| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #include <baseboard/gpio.h> |
| #include <baseboard/variants.h> |
| #include <gpio.h> |
| |
| static const struct mb_cfg baseboard_memcfg = { |
| .type = MEM_TYPE_LP5X, |
| |
| /* Leave Rcomp unspecified to use the FSP optimized defaults */ |
| |
| /* DQ byte map */ |
| .lpx_dq_map = { |
| .ddr0 = { |
| .dq0 = { 13, 15, 14, 12, 11, 9, 10, 8 }, |
| .dq1 = { 3, 0, 2, 1, 6, 7, 5, 4 }, |
| }, |
| .ddr1 = { |
| .dq0 = { 2, 0, 1, 3, 6, 4, 7, 5 }, |
| .dq1 = { 13, 15, 12, 14, 10, 11, 8, 9 }, |
| }, |
| .ddr2 = { |
| .dq0 = { 14, 13, 12, 15, 9, 10, 11, 8 }, |
| .dq1 = { 4, 6, 7, 5, 1, 2, 0, 3 }, |
| }, |
| .ddr3 = { |
| .dq0 = { 14, 13, 15, 12, 8, 11, 9, 10 }, |
| .dq1 = { 0, 2, 1, 3, 6, 5, 7, 4 }, |
| }, |
| .ddr4 = { |
| .dq0 = { 8, 11, 10, 9, 14, 15, 13, 12 }, |
| .dq1 = { 3, 0, 2, 1, 5, 7, 4, 6 }, |
| }, |
| .ddr5 = { |
| .dq0 = { 2, 1, 3, 0, 6, 4, 7, 5 }, |
| .dq1 = { 12, 13, 15, 14, 10, 9, 8, 11 }, |
| }, |
| .ddr6 = { |
| .dq0 = { 1, 0, 3, 2, 5, 7, 6, 4 }, |
| .dq1 = { 15, 13, 12, 14, 8, 11, 10, 9 }, |
| }, |
| .ddr7 = { |
| .dq0 = { 3, 2, 1, 0, 7, 4, 5, 6 }, |
| .dq1 = { 14, 15, 9, 11, 12, 8, 10, 13 }, |
| }, |
| }, |
| |
| /* DQS CPU<>DRAM map */ |
| .lpx_dqs_map = { |
| .ddr0 = { .dqs0 = 1, .dqs1 = 0 }, |
| .ddr1 = { .dqs0 = 0, .dqs1 = 1 }, |
| .ddr2 = { .dqs0 = 1, .dqs1 = 0 }, |
| .ddr3 = { .dqs0 = 1, .dqs1 = 0 }, |
| .ddr4 = { .dqs0 = 1, .dqs1 = 0 }, |
| .ddr5 = { .dqs0 = 0, .dqs1 = 1 }, |
| .ddr6 = { .dqs0 = 0, .dqs1 = 1 }, |
| .ddr7 = { .dqs0 = 0, .dqs1 = 1 }, |
| }, |
| |
| .lp5x_config = { |
| .ccc_config = 0xff, |
| }, |
| |
| .LpDdrDqDqsReTraining = 1, |
| |
| .ect = 1, /* Early Command Training */ |
| }; |
| |
| const struct mb_cfg *variant_memory_params(void) |
| { |
| return &baseboard_memcfg; |
| } |
| |
| int variant_memory_sku(void) |
| { |
| /* |
| * Memory configuration board straps |
| * MEM_STRAP_0 GPP_S4 |
| * MEM_STRAP_1 GPP_S5 |
| * MEM_STRAP_2 GPP_S6 |
| * MEM_STRAP_3 GPP_S7 |
| */ |
| gpio_t spd_gpios[] = { |
| GPP_S4, |
| GPP_S5, |
| GPP_S6, |
| GPP_S7, |
| }; |
| |
| return gpio_base2_value(spd_gpios, ARRAY_SIZE(spd_gpios)); |
| } |
| |
| bool variant_is_half_populated(void) |
| { |
| /* MEM_CH_SEL GPP_S0 */ |
| return gpio_get(GPP_S0); |
| } |
| |
| void variant_get_spd_info(struct mem_spd *spd_info) |
| { |
| spd_info->topo = MEM_TOPO_MEMORY_DOWN; |
| spd_info->cbfs_index = variant_memory_sku(); |
| } |