diff options
Diffstat (limited to 'src/soc/amd/common/block/acpimmio/mmio_util.c')
| -rw-r--r-- | src/soc/amd/common/block/acpimmio/mmio_util.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/src/soc/amd/common/block/acpimmio/mmio_util.c b/src/soc/amd/common/block/acpimmio/mmio_util.c index d6320d69d8..c8c69888c6 100644 --- a/src/soc/amd/common/block/acpimmio/mmio_util.c +++ b/src/soc/amd/common/block/acpimmio/mmio_util.c @@ -142,11 +142,7 @@ uint8_t biosram_read8(uint8_t reg) uint16_t biosram_read16(uint8_t reg) /* Must be 1 byte at a time */ { - int i; - uint16_t value = 0; - for (i = sizeof(value) - 1 ; i >= 0 ; i--) - value = (value << 8) | biosram_read8(reg + i); - return value; + return (biosram_read8(reg + sizeof(uint8_t)) << 8 | biosram_read8(reg)); } uint32_t biosram_read32(uint8_t reg) @@ -162,20 +158,16 @@ void biosram_write8(uint8_t reg, uint8_t value) void biosram_write16(uint8_t reg, uint16_t value) { - int i; - for (i = 0 ; i < sizeof(value) ; i++) { - biosram_write8(reg + i, value & 0xff); - value >>= 8; - } + biosram_write8(reg, value & 0xff); + value >>= 8; + biosram_write8(reg + sizeof(uint8_t), value & 0xff); } void biosram_write32(uint8_t reg, uint32_t value) { - int i; - for (i = 0 ; i < sizeof(value) ; i++) { - biosram_write8(reg + i, value & 0xff); - value >>= 8; - } + biosram_write16(reg, value & 0xffff); + value >>= 16; + biosram_write16(reg + sizeof(uint16_t), value & 0xffff); } /* cmosram read/write - access registers at 0xfed80600 - currently unused */ |