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authorGary Hade <garyhade@us.ibm.com>2007-10-03 18:56:14 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-10-12 18:03:18 -0400
commit036fff4cf732c4d69f99a2915924935705744b00 (patch)
tree87f6f02e40e8f5c28e6d629e009e6e64a45eec58 /arch/x86/pci/pci.h
parent8fa5913d54f3b1e09948e6a0db34da887e05ff1f (diff)
PCI: skip ISA ioresource alignment on some systems
Skip ISA ioresource alignment on some systems To conserve limited PCI i/o resource on some IBM multi-node systems, the BIOS allocates (via _CRS) and expects the kernel to use addresses in ranges currently excluded by pcibios_align_resource() [i386/pci/i386.c]. This change allows the kernel to use the currently excluded address ranges on the IBM x3800, x3850, and x3950. Signed-off-by: Gary Hade <gary.hade@us.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch/x86/pci/pci.h')
-rw-r--r--arch/x86/pci/pci.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/pci/pci.h b/arch/x86/pci/pci.h
index 8c66f275756f..057f335fa3f6 100644
--- a/arch/x86/pci/pci.h
+++ b/arch/x86/pci/pci.h
@@ -26,6 +26,7 @@
26#define PCI_ASSIGN_ROMS 0x1000 26#define PCI_ASSIGN_ROMS 0x1000
27#define PCI_BIOS_IRQ_SCAN 0x2000 27#define PCI_BIOS_IRQ_SCAN 0x2000
28#define PCI_ASSIGN_ALL_BUSSES 0x4000 28#define PCI_ASSIGN_ALL_BUSSES 0x4000
29#define PCI_CAN_SKIP_ISA_ALIGN 0x8000
29 30
30extern unsigned int pci_probe; 31extern unsigned int pci_probe;
31extern unsigned long pirq_table_addr; 32extern unsigned long pirq_table_addr;