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Diffstat (limited to 'arch/powerpc/kernel/pci_64.c')
-rw-r--r--arch/powerpc/kernel/pci_64.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 60d7d4baa22..706b7f3da5f 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -1006,8 +1006,9 @@ void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose,
switch ((pci_space >> 24) & 0x3) {
case 1: /* I/O space */
- hose->io_base_phys = cpu_phys_addr;
- hose->pci_io_size = size;
+ hose->io_base_phys = cpu_phys_addr - pci_addr;
+ /* handle from 0 to top of I/O window */
+ hose->pci_io_size = pci_addr + size;
res = &hose->io_resource;
res->flags = IORESOURCE_IO;
@@ -1117,8 +1118,8 @@ static int get_bus_io_range(struct pci_bus *bus, unsigned long *start_phys,
} else {
/* Root Bus */
res = &hose->io_resource;
- *start_phys = hose->io_base_phys;
- *start_virt = (unsigned long) hose->io_base_virt;
+ *start_phys = hose->io_base_phys + res->start;
+ *start_virt = (unsigned long) hose->io_base_virt + res->start;
if (res->end > res->start)
*size = res->end - res->start + 1;
else {