src/mainboard/google/poppy/variants/rammus/gpio.c

/* 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(T0804) */
	PAD_NC(GPP_A0, NONE),
	/* A1  : ESPI_IO0 */
	/* A2  : ESPI_IO1 */
	/* A3  : ESPI_IO2 */
	/* A4  : ESPI_IO3 */
	/* A5  : ESPI_CS# */
	/* A6  : SERIRQ ==> NC(T0805) */
	PAD_NC(GPP_A6, NONE),
	/* A7  : PIRQA# ==> NC(T0501) */
	PAD_NC(GPP_A7, NONE),
	/* A8  : CLKRUN# ==> NC(T0806) */
	PAD_NC(GPP_A8, NONE),
	/* A9  : ESPI_CLK */
	/* A10 : CLKOUT_LPC1 ==> NC */
	PAD_NC(GPP_A10, NONE),
	/* A11 : PME# ==> NC(T0913) */
	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 ==> NC */
	PAD_NC(GPP_A20, NONE),
	/* 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 ==> WLAN_PCIE_WAKE_L */
	PAD_CFG_GPI_SCI(GPP_B0, NONE, DEEP, EDGE_SINGLE, INVERT),
	/* B1  : CORE_VID1 ==> NC */
	PAD_NC(GPP_B1, NONE),
	/* B2  : VRALERT# ==> NC */
	PAD_NC(GPP_B2, NONE),
	/* B3  : CPU_GP2 ==> TRACKPAD_INT_L */
	PAD_CFG_GPI_APIC_HIGH(GPP_B3, NONE, PLTRST),
	/* B4  : CPU_GP3 ==> NC */
	PAD_NC(GPP_B4, NONE),
	/* B5  : SRCCLKREQ0# ==> TRACKPAD_INT_L for wakeup event */
	PAD_CFG_GPI_SCI(GPP_B5, NONE, DEEP, EDGE_SINGLE, INVERT),
	/* 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, DEEP),
	/* 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_PCH */
	PAD_CFG_NF(GPP_B13, NONE, DEEP, NF1),
	/* B14 : SPKR ==> NC */
	PAD_NC(GPP_B14, NONE),
	/* B15 : GSPI0_CS# ==> PCH_SPI_H1_3V3_CS_L */
	PAD_CFG_NF(GPP_B15, NONE, DEEP, NF1),
	/* B16 : GSPI0_CLK ==> PCH_SPI_H1_3V3_CLK */
	PAD_CFG_NF(GPP_B16, NONE, DEEP, NF1),
	/* B17 : GSPI0_MISO ==> PCH_SPI_H1_3V3_MISO */
	PAD_CFG_NF(GPP_B17, NONE, DEEP, NF1),
	/* B18 : GSPI0_MOSI ==> PCH_SPI_H1_3V3_MOSI */
	PAD_CFG_NF(GPP_B18, NONE, DEEP, NF1),
	/* B19 : GSPI1_CS# ==> NC(T0807) */
	PAD_NC(GPP_B19, NONE),
	/* B20 : GSPI1_CLK ==> NC(T0808) */
	PAD_NC(GPP_B20, NONE),
	/* B21 : GSPI1_MISO ==> NC(T0809) */
	PAD_NC(GPP_B21, NONE),
	/* B22 : GSPI1_MOSI ==> NC(T0810) */
	PAD_NC(GPP_B22, NONE),
	/* B23 : SM1ALERT# ==> NC */
	PAD_NC(GPP_B23, NONE),

	/* C0  : SMBCLK ==> SMBCLK */
	PAD_CFG_NF(GPP_C0, NONE, DEEP, NF1),
	/* C1  : SMBDATA ==> SMBDATA */
	PAD_CFG_NF(GPP_C1, NONE, DEEP, NF1),
	/* 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 ==> BT_OFF# */
	PAD_CFG_GPO(GPP_C8, 1, DEEP),
	/* C9  : UART0_TXD ==> NC(WLAN_OFF#) */
	PAD_NC(GPP_C9, NONE),
	/* C10 : UART0_RTS# ==> NC(T0817) */
	PAD_NC(GPP_C10, NONE),
	/* C11 : UART0_CTS# ==> EN_PP3300_DX_CAM */
	PAD_CFG_GPO(GPP_C11, 1, 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_TRACKPAD_3V3_SDA */
	PAD_CFG_NF(GPP_C18, NONE, DEEP, NF1),
	/* C19 : I2C1_SCL ==> PCH_I2C1_TRACKPAD_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, 1, 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(T0818) */
	PAD_NC(GPP_D1, NONE),
	/* D2  : SPI1_MISO ==> NC(T0819) */
	PAD_NC(GPP_D2, NONE),
	/* D3  : SPI1_MOSI ==> NC(T0820) */
	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(T0815) */
	PAD_NC(GPP_D8, NONE),
	/* D9  : ISH_SPI_CS# ==> HP_IRQ_GPIO */
	PAD_CFG_GPI_APIC_HIGH(GPP_D9, NONE, PLTRST),
	/* D10 : ISH_SPI_CLK ==> SPKR_RST_L */
	PAD_CFG_GPO(GPP_D10, 1, DEEP),
	/* D11 : ISH_SPI_MISO ==> SPKR_IRQ_L */
	PAD_CFG_GPI_APIC_HIGH(GPP_D11, NONE, PLTRST),
	/* D12 : ISH_SPI_MOSI ==> NC(T0816) */
	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 : ISH_UART0_CTS# ==> DMIC_CLK1_PCH */
	PAD_CFG_NF(GPP_D17, NONE, DEEP, NF1),
	/* D18 : DMIC_DATA1 ==> NC(T0703) */
	PAD_NC(GPP_D18, NONE),
	/* D19 : DMIC_CLK0 ==> DMIC_CLK0_PCH */
	PAD_CFG_NF(GPP_D19, NONE, DEEP, NF1),
	/* D20 : DMIC_DATA0 ==> DMIC_DATA0_PCH */
	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 */
	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 I2C OPERATION ENABLE. */
	PAD_CFG_GPO(GPP_E3, 1, 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# ==> NC(T0504) */
	PAD_NC(GPP_E11, NONE),
	/* E12 : USB2_OC3# ==> USB_A0_OC# */
	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_ODL */
	PAD_CFG_GPI_GPIO_DRIVER(GPP_E15, UP_20K, DEEP),
	/* E16 : DDPE_HPD3 ==> NC(T0602) */
	PAD_NC(GPP_E16, NONE),
	/* E17 : EDP_HPD ==> 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 4 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 ==> I2C_2_SDA */
	PAD_CFG_NF_1V8(GPP_F4, NONE, DEEP, NF1),
	/* F5  : I2C2_SCL ==> I2C_2_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_H1_1V8_SDA */
	PAD_CFG_NF_1V8(GPP_F8, NONE, DEEP, NF1),
	/* F9  : I2C4_SCL ==> PCH_I2C4_H1_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 ==> EMMC_CMD */
	PAD_CFG_NF(GPP_F12, NONE, DEEP, NF1),
	/* F13 : EMMC_DATA0 ==> EMMC_DAT0 */
	PAD_CFG_NF(GPP_F13, NONE, DEEP, NF1),
	/* F14 : EMMC_DATA1 ==> EMMC_DAT1 */
	PAD_CFG_NF(GPP_F14, NONE, DEEP, NF1),
	/* F15 : EMMC_DATA2 ==> EMMC_DAT2 */
	PAD_CFG_NF(GPP_F15, NONE, DEEP, NF1),
	/* F16 : EMMC_DATA3 ==> EMMC_DAT3 */
	PAD_CFG_NF(GPP_F16, NONE, DEEP, NF1),
	/* F17 : EMMC_DATA4 ==> EMMC_DAT4 */
	PAD_CFG_NF(GPP_F17, NONE, DEEP, NF1),
	/* F18 : EMMC_DATA5 ==> EMMC_DAT5 */
	PAD_CFG_NF(GPP_F18, NONE, DEEP, NF1),
	/* F19 : EMMC_DATA6 ==> EMMC_DAT6 */
	PAD_CFG_NF(GPP_F19, NONE, DEEP, NF1),
	/* F20 : EMMC_DATA7 ==> EMMC_DAT7 */
	PAD_CFG_NF(GPP_F20, NONE, DEEP, NF1),
	/* F21 : EMMC_RCLK ==> EMMC_RCLK */
	PAD_CFG_NF(GPP_F21, NONE, DEEP, NF1),
	/* F22 : EMMC_CLK ==> EMMC_CLK */
	PAD_CFG_NF(GPP_F22, NONE, DEEP, NF1),
	/* F23 : RSVD ==> NC */
	PAD_NC(GPP_F23, NONE),

	/* G0  : SD_CMD ==> SD_CMD */
	PAD_CFG_NF(GPP_G0, NONE, DEEP, NF1),
	/* G1  : SD_DATA0 ==> SD_DATA0 */
	PAD_CFG_NF(GPP_G1, NONE, DEEP, NF1),
	/* G2  : SD_DATA1 ==> SD_DATA1 */
	PAD_CFG_NF(GPP_G2, NONE, DEEP, NF1),
	/* G3  : SD_DATA2 ==> SD_DATA2 */
	PAD_CFG_NF(GPP_G3, NONE, DEEP, NF1),
	/* G4  : SD_DATA3 ==> SD_DATA3 */
	PAD_CFG_NF(GPP_G4, NONE, DEEP, NF1),
	/* G5  : SD_CD# ==> SD_CD_ODL */
	PAD_CFG_NF(GPP_G5, NONE, DEEP, NF1),
	/* G6  : SD_CLK ==> SD_CLK */
	PAD_CFG_NF(GPP_G6, NONE, DEEP, NF1),
	/* G7  : SD_WP ==> NC(T0701) */
	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(T0912) */
	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(T0911) */
	PAD_NC(GPD9, NONE),
	/* GPD10: SLP_S5# ==> NC(T0905) */
	PAD_NC(GPD10, NONE),
	/* GPD11: LANPHYC ==> NC */
	PAD_NC(GPD11, NONE),
};

/* Early pad configuration in bootblock */
static const struct pad_config early_gpio_table[] = {
	/* B15 : GSPI0_CS# ==> PCH_SPI_H1_3V3_CS_L */
	PAD_CFG_NF(GPP_B15, NONE, DEEP, NF1),
	/* B16 : GSPI0_CLK ==> PCH_SPI_H1_3V3_CLK */
	PAD_CFG_NF(GPP_B16, NONE, DEEP, NF1),
	/* B17 : GSPI0_MISO ==> PCH_SPI_H1_3V3_MISO */
	PAD_CFG_NF(GPP_B17, NONE, DEEP, NF1),
	/* B18 : GSPI0_MOSI ==> PCH_SPI_H1_3V3_MOSI */
	PAD_CFG_NF(GPP_B18, NONE, DEEP, NF1),

	/* C6  : SM1CLK ==> EC_IN_RW_OD */
	PAD_CFG_GPI_GPIO_DRIVER(GPP_C6, UP_20K, DEEP),

	/* 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;
}