src/soc/amd/common/pi/amd_late_init.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <acpi/acpi.h>
   4 #include <bootstate.h>
   5 #include <cbmem.h>
   6 #include <console/console.h>
   7 #include <device/device.h>
   8 #include <device/pci_def.h>
   9 #include <dimm_info_util.h>
  10 #include <memory_info.h>
  11 #include <lib.h>
  12 #include <string.h>
  13
  14 #include <amdblocks/agesawrapper.h>
  15 #include <amdblocks/agesawrapper_call.h>
  16
  17 /**
  18  * Populate dimm_info using AGESA TYPE17_DMI_INFO.
  19  */
  20 static void transfer_memory_info(TYPE17_DMI_INFO *dmi17,
  21                                  struct dimm_info *dimm)
  22 {
  23         hexstrtobin(dmi17->SerialNumber, dimm->serial, sizeof(dimm->serial));
  24
  25         dimm->dimm_size =
  26             smbios_memory_size_to_mib(dmi17->MemorySize, dmi17->ExtSize);
  27
  28         dimm->ddr_type = dmi17->MemoryType;
  29
  30         /*
  31          * dimm_info uses ddr_frequency for setting both config speed and max
  32          * speed. Lets use config speed so we don't get the false impression
  33          * that the RAM is running faster than it actually is.
  34          */
  35         dimm->ddr_frequency = dmi17->ConfigSpeed;
  36
  37         dimm->rank_per_dimm = dmi17->Attributes;
  38
  39         dimm->mod_type = smbios_form_factor_to_spd_mod_type(
  40                 (smbios_memory_type)dmi17->MemoryType,
  41                 (smbios_memory_form_factor)dmi17->FormFactor);
  42
  43         dimm->bus_width = smbios_bus_width_to_spd_width(dmi17->MemoryType, dmi17->TotalWidth,
  44                                                 dmi17->DataWidth);
  45
  46         dimm->mod_id = dmi17->ManufacturerIdCode;
  47
  48         dimm->bank_locator = 0;
  49
  50         strncpy((char *)dimm->module_part_number, dmi17->PartNumber,
  51                                 sizeof(dimm->module_part_number) - 1);
  52 }
  53
  54 static void print_dimm_info(const struct dimm_info *dimm)
  55 {
  56         printk(RAM_SPEW,
  57                "CBMEM_ID_MEMINFO:\n"
  58                "  dimm_size: %u\n"
  59                "  ddr_type: 0x%hx\n"
  60                "  ddr_frequency: %hu\n"
  61                "  rank_per_dimm: %hhu\n"
  62                "  channel_num: %hhu\n"
  63                "  dimm_num: %hhu\n"
  64                "  bank_locator: %hhu\n"
  65                "  mod_id: %hu\n"
  66                "  mod_type: 0x%hhx\n"
  67                "  bus_width: %hhu\n"
  68                "  serial: %02hhx%02hhx%02hhx%02hhx\n"
  69                "  module_part_number(%zu): %s\n",
  70                dimm->dimm_size,
  71                dimm->ddr_type,
  72                dimm->ddr_frequency,
  73                dimm->rank_per_dimm,
  74                dimm->channel_num,
  75                dimm->dimm_num,
  76                dimm->bank_locator,
  77                dimm->mod_id,
  78                dimm->mod_type,
  79                dimm->bus_width,
  80                dimm->serial[0],
  81                dimm->serial[1],
  82                dimm->serial[2],
  83                dimm->serial[3],
  84                strlen((char *)dimm->module_part_number),
  85                (char *)dimm->module_part_number
  86         );
  87 }
  88
  89 static void print_dmi_info(const TYPE17_DMI_INFO *dmi17)
  90 {
  91         printk(RAM_SPEW,
  92                "AGESA TYPE 17 DMI INFO:\n"
  93                "  Handle: %hu\n"
  94                "  TotalWidth: %hu\n"
  95                "  DataWidth: %hu\n"
  96                "  MemorySize: %hu\n"
  97                "  DeviceSet: %hhu\n"
  98                "  Speed: %hu\n"
  99                "  ManufacturerIdCode: %llu\n"
 100                "  Attributes: %hhu\n"
 101                "  ExtSize: %u\n"
 102                "  ConfigSpeed: %hu\n"
 103                "  MemoryType: 0x%x\n"
 104                "  FormFactor: 0x%x\n"
 105                "  DeviceLocator: %8s\n"
 106                "  BankLocator: %10s\n"
 107                "  SerialNumber(%zu): %9s\n"
 108                "  PartNumber(%zu): %19s\n",
 109                dmi17->Handle,
 110                dmi17->TotalWidth,
 111                dmi17->DataWidth,
 112                dmi17->MemorySize,
 113                dmi17->DeviceSet,
 114                dmi17->Speed,
 115                dmi17->ManufacturerIdCode,
 116                dmi17->Attributes,
 117                dmi17->ExtSize,
 118                dmi17->ConfigSpeed,
 119                dmi17->MemoryType,
 120                dmi17->FormFactor,
 121                dmi17->DeviceLocator,
 122                dmi17->BankLocator,
 123                strlen((char *)dmi17->SerialNumber),
 124                dmi17->SerialNumber,
 125                strlen((char *)dmi17->PartNumber),
 126                dmi17->PartNumber
 127         );
 128 }
 129
 130 static void prepare_dmi_17(void *unused)
 131 {
 132         DMI_INFO *DmiTable;
 133         TYPE17_DMI_INFO *address;
 134         struct memory_info *mem_info;
 135         struct dimm_info *dimm;
 136         int i, j, dimm_cnt = 0;
 137
 138         mem_info = cbmem_add(CBMEM_ID_MEMINFO, sizeof(struct memory_info));
 139         if (!mem_info) {
 140                 printk(BIOS_NOTICE, "Failed to add memory info to CBMEM.\n");
 141                 return;
 142         }
 143         memset(mem_info, 0, sizeof(struct memory_info));
 144
 145         DmiTable = agesawrapper_getlateinitptr(PICK_DMI);
 146         for (i = 0; i < MAX_CHANNELS_PER_SOCKET; i++) {
 147                 for (j = 0; j < MAX_DIMMS_PER_CHANNEL; j++) {
 148                         address = &DmiTable->T17[0][i][j];
 149                         if (address->Handle > 0) {
 150                                 dimm = &mem_info->dimm[dimm_cnt];
 151                                 dimm->channel_num = i;
 152                                 dimm->dimm_num = j;
 153                                 transfer_memory_info(address, dimm);
 154                                 print_dmi_info(address);
 155                                 print_dimm_info(dimm);
 156                                 dimm_cnt++;
 157                         }
 158                 }
 159         }
 160         mem_info->dimm_cnt = dimm_cnt;
 161 }
 162
 163 BOOT_STATE_INIT_ENTRY(BS_WRITE_TABLES, BS_ON_ENTRY, prepare_dmi_17, NULL);
 164
 165 static void agesawrapper_post_device(void *unused)
 166 {
 167         if (acpi_is_wakeup_s3())
 168                 return;
 169
 170         do_agesawrapper(AMD_INIT_LATE, "amdinitlate");
 171
 172         if (!acpi_s3_resume_allowed())
 173                 return;
 174
 175         do_agesawrapper(AMD_INIT_RTB, "amdinitrtb");
 176 }
 177
 178 BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_EXIT, agesawrapper_post_device,
 179                       NULL);