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-rw-r--r--src/superio/nuvoton/common/early_serial.c6
-rw-r--r--src/superio/nuvoton/nct6791d/Kconfig5
2 files changed, 11 insertions, 0 deletions
diff --git a/src/superio/nuvoton/common/early_serial.c b/src/superio/nuvoton/common/early_serial.c
index b35ec9d8b9..7f22993cd0 100644
--- a/src/superio/nuvoton/common/early_serial.c
+++ b/src/superio/nuvoton/common/early_serial.c
@@ -64,9 +64,15 @@ void nuvoton_pnp_exit_conf_state(pnp_devfn_t dev)
void nuvoton_enable_serial(pnp_devfn_t dev, u16 iobase)
{
nuvoton_pnp_enter_conf_state(dev);
+
if (CONFIG(SUPERIO_NUVOTON_NCT6776_COM_A))
/* Route GPIO8 pin group to COM A */
pnp_write_config(dev, 0x2a, 0x40);
+
+ if (CONFIG(SUPERIO_NUVOTON_NCT6791D_COM_A))
+ /* Route GPIO8 pin group to COM A */
+ pnp_write_config(dev, 0x2a, 0x00);
+
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
pnp_set_iobase(dev, PNP_IDX_IO0, iobase);
diff --git a/src/superio/nuvoton/nct6791d/Kconfig b/src/superio/nuvoton/nct6791d/Kconfig
index 6e39e462aa..55581fbcfe 100644
--- a/src/superio/nuvoton/nct6791d/Kconfig
+++ b/src/superio/nuvoton/nct6791d/Kconfig
@@ -16,3 +16,8 @@
config SUPERIO_NUVOTON_NCT6791D
bool
select SUPERIO_NUVOTON_COMMON_PRE_RAM
+
+config SUPERIO_NUVOTON_NCT6791D_COM_A
+ bool
+ depends on SUPERIO_NUVOTON_NCT6791D
+ default n