diff options
Diffstat (limited to 'src/mainboard/intel/leafhill/variants/baseboard/memory.c')
| -rw-r--r-- | src/mainboard/intel/leafhill/variants/baseboard/memory.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/mainboard/intel/leafhill/variants/baseboard/memory.c b/src/mainboard/intel/leafhill/variants/baseboard/memory.c new file mode 100644 index 0000000000..50e93c7d19 --- /dev/null +++ b/src/mainboard/intel/leafhill/variants/baseboard/memory.c @@ -0,0 +1,155 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2016 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <baseboard/variants.h> +#include <gpio.h> +#include <soc/meminit.h> +#include <variant/gpio.h> + +const struct lpddr4_swizzle_cfg baseboard_lpddr4_swizzle = { + /* CH0_DQA[0:31] SoC pins -> U22 LPDDR4 module pins */ + .phys[LP4_PHYS_CH0A] = { + /* DQA[0:7] pins of LPDDR4 module. */ + .dqs[LP4_DQS0] = { 6, 7, 5, 4, 3, 1, 0, 2 }, + /* DQA[8:15] pins of LPDDR4 module. */ + .dqs[LP4_DQS1] = { 12, 10, 11, 13, 14, 8, 9, 15 }, + /* DQB[0:7] pins of LPDDR4 module with offset of 16. */ + .dqs[LP4_DQS2] = { 16, 22, 23, 20, 18, 17, 19, 21 }, + /* DQB[7:15] pins of LPDDR4 module with offset of 16. */ + .dqs[LP4_DQS3] = { 30, 28, 29, 25, 24, 26, 27, 31 }, + }, + .phys[LP4_PHYS_CH0B] = { + /* DQA[0:7] pins of LPDDR4 module. */ + .dqs[LP4_DQS0] = { 7, 3, 5, 2, 6, 0, 1, 4 }, + /* DQA[8:15] pins of LPDDR4 module. */ + .dqs[LP4_DQS1] = { 9, 14, 12, 13, 10, 11, 8, 15 }, + /* DQB[0:7] pins of LPDDR4 module with offset of 16. */ + .dqs[LP4_DQS2] = { 20, 22, 23, 16, 19, 17, 18, 21 }, + /* DQB[7:15] pins of LPDDR4 module with offset of 16. */ + .dqs[LP4_DQS3] = { 28, 24, 26, 27, 29, 30, 31, 25 }, + }, + .phys[LP4_PHYS_CH1A] = { + /* DQA[0:7] pins of LPDDR4 module. */ + .dqs[LP4_DQS0] = { 2, 1, 6, 7, 5, 4, 3, 0 }, + /* DQA[8:15] pins of LPDDR4 module. */ + .dqs[LP4_DQS1] = { 11, 10, 8, 9, 12, 15, 13, 14 }, + /* DQB[0:7] pins of LPDDR4 module with offset of 16. */ + .dqs[LP4_DQS2] = { 17, 23, 19, 16, 21, 22, 20, 18 }, + /* DQB[7:15] pins of LPDDR4 module with offset of 16. */ + .dqs[LP4_DQS3] = { 31, 29, 26, 25, 28, 27, 24, 30 }, + }, + .phys[LP4_PHYS_CH1B] = { + /* DQA[0:7] pins of LPDDR4 module. */ + .dqs[LP4_DQS0] = { 4, 3, 7, 5, 6, 1, 0, 2 }, + /* DQA[8:15] pins of LPDDR4 module. */ + .dqs[LP4_DQS1] = { 15, 9, 8, 11, 14, 13, 12, 10 }, + /* DQB[0:7] pins of LPDDR4 module with offset of 16. */ + .dqs[LP4_DQS2] = { 20, 23, 22, 21, 18, 19, 16, 17 }, + /* DQB[7:15] pins of LPDDR4 module with offset of 16. */ + .dqs[LP4_DQS3] = { 25, 28, 30, 31, 26, 27, 24, 29 }, + }, +}; + +/* + * The strings in the part_num field aren't necessarily the exact part + * numbers used in all the designs. The reason is that the mosys userland + * tool uses these strings for dumping more information. Different speed bins + * could change in future systems, but the strings still need to match. + */ +static const struct lpddr4_sku skus[] = { + /* + * K4F6E304HB-MG - both logical channels While the parts + * are listed at 16Gb there are 2 ranks per channel so indicate + * the deneisty as 8Gb per rank. + */ + [0] = { + .speed = LP4_SPEED_2400, + .ch0_rank_density = LP4_8Gb_DENSITY, + .ch1_rank_density = LP4_8Gb_DENSITY, + .ch0_dual_rank = 1, + .ch1_dual_rank = 1, + .part_num = "K4F6E304HB-MGCJ", + }, + /* K4F8E304HB-MG - both logical channels */ + [1] = { + .speed = LP4_SPEED_2400, + .ch0_rank_density = LP4_8Gb_DENSITY, + .ch1_rank_density = LP4_8Gb_DENSITY, + .part_num = "K4F8E304HB-MGCJ", + }, + /* + * MT53B512M32D2NP - both logical channels. While the parts + * are listed at 16Gb there are 2 ranks per channel so indicate + * the deneisty as 8Gb per rank. + */ + [2] = { + .speed = LP4_SPEED_2400, + .ch0_rank_density = LP4_8Gb_DENSITY, + .ch1_rank_density = LP4_8Gb_DENSITY, + .ch0_dual_rank = 1, + .ch1_dual_rank = 1, + .part_num = "MT53B512M32D2NP", + }, + /* MT53B256M32D1NP - both logical channels */ + [3] = { + .speed = LP4_SPEED_2400, + .ch0_rank_density = LP4_8Gb_DENSITY, + .ch1_rank_density = LP4_8Gb_DENSITY, + .part_num = "MT53B256M32D1NP", + }, + /* + * H9HCNNNBPUMLHR - both logical channels. While the parts + * are listed at 16Gb there are 2 ranks per channel so indicate the + * density as 8Gb per rank. + */ + [4] = { + .speed = LP4_SPEED_2400, + .ch0_rank_density = LP4_8Gb_DENSITY, + .ch1_rank_density = LP4_8Gb_DENSITY, + .ch0_dual_rank = 1, + .ch1_dual_rank = 1, + .part_num = "H9HCNNNBPUMLHR", + }, + /* H9HCNNN8KUMLHR - both logical channels */ + [5] = { + .speed = LP4_SPEED_2400, + .ch0_rank_density = LP4_8Gb_DENSITY, + .ch1_rank_density = LP4_8Gb_DENSITY, + .part_num = "H9HCNNN8KUMLHR", + }, +}; + +static const struct lpddr4_cfg lp4cfg = { + .skus = skus, + .num_skus = ARRAY_SIZE(skus), + .swizzle_config = &baseboard_lpddr4_swizzle, +}; + +const struct lpddr4_cfg * __attribute__((weak)) variant_lpddr4_config(void) +{ + return &lp4cfg; +} + +size_t __attribute__((weak)) variant_memory_sku(void) +{ + gpio_t pads[] = { + [3] = MEM_CONFIG3, [2] = MEM_CONFIG2, + [1] = MEM_CONFIG1, [0] = MEM_CONFIG0, + }; + + /* Need internal pullups enabled as only pulldown stuffing options + * exist. */ + return gpio_pullup_base2_value(pads, ARRAY_SIZE(pads)); +} |