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-rw-r--r--drivers/ata/Kconfig35
-rw-r--r--drivers/ata/Makefile4
-rw-r--r--drivers/ata/ahci.c229
-rw-r--r--drivers/ata/ata_generic.c11
-rw-r--r--drivers/ata/ata_piix.c194
-rw-r--r--drivers/ata/libata-core.c536
-rw-r--r--drivers/ata/libata-eh.c108
-rw-r--r--drivers/ata/libata-scsi.c328
-rw-r--r--drivers/ata/libata-sff.c43
-rw-r--r--drivers/ata/libata.h24
-rw-r--r--drivers/ata/pata_ali.c140
-rw-r--r--drivers/ata/pata_amd.c26
-rw-r--r--drivers/ata/pata_artop.c1
-rw-r--r--drivers/ata/pata_atiixp.c9
-rw-r--r--drivers/ata/pata_cmd64x.c23
-rw-r--r--drivers/ata/pata_cs5520.c25
-rw-r--r--drivers/ata/pata_cs5530.c100
-rw-r--r--drivers/ata/pata_cs5535.c9
-rw-r--r--drivers/ata/pata_cypress.c9
-rw-r--r--drivers/ata/pata_efar.c7
-rw-r--r--drivers/ata/pata_hpt366.c58
-rw-r--r--drivers/ata/pata_hpt37x.c1
-rw-r--r--drivers/ata/pata_hpt3x2n.c1
-rw-r--r--drivers/ata/pata_hpt3x3.c47
-rw-r--r--drivers/ata/pata_isapnp.c1
-rw-r--r--drivers/ata/pata_it821x.c19
-rw-r--r--drivers/ata/pata_ixp4xx_cf.c271
-rw-r--r--drivers/ata/pata_jmicron.c36
-rw-r--r--drivers/ata/pata_legacy.c1
-rw-r--r--drivers/ata/pata_marvell.c224
-rw-r--r--drivers/ata/pata_mpiix.c9
-rw-r--r--drivers/ata/pata_netcell.c8
-rw-r--r--drivers/ata/pata_ns87410.c9
-rw-r--r--drivers/ata/pata_oldpiix.c5
-rw-r--r--drivers/ata/pata_opti.c34
-rw-r--r--drivers/ata/pata_optidma.c9
-rw-r--r--drivers/ata/pata_pcmcia.c1
-rw-r--r--drivers/ata/pata_pdc2027x.c3
-rw-r--r--drivers/ata/pata_pdc202xx_old.c65
-rw-r--r--drivers/ata/pata_platform.c295
-rw-r--r--drivers/ata/pata_qdi.c1
-rw-r--r--drivers/ata/pata_radisys.c5
-rw-r--r--drivers/ata/pata_rz1000.c49
-rw-r--r--drivers/ata/pata_sc1200.c9
-rw-r--r--drivers/ata/pata_serverworks.c33
-rw-r--r--drivers/ata/pata_sil680.c83
-rw-r--r--drivers/ata/pata_sis.c7
-rw-r--r--drivers/ata/pata_sl82c105.c1
-rw-r--r--drivers/ata/pata_triflex.c9
-rw-r--r--drivers/ata/pata_via.c109
-rw-r--r--drivers/ata/pata_winbond.c306
-rw-r--r--drivers/ata/sata_nv.c1044
-rw-r--r--drivers/ata/sata_promise.c46
-rw-r--r--drivers/ata/sata_sil.c16
-rw-r--r--drivers/ata/sata_sil24.c18
-rw-r--r--drivers/ata/sata_sis.c17
-rw-r--r--include/asm-arm/arch-ixp4xx/platform.h13
-rw-r--r--include/linux/ata.h14
-rw-r--r--include/linux/libata.h52
-rw-r--r--include/linux/pata_platform.h13
60 files changed, 3822 insertions, 981 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 03f6338acc8..984ab284382 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -328,6 +328,15 @@ config PATA_TRIFLEX
If unsure, say N.
+config PATA_MARVELL
+ tristate "Marvell PATA support via legacy mode"
+ depends on PCI
+ help
+ This option enables limited support for the Marvell 88SE6145 ATA
+ controller.
+
+ If unsure, say N.
+
config PATA_MPIIX
tristate "Intel PATA MPIIX support"
depends on PCI
@@ -483,6 +492,32 @@ config PATA_WINBOND
If unsure, say N.
+config PATA_WINBOND_VLB
+ tristate "Winbond W83759A VLB PATA support (Experimental)"
+ depends on ISA && EXPERIMENTAL
+ help
+ Support for the Winbond W83759A controller on Vesa Local Bus
+ systems.
+
+config PATA_PLATFORM
+ tristate "Generic platform device PATA support"
+ depends on EMBEDDED
+ help
+ This option enables support for generic directly connected ATA
+ devices commonly found on embedded systems.
+
+ If unsure, say N.
+
+config PATA_IXP4XX_CF
+ tristate "IXP4XX Compact Flash support"
+ depends on ARCH_IXP4XX
+ help
+ This option enables support for a Compact Flash connected on
+ the ixp4xx expansion bus. This driver had been written for
+ Loft/Avila boards in mind but can work with others.
+
+ If unsure, say N.
+
endif
endmenu
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index 72243a677f9..bc3d81ae757 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -38,6 +38,7 @@ obj-$(CONFIG_PATA_NETCELL) += pata_netcell.o
obj-$(CONFIG_PATA_NS87410) += pata_ns87410.o
obj-$(CONFIG_PATA_OPTI) += pata_opti.o
obj-$(CONFIG_PATA_OPTIDMA) += pata_optidma.o
+obj-$(CONFIG_PATA_MARVELL) += pata_marvell.o
obj-$(CONFIG_PATA_MPIIX) += pata_mpiix.o
obj-$(CONFIG_PATA_OLDPIIX) += pata_oldpiix.o
obj-$(CONFIG_PATA_PCMCIA) += pata_pcmcia.o
@@ -51,8 +52,11 @@ obj-$(CONFIG_PATA_SERVERWORKS) += pata_serverworks.o
obj-$(CONFIG_PATA_SIL680) += pata_sil680.o
obj-$(CONFIG_PATA_VIA) += pata_via.o
obj-$(CONFIG_PATA_WINBOND) += pata_sl82c105.o
+obj-$(CONFIG_PATA_WINBOND_VLB) += pata_winbond.o
obj-$(CONFIG_PATA_SIS) += pata_sis.o
obj-$(CONFIG_PATA_TRIFLEX) += pata_triflex.o
+obj-$(CONFIG_PATA_IXP4XX_CF) += pata_ixp4xx_cf.o
+obj-$(CONFIG_PATA_PLATFORM) += pata_platform.o
# Should be last but one libata driver
obj-$(CONFIG_ATA_GENERIC) += ata_generic.o
# Should be last libata driver
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index bddb14e91d3..f36da488a2c 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -53,6 +53,7 @@
enum {
AHCI_PCI_BAR = 5,
+ AHCI_MAX_PORTS = 32,
AHCI_MAX_SG = 168, /* hardware max is 64K */
AHCI_DMA_BOUNDARY = 0xffffffff,
AHCI_USE_CLUSTERING = 0,
@@ -77,8 +78,9 @@ enum {
RX_FIS_UNK = 0x60, /* offset of Unknown FIS data */
board_ahci = 0,
- board_ahci_vt8251 = 1,
- board_ahci_ign_iferr = 2,
+ board_ahci_pi = 1,
+ board_ahci_vt8251 = 2,
+ board_ahci_ign_iferr = 3,
/* global controller registers */
HOST_CAP = 0x00, /* host capabilities */
@@ -167,9 +169,9 @@ enum {
AHCI_FLAG_MSI = (1 << 0),
/* ap->flags bits */
- AHCI_FLAG_RESET_NEEDS_CLO = (1 << 24),
- AHCI_FLAG_NO_NCQ = (1 << 25),
- AHCI_FLAG_IGN_IRQ_IF_ERR = (1 << 26), /* ignore IRQ_IF_ERR */
+ AHCI_FLAG_NO_NCQ = (1 << 24),
+ AHCI_FLAG_IGN_IRQ_IF_ERR = (1 << 25), /* ignore IRQ_IF_ERR */
+ AHCI_FLAG_HONOR_PI = (1 << 26), /* honor PORTS_IMPL */
};
struct ahci_cmd_hdr {
@@ -216,6 +218,7 @@ static u8 ahci_check_status(struct ata_port *ap);
static void ahci_freeze(struct ata_port *ap);
static void ahci_thaw(struct ata_port *ap);
static void ahci_error_handler(struct ata_port *ap);
+static void ahci_vt8251_error_handler(struct ata_port *ap);
static void ahci_post_internal_cmd(struct ata_queued_cmd *qc);
static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg);
static int ahci_port_resume(struct ata_port *ap);
@@ -275,6 +278,37 @@ static const struct ata_port_operations ahci_ops = {
.port_stop = ahci_port_stop,
};
+static const struct ata_port_operations ahci_vt8251_ops = {
+ .port_disable = ata_port_disable,
+
+ .check_status = ahci_check_status,
+ .check_altstatus = ahci_check_status,
+ .dev_select = ata_noop_dev_select,
+
+ .tf_read = ahci_tf_read,
+
+ .qc_prep = ahci_qc_prep,
+ .qc_issue = ahci_qc_issue,
+
+ .irq_handler = ahci_interrupt,
+ .irq_clear = ahci_irq_clear,
+
+ .scr_read = ahci_scr_read,
+ .scr_write = ahci_scr_write,
+
+ .freeze = ahci_freeze,
+ .thaw = ahci_thaw,
+
+ .error_handler = ahci_vt8251_error_handler,
+ .post_internal_cmd = ahci_post_internal_cmd,
+
+ .port_suspend = ahci_port_suspend,
+ .port_resume = ahci_port_resume,
+
+ .port_start = ahci_port_start,
+ .port_stop = ahci_port_stop,
+};
+
static const struct ata_port_info ahci_port_info[] = {
/* board_ahci */
{
@@ -286,16 +320,26 @@ static const struct ata_port_info ahci_port_info[] = {
.udma_mask = 0x7f, /* udma0-6 ; FIXME */
.port_ops = &ahci_ops,
},
+ /* board_ahci_pi */
+ {
+ .sht = &ahci_sht,
+ .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
+ ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
+ ATA_FLAG_SKIP_D2H_BSY | AHCI_FLAG_HONOR_PI,
+ .pio_mask = 0x1f, /* pio0-4 */
+ .udma_mask = 0x7f, /* udma0-6 ; FIXME */
+ .port_ops = &ahci_ops,
+ },
/* board_ahci_vt8251 */
{
.sht = &ahci_sht,
.flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
ATA_FLAG_SKIP_D2H_BSY |
- AHCI_FLAG_RESET_NEEDS_CLO | AHCI_FLAG_NO_NCQ,
+ ATA_FLAG_HRST_TO_RESUME | AHCI_FLAG_NO_NCQ,
.pio_mask = 0x1f, /* pio0-4 */
.udma_mask = 0x7f, /* udma0-6 ; FIXME */
- .port_ops = &ahci_ops,
+ .port_ops = &ahci_vt8251_ops,
},
/* board_ahci_ign_iferr */
{
@@ -322,22 +366,22 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
{ PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
{ PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
- { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
- { PCI_VDEVICE(INTEL, 0x2822), board_ahci }, /* ICH8 */
- { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
- { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
- { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
- { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
- { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
- { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
- { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
- { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
- { PCI_VDEVICE(INTEL, 0x2929), board_ahci }, /* ICH9M */
- { PCI_VDEVICE(INTEL, 0x292a), board_ahci }, /* ICH9M */
- { PCI_VDEVICE(INTEL, 0x292b), board_ahci }, /* ICH9M */
- { PCI_VDEVICE(INTEL, 0x292f), board_ahci }, /* ICH9M */
- { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
- { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */
+ { PCI_VDEVICE(INTEL, 0x2821), board_ahci_pi }, /* ICH8 */
+ { PCI_VDEVICE(INTEL, 0x2822), board_ahci_pi }, /* ICH8 */
+ { PCI_VDEVICE(INTEL, 0x2824), board_ahci_pi }, /* ICH8 */
+ { PCI_VDEVICE(INTEL, 0x2829), board_ahci_pi }, /* ICH8M */
+ { PCI_VDEVICE(INTEL, 0x282a), board_ahci_pi }, /* ICH8M */
+ { PCI_VDEVICE(INTEL, 0x2922), board_ahci_pi }, /* ICH9 */
+ { PCI_VDEVICE(INTEL, 0x2923), board_ahci_pi }, /* ICH9 */
+ { PCI_VDEVICE(INTEL, 0x2924), board_ahci_pi }, /* ICH9 */
+ { PCI_VDEVICE(INTEL, 0x2925), board_ahci_pi }, /* ICH9 */
+ { PCI_VDEVICE(INTEL, 0x2927), board_ahci_pi }, /* ICH9 */
+ { PCI_VDEVICE(INTEL, 0x2929), board_ahci_pi }, /* ICH9M */
+ { PCI_VDEVICE(INTEL, 0x292a), board_ahci_pi }, /* ICH9M */
+ { PCI_VDEVICE(INTEL, 0x292b), board_ahci_pi }, /* ICH9M */
+ { PCI_VDEVICE(INTEL, 0x292f), board_ahci_pi }, /* ICH9M */
+ { PCI_VDEVICE(INTEL, 0x294d), board_ahci_pi }, /* ICH9 */
+ { PCI_VDEVICE(INTEL, 0x294e), board_ahci_pi }, /* ICH9M */
/* JMicron */
{ PCI_VDEVICE(JMICRON, 0x2360), board_ahci_ign_iferr }, /* JMB360 */
@@ -372,6 +416,10 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 966 */
{ PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
+ /* Generic, PCI class code for AHCI */
+ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+ 0x010601, 0xffffff, board_ahci },
+
{ } /* terminate list */
};
@@ -386,6 +434,11 @@ static struct pci_driver ahci_pci_driver = {
};
+static inline int ahci_nr_ports(u32 cap)
+{
+ return (cap & 0x1f) + 1;
+}
+
static inline unsigned long ahci_port_base_ul (unsigned long base, unsigned int port)
{
return base + 0x100 + (port * 0x80);
@@ -559,9 +612,6 @@ static void ahci_power_down(void __iomem *port_mmio, u32 cap)
static void ahci_init_port(void __iomem *port_mmio, u32 cap,
dma_addr_t cmd_slot_dma, dma_addr_t rx_fis_dma)
{
- /* power up */
- ahci_power_up(port_mmio, cap);
-
/* enable FIS reception */
ahci_start_fis_rx(port_mmio, cap, cmd_slot_dma, rx_fis_dma);
@@ -587,19 +637,17 @@ static int ahci_deinit_port(void __iomem *port_mmio, u32 cap, const char **emsg)
return rc;
}
- /* put device into slumber mode */
- ahci_power_down(port_mmio, cap);
-
return 0;
}
static int ahci_reset_controller(void __iomem *mmio, struct pci_dev *pdev)
{
- u32 cap_save, tmp;
+ u32 cap_save, impl_save, tmp;
cap_save = readl(mmio + HOST_CAP);
cap_save &= ( (1<<28) | (1<<17) );
cap_save |= (1 << 27);
+ impl_save = readl(mmio + HOST_PORTS_IMPL);
/* global controller reset */
tmp = readl(mmio + HOST_CTL);
@@ -620,10 +668,21 @@ static int ahci_reset_controller(void __iomem *mmio, struct pci_dev *pdev)
return -EIO;
}
+ /* turn on AHCI mode */
writel(HOST_AHCI_EN, mmio + HOST_CTL);
(void) readl(mmio + HOST_CTL); /* flush */
+
+ /* These write-once registers are normally cleared on reset.
+ * Restore BIOS values... which we HOPE were present before
+ * reset.
+ */
+ if (!impl_save) {
+ impl_save = (1 << ahci_nr_ports(cap_save)) - 1;
+ dev_printk(KERN_WARNING, &pdev->dev,
+ "PORTS_IMPL is zero, forcing 0x%x\n", impl_save);
+ }
writel(cap_save, mmio + HOST_CAP);
- writel(0xf, mmio + HOST_PORTS_IMPL);
+ writel(impl_save, mmio + HOST_PORTS_IMPL);
(void) readl(mmio + HOST_PORTS_IMPL); /* flush */
if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
@@ -639,7 +698,8 @@ static int ahci_reset_controller(void __iomem *mmio, struct pci_dev *pdev)
}
static void ahci_init_controller(void __iomem *mmio, struct pci_dev *pdev,
- int n_ports, u32 cap)
+ int n_ports, unsigned int port_flags,
+ struct ahci_host_priv *hpriv)
{
int i, rc;
u32 tmp;
@@ -648,13 +708,12 @@ static void ahci_init_controller(void __iomem *mmio, struct pci_dev *pdev,
void __iomem *port_mmio = ahci_port_base(mmio, i);
const char *emsg = NULL;
-#if 0 /* BIOSen initialize this incorrectly */
- if (!(hpriv->port_map & (1 << i)))
+ if ((port_flags & AHCI_FLAG_HONOR_PI) &&
+ !(hpriv->port_map & (1 << i)))
continue;
-#endif
/* make sure port is not active */
- rc = ahci_deinit_port(port_mmio, cap, &emsg);
+ rc = ahci_deinit_port(port_mmio, hpriv->cap, &emsg);
if (rc)
dev_printk(KERN_WARNING, &pdev->dev,
"%s (%d)\n", emsg, rc);
@@ -729,17 +788,6 @@ static int ahci_clo(struct ata_port *ap)
return 0;
}
-static int ahci_prereset(struct ata_port *ap)
-{
- if ((ap->flags & AHCI_FLAG_RESET_NEEDS_CLO) &&
- (ata_busy_wait(ap, ATA_BUSY, 1000) & ATA_BUSY)) {
- /* ATA_BUSY hasn't cleared, so send a CLO */
- ahci_clo(ap);
- }
-
- return ata_std_prereset(ap);
-}
-
static int ahci_softreset(struct ata_port *ap, unsigned int *class)
{
struct ahci_port_priv *pp = ap->private_data;
@@ -877,6 +925,31 @@ static int ahci_hardreset(struct ata_port *ap, unsigned int *class)
return rc;
}
+static int ahci_vt8251_hardreset(struct ata_port *ap, unsigned int *class)
+{
+ void __iomem *mmio = ap->host->mmio_base;
+ void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
+ int rc;
+
+ DPRINTK("ENTER\n");
+
+ ahci_stop_engine(port_mmio);
+
+ rc = sata_port_hardreset(ap, sata_ehc_deb_timing(&ap->eh_context));
+
+ /* vt8251 needs SError cleared for the port to operate */
+ ahci_scr_write(ap, SCR_ERROR, ahci_scr_read(ap, SCR_ERROR));
+
+ ahci_start_engine(port_mmio);
+
+ DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
+
+ /* vt8251 doesn't clear BSY on signature FIS reception,
+ * request follow-up softreset.
+ */
+ return rc ?: -EAGAIN;
+}
+
static void ahci_postreset(struct ata_port *ap, unsigned int *class)
{
void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr;
@@ -1196,7 +1269,23 @@ static void ahci_error_handler(struct ata_port *ap)
}
/* perform recovery */
- ata_do_eh(ap, ahci_prereset, ahci_softreset, ahci_hardreset,
+ ata_do_eh(ap, ata_std_prereset, ahci_softreset, ahci_hardreset,
+ ahci_postreset);
+}
+
+static void ahci_vt8251_error_handler(struct ata_port *ap)
+{
+ void __iomem *mmio = ap->host->mmio_base;
+ void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
+
+ if (!(ap->pflags & ATA_PFLAG_FROZEN)) {
+ /* restart engine */
+ ahci_stop_engine(port_mmio);
+ ahci_start_engine(port_mmio);
+ }
+
+ /* perform recovery */
+ ata_do_eh(ap, ata_std_prereset, ahci_softreset, ahci_vt8251_hardreset,
ahci_postreset);
}
@@ -1226,7 +1315,9 @@ static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg)
int rc;
rc = ahci_deinit_port(port_mmio, hpriv->cap, &emsg);
- if (rc) {
+ if (rc == 0)
+ ahci_power_down(port_mmio, hpriv->cap);
+ else {
ata_port_printk(ap, KERN_ERR, "%s (%d)\n", emsg, rc);
ahci_init_port(port_mmio, hpriv->cap,
pp->cmd_slot_dma, pp->rx_fis_dma);
@@ -1242,6 +1333,7 @@ static int ahci_port_resume(struct ata_port *ap)
void __iomem *mmio = ap->host->mmio_base;
void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no);
+ ahci_power_up(port_mmio, hpriv->cap);
ahci_init_port(port_mmio, hpriv->cap, pp->cmd_slot_dma, pp->rx_fis_dma);
return 0;
@@ -1281,7 +1373,8 @@ static int ahci_pci_device_resume(struct pci_dev *pdev)
if (rc)
return rc;
- ahci_init_controller(mmio, pdev, host->n_ports, hpriv->cap);
+ ahci_init_controller(mmio, pdev, host->n_ports,
+ host->ports[0]->flags, hpriv);
}
ata_host_resume(host);
@@ -1347,6 +1440,9 @@ static int ahci_port_start(struct ata_port *ap)
ap->private_data = pp;
+ /* power up port */
+ ahci_power_up(port_mmio, hpriv->cap);
+
/* initialize port */
ahci_init_port(port_mmio, hpriv->cap, pp->cmd_slot_dma, pp->rx_fis_dma);
@@ -1393,7 +1489,7 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent)
struct ahci_host_priv *hpriv = probe_ent->private_data;
struct pci_dev *pdev = to_pci_dev(probe_ent->dev);
void __iomem *mmio = probe_ent->mmio_base;
- unsigned int i, using_dac;
+ unsigned int i, cap_n_ports, using_dac;
int rc;
rc = ahci_reset_controller(mmio, pdev);
@@ -1402,10 +1498,34 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent)
hpriv->cap = readl(mmio + HOST_CAP);
hpriv->port_map = readl(mmio + HOST_PORTS_IMPL);
- probe_ent->n_ports = (hpriv->cap & 0x1f) + 1;
+ cap_n_ports = ahci_nr_ports(hpriv->cap);
VPRINTK("cap 0x%x port_map 0x%x n_ports %d\n",
- hpriv->cap, hpriv->port_map, probe_ent->n_ports);
+ hpriv->cap, hpriv->port_map, cap_n_ports);
+
+ if (probe_ent->port_flags & AHCI_FLAG_HONOR_PI) {
+ unsigned int n_ports = cap_n_ports;
+ u32 port_map = hpriv->port_map;
+ int max_port = 0;
+
+ for (i = 0; i < AHCI_MAX_PORTS && n_ports; i++) {
+ if (port_map & (1 << i)) {
+ n_ports--;
+ port_map &= ~(1 << i);
+ max_port = i;
+ } else
+ probe_ent->dummy_port_mask |= 1 << i;
+ }
+
+ if (n_ports || port_map)
+ dev_printk(KERN_WARNING, &pdev->dev,
+ "nr_ports (%u) and implemented port map "
+ "(0x%x) don't match\n",
+ cap_n_ports, hpriv->port_map);
+
+ probe_ent->n_ports = max_port + 1;
+ } else
+ probe_ent->n_ports = cap_n_ports;
using_dac = hpriv->cap & HOST_CAP_64;
if (using_dac &&
@@ -1437,7 +1557,8 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent)
for (i = 0; i < probe_ent->n_ports; i++)
ahci_setup_port(&probe_ent->port[i], (unsigned long) mmio, i);
- ahci_init_controller(mmio, pdev, probe_ent->n_ports, hpriv->cap);
+ ahci_init_controller(mmio, pdev, probe_ent->n_ports,
+ probe_ent->port_flags, hpriv);
pci_set_master(pdev);
diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c
index 4a80ff9312b..908751d27e7 100644
--- a/drivers/ata/ata_generic.c
+++ b/drivers/ata/ata_generic.c
@@ -26,7 +26,7 @@
#include <linux/libata.h>
#define DRV_NAME "ata_generic"
-#define DRV_VERSION "0.2.6"
+#define DRV_VERSION "0.2.10"
/*
* A generic parallel ATA driver using libata
@@ -109,7 +109,6 @@ static struct scsi_host_template generic_sht = {
.can_queue = ATA_DEF_QUEUE,
.this_id = ATA_SHT_THIS_ID,
.sg_tablesize = LIBATA_MAX_PRD,
- .max_sectors = ATA_MAX_SECTORS,
.cmd_per_lun = ATA_SHT_CMD_PER_LUN,
.emulated = ATA_SHT_EMULATED,
.use_clustering = ATA_SHT_USE_CLUSTERING,
@@ -118,6 +117,8 @@ static struct scsi_host_template generic_sht = {
.slave_configure = ata_scsi_slave_config,
.slave_destroy = ata_scsi_slave_destroy,
.bios_param = ata_std_bios_param,
+ .resume = ata_scsi_device_resume,
+ .suspend = ata_scsi_device_suspend,
};
static struct ata_port_operations generic_port_ops = {
@@ -226,12 +227,14 @@ static struct pci_driver ata_generic_pci_driver = {
.name = DRV_NAME,
.id_table = ata_generic,
.probe = ata_generic_init_one,
- .remove = ata_pci_remove_one
+ .remove = ata_pci_remove_one,
+ .suspend = ata_pci_device_suspend,
+ .resume = ata_pci_device_resume,
};
static int __init ata_generic_init(void)
{
- return pci_module_init(&ata_generic_pci_driver);
+ return pci_register_driver(&ata_generic_pci_driver);
}
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 720174d628f..c7de0bb1591 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -40,7 +40,7 @@
* Documentation
* Publically available from Intel web site. Errata documentation
* is also publically available. As an aide to anyone hacking on this
- * driver the list of errata that are relevant is below.going back to
+ * driver the list of errata that are relevant is below, going back to
* PIIX4. Older device documentation is now a bit tricky to find.
*
* The chipsets all follow very much the same design. The orginal Triton
@@ -93,7 +93,7 @@
#include <linux/libata.h>
#define DRV_NAME "ata_piix"
-#define DRV_VERSION "2.00ac6"
+#define DRV_VERSION "2.00ac7"
enum {
PIIX_IOCFG = 0x54, /* IDE I/O configuration register */
@@ -101,11 +101,13 @@ enum {
ICH5_PCS = 0x92, /* port control and status */
PIIX_SCC = 0x0A, /* sub-class code register */
- PIIX_FLAG_IGNORE_PCS = (1 << 25), /* ignore PCS present bits */
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_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.
*/
@@ -122,11 +124,10 @@ enum {
ich_pata_100 = 3, /* ICH up to UDMA 100 */
ich_pata_133 = 4, /* ICH up to UDMA 133 */
ich5_sata = 5,
- esb_sata = 6,
- ich6_sata = 7,
- ich6_sata_ahci = 8,
- ich6m_sata_ahci = 9,
- ich8_sata_ahci = 10,
+ ich6_sata = 6,
+ ich6_sata_ahci = 7,
+ ich6m_sata_ahci = 8,
+ ich8_sata_ahci = 9,
/* constants for mapping table */
P0 = 0, /* port 0 */
@@ -143,13 +144,11 @@ enum {
struct piix_map_db {
const u32 mask;
const u16 port_enable;
- const int present_shift;
const int map[][4];
};
struct piix_host_priv {
const int *map;
- const struct piix_map_db *map_db;
};
static int piix_init_one (struct pci_dev *pdev,
@@ -214,9 +213,9 @@ static const struct pci_device_id piix_pci_tbl[] = {
/* 82801EB (ICH5) */
{ 0x8086, 0x24df, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata },
/* 6300ESB (ICH5 variant with broken PCS present bits) */
- { 0x8086, 0x25a3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, esb_sata },
+ { 0x8086, 0x25a3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata },
/* 6300ESB pretending RAID */
- { 0x8086, 0x25b0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, esb_sata },
+ { 0x8086, 0x25b0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata },
/* 82801FB/FW (ICH6/ICH6W) */
{ 0x8086, 0x2651, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata },
/* 82801FR/FRW (ICH6R/ICH6RW) */
@@ -367,7 +366,6 @@ static const struct ata_port_operations piix_sata_ops = {
static const struct piix_map_db ich5_map_db = {
.mask = 0x7,
.port_enable = 0x3,
- .present_shift = 4,
.map = {
/* PM PS SM SS MAP */
{ P0, NA, P1, NA }, /* 000b */