diff options
Diffstat (limited to 'arch/powerpc/sysdev/indirect_pci.c')
| -rw-r--r-- | arch/powerpc/sysdev/indirect_pci.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/powerpc/sysdev/indirect_pci.c b/arch/powerpc/sysdev/indirect_pci.c index 3dedf8f5bfb4..d490e71f0533 100644 --- a/arch/powerpc/sysdev/indirect_pci.c +++ b/arch/powerpc/sysdev/indirect_pci.c @@ -33,6 +33,7 @@ indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset, struct pci_controller *hose = bus->sysdata; volatile void __iomem *cfg_data; u8 cfg_type = 0; + u32 bus_no; if (ppc_md.pci_exclude_device) if (ppc_md.pci_exclude_device(hose, bus->number, devfn)) @@ -42,8 +43,11 @@ indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset, if (bus->number != hose->first_busno) cfg_type = 1; + bus_no = (bus->number == hose->first_busno) ? + hose->self_busno : bus->number - hose->bus_offset; + PCI_CFG_OUT(hose->cfg_addr, - (0x80000000 | ((bus->number - hose->bus_offset) << 16) + (0x80000000 | (bus_no << 16) | (devfn << 8) | ((offset & 0xfc) | cfg_type))); /* @@ -72,6 +76,7 @@ indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset, struct pci_controller *hose = bus->sysdata; volatile void __iomem *cfg_data; u8 cfg_type = 0; + u32 bus_no; if (ppc_md.pci_exclude_device) if (ppc_md.pci_exclude_device(hose, bus->number, devfn)) @@ -81,8 +86,11 @@ indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset, if (bus->number != hose->first_busno) cfg_type = 1; + bus_no = (bus->number == hose->first_busno) ? + hose->self_busno : bus->number - hose->bus_offset; + PCI_CFG_OUT(hose->cfg_addr, - (0x80000000 | ((bus->number - hose->bus_offset) << 16) + (0x80000000 | (bus_no << 16) | (devfn << 8) | ((offset & 0xfc) | cfg_type))); /* |