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-rw-r--r--src/superio/winbond/w83627dhg/early_serial.c10
-rw-r--r--src/superio/winbond/w83627dhg/w83627dhg.h1
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