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_COLIBRI_IMX6) || \
  11         defined(CONFIG_TARGET_COLIBRI_IMX8QXP)
  12 #include <asm/arch/sys_proto.h>
  13 #else
  14 #define is_cpu_type(cpu) (0)
  15 #endif
  16 #if defined(CONFIG_CPU_PXA27X)
  17 #include <asm/arch-pxa/pxa.h>
  18 #else
  19 #define cpu_is_pxa27x(cpu) (0)
  20 #endif
  21 #include <cli.h>
  22 #include <console.h>
  23 #include <flash.h>
  24 #include <malloc.h>
  25 #include <mmc.h>
  26 #include <nand.h>
  27 #include <asm/mach-types.h>
  28
  29 DECLARE_GLOBAL_DATA_PTR;
  30
  31 #define TAG_VALID       0xcf01
  32 #define TAG_MAC         0x0000
  33 #define TAG_HW          0x0008
  34 #define TAG_INVALID     0xffff
  35
  36 #define TAG_FLAG_VALID  0x1
  37
  38 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
  39 #define TDX_CFG_BLOCK_MAX_SIZE 512
  40 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
  41 #define TDX_CFG_BLOCK_MAX_SIZE 64
  42 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
  43 #define TDX_CFG_BLOCK_MAX_SIZE 64
  44 #else
  45 #error Toradex config block location not set
  46 #endif
  47
  48 struct toradex_tag {
  49         u32 len:14;
  50         u32 flags:2;
  51         u32 id:16;
  52 };
  53
  54 bool valid_cfgblock;
  55 struct toradex_hw tdx_hw_tag;
  56 struct toradex_eth_addr tdx_eth_addr;
  57 u32 tdx_serial;
  58
  59 const char * const toradex_modules[] = {
  60          [0] = "UNKNOWN MODULE",
  61          [1] = "Colibri PXA270 312MHz",
  62          [2] = "Colibri PXA270 520MHz",
  63          [3] = "Colibri PXA320 806MHz",
  64          [4] = "Colibri PXA300 208MHz",
  65          [5] = "Colibri PXA310 624MHz",
  66          [6] = "Colibri PXA320 806MHz IT",
  67          [7] = "Colibri PXA300 208MHz XT",
  68          [8] = "Colibri PXA270 312MHz",
  69          [9] = "Colibri PXA270 520MHz",
  70         [10] = "Colibri VF50 128MB", /* not currently on sale */
  71         [11] = "Colibri VF61 256MB",
  72         [12] = "Colibri VF61 256MB IT",
  73         [13] = "Colibri VF50 128MB IT",
  74         [14] = "Colibri iMX6 Solo 256MB",
  75         [15] = "Colibri iMX6 DualLite 512MB",
  76         [16] = "Colibri iMX6 Solo 256MB IT",
  77         [17] = "Colibri iMX6 DualLite 512MB IT",
  78         [18] = "UNKNOWN MODULE",
  79         [19] = "UNKNOWN MODULE",
  80         [20] = "Colibri T20 256MB",
  81         [21] = "Colibri T20 512MB",
  82         [22] = "Colibri T20 512MB IT",
  83         [23] = "Colibri T30 1GB",
  84         [24] = "Colibri T20 256MB IT",
  85         [25] = "Apalis T30 2GB",
  86         [26] = "Apalis T30 1GB",
  87         [27] = "Apalis iMX6 Quad 1GB",
  88         [28] = "Apalis iMX6 Quad 2GB IT",
  89         [29] = "Apalis iMX6 Dual 512MB",
  90         [30] = "Colibri T30 1GB IT",
  91         [31] = "Apalis T30 1GB IT",
  92         [32] = "Colibri iMX7 Solo 256MB",
  93         [33] = "Colibri iMX7 Dual 512MB",
  94         [34] = "Apalis TK1 2GB",
  95         [35] = "Apalis iMX6 Dual 1GB IT",
  96         [36] = "Colibri iMX6ULL 256MB",
  97         [37] = "Apalis iMX8 QuadMax 4GB Wi-Fi / BT IT",
  98         [38] = "Colibri iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
  99         [39] = "Colibri iMX7 Dual 1GB (eMMC)",
 100         [40] = "Colibri iMX6ULL 512MB Wi-Fi / BT IT",
 101         [41] = "Colibri iMX7 Dual 512MB EPDC",
 102         [42] = "Apalis TK1 4GB",
 103         [43] = "Colibri T20 512MB IT SETEK",
 104         [44] = "Colibri iMX6ULL 512MB IT",
 105         [45] = "Colibri iMX6ULL 512MB Wi-Fi / Bluetooth",
 106         [46] = "Apalis iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
 107         [47] = "Apalis iMX8 QuadMax 4GB IT",
 108         [48] = "Apalis iMX8 QuadPlus 2GB Wi-Fi / BT",
 109         [49] = "Apalis iMX8 QuadPlus 2GB",
 110         [50] = "Colibri iMX8 QuadXPlus 2GB IT",
 111         [51] = "Colibri iMX8 DualX 1GB Wi-Fi / Bluetooth",
 112         [52] = "Colibri iMX8 DualX 1GB",
 113 };
 114
 115 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
 116 static int tdx_cfg_block_mmc_storage(u8 *config_block, int write)
 117 {
 118         struct mmc *mmc;
 119         int dev = CONFIG_TDX_CFG_BLOCK_DEV;
 120         int offset = CONFIG_TDX_CFG_BLOCK_OFFSET;
 121         uint part = CONFIG_TDX_CFG_BLOCK_PART;
 122         uint blk_start;
 123         int ret = 0;
 124
 125         /* Read production parameter config block from eMMC */
 126         mmc = find_mmc_device(dev);
 127         if (!mmc) {
 128                 puts("No MMC card found\n");
 129                 ret = -ENODEV;
 130                 goto out;
 131         }
 132         if (mmc_init(mmc)) {
 133                 puts("MMC init failed\n");
 134                 return -EINVAL;
 135         }
 136         if (part != mmc_get_blk_desc(mmc)->hwpart) {
 137                 if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) {
 138                         puts("MMC partition switch failed\n");
 139                         ret = -ENODEV;
 140                         goto out;
 141                 }
 142         }
 143         if (offset < 0)
 144                 offset += mmc->capacity;
 145         blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;
 146
 147         if (!write) {
 148                 /* Careful reads a whole block of 512 bytes into config_block */
 149                 if (blk_dread(mmc_get_blk_desc(mmc), blk_start, 1,
 150                               (unsigned char *)config_block) != 1) {
 151                         ret = -EIO;
 152                         goto out;
 153                 }
 154         } else {
 155                 /* Just writing one 512 byte block */
 156                 if (blk_dwrite(mmc_get_blk_desc(mmc), blk_start, 1,
 157                                (unsigned char *)config_block) != 1) {
 158                         ret = -EIO;
 159                         goto out;
 160                 }
 161         }
 162
 163 out:
 164         /* Switch back to regular eMMC user partition */
 165         blk_select_hwpart_devnum(IF_TYPE_MMC, 0, 0);
 166
 167         return ret;
 168 }
 169 #endif
 170
 171 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
 172 static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
 173 {
 174         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 175         struct mtd_info *mtd = get_nand_dev_by_index(0);
 176
 177         if (!mtd)
 178                 return -ENODEV;
 179
 180         /* Read production parameter config block from NAND page */
 181         return nand_read_skip_bad(mtd, CONFIG_TDX_CFG_BLOCK_OFFSET,
 182                                   &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
 183                                   config_block);
 184 }
 185
 186 static int write_tdx_cfg_block_to_nand(unsigned char *config_block)
 187 {
 188         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 189
 190         /* Write production parameter config block to NAND page */
 191         return nand_write_skip_bad(get_nand_dev_by_index(0),
 192                                    CONFIG_TDX_CFG_BLOCK_OFFSET,
 193                                    &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
 194                                    config_block, WITH_WR_VERIFY);
 195 }
 196 #endif
 197
 198 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
 199 static int read_tdx_cfg_block_from_nor(unsigned char *config_block)
 200 {
 201         /* Read production parameter config block from NOR flash */
 202         memcpy(config_block, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET,
 203                TDX_CFG_BLOCK_MAX_SIZE);
 204         return 0;
 205 }
 206
 207 static int write_tdx_cfg_block_to_nor(unsigned char *config_block)
 208 {
 209         /* Write production parameter config block to NOR flash */
 210         return flash_write((void *)config_block, CONFIG_TDX_CFG_BLOCK_OFFSET,
 211                            TDX_CFG_BLOCK_MAX_SIZE);
 212 }
 213 #endif
 214
 215 int read_tdx_cfg_block(void)
 216 {
 217         int ret = 0;
 218         u8 *config_block = NULL;
 219         struct toradex_tag *tag;
 220         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 221         int offset;
 222
 223         /* Allocate RAM area for config block */
 224         config_block = memalign(ARCH_DMA_MINALIGN, size);
 225         if (!config_block) {
 226                 printf("Not enough malloc space available!\n");
 227                 return -ENOMEM;
 228         }
 229
 230         memset(config_block, 0, size);
 231
 232 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 233         ret = tdx_cfg_block_mmc_storage(config_block, 0);
 234 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 235         ret = read_tdx_cfg_block_from_nand(config_block);
 236 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 237         ret = read_tdx_cfg_block_from_nor(config_block);
 238 #else
 239         ret = -EINVAL;
 240 #endif
 241         if (ret)
 242                 goto out;
 243
 244         /* Expect a valid tag first */
 245         tag = (struct toradex_tag *)config_block;
 246         if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
 247                 valid_cfgblock = false;
 248                 ret = -EINVAL;
 249                 goto out;
 250         }
 251         valid_cfgblock = true;
 252         offset = 4;
 253
 254         while (offset < TDX_CFG_BLOCK_MAX_SIZE) {
 255                 tag = (struct toradex_tag *)(config_block + offset);
 256                 offset += 4;
 257                 if (tag->id == TAG_INVALID)
 258                         break;
 259
 260                 if (tag->flags == TAG_FLAG_VALID) {
 261                         switch (tag->id) {
 262                         case TAG_MAC:
 263                                 memcpy(&tdx_eth_addr, config_block + offset,
 264                                        6);
 265
 266                                 /* NIC part of MAC address is serial number */
 267                                 tdx_serial = ntohl(tdx_eth_addr.nic) >> 8;
 268                                 break;
 269                         case TAG_HW:
 270                                 memcpy(&tdx_hw_tag, config_block + offset, 8);
 271                                 break;
 272                         }
 273                 }
 274
 275                 /* Get to next tag according to current tags length */
 276                 offset += tag->len * 4;
 277         }
 278
 279         /* Cap product id to avoid issues with a yet unknown one */
 280         if (tdx_hw_tag.prodid >= (sizeof(toradex_modules) /
 281                                   sizeof(toradex_modules[0])))
 282                 tdx_hw_tag.prodid = 0;
 283
 284 out:
 285         free(config_block);
 286         return ret;
 287 }
 288
 289 static int get_cfgblock_interactive(void)
 290 {
 291         char message[CONFIG_SYS_CBSIZE];
 292         char *soc;
 293         char it = 'n';
 294         int len;
 295
 296         /* Unknown module by default */
 297         tdx_hw_tag.prodid = 0;
 298
 299         if (cpu_is_pxa27x())
 300                 sprintf(message, "Is the module the 312 MHz version? [y/N] ");
 301         else
 302                 sprintf(message, "Is the module an IT version? [y/N] ");
 303
 304         len = cli_readline(message);
 305         it = console_buffer[0];
 306
 307         soc = env_get("soc");
 308         if (!strcmp("mx6", soc)) {
 309 #ifdef CONFIG_TARGET_APALIS_IMX6
 310                 if (it == 'y' || it == 'Y') {
 311                         if (is_cpu_type(MXC_CPU_MX6Q))
 312                                 tdx_hw_tag.prodid = APALIS_IMX6Q_IT;
 313                         else
 314                                 tdx_hw_tag.prodid = APALIS_IMX6D_IT;
 315                 } else {
 316                         if (is_cpu_type(MXC_CPU_MX6Q))
 317                                 tdx_hw_tag.prodid = APALIS_IMX6Q;
 318                         else
 319                                 tdx_hw_tag.prodid = APALIS_IMX6D;
 320                 }
 321 #elif CONFIG_TARGET_COLIBRI_IMX6
 322                 if (it == 'y' || it == 'Y') {
 323                         if (is_cpu_type(MXC_CPU_MX6DL))
 324                                 tdx_hw_tag.prodid = COLIBRI_IMX6DL_IT;
 325                         else if (is_cpu_type(MXC_CPU_MX6SOLO))
 326                                 tdx_hw_tag.prodid = COLIBRI_IMX6S_IT;
 327                 } else {
 328                         if (is_cpu_type(MXC_CPU_MX6DL))
 329                                 tdx_hw_tag.prodid = COLIBRI_IMX6DL;
 330                         else if (is_cpu_type(MXC_CPU_MX6SOLO))
 331                                 tdx_hw_tag.prodid = COLIBRI_IMX6S;
 332                 }
 333 #elif CONFIG_TARGET_COLIBRI_IMX6ULL
 334                 char wb = 'n';
 335
 336                 sprintf(message, "Does the module have Wi-Fi / Bluetooth? " \
 337                                  "[y/N] ");
 338                 len = cli_readline(message);
 339                 wb = console_buffer[0];
 340                 if (it == 'y' || it == 'Y') {
 341                         if (wb == 'y' || wb == 'Y')
 342                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT_IT;
 343                         else
 344                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_IT;
 345                 } else {
 346                         if (wb == 'y' || wb == 'Y')
 347                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT;
 348                         else
 349                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL;
 350                 }
 351 #endif
 352         } else if (!strcmp("imx7d", soc))
 353                 tdx_hw_tag.prodid = COLIBRI_IMX7D;
 354         else if (!strcmp("imx7s", soc))
 355                 tdx_hw_tag.prodid = COLIBRI_IMX7S;
 356         else if (is_cpu_type(MXC_CPU_IMX8QXP))
 357                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_WIFI_BT_IT;
 358         else if (!strcmp("tegra20", soc)) {
 359                 if (it == 'y' || it == 'Y')
 360                         if (gd->ram_size == 0x10000000)
 361                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
 362                         else
 363                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
 364                 else
 365                         if (gd->ram_size == 0x10000000)
 366                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB;
 367                         else
 368                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB;
 369         } else if (cpu_is_pxa27x()) {
 370                 if (it == 'y' || it == 'Y')
 371                         tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
 372                 else
 373                         tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
 374         }
 375 #ifdef CONFIG_MACH_TYPE
 376         else if (!strcmp("tegra30", soc)) {
 377                 if (CONFIG_MACH_TYPE == MACH_TYPE_APALIS_T30) {
 378                         if (it == 'y' || it == 'Y')
 379                                 tdx_hw_tag.prodid = APALIS_T30_IT;
 380                         else
 381                                 if (gd->ram_size == 0x40000000)
 382                                         tdx_hw_tag.prodid = APALIS_T30_1GB;
 383                                 else
 384                                         tdx_hw_tag.prodid = APALIS_T30_2GB;
 385                 } else {
 386                         if (it == 'y' || it == 'Y')
 387                                 tdx_hw_tag.prodid = COLIBRI_T30_IT;
 388                         else
 389                                 tdx_hw_tag.prodid = COLIBRI_T30;
 390                 }
 391         }
 392 #endif /* CONFIG_MACH_TYPE */
 393         else if (!strcmp("tegra124", soc)) {
 394                 tdx_hw_tag.prodid = APALIS_TK1_2GB;
 395         } else if (!strcmp("vf500", soc)) {
 396                 if (it == 'y' || it == 'Y')
 397                         tdx_hw_tag.prodid = COLIBRI_VF50_IT;
 398                 else
 399                         tdx_hw_tag.prodid = COLIBRI_VF50;
 400         } else if (!strcmp("vf610", soc)) {
 401                 if (it == 'y' || it == 'Y')
 402                         tdx_hw_tag.prodid = COLIBRI_VF61_IT;
 403                 else
 404                         tdx_hw_tag.prodid = COLIBRI_VF61;
 405         }
 406
 407         if (!tdx_hw_tag.prodid) {
 408                 printf("Module type not detectable due to unknown SoC\n");
 409                 return -1;
 410         }
 411
 412         while (len < 4) {
 413                 sprintf(message, "Enter the module version (e.g. V1.1B): V");
 414                 len = cli_readline(message);
 415         }
 416
 417         tdx_hw_tag.ver_major = console_buffer[0] - '0';
 418         tdx_hw_tag.ver_minor = console_buffer[2] - '0';
 419         tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
 420
 421         if (cpu_is_pxa27x() && tdx_hw_tag.ver_major == 1)
 422                 tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
 423                                        COLIBRI_PXA270_V1_312MHZ);
 424
 425         while (len < 8) {
 426                 sprintf(message, "Enter module serial number: ");
 427                 len = cli_readline(message);
 428         }
 429
 430         tdx_serial = simple_strtoul(console_buffer, NULL, 10);
 431
 432         return 0;
 433 }
 434
 435 static int get_cfgblock_barcode(char *barcode)
 436 {
 437         if (strlen(barcode) < 16) {
 438                 printf("Argument too short, barcode is 16 chars long\n");
 439                 return -1;
 440         }
 441
 442         /* Get hardware information from the first 8 digits */
 443         tdx_hw_tag.ver_major = barcode[4] - '0';
 444         tdx_hw_tag.ver_minor = barcode[5] - '0';
 445         tdx_hw_tag.ver_assembly = barcode[7] - '0';
 446
 447         barcode[4] = '\0';
 448         tdx_hw_tag.prodid = simple_strtoul(barcode, NULL, 10);
 449
 450         /* Parse second part of the barcode (serial number */
 451         barcode += 8;
 452         tdx_serial = simple_strtoul(barcode, NULL, 10);
 453
 454         return 0;
 455 }
 456
 457 static int do_cfgblock_create(cmd_tbl_t *cmdtp, int flag, int argc,
 458                               char * const argv[])
 459 {
 460         u8 *config_block;
 461         struct toradex_tag *tag;
 462         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 463         int offset = 0;
 464         int ret = CMD_RET_SUCCESS;
 465         int err;
 466         int force_overwrite = 0;
 467
 468         /* Allocate RAM area for config block */
 469         config_block = memalign(ARCH_DMA_MINALIGN, size);
 470         if (!config_block) {
 471                 printf("Not enough malloc space available!\n");
 472                 return CMD_RET_FAILURE;
 473         }
 474
 475         memset(config_block, 0xff, size);
 476
 477         if (argc >= 3) {
 478                 if (argv[2][0] == '-' && argv[2][1] == 'y')
 479                         force_overwrite = 1;
 480         }
 481
 482         read_tdx_cfg_block();
 483         if (valid_cfgblock) {
 484 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 485                 /*
 486                  * On NAND devices, recreation is only allowed if the page is
 487                  * empty (config block invalid...)
 488                  */
 489                 printf("NAND erase block %d need to be erased before creating" \
 490                        " a Toradex config block\n",
 491                        CONFIG_TDX_CFG_BLOCK_OFFSET /
 492                        get_nand_dev_by_index(0)->erasesize);
 493                 goto out;
 494 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 495                 /*
 496                  * On NOR devices, recreation is only allowed if the sector is
 497                  * empty and write protection is off (config block invalid...)
 498                  */
 499                 printf("NOR sector at offset 0x%02x need to be erased and " \
 500                        "unprotected before creating a Toradex config block\n",
 501                        CONFIG_TDX_CFG_BLOCK_OFFSET);
 502                 goto out;
 503 #else
 504                 if (!force_overwrite) {
 505                         char message[CONFIG_SYS_CBSIZE];
 506
 507                         sprintf(message,
 508                                 "A valid Toradex config block is present, still recreate? [y/N] ");
 509
 510                         if (!cli_readline(message))
 511                                 goto out;
 512
 513                         if (console_buffer[0] != 'y' &&
 514                             console_buffer[0] != 'Y')
 515                                 goto out;
 516                 }
 517 #endif
 518         }
 519
 520         /* Parse new Toradex config block data... */
 521         if (argc < 3 || (force_overwrite && argc < 4)) {
 522                 err = get_cfgblock_interactive();
 523         } else {
 524                 if (force_overwrite)
 525                         err = get_cfgblock_barcode(argv[3]);
 526                 else
 527                         err = get_cfgblock_barcode(argv[2]);
 528         }
 529         if (err) {
 530                 ret = CMD_RET_FAILURE;
 531                 goto out;
 532         }
 533
 534         /* Convert serial number to MAC address (the storage format) */
 535         tdx_eth_addr.oui = htonl(0x00142dUL << 8);
 536         tdx_eth_addr.nic = htonl(tdx_serial << 8);
 537
 538         /* Valid Tag */
 539         tag = (struct toradex_tag *)config_block;
 540         tag->id = TAG_VALID;
 541         tag->flags = TAG_FLAG_VALID;
 542         tag->len = 0;
 543         offset += 4;
 544
 545         /* Product Tag */
 546         tag = (struct toradex_tag *)(config_block + offset);
 547         tag->id = TAG_HW;
 548         tag->flags = TAG_FLAG_VALID;
 549         tag->len = 2;
 550         offset += 4;
 551
 552         memcpy(config_block + offset, &tdx_hw_tag, 8);
 553         offset += 8;
 554
 555         /* MAC Tag */
 556         tag = (struct toradex_tag *)(config_block + offset);
 557         tag->id = TAG_MAC;
 558         tag->flags = TAG_FLAG_VALID;
 559         tag->len = 2;
 560         offset += 4;
 561
 562         memcpy(config_block + offset, &tdx_eth_addr, 6);
 563         offset += 6;
 564         memset(config_block + offset, 0, 32 - offset);
 565
 566 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 567         err = tdx_cfg_block_mmc_storage(config_block, 1);
 568 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 569         err = write_tdx_cfg_block_to_nand(config_block);
 570 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 571         err = write_tdx_cfg_block_to_nor(config_block);
 572 #else
 573         err = -EINVAL;
 574 #endif
 575         if (err) {
 576                 printf("Failed to write Toradex config block: %d\n", ret);
 577                 ret = CMD_RET_FAILURE;
 578                 goto out;
 579         }
 580
 581         printf("Toradex config block successfully written\n");
 582
 583 out:
 584         free(config_block);
 585         return ret;
 586 }
 587
 588 static int do_cfgblock(cmd_tbl_t *cmdtp, int flag, int argc,
 589                        char * const argv[])
 590 {
 591         int ret;
 592
 593         if (argc < 2)
 594                 return CMD_RET_USAGE;
 595
 596         if (!strcmp(argv[1], "create")) {
 597                 return do_cfgblock_create(cmdtp, flag, argc, argv);
 598         } else if (!strcmp(argv[1], "reload")) {
 599                 ret = read_tdx_cfg_block();
 600                 if (ret) {
 601                         printf("Failed to reload Toradex config block: %d\n",
 602                                ret);
 603                         return CMD_RET_FAILURE;
 604                 }
 605                 return CMD_RET_SUCCESS;
 606         }
 607
 608         return CMD_RET_USAGE;
 609 }
 610
 611 U_BOOT_CMD(
 612         cfgblock, 4, 0, do_cfgblock,
 613         "Toradex config block handling commands",
 614         "create [-y] [barcode] - (Re-)create Toradex config block\n"
 615         "cfgblock reload - Reload Toradex config block from flash"
 616 );