| /* 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 = false, |
| |
| .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 = false, |
| |
| .ect = true, /* Early Command Training */ |
| |
| .UserBd = BOARD_TYPE_MOBILE, |
| }; |
| |
| const struct mb_cfg *variant_memory_params(void) |
| { |
| int board_id = get_board_id(); |
| |
| switch (board_id) { |
| case ADL_P_LP4_1: |
| case ADL_P_LP4_2: |
| return &lpddr4_mem_config; |
| case ADL_P_DDR4_1: |
| case ADL_P_DDR4_2: |
| return &ddr4_mem_config; |
| case ADL_P_DDR5: |
| return &ddr5_mem_config; |
| default: |
| die("unsupported board id : 0x%x\n", board_id); |
| } |
| } |