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path: root/drivers/ata/ata_piix.c
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Diffstat (limited to 'drivers/ata/ata_piix.c')
-rw-r--r--drivers/ata/ata_piix.c552
1 files changed, 465 insertions, 87 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index a4b2cb29f46..47892e6f5de 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -101,37 +101,21 @@ enum {
ICH5_PMR = 0x90, /* port mapping register */
ICH5_PCS = 0x92, /* port control and status */
PIIX_SCC = 0x0A, /* sub-class code register */
+ PIIX_SIDPR_BAR = 5,
+ PIIX_SIDPR_LEN = 16,
+ PIIX_SIDPR_IDX = 0,
+ PIIX_SIDPR_DATA = 4,
- PIIX_FLAG_SCR = (1 << 26), /* SCR available */
PIIX_FLAG_AHCI = (1 << 27), /* AHCI possible */
PIIX_FLAG_CHECKINTR = (1 << 28), /* make sure PCI INTx enabled */
+ PIIX_FLAG_SIDPR = (1 << 29), /* SATA idx/data pair regs */
PIIX_PATA_FLAGS = ATA_FLAG_SLAVE_POSS,
PIIX_SATA_FLAGS = ATA_FLAG_SATA | PIIX_FLAG_CHECKINTR,
- /* combined mode. if set, PATA is channel 0.
- * if clear, PATA is channel 1.
- */
- PIIX_PORT_ENABLED = (1 << 0),
- PIIX_PORT_PRESENT = (1 << 4),
-
PIIX_80C_PRI = (1 << 5) | (1 << 4),
PIIX_80C_SEC = (1 << 7) | (1 << 6),
- /* controller IDs */
- piix_pata_33 = 0, /* PIIX4 at 33Mhz */
- ich_pata_33 = 1, /* ICH up to UDMA 33 only */
- ich_pata_66 = 2, /* ICH up to 66 Mhz */
- ich_pata_100 = 3, /* ICH up to UDMA 100 */
- ich5_sata = 5,
- ich6_sata = 6,
- ich6_sata_ahci = 7,
- ich6m_sata_ahci = 8,
- ich8_sata_ahci = 9,
- piix_pata_mwdma = 10, /* PIIX3 MWDMA only */
- tolapai_sata_ahci = 11,
- ich9_2port_sata = 12,
-
/* constants for mapping table */
P0 = 0, /* port 0 */
P1 = 1, /* port 1 */
@@ -147,6 +131,24 @@ enum {
PIIX_HOST_BROKEN_SUSPEND = (1 << 24),
};
+enum piix_controller_ids {
+ /* controller IDs */
+ piix_pata_mwdma, /* PIIX3 MWDMA only */
+ piix_pata_33, /* PIIX4 at 33Mhz */
+ ich_pata_33, /* ICH up to UDMA 33 only */
+ ich_pata_66, /* ICH up to 66 Mhz */
+ ich_pata_100, /* ICH up to UDMA 100 */
+ ich5_sata,
+ ich6_sata,
+ ich6_sata_ahci,
+ ich6m_sata_ahci,
+ ich8_sata_ahci,
+ ich8_2port_sata,
+ ich8m_apple_sata_ahci, /* locks up on second port enable */
+ tolapai_sata_ahci,
+ piix_pata_vmw, /* PIIX4 for VMware, spurious DMA_ERR */
+};
+
struct piix_map_db {
const u32 mask;
const u16 port_enable;
@@ -155,6 +157,7 @@ struct piix_map_db {
struct piix_host_priv {
const int *map;
+ void __iomem *sidpr;
};
static int piix_init_one(struct pci_dev *pdev,
@@ -164,6 +167,10 @@ static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev);
static void piix_set_dmamode(struct ata_port *ap, struct ata_device *adev);
static void ich_set_dmamode(struct ata_port *ap, struct ata_device *adev);
static int ich_pata_cable_detect(struct ata_port *ap);
+static u8 piix_vmw_bmdma_status(struct ata_port *ap);
+static int piix_sidpr_scr_read(struct ata_port *ap, unsigned int reg, u32 *val);
+static int piix_sidpr_scr_write(struct ata_port *ap, unsigned int reg, u32 val);
+static void piix_sidpr_error_handler(struct ata_port *ap);
#ifdef CONFIG_PM
static int piix_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
static int piix_pci_device_resume(struct pci_dev *pdev);
@@ -174,6 +181,8 @@ static unsigned int in_module_init = 1;
static const struct pci_device_id piix_pci_tbl[] = {
/* Intel PIIX3 for the 430HX etc */
{ 0x8086, 0x7010, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix_pata_mwdma },
+ /* VMware ICH4 */
+ { 0x8086, 0x7111, 0x15ad, 0x1976, 0, 0, piix_pata_vmw },
/* Intel PIIX4 for the 430TX/440BX/MX chipset: UDMA 33 */
/* Also PIIX4E (fn3 rev 2) and PIIX4M (fn3 rev 3) */
{ 0x8086, 0x7111, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix_pata_33 },
@@ -239,23 +248,33 @@ static const struct pci_device_id piix_pci_tbl[] = {
/* SATA Controller 1 IDE (ICH8) */
{ 0x8086, 0x2820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
/* SATA Controller 2 IDE (ICH8) */
- { 0x8086, 0x2825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
+ { 0x8086, 0x2825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* Mobile SATA Controller IDE (ICH8M) */
{ 0x8086, 0x2828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
+ /* Mobile SATA Controller IDE (ICH8M), Apple */
+ { 0x8086, 0x2828, 0x106b, 0x00a0, 0, 0, ich8m_apple_sata_ahci },
/* SATA Controller IDE (ICH9) */
{ 0x8086, 0x2920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
/* SATA Controller IDE (ICH9) */
- { 0x8086, 0x2921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
+ { 0x8086, 0x2921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* SATA Controller IDE (ICH9) */
- { 0x8086, 0x2926, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
+ { 0x8086, 0x2926, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* SATA Controller IDE (ICH9M) */
- { 0x8086, 0x2928, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
+ { 0x8086, 0x2928, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* SATA Controller IDE (ICH9M) */
- { 0x8086, 0x292d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
+ { 0x8086, 0x292d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* SATA Controller IDE (ICH9M) */
{ 0x8086, 0x292e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
/* SATA Controller IDE (Tolapai) */
{ 0x8086, 0x5028, PCI_ANY_ID, PCI_ANY_ID, 0, 0, tolapai_sata_ahci },
+ /* SATA Controller IDE (ICH10) */
+ { 0x8086, 0x3a00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
+ /* SATA Controller IDE (ICH10) */
+ { 0x8086, 0x3a06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+ /* SATA Controller IDE (ICH10) */
+ { 0x8086, 0x3a20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
+ /* SATA Controller IDE (ICH10) */
+ { 0x8086, 0x3a26, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
{ } /* terminate list */
};
@@ -314,7 +333,6 @@ static const struct ata_port_operations piix_pata_ops = {
.post_internal_cmd = ata_bmdma_post_internal_cmd,
.cable_detect = ata_cable_40wire,
- .irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
.irq_on = ata_irq_on,
@@ -346,7 +364,6 @@ static const struct ata_port_operations ich_pata_ops = {
.post_internal_cmd = ata_bmdma_post_internal_cmd,
.cable_detect = ich_pata_cable_detect,
- .irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
.irq_on = ata_irq_on,
@@ -373,6 +390,37 @@ static const struct ata_port_operations piix_sata_ops = {
.error_handler = ata_bmdma_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+
+ .port_start = ata_port_start,
+};
+
+static const struct ata_port_operations piix_vmw_ops = {
+ .set_piomode = piix_set_piomode,
+ .set_dmamode = piix_set_dmamode,
+ .mode_filter = ata_pci_default_filter,
+
+ .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,
+
+ .bmdma_setup = ata_bmdma_setup,
+ .bmdma_start = ata_bmdma_start,
+ .bmdma_stop = ata_bmdma_stop,
+ .bmdma_status = piix_vmw_bmdma_status,
+ .qc_prep = ata_qc_prep,
+ .qc_issue = ata_qc_issue_prot,
+ .data_xfer = ata_data_xfer,
+
+ .freeze = ata_bmdma_freeze,
+ .thaw = ata_bmdma_thaw,
+ .error_handler = piix_pata_error_handler,
+ .post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = ata_cable_40wire,
+
.irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
.irq_on = ata_irq_on,
@@ -380,6 +428,35 @@ static const struct ata_port_operations piix_sata_ops = {
.port_start = ata_port_start,
};
+static const struct ata_port_operations piix_sidpr_sata_ops = {
+ .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,
+
+ .bmdma_setup = ata_bmdma_setup,
+ .bmdma_start = ata_bmdma_start,
+ .bmdma_stop = ata_bmdma_stop,
+ .bmdma_status = ata_bmdma_status,
+ .qc_prep = ata_qc_prep,
+ .qc_issue = ata_qc_issue_prot,
+ .data_xfer = ata_data_xfer,
+
+ .scr_read = piix_sidpr_scr_read,
+ .scr_write = piix_sidpr_scr_write,
+
+ .freeze = ata_bmdma_freeze,
+ .thaw = ata_bmdma_thaw,
+ .error_handler = piix_sidpr_error_handler,
+ .post_internal_cmd = ata_bmdma_post_internal_cmd,
+
+ .irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+
+ .port_start = ata_port_start,
+};
+
static const struct piix_map_db ich5_map_db = {
.mask = 0x7,
.port_enable = 0x3,
@@ -427,7 +504,7 @@ static const struct piix_map_db ich6m_map_db = {
static const struct piix_map_db ich8_map_db = {
.mask = 0x3,
- .port_enable = 0x3,
+ .port_enable = 0xf,
.map = {
/* PM PS SM SS MAP */
{ P0, P2, P1, P3 }, /* 00b (hardwired when in AHCI) */
@@ -437,7 +514,7 @@ static const struct piix_map_db ich8_map_db = {
},
};
-static const struct piix_map_db tolapai_map_db = {
+static const struct piix_map_db ich8_2port_map_db = {
.mask = 0x3,
.port_enable = 0x3,
.map = {
@@ -449,7 +526,19 @@ static const struct piix_map_db tolapai_map_db = {
},
};
-static const struct piix_map_db ich9_2port_map_db = {
+static const struct piix_map_db ich8m_apple_map_db = {
+ .mask = 0x3,
+ .port_enable = 0x1,
+ .map = {
+ /* PM PS SM SS MAP */
+ { P0, NA, NA, NA }, /* 00b */
+ { RV, RV, RV, RV },
+ { P0, P2, IDE, IDE }, /* 10b */
+ { RV, RV, RV, RV },
+ },
+};
+
+static const struct piix_map_db tolapai_map_db = {
.mask = 0x3,
.port_enable = 0x3,
.map = {
@@ -467,14 +556,22 @@ static const struct piix_map_db *piix_map_db_table[] = {
[ich6_sata_ahci] = &ich6_map_db,
[ich6m_sata_ahci] = &ich6m_map_db,
[ich8_sata_ahci] = &ich8_map_db,
+ [ich8_2port_sata] = &ich8_2port_map_db,
+ [ich8m_apple_sata_ahci] = &ich8m_apple_map_db,
[tolapai_sata_ahci] = &tolapai_map_db,
- [ich9_2port_sata] = &ich9_2port_map_db,
};
static struct ata_port_info piix_port_info[] = {
+ [piix_pata_mwdma] = /* PIIX3 MWDMA only */
+ {
+ .flags = PIIX_PATA_FLAGS,
+ .pio_mask = 0x1f, /* pio0-4 */
+ .mwdma_mask = 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
+ .port_ops = &piix_pata_ops,
+ },
+
[piix_pata_33] = /* PIIX4 at 33MHz */
{
- .sht = &piix_sht,
.flags = PIIX_PATA_FLAGS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
@@ -484,7 +581,6 @@ static struct ata_port_info piix_port_info[] = {
[ich_pata_33] = /* ICH0 - ICH at 33Mhz*/
{
- .sht = &piix_sht,
.flags = PIIX_PATA_FLAGS,
.pio_mask = 0x1f, /* pio 0-4 */
.mwdma_mask = 0x06, /* Check: maybe 0x07 */
@@ -494,7 +590,6 @@ static struct ata_port_info piix_port_info[] = {
[ich_pata_66] = /* ICH controllers up to 66MHz */
{
- .sht = &piix_sht,
.flags = PIIX_PATA_FLAGS,
.pio_mask = 0x1f, /* pio 0-4 */
.mwdma_mask = 0x06, /* MWDMA0 is broken on chip */
@@ -504,7 +599,6 @@ static struct ata_port_info piix_port_info[] = {
[ich_pata_100] =
{
- .sht = &piix_sht,
.flags = PIIX_PATA_FLAGS | PIIX_FLAG_CHECKINTR,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x06, /* mwdma1-2 */
@@ -514,7 +608,6 @@ static struct ata_port_info piix_port_info[] = {
[ich5_sata] =
{
- .sht = &piix_sht,
.flags = PIIX_SATA_FLAGS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
@@ -524,8 +617,7 @@ static struct ata_port_info piix_port_info[] = {
[ich6_sata] =
{
- .sht = &piix_sht,
- .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR,
+ .flags = PIIX_SATA_FLAGS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = ATA_UDMA6,
@@ -534,9 +626,7 @@ static struct ata_port_info piix_port_info[] = {
[ich6_sata_ahci] =
{
- .sht = &piix_sht,
- .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
- PIIX_FLAG_AHCI,
+ .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = ATA_UDMA6,
@@ -545,9 +635,7 @@ static struct ata_port_info piix_port_info[] = {
[ich6m_sata_ahci] =
{
- .sht = &piix_sht,
- .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
- PIIX_FLAG_AHCI,
+ .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = ATA_UDMA6,
@@ -556,45 +644,53 @@ static struct ata_port_info piix_port_info[] = {
[ich8_sata_ahci] =
{
- .sht = &piix_sht,
- .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
- PIIX_FLAG_AHCI,
+ .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI |
+ PIIX_FLAG_SIDPR,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
- [piix_pata_mwdma] = /* PIIX3 MWDMA only */
+ [ich8_2port_sata] =
{
- .sht = &piix_sht,
- .flags = PIIX_PATA_FLAGS,
+ .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI |
+ PIIX_FLAG_SIDPR,
.pio_mask = 0x1f, /* pio0-4 */
- .mwdma_mask = 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
- .port_ops = &piix_pata_ops,
+ .mwdma_mask = 0x07, /* mwdma0-2 */
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &piix_sata_ops,
},
[tolapai_sata_ahci] =
{
- .sht = &piix_sht,
- .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
- PIIX_FLAG_AHCI,
+ .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
- [ich9_2port_sata] =
+ [ich8m_apple_sata_ahci] =
{
- .sht = &piix_sht,
- .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
- PIIX_FLAG_AHCI,
+ .flags = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI |
+ PIIX_FLAG_SIDPR,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
+
+ [piix_pata_vmw] =
+ {
+ .sht = &piix_sht,
+ .flags = PIIX_PATA_FLAGS,
+ .pio_mask = 0x1f, /* pio0-4 */
+ .mwdma_mask = 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
+ .udma_mask = ATA_UDMA_MASK_40C,
+ .port_ops = &piix_vmw_ops,
+ },
+
};
static struct pci_bits piix_enable_bits[] = {
@@ -621,6 +717,7 @@ struct ich_laptop {
static const struct ich_laptop ich_laptop[] = {
/* devid, subvendor, subdev */
{ 0x27DF, 0x0005, 0x0280 }, /* ICH7 on Acer 5602WLMi */
+ { 0x27DF, 0x1025, 0x0102 }, /* ICH7 on Acer 5602aWLMi */
{ 0x27DF, 0x1025, 0x0110 }, /* ICH7 on Acer 3682WLMi */
{ 0x27DF, 0x1043, 0x1267 }, /* ICH7 on Asus W5F */
{ 0x27DF, 0x103C, 0x30A1 }, /* ICH7 on HP Compaq nc2400 */
@@ -926,6 +1023,180 @@ static void ich_set_dmamode(struct ata_port *ap, struct ata_device *adev)
do_pata_set_dmamode(ap, adev, 1);
}
+/*
+ * Serial ATA Index/Data Pair Superset Registers access
+ *
+ * Beginning from ICH8, there's a sane way to access SCRs using index
+ * and data register pair located at BAR5. This creates an
+ * interesting problem of mapping two SCRs to one port.
+ *
+ * Although they have separate SCRs, the master and slave aren't
+ * independent enough to be treated as separate links - e.g. softreset
+ * resets both. Also, there's no protocol defined for hard resetting
+ * singled device sharing the virtual port (no defined way to acquire
+ * device signature). This is worked around by merging the SCR values
+ * into one sensible value and requesting follow-up SRST after
+ * hardreset.
+ *
+ * SCR merging is perfomed in nibbles which is the unit contents in
+ * SCRs are organized. If two values are equal, the value is used.
+ * When they differ, merge table which lists precedence of possible
+ * values is consulted and the first match or the last entry when
+ * nothing matches is used. When there's no merge table for the
+ * specific nibble, value from the first port is used.
+ */
+static const int piix_sidx_map[] = {
+ [SCR_STATUS] = 0,
+ [SCR_ERROR] = 2,
+ [SCR_CONTROL] = 1,
+};
+
+static void piix_sidpr_sel(struct ata_device *dev, unsigned int reg)
+{
+ struct ata_port *ap = dev->link->ap;
+ struct piix_host_priv *hpriv = ap->host->private_data;
+
+ iowrite32(((ap->port_no * 2 + dev->devno) << 8) | piix_sidx_map[reg],
+ hpriv->sidpr + PIIX_SIDPR_IDX);
+}
+
+static int piix_sidpr_read(struct ata_device *dev, unsigned int reg)
+{
+ struct piix_host_priv *hpriv = dev->link->ap->host->private_data;
+
+ piix_sidpr_sel(dev, reg);
+ return ioread32(hpriv->sidpr + PIIX_SIDPR_DATA);
+}
+
+static void piix_sidpr_write(struct ata_device *dev, unsigned int reg, u32 val)
+{
+ struct piix_host_priv *hpriv = dev->link->ap->host->private_data;
+
+ piix_sidpr_sel(dev, reg);
+ iowrite32(val, hpriv->sidpr + PIIX_SIDPR_DATA);
+}
+
+static u32 piix_merge_scr(u32 val0, u32 val1, const int * const *merge_tbl)
+{
+ u32 val = 0;
+ int i, mi;
+
+ for (i = 0, mi = 0; i < 32 / 4; i++) {
+ u8 c0 = (val0 >> (i * 4)) & 0xf;
+ u8 c1 = (val1 >> (i * 4)) & 0xf;
+ u8 merged = c0;
+ const int *cur;
+
+ /* if no merge preference, assume the first value */
+ cur = merge_tbl[mi];
+ if (!cur)
+ goto done;
+ mi++;
+
+ /* if two values equal, use it */
+ if (c0 == c1)
+ goto done;
+
+ /* choose the first match or the last from the merge table */
+ while (*cur != -1) {
+ if (c0 == *cur || c1 == *cur)
+ break;
+ cur++;
+ }
+ if (*cur == -1)
+ cur--;
+ merged = *cur;
+ done:
+ val |= merged << (i * 4);
+ }
+
+ return val;
+}
+
+static int piix_sidpr_scr_read(struct ata_port *ap, unsigned int reg, u32 *val)
+{
+ const int * const sstatus_merge_tbl[] = {
+ /* DET */ (const int []){ 1, 3, 0, 4, 3, -1 },
+ /* SPD */ (const int []){ 2, 1, 0, -1 },
+ /* IPM */ (const int []){ 6, 2, 1, 0, -1 },
+ NULL,
+ };
+ const int * const scontrol_merge_tbl[] = {
+ /* DET */ (const int []){ 1, 0, 4, 0, -1 },
+ /* SPD */ (const int []){ 0, 2, 1, 0, -1 },
+ /* IPM */ (const int []){ 0, 1, 2, 3, 0, -1 },
+ NULL,
+ };
+ u32 v0, v1;
+
+ if (reg >= ARRAY_SIZE(piix_sidx_map))
+ return -EINVAL;
+
+ if (!(ap->flags & ATA_FLAG_SLAVE_POSS)) {
+ *val = piix_sidpr_read(&ap->link.device[0], reg);
+ return 0;
+ }
+
+ v0 = piix_sidpr_read(&ap->link.device[0], reg);
+ v1 = piix_sidpr_read(&ap->link.device[1], reg);
+
+ switch (reg) {
+ case SCR_STATUS:
+ *val = piix_merge_scr(v0, v1, sstatus_merge_tbl);
+ break;
+ case SCR_ERROR:
+ *val = v0 | v1;
+ break;
+ case SCR_CONTROL:
+ *val = piix_merge_scr(v0, v1, scontrol_merge_tbl);
+ break;
+ }
+
+ return 0;
+}
+
+static int piix_sidpr_scr_write(struct ata_port *ap, unsigned int reg, u32 val)
+{
+ if (reg >= ARRAY_SIZE(piix_sidx_map))
+ return -EINVAL;
+
+ piix_sidpr_write(&ap->link.device[0], reg, val);
+
+ if (ap->flags & ATA_FLAG_SLAVE_POSS)
+ piix_sidpr_write(&ap->link.device[1], reg, val);
+
+ return 0;
+}
+
+static int piix_sidpr_hardreset(struct ata_link *link, unsigned int *class,
+ unsigned long deadline)
+{
+ const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
+ int rc;
+
+ /* do hardreset */
+ rc = sata_link_hardreset(link, timing, deadline);
+ if (rc) {
+ ata_link_printk(link, KERN_ERR,
+ "COMRESET failed (errno=%d)\n", rc);
+ return rc;
+ }
+
+ /* TODO: phy layer with polling, timeouts, etc. */
+ if (ata_link_offline(link)) {
+ *class = ATA_DEV_NONE;
+ return 0;
+ }
+
+ return -EAGAIN;
+}
+
+static void piix_sidpr_error_handler(struct ata_port *ap)
+{
+ ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset,
+ piix_sidpr_hardreset, ata_std_postreset);
+}
+
#ifdef CONFIG_PM
static int piix_broken_suspend(void)
{
@@ -938,6 +1209,20 @@ static int piix_broken_suspend(void)
},
},
{
+ .ident = "TECRA M3",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Tecra M3"),
+ },
+ },
+ {
+ .ident = "TECRA M4",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Tecra M4"),
+ },
+ },
+ {
.ident = "TECRA M5",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
@@ -945,6 +1230,13 @@ static int piix_broken_suspend(void)
},
},
{
+ .ident = "TECRA M6",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TECRA M6"),
+ },
+ },
+ {
.ident = "TECRA M7",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
@@ -952,6 +1244,27 @@ static int piix_broken_suspend(void)
},
},
{
+ .ident = "TECRA A8",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TECRA A8"),
+ },
+ },
+ {
+ .ident = "Satellite R20",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Satellite R20"),
+ },
+ },
+ {
+ .ident = "Satellite R25",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Satellite R25"),
+ },
+ },
+ {
.ident = "Satellite U200",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
@@ -959,6 +1272,20 @@ static int piix_broken_suspend(void)
},
},
{
+ .ident = "Satellite U200",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE U200"),
+ },
+ },
+ {
+ .ident = "Satellite Pro U200",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE PRO U200"),
+ },
+ },
+ {
.ident = "Satellite U205",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
@@ -966,6 +1293,13 @@ static int piix_broken_suspend(void)
},
},
{
+ .ident = "SATELLITE U205",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE U205"),
+ },
+ },
+ {
.ident = "Portege M500",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
@@ -1057,6 +1391,11 @@ static int piix_pci_device_resume(struct pci_dev *pdev)
}
#endif
+static u8 piix_vmw_bmdma_status(struct ata_port *ap)
+{
+ return ata_bmdma_status(ap) & ~ATA_DMA_ERR;
+}
+
#define AHCI_PCI_BAR 5
#define AHCI_GLOBAL_CTL 0x04
#define AHCI_ENABLE (1 << 31)
@@ -1078,12 +1417,12 @@ static int piix_disable_ahci(struct pci_dev *pdev)
if (!mmio)
return -ENOMEM;
- tmp = readl(mmio + AHCI_GLOBAL_CTL);
+ tmp = ioread32(mmio + AHCI_GLOBAL_CTL);
if (tmp & AHCI_ENABLE) {
tmp &= ~AHCI_ENABLE;
- writel(tmp, mmio + AHCI_GLOBAL_CTL);
+ iowrite32(tmp, mmio + AHCI_GLOBAL_CTL);
- tmp = readl(mmio + AHCI_GLOBAL_CTL);
+ tmp = ioread32(mmio + AHCI_GLOBAL_CTL);
if (tmp & AHCI_ENABLE)
rc = -EIO;
}
@@ -1124,10 +1463,10 @@ static int __devinit piix_check_450nx_errata(struct pci_dev *ata_dev)
return no_piix_dma;
}
-static void __devinit piix_init_pcs(struct pci_dev *pdev,
- struct ata_port_info *pinfo,
+static void __devinit piix_init_pcs(struct ata_host *host,
const struct piix_map_db *map_db)
{
+ struct pci_dev *pdev = to_pci_dev(host->dev);
u16 pcs, new_pcs;
pci_read_config_word(pdev, ICH5_PCS, &pcs);
@@ -1141,11 +1480,10 @@ static void __devinit piix_init_pcs(struct pci_dev *pdev,
}
}
-static void __devinit piix_init_sata_map(struct pci_dev *pdev,
- struct ata_port_info *pinfo,
- const struct piix_map_db *map_db)
+static const int *__devinit piix_init_sata_map(struct pci_dev *pdev,
+ struct ata_port_info *pinfo,
+ const struct piix_map_db *map_db)
{
- struct piix_host_priv *hpriv = pinfo[0].private_data;
const int *map;
int i, invalid_map = 0;
u8 map_value;
@@ -1169,7 +1507,6 @@ static void __devinit piix_init_sata_map(struct pci_dev *pdev,
case IDE:
WARN_ON((i & 1) || map[i + 1] != IDE);
pinfo[i / 2] = piix_port_info[ich_pata_100];
- pinfo[i / 2].private_data = hpriv;
i++;
printk(" IDE IDE");
break;
@@ -1187,7 +1524,33 @@ static void __devinit piix_init_sata_map(struct pci_dev *pdev,
dev_printk(KERN_ERR, &pdev->dev,
"invalid MAP value %u\n", map_value);
- hpriv->map = map;
+ return map;
+}
+
+static void __devinit piix_init_sidpr(struct ata_host *host)
+{
+ struct pci_dev *pdev = to_pci_dev(host->dev);
+ struct piix_host_priv *hpriv = host->private_data;
+ int i;
+
+ /* check for availability */
+ for (i = 0; i < 4; i++)
+ if (hpriv->map[i] == IDE)
+ return;
+
+ if (!(host->ports[0]->flags & PIIX_FLAG_SIDPR))
+ return;
+
+ if (pci_resource_start(pdev, PIIX_SIDPR_BAR) == 0 ||
+ pci_resource_len(pdev, PIIX_SIDPR_BAR) != PIIX_SIDPR_LEN)
+ return;
+
+ if (pcim_iomap_regions(pdev, 1 << PIIX_SIDPR_BAR, DRV_NAME))
+ return;
+
+ hpriv->sidpr = pcim_iomap_table(pdev)[PIIX_SIDPR_BAR];
+ host->ports[0]->ops = &piix_sidpr_sata_ops;
+ host->ports[1]->ops = &piix_sidpr_sata_ops;
}
static void piix_iocfg_bit18_quirk(struct pci_dev *pdev)
@@ -1246,8 +1609,10 @@ static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
struct device *dev = &pdev->dev;
struct ata_port_info port_info[2];
const struct ata_port_info *ppi[] = { &port_info[0], &port_info[1] };
- struct piix_host_priv *hpriv;
unsigned long port_flags;
+ struct ata_host *host;
+ struct piix_host_priv *hpriv;
+ int rc;
if (!printed_version++)
dev_printk(KERN_DEBUG, &pdev->dev,
@@ -1257,17 +1622,31 @@ static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (!in_module_init)
return -ENODEV;
+ port_info[0] = piix_port_info[ent->driver_data];
+ port_info[1] = piix_port_info[ent->driver_data];
+
+ port_flags = port_info[0].flags;
+
+ /* enable device and prepare host */
+ rc = pcim_enable_device(pdev);
+ if (rc)
+ return rc;
+
+ /* SATA map init can change port_info, do it before prepping host */
hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
if (!hpriv)
return -ENOMEM;
- port_info[0] = piix_port_info[ent->driver_data];
- port_info[1] = piix_port_info[ent->driver_data];
- port_info[0].private_data = hpriv;
- port_info[1].private_data = hpriv;
+ if (port_flags & ATA_FLAG_SATA)
+ hpriv->map = piix_init_sata_map(pdev, port_info,
+ piix_map_db_table[ent->driver_data]);
- port_flags = port_info[0].flags;
+ rc = ata_pci_prepare_sff_host(pdev, ppi, &host);
+ if (rc)
+ return rc;
+ host->private_data = hpriv;
+ /* initialize controller */
if (port_flags & PIIX_FLAG_AHCI) {
u8 tmp;
pci_read_config_byte(pdev, PIIX_SCC, &tmp);
@@ -1278,12 +1657,9 @@ static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
}
}
- /* Initialize SATA map */
if (port_flags & ATA_FLAG_SATA) {
- piix_init_sata_map(pdev, port_info,
- piix_map_db_table[ent->driver_data]);
- piix_init_pcs(pdev, port_info,
- piix_map_db_table[ent->driver_data]);
+ piix_init_pcs(host, piix_map_db_table[ent->driver_data]);
+ piix_init_sidpr(host);
}
/* apply IOCFG bit18 quirk */
@@ -1302,12 +1678,14 @@ static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
/* This writes into the master table but it does not
really matter for this errata as we will apply it to
all the PIIX devices on the board */
- port_info[0].mwdma_mask = 0;
- port_info[0].udma_mask = 0;
- port_info[1].mwdma_mask = 0;
- port_info[1].udma_mask = 0;
+ host->ports[0]->mwdma_mask = 0;
+ host->ports[0]->udma_mask = 0;
+ host->ports[1]->mwdma_mask = 0;
+ host->ports[1]->udma_mask = 0;
}
- return ata_pci_init_one(pdev, ppi);
+
+ pci_set_master(pdev);
+ return ata_pci_activate_sff_host(host, ata_interrupt, &piix_sht);
}
static int __init piix_init(void)