[POWERPC]: Uniformly use memstart_addr as the start address of RAM
The variable: memstart_addr whose initial value is got from dts file
is used as the start address of physical memory in PowerPC ARCH,
although it is used in functions: mapin_ram(pgtable_32.c) and
cam_mapin_ram(fsl_booke_mmu.c), however, in function: mmu_mapin_ram
(ppc_mmu_32.c), use 0 as the start address of physical memory, so
it is necessary to unify them: in mmu_mapin_ram, use memstart_addr
as the start address of physical memory, instead of 0.
Signed-off-by: Andrew Liu <[EMAIL PROTECTED]>
---
b/arch/powerpc/mm/ppc_mmu_32.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c
index cef9f15..f133c6e 100644
--- a/arch/powerpc/mm/ppc_mmu_32.c
+++ b/arch/powerpc/mm/ppc_mmu_32.c
@@ -98,7 +98,7 @@ unsigned long __init mmu_mapin_ram(void)
break;
}
- setbat(2, KERNELBASE, 0, bl, _PAGE_RAM);
+ setbat(2, KERNELBASE, memstart_addr, bl, _PAGE_RAM);
done = (unsigned long)bat_addrs[2].limit - KERNELBASE + 1;
if ((done < tot) && !bat_addrs[3].limit) {
/* use BAT3 to cover a bit more */
@@ -106,7 +106,7 @@ unsigned long __init mmu_mapin_ram(void)
for (bl = 128<<10; bl < max_size; bl <<= 1)
if (bl * 2 > tot)
break;
- setbat(3, KERNELBASE+done, done, bl, _PAGE_RAM);
+ setbat(3, KERNELBASE+done, memstart_addr+done, bl, _PAGE_RAM);
done = (unsigned long)bat_addrs[3].limit - KERNELBASE + 1;
}
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