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         defined(CONFIG_TARGET_VERDIN_IMX8MM) || \
  15         defined(CONFIG_TARGET_VERDIN_IMX8MN)
  16 #include <asm/arch/sys_proto.h>
  17 #else
  18 #define is_cpu_type(cpu) (0)
  19 #endif
  20 #if defined(CONFIG_CPU_PXA27X)
  21 #include <asm/arch-pxa/pxa.h>
  22 #else
  23 #define cpu_is_pxa27x(cpu) (0)
  24 #endif
  25 #include <cli.h>
  26 #include <console.h>
  27 #include <env.h>
  28 #include <flash.h>
  29 #include <malloc.h>
  30 #include <mmc.h>
  31 #include <nand.h>
  32 #include <asm/mach-types.h>
  33
  34 DECLARE_GLOBAL_DATA_PTR;
  35
  36 #define TAG_VALID       0xcf01
  37 #define TAG_MAC         0x0000
  38 #define TAG_HW          0x0008
  39 #define TAG_INVALID     0xffff
  40
  41 #define TAG_FLAG_VALID  0x1
  42
  43 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
  44 #define TDX_CFG_BLOCK_MAX_SIZE 512
  45 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
  46 #define TDX_CFG_BLOCK_MAX_SIZE 64
  47 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
  48 #define TDX_CFG_BLOCK_MAX_SIZE 64
  49 #else
  50 #error Toradex config block location not set
  51 #endif
  52
  53 struct toradex_tag {
  54         u32 len:14;
  55         u32 flags:2;
  56         u32 id:16;
  57 };
  58
  59 bool valid_cfgblock;
  60 struct toradex_hw tdx_hw_tag;
  61 struct toradex_eth_addr tdx_eth_addr;
  62 u32 tdx_serial;
  63
  64 const char * const toradex_modules[] = {
  65          [0] = "UNKNOWN MODULE",
  66          [1] = "Colibri PXA270 312MHz",
  67          [2] = "Colibri PXA270 520MHz",
  68          [3] = "Colibri PXA320 806MHz",
  69          [4] = "Colibri PXA300 208MHz",
  70          [5] = "Colibri PXA310 624MHz",
  71          [6] = "Colibri PXA320 806MHz IT",
  72          [7] = "Colibri PXA300 208MHz XT",
  73          [8] = "Colibri PXA270 312MHz",
  74          [9] = "Colibri PXA270 520MHz",
  75         [10] = "Colibri VF50 128MB", /* not currently on sale */
  76         [11] = "Colibri VF61 256MB",
  77         [12] = "Colibri VF61 256MB IT",
  78         [13] = "Colibri VF50 128MB IT",
  79         [14] = "Colibri iMX6 Solo 256MB",
  80         [15] = "Colibri iMX6 DualLite 512MB",
  81         [16] = "Colibri iMX6 Solo 256MB IT",
  82         [17] = "Colibri iMX6 DualLite 512MB IT",
  83         [18] = "UNKNOWN MODULE",
  84         [19] = "UNKNOWN MODULE",
  85         [20] = "Colibri T20 256MB",
  86         [21] = "Colibri T20 512MB",
  87         [22] = "Colibri T20 512MB IT",
  88         [23] = "Colibri T30 1GB",
  89         [24] = "Colibri T20 256MB IT",
  90         [25] = "Apalis T30 2GB",
  91         [26] = "Apalis T30 1GB",
  92         [27] = "Apalis iMX6 Quad 1GB",
  93         [28] = "Apalis iMX6 Quad 2GB IT",
  94         [29] = "Apalis iMX6 Dual 512MB",
  95         [30] = "Colibri T30 1GB IT",
  96         [31] = "Apalis T30 1GB IT",
  97         [32] = "Colibri iMX7 Solo 256MB",
  98         [33] = "Colibri iMX7 Dual 512MB",
  99         [34] = "Apalis TK1 2GB",
 100         [35] = "Apalis iMX6 Dual 1GB IT",
 101         [36] = "Colibri iMX6ULL 256MB",
 102         [37] = "Apalis iMX8 QuadMax 4GB Wi-Fi / BT IT",
 103         [38] = "Colibri iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
 104         [39] = "Colibri iMX7 Dual 1GB (eMMC)",
 105         [40] = "Colibri iMX6ULL 512MB Wi-Fi / BT IT",
 106         [41] = "Colibri iMX7 Dual 512MB EPDC",
 107         [42] = "Apalis TK1 4GB",
 108         [43] = "Colibri T20 512MB IT SETEK",
 109         [44] = "Colibri iMX6ULL 512MB IT",
 110         [45] = "Colibri iMX6ULL 512MB Wi-Fi / Bluetooth",
 111         [46] = "Apalis iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
 112         [47] = "Apalis iMX8 QuadMax 4GB IT",
 113         [48] = "Apalis iMX8 QuadPlus 2GB Wi-Fi / BT",
 114         [49] = "Apalis iMX8 QuadPlus 2GB",
 115         [50] = "Colibri iMX8 QuadXPlus 2GB IT",
 116         [51] = "Colibri iMX8 DualX 1GB Wi-Fi / Bluetooth",
 117         [52] = "Colibri iMX8 DualX 1GB",
 118         [53] = "Apalis iMX8 QuadXPlus 2GB ECC IT",
 119         [54] = "Apalis iMX8 DualXPlus 1GB",
 120         [55] = "Verdin iMX8M Mini Quad 2GB Wi-Fi / BT IT",
 121         [56] = "Verdin iMX8M Nano SoloLite 1GB", /* not currently on sale */
 122         [57] = "Verdin iMX8M Mini DualLite 1GB",
 123 };
 124
 125 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
 126 static int tdx_cfg_block_mmc_storage(u8 *config_block, int write)
 127 {
 128         struct mmc *mmc;
 129         int dev = CONFIG_TDX_CFG_BLOCK_DEV;
 130         int offset = CONFIG_TDX_CFG_BLOCK_OFFSET;
 131         uint part = CONFIG_TDX_CFG_BLOCK_PART;
 132         uint blk_start;
 133         int ret = 0;
 134
 135         /* Read production parameter config block from eMMC */
 136         mmc = find_mmc_device(dev);
 137         if (!mmc) {
 138                 puts("No MMC card found\n");
 139                 ret = -ENODEV;
 140                 goto out;
 141         }
 142         if (mmc_init(mmc)) {
 143                 puts("MMC init failed\n");
 144                 return -EINVAL;
 145         }
 146         if (part != mmc_get_blk_desc(mmc)->hwpart) {
 147                 if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) {
 148                         puts("MMC partition switch failed\n");
 149                         ret = -ENODEV;
 150                         goto out;
 151                 }
 152         }
 153         if (offset < 0)
 154                 offset += mmc->capacity;
 155         blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;
 156
 157         if (!write) {
 158                 /* Careful reads a whole block of 512 bytes into config_block */
 159                 if (blk_dread(mmc_get_blk_desc(mmc), blk_start, 1,
 160                               (unsigned char *)config_block) != 1) {
 161                         ret = -EIO;
 162                         goto out;
 163                 }
 164         } else {
 165                 /* Just writing one 512 byte block */
 166                 if (blk_dwrite(mmc_get_blk_desc(mmc), blk_start, 1,
 167                                (unsigned char *)config_block) != 1) {
 168                         ret = -EIO;
 169                         goto out;
 170                 }
 171         }
 172
 173 out:
 174         /* Switch back to regular eMMC user partition */
 175         blk_select_hwpart_devnum(IF_TYPE_MMC, 0, 0);
 176
 177         return ret;
 178 }
 179 #endif
 180
 181 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
 182 static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
 183 {
 184         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 185         struct mtd_info *mtd = get_nand_dev_by_index(0);
 186
 187         if (!mtd)
 188                 return -ENODEV;
 189
 190         /* Read production parameter config block from NAND page */
 191         return nand_read_skip_bad(mtd, CONFIG_TDX_CFG_BLOCK_OFFSET,
 192                                   &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
 193                                   config_block);
 194 }
 195
 196 static int write_tdx_cfg_block_to_nand(unsigned char *config_block)
 197 {
 198         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 199
 200         /* Write production parameter config block to NAND page */
 201         return nand_write_skip_bad(get_nand_dev_by_index(0),
 202                                    CONFIG_TDX_CFG_BLOCK_OFFSET,
 203                                    &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
 204                                    config_block, WITH_WR_VERIFY);
 205 }
 206 #endif
 207
 208 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
 209 static int read_tdx_cfg_block_from_nor(unsigned char *config_block)
 210 {
 211         /* Read production parameter config block from NOR flash */
 212         memcpy(config_block, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET,
 213                TDX_CFG_BLOCK_MAX_SIZE);
 214         return 0;
 215 }
 216
 217 static int write_tdx_cfg_block_to_nor(unsigned char *config_block)
 218 {
 219         /* Write production parameter config block to NOR flash */
 220         return flash_write((void *)config_block, CONFIG_TDX_CFG_BLOCK_OFFSET,
 221                            TDX_CFG_BLOCK_MAX_SIZE);
 222 }
 223 #endif
 224
 225 int read_tdx_cfg_block(void)
 226 {
 227         int ret = 0;
 228         u8 *config_block = NULL;
 229         struct toradex_tag *tag;
 230         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 231         int offset;
 232
 233         /* Allocate RAM area for config block */
 234         config_block = memalign(ARCH_DMA_MINALIGN, size);
 235         if (!config_block) {
 236                 printf("Not enough malloc space available!\n");
 237                 return -ENOMEM;
 238         }
 239
 240         memset(config_block, 0, size);
 241
 242 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 243         ret = tdx_cfg_block_mmc_storage(config_block, 0);
 244 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 245         ret = read_tdx_cfg_block_from_nand(config_block);
 246 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 247         ret = read_tdx_cfg_block_from_nor(config_block);
 248 #else
 249         ret = -EINVAL;
 250 #endif
 251         if (ret)
 252                 goto out;
 253
 254         /* Expect a valid tag first */
 255         tag = (struct toradex_tag *)config_block;
 256         if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
 257                 valid_cfgblock = false;
 258                 ret = -EINVAL;
 259                 goto out;
 260         }
 261         valid_cfgblock = true;
 262         offset = 4;
 263
 264         while (offset < TDX_CFG_BLOCK_MAX_SIZE) {
 265                 tag = (struct toradex_tag *)(config_block + offset);
 266                 offset += 4;
 267                 if (tag->id == TAG_INVALID)
 268                         break;
 269
 270                 if (tag->flags == TAG_FLAG_VALID) {
 271                         switch (tag->id) {
 272                         case TAG_MAC:
 273                                 memcpy(&tdx_eth_addr, config_block + offset,
 274                                        6);
 275
 276                                 /* NIC part of MAC address is serial number */
 277                                 tdx_serial = ntohl(tdx_eth_addr.nic) >> 8;
 278                                 break;
 279                         case TAG_HW:
 280                                 memcpy(&tdx_hw_tag, config_block + offset, 8);
 281                                 break;
 282                         }
 283                 }
 284
 285                 /* Get to next tag according to current tags length */
 286                 offset += tag->len * 4;
 287         }
 288
 289         /* Cap product id to avoid issues with a yet unknown one */
 290         if (tdx_hw_tag.prodid >= (sizeof(toradex_modules) /
 291                                   sizeof(toradex_modules[0])))
 292                 tdx_hw_tag.prodid = 0;
 293
 294 out:
 295         free(config_block);
 296         return ret;
 297 }
 298
 299 static int get_cfgblock_interactive(void)
 300 {
 301         char message[CONFIG_SYS_CBSIZE];
 302         char *soc;
 303         char it = 'n';
 304         char wb = 'n';
 305         int len = 0;
 306
 307         /* Unknown module by default */
 308         tdx_hw_tag.prodid = 0;
 309
 310         if (cpu_is_pxa27x())
 311                 sprintf(message, "Is the module the 312 MHz version? [y/N] ");
 312 #if !defined(CONFIG_TARGET_VERDIN_IMX8MM) || !defined(CONFIG_TARGET_VERDIN_IMX8MN)
 313         else
 314                 sprintf(message, "Is the module an IT version? [y/N] ");
 315
 316         len = cli_readline(message);
 317         it = console_buffer[0];
 318 #else
 319         else
 320                 it = 'y';
 321 #endif
 322
 323
 324 #if defined(CONFIG_TARGET_APALIS_IMX8) || \
 325                 defined(CONFIG_TARGET_APALIS_IMX8X) || \
 326                 defined(CONFIG_TARGET_COLIBRI_IMX6ULL) || \
 327                 defined(CONFIG_TARGET_COLIBRI_IMX8X)
 328         sprintf(message, "Does the module have Wi-Fi / Bluetooth? [y/N] ");
 329         len = cli_readline(message);
 330         wb = console_buffer[0];
 331 #endif
 332
 333         soc = env_get("soc");
 334         if (!strcmp("mx6", soc)) {
 335 #ifdef CONFIG_TARGET_APALIS_IMX6
 336                 if (it == 'y' || it == 'Y') {
 337                         if (is_cpu_type(MXC_CPU_MX6Q))
 338                                 tdx_hw_tag.prodid = APALIS_IMX6Q_IT;
 339                         else
 340                                 tdx_hw_tag.prodid = APALIS_IMX6D_IT;
 341                 } else {
 342                         if (is_cpu_type(MXC_CPU_MX6Q))
 343                                 tdx_hw_tag.prodid = APALIS_IMX6Q;
 344                         else
 345                                 tdx_hw_tag.prodid = APALIS_IMX6D;
 346                 }
 347 #elif CONFIG_TARGET_COLIBRI_IMX6
 348                 if (it == 'y' || it == 'Y') {
 349                         if (is_cpu_type(MXC_CPU_MX6DL))
 350                                 tdx_hw_tag.prodid = COLIBRI_IMX6DL_IT;
 351                         else if (is_cpu_type(MXC_CPU_MX6SOLO))
 352                                 tdx_hw_tag.prodid = COLIBRI_IMX6S_IT;
 353                 } else {
 354                         if (is_cpu_type(MXC_CPU_MX6DL))
 355                                 tdx_hw_tag.prodid = COLIBRI_IMX6DL;
 356                         else if (is_cpu_type(MXC_CPU_MX6SOLO))
 357                                 tdx_hw_tag.prodid = COLIBRI_IMX6S;
 358                 }
 359 #elif CONFIG_TARGET_COLIBRI_IMX6ULL
 360                 if (it == 'y' || it == 'Y') {
 361                         if (wb == 'y' || wb == 'Y')
 362                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT_IT;
 363                         else
 364                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_IT;
 365                 } else {
 366                         if (wb == 'y' || wb == 'Y')
 367                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT;
 368                         else
 369                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL;
 370                 }
 371 #endif
 372         } else if (!strcmp("imx7d", soc))
 373                 tdx_hw_tag.prodid = COLIBRI_IMX7D;
 374         else if (!strcmp("imx7s", soc))
 375                 tdx_hw_tag.prodid = COLIBRI_IMX7S;
 376         else if (is_cpu_type(MXC_CPU_IMX8MM))
 377                 tdx_hw_tag.prodid = VERDIN_IMX8MMQ_WIFI_BT_IT;
 378         else if (is_cpu_type(MXC_CPU_IMX8MMDL))
 379                 tdx_hw_tag.prodid = VERDIN_IMX8MMDL;
 380         else if (is_cpu_type(MXC_CPU_IMX8MN))
 381                 tdx_hw_tag.prodid = VERDIN_IMX8MNSL;
 382         else if (is_cpu_type(MXC_CPU_IMX8QM)) {
 383                 if (it == 'y' || it == 'Y') {
 384                         if (wb == 'y' || wb == 'Y')
 385                                 tdx_hw_tag.prodid = APALIS_IMX8QM_WIFI_BT_IT;
 386                         else
 387                                 tdx_hw_tag.prodid = APALIS_IMX8QM_IT;
 388                 } else {
 389                         if (wb == 'y' || wb == 'Y')
 390                                 tdx_hw_tag.prodid = APALIS_IMX8QP_WIFI_BT;
 391                         else
 392                                 tdx_hw_tag.prodid = APALIS_IMX8QP;
 393                 }
 394         } else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
 395 #ifdef CONFIG_TARGET_APALIS_IMX8X
 396                 if (it == 'y' || it == 'Y' || wb == 'y' || wb == 'Y') {
 397                                 tdx_hw_tag.prodid = APALIS_IMX8QXP_WIFI_BT_IT;
 398                 } else {
 399                         if (gd->ram_size == 0x40000000)
 400                                 tdx_hw_tag.prodid = APALIS_IMX8DXP;
 401                         else
 402                                 tdx_hw_tag.prodid = APALIS_IMX8QXP;
 403                 }
 404 #elif CONFIG_TARGET_COLIBRI_IMX8X
 405                 if (it == 'y' || it == 'Y') {
 406                         if (wb == 'y' || wb == 'Y')
 407                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_WIFI_BT_IT;
 408                         else
 409                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_IT;
 410                 } else {
 411                         if (wb == 'y' || wb == 'Y')
 412                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX_WIFI_BT;
 413                         else
 414                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX;
 415                 }
 416 #endif
 417         } else if (!strcmp("tegra20", soc)) {
 418                 if (it == 'y' || it == 'Y')
 419                         if (gd->ram_size == 0x10000000)
 420                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
 421                         else
 422                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
 423                 else
 424                         if (gd->ram_size == 0x10000000)
 425                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB;
 426                         else
 427                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB;
 428         } else if (cpu_is_pxa27x()) {
 429                 if (it == 'y' || it == 'Y')
 430                         tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
 431                 else
 432                         tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
 433         }
 434 #ifdef CONFIG_MACH_TYPE
 435         else if (!strcmp("tegra30", soc)) {
 436                 if (CONFIG_MACH_TYPE == MACH_TYPE_APALIS_T30) {
 437                         if (it == 'y' || it == 'Y')
 438                                 tdx_hw_tag.prodid = APALIS_T30_IT;
 439                         else
 440                                 if (gd->ram_size == 0x40000000)
 441                                         tdx_hw_tag.prodid = APALIS_T30_1GB;
 442                                 else
 443                                         tdx_hw_tag.prodid = APALIS_T30_2GB;
 444                 } else {
 445                         if (it == 'y' || it == 'Y')
 446                                 tdx_hw_tag.prodid = COLIBRI_T30_IT;
 447                         else
 448                                 tdx_hw_tag.prodid = COLIBRI_T30;
 449                 }
 450         }
 451 #endif /* CONFIG_MACH_TYPE */
 452         else if (!strcmp("tegra124", soc)) {
 453                 tdx_hw_tag.prodid = APALIS_TK1_2GB;
 454         } else if (!strcmp("vf500", soc)) {
 455                 if (it == 'y' || it == 'Y')
 456                         tdx_hw_tag.prodid = COLIBRI_VF50_IT;
 457                 else
 458                         tdx_hw_tag.prodid = COLIBRI_VF50;
 459         } else if (!strcmp("vf610", soc)) {
 460                 if (it == 'y' || it == 'Y')
 461                         tdx_hw_tag.prodid = COLIBRI_VF61_IT;
 462                 else
 463                         tdx_hw_tag.prodid = COLIBRI_VF61;
 464         }
 465
 466         if (!tdx_hw_tag.prodid) {
 467                 printf("Module type not detectable due to unknown SoC\n");
 468                 return -1;
 469         }
 470
 471         while (len < 4) {
 472                 sprintf(message, "Enter the module version (e.g. V1.1B): V");
 473                 len = cli_readline(message);
 474         }
 475
 476         tdx_hw_tag.ver_major = console_buffer[0] - '0';
 477         tdx_hw_tag.ver_minor = console_buffer[2] - '0';
 478         tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
 479
 480         if (cpu_is_pxa27x() && tdx_hw_tag.ver_major == 1)
 481                 tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
 482                                        COLIBRI_PXA270_V1_312MHZ);
 483
 484         while (len < 8) {
 485                 sprintf(message, "Enter module serial number: ");
 486                 len = cli_readline(message);
 487         }
 488
 489         tdx_serial = simple_strtoul(console_buffer, NULL, 10);
 490
 491         return 0;
 492 }
 493
 494 static int get_cfgblock_barcode(char *barcode)
 495 {
 496         if (strlen(barcode) < 16) {
 497                 printf("Argument too short, barcode is 16 chars long\n");
 498                 return -1;
 499         }
 500
 501         /* Get hardware information from the first 8 digits */
 502         tdx_hw_tag.ver_major = barcode[4] - '0';
 503         tdx_hw_tag.ver_minor = barcode[5] - '0';
 504         tdx_hw_tag.ver_assembly = barcode[7] - '0';
 505
 506         barcode[4] = '\0';
 507         tdx_hw_tag.prodid = simple_strtoul(barcode, NULL, 10);
 508
 509         /* Parse second part of the barcode (serial number */
 510         barcode += 8;
 511         tdx_serial = simple_strtoul(barcode, NULL, 10);
 512
 513         return 0;
 514 }
 515
 516 static int do_cfgblock_create(cmd_tbl_t *cmdtp, int flag, int argc,
 517                               char * const argv[])
 518 {
 519         u8 *config_block;
 520         struct toradex_tag *tag;
 521         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 522         int offset = 0;
 523         int ret = CMD_RET_SUCCESS;
 524         int err;
 525         int force_overwrite = 0;
 526
 527         /* Allocate RAM area for config block */
 528         config_block = memalign(ARCH_DMA_MINALIGN, size);
 529         if (!config_block) {
 530                 printf("Not enough malloc space available!\n");
 531                 return CMD_RET_FAILURE;
 532         }
 533
 534         memset(config_block, 0xff, size);
 535
 536         if (argc >= 3) {
 537                 if (argv[2][0] == '-' && argv[2][1] == 'y')
 538                         force_overwrite = 1;
 539         }
 540
 541         read_tdx_cfg_block();
 542         if (valid_cfgblock) {
 543 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 544                 /*
 545                  * On NAND devices, recreation is only allowed if the page is
 546                  * empty (config block invalid...)
 547                  */
 548                 printf("NAND erase block %d need to be erased before creating a Toradex config block\n",
 549                        CONFIG_TDX_CFG_BLOCK_OFFSET /
 550                        get_nand_dev_by_index(0)->erasesize);
 551                 goto out;
 552 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 553                 /*
 554                  * On NOR devices, recreation is only allowed if the sector is
 555                  * empty and write protection is off (config block invalid...)
 556                  */
 557                 printf("NOR sector at offset 0x%02x need to be erased and unprotected before creating a Toradex config block\n",
 558                        CONFIG_TDX_CFG_BLOCK_OFFSET);
 559                 goto out;
 560 #else
 561                 if (!force_overwrite) {
 562                         char message[CONFIG_SYS_CBSIZE];
 563
 564                         sprintf(message,
 565                                 "A valid Toradex config block is present, still recreate? [y/N] ");
 566
 567                         if (!cli_readline(message))
 568                                 goto out;
 569
 570                         if (console_buffer[0] != 'y' &&
 571                             console_buffer[0] != 'Y')
 572                                 goto out;
 573                 }
 574 #endif
 575         }
 576
 577         /* Parse new Toradex config block data... */
 578         if (argc < 3 || (force_overwrite && argc < 4)) {
 579                 err = get_cfgblock_interactive();
 580         } else {
 581                 if (force_overwrite)
 582                         err = get_cfgblock_barcode(argv[3]);
 583                 else
 584                         err = get_cfgblock_barcode(argv[2]);
 585         }
 586         if (err) {
 587                 ret = CMD_RET_FAILURE;
 588                 goto out;
 589         }
 590
 591         /* Convert serial number to MAC address (the storage format) */
 592         tdx_eth_addr.oui = htonl(0x00142dUL << 8);
 593         tdx_eth_addr.nic = htonl(tdx_serial << 8);
 594
 595         /* Valid Tag */
 596         tag = (struct toradex_tag *)config_block;
 597         tag->id = TAG_VALID;
 598         tag->flags = TAG_FLAG_VALID;
 599         tag->len = 0;
 600         offset += 4;
 601
 602         /* Product Tag */
 603         tag = (struct toradex_tag *)(config_block + offset);
 604         tag->id = TAG_HW;
 605         tag->flags = TAG_FLAG_VALID;
 606         tag->len = 2;
 607         offset += 4;
 608
 609         memcpy(config_block + offset, &tdx_hw_tag, 8);
 610         offset += 8;
 611
 612         /* MAC Tag */
 613         tag = (struct toradex_tag *)(config_block + offset);
 614         tag->id = TAG_MAC;
 615         tag->flags = TAG_FLAG_VALID;
 616         tag->len = 2;
 617         offset += 4;
 618
 619         memcpy(config_block + offset, &tdx_eth_addr, 6);
 620         offset += 6;
 621         memset(config_block + offset, 0, 32 - offset);
 622
 623 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 624         err = tdx_cfg_block_mmc_storage(config_block, 1);
 625 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 626         err = write_tdx_cfg_block_to_nand(config_block);
 627 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 628         err = write_tdx_cfg_block_to_nor(config_block);
 629 #else
 630         err = -EINVAL;
 631 #endif
 632         if (err) {
 633                 printf("Failed to write Toradex config block: %d\n", ret);
 634                 ret = CMD_RET_FAILURE;
 635                 goto out;
 636         }
 637
 638         printf("Toradex config block successfully written\n");
 639
 640 out:
 641         free(config_block);
 642         return ret;
 643 }
 644
 645 static int do_cfgblock(cmd_tbl_t *cmdtp, int flag, int argc,
 646                        char * const argv[])
 647 {
 648         int ret;
 649
 650         if (argc < 2)
 651                 return CMD_RET_USAGE;
 652
 653         if (!strcmp(argv[1], "create")) {
 654                 return do_cfgblock_create(cmdtp, flag, argc, argv);
 655         } else if (!strcmp(argv[1], "reload")) {
 656                 ret = read_tdx_cfg_block();
 657                 if (ret) {
 658                         printf("Failed to reload Toradex config block: %d\n",
 659                                ret);
 660                         return CMD_RET_FAILURE;
 661                 }
 662                 return CMD_RET_SUCCESS;
 663         }
 664
 665         return CMD_RET_USAGE;
 666 }
 667
 668 U_BOOT_CMD(cfgblock, 4, 0, do_cfgblock,
 669            "Toradex config block handling commands",
 670            "create [-y] [barcode] - (Re-)create Toradex config block\n"
 671            "cfgblock reload - Reload Toradex config block from flash"
 672 );