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Diffstat (limited to 'src/mainboard/google/brya/variants/redrix/gpio.c')
-rw-r--r--src/mainboard/google/brya/variants/redrix/gpio.c30
1 files changed, 25 insertions, 5 deletions
diff --git a/src/mainboard/google/brya/variants/redrix/gpio.c b/src/mainboard/google/brya/variants/redrix/gpio.c
index f35e0fd40e..20d6b48c48 100644
--- a/src/mainboard/google/brya/variants/redrix/gpio.c
+++ b/src/mainboard/google/brya/variants/redrix/gpio.c
@@ -37,13 +37,14 @@ static const struct pad_config override_gpio_table[] = {
PAD_NC(GPP_E3, NONE),
/* E7 : PROC_GP1 ==> NC */
PAD_NC(GPP_E7, NONE),
+ /* E16 : RSVD_TP ==> WWAN_RST_L */
+ PAD_CFG_GPO(GPP_E16, 1, DEEP),
/* E20 : DDP2_CTRLCLK ==> NC */
PAD_NC(GPP_E20, NONE),
/* E22 : DDPA_CTRLCLK ==> NC */
PAD_NC(GPP_E22, NONE),
/* E23 : DDPA_CTRLDATA ==> NC */
PAD_NC(GPP_E23, NONE),
-
/* F20 : EXT_PWR_GATE# ==> NC */
PAD_NC(GPP_F20, NONE),
@@ -67,11 +68,17 @@ static const struct pad_config override_gpio_table[] = {
PAD_NC(GPP_S6, NONE),
/* S7 : SNDW3_DATA ==> NC */
PAD_NC(GPP_S7, NONE),
-
+ /*
+ * E0 : SATAXPCIE0 ==> WWAN_PERST_L
+ * Drive high here, so that PERST_L is sequenced after RST_L
+ */
+ PAD_CFG_GPO(GPP_E0, 1, DEEP),
};
/* Early pad configuration in bootblock */
static const struct pad_config early_gpio_table[] = {
+ /* A12 : SATAXPCIE1 ==> EN_PP3300_WWAN */
+ PAD_CFG_GPO(GPP_A12, 1, DEEP),
/* A13 : PMC_I2C_SCL ==> GSC_PCH_INT_ODL */
PAD_CFG_GPI_APIC(GPP_A13, NONE, PLTRST, LEVEL, INVERT),
/* B7 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */
@@ -91,16 +98,18 @@ static const struct pad_config early_gpio_table[] = {
PAD_CFG_GPO(GPP_D2, 1, DEEP),
/* D11 : ISH_SPI_MISO ==> EN_PP3300_SSD */
PAD_CFG_GPO(GPP_D11, 1, DEEP),
- /* E0 : SATAXPCIE0 ==> NC */
- PAD_NC(GPP_E0, NONE),
+ /* E0 : SATAXPCIE0 ==> WWAN_PERST_L (updated in ramstage) */
+ PAD_CFG_GPO(GPP_E0, 0, DEEP),
/* E13 : THC0_SPI1_IO2 ==> MEM_CH_SEL */
PAD_CFG_GPI(GPP_E13, NONE, DEEP),
/* E15 : RSVD_TP ==> PCH_WP_OD */
PAD_CFG_GPI_GPIO_DRIVER(GPP_E15, NONE, DEEP),
- /* E16 : RSVD_TP ==> WWAN_RST_L */
+ /* E16 : RSVD_TP ==> WWAN_RST_L (updated in ramstage) */
PAD_CFG_GPO(GPP_E16, 0, DEEP),
/* F18 : THC1_SPI2_INT# ==> EC_IN_RW_OD */
PAD_CFG_GPI(GPP_F18, NONE, DEEP),
+ /* F21 : EXT_PWR_GATE2# ==> WWAN_FCPO_L (updated in romstage) */
+ PAD_CFG_GPO(GPP_F21, 0, DEEP),
/* H10 : UART0_RXD ==> UART_PCH_RX_DBG_TX */
PAD_CFG_NF(GPP_H10, NONE, DEEP, NF2),
/* H11 : UART0_TXD ==> UART_PCH_TX_DBG_RX */
@@ -115,6 +124,11 @@ static const struct pad_config early_gpio_table[] = {
PAD_CFG_GPO(GPP_B4, 0, DEEP),
};
+static const struct pad_config romstage_gpio_table[] = {
+ /* F21 : EXT_PWR_GATE2# ==> WWAN_FCPO_L (set here for correct power sequencing) */
+ PAD_CFG_GPO(GPP_F21, 1, DEEP),
+};
+
const struct pad_config *variant_gpio_override_table(size_t *num)
{
*num = ARRAY_SIZE(override_gpio_table);
@@ -126,3 +140,9 @@ const struct pad_config *variant_early_gpio_table(size_t *num)
*num = ARRAY_SIZE(early_gpio_table);
return early_gpio_table;
}
+
+const struct pad_config *variant_romstage_gpio_table(size_t *num)
+{
+ *num = ARRAY_SIZE(romstage_gpio_table);
+ return romstage_gpio_table;
+}