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-rw-r--r--src/soc/amd/stoneyridge/early_fch.c3
-rw-r--r--src/soc/amd/stoneyridge/include/soc/southbridge.h2
-rw-r--r--src/soc/amd/stoneyridge/uart.c9
3 files changed, 14 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/early_fch.c b/src/soc/amd/stoneyridge/early_fch.c
index b46bde787f..763e3f2901 100644
--- a/src/soc/amd/stoneyridge/early_fch.c
+++ b/src/soc/amd/stoneyridge/early_fch.c
@@ -127,6 +127,9 @@ void bootblock_fch_early_init(void)
fch_enable_legacy_io();
enable_aoac_devices();
+ if (CONFIG(AMD_SOC_CONSOLE_UART))
+ set_uart_config(CONFIG_UART_FOR_CONSOLE);
+
/* disable the keyboard reset function before mainboard GPIO setup */
if (CONFIG(DISABLE_KEYBOARD_RESET_PIN))
fch_disable_kb_rst();
diff --git a/src/soc/amd/stoneyridge/include/soc/southbridge.h b/src/soc/amd/stoneyridge/include/soc/southbridge.h
index e00bf8ef3e..32c102c50f 100644
--- a/src/soc/amd/stoneyridge/include/soc/southbridge.h
+++ b/src/soc/amd/stoneyridge/include/soc/southbridge.h
@@ -184,6 +184,8 @@ void fch_final(void *chip_info);
void enable_aoac_devices(void);
void fch_clk_output_48Mhz(u32 osc);
+void set_uart_config(unsigned int idx);
+
/*
* Call the mainboard to get the USB Over Current Map. The mainboard
* returns the map and 0 on Success or -1 on error or no map. There is
diff --git a/src/soc/amd/stoneyridge/uart.c b/src/soc/amd/stoneyridge/uart.c
index 969146dc07..3b6d49caea 100644
--- a/src/soc/amd/stoneyridge/uart.c
+++ b/src/soc/amd/stoneyridge/uart.c
@@ -6,6 +6,7 @@
#include <soc/aoac_defs.h>
#include <soc/gpio.h>
#include <soc/iomap.h>
+#include <soc/southbridge.h>
#include <types.h>
static const struct soc_uart_ctrlr_info uart_info[] = {
@@ -26,3 +27,11 @@ uintptr_t get_uart_base(unsigned int idx)
return uart_info[idx].base;
}
+
+void set_uart_config(unsigned int idx)
+{
+ if (idx >= ARRAY_SIZE(uart_info))
+ return;
+
+ gpio_configure_pads(uart_info[idx].mux, 2);
+}