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authorJeff Garzik <jgarzik@pobox.com>2005-11-18 11:42:40 -0500
committerJeff Garzik <jgarzik@pobox.com>2005-11-18 11:42:40 -0500
commit85a07029aaba8f5b27241bcff56cc009c9f4993b (patch)
treec579554c2ea9c942ccbea60e223bc62d8262f652 /drivers/scsi
parent0da36b3467040908d3df6bc1f5b4d592a8b23b63 (diff)
parent79bfb0a98fdc73ed6a18469cef245cbf50a1d8bb (diff)
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Merge branch 'upstream'
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/Kconfig2
-rw-r--r--drivers/scsi/ahci.c71
-rw-r--r--drivers/scsi/ata_piix.c42
-rw-r--r--drivers/scsi/libata-core.c105
-rw-r--r--drivers/scsi/libata-scsi.c83
-rw-r--r--drivers/scsi/libata.h4
-rw-r--r--drivers/scsi/sata_mv.c991
-rw-r--r--drivers/scsi/sata_promise.c2
-rw-r--r--drivers/scsi/sata_qstor.c11
-rw-r--r--drivers/scsi/sata_sil24.c22
-rw-r--r--drivers/scsi/sata_svw.c2
-rw-r--r--drivers/scsi/sata_sx4.c2
-rw-r--r--drivers/scsi/sata_vsc.c2
13 files changed, 1032 insertions, 307 deletions
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 84c42c4..20dd85a 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -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.
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index 57ef7ae..83467a0 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -48,7 +48,7 @@
#include <asm/io.h>
#define DRV_NAME "ahci"
-#define DRV_VERSION "1.01"
+#define DRV_VERSION "1.2"
enum {
@@ -134,6 +134,7 @@ enum {
PORT_IRQ_D2H_REG_FIS,
/* PORT_CMD bits */
+ PORT_CMD_ATAPI = (1 << 24), /* Device is ATAPI */
PORT_CMD_LIST_ON = (1 << 15), /* cmd list DMA engine running */
PORT_CMD_FIS_ON = (1 << 14), /* FIS DMA engine running */
PORT_CMD_FIS_RX = (1 << 4), /* Enable FIS receive DMA engine */
@@ -441,7 +442,7 @@ static void ahci_phy_reset(struct ata_port *ap)
void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr;
struct ata_taskfile tf;
struct ata_device *dev = &ap->device[0];
- u32 tmp;
+ u32 new_tmp, tmp;
__sata_phy_reset(ap);
@@ -455,8 +456,21 @@ static void ahci_phy_reset(struct ata_port *ap)
tf.nsect = (tmp) & 0xff;
dev->class = ata_dev_classify(&tf);
- if (!ata_dev_present(dev))
+ if (!ata_dev_present(dev)) {
ata_port_disable(ap);
+ return;
+ }
+
+ /* Make sure port's ATAPI bit is set appropriately */
+ new_tmp = tmp = readl(port_mmio + PORT_CMD);
+ if (dev->class == ATA_DEV_ATAPI)
+ new_tmp |= PORT_CMD_ATAPI;
+ else
+ new_tmp &= ~PORT_CMD_ATAPI;
+ if (new_tmp != tmp) {
+ writel(new_tmp, port_mmio + PORT_CMD);
+ readl(port_mmio + PORT_CMD); /* flush */
+ }
}
static u8 ahci_check_status(struct ata_port *ap)
@@ -474,11 +488,12 @@ static void ahci_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
ata_tf_from_fis(d2h_fis, tf);
}
-static void ahci_fill_sg(struct ata_queued_cmd *qc)
+static unsigned int ahci_fill_sg(struct ata_queued_cmd *qc)
{
struct ahci_port_priv *pp = qc->ap->private_data;
struct scatterlist *sg;
struct ahci_sg *ahci_sg;
+ unsigned int n_sg = 0;
VPRINTK("ENTER\n");
@@ -493,8 +508,12 @@ static void ahci_fill_sg(struct ata_queued_cmd *qc)
ahci_sg->addr = cpu_to_le32(addr & 0xffffffff);
ahci_sg->addr_hi = cpu_to_le32((addr >> 16) >> 16);
ahci_sg->flags_size = cpu_to_le32(sg_len - 1);
+
ahci_sg++;
+ n_sg++;
}
+
+ return n_sg;
}
static void ahci_qc_prep(struct ata_queued_cmd *qc)
@@ -503,13 +522,14 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc)
struct ahci_port_priv *pp = ap->private_data;
u32 opts;
const u32 cmd_fis_len = 5; /* five dwords */
+ unsigned int n_elem;
/*
* Fill in command slot information (currently only one slot,
* slot 0, is currently since we don't do queueing)
*/
- opts = (qc->n_elem << 16) | cmd_fis_len;
+ opts = cmd_fis_len;
if (qc->tf.flags & ATA_TFLAG_WRITE)
opts |= AHCI_CMD_WRITE;
if (is_atapi_taskfile(&qc->tf))
@@ -533,16 +553,31 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc)
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
return;
- ahci_fill_sg(qc);
+ n_elem = ahci_fill_sg(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;
+ 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);
tmp &= ~PORT_CMD_START;
@@ -580,8 +615,6 @@ static void ahci_intr_error(struct ata_port *ap, u32 irq_stat)
tmp |= PORT_CMD_START;
writel(tmp, port_mmio + PORT_CMD);
readl(port_mmio + PORT_CMD); /* flush */
-
- printk(KERN_WARNING "ata%u: error occurred, port reset\n", ap->id);
}
static void ahci_eng_timeout(struct ata_port *ap)
@@ -592,17 +625,17 @@ static void ahci_eng_timeout(struct ata_port *ap)
struct ata_queued_cmd *qc;
unsigned long flags;
- DPRINTK("ENTER\n");
+ printk(KERN_WARNING "ata%u: handling error/timeout\n", ap->id);
spin_lock_irqsave(&host_set->lock, flags);
- ahci_intr_error(ap, readl(port_mmio + PORT_IRQ_STAT));
-
qc = ata_qc_from_tag(ap, ap->active_tag);
if (!qc) {
printk(KERN_ERR "ata%u: BUG: timeout without command\n",
ap->id);
} else {
+ 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.
* libata is the only user of ->eh_strategy_handler() in
@@ -637,9 +670,19 @@ static inline int ahci_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc)
}
if (status & PORT_IRQ_FATAL) {
- ahci_intr_error(ap, status);
+ unsigned int err_mask;
+ if (status & PORT_IRQ_TF_ERR)
+ err_mask = AC_ERR_DEV;
+ else if (status & PORT_IRQ_IF_ERR)
+ err_mask = AC_ERR_ATA_BUS;
+ else
+ err_mask = AC_ERR_HOST_BUS;
+
+ /* command processing has stopped due to error; restart */
+ ahci_restart_port(ap, status);
+
if (qc)
- ata_qc_complete(qc, AC_ERR_OTHER);
+ ata_qc_complete(qc, err_mask);
}
return 1;
diff --git a/drivers/scsi/ata_piix.c b/drivers/scsi/ata_piix.c
index 855428f..887b2b9 100644
--- a/drivers/scsi/ata_piix.c
+++ b/drivers/scsi/ata_piix.c
@@ -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 */
@@ -78,9 +78,7 @@ enum {
ich5_sata = 1,
piix4_pata = 2,
ich6_sata = 3,
- ich6_sata_rm = 4,
- ich7_sata = 5,
- esb2_sata = 6,
+ ich6_sata_ahci = 4,
PIIX_AHCI_DEVICE = 6,
};
@@ -111,11 +109,11 @@ static const struct pci_device_id piix_pci_tbl[] = {
{ 0x8086, 0x25a3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata },
{ 0x8086, 0x25b0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata },
{ 0x8086, 0x2651, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata },
- { 0x8086, 0x2652, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_rm },
- { 0x8086, 0x2653, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_rm },
- { 0x8086, 0x27c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich7_sata },
- { 0x8086, 0x27c4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich7_sata },
- { 0x8086, 0x2680, PCI_ANY_ID, PCI_ANY_ID, 0, 0, esb2_sata },
+ { 0x8086, 0x2652, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci },
+ { 0x8086, 0x2653, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci },
+ { 0x8086, 0x27c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci },
+ { 0x8086, 0x27c4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci },
+ { 0x8086, 0x2680, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci },
{ } /* terminate list */
};
@@ -258,31 +256,7 @@ static struct ata_port_info piix_port_info[] = {
.port_ops = &piix_sata_ops,
},
- /* ich6_sata_rm */
- {
- .sht = &piix_sht,
- .host_flags = ATA_FLAG_SATA | ATA_FLAG_SRST |
- PIIX_FLAG_COMBINED | PIIX_FLAG_CHECKINTR |
- ATA_FLAG_SLAVE_POSS | PIIX_FLAG_AHCI,
- .pio_mask = 0x1f, /* pio0-4 */
- .mwdma_mask = 0x07, /* mwdma0-2 */
- .udma_mask = 0x7f, /* udma0-6 */
- .port_ops = &piix_sata_ops,
- },
-
- /* ich7_sata */
- {
- .sht = &piix_sht,
- .host_flags = ATA_FLAG_SATA | ATA_FLAG_SRST |
- PIIX_FLAG_COMBINED | PIIX_FLAG_CHECKINTR |
- ATA_FLAG_SLAVE_POSS | PIIX_FLAG_AHCI,
- .pio_mask = 0x1f, /* pio0-4 */
- .mwdma_mask = 0x07, /* mwdma0-2 */
- .udma_mask = 0x7f, /* udma0-6 */
- .port_ops = &piix_sata_ops,
- },
-
- /* esb2_sata */
+ /* ich6_sata_ahci */
{
.sht = &piix_sht,
.host_flags = ATA_FLAG_SATA | ATA_FLAG_SRST |
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index e51d9a8..665ae79 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -532,8 +532,7 @@ void ata_tf_to_fis(const struct ata_taskfile *tf, u8 *fis, u8 pmp)
* @fis: Buffer from which data will be input
* @tf: Taskfile to output
*
- * Converts a standard ATA taskfile to a Serial ATA
- * FIS structure (Register - Host to Device).
+ * Converts a serial ATA FIS structure to a standard ATA taskfile.
*
* LOCKING:
* Inherited from caller.
@@ -1047,6 +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
@@ -1126,7 +1149,7 @@ retry:
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);
@@ -1264,7 +1287,7 @@ retry:
}
/* ATAPI-specific feature tests */
- else {
+ else if (dev->class == ATA_DEV_ATAPI) {
if (ata_id_is_ata(dev->id)) /* sanity check */
goto err_out_nosup;
@@ -1571,11 +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.
@@ -1596,7 +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
@@ -2268,7 +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");
}
@@ -2316,7 +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);
@@ -2372,7 +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");
}
@@ -2400,7 +2425,7 @@ static void ata_sg_clean(struct ata_queued_cmd *qc)
if (qc->flags & ATA_QCFLAG_SINGLE)
assert(qc->n_elem == 1);
- DPRINTK("unmapping %u sg elements\n", qc->n_elem);
+ VPRINTK("unmapping %u sg elements\n", qc->n_elem);
/* if we padded the buffer out to 32-bit bound, and data
* xfer direction is from-device, we must copy from the
@@ -2410,7 +2435,8 @@ static void ata_sg_clean(struct ata_queued_cmd *qc)
pad_buf = ap->pad + (qc->tag * ATA_DMA_PAD_SZ);
if (qc->flags & ATA_QCFLAG_SG) {
- dma_unmap_sg(ap->host_set->dev, sg, qc->n_elem, dir);
+ if (qc->n_elem)
+ dma_unmap_sg(ap->host_set->dev, sg, qc->n_elem, dir);
/* restore last sg */
sg[qc->orig_n_elem - 1].length += qc->pad_len;
if (pad_buf) {
@@ -2420,8 +2446,10 @@ static void ata_sg_clean(struct ata_queued_cmd *qc)
kunmap_atomic(psg->page, KM_IRQ0);
}
} else {
- dma_unmap_single(ap->host_set->dev, sg_dma_address(&sg[0]),
- sg_dma_len(&sg[0]), dir);
+ if (sg_dma_len(&sg[0]) > 0)
+ dma_unmap_single(ap->host_set->dev,
+ sg_dma_address(&sg[0]), sg_dma_len(&sg[0]),
+ dir);
/* restore sg */
sg->length += qc->pad_len;
if (pad_buf)
@@ -2620,6 +2648,11 @@ static int ata_sg_setup_one(struct ata_queued_cmd *qc)
sg->length, qc->pad_len);
}
+ if (!sg->length) {
+ sg_dma_address(sg) = 0;
+ goto skip_map;
+ }
+
dma_address = dma_map_single(ap->host_set->dev, qc->buf_virt,
sg->length, dir);
if (dma_mapping_error(dma_address)) {
@@ -2629,6 +2662,7 @@ static int ata_sg_setup_one(struct ata_queued_cmd *qc)
}
sg_dma_address(sg) = dma_address;
+skip_map:
sg_dma_len(sg) = sg->length;
DPRINTK("mapped buffer of %d bytes for %s\n", sg_dma_len(sg),
@@ -2656,7 +2690,7 @@ static int ata_sg_setup(struct ata_queued_cmd *qc)
struct ata_port *ap = qc->ap;
struct scatterlist *sg = qc->__sg;
struct scatterlist *lsg = &sg[qc->n_elem - 1];
- int n_elem, dir;
+ int n_elem, pre_n_elem, dir, trim_sg = 0;
VPRINTK("ENTER, ata%u\n", ap->id);
assert(qc->flags & ATA_QCFLAG_SG);
@@ -2690,13 +2724,24 @@ static int ata_sg_setup(struct ata_queued_cmd *qc)
sg_dma_len(psg) = ATA_DMA_PAD_SZ;
/* trim last sg */
lsg->length -= qc->pad_len;
+ if (lsg->length == 0)
+ trim_sg = 1;
DPRINTK("padding done, sg[%d].length=%u pad_len=%u\n",
qc->n_elem - 1, lsg->length, qc->pad_len);
}
+ pre_n_elem = qc->n_elem;
+ if (trim_sg && pre_n_elem)
+ pre_n_elem--;
+
+ if (!pre_n_elem) {
+ n_elem = 0;
+ goto skip_map;
+ }
+
dir = qc->dma_dir;
- n_elem = dma_map_sg(ap->host_set->dev, sg, qc->n_elem, dir);
+ n_elem = dma_map_sg(ap->host_set->dev, sg, pre_n_elem, dir);
if (n_elem < 1) {
/* restore last sg */
lsg->length += qc->pad_len;
@@ -2705,6 +2750,7 @@ static int ata_sg_setup(struct ata_queued_cmd *qc)
DPRINTK("%d sg elements mapped\n", n_elem);
+skip_map:
qc->n_elem = n_elem;
return 0;
@@ -3264,32 +3310,11 @@ static void ata_qc_timeout(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct ata_host_set *host_set = ap->host_set;
- struct ata_device *dev = qc->dev;
u8 host_stat = 0, drv_stat;
unsigned long flags;
DPRINTK("ENTER\n");
- /* FIXME: doesn't this conflict with timeout handling? */
- if (qc->dev->class == ATA_DEV_ATAPI && qc->scsicmd) {
- struct scsi_cmnd *cmd = qc->scsicmd;
-
- if (!(cmd->eh_eflags & SCSI_EH_CANCEL_CMD)) {
-
- /* finish completing original command */
- spin_lock_irqsave(&host_set->lock, flags);
- __ata_qc_complete(qc);
- spin_unlock_irqrestore(&host_set->lock, flags);
-
- atapi_request_sense(ap, dev, cmd);
-
- cmd->result = (CHECK_CONDITION << 1) | (DID_OK << 16);
- scsi_finish_command(cmd);
-
- goto out;
- }
- }
-
spin_lock_irqsave(&host_set->lock, flags);
/* hack alert! We cannot use the supplied completion
@@ -3328,7 +3353,6 @@ static void ata_qc_timeout(struct ata_queued_cmd *qc)
spin_unlock_irqrestore(&host_set->lock, flags);
-out:
DPRINTK("EXIT\n");
}
@@ -3412,16 +3436,11 @@ struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap,
qc = ata_qc_new(ap);
if (qc) {
- qc->__sg = NULL;
- qc->flags = 0;
qc->scsicmd = NULL;
qc->ap = ap;
qc->dev = dev;
- qc->cursect = qc->cursg = qc->cursg_ofs = 0;
- qc->nsect = 0;
- qc->nbytes = qc->curbytes = 0;
- ata_tf_init(ap, &qc->tf, dev->devno);
+ ata_qc_reinit(qc);
}
return qc;
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index a1958be..957a9ca 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -1949,22 +1949,44 @@ void ata_scsi_badcmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *), u8
done(cmd);
}
-void atapi_request_sense(struct ata_port *ap, struct ata_device *dev,
- struct scsi_cmnd *cmd)
+static int atapi_sense_complete(struct ata_queued_cmd *qc,unsigned int err_mask)
{
- DECLARE_COMPLETION(wait);
- struct ata_queued_cmd *qc;
- unsigned long flags;
- int rc;
+ if (err_mask && ((err_mask & AC_ERR_DEV) == 0))
+ /* FIXME: not quite right; we don't want the
+ * translation of taskfile registers into
+ * a sense descriptors, since that's only
+ * correct for ATA, not ATAPI
+ */
+ ata_gen_ata_desc_sense(qc);
- DPRINTK("ATAPI request sense\n");
+ qc->scsidone(qc->scsicmd);
+ return 0;
+}
- qc = ata_qc_new_init(ap, dev);
- BUG_ON(qc == NULL);
+/* is it pointless to prefer PIO for "safety reasons"? */
+static inline int ata_pio_use_silly(struct ata_port *ap)
+{
+ return (ap->flags & ATA_FLAG_PIO_DMA);
+}
+
+static void atapi_request_sense(struct ata_queued_cmd *qc)
+{
+ struct ata_port *ap = qc->ap;
+ struct scsi_cmnd *cmd = qc->scsicmd;
+
+ DPRINTK("ATAPI request sense\n");
/* FIXME: is this needed? */
memset(cmd->sense_buffer, 0, sizeof(cmd->sense_buffer));
+ ap->ops->tf_read(ap, &qc->tf);
+
+ /* fill these in, for the case where they are -not- overwritten */
+ cmd->sense_buffer[0] = 0x70;
+ cmd->sense_buffer[2] = qc->tf.feature >> 4;
+
+ ata_qc_reinit(qc);
+
ata_sg_init_one(qc, cmd->sense_buffer, sizeof(cmd->sense_buffer));
qc->dma_dir = DMA_FROM_DEVICE;
@@ -1975,22 +1997,20 @@ void atapi_request_sense(struct ata_port *ap, struct ata_device *dev,
qc->tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
qc->tf.command = ATA_CMD_PACKET;
- qc->tf.protocol = ATA_PROT_ATAPI;
- qc->tf.lbam = (8 * 1024) & 0xff;
- qc->tf.lbah = (8 * 1024) >> 8;
+ if (ata_pio_use_silly(ap)) {
+ qc->tf.protocol = ATA_PROT_ATAPI_DMA;
+ qc->tf.feature |= ATAPI_PKT_DMA;
+ } else {
+ qc->tf.protocol = ATA_PROT_ATAPI;
+ qc->tf.lbam = (8 * 1024) & 0xff;
+ qc->tf.lbah = (8 * 1024) >> 8;
+ }
qc->nbytes = SCSI_SENSE_BUFFERSIZE;
- qc->waiting = &wait;
- qc->complete_fn = ata_qc_complete_noop;
-
- spin_lock_irqsave(&ap->host_set->lock, flags);
- rc = ata_qc_issue(qc);
- spin_unlock_irqrestore(&ap->host_set->lock, flags);
+ qc->complete_fn = atapi_sense_complete;
- if (rc)
- ata_port_disable(ap);
- else
- wait_for_completion(&wait);
+ if (ata_qc_issue(qc))
+ ata_qc_complete(qc, AC_ERR_OTHER);
DPRINTK("EXIT\n");
}
@@ -2002,19 +2022,8 @@ static int atapi_qc_complete(struct ata_queued_cmd *qc, unsigned int err_mask)
VPRINTK("ENTER, err_mask 0x%X\n", err_mask);
if (unlikely(err_mask & AC_ERR_DEV)) {
- DPRINTK("request check condition\n");
-
- /* FIXME: command completion with check condition
- * but no sense causes the error handler to run,
- * which then issues REQUEST SENSE, fills in the sense
- * buffer, and completes the command (for the second
- * time). We need to issue REQUEST SENSE some other
- * way, to avoid completing the command twice.
- */
cmd->result = SAM_STAT_CHECK_CONDITION;
-
- qc->scsidone(cmd);
-
+ atapi_request_sense(qc);
return 1;
}
@@ -2270,6 +2279,12 @@ ata_scsi_pass_thru(struct ata_queued_cmd *qc, const u8 *scsicmd)
tf->device = scsicmd[8];
tf->command = scsicmd[9];
}
+ /*
+ * If slave is possible, enforce correct master/slave bit
+ */
+ if (qc->ap->flags & ATA_FLAG_SLAVE_POSS)
+ tf->device = qc->dev->devno ?
+ tf->device | ATA_DEV1 : tf->device & ~ATA_DEV1;
/*
* Filter SET_FEATURES - XFER MODE command -- otherwise,
diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h
index fad051c..8ebaa69 100644
--- a/drivers/scsi/libata.h
+++ b/drivers/scsi/libata.h
@@ -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;
@@ -54,8 +54,6 @@ extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
/* libata-scsi.c */
-extern void atapi_request_sense(struct ata_port *ap, struct ata_device *dev,
- struct scsi_cmnd *cmd);
extern void ata_scsi_scan_host(struct ata_port *ap);
extern int ata_scsi_error(struct Scsi_Host *host);
extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c
index 257c128..ac184e6 100644
--- a/drivers/scsi/sata_mv.c
+++ b/drivers/scsi/sata_mv.c
@@ -1,7 +1,7 @@
/*
* 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) {
@@ -585,70 +738,6 @@ 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;
}
diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c
index 242d906..8a8e3e3 100644
--- a/drivers/scsi/sata_promise.c
+++ b/drivers/scsi/sata_promise.c
@@ -46,7 +46,7 @@
#include "sata_promise.h"
#define DRV_NAME "sata_promise"
-#define DRV_VERSION "1.02"
+#define DRV_VERSION "1.03"
enum {
diff --git a/drivers/scsi/sata_qstor.c b/drivers/scsi/sata_qstor.c
index b2f6324..a8987f5 100644
--- a/drivers/scsi/sata_qstor.c
+++ b/drivers/scsi/sata_qstor.c
@@ -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,
@@ -268,7 +268,7 @@ static void qs_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val)
writel(val, (void __iomem *)(ap->ioaddr.scr_addr + (sc_reg * 8)));
}
-static void qs_fill_sg(struct ata_queued_cmd *qc)
+static unsigned int qs_fill_sg(struct ata_queued_cmd *qc)
{
struct scatterlist *sg;
struct ata_port *ap = qc->ap;
@@ -296,6 +296,8 @@ static void qs_fill_sg(struct ata_queued_cmd *qc)
(unsigned long long)addr, len);
nelem++;
}
+
+ return nelem;
}
static void qs_qc_prep(struct ata_queued_cmd *qc)
@@ -304,6 +306,7 @@ static void qs_qc_prep(struct ata_queued_cmd *qc)
u8 dflags = QS_DF_PORD, *buf = pp->pkt;
u8 hflags = QS_HF_DAT | QS_HF_IEN | QS_HF_VLD;
u64 addr;
+ unsigned int nelem;
VPRINTK("ENTER\n");
@@ -313,7 +316,7 @@ static void qs_qc_prep(struct ata_queued_cmd *qc)
return;
}
- qs_fill_sg(qc);
+ nelem = qs_fill_sg(qc);
if ((qc->tf.flags & ATA_TFLAG_WRITE))
hflags |= QS_HF_DIRO;
@@ -324,7 +327,7 @@ static void qs_qc_prep(struct ata_queued_cmd *qc)
buf[ 0] = QS_HCB_HDR;
buf[ 1] = hflags;
*(__le32 *)(&buf[ 4]) = cpu_to_le32(qc->nsect * ATA_SECT_SIZE);
- *(__le32 *)(&buf[ 8]) = cpu_to_le32(qc->n_elem);
+ *(__le32 *)(&buf[ 8]) = cpu_to_le32(nelem);
addr = ((u64)pp->pkt_dma) + QS_CPB_BYTES;
*(__le64 *)(&buf[16]) = cpu_to_le64(addr);
diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index d3198d9..cb1933a 100644
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -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,
@@ -687,6 +706,7 @@ static void sil24_port_stop(struct ata_port *ap)
struct sil24_port_priv *pp = ap->private_data;
sil24_cblk_free(pp, dev);
+ ata_pad_free(ap, dev);
kfree(pp);
}
diff --git a/drivers/scsi/sata_svw.c b/drivers/scsi/sata_svw.c
index 57e5a9d..6e7f7c8 100644
--- a/drivers/scsi/sata_svw.c
+++ b/drivers/scsi/sata_svw.c
@@ -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
diff --git a/drivers/scsi/sata_sx4.c b/drivers/scsi/sata_sx4.c
index b4bbe48..dcc3ad9 100644
--- a/drivers/scsi/sata_sx4.c
+++ b/drivers/scsi/sata_sx4.c
@@ -46,7 +46,7 @@
#include "sata_promise.h"
#define DRV_NAME "sata_sx4"
-#define DRV_VERSION "0.7"
+#define DRV_VERSION "0.8"
enum {
diff --git a/drivers/scsi/sata_vsc.c b/drivers/scsi/sata_vsc.c
index 77a6e4b9..fcfa486 100644
--- a/drivers/scsi/sata_vsc.c
+++ b/drivers/scsi/sata_vsc.c
@@ -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