diff options
Diffstat (limited to 'drivers/core/regmap.c')
| -rw-r--r-- | drivers/core/regmap.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/core/regmap.c b/drivers/core/regmap.c index 0299ff0879..c68bcba54f 100644 --- a/drivers/core/regmap.c +++ b/drivers/core/regmap.c @@ -13,6 +13,8 @@ #include <mapmem.h> #include <regmap.h> +#include <asm/io.h> + DECLARE_GLOBAL_DATA_PTR; static struct regmap *regmap_alloc_count(int count) @@ -117,3 +119,21 @@ int regmap_uninit(struct regmap *map) return 0; } + +int regmap_read(struct regmap *map, uint offset, uint *valp) +{ + uint32_t *ptr = map_physmem(map->base + offset, 4, MAP_NOCACHE); + + *valp = le32_to_cpu(readl(ptr)); + + return 0; +} + +int regmap_write(struct regmap *map, uint offset, uint val) +{ + uint32_t *ptr = map_physmem(map->base + offset, 4, MAP_NOCACHE); + + writel(cpu_to_le32(val), ptr); + + return 0; +} |