src/mainboard/google/volteer/romstage.c

/*
 *
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */

#include <baseboard/variants.h>
#include <ec/google/chromeec/ec.h>
#include <fsp/soc_binding.h>
#include <fw_config.h>
#include <gpio.h>
#include <memory_info.h>
#include <soc/gpio.h>
#include <soc/meminit.h>
#include <soc/romstage.h>
#include <variant/gpio.h>


void mainboard_memory_init_params(FSPM_UPD *mupd)
{
	FSP_M_CONFIG *mem_cfg = &mupd->FspmConfig;
	const struct lpddr4x_cfg *board_cfg = variant_memory_params();
	const struct spd_info spd_info = {
		.topology = MEMORY_DOWN,
		.md_spd_loc = SPD_CBFS,
		.cbfs_index = variant_memory_sku(),
	};
	bool half_populated = gpio_get(GPIO_MEM_CH_SEL);

	/* Disable HDA device if no audio board is present. */
	if (fw_config_probe(FW_CONFIG(AUDIO, NONE)))
		mem_cfg->PchHdaEnable = 0;

	meminit_lpddr4x(mem_cfg, board_cfg, &spd_info, half_populated);
}

bool mainboard_get_dram_part_num(const char **part_num, size_t *len)
{
	static char part_num_store[DIMM_INFO_PART_NUMBER_SIZE];

	if (google_chromeec_cbi_get_dram_part_num(part_num_store,
			sizeof(part_num_store)) < 0) {
		printk(BIOS_ERR, "ERROR: Couldn't obtain DRAM part number from CBI\n");
		return false;
	}
	*part_num = part_num_store;
	*len = strlen(part_num_store);
	return true;
}