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authorConke Hu <conke.hu@gmail.com>2006-12-19 13:11:37 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2006-12-20 10:54:44 -0800
commitab17443a3df35abe4b7529e83511a591aa7384f3 (patch)
treeb28c62aa1112785a0fc4d0609e8593ae3bac45f0 /drivers/pci
parentfb0f2b40faff41f03acaa2ee6e6231fc96ca497c (diff)
PCI: ATI sb600 sata quirk
Acked-by: Jeff Garzik <jeff@garzik.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/quirks.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 8a2db01b903..8f0322d6f3b 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -850,6 +850,23 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454NX, quirk_
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)
+{
+ /* set sb600 sata to ahci mode */
+ if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
+ u8 tmp;
+
+ pci_read_config_byte(pdev, 0x40, &tmp);
+ pci_write_config_byte(pdev, 0x40, tmp|1);
+ pci_write_config_byte(pdev, 0x9, 1);
+ pci_write_config_byte(pdev, 0xa, 6);
+ pci_write_config_byte(pdev, 0x40, tmp);
+
+ pdev->class = 0x010601;
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_sb600_sata);
+
/*
* Serverworks CSB5 IDE does not fully support native mode
*/