blob: 223e98a1343928bc5bc84b74bdaaef722886ff49 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <baseboard/variants.h>
#include <baseboard/gpio.h>
#include <gpio.h>
#include <soc/meminit.h>
#include <soc/romstage.h>
static const struct mb_cfg jslrvp_ddr4_memcfg_cfg = {
.dq_map[DDR_CH0] = {
{0xf, 0xf0},
{0xf, 0xf0},
{0xff, 0x0},
{0x0, 0x0},
{0x0, 0x0},
{0x0, 0x0}
},
.dq_map[DDR_CH1] = {
{0xf, 0xf0},
{0xf, 0xf0},
{0xff, 0x0},
{0x0, 0x0},
{0x00, 0x0},
{0x00, 0x0}
},
/*
* The dqs_map arrays map the ddr4 pins to the SoC pins
* for both channels.
*
* the index = pin number on ddr4 part
* the value = pin number on SoC
*/
.dqs_map[DDR_CH0] = {0, 1, 3, 2, 4, 5, 6, 7},
.dqs_map[DDR_CH1] = {1, 0, 4, 5, 2, 3, 6, 7},
/* Baseboard uses 100, 100 and 100 rcomp resistors */
.rcomp_resistor = {100, 100, 100},
/* Baseboard Rcomp target values */
.rcomp_targets = {0, 0, 0, 0, 0},
/* Disable Early Command Training */
.ect = 1,
/* Set Board Type */
.UserBd = BOARD_TYPE_MOBILE,
};
static const struct mb_cfg jslrvp_lpddr4_memcfg_cfg = {
.dq_map[DDR_CH0] = {
{0xf, 0xf0},
{0xf, 0xf0},
{0xff, 0x0},
{0x0, 0x0},
{0x0, 0x0},
{0x0, 0x0}
},
.dq_map[DDR_CH1] = {
{0xf, 0xf0},
{0xf, 0xf0},
{0xff, 0x0},
{0x0, 0x0},
{0x00, 0x0},
{0x00, 0x0}
},
/*
* The dqs_map arrays map the ddr4 pins to the SoC pins
* for both channels.
*
* the index = pin number on ddr4 part
* the value = pin number on SoC
*/
.dqs_map[DDR_CH0] = {0, 3, 2, 1, 7, 5, 4, 6},
.dqs_map[DDR_CH1] = {3, 1, 2, 0, 4, 7, 6, 5},
/* Baseboard uses 100, 100 and 100 rcomp resistors */
.rcomp_resistor = {100, 100, 100},
/*
* Baseboard Rcomp target values.
*/
.rcomp_targets = {80, 40, 40, 40, 30},
/* Disable Early Command Training */
.ect = 1,
/* Set Board Type */
.UserBd = BOARD_TYPE_ULT_ULX,
};
const struct mb_cfg *variant_memcfg_config(uint8_t board_id)
{
if (board_id == jsl_ddr4)
return &jslrvp_ddr4_memcfg_cfg;
else if (board_id == jsl_lpddr4)
return &jslrvp_lpddr4_memcfg_cfg;
die("unsupported board id : 0x%x\n", board_id);
}