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Diffstat (limited to 'src/mainboard/google/guybrush/variants/nipperkin/gpio.c')
-rw-r--r--src/mainboard/google/guybrush/variants/nipperkin/gpio.c36
1 files changed, 34 insertions, 2 deletions
diff --git a/src/mainboard/google/guybrush/variants/nipperkin/gpio.c b/src/mainboard/google/guybrush/variants/nipperkin/gpio.c
index a2a0e93f46..00fd9642fd 100644
--- a/src/mainboard/google/guybrush/variants/nipperkin/gpio.c
+++ b/src/mainboard/google/guybrush/variants/nipperkin/gpio.c
@@ -39,8 +39,6 @@ static const struct soc_amd_gpio bid2_override_gpio_table[] = {
};
static const struct soc_amd_gpio override_early_gpio_table[] = {
- /* BID == 1: GSC_SOC_INT_L, BID > 1: Unused */
- PAD_INT(GPIO_3, PULL_NONE, EDGE_LOW, STATUS_DELIVERY),
PAD_NC(GPIO_18),
};
@@ -48,6 +46,27 @@ static const struct soc_amd_gpio override_pcie_gpio_table[] = {
PAD_NC(GPIO_18),
};
+
+/* This table is used by nipperkin variant with board version < 2. */
+static const struct soc_amd_gpio bid1_tpm_gpio_table[] = {
+ /* I2C3_SCL */
+ PAD_NF(GPIO_19, I2C3_SCL, PULL_NONE),
+ /* I2C3_SDA */
+ PAD_NF(GPIO_20, I2C3_SDA, PULL_NONE),
+ /* GSC_SOC_INT_L */
+ PAD_INT(GPIO_3, PULL_NONE, EDGE_LOW, STATUS_DELIVERY),
+};
+
+/* This table is used by nipperkin variant with board version >= 2. */
+static const struct soc_amd_gpio bid2_tpm_gpio_table[] = {
+ /* I2C3_SCL */
+ PAD_NF(GPIO_19, I2C3_SCL, PULL_NONE),
+ /* I2C3_SDA */
+ PAD_NF(GPIO_20, I2C3_SDA, PULL_NONE),
+ /* GSC_SOC_INT_L */
+ PAD_INT(GPIO_85, PULL_NONE, EDGE_LOW, STATUS_DELIVERY),
+};
+
const struct soc_amd_gpio *variant_override_gpio_table(size_t *size)
{
uint32_t board_version = board_id();
@@ -72,3 +91,16 @@ const struct soc_amd_gpio *variant_pcie_override_gpio_table(size_t *size)
*size = ARRAY_SIZE(override_pcie_gpio_table);
return override_pcie_gpio_table;
}
+
+const struct soc_amd_gpio *variant_tpm_gpio_table(size_t *size)
+{
+ uint32_t board_version = board_id();
+
+ if (board_version < 2) {
+ *size = ARRAY_SIZE(bid1_tpm_gpio_table);
+ return bid1_tpm_gpio_table;
+ }
+
+ *size = ARRAY_SIZE(bid2_tpm_gpio_table);
+ return bid2_tpm_gpio_table;
+}