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/* SPDX-License-Identifier: GPL-3.0-or-later */
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <gpio.h>
static const struct mb_cfg baseboard_memcfg = {
.type = MEM_TYPE_LP5X,
.rcomp = {
/* Baseboard uses only 100ohm Rcomp resistors */
.resistor = 100,
},
/* DQ byte map */
.lpx_dq_map = {
.ddr0 = {
.dq0 = { 9, 13, 12, 14, 8, 10, 11, 15 },
.dq1 = { 6, 5, 7, 4, 3, 2, 0, 1 },
},
.ddr1 = {
.dq0 = { 2, 0, 1, 3, 4, 5, 6, 7 },
.dq1 = { 14, 8, 12, 15, 11, 10, 9, 13 },
},
.ddr2 = {
.dq0 = { 9, 11, 10, 8, 15, 13, 14, 12 },
.dq1 = { 0, 6, 2, 3, 1, 4, 5, 7 },
},
.ddr3 = {
.dq0 = { 7, 2, 0, 3, 4, 1, 5, 6 },
.dq1 = { 8, 14, 12, 13, 11, 15, 9, 10 },
},
.ddr4 = {
.dq0 = { 14, 9, 12, 15, 11, 10, 8, 13 },
.dq1 = { 5, 7, 4, 6, 2, 1, 0, 3 },
},
.ddr5 = {
.dq0 = { 1, 5, 3, 6, 2, 7, 0, 4 },
.dq1 = { 10, 8, 11, 9, 12, 15, 14, 13 },
},
.ddr6 = {
.dq0 = { 10, 8, 9, 11, 13, 14, 15, 12 },
.dq1 = { 3, 7, 2, 0, 1, 4, 6, 5 },
},
.ddr7 = {
.dq0 = { 1, 2, 3, 0, 5, 7, 4, 6 },
.dq1 = { 14, 8, 12, 13, 15, 11, 10, 9 },
},
},
/* DQS CPU<>DRAM map */
.lpx_dqs_map = {
.ddr0 = { .dqs0 = 1, .dqs1 = 0 },
.ddr1 = { .dqs0 = 0, .dqs1 = 1 },
.ddr2 = { .dqs0 = 1, .dqs1 = 0 },
.ddr3 = { .dqs0 = 0, .dqs1 = 1 },
.ddr4 = { .dqs0 = 1, .dqs1 = 0 },
.ddr5 = { .dqs0 = 0, .dqs1 = 1 },
.ddr6 = { .dqs0 = 1, .dqs1 = 0 },
.ddr7 = { .dqs0 = 0, .dqs1 = 1 },
},
.lp5x_config = {
.ccc_config = 0xaa,
},
.ect = 1, /* Early Command Training */
};
const struct mb_cfg *variant_memory_params(void)
{
return &baseboard_memcfg;
}
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,
};
return gpio_base2_value(spd_gpios, ARRAY_SIZE(spd_gpios));
}
bool variant_is_half_populated(void)
{
return gpio_get(GPIO_MEM_CH_SEL);
}
void variant_get_spd_info(struct mem_spd *spd_info)
{
spd_info->topo = MEM_TOPO_MEMORY_DOWN;
spd_info->cbfs_index = variant_memory_sku();
}
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