arch/x86/lib/fsp/cmd_fsp.c

   1 /*
   2  * Copyright (C) 2014-2015, Bin Meng <bmeng.cn@gmail.com>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <command.h>
   9 #include <asm/fsp/fsp_support.h>
  10
  11 DECLARE_GLOBAL_DATA_PTR;
  12
  13 static char *hob_type[] = {
  14         "reserved",
  15         "Hand-off",
  16         "Mem Alloc",
  17         "Res Desc",
  18         "GUID Ext",
  19         "FV",
  20         "CPU",
  21         "Mem Pool",
  22         "reserved",
  23         "FV2",
  24         "Load PEIM",
  25         "Capsule",
  26 };
  27
  28 static int do_hdr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  29 {
  30         struct fsp_header *hdr = find_fsp_header();
  31         u32 img_addr = hdr->img_base;
  32         char *sign = (char *)&hdr->sign;
  33         int i;
  34
  35         printf("FSP    : binary 0x%08x, header 0x%08x\n",
  36                CONFIG_FSP_ADDR, (int)hdr);
  37         printf("Header : sign ");
  38         for (i = 0; i < sizeof(hdr->sign); i++)
  39                 printf("%c", *sign++);
  40         printf(", size %d, rev %d\n", hdr->hdr_len, hdr->hdr_rev);
  41         printf("Image  : rev %d.%d, id ",
  42                (hdr->img_rev >> 8) & 0xff, hdr->img_rev & 0xff);
  43         for (i = 0; i < ARRAY_SIZE(hdr->img_id); i++)
  44                 printf("%c", hdr->img_id[i]);
  45         printf(", addr 0x%08x, size %d\n", img_addr, hdr->img_size);
  46         printf("VPD    : addr 0x%08x, size %d\n",
  47                hdr->cfg_region_off + img_addr, hdr->cfg_region_size);
  48         printf("\nNumber of APIs Supported : %d\n", hdr->api_num);
  49         printf("\tTempRamInit : 0x%08x\n", hdr->fsp_tempram_init + img_addr);
  50         printf("\tFspInit     : 0x%08x\n", hdr->fsp_init + img_addr);
  51         printf("\tFspNotify   : 0x%08x\n", hdr->fsp_notify + img_addr);
  52
  53         return 0;
  54 }
  55
  56 static int do_hob(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  57 {
  58         const struct hob_header *hdr;
  59         uint type;
  60         char *desc;
  61         int i = 0;
  62
  63         hdr = gd->arch.hob_list;
  64
  65         printf("HOB list address: 0x%08x\n\n", (unsigned int)hdr);
  66
  67         printf("#  | Address  | Type      | Len  | ");
  68         printf("%42s\n", "GUID");
  69         printf("---|----------|-----------|------|-");
  70         printf("------------------------------------------\n");
  71         while (!end_of_hob(hdr)) {
  72                 printf("%-2d | %08x | ", i, (unsigned int)hdr);
  73                 type = hdr->type;
  74                 if (type == HOB_TYPE_UNUSED)
  75                         desc = "*Unused*";
  76                 else if (type == HOB_TYPE_EOH)
  77                         desc = "*EOH*";
  78                 else if (type >= 0 && type <= ARRAY_SIZE(hob_type))
  79                         desc = hob_type[type];
  80                 else
  81                         desc = "*Invalid*";
  82                 printf("%-9s | %-4d | ", desc, hdr->len);
  83
  84                 if (type == HOB_TYPE_MEM_ALLOC || type == HOB_TYPE_RES_DESC ||
  85                     type == HOB_TYPE_GUID_EXT) {
  86                         struct efi_guid *guid = (struct efi_guid *)(hdr + 1);
  87                         int j;
  88
  89                         printf("%08x-%04x-%04x", guid->data1,
  90                                guid->data2, guid->data3);
  91                         for (j = 0; j < ARRAY_SIZE(guid->data4); j++)
  92                                 printf("-%02x", guid->data4[j]);
  93                 } else {
  94                         printf("%42s", "Not Available");
  95                 }
  96                 printf("\n");
  97                 hdr = get_next_hob(hdr);
  98                 i++;
  99         }
 100
 101         return 0;
 102 }
 103
 104 static cmd_tbl_t fsp_commands[] = {
 105         U_BOOT_CMD_MKENT(hdr, 0, 1, do_hdr, "", ""),
 106         U_BOOT_CMD_MKENT(hob, 0, 1, do_hob, "", ""),
 107 };
 108
 109 static int do_fsp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 110 {
 111         cmd_tbl_t *fsp_cmd;
 112         int ret;
 113
 114         if (argc < 2)
 115                 return CMD_RET_USAGE;
 116         fsp_cmd = find_cmd_tbl(argv[1], fsp_commands, ARRAY_SIZE(fsp_commands));
 117         argc -= 2;
 118         argv += 2;
 119         if (!fsp_cmd || argc > fsp_cmd->maxargs)
 120                 return CMD_RET_USAGE;
 121
 122         ret = fsp_cmd->cmd(fsp_cmd, flag, argc, argv);
 123
 124         return cmd_process_error(fsp_cmd, ret);
 125 }
 126
 127 U_BOOT_CMD(
 128         fsp,    2,      1,      do_fsp,
 129         "Show Intel Firmware Support Package (FSP) related information",
 130         "hdr - Print FSP header information\n"
 131         "fsp hob - Print FSP Hand-Off Block (HOB) information"
 132 );