src/mainboard/google/brya/variants/kinox/memory.c

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

#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <boardid.h>
#include <gpio.h>
#include <soc/romstage.h>

static const struct mb_cfg ddr4_mem_config = {
	.type = MEM_TYPE_DDR4,

	.rcomp = {
		/* Baseboard uses only 100ohm Rcomp resistors */
		.resistor = 100,

		/* Baseboard Rcomp target values */
		.targets = {50, 20, 25, 25, 25},
	},

	.ect = 1, /* Early Command Training */

	.UserBd = BOARD_TYPE_MOBILE,

	.ddr_config = {
		.dq_pins_interleaved = false,
	},
};

const struct mb_cfg *variant_memory_params(void)
{
	return &ddr4_mem_config;
}

void variant_get_spd_info(struct mem_spd *spd_info)
{
	const uint32_t id = board_id();
	spd_info->topo = MEM_TOPO_DIMM_MODULE;

	if (id >= 2) {
		spd_info->smbus[0].addr_dimm[0] = 0x50;
		spd_info->smbus[1].addr_dimm[0] = 0x52;
	} else {
		spd_info->smbus[0].addr_dimm[0] = 0x52;
		spd_info->smbus[1].addr_dimm[0] = 0x50;
	}
}