diff options
Diffstat (limited to 'payloads/libpayload/include/arm')
| -rw-r--r-- | payloads/libpayload/include/arm/arch/io.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/payloads/libpayload/include/arm/arch/io.h b/payloads/libpayload/include/arm/arch/io.h index 8948e133ef..5cb66dcd69 100644 --- a/payloads/libpayload/include/arm/arch/io.h +++ b/payloads/libpayload/include/arm/arch/io.h @@ -73,4 +73,17 @@ static inline void writel(uint32_t _v, volatile void *_a) dmb(); } +/* + * Handy bit manipulation macros, BE version will have to be added when/if + * needed. + */ + +#ifdef CONFIG_LP_LITTLE_ENDIAN +#define clrsetbits_le32(addr, clear, set) writel((readl(addr) & ~(clear)) |\ + (set), (addr)) +#define setbits_le32(addr, set) writel(readl(addr) | (set), (addr)) +#define clrbits_le32(addr, clear) writel(readl(addr) & ~(clear), (addr)) #endif + +#endif + |