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 ddr_memory_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_ddr(mem_cfg, board_cfg, &spd_info, half_populated);

	/* Disable TBT if no USB4 hardware */
	if (!(fw_config_probe(FW_CONFIG(DB_USB, USB4_GEN2)) ||
		    fw_config_probe(FW_CONFIG(DB_USB, USB4_GEN3)))) {
		mem_cfg->TcssDma0En = 0;
		mem_cfg->TcssItbtPcie0En = 0;
		mem_cfg->TcssItbtPcie1En = 0;
	}
}