board/toradex/common/tdx-cfg-block.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (c) 2016-2019 Toradex, Inc.
   4  */
   5
   6 #include <common.h>
   7 #include "tdx-cfg-block.h"
   8
   9 #if defined(CONFIG_TARGET_APALIS_IMX6) || \
  10         defined(CONFIG_TARGET_APALIS_IMX8) || \
  11         defined(CONFIG_TARGET_COLIBRI_IMX6) || \
  12         defined(CONFIG_TARGET_COLIBRI_IMX8X)
  13 #include <asm/arch/sys_proto.h>
  14 #else
  15 #define is_cpu_type(cpu) (0)
  16 #endif
  17 #if defined(CONFIG_CPU_PXA27X)
  18 #include <asm/arch-pxa/pxa.h>
  19 #else
  20 #define cpu_is_pxa27x(cpu) (0)
  21 #endif
  22 #include <cli.h>
  23 #include <console.h>
  24 #include <flash.h>
  25 #include <malloc.h>
  26 #include <mmc.h>
  27 #include <nand.h>
  28 #include <asm/mach-types.h>
  29
  30 DECLARE_GLOBAL_DATA_PTR;
  31
  32 #define TAG_VALID       0xcf01
  33 #define TAG_MAC         0x0000
  34 #define TAG_HW          0x0008
  35 #define TAG_INVALID     0xffff
  36
  37 #define TAG_FLAG_VALID  0x1
  38
  39 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
  40 #define TDX_CFG_BLOCK_MAX_SIZE 512
  41 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
  42 #define TDX_CFG_BLOCK_MAX_SIZE 64
  43 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
  44 #define TDX_CFG_BLOCK_MAX_SIZE 64
  45 #else
  46 #error Toradex config block location not set
  47 #endif
  48
  49 struct toradex_tag {
  50         u32 len:14;
  51         u32 flags:2;
  52         u32 id:16;
  53 };
  54
  55 bool valid_cfgblock;
  56 struct toradex_hw tdx_hw_tag;
  57 struct toradex_eth_addr tdx_eth_addr;
  58 u32 tdx_serial;
  59
  60 const char * const toradex_modules[] = {
  61          [0] = "UNKNOWN MODULE",
  62          [1] = "Colibri PXA270 312MHz",
  63          [2] = "Colibri PXA270 520MHz",
  64          [3] = "Colibri PXA320 806MHz",
  65          [4] = "Colibri PXA300 208MHz",
  66          [5] = "Colibri PXA310 624MHz",
  67          [6] = "Colibri PXA320 806MHz IT",
  68          [7] = "Colibri PXA300 208MHz XT",
  69          [8] = "Colibri PXA270 312MHz",
  70          [9] = "Colibri PXA270 520MHz",
  71         [10] = "Colibri VF50 128MB", /* not currently on sale */
  72         [11] = "Colibri VF61 256MB",
  73         [12] = "Colibri VF61 256MB IT",
  74         [13] = "Colibri VF50 128MB IT",
  75         [14] = "Colibri iMX6 Solo 256MB",
  76         [15] = "Colibri iMX6 DualLite 512MB",
  77         [16] = "Colibri iMX6 Solo 256MB IT",
  78         [17] = "Colibri iMX6 DualLite 512MB IT",
  79         [18] = "UNKNOWN MODULE",
  80         [19] = "UNKNOWN MODULE",
  81         [20] = "Colibri T20 256MB",
  82         [21] = "Colibri T20 512MB",
  83         [22] = "Colibri T20 512MB IT",
  84         [23] = "Colibri T30 1GB",
  85         [24] = "Colibri T20 256MB IT",
  86         [25] = "Apalis T30 2GB",
  87         [26] = "Apalis T30 1GB",
  88         [27] = "Apalis iMX6 Quad 1GB",
  89         [28] = "Apalis iMX6 Quad 2GB IT",
  90         [29] = "Apalis iMX6 Dual 512MB",
  91         [30] = "Colibri T30 1GB IT",
  92         [31] = "Apalis T30 1GB IT",
  93         [32] = "Colibri iMX7 Solo 256MB",
  94         [33] = "Colibri iMX7 Dual 512MB",
  95         [34] = "Apalis TK1 2GB",
  96         [35] = "Apalis iMX6 Dual 1GB IT",
  97         [36] = "Colibri iMX6ULL 256MB",
  98         [37] = "Apalis iMX8 QuadMax 4GB Wi-Fi / BT IT",
  99         [38] = "Colibri iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
 100         [39] = "Colibri iMX7 Dual 1GB (eMMC)",
 101         [40] = "Colibri iMX6ULL 512MB Wi-Fi / BT IT",
 102         [41] = "Colibri iMX7 Dual 512MB EPDC",
 103         [42] = "Apalis TK1 4GB",
 104         [43] = "Colibri T20 512MB IT SETEK",
 105         [44] = "Colibri iMX6ULL 512MB IT",
 106         [45] = "Colibri iMX6ULL 512MB Wi-Fi / Bluetooth",
 107         [46] = "Apalis iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
 108         [47] = "Apalis iMX8 QuadMax 4GB IT",
 109         [48] = "Apalis iMX8 QuadPlus 2GB Wi-Fi / BT",
 110         [49] = "Apalis iMX8 QuadPlus 2GB",
 111         [50] = "Colibri iMX8 QuadXPlus 2GB IT",
 112         [51] = "Colibri iMX8 DualX 1GB Wi-Fi / Bluetooth",
 113         [52] = "Colibri iMX8 DualX 1GB",
 114 };
 115
 116 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
 117 static int tdx_cfg_block_mmc_storage(u8 *config_block, int write)
 118 {
 119         struct mmc *mmc;
 120         int dev = CONFIG_TDX_CFG_BLOCK_DEV;
 121         int offset = CONFIG_TDX_CFG_BLOCK_OFFSET;
 122         uint part = CONFIG_TDX_CFG_BLOCK_PART;
 123         uint blk_start;
 124         int ret = 0;
 125
 126         /* Read production parameter config block from eMMC */
 127         mmc = find_mmc_device(dev);
 128         if (!mmc) {
 129                 puts("No MMC card found\n");
 130                 ret = -ENODEV;
 131                 goto out;
 132         }
 133         if (mmc_init(mmc)) {
 134                 puts("MMC init failed\n");
 135                 return -EINVAL;
 136         }
 137         if (part != mmc_get_blk_desc(mmc)->hwpart) {
 138                 if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) {
 139                         puts("MMC partition switch failed\n");
 140                         ret = -ENODEV;
 141                         goto out;
 142                 }
 143         }
 144         if (offset < 0)
 145                 offset += mmc->capacity;
 146         blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;
 147
 148         if (!write) {
 149                 /* Careful reads a whole block of 512 bytes into config_block */
 150                 if (blk_dread(mmc_get_blk_desc(mmc), blk_start, 1,
 151                               (unsigned char *)config_block) != 1) {
 152                         ret = -EIO;
 153                         goto out;
 154                 }
 155         } else {
 156                 /* Just writing one 512 byte block */
 157                 if (blk_dwrite(mmc_get_blk_desc(mmc), blk_start, 1,
 158                                (unsigned char *)config_block) != 1) {
 159                         ret = -EIO;
 160                         goto out;
 161                 }
 162         }
 163
 164 out:
 165         /* Switch back to regular eMMC user partition */
 166         blk_select_hwpart_devnum(IF_TYPE_MMC, 0, 0);
 167
 168         return ret;
 169 }
 170 #endif
 171
 172 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
 173 static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
 174 {
 175         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 176         struct mtd_info *mtd = get_nand_dev_by_index(0);
 177
 178         if (!mtd)
 179                 return -ENODEV;
 180
 181         /* Read production parameter config block from NAND page */
 182         return nand_read_skip_bad(mtd, CONFIG_TDX_CFG_BLOCK_OFFSET,
 183                                   &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
 184                                   config_block);
 185 }
 186
 187 static int write_tdx_cfg_block_to_nand(unsigned char *config_block)
 188 {
 189         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 190
 191         /* Write production parameter config block to NAND page */
 192         return nand_write_skip_bad(get_nand_dev_by_index(0),
 193                                    CONFIG_TDX_CFG_BLOCK_OFFSET,
 194                                    &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
 195                                    config_block, WITH_WR_VERIFY);
 196 }
 197 #endif
 198
 199 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
 200 static int read_tdx_cfg_block_from_nor(unsigned char *config_block)
 201 {
 202         /* Read production parameter config block from NOR flash */
 203         memcpy(config_block, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET,
 204                TDX_CFG_BLOCK_MAX_SIZE);
 205         return 0;
 206 }
 207
 208 static int write_tdx_cfg_block_to_nor(unsigned char *config_block)
 209 {
 210         /* Write production parameter config block to NOR flash */
 211         return flash_write((void *)config_block, CONFIG_TDX_CFG_BLOCK_OFFSET,
 212                            TDX_CFG_BLOCK_MAX_SIZE);
 213 }
 214 #endif
 215
 216 int read_tdx_cfg_block(void)
 217 {
 218         int ret = 0;
 219         u8 *config_block = NULL;
 220         struct toradex_tag *tag;
 221         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 222         int offset;
 223
 224         /* Allocate RAM area for config block */
 225         config_block = memalign(ARCH_DMA_MINALIGN, size);
 226         if (!config_block) {
 227                 printf("Not enough malloc space available!\n");
 228                 return -ENOMEM;
 229         }
 230
 231         memset(config_block, 0, size);
 232
 233 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 234         ret = tdx_cfg_block_mmc_storage(config_block, 0);
 235 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 236         ret = read_tdx_cfg_block_from_nand(config_block);
 237 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 238         ret = read_tdx_cfg_block_from_nor(config_block);
 239 #else
 240         ret = -EINVAL;
 241 #endif
 242         if (ret)
 243                 goto out;
 244
 245         /* Expect a valid tag first */
 246         tag = (struct toradex_tag *)config_block;
 247         if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
 248                 valid_cfgblock = false;
 249                 ret = -EINVAL;
 250                 goto out;
 251         }
 252         valid_cfgblock = true;
 253         offset = 4;
 254
 255         while (offset < TDX_CFG_BLOCK_MAX_SIZE) {
 256                 tag = (struct toradex_tag *)(config_block + offset);
 257                 offset += 4;
 258                 if (tag->id == TAG_INVALID)
 259                         break;
 260
 261                 if (tag->flags == TAG_FLAG_VALID) {
 262                         switch (tag->id) {
 263                         case TAG_MAC:
 264                                 memcpy(&tdx_eth_addr, config_block + offset,
 265                                        6);
 266
 267                                 /* NIC part of MAC address is serial number */
 268                                 tdx_serial = ntohl(tdx_eth_addr.nic) >> 8;
 269                                 break;
 270                         case TAG_HW:
 271                                 memcpy(&tdx_hw_tag, config_block + offset, 8);
 272                                 break;
 273                         }
 274                 }
 275
 276                 /* Get to next tag according to current tags length */
 277                 offset += tag->len * 4;
 278         }
 279
 280         /* Cap product id to avoid issues with a yet unknown one */
 281         if (tdx_hw_tag.prodid >= (sizeof(toradex_modules) /
 282                                   sizeof(toradex_modules[0])))
 283                 tdx_hw_tag.prodid = 0;
 284
 285 out:
 286         free(config_block);
 287         return ret;
 288 }
 289
 290 static int get_cfgblock_interactive(void)
 291 {
 292         char message[CONFIG_SYS_CBSIZE];
 293         char *soc;
 294         char it = 'n';
 295         char wb = 'n';
 296         int len;
 297
 298         /* Unknown module by default */
 299         tdx_hw_tag.prodid = 0;
 300
 301         if (cpu_is_pxa27x())
 302                 sprintf(message, "Is the module the 312 MHz version? [y/N] ");
 303         else
 304                 sprintf(message, "Is the module an IT version? [y/N] ");
 305         len = cli_readline(message);
 306         it = console_buffer[0];
 307
 308 #if defined(CONFIG_TARGET_APALIS_IMX8) || \
 309                 defined(CONFIG_TARGET_COLIBRI_IMX6ULL) || \
 310                 defined(CONFIG_TARGET_COLIBRI_IMX8X)
 311         sprintf(message, "Does the module have Wi-Fi / Bluetooth? [y/N] ");
 312         len = cli_readline(message);
 313         wb = console_buffer[0];
 314 #endif
 315
 316         soc = env_get("soc");
 317         if (!strcmp("mx6", soc)) {
 318 #ifdef CONFIG_TARGET_APALIS_IMX6
 319                 if (it == 'y' || it == 'Y') {
 320                         if (is_cpu_type(MXC_CPU_MX6Q))
 321                                 tdx_hw_tag.prodid = APALIS_IMX6Q_IT;
 322                         else
 323                                 tdx_hw_tag.prodid = APALIS_IMX6D_IT;
 324                 } else {
 325                         if (is_cpu_type(MXC_CPU_MX6Q))
 326                                 tdx_hw_tag.prodid = APALIS_IMX6Q;
 327                         else
 328                                 tdx_hw_tag.prodid = APALIS_IMX6D;
 329                 }
 330 #elif CONFIG_TARGET_COLIBRI_IMX6
 331                 if (it == 'y' || it == 'Y') {
 332                         if (is_cpu_type(MXC_CPU_MX6DL))
 333                                 tdx_hw_tag.prodid = COLIBRI_IMX6DL_IT;
 334                         else if (is_cpu_type(MXC_CPU_MX6SOLO))
 335                                 tdx_hw_tag.prodid = COLIBRI_IMX6S_IT;
 336                 } else {
 337                         if (is_cpu_type(MXC_CPU_MX6DL))
 338                                 tdx_hw_tag.prodid = COLIBRI_IMX6DL;
 339                         else if (is_cpu_type(MXC_CPU_MX6SOLO))
 340                                 tdx_hw_tag.prodid = COLIBRI_IMX6S;
 341                 }
 342 #elif CONFIG_TARGET_COLIBRI_IMX6ULL
 343                 if (it == 'y' || it == 'Y') {
 344                         if (wb == 'y' || wb == 'Y')
 345                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT_IT;
 346                         else
 347                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_IT;
 348                 } else {
 349                         if (wb == 'y' || wb == 'Y')
 350                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT;
 351                         else
 352                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL;
 353                 }
 354 #endif
 355         } else if (!strcmp("imx7d", soc))
 356                 tdx_hw_tag.prodid = COLIBRI_IMX7D;
 357         else if (!strcmp("imx7s", soc))
 358                 tdx_hw_tag.prodid = COLIBRI_IMX7S;
 359         else if (is_cpu_type(MXC_CPU_IMX8QM)) {
 360                 if (it == 'y' || it == 'Y') {
 361                         if (wb == 'y' || wb == 'Y')
 362                                 tdx_hw_tag.prodid = APALIS_IMX8QM_WIFI_BT_IT;
 363                         else
 364                                 tdx_hw_tag.prodid = APALIS_IMX8QM_IT;
 365                 } else {
 366                         if (wb == 'y' || wb == 'Y')
 367                                 tdx_hw_tag.prodid = APALIS_IMX8QP_WIFI_BT;
 368                         else
 369                                 tdx_hw_tag.prodid = APALIS_IMX8QP;
 370                 }
 371         } else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
 372                 if (it == 'y' || it == 'Y') {
 373                         if (wb == 'y' || wb == 'Y')
 374                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_WIFI_BT_IT;
 375                         else
 376                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_IT;
 377                 } else {
 378                         if (wb == 'y' || wb == 'Y')
 379                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX_WIFI_BT;
 380                         else
 381                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX;
 382                 }
 383         } else if (!strcmp("tegra20", soc)) {
 384                 if (it == 'y' || it == 'Y')
 385                         if (gd->ram_size == 0x10000000)
 386                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
 387                         else
 388                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
 389                 else
 390                         if (gd->ram_size == 0x10000000)
 391                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB;
 392                         else
 393                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB;
 394         } else if (cpu_is_pxa27x()) {
 395                 if (it == 'y' || it == 'Y')
 396                         tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
 397                 else
 398                         tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
 399         }
 400 #ifdef CONFIG_MACH_TYPE
 401         else if (!strcmp("tegra30", soc)) {
 402                 if (CONFIG_MACH_TYPE == MACH_TYPE_APALIS_T30) {
 403                         if (it == 'y' || it == 'Y')
 404                                 tdx_hw_tag.prodid = APALIS_T30_IT;
 405                         else
 406                                 if (gd->ram_size == 0x40000000)
 407                                         tdx_hw_tag.prodid = APALIS_T30_1GB;
 408                                 else
 409                                         tdx_hw_tag.prodid = APALIS_T30_2GB;
 410                 } else {
 411                         if (it == 'y' || it == 'Y')
 412                                 tdx_hw_tag.prodid = COLIBRI_T30_IT;
 413                         else
 414                                 tdx_hw_tag.prodid = COLIBRI_T30;
 415                 }
 416         }
 417 #endif /* CONFIG_MACH_TYPE */
 418         else if (!strcmp("tegra124", soc)) {
 419                 tdx_hw_tag.prodid = APALIS_TK1_2GB;
 420         } else if (!strcmp("vf500", soc)) {
 421                 if (it == 'y' || it == 'Y')
 422                         tdx_hw_tag.prodid = COLIBRI_VF50_IT;
 423                 else
 424                         tdx_hw_tag.prodid = COLIBRI_VF50;
 425         } else if (!strcmp("vf610", soc)) {
 426                 if (it == 'y' || it == 'Y')
 427                         tdx_hw_tag.prodid = COLIBRI_VF61_IT;
 428                 else
 429                         tdx_hw_tag.prodid = COLIBRI_VF61;
 430         }
 431
 432         if (!tdx_hw_tag.prodid) {
 433                 printf("Module type not detectable due to unknown SoC\n");
 434                 return -1;
 435         }
 436
 437         while (len < 4) {
 438                 sprintf(message, "Enter the module version (e.g. V1.1B): V");
 439                 len = cli_readline(message);
 440         }
 441
 442         tdx_hw_tag.ver_major = console_buffer[0] - '0';
 443         tdx_hw_tag.ver_minor = console_buffer[2] - '0';
 444         tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
 445
 446         if (cpu_is_pxa27x() && tdx_hw_tag.ver_major == 1)
 447                 tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
 448                                        COLIBRI_PXA270_V1_312MHZ);
 449
 450         while (len < 8) {
 451                 sprintf(message, "Enter module serial number: ");
 452                 len = cli_readline(message);
 453         }
 454
 455         tdx_serial = simple_strtoul(console_buffer, NULL, 10);
 456
 457         return 0;
 458 }
 459
 460 static int get_cfgblock_barcode(char *barcode)
 461 {
 462         if (strlen(barcode) < 16) {
 463                 printf("Argument too short, barcode is 16 chars long\n");
 464                 return -1;
 465         }
 466
 467         /* Get hardware information from the first 8 digits */
 468         tdx_hw_tag.ver_major = barcode[4] - '0';
 469         tdx_hw_tag.ver_minor = barcode[5] - '0';
 470         tdx_hw_tag.ver_assembly = barcode[7] - '0';
 471
 472         barcode[4] = '\0';
 473         tdx_hw_tag.prodid = simple_strtoul(barcode, NULL, 10);
 474
 475         /* Parse second part of the barcode (serial number */
 476         barcode += 8;
 477         tdx_serial = simple_strtoul(barcode, NULL, 10);
 478
 479         return 0;
 480 }
 481
 482 static int do_cfgblock_create(cmd_tbl_t *cmdtp, int flag, int argc,
 483                               char * const argv[])
 484 {
 485         u8 *config_block;
 486         struct toradex_tag *tag;
 487         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 488         int offset = 0;
 489         int ret = CMD_RET_SUCCESS;
 490         int err;
 491         int force_overwrite = 0;
 492
 493         /* Allocate RAM area for config block */
 494         config_block = memalign(ARCH_DMA_MINALIGN, size);
 495         if (!config_block) {
 496                 printf("Not enough malloc space available!\n");
 497                 return CMD_RET_FAILURE;
 498         }
 499
 500         memset(config_block, 0xff, size);
 501
 502         if (argc >= 3) {
 503                 if (argv[2][0] == '-' && argv[2][1] == 'y')
 504                         force_overwrite = 1;
 505         }
 506
 507         read_tdx_cfg_block();
 508         if (valid_cfgblock) {
 509 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 510                 /*
 511                  * On NAND devices, recreation is only allowed if the page is
 512                  * empty (config block invalid...)
 513                  */
 514                 printf("NAND erase block %d need to be erased before creating a Toradex config block\n",
 515                        CONFIG_TDX_CFG_BLOCK_OFFSET /
 516                        get_nand_dev_by_index(0)->erasesize);
 517                 goto out;
 518 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 519                 /*
 520                  * On NOR devices, recreation is only allowed if the sector is
 521                  * empty and write protection is off (config block invalid...)
 522                  */
 523                 printf("NOR sector at offset 0x%02x need to be erased and unprotected before creating a Toradex config block\n",
 524                        CONFIG_TDX_CFG_BLOCK_OFFSET);
 525                 goto out;
 526 #else
 527                 if (!force_overwrite) {
 528                         char message[CONFIG_SYS_CBSIZE];
 529
 530                         sprintf(message,
 531                                 "A valid Toradex config block is present, still recreate? [y/N] ");
 532
 533                         if (!cli_readline(message))
 534                                 goto out;
 535
 536                         if (console_buffer[0] != 'y' &&
 537                             console_buffer[0] != 'Y')
 538                                 goto out;
 539                 }
 540 #endif
 541         }
 542
 543         /* Parse new Toradex config block data... */
 544         if (argc < 3 || (force_overwrite && argc < 4)) {
 545                 err = get_cfgblock_interactive();
 546         } else {
 547                 if (force_overwrite)
 548                         err = get_cfgblock_barcode(argv[3]);
 549                 else
 550                         err = get_cfgblock_barcode(argv[2]);
 551         }
 552         if (err) {
 553                 ret = CMD_RET_FAILURE;
 554                 goto out;
 555         }
 556
 557         /* Convert serial number to MAC address (the storage format) */
 558         tdx_eth_addr.oui = htonl(0x00142dUL << 8);
 559         tdx_eth_addr.nic = htonl(tdx_serial << 8);
 560
 561         /* Valid Tag */
 562         tag = (struct toradex_tag *)config_block;
 563         tag->id = TAG_VALID;
 564         tag->flags = TAG_FLAG_VALID;
 565         tag->len = 0;
 566         offset += 4;
 567
 568         /* Product Tag */
 569         tag = (struct toradex_tag *)(config_block + offset);
 570         tag->id = TAG_HW;
 571         tag->flags = TAG_FLAG_VALID;
 572         tag->len = 2;
 573         offset += 4;
 574
 575         memcpy(config_block + offset, &tdx_hw_tag, 8);
 576         offset += 8;
 577
 578         /* MAC Tag */
 579         tag = (struct toradex_tag *)(config_block + offset);
 580         tag->id = TAG_MAC;
 581         tag->flags = TAG_FLAG_VALID;
 582         tag->len = 2;
 583         offset += 4;
 584
 585         memcpy(config_block + offset, &tdx_eth_addr, 6);
 586         offset += 6;
 587         memset(config_block + offset, 0, 32 - offset);
 588
 589 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 590         err = tdx_cfg_block_mmc_storage(config_block, 1);
 591 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 592         err = write_tdx_cfg_block_to_nand(config_block);
 593 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 594         err = write_tdx_cfg_block_to_nor(config_block);
 595 #else
 596         err = -EINVAL;
 597 #endif
 598         if (err) {
 599                 printf("Failed to write Toradex config block: %d\n", ret);
 600                 ret = CMD_RET_FAILURE;
 601                 goto out;
 602         }
 603
 604         printf("Toradex config block successfully written\n");
 605
 606 out:
 607         free(config_block);
 608         return ret;
 609 }
 610
 611 static int do_cfgblock(cmd_tbl_t *cmdtp, int flag, int argc,
 612                        char * const argv[])
 613 {
 614         int ret;
 615
 616         if (argc < 2)
 617                 return CMD_RET_USAGE;
 618
 619         if (!strcmp(argv[1], "create")) {
 620                 return do_cfgblock_create(cmdtp, flag, argc, argv);
 621         } else if (!strcmp(argv[1], "reload")) {
 622                 ret = read_tdx_cfg_block();
 623                 if (ret) {
 624                         printf("Failed to reload Toradex config block: %d\n",
 625                                ret);
 626                         return CMD_RET_FAILURE;
 627                 }
 628                 return CMD_RET_SUCCESS;
 629         }
 630
 631         return CMD_RET_USAGE;
 632 }
 633
 634 U_BOOT_CMD(cfgblock, 4, 0, do_cfgblock,
 635            "Toradex config block handling commands",
 636            "create [-y] [barcode] - (Re-)create Toradex config block\n"
 637            "cfgblock reload - Reload Toradex config block from flash"
 638 );