diff options
Diffstat (limited to 'drivers/ata/ata_piix.c')
| -rw-r--r-- | drivers/ata/ata_piix.c | 77 |
1 files changed, 75 insertions, 2 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 071d274afaa..3b8bf1812dc 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -94,7 +94,7 @@ #include <linux/dmi.h> #define DRV_NAME "ata_piix" -#define DRV_VERSION "2.11" +#define DRV_VERSION "2.12" enum { PIIX_IOCFG = 0x54, /* IDE I/O configuration register */ @@ -130,6 +130,7 @@ enum { ich6m_sata_ahci = 8, ich8_sata_ahci = 9, piix_pata_mwdma = 10, /* PIIX3 MWDMA only */ + tolapai_sata_ahci = 11, /* constants for mapping table */ P0 = 0, /* port 0 */ @@ -253,6 +254,8 @@ static const struct pci_device_id piix_pci_tbl[] = { { 0x8086, 0x292d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, /* SATA Controller IDE (ICH9M) */ { 0x8086, 0x292e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci }, + /* SATA Controller IDE (Tolapai) */ + { 0x8086, 0x5028, PCI_ANY_ID, PCI_ANY_ID, 0, 0, tolapai_sata_ahci }, { } /* terminate list */ }; @@ -441,12 +444,25 @@ static const struct piix_map_db ich8_map_db = { }, }; +static const struct piix_map_db tolapai_map_db = { + .mask = 0x3, + .port_enable = 0x3, + .map = { + /* PM PS SM SS MAP */ + { P0, NA, P1, NA }, /* 00b */ + { RV, RV, RV, RV }, /* 01b */ + { RV, RV, RV, RV }, /* 10b */ + { RV, RV, RV, RV }, + }, +}; + static const struct piix_map_db *piix_map_db_table[] = { [ich5_sata] = &ich5_map_db, [ich6_sata] = &ich6_map_db, [ich6_sata_ahci] = &ich6_map_db, [ich6m_sata_ahci] = &ich6m_map_db, [ich8_sata_ahci] = &ich8_map_db, + [tolapai_sata_ahci] = &tolapai_map_db, }; static struct ata_port_info piix_port_info[] = { @@ -560,6 +576,17 @@ static struct ata_port_info piix_port_info[] = { .mwdma_mask = 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */ .port_ops = &piix_pata_ops, }, + + /* tolapai_sata_ahci: 11: */ + { + .sht = &piix_sht, + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR | + PIIX_FLAG_AHCI, + .pio_mask = 0x1f, /* pio0-4 */ + .mwdma_mask = 0x07, /* mwdma0-2 */ + .udma_mask = ATA_UDMA6, + .port_ops = &piix_sata_ops, + }, }; static struct pci_bits piix_enable_bits[] = { @@ -908,6 +935,13 @@ static int piix_broken_suspend(void) }, }, { + .ident = "Satellite U200", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U200"), + }, + }, + { .ident = "Satellite U205", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), @@ -921,7 +955,8 @@ static int piix_broken_suspend(void) DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE M500"), }, }, - { } + + { } /* terminate list */ }; static const char *oemstrs[] = { "Tecra M3,", @@ -1139,6 +1174,41 @@ static void __devinit piix_init_sata_map(struct pci_dev *pdev, hpriv->map = map; } +static void piix_iocfg_bit18_quirk(struct pci_dev *pdev) +{ + static struct dmi_system_id sysids[] = { + { + /* Clevo M570U sets IOCFG bit 18 if the cdrom + * isn't used to boot the system which + * disables the channel. + */ + .ident = "M570U", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Clevo Co."), + DMI_MATCH(DMI_PRODUCT_NAME, "M570U"), + }, + }, + + { } /* terminate list */ + }; + u32 iocfg; + + if (!dmi_check_system(sysids)) + return; + + /* The datasheet says that bit 18 is NOOP but certain systems + * seem to use it to disable a channel. Clear the bit on the + * affected systems. + */ + pci_read_config_dword(pdev, PIIX_IOCFG, &iocfg); + if (iocfg & (1 << 18)) { + dev_printk(KERN_INFO, &pdev->dev, + "applying IOCFG bit18 quirk\n"); + iocfg &= ~(1 << 18); + pci_write_config_dword(pdev, PIIX_IOCFG, iocfg); + } +} + /** * piix_init_one - Register PIIX ATA PCI device with kernel services * @pdev: PCI device to register @@ -1200,6 +1270,9 @@ static int piix_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) piix_map_db_table[ent->driver_data]); } + /* apply IOCFG bit18 quirk */ + piix_iocfg_bit18_quirk(pdev); + /* On ICH5, some BIOSen disable the interrupt using the * PCI_COMMAND_INTX_DISABLE bit added in PCI 2.3. * On ICH6, this bit has the same effect, but only when |