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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2006-11-11 17:25:19 +1100
committerPaul Mackerras <paulus@samba.org>2006-12-04 20:39:04 +1100
commit3d1ea8e8cb4d497a2dd73176cc82095b8f193589 (patch)
tree0eabd236ff6fdf59fa50c54e5b09f4c69818d03f
parent165785e5c0be3ad43e8b8eadfbd25e92c2cd002a (diff)
[POWERPC] Remove ioremap64 and fixup_bigphys_addr
In order to suppose platforms with devices above 4Gb on 32 bits platforms with a >32 bits physical address space, we used to have a special ioremap64 along with a fixup routine fixup_bigphys_addr. This shouldn't be necessary anymore as struct resource now supports 64 bits addresses even on 32 bits archs. This patch enables that option when CONFIG_PHYS_64BIT is set and removes ioremap64 and fixup_bigphys_addr. This is a preliminary work for the upcoming merge of 32 and 64 bits io.h Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
-rw-r--r--arch/powerpc/Kconfig1
-rw-r--r--arch/powerpc/mm/pgtable_32.c17
-rw-r--r--arch/powerpc/platforms/85xx/misc.c8
3 files changed, 1 insertions, 25 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 9547aacc319..b4a3b699433 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -247,6 +247,7 @@ config PTE_64BIT
config PHYS_64BIT
bool 'Large physical address support' if E500
depends on 44x || E500
+ select RESOURCES_64BIT
default y if 44x
---help---
This option enables kernel support for larger than 32-bit physical
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 8fcacb0239d..7750c442568 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -141,28 +141,11 @@ void pte_free(struct page *ptepage)
__free_page(ptepage);
}
-#ifndef CONFIG_PHYS_64BIT
void __iomem *
ioremap(phys_addr_t addr, unsigned long size)
{
return __ioremap(addr, size, _PAGE_NO_CACHE);
}
-#else /* CONFIG_PHYS_64BIT */
-void __iomem *
-ioremap64(unsigned long long addr, unsigned long size)
-{
- return __ioremap(addr, size, _PAGE_NO_CACHE);
-}
-EXPORT_SYMBOL(ioremap64);
-
-void __iomem *
-ioremap(phys_addr_t addr, unsigned long size)
-{
- phys_addr_t addr64 = fixup_bigphys_addr(addr, size);
-
- return ioremap64(addr64, size);
-}
-#endif /* CONFIG_PHYS_64BIT */
EXPORT_SYMBOL(ioremap);
void __iomem *
diff --git a/arch/powerpc/platforms/85xx/misc.c b/arch/powerpc/platforms/85xx/misc.c
index 26c5e822c7c..3e62fcb04c1 100644
--- a/arch/powerpc/platforms/85xx/misc.c
+++ b/arch/powerpc/platforms/85xx/misc.c
@@ -21,11 +21,3 @@ void mpc85xx_restart(char *cmd)
local_irq_disable();
abort();
}
-
-/* For now this is a pass through */
-phys_addr_t fixup_bigphys_addr(phys_addr_t addr, phys_addr_t size)
-{
- return addr;
-};
-
-EXPORT_SYMBOL(fixup_bigphys_addr);