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| author | Siyuan Wang <wangsiyuanbuaa@gmail.com> | 2012-09-07 19:18:16 +0800 |
|---|---|---|
| committer | Alexandru Gagniuc <mr.nuke.me@gmail.com> | 2012-09-07 20:04:01 +0200 |
| commit | cf8bcfc9dd0dd4093ab9ce65be8bbdb242959f15 (patch) | |
| tree | 9a62bd1f8caa11464407bbaae5fef1960161e8ff | |
| parent | 87b5aa9e671896f82f9c1e75edbbe363e0a6fe89 (diff) | |
| download | coreboot-cf8bcfc9dd0dd4093ab9ce65be8bbdb242959f15.tar.xz | |
superio winbond w83627dhg: add a function which is used on tyan s8226
this function is used on serial output of tyan s8226
Change-Id: I5f7fa535b922b224e381886f1bea64623fa549ef
Signed-off-by: Siyuan Wang <SiYuan.Wang@amd.com>
Signed-off-by: Siyuan Wang <wangsiyuanbuaa@gmail.com>
Reviewed-on: http://review.coreboot.org/1494
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
| -rw-r--r-- | src/superio/winbond/w83627dhg/early_serial.c | 10 | ||||
| -rw-r--r-- | src/superio/winbond/w83627dhg/w83627dhg.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/superio/winbond/w83627dhg/early_serial.c b/src/superio/winbond/w83627dhg/early_serial.c index e0be8dee75..39ce8bfac8 100644 --- a/src/superio/winbond/w83627dhg/early_serial.c +++ b/src/superio/winbond/w83627dhg/early_serial.c @@ -67,3 +67,13 @@ void w83627dhg_enable_i2c(device_t dev) pnp_exit_ext_func_mode(dev); } +void w83627dhg_set_clksel_48(device_t dev) +{ + u8 reg8; + + pnp_enter_ext_func_mode(dev); + reg8 = pnp_read_config(dev, 0x24); + reg8 |= (1 << 6); /* Set CLKSEL (clock input on pin 1) to 48MHz. */ + pnp_write_config(dev, 0x24, reg8); + pnp_exit_ext_func_mode(dev); +} diff --git a/src/superio/winbond/w83627dhg/w83627dhg.h b/src/superio/winbond/w83627dhg/w83627dhg.h index 158e60b144..3aa1b261d0 100644 --- a/src/superio/winbond/w83627dhg/w83627dhg.h +++ b/src/superio/winbond/w83627dhg/w83627dhg.h @@ -56,5 +56,6 @@ void pnp_enter_ext_func_mode(device_t dev); void pnp_exit_ext_func_mode(device_t dev); void w83627dhg_enable_serial(device_t dev, u16 iobase); void w83627dhg_enable_i2c(device_t dev); +void w83627dhg_set_clksel_48(device_t dev); #endif |