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_IMX8MM))
 427                 tdx_hw_tag.prodid = VERDIN_IMX8MMQ_WIFI_BT_IT;
 428         else if (is_cpu_type(MXC_CPU_IMX8MMDL))
 429                 tdx_hw_tag.prodid = VERDIN_IMX8MMDL;
 430         else if (is_cpu_type(MXC_CPU_IMX8MN))
 431                 tdx_hw_tag.prodid = VERDIN_IMX8MNQ_WIFI_BT;
 432         else if (is_cpu_type(MXC_CPU_IMX8QM)) {
 433                 if (it == 'y' || it == 'Y') {
 434                         if (wb == 'y' || wb == 'Y')
 435                                 tdx_hw_tag.prodid = APALIS_IMX8QM_WIFI_BT_IT;
 436                         else
 437                                 tdx_hw_tag.prodid = APALIS_IMX8QM_IT;
 438                 } else {
 439                         if (wb == 'y' || wb == 'Y')
 440                                 tdx_hw_tag.prodid = APALIS_IMX8QP_WIFI_BT;
 441                         else
 442                                 tdx_hw_tag.prodid = APALIS_IMX8QP;
 443                 }
 444         } else if (is_cpu_type(MXC_CPU_IMX8QXP)) {
 445 #ifdef CONFIG_TARGET_APALIS_IMX8X
 446                 if (it == 'y' || it == 'Y' || wb == 'y' || wb == 'Y') {
 447                                 tdx_hw_tag.prodid = APALIS_IMX8QXP_WIFI_BT_IT;
 448                 } else {
 449                         if (gd->ram_size == 0x40000000)
 450                                 tdx_hw_tag.prodid = APALIS_IMX8DXP;
 451                         else
 452                                 tdx_hw_tag.prodid = APALIS_IMX8QXP;
 453                 }
 454 #elif CONFIG_TARGET_COLIBRI_IMX8X
 455                 if (it == 'y' || it == 'Y') {
 456                         if (wb == 'y' || wb == 'Y')
 457                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_WIFI_BT_IT;
 458                         else
 459                                 tdx_hw_tag.prodid = COLIBRI_IMX8QXP_IT;
 460                 } else {
 461                         if (wb == 'y' || wb == 'Y')
 462                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX_WIFI_BT;
 463                         else
 464                                 tdx_hw_tag.prodid = COLIBRI_IMX8DX;
 465                 }
 466 #endif
 467         } else if (is_cpu_type(MXC_CPU_IMX8MM)) {
 468                 if (is_cpu_type(MXC_CPU_IMX8MMDL)) {
 469                         if (wb == 'y' || wb == 'Y')
 470                                 tdx_hw_tag.prodid = VERDIN_IMX8MMDL_WIFI_BT_IT;
 471                         else
 472                                 tdx_hw_tag.prodid = VERDIN_IMX8MMDL;
 473                 } else {
 474                         if (wb == 'y' || wb == 'Y')
 475                                 tdx_hw_tag.prodid = VERDIN_IMX8MMQ_WIFI_BT_IT;
 476                         else
 477                                 tdx_hw_tag.prodid = VERDIN_IMX8MMQ_IT;
 478                 }
 479         } else if (is_cpu_type(MXC_CPU_IMX8MN)) {
 480                 tdx_hw_tag.prodid = VERDIN_IMX8MNQ_WIFI_BT;
 481         } else if (is_cpu_type(MXC_CPU_IMX8MP)) {
 482                 if (wb == 'y' || wb == 'Y')
 483                         tdx_hw_tag.prodid = VERDIN_IMX8MPQ_WIFI_BT_IT;
 484                 else
 485                         tdx_hw_tag.prodid = VERDIN_IMX8MPQ;
 486         } else if (!strcmp("tegra20", soc)) {
 487                 if (it == 'y' || it == 'Y')
 488                         if (gd->ram_size == 0x10000000)
 489                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
 490                         else
 491                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
 492                 else
 493                         if (gd->ram_size == 0x10000000)
 494                                 tdx_hw_tag.prodid = COLIBRI_T20_256MB;
 495                         else
 496                                 tdx_hw_tag.prodid = COLIBRI_T20_512MB;
 497         } else if (cpu_is_pxa27x()) {
 498                 if (it == 'y' || it == 'Y')
 499                         tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
 500                 else
 501                         tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
 502         }
 503 #ifdef CONFIG_MACH_TYPE
 504         else if (!strcmp("tegra30", soc)) {
 505                 if (CONFIG_MACH_TYPE == MACH_TYPE_APALIS_T30) {
 506                         if (it == 'y' || it == 'Y')
 507                                 tdx_hw_tag.prodid = APALIS_T30_IT;
 508                         else
 509                                 if (gd->ram_size == 0x40000000)
 510                                         tdx_hw_tag.prodid = APALIS_T30_1GB;
 511                                 else
 512                                         tdx_hw_tag.prodid = APALIS_T30_2GB;
 513                 } else {
 514                         if (it == 'y' || it == 'Y')
 515                                 tdx_hw_tag.prodid = COLIBRI_T30_IT;
 516                         else
 517                                 tdx_hw_tag.prodid = COLIBRI_T30;
 518                 }
 519         }
 520 #endif /* CONFIG_MACH_TYPE */
 521         else if (!strcmp("tegra124", soc)) {
 522                 tdx_hw_tag.prodid = APALIS_TK1_2GB;
 523         } else if (!strcmp("vf500", soc)) {
 524                 if (it == 'y' || it == 'Y')
 525                         tdx_hw_tag.prodid = COLIBRI_VF50_IT;
 526                 else
 527                         tdx_hw_tag.prodid = COLIBRI_VF50;
 528         } else if (!strcmp("vf610", soc)) {
 529                 if (it == 'y' || it == 'Y')
 530                         tdx_hw_tag.prodid = COLIBRI_VF61_IT;
 531                 else
 532                         tdx_hw_tag.prodid = COLIBRI_VF61;
 533         }
 534
 535         if (!tdx_hw_tag.prodid) {
 536                 printf("Module type not detectable due to unknown SoC\n");
 537                 return -1;
 538         }
 539
 540         while (len < 4) {
 541                 sprintf(message, "Enter the module version (e.g. V1.1B): V");
 542                 len = cli_readline(message);
 543         }
 544
 545         tdx_hw_tag.ver_major = console_buffer[0] - '0';
 546         tdx_hw_tag.ver_minor = console_buffer[2] - '0';
 547         tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
 548
 549         if (cpu_is_pxa27x() && tdx_hw_tag.ver_major == 1)
 550                 tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
 551                                        COLIBRI_PXA270_V1_312MHZ);
 552
 553         while (len < 8) {
 554                 sprintf(message, "Enter module serial number: ");
 555                 len = cli_readline(message);
 556         }
 557
 558         tdx_serial = simple_strtoul(console_buffer, NULL, 10);
 559
 560         return 0;
 561 }
 562
 563 static int get_cfgblock_barcode(char *barcode, struct toradex_hw *tag,
 564                                 u32 *serial)
 565 {
 566         if (strlen(barcode) < 16) {
 567                 printf("Argument too short, barcode is 16 chars long\n");
 568                 return -1;
 569         }
 570
 571         /* Get hardware information from the first 8 digits */
 572         tag->ver_major = barcode[4] - '0';
 573         tag->ver_minor = barcode[5] - '0';
 574         tag->ver_assembly = barcode[7] - '0';
 575
 576         barcode[4] = '\0';
 577         tag->prodid = simple_strtoul(barcode, NULL, 10);
 578
 579         /* Parse second part of the barcode (serial number */
 580         barcode += 8;
 581         *serial = simple_strtoul(barcode, NULL, 10);
 582
 583         return 0;
 584 }
 585
 586 static int write_tag(u8 *config_block, int *offset, int tag_id,
 587                      u8 *tag_data, size_t tag_data_size)
 588 {
 589         struct toradex_tag *tag;
 590
 591         if (!offset || !config_block)
 592                 return -EINVAL;
 593
 594         tag = (struct toradex_tag *)(config_block + *offset);
 595         tag->id = tag_id;
 596         tag->flags = TAG_FLAG_VALID;
 597         /* len is provided as number of 32bit values after the tag */
 598         tag->len = (tag_data_size + sizeof(u32) - 1) / sizeof(u32);
 599         *offset += sizeof(struct toradex_tag);
 600         if (tag_data && tag_data_size) {
 601                 memcpy(config_block + *offset, tag_data,
 602                        tag_data_size);
 603                 *offset += tag_data_size;
 604         }
 605
 606         return 0;
 607 }
 608
 609 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
 610 int read_tdx_cfg_block_carrier(void)
 611 {
 612         int ret = 0;
 613         u8 *config_block = NULL;
 614         struct toradex_tag *tag;
 615         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 616         int offset;
 617
 618         /* Allocate RAM area for carrier config block */
 619         config_block = memalign(ARCH_DMA_MINALIGN, size);
 620         if (!config_block) {
 621                 printf("Not enough malloc space available!\n");
 622                 return -ENOMEM;
 623         }
 624
 625         memset(config_block, 0, size);
 626
 627         ret = read_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 628                                    size);
 629         if (ret)
 630                 return ret;
 631
 632         /* Expect a valid tag first */
 633         tag = (struct toradex_tag *)config_block;
 634         if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
 635                 valid_cfgblock_carrier = false;
 636                 ret = -EINVAL;
 637                 goto out;
 638         }
 639         valid_cfgblock_carrier = true;
 640         offset = 4;
 641
 642         while (offset + sizeof(struct toradex_tag) +
 643                sizeof(struct toradex_hw) < TDX_CFG_BLOCK_MAX_SIZE) {
 644                 tag = (struct toradex_tag *)(config_block + offset);
 645                 offset += 4;
 646                 if (tag->id == TAG_INVALID)
 647                         break;
 648
 649                 if (tag->flags == TAG_FLAG_VALID) {
 650                         switch (tag->id) {
 651                         case TAG_CAR_SERIAL:
 652                                 memcpy(&tdx_car_serial, config_block + offset,
 653                                        sizeof(tdx_car_serial));
 654                                 break;
 655                         case TAG_HW:
 656                                 memcpy(&tdx_car_hw_tag, config_block +
 657                                        offset, 8);
 658                                 break;
 659                         }
 660                 }
 661
 662                 /* Get to next tag according to current tags length */
 663                 offset += tag->len * 4;
 664         }
 665 out:
 666         free(config_block);
 667         return ret;
 668 }
 669
 670 int check_pid8_sanity(char *pid8)
 671 {
 672         char s_carrierid_verdin_dev[5];
 673         char s_carrierid_dahlia[5];
 674
 675         sprintf(s_carrierid_verdin_dev, "0%d", VERDIN_DEVELOPMENT_BOARD);
 676         sprintf(s_carrierid_dahlia, "0%d", DAHLIA);
 677
 678         /* sane value check, first 4 chars which represent carrier id */
 679         if (!strncmp(pid8, s_carrierid_verdin_dev, 4))
 680                 return 0;
 681
 682         if (!strncmp(pid8, s_carrierid_dahlia, 4))
 683                 return 0;
 684
 685         return -EINVAL;
 686 }
 687
 688 int try_migrate_tdx_cfg_block_carrier(void)
 689 {
 690         char pid8[8];
 691         int offset = 0;
 692         int ret = CMD_RET_SUCCESS;
 693         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 694         u8 *config_block;
 695
 696         memset(pid8, 0x0, 8);
 697         ret = read_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, (u8 *)pid8, 8);
 698         if (ret)
 699                 return ret;
 700
 701         if (check_pid8_sanity(pid8))
 702                 return -EINVAL;
 703
 704         /* Allocate RAM area for config block */
 705         config_block = memalign(ARCH_DMA_MINALIGN, size);
 706         if (!config_block) {
 707                 printf("Not enough malloc space available!\n");
 708                 return CMD_RET_FAILURE;
 709         }
 710
 711         memset(config_block, 0xff, size);
 712         /* we try parse PID8 concatenating zeroed serial number */
 713         tdx_car_hw_tag.ver_major = pid8[4] - '0';
 714         tdx_car_hw_tag.ver_minor = pid8[5] - '0';
 715         tdx_car_hw_tag.ver_assembly = pid8[7] - '0';
 716
 717         pid8[4] = '\0';
 718         tdx_car_hw_tag.prodid = simple_strtoul(pid8, NULL, 10);
 719
 720         /* Valid Tag */
 721         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 722
 723         /* Product Tag */
 724         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_car_hw_tag,
 725                   sizeof(tdx_car_hw_tag));
 726
 727         /* Serial Tag */
 728         write_tag(config_block, &offset, TAG_CAR_SERIAL, (u8 *)&tdx_car_serial,
 729                   sizeof(tdx_car_serial));
 730
 731         memset(config_block + offset, 0, 32 - offset);
 732         ret = write_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 733                                     size);
 734         if (ret) {
 735                 printf("Failed to write Toradex Extra config block: %d\n",
 736                        ret);
 737                 ret = CMD_RET_FAILURE;
 738                 goto out;
 739         }
 740
 741         printf("Successfully migrated to Toradex Config Block from PID8\n");
 742
 743 out:
 744         free(config_block);
 745         return ret;
 746 }
 747
 748 static int get_cfgblock_carrier_interactive(void)
 749 {
 750         char message[CONFIG_SYS_CBSIZE];
 751         int len;
 752
 753         printf("Supported carrier boards:\n");
 754         printf("CARRIER BOARD NAME\t\t [ID]\n");
 755         for (int i = 0; i < sizeof(toradex_carrier_boards) /
 756                             sizeof(toradex_carrier_boards[0]); i++)
 757                 if (toradex_carrier_boards[i])
 758                         printf("%s \t\t [%d]\n", toradex_carrier_boards[i], i);
 759
 760         sprintf(message, "Choose your carrier board (provide ID): ");
 761         len = cli_readline(message);
 762         tdx_car_hw_tag.prodid = simple_strtoul(console_buffer, NULL, 10);
 763
 764         do {
 765                 sprintf(message, "Enter carrier board version (e.g. V1.1B): V");
 766                 len = cli_readline(message);
 767         } while (len < 4);
 768
 769         tdx_car_hw_tag.ver_major = console_buffer[0] - '0';
 770         tdx_car_hw_tag.ver_minor = console_buffer[2] - '0';
 771         tdx_car_hw_tag.ver_assembly = console_buffer[3] - 'A';
 772
 773         while (len < 8) {
 774                 sprintf(message, "Enter carrier board serial number: ");
 775                 len = cli_readline(message);
 776         }
 777
 778         tdx_car_serial = simple_strtoul(console_buffer, NULL, 10);
 779
 780         return 0;
 781 }
 782
 783 static int do_cfgblock_carrier_create(struct cmd_tbl *cmdtp, int flag, int argc,
 784                                       char * const argv[])
 785 {
 786         u8 *config_block;
 787         size_t size = TDX_CFG_BLOCK_EXTRA_MAX_SIZE;
 788         int offset = 0;
 789         int ret = CMD_RET_SUCCESS;
 790         int err;
 791         int force_overwrite = 0;
 792
 793         if (argc >= 3) {
 794                 if (argv[2][0] == '-' && argv[2][1] == 'y')
 795                         force_overwrite = 1;
 796         }
 797
 798         /* Allocate RAM area for config block */
 799         config_block = memalign(ARCH_DMA_MINALIGN, size);
 800         if (!config_block) {
 801                 printf("Not enough malloc space available!\n");
 802                 return CMD_RET_FAILURE;
 803         }
 804
 805         memset(config_block, 0xff, size);
 806         read_tdx_cfg_block_carrier();
 807         if (valid_cfgblock_carrier && !force_overwrite) {
 808                 char message[CONFIG_SYS_CBSIZE];
 809
 810                 sprintf(message, "A valid Toradex Carrier config block is present, still recreate? [y/N] ");
 811
 812                 if (!cli_readline(message))
 813                         goto out;
 814
 815                 if (console_buffer[0] != 'y' &&
 816                     console_buffer[0] != 'Y')
 817                         goto out;
 818         }
 819
 820         if (argc < 3 || (force_overwrite && argc < 4)) {
 821                 err = get_cfgblock_carrier_interactive();
 822         } else {
 823                 if (force_overwrite)
 824                         err = get_cfgblock_barcode(argv[3], &tdx_car_hw_tag,
 825                                                    &tdx_car_serial);
 826                 else
 827                         err = get_cfgblock_barcode(argv[2], &tdx_car_hw_tag,
 828                                                    &tdx_car_serial);
 829         }
 830
 831         if (err) {
 832                 ret = CMD_RET_FAILURE;
 833                 goto out;
 834         }
 835
 836         /* Valid Tag */
 837         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 838
 839         /* Product Tag */
 840         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_car_hw_tag,
 841                   sizeof(tdx_car_hw_tag));
 842
 843         /* Serial Tag */
 844         write_tag(config_block, &offset, TAG_CAR_SERIAL, (u8 *)&tdx_car_serial,
 845                   sizeof(tdx_car_serial));
 846
 847         memset(config_block + offset, 0, 32 - offset);
 848         err = write_tdx_eeprom_data(TDX_EEPROM_ID_CARRIER, 0x0, config_block,
 849                                     size);
 850         if (err) {
 851                 printf("Failed to write Toradex Extra config block: %d\n",
 852                        ret);
 853                 ret = CMD_RET_FAILURE;
 854                 goto out;
 855         }
 856
 857         printf("Toradex Extra config block successfully written\n");
 858
 859 out:
 860         free(config_block);
 861         return ret;
 862 }
 863
 864 #endif /* CONFIG_TDX_CFG_BLOCK_EXTRA */
 865
 866 static int do_cfgblock_create(struct cmd_tbl *cmdtp, int flag, int argc,
 867                               char * const argv[])
 868 {
 869         u8 *config_block;
 870         size_t size = TDX_CFG_BLOCK_MAX_SIZE;
 871         int offset = 0;
 872         int ret = CMD_RET_SUCCESS;
 873         int err;
 874         int force_overwrite = 0;
 875
 876         if (argc >= 3) {
 877 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
 878                 if (!strcmp(argv[2], "carrier"))
 879                         return do_cfgblock_carrier_create(cmdtp, flag,
 880                                                           --argc, ++argv);
 881 #endif /* CONFIG_TDX_CFG_BLOCK_EXTRA */
 882                 if (argv[2][0] == '-' && argv[2][1] == 'y')
 883                         force_overwrite = 1;
 884         }
 885
 886         /* Allocate RAM area for config block */
 887         config_block = memalign(ARCH_DMA_MINALIGN, size);
 888         if (!config_block) {
 889                 printf("Not enough malloc space available!\n");
 890                 return CMD_RET_FAILURE;
 891         }
 892
 893         memset(config_block, 0xff, size);
 894
 895         read_tdx_cfg_block();
 896         if (valid_cfgblock) {
 897 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 898                 /*
 899                  * On NAND devices, recreation is only allowed if the page is
 900                  * empty (config block invalid...)
 901                  */
 902                 printf("NAND erase block %d need to be erased before creating a Toradex config block\n",
 903                        CONFIG_TDX_CFG_BLOCK_OFFSET /
 904                        get_nand_dev_by_index(0)->erasesize);
 905                 goto out;
 906 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 907                 /*
 908                  * On NOR devices, recreation is only allowed if the sector is
 909                  * empty and write protection is off (config block invalid...)
 910                  */
 911                 printf("NOR sector at offset 0x%02x need to be erased and unprotected before creating a Toradex config block\n",
 912                        CONFIG_TDX_CFG_BLOCK_OFFSET);
 913                 goto out;
 914 #else
 915                 if (!force_overwrite) {
 916                         char message[CONFIG_SYS_CBSIZE];
 917
 918                         sprintf(message,
 919                                 "A valid Toradex config block is present, still recreate? [y/N] ");
 920
 921                         if (!cli_readline(message))
 922                                 goto out;
 923
 924                         if (console_buffer[0] != 'y' &&
 925                             console_buffer[0] != 'Y')
 926                                 goto out;
 927                 }
 928 #endif
 929         }
 930
 931         /* Parse new Toradex config block data... */
 932         if (argc < 3 || (force_overwrite && argc < 4)) {
 933                 err = get_cfgblock_interactive();
 934         } else {
 935                 if (force_overwrite)
 936                         err = get_cfgblock_barcode(argv[3], &tdx_hw_tag,
 937                                                    &tdx_serial);
 938                 else
 939                         err = get_cfgblock_barcode(argv[2], &tdx_hw_tag,
 940                                                    &tdx_serial);
 941         }
 942         if (err) {
 943                 ret = CMD_RET_FAILURE;
 944                 goto out;
 945         }
 946
 947         /* Convert serial number to MAC address (the storage format) */
 948         tdx_eth_addr.oui = htonl(0x00142dUL << 8);
 949         tdx_eth_addr.nic = htonl(tdx_serial << 8);
 950
 951         /* Valid Tag */
 952         write_tag(config_block, &offset, TAG_VALID, NULL, 0);
 953
 954         /* Product Tag */
 955         write_tag(config_block, &offset, TAG_HW, (u8 *)&tdx_hw_tag,
 956                   sizeof(tdx_hw_tag));
 957
 958         /* MAC Tag */
 959         write_tag(config_block, &offset, TAG_MAC, (u8 *)&tdx_eth_addr,
 960                   sizeof(tdx_eth_addr));
 961
 962         memset(config_block + offset, 0, 32 - offset);
 963 #if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
 964         err = tdx_cfg_block_mmc_storage(config_block, 1);
 965 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
 966         err = write_tdx_cfg_block_to_nand(config_block);
 967 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
 968         err = write_tdx_cfg_block_to_nor(config_block);
 969 #elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_EEPROM)
 970         err = write_tdx_cfg_block_to_eeprom(config_block);
 971 #else
 972         err = -EINVAL;
 973 #endif
 974         if (err) {
 975                 printf("Failed to write Toradex config block: %d\n", ret);
 976                 ret = CMD_RET_FAILURE;
 977                 goto out;
 978         }
 979
 980         printf("Toradex config block successfully written\n");
 981
 982 out:
 983         free(config_block);
 984         return ret;
 985 }
 986
 987 static int do_cfgblock(struct cmd_tbl *cmdtp, int flag, int argc,
 988                        char *const argv[])
 989 {
 990         int ret;
 991
 992         if (argc < 2)
 993                 return CMD_RET_USAGE;
 994
 995         if (!strcmp(argv[1], "create")) {
 996                 return do_cfgblock_create(cmdtp, flag, argc, argv);
 997         } else if (!strcmp(argv[1], "reload")) {
 998                 ret = read_tdx_cfg_block();
 999                 if (ret) {
1000                         printf("Failed to reload Toradex config block: %d\n",
1001                                ret);
1002                         return CMD_RET_FAILURE;
1003                 }
1004                 return CMD_RET_SUCCESS;
1005         }
1006
1007         return CMD_RET_USAGE;
1008 }
1009
1010 U_BOOT_CMD(
1011         cfgblock, 5, 0, do_cfgblock,
1012         "Toradex config block handling commands",
1013         "create [-y] [barcode] - (Re-)create Toradex config block\n"
1014         "create carrier [-y] [barcode] - (Re-)create Toradex Carrier config block\n"
1015         "cfgblock reload - Reload Toradex config block from flash"
1016 );