diff options
Diffstat (limited to 'src/southbridge')
| -rw-r--r-- | src/southbridge/intel/common/smbus.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/southbridge/intel/common/smbus.c b/src/southbridge/intel/common/smbus.c index 1594e684a6..944e360a0f 100644 --- a/src/southbridge/intel/common/smbus.c +++ b/src/southbridge/intel/common/smbus.c @@ -253,7 +253,8 @@ static int smbus_write_cmd(uintptr_t base, u8 ctrl, u8 device, u8 address, u16 d host_outb(base, SMBHSTCMD, address); /* Set the data bytes... */ - host_outb(base, SMBHSTDAT0, data & 0xff); + if (ctrl >= I801_BYTE_DATA) + host_outb(base, SMBHSTDAT0, data & 0xff); if (ctrl == I801_WORD_DATA) host_outb(base, SMBHSTDAT1, data >> 8); @@ -354,6 +355,11 @@ int do_smbus_read_word(uintptr_t base, u8 device, u8 address) return smbus_read_cmd(base, I801_WORD_DATA, device, address); } +int do_smbus_send_byte(uintptr_t base, u8 device, u8 data) +{ + return smbus_write_cmd(base, I801_BYTE, device, data, 0x00); +} + int do_smbus_write_byte(uintptr_t base, u8 device, u8 address, u8 data) { return smbus_write_cmd(base, I801_BYTE_DATA, device, address, data); |