diff options
Diffstat (limited to 'drivers/ata')
-rw-r--r-- | drivers/ata/Kconfig | 10 | ||||
-rw-r--r-- | drivers/ata/ahci.c | 168 | ||||
-rw-r--r-- | drivers/ata/ata_piix.c | 16 | ||||
-rw-r--r-- | drivers/ata/libata-acpi.c | 165 | ||||
-rw-r--r-- | drivers/ata/libata-core.c | 6 | ||||
-rw-r--r-- | drivers/ata/libata-pmp.c | 7 | ||||
-rw-r--r-- | drivers/ata/libata-scsi.c | 19 | ||||
-rw-r--r-- | drivers/ata/libata-sff.c | 115 | ||||
-rw-r--r-- | drivers/ata/libata.h | 2 | ||||
-rw-r--r-- | drivers/ata/pata_icside.c | 2 | ||||
-rw-r--r-- | drivers/ata/pata_pcmcia.c | 2 | ||||
-rw-r--r-- | drivers/ata/pata_rb532_cf.c | 4 | ||||
-rw-r--r-- | drivers/ata/pata_scc.c | 5 | ||||
-rw-r--r-- | drivers/ata/sata_fsl.c | 224 | ||||
-rw-r--r-- | drivers/ata/sata_mv.c | 122 |
15 files changed, 632 insertions, 235 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 9bf2986a278..ae8494944c4 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -651,9 +651,17 @@ config PATA_WINBOND_VLB Support for the Winbond W83759A controller on Vesa Local Bus systems. +config HAVE_PATA_PLATFORM + bool + help + This is an internal configuration node for any machine that + uses pata-platform driver to enable the relevant driver in the + configuration structure without having to submit endless patches + to update the PATA_PLATFORM entry. + config PATA_PLATFORM tristate "Generic platform device PATA support" - depends on EMBEDDED || ARCH_RPC || PPC + depends on EMBEDDED || ARCH_RPC || PPC || HAVE_PATA_PLATFORM help This option enables support for generic directly connected ATA devices commonly found on embedded systems. diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 97f83fb2ee2..6a4a2a25d97 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -89,6 +89,8 @@ enum { board_ahci_sb600 = 3, board_ahci_mv = 4, board_ahci_sb700 = 5, + board_ahci_mcp65 = 6, + board_ahci_nopmp = 7, /* global controller registers */ HOST_CAP = 0x00, /* host capabilities */ @@ -190,6 +192,7 @@ enum { AHCI_HFLAG_NO_PMP = (1 << 6), /* no PMP */ AHCI_HFLAG_NO_HOTPLUG = (1 << 7), /* ignore PxSERR.DIAG.N */ AHCI_HFLAG_SECT255 = (1 << 8), /* max 255 sectors */ + AHCI_HFLAG_YES_NCQ = (1 << 9), /* force NCQ cap on */ /* ap->flags bits */ @@ -253,6 +256,8 @@ static void ahci_pmp_attach(struct ata_port *ap); static void ahci_pmp_detach(struct ata_port *ap); static int ahci_softreset(struct ata_link *link, unsigned int *class, unsigned long deadline); +static int ahci_sb600_softreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); static int ahci_hardreset(struct ata_link *link, unsigned int *class, unsigned long deadline); static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class, @@ -329,6 +334,12 @@ static struct ata_port_operations ahci_p5wdh_ops = { .hardreset = ahci_p5wdh_hardreset, }; +static struct ata_port_operations ahci_sb600_ops = { + .inherits = &ahci_ops, + .softreset = ahci_sb600_softreset, + .pmp_softreset = ahci_sb600_softreset, +}; + #define AHCI_HFLAGS(flags) .private_data = (void *)(flags) static const struct ata_port_info ahci_port_info[] = { @@ -359,11 +370,11 @@ static const struct ata_port_info ahci_port_info[] = { { AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL | AHCI_HFLAG_32BIT_ONLY | AHCI_HFLAG_NO_MSI | - AHCI_HFLAG_SECT255 | AHCI_HFLAG_NO_PMP), + AHCI_HFLAG_SECT255), .flags = AHCI_FLAG_COMMON, .pio_mask = 0x1f, /* pio0-4 */ .udma_mask = ATA_UDMA6, - .port_ops = &ahci_ops, + .port_ops = &ahci_sb600_ops, }, /* board_ahci_mv */ { @@ -377,8 +388,23 @@ static const struct ata_port_info ahci_port_info[] = { }, /* board_ahci_sb700 */ { - AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL | - AHCI_HFLAG_NO_PMP), + AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL), + .flags = AHCI_FLAG_COMMON, + .pio_mask = 0x1f, /* pio0-4 */ + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_sb600_ops, + }, + /* board_ahci_mcp65 */ + { + AHCI_HFLAGS (AHCI_HFLAG_YES_NCQ), + .flags = AHCI_FLAG_COMMON, + .pio_mask = 0x1f, /* pio0-4 */ + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, + /* board_ahci_nopmp */ + { + AHCI_HFLAGS (AHCI_HFLAG_NO_PMP), .flags = AHCI_FLAG_COMMON, .pio_mask = 0x1f, /* pio0-4 */ .udma_mask = ATA_UDMA6, @@ -438,14 +464,14 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */ /* NVIDIA */ - { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci }, /* MCP65 */ - { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci }, /* MCP65 */ - { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci }, /* MCP65 */ - { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci }, /* MCP65 */ - { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci }, /* MCP65 */ - { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci }, /* MCP65 */ - { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci }, /* MCP65 */ - { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci }, /* MCP65 */ + { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */ + { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */ + { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */ + { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */ + { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */ + { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */ + { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */ + { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */ { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci }, /* MCP67 */ { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci }, /* MCP67 */ { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci }, /* MCP67 */ @@ -502,15 +528,15 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(NVIDIA, 0x0bcd), board_ahci }, /* MCP7B */ { PCI_VDEVICE(NVIDIA, 0x0bce), board_ahci }, /* MCP7B */ { PCI_VDEVICE(NVIDIA, 0x0bcf), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bd0), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bd1), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bd2), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bd3), board_ahci }, /* MCP7B */ + { PCI_VDEVICE(NVIDIA, 0x0bc4), board_ahci }, /* MCP7B */ + { PCI_VDEVICE(NVIDIA, 0x0bc5), board_ahci }, /* MCP7B */ + { PCI_VDEVICE(NVIDIA, 0x0bc6), board_ahci }, /* MCP7B */ + { PCI_VDEVICE(NVIDIA, 0x0bc7), board_ahci }, /* MCP7B */ /* SiS */ - { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */ - { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 966 */ - { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */ + { PCI_VDEVICE(SI, 0x1184), board_ahci_nopmp }, /* SiS 966 */ + { PCI_VDEVICE(SI, 0x1185), board_ahci_nopmp }, /* SiS 968 */ + { PCI_VDEVICE(SI, 0x0186), board_ahci_nopmp }, /* SiS 968 */ /* Marvell */ { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */ @@ -624,12 +650,26 @@ static void ahci_save_initial_config(struct pci_dev *pdev, cap &= ~HOST_CAP_NCQ; } + if (!(cap & HOST_CAP_NCQ) && (hpriv->flags & AHCI_HFLAG_YES_NCQ)) { + dev_printk(KERN_INFO, &pdev->dev, + "controller can do NCQ, turning on CAP_NCQ\n"); + cap |= HOST_CAP_NCQ; + } + if ((cap & HOST_CAP_PMP) && (hpriv->flags & AHCI_HFLAG_NO_PMP)) { dev_printk(KERN_INFO, &pdev->dev, "controller can't do PMP, turning off CAP_PMP\n"); cap &= ~HOST_CAP_PMP; } + if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361 && + port_map != 1) { + dev_printk(KERN_INFO, &pdev->dev, + "JMB361 has only one port, port_map 0x%x -> 0x%x\n", + port_map, 1); + port_map = 1; + } + /* * Temporary Marvell 6145 hack: PATA port presence * is asserted through the standard AHCI port @@ -1262,19 +1302,11 @@ static int ahci_exec_polled_cmd(struct ata_port *ap, int pmp, return 0; } -static int ahci_check_ready(struct ata_link *link) -{ - void __iomem *port_mmio = ahci_port_base(link->ap); - u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF; - - return ata_check_ready(status); -} - -static int ahci_softreset(struct ata_link *link, unsigned int *class, - unsigned long deadline) +static int ahci_do_softreset(struct ata_link *link, unsigned int *class, + int pmp, unsigned long deadline, + int (*check_ready)(struct ata_link *link)) { struct ata_port *ap = link->ap; - int pmp = sata_srst_pmp(link); const char *reason = NULL; unsigned long now, msecs; struct ata_taskfile tf; @@ -1312,7 +1344,7 @@ static int ahci_softreset(struct ata_link *link, unsigned int *class, ahci_exec_polled_cmd(ap, pmp, &tf, 0, 0, 0); /* wait for link to become ready */ - rc = ata_wait_after_reset(link, deadline, ahci_check_ready); + rc = ata_wait_after_reset(link, deadline, check_ready); /* link occupied, -ENODEV too is an error */ if (rc) { reason = "device not ready"; @@ -1328,6 +1360,72 @@ static int ahci_softreset(struct ata_link *link, unsigned int *class, return rc; } +static int ahci_check_ready(struct ata_link *link) +{ + void __iomem *port_mmio = ahci_port_base(link->ap); + u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF; + + return ata_check_ready(status); +} + +static int ahci_softreset(struct ata_link *link, unsigned int *class, + unsigned long deadline) +{ + int pmp = sata_srst_pmp(link); + + DPRINTK("ENTER\n"); + + return ahci_do_softreset(link, class, pmp, deadline, ahci_check_ready); +} + +static int ahci_sb600_check_ready(struct ata_link *link) +{ + void __iomem *port_mmio = ahci_port_base(link->ap); + u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF; + u32 irq_status = readl(port_mmio + PORT_IRQ_STAT); + + /* + * There is no need to check TFDATA if BAD PMP is found due to HW bug, + * which can save timeout delay. + */ + if (irq_status & PORT_IRQ_BAD_PMP) + return -EIO; + + return ata_check_ready(status); +} + +static int ahci_sb600_softreset(struct ata_link *link, unsigned int *class, + unsigned long deadline) +{ + struct ata_port *ap = link->ap; + void __iomem *port_mmio = ahci_port_base(ap); + int pmp = sata_srst_pmp(link); + int rc; + u32 irq_sts; + + DPRINTK("ENTER\n"); + + rc = ahci_do_softreset(link, class, pmp, deadline, + ahci_sb600_check_ready); + + /* + * Soft reset fails on some ATI chips with IPMS set when PMP + * is enabled but SATA HDD/ODD is connected to SATA port, + * do soft reset again to port 0. + */ + if (rc == -EIO) { + irq_sts = readl(port_mmio + PORT_IRQ_STAT); + if (irq_sts & PORT_IRQ_BAD_PMP) { + ata_link_printk(link, KERN_WARNING, + "failed due to HW bug, retry pmp=0\n"); + rc = ahci_do_softreset(link, class, 0, deadline, + ahci_check_ready); + } + } + + return rc; +} + static int ahci_hardreset(struct ata_link *link, unsigned int *class, unsigned long deadline) { @@ -2118,7 +2216,8 @@ static void ahci_p5wdh_workaround(struct ata_host *host) static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version; - struct ata_port_info pi = ahci_port_info[ent->driver_data]; + unsigned int board_id = ent->driver_data; + struct ata_port_info pi = ahci_port_info[board_id]; const struct ata_port_info *ppi[] = { &pi, NULL }; struct device *dev = &pdev->dev; struct ahci_host_priv *hpriv; @@ -2167,6 +2266,11 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) return -ENOMEM; hpriv->flags |= (unsigned long)pi.private_data; + /* MCP65 revision A1 and A2 can't do MSI */ + if (board_id == board_ahci_mcp65 && + (pdev->revision == 0xa1 || pdev->revision == 0xa2)) + hpriv->flags |= AHCI_HFLAG_NO_MSI; + if ((hpriv->flags & AHCI_HFLAG_NO_MSI) || pci_enable_msi(pdev)) pci_intx(pdev, 1); diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index a9027b8fbdd..a90ae03f56b 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -247,10 +247,11 @@ static const struct pci_device_id piix_pci_tbl[] = { { 0x8086, 0x2820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata }, /* SATA Controller 2 IDE (ICH8) */ { 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 }, /* Mobile SATA Controller IDE (ICH8M), Apple */ { 0x8086, 0x2828, 0x106b, 0x00a0, 0, 0, ich8m_apple_sata }, + { 0x8086, 0x2828, 0x106b, 0x00a1, 0, 0, ich8m_apple_sata }, + /* Mobile SATA Controller IDE (ICH8M) */ + { 0x8086, 0x2828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata }, /* SATA Controller IDE (ICH9) */ { 0x8086, 0x2920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata }, /* SATA Controller IDE (ICH9) */ @@ -526,7 +527,7 @@ static struct ata_port_info piix_port_info[] = { [ich8m_apple_sata] = { - .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR, + .flags = PIIX_SATA_FLAGS, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = ATA_UDMA6, @@ -573,6 +574,8 @@ static const struct ich_laptop ich_laptop[] = { { 0x27DF, 0x1043, 0x1267 }, /* ICH7 on Asus W5F */ { 0x27DF, 0x103C, 0x30A1 }, /* ICH7 on HP Compaq nc2400 */ { 0x24CA, 0x1025, 0x0061 }, /* ICH4 on ACER Aspire 2023WLMi */ + { 0x24CA, 0x1025, 0x003d }, /* ICH4 on ACER TM290 */ + { 0x266F, 0x1025, 0x0066 }, /* ICH6 on ACER Aspire 1694WLMi */ { 0x2653, 0x1043, 0x82D8 }, /* ICH6M on Asus Eee 701 */ /* end marker */ { 0, } @@ -1040,6 +1043,13 @@ static int piix_broken_suspend(void) }, }, { + .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"), diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index dbf6ca781f6..3ff8b14420d 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -118,12 +118,62 @@ static void ata_acpi_associate_ide_port(struct ata_port *ap) ap->pflags |= ATA_PFLAG_INIT_GTM_VALID; } -static void ata_acpi_handle_hotplug(struct ata_port *ap, struct ata_device - *dev, u32 event) +static void ata_acpi_eject_device(acpi_handle handle) +{ + struct acpi_object_list arg_list; + union acpi_object arg; + + arg_list.count = 1; + arg_list.pointer = &arg; + arg.type = ACPI_TYPE_INTEGER; + arg.integer.value = 1; + + if (ACPI_FAILURE(acpi_evaluate_object(handle, "_EJ0", + &arg_list, NULL))) + printk(KERN_ERR "Failed to evaluate _EJ0!\n"); +} + +/* @ap and @dev are the same as ata_acpi_handle_hotplug() */ +static void ata_acpi_detach_device(struct ata_port *ap, struct ata_device *dev) +{ + if (dev) + dev->flags |= ATA_DFLAG_DETACH; + else { + struct ata_link *tlink; + struct ata_device *tdev; + + ata_port_for_each_link(tlink, ap) + ata_link_for_each_dev(tdev, tlink) + tdev->flags |= ATA_DFLAG_DETACH; + } + + ata_port_schedule_eh(ap); +} + +/** + * ata_acpi_handle_hotplug - ACPI event handler backend + * @ap: ATA port ACPI event occurred + * @dev: ATA device ACPI event occurred (can be NULL) + * @event: ACPI event which occurred + * @is_dock_event: boolean indicating whether the event was a dock one + * + * All ACPI bay / device realted events end up in this function. If + * the event is port-wide @dev is NULL. If the event is specific to a + * device, @dev points to it. + * + * Hotplug (as opposed to unplug) notification is always handled as + * port-wide while unplug only kills the target device on device-wide + * event. + * + * LOCKING: + * ACPI notify handler context. May sleep. + */ +static void ata_acpi_handle_hotplug(struct ata_port *ap, struct ata_device *dev, + u32 event, int is_dock_event) { char event_string[12]; char *envp[] = { event_string, NULL }; - struct ata_eh_info *ehi; + struct ata_eh_info *ehi = &ap->link.eh_info; struct kobject *kobj = NULL; int wait = 0; unsigned long flags; @@ -131,87 +181,100 @@ static void ata_acpi_handle_hotplug(struct ata_port *ap, struct ata_device unsigned long sta; acpi_status status; - if (!ap) - ap = dev->link->ap; - ehi = &ap->link.eh_info; - - spin_lock_irqsave(ap->lock, flags); - - if (dev) + if (dev) { + if (dev->sdev) + kobj = &dev->sdev->sdev_gendev.kobj; handle = dev->acpi_handle; - else + } else { + kobj = &ap->dev->kobj; handle = ap->acpi_handle; + } status = acpi_get_handle(handle, "_EJ0", &tmphandle); - if (ACPI_FAILURE(status)) { - /* This device is not ejectable */ - spin_unlock_irqrestore(ap->lock, flags); + if (ACPI_FAILURE(status)) + /* This device does not support hotplug */ return; - } - status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); - if (ACPI_FAILURE(status)) { - printk ("Unable to determine bay status\n"); - spin_unlock_irqrestore(ap->lock, flags); - return; - } + spin_lock_irqsave(ap->lock, flags); switch (event) { case ACPI_NOTIFY_BUS_CHECK: case ACPI_NOTIFY_DEVICE_CHECK: ata_ehi_push_desc(ehi, "ACPI event"); - if (!sta) { - /* Device has been unplugged */ - if (dev) - dev->flags |= ATA_DFLAG_DETACH; - else { - struct ata_link *tlink; - struct ata_device *tdev; - - ata_port_for_each_link(tlink, ap) { - ata_link_for_each_dev(tdev, tlink) { - tdev->flags |= - ATA_DFLAG_DETACH; - } - } - } - ata_port_schedule_eh(ap); - wait = 1; - } else { + + status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); + if (ACPI_FAILURE(status)) { + ata_port_printk(ap, KERN_ERR, + "acpi: failed to determine bay status (0x%x)\n", + status); + break; + } + + if (sta) { ata_ehi_hotplugged(ehi); ata_port_freeze(ap); + } else { + /* The device has gone - unplug it */ + ata_acpi_detach_device(ap, dev); + wait = 1; } + break; + case ACPI_NOTIFY_EJECT_REQUEST: + ata_ehi_push_desc(ehi, "ACPI event"); + + if (!is_dock_event) + break; + + /* undock event - immediate unplug */ + ata_acpi_detach_device(ap, dev); + wait = 1; + break; } + /* make sure kobj doesn't go away while ap->lock is released */ + kobject_get(kobj); + spin_unlock_irqrestore(ap->lock, flags); - if (wait) + if (wait) { ata_port_wait_eh(ap); + ata_acpi_eject_device(handle); + } - if (dev) { - if (dev->sdev) - kobj = &dev->sdev->sdev_gendev.kobj; - } else - kobj = &ap->dev->kobj; - - if (kobj) { + if (kobj && !is_dock_event) { sprintf(event_string, "BAY_EVENT=%d", event); kobject_uevent_env(kobj, KOBJ_CHANGE, envp); } + + kobject_put(kobj); +} + +static void ata_acpi_dev_notify_dock(acpi_handle handle, u32 event, void *data) +{ + struct ata_device *dev = data; + + ata_acpi_handle_hotplug(dev->link->ap, dev, event, 1); +} + +static void ata_acpi_ap_notify_dock(acpi_handle handle, u32 event, void *data) +{ + struct ata_port *ap = data; + + ata_acpi_handle_hotplug(ap, NULL, event, 1); } static void ata_acpi_dev_notify(acpi_handle handle, u32 event, void *data) { struct ata_device *dev = data; - ata_acpi_handle_hotplug(NULL, dev, event); + ata_acpi_handle_hotplug(dev->link->ap, dev, event, 0); } static void ata_acpi_ap_notify(acpi_handle handle, u32 event, void *data) { struct ata_port *ap = data; - ata_acpi_handle_hotplug(ap, NULL, event); + ata_acpi_handle_hotplug(ap, NULL, event, 0); } /** @@ -252,7 +315,7 @@ void ata_acpi_associate(struct ata_host *host) ata_acpi_ap_notify, ap); /* we might be on a docking station */ register_hotplug_dock_device(ap->acpi_handle, - ata_acpi_ap_notify, ap); + ata_acpi_ap_notify_dock, ap); } for (j = 0; j < ata_link_max_devices(&ap->link); j++) { @@ -264,7 +327,7 @@ void ata_acpi_associate(struct ata_host *host) ata_acpi_dev_notify, dev); /* we might be on a docking station */ register_hotplug_dock_device(dev->acpi_handle, - ata_acpi_dev_notify, dev); + ata_acpi_dev_notify_dock, dev); } } } diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 3c89f205c83..303fc0d2b97 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4297,7 +4297,7 @@ void ata_sg_clean(struct ata_queued_cmd *qc) } /** - * ata_check_atapi_dma - Check whether ATAPI DMA can be supported + * atapi_check_dma - Check whether ATAPI DMA can be supported * @qc: Metadata associated with taskfile to check * * Allow low-level driver to filter ATA PACKET commands, returning @@ -4310,7 +4310,7 @@ void ata_sg_clean(struct ata_queued_cmd *qc) * RETURNS: 0 when ATAPI DMA can be used * nonzero otherwise */ -int ata_check_atapi_dma(struct ata_queued_cmd *qc) +int atapi_check_dma(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; @@ -5403,7 +5403,7 @@ static void ata_host_stop(struct device *gendev, void *res) */ static void ata_finalize_port_ops(struct ata_port_operations *ops) { - static spinlock_t lock = SPIN_LOCK_UNLOCKED; + static DEFINE_SPINLOCK(lock); const struct ata_port_operations *cur; void **begin = (void **)ops; void **end = (void **)&ops->inherits; diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c index 0f9386d4a5a..7daf4c0f621 100644 --- a/drivers/ata/libata-pmp.c +++ b/drivers/ata/libata-pmp.c @@ -322,9 +322,12 @@ static void sata_pmp_quirks(struct ata_port *ap) if (vendor == 0x1095 && devid == 0x3726) { /* sil3726 quirks */ ata_port_for_each_link(link, ap) { - /* class code report is unreliable */ + /* Class code report is unreliable and SRST + * times out under certain configurations. + */ if (link->pmp < 5) - link->flags |= ATA_LFLAG_ASSUME_ATA; + link->flags |= ATA_LFLAG_NO_SRST | + ATA_LFLAG_ASSUME_ATA; /* port 5 is for SEMB device and it doesn't like SRST */ if (link->pmp == 5) diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index aeb6e01d82c..57a43649a46 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1637,6 +1637,7 @@ defer: /** * ata_scsi_rbuf_get - Map response buffer. + * @cmd: SCSI command containing buffer to be mapped. * @flags: unsigned long variable to store irq enable status * @copy_in: copy in from user buffer * @@ -1954,7 +1955,7 @@ static unsigned int ata_msense_ctl_mode(u8 *buf) /** * ata_msense_rw_recovery - Simulate MODE SENSE r/w error recovery page - * @bufp: output buffer + * @buf: output buffer * * Generate a generic MODE SENSE r/w error recovery page. * @@ -2342,8 +2343,8 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc) { struct scsi_cmnd *scmd = qc->scsicmd; struct ata_device *dev = qc->dev; - int using_pio = (dev->flags & ATA_DFLAG_PIO); int nodata = (scmd->sc_data_direction == DMA_NONE); + int using_pio = !nodata && (dev->flags & ATA_DFLAG_PIO); unsigned int nbytes; memset(qc->cdb, 0, dev->cdb_len); @@ -2361,7 +2362,7 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc) ata_qc_set_pc_nbytes(qc); /* check whether ATAPI DMA is safe */ - if (!using_pio && ata_check_atapi_dma(qc)) + if (!nodata && !using_pio && atapi_check_dma(qc)) using_pio = 1; /* Some controller variants snoop this value for Packet @@ -2401,13 +2402,11 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc) qc->tf.lbam = (nbytes & 0xFF); qc->tf.lbah = (nbytes >> 8); - if (using_pio || nodata) { - /* no data, or PIO data xfer */ - if (nodata) - qc->tf.protocol = ATAPI_PROT_NODATA; - else - qc->tf.protocol = ATAPI_PROT_PIO; - } else { + if (nodata) + qc->tf.protocol = ATAPI_PROT_NODATA; + else if (using_pio) + qc->tf.protocol = ATAPI_PROT_PIO; + else { /* DMA data xfer */ qc->tf.protocol = ATAPI_PROT_DMA; qc->tf.feature |= ATAPI_PKT_DMA; diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 3c2d2289f85..215d18672a5 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -247,7 +247,7 @@ u8 ata_sff_check_status(struct ata_port *ap) * LOCKING: * Inherited from caller. */ -u8 ata_sff_altstatus(struct ata_port *ap) +static u8 ata_sff_altstatus(struct ata_port *ap) { if (ap->ops->sff_check_altstatus) return ap->ops->sff_check_altstatus(ap); @@ -256,6 +256,93 @@ u8 ata_sff_altstatus(struct ata_port *ap) } /** + * ata_sff_irq_status - Check if the device is busy + * @ap: port where the device is + * + * Determine if the port is currently busy. Uses altstatus + * if available in order to avoid clearing shared IRQ status + * when finding an IRQ source. Non ctl capable devices don't + * share interrupt lines fortunately for us. + * + * LOCKING: + * Inherited from caller. + */ +static u8 ata_sff_irq_status(struct ata_port *ap) +{ + u8 status; + + if (ap->ops->sff_check_altstatus || ap->ioaddr.altstatus_addr) { + status = ata_sff_altstatus(ap); + /* Not us: We are busy */ + if (status & ATA_BUSY) + return status; + } + /* Clear INTRQ latch */ + status = ap->ops->sff_check_status(ap); + return status; +} + +/** + * ata_sff_sync - Flush writes + * @ap: Port to wait for. + * + * CAUTION: + * If we have an mmio device with no ctl and no altstatus + * method this will fail. No such devices are known to exist. + * + * LOCKING: + * Inherited from caller. + */ + +static void ata_sff_sync(struct ata_port *ap) +{ + if (ap->ops->sff_check_altstatus) + ap->ops->sff_check_altstatus(ap); + else if (ap->ioaddr.altstatus_addr) + ioread8(ap->ioaddr.altstatus_addr); +} + +/** + * ata_sff_pause - Flush writes and wait 400nS + * @ap: Port to pause for. + * + * CAUTION: + * If we have an mmio device with no ctl and no altstatus + * method this will fail. No such devices are known to exist. + * + * LOCKING: + * Inherited from caller. + */ + +void ata_sff_pause(struct ata_port *ap) +{ + ata_sff_sync(ap); + ndelay(400); +} + +/** + * ata_sff_dma_pause - Pause before commencing DMA + * @ap: Port to pause for. + * + * Perform I/O fencing and ensure sufficient cycle delays occur + * for the HDMA1:0 transition + */ + +void ata_sff_dma_pause(struct ata_port *ap) +{ + if (ap->ops->sff_check_altstatus || ap->ioaddr.altstatus_addr) { + /* An altstatus read will cause the needed delay without + messing up the IRQ status */ + ata_sff_altstatus(ap); + return; + } + /* There are no DMA controllers without ctl. BUG here to ensure + we never violate the HDMA1:0 transition timing and risk + corruption. */ + BUG(); +} + +/** * ata_sff_busy_sleep - sleep until BSY clears, or timeout * @ap: port containing status register to be polled * @tmout_pat: impatience timeout @@ -742,7 +829,7 @@ static void ata_pio_sectors(struct ata_queued_cmd *qc) } else ata_pio_sector(qc); - ata_sff_altstatus(qc->ap); /* flush */ + ata_sff_sync(qc->ap); /* flush */ } /** @@ -763,8 +850,9 @@ static void atapi_send_cdb(struct ata_port *ap, struct ata_queued_cmd *qc) WARN_ON(qc->dev->cdb_len < 12); ap->ops->sff_data_xfer(qc->dev, qc->cdb, qc->dev->cdb_len, 1); - ata_sff_altstatus(ap); /* flush */ - + ata_sff_sync(ap); + /* FIXME: If the CDB is for DMA do we need to do the transition delay + or is bmdma_start guaranteed to do it ? */ switch (qc->tf.protocol) { case ATAPI_PROT_PIO: ap->hsm_task_state = HSM_ST; @@ -905,7 +993,7 @@ static void atapi_pio_bytes(struct ata_queued_cmd *qc) if (unlikely(__atapi_pio_bytes(qc, bytes))) goto err_out; - ata_sff_altstatus(ap); /* flush */ + ata_sff_sync(ap); /* flush */ return; @@ -1489,14 +1577,10 @@ inline unsigned int ata_sff_host_intr(struct ata_port *ap, goto idle_irq; } - /* check altstatus */ - status = ata_sff_altstatus(ap); - if (status & ATA_BUSY) - goto idle_irq; - /* check main status, clearing INTRQ */ - status = ap->ops->sff_check_status(ap); - if (unlikely(status & ATA_BUSY)) + /* check main status, clearing INTRQ if needed */ + status = ata_sff_irq_status(ap); + if (status & ATA_BUSY) goto idle_irq; /* ack bmdma irq events */ @@ -2030,7 +2114,7 @@ void ata_sff_error_handler(struct ata_port *ap) ap->ops->bmdma_stop(qc); } - ata_sff_altstatus(ap); + ata_sff_sync(ap); /* FIXME: We don't need this */ ap->ops->sff_check_status(ap); ap->ops->sff_irq_clear(ap); @@ -2203,7 +2287,7 @@ void ata_bmdma_stop(struct ata_queued_cmd *qc) mmio + ATA_DMA_CMD); /* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */ - ata_sff_altstatus(ap); /* dummy read */ + ata_sff_dma_pause(ap); } /** @@ -2722,7 +2806,8 @@ EXPORT_SYMBOL_GPL(ata_sff_qc_prep); EXPORT_SYMBOL_GPL(ata_sff_dumb_qc_prep); EXPORT_SYMBOL_GPL(ata_sff_dev_select); EXPORT_SYMBOL_GPL(ata_sff_check_status); -EXPORT_SYMBOL_GPL(ata_sff_altstatus); +EXPORT_SYMBOL_GPL(ata_sff_dma_pause); +EXPORT_SYMBOL_GPL(ata_sff_pause); EXPORT_SYMBOL_GPL(ata_sff_busy_sleep); EXPORT_SYMBOL_GPL(ata_sff_wait_ready); EXPORT_SYMBOL_GPL(ata_sff_tf_load); diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 4514283937e..1cf803adbc9 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -106,7 +106,7 @@ extern void ata_sg_clean(struct ata_queued_cmd *qc); extern void ata_qc_free(struct ata_queued_cmd *qc); extern void ata_qc_issue(struct ata_queued_cmd *qc); extern void __ata_qc_complete(struct ata_queued_cmd *qc); -extern int ata_check_atapi_dma(struct ata_queued_cmd *qc); +extern int atapi_check_dma(struct ata_queued_cmd *qc); extern void swap_buf_le16(u16 *buf, unsigned int buf_words); extern void ata_dev_init(struct ata_device *dev); extern void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp); diff --git a/drivers/ata/pata_icside.c b/drivers/ata/pata_icside.c index 17138436423..cf9e9848f8b 100644 --- a/drivers/ata/pata_icside.c +++ b/drivers/ata/pata_icside.c @@ -270,7 +270,7 @@ static void pata_icside_bmdma_stop(struct ata_queued_cmd *qc) disable_dma(state->dma); /* see ata_bmdma_stop */ - ata_sff_altstatus(ap); + ata_sff_dma_pause(ap); } static u8 pata_icside_bmdma_status(struct ata_port *ap) diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c index 3d39f9dfec5..41b4361bbf6 100644 --- a/drivers/ata/pata_pcmcia.c +++ b/drivers/ata/pata_pcmcia.c @@ -414,6 +414,7 @@ static struct pcmcia_device_id pcmcia_devices[] = { PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149), PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674), PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b), + PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF300", 0x7ed2ad87, 0x7e9e78ee), PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c), PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79), PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591), @@ -424,6 +425,7 @@ static struct pcmcia_device_id pcmcia_devices[] = { PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6), PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003), PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443), + PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF45", 0x709b1bf1, 0xf68b6f32), PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1), PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2), PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8), diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c index a108d259f19..f8b3ffc8ae9 100644 --- a/drivers/ata/pata_rb532_cf.c +++ b/drivers/ata/pata_rb532_cf.c @@ -57,7 +57,9 @@ static inline void rb532_pata_finish_io(struct ata_port *ap) struct ata_host *ah = ap->host; struct rb532_cf_info *info = ah->private_data; - ata_sff_altstatus(ap); + /* FIXME: Keep previous delay. If this is merely a fence then + ata_sff_sync might be sufficient. */ + ata_sff_dma_pause(ap); ndelay(RB500_CF_IO_DELAY); set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH); diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c index e965b251ca2..bbf5aa345e6 100644 --- a/drivers/ata/pata_scc.c +++ b/drivers/ata/pata_scc.c @@ -726,7 +726,7 @@ static void scc_bmdma_stop (struct ata_queued_cmd *qc) in_be32(bmid_base + SCC_DMA_CMD) & ~ATA_DMA_START); /* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */ - ata_sff_altstatus(ap); /* dummy read */ + ata_sff_dma_pause(ap); /* dummy read */ } /** @@ -747,7 +747,8 @@ static u8 scc_bmdma_status (struct ata_port *ap) return host_stat; /* errata A252,A308 workaround: Step4 */ - if ((ata_sff_altstatus(ap) & ATA_ERR) && (int_status & INTSTS_INTRQ)) + if ((scc_check_altstatus(ap) & ATA_ERR) + && (int_status & INTSTS_INTRQ)) return (host_stat | ATA_DMA_INTR); /* errata A308 workaround Step5 */ diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index 853559e3231..3924e7209a4 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -34,7 +34,7 @@ enum { SATA_FSL_HOST_FLAGS = (ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | - ATA_FLAG_NCQ), + ATA_FLAG_PMP | ATA_FLAG_NCQ), SATA_FSL_MAX_CMDS = SATA_FSL_QUEUE_DEPTH, SATA_FSL_CMD_HDR_SIZE = 16, /* 4 DWORDS */ @@ -395,7 +395,7 @@ static void sata_fsl_qc_prep(struct ata_queued_cmd *qc) cd = (struct command_desc *)pp->cmdentry + tag; cd_paddr = pp->cmdentry_paddr + tag * SATA_FSL_CMD_DESC_SIZE; - ata_tf_to_fis(&qc->tf, 0, 1, (u8 *) &cd->cfis); + ata_tf_to_fis(&qc->tf, qc->dev->link->pmp, 1, (u8 *) &cd->cfis); VPRINTK("Dumping cfis : 0x%x, 0x%x, 0x%x\n", cd->cfis[0], cd->cfis[1], cd->cfis[2]); @@ -438,6 +438,8 @@ static unsigned int sata_fsl_qc_issue(struct ata_queued_cmd *qc) ioread32(CA + hcr_base), ioread32(CE + hcr_base), ioread32(CC + hcr_base)); + iowrite32(qc->dev->link->pmp, CQPMP + hcr_base); + /* Simply queue command to the controller/device */ iowrite32(1 << tag, CQ + hcr_base); @@ -558,11 +560,36 @@ static void sata_fsl_thaw(struct ata_port *ap) ioread32(hcr_base + HCONTROL), ioread32(hcr_base + HSTATUS)); } +static void sata_fsl_pmp_attach(struct ata_port *ap) +{ + struct sata_fsl_host_priv *host_priv = ap->host->private_data; + void __iomem *hcr_base = host_priv->hcr_base; + u32 temp; + + temp = ioread32(hcr_base + HCONTROL); + iowrite32((temp | HCONTROL_PMP_ATTACHED), hcr_base + HCONTROL); +} + +static void sata_fsl_pmp_detach(struct ata_port *ap) +{ + struct sata_fsl_host_priv *host_priv = ap->host->private_data; + void __iomem *hcr_base = host_priv->hcr_base; + u32 temp; + + temp = ioread32(hcr_base + HCONTROL); + temp &= ~HCONTROL_PMP_ATTACHED; + iowrite32(temp, hcr_base + HCONTROL); + + /* enable interrupts on the controller/port */ + temp = ioread32(hcr_base + HCONTROL); + iowrite32((temp | DEFAULT_PORT_IRQ_ENABLE_MASK), hcr_base + HCONTROL); + +} + static int sata_fsl_port_start(struct ata_port *ap) { struct device *dev = ap->host->dev; struct sata_fsl_port_priv *pp; - int retval; void *mem; dma_addr_t mem_dma; struct sata_fsl_host_priv *host_priv = ap->host->private_data; @@ -688,12 +715,13 @@ static int sata_fsl_prereset(struct ata_link *link, unsigned long deadline) } static int sata_fsl_softreset(struct ata_link *link, unsigned int *class, - unsigned long deadline) + unsigned long deadline) { struct ata_port *ap = link->ap; struct sata_fsl_port_priv *pp = ap->private_data; struct sata_fsl_host_priv *host_priv = ap->host->private_data; void __iomem *hcr_base = host_priv->hcr_base; + int pmp = sata_srst_pmp(link); u32 temp; struct ata_taskfile tf; u8 *cfis; @@ -703,6 +731,9 @@ static int sata_fsl_softreset(struct ata_link *link, unsigned int *class, DPRINTK("in xx_softreset\n"); + if (pmp != SATA_PMP_CTRL_PORT) + goto issue_srst; + try_offline_again: /* * Force host controller to go off-line, aborting current operations @@ -746,6 +777,7 @@ try_offline_again: temp = ioread32(hcr_base + HCONTROL); temp |= (HCONTROL_ONLINE_PHY_RST | HCONTROL_SNOOP_ENABLE); + temp |= HCONTROL_PMP_ATTACHED; iowrite32(temp, hcr_base + HCONTROL); temp = ata_wait_register(hcr_base + HSTATUS, ONLINE, 0, 1, 500); @@ -771,7 +803,8 @@ try_offline_again: ata_port_printk(ap, KERN_WARNING, "No Device OR PHYRDY change,Hstatus = 0x%x\n", ioread32(hcr_base + HSTATUS)); - goto err; + *class = ATA_DEV_NONE; + goto out; } /* @@ -783,7 +816,8 @@ try_offline_again: if ((temp & 0xFF) != 0x18) { ata_port_printk(ap, KERN_WARNING, "No Signature Update\n"); - goto err; + *class = ATA_DEV_NONE; + goto out; } else { ata_port_printk(ap, KERN_INFO, "Signature Update detected @ %d msecs\n", @@ -798,6 +832,7 @@ try_offline_again: * reached here, we can send a command to the target device */ +issue_srst: DPRINTK("Sending SRST/device reset\n"); ata_tf_init(link->device, &tf); @@ -808,7 +843,7 @@ try_offline_again: SRST_CMD | CMD_DESC_SNOOP_ENABLE, 0, 0, 5); tf.ctl |= ATA_SRST; /* setup SRST bit in taskfile control reg */ - ata_tf_to_fis(&tf, 0, 0, cfis); + ata_tf_to_fis(&tf, pmp, 0, cfis); DPRINTK("Dumping cfis : 0x%x, 0x%x, 0x%x, 0x%x\n", cfis[0], cfis[1], cfis[2], cfis[3]); @@ -854,8 +889,10 @@ try_offline_again: sata_fsl_setup_cmd_hdr_entry(pp, 0, CMD_DESC_SNOOP_ENABLE, 0, 0, 5); tf.ctl &= ~ATA_SRST; /* 2nd H2D Ctl. register FIS */ - ata_tf_to_fis(&tf, 0, 0, cfis); + ata_tf_to_fis(&tf, pmp, 0, cfis); + if (pmp != SATA_PMP_CTRL_PORT) + iowrite32(pmp, CQPMP + hcr_base); iowrite32(1, CQ + hcr_base); msleep(150); /* ?? */ @@ -886,12 +923,21 @@ try_offline_again: VPRINTK("cereg = 0x%x\n", ioread32(hcr_base + CE)); } +out: return 0; err: return -EIO; } +static void sata_fsl_error_handler(struct ata_port *ap) +{ + + DPRINTK("in xx_error_handler\n"); + sata_pmp_error_handler(ap); + +} + static void sata_fsl_post_internal_cmd(struct ata_queued_cmd *qc) { if (qc->flags & ATA_QCFLAG_FAILED) @@ -905,18 +951,21 @@ static void sata_fsl_post_internal_cmd(struct ata_queued_cmd *qc) static void sata_fsl_error_intr(struct ata_port *ap) { - struct ata_link *link = &ap->link; - struct ata_eh_info *ehi = &link->eh_info; struct sata_fsl_host_priv *host_priv = ap->host->private_data; void __iomem *hcr_base = host_priv->hcr_base; - u32 hstatus, dereg, cereg = 0, SError = 0; + u32 hstatus, dereg=0, cereg = 0, SError = 0; unsigned int err_mask = 0, action = 0; - struct ata_queued_cmd *qc; - int freeze = 0; + int freeze = 0, abort=0; + struct ata_link *link = NULL; + struct ata_queued_cmd *qc = NULL; + struct ata_eh_info *ehi; hstatus = ioread32(hcr_base + HSTATUS); cereg = ioread32(hcr_base + CE); + /* first, analyze and record host port events */ + link = &ap->link; + ehi = &link->eh_info; ata_ehi_clear_desc(ehi); /* @@ -926,42 +975,28 @@ static void sata_fsl_error_intr(struct ata_port *ap) sata_fsl_scr_read(ap, SCR_ERROR, &SError); if (unlikely(SError & 0xFFFF0000)) { sata_fsl_scr_write(ap, SCR_ERROR, SError); - err_mask |= AC_ERR_ATA_BUS; } DPRINTK("error_intr,hStat=0x%x,CE=0x%x,DE =0x%x,SErr=0x%x\n", hstatus, cereg, ioread32(hcr_base + DE), SError); - /* handle single device errors */ - if (cereg) { - /* - * clear the command error, also clears queue to the device - * in error, and we can (re)issue commands to this device. - * When a device is in error all commands queued into the - * host controller and at the device are considered aborted - * and the queue for that device is stopped. Now, after - * clearing the device error, we can issue commands to the - * device to interrogate it to find the source of the error. - */ - dereg = ioread32(hcr_base + DE); - iowrite32(dereg, hcr_base + DE); - iowrite32(cereg, hcr_base + CE); + /* handle fatal errors */ + if (hstatus & FATAL_ERROR_DECODE) { + ehi->err_mask |= AC_ERR_ATA_BUS; + ehi->action |= ATA_EH_SOFTRESET; - DPRINTK("single device error, CE=0x%x, DE=0x%x\n", - ioread32(hcr_base + CE), ioread32(hcr_base + DE)); /* - * We should consider this as non fatal error, and TF must - * be updated as done below. + * Ignore serror in case of fatal errors as we always want + * to do a soft-reset of the FSL SATA controller. Analyzing + * serror may cause libata to schedule a hard-reset action, + * and hard-reset currently does not do controller + * offline/online, causing command timeouts and leads to an + * un-recoverable state, hence make libATA ignore + * autopsy in case of fatal errors. */ - err_mask |= AC_ERR_DEV; - } + ehi->flags |= ATA_EHI_NO_AUTOPSY; - /* handle fatal errors */ - if (hstatus & FATAL_ERROR_DECODE) { - err_mask |= AC_ERR_ATA_BUS; - action |= ATA_EH_RESET; - /* how will fatal error interrupts be completed ?? */ freeze = 1; } @@ -971,30 +1006,83 @@ static void sata_fsl_error_intr(struct ata_port *ap) /* Setup a soft-reset EH action */ ata_ehi_hotplugged(ehi); + ata_ehi_push_desc(ehi, "%s", "PHY RDY changed"); freeze = 1; } - /* record error info */ - qc = ata_qc_from_tag(ap, link->active_tag); + /* handle single device errors */ + if (cereg) { + /* + * clear the command error, also clears queue to the device + * in error, and we can (re)issue commands to this device. + * When a device is in error all commands queued into the + * host controller and at the device are considered aborted + * and the queue for that device is stopped. Now, after + * clearing the device error, we can issue commands to the + * device to interrogate it to find the source of the error. + */ + abort = 1; + + DPRINTK("single device error, CE=0x%x, DE=0x%x\n", + ioread32(hcr_base + CE), ioread32(hcr_base + DE)); - if (qc) + /* find out the offending link and qc */ + if (ap->nr_pmp_links) { + dereg = ioread32(hcr_base + DE); + iowrite32(dereg, hcr_base + DE); + iowrite32(cereg, hcr_base + CE); + + if (dereg < ap->nr_pmp_links) { + link = &ap->pmp_link[dereg]; + ehi = &link->eh_info; + qc = ata_qc_from_tag(ap, link->active_tag); + /* + * We should consider this as non fatal error, + * and TF must be updated as done below. + */ + + err_mask |= AC_ERR_DEV; + + } else { + err_mask |= AC_ERR_HSM; + action |= ATA_EH_HARDRESET; + freeze = 1; + } + } else { + dereg = ioread32(hcr_base + DE); + iowrite32(dereg, hcr_base + DE); + iowrite32(cereg, hcr_base + CE); + + qc = ata_qc_from_tag(ap, link->active_tag); + /* + * We should consider this as non fatal error, + * and TF must be updated as done below. + */ + err_mask |= AC_ERR_DEV; + } + } + + /* record error info */ + if (qc) { qc->err_mask |= err_mask; - else + } else ehi->err_mask |= err_mask; ehi->action |= action; - ehi->serror |= SError; /* freeze or abort */ if (freeze) ata_port_freeze(ap); - else - ata_port_abort(ap); + else if (abort) { + if (qc) + ata_link_abort(qc->dev->link); + else + ata_port_abort(ap); + } } static void sata_fsl_host_intr(struct ata_port *ap) { - struct ata_link *link = &ap->link; struct sata_fsl_host_priv *host_priv = ap->host->private_data; void __iomem *hcr_base = host_priv->hcr_base; u32 hstatus, qc_active = 0; @@ -1017,10 +1105,19 @@ static void sata_fsl_host_intr(struct ata_port *ap) return; } - if (link->sactive) { /* only true for NCQ commands */ + /* Read command completed register */ + qc_active = ioread32(hcr_base + CC); + + VPRINTK("Status of all queues :\n"); + VPRINTK("qc_active/CC = 0x%x, CA = 0x%x, CE=0x%x,CQ=0x%x,apqa=0x%x\n", + qc_active, + ioread32(hcr_base + CA), + ioread32(hcr_base + CE), + ioread32(hcr_base + CQ), + ap->qc_active); + + if (qc_active & ap->qc_active) { int i; - /* Read command completed register */ - qc_active = ioread32(hcr_base + CC); /* clear CC bit, this will also complete the interrupt */ iowrite32(qc_active, hcr_base + CC); @@ -1032,8 +1129,9 @@ static void sata_fsl_host_intr(struct ata_port *ap) for (i = 0; i < SATA_FSL_QUEUE_DEPTH; i++) { if (qc_active & (1 << i)) { qc = ata_qc_from_tag(ap, i); - if (qc) + if (qc) { ata_qc_complete(qc); + } DPRINTK ("completing ncq cmd,tag=%d,CC=0x%x,CA=0x%x\n", i, ioread32(hcr_base + CC), @@ -1042,19 +1140,21 @@ static void sata_fsl_host_intr(struct ata_port *ap) } return; - } else if (ap->qc_active) { + } else if ((ap->qc_active & (1 << ATA_TAG_INTERNAL))) { iowrite32(1, hcr_base + CC); - qc = ata_qc_from_tag(ap, link->active_tag); + qc = ata_qc_from_tag(ap, ATA_TAG_INTERNAL); - DPRINTK("completing non-ncq cmd, tag=%d,CC=0x%x\n", - link->active_tag, ioread32(hcr_base + CC)); + DPRINTK("completing non-ncq cmd, CC=0x%x\n", + ioread32(hcr_base + CC)); - if (qc) + if (qc) { ata_qc_complete(qc); + } } else { /* Spurious Interrupt!! */ DPRINTK("spurious interrupt!!, CC = 0x%x\n", ioread32(hcr_base + CC)); + iowrite32(qc_active, hcr_base + CC); return; } } @@ -1130,9 +1230,6 @@ static int sata_fsl_init_controller(struct ata_host *host) iowrite32(0x00000FFFF, hcr_base + CE); iowrite32(0x00000FFFF, hcr_base + DE); - /* initially assuming no Port multiplier, set CQPMP to 0 */ - iowrite32(0x0, hcr_base + CQPMP); - /* * host controller will be brought on-line, during xx_port_start() * callback, that should also initiate the OOB, COMINIT sequence @@ -1154,8 +1251,8 @@ static struct scsi_host_template sata_fsl_sht = { .dma_boundary = ATA_DMA_BOUNDARY, }; -static const struct ata_port_operations sata_fsl_ops = { - .inherits = &sata_port_ops, +static struct ata_port_operations sata_fsl_ops = { + .inherits = &sata_pmp_port_ops, .qc_prep = sata_fsl_qc_prep, .qc_issue = sata_fsl_qc_issue, @@ -1168,10 +1265,15 @@ static const struct ata_port_operations sata_fsl_ops = { .thaw = sata_fsl_thaw, .prereset = sata_fsl_prereset, .softreset = sata_fsl_softreset, + .pmp_softreset = sata_fsl_softreset, + .error_handler = sata_fsl_error_handler, .post_internal_cmd = sata_fsl_post_internal_cmd, .port_start = sata_fsl_port_start, .port_stop = sata_fsl_port_stop, + + .pmp_attach = sata_fsl_pmp_attach, + .pmp_detach = sata_fsl_pmp_detach, }; static const struct ata_port_info sata_fsl_port_info[] = { diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index fb81f0c7a8c..28092bc5014 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -72,7 +72,7 @@ #include <linux/libata.h> #define DRV_NAME "sata_mv" -#define DRV_VERSION "1.21" +#define DRV_VERSION "1.24" enum { /* BAR's are enumerated in terms of pci_resource_start() terms */ @@ -122,8 +122,6 @@ enum { /* Host Flags */ MV_FLAG_DUAL_HC = (1 << 30), /* two SATA Host Controllers */ MV_FLAG_IRQ_COALESCE = (1 << 29), /* IRQ coalescing capability */ - /* SoC integrated controllers, no PCI interface */ - MV_FLAG_SOC = (1 << 28), MV_COMMON_FLAGS = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI | @@ -226,6 +224,11 @@ enum { PHY_MODE3 = 0x310, PHY_MODE4 = 0x314, + PHY_MODE4_CFG_MASK = 0x00000003, /* phy internal config field */ + PHY_MODE4_CFG_VALUE = 0x00000001, /* phy internal config field */ + PHY_MODE4_RSVD_ZEROS = 0x5de3fffa, /* Gen2e always write zeros */ + PHY_MODE4_RSVD_ONES = 0x00000005, /* Gen2e always write ones */ + PHY_MODE2 = 0x330, SATA_IFCTL_OFS = 0x344, SATA_TESTCTL_OFS = 0x348, @@ -356,12 +359,12 @@ enum { MV_HP_ERRATA_50XXB2 = (1 << 2), MV_HP_ERRATA_60X1B2 = (1 << 3), MV_HP_ERRATA_60X1C0 = (1 << 4), - MV_HP_ERRATA_XX42A0 = (1 << 5), MV_HP_GEN_I = (1 << 6), /* Generation I: 50xx */ MV_HP_GEN_II = (1 << 7), /* Generation II: 60xx */ MV_HP_GEN_IIE = (1 << 8), /* Generation IIE: 6042/7042 */ MV_HP_PCIE = (1 << 9), /* PCIe bus/regs: 7042 */ MV_HP_CUT_THROUGH = (1 << 10), /* can use EDMA cut-through */ + MV_HP_FLAG_SOC = (1 << 11), /* SystemOnChip, no PCI */ /* Port private flags (pp_flags) */ MV_PP_FLAG_EDMA_EN = (1 << 0), /* is EDMA engine enabled? */ @@ -374,7 +377,7 @@ enum { #define IS_GEN_II(hpriv) ((hpriv)->hp_flags & MV_HP_GEN_II) #define IS_GEN_IIE(hpriv) ((hpriv)->hp_flags & MV_HP_GEN_IIE) #define IS_PCIE(hpriv) ((hpriv)->hp_flags & MV_HP_PCIE) -#define HAS_PCI(host) (!((host)->ports[0]->flags & MV_FLAG_SOC)) +#define IS_SOC(hpriv) ((hpriv)->hp_flags & MV_HP_FLAG_SOC) #define WINDOW_CTRL(i) (0x20030 + ((i) << 4)) #define WINDOW_BASE(i) (0x20034 + ((i) << 4)) @@ -652,7 +655,7 @@ static const struct ata_port_info mv_port_info[] = { .port_ops = &mv_iie_ops, }, { /* chip_soc */ - .flags = MV_GENIIE_FLAGS | MV_FLAG_SOC, + .flags = MV_GENIIE_FLAGS, .pio_mask = 0x1f, /* pio0-4 */ .udma_mask = ATA_UDMA6, .port_ops = &mv_iie_ops, @@ -812,12 +815,7 @@ static void mv_set_edma_ptrs(void __iomem *port_mmio, writel((pp->crqb_dma >> 16) >> 16, port_mmio + EDMA_REQ_Q_BASE_HI_OFS); writelfl((pp->crqb_dma & EDMA_REQ_Q_BASE_LO_MASK) | index, port_mmio + EDMA_REQ_Q_IN_PTR_OFS); - - if (hpriv->hp_flags & MV_HP_ERRATA_XX42A0) - writelfl((pp->crqb_dma & 0xffffffff) | index, - port_mmio + EDMA_REQ_Q_OUT_PTR_OFS); - else - writelfl(index, port_mmio + EDMA_REQ_Q_OUT_PTR_OFS); + writelfl(index, port_mmio + EDMA_REQ_Q_OUT_PTR_OFS); /* * initialize response queue @@ -827,13 +825,7 @@ static void mv_set_edma_ptrs(void __iomem *port_mmio, WARN_ON(pp->crpb_dma & 0xff); writel((pp->crpb_dma >> 16) >> 16, port_mmio + EDMA_RSP_Q_BASE_HI_OFS); - - if (hpriv->hp_flags & MV_HP_ERRATA_XX42A0) - writelfl((pp->crpb_dma & 0xffffffff) | index, - port_mmio + EDMA_RSP_Q_IN_PTR_OFS); - else - writelfl(index, port_mmio + EDMA_RSP_Q_IN_PTR_OFS); - + writelfl(index, port_mmio + EDMA_RSP_Q_IN_PTR_OFS); writelfl((pp->crpb_dma & EDMA_RSP_Q_BASE_LO_MASK) | index, port_mmio + EDMA_RSP_Q_OUT_PTR_OFS); } @@ -1254,7 +1246,7 @@ static void mv_edma_cfg(struct ata_port *ap, int want_ncq) cfg |= (1 << 23); /* do not mask PM field in rx'd FIS */ cfg |= (1 << 22); /* enab 4-entry host queue cache */ - if (HAS_PCI(ap->host)) + if (!IS_SOC(hpriv)) cfg |= (1 << 18); /* enab early completion */ if (hpriv->hp_flags & MV_HP_CUT_THROUGH) cfg |= (1 << 17); /* enab cut-thru (dis stor&forwrd) */ @@ -1330,6 +1322,9 @@ static int mv_port_start(struct ata_port *ap) goto out_port_free_dma_mem; memset(pp->crpb, 0, MV_CRPB_Q_SZ); + /* 6041/6081 Rev. "C0" (and newer) are okay with async notify */ + if (hpriv->hp_flags & MV_HP_ERRATA_60X1C0) + ap->flags |= ATA_FLAG_AN; /* * For GEN_I, there's no NCQ, so we only allocate a single sg_tbl. * For later hardware, we need one unique sg_tbl per NCQ tag. @@ -1600,6 +1595,24 @@ static unsigned int mv_qc_issue(struct ata_queued_cmd *qc) if ((qc->tf.protocol != ATA_PROT_DMA) && (qc->tf.protocol != ATA_PROT_NCQ)) { + static int limit_warnings = 10; + /* + * Errata SATA#16, SATA#24: warn if multiple DRQs expected. + * + * Someday, we might implement special polling workarounds + * for these, but it all seems rather unnecessary since we + * normally use only DMA for commands which transfer more + * than a single block of data. + * + * Much of the time, this could just work regardless. + * So for now, just log the incident, and allow the attempt. + */ + if (limit_warnings && (qc->nbytes / qc->sect_size) > 1) { + --limit_warnings; + ata_link_printk(qc->dev->link, KERN_WARNING, DRV_NAME + ": attempting PIO w/multiple DRQ: " + "this may fail due to h/w errata\n"); + } /* * We're about to send a non-EDMA capable command to the * port. Turn off EDMA so there won't be problems accessing @@ -2225,7 +2238,7 @@ static irqreturn_t mv_interrupt(int irq, void *dev_instance) * a bogus register value which can indicate HW removal or PCI fault. */ if (pending_irqs && main_irq_cause != 0xffffffffU) { - if (unlikely((pending_irqs & PCI_ERR) && HAS_PCI(host))) + if (unlikely((pending_irqs & PCI_ERR) && !IS_SOC(hpriv))) handled = mv_pci_error(host, hpriv->base); else handled = mv_host_intr(host, pending_irqs); @@ -2547,7 +2560,7 @@ static void mv6_phy_errata(struct mv_host_priv *hpriv, void __iomem *mmio, 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; + u32 m2, m3; if (fix_phy_mode2) { m2 = readl(port_mmio + PHY_MODE2); @@ -2564,28 +2577,36 @@ static void mv6_phy_errata(struct mv_host_priv *hpriv, void __iomem *mmio, 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 + PHY_MODE3); + /* + * Gen-II/IIe PHY_MODE3 errata RM#2: + * Achieves better receiver noise performance than the h/w default: + */ + m3 = readl(port_mmio + PHY_MODE3); + m3 = (m3 & 0x1f) | (0x5555601 << 5); - /* workaround for errata FEr SATA#10 (part 1) */ - m4 = (m4 & ~(1 << 1)) | (1 << 0); + /* Guideline 88F5182 (GL# SATA-S11) */ + if (IS_SOC(hpriv)) + m3 &= ~0x1c; + if (fix_phy_mode4) { + u32 m4 = readl(port_mmio + PHY_MODE4); + /* + * Enforce reserved-bit restrictions on GenIIe devices only. + * For earlier chipsets, force only the internal config field + * (workaround for errata FEr SATA#10 part 1). + */ + if (IS_GEN_IIE(hpriv)) + m4 = (m4 & ~PHY_MODE4_RSVD_ZEROS) | PHY_MODE4_RSVD_ONES; + else + m4 = (m4 & ~PHY_MODE4_CFG_MASK) | PHY_MODE4_CFG_VALUE; writel(m4, port_mmio + PHY_MODE4); - - if (hp_flags & MV_HP_ERRATA_60X1B2) - writel(tmp, port_mmio + PHY_MODE3); } + /* + * Workaround for 60x1-B2 errata SATA#13: + * Any write to PHY_MODE4 (above) may corrupt PHY_MODE3, + * so we must always rewrite PHY_MODE3 after PHY_MODE4. + */ + writel(m3, port_mmio + PHY_MODE3); /* Revert values of pre-emphasis and signal amps to the saved ones */ m2 = readl(port_mmio + PHY_MODE2); @@ -2876,7 +2897,7 @@ static unsigned int mv_in_pcix_mode(struct ata_host *host) void __iomem *mmio = hpriv->base; u32 reg; - if (!HAS_PCI(host) || !IS_PCIE(hpriv)) + if (IS_SOC(hpriv) || !IS_PCIE(hpriv)) return 0; /* not PCI-X capable */ reg = readl(mmio + MV_PCI_MODE_OFS); if ((reg & MV_PCI_MODE_MASK) == 0) @@ -3003,10 +3024,7 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx) hp_flags |= MV_HP_CUT_THROUGH; switch (pdev->revision) { - case 0x0: - hp_flags |= MV_HP_ERRATA_XX42A0; - break; - case 0x1: + case 0x2: /* Rev.B0: the first/only public release */ hp_flags |= MV_HP_ERRATA_60X1C0; break; default: @@ -3018,7 +3036,7 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx) break; case chip_soc: hpriv->ops = &mv_soc_ops; - hp_flags |= MV_HP_ERRATA_60X1C0; + hp_flags |= MV_HP_FLAG_SOC | MV_HP_ERRATA_60X1C0; break; default: @@ -3062,12 +3080,12 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx) if (rc) goto done; - if (HAS_PCI(host)) { - hpriv->main_irq_cause_addr = mmio + PCI_HC_MAIN_IRQ_CAUSE_OFS; - hpriv->main_irq_mask_addr = mmio + PCI_HC_MAIN_IRQ_MASK_OFS; - } else { + if (IS_SOC(hpriv)) { hpriv->main_irq_cause_addr = mmio + SOC_HC_MAIN_IRQ_CAUSE_OFS; hpriv->main_irq_mask_addr = mmio + SOC_HC_MAIN_IRQ_MASK_OFS; + } else { + hpriv->main_irq_cause_addr = mmio + PCI_HC_MAIN_IRQ_CAUSE_OFS; + hpriv->main_irq_mask_addr = mmio + PCI_HC_MAIN_IRQ_MASK_OFS; } /* global interrupt mask: 0 == mask everything */ @@ -3093,7 +3111,7 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx) mv_port_init(&ap->ioaddr, port_mmio); #ifdef CONFIG_PCI - if (HAS_PCI(host)) { + if (!IS_SOC(hpriv)) { unsigned int offset = port_mmio - mmio; ata_port_pbar_desc(ap, MV_PRIMARY_BAR, -1, "mmio"); ata_port_pbar_desc(ap, MV_PRIMARY_BAR, offset, "port"); @@ -3113,7 +3131,7 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx) writelfl(0, hc_mmio + HC_IRQ_CAUSE_OFS); } - if (HAS_PCI(host)) { + if (!IS_SOC(hpriv)) { /* Clear any currently outstanding host interrupt conditions */ writelfl(0, mmio + hpriv->irq_cause_ofs); |