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

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (c) 2016-2020 Toradex
   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_APALIS_IMX8X) || \
  12         defined(CONFIG_TARGET_COLIBRI_IMX6) || \
  13         defined(CONFIG_TARGET_COLIBRI_IMX8X)
  14 #include <asm/arch/sys_proto.h>
  15 #else
  16 #define is_cpu_type(cpu) (0)
  17 #endif
  18 #if defined(CONFIG_CPU_PXA27X)
  19 #include <asm/arch-pxa/pxa.h>
  20 #else
  21 #define cpu_is_pxa27x(cpu) (0)
  22 #endif
  23 #include <cli.h>
  24 #include <console.h>
  25 #include <env.h>
  26 #include <flash.h>
  27 #include <malloc.h>
  28 #include <mmc.h>
  29 #include <nand.h>
  30 #include <asm/mach-types.h>
  31
  32 DECLARE_GLOBAL_DATA_PTR;
  33
  34 #define TAG_VALID       0xcf01
  35 #define TAG_MAC         0x0000
  36 #define TAG_HW          0x0008
  37 #define TAG_INVALID     0xffff
  38
  39 #define TAG_FLAG_VALID  0x1
  40
  41 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
  42 #define TDX_CFG_BLOCK_MAX_SIZE 512
  43 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
  44 #define TDX_CFG_BLOCK_MAX_SIZE 64
  45 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
  46 #define TDX_CFG_BLOCK_MAX_SIZE 64
  47 #else
  48 #error Toradex config block location not set
  49 #endif
  50
  51 struct toradex_tag {
  52         u32 len:14;
  53         u32 flags:2;
  54         u32 id:16;
  55 };
  56
  57 bool valid_cfgblock;
  58 struct toradex_hw tdx_hw_tag;
  59 struct toradex_eth_addr tdx_eth_addr;
  60 u32 tdx_serial;
  61
  62 const char * const toradex_modules[] = {
  63          [0] = "UNKNOWN MODULE",
  64          [1] = "Colibri PXA270 312MHz",
  65          [2] = "Colibri PXA270 520MHz",
  66          [3] = "Colibri PXA320 806MHz",
  67          [4] = "Colibri PXA300 208MHz",
  68          [5] = "Colibri PXA310 624MHz",
  69          [6] = "Colibri PXA320 806MHz IT",
  70          [7] = "Colibri PXA300 208MHz XT",
  71          [8] = "Colibri PXA270 312MHz",
  72          [9] = "Colibri PXA270 520MHz",
  73         [10] = "Colibri VF50 128MB", /* not currently on sale */
  74         [11] = "Colibri VF61 256MB",
  75         [12] = "Colibri VF61 256MB IT",
  76         [13] = "Colibri VF50 128MB IT",
  77         [14] = "Colibri iMX6 Solo 256MB",
  78         [15] = "Colibri iMX6 DualLite 512MB",
  79         [16] = "Colibri iMX6 Solo 256MB IT",
  80         [17] = "Colibri iMX6 DualLite 512MB IT",
  81         [18] = "UNKNOWN MODULE",
  82         [19] = "UNKNOWN MODULE",
  83         [20] = "Colibri T20 256MB",
  84         [21] = "Colibri T20 512MB",
  85         [22] = "Colibri T20 512MB IT",
  86         [23] = "Colibri T30 1GB",
  87         [24] = "Colibri T20 256MB IT",
  88         [25] = "Apalis T30 2GB",
  89         [26] = "Apalis T30 1GB",
  90         [27] = "Apalis iMX6 Quad 1GB",
  91         [28] = "Apalis iMX6 Quad 2GB IT",
  92         [29] = "Apalis iMX6 Dual 512MB",
  93         [30] = "Colibri T30 1GB IT",
  94         [31] = "Apalis T30 1GB IT",
  95         [32] = "Colibri iMX7 Solo 256MB",
  96         [33] = "Colibri iMX7 Dual 512MB",
  97         [34] = "Apalis TK1 2GB",
  98         [35] = "Apalis iMX6 Dual 1GB IT",
  99         [36] = "Colibri iMX6ULL 256MB",
 100         [37] = "Apalis iMX8 QuadMax 4GB Wi-Fi / BT IT",
 101         [38] = "Colibri iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
 102         [39] = "Colibri iMX7 Dual 1GB (eMMC)",
 103         [40] = "Colibri iMX6ULL 512MB Wi-Fi / BT IT",
 104         [41] = "Colibri iMX7 Dual 512MB EPDC",
 105         [42] = "Apalis TK1 4GB",
 106         [43] = "Colibri T20 512MB IT SETEK",
 107         [44] = "Colibri iMX6ULL 512MB IT",
 108         [45] = "Colibri iMX6ULL 512MB Wi-Fi / Bluetooth",
 109         [46] = "Apalis iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
 110         [47] = "Apalis iMX8 QuadMax 4GB IT",
 111         [48] = "Apalis iMX8 QuadPlus 2GB Wi-Fi / BT",
 112         [49] = "Apalis iMX8 QuadPlus 2GB",
 113         [50] = "Colibri iMX8 QuadXPlus 2GB IT",
 114         [51] = "Colibri iMX8 DualX 1GB Wi-Fi / Bluetooth",
 115         [52] = "Colibri iMX8 DualX 1GB",
 116         [53] = "Apalis iMX8 QuadXPlus 2GB ECC IT",
 117         [54] = "Apalis iMX8 DualXPlus 1GB",
 118 };
 119
 120 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
 121 static int tdx_cfg_block_mmc_storage(u8 *config_block, int write)
 122 {
 123         struct mmc *mmc;
 124         int dev = CONFIG_TDX_CFG_BLOCK_DEV;
 125         int offset = CONFIG_TDX_CFG_BLOCK_OFFSET;
 126         uint part = CONFIG_TDX_CFG_BLOCK_PART;
 127         uint blk_start;
 128         int ret = 0;
 129
 130         /* Read production parameter config block from eMMC */
 131         mmc = find_mmc_device(dev);
 132         if (!mmc) {
 133                 puts("No MMC card found\n");
 134                 ret = -ENODEV;
 135                 goto out;
 136         }
 137         if (mmc_init(mmc)) {
 138                 puts("MMC init failed\n");
 139                 return -EINVAL;
 140         }
 141         if (part != mmc_get_blk_desc(mmc)->hwpart) {
 142                 if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) {
 143                         puts("MMC partition switch failed\n");
 144                         ret = -ENODEV;
 145                         goto out;
 146                 }
 147         }
 148         if (offset < 0)
 149                 offset += mmc->capacity;
 150         blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;
 151
 152         if (!write) {
 153                 /* Careful reads a whole block of 512 bytes into config_block */
 154                 if (blk_dread(mmc_get_blk_desc(mmc), blk_start, 1,
 155                               (unsigned char *)config_block) != 1) {
 156                         ret = -EIO;
 157                         goto out;
 158                 }
 159         } else {
 160                 /* Just writing one 512 byte block */
 161                 if (blk_dwrite(mmc_get_blk_desc(mmc), blk_start, 1,
 162                                (unsigned char *)config_block) != 1) {
 163                         ret = -EIO;
 164                         goto out;
 165                 }
 166         }
 167
 168 out:
 169         /* Switch back to regular eMMC user partition */
 170         blk_select_hwpart_devnum(IF_TYPE_MMC, 0, 0);
 171
 172         return ret;
 173 }
 174 #endif
 175
 176 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
 177 static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
 178 {
 179         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 180         struct mtd_info *mtd = get_nand_dev_by_index(0);
 181
 182         if (!mtd)
 183                 return -ENODEV;
 184
 185         /* Read production parameter config block from NAND page */
 186         return nand_read_skip_bad(mtd, CONFIG_TDX_CFG_BLOCK_OFFSET,
 187                                   &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
 188                                   config_block);
 189 }
 190
 191 static int write_tdx_cfg_block_to_nand(unsigned char *config_block)
 192 {
 193         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 194
 195         /* Write production parameter config block to NAND page */
 196         return nand_write_skip_bad(get_nand_dev_by_index(0),
 197                                    CONFIG_TDX_CFG_BLOCK_OFFSET,
 198                                    &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
 199                                    config_block, WITH_WR_VERIFY);
 200 }
 201 #endif
 202
 203 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
 204 static int read_tdx_cfg_block_from_nor(unsigned char *config_block)
 205 {
 206         /* Read production parameter config block from NOR flash */
 207         memcpy(config_block, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET,
 208                TDX_CFG_BLOCK_MAX_SIZE);
 209         return 0;
 210 }
 211
 212 static int write_tdx_cfg_block_to_nor(unsigned char *config_block)
 213 {
 214         /* Write production parameter config block to NOR flash */
 215         return flash_write((void *)config_block, CONFIG_TDX_CFG_BLOCK_OFFSET,
 216                            TDX_CFG_BLOCK_MAX_SIZE);
 217 }
 218 #endif
 219
 220 int read_tdx_cfg_block(void)
 221 {
 222         int ret = 0;
 223         u8 *config_block = NULL;
 224         struct toradex_tag *tag;
 225         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 226         int offset;
 227
 228         /* Allocate RAM area for config block */
 229         config_block = memalign(ARCH_DMA_MINALIGN, size);
 230         if (!config_block) {
 231                 printf("Not enough malloc space available!\n");
 232                 return -ENOMEM;
 233         }
 234
 235         memset(config_block, 0, size);
 236
 237 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 238         ret = tdx_cfg_block_mmc_storage(config_block, 0);
 239 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 240         ret = read_tdx_cfg_block_from_nand(config_block);
 241 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 242         ret = read_tdx_cfg_block_from_nor(config_block);
 243 #else
 244         ret = -EINVAL;
 245 #endif
 246         if (ret)
 247                 goto out;
 248
 249         /* Expect a valid tag first */
 250         tag = (struct toradex_tag *)config_block;
 251         if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
 252                 valid_cfgblock = false;
 253                 ret = -EINVAL;
 254                 goto out;
 255         }
 256         valid_cfgblock = true;
 257         offset = 4;
 258
 259         while (offset < TDX_CFG_BLOCK_MAX_SIZE) {
 260                 tag = (struct toradex_tag *)(config_block + offset);
 261                 offset += 4;
 262                 if (tag->id == TAG_INVALID)
 263                         break;
 264
 265                 if (tag->flags == TAG_FLAG_VALID) {
 266                         switch (tag->id) {
 267                         case TAG_MAC:
 268                                 memcpy(&tdx_eth_addr, config_block + offset,
 269                                        6);
 270
 271                                 /* NIC part of MAC address is serial number */
 272                                 tdx_serial = ntohl(tdx_eth_addr.nic) >> 8;
 273                                 break;
 274                         case TAG_HW:
 275                                 memcpy(&tdx_hw_tag, config_block + offset, 8);
 276                                 break;
 277                         }
 278                 }
 279
 280                 /* Get to next tag according to current tags length */
 281                 offset += tag->len * 4;
 282         }
 283
 284         /* Cap product id to avoid issues with a yet unknown one */
 285         if (tdx_hw_tag.prodid >= (sizeof(toradex_modules) /
 286                                   sizeof(toradex_modules[0])))
 287                 tdx_hw_tag.prodid = 0;
 288
 289 out:
 290         free(config_block);
 291         return ret;
 292 }
 293
 294 static int get_cfgblock_interactive(void)
 295 {
 296         char message[CONFIG_SYS_CBSIZE];
 297         char *soc;
 298         char it = 'n';
 299         char wb = 'n';
 300         int len;
 301
 302         /* Unknown module by default */
 303         tdx_hw_tag.prodid = 0;
 304
 305         if (cpu_is_pxa27x())
 306                 sprintf(message, "Is the module the 312 MHz version? [y/N] ");
 307         else
 308                 sprintf(message, "Is the module an IT version? [y/N] ");
 309         len = cli_readline(message);
 310         it = console_buffer[0];
 311
 312 #if defined(CONFIG_TARGET_APALIS_IMX8) || \
 313                 defined(CONFIG_TARGET_APALIS_IMX8X) || \
 314                 defined(CONFIG_TARGET_COLIBRI_IMX6ULL) || \
 315                 defined(CONFIG_TARGET_COLIBRI_IMX8X)
 316         sprintf(message, "Does the module have Wi-Fi / Bluetooth? [y/N] ");
 317         len = cli_readline(message);
 318         wb = console_buffer[0];
 319 #endif
 320
 321         soc = env_get("soc");
 322         if (!strcmp("mx6", soc)) {
 323 #ifdef CONFIG_TARGET_APALIS_IMX6
 324                 if (it == 'y' || it == 'Y') {
 325                         if (is_cpu_type(MXC_CPU_MX6Q))
 326                                 tdx_hw_tag.prodid = APALIS_IMX6Q_IT;
 327                         else
 328                                 tdx_hw_tag.prodid = APALIS_IMX6D_IT;
 329                 } else {
 330                         if (is_cpu_type(MXC_CPU_MX6Q))
 331                                 tdx_hw_tag.prodid = APALIS_IMX6Q;
 332                         else
 333                                 tdx_hw_tag.prodid = APALIS_IMX6D;
 334                 }
 335 #elif CONFIG_TARGET_COLIBRI_IMX6
 336                 if (it == 'y' || it == 'Y') {
 337                         if (is_cpu_type(MXC_CPU_MX6DL))
 338                                 tdx_hw_tag.prodid = COLIBRI_IMX6DL_IT;
 339                         else if (is_cpu_type(MXC_CPU_MX6SOLO))
 340                                 tdx_hw_tag.prodid = COLIBRI_IMX6S_IT;
 341                 } else {
 342                         if (is_cpu_type(MXC_CPU_MX6DL))
 343                                 tdx_hw_tag.prodid = COLIBRI_IMX6DL;
 344                         else if (is_cpu_type(MXC_CPU_MX6SOLO))
 345                                 tdx_hw_tag.prodid = COLIBRI_IMX6S;
 346                 }
 347 #elif CONFIG_TARGET_COLIBRI_IMX6ULL
 348                 if (it == 'y' || it == 'Y') {
 349                         if (wb == 'y' || wb == 'Y')
 350                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT_IT;
 351                         else
 352                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_IT;
 353                 } else {
 354                         if (wb == 'y' || wb == 'Y')
 355                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT;
 356                         else
 357                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL;
 358                 }
 359 #endif
 360         } else if (!strcmp("imx7d", soc))
 361                 tdx_hw_tag.prodid = COLIBRI_IMX7D;
 362         else if (!strcmp("imx7s", soc))
 363                 tdx_hw_tag.prodid = COLIBRI_IMX7S;
 364         else if (is_cpu_type(MXC_CPU_IMX8QM)) {
 365                 if (it == 'y' || it == 'Y') {
 366                         if (wb == 'y' || wb == 'Y')
 367                                 tdx_hw_tag.prodid = APALIS_IMX8QM_WIFI_BT_IT;
 368                         else
 369                                 tdx_hw_tag.prodid = APALIS_IMX8QM_IT;
 370                 } else {
 371                         if (wb == 'y' || wb == 'Y')
 372                                 tdx_hw_tag.prodid = APALIS_IMX8QP_WIFI_BT;
 373                         else
 374                                 tdx_hw_tag.prodid = APALIS_IMX8QP;
 375                 }
 376         } else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
 377 #ifdef CONFIG_TARGET_APALIS_IMX8X
 378                 if (it == 'y' || it == 'Y' || wb == 'y' || wb == 'Y') {
 379                                 tdx_hw_tag.prodid = APALIS_IMX8QXP_WIFI_BT_IT;
 380                 } else {
 381                         if (gd->ram_size == 0x40000000)
 382                                 tdx_hw_tag.prodid = APALIS_IMX8DXP;
 383                         else
 384                                 tdx_hw_tag.prodid = APALIS_IMX8QXP;
 385                 }
 386 #elif CONFIG_TARGET_COLIBRI_IMX8X
 387                 if (it == 'y' || it == 'Y') {
 388                         if (wb == 'y' || wb == 'Y')
 389                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_WIFI_BT_IT;
 390                         else
 391                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_IT;
 392                 } else {
 393                         if (wb == 'y' || wb == 'Y')
 394                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX_WIFI_BT;
 395                         else
 396                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX;
 397                 }
 398 #endif
 399         } else if (!strcmp("tegra20", soc)) {
 400                 if (it == 'y' || it == 'Y')
 401                         if (gd->ram_size == 0x10000000)
 402                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
 403                         else
 404                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
 405                 else
 406                         if (gd->ram_size == 0x10000000)
 407                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB;
 408                         else
 409                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB;
 410         } else if (cpu_is_pxa27x()) {
 411                 if (it == 'y' || it == 'Y')
 412                         tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
 413                 else
 414                         tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
 415         }
 416 #ifdef CONFIG_MACH_TYPE
 417         else if (!strcmp("tegra30", soc)) {
 418                 if (CONFIG_MACH_TYPE == MACH_TYPE_APALIS_T30) {
 419                         if (it == 'y' || it == 'Y')
 420                                 tdx_hw_tag.prodid = APALIS_T30_IT;
 421                         else
 422                                 if (gd->ram_size == 0x40000000)
 423                                         tdx_hw_tag.prodid = APALIS_T30_1GB;
 424                                 else
 425                                         tdx_hw_tag.prodid = APALIS_T30_2GB;
 426                 } else {
 427                         if (it == 'y' || it == 'Y')
 428                                 tdx_hw_tag.prodid = COLIBRI_T30_IT;
 429                         else
 430                                 tdx_hw_tag.prodid = COLIBRI_T30;
 431                 }
 432         }
 433 #endif /* CONFIG_MACH_TYPE */
 434         else if (!strcmp("tegra124", soc)) {
 435                 tdx_hw_tag.prodid = APALIS_TK1_2GB;
 436         } else if (!strcmp("vf500", soc)) {
 437                 if (it == 'y' || it == 'Y')
 438                         tdx_hw_tag.prodid = COLIBRI_VF50_IT;
 439                 else
 440                         tdx_hw_tag.prodid = COLIBRI_VF50;
 441         } else if (!strcmp("vf610", soc)) {
 442                 if (it == 'y' || it == 'Y')
 443                         tdx_hw_tag.prodid = COLIBRI_VF61_IT;
 444                 else
 445                         tdx_hw_tag.prodid = COLIBRI_VF61;
 446         }
 447
 448         if (!tdx_hw_tag.prodid) {
 449                 printf("Module type not detectable due to unknown SoC\n");
 450                 return -1;
 451         }
 452
 453         while (len < 4) {
 454                 sprintf(message, "Enter the module version (e.g. V1.1B): V");
 455                 len = cli_readline(message);
 456         }
 457
 458         tdx_hw_tag.ver_major = console_buffer[0] - '0';
 459         tdx_hw_tag.ver_minor = console_buffer[2] - '0';
 460         tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
 461
 462         if (cpu_is_pxa27x() && tdx_hw_tag.ver_major == 1)
 463                 tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
 464                                        COLIBRI_PXA270_V1_312MHZ);
 465
 466         while (len < 8) {
 467                 sprintf(message, "Enter module serial number: ");
 468                 len = cli_readline(message);
 469         }
 470
 471         tdx_serial = simple_strtoul(console_buffer, NULL, 10);
 472
 473         return 0;
 474 }
 475
 476 static int get_cfgblock_barcode(char *barcode)
 477 {
 478         if (strlen(barcode) < 16) {
 479                 printf("Argument too short, barcode is 16 chars long\n");
 480                 return -1;
 481         }
 482
 483         /* Get hardware information from the first 8 digits */
 484         tdx_hw_tag.ver_major = barcode[4] - '0';
 485         tdx_hw_tag.ver_minor = barcode[5] - '0';
 486         tdx_hw_tag.ver_assembly = barcode[7] - '0';
 487
 488         barcode[4] = '\0';
 489         tdx_hw_tag.prodid = simple_strtoul(barcode, NULL, 10);
 490
 491         /* Parse second part of the barcode (serial number */
 492         barcode += 8;
 493         tdx_serial = simple_strtoul(barcode, NULL, 10);
 494
 495         return 0;
 496 }
 497
 498 static int do_cfgblock_create(cmd_tbl_t *cmdtp, int flag, int argc,
 499                               char * const argv[])
 500 {
 501         u8 *config_block;
 502         struct toradex_tag *tag;
 503         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 504         int offset = 0;
 505         int ret = CMD_RET_SUCCESS;
 506         int err;
 507         int force_overwrite = 0;
 508
 509         /* Allocate RAM area for config block */
 510         config_block = memalign(ARCH_DMA_MINALIGN, size);
 511         if (!config_block) {
 512                 printf("Not enough malloc space available!\n");
 513                 return CMD_RET_FAILURE;
 514         }
 515
 516         memset(config_block, 0xff, size);
 517
 518         if (argc >= 3) {
 519                 if (argv[2][0] == '-' && argv[2][1] == 'y')
 520                         force_overwrite = 1;
 521         }
 522
 523         read_tdx_cfg_block();
 524         if (valid_cfgblock) {
 525 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 526                 /*
 527                  * On NAND devices, recreation is only allowed if the page is
 528                  * empty (config block invalid...)
 529                  */
 530                 printf("NAND erase block %d need to be erased before creating a Toradex config block\n",
 531                        CONFIG_TDX_CFG_BLOCK_OFFSET /
 532                        get_nand_dev_by_index(0)->erasesize);
 533                 goto out;
 534 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 535                 /*
 536                  * On NOR devices, recreation is only allowed if the sector is
 537                  * empty and write protection is off (config block invalid...)
 538                  */
 539                 printf("NOR sector at offset 0x%02x need to be erased and unprotected before creating a Toradex config block\n",
 540                        CONFIG_TDX_CFG_BLOCK_OFFSET);
 541                 goto out;
 542 #else
 543                 if (!force_overwrite) {
 544                         char message[CONFIG_SYS_CBSIZE];
 545
 546                         sprintf(message,
 547                                 "A valid Toradex config block is present, still recreate? [y/N] ");
 548
 549                         if (!cli_readline(message))
 550                                 goto out;
 551
 552                         if (console_buffer[0] != 'y' &&
 553                             console_buffer[0] != 'Y')
 554                                 goto out;
 555                 }
 556 #endif
 557         }
 558
 559         /* Parse new Toradex config block data... */
 560         if (argc < 3 || (force_overwrite && argc < 4)) {
 561                 err = get_cfgblock_interactive();
 562         } else {
 563                 if (force_overwrite)
 564                         err = get_cfgblock_barcode(argv[3]);
 565                 else
 566                         err = get_cfgblock_barcode(argv[2]);
 567         }
 568         if (err) {
 569                 ret = CMD_RET_FAILURE;
 570                 goto out;
 571         }
 572
 573         /* Convert serial number to MAC address (the storage format) */
 574         tdx_eth_addr.oui = htonl(0x00142dUL << 8);
 575         tdx_eth_addr.nic = htonl(tdx_serial << 8);
 576
 577         /* Valid Tag */
 578         tag = (struct toradex_tag *)config_block;
 579         tag->id = TAG_VALID;
 580         tag->flags = TAG_FLAG_VALID;
 581         tag->len = 0;
 582         offset += 4;
 583
 584         /* Product Tag */
 585         tag = (struct toradex_tag *)(config_block + offset);
 586         tag->id = TAG_HW;
 587         tag->flags = TAG_FLAG_VALID;
 588         tag->len = 2;
 589         offset += 4;
 590
 591         memcpy(config_block + offset, &tdx_hw_tag, 8);
 592         offset += 8;
 593
 594         /* MAC Tag */
 595         tag = (struct toradex_tag *)(config_block + offset);
 596         tag->id = TAG_MAC;
 597         tag->flags = TAG_FLAG_VALID;
 598         tag->len = 2;
 599         offset += 4;
 600
 601         memcpy(config_block + offset, &tdx_eth_addr, 6);
 602         offset += 6;
 603         memset(config_block + offset, 0, 32 - offset);
 604
 605 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 606         err = tdx_cfg_block_mmc_storage(config_block, 1);
 607 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 608         err = write_tdx_cfg_block_to_nand(config_block);
 609 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 610         err = write_tdx_cfg_block_to_nor(config_block);
 611 #else
 612         err = -EINVAL;
 613 #endif
 614         if (err) {
 615                 printf("Failed to write Toradex config block: %d\n", ret);
 616                 ret = CMD_RET_FAILURE;
 617                 goto out;
 618         }
 619
 620         printf("Toradex config block successfully written\n");
 621
 622 out:
 623         free(config_block);
 624         return ret;
 625 }
 626
 627 static int do_cfgblock(cmd_tbl_t *cmdtp, int flag, int argc,
 628                        char * const argv[])
 629 {
 630         int ret;
 631
 632         if (argc < 2)
 633                 return CMD_RET_USAGE;
 634
 635         if (!strcmp(argv[1], "create")) {
 636                 return do_cfgblock_create(cmdtp, flag, argc, argv);
 637         } else if (!strcmp(argv[1], "reload")) {
 638                 ret = read_tdx_cfg_block();
 639                 if (ret) {
 640                         printf("Failed to reload Toradex config block: %d\n",
 641                                ret);
 642                         return CMD_RET_FAILURE;
 643                 }
 644                 return CMD_RET_SUCCESS;
 645         }
 646
 647         return CMD_RET_USAGE;
 648 }
 649
 650 U_BOOT_CMD(cfgblock, 4, 0, do_cfgblock,
 651            "Toradex config block handling commands",
 652            "create [-y] [barcode] - (Re-)create Toradex config block\n"
 653            "cfgblock reload - Reload Toradex config block from flash"
 654 );