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 <asm/global_data.h>
   8 #include "tdx-cfg-block.h"
   9 #include "tdx-eeprom.h"
  10
  11 #include <command.h>
  12 #include <asm/cache.h>
  13
  14 #if defined(CONFIG_TARGET_APALIS_IMX6) || \
  15         defined(CONFIG_TARGET_APALIS_IMX8) || \
  16         defined(CONFIG_TARGET_APALIS_IMX8X) || \
  17         defined(CONFIG_TARGET_COLIBRI_IMX6) || \
  18         defined(CONFIG_TARGET_COLIBRI_IMX8X) || \
  19         defined(CONFIG_TARGET_VERDIN_IMX8MM) || \
  20         defined(CONFIG_TARGET_VERDIN_IMX8MN) || \
  21         defined(CONFIG_TARGET_VERDIN_IMX8MP)
  22 #include <asm/arch/sys_proto.h>
  23 #else
  24 #define is_cpu_type(cpu) (0)
  25 #endif
  26 #if defined(CONFIG_CPU_PXA27X)
  27 #include <asm/arch-pxa/pxa.h>
  28 #else
  29 #define cpu_is_pxa27x(cpu) (0)
  30 #endif
  31 #include <cli.h>
  32 #include <console.h>
  33 #include <env.h>
  34 #include <flash.h>
  35 #include <malloc.h>
  36 #include <mmc.h>
  37 #include <nand.h>
  38 #include <asm/mach-types.h>
  39
  40 DECLARE_GLOBAL_DATA_PTR;
  41
  42 #define TAG_VALID       0xcf01
  43 #define TAG_MAC         0x0000
  44 #define TAG_CAR_SERIAL  0x0021
  45 #define TAG_HW          0x0008
  46 #define TAG_INVALID     0xffff
  47
  48 #define TAG_FLAG_VALID  0x1
  49
  50 #define TDX_EEPROM_ID_MODULE            0
  51 #define TDX_EEPROM_ID_CARRIER           1
  52
  53 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
  54 #define TDX_CFG_BLOCK_MAX_SIZE 512
  55 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
  56 #define TDX_CFG_BLOCK_MAX_SIZE 64
  57 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
  58 #define TDX_CFG_BLOCK_MAX_SIZE 64
  59 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
  60 #define TDX_CFG_BLOCK_MAX_SIZE 64
  61 #else
  62 #error Toradex config block location not set
  63 #endif
  64
  65 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
  66 #define TDX_CFG_BLOCK_EXTRA_MAX_SIZE 64
  67 #endif
  68
  69 struct toradex_tag {
  70         u32 len:14;
  71         u32 flags:2;
  72         u32 id:16;
  73 };
  74
  75 bool valid_cfgblock;
  76 struct toradex_hw tdx_hw_tag;
  77 struct toradex_eth_addr tdx_eth_addr;
  78 u32 tdx_serial;
  79 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
  80 u32 tdx_car_serial;
  81 bool valid_cfgblock_carrier;
  82 struct toradex_hw tdx_car_hw_tag;
  83 #endif
  84
  85 const char * const toradex_modules[] = {
  86          [0] = "UNKNOWN MODULE",
  87          [1] = "Colibri PXA270 312MHz",
  88          [2] = "Colibri PXA270 520MHz",
  89          [3] = "Colibri PXA320 806MHz",
  90          [4] = "Colibri PXA300 208MHz",
  91          [5] = "Colibri PXA310 624MHz",
  92          [6] = "Colibri PXA320 806MHz IT",
  93          [7] = "Colibri PXA300 208MHz XT",
  94          [8] = "Colibri PXA270 312MHz",
  95          [9] = "Colibri PXA270 520MHz",
  96         [10] = "Colibri VF50 128MB", /* not currently on sale */
  97         [11] = "Colibri VF61 256MB",
  98         [12] = "Colibri VF61 256MB IT",
  99         [13] = "Colibri VF50 128MB IT",
 100         [14] = "Colibri iMX6 Solo 256MB",
 101         [15] = "Colibri iMX6 DualLite 512MB",
 102         [16] = "Colibri iMX6 Solo 256MB IT",
 103         [17] = "Colibri iMX6 DualLite 512MB IT",
 104         [18] = "UNKNOWN MODULE",
 105         [19] = "UNKNOWN MODULE",
 106         [20] = "Colibri T20 256MB",
 107         [21] = "Colibri T20 512MB",
 108         [22] = "Colibri T20 512MB IT",
 109         [23] = "Colibri T30 1GB",
 110         [24] = "Colibri T20 256MB IT",
 111         [25] = "Apalis T30 2GB",
 112         [26] = "Apalis T30 1GB",
 113         [27] = "Apalis iMX6 Quad 1GB",
 114         [28] = "Apalis iMX6 Quad 2GB IT",
 115         [29] = "Apalis iMX6 Dual 512MB",
 116         [30] = "Colibri T30 1GB IT",
 117         [31] = "Apalis T30 1GB IT",
 118         [32] = "Colibri iMX7 Solo 256MB",
 119         [33] = "Colibri iMX7 Dual 512MB",
 120         [34] = "Apalis TK1 2GB",
 121         [35] = "Apalis iMX6 Dual 1GB IT",
 122         [36] = "Colibri iMX6ULL 256MB",
 123         [37] = "Apalis iMX8 QuadMax 4GB Wi-Fi / BT IT",
 124         [38] = "Colibri iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
 125         [39] = "Colibri iMX7 Dual 1GB (eMMC)",
 126         [40] = "Colibri iMX6ULL 512MB Wi-Fi / BT IT",
 127         [41] = "Colibri iMX7 Dual 512MB EPDC",
 128         [42] = "Apalis TK1 4GB",
 129         [43] = "Colibri T20 512MB IT SETEK",
 130         [44] = "Colibri iMX6ULL 512MB IT",
 131         [45] = "Colibri iMX6ULL 512MB Wi-Fi / Bluetooth",
 132         [46] = "Apalis iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
 133         [47] = "Apalis iMX8 QuadMax 4GB IT",
 134         [48] = "Apalis iMX8 QuadPlus 2GB Wi-Fi / BT",
 135         [49] = "Apalis iMX8 QuadPlus 2GB",
 136         [50] = "Colibri iMX8 QuadXPlus 2GB IT",
 137         [51] = "Colibri iMX8 DualX 1GB Wi-Fi / Bluetooth",
 138         [52] = "Colibri iMX8 DualX 1GB",
 139         [53] = "Apalis iMX8 QuadXPlus 2GB ECC IT",
 140         [54] = "Apalis iMX8 DualXPlus 1GB",
 141         [55] = "Verdin iMX8M Mini Quad 2GB Wi-Fi / BT IT",
 142         [56] = "Verdin iMX8M Nano Quad 1GB Wi-Fi / BT", /* not currently on sale */
 143         [57] = "Verdin iMX8M Mini DualLite 1GB",
 144         [58] = "Verdin iMX8M Plus Quad 4GB Wi-Fi / BT IT",
 145         [59] = "Verdin iMX8M Mini Quad 2GB IT",
 146         [60] = "Verdin iMX8M Mini DualLite 1GB WB IT",
 147         [61] = "Verdin iMX8M Plus Quad 2GB",
 148         [62] = "Colibri iMX6ULL 1GB IT (eMMC)",
 149         [63] = "Verdin iMX8M Plus Quad 4GB IT",
 150         [64] = "Verdin iMX8M Plus Quad 2GB Wi-Fi / BT IT",
 151         [65] = "Verdin iMX8M Plus QuadLite 1GB IT",
 152         [66] = "Verdin iMX8M Plus Quad 8GB Wi-Fi / BT",
 153 };
 154
 155 const char * const toradex_carrier_boards[] = {
 156         [0] = "UNKNOWN CARRIER BOARD",
 157         [155] = "Dahlia",
 158         [156] = "Verdin Development Board",
 159 };
 160
 161 const char * const toradex_display_adapters[] = {
 162         [0] = "UNKNOWN DISPLAY ADAPTER",
 163         [157] = "Verdin DSI to HDMI Adapter",
 164         [159] = "Verdin DSI to LVDS Adapter",
 165 };
 166
 167 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
 168 static int tdx_cfg_block_mmc_storage(u8 *config_block, int write)
 169 {
 170         struct mmc *mmc;
 171         int dev = CONFIG_TDX_CFG_BLOCK_DEV;
 172         int offset = CONFIG_TDX_CFG_BLOCK_OFFSET;
 173         uint part = CONFIG_TDX_CFG_BLOCK_PART;
 174         uint blk_start;
 175         int ret = 0;
 176
 177         /* Read production parameter config block from eMMC */
 178         mmc = find_mmc_device(dev);
 179         if (!mmc) {
 180                 puts("No MMC card found\n");
 181                 ret = -ENODEV;
 182                 goto out;
 183         }
 184         if (mmc_init(mmc)) {
 185                 puts("MMC init failed\n");
 186                 return -EINVAL;
 187         }
 188         if (part != mmc_get_blk_desc(mmc)->hwpart) {
 189                 if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) {
 190                         puts("MMC partition switch failed\n");
 191                         ret = -ENODEV;
 192                         goto out;
 193                 }
 194         }
 195         if (offset < 0)
 196                 offset += mmc->capacity;
 197         blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;
 198
 199         if (!write) {
 200                 /* Careful reads a whole block of 512 bytes into config_block */
 201                 if (blk_dread(mmc_get_blk_desc(mmc), blk_start, 1,
 202                               (unsigned char *)config_block) != 1) {
 203                         ret = -EIO;
 204                         goto out;
 205                 }
 206         } else {
 207                 /* Just writing one 512 byte block */
 208                 if (blk_dwrite(mmc_get_blk_desc(mmc), blk_start, 1,
 209                                (unsigned char *)config_block) != 1) {
 210                         ret = -EIO;
 211                         goto out;
 212                 }
 213         }
 214
 215 out:
 216         /* Switch back to regular eMMC user partition */
 217         blk_select_hwpart_devnum(IF_TYPE_MMC, 0, 0);
 218
 219         return ret;
 220 }
 221 #endif
 222
 223 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
 224 static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
 225 {
 226         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 227         struct mtd_info *mtd = get_nand_dev_by_index(0);
 228
 229         if (!mtd)
 230                 return -ENODEV;
 231
 232         /* Read production parameter config block from NAND page */
 233         return nand_read_skip_bad(mtd, CONFIG_TDX_CFG_BLOCK_OFFSET,
 234                                   &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
 235                                   config_block);
 236 }
 237
 238 static int write_tdx_cfg_block_to_nand(unsigned char *config_block)
 239 {
 240         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 241
 242         /* Write production parameter config block to NAND page */
 243         return nand_write_skip_bad(get_nand_dev_by_index(0),
 244                                    CONFIG_TDX_CFG_BLOCK_OFFSET,
 245                                    &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
 246                                    config_block, WITH_WR_VERIFY);
 247 }
 248 #endif
 249
 250 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
 251 static int read_tdx_cfg_block_from_nor(unsigned char *config_block)
 252 {
 253         /* Read production parameter config block from NOR flash */
 254         memcpy(config_block, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET,
 255                TDX_CFG_BLOCK_MAX_SIZE);
 256         return 0;
 257 }
 258
 259 static int write_tdx_cfg_block_to_nor(unsigned char *config_block)
 260 {
 261         /* Write production parameter config block to NOR flash */
 262         return flash_write((void *)config_block, CONFIG_TDX_CFG_BLOCK_OFFSET,
 263                            TDX_CFG_BLOCK_MAX_SIZE);
 264 }
 265 #endif
 266
 267 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM
 268 static int read_tdx_cfg_block_from_eeprom(unsigned char *config_block)
 269 {
 270         return read_tdx_eeprom_data(TDX_EEPROM_ID_MODULE, 0x0, config_block,
 271                                     TDX_CFG_BLOCK_MAX_SIZE);
 272 }
 273
 274 static int write_tdx_cfg_block_to_eeprom(unsigned char *config_block)
 275 {
 276         return write_tdx_eeprom_data(TDX_EEPROM_ID_MODULE, 0x0, config_block,
 277                                      TDX_CFG_BLOCK_MAX_SIZE);
 278 }
 279 #endif
 280
 281 int read_tdx_cfg_block(void)
 282 {
 283         int ret = 0;
 284         u8 *config_block = NULL;
 285         struct toradex_tag *tag;
 286         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 287         int offset;
 288
 289         /* Allocate RAM area for config block */
 290         config_block = memalign(ARCH_DMA_MINALIGN, size);
 291         if (!config_block) {
 292                 printf("Not enough malloc space available!\n");
 293                 return -ENOMEM;
 294         }
 295
 296         memset(config_block, 0, size);
 297
 298 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 299         ret = tdx_cfg_block_mmc_storage(config_block, 0);
 300 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 301         ret = read_tdx_cfg_block_from_nand(config_block);
 302 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 303         ret = read_tdx_cfg_block_from_nor(config_block);
 304 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
 305         ret = read_tdx_cfg_block_from_eeprom(config_block);
 306 #else
 307         ret = -EINVAL;
 308 #endif
 309         if (ret)
 310                 goto out;
 311
 312         /* Expect a valid tag first */
 313         tag = (struct toradex_tag *)config_block;
 314         if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
 315                 valid_cfgblock = false;
 316                 ret = -EINVAL;
 317                 goto out;
 318         }
 319         valid_cfgblock = true;
 320         offset = 4;
 321
 322         /*
 323          * check if there is enough space for storing tag and value of the
 324          * biggest element
 325          */
 326         while (offset + sizeof(struct toradex_tag) +
 327                sizeof(struct toradex_hw) < TDX_CFG_BLOCK_MAX_SIZE) {
 328                 tag = (struct toradex_tag *)(config_block + offset);
 329                 offset += 4;
 330                 if (tag->id == TAG_INVALID)
 331                         break;
 332
 333                 if (tag->flags == TAG_FLAG_VALID) {
 334                         switch (tag->id) {
 335                         case TAG_MAC:
 336                                 memcpy(&tdx_eth_addr, config_block + offset,
 337                                        6);
 338
 339                                 /* NIC part of MAC address is serial number */
 340                                 tdx_serial = ntohl(tdx_eth_addr.nic) >> 8;
 341                                 break;
 342                         case TAG_HW:
 343                                 memcpy(&tdx_hw_tag, config_block + offset, 8);
 344                                 break;
 345                         }
 346                 }
 347
 348                 /* Get to next tag according to current tags length */
 349                 offset += tag->len * 4;
 350         }
 351
 352         /* Cap product id to avoid issues with a yet unknown one */
 353         if (tdx_hw_tag.prodid >= (sizeof(toradex_modules) /
 354                                   sizeof(toradex_modules[0])))
 355                 tdx_hw_tag.prodid = 0;
 356
 357 out:
 358         free(config_block);
 359         return ret;
 360 }
 361
 362 static int get_cfgblock_interactive(void)
 363 {
 364         char message[CONFIG_SYS_CBSIZE];
 365         char *soc;
 366         char it = 'n';
 367         char wb = 'n';
 368         int len = 0;
 369
 370         /* Unknown module by default */
 371         tdx_hw_tag.prodid = 0;
 372
 373         if (cpu_is_pxa27x())
 374                 sprintf(message, "Is the module the 312 MHz version? [y/N] ");
 375         else
 376                 sprintf(message, "Is the module an IT version? [y/N] ");
 377
 378         len = cli_readline(message);
 379         it = console_buffer[0];
 380
 381 #if defined(CONFIG_TARGET_APALIS_IMX8) || \
 382                 defined(CONFIG_TARGET_APALIS_IMX8X) || \
 383                 defined(CONFIG_TARGET_COLIBRI_IMX6ULL) || \
 384                 defined(CONFIG_TARGET_COLIBRI_IMX8X) || \
 385                 defined(CONFIG_TARGET_VERDIN_IMX8MM) || \
 386                 defined(CONFIG_TARGET_VERDIN_IMX8MP)
 387         sprintf(message, "Does the module have Wi-Fi / Bluetooth? [y/N] ");
 388         len = cli_readline(message);
 389         wb = console_buffer[0];
 390 #endif
 391
 392         soc = env_get("soc");
 393         if (!strcmp("mx6", soc)) {
 394 #ifdef CONFIG_TARGET_APALIS_IMX6
 395                 if (it == 'y' || it == 'Y') {
 396                         if (is_cpu_type(MXC_CPU_MX6Q))
 397                                 tdx_hw_tag.prodid = APALIS_IMX6Q_IT;
 398                         else
 399                                 tdx_hw_tag.prodid = APALIS_IMX6D_IT;
 400                 } else {
 401                         if (is_cpu_type(MXC_CPU_MX6Q))
 402                                 tdx_hw_tag.prodid = APALIS_IMX6Q;
 403                         else
 404                                 tdx_hw_tag.prodid = APALIS_IMX6D;
 405                 }
 406 #elif CONFIG_TARGET_COLIBRI_IMX6
 407                 if (it == 'y' || it == 'Y') {
 408                         if (is_cpu_type(MXC_CPU_MX6DL))
 409                                 tdx_hw_tag.prodid = COLIBRI_IMX6DL_IT;
 410                         else if (is_cpu_type(MXC_CPU_MX6SOLO))
 411                                 tdx_hw_tag.prodid = COLIBRI_IMX6S_IT;
 412                 } else {
 413                         if (is_cpu_type(MXC_CPU_MX6DL))
 414                                 tdx_hw_tag.prodid = COLIBRI_IMX6DL;
 415                         else if (is_cpu_type(MXC_CPU_MX6SOLO))
 416                                 tdx_hw_tag.prodid = COLIBRI_IMX6S;
 417                 }
 418 #elif CONFIG_TARGET_COLIBRI_IMX6ULL
 419                 if (it == 'y' || it == 'Y') {
 420                         if (wb == 'y' || wb == 'Y')
 421                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT_IT;
 422                         else
 423                                 if (gd->ram_size == 0x20000000)
 424                                         tdx_hw_tag.prodid = COLIBRI_IMX6ULL_IT;
 425                                 else
 426                                         tdx_hw_tag.prodid = COLIBRI_IMX6ULL_IT_EMMC;
 427                 } else {
 428                         if (wb == 'y' || wb == 'Y')
 429                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT;
 430                         else
 431                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL;
 432                 }
 433 #endif
 434         } else if (!strcmp("imx7d", soc))
 435                 if (gd->ram_size == 0x20000000)
 436                         tdx_hw_tag.prodid = COLIBRI_IMX7D;
 437                 else
 438                         tdx_hw_tag.prodid = COLIBRI_IMX7D_EMMC;
 439         else if (!strcmp("imx7s", soc))
 440                 tdx_hw_tag.prodid = COLIBRI_IMX7S;
 441         else if (is_cpu_type(MXC_CPU_IMX8QM)) {
 442                 if (it == 'y' || it == 'Y') {
 443                         if (wb == 'y' || wb == 'Y')
 444                                 tdx_hw_tag.prodid = APALIS_IMX8QM_WIFI_BT_IT;
 445                         else
 446                                 tdx_hw_tag.prodid = APALIS_IMX8QM_IT;
 447                 } else {
 448                         if (wb == 'y' || wb == 'Y')
 449                                 tdx_hw_tag.prodid = APALIS_IMX8QP_WIFI_BT;
 450                         else
 451                                 tdx_hw_tag.prodid = APALIS_IMX8QP;
 452                 }
 453         } else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
 454 #ifdef CONFIG_TARGET_APALIS_IMX8X
 455                 if (it == 'y' || it == 'Y' || wb == 'y' || wb == 'Y') {
 456                                 tdx_hw_tag.prodid = APALIS_IMX8QXP_WIFI_BT_IT;
 457                 } else {
 458                         if (gd->ram_size == 0x40000000)
 459                                 tdx_hw_tag.prodid = APALIS_IMX8DXP;
 460                         else
 461                                 tdx_hw_tag.prodid = APALIS_IMX8QXP;
 462                 }
 463 #elif CONFIG_TARGET_COLIBRI_IMX8X
 464                 if (it == 'y' || it == 'Y') {
 465                         if (wb == 'y' || wb == 'Y')
 466                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_WIFI_BT_IT;
 467                         else
 468                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_IT;
 469                 } else {
 470                         if (wb == 'y' || wb == 'Y')
 471                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX_WIFI_BT;
 472                         else
 473                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX;
 474                 }
 475 #endif
 476         } else if (is_cpu_type(MXC_CPU_IMX8MMDL)) {
 477                 if (wb == 'y' || wb == 'Y')
 478                         tdx_hw_tag.prodid = VERDIN_IMX8MMDL_WIFI_BT_IT;
 479                 else
 480                         tdx_hw_tag.prodid = VERDIN_IMX8MMDL;
 481         } else if (is_cpu_type(MXC_CPU_IMX8MM)) {
 482                 if (wb == 'y' || wb == 'Y')
 483                         tdx_hw_tag.prodid = VERDIN_IMX8MMQ_WIFI_BT_IT;
 484                 else
 485                         tdx_hw_tag.prodid = VERDIN_IMX8MMQ_IT;
 486         } else if (is_cpu_type(MXC_CPU_IMX8MN)) {
 487                 tdx_hw_tag.prodid = VERDIN_IMX8MNQ_WIFI_BT;
 488         } else if (is_cpu_type(MXC_CPU_IMX8MPL)) {
 489                 tdx_hw_tag.prodid = VERDIN_IMX8MPQL_IT;
 490         } else if (is_cpu_type(MXC_CPU_IMX8MP)) {
 491                 if (wb == 'y' || wb == 'Y')
 492                         if (gd->ram_size == 0x80000000)
 493                                 tdx_hw_tag.prodid = VERDIN_IMX8MPQ_2GB_WIFI_BT_IT;
 494                         else if (gd->ram_size == 0x200000000)
 495                                 tdx_hw_tag.prodid = VERDIN_IMX8MPQ_8GB_WIFI_BT;
 496                         else
 497                                 tdx_hw_tag.prodid = VERDIN_IMX8MPQ_WIFI_BT_IT;
 498                 else
 499                         if (it == 'y' || it == 'Y')
 500                                 tdx_hw_tag.prodid = VERDIN_IMX8MPQ_IT;
 501                         else
 502                                 tdx_hw_tag.prodid = VERDIN_IMX8MPQ;
 503         } else if (!strcmp("tegra20", soc)) {
 504                 if (it == 'y' || it == 'Y')
 505                         if (gd->ram_size == 0x10000000)
 506                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
 507                         else
 508                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
 509                 else
 510                         if (gd->ram_size == 0x10000000)
 511                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB;
 512                         else
 513                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB;
 514         } else if (cpu_is_pxa27x()) {
 515                 if (it == 'y' || it == 'Y')
 516                         tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
 517                 else
 518                         tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
 519         }
 520 #if defined(CONFIG_TARGET_APALIS_T30) || defined(CONFIG_TARGET_COLIBRI_T30)
 521         else if (!strcmp("tegra30", soc)) {
 522 #ifdef CONFIG_TARGET_APALIS_T30
 523                 if (it == 'y' || it == 'Y')
 524                         tdx_hw_tag.prodid = APALIS_T30_IT;
 525                 else
 526                         if (gd->ram_size == 0x40000000)
 527                                 tdx_hw_tag.prodid = APALIS_T30_1GB;
 528                         else
 529                                 tdx_hw_tag.prodid = APALIS_T30_2GB;
 530 #else
 531                 if (it == 'y' || it == 'Y')
 532                         tdx_hw_tag.prodid = COLIBRI_T30_IT;
 533                 else
 534                         tdx_hw_tag.prodid = COLIBRI_T30;
 535 #endif
 536         }
 537 #endif /* CONFIG_TARGET_APALIS_T30 || CONFIG_TARGET_COLIBRI_T30 */
 538         else if (!strcmp("tegra124", soc)) {
 539                 tdx_hw_tag.prodid = APALIS_TK1_2GB;
 540         } else if (!strcmp("vf500", soc)) {
 541                 if (it == 'y' || it == 'Y')
 542                         tdx_hw_tag.prodid = COLIBRI_VF50_IT;
 543                 else
 544                         tdx_hw_tag.prodid = COLIBRI_VF50;
 545         } else if (!strcmp("vf610", soc)) {
 546                 if (it == 'y' || it == 'Y')
 547                         tdx_hw_tag.prodid = COLIBRI_VF61_IT;
 548                 else
 549                         tdx_hw_tag.prodid = COLIBRI_VF61;
 550         }
 551
 552         if (!tdx_hw_tag.prodid) {
 553                 printf("Module type not detectable due to unknown SoC\n");
 554                 return -1;
 555         }
 556
 557         while (len < 4) {
 558                 sprintf(message, "Enter the module version (e.g. V1.1B): V");
 559                 len = cli_readline(message);
 560         }
 561
 562         tdx_hw_tag.ver_major = console_buffer[0] - '0';
 563         tdx_hw_tag.ver_minor = console_buffer[2] - '0';
 564         tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
 565
 566         if (cpu_is_pxa27x() && tdx_hw_tag.ver_major == 1)
 567                 tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
 568                                        COLIBRI_PXA270_V1_312MHZ);
 569
 570         while (len < 8) {
 571                 sprintf(message, "Enter module serial number: ");
 572                 len = cli_readline(message);
 573         }
 574
 575         tdx_serial = dectoul(console_buffer, NULL);
 576
 577         return 0;
 578 }
 579
 580 static int get_cfgblock_barcode(char *barcode, struct toradex_hw *tag,
 581                                 u32 *serial)
 582 {
 583         char revision[3] = {barcode[6], barcode[7], '\0'};
 584
 585         if (strlen(barcode) < 16) {
 586                 printf("Argument too short, barcode is 16 chars long\n");
 587                 return -1;
 588         }
 589
 590         /* Get hardware information from the first 8 digits */
 591         tag->ver_major = barcode[4] - '0';
 592         tag->ver_minor = barcode[5] - '0';
 593         tag->ver_assembly = dectoul(revision, NULL);
 594
 595         barcode[4] = '\0';
 596         tag->prodid = dectoul(barcode, NULL);
 597
 598         /* Parse second part of the barcode (serial number */
 599         barcode += 8;
 600         *serial = dectoul(barcode, NULL);
 601
 602         return 0;
 603 }
 604
 605 static int write_tag(u8 *config_block, int *offset, int tag_id,
 606                      u8 *tag_data, size_t tag_data_size)
 607 {
 608         struct toradex_tag *tag;
 609
 610         if (!offset || !config_block)
 611                 return -EINVAL;
 612
 613         tag = (struct toradex_tag *)(config_block + *offset);
 614         tag->id = tag_id;
 615         tag->flags = TAG_FLAG_VALID;
 616         /* len is provided as number of 32bit values after the tag */
 617         tag->len = (tag_data_size + sizeof(u32) - 1) / sizeof(u32);
 618         *offset += sizeof(struct toradex_tag);
 619         if (tag_data && tag_data_size) {
 620                 memcpy(config_block + *offset, tag_data,
 621                        tag_data_size);
 622                 *offset += tag_data_size;
 623         }
 624
 625         return 0;
 626 }
 627
 628 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
 629 int read_tdx_cfg_block_carrier(void)
 630 {
 631         int ret = 0;
 632         u8 *config_block = NULL;
 633         struct toradex_tag *tag;
 634         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 635         int offset;
 636
 637         /* Allocate RAM area for carrier config block */
 638         config_block = memalign(ARCH_DMA_MINALIGN, size);
 639         if (!config_block) {
 640                 printf("Not enough malloc space available!\n");
 641                 return -ENOMEM;
 642         }
 643
 644         memset(config_block, 0, size);
 645
 646         ret = read_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 647                                    size);
 648         if (ret)
 649                 return ret;
 650
 651         /* Expect a valid tag first */
 652         tag = (struct toradex_tag *)config_block;
 653         if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
 654                 valid_cfgblock_carrier = false;
 655                 ret = -EINVAL;
 656                 goto out;
 657         }
 658         valid_cfgblock_carrier = true;
 659         offset = 4;
 660
 661         while (offset + sizeof(struct toradex_tag) +
 662                sizeof(struct toradex_hw) < TDX_CFG_BLOCK_MAX_SIZE) {
 663                 tag = (struct toradex_tag *)(config_block + offset);
 664                 offset += 4;
 665                 if (tag->id == TAG_INVALID)
 666                         break;
 667
 668                 if (tag->flags == TAG_FLAG_VALID) {
 669                         switch (tag->id) {
 670                         case TAG_CAR_SERIAL:
 671                                 memcpy(&tdx_car_serial, config_block + offset,
 672                                        sizeof(tdx_car_serial));
 673                                 break;
 674                         case TAG_HW:
 675                                 memcpy(&tdx_car_hw_tag, config_block +
 676                                        offset, 8);
 677                                 break;
 678                         }
 679                 }
 680
 681                 /* Get to next tag according to current tags length */
 682                 offset += tag->len * 4;
 683         }
 684 out:
 685         free(config_block);
 686         return ret;
 687 }
 688
 689 int check_pid8_sanity(char *pid8)
 690 {
 691         char s_carrierid_verdin_dev[5];
 692         char s_carrierid_dahlia[5];
 693
 694         sprintf(s_carrierid_verdin_dev, "0%d", VERDIN_DEVELOPMENT_BOARD);
 695         sprintf(s_carrierid_dahlia, "0%d", DAHLIA);
 696
 697         /* sane value check, first 4 chars which represent carrier id */
 698         if (!strncmp(pid8, s_carrierid_verdin_dev, 4))
 699                 return 0;
 700
 701         if (!strncmp(pid8, s_carrierid_dahlia, 4))
 702                 return 0;
 703
 704         return -EINVAL;
 705 }
 706
 707 int try_migrate_tdx_cfg_block_carrier(void)
 708 {
 709         char pid8[8];
 710         int offset = 0;
 711         int ret = CMD_RET_SUCCESS;
 712         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 713         u8 *config_block;
 714
 715         memset(pid8, 0x0, 8);
 716         ret = read_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, (u8 *)pid8, 8);
 717         if (ret)
 718                 return ret;
 719
 720         if (check_pid8_sanity(pid8))
 721                 return -EINVAL;
 722
 723         /* Allocate RAM area for config block */
 724         config_block = memalign(ARCH_DMA_MINALIGN, size);
 725         if (!config_block) {
 726                 printf("Not enough malloc space available!\n");
 727                 return CMD_RET_FAILURE;
 728         }
 729
 730         memset(config_block, 0xff, size);
 731         /* we try parse PID8 concatenating zeroed serial number */
 732         tdx_car_hw_tag.ver_major = pid8[4] - '0';
 733         tdx_car_hw_tag.ver_minor = pid8[5] - '0';
 734         tdx_car_hw_tag.ver_assembly = pid8[7] - '0';
 735
 736         pid8[4] = '\0';
 737         tdx_car_hw_tag.prodid = dectoul(pid8, NULL);
 738
 739         /* Valid Tag */
 740         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 741
 742         /* Product Tag */
 743         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_car_hw_tag,
 744                   sizeof(tdx_car_hw_tag));
 745
 746         /* Serial Tag */
 747         write_tag(config_block, &offset, TAG_CAR_SERIAL, (u8 *)&tdx_car_serial,
 748                   sizeof(tdx_car_serial));
 749
 750         memset(config_block + offset, 0, 32 - offset);
 751         ret = write_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 752                                     size);
 753         if (ret) {
 754                 printf("Failed to write Toradex Extra config block: %d\n",
 755                        ret);
 756                 ret = CMD_RET_FAILURE;
 757                 goto out;
 758         }
 759
 760         printf("Successfully migrated to Toradex Config Block from PID8\n");
 761
 762 out:
 763         free(config_block);
 764         return ret;
 765 }
 766
 767 static int get_cfgblock_carrier_interactive(void)
 768 {
 769         char message[CONFIG_SYS_CBSIZE];
 770         int len;
 771
 772         printf("Supported carrier boards:\n");
 773         printf("CARRIER BOARD NAME\t\t [ID]\n");
 774         for (int i = 0; i < sizeof(toradex_carrier_boards) /
 775                             sizeof(toradex_carrier_boards[0]); i++)
 776                 if (toradex_carrier_boards[i])
 777                         printf("%s \t\t [%d]\n", toradex_carrier_boards[i], i);
 778
 779         sprintf(message, "Choose your carrier board (provide ID): ");
 780         len = cli_readline(message);
 781         tdx_car_hw_tag.prodid = dectoul(console_buffer, NULL);
 782
 783         do {
 784                 sprintf(message, "Enter carrier board version (e.g. V1.1B): V");
 785                 len = cli_readline(message);
 786         } while (len < 4);
 787
 788         tdx_car_hw_tag.ver_major = console_buffer[0] - '0';
 789         tdx_car_hw_tag.ver_minor = console_buffer[2] - '0';
 790         tdx_car_hw_tag.ver_assembly = console_buffer[3] - 'A';
 791
 792         while (len < 8) {
 793                 sprintf(message, "Enter carrier board serial number: ");
 794                 len = cli_readline(message);
 795         }
 796
 797         tdx_car_serial = dectoul(console_buffer, NULL);
 798
 799         return 0;
 800 }
 801
 802 static int do_cfgblock_carrier_create(struct cmd_tbl *cmdtp, int flag, int argc,
 803                                       char * const argv[])
 804 {
 805         u8 *config_block;
 806         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 807         int offset = 0;
 808         int ret = CMD_RET_SUCCESS;
 809         int err;
 810         int force_overwrite = 0;
 811
 812         if (argc >= 3) {
 813                 if (argv[2][0] == '-' && argv[2][1] == 'y')
 814                         force_overwrite = 1;
 815         }
 816
 817         /* Allocate RAM area for config block */
 818         config_block = memalign(ARCH_DMA_MINALIGN, size);
 819         if (!config_block) {
 820                 printf("Not enough malloc space available!\n");
 821                 return CMD_RET_FAILURE;
 822         }
 823
 824         memset(config_block, 0xff, size);
 825         read_tdx_cfg_block_carrier();
 826         if (valid_cfgblock_carrier && !force_overwrite) {
 827                 char message[CONFIG_SYS_CBSIZE];
 828
 829                 sprintf(message, "A valid Toradex Carrier config block is present, still recreate? [y/N] ");
 830
 831                 if (!cli_readline(message))
 832                         goto out;
 833
 834                 if (console_buffer[0] != 'y' &&
 835                     console_buffer[0] != 'Y')
 836                         goto out;
 837         }
 838
 839         if (argc < 3 || (force_overwrite && argc < 4)) {
 840                 err = get_cfgblock_carrier_interactive();
 841         } else {
 842                 if (force_overwrite)
 843                         err = get_cfgblock_barcode(argv[3], &tdx_car_hw_tag,
 844                                                    &tdx_car_serial);
 845                 else
 846                         err = get_cfgblock_barcode(argv[2], &tdx_car_hw_tag,
 847                                                    &tdx_car_serial);
 848         }
 849
 850         if (err) {
 851                 ret = CMD_RET_FAILURE;
 852                 goto out;
 853         }
 854
 855         /* Valid Tag */
 856         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 857
 858         /* Product Tag */
 859         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_car_hw_tag,
 860                   sizeof(tdx_car_hw_tag));
 861
 862         /* Serial Tag */
 863         write_tag(config_block, &offset, TAG_CAR_SERIAL, (u8 *)&tdx_car_serial,
 864                   sizeof(tdx_car_serial));
 865
 866         memset(config_block + offset, 0, 32 - offset);
 867         err = write_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 868                                     size);
 869         if (err) {
 870                 printf("Failed to write Toradex Extra config block: %d\n",
 871                        ret);
 872                 ret = CMD_RET_FAILURE;
 873                 goto out;
 874         }
 875
 876         printf("Toradex Extra config block successfully written\n");
 877
 878 out:
 879         free(config_block);
 880         return ret;
 881 }
 882
 883 #endif /* CONFIG_TDX_CFG_BLOCK_EXTRA */
 884
 885 static int do_cfgblock_create(struct cmd_tbl *cmdtp, int flag, int argc,
 886                               char * const argv[])
 887 {
 888         u8 *config_block;
 889         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 890         int offset = 0;
 891         int ret = CMD_RET_SUCCESS;
 892         int err;
 893         int force_overwrite = 0;
 894
 895         if (argc >= 3) {
 896 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
 897                 if (!strcmp(argv[2], "carrier"))
 898                         return do_cfgblock_carrier_create(cmdtp, flag,
 899                                                           --argc, ++argv);
 900 #endif /* CONFIG_TDX_CFG_BLOCK_EXTRA */
 901                 if (argv[2][0] == '-' && argv[2][1] == 'y')
 902                         force_overwrite = 1;
 903         }
 904
 905         /* Allocate RAM area for config block */
 906         config_block = memalign(ARCH_DMA_MINALIGN, size);
 907         if (!config_block) {
 908                 printf("Not enough malloc space available!\n");
 909                 return CMD_RET_FAILURE;
 910         }
 911
 912         memset(config_block, 0xff, size);
 913
 914         read_tdx_cfg_block();
 915         if (valid_cfgblock) {
 916 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 917                 /*
 918                  * On NAND devices, recreation is only allowed if the page is
 919                  * empty (config block invalid...)
 920                  */
 921                 printf("NAND erase block %d need to be erased before creating a Toradex config block\n",
 922                        CONFIG_TDX_CFG_BLOCK_OFFSET /
 923                        get_nand_dev_by_index(0)->erasesize);
 924                 goto out;
 925 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 926                 /*
 927                  * On NOR devices, recreation is only allowed if the sector is
 928                  * empty and write protection is off (config block invalid...)
 929                  */
 930                 printf("NOR sector at offset 0x%02x need to be erased and unprotected before creating a Toradex config block\n",
 931                        CONFIG_TDX_CFG_BLOCK_OFFSET);
 932                 goto out;
 933 #else
 934                 if (!force_overwrite) {
 935                         char message[CONFIG_SYS_CBSIZE];
 936
 937                         sprintf(message,
 938                                 "A valid Toradex config block is present, still recreate? [y/N] ");
 939
 940                         if (!cli_readline(message))
 941                                 goto out;
 942
 943                         if (console_buffer[0] != 'y' &&
 944                             console_buffer[0] != 'Y')
 945                                 goto out;
 946                 }
 947 #endif
 948         }
 949
 950         /* Parse new Toradex config block data... */
 951         if (argc < 3 || (force_overwrite && argc < 4)) {
 952                 err = get_cfgblock_interactive();
 953         } else {
 954                 if (force_overwrite)
 955                         err = get_cfgblock_barcode(argv[3], &tdx_hw_tag,
 956                                                    &tdx_serial);
 957                 else
 958                         err = get_cfgblock_barcode(argv[2], &tdx_hw_tag,
 959                                                    &tdx_serial);
 960         }
 961         if (err) {
 962                 ret = CMD_RET_FAILURE;
 963                 goto out;
 964         }
 965
 966         /* Convert serial number to MAC address (the storage format) */
 967         tdx_eth_addr.oui = htonl(0x00142dUL << 8);
 968         tdx_eth_addr.nic = htonl(tdx_serial << 8);
 969
 970         /* Valid Tag */
 971         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 972
 973         /* Product Tag */
 974         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_hw_tag,
 975                   sizeof(tdx_hw_tag));
 976
 977         /* MAC Tag */
 978         write_tag(config_block, &offset, TAG_MAC, (u8 *)&tdx_eth_addr,
 979                   sizeof(tdx_eth_addr));
 980
 981         memset(config_block + offset, 0, 32 - offset);
 982 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 983         err = tdx_cfg_block_mmc_storage(config_block, 1);
 984 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 985         err = write_tdx_cfg_block_to_nand(config_block);
 986 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 987         err = write_tdx_cfg_block_to_nor(config_block);
 988 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
 989         err = write_tdx_cfg_block_to_eeprom(config_block);
 990 #else
 991         err = -EINVAL;
 992 #endif
 993         if (err) {
 994                 printf("Failed to write Toradex config block: %d\n", ret);
 995                 ret = CMD_RET_FAILURE;
 996                 goto out;
 997         }
 998
 999         printf("Toradex config block successfully written\n");
1000
1001 out:
1002         free(config_block);
1003         return ret;
1004 }
1005
1006 static int do_cfgblock(struct cmd_tbl *cmdtp, int flag, int argc,
1007                        char *const argv[])
1008 {
1009         int ret;
1010
1011         if (argc < 2)
1012                 return CMD_RET_USAGE;
1013
1014         if (!strcmp(argv[1], "create")) {
1015                 return do_cfgblock_create(cmdtp, flag, argc, argv);
1016         } else if (!strcmp(argv[1], "reload")) {
1017                 ret = read_tdx_cfg_block();
1018                 if (ret) {
1019                         printf("Failed to reload Toradex config block: %d\n",
1020                                ret);
1021                         return CMD_RET_FAILURE;
1022                 }
1023                 return CMD_RET_SUCCESS;
1024         }
1025
1026         return CMD_RET_USAGE;
1027 }
1028
1029 U_BOOT_CMD(
1030         cfgblock, 5, 0, do_cfgblock,
1031         "Toradex config block handling commands",
1032         "create [-y] [barcode] - (Re-)create Toradex config block\n"
1033         "create carrier [-y] [barcode] - (Re-)create Toradex Carrier config block\n"
1034         "cfgblock reload - Reload Toradex config block from flash"
1035 );