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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>
This commit is contained in:
Christophe Leroy 2019-02-21 19:08:40 +00:00 committed by Michael Ellerman
parent e4d6654ebe
commit 9e849f231c
1 changed files with 8 additions and 17 deletions
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25
arch/powerpc/mm/pgtable_32.c
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@ -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;
struct memblock_region *reg;
#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);
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