[v2,03/15] powerpc/mm/32s: use generic mmu_mapin_ram() for all blocks.

Message ID 1947e35e0c95f1b8746b5f710deef11b9e66a98c.1547132681.git.christophe.leroy@c-s.fr
State New
Headers show
Series
  • powerpc/32s: Use BATs/LTLBs for STRICT_KERNEL_RWX
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Commit Message

Christophe Leroy Jan. 10, 2019, 3:11 p.m.
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>
---
 arch/powerpc/mm/pgtable_32.c | 25 +++++++------------------
 1 file changed, 7 insertions(+), 18 deletions(-)

Patch

diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index b4858818523f..fd665c32a1f7 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -254,26 +254,15 @@  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) {
+		unsigned long base = reg->base;
+		unsigned long top = base + reg->size;
 
-		top = memblock_end_of_DRAM();
-		s = wii_mmu_mapin_mem2(top);
-		__mapin_ram_chunk(s, top);
+		base = mmu_mapin_ram(base, top);
+		__mapin_ram_chunk(base, top);
 	}
-#endif
 }
 
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