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-rw-r--r--src/superio/nuvoton/common/early_serial.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/superio/nuvoton/common/early_serial.c b/src/superio/nuvoton/common/early_serial.c
index eaa3c5af6479..29418dbf9e3b 100644
--- a/src/superio/nuvoton/common/early_serial.c
+++ b/src/superio/nuvoton/common/early_serial.c
@@ -65,6 +65,10 @@ void nuvoton_enable_serial(pnp_devfn_t dev, u16 iobase)
{
nuvoton_pnp_enter_conf_state(dev);
+ if (CONFIG(SUPERIO_NUVOTON_NCT5539D_COM_A))
+ /* Route COM A to GPIO8 pin group */
+ pnp_write_config(dev, 0x2a, 0x40);
+
if (CONFIG(SUPERIO_NUVOTON_NCT6776_COM_A))
/* Route COM A to GPIO8 pin group */
pnp_write_config(dev, 0x2a, 0x40);