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sparc32: implement proper LEON support in head_32 (before highmem)

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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>
This commit is contained in:
Sam Ravnborg
2012-05-25 21:20:06 +00:00
committed by David S. Miller
parent ec24158eac
commit 7b372d6582
2 changed files with 55 additions and 13 deletions
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6
arch/sparc/include/asm/psr.h
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@@ -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__