diff options
Diffstat (limited to 'include/asm-powerpc/mmu-hash32.h')
| -rw-r--r-- | include/asm-powerpc/mmu-hash32.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-powerpc/mmu-hash32.h b/include/asm-powerpc/mmu-hash32.h index 6e21ca618ec..f39ff983b38 100644 --- a/include/asm-powerpc/mmu-hash32.h +++ b/include/asm-powerpc/mmu-hash32.h @@ -28,6 +28,15 @@ #define BPP_RW 0x02 /* Read/write */ #ifndef __ASSEMBLY__ +/* Contort a phys_addr_t into the right format/bits for a BAT */ +#ifdef CONFIG_PHYS_64BIT +#define BAT_PHYS_ADDR(x) ((u32)((x & 0x00000000fffe0000ULL) | \ + ((x & 0x0000000e00000000ULL) >> 24) | \ + ((x & 0x0000000100000000ULL) >> 30))) +#else +#define BAT_PHYS_ADDR(x) (x) +#endif + struct ppc_bat { struct { unsigned long bepi:15; /* Effective page index (virtual address) */ |