ring_prod = RX_RING_IDX(prod);
+ }
+ bp->rx_prod = prod;
+
+ REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, bp->rx_prod);
+
+ REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
+}
+
+static int
+bnx2_reset_nic(struct bnx2 *bp, u32 reset_code)
+{
+ int rc;
+
+ rc = bnx2_reset_chip(bp, reset_code);
+ if (rc) {
+ return rc;
+ }
+
+ bnx2_init_chip(bp);
+ bnx2_init_tx_ring(bp);
+ bnx2_init_rx_ring(bp);
+ return 0;
+}
+
+static int
+bnx2_init_nic(struct bnx2 *bp)
+{
+ int rc;
+
+ if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0)
+ return rc;
+
+ bnx2_init_phy(bp);
+ bnx2_set_link(bp);
+ return 0;
+}
+
+static int
+bnx2_init_board(struct pci_device *pdev, struct nic *nic)
+{
+ unsigned long bnx2reg_base, bnx2reg_len;
+ struct bnx2 *bp = &bnx2;
+ int rc;
+ u32 reg;
+
+ bp->flags = 0;
+ bp->phy_flags = 0;
+
+ /* enable device (incl. PCI PM wakeup), and bus-mastering */
+ adjust_pci_device(pdev);
+
+ nic->ioaddr = pdev->ioaddr & ~3;
+ nic->irqno = 0;
+
+ rc = 0;
+ bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
+ if (bp->pm_cap == 0) {
+ printf("Cannot find power management capability, aborting.\n");
+ rc = -EIO;
+ goto err_out_disable;
+ }
+
+ bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
+ if (bp->pcix_cap == 0) {
+ printf("Cannot find PCIX capability, aborting.\n");
+ rc = -EIO;
+ goto err_out_disable;
+ }
+
+ bp->pdev = pdev;
+ bp->nic = nic;
+
+ bnx2reg_base = pci_bar_start(pdev, PCI_BASE_ADDRESS_0);
+ bnx2reg_len = MB_GET_CID_ADDR(17);
+
+ bp->regview = ioremap(bnx2reg_base, bnx2reg_len);
+
+ if (!bp->regview) {
+ printf("Cannot map register space, aborting.\n");
+ rc = -EIO;
+ goto err_out_disable;
+ }
+
+ /* Configure byte swap and enable write to the reg_window registers.
+ * Rely on CPU to do target byte swapping on big endian systems
+ * The chip's target access swapping will not swap all accesses
+ */
+ pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG,
+ BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
+ BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
+
+ bnx2_set_power_state_0(bp);
+
+ bp->chip_id = REG_RD(bp, BNX2_MISC_ID);
+
+ /* Get bus information. */
+ reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS);
+ if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) {
+ u32 clkreg;
+
+ bp->flags |= PCIX_FLAG;
+
+ clkreg = REG_RD(bp, BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS);
+
+ clkreg &= BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
+ switch (clkreg) {
+ case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
+ bp->bus_speed_mhz = 133;
+ break;
+
+ case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
+ bp->bus_speed_mhz = 100;
+ break;
+
+ case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
+ case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
+ bp->bus_speed_mhz = 66;
+ break;
+
+ case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
+ case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
+ bp->bus_speed_mhz = 50;
+ break;
+
+ case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
+ case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
+ case BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
+ bp->bus_speed_mhz = 33;
+ break;
+ }
+ }
+ else {
+ if (reg & BNX2_PCICFG_MISC_STATUS_M66EN)
+ bp->bus_speed_mhz = 66;
+ else
+ bp->bus_speed_mhz = 33;
+ }
+
+ if (reg & BNX2_PCICFG_MISC_STATUS_32BIT_DET)
+ bp->flags |= PCI_32BIT_FLAG;
+
+ /* 5706A0 may falsely detect SERR and PERR. */
+ if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
+ reg = REG_RD(bp, PCI_COMMAND);
+ reg &= ~(PCI_COMMAND_SERR | PCI_COMMAND_PARITY);
+ REG_WR(bp, PCI_COMMAND, reg);
+ }
+ else if ((CHIP_ID(bp) == CHIP_ID_5706_A1) &&
+ !(bp->flags & PCIX_FLAG)) {
+
+ printf("5706 A1 can only be used in a PCIX bus, aborting.\n");
+ goto err_out_disable;
+ }
+
+ bnx2_init_nvram(bp);
+
+ reg = REG_RD_IND(bp, BNX2_SHM_HDR_SIGNATURE);
+
+ if ((reg & BNX2_SHM_HDR_SIGNATURE_SIG_MASK) ==
+ BNX2_SHM_HDR_SIGNATURE_SIG)
+ bp->shmem_base = REG_RD_IND(bp, BNX2_SHM_HDR_ADDR_0);
+ else
+ bp->shmem_base = HOST_VIEW_SHMEM_BASE;
+
+ /* Get the permanent MAC address. First we need to make sure the
+ * firmware is actually running.
+ */
+ reg = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_SIGNATURE);
+
+ if ((reg & BNX2_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
+ BNX2_DEV_INFO_SIGNATURE_MAGIC) {
+ printf("Firmware not running, aborting.\n");
+ rc = -ENODEV;
+ goto err_out_disable;
+ }
+
+ bp->fw_ver = REG_RD_IND(bp, bp->shmem_base + BNX2_DEV_INFO_BC_REV);
+
+ reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_UPPER);
+ bp->mac_addr[0] = (u8) (reg >> 8);
+ bp->mac_addr[1] = (u8) reg;
+
+ reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_MAC_LOWER);
+ bp->mac_addr[2] = (u8) (reg >> 24);
+ bp->mac_addr[3] = (u8) (reg >> 16);
+ bp->mac_addr[4] = (u8) (reg >> 8);
+ bp->mac_addr[5] = (u8) reg;
+
+ bp->tx_ring_size = MAX_TX_DESC_CNT;
+ bp->rx_ring_size = RX_BUF_CNT;
+ bp->rx_max_ring_idx = MAX_RX_DESC_CNT;
+
+ bp->rx_offset = RX_OFFSET;
+
+ bp->tx_quick_cons_trip_int = 20;
+ bp->tx_quick_cons_trip = 20;
+ bp->tx_ticks_int = 80;
+ bp->tx_ticks = 80;
+
+ bp->rx_quick_cons_trip_int = 6;
+ bp->rx_quick_cons_trip = 6;
+ bp->rx_ticks_int = 18;
+ bp->rx_ticks = 18;
+
+ bp->stats_ticks = 1000000 & 0xffff00;
+
+ bp->phy_addr = 1;
+
+ /* No need for WOL support in Etherboot */
+ bp->flags |= NO_WOL_FLAG;
+
+ /* Disable WOL support if we are running on a SERDES chip. */
+ if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT) {
+ bp->phy_flags |= PHY_SERDES_FLAG;
+ if (CHIP_NUM(bp) == CHIP_NUM_5708) {
+ bp->phy_addr = 2;
+ reg = REG_RD_IND(bp, bp->shmem_base +
+ BNX2_SHARED_HW_CFG_CONFIG);
+ if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
+ bp->phy_flags |= PHY_2_5G_CAPABLE_FLAG;
+ }
+ }
+
+ if (CHIP_ID(bp) == CHIP_ID_5706_A0) {
+ bp->tx_quick_cons_trip_int =
+ bp->tx_quick_cons_trip;
+ bp->tx_ticks_int = bp->tx_ticks;
+ bp->rx_quick_cons_trip_int =
+ bp->rx_quick_cons_trip;
+ bp->rx_ticks_int = bp->rx_ticks;
+ bp->comp_prod_trip_int = bp->comp_prod_trip;
+ bp->com_ticks_int = bp->com_ticks;
+ bp->cmd_ticks_int = bp->cmd_ticks;
+ }
+
+ bp->autoneg = AUTONEG_SPEED | AUTONEG_FLOW_CTRL;
+ bp->req_line_speed = 0;
+ if (bp->phy_flags & PHY_SERDES_FLAG) {
+ bp->advertising = ETHTOOL_ALL_FIBRE_SPEED | ADVERTISED_Autoneg;
+
+ reg = REG_RD_IND(bp, bp->shmem_base + BNX2_PORT_HW_CFG_CONFIG);
+ reg &= BNX2_PORT_HW_CFG_CFG_DFLT_LINK_MASK;
+ if (reg == BNX2_PORT_HW_CFG_CFG_DFLT_LINK_1G) {
+ bp->autoneg = 0;
+ bp->req_line_speed = bp->line_speed = SPEED_1000;
+ bp->req_duplex = DUPLEX_FULL;
+ }
+ }
+ else {
+ bp->advertising = ETHTOOL_ALL_COPPER_SPEED | ADVERTISED_Autoneg;
+ }
+
+ bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
+
+ /* Disable driver heartbeat checking */
+ REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_PULSE_MB,
+ BNX2_DRV_MSG_DATA_PULSE_CODE_ALWAYS_ALIVE);
+ REG_RD_IND(bp, bp->shmem_base + BNX2_DRV_PULSE_MB);
+
+ return 0;
+
+err_out_disable:
+ bnx2_disable(nic);
+
+ return rc;
+}
+
+static void
+bnx2_transmit(struct nic *nic, const char *dst_addr,
+ unsigned int type, unsigned int size, const char *packet)
+{
+ /* Sometimes the nic will be behind by a frame. Using two transmit
+ * buffers prevents us from timing out in that case.
+ */
+ static struct eth_frame {
+ uint8_t dst_addr[ETH_ALEN];
+ uint8_t src_addr[ETH_ALEN];
+ uint16_t type;
+ uint8_t data [ETH_FRAME_LEN - ETH_HLEN];
+ } frame[2];
+ static int frame_idx = 0;
+
+ /* send the packet to destination */
+ struct tx_bd *txbd;
+ struct bnx2 *bp = &bnx2;
+ u16 prod, ring_prod;
+ u16 hw_cons;
+ int i = 0;
+
+ prod = bp->tx_prod;
+ ring_prod = TX_RING_IDX(prod);
+ hw_cons = bp->status_blk->status_tx_quick_consumer_index0;
+ if ((hw_cons & MAX_TX_DESC_CNT) == MAX_TX_DESC_CNT) {
+ hw_cons++;
+ }
+
+ while((hw_cons != prod) && (hw_cons != (PREV_TX_BD(prod)))) {
+ mdelay(10); /* give the nic a chance */
+ //poll_interruptions();
+ if (++i > 500) { /* timeout 5s for transmit */
+ printf("transmit timed out\n");
+ bnx2_disable(bp->nic);
+ bnx2_init_board(bp->pdev, bp->nic);
+ return;
+ }
+ }
+ if (i != 0) {
+ printf("#");
+ }
+
+ /* Copy the packet to the our local buffer */
+ memcpy(&frame[frame_idx].dst_addr, dst_addr, ETH_ALEN);
+ memcpy(&frame[frame_idx].src_addr, nic->node_addr, ETH_ALEN);
+ frame[frame_idx].type = htons(type);
+ memset(&frame[frame_idx].data, 0, sizeof(frame[frame_idx].data));
+ memcpy(&frame[frame_idx].data, packet, size);
+
+ /* Setup the ring buffer entry to transmit */
+ txbd = &bp->tx_desc_ring[ring_prod];
+ txbd->tx_bd_haddr_hi = 0; /* Etherboot runs under 4GB */
+ txbd->tx_bd_haddr_lo = virt_to_bus(&frame[frame_idx]);
+ txbd->tx_bd_mss_nbytes = (size + ETH_HLEN);
+ txbd->tx_bd_vlan_tag_flags = TX_BD_FLAGS_START | TX_BD_FLAGS_END;
+
+ /* Advance to the next entry */
+ prod = NEXT_TX_BD(prod);
+ frame_idx ^= 1;
+
+ bp->tx_prod_bseq += (size + ETH_HLEN);
+
+ REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, prod);
+ REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, bp->tx_prod_bseq);
+
+ wmb();
+
+ bp->tx_prod = prod;
+}
+
+static int
+bnx2_poll_link(struct bnx2 *bp)
+{
+ u32 new_link_state, old_link_state, emac_status;
+
+ new_link_state = bp->status_blk->status_attn_bits &
+ STATUS_ATTN_BITS_LINK_STATE;
+
+ old_link_state = bp->status_blk->status_attn_bits_ack &
+ STATUS_ATTN_BITS_LINK_STATE;
+
+ if (!new_link_state && !old_link_state) {
+ /* For some reason the card doesn't always update the link
+ * status bits properly. Kick the stupid thing and try again.
+ */
+ u32 bmsr;
+
+ bnx2_read_phy(bp, MII_BMSR, &bmsr);
+ bnx2_read_phy(bp, MII_BMSR, &bmsr);
+
+ if ((bp->phy_flags & PHY_SERDES_FLAG) &&
+ (CHIP_NUM(bp) == CHIP_NUM_5706)) {
+ REG_RD(bp, BNX2_EMAC_STATUS);
+ }
+
+ new_link_state = bp->status_blk->status_attn_bits &
+ STATUS_ATTN_BITS_LINK_STATE;
+
+ old_link_state = bp->status_blk->status_attn_bits_ack &
+ STATUS_ATTN_BITS_LINK_STATE;
+
+ /* Okay, for some reason the above doesn't work with some
+ * switches (like HP ProCurve). If the above doesn't work,
+ * check the MAC directly to see if we have a link. Perhaps we
+ * should always check the MAC instead probing the MII.
+ */
+ if (!new_link_state && !old_link_state) {
+ emac_status = REG_RD(bp, BNX2_EMAC_STATUS);
+ if (emac_status & BNX2_EMAC_STATUS_LINK_CHANGE) {
+ /* Acknowledge the link change */
+ REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
+ } else if (emac_status & BNX2_EMAC_STATUS_LINK) {
+ new_link_state = !old_link_state;
+ }
+ }
+
+ }
+
+ if (new_link_state != old_link_state) {
+ if (new_link_state) {
+ REG_WR(bp, BNX2_PCICFG_STATUS_BIT_SET_CMD,
+ STATUS_ATTN_BITS_LINK_STATE);
+ }
+ else {
+ REG_WR(bp, BNX2_PCICFG_STATUS_BIT_CLEAR_CMD,
+ STATUS_ATTN_BITS_LINK_STATE);
+ }
+
+ bnx2_set_link(bp);
+
+ /* This is needed to take care of transient status
+ * during link changes.
+ */
+
+ REG_WR(bp, BNX2_HC_COMMAND,
+ bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
+ REG_RD(bp, BNX2_HC_COMMAND);
+
+ }
+
+ return bp->link_up;
+}
+
+static int
+bnx2_poll(struct nic* nic, int retrieve)
+{
+ struct bnx2 *bp = &bnx2;
+ struct rx_bd *cons_bd, *prod_bd;
+ u16 hw_cons, sw_cons, sw_ring_cons, sw_prod, sw_ring_prod;
+ struct l2_fhdr *rx_hdr;
+ int result = 0;
+ unsigned int len;
+ unsigned char *data;
+ u32 status;
+
+#if 0
+ if ((bp->status_blk->status_idx == bp->last_status_idx) &&
+ (REG_RD(bp, BNX2_PCICFG_MISC_STATUS) &
+ BNX2_PCICFG_MISC_STATUS_INTA_VALUE)) {
+
+ bp->last_status_idx = bp->status_blk->status_idx;
+ REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
+ BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
+ BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
+ bp->last_status_idx);
+ return 0;
+ }
+#endif
+
+ if ((bp->status_blk->status_rx_quick_consumer_index0 != bp->rx_cons) && !retrieve)
+ return 1;
+
+ if (bp->status_blk->status_rx_quick_consumer_index0 != bp->rx_cons) {
+
+ hw_cons = bp->hw_rx_cons = bp->status_blk->status_rx_quick_consumer_index0;
+ if ((hw_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT) {
+ hw_cons++;
+ }
+ sw_cons = bp->rx_cons;
+ sw_prod = bp->rx_prod;
+
+ rmb();
+ if (sw_cons != hw_cons) {
+
+ sw_ring_cons = RX_RING_IDX(sw_cons);
+ sw_ring_prod = RX_RING_IDX(sw_prod);
+
+ data = bus_to_virt(bp->rx_desc_ring[sw_ring_cons].rx_bd_haddr_lo);
+
+ rx_hdr = (struct l2_fhdr *)data;
+ len = rx_hdr->l2_fhdr_pkt_len - 4;
+ if ((len > (ETH_MAX_MTU + ETH_HLEN)) ||
+ ((status = rx_hdr->l2_fhdr_status) &
+ (L2_FHDR_ERRORS_BAD_CRC |
+ L2_FHDR_ERRORS_PHY_DECODE |
+ L2_FHDR_ERRORS_ALIGNMENT |
+ L2_FHDR_ERRORS_TOO_SHORT |
+ L2_FHDR_ERRORS_GIANT_FRAME))) {
+ result = 0;
+ }
+ else
+ {
+ nic->packetlen = len;
+ memcpy(nic->packet, data + bp->rx_offset, len);
+ result = 1;
+ }
+
+ /* Reuse the buffer */
+ bp->rx_prod_bseq += bp->rx_buf_use_size;
+ if (sw_cons != sw_prod) {
+ cons_bd = &bp->rx_desc_ring[sw_ring_cons];
+ prod_bd = &bp->rx_desc_ring[sw_ring_prod];
+ prod_bd->rx_bd_haddr_hi = 0; /* Etherboot runs under 4GB */
+ prod_bd->rx_bd_haddr_lo = cons_bd->rx_bd_haddr_lo;
+ }
+
+ sw_cons = NEXT_RX_BD(sw_cons);
+ sw_prod = NEXT_RX_BD(sw_prod);
+
+ }
+
+ bp->rx_cons = sw_cons;
+ bp->rx_prod = sw_prod;
+
+ REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, bp->rx_prod);
+
+ REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq);
+
+ wmb();
+
+ }
+
+ bnx2_poll_link(bp);
+
+#if 0
+ bp->last_status_idx = bp->status_blk->status_idx;
+ rmb();
+
+ REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
+ BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
+ BNX2_PCICFG_INT_ACK_CMD_MASK_INT |
+ bp->last_status_idx);
+
+ REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
+#endif
+
+ return result;
+}
+
+static void
+bnx2_irq(struct nic *nic __unused, irq_action_t action __unused)
+{
+ switch ( action ) {
+ case DISABLE: break;
+ case ENABLE: break;
+ case FORCE: break;
+ }
+}
+
+static struct nic_operations bnx2_operations = {
+ .connect = dummy_connect,
+ .poll = bnx2_poll,
+ .transmit = bnx2_transmit,
+ .irq = bnx2_irq,
+};
+
+static int
+bnx2_probe(struct nic *nic, struct pci_device *pdev)
+{
+ struct bnx2 *bp = &bnx2;
+ int i, rc;
+
+ memset(bp, 0, sizeof(*bp));
+
+ rc = bnx2_init_board(pdev, nic);
+ if (rc < 0) {
+ return 0;
+ }
+
+ /*
+ nic->disable = bnx2_disable;
+ nic->transmit = bnx2_transmit;
+ nic->poll = bnx2_poll;
+ nic->irq = bnx2_irq;
+ */
+
+ nic->nic_op = &bnx2_operations;
+
+ memcpy(nic->node_addr, bp->mac_addr, ETH_ALEN);
+ printf("Ethernet addr: %s\n", eth_ntoa( nic->node_addr ) );
+ printf("Broadcom NetXtreme II (%c%d) PCI%s %s %dMHz\n",
+ (int) ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
+ (int) ((CHIP_ID(bp) & 0x0ff0) >> 4),
+ ((bp->flags & PCIX_FLAG) ? "-X" : ""),
+ ((bp->flags & PCI_32BIT_FLAG) ? "32-bit" : "64-bit"),
+ bp->bus_speed_mhz);
+
+ bnx2_set_power_state_0(bp);
+ bnx2_disable_int(bp);
+
+ bnx2_alloc_mem(bp);
+
+ rc = bnx2_init_nic(bp);
+ if (rc) {
+ return 0;
+ }
+
+ bnx2_poll_link(bp);
+ for(i = 0; !bp->link_up && (i < VALID_LINK_TIMEOUT*100); i++) {
+ mdelay(1);
+ bnx2_poll_link(bp);
+ }
+#if 1
+ if (!bp->link_up){
+ printf("Valid link not established\n");
+ goto err_out_disable;
+ }
+#endif
+
+ return 1;
+
+err_out_disable:
+ bnx2_disable(nic);
+ return 0;
+}
+
+static struct pci_device_id bnx2_nics[] = {
+ PCI_ROM(0x14e4, 0x164a, "bnx2-5706", "Broadcom NetXtreme II BCM5706", 0),
+ PCI_ROM(0x14e4, 0x164c, "bnx2-5708", "Broadcom NetXtreme II BCM5708", 0),
+ PCI_ROM(0x14e4, 0x16aa, "bnx2-5706S", "Broadcom NetXtreme II BCM5706S", 0),
+ PCI_ROM(0x14e4, 0x16ac, "bnx2-5708S", "Broadcom NetXtreme II BCM5708S", 0),
+};
+
+PCI_DRIVER ( bnx2_driver, bnx2_nics, PCI_NO_CLASS );
+
+DRIVER ( "BNX2", nic_driver, pci_driver, bnx2_driver, bnx2_probe, bnx2_disable );
+
+/*
+static struct pci_driver bnx2_driver __pci_driver = {
+ .type = NIC_DRIVER,
+ .name = "BNX2",
+ .probe = bnx2_probe,
+ .ids = bnx2_nics,
+ .id_count = sizeof(bnx2_nics)/sizeof(bnx2_nics[0]),
+ .class = 0,
+};
+*/
Code Review / kvmfornfv.git / blobdiff