mirror of
https://github.com/torvalds/linux.git
synced 2024-12-26 21:02:19 +00:00
c56f5f1de3
Add SGPIO support to Marvell 94xx. Signed-off-by: Wilfried Weissmann <Wilfried.Weissmann@gmx.at> Reviewed-by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
350 lines
11 KiB
C
350 lines
11 KiB
C
/*
|
|
* 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 host_registers {
|
|
MVS_HST_CHIP_CONFIG = 0x10104, /* chip configuration */
|
|
};
|
|
|
|
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));
|
|
|
|
enum sgpio_registers {
|
|
MVS_SGPIO_HOST_OFFSET = 0x100, /* offset between hosts */
|
|
|
|
MVS_SGPIO_CFG0 = 0xc200,
|
|
MVS_SGPIO_CFG0_ENABLE = (1 << 0), /* enable pins */
|
|
MVS_SGPIO_CFG0_BLINKB = (1 << 1), /* blink generators */
|
|
MVS_SGPIO_CFG0_BLINKA = (1 << 2),
|
|
MVS_SGPIO_CFG0_INVSCLK = (1 << 3), /* invert signal? */
|
|
MVS_SGPIO_CFG0_INVSLOAD = (1 << 4),
|
|
MVS_SGPIO_CFG0_INVSDOUT = (1 << 5),
|
|
MVS_SGPIO_CFG0_SLOAD_FALLEDGE = (1 << 6), /* rise/fall edge? */
|
|
MVS_SGPIO_CFG0_SDOUT_FALLEDGE = (1 << 7),
|
|
MVS_SGPIO_CFG0_SDIN_RISEEDGE = (1 << 8),
|
|
MVS_SGPIO_CFG0_MAN_BITLEN_SHIFT = 18, /* bits/frame manual mode */
|
|
MVS_SGPIO_CFG0_AUT_BITLEN_SHIFT = 24, /* bits/frame auto mode */
|
|
|
|
MVS_SGPIO_CFG1 = 0xc204, /* blink timing register */
|
|
MVS_SGPIO_CFG1_LOWA_SHIFT = 0, /* A off time */
|
|
MVS_SGPIO_CFG1_HIA_SHIFT = 4, /* A on time */
|
|
MVS_SGPIO_CFG1_LOWB_SHIFT = 8, /* B off time */
|
|
MVS_SGPIO_CFG1_HIB_SHIFT = 12, /* B on time */
|
|
MVS_SGPIO_CFG1_MAXACTON_SHIFT = 16, /* max activity on time */
|
|
|
|
/* force activity off time */
|
|
MVS_SGPIO_CFG1_FORCEACTOFF_SHIFT = 20,
|
|
/* stretch activity on time */
|
|
MVS_SGPIO_CFG1_STRCHACTON_SHIFT = 24,
|
|
/* stretch activiity off time */
|
|
MVS_SGPIO_CFG1_STRCHACTOFF_SHIFT = 28,
|
|
|
|
|
|
MVS_SGPIO_CFG2 = 0xc208, /* clock speed register */
|
|
MVS_SGPIO_CFG2_CLK_SHIFT = 0,
|
|
MVS_SGPIO_CFG2_BLINK_SHIFT = 20,
|
|
|
|
MVS_SGPIO_CTRL = 0xc20c, /* SDOUT/SDIN mode control */
|
|
MVS_SGPIO_CTRL_SDOUT_AUTO = 2,
|
|
MVS_SGPIO_CTRL_SDOUT_SHIFT = 2,
|
|
|
|
MVS_SGPIO_DSRC = 0xc220, /* map ODn bits to drives */
|
|
|
|
MVS_SGPIO_DCTRL = 0xc238,
|
|
MVS_SGPIO_DCTRL_ERR_SHIFT = 0,
|
|
MVS_SGPIO_DCTRL_LOC_SHIFT = 3,
|
|
MVS_SGPIO_DCTRL_ACT_SHIFT = 5,
|
|
};
|
|
|
|
enum sgpio_led_status {
|
|
LED_OFF = 0,
|
|
LED_ON = 1,
|
|
LED_BLINKA = 2,
|
|
LED_BLINKA_INV = 3,
|
|
LED_BLINKA_SOF = 4,
|
|
LED_BLINKA_EOF = 5,
|
|
LED_BLINKB = 6,
|
|
LED_BLINKB_INV = 7,
|
|
};
|
|
|
|
#define DEFAULT_SGPIO_BITS ((LED_BLINKA_SOF << \
|
|
MVS_SGPIO_DCTRL_ACT_SHIFT) << (8 * 3) | \
|
|
(LED_BLINKA_SOF << \
|
|
MVS_SGPIO_DCTRL_ACT_SHIFT) << (8 * 2) | \
|
|
(LED_BLINKA_SOF << \
|
|
MVS_SGPIO_DCTRL_ACT_SHIFT) << (8 * 1) | \
|
|
(LED_BLINKA_SOF << \
|
|
MVS_SGPIO_DCTRL_ACT_SHIFT) << (8 * 0))
|
|
|
|
/*
|
|
* 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
|
|
|