src/mainboard/google/slippy/variants/peppy/romstage.c

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

#include <stdint.h>
#include <string.h>
#include <cbfs.h>
#include <console/console.h>
#include <cpu/intel/haswell/haswell.h>
#include "ec/google/chromeec/ec.h"
#include <northbridge/intel/haswell/haswell.h>
#include <northbridge/intel/haswell/raminit.h>
#include <southbridge/intel/lynxpoint/pch.h>
#include <southbridge/intel/lynxpoint/lp_gpio.h>
#include "../../onboard.h"
#include "../../variant.h"

/* Copy SPD data for on-board memory */
void copy_spd(struct pei_data *peid)
{
	const int gpio_vector[] = {13, 9, 47, -1};
	int spd_index = get_gpios(gpio_vector);
	char *spd_file;
	size_t spd_file_len;
	size_t spd_len = sizeof(peid->spd_data[0]);
	uint32_t board_version = PEPPY_BOARD_VERSION_PROTO;

	printk(BIOS_DEBUG, "SPD index %d\n", spd_index);
	spd_file = cbfs_map("spd.bin", &spd_file_len);
	if (!spd_file)
		die("SPD data not found.");

	if (spd_file_len < ((spd_index + 1) * sizeof(peid->spd_data[0]))) {
		printk(BIOS_ERR, "SPD index override to 0 - old hardware?\n");
		spd_index = 0;
	}

	if (spd_file_len < spd_len)
		die("Missing SPD data.");

	memcpy(peid->spd_data[0], spd_file + (spd_index * spd_len), spd_len);

	google_chromeec_get_board_version(&board_version);
	switch (board_version) {
	case PEPPY_BOARD_VERSION_PROTO:
		/* Index 0 is 2GB config with CH0 only. */
		if (spd_index == 0)
			peid->dimm_channel1_disabled = 3;
		else
			memcpy(peid->spd_data[1],
				spd_file + (spd_index * spd_len), spd_len);
		break;

	case PEPPY_BOARD_VERSION_EVT:
	default:
		/* Index 0-3 are 4GB config with both CH0 and CH1.
		 * Index 4-7 are 2GB config with CH0 only. */
		if (spd_index > 3)
			peid->dimm_channel1_disabled = 3;
		else
			memcpy(peid->spd_data[1],
				spd_file + (spd_index * spd_len), spd_len);
		break;
	}
}

void variant_romstage_entry(struct pei_data *pei_data)
{
	struct usb2_port_setting usb2_ports[MAX_USB2_PORTS] = {
		/* Length, Enable, OCn#, Location */
		{ 0x0150, 1, USB_OC_PIN_SKIP, /* P0: LTE */
		  USB_PORT_MINI_PCIE },
		{ 0x0040, 1, 0,               /* P1: Port A, CN10 */
		  USB_PORT_BACK_PANEL },
		{ 0x0080, 1, USB_OC_PIN_SKIP, /* P2: CCD */
		  USB_PORT_INTERNAL },
		{ 0x0040, 1, USB_OC_PIN_SKIP, /* P3: BT */
		  USB_PORT_MINI_PCIE },
		{ 0x0040, 1, 2,               /* P4: Port B, CN6  */
		  USB_PORT_BACK_PANEL },
		{ 0x0000, 0, USB_OC_PIN_SKIP, /* P5: EMPTY */
		  USB_PORT_SKIP },
		{ 0x0150, 1, USB_OC_PIN_SKIP, /* P6: SD Card */
		  USB_PORT_FLEX },
		{ 0x0000, 0, USB_OC_PIN_SKIP, /* P7: EMPTY */
		  USB_PORT_SKIP },
	};

	struct usb3_port_setting usb3_ports[MAX_USB3_PORTS] = {
		/* Enable, OCn# */
		{ 1, 0               }, /* P1; Port A, CN6 */
		{ 0, USB_OC_PIN_SKIP }, /* P2; */
		{ 0, USB_OC_PIN_SKIP }, /* P3; */
		{ 0, USB_OC_PIN_SKIP }, /* P4; */
	};

	memcpy(pei_data->usb2_ports, usb2_ports, sizeof(usb2_ports));
	memcpy(pei_data->usb3_ports, usb3_ports, sizeof(usb3_ports));
}