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| author |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-05-27 13:44:50 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-05-27 16:32:50 +1000 |
| commit | f637a49e507c88354ab32b5d914e06acfb7ee00d (patch) | |
| tree | 60ec94bc3dcf323028faf8b7fd31e6d4c73f2bb5 /arch/powerpc/mm/init_32.c | |
| parent | powerpc: Move dma-noncoherent.c from arch/powerpc/lib to arch/powerpc/mm (diff) | |
| download | linux-dev-f637a49e507c88354ab32b5d914e06acfb7ee00d.tar.xz linux-dev-f637a49e507c88354ab32b5d914e06acfb7ee00d.zip | |
powerpc: Minor cleanups of kernel virt address space definitions
Make FIXADDR_TOP a compile time constant and cleanup a
couple of definitions relative to the layout of the kernel
address space on ppc32. We also print out that layout at
boot time for debugging purposes.
This is a pre-requisite for properly fixing non-coherent
DMA allocactions.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/mm/init_32.c')
| -rw-r--r-- | arch/powerpc/mm/init_32.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c index 666a5e8a5be1..3de6a0d93824 100644 --- a/arch/powerpc/mm/init_32.c +++ b/arch/powerpc/mm/init_32.c @@ -168,12 +168,8 @@ void __init MMU_init(void) ppc_md.progress("MMU:mapin", 0x301); mapin_ram(); -#ifdef CONFIG_HIGHMEM - ioremap_base = PKMAP_BASE; -#else - ioremap_base = 0xfe000000UL; /* for now, could be 0xfffff000 */ -#endif /* CONFIG_HIGHMEM */ - ioremap_bot = ioremap_base; + /* Initialize early top-down ioremap allocator */ + ioremap_bot = IOREMAP_TOP; /* Map in I/O resources */ if (ppc_md.progress) |