Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / scsi / mvsas / mv_94xx.h
diff --git a/kernel/drivers/scsi/mvsas/mv_94xx.h b/kernel/drivers/scsi/mvsas/mv_94xx.h
new file mode 100644 (file)
index 0000000..14e1974
--- /dev/null
@@ -0,0 +1,278 @@
+/*
+ * Marvell 88SE94xx hardware specific head file
+ *
+ * Copyright 2007 Red Hat, Inc.
+ * Copyright 2008 Marvell. <kewei@marvell.com>
+ * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
+ *
+ * This file is licensed under GPLv2.
+ *
+ * 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; version 2 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+*/
+
+#ifndef _MVS94XX_REG_H_
+#define _MVS94XX_REG_H_
+
+#include <linux/types.h>
+
+#define MAX_LINK_RATE          SAS_LINK_RATE_6_0_GBPS
+
+enum VANIR_REVISION_ID {
+       VANIR_A0_REV            = 0xA0,
+       VANIR_B0_REV            = 0x01,
+       VANIR_C0_REV            = 0x02,
+       VANIR_C1_REV            = 0x03,
+       VANIR_C2_REV            = 0xC2,
+};
+
+enum hw_registers {
+       MVS_GBL_CTL             = 0x04,  /* global control */
+       MVS_GBL_INT_STAT        = 0x00,  /* global irq status */
+       MVS_GBL_PI              = 0x0C,  /* ports implemented bitmask */
+
+       MVS_PHY_CTL             = 0x40,  /* SOC PHY Control */
+       MVS_PORTS_IMP           = 0x9C,  /* SOC Port Implemented */
+
+       MVS_GBL_PORT_TYPE       = 0xa0,  /* port type */
+
+       MVS_CTL                 = 0x100, /* SAS/SATA port configuration */
+       MVS_PCS                 = 0x104, /* SAS/SATA port control/status */
+       MVS_CMD_LIST_LO         = 0x108, /* cmd list addr */
+       MVS_CMD_LIST_HI         = 0x10C,
+       MVS_RX_FIS_LO           = 0x110, /* RX FIS list addr */
+       MVS_RX_FIS_HI           = 0x114,
+       MVS_STP_REG_SET_0       = 0x118, /* STP/SATA Register Set Enable */
+       MVS_STP_REG_SET_1       = 0x11C,
+       MVS_TX_CFG              = 0x120, /* TX configuration */
+       MVS_TX_LO               = 0x124, /* TX (delivery) ring addr */
+       MVS_TX_HI               = 0x128,
+
+       MVS_TX_PROD_IDX         = 0x12C, /* TX producer pointer */
+       MVS_TX_CONS_IDX         = 0x130, /* TX consumer pointer (RO) */
+       MVS_RX_CFG              = 0x134, /* RX configuration */
+       MVS_RX_LO               = 0x138, /* RX (completion) ring addr */
+       MVS_RX_HI               = 0x13C,
+       MVS_RX_CONS_IDX         = 0x140, /* RX consumer pointer (RO) */
+
+       MVS_INT_COAL            = 0x148, /* Int coalescing config */
+       MVS_INT_COAL_TMOUT      = 0x14C, /* Int coalescing timeout */
+       MVS_INT_STAT            = 0x150, /* Central int status */
+       MVS_INT_MASK            = 0x154, /* Central int enable */
+       MVS_INT_STAT_SRS_0      = 0x158, /* SATA register set status */
+       MVS_INT_MASK_SRS_0      = 0x15C,
+       MVS_INT_STAT_SRS_1      = 0x160,
+       MVS_INT_MASK_SRS_1      = 0x164,
+       MVS_NON_NCQ_ERR_0       = 0x168, /* SRS Non-specific NCQ Error */
+       MVS_NON_NCQ_ERR_1       = 0x16C,
+       MVS_CMD_ADDR            = 0x170, /* Command register port (addr) */
+       MVS_CMD_DATA            = 0x174, /* Command register port (data) */
+       MVS_MEM_PARITY_ERR      = 0x178, /* Memory parity error */
+
+                                        /* ports 1-3 follow after this */
+       MVS_P0_INT_STAT         = 0x180, /* port0 interrupt status */
+       MVS_P0_INT_MASK         = 0x184, /* port0 interrupt mask */
+                                        /* ports 5-7 follow after this */
+       MVS_P4_INT_STAT         = 0x1A0, /* Port4 interrupt status */
+       MVS_P4_INT_MASK         = 0x1A4, /* Port4 interrupt enable mask */
+
+                                        /* ports 1-3 follow after this */
+       MVS_P0_SER_CTLSTAT      = 0x1D0, /* port0 serial control/status */
+                                        /* ports 5-7 follow after this */
+       MVS_P4_SER_CTLSTAT      = 0x1E0, /* port4 serial control/status */
+
+                                        /* ports 1-3 follow after this */
+       MVS_P0_CFG_ADDR         = 0x200, /* port0 phy register address */
+       MVS_P0_CFG_DATA         = 0x204, /* port0 phy register data */
+                                        /* ports 5-7 follow after this */
+       MVS_P4_CFG_ADDR         = 0x220, /* Port4 config address */
+       MVS_P4_CFG_DATA         = 0x224, /* Port4 config data */
+
+                                        /* phys 1-3 follow after this */
+       MVS_P0_VSR_ADDR         = 0x250, /* phy0 VSR address */
+       MVS_P0_VSR_DATA         = 0x254, /* phy0 VSR data */
+                                        /* phys 1-3 follow after this */
+                                        /* multiplexing */
+       MVS_P4_VSR_ADDR         = 0x250, /* phy4 VSR address */
+       MVS_P4_VSR_DATA         = 0x254, /* phy4 VSR data */
+       MVS_PA_VSR_ADDR         = 0x290, /* All port VSR addr */
+       MVS_PA_VSR_PORT         = 0x294, /* All port VSR data */
+       MVS_COMMAND_ACTIVE      = 0x300,
+};
+
+enum pci_cfg_registers {
+       PCR_PHY_CTL             = 0x40,
+       PCR_PHY_CTL2            = 0x90,
+       PCR_DEV_CTRL            = 0x78,
+       PCR_LINK_STAT           = 0x82,
+};
+
+/*  SAS/SATA Vendor Specific Port Registers */
+enum sas_sata_vsp_regs {
+       VSR_PHY_STAT            = 0x00 * 4, /* Phy Interrupt Status */
+       VSR_PHY_MODE1           = 0x01 * 4, /* phy Interrupt Enable */
+       VSR_PHY_MODE2           = 0x02 * 4, /* Phy Configuration */
+       VSR_PHY_MODE3           = 0x03 * 4, /* Phy Status */
+       VSR_PHY_MODE4           = 0x04 * 4, /* Phy Counter 0 */
+       VSR_PHY_MODE5           = 0x05 * 4, /* Phy Counter 1 */
+       VSR_PHY_MODE6           = 0x06 * 4, /* Event Counter Control */
+       VSR_PHY_MODE7           = 0x07 * 4, /* Event Counter Select */
+       VSR_PHY_MODE8           = 0x08 * 4, /* Event Counter 0 */
+       VSR_PHY_MODE9           = 0x09 * 4, /* Event Counter 1 */
+       VSR_PHY_MODE10          = 0x0A * 4, /* Event Counter 2 */
+       VSR_PHY_MODE11          = 0x0B * 4, /* Event Counter 3 */
+       VSR_PHY_ACT_LED         = 0x0C * 4, /* Activity LED control */
+
+       VSR_PHY_FFE_CONTROL     = 0x10C,
+       VSR_PHY_DFE_UPDATE_CRTL = 0x110,
+       VSR_REF_CLOCK_CRTL      = 0x1A0,
+};
+
+enum chip_register_bits {
+       PHY_MIN_SPP_PHYS_LINK_RATE_MASK = (0x7 << 8),
+       PHY_MAX_SPP_PHYS_LINK_RATE_MASK = (0x7 << 12),
+       PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET = (16),
+       PHY_NEG_SPP_PHYS_LINK_RATE_MASK =
+                       (0x3 << PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET),
+};
+
+enum pci_interrupt_cause {
+       /*  MAIN_IRQ_CAUSE (R10200) Bits*/
+       MVS_IRQ_COM_IN_I2O_IOP0        = (1 << 0),
+       MVS_IRQ_COM_IN_I2O_IOP1        = (1 << 1),
+       MVS_IRQ_COM_IN_I2O_IOP2        = (1 << 2),
+       MVS_IRQ_COM_IN_I2O_IOP3        = (1 << 3),
+       MVS_IRQ_COM_OUT_I2O_HOS0       = (1 << 4),
+       MVS_IRQ_COM_OUT_I2O_HOS1       = (1 << 5),
+       MVS_IRQ_COM_OUT_I2O_HOS2       = (1 << 6),
+       MVS_IRQ_COM_OUT_I2O_HOS3       = (1 << 7),
+       MVS_IRQ_PCIF_TO_CPU_DRBL0      = (1 << 8),
+       MVS_IRQ_PCIF_TO_CPU_DRBL1      = (1 << 9),
+       MVS_IRQ_PCIF_TO_CPU_DRBL2      = (1 << 10),
+       MVS_IRQ_PCIF_TO_CPU_DRBL3      = (1 << 11),
+       MVS_IRQ_PCIF_DRBL0             = (1 << 12),
+       MVS_IRQ_PCIF_DRBL1             = (1 << 13),
+       MVS_IRQ_PCIF_DRBL2             = (1 << 14),
+       MVS_IRQ_PCIF_DRBL3             = (1 << 15),
+       MVS_IRQ_XOR_A                  = (1 << 16),
+       MVS_IRQ_XOR_B                  = (1 << 17),
+       MVS_IRQ_SAS_A                  = (1 << 18),
+       MVS_IRQ_SAS_B                  = (1 << 19),
+       MVS_IRQ_CPU_CNTRL              = (1 << 20),
+       MVS_IRQ_GPIO                   = (1 << 21),
+       MVS_IRQ_UART                   = (1 << 22),
+       MVS_IRQ_SPI                    = (1 << 23),
+       MVS_IRQ_I2C                    = (1 << 24),
+       MVS_IRQ_SGPIO                  = (1 << 25),
+       MVS_IRQ_COM_ERR                = (1 << 29),
+       MVS_IRQ_I2O_ERR                = (1 << 30),
+       MVS_IRQ_PCIE_ERR               = (1 << 31),
+};
+
+union reg_phy_cfg {
+       u32 v;
+       struct {
+               u32 phy_reset:1;
+               u32 sas_support:1;
+               u32 sata_support:1;
+               u32 sata_host_mode:1;
+               /*
+                * bit 2: 6Gbps support
+                * bit 1: 3Gbps support
+                * bit 0: 1.5Gbps support
+                */
+               u32 speed_support:3;
+               u32 snw_3_support:1;
+               u32 tx_lnk_parity:1;
+               /*
+                * bit 5: G1 (1.5Gbps) Without SSC
+                * bit 4: G1 (1.5Gbps) with SSC
+                * bit 3: G2 (3.0Gbps) Without SSC
+                * bit 2: G2 (3.0Gbps) with SSC
+                * bit 1: G3 (6.0Gbps) without SSC
+                * bit 0: G3 (6.0Gbps) with SSC
+                */
+               u32 tx_spt_phs_lnk_rate:6;
+               /* 8h: 1.5Gbps 9h: 3Gbps Ah: 6Gbps */
+               u32 tx_lgcl_lnk_rate:4;
+               u32 tx_ssc_type:1;
+               u32 sata_spin_up_spt:1;
+               u32 sata_spin_up_en:1;
+               u32 bypass_oob:1;
+               u32 disable_phy:1;
+               u32 rsvd:8;
+       } u;
+};
+
+#define MAX_SG_ENTRY           255
+
+struct mvs_prd_imt {
+#ifndef __BIG_ENDIAN
+       __le32                  len:22;
+       u8                      _r_a:2;
+       u8                      misc_ctl:4;
+       u8                      inter_sel:4;
+#else
+       u32                     inter_sel:4;
+       u32                     misc_ctl:4;
+       u32                     _r_a:2;
+       u32                     len:22;
+#endif
+};
+
+struct mvs_prd {
+       /* 64-bit buffer address */
+       __le64                  addr;
+       /* 22-bit length */
+       __le32                  im_len;
+} __attribute__ ((packed));
+
+/*
+ * these registers are accessed through port vendor
+ * specific address/data registers
+ */
+enum sas_sata_phy_regs {
+       GENERATION_1_SETTING            = 0x118,
+       GENERATION_1_2_SETTING          = 0x11C,
+       GENERATION_2_3_SETTING          = 0x120,
+       GENERATION_3_4_SETTING          = 0x124,
+};
+
+#define SPI_CTRL_REG_94XX              0xc800
+#define SPI_ADDR_REG_94XX              0xc804
+#define SPI_WR_DATA_REG_94XX         0xc808
+#define SPI_RD_DATA_REG_94XX           0xc80c
+#define SPI_CTRL_READ_94XX             (1U << 2)
+#define SPI_ADDR_VLD_94XX              (1U << 1)
+#define SPI_CTRL_SpiStart_94XX         (1U << 0)
+
+static inline int
+mv_ffc64(u64 v)
+{
+       u64 x = ~v;
+       return x ? __ffs64(x) : -1;
+}
+
+#define r_reg_set_enable(i) \
+       (((i) > 31) ? mr32(MVS_STP_REG_SET_1) : \
+       mr32(MVS_STP_REG_SET_0))
+
+#define w_reg_set_enable(i, tmp) \
+       (((i) > 31) ? mw32(MVS_STP_REG_SET_1, tmp) : \
+       mw32(MVS_STP_REG_SET_0, tmp))
+
+extern const struct mvs_dispatch mvs_94xx_dispatch;
+#endif
+