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Diffstat (limited to 'src/mainboard/google/glados')
-rw-r--r--src/mainboard/google/glados/gpio.h8
-rw-r--r--src/mainboard/google/glados/romstage.c11
2 files changed, 19 insertions, 0 deletions
diff --git a/src/mainboard/google/glados/gpio.h b/src/mainboard/google/glados/gpio.h
index c4d3d920d8..fb37b3bcf8 100644
--- a/src/mainboard/google/glados/gpio.h
+++ b/src/mainboard/google/glados/gpio.h
@@ -48,6 +48,7 @@
#define EC_SMI_GPI GPP_E15
#ifndef __ACPI__
+/* Pad configuration in ramstage. */
static const struct pad_config gpio_table[] = {
/* RCIN# */ PAD_CFG_NF(GPP_A0, NONE, DEEP, NF1),
/* LAD0 */ PAD_CFG_NF(GPP_A1, NONE, DEEP, NF1),
@@ -219,6 +220,13 @@ static const struct pad_config gpio_table[] = {
/* SLP_S5# */ PAD_CFG_NF(GPD10, NONE, DEEP, NF1),
/* LANPHYC */ /* GPD11 */
};
+
+/* Early pad configuration in romstage. */
+static const struct pad_config early_gpio_table[] = {
+/* SRCCLKREQ2# */ PAD_CFG_NF(GPP_B7, NONE, DEEP, NF1), /* KEPLER */
+/* UART0_CTS# */ PAD_CFG_GPO(GPP_C11, 1, DEEP), /* EN_PP3300_KEPLER */
+};
+
#endif
#endif
diff --git a/src/mainboard/google/glados/romstage.c b/src/mainboard/google/glados/romstage.c
index 4d9aaf4208..36a8453ed7 100644
--- a/src/mainboard/google/glados/romstage.c
+++ b/src/mainboard/google/glados/romstage.c
@@ -27,10 +27,21 @@
#include <soc/pei_data.h>
#include <soc/pei_wrapper.h>
#include <soc/romstage.h>
+#include "gpio.h"
#include "spd/spd.h"
+static void early_config_gpio(void)
+{
+ /* This is a hack for FSP because it does things in MemoryInit()
+ * which it shouldn't be. We have to prepare certain gpios here
+ * because of the brokenness in FSP. */
+ gpio_configure_pads(early_gpio_table, ARRAY_SIZE(early_gpio_table));
+}
+
void mainboard_romstage_entry(struct romstage_params *params)
{
+ early_config_gpio();
+
/* Fill out PEI DATA */
mainboard_fill_pei_data(params->pei_data);
mainboard_fill_spd_data(params->pei_data);