diff options
Diffstat (limited to 'src/mainboard/google/octopus/variants/yorp/gpio.c')
| -rw-r--r-- | src/mainboard/google/octopus/variants/yorp/gpio.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/mainboard/google/octopus/variants/yorp/gpio.c b/src/mainboard/google/octopus/variants/yorp/gpio.c new file mode 100644 index 0000000000..571988868f --- /dev/null +++ b/src/mainboard/google/octopus/variants/yorp/gpio.c @@ -0,0 +1,53 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 Google LLC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the + * GNU General Public License for more details. + */ + +#include <baseboard/gpio.h> +#include <baseboard/variants.h> +#include <gpio.h> +#include <soc/gpio.h> + +/* GPIOs needed prior to ramstage. */ +static const struct pad_config early_gpio_table[] = { + PAD_CFG_GPI(GPIO_190, NONE, DEEP), /* PCH_WP_OD */ + /* GSPI0_INT */ + PAD_CFG_GPI_APIC_IOS(GPIO_63, NONE, DEEP, LEVEL, INVERT, TxDRxE, + DISPUPD), /* H1_PCH_INT_ODL */ + /* GSPI0_CLK */ + PAD_CFG_NF(GPIO_79, NONE, DEEP, NF1), /* H1_SLAVE_SPI_CLK_R */ + /* GSPI0_CS# */ + PAD_CFG_NF(GPIO_80, NONE, DEEP, NF1), /* H1_SLAVE_SPI_CS_L_R */ + /* GSPI0_MISO */ + PAD_CFG_NF(GPIO_82, NONE, DEEP, NF1), /* H1_SLAVE_SPI_MISO */ + /* GSPI0_MOSI */ + PAD_CFG_NF(GPIO_83, NONE, DEEP, NF1), /* H1_SLAVE_SPI_MOSI_R */ + + /* Enable power to wifi early in bootblock and de-assert PERST#. */ + PAD_CFG_GPO(GPIO_178, 1, DEEP), /* EN_PP3300_WLAN */ + PAD_CFG_GPO(GPIO_164, 0, DEEP), /* WLAN_PE_RST */ + + /* + * ESPI_IO1 acts as ALERT# (which is open-drain) and requies a weak + * pull-up for proper operation. Since there is no external pull present + * on this platform, configure an internal weak pull-up. + */ + PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_151, UP_20K, DEEP, NF2, HIZCRx1, + ENPU), /* ESPI_IO1 */ +}; + +const struct pad_config *variant_early_gpio_table(size_t *num) +{ + *num = ARRAY_SIZE(early_gpio_table); + return early_gpio_table; +} |