Messages in this thread Patch in this message | | | Subject | [PATCH] PCI subsystem: AMD SATA IDE mode quirk | Date | Sat, 2 Feb 2008 13:56:56 +0800 | From | "Cai, Crane" <> |
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From: Crane Cai <crane.cai@amd.com>
PCI: modify SATA IDE mode quirk When initialize and resume, SB600/700/800 need to set SATA mode correctly.
Signed-off-by: Crane Cai <crane.cai@amd.com> -------------------------------------------- --- a/drivers/pci/quirks.c 2007-09-24 14:16:32.000000000 -0400 +++ b/drivers/pci/quirks.c 2008-02-02 11:23:47.000000000 -0500 @@ -859,12 +859,13 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_IN DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454NX, quirk_disable_pxb ); -static void __devinit quirk_sb600_sata(struct pci_dev *pdev) +static void __devinit quirk_amd_ide_mode(struct pci_dev *pdev) { - /* set sb600 sata to ahci mode */ - if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) { - u8 tmp; + /* set sb600/sb700/sb800 sata to ahci mode */ + u8 tmp; + pci_read_config_byte(pdev, PCI_CLASS_DEVICE, &tmp); + if (tmp == 0x01) { pci_read_config_byte(pdev, 0x40, &tmp); pci_write_config_byte(pdev, 0x40, tmp|1); pci_write_config_byte(pdev, 0x9, 1); @@ -872,10 +873,13 @@ static void __devinit quirk_sb600_sata(s pci_write_config_byte(pdev, 0x40, tmp); pdev->class = PCI_CLASS_STORAGE_SATA_AHCI; + printk(KERN_INFO "PCI: set SATA to AHCI mode\n"); } } -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_sb600_sata); -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_sb600_sata); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode); +DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode); +DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode); /* * Serverworks CSB5 IDE does not fully support native mode
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