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         defined(CONFIG_TARGET_VERDIN_IMX8MP)
  21 #include <asm/arch/sys_proto.h>
  22 #else
  23 #define is_cpu_type(cpu) (0)
  24 #endif
  25 #if defined(CONFIG_CPU_PXA27X)
  26 #include <asm/arch-pxa/pxa.h>
  27 #else
  28 #define cpu_is_pxa27x(cpu) (0)
  29 #endif
  30 #include <cli.h>
  31 #include <console.h>
  32 #include <env.h>
  33 #include <flash.h>
  34 #include <malloc.h>
  35 #include <mmc.h>
  36 #include <nand.h>
  37 #include <asm/mach-types.h>
  38
  39 DECLARE_GLOBAL_DATA_PTR;
  40
  41 #define TAG_VALID       0xcf01
  42 #define TAG_MAC         0x0000
  43 #define TAG_CAR_SERIAL  0x0021
  44 #define TAG_HW          0x0008
  45 #define TAG_INVALID     0xffff
  46
  47 #define TAG_FLAG_VALID  0x1
  48
  49 #define TDX_EEPROM_ID_MODULE            0
  50 #define TDX_EEPROM_ID_CARRIER           1
  51
  52 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
  53 #define TDX_CFG_BLOCK_MAX_SIZE 512
  54 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
  55 #define TDX_CFG_BLOCK_MAX_SIZE 64
  56 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
  57 #define TDX_CFG_BLOCK_MAX_SIZE 64
  58 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
  59 #define TDX_CFG_BLOCK_MAX_SIZE 64
  60 #else
  61 #error Toradex config block location not set
  62 #endif
  63
  64 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
  65 #define TDX_CFG_BLOCK_EXTRA_MAX_SIZE 64
  66 #endif
  67
  68 struct toradex_tag {
  69         u32 len:14;
  70         u32 flags:2;
  71         u32 id:16;
  72 };
  73
  74 bool valid_cfgblock;
  75 struct toradex_hw tdx_hw_tag;
  76 struct toradex_eth_addr tdx_eth_addr;
  77 u32 tdx_serial;
  78 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
  79 u32 tdx_car_serial;
  80 bool valid_cfgblock_carrier;
  81 struct toradex_hw tdx_car_hw_tag;
  82 #endif
  83
  84 const char * const toradex_modules[] = {
  85          [0] = "UNKNOWN MODULE",
  86          [1] = "Colibri PXA270 312MHz",
  87          [2] = "Colibri PXA270 520MHz",
  88          [3] = "Colibri PXA320 806MHz",
  89          [4] = "Colibri PXA300 208MHz",
  90          [5] = "Colibri PXA310 624MHz",
  91          [6] = "Colibri PXA320 806MHz IT",
  92          [7] = "Colibri PXA300 208MHz XT",
  93          [8] = "Colibri PXA270 312MHz",
  94          [9] = "Colibri PXA270 520MHz",
  95         [10] = "Colibri VF50 128MB", /* not currently on sale */
  96         [11] = "Colibri VF61 256MB",
  97         [12] = "Colibri VF61 256MB IT",
  98         [13] = "Colibri VF50 128MB IT",
  99         [14] = "Colibri iMX6 Solo 256MB",
 100         [15] = "Colibri iMX6 DualLite 512MB",
 101         [16] = "Colibri iMX6 Solo 256MB IT",
 102         [17] = "Colibri iMX6 DualLite 512MB IT",
 103         [18] = "UNKNOWN MODULE",
 104         [19] = "UNKNOWN MODULE",
 105         [20] = "Colibri T20 256MB",
 106         [21] = "Colibri T20 512MB",
 107         [22] = "Colibri T20 512MB IT",
 108         [23] = "Colibri T30 1GB",
 109         [24] = "Colibri T20 256MB IT",
 110         [25] = "Apalis T30 2GB",
 111         [26] = "Apalis T30 1GB",
 112         [27] = "Apalis iMX6 Quad 1GB",
 113         [28] = "Apalis iMX6 Quad 2GB IT",
 114         [29] = "Apalis iMX6 Dual 512MB",
 115         [30] = "Colibri T30 1GB IT",
 116         [31] = "Apalis T30 1GB IT",
 117         [32] = "Colibri iMX7 Solo 256MB",
 118         [33] = "Colibri iMX7 Dual 512MB",
 119         [34] = "Apalis TK1 2GB",
 120         [35] = "Apalis iMX6 Dual 1GB IT",
 121         [36] = "Colibri iMX6ULL 256MB",
 122         [37] = "Apalis iMX8 QuadMax 4GB Wi-Fi / BT IT",
 123         [38] = "Colibri iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
 124         [39] = "Colibri iMX7 Dual 1GB (eMMC)",
 125         [40] = "Colibri iMX6ULL 512MB Wi-Fi / BT IT",
 126         [41] = "Colibri iMX7 Dual 512MB EPDC",
 127         [42] = "Apalis TK1 4GB",
 128         [43] = "Colibri T20 512MB IT SETEK",
 129         [44] = "Colibri iMX6ULL 512MB IT",
 130         [45] = "Colibri iMX6ULL 512MB Wi-Fi / Bluetooth",
 131         [46] = "Apalis iMX8 QuadXPlus 2GB Wi-Fi / BT IT",
 132         [47] = "Apalis iMX8 QuadMax 4GB IT",
 133         [48] = "Apalis iMX8 QuadPlus 2GB Wi-Fi / BT",
 134         [49] = "Apalis iMX8 QuadPlus 2GB",
 135         [50] = "Colibri iMX8 QuadXPlus 2GB IT",
 136         [51] = "Colibri iMX8 DualX 1GB Wi-Fi / Bluetooth",
 137         [52] = "Colibri iMX8 DualX 1GB",
 138         [53] = "Apalis iMX8 QuadXPlus 2GB ECC IT",
 139         [54] = "Apalis iMX8 DualXPlus 1GB",
 140         [55] = "Verdin iMX8M Mini Quad 2GB Wi-Fi / BT IT",
 141         [56] = "Verdin iMX8M Nano Quad 1GB Wi-Fi / BT", /* not currently on sale */
 142         [57] = "Verdin iMX8M Mini DualLite 1GB",
 143         [58] = "Verdin iMX8M Plus Quad 4GB Wi-Fi / BT IT",
 144         [59] = "Verdin iMX8M Mini Quad 2GB IT",
 145         [60] = "Verdin iMX8M Mini DualLite 1GB WB IT",
 146         [61] = "Verdin iMX8M Plus Quad 2GB",
 147 };
 148
 149 const char * const toradex_carrier_boards[] = {
 150         [0] = "UNKNOWN CARRIER BOARD",
 151         [155] = "Dahlia",
 152         [156] = "Verdin Development Board",
 153 };
 154
 155 const char * const toradex_display_adapters[] = {
 156         [0] = "UNKNOWN DISPLAY ADAPTER",
 157         [157] = "Verdin DSI to HDMI Adapter",
 158         [159] = "Verdin DSI to LVDS Adapter",
 159 };
 160
 161 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
 162 static int tdx_cfg_block_mmc_storage(u8 *config_block, int write)
 163 {
 164         struct mmc *mmc;
 165         int dev = CONFIG_TDX_CFG_BLOCK_DEV;
 166         int offset = CONFIG_TDX_CFG_BLOCK_OFFSET;
 167         uint part = CONFIG_TDX_CFG_BLOCK_PART;
 168         uint blk_start;
 169         int ret = 0;
 170
 171         /* Read production parameter config block from eMMC */
 172         mmc = find_mmc_device(dev);
 173         if (!mmc) {
 174                 puts("No MMC card found\n");
 175                 ret = -ENODEV;
 176                 goto out;
 177         }
 178         if (mmc_init(mmc)) {
 179                 puts("MMC init failed\n");
 180                 return -EINVAL;
 181         }
 182         if (part != mmc_get_blk_desc(mmc)->hwpart) {
 183                 if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) {
 184                         puts("MMC partition switch failed\n");
 185                         ret = -ENODEV;
 186                         goto out;
 187                 }
 188         }
 189         if (offset < 0)
 190                 offset += mmc->capacity;
 191         blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;
 192
 193         if (!write) {
 194                 /* Careful reads a whole block of 512 bytes into config_block */
 195                 if (blk_dread(mmc_get_blk_desc(mmc), blk_start, 1,
 196                               (unsigned char *)config_block) != 1) {
 197                         ret = -EIO;
 198                         goto out;
 199                 }
 200         } else {
 201                 /* Just writing one 512 byte block */
 202                 if (blk_dwrite(mmc_get_blk_desc(mmc), blk_start, 1,
 203                                (unsigned char *)config_block) != 1) {
 204                         ret = -EIO;
 205                         goto out;
 206                 }
 207         }
 208
 209 out:
 210         /* Switch back to regular eMMC user partition */
 211         blk_select_hwpart_devnum(IF_TYPE_MMC, 0, 0);
 212
 213         return ret;
 214 }
 215 #endif
 216
 217 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
 218 static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
 219 {
 220         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 221         struct mtd_info *mtd = get_nand_dev_by_index(0);
 222
 223         if (!mtd)
 224                 return -ENODEV;
 225
 226         /* Read production parameter config block from NAND page */
 227         return nand_read_skip_bad(mtd, CONFIG_TDX_CFG_BLOCK_OFFSET,
 228                                   &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
 229                                   config_block);
 230 }
 231
 232 static int write_tdx_cfg_block_to_nand(unsigned char *config_block)
 233 {
 234         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 235
 236         /* Write production parameter config block to NAND page */
 237         return nand_write_skip_bad(get_nand_dev_by_index(0),
 238                                    CONFIG_TDX_CFG_BLOCK_OFFSET,
 239                                    &size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
 240                                    config_block, WITH_WR_VERIFY);
 241 }
 242 #endif
 243
 244 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
 245 static int read_tdx_cfg_block_from_nor(unsigned char *config_block)
 246 {
 247         /* Read production parameter config block from NOR flash */
 248         memcpy(config_block, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET,
 249                TDX_CFG_BLOCK_MAX_SIZE);
 250         return 0;
 251 }
 252
 253 static int write_tdx_cfg_block_to_nor(unsigned char *config_block)
 254 {
 255         /* Write production parameter config block to NOR flash */
 256         return flash_write((void *)config_block, CONFIG_TDX_CFG_BLOCK_OFFSET,
 257                            TDX_CFG_BLOCK_MAX_SIZE);
 258 }
 259 #endif
 260
 261 #ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM
 262 static int read_tdx_cfg_block_from_eeprom(unsigned char *config_block)
 263 {
 264         return read_tdx_eeprom_data(TDX_EEPROM_ID_MODULE, 0x0, config_block,
 265                                     TDX_CFG_BLOCK_MAX_SIZE);
 266 }
 267
 268 static int write_tdx_cfg_block_to_eeprom(unsigned char *config_block)
 269 {
 270         return write_tdx_eeprom_data(TDX_EEPROM_ID_MODULE, 0x0, config_block,
 271                                      TDX_CFG_BLOCK_MAX_SIZE);
 272 }
 273 #endif
 274
 275 int read_tdx_cfg_block(void)
 276 {
 277         int ret = 0;
 278         u8 *config_block = NULL;
 279         struct toradex_tag *tag;
 280         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 281         int offset;
 282
 283         /* Allocate RAM area for config block */
 284         config_block = memalign(ARCH_DMA_MINALIGN, size);
 285         if (!config_block) {
 286                 printf("Not enough malloc space available!\n");
 287                 return -ENOMEM;
 288         }
 289
 290         memset(config_block, 0, size);
 291
 292 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 293         ret = tdx_cfg_block_mmc_storage(config_block, 0);
 294 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 295         ret = read_tdx_cfg_block_from_nand(config_block);
 296 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 297         ret = read_tdx_cfg_block_from_nor(config_block);
 298 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
 299         ret = read_tdx_cfg_block_from_eeprom(config_block);
 300 #else
 301         ret = -EINVAL;
 302 #endif
 303         if (ret)
 304                 goto out;
 305
 306         /* Expect a valid tag first */
 307         tag = (struct toradex_tag *)config_block;
 308         if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
 309                 valid_cfgblock = false;
 310                 ret = -EINVAL;
 311                 goto out;
 312         }
 313         valid_cfgblock = true;
 314         offset = 4;
 315
 316         /*
 317          * check if there is enough space for storing tag and value of the
 318          * biggest element
 319          */
 320         while (offset + sizeof(struct toradex_tag) +
 321                sizeof(struct toradex_hw) < TDX_CFG_BLOCK_MAX_SIZE) {
 322                 tag = (struct toradex_tag *)(config_block + offset);
 323                 offset += 4;
 324                 if (tag->id == TAG_INVALID)
 325                         break;
 326
 327                 if (tag->flags == TAG_FLAG_VALID) {
 328                         switch (tag->id) {
 329                         case TAG_MAC:
 330                                 memcpy(&tdx_eth_addr, config_block + offset,
 331                                        6);
 332
 333                                 /* NIC part of MAC address is serial number */
 334                                 tdx_serial = ntohl(tdx_eth_addr.nic) >> 8;
 335                                 break;
 336                         case TAG_HW:
 337                                 memcpy(&tdx_hw_tag, config_block + offset, 8);
 338                                 break;
 339                         }
 340                 }
 341
 342                 /* Get to next tag according to current tags length */
 343                 offset += tag->len * 4;
 344         }
 345
 346         /* Cap product id to avoid issues with a yet unknown one */
 347         if (tdx_hw_tag.prodid >= (sizeof(toradex_modules) /
 348                                   sizeof(toradex_modules[0])))
 349                 tdx_hw_tag.prodid = 0;
 350
 351 out:
 352         free(config_block);
 353         return ret;
 354 }
 355
 356 static int get_cfgblock_interactive(void)
 357 {
 358         char message[CONFIG_SYS_CBSIZE];
 359         char *soc;
 360         char it = 'n';
 361         char wb = 'n';
 362         int len = 0;
 363
 364         /* Unknown module by default */
 365         tdx_hw_tag.prodid = 0;
 366
 367         if (cpu_is_pxa27x())
 368                 sprintf(message, "Is the module the 312 MHz version? [y/N] ");
 369         else
 370                 it = 'y';
 371
 372 #if defined(CONFIG_TARGET_APALIS_IMX8) || \
 373                 defined(CONFIG_TARGET_APALIS_IMX8X) || \
 374                 defined(CONFIG_TARGET_COLIBRI_IMX6ULL) || \
 375                 defined(CONFIG_TARGET_COLIBRI_IMX8X) || \
 376                 defined(CONFIG_TARGET_VERDIN_IMX8MM) || \
 377                 defined(CONFIG_TARGET_VERDIN_IMX8MP)
 378         sprintf(message, "Does the module have Wi-Fi / Bluetooth? [y/N] ");
 379         len = cli_readline(message);
 380         wb = console_buffer[0];
 381 #endif
 382
 383         soc = env_get("soc");
 384         if (!strcmp("mx6", soc)) {
 385 #ifdef CONFIG_TARGET_APALIS_IMX6
 386                 if (it == 'y' || it == 'Y') {
 387                         if (is_cpu_type(MXC_CPU_MX6Q))
 388                                 tdx_hw_tag.prodid = APALIS_IMX6Q_IT;
 389                         else
 390                                 tdx_hw_tag.prodid = APALIS_IMX6D_IT;
 391                 } else {
 392                         if (is_cpu_type(MXC_CPU_MX6Q))
 393                                 tdx_hw_tag.prodid = APALIS_IMX6Q;
 394                         else
 395                                 tdx_hw_tag.prodid = APALIS_IMX6D;
 396                 }
 397 #elif CONFIG_TARGET_COLIBRI_IMX6
 398                 if (it == 'y' || it == 'Y') {
 399                         if (is_cpu_type(MXC_CPU_MX6DL))
 400                                 tdx_hw_tag.prodid = COLIBRI_IMX6DL_IT;
 401                         else if (is_cpu_type(MXC_CPU_MX6SOLO))
 402                                 tdx_hw_tag.prodid = COLIBRI_IMX6S_IT;
 403                 } else {
 404                         if (is_cpu_type(MXC_CPU_MX6DL))
 405                                 tdx_hw_tag.prodid = COLIBRI_IMX6DL;
 406                         else if (is_cpu_type(MXC_CPU_MX6SOLO))
 407                                 tdx_hw_tag.prodid = COLIBRI_IMX6S;
 408                 }
 409 #elif CONFIG_TARGET_COLIBRI_IMX6ULL
 410                 if (it == 'y' || it == 'Y') {
 411                         if (wb == 'y' || wb == 'Y')
 412                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT_IT;
 413                         else
 414                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_IT;
 415                 } else {
 416                         if (wb == 'y' || wb == 'Y')
 417                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL_WIFI_BT;
 418                         else
 419                                 tdx_hw_tag.prodid = COLIBRI_IMX6ULL;
 420                 }
 421 #endif
 422         } else if (!strcmp("imx7d", soc))
 423                 tdx_hw_tag.prodid = COLIBRI_IMX7D;
 424         else if (!strcmp("imx7s", soc))
 425                 tdx_hw_tag.prodid = COLIBRI_IMX7S;
 426         else if (is_cpu_type(MXC_CPU_IMX8QM)) {
 427                 if (it == 'y' || it == 'Y') {
 428                         if (wb == 'y' || wb == 'Y')
 429                                 tdx_hw_tag.prodid = APALIS_IMX8QM_WIFI_BT_IT;
 430                         else
 431                                 tdx_hw_tag.prodid = APALIS_IMX8QM_IT;
 432                 } else {
 433                         if (wb == 'y' || wb == 'Y')
 434                                 tdx_hw_tag.prodid = APALIS_IMX8QP_WIFI_BT;
 435                         else
 436                                 tdx_hw_tag.prodid = APALIS_IMX8QP;
 437                 }
 438         } else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
 439 #ifdef CONFIG_TARGET_APALIS_IMX8X
 440                 if (it == 'y' || it == 'Y' || wb == 'y' || wb == 'Y') {
 441                                 tdx_hw_tag.prodid = APALIS_IMX8QXP_WIFI_BT_IT;
 442                 } else {
 443                         if (gd->ram_size == 0x40000000)
 444                                 tdx_hw_tag.prodid = APALIS_IMX8DXP;
 445                         else
 446                                 tdx_hw_tag.prodid = APALIS_IMX8QXP;
 447                 }
 448 #elif CONFIG_TARGET_COLIBRI_IMX8X
 449                 if (it == 'y' || it == 'Y') {
 450                         if (wb == 'y' || wb == 'Y')
 451                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_WIFI_BT_IT;
 452                         else
 453                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_IT;
 454                 } else {
 455                         if (wb == 'y' || wb == 'Y')
 456                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX_WIFI_BT;
 457                         else
 458                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX;
 459                 }
 460 #endif
 461         } else if (is_cpu_type(MXC_CPU_IMX8MMDL)) {
 462                 if (wb == 'y' || wb == 'Y')
 463                         tdx_hw_tag.prodid = VERDIN_IMX8MMDL_WIFI_BT_IT;
 464                 else
 465                         tdx_hw_tag.prodid = VERDIN_IMX8MMDL;
 466         } else if (is_cpu_type(MXC_CPU_IMX8MM)) {
 467                 if (wb == 'y' || wb == 'Y')
 468                         tdx_hw_tag.prodid = VERDIN_IMX8MMQ_WIFI_BT_IT;
 469                 else
 470                         tdx_hw_tag.prodid = VERDIN_IMX8MMQ_IT;
 471         } else if (is_cpu_type(MXC_CPU_IMX8MN)) {
 472                 tdx_hw_tag.prodid = VERDIN_IMX8MNQ_WIFI_BT;
 473         } else if (is_cpu_type(MXC_CPU_IMX8MP)) {
 474                 if (wb == 'y' || wb == 'Y')
 475                         tdx_hw_tag.prodid = VERDIN_IMX8MPQ_WIFI_BT_IT;
 476                 else
 477                         tdx_hw_tag.prodid = VERDIN_IMX8MPQ;
 478         } else if (!strcmp("tegra20", soc)) {
 479                 if (it == 'y' || it == 'Y')
 480                         if (gd->ram_size == 0x10000000)
 481                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
 482                         else
 483                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
 484                 else
 485                         if (gd->ram_size == 0x10000000)
 486                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB;
 487                         else
 488                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB;
 489         } else if (cpu_is_pxa27x()) {
 490                 if (it == 'y' || it == 'Y')
 491                         tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
 492                 else
 493                         tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
 494         }
 495 #ifdef CONFIG_MACH_TYPE
 496         else if (!strcmp("tegra30", soc)) {
 497                 if (CONFIG_MACH_TYPE == MACH_TYPE_APALIS_T30) {
 498                         if (it == 'y' || it == 'Y')
 499                                 tdx_hw_tag.prodid = APALIS_T30_IT;
 500                         else
 501                                 if (gd->ram_size == 0x40000000)
 502                                         tdx_hw_tag.prodid = APALIS_T30_1GB;
 503                                 else
 504                                         tdx_hw_tag.prodid = APALIS_T30_2GB;
 505                 } else {
 506                         if (it == 'y' || it == 'Y')
 507                                 tdx_hw_tag.prodid = COLIBRI_T30_IT;
 508                         else
 509                                 tdx_hw_tag.prodid = COLIBRI_T30;
 510                 }
 511         }
 512 #endif /* CONFIG_MACH_TYPE */
 513         else if (!strcmp("tegra124", soc)) {
 514                 tdx_hw_tag.prodid = APALIS_TK1_2GB;
 515         } else if (!strcmp("vf500", soc)) {
 516                 if (it == 'y' || it == 'Y')
 517                         tdx_hw_tag.prodid = COLIBRI_VF50_IT;
 518                 else
 519                         tdx_hw_tag.prodid = COLIBRI_VF50;
 520         } else if (!strcmp("vf610", soc)) {
 521                 if (it == 'y' || it == 'Y')
 522                         tdx_hw_tag.prodid = COLIBRI_VF61_IT;
 523                 else
 524                         tdx_hw_tag.prodid = COLIBRI_VF61;
 525         }
 526
 527         if (!tdx_hw_tag.prodid) {
 528                 printf("Module type not detectable due to unknown SoC\n");
 529                 return -1;
 530         }
 531
 532         while (len < 4) {
 533                 sprintf(message, "Enter the module version (e.g. V1.1B): V");
 534                 len = cli_readline(message);
 535         }
 536
 537         tdx_hw_tag.ver_major = console_buffer[0] - '0';
 538         tdx_hw_tag.ver_minor = console_buffer[2] - '0';
 539         tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
 540
 541         if (cpu_is_pxa27x() && tdx_hw_tag.ver_major == 1)
 542                 tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
 543                                        COLIBRI_PXA270_V1_312MHZ);
 544
 545         while (len < 8) {
 546                 sprintf(message, "Enter module serial number: ");
 547                 len = cli_readline(message);
 548         }
 549
 550         tdx_serial = simple_strtoul(console_buffer, NULL, 10);
 551
 552         return 0;
 553 }
 554
 555 static int get_cfgblock_barcode(char *barcode, struct toradex_hw *tag,
 556                                 u32 *serial)
 557 {
 558         if (strlen(barcode) < 16) {
 559                 printf("Argument too short, barcode is 16 chars long\n");
 560                 return -1;
 561         }
 562
 563         /* Get hardware information from the first 8 digits */
 564         tag->ver_major = barcode[4] - '0';
 565         tag->ver_minor = barcode[5] - '0';
 566         tag->ver_assembly = barcode[7] - '0';
 567
 568         barcode[4] = '\0';
 569         tag->prodid = simple_strtoul(barcode, NULL, 10);
 570
 571         /* Parse second part of the barcode (serial number */
 572         barcode += 8;
 573         *serial = simple_strtoul(barcode, NULL, 10);
 574
 575         return 0;
 576 }
 577
 578 static int write_tag(u8 *config_block, int *offset, int tag_id,
 579                      u8 *tag_data, size_t tag_data_size)
 580 {
 581         struct toradex_tag *tag;
 582
 583         if (!offset || !config_block)
 584                 return -EINVAL;
 585
 586         tag = (struct toradex_tag *)(config_block + *offset);
 587         tag->id = tag_id;
 588         tag->flags = TAG_FLAG_VALID;
 589         /* len is provided as number of 32bit values after the tag */
 590         tag->len = (tag_data_size + sizeof(u32) - 1) / sizeof(u32);
 591         *offset += sizeof(struct toradex_tag);
 592         if (tag_data && tag_data_size) {
 593                 memcpy(config_block + *offset, tag_data,
 594                        tag_data_size);
 595                 *offset += tag_data_size;
 596         }
 597
 598         return 0;
 599 }
 600
 601 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
 602 int read_tdx_cfg_block_carrier(void)
 603 {
 604         int ret = 0;
 605         u8 *config_block = NULL;
 606         struct toradex_tag *tag;
 607         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 608         int offset;
 609
 610         /* Allocate RAM area for carrier config block */
 611         config_block = memalign(ARCH_DMA_MINALIGN, size);
 612         if (!config_block) {
 613                 printf("Not enough malloc space available!\n");
 614                 return -ENOMEM;
 615         }
 616
 617         memset(config_block, 0, size);
 618
 619         ret = read_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 620                                    size);
 621         if (ret)
 622                 return ret;
 623
 624         /* Expect a valid tag first */
 625         tag = (struct toradex_tag *)config_block;
 626         if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
 627                 valid_cfgblock_carrier = false;
 628                 ret = -EINVAL;
 629                 goto out;
 630         }
 631         valid_cfgblock_carrier = true;
 632         offset = 4;
 633
 634         while (offset + sizeof(struct toradex_tag) +
 635                sizeof(struct toradex_hw) < TDX_CFG_BLOCK_MAX_SIZE) {
 636                 tag = (struct toradex_tag *)(config_block + offset);
 637                 offset += 4;
 638                 if (tag->id == TAG_INVALID)
 639                         break;
 640
 641                 if (tag->flags == TAG_FLAG_VALID) {
 642                         switch (tag->id) {
 643                         case TAG_CAR_SERIAL:
 644                                 memcpy(&tdx_car_serial, config_block + offset,
 645                                        sizeof(tdx_car_serial));
 646                                 break;
 647                         case TAG_HW:
 648                                 memcpy(&tdx_car_hw_tag, config_block +
 649                                        offset, 8);
 650                                 break;
 651                         }
 652                 }
 653
 654                 /* Get to next tag according to current tags length */
 655                 offset += tag->len * 4;
 656         }
 657 out:
 658         free(config_block);
 659         return ret;
 660 }
 661
 662 int check_pid8_sanity(char *pid8)
 663 {
 664         char s_carrierid_verdin_dev[5];
 665         char s_carrierid_dahlia[5];
 666
 667         sprintf(s_carrierid_verdin_dev, "0%d", VERDIN_DEVELOPMENT_BOARD);
 668         sprintf(s_carrierid_dahlia, "0%d", DAHLIA);
 669
 670         /* sane value check, first 4 chars which represent carrier id */
 671         if (!strncmp(pid8, s_carrierid_verdin_dev, 4))
 672                 return 0;
 673
 674         if (!strncmp(pid8, s_carrierid_dahlia, 4))
 675                 return 0;
 676
 677         return -EINVAL;
 678 }
 679
 680 int try_migrate_tdx_cfg_block_carrier(void)
 681 {
 682         char pid8[8];
 683         int offset = 0;
 684         int ret = CMD_RET_SUCCESS;
 685         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 686         u8 *config_block;
 687
 688         memset(pid8, 0x0, 8);
 689         ret = read_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, (u8 *)pid8, 8);
 690         if (ret)
 691                 return ret;
 692
 693         if (check_pid8_sanity(pid8))
 694                 return -EINVAL;
 695
 696         /* Allocate RAM area for config block */
 697         config_block = memalign(ARCH_DMA_MINALIGN, size);
 698         if (!config_block) {
 699                 printf("Not enough malloc space available!\n");
 700                 return CMD_RET_FAILURE;
 701         }
 702
 703         memset(config_block, 0xff, size);
 704         /* we try parse PID8 concatenating zeroed serial number */
 705         tdx_car_hw_tag.ver_major = pid8[4] - '0';
 706         tdx_car_hw_tag.ver_minor = pid8[5] - '0';
 707         tdx_car_hw_tag.ver_assembly = pid8[7] - '0';
 708
 709         pid8[4] = '\0';
 710         tdx_car_hw_tag.prodid = simple_strtoul(pid8, NULL, 10);
 711
 712         /* Valid Tag */
 713         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 714
 715         /* Product Tag */
 716         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_car_hw_tag,
 717                   sizeof(tdx_car_hw_tag));
 718
 719         /* Serial Tag */
 720         write_tag(config_block, &offset, TAG_CAR_SERIAL, (u8 *)&tdx_car_serial,
 721                   sizeof(tdx_car_serial));
 722
 723         memset(config_block + offset, 0, 32 - offset);
 724         ret = write_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 725                                     size);
 726         if (ret) {
 727                 printf("Failed to write Toradex Extra config block: %d\n",
 728                        ret);
 729                 ret = CMD_RET_FAILURE;
 730                 goto out;
 731         }
 732
 733         printf("Successfully migrated to Toradex Config Block from PID8\n");
 734
 735 out:
 736         free(config_block);
 737         return ret;
 738 }
 739
 740 static int get_cfgblock_carrier_interactive(void)
 741 {
 742         char message[CONFIG_SYS_CBSIZE];
 743         int len;
 744
 745         printf("Supported carrier boards:\n");
 746         printf("CARRIER BOARD NAME\t\t [ID]\n");
 747         for (int i = 0; i < sizeof(toradex_carrier_boards) /
 748                             sizeof(toradex_carrier_boards[0]); i++)
 749                 if (toradex_carrier_boards[i])
 750                         printf("%s \t\t [%d]\n", toradex_carrier_boards[i], i);
 751
 752         sprintf(message, "Choose your carrier board (provide ID): ");
 753         len = cli_readline(message);
 754         tdx_car_hw_tag.prodid = simple_strtoul(console_buffer, NULL, 10);
 755
 756         do {
 757                 sprintf(message, "Enter carrier board version (e.g. V1.1B): V");
 758                 len = cli_readline(message);
 759         } while (len < 4);
 760
 761         tdx_car_hw_tag.ver_major = console_buffer[0] - '0';
 762         tdx_car_hw_tag.ver_minor = console_buffer[2] - '0';
 763         tdx_car_hw_tag.ver_assembly = console_buffer[3] - 'A';
 764
 765         while (len < 8) {
 766                 sprintf(message, "Enter carrier board serial number: ");
 767                 len = cli_readline(message);
 768         }
 769
 770         tdx_car_serial = simple_strtoul(console_buffer, NULL, 10);
 771
 772         return 0;
 773 }
 774
 775 static int do_cfgblock_carrier_create(struct cmd_tbl *cmdtp, int flag, int argc,
 776                                       char * const argv[])
 777 {
 778         u8 *config_block;
 779         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 780         int offset = 0;
 781         int ret = CMD_RET_SUCCESS;
 782         int err;
 783         int force_overwrite = 0;
 784
 785         if (argc >= 3) {
 786                 if (argv[2][0] == '-' && argv[2][1] == 'y')
 787                         force_overwrite = 1;
 788         }
 789
 790         /* Allocate RAM area for config block */
 791         config_block = memalign(ARCH_DMA_MINALIGN, size);
 792         if (!config_block) {
 793                 printf("Not enough malloc space available!\n");
 794                 return CMD_RET_FAILURE;
 795         }
 796
 797         memset(config_block, 0xff, size);
 798         read_tdx_cfg_block_carrier();
 799         if (valid_cfgblock_carrier && !force_overwrite) {
 800                 char message[CONFIG_SYS_CBSIZE];
 801
 802                 sprintf(message, "A valid Toradex Carrier config block is present, still recreate? [y/N] ");
 803
 804                 if (!cli_readline(message))
 805                         goto out;
 806
 807                 if (console_buffer[0] != 'y' &&
 808                     console_buffer[0] != 'Y')
 809                         goto out;
 810         }
 811
 812         if (argc < 3 || (force_overwrite && argc < 4)) {
 813                 err = get_cfgblock_carrier_interactive();
 814         } else {
 815                 if (force_overwrite)
 816                         err = get_cfgblock_barcode(argv[3], &tdx_car_hw_tag,
 817                                                    &tdx_car_serial);
 818                 else
 819                         err = get_cfgblock_barcode(argv[2], &tdx_car_hw_tag,
 820                                                    &tdx_car_serial);
 821         }
 822
 823         if (err) {
 824                 ret = CMD_RET_FAILURE;
 825                 goto out;
 826         }
 827
 828         /* Valid Tag */
 829         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 830
 831         /* Product Tag */
 832         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_car_hw_tag,
 833                   sizeof(tdx_car_hw_tag));
 834
 835         /* Serial Tag */
 836         write_tag(config_block, &offset, TAG_CAR_SERIAL, (u8 *)&tdx_car_serial,
 837                   sizeof(tdx_car_serial));
 838
 839         memset(config_block + offset, 0, 32 - offset);
 840         err = write_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 841                                     size);
 842         if (err) {
 843                 printf("Failed to write Toradex Extra config block: %d\n",
 844                        ret);
 845                 ret = CMD_RET_FAILURE;
 846                 goto out;
 847         }
 848
 849         printf("Toradex Extra config block successfully written\n");
 850
 851 out:
 852         free(config_block);
 853         return ret;
 854 }
 855
 856 #endif /* CONFIG_TDX_CFG_BLOCK_EXTRA */
 857
 858 static int do_cfgblock_create(struct cmd_tbl *cmdtp, int flag, int argc,
 859                               char * const argv[])
 860 {
 861         u8 *config_block;
 862         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 863         int offset = 0;
 864         int ret = CMD_RET_SUCCESS;
 865         int err;
 866         int force_overwrite = 0;
 867
 868         if (argc >= 3) {
 869 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
 870                 if (!strcmp(argv[2], "carrier"))
 871                         return do_cfgblock_carrier_create(cmdtp, flag,
 872                                                           --argc, ++argv);
 873 #endif /* CONFIG_TDX_CFG_BLOCK_EXTRA */
 874                 if (argv[2][0] == '-' && argv[2][1] == 'y')
 875                         force_overwrite = 1;
 876         }
 877
 878         /* Allocate RAM area for config block */
 879         config_block = memalign(ARCH_DMA_MINALIGN, size);
 880         if (!config_block) {
 881                 printf("Not enough malloc space available!\n");
 882                 return CMD_RET_FAILURE;
 883         }
 884
 885         memset(config_block, 0xff, size);
 886
 887         read_tdx_cfg_block();
 888         if (valid_cfgblock) {
 889 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 890                 /*
 891                  * On NAND devices, recreation is only allowed if the page is
 892                  * empty (config block invalid...)
 893                  */
 894                 printf("NAND erase block %d need to be erased before creating a Toradex config block\n",
 895                        CONFIG_TDX_CFG_BLOCK_OFFSET /
 896                        get_nand_dev_by_index(0)->erasesize);
 897                 goto out;
 898 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 899                 /*
 900                  * On NOR devices, recreation is only allowed if the sector is
 901                  * empty and write protection is off (config block invalid...)
 902                  */
 903                 printf("NOR sector at offset 0x%02x need to be erased and unprotected before creating a Toradex config block\n",
 904                        CONFIG_TDX_CFG_BLOCK_OFFSET);
 905                 goto out;
 906 #else
 907                 if (!force_overwrite) {
 908                         char message[CONFIG_SYS_CBSIZE];
 909
 910                         sprintf(message,
 911                                 "A valid Toradex config block is present, still recreate? [y/N] ");
 912
 913                         if (!cli_readline(message))
 914                                 goto out;
 915
 916                         if (console_buffer[0] != 'y' &&
 917                             console_buffer[0] != 'Y')
 918                                 goto out;
 919                 }
 920 #endif
 921         }
 922
 923         /* Parse new Toradex config block data... */
 924         if (argc < 3 || (force_overwrite && argc < 4)) {
 925                 err = get_cfgblock_interactive();
 926         } else {
 927                 if (force_overwrite)
 928                         err = get_cfgblock_barcode(argv[3], &tdx_hw_tag,
 929                                                    &tdx_serial);
 930                 else
 931                         err = get_cfgblock_barcode(argv[2], &tdx_hw_tag,
 932                                                    &tdx_serial);
 933         }
 934         if (err) {
 935                 ret = CMD_RET_FAILURE;
 936                 goto out;
 937         }
 938
 939         /* Convert serial number to MAC address (the storage format) */
 940         tdx_eth_addr.oui = htonl(0x00142dUL << 8);
 941         tdx_eth_addr.nic = htonl(tdx_serial << 8);
 942
 943         /* Valid Tag */
 944         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 945
 946         /* Product Tag */
 947         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_hw_tag,
 948                   sizeof(tdx_hw_tag));
 949
 950         /* MAC Tag */
 951         write_tag(config_block, &offset, TAG_MAC, (u8 *)&tdx_eth_addr,
 952                   sizeof(tdx_eth_addr));
 953
 954         memset(config_block + offset, 0, 32 - offset);
 955 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 956         err = tdx_cfg_block_mmc_storage(config_block, 1);
 957 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 958         err = write_tdx_cfg_block_to_nand(config_block);
 959 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 960         err = write_tdx_cfg_block_to_nor(config_block);
 961 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
 962         err = write_tdx_cfg_block_to_eeprom(config_block);
 963 #else
 964         err = -EINVAL;
 965 #endif
 966         if (err) {
 967                 printf("Failed to write Toradex config block: %d\n", ret);
 968                 ret = CMD_RET_FAILURE;
 969                 goto out;
 970         }
 971
 972         printf("Toradex config block successfully written\n");
 973
 974 out:
 975         free(config_block);
 976         return ret;
 977 }
 978
 979 static int do_cfgblock(struct cmd_tbl *cmdtp, int flag, int argc,
 980                        char *const argv[])
 981 {
 982         int ret;
 983
 984         if (argc < 2)
 985                 return CMD_RET_USAGE;
 986
 987         if (!strcmp(argv[1], "create")) {
 988                 return do_cfgblock_create(cmdtp, flag, argc, argv);
 989         } else if (!strcmp(argv[1], "reload")) {
 990                 ret = read_tdx_cfg_block();
 991                 if (ret) {
 992                         printf("Failed to reload Toradex config block: %d\n",
 993                                ret);
 994                         return CMD_RET_FAILURE;
 995                 }
 996                 return CMD_RET_SUCCESS;
 997         }
 998
 999         return CMD_RET_USAGE;
1000 }
1001
1002 U_BOOT_CMD(
1003         cfgblock, 5, 0, do_cfgblock,
1004         "Toradex config block handling commands",
1005         "create [-y] [barcode] - (Re-)create Toradex config block\n"
1006         "create carrier [-y] [barcode] - (Re-)create Toradex Carrier config block\n"
1007         "cfgblock reload - Reload Toradex config block from flash"
1008 );