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| author |   Sam Ravnborg <sam@ravnborg.org> | 2012-05-25 21:20:06 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2012-05-27 23:52:41 -0700 |
| commit | 7b372d6582ca3bf41a1af9f168f3a852f3d7b21d (patch) | |
| tree | 3a3269b976d713dd728b119e388f8f262c533138 /arch/sparc/include | |
| parent | sparc32: string and whitespace cleanup in head_32.S (diff) | |
| download | linux-dev-7b372d6582ca3bf41a1af9f168f3a852f3d7b21d.tar.xz linux-dev-7b372d6582ca3bf41a1af9f168f3a852f3d7b21d.zip | |
sparc32: implement proper LEON support in head_32 (before highmem)
Use PSR to check if the CPU is LEON and jump to
LEON specific code in this case.
Added a few constants to psr.h to increase readability.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Hellstrom <daniel@gaisler.com>
Cc: Konrad Eisele <konrad@gaisler.com>
Diffstat (limited to 'arch/sparc/include')
| -rw-r--r-- | arch/sparc/include/asm/psr.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/psr.h b/arch/sparc/include/asm/psr.h index b8c0e5f0a66b..c02c735d4ebe 100644 --- a/arch/sparc/include/asm/psr.h +++ b/arch/sparc/include/asm/psr.h @@ -35,6 +35,12 @@ #define PSR_VERS 0x0f000000 /* cpu-version field */ #define PSR_IMPL 0xf0000000 /* cpu-implementation field */ +#define PSR_IMPL_SHIFT 28 +#define PSR_IMPL_SHIFTED_MASK 0xf + +#define PSR_IMPL_TI 0x4 +#define PSR_IMPL_LEON 0xf + #ifdef __KERNEL__ #ifndef __ASSEMBLY__ |