src/mainboard/prodrive/atlas/gpio.c

/* SPDX-License-Identifier: GPL-2.0-only */

#include <types.h>

#include "gpio.h"

/* Pad configuration in ramstage */
static const struct pad_config gpio_table[] = {
	/*
	 * Do not program virtual wire CPU CLKREQ pins, since CLKREQ of cpu rootports are not
	 * connected on this mainboard.
	 */

	/* ------- GPIO Group GPP_A ------- */
	PAD_NC(GPP_A7, NONE),
	PAD_NC(GPP_A12, NONE),
	PAD_CFG_NF(GPP_A14, NONE, DEEP, NF1), // USB_2_3_OC_N
	PAD_CFG_NF(GPP_A15, NONE, DEEP, NF1), // USB_4_5_OC_N
	PAD_CFG_NF(GPP_A16, NONE, DEEP, NF1), // USB_6_7_OC_N
	PAD_CFG_NF(GPP_A18, NONE, DEEP, NF1), // DP1_HPD
	PAD_CFG_NF(GPP_A19, NONE, DEEP, NF1), // DP2_HPD
	PAD_CFG_NF(GPP_A20, NONE, DEEP, NF1), // DP3_HPD
	PAD_NC(GPP_A23, NONE),                // ESPI_CS1

	/* ------- GPIO Group GPP_B ------- */
	PAD_CFG_NF(GPP_B0, NONE, DEEP, NF1), // AUX_VID0
	PAD_CFG_NF(GPP_B1, NONE, DEEP, NF1), // AUX_VID1
	PAD_NC(GPP_B5, NONE),
	PAD_NC(GPP_B6, NONE),
	PAD_NC(GPP_B7, NONE),
	PAD_NC(GPP_B8, NONE),
	PAD_CFG_NF(GPP_B14, NONE, DEEP, NF1), // SATA_SPKR_N
	PAD_NC(GPP_B15, NONE),
	PAD_NC(GPP_B16, NONE),
	PAD_NC(GPP_B17, NONE),
	PAD_NC(GPP_B18, NONE),
	PAD_NC(GPP_B23, NONE),               // SML1_ALERT

	/* ------- GPIO Group GPP_C ------- */
	PAD_NC(GPP_C5, NONE),                // SML0_ALERT
	PAD_CFG_NF(GPP_C6, NONE, DEEP, NF1), // SML1_CLK
	PAD_CFG_NF(GPP_C7, NONE, DEEP, NF1), // SML1_DATA

	/* ------- GPIO Group GPP_D ------- */
	PAD_NC(GPP_D0, NONE),
	PAD_NC(GPP_D1, NONE),
	PAD_NC(GPP_D2, NONE),
	PAD_NC(GPP_D3, NONE),
	PAD_NC(GPP_D5, NONE),
	/*
	 * If this pin is configured by coreboot the pci device (i225) connected to this pin
	 * will not show up in lspci tool in anymore. Configuring CLKREQ seems to be an issue
	 * with current FSP-S. see also comment at top of file.
	 */
	//PAD_CFG_NF(GPP_D6, NONE, DEEP, NF1), // PHY0_CLKREQ
	PAD_NC(GPP_D7, NONE),
	PAD_NC(GPP_D8, NONE),
	PAD_NC(GPP_D9, NONE),
	PAD_NC(GPP_D10, NONE),
	PAD_NC(GPP_D11, NONE),
	PAD_NC(GPP_D12, NONE),
	PAD_NC(GPP_D13, NONE),
	PAD_NC(GPP_D14, NONE),
	PAD_NC(GPP_D15, NONE),
	PAD_NC(GPP_D16, NONE),
	PAD_NC(GPP_D19, NONE),

	/* ------- GPIO Group GPP_E ------- */
	PAD_NC(GPP_E0, NONE),
	PAD_NC(GPP_E1, NONE),
	PAD_NC(GPP_E2, NONE),
	PAD_CFG_GPI(GPP_E3, NONE, DEEP),			/* TPM INT (todo: check) */
	PAD_NC(GPP_E4, NONE),
	PAD_NC(GPP_E5, NONE),
	PAD_CFG_GPI(GPP_E6, NONE, DEEP),
	PAD_CFG_GPI_SMI_LOW(GPP_E7, NONE, DEEP, EDGE_SINGLE),	/* EC SMI# */
	PAD_CFG_GPO(GPP_E8, 1, DEEP),				/* PERST_CB_RESET_N */
	PAD_CFG_NF(GPP_E9, NONE, DEEP, NF1),			/* USB_0_1_OC_N */
	PAD_NC(GPP_E10, NONE),
	PAD_NC(GPP_E11, NONE),
	PAD_NC(GPP_E12, NONE),
	PAD_NC(GPP_E13, NONE),
	PAD_CFG_NF(GPP_E14, NONE, DEEP, NF1),			/* DP0_HPD (VGA_RED) */
	PAD_NC(GPP_E15, NONE),
	PAD_NC(GPP_E16, NONE),
	PAD_NC(GPP_E17, NONE),
	PAD_CFG_NF(GPP_E18, NONE, DEEP, NF1),			/* DP3_DDC_CTRLCLK */
	PAD_CFG_NF(GPP_E19, NONE, DEEP, NF1),			/* DP3_DDC_CTRLDATA */
	PAD_CFG_NF(GPP_E20, NONE, DEEP, NF1),			/* DP2_DDC_CTRLCLK */
	PAD_CFG_NF(GPP_E21, NONE, DEEP, NF1),			/* DP2_DDC_CTRLDATA */
	PAD_CFG_NF(GPP_E22, NONE, DEEP, NF1),			/* DP0_DDC_CTRLCLK */
	PAD_CFG_NF(GPP_E23, NONE, DEEP, NF1),			/* DP0_DDC_CTRLDATA */

	/* ------- GPIO Group GPP_F ------- */
	PAD_NC(GPP_F0, NONE),
	PAD_NC(GPP_F1, NONE),
	PAD_CFG_GPI(GPP_F2, NONE, DEEP),
	PAD_NC(GPP_F3, NONE),
	PAD_NC(GPP_F5, NONE),
	PAD_CFG_GPO(GPP_F9, 1, DEEP),				/* EC_SLP_S0_CS_N */
	PAD_NC(GPP_F11, NONE),
	PAD_CFG_GPI(GPP_F12, NONE, DEEP),
	PAD_CFG_GPI(GPP_F13, NONE, DEEP),
	PAD_NC(GPP_F17, NONE),
	PAD_NC(GPP_F18, NONE),
	PAD_NC(GPP_F20, NONE),
	PAD_NC(GPP_F21, NONE),
	PAD_CFG_GPO(GPP_F22, 1, DEEP),				/* PERST_PHY0_N */

	/* ------- GPIO Group GPP_H ------- */
	PAD_NC(GPP_H4, NONE),
	PAD_NC(GPP_H5, NONE),
	PAD_NC(GPP_H6, NONE),
	PAD_NC(GPP_H7, NONE),
	PAD_NC(GPP_H12, NONE),
	PAD_NC(GPP_H13, NONE),
	PAD_CFG_NF(GPP_H15, NONE, DEEP, NF1),			/* DDPB_CTRLCLK */
	PAD_CFG_NF(GPP_H17, NONE, DEEP, NF1),			/* DDPB_CTRLDATA */

	/* ------- GPIO Group GPP_R ------- */
	PAD_CFG_NF(GPP_R0, NONE, DEEP, NF1), // HDA_BCLK
	PAD_CFG_NF(GPP_R1, NONE, DEEP, NF1), // HDA_SYNC
	PAD_CFG_NF(GPP_R2, NONE, DEEP, NF1), // HDA_SDOUT
	PAD_CFG_NF(GPP_R3, NONE, DEEP, NF1), // HDA_SDIN0
	PAD_CFG_NF(GPP_R4, NONE, DEEP, NF1), // HDA_RST
	PAD_CFG_NF(GPP_R5, NONE, DEEP, NF1), // HDA_SDIN1
	PAD_NC(GPP_R6, NONE),
	PAD_NC(GPP_R7, NONE),

	/* ------- GPIO Group GPP_T ------- */
	PAD_NC(GPP_T2, NONE),
	PAD_NC(GPP_T3, NONE),

	/* ------- GPIO Group GPD ------- */
	PAD_NC(GPD8, NONE),					/* SUSCLK */
	PAD_CFG_GPO(GPD11, 1, PLTRST),				/* LAN_DISABLE_N */
};

void configure_gpio_pads(void)
{
	gpio_configure_pads(gpio_table, ARRAY_SIZE(gpio_table));
}