Werner Zeh | e5a1fc7 | 2021-07-01 13:40:11 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | #include <baseboard/variants.h> |
Werner Zeh | 59a8355 | 2021-10-07 16:12:06 +0200 | [diff] [blame] | 4 | #include <console/console.h> |
| 5 | #include <device/dram/common.h> |
Elyes Haouas | 8823ba1 | 2022-12-05 08:48:50 +0100 | [diff] [blame] | 6 | #include <device/mmio.h> |
Werner Zeh | 59a8355 | 2021-10-07 16:12:06 +0200 | [diff] [blame] | 7 | #include <hwilib.h> |
Werner Zeh | e5a1fc7 | 2021-07-01 13:40:11 +0200 | [diff] [blame] | 8 | #include <soc/meminit.h> |
| 9 | #include <soc/romstage.h> |
Werner Zeh | 59a8355 | 2021-10-07 16:12:06 +0200 | [diff] [blame] | 10 | #include <string.h> |
| 11 | #include <types.h> |
Werner Zeh | e5a1fc7 | 2021-07-01 13:40:11 +0200 | [diff] [blame] | 12 | |
Mario Scheithauer | 81fb981 | 2023-07-04 15:32:39 +0200 | [diff] [blame^] | 13 | bool __weak half_populated(void) |
| 14 | { |
| 15 | return false; |
| 16 | } |
| 17 | |
Werner Zeh | e5a1fc7 | 2021-07-01 13:40:11 +0200 | [diff] [blame] | 18 | void mainboard_memory_init_params(FSPM_UPD *memupd) |
| 19 | { |
| 20 | static struct spd_info spd_info; |
| 21 | const struct mb_cfg *board_cfg = variant_memcfg_config(); |
Werner Zeh | 06fe5d5 | 2022-03-09 08:47:23 +0100 | [diff] [blame] | 22 | static uint8_t spd_data[CONFIG_DIMM_SPD_SIZE]; |
Werner Zeh | 59a8355 | 2021-10-07 16:12:06 +0200 | [diff] [blame] | 23 | const char *cbfs_hwi_name = "hwinfo.hex"; |
Werner Zeh | e5a1fc7 | 2021-07-01 13:40:11 +0200 | [diff] [blame] | 24 | |
Werner Zeh | 5720048 | 2023-04-27 10:26:01 +0200 | [diff] [blame] | 25 | /* Initialize SPD information for LPDDR4x from HW-Info. */ |
Werner Zeh | 59a8355 | 2021-10-07 16:12:06 +0200 | [diff] [blame] | 26 | memset(spd_data, 0, sizeof(spd_data)); |
| 27 | if ((hwilib_find_blocks(cbfs_hwi_name) == CB_SUCCESS) && |
| 28 | (hwilib_get_field(SPD, spd_data, 0x80) == 0x80) && |
| 29 | (ddr_crc16(spd_data, 126) == read16((void *)&spd_data[126]))) { |
| 30 | spd_info.spd_spec.spd_data_ptr_info.spd_data_ptr = (uintptr_t)spd_data; |
Werner Zeh | 06fe5d5 | 2022-03-09 08:47:23 +0100 | [diff] [blame] | 31 | spd_info.spd_spec.spd_data_ptr_info.spd_data_len = CONFIG_DIMM_SPD_SIZE; |
Werner Zeh | 59a8355 | 2021-10-07 16:12:06 +0200 | [diff] [blame] | 32 | spd_info.read_type = READ_SPD_MEMPTR; |
| 33 | } else { |
Werner Zeh | 833bb44 | 2022-10-27 10:23:29 +0200 | [diff] [blame] | 34 | die("SPD in HW-Info not valid!\n"); |
Werner Zeh | 59a8355 | 2021-10-07 16:12:06 +0200 | [diff] [blame] | 35 | } |
Werner Zeh | e5a1fc7 | 2021-07-01 13:40:11 +0200 | [diff] [blame] | 36 | /* Initialize variant specific configurations */ |
Mario Scheithauer | 81fb981 | 2023-07-04 15:32:39 +0200 | [diff] [blame^] | 37 | memcfg_init(&memupd->FspmConfig, board_cfg, &spd_info, half_populated()); |
Mario Scheithauer | bb03e76 | 2021-11-02 14:39:17 +0100 | [diff] [blame] | 38 | |
| 39 | /* Enable Row-Hammer prevention */ |
| 40 | memupd->FspmConfig.RhPrevention = 1; |
Werner Zeh | e5a1fc7 | 2021-07-01 13:40:11 +0200 | [diff] [blame] | 41 | } |