diff options
Diffstat (limited to 'src/mainboard/google/guybrush/variants/baseboard')
3 files changed, 34 insertions, 0 deletions
diff --git a/src/mainboard/google/guybrush/variants/baseboard/Makefile.inc b/src/mainboard/google/guybrush/variants/baseboard/Makefile.inc index e6a64a8dca..d8fce0a6eb 100644 --- a/src/mainboard/google/guybrush/variants/baseboard/Makefile.inc +++ b/src/mainboard/google/guybrush/variants/baseboard/Makefile.inc @@ -3,6 +3,7 @@ bootblock-y += helpers.c romstage-y += helpers.c romstage-y += tpm_tis.c +romstage-y += gpio.c ramstage-y += gpio.c ramstage-y += helpers.c diff --git a/src/mainboard/google/guybrush/variants/baseboard/gpio.c b/src/mainboard/google/guybrush/variants/baseboard/gpio.c index dc72cdb5c6..0b418d8b58 100644 --- a/src/mainboard/google/guybrush/variants/baseboard/gpio.c +++ b/src/mainboard/google/guybrush/variants/baseboard/gpio.c @@ -253,6 +253,29 @@ static const struct soc_amd_gpio sleep_gpio_table[] = { /* TODO: Fill sleep gpio configuration */ }; +/* PCIE_RST needs to be brought high before FSP-M runs */ +static const struct soc_amd_gpio pcie_gpio_table[] = { +/* Disable all AUX_RESET lines & PCIE_RST */ + /* WWAN_AUX_RESET_L */ + PAD_GPO(GPIO_18, HIGH), + /* WLAN_AUX_RESET (ACTIVE HIGH) */ + PAD_GPO(GPIO_29, LOW), + /* SSD_AUX_RESET_L */ + PAD_GPO(GPIO_40, HIGH), + /* SD_AUX_RESET_L */ + PAD_GPO(GPIO_69, HIGH), + /* BID>1: Unused TP27; BID==1: SD_AUX_RESET_L */ + PAD_NC(GPIO_70), + /* PCIE_RST0_L */ + PAD_NFO(GPIO_26, PCIE_RST_L, HIGH), +}; + +const struct soc_amd_gpio *__weak variant_pcie_gpio_table(size_t *size) +{ + *size = ARRAY_SIZE(pcie_gpio_table); + return pcie_gpio_table; +} + const struct soc_amd_gpio *__weak variant_bootblock_gpio_table(size_t *size) { *size = ARRAY_SIZE(bootblock_gpio_table); @@ -282,6 +305,12 @@ const struct soc_amd_gpio * __weak variant_bootblock_override_gpio_table(size_t return NULL; } +const struct soc_amd_gpio * __weak variant_pcie_override_gpio_table(size_t *size) +{ + *size = 0; + return NULL; +} + const struct soc_amd_gpio *__weak variant_early_gpio_table(size_t *size) { *size = ARRAY_SIZE(early_gpio_table); diff --git a/src/mainboard/google/guybrush/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/guybrush/variants/baseboard/include/baseboard/variants.h index f1bbfd3b46..243f7ff884 100644 --- a/src/mainboard/google/guybrush/variants/baseboard/include/baseboard/variants.h +++ b/src/mainboard/google/guybrush/variants/baseboard/include/baseboard/variants.h @@ -25,6 +25,7 @@ const struct soc_amd_gpio *variant_base_gpio_table(size_t *size); 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); const struct soc_amd_gpio *variant_bootblock_override_gpio_table(size_t *size); +const struct soc_amd_gpio *variant_pcie_override_gpio_table(size_t *size); /* This function provides early GPIO init in early bootblock or psp. */ const struct soc_amd_gpio *variant_early_gpio_table(size_t *size); @@ -32,6 +33,9 @@ const struct soc_amd_gpio *variant_early_gpio_table(size_t *size); /* This function provides GPIO settings at the end of bootblock. */ const struct soc_amd_gpio *variant_bootblock_gpio_table(size_t *size); +/* This function provides GPIO settings before PCIe enumeration. */ +const struct soc_amd_gpio *variant_pcie_gpio_table(size_t *size); + /* This function provides GPIO settings before entering sleep. */ const struct soc_amd_gpio *variant_sleep_gpio_table(size_t *size); |