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-rw-r--r--src/mainboard/google/guybrush/variants/baseboard/gpio.c21
-rw-r--r--src/mainboard/google/guybrush/variants/guybrush/gpio.c47
2 files changed, 24 insertions, 44 deletions
diff --git a/src/mainboard/google/guybrush/variants/baseboard/gpio.c b/src/mainboard/google/guybrush/variants/baseboard/gpio.c
index 559a86df88..50595cd769 100644
--- a/src/mainboard/google/guybrush/variants/baseboard/gpio.c
+++ b/src/mainboard/google/guybrush/variants/baseboard/gpio.c
@@ -193,6 +193,12 @@ static const struct soc_amd_gpio early_gpio_table[] = {
/* EN_PWR_WWAN_X */
PAD_GPO(GPIO_8, HIGH),
+/* Put WWAN into reset */
+ /* WWAN_RST_L */
+ PAD_GPO(GPIO_24, LOW),
+ /* WWAN_DISABLE */
+ PAD_GPO(GPIO_85, HIGH),
+
/* Enable ESPI, GSC Interrupt & I2C Communication */
/* GSC_SOC_INT_L */
PAD_INT(GPIO_3, PULL_NONE, EDGE_LOW, STATUS_DELIVERY),
@@ -246,13 +252,13 @@ static const struct soc_amd_gpio early_gpio_table[] = {
*/
static const struct soc_amd_gpio bootblock_gpio_table[] = {
- /* Enable WWAN & WLAN power, Deassert WWAN reset */
- /* EN_PWR_WWAN_X */
- PAD_GPO(GPIO_8, HIGH),
+ /* Enable WWAN, Deassert WWAN reset, keep WWAN PCIe Aux reset asserted */
/* WWAN_RST_L */
PAD_GPO(GPIO_24, HIGH),
/* WWAN_DISABLE */
PAD_GPO(GPIO_85, LOW),
+
+ /* Enable WLAN */
/* WLAN_DISABLE */
PAD_GPO(GPIO_130, LOW),
};
@@ -264,14 +270,6 @@ static const struct soc_amd_gpio sleep_gpio_table[] = {
/* PCIE_RST needs to be brought high before FSP-M runs */
static const struct soc_amd_gpio pcie_gpio_table[] = {
- /* Allow WWAN power to be overridden by platform */
- /* EN_PWR_WWAN_X */
- PAD_GPO(GPIO_8, HIGH),
- /* WWAN_RST_L */
- PAD_GPO(GPIO_24, HIGH),
- /* WWAN_DISABLE */
- PAD_GPO(GPIO_85, LOW),
-
/* Deassert all AUX_RESET lines & PCIE_RST */
/* WWAN_AUX_RESET_L */
PAD_GPO(GPIO_18, HIGH),
@@ -319,6 +317,7 @@ const struct soc_amd_gpio *__weak variant_override_gpio_table(size_t *size)
const struct soc_amd_gpio * __weak variant_early_override_gpio_table(size_t *size)
{
+ /* Note that when overriding this, board ID & CBI is not available */
*size = 0;
return NULL;
}
diff --git a/src/mainboard/google/guybrush/variants/guybrush/gpio.c b/src/mainboard/google/guybrush/variants/guybrush/gpio.c
index b6c8eec8a0..08289c8bc9 100644
--- a/src/mainboard/google/guybrush/variants/guybrush/gpio.c
+++ b/src/mainboard/google/guybrush/variants/guybrush/gpio.c
@@ -8,7 +8,7 @@
#include <baseboard/variants.h>
/* This table is used by guybrush variant with board version < 2. */
-static const struct soc_amd_gpio bid1_gpio_table[] = {
+static const struct soc_amd_gpio bid1_ramstage_gpio_table[] = {
/* Unused TP183 */
PAD_NC(GPIO_31),
/* EN_SPKR */
@@ -21,41 +21,25 @@ static const struct soc_amd_gpio bid1_gpio_table[] = {
/* This table is used by guybrush variant with board version < 2. */
/* Use AUX Reset lines instead of PCIE_RST for Board Version 1 */
-static const struct soc_amd_gpio bid1_early_gpio_table[] = {
+static const struct soc_amd_gpio override_early_gpio_table[] = {
/* SD_AUX_RESET_L */
PAD_GPO(GPIO_70, LOW),
};
/* This table is used by guybrush variant with board version < 2. */
static const struct soc_amd_gpio bid1_pcie_gpio_table[] = {
- /* EN_PWR_WWAN_X */
- PAD_GPO(GPIO_8, LOW),
- /* WWAN_RST_L */
- PAD_GPO(GPIO_24, LOW),
- /* WWAN_DISABLE */
- PAD_GPO(GPIO_85, HIGH),
/* SD_AUX_RESET_L */
PAD_GPO(GPIO_70, HIGH),
};
-/* This table is used by guybrush variant with board version >= 2. */
-static const struct soc_amd_gpio bid2_pcie_gpio_table[] = {
- /* EN_PWR_WWAN_X */
- PAD_GPO(GPIO_8, LOW),
- /* WWAN_RST_L */
- PAD_GPO(GPIO_24, LOW),
- /* WWAN_DISABLE */
- PAD_GPO(GPIO_85, HIGH),
-};
-
const struct soc_amd_gpio *variant_override_gpio_table(size_t *size)
{
uint32_t board_version = board_id();
*size = 0;
if (board_version < 2) {
- *size = ARRAY_SIZE(bid1_gpio_table);
- return bid1_gpio_table;
+ *size = ARRAY_SIZE(bid1_ramstage_gpio_table);
+ return bid1_ramstage_gpio_table;
}
return NULL;
@@ -63,27 +47,24 @@ const struct soc_amd_gpio *variant_override_gpio_table(size_t *size)
const struct soc_amd_gpio *variant_early_override_gpio_table(size_t *size)
{
- uint32_t board_version = board_id();
- *size = 0;
-
- if (board_version < 2) {
- *size = ARRAY_SIZE(bid1_early_gpio_table);
- return bid1_early_gpio_table;
- }
-
- return NULL;
+ /*
+ * This code is run before the EC is available to check the board ID
+ * since this is needed to work on Board ID 1 and is unused on other
+ * versions of guybrush, just enable it.
+ *
+ * Guybrush BID>1: Unused TP27; BID==1: SD_AUX_RESET_L
+ */
+ *size = ARRAY_SIZE(override_early_gpio_table);
+ return override_early_gpio_table;
}
const struct soc_amd_gpio *variant_pcie_override_gpio_table(size_t *size)
{
uint32_t board_version = board_id();
*size = 0;
-
if (board_version < 2) {
*size = ARRAY_SIZE(bid1_pcie_gpio_table);
return bid1_pcie_gpio_table;
}
-
- *size = ARRAY_SIZE(bid2_pcie_gpio_table);
- return bid2_pcie_gpio_table;
+ return NULL;
}