diff options
Diffstat (limited to 'include/asm-arm/arch-orion/io.h')
| -rw-r--r-- | include/asm-arm/arch-orion/io.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/asm-arm/arch-orion/io.h b/include/asm-arm/arch-orion/io.h index e0b8c39b916..42abd297ae5 100644 --- a/include/asm-arm/arch-orion/io.h +++ b/include/asm-arm/arch-orion/io.h @@ -24,4 +24,19 @@ static inline void __iomem *__io(unsigned long addr) #define __io(a) __io(a) #define __mem_pci(a) (a) + +/***************************************************************************** + * Helpers to access Orion registers + ****************************************************************************/ +#define orion_read(r) __raw_readl(r) +#define orion_write(r, val) __raw_writel(val, r) + +/* + * These are not preempt-safe. Locks, if needed, must be taken + * care of by the caller. + */ +#define orion_setbits(r, mask) orion_write((r), orion_read(r) | (mask)) +#define orion_clrbits(r, mask) orion_write((r), orion_read(r) & ~(mask)) + + #endif |