powerpc/mm/32s: rework mmu_mapin_ram()

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This patch reworks mmu_mapin_ram() to be more generic and map as much
blocks as possible. It now supports blocks not starting at address 0.

It scans DBATs array to find free ones instead of forcing the use of
BAT2 and BAT3.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Christophe Leroy 2019-02-21 19:08:39 +00:00 • committed by Michael Ellerman

parent 14e609d693

commit e4d6654ebe

1 changed files with 41 additions and 22 deletions

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arch/powerpc/mm/ppc_mmu_32.c

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