[coreboot] New patch to review for coreboot: 5b07e72 superio winbond w83627dhg: add a function which is used on tyan s8226
Siyuan Wang (wangsiyuanbuaa@gmail.com)
gerrit at coreboot.org
Thu Sep 6 09:15:38 CEST 2012
Siyuan Wang (wangsiyuanbuaa at gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/1494
-gerrit
commit 5b07e7289d1f09c4f69fbc75f367955cf2ce83d2
Author: Siyuan Wang <wangsiyuanbuaa at gmail.com>
Date: Thu Sep 6 12:19:03 2012 +0800
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 at amd.com>
Signed-off-by: Siyuan Wang <wangsiyuanbuaa at gmail.com>
---
src/superio/winbond/w83627dhg/early_serial.c | 10 ++++++++++
src/superio/winbond/w83627dhg/w83627dhg.h | 1 +
2 files changed, 11 insertions(+)
diff --git a/src/superio/winbond/w83627dhg/early_serial.c b/src/superio/winbond/w83627dhg/early_serial.c
index e0be8de..39ce8bf 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 158e60b..3aa1b26 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
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