diff options
Diffstat (limited to 'arch/powerpc/include/asm/asm-405.h')
| -rw-r--r-- | arch/powerpc/include/asm/asm-405.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/asm-405.h b/arch/powerpc/include/asm/asm-405.h new file mode 100644 index 000000000000..7270d3ae7c8e --- /dev/null +++ b/arch/powerpc/include/asm/asm-405.h @@ -0,0 +1,19 @@ +#ifndef _ASM_POWERPC_ASM_405_H +#define _ASM_POWERPC_ASM_405_H + +#include <asm/asm-const.h> + +#ifdef __KERNEL__ +#ifdef CONFIG_IBM405_ERR77 +/* Erratum #77 on the 405 means we need a sync or dcbt before every + * stwcx. The old ATOMIC_SYNC_FIX covered some but not all of this. + */ +#define PPC405_ERR77(ra,rb) stringify_in_c(dcbt ra, rb;) +#define PPC405_ERR77_SYNC stringify_in_c(sync;) +#else +#define PPC405_ERR77(ra,rb) +#define PPC405_ERR77_SYNC +#endif +#endif + +#endif /* _ASM_POWERPC_ASM_405_H */ |