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/*
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <gpio.h>
#include <variant/gpio.h>
static const struct lpddr4x_cfg baseboard_memcfg = {
/* DQ byte map */
.dq_map = {
[0] = {
{ 8, 9, 12, 11, 13, 15, 10, 14, }, /* DDR0_DQ0[7:0] */
{ 4, 6, 0, 2, 5, 7, 1, 3, }, /* DDR0_DQ1[7:0] */
},
[1] = {
{ 2, 3, 0, 6, 1, 7, 5, 4, }, /* DDR1_DQ0[7:0] */
{ 15, 14, 13, 8, 12, 11, 9, 10, }, /* DDR1_DQ1[7:0] */
},
[2] = {
{ 1, 0, 3, 2, 5, 4, 7, 6, }, /* DDR2_DQ0[7:0] */
{ 14, 15, 12, 13, 8, 10, 9, 11, }, /* DDR2_DQ1[7:0] */
},
[3] = {
{ 8, 10, 11, 9, 15, 12, 14, 13, }, /* DDR3_DQ0[7:0] */
{ 4, 7, 6, 5, 2, 0, 1, 3, }, /* DDR3_DQ1[7:0] */
},
[4] = {
{ 8, 9, 10, 11, 13, 12, 15, 14, }, /* DDR4_DQ0[7:0] */
{ 7, 6, 4, 5, 0, 2, 1, 3, }, /* DDR4_DQ1[7:0] */
},
[5] = {
{ 1, 3, 0, 2, 6, 4, 5, 7, }, /* DDR5_DQ0[7:0] */
{ 14, 15, 10, 12, 8, 13, 11, 9, }, /* DDR5_DQ1[7:0] */
},
[6] = {
{ 1, 0, 2, 4, 5, 3, 7, 6, }, /* DDR6_DQ0[7:0] */
{ 12, 14, 15, 13, 9, 10, 8, 11, }, /* DDR6_DQ1[7:0] */
},
[7] = {
{ 11, 9, 8, 13, 12, 14, 15, 10, }, /* DDR7_DQ0[7:0] */
{ 4, 7, 5, 1, 2, 6, 3, 0, }, /* DDR7_DQ1[7:0] */
},
},
/* DQS CPU<>DRAM map */
.dqs_map = {
[0] = { 1, 0 }, /* DDR0_DQS[1:0] */
[1] = { 0, 1 }, /* DDR1_DQS[1:0] */
[2] = { 0, 1 }, /* DDR2_DQS[1:0] */
[3] = { 1, 0 }, /* DDR3_DQS[1:0] */
[4] = { 1, 0 }, /* DDR4_DQS[1:0] */
[5] = { 0, 1 }, /* DDR5_DQS[1:0] */
[6] = { 0, 1 }, /* DDR6_DQS[1:0] */
[7] = { 1, 0 }, /* DDR7_DQS[1:0] */
},
.ect = 0, /* Early Command Training */
};
const struct lpddr4x_cfg *variant_memory_params(void)
{
return &baseboard_memcfg;
}
static int variant_memory_sku(void)
{
gpio_t spd_gpios[] = {
GPIO_MEM_CONFIG_0,
GPIO_MEM_CONFIG_1,
GPIO_MEM_CONFIG_2,
GPIO_MEM_CONFIG_3,
GPIO_MEM_CONFIG_4,
};
return gpio_base2_value(spd_gpios, ARRAY_SIZE(spd_gpios));
}
void variant_memory_init(FSP_M_CONFIG *mem_cfg)
{
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(),
};
const bool half_populated = false;
meminit_lpddr4x(mem_cfg, board_cfg, &spd_info, half_populated);
}
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