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powerpc/PCI: Add legacy PCI access via sysfs

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This patch adds support for legacy_io and legacy_mem files in
bus class directories in sysfs for powerpc

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Benjamin Herrenschmidt
2008-10-14 11:55:31 +11:00
committed by Jesse Barnes
parent f19aeb1f36
commit e9f82cb750
3 changed files with 153 additions and 1 deletions
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7
arch/powerpc/include/asm/pci-bridge.h
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@@ -74,6 +74,13 @@ struct pci_controller {
unsigned long pci_io_size;
#endif
/* Some machines have a special region to forward the ISA
* "memory" cycles such as VGA memory regions. Left to 0
* if unsupported
*/
resource_size_t isa_mem_phys;
resource_size_t isa_mem_size;
struct pci_ops *ops;
unsigned int __iomem *cfg_addr;
void __iomem *cfg_data;