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-rw-r--r--src/mainboard/google/poppy/variants/nami/gpio.c44
-rw-r--r--src/mainboard/google/poppy/variants/nami/mainboard.c35
2 files changed, 75 insertions, 4 deletions
diff --git a/src/mainboard/google/poppy/variants/nami/gpio.c b/src/mainboard/google/poppy/variants/nami/gpio.c
index 8df93f208e..4ee19b68ae 100644
--- a/src/mainboard/google/poppy/variants/nami/gpio.c
+++ b/src/mainboard/google/poppy/variants/nami/gpio.c
@@ -404,7 +404,7 @@ static const struct pad_config fpmcu_gpio_table[] = {
/* B1 : CORE_VID1 ==> FPMCU_INT_L */
PAD_CFG_GPI_SCI(GPP_B1, UP_20K, DEEP, EDGE_SINGLE, INVERT),
/* B11 : EXT_PWR_GATE# ==> PCH_FP_PWR_EN */
- PAD_CFG_GPO(GPP_B11, 1, DEEP),
+ PAD_CFG_GPO(GPP_B11, 0, DEEP),
/* B19 : GSPI1_CS# ==> PCH_SPI_FP_CS# */
PAD_CFG_NF(GPP_B19, NONE, DEEP, NF1),
/* B20 : GSPI1_CLK ==> PCH_SPI_FP_CLK */
@@ -416,13 +416,48 @@ static const struct pad_config fpmcu_gpio_table[] = {
/* C3 : SML0CLK ==> TOUCHSCREEN_DIS# */
PAD_CFG_GPO(GPP_C3, 0, DEEP),
/* C9 : UART0_TXD ==> FP_RST_ODL */
- PAD_CFG_GPO(GPP_C9, 1, DEEP),
+ PAD_CFG_GPO(GPP_C9, 0, DEEP),
/* D5 : ISH_I2C0_SDA ==> FPMCU_BOOT0 */
PAD_CFG_GPO(GPP_D5, 0, DEEP),
/* D17 : DMIC_CLK1 ==> NC */
PAD_NC(GPP_D17, NONE),
};
+const struct pad_config *variant_romstage_gpio_table(size_t *num)
+{
+ uint32_t sku_id = variant_board_sku();
+ const struct pad_config *board_gpio_tables;
+
+ switch (sku_id) {
+ case SKU_0_EKKO:
+ case SKU_1_EKKO:
+ case SKU_2_EKKO:
+ case SKU_3_EKKO:
+ case SKU_4_EKKO:
+ case SKU_5_EKKO:
+ case SKU_6_EKKO:
+ case SKU_7_EKKO:
+ case SKU_0_BARD:
+ case SKU_1_BARD:
+ case SKU_2_BARD:
+ case SKU_3_BARD:
+ case SKU_4_BARD:
+ case SKU_5_BARD:
+ case SKU_6_BARD:
+ case SKU_7_BARD:
+ *num = ARRAY_SIZE(fpmcu_gpio_table);
+ board_gpio_tables = fpmcu_gpio_table;
+ break;
+ default:
+ /* Initialized in variant_sku_gpio_table */
+ *num = 0;
+ board_gpio_tables = NULL;
+ break;
+ }
+ return board_gpio_tables;
+}
+
+
const struct pad_config *variant_sku_gpio_table(size_t *num)
{
uint32_t sku_id = variant_board_sku();
@@ -468,8 +503,9 @@ const struct pad_config *variant_sku_gpio_table(size_t *num)
case SKU_5_BARD:
case SKU_6_BARD:
case SKU_7_BARD:
- *num = ARRAY_SIZE(fpmcu_gpio_table);
- board_gpio_tables = fpmcu_gpio_table;
+ /* Initialized in variant_romstage_gpio_table */
+ *num = 0;
+ board_gpio_tables = NULL;
break;
default:
*num = ARRAY_SIZE(nami_default_sku_gpio_table);
diff --git a/src/mainboard/google/poppy/variants/nami/mainboard.c b/src/mainboard/google/poppy/variants/nami/mainboard.c
index b703d40fc3..a4634fc6e5 100644
--- a/src/mainboard/google/poppy/variants/nami/mainboard.c
+++ b/src/mainboard/google/poppy/variants/nami/mainboard.c
@@ -15,6 +15,8 @@
#include <soc/ramstage.h>
#include <string.h>
#include <variant/sku.h>
+#include <gpio.h>
+#include <delay.h>
#define PL2_I7_SKU 44
#define PL2_DEFAULT 29
@@ -299,3 +301,36 @@ void variant_devtree_update(void)
sku_overwrite_mapping[oem_index].dc_loadline[i];
}
}
+
+void variant_final(void)
+{
+ uint32_t sku_id = variant_board_sku();
+
+ switch (sku_id) {
+ case SKU_0_BARD:
+ case SKU_1_BARD:
+ case SKU_2_BARD:
+ case SKU_3_BARD:
+ case SKU_4_BARD:
+ case SKU_5_BARD:
+ case SKU_6_BARD:
+ case SKU_7_BARD:
+ case SKU_0_EKKO:
+ case SKU_1_EKKO:
+ case SKU_2_EKKO:
+ case SKU_3_EKKO:
+ case SKU_4_EKKO:
+ case SKU_5_EKKO:
+ case SKU_6_EKKO:
+ case SKU_7_EKKO:
+ /* Enable FPMCU late in the boot process to achieve
+ * ~150ms of power off time in total.
+ */
+ gpio_output(GPP_B11, 1); /* PCH_FP_PWR_EN */
+ mdelay(3);
+ gpio_output(GPP_C9, 1); /* FP_RST_ODL */
+ break;
+ default:
+ break;
+ }
+}