diff options
| -rw-r--r-- | arch/powerpc/mm/ppc_mmu_32.c | 19 | ||||
| -rw-r--r-- | include/asm-powerpc/mmu-hash32.h | 19 |
2 files changed, 10 insertions, 28 deletions
diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c index 55ec17ed8d7..c53145f6194 100644 --- a/arch/powerpc/mm/ppc_mmu_32.c +++ b/arch/powerpc/mm/ppc_mmu_32.c @@ -38,10 +38,7 @@ struct hash_pte *Hash, *Hash_end; unsigned long Hash_size, Hash_mask; unsigned long _SDR1; -union ubat { /* BAT register values to be loaded */ - struct ppc_bat bat; - u32 word[2]; -} BATS[8][2]; /* 8 pairs of IBAT, DBAT */ +struct ppc_bat BATS[8][2]; /* 8 pairs of IBAT, DBAT */ struct batrange { /* stores address ranges mapped by BATs */ unsigned long start; @@ -124,7 +121,7 @@ void __init setbat(int index, unsigned long virt, phys_addr_t phys, { unsigned int bl; int wimgxpp; - union ubat *bat = BATS[index]; + struct ppc_bat *bat = BATS[index]; if (((flags & _PAGE_NO_CACHE) == 0) && cpu_has_feature(CPU_FTR_NEED_COHERENT)) @@ -137,15 +134,15 @@ void __init setbat(int index, unsigned long virt, phys_addr_t phys, wimgxpp = flags & (_PAGE_WRITETHRU | _PAGE_NO_CACHE | _PAGE_COHERENT | _PAGE_GUARDED); wimgxpp |= (flags & _PAGE_RW)? BPP_RW: BPP_RX; - bat[1].word[0] = virt | (bl << 2) | 2; /* Vs=1, Vp=0 */ - bat[1].word[1] = BAT_PHYS_ADDR(phys) | wimgxpp; + 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].bat.batu.vp = 1; + bat[1].batu |= 1; /* Vp = 1 */ if (flags & _PAGE_GUARDED) { /* G bit must be zero in IBATs */ - bat[0].word[0] = bat[0].word[1] = 0; + bat[0].batu = bat[0].batl = 0; } else { /* make IBAT same as DBAT */ bat[0] = bat[1]; @@ -158,8 +155,8 @@ void __init setbat(int index, unsigned long virt, phys_addr_t phys, | _PAGE_COHERENT); wimgxpp |= (flags & _PAGE_RW)? ((flags & _PAGE_USER)? PP_RWRW: PP_RWXX): PP_RXRX; - bat->word[0] = virt | wimgxpp | 4; /* Ks=0, Ku=1 */ - bat->word[1] = phys | bl | 0x40; /* V=1 */ + bat->batu = virt | wimgxpp | 4; /* Ks=0, Ku=1 */ + bat->batl = phys | bl | 0x40; /* V=1 */ } bat_addrs[index].start = virt; diff --git a/include/asm-powerpc/mmu-hash32.h b/include/asm-powerpc/mmu-hash32.h index f39ff983b38..16b1a1e77e6 100644 --- a/include/asm-powerpc/mmu-hash32.h +++ b/include/asm-powerpc/mmu-hash32.h @@ -38,23 +38,8 @@ #endif struct ppc_bat { - struct { - unsigned long bepi:15; /* Effective page index (virtual address) */ - unsigned long :4; /* Unused */ - unsigned long bl:11; /* Block size mask */ - unsigned long vs:1; /* Supervisor valid */ - unsigned long vp:1; /* User valid */ - } batu; /* Upper register */ - struct { - unsigned long brpn:15; /* Real page index (physical address) */ - unsigned long :10; /* Unused */ - unsigned long w:1; /* Write-thru cache */ - unsigned long i:1; /* Cache inhibit */ - unsigned long m:1; /* Memory coherence */ - unsigned long g:1; /* Guarded (MBZ in IBAT) */ - unsigned long :1; /* Unused */ - unsigned long pp:2; /* Page access protections */ - } batl; /* Lower register */ + u32 batu; + u32 batl; }; #endif /* !__ASSEMBLY__ */ |