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/* SPDX-License-Identifier: GPL-2.0-only */
#include <arch/cpu.h>
#include "board_id.h"
#include <baseboard/variants.h>
#include <soc/romstage.h>
static const struct mb_cfg ddr4_mem_config = {
/* Baseboard uses only 100ohm Rcomp resistors */
.rcomp_resistor = {100, 100, 100},
/* Baseboard Rcomp target values */
.rcomp_targets = {40, 30, 33, 33, 30},
.dq_pins_interleaved = true,
.ect = true, /* Early Command Training */
.UserBd = BOARD_TYPE_MOBILE,
};
static const struct mb_cfg lpddr4_mem_config = {
/* DQ byte map */
.dq_map = {
{ 0, 2, 3, 1, 6, 7, 5, 4, /* Byte 0 */
10, 8, 11, 9, 14, 12, 13, 15 }, /* Byte 1 */
{ 12, 8, 14, 10, 11, 13, 15, 9, /* Byte 2 */
5, 0, 7, 3, 6, 2, 1, 4 }, /* Byte 3 */
{ 3, 0, 2, 1, 6, 5, 4, 7, /* Byte 4 */
12, 13, 14, 15, 10, 9, 8, 11 }, /* Byte 5 */
{ 2, 6, 7, 1, 3, 4, 0, 5, /* Byte 6 */
9, 13, 8, 15, 14, 11, 12, 10 }, /* Byte 7 */
{ 3, 0, 1, 2, 7, 4, 6, 5, /* Byte 0 */
10, 8, 11, 9, 14, 13, 12, 15 }, /* Byte 1 */
{ 10, 12, 14, 8, 9, 13, 15, 11, /* Byte 2 */
3, 7, 6, 2, 0, 4, 5, 1 }, /* Byte 3 */
{ 12, 15, 14, 13, 9, 10, 11, 8, /* Byte 4 */
7, 4, 6, 5, 0, 1, 3, 2 }, /* Byte 5 */
{ 0, 2, 4, 3, 1, 6, 7, 5, /* Byte 6 */
13, 9, 10, 11, 8, 12, 14, 15 }, /* Byte 7 */
},
/* DQS CPU<>DRAM map */
.dqs_map = {
/* Ch 0 1 2 3 */
{ 0, 1 }, { 1, 0 }, { 0, 1 }, { 0, 1 },
{ 0, 1 }, { 1, 0 }, { 1, 0 }, { 0, 1 }
},
.dq_pins_interleaved = false,
.ect = true, /* Early Command Training */
.UserBd = BOARD_TYPE_MOBILE,
};
static const struct mb_cfg ddr5_mem_config = {
/* Baseboard uses only 100ohm Rcomp resistors */
.rcomp_resistor = {100, 100, 100},
/* Baseboard Rcomp target values */
.rcomp_targets = {50, 30, 30, 30, 27},
.dq_pins_interleaved = true,
.ect = true, /* Early Command Training */
.UserBd = BOARD_TYPE_MOBILE,
};
const struct mb_cfg *variant_memory_params(void)
{
int board_id = get_board_id();
if (board_id == ADL_P_LP4_1 || board_id == ADL_P_LP4_2)
return &lpddr4_mem_config;
else if (board_id == ADL_P_DDR4_1 || board_id == ADL_P_DDR4_2)
return &ddr4_mem_config;
else if (board_id == ADL_P_DDR5)
return &ddr5_mem_config;
die("unsupported board id : 0x%x\n", board_id);
}
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