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kernel_linux
提交 fbf0e134 编写于 作者: L Linus Torvalds
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Merge branch 'upstream-fixes' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev

上级 b7fd1edd a2c91a88
隐藏空白更改
内联 并排
Showing with 898 addition and 198 deletion
drivers/scsi/Kconfig
浏览文件 @ fbf0e134
......@@ -497,7 +497,7 @@ config SCSI_ATA_PIIX
If unsure, say N.
config SCSI_SATA_MV
tristate "Marvell SATA support"
tristate "Marvell SATA support (HIGHLY EXPERIMENTAL)"
depends on SCSI_SATA && PCI && EXPERIMENTAL
help
This option enables support for the Marvell Serial ATA family.
......
drivers/scsi/ahci.c
浏览文件 @ fbf0e134
......@@ -48,7 +48,7 @@
#include <asm/io.h>
#define DRV_NAME "ahci"
#define DRV_VERSION "1.01"
#define DRV_VERSION "1.2"
enum {
......@@ -558,23 +558,25 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc)
pp->cmd_slot[0].opts |= cpu_to_le32(n_elem << 16);
}
static void ahci_intr_error(struct ata_port *ap, u32 irq_stat)
static void ahci_restart_port(struct ata_port *ap, u32 irq_stat)
{
void __iomem *mmio = ap->host_set->mmio_base;
void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
u32 tmp;
int work;
printk(KERN_WARNING "ata%u: port reset, "
"p_is %x is %x pis %x cmd %x tf %x ss %x se %x\n",
ap->id,
irq_stat,
readl(mmio + HOST_IRQ_STAT),
readl(port_mmio + PORT_IRQ_STAT),
readl(port_mmio + PORT_CMD),
readl(port_mmio + PORT_TFDATA),
readl(port_mmio + PORT_SCR_STAT),
readl(port_mmio + PORT_SCR_ERR));
if ((ap->device[0].class != ATA_DEV_ATAPI) ||
((irq_stat & PORT_IRQ_TF_ERR) == 0))
printk(KERN_WARNING "ata%u: port reset, "
"p_is %x is %x pis %x cmd %x tf %x ss %x se %x\n",
ap->id,
irq_stat,
readl(mmio + HOST_IRQ_STAT),
readl(port_mmio + PORT_IRQ_STAT),
readl(port_mmio + PORT_CMD),
readl(port_mmio + PORT_TFDATA),
readl(port_mmio + PORT_SCR_STAT),
readl(port_mmio + PORT_SCR_ERR));
/* stop DMA */
tmp = readl(port_mmio + PORT_CMD);
......@@ -632,7 +634,7 @@ static void ahci_eng_timeout(struct ata_port *ap)
printk(KERN_ERR "ata%u: BUG: timeout without command\n",
ap->id);
} else {
ahci_intr_error(ap, readl(port_mmio + PORT_IRQ_STAT));
ahci_restart_port(ap, readl(port_mmio + PORT_IRQ_STAT));
/* hack alert! We cannot use the supplied completion
* function from inside the ->eh_strategy_handler() thread.
......@@ -677,7 +679,7 @@ static inline int ahci_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc)
err_mask = AC_ERR_HOST_BUS;
/* command processing has stopped due to error; restart */
ahci_intr_error(ap, status);
ahci_restart_port(ap, status);
if (qc)
ata_qc_complete(qc, err_mask);
......
drivers/scsi/ata_piix.c
浏览文件 @ fbf0e134
......@@ -50,7 +50,7 @@
#include <linux/libata.h>
#define DRV_NAME "ata_piix"
#define DRV_VERSION "1.04"
#define DRV_VERSION "1.05"
enum {
PIIX_IOCFG = 0x54, /* IDE I/O configuration register */
......
drivers/scsi/libata-core.c
浏览文件 @ fbf0e134
......@@ -1046,6 +1046,30 @@ static unsigned int ata_pio_modes(const struct ata_device *adev)
return modes;
}
static int ata_qc_wait_err(struct ata_queued_cmd *qc,
struct completion *wait)
{
int rc = 0;
if (wait_for_completion_timeout(wait, 30 * HZ) < 1) {
/* timeout handling */
unsigned int err_mask = ac_err_mask(ata_chk_status(qc->ap));
if (!err_mask) {
printk(KERN_WARNING "ata%u: slow completion (cmd %x)\n",
qc->ap->id, qc->tf.command);
} else {
printk(KERN_WARNING "ata%u: qc timeout (cmd %x)\n",
qc->ap->id, qc->tf.command);
rc = -EIO;
}
ata_qc_complete(qc, err_mask);
}
return rc;
}
/**
* ata_dev_identify - obtain IDENTIFY x DEVICE page
* @ap: port on which device we wish to probe resides
......@@ -1125,7 +1149,7 @@ static void ata_dev_identify(struct ata_port *ap, unsigned int device)
if (rc)
goto err_out;
else
wait_for_completion(&wait);
ata_qc_wait_err(qc, &wait);
spin_lock_irqsave(&ap->host_set->lock, flags);
ap->ops->tf_read(ap, &qc->tf);
......@@ -1570,11 +1594,13 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed,
/*
* Find the mode.
*/
*/
if (!(s = ata_timing_find_mode(speed)))
return -EINVAL;
memcpy(t, s, sizeof(*s));
/*
* If the drive is an EIDE drive, it can tell us it needs extended
* PIO/MW_DMA cycle timing.
......@@ -1595,7 +1621,7 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed,
* Convert the timing to bus clock counts.
*/
ata_timing_quantize(s, t, T, UT);
ata_timing_quantize(t, t, T, UT);
/*
* Even in DMA/UDMA modes we still use PIO access for IDENTIFY, S.M.A.R.T
......@@ -2267,7 +2293,7 @@ static void ata_dev_set_xfermode(struct ata_port *ap, struct ata_device *dev)
if (rc)
ata_port_disable(ap);
else
wait_for_completion(&wait);
ata_qc_wait_err(qc, &wait);
DPRINTK("EXIT\n");
}
......@@ -2315,7 +2341,7 @@ static void ata_dev_reread_id(struct ata_port *ap, struct ata_device *dev)
if (rc)
goto err_out;
wait_for_completion(&wait);
ata_qc_wait_err(qc, &wait);
swap_buf_le16(dev->id, ATA_ID_WORDS);
......@@ -2371,7 +2397,7 @@ static void ata_dev_init_params(struct ata_port *ap, struct ata_device *dev)
if (rc)
ata_port_disable(ap);
else
wait_for_completion(&wait);
ata_qc_wait_err(qc, &wait);
DPRINTK("EXIT\n");
}
......
drivers/scsi/libata.h
浏览文件 @ fbf0e134
......@@ -29,7 +29,7 @@
#define __LIBATA_H__
#define DRV_NAME "libata"
#define DRV_VERSION "1.12" /* must be exactly four chars */
#define DRV_VERSION "1.20" /* must be exactly four chars */
struct ata_scsi_args {
u16 *id;
......
drivers/scsi/sata_mv.c
浏览文件 @ fbf0e134
/*
* sata_mv.c - Marvell SATA support
*
* Copyright 2005: EMC Corporation, all rights reserved.
* Copyright 2005: EMC Corporation, all rights reserved.
*
* Please ALWAYS copy linux-ide@vger.kernel.org on emails.
*
......@@ -50,6 +50,9 @@ enum {
MV_PCI_REG_BASE = 0,
MV_IRQ_COAL_REG_BASE = 0x18000, /* 6xxx part only */
MV_SATAHC0_REG_BASE = 0x20000,
MV_FLASH_CTL = 0x1046c,
MV_GPIO_PORT_CTL = 0x104f0,
MV_RESET_CFG = 0x180d8,
MV_PCI_REG_SZ = MV_MAJOR_REG_AREA_SZ,
MV_SATAHC_REG_SZ = MV_MAJOR_REG_AREA_SZ,
......@@ -72,11 +75,6 @@ enum {
MV_SG_TBL_SZ = (16 * MV_MAX_SG_CT),
MV_PORT_PRIV_DMA_SZ = (MV_CRQB_Q_SZ + MV_CRPB_Q_SZ + MV_SG_TBL_SZ),
/* Our DMA boundary is determined by an ePRD being unable to handle
* anything larger than 64KB
*/
MV_DMA_BOUNDARY = 0xffffU,
MV_PORTS_PER_HC = 4,
/* == (port / MV_PORTS_PER_HC) to determine HC from 0-7 port */
MV_PORT_HC_SHIFT = 2,
......@@ -86,16 +84,9 @@ enum {
/* Host Flags */
MV_FLAG_DUAL_HC = (1 << 30), /* two SATA Host Controllers */
MV_FLAG_IRQ_COALESCE = (1 << 29), /* IRQ coalescing capability */
MV_FLAG_GLBL_SFT_RST = (1 << 28), /* Global Soft Reset support */
MV_COMMON_FLAGS = (ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
ATA_FLAG_SATA_RESET | ATA_FLAG_MMIO),
MV_6XXX_FLAGS = (MV_FLAG_IRQ_COALESCE |
MV_FLAG_GLBL_SFT_RST),
chip_504x = 0,
chip_508x = 1,
chip_604x = 2,
chip_608x = 3,
MV_6XXX_FLAGS = MV_FLAG_IRQ_COALESCE,
CRQB_FLAG_READ = (1 << 0),
CRQB_TAG_SHIFT = 1,
......@@ -116,8 +107,19 @@ enum {
PCI_MASTER_EMPTY = (1 << 3),
GLOB_SFT_RST = (1 << 4),
PCI_IRQ_CAUSE_OFS = 0x1d58,
PCI_IRQ_MASK_OFS = 0x1d5c,
MV_PCI_MODE = 0xd00,
MV_PCI_EXP_ROM_BAR_CTL = 0xd2c,
MV_PCI_DISC_TIMER = 0xd04,
MV_PCI_MSI_TRIGGER = 0xc38,
MV_PCI_SERR_MASK = 0xc28,
MV_PCI_XBAR_TMOUT = 0x1d04,
MV_PCI_ERR_LOW_ADDRESS = 0x1d40,
MV_PCI_ERR_HIGH_ADDRESS = 0x1d44,
MV_PCI_ERR_ATTRIBUTE = 0x1d48,
MV_PCI_ERR_COMMAND = 0x1d50,
PCI_IRQ_CAUSE_OFS = 0x1d58,
PCI_IRQ_MASK_OFS = 0x1d5c,
PCI_UNMASK_ALL_IRQS = 0x7fffff, /* bits 22-0 */
HC_MAIN_IRQ_CAUSE_OFS = 0x1d60,
......@@ -134,7 +136,7 @@ enum {
SELF_INT = (1 << 23),
TWSI_INT = (1 << 24),
HC_MAIN_RSVD = (0x7f << 25), /* bits 31-25 */
HC_MAIN_MASKED_IRQS = (TRAN_LO_DONE | TRAN_HI_DONE |
HC_MAIN_MASKED_IRQS = (TRAN_LO_DONE | TRAN_HI_DONE |
PORTS_0_7_COAL_DONE | GPIO_INT | TWSI_INT |
HC_MAIN_RSVD),
......@@ -153,6 +155,15 @@ enum {
/* SATA registers */
SATA_STATUS_OFS = 0x300, /* ctrl, err regs follow status */
SATA_ACTIVE_OFS = 0x350,
PHY_MODE3 = 0x310,
PHY_MODE4 = 0x314,
PHY_MODE2 = 0x330,
MV5_PHY_MODE = 0x74,
MV5_LT_MODE = 0x30,
MV5_PHY_CTL = 0x0C,
SATA_INTERFACE_CTL = 0x050,
MV_M2_PREAMP_MASK = 0x7e0,
/* Port registers */
EDMA_CFG_OFS = 0,
......@@ -182,17 +193,16 @@ enum {
EDMA_ERR_LNK_CTRL_TX = (0x1f << 21),
EDMA_ERR_LNK_DATA_TX = (0x1f << 26),
EDMA_ERR_TRANS_PROTO = (1 << 31),
EDMA_ERR_FATAL = (EDMA_ERR_D_PAR | EDMA_ERR_PRD_PAR |
EDMA_ERR_FATAL = (EDMA_ERR_D_PAR | EDMA_ERR_PRD_PAR |
EDMA_ERR_DEV_DCON | EDMA_ERR_CRBQ_PAR |
EDMA_ERR_CRPB_PAR | EDMA_ERR_INTRL_PAR |
EDMA_ERR_IORDY | EDMA_ERR_LNK_CTRL_RX_2 |
EDMA_ERR_IORDY | EDMA_ERR_LNK_CTRL_RX_2 |
EDMA_ERR_LNK_DATA_RX |
EDMA_ERR_LNK_DATA_TX |
EDMA_ERR_LNK_DATA_TX |
EDMA_ERR_TRANS_PROTO),
EDMA_REQ_Q_BASE_HI_OFS = 0x10,
EDMA_REQ_Q_IN_PTR_OFS = 0x14, /* also contains BASE_LO */
EDMA_REQ_Q_BASE_LO_MASK = 0xfffffc00U,
EDMA_REQ_Q_OUT_PTR_OFS = 0x18,
EDMA_REQ_Q_PTR_SHIFT = 5,
......@@ -200,7 +210,6 @@ enum {
EDMA_RSP_Q_BASE_HI_OFS = 0x1c,
EDMA_RSP_Q_IN_PTR_OFS = 0x20,
EDMA_RSP_Q_OUT_PTR_OFS = 0x24, /* also contains BASE_LO */
EDMA_RSP_Q_BASE_LO_MASK = 0xffffff00U,
EDMA_RSP_Q_PTR_SHIFT = 3,
EDMA_CMD_OFS = 0x28,
......@@ -208,14 +217,44 @@ enum {
EDMA_DS = (1 << 1),
ATA_RST = (1 << 2),
EDMA_IORDY_TMOUT = 0x34,
EDMA_ARB_CFG = 0x38,
/* Host private flags (hp_flags) */
MV_HP_FLAG_MSI = (1 << 0),
MV_HP_ERRATA_50XXB0 = (1 << 1),
MV_HP_ERRATA_50XXB2 = (1 << 2),
MV_HP_ERRATA_60X1B2 = (1 << 3),
MV_HP_ERRATA_60X1C0 = (1 << 4),
MV_HP_50XX = (1 << 5),
/* Port private flags (pp_flags) */
MV_PP_FLAG_EDMA_EN = (1 << 0),
MV_PP_FLAG_EDMA_DS_ACT = (1 << 1),
};
#define IS_50XX(hpriv) ((hpriv)->hp_flags & MV_HP_50XX)
#define IS_60XX(hpriv) (((hpriv)->hp_flags & MV_HP_50XX) == 0)
enum {
/* Our DMA boundary is determined by an ePRD being unable to handle
* anything larger than 64KB
*/
MV_DMA_BOUNDARY = 0xffffU,
EDMA_REQ_Q_BASE_LO_MASK = 0xfffffc00U,
EDMA_RSP_Q_BASE_LO_MASK = 0xffffff00U,
};
enum chip_type {
chip_504x,
chip_508x,
chip_5080,
chip_604x,
chip_608x,
};
/* Command ReQuest Block: 32B */
struct mv_crqb {
u32 sg_addr;
......@@ -252,14 +291,37 @@ struct mv_port_priv {
u32 pp_flags;
};
struct mv_port_signal {
u32 amps;
u32 pre;
};
struct mv_host_priv;
struct mv_hw_ops {
void (*phy_errata)(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int port);
void (*enable_leds)(struct mv_host_priv *hpriv, void __iomem *mmio);
void (*read_preamp)(struct mv_host_priv *hpriv, int idx,
void __iomem *mmio);
int (*reset_hc)(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int n_hc);
void (*reset_flash)(struct mv_host_priv *hpriv, void __iomem *mmio);
void (*reset_bus)(struct pci_dev *pdev, void __iomem *mmio);
};
struct mv_host_priv {
u32 hp_flags;
struct mv_port_signal signal[8];
const struct mv_hw_ops *ops;
};
static void mv_irq_clear(struct ata_port *ap);
static u32 mv_scr_read(struct ata_port *ap, unsigned int sc_reg_in);
static void mv_scr_write(struct ata_port *ap, unsigned int sc_reg_in, u32 val);
static u32 mv5_scr_read(struct ata_port *ap, unsigned int sc_reg_in);
static void mv5_scr_write(struct ata_port *ap, unsigned int sc_reg_in, u32 val);
static void mv_phy_reset(struct ata_port *ap);
static void __mv_phy_reset(struct ata_port *ap, int can_sleep);
static void mv_host_stop(struct ata_host_set *host_set);
static int mv_port_start(struct ata_port *ap);
static void mv_port_stop(struct ata_port *ap);
......@@ -270,6 +332,29 @@ static irqreturn_t mv_interrupt(int irq, void *dev_instance,
static void mv_eng_timeout(struct ata_port *ap);
static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
static void mv5_phy_errata(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int port);
static void mv5_enable_leds(struct mv_host_priv *hpriv, void __iomem *mmio);
static void mv5_read_preamp(struct mv_host_priv *hpriv, int idx,
void __iomem *mmio);
static int mv5_reset_hc(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int n_hc);
static void mv5_reset_flash(struct mv_host_priv *hpriv, void __iomem *mmio);
static void mv5_reset_bus(struct pci_dev *pdev, void __iomem *mmio);
static void mv6_phy_errata(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int port);
static void mv6_enable_leds(struct mv_host_priv *hpriv, void __iomem *mmio);
static void mv6_read_preamp(struct mv_host_priv *hpriv, int idx,
void __iomem *mmio);
static int mv6_reset_hc(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int n_hc);
static void mv6_reset_flash(struct mv_host_priv *hpriv, void __iomem *mmio);
static void mv_reset_pci_bus(struct pci_dev *pdev, void __iomem *mmio);
static void mv_channel_reset(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int port_no);
static void mv_stop_and_reset(struct ata_port *ap);
static struct scsi_host_template mv_sht = {
.module = THIS_MODULE,
.name = DRV_NAME,
......@@ -278,7 +363,7 @@ static struct scsi_host_template mv_sht = {
.eh_strategy_handler = ata_scsi_error,
.can_queue = MV_USE_Q_DEPTH,
.this_id = ATA_SHT_THIS_ID,
.sg_tablesize = MV_MAX_SG_CT,
.sg_tablesize = MV_MAX_SG_CT / 2,
.max_sectors = ATA_MAX_SECTORS,
.cmd_per_lun = ATA_SHT_CMD_PER_LUN,
.emulated = ATA_SHT_EMULATED,
......@@ -290,7 +375,34 @@ static struct scsi_host_template mv_sht = {
.ordered_flush = 1,
};
static const struct ata_port_operations mv_ops = {
static const struct ata_port_operations mv5_ops = {
.port_disable = ata_port_disable,
.tf_load = ata_tf_load,
.tf_read = ata_tf_read,
.check_status = ata_check_status,
.exec_command = ata_exec_command,
.dev_select = ata_std_dev_select,
.phy_reset = mv_phy_reset,
.qc_prep = mv_qc_prep,
.qc_issue = mv_qc_issue,
.eng_timeout = mv_eng_timeout,
.irq_handler = mv_interrupt,
.irq_clear = mv_irq_clear,
.scr_read = mv5_scr_read,
.scr_write = mv5_scr_write,
.port_start = mv_port_start,
.port_stop = mv_port_stop,
.host_stop = mv_host_stop,
};
static const struct ata_port_operations mv6_ops = {
.port_disable = ata_port_disable,
.tf_load = ata_tf_load,
......@@ -322,37 +434,44 @@ static struct ata_port_info mv_port_info[] = {
.sht = &mv_sht,
.host_flags = MV_COMMON_FLAGS,
.pio_mask = 0x1f, /* pio0-4 */
.udma_mask = 0, /* 0x7f (udma0-6 disabled for now) */
.port_ops = &mv_ops,
.udma_mask = 0x7f, /* udma0-6 */
.port_ops = &mv5_ops,
},
{ /* chip_508x */
.sht = &mv_sht,
.host_flags = (MV_COMMON_FLAGS | MV_FLAG_DUAL_HC),
.pio_mask = 0x1f, /* pio0-4 */
.udma_mask = 0, /* 0x7f (udma0-6 disabled for now) */
.port_ops = &mv_ops,
.udma_mask = 0x7f, /* udma0-6 */
.port_ops = &mv5_ops,
},
{ /* chip_5080 */
.sht = &mv_sht,
.host_flags = (MV_COMMON_FLAGS | MV_FLAG_DUAL_HC),
.pio_mask = 0x1f, /* pio0-4 */
.udma_mask = 0x7f, /* udma0-6 */
.port_ops = &mv5_ops,
},
{ /* chip_604x */
.sht = &mv_sht,
.host_flags = (MV_COMMON_FLAGS | MV_6XXX_FLAGS),
.pio_mask = 0x1f, /* pio0-4 */
.udma_mask = 0x7f, /* udma0-6 */
.port_ops = &mv_ops,
.port_ops = &mv6_ops,
},
{ /* chip_608x */
.sht = &mv_sht,
.host_flags = (MV_COMMON_FLAGS | MV_6XXX_FLAGS |
.host_flags = (MV_COMMON_FLAGS | MV_6XXX_FLAGS |
MV_FLAG_DUAL_HC),
.pio_mask = 0x1f, /* pio0-4 */
.udma_mask = 0x7f, /* udma0-6 */
.port_ops = &mv_ops,
.port_ops = &mv6_ops,
},
};
static const struct pci_device_id mv_pci_tbl[] = {
{PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x5040), 0, 0, chip_504x},
{PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x5041), 0, 0, chip_504x},
{PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x5080), 0, 0, chip_508x},
{PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x5080), 0, 0, chip_5080},
{PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x5081), 0, 0, chip_508x},
{PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x6040), 0, 0, chip_604x},
......@@ -371,6 +490,24 @@ static struct pci_driver mv_pci_driver = {
.remove = ata_pci_remove_one,
};
static const struct mv_hw_ops mv5xxx_ops = {
.phy_errata = mv5_phy_errata,
.enable_leds = mv5_enable_leds,
.read_preamp = mv5_read_preamp,
.reset_hc = mv5_reset_hc,
.reset_flash = mv5_reset_flash,
.reset_bus = mv5_reset_bus,
};
static const struct mv_hw_ops mv6xxx_ops = {
.phy_errata = mv6_phy_errata,
.enable_leds = mv6_enable_leds,
.read_preamp = mv6_read_preamp,
.reset_hc = mv6_reset_hc,
.reset_flash = mv6_reset_flash,
.reset_bus = mv_reset_pci_bus,
};
/*
* Functions
*/
......@@ -386,11 +523,27 @@ static inline void __iomem *mv_hc_base(void __iomem *base, unsigned int hc)
return (base + MV_SATAHC0_REG_BASE + (hc * MV_SATAHC_REG_SZ));
}
static inline unsigned int mv_hc_from_port(unsigned int port)
{
return port >> MV_PORT_HC_SHIFT;
}
static inline unsigned int mv_hardport_from_port(unsigned int port)
{
return port & MV_PORT_MASK;
}
static inline void __iomem *mv_hc_base_from_port(void __iomem *base,
unsigned int port)
{
return mv_hc_base(base, mv_hc_from_port(port));
}
static inline void __iomem *mv_port_base(void __iomem *base, unsigned int port)
{
return (mv_hc_base(base, port >> MV_PORT_HC_SHIFT) +
MV_SATAHC_ARBTR_REG_SZ +
((port & MV_PORT_MASK) * MV_PORT_REG_SZ));
return mv_hc_base_from_port(base, port) +
MV_SATAHC_ARBTR_REG_SZ +
(mv_hardport_from_port(port) * MV_PORT_REG_SZ);
}
static inline void __iomem *mv_ap_base(struct ata_port *ap)
......@@ -398,9 +551,9 @@ static inline void __iomem *mv_ap_base(struct ata_port *ap)
return mv_port_base(ap->host_set->mmio_base, ap->port_no);
}
static inline int mv_get_hc_count(unsigned long hp_flags)
static inline int mv_get_hc_count(unsigned long host_flags)
{
return ((hp_flags & MV_FLAG_DUAL_HC) ? 2 : 1);
return ((host_flags & MV_FLAG_DUAL_HC) ? 2 : 1);
}
static void mv_irq_clear(struct ata_port *ap)
......@@ -452,7 +605,7 @@ static void mv_stop_dma(struct ata_port *ap)
} else {
assert(!(EDMA_EN & readl(port_mmio + EDMA_CMD_OFS)));
}
/* now properly wait for the eDMA to stop */
for (i = 1000; i > 0; i--) {
reg = readl(port_mmio + EDMA_CMD_OFS);
......@@ -503,7 +656,7 @@ static void mv_dump_all_regs(void __iomem *mmio_base, int port,
struct pci_dev *pdev)
{
#ifdef ATA_DEBUG
void __iomem *hc_base = mv_hc_base(mmio_base,
void __iomem *hc_base = mv_hc_base(mmio_base,
port >> MV_PORT_HC_SHIFT);
void __iomem *port_base;
int start_port, num_ports, p, start_hc, num_hcs, hc;
......@@ -517,7 +670,7 @@ static void mv_dump_all_regs(void __iomem *mmio_base, int port,
start_port = port;
num_ports = num_hcs = 1;
}
DPRINTK("All registers for port(s) %u-%u:\n", start_port,
DPRINTK("All registers for port(s) %u-%u:\n", start_port,
num_ports > 1 ? num_ports - 1 : start_port);
if (NULL != pdev) {
......@@ -584,70 +737,6 @@ static void mv_scr_write(struct ata_port *ap, unsigned int sc_reg_in, u32 val)
}
}
/**
* mv_global_soft_reset - Perform the 6xxx global soft reset
* @mmio_base: base address of the HBA
*
* This routine only applies to 6xxx parts.
*
* LOCKING:
* Inherited from caller.
*/
static int mv_global_soft_reset(void __iomem *mmio_base)
{
void __iomem *reg = mmio_base + PCI_MAIN_CMD_STS_OFS;
int i, rc = 0;
u32 t;
/* Following procedure defined in PCI "main command and status
* register" table.
*/
t = readl(reg);
writel(t | STOP_PCI_MASTER, reg);
for (i = 0; i < 1000; i++) {
udelay(1);
t = readl(reg);
if (PCI_MASTER_EMPTY & t) {
break;
}
}
if (!(PCI_MASTER_EMPTY & t)) {
printk(KERN_ERR DRV_NAME ": PCI master won't flush\n");
rc = 1;
goto done;
}
/* set reset */
i = 5;
do {
writel(t | GLOB_SFT_RST, reg);
t = readl(reg);
udelay(1);
} while (!(GLOB_SFT_RST & t) && (i-- > 0));
if (!(GLOB_SFT_RST & t)) {
printk(KERN_ERR DRV_NAME ": can't set global reset\n");
rc = 1;
goto done;
}
/* clear reset and *reenable the PCI master* (not mentioned in spec) */
i = 5;
do {
writel(t & ~(GLOB_SFT_RST | STOP_PCI_MASTER), reg);
t = readl(reg);
udelay(1);
} while ((GLOB_SFT_RST & t) && (i-- > 0));
if (GLOB_SFT_RST & t) {
printk(KERN_ERR DRV_NAME ": can't clear global reset\n");
rc = 1;
}
done:
return rc;
}
/**
* mv_host_stop - Host specific cleanup/stop routine.
* @host_set: host data structure
......@@ -701,7 +790,7 @@ static int mv_port_start(struct ata_port *ap)
goto err_out;
memset(pp, 0, sizeof(*pp));
mem = dma_alloc_coherent(dev, MV_PORT_PRIV_DMA_SZ, &mem_dma,
mem = dma_alloc_coherent(dev, MV_PORT_PRIV_DMA_SZ, &mem_dma,
GFP_KERNEL);
if (!mem)
goto err_out_pp;
......@@ -711,7 +800,7 @@ static int mv_port_start(struct ata_port *ap)
if (rc)
goto err_out_priv;
/* First item in chunk of DMA memory:
/* First item in chunk of DMA memory:
* 32-slot command request table (CRQB), 32 bytes each in size
*/
pp->crqb = mem;
......@@ -719,7 +808,7 @@ static int mv_port_start(struct ata_port *ap)
mem += MV_CRQB_Q_SZ;
mem_dma += MV_CRQB_Q_SZ;
/* Second item:
/* Second item:
* 32-slot command response table (CRPB), 8 bytes each in size
*/
pp->crpb = mem;
......@@ -733,18 +822,18 @@ static int mv_port_start(struct ata_port *ap)
pp->sg_tbl = mem;
pp->sg_tbl_dma = mem_dma;
writelfl(EDMA_CFG_Q_DEPTH | EDMA_CFG_RD_BRST_EXT |
writelfl(EDMA_CFG_Q_DEPTH | EDMA_CFG_RD_BRST_EXT |
EDMA_CFG_WR_BUFF_LEN, port_mmio + EDMA_CFG_OFS);
writel((pp->crqb_dma >> 16) >> 16, port_mmio + EDMA_REQ_Q_BASE_HI_OFS);
writelfl(pp->crqb_dma & EDMA_REQ_Q_BASE_LO_MASK,
writelfl(pp->crqb_dma & EDMA_REQ_Q_BASE_LO_MASK,
port_mmio + EDMA_REQ_Q_IN_PTR_OFS);
writelfl(0, port_mmio + EDMA_REQ_Q_OUT_PTR_OFS);
writelfl(0, port_mmio + EDMA_RSP_Q_IN_PTR_OFS);
writel((pp->crpb_dma >> 16) >> 16, port_mmio + EDMA_RSP_Q_BASE_HI_OFS);
writelfl(pp->crpb_dma & EDMA_RSP_Q_BASE_LO_MASK,
writelfl(pp->crpb_dma & EDMA_RSP_Q_BASE_LO_MASK,
port_mmio + EDMA_RSP_Q_OUT_PTR_OFS);
pp->req_producer = pp->rsp_consumer = 0;
......@@ -805,20 +894,30 @@ static void mv_fill_sg(struct ata_queued_cmd *qc)
struct scatterlist *sg;
ata_for_each_sg(sg, qc) {
u32 sg_len;
dma_addr_t addr;
u32 sg_len, len, offset;
addr = sg_dma_address(sg);
sg_len = sg_dma_len(sg);
pp->sg_tbl[i].addr = cpu_to_le32(addr & 0xffffffff);
pp->sg_tbl[i].addr_hi = cpu_to_le32((addr >> 16) >> 16);
assert(0 == (sg_len & ~MV_DMA_BOUNDARY));
pp->sg_tbl[i].flags_size = cpu_to_le32(sg_len);
if (ata_sg_is_last(sg, qc))
pp->sg_tbl[i].flags_size |= cpu_to_le32(EPRD_FLAG_END_OF_TBL);
while (sg_len) {
offset = addr & MV_DMA_BOUNDARY;
len = sg_len;
if ((offset + sg_len) > 0x10000)
len = 0x10000 - offset;
pp->sg_tbl[i].addr = cpu_to_le32(addr & 0xffffffff);
pp->sg_tbl[i].addr_hi = cpu_to_le32((addr >> 16) >> 16);
pp->sg_tbl[i].flags_size = cpu_to_le32(len);
sg_len -= len;
addr += len;
if (!sg_len && ata_sg_is_last(sg, qc))
pp->sg_tbl[i].flags_size |= cpu_to_le32(EPRD_FLAG_END_OF_TBL);
i++;
i++;
}
}
}
......@@ -859,7 +958,7 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
}
/* the req producer index should be the same as we remember it */
assert(((readl(mv_ap_base(qc->ap) + EDMA_REQ_Q_IN_PTR_OFS) >>
assert(((readl(mv_ap_base(qc->ap) + EDMA_REQ_Q_IN_PTR_OFS) >>
EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) ==
pp->req_producer);
......@@ -871,9 +970,9 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
assert(MV_MAX_Q_DEPTH > qc->tag);
flags |= qc->tag << CRQB_TAG_SHIFT;
pp->crqb[pp->req_producer].sg_addr =
pp->crqb[pp->req_producer].sg_addr =
cpu_to_le32(pp->sg_tbl_dma & 0xffffffff);
pp->crqb[pp->req_producer].sg_addr_hi =
pp->crqb[pp->req_producer].sg_addr_hi =
cpu_to_le32((pp->sg_tbl_dma >> 16) >> 16);
pp->crqb[pp->req_producer].ctrl_flags = cpu_to_le16(flags);
......@@ -896,7 +995,7 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
#ifdef LIBATA_NCQ /* FIXME: remove this line when NCQ added */
case ATA_CMD_FPDMA_READ:
case ATA_CMD_FPDMA_WRITE:
mv_crqb_pack_cmd(cw++, tf->hob_feature, ATA_REG_FEATURE, 0);
mv_crqb_pack_cmd(cw++, tf->hob_feature, ATA_REG_FEATURE, 0);
mv_crqb_pack_cmd(cw++, tf->feature, ATA_REG_FEATURE, 0);
break;
#endif /* FIXME: remove this line when NCQ added */
......@@ -962,7 +1061,7 @@ static int mv_qc_issue(struct ata_queued_cmd *qc)
pp->req_producer);
/* until we do queuing, the queue should be empty at this point */
assert(((in_ptr >> EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) ==
((readl(port_mmio + EDMA_REQ_Q_OUT_PTR_OFS) >>
((readl(port_mmio + EDMA_REQ_Q_OUT_PTR_OFS) >>
EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK));
mv_inc_q_index(&pp->req_producer); /* now incr producer index */
......@@ -999,15 +1098,15 @@ static u8 mv_get_crpb_status(struct ata_port *ap)
out_ptr = readl(port_mmio + EDMA_RSP_Q_OUT_PTR_OFS);
/* the response consumer index should be the same as we remember it */
assert(((out_ptr >> EDMA_RSP_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) ==
assert(((out_ptr >> EDMA_RSP_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) ==
pp->rsp_consumer);
/* increment our consumer index... */
pp->rsp_consumer = mv_inc_q_index(&pp->rsp_consumer);
/* and, until we do NCQ, there should only be 1 CRPB waiting */
assert(((readl(port_mmio + EDMA_RSP_Q_IN_PTR_OFS) >>
EDMA_RSP_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) ==
assert(((readl(port_mmio + EDMA_RSP_Q_IN_PTR_OFS) >>
EDMA_RSP_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) ==
pp->rsp_consumer);
/* write out our inc'd consumer index so EDMA knows we're caught up */
......@@ -1055,7 +1154,7 @@ static void mv_err_intr(struct ata_port *ap)
/* check for fatal here and recover if needed */
if (EDMA_ERR_FATAL & edma_err_cause) {
mv_phy_reset(ap);
mv_stop_and_reset(ap);
}
}
......@@ -1120,6 +1219,10 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant,
handled++;
}
if (ap &&
(ap->flags & (ATA_FLAG_PORT_DISABLED | ATA_FLAG_NOINTR)))
continue;
err_mask = ac_err_mask(ata_status);
shift = port << 1; /* (port * 2) */
......@@ -1131,14 +1234,15 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant,
err_mask |= AC_ERR_OTHER;
handled++;
}
if (handled && ap) {
qc = ata_qc_from_tag(ap, ap->active_tag);
if (NULL != qc) {
VPRINTK("port %u IRQ found for qc, "
"ata_status 0x%x\n", port,ata_status);
/* mark qc status appropriately */
ata_qc_complete(qc, err_mask);
if (!(qc->tf.ctl & ATA_NIEN))
ata_qc_complete(qc, err_mask);
}
}
}
......@@ -1146,7 +1250,7 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant,
}
/**
* mv_interrupt -
* mv_interrupt -
* @irq: unused
* @dev_instance: private data; in this case the host structure
* @regs: unused
......@@ -1156,7 +1260,7 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant,
* routine to handle. Also check for PCI errors which are only
* reported here.
*
* LOCKING:
* LOCKING:
* This routine holds the host_set lock while processing pending
* interrupts.
*/
......@@ -1202,8 +1306,422 @@ static irqreturn_t mv_interrupt(int irq, void *dev_instance,
return IRQ_RETVAL(handled);
}
static void __iomem *mv5_phy_base(void __iomem *mmio, unsigned int port)
{
void __iomem *hc_mmio = mv_hc_base_from_port(mmio, port);
unsigned long ofs = (mv_hardport_from_port(port) + 1) * 0x100UL;
return hc_mmio + ofs;
}
static unsigned int mv5_scr_offset(unsigned int sc_reg_in)
{
unsigned int ofs;
switch (sc_reg_in) {
case SCR_STATUS:
case SCR_ERROR:
case SCR_CONTROL:
ofs = sc_reg_in * sizeof(u32);
break;
default:
ofs = 0xffffffffU;
break;
}
return ofs;
}
static u32 mv5_scr_read(struct ata_port *ap, unsigned int sc_reg_in)
{
void __iomem *mmio = mv5_phy_base(ap->host_set->mmio_base, ap->port_no);
unsigned int ofs = mv5_scr_offset(sc_reg_in);
if (ofs != 0xffffffffU)
return readl(mmio + ofs);
else
return (u32) ofs;
}
static void mv5_scr_write(struct ata_port *ap, unsigned int sc_reg_in, u32 val)
{
void __iomem *mmio = mv5_phy_base(ap->host_set->mmio_base, ap->port_no);
unsigned int ofs = mv5_scr_offset(sc_reg_in);
if (ofs != 0xffffffffU)
writelfl(val, mmio + ofs);
}
static void mv5_reset_bus(struct pci_dev *pdev, void __iomem *mmio)
{
u8 rev_id;
int early_5080;
pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
early_5080 = (pdev->device == 0x5080) && (rev_id == 0);
if (!early_5080) {
u32 tmp = readl(mmio + MV_PCI_EXP_ROM_BAR_CTL);
tmp |= (1 << 0);
writel(tmp, mmio + MV_PCI_EXP_ROM_BAR_CTL);
}
mv_reset_pci_bus(pdev, mmio);
}
static void mv5_reset_flash(struct mv_host_priv *hpriv, void __iomem *mmio)
{
writel(0x0fcfffff, mmio + MV_FLASH_CTL);
}
static void mv5_read_preamp(struct mv_host_priv *hpriv, int idx,
void __iomem *mmio)
{
void __iomem *phy_mmio = mv5_phy_base(mmio, idx);
u32 tmp;
tmp = readl(phy_mmio + MV5_PHY_MODE);
hpriv->signal[idx].pre = tmp & 0x1800; /* bits 12:11 */
hpriv->signal[idx].amps = tmp & 0xe0; /* bits 7:5 */
}
static void mv5_enable_leds(struct mv_host_priv *hpriv, void __iomem *mmio)
{
u32 tmp;
writel(0, mmio + MV_GPIO_PORT_CTL);
/* FIXME: handle MV_HP_ERRATA_50XXB2 errata */
tmp = readl(mmio + MV_PCI_EXP_ROM_BAR_CTL);
tmp |= ~(1 << 0);
writel(tmp, mmio + MV_PCI_EXP_ROM_BAR_CTL);
}
static void mv5_phy_errata(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int port)
{
void __iomem *phy_mmio = mv5_phy_base(mmio, port);
const u32 mask = (1<<12) | (1<<11) | (1<<7) | (1<<6) | (1<<5);
u32 tmp;
int fix_apm_sq = (hpriv->hp_flags & MV_HP_ERRATA_50XXB0);
if (fix_apm_sq) {
tmp = readl(phy_mmio + MV5_LT_MODE);
tmp |= (1 << 19);
writel(tmp, phy_mmio + MV5_LT_MODE);
tmp = readl(phy_mmio + MV5_PHY_CTL);
tmp &= ~0x3;
tmp |= 0x1;
writel(tmp, phy_mmio + MV5_PHY_CTL);
}
tmp = readl(phy_mmio + MV5_PHY_MODE);
tmp &= ~mask;
tmp |= hpriv->signal[port].pre;
tmp |= hpriv->signal[port].amps;
writel(tmp, phy_mmio + MV5_PHY_MODE);
}
#undef ZERO
#define ZERO(reg) writel(0, port_mmio + (reg))
static void mv5_reset_hc_port(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int port)
{
void __iomem *port_mmio = mv_port_base(mmio, port);
writelfl(EDMA_DS, port_mmio + EDMA_CMD_OFS);
mv_channel_reset(hpriv, mmio, port);
ZERO(0x028); /* command */
writel(0x11f, port_mmio + EDMA_CFG_OFS);
ZERO(0x004); /* timer */
ZERO(0x008); /* irq err cause */
ZERO(0x00c); /* irq err mask */
ZERO(0x010); /* rq bah */
ZERO(0x014); /* rq inp */
ZERO(0x018); /* rq outp */
ZERO(0x01c); /* respq bah */
ZERO(0x024); /* respq outp */
ZERO(0x020); /* respq inp */
ZERO(0x02c); /* test control */
writel(0xbc, port_mmio + EDMA_IORDY_TMOUT);
}
#undef ZERO
#define ZERO(reg) writel(0, hc_mmio + (reg))
static void mv5_reset_one_hc(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int hc)
{
void __iomem *hc_mmio = mv_hc_base(mmio, hc);
u32 tmp;
ZERO(0x00c);
ZERO(0x010);
ZERO(0x014);
ZERO(0x018);
tmp = readl(hc_mmio + 0x20);
tmp &= 0x1c1c1c1c;
tmp |= 0x03030303;
writel(tmp, hc_mmio + 0x20);
}
#undef ZERO
static int mv5_reset_hc(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int n_hc)
{
unsigned int hc, port;
for (hc = 0; hc < n_hc; hc++) {
for (port = 0; port < MV_PORTS_PER_HC; port++)
mv5_reset_hc_port(hpriv, mmio,
(hc * MV_PORTS_PER_HC) + port);
mv5_reset_one_hc(hpriv, mmio, hc);
}
return 0;
}
#undef ZERO
#define ZERO(reg) writel(0, mmio + (reg))
static void mv_reset_pci_bus(struct pci_dev *pdev, void __iomem *mmio)
{
u32 tmp;
tmp = readl(mmio + MV_PCI_MODE);
tmp &= 0xff00ffff;
writel(tmp, mmio + MV_PCI_MODE);
ZERO(MV_PCI_DISC_TIMER);
ZERO(MV_PCI_MSI_TRIGGER);
writel(0x000100ff, mmio + MV_PCI_XBAR_TMOUT);
ZERO(HC_MAIN_IRQ_MASK_OFS);
ZERO(MV_PCI_SERR_MASK);
ZERO(PCI_IRQ_CAUSE_OFS);
ZERO(PCI_IRQ_MASK_OFS);
ZERO(MV_PCI_ERR_LOW_ADDRESS);
ZERO(MV_PCI_ERR_HIGH_ADDRESS);
ZERO(MV_PCI_ERR_ATTRIBUTE);
ZERO(MV_PCI_ERR_COMMAND);
}
#undef ZERO
static void mv6_reset_flash(struct mv_host_priv *hpriv, void __iomem *mmio)
{
u32 tmp;
mv5_reset_flash(hpriv, mmio);
tmp = readl(mmio + MV_GPIO_PORT_CTL);
tmp &= 0x3;
tmp |= (1 << 5) | (1 << 6);
writel(tmp, mmio + MV_GPIO_PORT_CTL);
}
/**
* mv6_reset_hc - Perform the 6xxx global soft reset
* @mmio: base address of the HBA
*
* This routine only applies to 6xxx parts.
*
* LOCKING:
* Inherited from caller.
*/
static int mv6_reset_hc(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int n_hc)
{
void __iomem *reg = mmio + PCI_MAIN_CMD_STS_OFS;
int i, rc = 0;
u32 t;
/* Following procedure defined in PCI "main command and status
* register" table.
*/
t = readl(reg);
writel(t | STOP_PCI_MASTER, reg);
for (i = 0; i < 1000; i++) {
udelay(1);
t = readl(reg);
if (PCI_MASTER_EMPTY & t) {
break;
}
}
if (!(PCI_MASTER_EMPTY & t)) {
printk(KERN_ERR DRV_NAME ": PCI master won't flush\n");
rc = 1;
goto done;
}
/* set reset */
i = 5;
do {
writel(t | GLOB_SFT_RST, reg);
t = readl(reg);
udelay(1);
} while (!(GLOB_SFT_RST & t) && (i-- > 0));
if (!(GLOB_SFT_RST & t)) {
printk(KERN_ERR DRV_NAME ": can't set global reset\n");
rc = 1;
goto done;
}
/* clear reset and *reenable the PCI master* (not mentioned in spec) */
i = 5;
do {
writel(t & ~(GLOB_SFT_RST | STOP_PCI_MASTER), reg);
t = readl(reg);
udelay(1);
} while ((GLOB_SFT_RST & t) && (i-- > 0));
if (GLOB_SFT_RST & t) {
printk(KERN_ERR DRV_NAME ": can't clear global reset\n");
rc = 1;
}
done:
return rc;
}
static void mv6_read_preamp(struct mv_host_priv *hpriv, int idx,
void __iomem *mmio)
{
void __iomem *port_mmio;
u32 tmp;
tmp = readl(mmio + MV_RESET_CFG);
if ((tmp & (1 << 0)) == 0) {
hpriv->signal[idx].amps = 0x7 << 8;
hpriv->signal[idx].pre = 0x1 << 5;
return;
}
port_mmio = mv_port_base(mmio, idx);
tmp = readl(port_mmio + PHY_MODE2);
hpriv->signal[idx].amps = tmp & 0x700; /* bits 10:8 */
hpriv->signal[idx].pre = tmp & 0xe0; /* bits 7:5 */
}
static void mv6_enable_leds(struct mv_host_priv *hpriv, void __iomem *mmio)
{
writel(0x00000060, mmio + MV_GPIO_PORT_CTL);
}
static void mv6_phy_errata(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int port)
{
void __iomem *port_mmio = mv_port_base(mmio, port);
u32 hp_flags = hpriv->hp_flags;
int fix_phy_mode2 =
hp_flags & (MV_HP_ERRATA_60X1B2 | MV_HP_ERRATA_60X1C0);
int fix_phy_mode4 =
hp_flags & (MV_HP_ERRATA_60X1B2 | MV_HP_ERRATA_60X1C0);
u32 m2, tmp;
if (fix_phy_mode2) {
m2 = readl(port_mmio + PHY_MODE2);
m2 &= ~(1 << 16);
m2 |= (1 << 31);
writel(m2, port_mmio + PHY_MODE2);
udelay(200);
m2 = readl(port_mmio + PHY_MODE2);
m2 &= ~((1 << 16) | (1 << 31));
writel(m2, port_mmio + PHY_MODE2);
udelay(200);
}
/* who knows what this magic does */
tmp = readl(port_mmio + PHY_MODE3);
tmp &= ~0x7F800000;
tmp |= 0x2A800000;
writel(tmp, port_mmio + PHY_MODE3);
if (fix_phy_mode4) {
u32 m4;
m4 = readl(port_mmio + PHY_MODE4);
if (hp_flags & MV_HP_ERRATA_60X1B2)
tmp = readl(port_mmio + 0x310);
m4 = (m4 & ~(1 << 1)) | (1 << 0);
writel(m4, port_mmio + PHY_MODE4);
if (hp_flags & MV_HP_ERRATA_60X1B2)
writel(tmp, port_mmio + 0x310);
}
/* Revert values of pre-emphasis and signal amps to the saved ones */
m2 = readl(port_mmio + PHY_MODE2);
m2 &= ~MV_M2_PREAMP_MASK;
m2 |= hpriv->signal[port].amps;
m2 |= hpriv->signal[port].pre;
m2 &= ~(1 << 16);
writel(m2, port_mmio + PHY_MODE2);
}
static void mv_channel_reset(struct mv_host_priv *hpriv, void __iomem *mmio,
unsigned int port_no)
{
void __iomem *port_mmio = mv_port_base(mmio, port_no);
writelfl(ATA_RST, port_mmio + EDMA_CMD_OFS);
if (IS_60XX(hpriv)) {
u32 ifctl = readl(port_mmio + SATA_INTERFACE_CTL);
ifctl |= (1 << 12) | (1 << 7);
writelfl(ifctl, port_mmio + SATA_INTERFACE_CTL);
}
udelay(25); /* allow reset propagation */
/* Spec never mentions clearing the bit. Marvell's driver does
* clear the bit, however.
*/
writelfl(0, port_mmio + EDMA_CMD_OFS);
hpriv->ops->phy_errata(hpriv, mmio, port_no);
if (IS_50XX(hpriv))
mdelay(1);
}
static void mv_stop_and_reset(struct ata_port *ap)
{
struct mv_host_priv *hpriv = ap->host_set->private_data;
void __iomem *mmio = ap->host_set->mmio_base;
mv_stop_dma(ap);
mv_channel_reset(hpriv, mmio, ap->port_no);
__mv_phy_reset(ap, 0);
}
static inline void __msleep(unsigned int msec, int can_sleep)
{
if (can_sleep)
msleep(msec);
else
mdelay(msec);
}
/**
* mv_phy_reset - Perform eDMA reset followed by COMRESET
* __mv_phy_reset - Perform eDMA reset followed by COMRESET
* @ap: ATA channel to manipulate
*
* Part of this is taken from __sata_phy_reset and modified to
......@@ -1213,41 +1731,47 @@ static irqreturn_t mv_interrupt(int irq, void *dev_instance,
* Inherited from caller. This is coded to safe to call at
* interrupt level, i.e. it does not sleep.
*/
static void mv_phy_reset(struct ata_port *ap)
static void __mv_phy_reset(struct ata_port *ap, int can_sleep)
{
struct mv_port_priv *pp = ap->private_data;
struct mv_host_priv *hpriv = ap->host_set->private_data;
void __iomem *port_mmio = mv_ap_base(ap);
struct ata_taskfile tf;
struct ata_device *dev = &ap->device[0];
unsigned long timeout;
int retry = 5;
u32 sstatus;
VPRINTK("ENTER, port %u, mmio 0x%p\n", ap->port_no, port_mmio);
mv_stop_dma(ap);
writelfl(ATA_RST, port_mmio + EDMA_CMD_OFS);
udelay(25); /* allow reset propagation */
/* Spec never mentions clearing the bit. Marvell's driver does
* clear the bit, however.
*/
writelfl(0, port_mmio + EDMA_CMD_OFS);
VPRINTK("S-regs after ATA_RST: SStat 0x%08x SErr 0x%08x "
DPRINTK("S-regs after ATA_RST: SStat 0x%08x SErr 0x%08x "
"SCtrl 0x%08x\n", mv_scr_read(ap, SCR_STATUS),
mv_scr_read(ap, SCR_ERROR), mv_scr_read(ap, SCR_CONTROL));
/* proceed to init communications via the scr_control reg */
/* Issue COMRESET via SControl */
comreset_retry:
scr_write_flush(ap, SCR_CONTROL, 0x301);
mdelay(1);
__msleep(1, can_sleep);
scr_write_flush(ap, SCR_CONTROL, 0x300);
timeout = jiffies + (HZ * 1);
__msleep(20, can_sleep);
timeout = jiffies + msecs_to_jiffies(200);
do {
mdelay(10);
if ((scr_read(ap, SCR_STATUS) & 0xf) != 1)
sstatus = scr_read(ap, SCR_STATUS) & 0x3;
if ((sstatus == 3) || (sstatus == 0))
break;
__msleep(1, can_sleep);
} while (time_before(jiffies, timeout));
VPRINTK("S-regs after PHY wake: SStat 0x%08x SErr 0x%08x "
/* work around errata */
if (IS_60XX(hpriv) &&
(sstatus != 0x0) && (sstatus != 0x113) && (sstatus != 0x123) &&
(retry-- > 0))
goto comreset_retry;
DPRINTK("S-regs after PHY wake: SStat 0x%08x SErr 0x%08x "
"SCtrl 0x%08x\n", mv_scr_read(ap, SCR_STATUS),
mv_scr_read(ap, SCR_ERROR), mv_scr_read(ap, SCR_CONTROL));
......@@ -1261,6 +1785,21 @@ static void mv_phy_reset(struct ata_port *ap)
}
ap->cbl = ATA_CBL_SATA;
/* even after SStatus reflects that device is ready,
* it seems to take a while for link to be fully
* established (and thus Status no longer 0x80/0x7F),
* so we poll a bit for that, here.
*/
retry = 20;
while (1) {
u8 drv_stat = ata_check_status(ap);
if ((drv_stat != 0x80) && (drv_stat != 0x7f))
break;
__msleep(500, can_sleep);
if (retry-- <= 0)
break;
}
tf.lbah = readb((void __iomem *) ap->ioaddr.lbah_addr);
tf.lbam = readb((void __iomem *) ap->ioaddr.lbam_addr);
tf.lbal = readb((void __iomem *) ap->ioaddr.lbal_addr);
......@@ -1271,9 +1810,19 @@ static void mv_phy_reset(struct ata_port *ap)
VPRINTK("Port disabled post-sig: No device present.\n");
ata_port_disable(ap);
}
writelfl(0, port_mmio + EDMA_ERR_IRQ_CAUSE_OFS);
pp->pp_flags &= ~MV_PP_FLAG_EDMA_EN;
VPRINTK("EXIT\n");
}
static void mv_phy_reset(struct ata_port *ap)
{
__mv_phy_reset(ap, 1);
}
/**
* mv_eng_timeout - Routine called by libata when SCSI times out I/O
* @ap: ATA channel to manipulate
......@@ -1291,16 +1840,16 @@ static void mv_eng_timeout(struct ata_port *ap)
printk(KERN_ERR "ata%u: Entering mv_eng_timeout\n",ap->id);
DPRINTK("All regs @ start of eng_timeout\n");
mv_dump_all_regs(ap->host_set->mmio_base, ap->port_no,
mv_dump_all_regs(ap->host_set->mmio_base, ap->port_no,
to_pci_dev(ap->host_set->dev));
qc = ata_qc_from_tag(ap, ap->active_tag);
printk(KERN_ERR "mmio_base %p ap %p qc %p scsi_cmnd %p &cmnd %p\n",
ap->host_set->mmio_base, ap, qc, qc->scsicmd,
ap->host_set->mmio_base, ap, qc, qc->scsicmd,
&qc->scsicmd->cmnd);
mv_err_intr(ap);
mv_phy_reset(ap);
mv_stop_and_reset(ap);
if (!qc) {
printk(KERN_ERR "ata%u: BUG: timeout without command\n",
......@@ -1336,17 +1885,17 @@ static void mv_port_init(struct ata_ioports *port, void __iomem *port_mmio)
unsigned long shd_base = (unsigned long) port_mmio + SHD_BLK_OFS;
unsigned serr_ofs;
/* PIO related setup
/* PIO related setup
*/
port->data_addr = shd_base + (sizeof(u32) * ATA_REG_DATA);
port->error_addr =
port->error_addr =
port->feature_addr = shd_base + (sizeof(u32) * ATA_REG_ERR);
port->nsect_addr = shd_base + (sizeof(u32) * ATA_REG_NSECT);
port->lbal_addr = shd_base + (sizeof(u32) * ATA_REG_LBAL);
port->lbam_addr = shd_base + (sizeof(u32) * ATA_REG_LBAM);
port->lbah_addr = shd_base + (sizeof(u32) * ATA_REG_LBAH);
port->device_addr = shd_base + (sizeof(u32) * ATA_REG_DEVICE);
port->status_addr =
port->status_addr =
port->command_addr = shd_base + (sizeof(u32) * ATA_REG_STATUS);
/* special case: control/altstatus doesn't have ATA_REG_ address */
port->altstatus_addr = port->ctl_addr = shd_base + SHD_CTL_AST_OFS;
......@@ -1362,14 +1911,92 @@ static void mv_port_init(struct ata_ioports *port, void __iomem *port_mmio)
/* unmask all EDMA error interrupts */
writelfl(~0, port_mmio + EDMA_ERR_IRQ_MASK_OFS);
VPRINTK("EDMA cfg=0x%08x EDMA IRQ err cause/mask=0x%08x/0x%08x\n",
VPRINTK("EDMA cfg=0x%08x EDMA IRQ err cause/mask=0x%08x/0x%08x\n",
readl(port_mmio + EDMA_CFG_OFS),
readl(port_mmio + EDMA_ERR_IRQ_CAUSE_OFS),
readl(port_mmio + EDMA_ERR_IRQ_MASK_OFS));
}
static int mv_chip_id(struct pci_dev *pdev, struct mv_host_priv *hpriv,
unsigned int board_idx)
{
u8 rev_id;
u32 hp_flags = hpriv->hp_flags;
pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
switch(board_idx) {
case chip_5080:
hpriv->ops = &mv5xxx_ops;
hp_flags |= MV_HP_50XX;
switch (rev_id) {
case 0x1:
hp_flags |= MV_HP_ERRATA_50XXB0;
break;
case 0x3:
hp_flags |= MV_HP_ERRATA_50XXB2;
break;
default:
dev_printk(KERN_WARNING, &pdev->dev,
"Applying 50XXB2 workarounds to unknown rev\n");
hp_flags |= MV_HP_ERRATA_50XXB2;
break;
}
break;
case chip_504x:
case chip_508x:
hpriv->ops = &mv5xxx_ops;
hp_flags |= MV_HP_50XX;
switch (rev_id) {
case 0x0:
hp_flags |= MV_HP_ERRATA_50XXB0;
break;
case 0x3:
hp_flags |= MV_HP_ERRATA_50XXB2;
break;
default:
dev_printk(KERN_WARNING, &pdev->dev,
"Applying B2 workarounds to unknown rev\n");
hp_flags |= MV_HP_ERRATA_50XXB2;
break;
}
break;
case chip_604x:
case chip_608x:
hpriv->ops = &mv6xxx_ops;
switch (rev_id) {
case 0x7:
hp_flags |= MV_HP_ERRATA_60X1B2;
break;
case 0x9:
hp_flags |= MV_HP_ERRATA_60X1C0;
break;
default:
dev_printk(KERN_WARNING, &pdev->dev,
"Applying B2 workarounds to unknown rev\n");
hp_flags |= MV_HP_ERRATA_60X1B2;
break;
}
break;
default:
printk(KERN_ERR DRV_NAME ": BUG: invalid board index %u\n", board_idx);
return 1;
}
hpriv->hp_flags = hp_flags;
return 0;
}
/**
* mv_host_init - Perform some early initialization of the host.
* mv_init_host - Perform some early initialization of the host.
* @pdev: host PCI device
* @probe_ent: early data struct representing the host
*
* If possible, do an early global reset of the host. Then do
......@@ -1378,23 +2005,48 @@ static void mv_port_init(struct ata_ioports *port, void __iomem *port_mmio)
* LOCKING:
* Inherited from caller.
*/
static int mv_host_init(struct ata_probe_ent *probe_ent)
static int mv_init_host(struct pci_dev *pdev, struct ata_probe_ent *probe_ent,
unsigned int board_idx)
{
int rc = 0, n_hc, port, hc;
void __iomem *mmio = probe_ent->mmio_base;
void __iomem *port_mmio;
struct mv_host_priv *hpriv = probe_ent->private_data;
if ((MV_FLAG_GLBL_SFT_RST & probe_ent->host_flags) &&
mv_global_soft_reset(probe_ent->mmio_base)) {
rc = 1;
/* global interrupt mask */
writel(0, mmio + HC_MAIN_IRQ_MASK_OFS);
rc = mv_chip_id(pdev, hpriv, board_idx);
if (rc)
goto done;
}
n_hc = mv_get_hc_count(probe_ent->host_flags);
probe_ent->n_ports = MV_PORTS_PER_HC * n_hc;
for (port = 0; port < probe_ent->n_ports; port++)
hpriv->ops->read_preamp(hpriv, port, mmio);
rc = hpriv->ops->reset_hc(hpriv, mmio, n_hc);
if (rc)
goto done;
hpriv->ops->reset_flash(hpriv, mmio);
hpriv->ops->reset_bus(pdev, mmio);
hpriv->ops->enable_leds(hpriv, mmio);
for (port = 0; port < probe_ent->n_ports; port++) {
port_mmio = mv_port_base(mmio, port);
if (IS_60XX(hpriv)) {
void __iomem *port_mmio = mv_port_base(mmio, port);
u32 ifctl = readl(port_mmio + SATA_INTERFACE_CTL);
ifctl |= (1 << 12);
writelfl(ifctl, port_mmio + SATA_INTERFACE_CTL);
}
hpriv->ops->phy_errata(hpriv, mmio, port);
}
for (port = 0; port < probe_ent->n_ports; port++) {
void __iomem *port_mmio = mv_port_base(mmio, port);
mv_port_init(&probe_ent->port[port], port_mmio);
}
......@@ -1418,11 +2070,12 @@ static int mv_host_init(struct ata_probe_ent *probe_ent)
writelfl(~HC_MAIN_MASKED_IRQS, mmio + HC_MAIN_IRQ_MASK_OFS);
VPRINTK("HC MAIN IRQ cause/mask=0x%08x/0x%08x "
"PCI int cause/mask=0x%08x/0x%08x\n",
"PCI int cause/mask=0x%08x/0x%08x\n",
readl(mmio + HC_MAIN_IRQ_CAUSE_OFS),
readl(mmio + HC_MAIN_IRQ_MASK_OFS),
readl(mmio + PCI_IRQ_CAUSE_OFS),
readl(mmio + PCI_IRQ_MASK_OFS));
done:
return rc;
}
......@@ -1458,7 +2111,7 @@ static void mv_print_info(struct ata_probe_ent *probe_ent)
dev_printk(KERN_INFO, &pdev->dev,
"%u slots %u ports %s mode IRQ via %s\n",
(unsigned)MV_MAX_Q_DEPTH, probe_ent->n_ports,
(unsigned)MV_MAX_Q_DEPTH, probe_ent->n_ports,
scc_s, (MV_HP_FLAG_MSI & hpriv->hp_flags) ? "MSI" : "INTx");
}
......@@ -1528,7 +2181,7 @@ static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
probe_ent->private_data = hpriv;
/* initialize adapter */
rc = mv_host_init(probe_ent);
rc = mv_init_host(pdev, probe_ent, board_idx);
if (rc) {
goto err_out_hpriv;
}
......
drivers/scsi/sata_promise.c
浏览文件 @ fbf0e134
......@@ -46,7 +46,7 @@
#include "sata_promise.h"
#define DRV_NAME "sata_promise"
#define DRV_VERSION "1.02"
#define DRV_VERSION "1.03"
enum {
......
drivers/scsi/sata_qstor.c
浏览文件 @ fbf0e134
......@@ -41,7 +41,7 @@
#include <linux/libata.h>
#define DRV_NAME "sata_qstor"
#define DRV_VERSION "0.04"
#define DRV_VERSION "0.05"
enum {
QS_PORTS = 4,
......
drivers/scsi/sata_sil24.c
浏览文件 @ fbf0e134
......@@ -139,6 +139,7 @@ enum {
PORT_CS_DEV_RST = (1 << 1), /* device reset */
PORT_CS_INIT = (1 << 2), /* port initialize */
PORT_CS_IRQ_WOC = (1 << 3), /* interrupt write one to clear */
PORT_CS_CDB16 = (1 << 5), /* 0=12b cdb, 1=16b cdb */
PORT_CS_RESUME = (1 << 6), /* port resume */
PORT_CS_32BIT_ACTV = (1 << 10), /* 32-bit activation */
PORT_CS_PM_EN = (1 << 13), /* port multiplier enable */
......@@ -188,11 +189,29 @@ enum {
PORT_CERR_XFR_PCIPERR = 35, /* PSD ecode 11 - PCI prity err during transfer */
PORT_CERR_SENDSERVICE = 36, /* FIS received while sending service */
/* bits of PRB control field */
PRB_CTRL_PROTOCOL = (1 << 0), /* override def. ATA protocol */
PRB_CTRL_PACKET_READ = (1 << 4), /* PACKET cmd read */
PRB_CTRL_PACKET_WRITE = (1 << 5), /* PACKET cmd write */
PRB_CTRL_NIEN = (1 << 6), /* Mask completion irq */
PRB_CTRL_SRST = (1 << 7), /* Soft reset request (ign BSY?) */
/* PRB protocol field */
PRB_PROT_PACKET = (1 << 0),
PRB_PROT_TCQ = (1 << 1),
PRB_PROT_NCQ = (1 << 2),
PRB_PROT_READ = (1 << 3),
PRB_PROT_WRITE = (1 << 4),
PRB_PROT_TRANSPARENT = (1 << 5),
/*
* Other constants
*/
SGE_TRM = (1 << 31), /* Last SGE in chain */
PRB_SOFT_RST = (1 << 7), /* Soft reset request (ign BSY?) */
SGE_LNK = (1 << 30), /* linked list
Points to SGT, not SGE */
SGE_DRD = (1 << 29), /* discard data read (/dev/null)
data address ignored */
/* board id */
BID_SIL3124 = 0,
......
drivers/scsi/sata_svw.c
浏览文件 @ fbf0e134
......@@ -54,7 +54,7 @@
#endif /* CONFIG_PPC_OF */
#define DRV_NAME "sata_svw"
#define DRV_VERSION "1.06"
#define DRV_VERSION "1.07"
/* Taskfile registers offsets */
#define K2_SATA_TF_CMD_OFFSET 0x00
......
drivers/scsi/sata_sx4.c
浏览文件 @ fbf0e134
......@@ -46,7 +46,7 @@
#include "sata_promise.h"
#define DRV_NAME "sata_sx4"
#define DRV_VERSION "0.7"
#define DRV_VERSION "0.8"
enum {
......
drivers/scsi/sata_vsc.c
浏览文件 @ fbf0e134
......@@ -47,7 +47,7 @@
#include <linux/libata.h>
#define DRV_NAME "sata_vsc"
#define DRV_VERSION "1.0"
#define DRV_VERSION "1.1"
/* Interrupt register offsets (from chip base address) */
#define VSC_SATA_INT_STAT_OFFSET 0x00
......
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