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[PATCH] powerpc: Update OF address parsers

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This updates the OF address parsers to return the IO flags
indicating the type of address obtained. It also adds a PCI
call for converting physical addresses that hit IO space into
into IO tokens, and add routines that return the translated
addresses into struct 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
2005-11-30 16:57:28 +11:00
committed by Paul Mackerras
parent bb6b9b28d6
commit d2dd482bc1
10 changed files with 251 additions and 36 deletions
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15
arch/ppc/kernel/pci.c
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@ -1805,6 +1805,21 @@ void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
EXPORT_SYMBOL(pci_iomap);
EXPORT_SYMBOL(pci_iounmap);
unsigned int pci_address_to_pio(phys_addr_t address)
{
struct pci_controller* hose = hose_head;
for (; hose; hose = hose->next) {
unsigned int size = hose->io_resource.end -
hose->io_resource.start + 1;
if (address >= hose->io_base_phys &&
address < (hose->io_base_phys + size))
return (unsigned int)hose->io_base_virt +
(address - hose->io_base_phys);
}
return (unsigned int)-1;
}
EXPORT_SYMBOL(pci_address_to_pio);
/*
* Null PCI config access functions, for the case when we can't