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-rw-r--r--src/mainboard/amd/chausie/ec.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mainboard/amd/chausie/ec.c b/src/mainboard/amd/chausie/ec.c
index ac484b2174..a2ed4ed5b4 100644
--- a/src/mainboard/amd/chausie/ec.c
+++ b/src/mainboard/amd/chausie/ec.c
@@ -26,6 +26,9 @@
#define EC_GPIO_MP2_SEL (1 << 2)
#define EC_GPIO_WWAN_N_LOM_SW (1 << 3)
+#define EC_SW02_ADDR 0xB7
+#define EC_SW02_MS (1 << 7)
+
static void configure_ec_gpio(void)
{
uint8_t tmp;
@@ -49,6 +52,10 @@ static void configure_ec_gpio(void)
tmp = ec_read(EC_GPIO_C_ADDR);
tmp |= EC_GPIO_WWAN_N_LOM_SW | EC_GPIO_MP2_SEL | EC_GPIO_DT_N_WLAN_SW;
ec_write(EC_GPIO_C_ADDR, tmp);
+
+ tmp = ec_read(EC_SW02_ADDR);
+ tmp |= EC_SW02_MS;
+ ec_write(EC_SW02_ADDR, tmp);
}
void chausie_ec_init(void)