diff options
| author | Sven Schnelle <svens@stackframe.org> | 2012-06-20 14:54:08 +0200 |
|---|---|---|
| committer | Sven Schnelle <svens@stackframe.org> | 2012-06-23 10:05:01 +0200 |
| commit | 1f20da7c3350bf8a0830c579f28fddc74af3f074 (patch) | |
| tree | 0072e44f090d508c77c28f465afe7ee9b0c47ade /src/southbridge/intel/i3100/smbus.c | |
| parent | e4cece0d6f3bfa7254600e6fd4b5245733a02d44 (diff) | |
i3100: add smbus_write_byte()
Required for Supermicro X7DB8, which needs the FBDIMM clock generator
setup during romstage.
Change-Id: I30ca8354087e851487aee0614595782131d4d9bc
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Reviewed-on: http://review.coreboot.org/1116
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/southbridge/intel/i3100/smbus.c')
| -rw-r--r-- | src/southbridge/intel/i3100/smbus.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/southbridge/intel/i3100/smbus.c b/src/southbridge/intel/i3100/smbus.c index 23602acb21..c11237ae8d 100644 --- a/src/southbridge/intel/i3100/smbus.c +++ b/src/southbridge/intel/i3100/smbus.c @@ -41,8 +41,22 @@ static int lsmbus_read_byte(device_t dev, u8 address) return do_smbus_read_byte(res->base, device, address); } +static int lsmbus_write_byte(device_t dev, u8 address, u8 byte) +{ + u16 device; + struct resource *res; + struct bus *pbus; + + device = dev->path.i2c.device; + pbus = get_pbus_smbus(dev); + res = find_resource(pbus->dev, 0x20); + + return do_smbus_write_byte(res->base, device, address, byte); +} + static struct smbus_bus_operations lops_smbus_bus = { .read_byte = lsmbus_read_byte, + .write_byte = lsmbus_write_byte, }; static void smbus_set_subsystem(device_t dev, unsigned vendor, unsigned device) |