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Diffstat (limited to 'src/mainboard/amd/mandolin/early_gpio.c')
-rw-r--r--src/mainboard/amd/mandolin/early_gpio.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/mainboard/amd/mandolin/early_gpio.c b/src/mainboard/amd/mandolin/early_gpio.c
new file mode 100644
index 0000000000..b6dd0d6990
--- /dev/null
+++ b/src/mainboard/amd/mandolin/early_gpio.c
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <soc/gpio.h>
+#include "gpio.h"
+
+/* GPIO pins used by coreboot should be initialized in bootblock */
+
+static const struct soc_amd_gpio gpio_set_stage_reset[] = {
+ /* not LLB */
+ PAD_GPI(GPIO_12, PULL_UP),
+ /* not USB_OC5_L */
+ PAD_GPI(GPIO_13, PULL_UP),
+ /* not USB_OC4_L */
+ PAD_GPI(GPIO_14, PULL_UP),
+ /* not USB_OC1_L */
+ PAD_GPI(GPIO_17, PULL_UP),
+ /* not USB_OC2_L */
+ PAD_GPI(GPIO_18, PULL_UP),
+ /* SDIO eMMC power control */
+ PAD_NF(GPIO_22, EMMC_PRW_CTRL, PULL_NONE),
+ /* PCIe SSD power enable */
+ PAD_GPO(GPIO_23, HIGH),
+ /* PCIe Reset to DP0, DP1, J2105, TP, FP */
+ PAD_NF(GPIO_27, PCIE_RST1_L, PULL_NONE),
+ /* eSPI CS# */
+ PAD_NF(GPIO_30, ESPI_CS_L, PULL_NONE),
+ /* FANOUT0 */
+ PAD_NF(GPIO_85, FANOUT0, PULL_NONE),
+ /* PC beep to codec */
+ PAD_NF(GPIO_91, SPKR, PULL_NONE),
+};
+
+void mainboard_program_early_gpios(void)
+{
+ program_gpios(gpio_set_stage_reset, ARRAY_SIZE(gpio_set_stage_reset));
+}