gpio.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <commonlib/helpers.h>
 
/* Pad configuration in ramstage */
/* Leave eSPI pins untouched from default settings */
static const struct pad_config gpio_table[] = {
        /* A0  : RCIN# ==> NC(TP41) */
        PAD_NC(GPP_A0, NONE),
        /* A1  : ESPI_IO0 */
        /* A2  : ESPI_IO1 */
        /* A3  : ESPI_IO2 */
        /* A4  : ESPI_IO3 */
        /* A5  : ESPI_CS# */
        /* A6  : SERIRQ ==> NC(TP44) */
        PAD_NC(GPP_A6, NONE),
        /* A7  : PIRQA# ==> NC(TP29) */
        PAD_NC(GPP_A7, NONE),
        /* A8  : CLKRUN# ==> NC(TP45) */
        PAD_NC(GPP_A8, NONE),
        /* A9  : ESPI_CLK */
        /* A10 : CLKOUT_LPC1 ==> NC */
        PAD_NC(GPP_A10, NONE),
        /* A11 : PME# ==> NC(TP67) */
        PAD_NC(GPP_A11, NONE),
        /* A12 : BM_BUSY# ==> NC */
        PAD_NC(GPP_A12, NONE),
        /* A13 : SUSWARN# ==> SUSWARN_L */
        PAD_CFG_NF(GPP_A13, NONE, DEEP, NF1),
        /* A14 : ESPI_RESET# */
        /* A15 : SUSACK# ==> SUSACK_L */
        PAD_CFG_NF(GPP_A15, NONE, DEEP, NF1),
        /* A16 : SD_1P8_SEL ==> SD_PWR_1800_SEL */
        PAD_CFG_NF(GPP_A16, NONE, DEEP, NF1),
        /* A17 : SD_PWR_EN# ==> EN_SD_SOCKET_PWR_L */
        PAD_CFG_NF(GPP_A17, NONE, DEEP, NF1),
        /* A18 : ISH_GP0 ==> NC */
        PAD_NC(GPP_A18, NONE),
        /* A19 : ISH_GP1 ==> NC */
        PAD_NC(GPP_A19, NONE),
        /* A20 : ISH_GP2 ==> ACCEL_GYRO_INT_L */
        PAD_CFG_GPI_APIC_HIGH(GPP_A20, NONE, PLTRST),
        /* A21 : ISH_GP3 ==> NC */
        PAD_NC(GPP_A21, NONE),
        /* A22 : ISH_GP4 ==> NC */
        PAD_NC(GPP_A22, NONE),
        /* A23 : ISH_GP5 ==> NC */
        PAD_NC(GPP_A23, NONE),
 
        /* B0  : CORE_VID0 ==> NC(TP42) */
        PAD_NC(GPP_B0, NONE),
        /* B1  : CORE_VID1 ==> NC(TP43) */
        PAD_NC(GPP_B1, NONE),
        /* B2  : VRALERT# ==> NC */
        PAD_NC(GPP_B2, NONE),
        /* B3  : CPU_GP2 ==> NC */
        PAD_NC(GPP_B3, NONE),
        /* B4  : CPU_GP3 ==> NC */
        PAD_NC(GPP_B4, NONE),
        /* B5  : SRCCLKREQ0# ==> NC */
        PAD_NC(GPP_B5, NONE),
        /* B6  : SRCCLKREQ1# ==> WLAN_PCIE_CLKREQ_L */
        PAD_CFG_NF(GPP_B6, NONE, DEEP, NF1),
        /* B7  : SRCCLKREQ2# ==> NC */
        PAD_NC(GPP_B7, NONE),
        /* B8  : SRCCLKREQ3# ==> WLAN_PE_RST */
        PAD_CFG_GPO(GPP_B8, 0, RSMRST),
        /* B9  : SRCCLKREQ4# ==> NC */
        PAD_NC(GPP_B9, NONE),
        /* B10 : SRCCLKREQ5# ==> NC */
        PAD_NC(GPP_B10, NONE),
        /* B11 : EXT_PWR_GATE# ==> NC */
        PAD_NC(GPP_B11, NONE),
        /* B12 : SLP_S0# ==> SLP_S0_L_G */
        PAD_CFG_NF(GPP_B12, NONE, DEEP, NF1),
        /* B13 : PLTRST# ==> PLT_RST_L */
        PAD_CFG_NF(GPP_B13, NONE, DEEP, NF1),
        /* B14 : SPKR ==> NC */
        PAD_NC(GPP_B14, NONE),
        /* B15 : GSPI0_CS# ==> NC */
        PAD_NC(GPP_B15, NONE),
        /* B16 : GSPI0_CLK ==> NC */
        PAD_NC(GPP_B16, NONE),
        /* B17 : GSPI0_MISO ==> NC */
        PAD_NC(GPP_B17, NONE),
        /* B18 : GSPI0_MOSI ==> NC */
        PAD_NC(GPP_B18, NONE),
        /* B19 : GSPI1_CS# ==> NC */
        PAD_NC(GPP_B19, NONE),
        /* B20 : GSPI1_CLK ==> NC */
        PAD_NC(GPP_B20, NONE),
        /* B21 : GSPI1_MISO ==> NC */
        PAD_NC(GPP_B21, NONE),
        /* B22 : GSPI1_MOSI ==> NC */
        PAD_NC(GPP_B22, NONE),
        /* B23 : SM1ALERT# ==> NC */
        PAD_NC(GPP_B23, NONE),
 
        /* C0  : SMBCLK ==> NC */
        PAD_NC(GPP_C0, NONE),
        /* C1  : SMBDATA ==> NC */
        PAD_NC(GPP_C1, NONE),
        /* C2  : SMBALERT# ==> NC */
        PAD_NC(GPP_C2, NONE),
        /* C3  : SML0CLK ==> NC */
        PAD_NC(GPP_C3, NONE),
        /* C4  : SML0DATA ==> NC */
        PAD_NC(GPP_C4, NONE),
        /* C5  : SML0ALERT# ==> NC */
        PAD_NC(GPP_C5, NONE),
        /* C6  : SM1CLK ==> EC_IN_RW_OD */
        PAD_CFG_GPI_GPIO_DRIVER(GPP_C6, UP_20K, DEEP),
        /* C7  : SM1DATA ==> NC */
        PAD_NC(GPP_C7, NONE),
        /* C8  : UART0_RXD ==> NC */
        PAD_NC(GPP_C8, NONE),
        /* C9  : UART0_TXD ==> NC */
        PAD_NC(GPP_C9, NONE),
        /* C10 : UART0_RTS# ==> EC_CAM_PMIC_RST_L */
        PAD_CFG_GPO(GPP_C10, 1, DEEP),
        /* C11 : UART0_CTS# ==> EN_PP3300_DX_CAM */
        PAD_CFG_GPO(GPP_C11, 0, DEEP),
        /* C12 : UART1_RXD ==> PCH_MEM_CONFIG[0] */
        PAD_CFG_GPI_GPIO_DRIVER(GPP_C12, NONE, DEEP),
        /* C13 : UART1_TXD ==> PCH_MEM_CONFIG[1] */
        PAD_CFG_GPI_GPIO_DRIVER(GPP_C13, NONE, DEEP),
        /* C14 : UART1_RTS# ==> PCH_MEM_CONFIG[2] */
        PAD_CFG_GPI_GPIO_DRIVER(GPP_C14, NONE, DEEP),
        /* C15 : UART1_CTS# ==> PCH_MEM_CONFIG[3] */
        PAD_CFG_GPI_GPIO_DRIVER(GPP_C15, NONE, DEEP),
        /* C16 : I2C0_SDA ==> PCH_I2C0_TOUCHSCREEN_3V3_SDA */
        PAD_CFG_NF(GPP_C16, NONE, DEEP, NF1),
        /* C17 : I2C0_SCL ==> PCH_I2C0_TOUCHSCREEN_3V3_SCL */
        PAD_CFG_NF(GPP_C17, NONE, DEEP, NF1),
        /* C18 : I2C1_SDA ==> PCH_I2C1_H1_3V3_SDA */
        PAD_CFG_NF(GPP_C18, NONE, DEEP, NF1),
        /* C19 : I2C1_SCL ==> PCH_I2C1_H1_3V3_SCL */
        PAD_CFG_NF(GPP_C19, NONE, DEEP, NF1),
        /* C20 : UART2_RXD ==> PCHRX_SERVOTX_UART */
        PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1),
        /* C21 : UART2_TXD ==> PCHTX_SERVORX_UART */
        PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1),
        /* C22 : UART2_RTS# ==> EN_PP3300_DX_TOUCHSCREEN */
        PAD_CFG_GPO(GPP_C22, 0, DEEP),
        /* C23 : UART2_CTS# ==> PCH_WP */
        PAD_CFG_GPI_GPIO_DRIVER(GPP_C23, UP_20K, DEEP),
 
        /* D0  : SPI1_CS# ==> NC */
        PAD_NC(GPP_D0, NONE),
        /* D1  : SPI1_CLK ==> NC */
        PAD_NC(GPP_D1, NONE),
        /* D2  : SPI1_MISO ==> NC */
        PAD_NC(GPP_D2, NONE),
        /* D3  : SPI1_MOSI ==> NC */
        PAD_NC(GPP_D3, NONE),
        /* D4  : FASHTRIG ==> NC */
        PAD_NC(GPP_D4, NONE),
        /* D5  : ISH_I2C0_SDA ==> NC */
        PAD_NC(GPP_D5, NONE),
        /* D6  : ISH_I2C0_SCL ==> NC */
        PAD_NC(GPP_D6, NONE),
        /* D7  : ISH_I2C1_SDA ==> NC */
        PAD_NC(GPP_D7, NONE),
        /* D8  : ISH_I2C1_SCL ==> NC */
        PAD_NC(GPP_D8, NONE),
        /* D9  : ISH_SPI_CS# ==> HP_IRQ_GPIO */
        PAD_CFG_GPI_GPIO_DRIVER(GPP_D9, NONE, PLTRST),
        /* D10 : ISH_SPI_CLK ==> SPKR_RST_L */
        PAD_CFG_GPO(GPP_D10, 1, DEEP),
        /* D11 : ISH_SPI_MISO ==> SPKR_INT_L */
        PAD_CFG_GPI_APIC_HIGH(GPP_D11, NONE, PLTRST),
        /* D12 : ISH_SPI_MOSI ==> NC */
        PAD_NC(GPP_D12, NONE),
        /* D13 : ISH_UART0_RXD ==> NC */
        PAD_NC(GPP_D13, NONE),
        /* D14 : ISH_UART0_TXD ==> NC */
        PAD_NC(GPP_D14, NONE),
        /* D15 : ISH_UART0_RTS# ==> NC */
        PAD_NC(GPP_D15, NONE),
        /* D16 : ISH_UART0_CTS# ==> NC */
        PAD_NC(GPP_D16, NONE),
        /* D17 : DMIC_CLK1 */
        PAD_CFG_NF(GPP_D17, NONE, DEEP, NF1),
        /* D18 : DMIC_DATA1 */
        PAD_CFG_NF(GPP_D18, NONE, DEEP, NF1),
        /* D19 : DMIC_CLK0 */
        PAD_CFG_NF(GPP_D19, NONE, DEEP, NF1),
        /* D20 : DMIC_DATA0 */
        PAD_CFG_NF(GPP_D20, NONE, DEEP, NF1),
        /* D21 : SPI1_IO2 ==> NC */
        PAD_NC(GPP_D21, NONE),
        /* D22 : SPI1_IO3 ==> BOOT_BEEP_OVERRIDE */
        PAD_CFG_GPO(GPP_D22, 1, DEEP),
        /* D23 : I2S_MCLK ==> I2S_MCLK_R */
        PAD_CFG_NF(GPP_D23, NONE, DEEP, NF1),
 
        /* E0  : SATAXPCI0 ==> H1_PCH_INT_ODL */
        PAD_CFG_GPI_APIC_LOW(GPP_E0, NONE, PLTRST),
        /* E1  : SATAXPCIE1 ==> NC */
        PAD_NC(GPP_E1, NONE),
        /* E2  : SATAXPCIE2 ==> NC */
        PAD_NC(GPP_E2, NONE),
        /* E3  : CPU_GP0 ==> TOUCHSCREEN_RST_L */
        PAD_CFG_GPO(GPP_E3, 0, DEEP),
        /* E4  : SATA_DEVSLP0 ==> NC */
        PAD_NC(GPP_E4, NONE),
        /* E5  : SATA_DEVSLP1 ==> NC */
        PAD_NC(GPP_E5, NONE),
        /* E6  : SATA_DEVSLP2 ==> NC */
        PAD_NC(GPP_E6, NONE),
        /* E7  : CPU_GP1 ==> TOUCHSCREEN_INT_L */
        PAD_CFG_GPI_APIC_HIGH(GPP_E7, NONE, PLTRST),
        /* E8  : SATALED# ==> NC */
        PAD_NC(GPP_E8, NONE),
        /* E9  : USB2_OCO# ==> USB_C0_OC_ODL */
        PAD_CFG_NF(GPP_E9, NONE, DEEP, NF1),
        /* E10 : USB2_OC1# ==> USB_C1_OC_ODL */
        PAD_CFG_NF(GPP_E10, NONE, DEEP, NF1),
        /* E11 : USB2_OC2# ==> TOUCHSCREEN_STOP_L */
        PAD_CFG_GPO(GPP_E11, 0, DEEP),
        /* E12 : USB2_OC3# ==> USB2_OC3_L */
        PAD_CFG_NF(GPP_E12, NONE, DEEP, NF1),
        /* E13 : DDPB_HPD0 ==> USB_C0_DP_HPD */
        PAD_CFG_NF(GPP_E13, DN_20K, DEEP, NF1),
        /* E14 : DDPC_HPD1 ==> USB_C1_DP_HPD */
        PAD_CFG_NF(GPP_E14, DN_20K, DEEP, NF1),
        /* E15 : DDPD_HPD2 ==> SD_CD# */
        PAD_CFG_GPI_GPIO_DRIVER(GPP_E15, UP_20K, DEEP),
        /* E16 : DDPE_HPD3 ==> NC(TP244) */
        PAD_NC(GPP_E16, NONE),
        /* E17 : EDP_HPD */
        PAD_CFG_NF(GPP_E17, NONE, DEEP, NF1),
        /* E18 : DDPB_CTRLCLK ==> NC */
        PAD_NC(GPP_E18, NONE),
        /* E19 : DDPB_CTRLDATA ==> NC */
        PAD_NC(GPP_E19, NONE),
        /* E20 : DDPC_CTRLCLK ==> NC */
        PAD_NC(GPP_E20, NONE),
        /* E21 : DDPC_CTRLDATA ==> NC */
        PAD_NC(GPP_E21, NONE),
        /* E22 : DDPD_CTRLCLK ==> NC */
        PAD_NC(GPP_E22, NONE),
        /* E23 : DDPD_CTRLDATA ==> NC */
        PAD_NC(GPP_E23, NONE),
 
        /* The next 3 pads are for bit banging the amplifiers, default to I2S */
        /* F0  : I2S2_SCLK ==> I2S2_SCLK_SPKR_R */
        PAD_CFG_GPI_GPIO_DRIVER(GPP_F0, NONE, DEEP),
        /* F1  : I2S2_SFRM ==> I2S2_SFRM_SPKR_R */
        PAD_CFG_GPI_GPIO_DRIVER(GPP_F1, NONE, DEEP),
        /* F2  : I2S2_TXD ==> I2S2_PCH_TX_SPKR_RX_R */
        PAD_CFG_GPI_GPIO_DRIVER(GPP_F2, NONE, DEEP),
        /* F3  : I2S2_RXD ==> NC */
        PAD_NC(GPP_F3, NONE),
        /* F4  : I2C2_SDA ==> PCH_I2C2_CAM_PMIC_1V8_SDA */
        PAD_CFG_NF_1V8(GPP_F4, NONE, DEEP, NF1),
        /* F5  : I2C2_SCL ==> PCH_I2C2_CAM_PMIC_1V8_SCL */
        PAD_CFG_NF_1V8(GPP_F5, NONE, DEEP, NF1),
        /* F6  : I2C3_SDA ==> PCH_I2C3_PEN_1V8_SDA */
        PAD_CFG_NF_1V8(GPP_F6, NONE, DEEP, NF1),
        /* F7  : I2C3_SCL ==> PCH_I2C3_PEN_1V8_SCL */
        PAD_CFG_NF_1V8(GPP_F7, NONE, DEEP, NF1),
        /* F8  : I2C4_SDA ==> PCH_I2C4_UFCAM_1V8_SDA */
        PAD_CFG_NF_1V8(GPP_F8, NONE, DEEP, NF1),
        /* F9  : I2C4_SCL ==> PCH_I2C4_UFCAM_1V8_SCL */
        PAD_CFG_NF_1V8(GPP_F9, NONE, DEEP, NF1),
        /* F10 : I2C5_SDA ==> PCH_I2C5_AUDIO_1V8_SDA */
        PAD_CFG_NF_1V8(GPP_F10, NONE, DEEP, NF1),
        /* F11 : I2C5_SCL ==> PCH_I2C5_AUDIO_1V8_SCL */
        PAD_CFG_NF_1V8(GPP_F11, NONE, DEEP, NF1),
        /* F12 : EMMC_CMD */
        PAD_CFG_NF(GPP_F12, NONE, DEEP, NF1),
        /* F13 : EMMC_DATA0 */
        PAD_CFG_NF(GPP_F13, NONE, DEEP, NF1),
        /* F14 : EMMC_DATA1 */
        PAD_CFG_NF(GPP_F14, NONE, DEEP, NF1),
        /* F15 : EMMC_DATA2 */
        PAD_CFG_NF(GPP_F15, NONE, DEEP, NF1),
        /* F16 : EMMC_DATA3 */
        PAD_CFG_NF(GPP_F16, NONE, DEEP, NF1),
        /* F17 : EMMC_DATA4 */
        PAD_CFG_NF(GPP_F17, NONE, DEEP, NF1),
        /* F18 : EMMC_DATA5 */
        PAD_CFG_NF(GPP_F18, NONE, DEEP, NF1),
        /* F19 : EMMC_DATA6 */
        PAD_CFG_NF(GPP_F19, NONE, DEEP, NF1),
        /* F20 : EMMC_DATA7 */
        PAD_CFG_NF(GPP_F20, NONE, DEEP, NF1),
        /* F21 : EMMC_RCLK */
        PAD_CFG_NF(GPP_F21, NONE, DEEP, NF1),
        /* F22 : EMMC_CLK */
        PAD_CFG_NF(GPP_F22, NONE, DEEP, NF1),
        /* F23 : RSVD ==> NC */
        PAD_NC(GPP_F23, NONE),
 
        /* G0  : SD_CMD */
        PAD_CFG_NF(GPP_G0, NONE, DEEP, NF1),
        /* G1  : SD_DATA0 */
        PAD_CFG_NF(GPP_G1, NONE, DEEP, NF1),
        /* G2  : SD_DATA1 */
        PAD_CFG_NF(GPP_G2, NONE, DEEP, NF1),
        /* G3  : SD_DATA2 */
        PAD_CFG_NF(GPP_G3, NONE, DEEP, NF1),
        /* G4  : SD_DATA3 */
        PAD_CFG_NF(GPP_G4, NONE, DEEP, NF1),
        /* G5  : SD_CD# */
        PAD_CFG_NF(GPP_G5, NONE, DEEP, NF1),
        /* G6  : SD_CLK */
        PAD_CFG_NF(GPP_G6, NONE, DEEP, NF1),
        /* G7  : SD_WP */
        PAD_CFG_NF(GPP_G7, DN_20K, DEEP, NF1),
 
        /* GPD0: BATLOW# ==> PCH_BATLOW_L */
        PAD_CFG_NF(GPD0, NONE, DEEP, NF1),
        /* GPD1: ACPRESENT ==> EC_PCH_ACPRESENT */
        PAD_CFG_NF(GPD1, NONE, DEEP, NF1),
        /* GPD2: LAN_WAKE# ==> EC_PCH_WAKE_R_L */
        PAD_CFG_NF(GPD2, NONE, DEEP, NF1),
        /* GPD3: PWRBTN# ==> PCH_PWR_BTN_L */
        PAD_CFG_NF(GPD3, UP_20K, DEEP, NF1),
        /* GPD4: SLP_S3# ==> SLP_S3_L */
        PAD_CFG_NF(GPD4, NONE, DEEP, NF1),
        /* GPD5: SLP_S4# ==> SLP_S4_L */
        PAD_CFG_NF(GPD5, NONE, DEEP, NF1),
        /* GPD6: SLP_A# ==> NC(TP26) */
        PAD_NC(GPD6, NONE),
        /* GPD7: RSVD ==> NC */
        PAD_NC(GPD7, NONE),
        /* GPD8: SUSCLK ==> PCH_SUSCLK */
        PAD_CFG_NF(GPD8, NONE, DEEP, NF1),
        /* GPD9: SLP_WLAN# ==> NC(TP25) */
        PAD_NC(GPD9, NONE),
        /* GPD10: SLP_S5# ==> NC(TP15) */
        PAD_NC(GPD10, NONE),
        /* GPD11: LANPHYC ==> NC */
        PAD_NC(GPD11, NONE),
};
 
/* Early pad configuration in bootblock */
static const struct pad_config early_gpio_table[] = {
        /* B8  : SRCCLKREQ3# ==> WLAN_PE_RST */
        PAD_CFG_GPO(GPP_B8, 0, RSMRST),
 
        /* C6  : SM1CLK ==> EC_IN_RW_OD */
        PAD_CFG_GPI_GPIO_DRIVER(GPP_C6, UP_20K, DEEP),
 
        /* C18 : I2C1_SDA ==> PCH_I2C1_H1_3V3_SDA */
        PAD_CFG_NF(GPP_C18, NONE, DEEP, NF1),
        /* C19 : I2C1_SCL ==> PCH_I2C1_H1_3V3_SCL */
        PAD_CFG_NF(GPP_C19, NONE, DEEP, NF1),
 
        /* Ensure UART pins are in native mode for H1. */
        /* C20 : UART2_RXD ==> PCHRX_SERVOTX_UART */
        PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1),
        /* C21 : UART2_TXD ==> PCHTX_SERVORX_UART */
        PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1),
 
        /* C23 : UART2_CTS# ==> PCH_WP */
        PAD_CFG_GPI_GPIO_DRIVER(GPP_C23, UP_20K, DEEP),
 
        /* E0  : SATAXPCI0 ==> H1_PCH_INT_ODL */
        PAD_CFG_GPI_APIC_LOW(GPP_E0, NONE, PLTRST),
};
 
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;
}