summaryrefslogtreecommitdiffstats
path: root/drivers/ata
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/Kconfig8
-rw-r--r--drivers/ata/Makefile1
-rw-r--r--drivers/ata/ahci.c84
-rw-r--r--drivers/ata/ata_piix.c17
-rw-r--r--drivers/ata/libata-core.c78
-rw-r--r--drivers/ata/libata-eh.c6
-rw-r--r--drivers/ata/pata_at91.c358
-rw-r--r--drivers/ata/pata_atiixp.c19
-rw-r--r--drivers/ata/pata_mpc52xx.c2
-rw-r--r--drivers/ata/pata_octeon_cf.c3
-rw-r--r--drivers/ata/pata_pcmcia.c1
-rw-r--r--drivers/ata/sata_fsl.c35
-rw-r--r--drivers/ata/sata_mv.c2
-rw-r--r--drivers/ata/sata_nv.c8
-rw-r--r--drivers/ata/sata_sil.c2
15 files changed, 585 insertions, 39 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 2aa1908e5ce..b17c57f8503 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -679,6 +679,14 @@ config PATA_PLATFORM
If unsure, say N.
+config PATA_AT91
+ tristate "PATA support for AT91SAM9260"
+ depends on ARM && ARCH_AT91
+ help
+ This option enables support for IDE devices on the Atmel AT91SAM9260 SoC.
+
+ If unsure, say N.
+
config PATA_OF_PLATFORM
tristate "OpenFirmware platform device PATA support"
depends on PATA_PLATFORM && PPC_OF
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index 1558059874f..38906f9bbb4 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -72,6 +72,7 @@ obj-$(CONFIG_PATA_SCH) += pata_sch.o
obj-$(CONFIG_PATA_BF54X) += pata_bf54x.o
obj-$(CONFIG_PATA_OCTEON_CF) += pata_octeon_cf.o
obj-$(CONFIG_PATA_PLATFORM) += pata_platform.o
+obj-$(CONFIG_PATA_AT91) += pata_at91.o
obj-$(CONFIG_PATA_OF_PLATFORM) += pata_of_platform.o
obj-$(CONFIG_PATA_ICSIDE) += pata_icside.o
# Should be last but two libata driver
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 15a23031833..fe3eba5d6b3 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -219,6 +219,8 @@ enum {
AHCI_HFLAG_SECT255 = (1 << 8), /* max 255 sectors */
AHCI_HFLAG_YES_NCQ = (1 << 9), /* force NCQ cap on */
AHCI_HFLAG_NO_SUSPEND = (1 << 10), /* don't suspend */
+ AHCI_HFLAG_SRST_TOUT_IS_OFFLINE = (1 << 11), /* treat SRST timeout as
+ link offline */
/* ap->flags bits */
@@ -513,11 +515,16 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
{ PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
{ PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
+ { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
{ PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
+ { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
+ { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
{ PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
{ PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
+ { PCI_VDEVICE(INTEL, 0x3b29), board_ahci }, /* PCH AHCI */
{ PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
{ PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */
+ { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
/* JMicron 360/1/3/5/6, match class to avoid IDE function */
{ PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
@@ -1658,6 +1665,7 @@ static int ahci_do_softreset(struct ata_link *link, unsigned int *class,
int (*check_ready)(struct ata_link *link))
{
struct ata_port *ap = link->ap;
+ struct ahci_host_priv *hpriv = ap->host->private_data;
const char *reason = NULL;
unsigned long now, msecs;
struct ata_taskfile tf;
@@ -1696,12 +1704,21 @@ static int ahci_do_softreset(struct ata_link *link, unsigned int *class,
/* wait for link to become ready */
rc = ata_wait_after_reset(link, deadline, check_ready);
- /* link occupied, -ENODEV too is an error */
- if (rc) {
+ if (rc == -EBUSY && hpriv->flags & AHCI_HFLAG_SRST_TOUT_IS_OFFLINE) {
+ /*
+ * Workaround for cases where link online status can't
+ * be trusted. Treat device readiness timeout as link
+ * offline.
+ */
+ ata_link_printk(link, KERN_INFO,
+ "device not ready, treating as offline\n");
+ *class = ATA_DEV_NONE;
+ } else if (rc) {
+ /* link occupied, -ENODEV too is an error */
reason = "device not ready";
goto fail;
- }
- *class = ahci_dev_classify(ap);
+ } else
+ *class = ahci_dev_classify(ap);
DPRINTK("EXIT, class=%u\n", *class);
return 0;
@@ -1768,7 +1785,8 @@ static int ahci_sb600_softreset(struct ata_link *link, unsigned int *class,
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");
+ "applying SB600 PMP SRST workaround "
+ "and retrying\n");
rc = ahci_do_softreset(link, class, 0, deadline,
ahci_check_ready);
}
@@ -2721,6 +2739,56 @@ static bool ahci_broken_suspend(struct pci_dev *pdev)
return !ver || strcmp(ver, dmi->driver_data) < 0;
}
+static bool ahci_broken_online(struct pci_dev *pdev)
+{
+#define ENCODE_BUSDEVFN(bus, slot, func) \
+ (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
+ static const struct dmi_system_id sysids[] = {
+ /*
+ * There are several gigabyte boards which use
+ * SIMG5723s configured as hardware RAID. Certain
+ * 5723 firmware revisions shipped there keep the link
+ * online but fail to answer properly to SRST or
+ * IDENTIFY when no device is attached downstream
+ * causing libata to retry quite a few times leading
+ * to excessive detection delay.
+ *
+ * As these firmwares respond to the second reset try
+ * with invalid device signature, considering unknown
+ * sig as offline works around the problem acceptably.
+ */
+ {
+ .ident = "EP45-DQ6",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR,
+ "Gigabyte Technology Co., Ltd."),
+ DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
+ },
+ .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
+ },
+ {
+ .ident = "EP45-DS5",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR,
+ "Gigabyte Technology Co., Ltd."),
+ DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
+ },
+ .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
+ },
+ { } /* terminate list */
+ };
+#undef ENCODE_BUSDEVFN
+ const struct dmi_system_id *dmi = dmi_first_match(sysids);
+ unsigned int val;
+
+ if (!dmi)
+ return false;
+
+ val = (unsigned long)dmi->driver_data;
+
+ return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
+}
+
static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
static int printed_version;
@@ -2836,6 +2904,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
"BIOS update required for suspend/resume\n");
}
+ if (ahci_broken_online(pdev)) {
+ hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
+ dev_info(&pdev->dev,
+ "online status unreliable, applying workaround\n");
+ }
+
/* CAP.NP sometimes indicate the index of the last enabled
* port, at other times, that of the last possible port, so
* determining the maximum port number requires looking at
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index d0a14cf2bd7..9ac4e378992 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -596,9 +596,12 @@ static const struct ich_laptop ich_laptop[] = {
{ 0x27DF, 0x0005, 0x0280 }, /* ICH7 on Acer 5602WLMi */
{ 0x27DF, 0x1025, 0x0102 }, /* ICH7 on Acer 5602aWLMi */
{ 0x27DF, 0x1025, 0x0110 }, /* ICH7 on Acer 3682WLMi */
+ { 0x27DF, 0x1028, 0x02b0 }, /* ICH7 on unknown Dell */
{ 0x27DF, 0x1043, 0x1267 }, /* ICH7 on Asus W5F */
{ 0x27DF, 0x103C, 0x30A1 }, /* ICH7 on HP Compaq nc2400 */
+ { 0x27DF, 0x103C, 0x361a }, /* ICH7 on unkown HP */
{ 0x27DF, 0x1071, 0xD221 }, /* ICH7 on Hercules EC-900 */
+ { 0x27DF, 0x152D, 0x0778 }, /* ICH7 on unknown Intel */
{ 0x24CA, 0x1025, 0x0061 }, /* ICH4 on ACER Aspire 2023WLMi */
{ 0x24CA, 0x1025, 0x003d }, /* ICH4 on ACER TM290 */
{ 0x266F, 0x1025, 0x0066 }, /* ICH6 on ACER Aspire 1694WLMi */
@@ -661,6 +664,8 @@ static int piix_pata_prereset(struct ata_link *link, unsigned long deadline)
return ata_sff_prereset(link, deadline);
}
+static DEFINE_SPINLOCK(piix_lock);
+
/**
* piix_set_piomode - Initialize host controller PATA PIO timings
* @ap: Port whose timings we are configuring
@@ -674,8 +679,9 @@ static int piix_pata_prereset(struct ata_link *link, unsigned long deadline)
static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev)
{
- unsigned int pio = adev->pio_mode - XFER_PIO_0;
struct pci_dev *dev = to_pci_dev(ap->host->dev);
+ unsigned long flags;
+ unsigned int pio = adev->pio_mode - XFER_PIO_0;
unsigned int is_slave = (adev->devno != 0);
unsigned int master_port= ap->port_no ? 0x42 : 0x40;
unsigned int slave_port = 0x44;
@@ -705,6 +711,8 @@ static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev)
if (adev->class == ATA_DEV_ATA)
control |= 4; /* PPE enable */
+ spin_lock_irqsave(&piix_lock, flags);
+
/* PIO configuration clears DTE unconditionally. It will be
* programmed in set_dmamode which is guaranteed to be called
* after set_piomode if any DMA mode is available.
@@ -744,6 +752,8 @@ static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev)
udma_enable &= ~(1 << (2 * ap->port_no + adev->devno));
pci_write_config_byte(dev, 0x48, udma_enable);
}
+
+ spin_unlock_irqrestore(&piix_lock, flags);
}
/**
@@ -761,6 +771,7 @@ static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev)
static void do_pata_set_dmamode(struct ata_port *ap, struct ata_device *adev, int isich)
{
struct pci_dev *dev = to_pci_dev(ap->host->dev);
+ unsigned long flags;
u8 master_port = ap->port_no ? 0x42 : 0x40;
u16 master_data;
u8 speed = adev->dma_mode;
@@ -774,6 +785,8 @@ static void do_pata_set_dmamode(struct ata_port *ap, struct ata_device *adev, in
{ 2, 1 },
{ 2, 3 }, };
+ spin_lock_irqsave(&piix_lock, flags);
+
pci_read_config_word(dev, master_port, &master_data);
if (ap->udma_mask)
pci_read_config_byte(dev, 0x48, &udma_enable);
@@ -864,6 +877,8 @@ static void do_pata_set_dmamode(struct ata_port *ap, struct ata_device *adev, in
/* Don't scribble on 0x48 if the controller does not support UDMA */
if (ap->udma_mask)
pci_write_config_byte(dev, 0x48, udma_enable);
+
+ spin_unlock_irqrestore(&piix_lock, flags);
}
/**
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index ca4d208ddf3..072ba5ea138 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -125,19 +125,19 @@ MODULE_PARM_DESC(force, "Force ATA configurations including cable type, link spe
static int atapi_enabled = 1;
module_param(atapi_enabled, int, 0444);
-MODULE_PARM_DESC(atapi_enabled, "Enable discovery of ATAPI devices (0=off, 1=on)");
+MODULE_PARM_DESC(atapi_enabled, "Enable discovery of ATAPI devices (0=off, 1=on [default])");
static int atapi_dmadir = 0;
module_param(atapi_dmadir, int, 0444);
-MODULE_PARM_DESC(atapi_dmadir, "Enable ATAPI DMADIR bridge support (0=off, 1=on)");
+MODULE_PARM_DESC(atapi_dmadir, "Enable ATAPI DMADIR bridge support (0=off [default], 1=on)");
int atapi_passthru16 = 1;
module_param(atapi_passthru16, int, 0444);
-MODULE_PARM_DESC(atapi_passthru16, "Enable ATA_16 passthru for ATAPI devices; on by default (0=off, 1=on)");
+MODULE_PARM_DESC(atapi_passthru16, "Enable ATA_16 passthru for ATAPI devices (0=off, 1=on [default])");
int libata_fua = 0;
module_param_named(fua, libata_fua, int, 0444);
-MODULE_PARM_DESC(fua, "FUA support (0=off, 1=on)");
+MODULE_PARM_DESC(fua, "FUA support (0=off [default], 1=on)");
static int ata_ignore_hpa;
module_param_named(ignore_hpa, ata_ignore_hpa, int, 0644);
@@ -153,11 +153,11 @@ MODULE_PARM_DESC(ata_probe_timeout, "Set ATA probing timeout (seconds)");
int libata_noacpi = 0;
module_param_named(noacpi, libata_noacpi, int, 0444);
-MODULE_PARM_DESC(noacpi, "Disables the use of ACPI in probe/suspend/resume when set");
+MODULE_PARM_DESC(noacpi, "Disable the use of ACPI in probe/suspend/resume (0=off [default], 1=on)");
int libata_allow_tpm = 0;
module_param_named(allow_tpm, libata_allow_tpm, int, 0444);
-MODULE_PARM_DESC(allow_tpm, "Permit the use of TPM commands");
+MODULE_PARM_DESC(allow_tpm, "Permit the use of TPM commands (0=off [default], 1=on)");
MODULE_AUTHOR("Jeff Garzik");
MODULE_DESCRIPTION("Library module for ATA devices");
@@ -1515,6 +1515,7 @@ static int ata_hpa_resize(struct ata_device *dev)
return rc;
}
+ dev->n_native_sectors = native_sectors;
/* nothing to do? */
if (native_sectors <= sectors || !ata_ignore_hpa) {
@@ -1993,11 +1994,17 @@ unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd)
* Check if the current speed of the device requires IORDY. Used
* by various controllers for chip configuration.
*/
-
unsigned int ata_pio_need_iordy(const struct ata_device *adev)
{
- /* Controller doesn't support IORDY. Probably a pointless check
- as the caller should know this */
+ /* Don't set IORDY if we're preparing for reset. IORDY may
+ * lead to controller lock up on certain controllers if the
+ * port is not occupied. See bko#11703 for details.
+ */
+ if (adev->link->ap->pflags & ATA_PFLAG_RESETTING)
+ return 0;
+ /* Controller doesn't support IORDY. Probably a pointless
+ * check as the caller should know this.
+ */
if (adev->link->ap->flags & ATA_FLAG_NO_IORDY)
return 0;
/* CF spec. r4.1 Table 22 says no iordy on PIO5 and PIO6. */
@@ -2020,7 +2027,6 @@ unsigned int ata_pio_need_iordy(const struct ata_device *adev)
* Compute the highest mode possible if we are not using iordy. Return
* -1 if no iordy mode is available.
*/
-
static u32 ata_pio_mask_no_iordy(const struct ata_device *adev)
{
/* If we have no drive specific rule, then PIO 2 is non IORDY */
@@ -3387,17 +3393,27 @@ int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel)
static int ata_dev_set_mode(struct ata_device *dev)
{
+ struct ata_port *ap = dev->link->ap;
struct ata_eh_context *ehc = &dev->link->eh_context;
+ const bool nosetxfer = dev->horkage & ATA_HORKAGE_NOSETXFER;
const char *dev_err_whine = "";
int ign_dev_err = 0;
- unsigned int err_mask;
+ unsigned int err_mask = 0;
int rc;
dev->flags &= ~ATA_DFLAG_PIO;
if (dev->xfer_shift == ATA_SHIFT_PIO)
dev->flags |= ATA_DFLAG_PIO;
- err_mask = ata_dev_set_xfermode(dev);
+ if (nosetxfer && ap->flags & ATA_FLAG_SATA && ata_id_is_sata(dev->id))
+ dev_err_whine = " (SET_XFERMODE skipped)";
+ else {
+ if (nosetxfer)
+ ata_dev_printk(dev, KERN_WARNING,
+ "NOSETXFER but PATA detected - can't "
+ "skip SETXFER, might malfunction\n");
+ err_mask = ata_dev_set_xfermode(dev);
+ }
if (err_mask & ~AC_ERR_DEV)
goto fail;
@@ -4084,6 +4100,7 @@ int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class,
unsigned int readid_flags)
{
u64 n_sectors = dev->n_sectors;
+ u64 n_native_sectors = dev->n_native_sectors;
int rc;
if (!ata_dev_enabled(dev))
@@ -4113,16 +4130,30 @@ int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class,
/* verify n_sectors hasn't changed */
if (dev->class == ATA_DEV_ATA && n_sectors &&
dev->n_sectors != n_sectors) {
- ata_dev_printk(dev, KERN_INFO, "n_sectors mismatch "
+ ata_dev_printk(dev, KERN_WARNING, "n_sectors mismatch "
"%llu != %llu\n",
(unsigned long long)n_sectors,
(unsigned long long)dev->n_sectors);
-
- /* restore original n_sectors */
- dev->n_sectors = n_sectors;
-
- rc = -ENODEV;
- goto fail;
+ /*
+ * Something could have caused HPA to be unlocked
+ * involuntarily. If n_native_sectors hasn't changed
+ * and the new size matches it, keep the device.
+ */
+ if (dev->n_native_sectors == n_native_sectors &&
+ dev->n_sectors > n_sectors &&
+ dev->n_sectors == n_native_sectors) {
+ ata_dev_printk(dev, KERN_WARNING,
+ "new n_sectors matches native, probably "
+ "late HPA unlock, continuing\n");
+ /* keep using the old n_sectors */
+ dev->n_sectors = n_sectors;
+ } else {
+ /* restore original n_[native]_sectors and fail */
+ dev->n_native_sectors = n_native_sectors;
+ dev->n_sectors = n_sectors;
+ rc = -ENODEV;
+ goto fail;
+ }
}
return 0;
@@ -4271,6 +4302,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "WDC WD2500JD-00HBB0", "WD-WMAL71490727", ATA_HORKAGE_BROKEN_HPA },
{ "MAXTOR 6L080L4", "A93.0500", ATA_HORKAGE_BROKEN_HPA },
+ /* this one allows HPA unlocking but fails IOs on the area */
+ { "OCZ-VERTEX", "1.30", ATA_HORKAGE_BROKEN_HPA },
+
/* Devices which report 1 sector over size HPA */
{ "ST340823A", NULL, ATA_HORKAGE_HPA_SIZE, },
{ "ST320413A", NULL, ATA_HORKAGE_HPA_SIZE, },
@@ -4292,6 +4326,12 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
/* Devices which aren't very happy with higher link speeds */
{ "WD My Book", NULL, ATA_HORKAGE_1_5_GBPS, },
+ /*
+ * Devices which choke on SETXFER. Applies only if both the
+ * device and controller are SATA.
+ */
+ { "PIONEER DVD-RW DVRTD08", "1.00", ATA_HORKAGE_NOSETXFER },
+
/* End Marker */
{ }
};
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index fa22f94ca41..79711b64054 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2327,7 +2327,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
struct ata_port *ap = link->ap;
struct ata_link *slave = ap->slave_link;
struct ata_eh_context *ehc = &link->eh_context;
- struct ata_eh_context *sehc = &slave->eh_context;
+ struct ata_eh_context *sehc = slave ? &slave->eh_context : NULL;
unsigned int *classes = ehc->classes;
unsigned int lflags = link->flags;
int verbose = !(ehc->i.flags & ATA_EHI_QUIET);
@@ -2517,6 +2517,10 @@ int ata_eh_reset(struct ata_link *link, int classify,
ata_eh_about_to_do(link, NULL, ATA_EH_RESET);
rc = ata_do_reset(link, reset, classes, deadline, true);
+ if (rc) {
+ failed_link = link;
+ goto fail;
+ }
}
} else {
if (verbose)
diff --git a/drivers/ata/pata_at91.c b/drivers/ata/pata_at91.c
new file mode 100644
index 00000000000..41c94b1ae49
--- /dev/null
+++ b/drivers/ata/pata_at91.c
@@ -0,0 +1,358 @@
+/*
+ * PATA driver for AT91SAM9260 Static Memory Controller
+ * with CompactFlash interface in True IDE mode
+ *
+ * Copyright (C) 2009 Matyukevich Sergey
+ *
+ * Based on:
+ * * generic platform driver by Paul Mundt: drivers/ata/pata_platform.c
+ * * pata_at32 driver by Kristoffer Nyborg Gregertsen
+ * * at91_ide driver by Stanislaw Gruszka
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/blkdev.h>
+#include <scsi/scsi_host.h>
+#include <linux/ata.h>
+#include <linux/clk.h>
+#include <linux/libata.h>
+#include <linux/platform_device.h>
+#include <linux/ata_platform.h>
+
+#include <mach/at91sam9_smc.h>
+#include <mach/board.h>
+#include <mach/gpio.h>
+
+
+#define DRV_NAME "pata_at91"
+#define DRV_VERSION "0.1"
+
+#define CF_IDE_OFFSET 0x00c00000
+#define CF_ALT_IDE_OFFSET 0x00e00000
+#define CF_IDE_RES_SIZE 0x08
+
+struct at91_ide_info {
+ unsigned long mode;
+ unsigned int cs;
+
+ struct clk *mck;
+
+ void __iomem *ide_addr;
+ void __iomem *alt_addr;
+};
+
+static const struct ata_timing initial_timing =
+ {XFER_PIO_0, 70, 290, 240, 600, 165, 150, 600, 0};
+
+static unsigned long calc_mck_cycles(unsigned long ns, unsigned long mck_hz)
+{
+ unsigned long mul;
+
+ /*
+ * cycles = x [nsec] * f [Hz] / 10^9 [ns in sec] =
+ * x * (f / 1_000_000_000) =
+ * x * ((f * 65536) / 1_000_000_000) / 65536 =
+ * x * (((f / 10_000) * 65536) / 100_000) / 65536 =
+ */
+
+ mul = (mck_hz / 10000) << 16;
+ mul /= 100000;
+
+ return (ns * mul + 65536) >> 16; /* rounding */
+}
+
+static void set_smc_mode(struct at91_ide_info *info)
+{
+ at91_sys_write(AT91_SMC_MODE(info->cs), info->mode);
+ return;
+}
+
+static void set_smc_timing(struct device *dev,
+ struct at91_ide_info *info, const struct ata_timing *ata)
+{
+ unsigned long read_cycle, write_cycle, active, recover;
+ unsigned long nrd_setup, nrd_pulse, nrd_recover;
+ unsigned long nwe_setup, nwe_pulse;
+
+ unsigned long ncs_write_setup, ncs_write_pulse;
+ unsigned long ncs_read_setup, ncs_read_pulse;
+
+ unsigned long mck_hz;
+
+ read_cycle = ata->cyc8b;
+ nrd_setup = ata->setup;
+ nrd_pulse = ata->act8b;
+ nrd_recover = ata->rec8b;
+
+ mck_hz = clk_get_rate(info->mck);
+
+ read_cycle = calc_mck_cycles(read_cycle, mck_hz);
+ nrd_setup = calc_mck_cycles(nrd_setup, mck_hz);
+ nrd_pulse = calc_mck_cycles(nrd_pulse, mck_hz);
+ nrd_recover = calc_mck_cycles(nrd_recover, mck_hz);
+
+ active = nrd_setup + nrd_pulse;
+ recover = read_cycle - active;
+
+ /* Need at least two cycles recovery */
+ if (recover < 2)
+ read_cycle = active + 2;
+
+ /* (CS0, CS1, DIR, OE) <= (CFCE1, CFCE2, CFRNW, NCSX) timings */
+ ncs_read_setup = 1;
+ ncs_read_pulse = read_cycle - 2;
+
+ /* Write timings same as read timings */
+ write_cycle = read_cycle;
+ nwe_setup = nrd_setup;
+ nwe_pulse = nrd_pulse;
+ ncs_write_setup = ncs_read_setup;
+ ncs_write_pulse = ncs_read_pulse;
+
+ dev_dbg(dev, "ATA timings: nrd_setup = %lu nrd_pulse = %lu nrd_cycle = %lu\n",
+ nrd_setup, nrd_pulse, read_cycle);
+ dev_dbg(dev, "ATA timings: nwe_setup = %lu nwe_pulse = %lu nwe_cycle = %lu\n",
+ nwe_setup, nwe_pulse, write_cycle);
+ dev_dbg(dev, "ATA timings: ncs_read_setup = %lu ncs_read_pulse = %lu\n",
+ ncs_read_setup, ncs_read_pulse);
+ dev_dbg(dev, "ATA timings: ncs_write_setup = %lu ncs_write_pulse = %lu\n",
+ ncs_write_setup, ncs_write_pulse);
+
+ at91_sys_write(AT91_SMC_SETUP(info->cs),
+ AT91_SMC_NWESETUP_(nwe_setup) |
+ AT91_SMC_NRDSETUP_(nrd_setup) |
+ AT91_SMC_NCS_WRSETUP_(ncs_write_setup) |
+ AT91_SMC_NCS_RDSETUP_(ncs_read_setup));
+
+ at91_sys_write(AT91_SMC_PULSE(info->cs),
+ AT91_SMC_NWEPULSE_(nwe_pulse) |
+ AT91_SMC_NRDPULSE_(nrd_pulse) |
+ AT91_SMC_NCS_WRPULSE_(ncs_write_pulse) |
+ AT91_SMC_NCS_RDPULSE_(ncs_read_pulse));
+
+ at91_sys_write(AT91_SMC_CYCLE(info->cs),
+ AT91_SMC_NWECYCLE_(write_cycle) |
+ AT91_SMC_NRDCYCLE_(read_cycle));
+
+ return;
+}
+
+static void pata_at91_set_piomode(struct ata_port *ap, struct ata_device *adev)
+{
+ struct at91_ide_info *info = ap->host->private_data;
+ struct ata_timing timing;
+ int ret;
+
+ /* Compute ATA timing and set it to SMC */
+ ret = ata_timing_compute(adev, adev->pio_mode, &timing, 1000, 0);
+ if (ret) {
+ dev_warn(ap->dev, "Failed to compute ATA timing %d, \
+ set PIO_0 timing\n", ret);
+ set_smc_timing(ap->dev, info, &initial_timing);
+ } else {
+ set_smc_timing(ap->dev, info, &timing);
+ }
+
+ /* Setup SMC mode */
+ set_smc_mode(info);
+
+ return;
+}
+
+static unsigned int pata_at91_data_xfer_noirq(struct ata_device *dev,
+ unsigned char *buf, unsigned int buflen, int rw)
+{
+ struct at91_ide_info *info = dev->link->ap->host->private_data;
+ unsigned int consumed;
+ unsigned long flags;
+ unsigned int mode;
+
+ local_irq_save(flags);
+ mode = at91_sys_read(AT91_SMC_MODE(info->cs));
+
+ /* set 16bit mode before writing data */
+ at91_sys_write(AT91_SMC_MODE(info->cs),
+ (mode & ~AT91_SMC_DBW) | AT91_SMC_DBW_16);
+
+ consumed = ata_sff_data_xfer(dev, buf, buflen, rw);
+
+ /* restore 8bit mode after data is written */
+ at91_sys_write(AT91_SMC_MODE(info->cs),
+ (mode & ~AT91_SMC_DBW) | AT91_SMC_DBW_8);
+
+ local_irq_restore(flags);
+ return consumed;
+}
+
+static struct scsi_host_template pata_at91_sht = {
+ ATA_PIO_SHT(DRV_NAME),
+};
+
+static struct ata_port_operations pata_at91_port_ops = {
+ .inherits = &ata_sff_port_ops,
+
+ .sff_data_xfer = pata_at91_data_xfer_noirq,
+ .set_piomode = pata_at91_set_piomode,
+ .cable_detect = ata_cable_40wire,
+ .port_start = ATA_OP_NULL,
+};
+
+static int __devinit pata_at91_probe(struct platform_device *pdev)
+{
+ struct at91_cf_data *board = pdev->dev.platform_data;
+ struct device *dev = &pdev->dev;
+ struct at91_ide_info *info;
+ struct resource *mem_res;
+ struct ata_host *host;
+ struct ata_port *ap;
+
+ int irq_flags = 0;
+ int irq = 0;
+ int ret;
+
+ /* get platform resources: IO/CTL memories and irq/rst pins */
+
+ if (pdev->num_resources != 1) {
+ dev_err(&pdev->dev, "invalid number of resources\n");
+ return -EINVAL;
+ }
+
+ mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+ if (!mem_res) {
+ dev_err(dev, "failed to get mem resource\n");
+ return -EINVAL;
+ }
+
+ irq = board->irq_pin;
+
+ /* init ata host */
+
+ host = ata_host_alloc(dev, 1);
+
+ if (!host)
+ return -ENOMEM;
+
+ ap = host->ports[0];
+ ap->ops = &pata_at91_port_ops;
+ ap->flags |= ATA_FLAG_SLAVE_POSS;
+ ap->pio_mask = ATA_PIO4;
+
+ if (!irq) {
+ ap->flags |= ATA_FLAG_PIO_POLLING;
+ ata_port_desc(ap, "no IRQ, using PIO polling");
+ }
+
+ info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
+
+ if (!info) {
+ dev_err(dev, "failed to allocate memory for private data\n");
+ return -ENOMEM;
+ }
+
+ info->mck = clk_get(NULL, "mck");
+
+ if (IS_ERR(info->mck)) {
+ dev_err(dev, "failed to get access to mck clock\n");
+ return -ENODEV;
+ }
+
+ info->cs = board->chipselect;
+ info->mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
+ AT91_SMC_EXNWMODE_READY | AT91_SMC_BAT_SELECT |
+ AT91_SMC_DBW_8 | AT91_SMC_TDF_(0);
+
+ info->ide_addr = devm_ioremap(dev,
+ mem_res->start + CF_IDE_OFFSET, CF_IDE_RES_SIZE);
+
+ if (!info->ide_addr) {
+ dev_err(dev, "failed to map IO base\n");
+ ret = -ENOMEM;
+ goto err_put;
+ }
+
+ info->alt_addr = devm_ioremap(dev,
+ mem_res->start + CF_ALT_IDE_OFFSET, CF_IDE_RES_SIZE);
+
+ if (!info->alt_addr) {
+ dev_err(dev, "failed to map CTL base\n");
+ ret = -ENOMEM;
+ goto err_put;
+ }
+
+ ap->ioaddr.cmd_addr = info->ide_addr;
+ ap->ioaddr.ctl_addr = info->alt_addr + 0x06;
+ ap->ioaddr.altstatus_addr = ap->ioaddr.ctl_addr;
+
+ ata_sff_std_ports(&ap->ioaddr);
+
+ ata_port_desc(ap, "mmio cmd 0x%llx ctl 0x%llx",
+ (unsigned long long)mem_res->start + CF_IDE_OFFSET,
+ (unsigned long long)mem_res->start + CF_ALT_IDE_OFFSET);
+
+ host->private_data = info;
+
+ return ata_host_activate(host, irq ? gpio_to_irq(irq) : 0,
+ irq ? ata_sff_interrupt : NULL,
+ irq_flags, &pata_at91_sht);
+
+err_put:
+ clk_put(info->mck);
+ return ret;
+}
+
+static int __devexit pata_at91_remove(struct platform_device *pdev)
+{
+ struct ata_host *host = dev_get_drvdata(&pdev->dev);
+ struct at91_ide_info *info;
+
+ if (!host)
+ return 0;
+ info = host->private_data;
+
+ ata_host_detach(host);
+
+ if (!info)
+ return 0;
+
+ clk_put(info->mck);
+
+ return 0;
+}
+
+static struct platform_driver pata_at91_driver = {
+ .probe = pata_at91_probe,
+ .remove = __devexit_p(pata_at91_remove),
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init pata_at91_init(void)
+{
+ return platform_driver_register(&pata_at91_driver);
+}
+
+static void __exit pata_at91_exit(void)
+{
+ platform_driver_unregister(&pata_at91_driver);
+}
+
+
+module_init(pata_at91_init);
+module_exit(pata_at91_exit);
+
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Driver for CF in True IDE mode on AT91SAM9260 SoC");
+MODULE_AUTHOR("Matyukevich Sergey");
+MODULE_VERSION(DRV_VERSION);
+
diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c
index bec0b8ade66..45915566e4e 100644
--- a/drivers/ata/pata_atiixp.c
+++ b/drivers/ata/pata_atiixp.c
@@ -1,6 +1,7 @@
/*
* pata_atiixp.c - ATI PATA for new ATA layer
* (C) 2005 Red Hat Inc
+ * (C) 2009 Bartlomiej Zolnierkiewicz
*
* Based on
*
@@ -61,20 +62,19 @@ static void atiixp_set_pio_timing(struct ata_port *ap, struct ata_device *adev,
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
int dn = 2 * ap->port_no + adev->devno;
-
- /* Check this is correct - the order is odd in both drivers */
int timing_shift = (16 * ap->port_no) + 8 * (adev->devno ^ 1);
- u16 pio_mode_data, pio_timing_data;
+ u32 pio_timing_data;
+ u16 pio_mode_data;
pci_read_config_word(pdev, ATIIXP_IDE_PIO_MODE, &pio_mode_data);
pio_mode_data &= ~(0x7 << (4 * dn));
pio_mode_data |= pio << (4 * dn);
pci_write_config_word(pdev, ATIIXP_IDE_PIO_MODE, pio_mode_data);
- pci_read_config_word(pdev, ATIIXP_IDE_PIO_TIMING, &pio_timing_data);
+ pci_read_config_dword(pdev, ATIIXP_IDE_PIO_TIMING, &pio_timing_data);
pio_timing_data &= ~(0xFF << timing_shift);
pio_timing_data |= (pio_timings[pio] << timing_shift);
- pci_write_config_word(pdev, ATIIXP_IDE_PIO_TIMING, pio_timing_data);
+ pci_write_config_dword(pdev, ATIIXP_IDE_PIO_TIMING, pio_timing_data);
}
/**
@@ -119,16 +119,17 @@ static void atiixp_set_dmamode(struct ata_port *ap, struct ata_device *adev)
udma_mode_data |= dma << (4 * dn);
pci_write_config_word(pdev, ATIIXP_IDE_UDMA_MODE, udma_mode_data);
} else {
- u16 mwdma_timing_data;
- /* Check this is correct - the order is odd in both drivers */
int timing_shift = (16 * ap->port_no) + 8 * (adev->devno ^ 1);
+ u32 mwdma_timing_data;
dma -= XFER_MW_DMA_0;
- pci_read_config_word(pdev, ATIIXP_IDE_MWDMA_TIMING, &mwdma_timing_data);
+ pci_read_config_dword(pdev, ATIIXP_IDE_MWDMA_TIMING,
+ &mwdma_timing_data);
mwdma_timing_data &= ~(0xFF << timing_shift);
mwdma_timing_data |= (mwdma_timings[dma] << timing_shift);
- pci_write_config_word(pdev, ATIIXP_IDE_MWDMA_TIMING, mwdma_timing_data);
+ pci_write_config_dword(pdev, ATIIXP_IDE_MWDMA_TIMING,
+ mwdma_timing_data);
}
/*
* We must now look at the PIO mode situation. We may need to
diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
index 68d27bc70d0..2bc2dbe30e8 100644
--- a/drivers/ata/pata_mpc52xx.c
+++ b/drivers/ata/pata_mpc52xx.c
@@ -694,7 +694,7 @@ mpc52xx_ata_probe(struct of_device *op, const struct of_device_id *match)
struct bcom_task *dmatsk = NULL;
/* Get ipb frequency */
- ipb_freq = mpc52xx_find_ipb_freq(op->node);
+ ipb_freq = mpc5xxx_get_bus_frequency(op->node);
if (!ipb_freq) {
dev_err(&op->dev, "could not determine IPB bus frequency\n");
return -ENODEV;
diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c
index 8d9343accf3..abdd19fe990 100644
--- a/drivers/ata/pata_octeon_cf.c
+++ b/drivers/ata/pata_octeon_cf.c
@@ -653,7 +653,8 @@ static irqreturn_t octeon_cf_interrupt(int irq, void *dev_instance)
ap = host->ports[i];
ocd = ap->dev->platform_data;
- if (!ap || (ap->flags & ATA_FLAG_DISABLED))
+
+ if (ap->flags & ATA_FLAG_DISABLED)
continue;
ocd = ap->dev->platform_data;
diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c
index f4d009ed50a..dc99e26f8e5 100644
--- a/drivers/ata/pata_pcmcia.c
+++ b/drivers/ata/pata_pcmcia.c
@@ -411,6 +411,7 @@ static struct pcmcia_device_id pcmcia_devices[] = {
PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
+ PCMCIA_DEVICE_PROD_ID12("CNF ", "CD-ROM", 0x46d7db81, 0x66536591),
PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index 36b8629203b..94eaa432c40 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -1378,6 +1378,37 @@ static int sata_fsl_remove(struct of_device *ofdev)
return 0;
}
+#ifdef CONFIG_PM
+static int sata_fsl_suspend(struct of_device *op, pm_message_t state)
+{
+ struct ata_host *host = dev_get_drvdata(&op->dev);
+ return ata_host_suspend(host, state);
+}
+
+static int sata_fsl_resume(struct of_device *op)
+{
+ struct ata_host *host = dev_get_drvdata(&op->dev);
+ struct sata_fsl_host_priv *host_priv = host->private_data;
+ int ret;
+ void __iomem *hcr_base = host_priv->hcr_base;
+ struct ata_port *ap = host->ports[0];
+ struct sata_fsl_port_priv *pp = ap->private_data;
+
+ ret = sata_fsl_init_controller(host);
+ if (ret) {
+ dev_printk(KERN_ERR, &op->dev,
+ "Error initialize hardware\n");
+ return ret;
+ }
+
+ /* Recovery the CHBA register in host controller cmd register set */
+ iowrite32(pp->cmdslot_paddr & 0xffffffff, hcr_base + CHBA);
+
+ ata_host_resume(host);
+ return 0;
+}
+#endif
+
static struct of_device_id fsl_sata_match[] = {
{
.compatible = "fsl,pq-sata",
@@ -1392,6 +1423,10 @@ static struct of_platform_driver fsl_sata_driver = {
.match_table = fsl_sata_match,
.probe = sata_fsl_probe,
.remove = sata_fsl_remove,
+#ifdef CONFIG_PM
+ .suspend = sata_fsl_suspend,
+ .resume = sata_fsl_resume,
+#endif
};
static int __init sata_fsl_init(void)
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 23714aefb82..c19417e0220 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -2514,7 +2514,7 @@ static void mv_unexpected_intr(struct ata_port *ap, int edma_was_enabled)
char *when = "idle";
ata_ehi_clear_desc(ehi);
- if (!ap || (ap->flags & ATA_FLAG_DISABLED)) {
+ if (ap->flags & ATA_FLAG_DISABLED) {
when = "disabled";
} else if (edma_was_enabled) {
when = "EDMA enabled";
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index b2d11f300c3..86a40582999 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -602,6 +602,7 @@ MODULE_VERSION(DRV_VERSION);
static int adma_enabled;
static int swncq_enabled = 1;
+static int msi_enabled;
static void nv_adma_register_mode(struct ata_port *ap)
{
@@ -2459,6 +2460,11 @@ static int nv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
} else if (type == SWNCQ)
nv_swncq_host_init(host);
+ if (msi_enabled) {
+ dev_printk(KERN_NOTICE, &pdev->dev, "Using MSI\n");
+ pci_enable_msi(pdev);
+ }
+
pci_set_master(pdev);
return ata_host_activate(host, pdev->irq, ipriv->irq_handler,
IRQF_SHARED, ipriv->sht);
@@ -2558,4 +2564,6 @@ module_param_named(adma, adma_enabled, bool, 0444);
MODULE_PARM_DESC(adma, "Enable use of ADMA (Default: false)");
module_param_named(swncq, swncq_enabled, bool, 0444);
MODULE_PARM_DESC(swncq, "Enable use of SWNCQ (Default: true)");
+module_param_named(msi, msi_enabled, bool, 0444);
+MODULE_PARM_DESC(msi, "Enable use of MSI (Default: false)");
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index 030ec079b18..35bd5cc7f28 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -532,7 +532,7 @@ static irqreturn_t sil_interrupt(int irq, void *dev_instance)
struct ata_port *ap = host->ports[i];
u32 bmdma2 = readl(mmio_base + sil_port[ap->port_no].bmdma2);
- if (unlikely(!ap || ap->flags & ATA_FLAG_DISABLED))
+ if (unlikely(ap->flags & ATA_FLAG_DISABLED))
continue;
/* turn off SATA_IRQ if not supported */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-21 17:52:16 +0000