| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <baseboard/variants.h> |
| #include <gpio.h> |
| #include <variant/gpio.h> |
| |
| /* DQ byte map */ |
| static const u8 dq_map[][12] = { |
| { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0, |
| 0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 }, |
| { 0xCC, 0x33, 0x00, 0x33, 0xCC, 0x33, |
| 0xCC, 0x00, 0xFF, 0x00, 0xFF, 0x00 } |
| }; |
| |
| /* DQS CPU<>DRAM map */ |
| static const u8 dqs_map[][8] = { |
| { 2, 3, 1, 0, 4, 7, 6, 5 }, |
| { 5, 6, 0, 3, 4, 7, 2, 1 }, |
| }; |
| |
| /* Rcomp resistor */ |
| static const u16 rcomp_resistor[] = { 200, 81, 162 }; |
| |
| /* Rcomp target */ |
| static const u16 rcomp_target[] = { 100, 40, 40, 23, 40 }; |
| |
| void __weak variant_memory_params(struct memory_params *p) |
| { |
| p->type = MEMORY_LPDDR3; |
| p->dq_map = dq_map; |
| p->dq_map_size = sizeof(dq_map); |
| p->dqs_map = dqs_map; |
| p->dqs_map_size = sizeof(dqs_map); |
| p->rcomp_resistor = rcomp_resistor; |
| p->rcomp_resistor_size = sizeof(rcomp_resistor); |
| p->rcomp_target = rcomp_target; |
| p->rcomp_target_size = sizeof(rcomp_target); |
| } |
| |
| int __weak 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)); |
| } |