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| author |   Christophe Leroy <christophe.leroy@c-s.fr> | 2019-02-21 19:08:40 +0000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2019-02-23 21:04:32 +1100 |
| commit | 9e849f231c3c72d4c3c1b07c9cd19ae789da0420 (patch) | |
| tree | 97b85b27161ef422486ced52a6c327e2217565ea /arch/powerpc | |
| parent | powerpc/mm/32s: rework mmu_mapin_ram() (diff) | |
| download | linux-dev-9e849f231c3c72d4c3c1b07c9cd19ae789da0420.tar.xz linux-dev-9e849f231c3c72d4c3c1b07c9cd19ae789da0420.zip | |
powerpc/mm/32s: use generic mmu_mapin_ram() for all blocks.
Now that mmu_mapin_ram() is able to handle other blocks
than the one starting at 0, the WII can use it for all
its blocks.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/mm/pgtable_32.c | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index b4858818523f..c4b0eb51f6d8 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -254,26 +254,17 @@ static void __init __mapin_ram_chunk(unsigned long offset, unsigned long top) void __init mapin_ram(void) { - unsigned long s, top; - -#ifndef CONFIG_WII - top = total_lowmem; - s = mmu_mapin_ram(0, top); - __mapin_ram_chunk(s, top); -#else - if (!wii_hole_size) { - s = mmu_mapin_ram(0, total_lowmem); - __mapin_ram_chunk(s, total_lowmem); - } else { - top = wii_hole_start; - s = mmu_mapin_ram(0, top); - __mapin_ram_chunk(s, top); + struct memblock_region *reg; + + for_each_memblock(memory, reg) { + phys_addr_t base = reg->base; + phys_addr_t top = min(base + reg->size, total_lowmem); - top = memblock_end_of_DRAM(); - s = wii_mmu_mapin_mem2(top); - __mapin_ram_chunk(s, top); + if (base >= top) + continue; + base = mmu_mapin_ram(base, top); + __mapin_ram_chunk(base, top); } -#endif } /* Scan the real Linux page tables and return a PTE pointer for |