diff options
Diffstat (limited to 'arch/arm/mach-orion5x/common.h')
| -rw-r--r-- | arch/arm/mach-orion5x/common.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h index d2513ac79ff5..2e6454c8d4ba 100644 --- a/arch/arm/mach-orion5x/common.h +++ b/arch/arm/mach-orion5x/common.h @@ -57,5 +57,14 @@ struct meminfo; struct tag; extern void __init tag_fixup_mem32(struct tag *, char **, struct meminfo *); +/***************************************************************************** + * Helpers to access Orion registers + ****************************************************************************/ +/* + * These are not preempt-safe. Locks, if needed, must be taken + * care of by the caller. + */ +#define orion5x_setbits(r, mask) writel(readl(r) | (mask), (r)) +#define orion5x_clrbits(r, mask) writel(readl(r) & ~(mask), (r)) #endif |