diff options
| author | Akira Takeuchi <takeuchi.akr@jp.panasonic.com> | 2010-10-27 17:28:55 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2010-10-27 17:28:55 +0100 |
| commit | 368dd5acd154b09c043cc4392a74da01599b37d5 (patch) | |
| tree | dd94ae3d044f6e774dec2437613515bd6b46dacb /arch/mn10300/include/asm/system.h | |
| parent | 04157a6e7df99fd5ed64955233d6e00ab6613614 (diff) | |
MN10300: And Panasonic AM34 subarch and implement SMP
Implement the Panasonic MN10300 AM34 CPU subarch and implement SMP support for
MN10300. Also implement support for the MN2WS0060 processor and the ASB2364
evaluation board which are AM34 based.
Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: Kiyoshi Owada <owada.kiyoshi@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch/mn10300/include/asm/system.h')
| -rw-r--r-- | arch/mn10300/include/asm/system.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/mn10300/include/asm/system.h b/arch/mn10300/include/asm/system.h index 7de90bc4cf80..8ff3e5aaca41 100644 --- a/arch/mn10300/include/asm/system.h +++ b/arch/mn10300/include/asm/system.h @@ -12,6 +12,7 @@ #define _ASM_SYSTEM_H #include <asm/cpu-regs.h> +#include <asm/intctl-regs.h> #ifdef __KERNEL__ #ifndef __ASSEMBLY__ @@ -57,8 +58,6 @@ do { \ #define nop() asm volatile ("nop") -#endif /* !__ASSEMBLY__ */ - /* * Force strict CPU ordering. * And yes, this is required on UP too when we're talking @@ -85,17 +84,19 @@ do { \ #define smp_mb() mb() #define smp_rmb() rmb() #define smp_wmb() wmb() -#else +#define set_mb(var, value) do { xchg(&var, value); } while (0) +#else /* CONFIG_SMP */ #define smp_mb() barrier() #define smp_rmb() barrier() #define smp_wmb() barrier() -#endif - #define set_mb(var, value) do { var = value; mb(); } while (0) +#endif /* CONFIG_SMP */ + #define set_wmb(var, value) do { var = value; wmb(); } while (0) #define read_barrier_depends() do {} while (0) #define smp_read_barrier_depends() do {} while (0) +#endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _ASM_SYSTEM_H */ |