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

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (c) 2016-2020 Toradex
   4  */
   5
   6 #include <common.h>
   7 #include "tdx-cfg-block.h"
   8 #include "tdx-eeprom.h"
   9
  10 #include <command.h>
  11 #include <asm/cache.h>
  12
  13 #if defined(CONFIG_TARGET_APALIS_IMX6) || \
  14         defined(CONFIG_TARGET_APALIS_IMX8) || \
  15         defined(CONFIG_TARGET_APALIS_IMX8X) || \
  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 #include <asm/arch/sys_proto.h>
  21 #else
  22 #define is_cpu_type(cpu) (0)
  23 #endif
  24 #if defined(CONFIG_CPU_PXA27X)
  25 #include <asm/arch-pxa/pxa.h>
  26 #else
  27 #define cpu_is_pxa27x(cpu) (0)
  28 #endif
  29 #include <cli.h>
  30 #include <console.h>
  31 #include <env.h>
  32 #include <flash.h>
  33 #include <malloc.h>
  34 #include <mmc.h>
  35 #include <nand.h>
  36 #include <asm/mach-types.h>
  37
  38 DECLARE_GLOBAL_DATA_PTR;
  39
  40 #define TAG_VALID       0xcf01
  41 #define TAG_MAC         0x0000
  42 #define TAG_CAR_SERIAL  0x0021
  43 #define TAG_HW          0x0008
  44 #define TAG_INVALID     0xffff
  45
  46 #define TAG_FLAG_VALID  0x1
  47
  48 #define TDX_EEPROM_ID_MODULE            0
  49 #define TDX_EEPROM_ID_CARRIER           1
  50
  51 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
  52 #define TDX_CFG_BLOCK_MAX_SIZE 512
  53 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
  54 #define TDX_CFG_BLOCK_MAX_SIZE 64
  55 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
  56 #define TDX_CFG_BLOCK_MAX_SIZE 64
  57 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
  58 #define TDX_CFG_BLOCK_MAX_SIZE 64
  59 #else
  60 #error Toradex config block location not set
  61 #endif
  62
  63 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
  64 #define TDX_CFG_BLOCK_EXTRA_MAX_SIZE 64
  65 #endif
  66
  67 struct toradex_tag {
  68         u32 len:14;
  69         u32 flags:2;
  70         u32 id:16;
  71 };
  72
  73 bool valid_cfgblock;
  74 struct toradex_hw tdx_hw_tag;
  75 struct toradex_eth_addr tdx_eth_addr;
  76 u32 tdx_serial;
  77 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
  78 u32 tdx_car_serial;
  79 bool valid_cfgblock_carrier;
  80 struct toradex_hw tdx_car_hw_tag;
  81 #endif
  82
  83 const char * const toradex_modules[] = {
  84          [0] = "UNKNOWN MODULE",
  85          [1] = "Colibri PXA270 312MHz",
  86          [2] = "Colibri PXA270 520MHz",
  87          [3] = "Colibri PXA320 806MHz",
  88          [4] = "Colibri PXA300 208MHz",
  89          [5] = "Colibri PXA310 624MHz",
  90          [6] = "Colibri PXA320 806MHz IT",
  91          [7] = "Colibri PXA300 208MHz XT",
  92          [8] = "Colibri PXA270 312MHz",
  93          [9] = "Colibri PXA270 520MHz",
  94         [10] = "Colibri VF50 128MB", /* not currently on sale */
  95         [11] = "Colibri VF61 256MB",
  96         [12] = "Colibri VF61 256MB IT",
  97         [13] = "Colibri VF50 128MB IT",
  98         [14] = "Colibri iMX6 Solo 256MB",
  99         [15] = "Colibri iMX6 DualLite 512MB",
 100         [16] = "Colibri iMX6 Solo 256MB IT",
 101         [17] = "Colibri iMX6 DualLite 512MB IT",
 102         [18] = "UNKNOWN MODULE",
 103         [19] = "UNKNOWN MODULE",
 104         [20] = "Colibri T20 256MB",
 105         [21] = "Colibri T20 512MB",
 106         [22] = "Colibri T20 512MB IT",
 107         [23] = "Colibri T30 1GB",
 108         [24] = "Colibri T20 256MB IT",
 109         [25] = "Apalis T30 2GB",
 110         [26] = "Apalis T30 1GB",
 111         [27] = "Apalis iMX6 Quad 1GB",
 112         [28] = "Apalis iMX6 Quad 2GB IT",
 113         [29] = "Apalis iMX6 Dual 512MB",
 114         [30] = "Colibri T30 1GB IT",
 115         [31] = "Apalis T30 1GB IT",
 116         [32] = "Colibri iMX7 Solo 256MB",
 117         [33] = "Colibri iMX7 Dual 512MB",
 118         [34] = "Apalis TK1 2GB",
 119         [35] = "Apalis iMX6 Dual 1GB IT",
 120         [36] = "Colibri iMX6ULL 256MB",
 121         [37] = "Apalis iMX8 QuadMax 4GB Wi-Fi / BT IT",
 122         [38] = "Colibri iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
 123         [39] = "Colibri iMX7 Dual 1GB (eMMC)",
 124         [40] = "Colibri iMX6ULL 512MB Wi-Fi / BT IT",
 125         [41] = "Colibri iMX7 Dual 512MB EPDC",
 126         [42] = "Apalis TK1 4GB",
 127         [43] = "Colibri T20 512MB IT SETEK",
 128         [44] = "Colibri iMX6ULL 512MB IT",
 129         [45] = "Colibri iMX6ULL 512MB Wi-Fi / Bluetooth",
 130         [46] = "Apalis iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
 131         [47] = "Apalis iMX8 QuadMax 4GB IT",
 132         [48] = "Apalis iMX8 QuadPlus 2GB Wi-Fi / BT",
 133         [49] = "Apalis iMX8 QuadPlus 2GB",
 134         [50] = "Colibri iMX8 QuadXPlus 2GB IT",
 135         [51] = "Colibri iMX8 DualX 1GB Wi-Fi / Bluetooth",
 136         [52] = "Colibri iMX8 DualX 1GB",
 137         [53] = "Apalis iMX8 QuadXPlus 2GB ECC IT",
 138         [54] = "Apalis iMX8 DualXPlus 1GB",
 139         [55] = "Verdin iMX8M Mini Quad 2GB Wi-Fi / BT IT",
 140         [56] = "Verdin iMX8M Nano SoloLite 1GB", /* not currently on sale */
 141         [57] = "Verdin iMX8M Mini DualLite 1GB",
 142 };
 143
 144 const char * const toradex_carrier_boards[] = {
 145         [0] = "UNKNOWN CARRIER BOARD",
 146         [155] = "Dahlia",
 147         [156] = "Verdin Development Board",
 148 };
 149
 150 const char * const toradex_display_adapters[] = {
 151         [0] = "UNKNOWN DISPLAY ADAPTER",
 152         [157] = "Verdin DSI to HDMI Adapter",
 153         [159] = "Verdin DSI to LVDS Adapter",
 154 };
 155
 156 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
 157 static int tdx_cfg_block_mmc_storage(u8 *config_block, int write)
 158 {
 159         struct mmc *mmc;
 160         int dev = CONFIG_TDX_CFG_BLOCK_DEV;
 161         int offset = CONFIG_TDX_CFG_BLOCK_OFFSET;
 162         uint part = CONFIG_TDX_CFG_BLOCK_PART;
 163         uint blk_start;
 164         int ret = 0;
 165
 166         /* Read production parameter config block from eMMC */
 167         mmc = find_mmc_device(dev);
 168         if (!mmc) {
 169                 puts("No MMC card found\n");
 170                 ret = -ENODEV;
 171                 goto out;
 172         }
 173         if (mmc_init(mmc)) {
 174                 puts("MMC init failed\n");
 175                 return -EINVAL;
 176         }
 177         if (part != mmc_get_blk_desc(mmc)->hwpart) {
 178                 if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) {
 179                         puts("MMC partition switch failed\n");
 180                         ret = -ENODEV;
 181                         goto out;
 182                 }
 183         }
 184         if (offset < 0)
 185                 offset += mmc->capacity;
 186         blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;
 187
 188         if (!write) {
 189                 /* Careful reads a whole block of 512 bytes into config_block */
 190                 if (blk_dread(mmc_get_blk_desc(mmc), blk_start, 1,
 191                               (unsigned char *)config_block) != 1) {
 192                         ret = -EIO;
 193                         goto out;
 194                 }
 195         } else {
 196                 /* Just writing one 512 byte block */
 197                 if (blk_dwrite(mmc_get_blk_desc(mmc), blk_start, 1,
 198                                (unsigned char *)config_block) != 1) {
 199                         ret = -EIO;
 200                         goto out;
 201                 }
 202         }
 203
 204 out:
 205         /* Switch back to regular eMMC user partition */
 206         blk_select_hwpart_devnum(IF_TYPE_MMC, 0, 0);
 207
 208         return ret;
 209 }
 210 #endif
 211
 212 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
 213 static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
 214 {
 215         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 216         struct mtd_info *mtd = get_nand_dev_by_index(0);
 217
 218         if (!mtd)
 219                 return -ENODEV;
 220
 221         /* Read production parameter config block from NAND page */
 222         return nand_read_skip_bad(mtd, CONFIG_TDX_CFG_BLOCK_OFFSET,
 223                                   &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
 224                                   config_block);
 225 }
 226
 227 static int write_tdx_cfg_block_to_nand(unsigned char *config_block)
 228 {
 229         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 230
 231         /* Write production parameter config block to NAND page */
 232         return nand_write_skip_bad(get_nand_dev_by_index(0),
 233                                    CONFIG_TDX_CFG_BLOCK_OFFSET,
 234                                    &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
 235                                    config_block, WITH_WR_VERIFY);
 236 }
 237 #endif
 238
 239 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
 240 static int read_tdx_cfg_block_from_nor(unsigned char *config_block)
 241 {
 242         /* Read production parameter config block from NOR flash */
 243         memcpy(config_block, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET,
 244                TDX_CFG_BLOCK_MAX_SIZE);
 245         return 0;
 246 }
 247
 248 static int write_tdx_cfg_block_to_nor(unsigned char *config_block)
 249 {
 250         /* Write production parameter config block to NOR flash */
 251         return flash_write((void *)config_block, CONFIG_TDX_CFG_BLOCK_OFFSET,
 252                            TDX_CFG_BLOCK_MAX_SIZE);
 253 }
 254 #endif
 255
 256 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM
 257 static int read_tdx_cfg_block_from_eeprom(unsigned char *config_block)
 258 {
 259         return read_tdx_eeprom_data(TDX_EEPROM_ID_MODULE, 0x0, config_block,
 260                                     TDX_CFG_BLOCK_MAX_SIZE);
 261 }
 262
 263 static int write_tdx_cfg_block_to_eeprom(unsigned char *config_block)
 264 {
 265         return write_tdx_eeprom_data(TDX_EEPROM_ID_MODULE, 0x0, config_block,
 266                                      TDX_CFG_BLOCK_MAX_SIZE);
 267 }
 268 #endif
 269
 270 int read_tdx_cfg_block(void)
 271 {
 272         int ret = 0;
 273         u8 *config_block = NULL;
 274         struct toradex_tag *tag;
 275         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 276         int offset;
 277
 278         /* Allocate RAM area for config block */
 279         config_block = memalign(ARCH_DMA_MINALIGN, size);
 280         if (!config_block) {
 281                 printf("Not enough malloc space available!\n");
 282                 return -ENOMEM;
 283         }
 284
 285         memset(config_block, 0, size);
 286
 287 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 288         ret = tdx_cfg_block_mmc_storage(config_block, 0);
 289 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 290         ret = read_tdx_cfg_block_from_nand(config_block);
 291 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 292         ret = read_tdx_cfg_block_from_nor(config_block);
 293 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
 294         ret = read_tdx_cfg_block_from_eeprom(config_block);
 295 #else
 296         ret = -EINVAL;
 297 #endif
 298         if (ret)
 299                 goto out;
 300
 301         /* Expect a valid tag first */
 302         tag = (struct toradex_tag *)config_block;
 303         if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
 304                 valid_cfgblock = false;
 305                 ret = -EINVAL;
 306                 goto out;
 307         }
 308         valid_cfgblock = true;
 309         offset = 4;
 310
 311         /*
 312          * check if there is enough space for storing tag and value of the
 313          * biggest element
 314          */
 315         while (offset + sizeof(struct toradex_tag) +
 316                sizeof(struct toradex_hw) < TDX_CFG_BLOCK_MAX_SIZE) {
 317                 tag = (struct toradex_tag *)(config_block + offset);
 318                 offset += 4;
 319                 if (tag->id == TAG_INVALID)
 320                         break;
 321
 322                 if (tag->flags == TAG_FLAG_VALID) {
 323                         switch (tag->id) {
 324                         case TAG_MAC:
 325                                 memcpy(&tdx_eth_addr, config_block + offset,
 326                                        6);
 327
 328                                 /* NIC part of MAC address is serial number */
 329                                 tdx_serial = ntohl(tdx_eth_addr.nic) >> 8;
 330                                 break;
 331                         case TAG_HW:
 332                                 memcpy(&tdx_hw_tag, config_block + offset, 8);
 333                                 break;
 334                         }
 335                 }
 336
 337                 /* Get to next tag according to current tags length */
 338                 offset += tag->len * 4;
 339         }
 340
 341         /* Cap product id to avoid issues with a yet unknown one */
 342         if (tdx_hw_tag.prodid >= (sizeof(toradex_modules) /
 343                                   sizeof(toradex_modules[0])))
 344                 tdx_hw_tag.prodid = 0;
 345
 346 out:
 347         free(config_block);
 348         return ret;
 349 }
 350
 351 static int get_cfgblock_interactive(void)
 352 {
 353         char message[CONFIG_SYS_CBSIZE];
 354         char *soc;
 355         char it = 'n';
 356         char wb = 'n';
 357         int len = 0;
 358
 359         /* Unknown module by default */
 360         tdx_hw_tag.prodid = 0;
 361
 362         if (cpu_is_pxa27x())
 363                 sprintf(message, "Is the module the 312 MHz version? [y/N] ");
 364 #if !defined(CONFIG_TARGET_VERDIN_IMX8MM) || !defined(CONFIG_TARGET_VERDIN_IMX8MN)
 365         else
 366                 sprintf(message, "Is the module an IT version? [y/N] ");
 367
 368         len = cli_readline(message);
 369         it = console_buffer[0];
 370 #else
 371         else
 372                 it = 'y';
 373 #endif
 374
 375 #if defined(CONFIG_TARGET_APALIS_IMX8) || \
 376                 defined(CONFIG_TARGET_APALIS_IMX8X) || \
 377                 defined(CONFIG_TARGET_COLIBRI_IMX6ULL) || \
 378                 defined(CONFIG_TARGET_COLIBRI_IMX8X)
 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_IMX8MM))
 428                 tdx_hw_tag.prodid = VERDIN_IMX8MMQ_WIFI_BT_IT;
 429         else if (is_cpu_type(MXC_CPU_IMX8MMDL))
 430                 tdx_hw_tag.prodid = VERDIN_IMX8MMDL;
 431         else if (is_cpu_type(MXC_CPU_IMX8MN))
 432                 tdx_hw_tag.prodid = VERDIN_IMX8MNSL;
 433         else if (is_cpu_type(MXC_CPU_IMX8QM)) {
 434                 if (it == 'y' || it == 'Y') {
 435                         if (wb == 'y' || wb == 'Y')
 436                                 tdx_hw_tag.prodid = APALIS_IMX8QM_WIFI_BT_IT;
 437                         else
 438                                 tdx_hw_tag.prodid = APALIS_IMX8QM_IT;
 439                 } else {
 440                         if (wb == 'y' || wb == 'Y')
 441                                 tdx_hw_tag.prodid = APALIS_IMX8QP_WIFI_BT;
 442                         else
 443                                 tdx_hw_tag.prodid = APALIS_IMX8QP;
 444                 }
 445         } else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
 446 #ifdef CONFIG_TARGET_APALIS_IMX8X
 447                 if (it == 'y' || it == 'Y' || wb == 'y' || wb == 'Y') {
 448                                 tdx_hw_tag.prodid = APALIS_IMX8QXP_WIFI_BT_IT;
 449                 } else {
 450                         if (gd->ram_size == 0x40000000)
 451                                 tdx_hw_tag.prodid = APALIS_IMX8DXP;
 452                         else
 453                                 tdx_hw_tag.prodid = APALIS_IMX8QXP;
 454                 }
 455 #elif CONFIG_TARGET_COLIBRI_IMX8X
 456                 if (it == 'y' || it == 'Y') {
 457                         if (wb == 'y' || wb == 'Y')
 458                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_WIFI_BT_IT;
 459                         else
 460                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_IT;
 461                 } else {
 462                         if (wb == 'y' || wb == 'Y')
 463                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX_WIFI_BT;
 464                         else
 465                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX;
 466                 }
 467 #endif
 468         } else if (!strcmp("tegra20", soc)) {
 469                 if (it == 'y' || it == 'Y')
 470                         if (gd->ram_size == 0x10000000)
 471                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
 472                         else
 473                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
 474                 else
 475                         if (gd->ram_size == 0x10000000)
 476                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB;
 477                         else
 478                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB;
 479         } else if (cpu_is_pxa27x()) {
 480                 if (it == 'y' || it == 'Y')
 481                         tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
 482                 else
 483                         tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
 484         }
 485 #ifdef CONFIG_MACH_TYPE
 486         else if (!strcmp("tegra30", soc)) {
 487                 if (CONFIG_MACH_TYPE == MACH_TYPE_APALIS_T30) {
 488                         if (it == 'y' || it == 'Y')
 489                                 tdx_hw_tag.prodid = APALIS_T30_IT;
 490                         else
 491                                 if (gd->ram_size == 0x40000000)
 492                                         tdx_hw_tag.prodid = APALIS_T30_1GB;
 493                                 else
 494                                         tdx_hw_tag.prodid = APALIS_T30_2GB;
 495                 } else {
 496                         if (it == 'y' || it == 'Y')
 497                                 tdx_hw_tag.prodid = COLIBRI_T30_IT;
 498                         else
 499                                 tdx_hw_tag.prodid = COLIBRI_T30;
 500                 }
 501         }
 502 #endif /* CONFIG_MACH_TYPE */
 503         else if (!strcmp("tegra124", soc)) {
 504                 tdx_hw_tag.prodid = APALIS_TK1_2GB;
 505         } else if (!strcmp("vf500", soc)) {
 506                 if (it == 'y' || it == 'Y')
 507                         tdx_hw_tag.prodid = COLIBRI_VF50_IT;
 508                 else
 509                         tdx_hw_tag.prodid = COLIBRI_VF50;
 510         } else if (!strcmp("vf610", soc)) {
 511                 if (it == 'y' || it == 'Y')
 512                         tdx_hw_tag.prodid = COLIBRI_VF61_IT;
 513                 else
 514                         tdx_hw_tag.prodid = COLIBRI_VF61;
 515         }
 516
 517         if (!tdx_hw_tag.prodid) {
 518                 printf("Module type not detectable due to unknown SoC\n");
 519                 return -1;
 520         }
 521
 522         while (len < 4) {
 523                 sprintf(message, "Enter the module version (e.g. V1.1B): V");
 524                 len = cli_readline(message);
 525         }
 526
 527         tdx_hw_tag.ver_major = console_buffer[0] - '0';
 528         tdx_hw_tag.ver_minor = console_buffer[2] - '0';
 529         tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
 530
 531         if (cpu_is_pxa27x() && tdx_hw_tag.ver_major == 1)
 532                 tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
 533                                        COLIBRI_PXA270_V1_312MHZ);
 534
 535         while (len < 8) {
 536                 sprintf(message, "Enter module serial number: ");
 537                 len = cli_readline(message);
 538         }
 539
 540         tdx_serial = simple_strtoul(console_buffer, NULL, 10);
 541
 542         return 0;
 543 }
 544
 545 static int get_cfgblock_barcode(char *barcode, struct toradex_hw *tag,
 546                                 u32 *serial)
 547 {
 548         if (strlen(barcode) < 16) {
 549                 printf("Argument too short, barcode is 16 chars long\n");
 550                 return -1;
 551         }
 552
 553         /* Get hardware information from the first 8 digits */
 554         tag->ver_major = barcode[4] - '0';
 555         tag->ver_minor = barcode[5] - '0';
 556         tag->ver_assembly = barcode[7] - '0';
 557
 558         barcode[4] = '\0';
 559         tag->prodid = simple_strtoul(barcode, NULL, 10);
 560
 561         /* Parse second part of the barcode (serial number */
 562         barcode += 8;
 563         *serial = simple_strtoul(barcode, NULL, 10);
 564
 565         return 0;
 566 }
 567
 568 static int write_tag(u8 *config_block, int *offset, int tag_id,
 569                      u8 *tag_data, size_t tag_data_size)
 570 {
 571         struct toradex_tag *tag;
 572
 573         if (!offset || !config_block)
 574                 return -EINVAL;
 575
 576         tag = (struct toradex_tag *)(config_block + *offset);
 577         tag->id = tag_id;
 578         tag->flags = TAG_FLAG_VALID;
 579         /* len is provided as number of 32bit values after the tag */
 580         tag->len = (tag_data_size + sizeof(u32) - 1) / sizeof(u32);
 581         *offset += sizeof(struct toradex_tag);
 582         if (tag_data && tag_data_size) {
 583                 memcpy(config_block + *offset, tag_data,
 584                        tag_data_size);
 585                 *offset += tag_data_size;
 586         }
 587
 588         return 0;
 589 }
 590
 591 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
 592 int read_tdx_cfg_block_carrier(void)
 593 {
 594         int ret = 0;
 595         u8 *config_block = NULL;
 596         struct toradex_tag *tag;
 597         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 598         int offset;
 599
 600         /* Allocate RAM area for carrier config block */
 601         config_block = memalign(ARCH_DMA_MINALIGN, size);
 602         if (!config_block) {
 603                 printf("Not enough malloc space available!\n");
 604                 return -ENOMEM;
 605         }
 606
 607         memset(config_block, 0, size);
 608
 609         ret = read_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 610                                    size);
 611         if (ret)
 612                 return ret;
 613
 614         /* Expect a valid tag first */
 615         tag = (struct toradex_tag *)config_block;
 616         if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
 617                 valid_cfgblock_carrier = false;
 618                 ret = -EINVAL;
 619                 goto out;
 620         }
 621         valid_cfgblock_carrier = true;
 622         offset = 4;
 623
 624         while (offset + sizeof(struct toradex_tag) +
 625                sizeof(struct toradex_hw) < TDX_CFG_BLOCK_MAX_SIZE) {
 626                 tag = (struct toradex_tag *)(config_block + offset);
 627                 offset += 4;
 628                 if (tag->id == TAG_INVALID)
 629                         break;
 630
 631                 if (tag->flags == TAG_FLAG_VALID) {
 632                         switch (tag->id) {
 633                         case TAG_CAR_SERIAL:
 634                                 memcpy(&tdx_car_serial, config_block + offset,
 635                                        sizeof(tdx_car_serial));
 636                                 break;
 637                         case TAG_HW:
 638                                 memcpy(&tdx_car_hw_tag, config_block +
 639                                        offset, 8);
 640                                 break;
 641                         }
 642                 }
 643
 644                 /* Get to next tag according to current tags length */
 645                 offset += tag->len * 4;
 646         }
 647 out:
 648         free(config_block);
 649         return ret;
 650 }
 651
 652 int check_pid8_sanity(char *pid8)
 653 {
 654         char s_carrierid_verdin_dev[5];
 655         char s_carrierid_dahlia[5];
 656
 657         sprintf(s_carrierid_verdin_dev, "0%d", VERDIN_DEVELOPMENT_BOARD);
 658         sprintf(s_carrierid_dahlia, "0%d", DAHLIA);
 659
 660         /* sane value check, first 4 chars which represent carrier id */
 661         if (!strncmp(pid8, s_carrierid_verdin_dev, 4))
 662                 return 0;
 663
 664         if (!strncmp(pid8, s_carrierid_dahlia, 4))
 665                 return 0;
 666
 667         return -EINVAL;
 668 }
 669
 670 int try_migrate_tdx_cfg_block_carrier(void)
 671 {
 672         char pid8[8];
 673         int offset = 0;
 674         int ret = CMD_RET_SUCCESS;
 675         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 676         u8 *config_block;
 677
 678         memset(pid8, 0x0, 8);
 679         ret = read_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, (u8 *)pid8, 8);
 680         if (ret)
 681                 return ret;
 682
 683         if (check_pid8_sanity(pid8))
 684                 return -EINVAL;
 685
 686         /* Allocate RAM area for config block */
 687         config_block = memalign(ARCH_DMA_MINALIGN, size);
 688         if (!config_block) {
 689                 printf("Not enough malloc space available!\n");
 690                 return CMD_RET_FAILURE;
 691         }
 692
 693         memset(config_block, 0xff, size);
 694         /* we try parse PID8 concatenating zeroed serial number */
 695         tdx_car_hw_tag.ver_major = pid8[4] - '0';
 696         tdx_car_hw_tag.ver_minor = pid8[5] - '0';
 697         tdx_car_hw_tag.ver_assembly = pid8[7] - '0';
 698
 699         pid8[4] = '\0';
 700         tdx_car_hw_tag.prodid = simple_strtoul(pid8, NULL, 10);
 701
 702         /* Valid Tag */
 703         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 704
 705         /* Product Tag */
 706         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_car_hw_tag,
 707                   sizeof(tdx_car_hw_tag));
 708
 709         /* Serial Tag */
 710         write_tag(config_block, &offset, TAG_CAR_SERIAL, (u8 *)&tdx_car_serial,
 711                   sizeof(tdx_car_serial));
 712
 713         memset(config_block + offset, 0, 32 - offset);
 714         ret = write_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 715                                     size);
 716         if (ret) {
 717                 printf("Failed to write Toradex Extra config block: %d\n",
 718                        ret);
 719                 ret = CMD_RET_FAILURE;
 720                 goto out;
 721         }
 722
 723         printf("Successfully migrated to Toradex Config Block from PID8\n");
 724
 725 out:
 726         free(config_block);
 727         return ret;
 728 }
 729
 730 static int get_cfgblock_carrier_interactive(void)
 731 {
 732         char message[CONFIG_SYS_CBSIZE];
 733         int len;
 734
 735         printf("Supported carrier boards:\n");
 736         printf("CARRIER BOARD NAME\t\t [ID]\n");
 737         for (int i = 0; i < sizeof(toradex_carrier_boards) /
 738                             sizeof(toradex_carrier_boards[0]); i++)
 739                 if (toradex_carrier_boards[i])
 740                         printf("%s \t\t [%d]\n", toradex_carrier_boards[i], i);
 741
 742         sprintf(message, "Choose your carrier board (provide ID): ");
 743         len = cli_readline(message);
 744         tdx_car_hw_tag.prodid = simple_strtoul(console_buffer, NULL, 10);
 745
 746         do {
 747                 sprintf(message, "Enter carrier board version (e.g. V1.1B): V");
 748                 len = cli_readline(message);
 749         } while (len < 4);
 750
 751         tdx_car_hw_tag.ver_major = console_buffer[0] - '0';
 752         tdx_car_hw_tag.ver_minor = console_buffer[2] - '0';
 753         tdx_car_hw_tag.ver_assembly = console_buffer[3] - 'A';
 754
 755         while (len < 8) {
 756                 sprintf(message, "Enter carrier board serial number: ");
 757                 len = cli_readline(message);
 758         }
 759
 760         tdx_car_serial = simple_strtoul(console_buffer, NULL, 10);
 761
 762         return 0;
 763 }
 764
 765 static int do_cfgblock_carrier_create(struct cmd_tbl *cmdtp, int flag, int argc,
 766                                       char * const argv[])
 767 {
 768         u8 *config_block;
 769         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 770         int offset = 0;
 771         int ret = CMD_RET_SUCCESS;
 772         int err;
 773         int force_overwrite = 0;
 774
 775         if (argc >= 3) {
 776                 if (argv[2][0] == '-' && argv[2][1] == 'y')
 777                         force_overwrite = 1;
 778         }
 779
 780         /* Allocate RAM area for config block */
 781         config_block = memalign(ARCH_DMA_MINALIGN, size);
 782         if (!config_block) {
 783                 printf("Not enough malloc space available!\n");
 784                 return CMD_RET_FAILURE;
 785         }
 786
 787         memset(config_block, 0xff, size);
 788         read_tdx_cfg_block_carrier();
 789         if (valid_cfgblock_carrier && !force_overwrite) {
 790                 char message[CONFIG_SYS_CBSIZE];
 791
 792                 sprintf(message, "A valid Toradex Carrier config block is present, still recreate? [y/N] ");
 793
 794                 if (!cli_readline(message))
 795                         goto out;
 796
 797                 if (console_buffer[0] != 'y' &&
 798                     console_buffer[0] != 'Y')
 799                         goto out;
 800         }
 801
 802         if (argc < 3 || (force_overwrite && argc < 4)) {
 803                 err = get_cfgblock_carrier_interactive();
 804         } else {
 805                 if (force_overwrite)
 806                         err = get_cfgblock_barcode(argv[3], &tdx_car_hw_tag,
 807                                                    &tdx_car_serial);
 808                 else
 809                         err = get_cfgblock_barcode(argv[2], &tdx_car_hw_tag,
 810                                                    &tdx_car_serial);
 811         }
 812
 813         if (err) {
 814                 ret = CMD_RET_FAILURE;
 815                 goto out;
 816         }
 817
 818         /* Valid Tag */
 819         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 820
 821         /* Product Tag */
 822         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_car_hw_tag,
 823                   sizeof(tdx_car_hw_tag));
 824
 825         /* Serial Tag */
 826         write_tag(config_block, &offset, TAG_CAR_SERIAL, (u8 *)&tdx_car_serial,
 827                   sizeof(tdx_car_serial));
 828
 829         memset(config_block + offset, 0, 32 - offset);
 830         err = write_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 831                                     size);
 832         if (err) {
 833                 printf("Failed to write Toradex Extra config block: %d\n",
 834                        ret);
 835                 ret = CMD_RET_FAILURE;
 836                 goto out;
 837         }
 838
 839         printf("Toradex Extra config block successfully written\n");
 840
 841 out:
 842         free(config_block);
 843         return ret;
 844 }
 845
 846 #endif /* CONFIG_TDX_CFG_BLOCK_EXTRA */
 847
 848 static int do_cfgblock_create(struct cmd_tbl *cmdtp, int flag, int argc,
 849                               char * const argv[])
 850 {
 851         u8 *config_block;
 852         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 853         int offset = 0;
 854         int ret = CMD_RET_SUCCESS;
 855         int err;
 856         int force_overwrite = 0;
 857
 858         if (argc >= 3) {
 859 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
 860                 if (!strcmp(argv[2], "carrier"))
 861                         return do_cfgblock_carrier_create(cmdtp, flag,
 862                                                           --argc, ++argv);
 863 #endif /* CONFIG_TDX_CFG_BLOCK_EXTRA */
 864                 if (argv[2][0] == '-' && argv[2][1] == 'y')
 865                         force_overwrite = 1;
 866         }
 867
 868         /* Allocate RAM area for config block */
 869         config_block = memalign(ARCH_DMA_MINALIGN, size);
 870         if (!config_block) {
 871                 printf("Not enough malloc space available!\n");
 872                 return CMD_RET_FAILURE;
 873         }
 874
 875         memset(config_block, 0xff, size);
 876
 877         read_tdx_cfg_block();
 878         if (valid_cfgblock) {
 879 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 880                 /*
 881                  * On NAND devices, recreation is only allowed if the page is
 882                  * empty (config block invalid...)
 883                  */
 884                 printf("NAND erase block %d need to be erased before creating a Toradex config block\n",
 885                        CONFIG_TDX_CFG_BLOCK_OFFSET /
 886                        get_nand_dev_by_index(0)->erasesize);
 887                 goto out;
 888 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 889                 /*
 890                  * On NOR devices, recreation is only allowed if the sector is
 891                  * empty and write protection is off (config block invalid...)
 892                  */
 893                 printf("NOR sector at offset 0x%02x need to be erased and unprotected before creating a Toradex config block\n",
 894                        CONFIG_TDX_CFG_BLOCK_OFFSET);
 895                 goto out;
 896 #else
 897                 if (!force_overwrite) {
 898                         char message[CONFIG_SYS_CBSIZE];
 899
 900                         sprintf(message,
 901                                 "A valid Toradex config block is present, still recreate? [y/N] ");
 902
 903                         if (!cli_readline(message))
 904                                 goto out;
 905
 906                         if (console_buffer[0] != 'y' &&
 907                             console_buffer[0] != 'Y')
 908                                 goto out;
 909                 }
 910 #endif
 911         }
 912
 913         /* Parse new Toradex config block data... */
 914         if (argc < 3 || (force_overwrite && argc < 4)) {
 915                 err = get_cfgblock_interactive();
 916         } else {
 917                 if (force_overwrite)
 918                         err = get_cfgblock_barcode(argv[3], &tdx_hw_tag,
 919                                                    &tdx_serial);
 920                 else
 921                         err = get_cfgblock_barcode(argv[2], &tdx_hw_tag,
 922                                                    &tdx_serial);
 923         }
 924         if (err) {
 925                 ret = CMD_RET_FAILURE;
 926                 goto out;
 927         }
 928
 929         /* Convert serial number to MAC address (the storage format) */
 930         tdx_eth_addr.oui = htonl(0x00142dUL << 8);
 931         tdx_eth_addr.nic = htonl(tdx_serial << 8);
 932
 933         /* Valid Tag */
 934         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 935
 936         /* Product Tag */
 937         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_hw_tag,
 938                   sizeof(tdx_hw_tag));
 939
 940         /* MAC Tag */
 941         write_tag(config_block, &offset, TAG_MAC, (u8 *)&tdx_eth_addr,
 942                   sizeof(tdx_eth_addr));
 943
 944         memset(config_block + offset, 0, 32 - offset);
 945 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 946         err = tdx_cfg_block_mmc_storage(config_block, 1);
 947 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 948         err = write_tdx_cfg_block_to_nand(config_block);
 949 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 950         err = write_tdx_cfg_block_to_nor(config_block);
 951 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
 952         err = write_tdx_cfg_block_to_eeprom(config_block);
 953 #else
 954         err = -EINVAL;
 955 #endif
 956         if (err) {
 957                 printf("Failed to write Toradex config block: %d\n", ret);
 958                 ret = CMD_RET_FAILURE;
 959                 goto out;
 960         }
 961
 962         printf("Toradex config block successfully written\n");
 963
 964 out:
 965         free(config_block);
 966         return ret;
 967 }
 968
 969 static int do_cfgblock(struct cmd_tbl *cmdtp, int flag, int argc,
 970                        char *const argv[])
 971 {
 972         int ret;
 973
 974         if (argc < 2)
 975                 return CMD_RET_USAGE;
 976
 977         if (!strcmp(argv[1], "create")) {
 978                 return do_cfgblock_create(cmdtp, flag, argc, argv);
 979         } else if (!strcmp(argv[1], "reload")) {
 980                 ret = read_tdx_cfg_block();
 981                 if (ret) {
 982                         printf("Failed to reload Toradex config block: %d\n",
 983                                ret);
 984                         return CMD_RET_FAILURE;
 985                 }
 986                 return CMD_RET_SUCCESS;
 987         }
 988
 989         return CMD_RET_USAGE;
 990 }
 991
 992 U_BOOT_CMD(
 993         cfgblock, 5, 0, do_cfgblock,
 994         "Toradex config block handling commands",
 995         "create [-y] [barcode] - (Re-)create Toradex config block\n"
 996         "create carrier [-y] [barcode] - (Re-)create Toradex Carrier config block\n"
 997         "cfgblock reload - Reload Toradex config block from flash"
 998 );