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 };
 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         int len = 0;
 364
 365         /* Unknown module by default */
 366         tdx_hw_tag.prodid = 0;
 367
 368         if (cpu_is_pxa27x())
 369                 sprintf(message, "Is the module the 312 MHz version? [y/N] ");
 370         else
 371                 it = 'y';
 372
 373 #if defined(CONFIG_TARGET_APALIS_IMX8) || \
 374                 defined(CONFIG_TARGET_APALIS_IMX8X) || \
 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 #endif
 383
 384         soc = env_get("soc");
 385         if (!strcmp("mx6", soc)) {
 386 #ifdef CONFIG_TARGET_APALIS_IMX6
 387                 if (it == 'y' || it == 'Y') {
 388                         if (is_cpu_type(MXC_CPU_MX6Q))
 389                                 tdx_hw_tag.prodid = APALIS_IMX6Q_IT;
 390                         else
 391                                 tdx_hw_tag.prodid = APALIS_IMX6D_IT;
 392                 } else {
 393                         if (is_cpu_type(MXC_CPU_MX6Q))
 394                                 tdx_hw_tag.prodid = APALIS_IMX6Q;
 395                         else
 396                                 tdx_hw_tag.prodid = APALIS_IMX6D;
 397                 }
 398 #elif CONFIG_TARGET_COLIBRI_IMX6
 399                 if (it == 'y' || it == 'Y') {
 400                         if (is_cpu_type(MXC_CPU_MX6DL))
 401                                 tdx_hw_tag.prodid = COLIBRI_IMX6DL_IT;
 402                         else if (is_cpu_type(MXC_CPU_MX6SOLO))
 403                                 tdx_hw_tag.prodid = COLIBRI_IMX6S_IT;
 404                 } else {
 405                         if (is_cpu_type(MXC_CPU_MX6DL))
 406                                 tdx_hw_tag.prodid = COLIBRI_IMX6DL;
 407                         else if (is_cpu_type(MXC_CPU_MX6SOLO))
 408                                 tdx_hw_tag.prodid = COLIBRI_IMX6S;
 409                 }
 410 #elif CONFIG_TARGET_COLIBRI_IMX6ULL
 411                 if (it == 'y' || it == 'Y') {
 412                         if (wb == 'y' || wb == 'Y')
 413                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT_IT;
 414                         else
 415                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_IT;
 416                 } else {
 417                         if (wb == 'y' || wb == 'Y')
 418                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT;
 419                         else
 420                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL;
 421                 }
 422 #endif
 423         } else if (!strcmp("imx7d", soc))
 424                 tdx_hw_tag.prodid = COLIBRI_IMX7D;
 425         else if (!strcmp("imx7s", soc))
 426                 tdx_hw_tag.prodid = COLIBRI_IMX7S;
 427         else if (is_cpu_type(MXC_CPU_IMX8QM)) {
 428                 if (it == 'y' || it == 'Y') {
 429                         if (wb == 'y' || wb == 'Y')
 430                                 tdx_hw_tag.prodid = APALIS_IMX8QM_WIFI_BT_IT;
 431                         else
 432                                 tdx_hw_tag.prodid = APALIS_IMX8QM_IT;
 433                 } else {
 434                         if (wb == 'y' || wb == 'Y')
 435                                 tdx_hw_tag.prodid = APALIS_IMX8QP_WIFI_BT;
 436                         else
 437                                 tdx_hw_tag.prodid = APALIS_IMX8QP;
 438                 }
 439         } else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
 440 #ifdef CONFIG_TARGET_APALIS_IMX8X
 441                 if (it == 'y' || it == 'Y' || wb == 'y' || wb == 'Y') {
 442                                 tdx_hw_tag.prodid = APALIS_IMX8QXP_WIFI_BT_IT;
 443                 } else {
 444                         if (gd->ram_size == 0x40000000)
 445                                 tdx_hw_tag.prodid = APALIS_IMX8DXP;
 446                         else
 447                                 tdx_hw_tag.prodid = APALIS_IMX8QXP;
 448                 }
 449 #elif CONFIG_TARGET_COLIBRI_IMX8X
 450                 if (it == 'y' || it == 'Y') {
 451                         if (wb == 'y' || wb == 'Y')
 452                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_WIFI_BT_IT;
 453                         else
 454                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_IT;
 455                 } else {
 456                         if (wb == 'y' || wb == 'Y')
 457                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX_WIFI_BT;
 458                         else
 459                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX;
 460                 }
 461 #endif
 462         } else if (is_cpu_type(MXC_CPU_IMX8MMDL)) {
 463                 if (wb == 'y' || wb == 'Y')
 464                         tdx_hw_tag.prodid = VERDIN_IMX8MMDL_WIFI_BT_IT;
 465                 else
 466                         tdx_hw_tag.prodid = VERDIN_IMX8MMDL;
 467         } else if (is_cpu_type(MXC_CPU_IMX8MM)) {
 468                 if (wb == 'y' || wb == 'Y')
 469                         tdx_hw_tag.prodid = VERDIN_IMX8MMQ_WIFI_BT_IT;
 470                 else
 471                         tdx_hw_tag.prodid = VERDIN_IMX8MMQ_IT;
 472         } else if (is_cpu_type(MXC_CPU_IMX8MN)) {
 473                 tdx_hw_tag.prodid = VERDIN_IMX8MNQ_WIFI_BT;
 474         } else if (is_cpu_type(MXC_CPU_IMX8MP)) {
 475                 if (wb == 'y' || wb == 'Y')
 476                         tdx_hw_tag.prodid = VERDIN_IMX8MPQ_WIFI_BT_IT;
 477                 else
 478                         tdx_hw_tag.prodid = VERDIN_IMX8MPQ;
 479         } else if (!strcmp("tegra20", soc)) {
 480                 if (it == 'y' || it == 'Y')
 481                         if (gd->ram_size == 0x10000000)
 482                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
 483                         else
 484                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
 485                 else
 486                         if (gd->ram_size == 0x10000000)
 487                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB;
 488                         else
 489                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB;
 490         } else if (cpu_is_pxa27x()) {
 491                 if (it == 'y' || it == 'Y')
 492                         tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
 493                 else
 494                         tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
 495         }
 496 #if defined(CONFIG_TARGET_APALIS_T30) || defined(CONFIG_TARGET_COLIBRI_T30)
 497         else if (!strcmp("tegra30", soc)) {
 498 #ifdef CONFIG_TARGET_APALIS_T30
 499                 if (it == 'y' || it == 'Y')
 500                         tdx_hw_tag.prodid = APALIS_T30_IT;
 501                 else
 502                         if (gd->ram_size == 0x40000000)
 503                                 tdx_hw_tag.prodid = APALIS_T30_1GB;
 504                         else
 505                                 tdx_hw_tag.prodid = APALIS_T30_2GB;
 506 #else
 507                 if (it == 'y' || it == 'Y')
 508                         tdx_hw_tag.prodid = COLIBRI_T30_IT;
 509                 else
 510                         tdx_hw_tag.prodid = COLIBRI_T30;
 511 #endif
 512         }
 513 #endif /* CONFIG_TARGET_APALIS_T30 || CONFIG_TARGET_COLIBRI_T30 */
 514         else if (!strcmp("tegra124", soc)) {
 515                 tdx_hw_tag.prodid = APALIS_TK1_2GB;
 516         } else if (!strcmp("vf500", soc)) {
 517                 if (it == 'y' || it == 'Y')
 518                         tdx_hw_tag.prodid = COLIBRI_VF50_IT;
 519                 else
 520                         tdx_hw_tag.prodid = COLIBRI_VF50;
 521         } else if (!strcmp("vf610", soc)) {
 522                 if (it == 'y' || it == 'Y')
 523                         tdx_hw_tag.prodid = COLIBRI_VF61_IT;
 524                 else
 525                         tdx_hw_tag.prodid = COLIBRI_VF61;
 526         }
 527
 528         if (!tdx_hw_tag.prodid) {
 529                 printf("Module type not detectable due to unknown SoC\n");
 530                 return -1;
 531         }
 532
 533         while (len < 4) {
 534                 sprintf(message, "Enter the module version (e.g. V1.1B): V");
 535                 len = cli_readline(message);
 536         }
 537
 538         tdx_hw_tag.ver_major = console_buffer[0] - '0';
 539         tdx_hw_tag.ver_minor = console_buffer[2] - '0';
 540         tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
 541
 542         if (cpu_is_pxa27x() && tdx_hw_tag.ver_major == 1)
 543                 tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
 544                                        COLIBRI_PXA270_V1_312MHZ);
 545
 546         while (len < 8) {
 547                 sprintf(message, "Enter module serial number: ");
 548                 len = cli_readline(message);
 549         }
 550
 551         tdx_serial = dectoul(console_buffer, NULL);
 552
 553         return 0;
 554 }
 555
 556 static int get_cfgblock_barcode(char *barcode, struct toradex_hw *tag,
 557                                 u32 *serial)
 558 {
 559         char revision[3] = {barcode[6], barcode[7], '\0'};
 560
 561         if (strlen(barcode) < 16) {
 562                 printf("Argument too short, barcode is 16 chars long\n");
 563                 return -1;
 564         }
 565
 566         /* Get hardware information from the first 8 digits */
 567         tag->ver_major = barcode[4] - '0';
 568         tag->ver_minor = barcode[5] - '0';
 569         tag->ver_assembly = dectoul(revision, NULL);
 570
 571         barcode[4] = '\0';
 572         tag->prodid = dectoul(barcode, NULL);
 573
 574         /* Parse second part of the barcode (serial number */
 575         barcode += 8;
 576         *serial = dectoul(barcode, NULL);
 577
 578         return 0;
 579 }
 580
 581 static int write_tag(u8 *config_block, int *offset, int tag_id,
 582                      u8 *tag_data, size_t tag_data_size)
 583 {
 584         struct toradex_tag *tag;
 585
 586         if (!offset || !config_block)
 587                 return -EINVAL;
 588
 589         tag = (struct toradex_tag *)(config_block + *offset);
 590         tag->id = tag_id;
 591         tag->flags = TAG_FLAG_VALID;
 592         /* len is provided as number of 32bit values after the tag */
 593         tag->len = (tag_data_size + sizeof(u32) - 1) / sizeof(u32);
 594         *offset += sizeof(struct toradex_tag);
 595         if (tag_data && tag_data_size) {
 596                 memcpy(config_block + *offset, tag_data,
 597                        tag_data_size);
 598                 *offset += tag_data_size;
 599         }
 600
 601         return 0;
 602 }
 603
 604 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
 605 int read_tdx_cfg_block_carrier(void)
 606 {
 607         int ret = 0;
 608         u8 *config_block = NULL;
 609         struct toradex_tag *tag;
 610         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 611         int offset;
 612
 613         /* Allocate RAM area for carrier config block */
 614         config_block = memalign(ARCH_DMA_MINALIGN, size);
 615         if (!config_block) {
 616                 printf("Not enough malloc space available!\n");
 617                 return -ENOMEM;
 618         }
 619
 620         memset(config_block, 0, size);
 621
 622         ret = read_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 623                                    size);
 624         if (ret)
 625                 return ret;
 626
 627         /* Expect a valid tag first */
 628         tag = (struct toradex_tag *)config_block;
 629         if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
 630                 valid_cfgblock_carrier = false;
 631                 ret = -EINVAL;
 632                 goto out;
 633         }
 634         valid_cfgblock_carrier = true;
 635         offset = 4;
 636
 637         while (offset + sizeof(struct toradex_tag) +
 638                sizeof(struct toradex_hw) < TDX_CFG_BLOCK_MAX_SIZE) {
 639                 tag = (struct toradex_tag *)(config_block + offset);
 640                 offset += 4;
 641                 if (tag->id == TAG_INVALID)
 642                         break;
 643
 644                 if (tag->flags == TAG_FLAG_VALID) {
 645                         switch (tag->id) {
 646                         case TAG_CAR_SERIAL:
 647                                 memcpy(&tdx_car_serial, config_block + offset,
 648                                        sizeof(tdx_car_serial));
 649                                 break;
 650                         case TAG_HW:
 651                                 memcpy(&tdx_car_hw_tag, config_block +
 652                                        offset, 8);
 653                                 break;
 654                         }
 655                 }
 656
 657                 /* Get to next tag according to current tags length */
 658                 offset += tag->len * 4;
 659         }
 660 out:
 661         free(config_block);
 662         return ret;
 663 }
 664
 665 int check_pid8_sanity(char *pid8)
 666 {
 667         char s_carrierid_verdin_dev[5];
 668         char s_carrierid_dahlia[5];
 669
 670         sprintf(s_carrierid_verdin_dev, "0%d", VERDIN_DEVELOPMENT_BOARD);
 671         sprintf(s_carrierid_dahlia, "0%d", DAHLIA);
 672
 673         /* sane value check, first 4 chars which represent carrier id */
 674         if (!strncmp(pid8, s_carrierid_verdin_dev, 4))
 675                 return 0;
 676
 677         if (!strncmp(pid8, s_carrierid_dahlia, 4))
 678                 return 0;
 679
 680         return -EINVAL;
 681 }
 682
 683 int try_migrate_tdx_cfg_block_carrier(void)
 684 {
 685         char pid8[8];
 686         int offset = 0;
 687         int ret = CMD_RET_SUCCESS;
 688         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 689         u8 *config_block;
 690
 691         memset(pid8, 0x0, 8);
 692         ret = read_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, (u8 *)pid8, 8);
 693         if (ret)
 694                 return ret;
 695
 696         if (check_pid8_sanity(pid8))
 697                 return -EINVAL;
 698
 699         /* Allocate RAM area for config block */
 700         config_block = memalign(ARCH_DMA_MINALIGN, size);
 701         if (!config_block) {
 702                 printf("Not enough malloc space available!\n");
 703                 return CMD_RET_FAILURE;
 704         }
 705
 706         memset(config_block, 0xff, size);
 707         /* we try parse PID8 concatenating zeroed serial number */
 708         tdx_car_hw_tag.ver_major = pid8[4] - '0';
 709         tdx_car_hw_tag.ver_minor = pid8[5] - '0';
 710         tdx_car_hw_tag.ver_assembly = pid8[7] - '0';
 711
 712         pid8[4] = '\0';
 713         tdx_car_hw_tag.prodid = dectoul(pid8, NULL);
 714
 715         /* Valid Tag */
 716         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 717
 718         /* Product Tag */
 719         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_car_hw_tag,
 720                   sizeof(tdx_car_hw_tag));
 721
 722         /* Serial Tag */
 723         write_tag(config_block, &offset, TAG_CAR_SERIAL, (u8 *)&tdx_car_serial,
 724                   sizeof(tdx_car_serial));
 725
 726         memset(config_block + offset, 0, 32 - offset);
 727         ret = write_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 728                                     size);
 729         if (ret) {
 730                 printf("Failed to write Toradex Extra config block: %d\n",
 731                        ret);
 732                 ret = CMD_RET_FAILURE;
 733                 goto out;
 734         }
 735
 736         printf("Successfully migrated to Toradex Config Block from PID8\n");
 737
 738 out:
 739         free(config_block);
 740         return ret;
 741 }
 742
 743 static int get_cfgblock_carrier_interactive(void)
 744 {
 745         char message[CONFIG_SYS_CBSIZE];
 746         int len;
 747
 748         printf("Supported carrier boards:\n");
 749         printf("CARRIER BOARD NAME\t\t [ID]\n");
 750         for (int i = 0; i < sizeof(toradex_carrier_boards) /
 751                             sizeof(toradex_carrier_boards[0]); i++)
 752                 if (toradex_carrier_boards[i])
 753                         printf("%s \t\t [%d]\n", toradex_carrier_boards[i], i);
 754
 755         sprintf(message, "Choose your carrier board (provide ID): ");
 756         len = cli_readline(message);
 757         tdx_car_hw_tag.prodid = dectoul(console_buffer, NULL);
 758
 759         do {
 760                 sprintf(message, "Enter carrier board version (e.g. V1.1B): V");
 761                 len = cli_readline(message);
 762         } while (len < 4);
 763
 764         tdx_car_hw_tag.ver_major = console_buffer[0] - '0';
 765         tdx_car_hw_tag.ver_minor = console_buffer[2] - '0';
 766         tdx_car_hw_tag.ver_assembly = console_buffer[3] - 'A';
 767
 768         while (len < 8) {
 769                 sprintf(message, "Enter carrier board serial number: ");
 770                 len = cli_readline(message);
 771         }
 772
 773         tdx_car_serial = dectoul(console_buffer, NULL);
 774
 775         return 0;
 776 }
 777
 778 static int do_cfgblock_carrier_create(struct cmd_tbl *cmdtp, int flag, int argc,
 779                                       char * const argv[])
 780 {
 781         u8 *config_block;
 782         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 783         int offset = 0;
 784         int ret = CMD_RET_SUCCESS;
 785         int err;
 786         int force_overwrite = 0;
 787
 788         if (argc >= 3) {
 789                 if (argv[2][0] == '-' && argv[2][1] == 'y')
 790                         force_overwrite = 1;
 791         }
 792
 793         /* Allocate RAM area for config block */
 794         config_block = memalign(ARCH_DMA_MINALIGN, size);
 795         if (!config_block) {
 796                 printf("Not enough malloc space available!\n");
 797                 return CMD_RET_FAILURE;
 798         }
 799
 800         memset(config_block, 0xff, size);
 801         read_tdx_cfg_block_carrier();
 802         if (valid_cfgblock_carrier && !force_overwrite) {
 803                 char message[CONFIG_SYS_CBSIZE];
 804
 805                 sprintf(message, "A valid Toradex Carrier config block is present, still recreate? [y/N] ");
 806
 807                 if (!cli_readline(message))
 808                         goto out;
 809
 810                 if (console_buffer[0] != 'y' &&
 811                     console_buffer[0] != 'Y')
 812                         goto out;
 813         }
 814
 815         if (argc < 3 || (force_overwrite && argc < 4)) {
 816                 err = get_cfgblock_carrier_interactive();
 817         } else {
 818                 if (force_overwrite)
 819                         err = get_cfgblock_barcode(argv[3], &tdx_car_hw_tag,
 820                                                    &tdx_car_serial);
 821                 else
 822                         err = get_cfgblock_barcode(argv[2], &tdx_car_hw_tag,
 823                                                    &tdx_car_serial);
 824         }
 825
 826         if (err) {
 827                 ret = CMD_RET_FAILURE;
 828                 goto out;
 829         }
 830
 831         /* Valid Tag */
 832         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 833
 834         /* Product Tag */
 835         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_car_hw_tag,
 836                   sizeof(tdx_car_hw_tag));
 837
 838         /* Serial Tag */
 839         write_tag(config_block, &offset, TAG_CAR_SERIAL, (u8 *)&tdx_car_serial,
 840                   sizeof(tdx_car_serial));
 841
 842         memset(config_block + offset, 0, 32 - offset);
 843         err = write_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 844                                     size);
 845         if (err) {
 846                 printf("Failed to write Toradex Extra config block: %d\n",
 847                        ret);
 848                 ret = CMD_RET_FAILURE;
 849                 goto out;
 850         }
 851
 852         printf("Toradex Extra config block successfully written\n");
 853
 854 out:
 855         free(config_block);
 856         return ret;
 857 }
 858
 859 #endif /* CONFIG_TDX_CFG_BLOCK_EXTRA */
 860
 861 static int do_cfgblock_create(struct cmd_tbl *cmdtp, int flag, int argc,
 862                               char * const argv[])
 863 {
 864         u8 *config_block;
 865         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 866         int offset = 0;
 867         int ret = CMD_RET_SUCCESS;
 868         int err;
 869         int force_overwrite = 0;
 870
 871         if (argc >= 3) {
 872 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
 873                 if (!strcmp(argv[2], "carrier"))
 874                         return do_cfgblock_carrier_create(cmdtp, flag,
 875                                                           --argc, ++argv);
 876 #endif /* CONFIG_TDX_CFG_BLOCK_EXTRA */
 877                 if (argv[2][0] == '-' && argv[2][1] == 'y')
 878                         force_overwrite = 1;
 879         }
 880
 881         /* Allocate RAM area for config block */
 882         config_block = memalign(ARCH_DMA_MINALIGN, size);
 883         if (!config_block) {
 884                 printf("Not enough malloc space available!\n");
 885                 return CMD_RET_FAILURE;
 886         }
 887
 888         memset(config_block, 0xff, size);
 889
 890         read_tdx_cfg_block();
 891         if (valid_cfgblock) {
 892 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 893                 /*
 894                  * On NAND devices, recreation is only allowed if the page is
 895                  * empty (config block invalid...)
 896                  */
 897                 printf("NAND erase block %d need to be erased before creating a Toradex config block\n",
 898                        CONFIG_TDX_CFG_BLOCK_OFFSET /
 899                        get_nand_dev_by_index(0)->erasesize);
 900                 goto out;
 901 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 902                 /*
 903                  * On NOR devices, recreation is only allowed if the sector is
 904                  * empty and write protection is off (config block invalid...)
 905                  */
 906                 printf("NOR sector at offset 0x%02x need to be erased and unprotected before creating a Toradex config block\n",
 907                        CONFIG_TDX_CFG_BLOCK_OFFSET);
 908                 goto out;
 909 #else
 910                 if (!force_overwrite) {
 911                         char message[CONFIG_SYS_CBSIZE];
 912
 913                         sprintf(message,
 914                                 "A valid Toradex config block is present, still recreate? [y/N] ");
 915
 916                         if (!cli_readline(message))
 917                                 goto out;
 918
 919                         if (console_buffer[0] != 'y' &&
 920                             console_buffer[0] != 'Y')
 921                                 goto out;
 922                 }
 923 #endif
 924         }
 925
 926         /* Parse new Toradex config block data... */
 927         if (argc < 3 || (force_overwrite && argc < 4)) {
 928                 err = get_cfgblock_interactive();
 929         } else {
 930                 if (force_overwrite)
 931                         err = get_cfgblock_barcode(argv[3], &tdx_hw_tag,
 932                                                    &tdx_serial);
 933                 else
 934                         err = get_cfgblock_barcode(argv[2], &tdx_hw_tag,
 935                                                    &tdx_serial);
 936         }
 937         if (err) {
 938                 ret = CMD_RET_FAILURE;
 939                 goto out;
 940         }
 941
 942         /* Convert serial number to MAC address (the storage format) */
 943         tdx_eth_addr.oui = htonl(0x00142dUL << 8);
 944         tdx_eth_addr.nic = htonl(tdx_serial << 8);
 945
 946         /* Valid Tag */
 947         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 948
 949         /* Product Tag */
 950         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_hw_tag,
 951                   sizeof(tdx_hw_tag));
 952
 953         /* MAC Tag */
 954         write_tag(config_block, &offset, TAG_MAC, (u8 *)&tdx_eth_addr,
 955                   sizeof(tdx_eth_addr));
 956
 957         memset(config_block + offset, 0, 32 - offset);
 958 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 959         err = tdx_cfg_block_mmc_storage(config_block, 1);
 960 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 961         err = write_tdx_cfg_block_to_nand(config_block);
 962 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 963         err = write_tdx_cfg_block_to_nor(config_block);
 964 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
 965         err = write_tdx_cfg_block_to_eeprom(config_block);
 966 #else
 967         err = -EINVAL;
 968 #endif
 969         if (err) {
 970                 printf("Failed to write Toradex config block: %d\n", ret);
 971                 ret = CMD_RET_FAILURE;
 972                 goto out;
 973         }
 974
 975         printf("Toradex config block successfully written\n");
 976
 977 out:
 978         free(config_block);
 979         return ret;
 980 }
 981
 982 static int do_cfgblock(struct cmd_tbl *cmdtp, int flag, int argc,
 983                        char *const argv[])
 984 {
 985         int ret;
 986
 987         if (argc < 2)
 988                 return CMD_RET_USAGE;
 989
 990         if (!strcmp(argv[1], "create")) {
 991                 return do_cfgblock_create(cmdtp, flag, argc, argv);
 992         } else if (!strcmp(argv[1], "reload")) {
 993                 ret = read_tdx_cfg_block();
 994                 if (ret) {
 995                         printf("Failed to reload Toradex config block: %d\n",
 996                                ret);
 997                         return CMD_RET_FAILURE;
 998                 }
 999                 return CMD_RET_SUCCESS;
1000         }
1001
1002         return CMD_RET_USAGE;
1003 }
1004
1005 U_BOOT_CMD(
1006         cfgblock, 5, 0, do_cfgblock,
1007         "Toradex config block handling commands",
1008         "create [-y] [barcode] - (Re-)create Toradex config block\n"
1009         "create carrier [-y] [barcode] - (Re-)create Toradex Carrier config block\n"
1010         "cfgblock reload - Reload Toradex config block from flash"
1011 );