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_COLIBRI_IMX6) || \
  17         defined(CONFIG_TARGET_COLIBRI_IMX8X) || \
  18         defined(CONFIG_TARGET_VERDIN_IMX8MM) || \
  19         defined(CONFIG_TARGET_VERDIN_IMX8MN) || \
  20         defined(CONFIG_TARGET_VERDIN_IMX8MP)
  21 #include <asm/arch/sys_proto.h>
  22 #else
  23 #define is_cpu_type(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_CAR_SERIAL  0x0021
  39 #define TAG_HW          0x0008
  40 #define TAG_INVALID     0xffff
  41
  42 #define TAG_FLAG_VALID  0x1
  43
  44 #define TDX_EEPROM_ID_MODULE            0
  45 #define TDX_EEPROM_ID_CARRIER           1
  46
  47 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
  48 #define TDX_CFG_BLOCK_MAX_SIZE 512
  49 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
  50 #define TDX_CFG_BLOCK_MAX_SIZE 64
  51 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
  52 #define TDX_CFG_BLOCK_MAX_SIZE 64
  53 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
  54 #define TDX_CFG_BLOCK_MAX_SIZE 64
  55 #else
  56 #error Toradex config block location not set
  57 #endif
  58
  59 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
  60 #define TDX_CFG_BLOCK_EXTRA_MAX_SIZE 64
  61 #endif
  62
  63 struct toradex_tag {
  64         u32 len:14;
  65         u32 flags:2;
  66         u32 id:16;
  67 };
  68
  69 bool valid_cfgblock;
  70 struct toradex_hw tdx_hw_tag;
  71 struct toradex_eth_addr tdx_eth_addr;
  72 u32 tdx_serial;
  73 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
  74 u32 tdx_car_serial;
  75 bool valid_cfgblock_carrier;
  76 struct toradex_hw tdx_car_hw_tag;
  77 #endif
  78
  79 const char * const toradex_modules[] = {
  80          [0] = "UNKNOWN MODULE",
  81          [1] = "Colibri PXA270 312MHz",
  82          [2] = "Colibri PXA270 520MHz",
  83          [3] = "Colibri PXA320 806MHz",
  84          [4] = "Colibri PXA300 208MHz",
  85          [5] = "Colibri PXA310 624MHz",
  86          [6] = "Colibri PXA320 806MHz IT",
  87          [7] = "Colibri PXA300 208MHz XT",
  88          [8] = "Colibri PXA270 312MHz",
  89          [9] = "Colibri PXA270 520MHz",
  90         [10] = "Colibri VF50 128MB", /* not currently on sale */
  91         [11] = "Colibri VF61 256MB",
  92         [12] = "Colibri VF61 256MB IT",
  93         [13] = "Colibri VF50 128MB IT",
  94         [14] = "Colibri iMX6 Solo 256MB",
  95         [15] = "Colibri iMX6 DualLite 512MB",
  96         [16] = "Colibri iMX6 Solo 256MB IT",
  97         [17] = "Colibri iMX6 DualLite 512MB IT",
  98         [18] = "UNKNOWN MODULE",
  99         [19] = "UNKNOWN MODULE",
 100         [20] = "Colibri T20 256MB",
 101         [21] = "Colibri T20 512MB",
 102         [22] = "Colibri T20 512MB IT",
 103         [23] = "Colibri T30 1GB",
 104         [24] = "Colibri T20 256MB IT",
 105         [25] = "Apalis T30 2GB",
 106         [26] = "Apalis T30 1GB",
 107         [27] = "Apalis iMX6 Quad 1GB",
 108         [28] = "Apalis iMX6 Quad 2GB IT",
 109         [29] = "Apalis iMX6 Dual 512MB",
 110         [30] = "Colibri T30 1GB IT",
 111         [31] = "Apalis T30 1GB IT",
 112         [32] = "Colibri iMX7 Solo 256MB",
 113         [33] = "Colibri iMX7 Dual 512MB",
 114         [34] = "Apalis TK1 2GB",
 115         [35] = "Apalis iMX6 Dual 1GB IT",
 116         [36] = "Colibri iMX6ULL 256MB",
 117         [37] = "Apalis iMX8 QuadMax 4GB Wi-Fi / BT IT",
 118         [38] = "Colibri iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
 119         [39] = "Colibri iMX7 Dual 1GB (eMMC)",
 120         [40] = "Colibri iMX6ULL 512MB Wi-Fi / BT IT",
 121         [41] = "Colibri iMX7 Dual 512MB EPDC",
 122         [42] = "Apalis TK1 4GB",
 123         [43] = "Colibri T20 512MB IT SETEK",
 124         [44] = "Colibri iMX6ULL 512MB IT",
 125         [45] = "Colibri iMX6ULL 512MB Wi-Fi / Bluetooth",
 126         [46] = "Apalis iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
 127         [47] = "Apalis iMX8 QuadMax 4GB IT",
 128         [48] = "Apalis iMX8 QuadPlus 2GB Wi-Fi / BT",
 129         [49] = "Apalis iMX8 QuadPlus 2GB",
 130         [50] = "Colibri iMX8 QuadXPlus 2GB IT",
 131         [51] = "Colibri iMX8 DualX 1GB Wi-Fi / Bluetooth",
 132         [52] = "Colibri iMX8 DualX 1GB",
 133         [53] = "Apalis iMX8 QuadXPlus 2GB ECC IT",
 134         [54] = "Apalis iMX8 DualXPlus 1GB",
 135         [55] = "Verdin iMX8M Mini Quad 2GB Wi-Fi / BT IT",
 136         [56] = "Verdin iMX8M Nano Quad 1GB Wi-Fi / BT", /* not currently on sale */
 137         [57] = "Verdin iMX8M Mini DualLite 1GB",
 138         [58] = "Verdin iMX8M Plus Quad 4GB Wi-Fi / BT IT",
 139         [59] = "Verdin iMX8M Mini Quad 2GB IT",
 140         [60] = "Verdin iMX8M Mini DualLite 1GB WB IT",
 141         [61] = "Verdin iMX8M Plus Quad 2GB",
 142         [62] = "Colibri iMX6ULL 1GB IT (eMMC)",
 143         [63] = "Verdin iMX8M Plus Quad 4GB IT",
 144         [64] = "Verdin iMX8M Plus Quad 2GB Wi-Fi / BT IT",
 145         [65] = "Verdin iMX8M Plus QuadLite 1GB IT",
 146         [66] = "Verdin iMX8M Plus Quad 8GB Wi-Fi / BT",
 147         [67] = "Apalis iMX8 QuadMax 8GB Wi-Fi / BT IT",
 148 };
 149
 150 const char * const toradex_carrier_boards[] = {
 151         [0] = "UNKNOWN CARRIER BOARD",
 152         [155] = "Dahlia",
 153         [156] = "Verdin Development Board",
 154 };
 155
 156 const char * const toradex_display_adapters[] = {
 157         [0] = "UNKNOWN DISPLAY ADAPTER",
 158         [157] = "Verdin DSI to HDMI Adapter",
 159         [159] = "Verdin DSI to LVDS Adapter",
 160 };
 161
 162 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
 163 static int tdx_cfg_block_mmc_storage(u8 *config_block, int write)
 164 {
 165         struct mmc *mmc;
 166         int dev = CONFIG_TDX_CFG_BLOCK_DEV;
 167         int offset = CONFIG_TDX_CFG_BLOCK_OFFSET;
 168         uint part = CONFIG_TDX_CFG_BLOCK_PART;
 169         uint blk_start;
 170         int ret = 0;
 171
 172         /* Read production parameter config block from eMMC */
 173         mmc = find_mmc_device(dev);
 174         if (!mmc) {
 175                 puts("No MMC card found\n");
 176                 ret = -ENODEV;
 177                 goto out;
 178         }
 179         if (mmc_init(mmc)) {
 180                 puts("MMC init failed\n");
 181                 return -EINVAL;
 182         }
 183         if (part != mmc_get_blk_desc(mmc)->hwpart) {
 184                 if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) {
 185                         puts("MMC partition switch failed\n");
 186                         ret = -ENODEV;
 187                         goto out;
 188                 }
 189         }
 190         if (offset < 0)
 191                 offset += mmc->capacity;
 192         blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;
 193
 194         if (!write) {
 195                 /* Careful reads a whole block of 512 bytes into config_block */
 196                 if (blk_dread(mmc_get_blk_desc(mmc), blk_start, 1,
 197                               (unsigned char *)config_block) != 1) {
 198                         ret = -EIO;
 199                         goto out;
 200                 }
 201         } else {
 202                 /* Just writing one 512 byte block */
 203                 if (blk_dwrite(mmc_get_blk_desc(mmc), blk_start, 1,
 204                                (unsigned char *)config_block) != 1) {
 205                         ret = -EIO;
 206                         goto out;
 207                 }
 208         }
 209
 210 out:
 211         /* Switch back to regular eMMC user partition */
 212         blk_select_hwpart_devnum(IF_TYPE_MMC, 0, 0);
 213
 214         return ret;
 215 }
 216 #endif
 217
 218 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
 219 static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
 220 {
 221         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 222         struct mtd_info *mtd = get_nand_dev_by_index(0);
 223
 224         if (!mtd)
 225                 return -ENODEV;
 226
 227         /* Read production parameter config block from NAND page */
 228         return nand_read_skip_bad(mtd, CONFIG_TDX_CFG_BLOCK_OFFSET,
 229                                   &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
 230                                   config_block);
 231 }
 232
 233 static int write_tdx_cfg_block_to_nand(unsigned char *config_block)
 234 {
 235         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 236
 237         /* Write production parameter config block to NAND page */
 238         return nand_write_skip_bad(get_nand_dev_by_index(0),
 239                                    CONFIG_TDX_CFG_BLOCK_OFFSET,
 240                                    &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
 241                                    config_block, WITH_WR_VERIFY);
 242 }
 243 #endif
 244
 245 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
 246 static int read_tdx_cfg_block_from_nor(unsigned char *config_block)
 247 {
 248         /* Read production parameter config block from NOR flash */
 249         memcpy(config_block, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET,
 250                TDX_CFG_BLOCK_MAX_SIZE);
 251         return 0;
 252 }
 253
 254 static int write_tdx_cfg_block_to_nor(unsigned char *config_block)
 255 {
 256         /* Write production parameter config block to NOR flash */
 257         return flash_write((void *)config_block, CONFIG_TDX_CFG_BLOCK_OFFSET,
 258                            TDX_CFG_BLOCK_MAX_SIZE);
 259 }
 260 #endif
 261
 262 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM
 263 static int read_tdx_cfg_block_from_eeprom(unsigned char *config_block)
 264 {
 265         return read_tdx_eeprom_data(TDX_EEPROM_ID_MODULE, 0x0, config_block,
 266                                     TDX_CFG_BLOCK_MAX_SIZE);
 267 }
 268
 269 static int write_tdx_cfg_block_to_eeprom(unsigned char *config_block)
 270 {
 271         return write_tdx_eeprom_data(TDX_EEPROM_ID_MODULE, 0x0, config_block,
 272                                      TDX_CFG_BLOCK_MAX_SIZE);
 273 }
 274 #endif
 275
 276 int read_tdx_cfg_block(void)
 277 {
 278         int ret = 0;
 279         u8 *config_block = NULL;
 280         struct toradex_tag *tag;
 281         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 282         int offset;
 283
 284         /* Allocate RAM area for config block */
 285         config_block = memalign(ARCH_DMA_MINALIGN, size);
 286         if (!config_block) {
 287                 printf("Not enough malloc space available!\n");
 288                 return -ENOMEM;
 289         }
 290
 291         memset(config_block, 0, size);
 292
 293 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 294         ret = tdx_cfg_block_mmc_storage(config_block, 0);
 295 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 296         ret = read_tdx_cfg_block_from_nand(config_block);
 297 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 298         ret = read_tdx_cfg_block_from_nor(config_block);
 299 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
 300         ret = read_tdx_cfg_block_from_eeprom(config_block);
 301 #else
 302         ret = -EINVAL;
 303 #endif
 304         if (ret)
 305                 goto out;
 306
 307         /* Expect a valid tag first */
 308         tag = (struct toradex_tag *)config_block;
 309         if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
 310                 valid_cfgblock = false;
 311                 ret = -EINVAL;
 312                 goto out;
 313         }
 314         valid_cfgblock = true;
 315         offset = 4;
 316
 317         /*
 318          * check if there is enough space for storing tag and value of the
 319          * biggest element
 320          */
 321         while (offset + sizeof(struct toradex_tag) +
 322                sizeof(struct toradex_hw) < TDX_CFG_BLOCK_MAX_SIZE) {
 323                 tag = (struct toradex_tag *)(config_block + offset);
 324                 offset += 4;
 325                 if (tag->id == TAG_INVALID)
 326                         break;
 327
 328                 if (tag->flags == TAG_FLAG_VALID) {
 329                         switch (tag->id) {
 330                         case TAG_MAC:
 331                                 memcpy(&tdx_eth_addr, config_block + offset,
 332                                        6);
 333
 334                                 /* NIC part of MAC address is serial number */
 335                                 tdx_serial = ntohl(tdx_eth_addr.nic) >> 8;
 336                                 break;
 337                         case TAG_HW:
 338                                 memcpy(&tdx_hw_tag, config_block + offset, 8);
 339                                 break;
 340                         }
 341                 }
 342
 343                 /* Get to next tag according to current tags length */
 344                 offset += tag->len * 4;
 345         }
 346
 347         /* Cap product id to avoid issues with a yet unknown one */
 348         if (tdx_hw_tag.prodid >= (sizeof(toradex_modules) /
 349                                   sizeof(toradex_modules[0])))
 350                 tdx_hw_tag.prodid = 0;
 351
 352 out:
 353         free(config_block);
 354         return ret;
 355 }
 356
 357 static int get_cfgblock_interactive(void)
 358 {
 359         char message[CONFIG_SYS_CBSIZE];
 360         char *soc;
 361         char it = 'n';
 362         char wb = 'n';
 363         char mem8g = 'n';
 364         int len = 0;
 365
 366         /* Unknown module by default */
 367         tdx_hw_tag.prodid = 0;
 368
 369         sprintf(message, "Is the module an IT version? [y/N] ");
 370
 371         len = cli_readline(message);
 372         it = console_buffer[0];
 373
 374 #if defined(CONFIG_TARGET_APALIS_IMX8) || \
 375                 defined(CONFIG_TARGET_COLIBRI_IMX6ULL) || \
 376                 defined(CONFIG_TARGET_COLIBRI_IMX8X) || \
 377                 defined(CONFIG_TARGET_VERDIN_IMX8MM) || \
 378                 defined(CONFIG_TARGET_VERDIN_IMX8MP)
 379         sprintf(message, "Does the module have Wi-Fi / Bluetooth? [y/N] ");
 380         len = cli_readline(message);
 381         wb = console_buffer[0];
 382
 383 #if defined(CONFIG_TARGET_APALIS_IMX8)
 384         if ((wb == 'y' || wb == 'Y') && (it == 'y' || it == 'Y')) {
 385                 sprintf(message, "Does your module have 8GB of RAM? [y/N] ");
 386                 len = cli_readline(message);
 387                 mem8g = console_buffer[0];
 388         }
 389 #endif
 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                                 if (mem8g == 'y' || mem8g == 'Y')
 445                                         tdx_hw_tag.prodid = APALIS_IMX8QM_8GB_WIFI_BT_IT;
 446                                 else
 447                                         tdx_hw_tag.prodid = APALIS_IMX8QM_WIFI_BT_IT;
 448                         }
 449                         else
 450                                 tdx_hw_tag.prodid = APALIS_IMX8QM_IT;
 451                 } else {
 452                         if (wb == 'y' || wb == 'Y')
 453                                 tdx_hw_tag.prodid = APALIS_IMX8QP_WIFI_BT;
 454                         else
 455                                 tdx_hw_tag.prodid = APALIS_IMX8QP;
 456                 }
 457         } else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
 458 #ifdef CONFIG_TARGET_COLIBRI_IMX8X
 459                 if (it == 'y' || it == 'Y') {
 460                         if (wb == 'y' || wb == 'Y')
 461                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_WIFI_BT_IT;
 462                         else
 463                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_IT;
 464                 } else {
 465                         if (wb == 'y' || wb == 'Y')
 466                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX_WIFI_BT;
 467                         else
 468                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX;
 469                 }
 470 #endif
 471         } else if (is_cpu_type(MXC_CPU_IMX8MMDL)) {
 472                 if (wb == 'y' || wb == 'Y')
 473                         tdx_hw_tag.prodid = VERDIN_IMX8MMDL_WIFI_BT_IT;
 474                 else
 475                         tdx_hw_tag.prodid = VERDIN_IMX8MMDL;
 476         } else if (is_cpu_type(MXC_CPU_IMX8MM)) {
 477                 if (wb == 'y' || wb == 'Y')
 478                         tdx_hw_tag.prodid = VERDIN_IMX8MMQ_WIFI_BT_IT;
 479                 else
 480                         tdx_hw_tag.prodid = VERDIN_IMX8MMQ_IT;
 481         } else if (is_cpu_type(MXC_CPU_IMX8MN)) {
 482                 tdx_hw_tag.prodid = VERDIN_IMX8MNQ_WIFI_BT;
 483         } else if (is_cpu_type(MXC_CPU_IMX8MPL)) {
 484                 tdx_hw_tag.prodid = VERDIN_IMX8MPQL_IT;
 485         } else if (is_cpu_type(MXC_CPU_IMX8MP)) {
 486                 if (wb == 'y' || wb == 'Y')
 487                         if (gd->ram_size == 0x80000000)
 488                                 tdx_hw_tag.prodid = VERDIN_IMX8MPQ_2GB_WIFI_BT_IT;
 489                         else if (gd->ram_size == 0x200000000)
 490                                 tdx_hw_tag.prodid = VERDIN_IMX8MPQ_8GB_WIFI_BT;
 491                         else
 492                                 tdx_hw_tag.prodid = VERDIN_IMX8MPQ_WIFI_BT_IT;
 493                 else
 494                         if (it == 'y' || it == 'Y')
 495                                 tdx_hw_tag.prodid = VERDIN_IMX8MPQ_IT;
 496                         else
 497                                 tdx_hw_tag.prodid = VERDIN_IMX8MPQ;
 498         } else if (!strcmp("tegra20", soc)) {
 499                 if (it == 'y' || it == 'Y')
 500                         if (gd->ram_size == 0x10000000)
 501                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
 502                         else
 503                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
 504                 else
 505                         if (gd->ram_size == 0x10000000)
 506                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB;
 507                         else
 508                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB;
 509         }
 510 #if defined(CONFIG_TARGET_APALIS_T30) || defined(CONFIG_TARGET_COLIBRI_T30)
 511         else if (!strcmp("tegra30", soc)) {
 512 #ifdef CONFIG_TARGET_APALIS_T30
 513                 if (it == 'y' || it == 'Y')
 514                         tdx_hw_tag.prodid = APALIS_T30_IT;
 515                 else
 516                         if (gd->ram_size == 0x40000000)
 517                                 tdx_hw_tag.prodid = APALIS_T30_1GB;
 518                         else
 519                                 tdx_hw_tag.prodid = APALIS_T30_2GB;
 520 #else
 521                 if (it == 'y' || it == 'Y')
 522                         tdx_hw_tag.prodid = COLIBRI_T30_IT;
 523                 else
 524                         tdx_hw_tag.prodid = COLIBRI_T30;
 525 #endif
 526         }
 527 #endif /* CONFIG_TARGET_APALIS_T30 || CONFIG_TARGET_COLIBRI_T30 */
 528         else if (!strcmp("tegra124", soc)) {
 529                 tdx_hw_tag.prodid = APALIS_TK1_2GB;
 530         } else if (!strcmp("vf500", soc)) {
 531                 if (it == 'y' || it == 'Y')
 532                         tdx_hw_tag.prodid = COLIBRI_VF50_IT;
 533                 else
 534                         tdx_hw_tag.prodid = COLIBRI_VF50;
 535         } else if (!strcmp("vf610", soc)) {
 536                 if (it == 'y' || it == 'Y')
 537                         tdx_hw_tag.prodid = COLIBRI_VF61_IT;
 538                 else
 539                         tdx_hw_tag.prodid = COLIBRI_VF61;
 540         }
 541
 542         if (!tdx_hw_tag.prodid) {
 543                 printf("Module type not detectable due to unknown SoC\n");
 544                 return -1;
 545         }
 546
 547         while (len < 4) {
 548                 sprintf(message, "Enter the module version (e.g. V1.1B): V");
 549                 len = cli_readline(message);
 550         }
 551
 552         tdx_hw_tag.ver_major = console_buffer[0] - '0';
 553         tdx_hw_tag.ver_minor = console_buffer[2] - '0';
 554         tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
 555
 556         while (len < 8) {
 557                 sprintf(message, "Enter module serial number: ");
 558                 len = cli_readline(message);
 559         }
 560
 561         tdx_serial = dectoul(console_buffer, NULL);
 562
 563         return 0;
 564 }
 565
 566 static int get_cfgblock_barcode(char *barcode, struct toradex_hw *tag,
 567                                 u32 *serial)
 568 {
 569         char revision[3] = {barcode[6], barcode[7], '\0'};
 570
 571         if (strlen(barcode) < 16) {
 572                 printf("Argument too short, barcode is 16 chars long\n");
 573                 return -1;
 574         }
 575
 576         /* Get hardware information from the first 8 digits */
 577         tag->ver_major = barcode[4] - '0';
 578         tag->ver_minor = barcode[5] - '0';
 579         tag->ver_assembly = dectoul(revision, NULL);
 580
 581         barcode[4] = '\0';
 582         tag->prodid = dectoul(barcode, NULL);
 583
 584         /* Parse second part of the barcode (serial number */
 585         barcode += 8;
 586         *serial = dectoul(barcode, NULL);
 587
 588         return 0;
 589 }
 590
 591 static int write_tag(u8 *config_block, int *offset, int tag_id,
 592                      u8 *tag_data, size_t tag_data_size)
 593 {
 594         struct toradex_tag *tag;
 595
 596         if (!offset || !config_block)
 597                 return -EINVAL;
 598
 599         tag = (struct toradex_tag *)(config_block + *offset);
 600         tag->id = tag_id;
 601         tag->flags = TAG_FLAG_VALID;
 602         /* len is provided as number of 32bit values after the tag */
 603         tag->len = (tag_data_size + sizeof(u32) - 1) / sizeof(u32);
 604         *offset += sizeof(struct toradex_tag);
 605         if (tag_data && tag_data_size) {
 606                 memcpy(config_block + *offset, tag_data,
 607                        tag_data_size);
 608                 *offset += tag_data_size;
 609         }
 610
 611         return 0;
 612 }
 613
 614 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
 615 int read_tdx_cfg_block_carrier(void)
 616 {
 617         int ret = 0;
 618         u8 *config_block = NULL;
 619         struct toradex_tag *tag;
 620         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 621         int offset;
 622
 623         /* Allocate RAM area for carrier config block */
 624         config_block = memalign(ARCH_DMA_MINALIGN, size);
 625         if (!config_block) {
 626                 printf("Not enough malloc space available!\n");
 627                 return -ENOMEM;
 628         }
 629
 630         memset(config_block, 0, size);
 631
 632         ret = read_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 633                                    size);
 634         if (ret)
 635                 return ret;
 636
 637         /* Expect a valid tag first */
 638         tag = (struct toradex_tag *)config_block;
 639         if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
 640                 valid_cfgblock_carrier = false;
 641                 ret = -EINVAL;
 642                 goto out;
 643         }
 644         valid_cfgblock_carrier = true;
 645         offset = 4;
 646
 647         while (offset + sizeof(struct toradex_tag) +
 648                sizeof(struct toradex_hw) < TDX_CFG_BLOCK_MAX_SIZE) {
 649                 tag = (struct toradex_tag *)(config_block + offset);
 650                 offset += 4;
 651                 if (tag->id == TAG_INVALID)
 652                         break;
 653
 654                 if (tag->flags == TAG_FLAG_VALID) {
 655                         switch (tag->id) {
 656                         case TAG_CAR_SERIAL:
 657                                 memcpy(&tdx_car_serial, config_block + offset,
 658                                        sizeof(tdx_car_serial));
 659                                 break;
 660                         case TAG_HW:
 661                                 memcpy(&tdx_car_hw_tag, config_block +
 662                                        offset, 8);
 663                                 break;
 664                         }
 665                 }
 666
 667                 /* Get to next tag according to current tags length */
 668                 offset += tag->len * 4;
 669         }
 670 out:
 671         free(config_block);
 672         return ret;
 673 }
 674
 675 int check_pid8_sanity(char *pid8)
 676 {
 677         char s_carrierid_verdin_dev[5];
 678         char s_carrierid_dahlia[5];
 679
 680         sprintf(s_carrierid_verdin_dev, "0%d", VERDIN_DEVELOPMENT_BOARD);
 681         sprintf(s_carrierid_dahlia, "0%d", DAHLIA);
 682
 683         /* sane value check, first 4 chars which represent carrier id */
 684         if (!strncmp(pid8, s_carrierid_verdin_dev, 4))
 685                 return 0;
 686
 687         if (!strncmp(pid8, s_carrierid_dahlia, 4))
 688                 return 0;
 689
 690         return -EINVAL;
 691 }
 692
 693 int try_migrate_tdx_cfg_block_carrier(void)
 694 {
 695         char pid8[8];
 696         int offset = 0;
 697         int ret = CMD_RET_SUCCESS;
 698         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 699         u8 *config_block;
 700
 701         memset(pid8, 0x0, 8);
 702         ret = read_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, (u8 *)pid8, 8);
 703         if (ret)
 704                 return ret;
 705
 706         if (check_pid8_sanity(pid8))
 707                 return -EINVAL;
 708
 709         /* Allocate RAM area for config block */
 710         config_block = memalign(ARCH_DMA_MINALIGN, size);
 711         if (!config_block) {
 712                 printf("Not enough malloc space available!\n");
 713                 return CMD_RET_FAILURE;
 714         }
 715
 716         memset(config_block, 0xff, size);
 717         /* we try parse PID8 concatenating zeroed serial number */
 718         tdx_car_hw_tag.ver_major = pid8[4] - '0';
 719         tdx_car_hw_tag.ver_minor = pid8[5] - '0';
 720         tdx_car_hw_tag.ver_assembly = pid8[7] - '0';
 721
 722         pid8[4] = '\0';
 723         tdx_car_hw_tag.prodid = dectoul(pid8, NULL);
 724
 725         /* Valid Tag */
 726         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 727
 728         /* Product Tag */
 729         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_car_hw_tag,
 730                   sizeof(tdx_car_hw_tag));
 731
 732         /* Serial Tag */
 733         write_tag(config_block, &offset, TAG_CAR_SERIAL, (u8 *)&tdx_car_serial,
 734                   sizeof(tdx_car_serial));
 735
 736         memset(config_block + offset, 0, 32 - offset);
 737         ret = write_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 738                                     size);
 739         if (ret) {
 740                 printf("Failed to write Toradex Extra config block: %d\n",
 741                        ret);
 742                 ret = CMD_RET_FAILURE;
 743                 goto out;
 744         }
 745
 746         printf("Successfully migrated to Toradex Config Block from PID8\n");
 747
 748 out:
 749         free(config_block);
 750         return ret;
 751 }
 752
 753 static int get_cfgblock_carrier_interactive(void)
 754 {
 755         char message[CONFIG_SYS_CBSIZE];
 756         int len;
 757
 758         printf("Supported carrier boards:\n");
 759         printf("CARRIER BOARD NAME\t\t [ID]\n");
 760         for (int i = 0; i < sizeof(toradex_carrier_boards) /
 761                             sizeof(toradex_carrier_boards[0]); i++)
 762                 if (toradex_carrier_boards[i])
 763                         printf("%s \t\t [%d]\n", toradex_carrier_boards[i], i);
 764
 765         sprintf(message, "Choose your carrier board (provide ID): ");
 766         len = cli_readline(message);
 767         tdx_car_hw_tag.prodid = dectoul(console_buffer, NULL);
 768
 769         do {
 770                 sprintf(message, "Enter carrier board version (e.g. V1.1B): V");
 771                 len = cli_readline(message);
 772         } while (len < 4);
 773
 774         tdx_car_hw_tag.ver_major = console_buffer[0] - '0';
 775         tdx_car_hw_tag.ver_minor = console_buffer[2] - '0';
 776         tdx_car_hw_tag.ver_assembly = console_buffer[3] - 'A';
 777
 778         while (len < 8) {
 779                 sprintf(message, "Enter carrier board serial number: ");
 780                 len = cli_readline(message);
 781         }
 782
 783         tdx_car_serial = dectoul(console_buffer, NULL);
 784
 785         return 0;
 786 }
 787
 788 static int do_cfgblock_carrier_create(struct cmd_tbl *cmdtp, int flag, int argc,
 789                                       char * const argv[])
 790 {
 791         u8 *config_block;
 792         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 793         int offset = 0;
 794         int ret = CMD_RET_SUCCESS;
 795         int err;
 796         int force_overwrite = 0;
 797
 798         if (argc >= 3) {
 799                 if (argv[2][0] == '-' && argv[2][1] == 'y')
 800                         force_overwrite = 1;
 801         }
 802
 803         /* Allocate RAM area for config block */
 804         config_block = memalign(ARCH_DMA_MINALIGN, size);
 805         if (!config_block) {
 806                 printf("Not enough malloc space available!\n");
 807                 return CMD_RET_FAILURE;
 808         }
 809
 810         memset(config_block, 0xff, size);
 811         read_tdx_cfg_block_carrier();
 812         if (valid_cfgblock_carrier && !force_overwrite) {
 813                 char message[CONFIG_SYS_CBSIZE];
 814
 815                 sprintf(message, "A valid Toradex Carrier config block is present, still recreate? [y/N] ");
 816
 817                 if (!cli_readline(message))
 818                         goto out;
 819
 820                 if (console_buffer[0] != 'y' &&
 821                     console_buffer[0] != 'Y')
 822                         goto out;
 823         }
 824
 825         if (argc < 3 || (force_overwrite && argc < 4)) {
 826                 err = get_cfgblock_carrier_interactive();
 827         } else {
 828                 if (force_overwrite)
 829                         err = get_cfgblock_barcode(argv[3], &tdx_car_hw_tag,
 830                                                    &tdx_car_serial);
 831                 else
 832                         err = get_cfgblock_barcode(argv[2], &tdx_car_hw_tag,
 833                                                    &tdx_car_serial);
 834         }
 835
 836         if (err) {
 837                 ret = CMD_RET_FAILURE;
 838                 goto out;
 839         }
 840
 841         /* Valid Tag */
 842         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 843
 844         /* Product Tag */
 845         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_car_hw_tag,
 846                   sizeof(tdx_car_hw_tag));
 847
 848         /* Serial Tag */
 849         write_tag(config_block, &offset, TAG_CAR_SERIAL, (u8 *)&tdx_car_serial,
 850                   sizeof(tdx_car_serial));
 851
 852         memset(config_block + offset, 0, 32 - offset);
 853         err = write_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 854                                     size);
 855         if (err) {
 856                 printf("Failed to write Toradex Extra config block: %d\n",
 857                        ret);
 858                 ret = CMD_RET_FAILURE;
 859                 goto out;
 860         }
 861
 862         printf("Toradex Extra config block successfully written\n");
 863
 864 out:
 865         free(config_block);
 866         return ret;
 867 }
 868
 869 #endif /* CONFIG_TDX_CFG_BLOCK_EXTRA */
 870
 871 static int do_cfgblock_create(struct cmd_tbl *cmdtp, int flag, int argc,
 872                               char * const argv[])
 873 {
 874         u8 *config_block;
 875         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 876         int offset = 0;
 877         int ret = CMD_RET_SUCCESS;
 878         int err;
 879         int force_overwrite = 0;
 880
 881         if (argc >= 3) {
 882 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
 883                 if (!strcmp(argv[2], "carrier"))
 884                         return do_cfgblock_carrier_create(cmdtp, flag,
 885                                                           --argc, ++argv);
 886 #endif /* CONFIG_TDX_CFG_BLOCK_EXTRA */
 887                 if (argv[2][0] == '-' && argv[2][1] == 'y')
 888                         force_overwrite = 1;
 889         }
 890
 891         /* Allocate RAM area for config block */
 892         config_block = memalign(ARCH_DMA_MINALIGN, size);
 893         if (!config_block) {
 894                 printf("Not enough malloc space available!\n");
 895                 return CMD_RET_FAILURE;
 896         }
 897
 898         memset(config_block, 0xff, size);
 899
 900         read_tdx_cfg_block();
 901         if (valid_cfgblock) {
 902 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 903                 /*
 904                  * On NAND devices, recreation is only allowed if the page is
 905                  * empty (config block invalid...)
 906                  */
 907                 printf("NAND erase block %d need to be erased before creating a Toradex config block\n",
 908                        CONFIG_TDX_CFG_BLOCK_OFFSET /
 909                        get_nand_dev_by_index(0)->erasesize);
 910                 goto out;
 911 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 912                 /*
 913                  * On NOR devices, recreation is only allowed if the sector is
 914                  * empty and write protection is off (config block invalid...)
 915                  */
 916                 printf("NOR sector at offset 0x%02x need to be erased and unprotected before creating a Toradex config block\n",
 917                        CONFIG_TDX_CFG_BLOCK_OFFSET);
 918                 goto out;
 919 #else
 920                 if (!force_overwrite) {
 921                         char message[CONFIG_SYS_CBSIZE];
 922
 923                         sprintf(message,
 924                                 "A valid Toradex config block is present, still recreate? [y/N] ");
 925
 926                         if (!cli_readline(message))
 927                                 goto out;
 928
 929                         if (console_buffer[0] != 'y' &&
 930                             console_buffer[0] != 'Y')
 931                                 goto out;
 932                 }
 933 #endif
 934         }
 935
 936         /* Parse new Toradex config block data... */
 937         if (argc < 3 || (force_overwrite && argc < 4)) {
 938                 err = get_cfgblock_interactive();
 939         } else {
 940                 if (force_overwrite)
 941                         err = get_cfgblock_barcode(argv[3], &tdx_hw_tag,
 942                                                    &tdx_serial);
 943                 else
 944                         err = get_cfgblock_barcode(argv[2], &tdx_hw_tag,
 945                                                    &tdx_serial);
 946         }
 947         if (err) {
 948                 ret = CMD_RET_FAILURE;
 949                 goto out;
 950         }
 951
 952         /* Convert serial number to MAC address (the storage format) */
 953         tdx_eth_addr.oui = htonl(0x00142dUL << 8);
 954         tdx_eth_addr.nic = htonl(tdx_serial << 8);
 955
 956         /* Valid Tag */
 957         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 958
 959         /* Product Tag */
 960         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_hw_tag,
 961                   sizeof(tdx_hw_tag));
 962
 963         /* MAC Tag */
 964         write_tag(config_block, &offset, TAG_MAC, (u8 *)&tdx_eth_addr,
 965                   sizeof(tdx_eth_addr));
 966
 967         memset(config_block + offset, 0, 32 - offset);
 968 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 969         err = tdx_cfg_block_mmc_storage(config_block, 1);
 970 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 971         err = write_tdx_cfg_block_to_nand(config_block);
 972 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 973         err = write_tdx_cfg_block_to_nor(config_block);
 974 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
 975         err = write_tdx_cfg_block_to_eeprom(config_block);
 976 #else
 977         err = -EINVAL;
 978 #endif
 979         if (err) {
 980                 printf("Failed to write Toradex config block: %d\n", ret);
 981                 ret = CMD_RET_FAILURE;
 982                 goto out;
 983         }
 984
 985         printf("Toradex config block successfully written\n");
 986
 987 out:
 988         free(config_block);
 989         return ret;
 990 }
 991
 992 static int do_cfgblock(struct cmd_tbl *cmdtp, int flag, int argc,
 993                        char *const argv[])
 994 {
 995         int ret;
 996
 997         if (argc < 2)
 998                 return CMD_RET_USAGE;
 999
1000         if (!strcmp(argv[1], "create")) {
1001                 return do_cfgblock_create(cmdtp, flag, argc, argv);
1002         } else if (!strcmp(argv[1], "reload")) {
1003                 ret = read_tdx_cfg_block();
1004                 if (ret) {
1005                         printf("Failed to reload Toradex config block: %d\n",
1006                                ret);
1007                         return CMD_RET_FAILURE;
1008                 }
1009                 return CMD_RET_SUCCESS;
1010         }
1011
1012         return CMD_RET_USAGE;
1013 }
1014
1015 U_BOOT_CMD(
1016         cfgblock, 5, 0, do_cfgblock,
1017         "Toradex config block handling commands",
1018         "create [-y] [barcode] - (Re-)create Toradex config block\n"
1019         "create carrier [-y] [barcode] - (Re-)create Toradex Carrier config block\n"
1020         "cfgblock reload - Reload Toradex config block from flash"
1021 );