Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2014 Google Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 14 | */ |
| 15 | |
| 16 | #include <arch/cbfs.h> |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 17 | #include <arch/io.h> |
Aaron Durbin | 31be2c9 | 2016-12-03 22:08:20 -0600 | [diff] [blame] | 18 | #include <assert.h> |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 19 | #include <cbfs.h> |
| 20 | #include <cbmem.h> |
| 21 | #include <console/console.h> |
| 22 | #include <device/pci_def.h> |
Duncan Laurie | 6168027 | 2014-05-05 12:42:35 -0500 | [diff] [blame] | 23 | #include <lib.h> |
Matt DeVillier | 9aaf59a | 2018-05-27 21:51:49 -0500 | [diff] [blame^] | 24 | #include <memory_info.h> |
Aaron Durbin | decd062 | 2017-12-15 12:26:40 -0700 | [diff] [blame] | 25 | #include <mrc_cache.h> |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 26 | #include <string.h> |
Martin Roth | e6ff159 | 2017-06-24 21:34:29 -0600 | [diff] [blame] | 27 | #if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC) |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 28 | #include <ec/google/chromeec/ec.h> |
| 29 | #include <ec/google/chromeec/ec_commands.h> |
| 30 | #endif |
| 31 | #include <vendorcode/google/chromeos/chromeos.h> |
Julius Werner | 4ee4bd5 | 2014-10-20 13:46:39 -0700 | [diff] [blame] | 32 | #include <soc/iomap.h> |
| 33 | #include <soc/pei_data.h> |
| 34 | #include <soc/pei_wrapper.h> |
| 35 | #include <soc/pm.h> |
| 36 | #include <soc/reset.h> |
| 37 | #include <soc/romstage.h> |
| 38 | #include <soc/smm.h> |
| 39 | #include <soc/systemagent.h> |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 40 | |
| 41 | /* |
| 42 | * Find PEI executable in coreboot filesystem and execute it. |
| 43 | */ |
| 44 | void raminit(struct pei_data *pei_data) |
| 45 | { |
Aaron Durbin | 31be2c9 | 2016-12-03 22:08:20 -0600 | [diff] [blame] | 46 | struct region_device rdev; |
Lee Leahy | 26b7cd0 | 2017-03-16 18:47:55 -0700 | [diff] [blame] | 47 | struct memory_info *mem_info; |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 48 | pei_wrapper_entry_t entry; |
| 49 | int ret; |
| 50 | |
| 51 | broadwell_fill_pei_data(pei_data); |
| 52 | |
Furquan Shaikh | 0325dc6 | 2016-07-25 13:02:36 -0700 | [diff] [blame] | 53 | if (vboot_recovery_mode_enabled()) { |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 54 | /* Recovery mode does not use MRC cache */ |
| 55 | printk(BIOS_DEBUG, "Recovery mode: not using MRC cache.\n"); |
Aaron Durbin | 31be2c9 | 2016-12-03 22:08:20 -0600 | [diff] [blame] | 56 | } else if (!mrc_cache_get_current(MRC_TRAINING_DATA, 0, &rdev)) { |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 57 | /* MRC cache found */ |
Aaron Durbin | 31be2c9 | 2016-12-03 22:08:20 -0600 | [diff] [blame] | 58 | pei_data->saved_data_size = region_device_sz(&rdev); |
| 59 | pei_data->saved_data = rdev_mmap_full(&rdev); |
| 60 | /* Assume boot device is memory mapped. */ |
| 61 | assert(IS_ENABLED(CONFIG_BOOT_DEVICE_MEMORY_MAPPED)); |
Aaron Durbin | 9e6d143 | 2016-07-13 23:21:41 -0500 | [diff] [blame] | 62 | } else if (pei_data->boot_mode == ACPI_S3) { |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 63 | /* Waking from S3 and no cache. */ |
| 64 | printk(BIOS_DEBUG, "No MRC cache found in S3 resume path.\n"); |
| 65 | post_code(POST_RESUME_FAILURE); |
| 66 | reset_system(); |
| 67 | } else { |
| 68 | printk(BIOS_DEBUG, "No MRC cache found.\n"); |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 69 | } |
| 70 | |
Duncan Laurie | 6168027 | 2014-05-05 12:42:35 -0500 | [diff] [blame] | 71 | /* |
| 72 | * Do not use saved pei data. Can be set by mainboard romstage |
| 73 | * to force a full train of memory on every boot. |
| 74 | */ |
| 75 | if (pei_data->disable_saved_data) { |
| 76 | printk(BIOS_DEBUG, "Disabling PEI saved data by request\n"); |
| 77 | pei_data->saved_data = NULL; |
| 78 | pei_data->saved_data_size = 0; |
| 79 | } |
| 80 | |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 81 | /* Determine if mrc.bin is in the cbfs. */ |
Aaron Durbin | 899d13d | 2015-05-15 23:39:23 -0500 | [diff] [blame] | 82 | entry = cbfs_boot_map_with_leak("mrc.bin", CBFS_TYPE_MRC, NULL); |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 83 | if (entry == NULL) { |
| 84 | printk(BIOS_DEBUG, "Couldn't find mrc.bin\n"); |
| 85 | return; |
| 86 | } |
| 87 | |
| 88 | printk(BIOS_DEBUG, "Starting Memory Reference Code\n"); |
| 89 | |
| 90 | ret = entry(pei_data); |
| 91 | if (ret < 0) |
| 92 | die("pei_data version mismatch\n"); |
| 93 | |
| 94 | /* Print the MRC version after executing the UEFI PEI stage. */ |
| 95 | u32 version = MCHBAR32(MCHBAR_PEI_VERSION); |
| 96 | printk(BIOS_DEBUG, "MRC Version %d.%d.%d Build %d\n", |
Lee Leahy | 26b7cd0 | 2017-03-16 18:47:55 -0700 | [diff] [blame] | 97 | version >> 24, (version >> 16) & 0xff, |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 98 | (version >> 8) & 0xff, version & 0xff); |
| 99 | |
| 100 | report_memory_config(); |
| 101 | |
Duncan Laurie | 6168027 | 2014-05-05 12:42:35 -0500 | [diff] [blame] | 102 | /* Basic memory sanity test */ |
| 103 | quick_ram_check(); |
| 104 | |
Aaron Durbin | 9e6d143 | 2016-07-13 23:21:41 -0500 | [diff] [blame] | 105 | if (pei_data->boot_mode != ACPI_S3) { |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 106 | cbmem_initialize_empty(); |
Aaron Durbin | 42e6856 | 2015-06-09 13:55:51 -0500 | [diff] [blame] | 107 | } else if (cbmem_initialize()) { |
Martin Roth | e6ff159 | 2017-06-24 21:34:29 -0600 | [diff] [blame] | 108 | #if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) |
Aaron Durbin | 42e6856 | 2015-06-09 13:55:51 -0500 | [diff] [blame] | 109 | printk(BIOS_DEBUG, "Failed to recover CBMEM in S3 resume.\n"); |
| 110 | /* Failed S3 resume, reset to come up cleanly */ |
| 111 | reset_system(); |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 112 | #endif |
| 113 | } |
| 114 | |
| 115 | printk(BIOS_DEBUG, "MRC data at %p %d bytes\n", pei_data->data_to_save, |
| 116 | pei_data->data_to_save_size); |
| 117 | |
| 118 | if (pei_data->data_to_save != NULL && pei_data->data_to_save_size > 0) |
Aaron Durbin | 31be2c9 | 2016-12-03 22:08:20 -0600 | [diff] [blame] | 119 | mrc_cache_stash_data(MRC_TRAINING_DATA, 0, |
| 120 | pei_data->data_to_save, |
| 121 | pei_data->data_to_save_size); |
Kane Chen | ebbb0d4 | 2014-07-28 10:54:40 -0700 | [diff] [blame] | 122 | |
| 123 | printk(BIOS_DEBUG, "create cbmem for dimm information\n"); |
| 124 | mem_info = cbmem_add(CBMEM_ID_MEMINFO, sizeof(struct memory_info)); |
Matt DeVillier | 9aaf59a | 2018-05-27 21:51:49 -0500 | [diff] [blame^] | 125 | memset(mem_info, 0, sizeof(*mem_info)); |
| 126 | /* Translate pei_memory_info struct data into memory_info struct */ |
| 127 | mem_info->dimm_cnt = pei_data->meminfo.dimm_cnt; |
| 128 | for (int i = 0; i < MIN(DIMM_INFO_TOTAL, PEI_DIMM_INFO_TOTAL); i++) { |
| 129 | struct dimm_info *dimm = &mem_info->dimm[i]; |
| 130 | const struct pei_dimm_info *pei_dimm = |
| 131 | &pei_data->meminfo.dimm[i]; |
| 132 | dimm->dimm_size = pei_dimm->dimm_size; |
| 133 | dimm->ddr_type = pei_dimm->ddr_type; |
| 134 | dimm->ddr_frequency = pei_dimm->ddr_frequency; |
| 135 | dimm->rank_per_dimm = pei_dimm->rank_per_dimm; |
| 136 | dimm->channel_num = pei_dimm->channel_num; |
| 137 | dimm->dimm_num = pei_dimm->dimm_num; |
| 138 | dimm->bank_locator = pei_dimm->bank_locator; |
| 139 | memcpy(&dimm->serial, &pei_dimm->serial, |
| 140 | MIN(sizeof(dimm->serial), sizeof(pei_dimm->serial))); |
| 141 | memcpy(&dimm->module_part_number, |
| 142 | &pei_dimm->module_part_number, |
| 143 | MIN(sizeof(dimm->module_part_number), |
| 144 | sizeof(pei_dimm->module_part_number))); |
| 145 | dimm->module_part_number[DIMM_INFO_PART_NUMBER_SIZE - 1] = '\0'; |
| 146 | dimm->mod_id = pei_dimm->mod_id; |
| 147 | dimm->mod_type = pei_dimm->mod_type; |
| 148 | dimm->bus_width = pei_dimm->bus_width; |
| 149 | } |
Duncan Laurie | c88c54c | 2014-04-30 16:36:13 -0700 | [diff] [blame] | 150 | } |