diff options
| author | Becky Bruce <becky.bruce@freescale.com> | 2008-06-14 09:41:42 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-06-30 22:31:03 +1000 |
| commit | 7c5c4325d2d911fe54db3bc14149bfa558ae0acb (patch) | |
| tree | 97c02e9d03bbbb1fff89e9e44eef1e53762e823e /include/asm-powerpc | |
| parent | bf2737f74ffd36f43c6ed11cd2c0826e1d59ad48 (diff) | |
powerpc: Change BAT code to use phys_addr_t
Currently, the physical address is an unsigned long, but it should
be phys_addr_t in set_bat, [v/p]_mapped_by_bat. Also, create a
macro that can convert a large physical address into the correct
format for programming the BAT registers.
Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc')
| -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) */ |