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authorIngo Molnar <mingo@elte.hu>2008-06-25 12:30:54 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-25 12:30:54 +0200
commit0ed368c71aa65cba8d349432bd4dab4a9a2eb39c (patch)
tree7746534bafd57f6764bda8f26efc3929a4acf914 /arch/alpha/kernel/pci.c
parent7aaaec38fcd9ef3172e69f8c19f20113830a8498 (diff)
parent543cf4cb3fe6f6cae3651ba918b9c56200b257d0 (diff)
Merge branch 'linus' into x86/kconfigtip-x86-kconfig-2008-06-25_10.30_Wed
Diffstat (limited to 'arch/alpha/kernel/pci.c')
-rw-r--r--arch/alpha/kernel/pci.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
index 36ab22a7ea12..5cf45fc51343 100644
--- a/arch/alpha/kernel/pci.c
+++ b/arch/alpha/kernel/pci.c
@@ -71,6 +71,23 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82378, quirk_i
static void __init
quirk_cypress(struct pci_dev *dev)
{
+ /* The Notorious Cy82C693 chip. */
+
+ /* The generic legacy mode IDE fixup in drivers/pci/probe.c
+ doesn't work correctly with the Cypress IDE controller as
+ it has non-standard register layout. Fix that. */
+ if (dev->class >> 8 == PCI_CLASS_STORAGE_IDE) {
+ dev->resource[2].start = dev->resource[3].start = 0;
+ dev->resource[2].end = dev->resource[3].end = 0;
+ dev->resource[2].flags = dev->resource[3].flags = 0;
+ if (PCI_FUNC(dev->devfn) == 2) {
+ dev->resource[0].start = 0x170;
+ dev->resource[0].end = 0x177;
+ dev->resource[1].start = 0x376;
+ dev->resource[1].end = 0x376;
+ }
+ }
+
/* The Cypress bridge responds on the PCI bus in the address range
0xffff0000-0xffffffff (conventional x86 BIOS ROM). There is no
way to turn this off. The bridge also supports several extended