gpio.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <baseboard/variants.h>
#include <commonlib/helpers.h>
 
/* Pad configuration in ramstage */
static const struct pad_config gpio_table[] = {
        /* Community 0 - GpioGroup GPP_B */
        PAD_CFG_NF(GPP_B2, NONE, PLTRST, NF1),          /* PMC_VRALERT_N */
        PAD_CFG_NF(GPP_B3, NONE, PLTRST, NF4),          /* ESPI_ALERT0_N */
        PAD_CFG_NF(GPP_B4, NONE, PLTRST, NF4),          /* ESPI_ALERT1_N */
        PAD_NC(GPP_B9, NONE),                           /* Not connected */
        PAD_NC(GPP_B10, NONE),                          /* Not connected */
        PAD_CFG_NF(GPP_B11, NONE, PLTRST, NF1),         /* PMC_ALERT_N */
        PAD_NC(GPP_B14, NONE),                          /* Not connected */
        PAD_CFG_NF(GPP_B15, NONE, PLTRST, NF5),         /* ESPI_CS1_N */
        PAD_NC(GPP_B18, NONE),                          /* Not connected */
        PAD_NC(GPP_B19, NONE),                          /* Not connected */
        PAD_NC(GPP_B20, NONE),                          /* Not connected */
        PAD_NC(GPP_B21, NONE),                          /* Not connected */
        PAD_NC(GPP_B22, NONE),                          /* Not connected */
        PAD_NC(GPP_B23, NONE),                          /* Not connected */
 
        /* Community 0 - GpioGroup GPP_T */
        PAD_CFG_NF(GPP_T4, UP_20K, DEEP, NF1),          /* PSE_GBE0_INT */
        PAD_CFG_NF(GPP_T5, DN_20K, DEEP, NF1),          /* PSE_GBE0_RST_N */
        PAD_CFG_NF(GPP_T6, NONE, DEEP, NF1),            /* PSE_GBE0_AUXTS */
        PAD_CFG_NF(GPP_T7, NONE, DEEP, NF1),            /* PSE_GBE0_PPS */
        PAD_CFG_NF(GPP_T12, NONE, DEEP, NF2),           /* SIO_UART0_RXD */
        PAD_CFG_NF(GPP_T13, NONE, DEEP, NF2),           /* SIO_UART0_TXD */
 
        /* Community 0 - GpioGroup GPP_G */
        PAD_NC(GPP_G8, NONE),                           /* Not connected */
        PAD_NC(GPP_G9, NONE),                           /* Not connected */
        PAD_NC(GPP_G12, NONE),                          /* Not connected */
        PAD_CFG_NF(GPP_G15, NONE, DEEP, NF1),           /* ESPI_IO_0 */
        PAD_CFG_NF(GPP_G16, NONE, DEEP, NF1),           /* ESPI_IO_1 */
        PAD_CFG_NF(GPP_G17, NONE, DEEP, NF1),           /* ESPI_IO_2 */
        PAD_CFG_NF(GPP_G18, NONE, DEEP, NF1),           /* ESPI_IO_3 */
        PAD_CFG_GPI(GPP_G19, UP_20K, PLTRST),           /* TPM_IRQ_N */
        PAD_CFG_NF(GPP_G20, NONE, DEEP, NF1),           /* ESPI_CSO_N */
        PAD_CFG_NF(GPP_G21, NONE, DEEP, NF1),           /* ESPI_CLK */
        PAD_CFG_NF(GPP_G22, NONE, DEEP, NF1),           /* ESPI_RST0_N */
 
        /* Community 1 - GpioGroup GPP_V */
        PAD_CFG_NF(GPP_V0, UP_20K, DEEP, NF1),          /* EMMC_CMD */
        PAD_CFG_NF(GPP_V1, UP_20K, DEEP, NF1),          /* EMMC_DATA0 */
        PAD_CFG_NF(GPP_V2, UP_20K, DEEP, NF1),          /* EMMC_DATA1 */
        PAD_CFG_NF(GPP_V3, UP_20K, DEEP, NF1),          /* EMMC_DATA2 */
        PAD_CFG_NF(GPP_V4, UP_20K, DEEP, NF1),          /* EMMC_DATA3 */
        PAD_CFG_NF(GPP_V5, UP_20K, DEEP, NF1),          /* EMMC_DATA4 */
        PAD_CFG_NF(GPP_V6, UP_20K, DEEP, NF1),          /* EMMC_DATA5 */
        PAD_CFG_NF(GPP_V7, UP_20K, DEEP, NF1),          /* EMMC_DATA6 */
        PAD_CFG_NF(GPP_V8, UP_20K, DEEP, NF1),          /* EMMC_DATA7 */
        PAD_CFG_NF(GPP_V9, DN_20K, DEEP, NF1),          /* EMMC_RCLK */
        PAD_CFG_NF(GPP_V10, DN_20K, DEEP, NF1),         /* EMMC_CLK */
        PAD_CFG_NF(GPP_V11, NONE, DEEP, NF1),           /* EMMC_RESET_N */
 
        /* Community 1 - GpioGroup GPP_H */
        PAD_CFG_NF(GPP_H0, DN_20K, DEEP, NF1),          /* PSE_GBE1_INT */
        PAD_CFG_NF(GPP_H1, DN_20K, DEEP, NF1),          /* PSE_GBE1_RST_N */
        PAD_CFG_NF(GPP_H2, NONE, DEEP, NF1),            /* PSE_GBE1_AUXTS */
        PAD_CFG_NF(GPP_H3, NONE, DEEP, NF1),            /* PSE_GBE1_PPS */
        PAD_CFG_NF(GPP_H8, UP_20K, DEEP, NF1),          /* SIO_I2C4_SDA */
        PAD_CFG_NF(GPP_H9, UP_20K, DEEP, NF1),          /* SIO_I2C4_SCL */
 
        /* Community 1 - GpioGroup GPP_D */
        PAD_CFG_GPO(GPP_D16, 0, DEEP),                  /* EMMC_PWR_EN_N */
 
        /* Community 1 - GpioGroup GPP_U */
        PAD_CFG_NF(GPP_U0, DN_20K, DEEP, NF1),          /* GBE_INT */
        PAD_CFG_NF(GPP_U1, DN_20K, DEEP, NF1),          /* GBE_RST_N */
        PAD_CFG_NF(GPP_U2, NONE, DEEP, NF1),            /* GBE_PPS */
        PAD_CFG_NF(GPP_U3, NONE, DEEP, NF1),            /* GBE_AUXTS */
        PAD_NC(GPP_U12, NONE),                          /* Not connected */
        PAD_NC(GPP_U13, NONE),                          /* Not connected */
        PAD_NC(GPP_U16, NONE),                          /* Not connected */
        PAD_NC(GPP_U17, NONE),                          /* Not connected */
        PAD_NC(GPP_U18, NONE),                          /* Not connected */
        PAD_CFG_GPO(GPP_U19, 1, DEEP),                  /* UPD_REQ_N */
 
        /* Community 2 - GpioGroup DSW */
        PAD_CFG_NF(GPD4, NONE, PLTRST, NF1),            /* SLP_S3 */
        PAD_CFG_NF(GPD5, NONE, PLTRST, NF1),            /* SLP_S4 */
        PAD_NC(GPD7, NONE),                             /* Not connected */
        PAD_CFG_NF(GPD10, NONE, PLTRST, NF1),           /* SLP_S5 */
 
        /* Community 3 - GpioGroup GPP_S */
        PAD_NC(GPP_S0, NONE),                           /* Not connected */
        PAD_NC(GPP_S1, NONE),                           /* Not connected */
 
        /* Community 3 - GpioGroup GPP_A */
        PAD_CFG_NF(GPP_A0, NONE, DEEP, NF1),            /* PSE_GBE0_RGMII_TXD3 */
        PAD_CFG_NF(GPP_A1, NONE, DEEP, NF1),            /* PSE_GBE0_RGMII_TXD2 */
        PAD_CFG_NF(GPP_A2, NONE, DEEP, NF1),            /* PSE_GBE0_RGMII_TXD1 */
        PAD_CFG_NF(GPP_A3, NONE, DEEP, NF1),            /* PSE_GBE0_RGMII_TXD0 */
        PAD_CFG_NF(GPP_A4, NONE, DEEP, NF1),            /* PSE_GBE0_RGMII_TXCLK */
        PAD_CFG_NF(GPP_A5, NONE, DEEP, NF1),            /* PSE_GBE0_RGMII_TXCTL */
        PAD_CFG_NF(GPP_A6, NONE, DEEP, NF1),            /* PSE_GBE0_RGMII_RXCLK */
        PAD_CFG_NF(GPP_A7, NONE, DEEP, NF1),            /* PSE_GBE0_RGMII_RXD3 */
        PAD_CFG_NF(GPP_A8, NONE, DEEP, NF1),            /* PSE_GBE0_RGMII_RXD2 */
        PAD_CFG_NF(GPP_A9, NONE, DEEP, NF1),            /* PSE_GBE0_RGMII_RXD1 */
        PAD_CFG_NF(GPP_A10, NONE, DEEP, NF1),           /* PSE_GBE0_RGMII_RXD0 */
        PAD_CFG_NF(GPP_A23, NONE, DEEP, NF1),           /* PSE_GBE0_RGMII_RXCTL */
 
        /* Community 4 - GpioGroup GPP_C */
        PAD_CFG_NF(GPP_C3, NONE, DEEP, NF1),            /* PSE_GBE0_MDC */
        PAD_CFG_NF(GPP_C4, NONE, DEEP, NF1),            /* PSE_GBE0_MDIO */
        PAD_NC(GPP_C5, NONE),                           /* Not connected */
        PAD_CFG_NF(GPP_C6, NONE, DEEP, NF1),            /* PSE_GBE0_AUXTS */
        PAD_CFG_NF(GPP_C7, NONE, DEEP, NF1),            /* PSE_GBE0_PPS */
        PAD_NC(GPP_C8, NONE),                           /* Not connected */
        PAD_CFG_NF(GPP_C12, NONE, DEEP, NF4),           /* SIO_UART1_RXD */
        PAD_CFG_NF(GPP_C13, NONE, DEEP, NF4),           /* SIO_UART1_TXD */
        PAD_CFG_NF(GPP_C16, NONE, DEEP, NF1),           /* GBE_MDIO */
        PAD_CFG_NF(GPP_C17, NONE, DEEP, NF1),           /* GBE_MDC */
        PAD_CFG_NF(GPP_C18, NONE, DEEP, NF4),           /* SIO_I2C1_SDA */
        PAD_CFG_NF(GPP_C19, NONE, DEEP, NF4),           /* SIO_I2C1_SCL */
 
        /* Community 4 - GpioGroup GPP_F */
        PAD_NC(GPP_F0, NONE),                           /* Not connected */
        PAD_NC(GPP_F1, NONE),                           /* Not connected */
        PAD_NC(GPP_F2, NONE),                           /* Not connected */
        PAD_NC(GPP_F3, NONE),                           /* Not connected */
        PAD_NC(GPP_F4, NONE),                           /* Not connected */
        PAD_NC(GPP_F5, NONE),                           /* Not connected */
        PAD_NC(GPP_F7, NONE),                           /* Not connected */
        PAD_NC(GPP_F8, NONE),                           /* Not connected */
        PAD_NC(GPP_F10, NONE),                          /* Not connected */
        PAD_NC(GPP_F11, NONE),                          /* Not connected */
        PAD_NC(GPP_F12, NONE),                          /* Not connected */
        PAD_NC(GPP_F13, NONE),                          /* Not connected */
        PAD_NC(GPP_F14, NONE),                          /* Not connected */
        PAD_NC(GPP_F15, NONE),                          /* Not connected */
        PAD_NC(GPP_F16, NONE),                          /* Not connected */
        PAD_NC(GPP_F17, NONE),                          /* Not connected */
        PAD_NC(GPP_F20, NONE),                          /* Not connected */
        PAD_NC(GPP_F21, NONE),                          /* Not connected */
 
        /* Community 4 - GpioGroup GPP_E */
        PAD_CFG_NF(GPP_E0, NONE, DEEP, NF1),            /* SATA_LED_N */
        PAD_CFG_NF(GPP_E3, NONE, DEEP, NF1),            /* DDI1_HPD */
        PAD_CFG_NF(GPP_E5, NONE, DEEP, NF1),            /* DDI1_DDC_SDA */
        PAD_NC(GPP_E6, NONE),                           /* Not connected */
        PAD_CFG_NF(GPP_E7, NONE, DEEP, NF1),            /* DDI1_DDC_SCL */
        PAD_CFG_NF(GPP_E14, NONE, DEEP, NF1),           /* DDI0_HPD */
        PAD_NC(GPP_E15, NONE),                          /* Not connected */
        PAD_NC(GPP_E16, NONE),                          /* Not connected */
        PAD_CFG_NF(GPP_E18, NONE, DEEP, NF1),           /* DDI0_DDC_SDA */
        PAD_CFG_NF(GPP_E19, NONE, DEEP, NF1),           /* DDI0_DDC_SCL */
        PAD_NC(GPP_E23, NONE),                          /* Not connected */
 
        /* Community 5 - GpioGroup GPP_R */
        PAD_NC(GPP_R1, NONE),                           /* Not connected */
        PAD_NC(GPP_R2, NONE),                           /* Not connected */
        PAD_NC(GPP_R3, NONE),                           /* Not connected */
};
 
/* Early pad configuration in bootblock */
static const struct pad_config early_gpio_table[] = {
        PAD_CFG_NF(GPP_C0, NONE, DEEP, NF1),            /* SMB_CLK */
        PAD_CFG_NF(GPP_C1, NONE, DEEP, NF1),            /* SMB_DATA */
        PAD_CFG_NF(GPP_C2, NONE, DEEP, NF2),            /* SMB_ALERT_N */
        PAD_CFG_NF(GPP_C20, NONE, DEEP, NF4),           /* SIO_UART2_RXD */
        PAD_CFG_NF(GPP_C21, NONE, DEEP, NF4),           /* SIO_UART2_TXD */
};
 
const struct pad_config *variant_gpio_table(size_t *num)
{
        *num = ARRAY_SIZE(gpio_table);
        return gpio_table;
}
 
const struct pad_config *variant_early_gpio_table(size_t *num)
{
        *num = ARRAY_SIZE(early_gpio_table);
        return early_gpio_table;
}