diff options
Diffstat (limited to 'arch/powerpc/kernel/pci_32.c')
-rw-r--r-- | arch/powerpc/kernel/pci_32.c | 45 |
1 files changed, 38 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index 0adf077..cd35c96 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -60,6 +60,24 @@ LIST_HEAD(hose_list); static int pci_bus_count; static void +fixup_hide_host_resource_fsl(struct pci_dev* dev) +{ + int i, class = dev->class >> 8; + + if ((class == PCI_CLASS_PROCESSOR_POWERPC) && + (dev->hdr_type == PCI_HEADER_TYPE_NORMAL) && + (dev->bus->parent == NULL)) { + for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { + dev->resource[i].start = 0; + dev->resource[i].end = 0; + dev->resource[i].flags = 0; + } + } +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MOTOROLA, PCI_ANY_ID, fixup_hide_host_resource_fsl); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_FREESCALE, PCI_ANY_ID, fixup_hide_host_resource_fsl); + +static void fixup_broken_pcnet32(struct pci_dev* dev) { if ((dev->class>>8 == PCI_CLASS_NETWORK_ETHERNET)) { @@ -415,15 +433,13 @@ probe_resource(struct pci_bus *parent, struct resource *pr, return 0; } -static void __init -update_bridge_base(struct pci_bus *bus, int i) +void __init +update_bridge_resource(struct pci_dev *dev, struct resource *res) { - struct resource *res = bus->resource[i]; u8 io_base_lo, io_limit_lo; u16 mem_base, mem_limit; u16 cmd; unsigned long start, end, off; - struct pci_dev *dev = bus->self; struct pci_controller *hose = dev->sysdata; if (!hose) { @@ -467,12 +483,20 @@ update_bridge_base(struct pci_bus *bus, int i) pci_write_config_word(dev, PCI_PREF_MEMORY_LIMIT, mem_limit); } else { - DBG(KERN_ERR "PCI: ugh, bridge %s res %d has flags=%lx\n", - pci_name(dev), i, res->flags); + DBG(KERN_ERR "PCI: ugh, bridge %s res has flags=%lx\n", + pci_name(dev), res->flags); } pci_write_config_word(dev, PCI_COMMAND, cmd); } +static void __init +update_bridge_base(struct pci_bus *bus, int i) +{ + struct resource *res = bus->resource[i]; + struct pci_dev *dev = bus->self; + update_bridge_resource(dev, res); +} + static inline void alloc_resource(struct pci_dev *dev, int idx) { struct resource *pr, *r = &dev->resource[idx]; @@ -1223,7 +1247,7 @@ pcibios_init(void) subsys_initcall(pcibios_init); -void __init pcibios_fixup_bus(struct pci_bus *bus) +void pcibios_fixup_bus(struct pci_bus *bus) { struct pci_controller *hose = (struct pci_controller *) bus->sysdata; unsigned long io_offset; @@ -1468,3 +1492,10 @@ EARLY_PCI_OP(read, dword, u32 *) EARLY_PCI_OP(write, byte, u8) EARLY_PCI_OP(write, word, u16) EARLY_PCI_OP(write, dword, u32) + +extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap); +int early_find_capability(struct pci_controller *hose, int bus, int devfn, + int cap) +{ + return pci_bus_find_capability(fake_pci_bus(hose, bus), devfn, cap); +} |