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[POWERPC] Merge pcibios_resource_to_bus/bus_to_resource

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This merges the PowerPC 32 and 64 bits version of pcibios_resource_to_bus
and pcibios_bus_to_resource().

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Benjamin Herrenschmidt 2007-12-20 14:54:50 +11:00 committed by Paul Mackerras
parent fa462f2d75
commit fe2d338cdc
3 changed files with 36 additions and 74 deletions
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36
arch/powerpc/kernel/pci-common.c
View File

@ -655,3 +655,39 @@ int pci_proc_domain(struct pci_bus *bus)
#endif
}
void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
struct resource *res)
{
resource_size_t offset = 0, mask = (resource_size_t)-1;
struct pci_controller *hose = pci_bus_to_host(dev->bus);
if (!hose)
return;
if (res->flags & IORESOURCE_IO) {
offset = (unsigned long)hose->io_base_virt - _IO_BASE;
mask = 0xffffffffu;
} else if (res->flags & IORESOURCE_MEM)
offset = hose->pci_mem_offset;
region->start = (res->start - offset) & mask;
region->end = (res->end - offset) & mask;
}
EXPORT_SYMBOL(pcibios_resource_to_bus);
void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
struct pci_bus_region *region)
{
resource_size_t offset = 0, mask = (resource_size_t)-1;
struct pci_controller *hose = pci_bus_to_host(dev->bus);
if (!hose)
return;
if (res->flags & IORESOURCE_IO) {
offset = (unsigned long)hose->io_base_virt - _IO_BASE;
mask = 0xffffffffu;
} else if (res->flags & IORESOURCE_MEM)
offset = hose->pci_mem_offset;
res->start = (region->start + offset) & mask;
res->end = (region->end + offset) & mask;
}
EXPORT_SYMBOL(pcibios_bus_to_resource);

32
arch/powerpc/kernel/pci_32.c
View File

@ -145,38 +145,6 @@ pcibios_fixup_resources(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pcibios_fixup_resources);
void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
struct resource *res)
{
resource_size_t offset = 0, mask = (resource_size_t)-1;
struct pci_controller *hose = dev->sysdata;
if (hose && res->flags & IORESOURCE_IO) {
offset = (unsigned long)hose->io_base_virt - isa_io_base;
mask = 0xffffffffu;
} else if (hose && res->flags & IORESOURCE_MEM)
offset = hose->pci_mem_offset;
region->start = (res->start - offset) & mask;
region->end = (res->end - offset) & mask;
}
EXPORT_SYMBOL(pcibios_resource_to_bus);
void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
struct pci_bus_region *region)
{
resource_size_t offset = 0, mask = (resource_size_t)-1;
struct pci_controller *hose = dev->sysdata;
if (hose && res->flags & IORESOURCE_IO) {
offset = (unsigned long)hose->io_base_virt - isa_io_base;
mask = 0xffffffffu;
} else if (hose && res->flags & IORESOURCE_MEM)
offset = hose->pci_mem_offset;
res->start = (region->start + offset) & mask;
res->end = (region->end + offset) & mask;
}
EXPORT_SYMBOL(pcibios_bus_to_resource);
static int skip_isa_ioresource_align(struct pci_dev *dev)
{
if ((ppc_pci_flags & PPC_PCI_CAN_SKIP_ISA_ALIGN) &&

42
arch/powerpc/kernel/pci_64.c
View File

@ -93,48 +93,6 @@ static void fixup_broken_pcnet32(struct pci_dev* dev)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TRIDENT, PCI_ANY_ID, fixup_broken_pcnet32);
void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
struct resource *res)
{
unsigned long offset = 0;
struct pci_controller *hose = pci_bus_to_host(dev->bus);
if (!hose)
return;
if (res->flags & IORESOURCE_IO)
offset = (unsigned long)hose->io_base_virt - _IO_BASE;
if (res->flags & IORESOURCE_MEM)
offset = hose->pci_mem_offset;
region->start = res->start - offset;
region->end = res->end - offset;
}
void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
struct pci_bus_region *region)
{
unsigned long offset = 0;
struct pci_controller *hose = pci_bus_to_host(dev->bus);
if (!hose)
return;
if (res->flags & IORESOURCE_IO)
offset = (unsigned long)hose->io_base_virt - _IO_BASE;
if (res->flags & IORESOURCE_MEM)
offset = hose->pci_mem_offset;
res->start = region->start + offset;
res->end = region->end + offset;
}
#ifdef CONFIG_HOTPLUG
EXPORT_SYMBOL(pcibios_resource_to_bus);
EXPORT_SYMBOL(pcibios_bus_to_resource);
#endif
/*
* We need to avoid collisions with `mirrored' VGA ports