diff options
Diffstat (limited to 'arch/powerpc/mm/ppc_mmu_32.c')
| -rw-r--r-- | arch/powerpc/mm/ppc_mmu_32.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c index fe65c405412..2d2a87e1015 100644 --- a/arch/powerpc/mm/ppc_mmu_32.c +++ b/arch/powerpc/mm/ppc_mmu_32.c @@ -74,9 +74,6 @@ unsigned long p_mapped_by_bats(phys_addr_t pa) unsigned long __init mmu_mapin_ram(void) { -#ifdef CONFIG_POWER4 - return 0; -#else unsigned long tot, bl, done; unsigned long max_size = (256<<20); @@ -95,7 +92,7 @@ unsigned long __init mmu_mapin_ram(void) break; } - setbat(2, PAGE_OFFSET, 0, bl, _PAGE_RAM); + setbat(2, PAGE_OFFSET, 0, bl, PAGE_KERNEL_X); done = (unsigned long)bat_addrs[2].limit - PAGE_OFFSET + 1; if ((done < tot) && !bat_addrs[3].limit) { /* use BAT3 to cover a bit more */ @@ -103,12 +100,11 @@ unsigned long __init mmu_mapin_ram(void) for (bl = 128<<10; bl < max_size; bl <<= 1) if (bl * 2 > tot) break; - setbat(3, PAGE_OFFSET+done, done, bl, _PAGE_RAM); + setbat(3, PAGE_OFFSET+done, done, bl, PAGE_KERNEL_X); done = (unsigned long)bat_addrs[3].limit - PAGE_OFFSET + 1; } return done; -#endif } /* @@ -136,9 +132,7 @@ void __init setbat(int index, unsigned long virt, phys_addr_t phys, wimgxpp |= (flags & _PAGE_RW)? BPP_RW: BPP_RX; bat[1].batu = virt | (bl << 2) | 2; /* Vs=1, Vp=0 */ bat[1].batl = BAT_PHYS_ADDR(phys) | wimgxpp; -#ifndef CONFIG_KGDB /* want user access for breakpoints */ if (flags & _PAGE_USER) -#endif bat[1].batu |= 1; /* Vp = 1 */ if (flags & _PAGE_GUARDED) { /* G bit must be zero in IBATs */ |