cmd/fpga.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2000, 2001
   4  * Rich Ireland, Enterasys Networks, [email protected].
   5  */
   6
   7 /*
   8  *  FPGA support
   9  */
  10 #include <common.h>
  11 #include <command.h>
  12 #include <env.h>
  13 #include <fpga.h>
  14 #include <fs.h>
  15 #include <gzip.h>
  16 #include <image.h>
  17 #include <malloc.h>
  18
  19 static long do_fpga_get_device(char *arg)
  20 {
  21         long dev = FPGA_INVALID_DEVICE;
  22         char *devstr = env_get("fpga");
  23
  24         if (devstr)
  25                 /* Should be strtol to handle -1 cases */
  26                 dev = simple_strtol(devstr, NULL, 16);
  27
  28         if (dev == FPGA_INVALID_DEVICE && arg)
  29                 dev = simple_strtol(arg, NULL, 16);
  30
  31         debug("%s: device = %ld\n", __func__, dev);
  32
  33         return dev;
  34 }
  35
  36 static int do_fpga_check_params(long *dev, long *fpga_data, size_t *data_size,
  37                                 struct cmd_tbl *cmdtp, int argc,
  38                                 char *const argv[])
  39 {
  40         size_t local_data_size;
  41         long local_fpga_data;
  42
  43         debug("%s %d, %d\n", __func__, argc, cmdtp->maxargs);
  44
  45         if (argc != cmdtp->maxargs) {
  46                 debug("fpga: incorrect parameters passed\n");
  47                 return CMD_RET_USAGE;
  48         }
  49
  50         *dev = do_fpga_get_device(argv[0]);
  51
  52         local_fpga_data = simple_strtol(argv[1], NULL, 16);
  53         if (!local_fpga_data) {
  54                 debug("fpga: zero fpga_data address\n");
  55                 return CMD_RET_USAGE;
  56         }
  57         *fpga_data = local_fpga_data;
  58
  59         local_data_size = simple_strtoul(argv[2], NULL, 16);
  60         if (!local_data_size) {
  61                 debug("fpga: zero size\n");
  62                 return CMD_RET_USAGE;
  63         }
  64         *data_size = local_data_size;
  65
  66         return 0;
  67 }
  68
  69 #if defined(CONFIG_CMD_FPGA_LOAD_SECURE)
  70 int do_fpga_loads(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  71 {
  72         size_t data_size = 0;
  73         long fpga_data, dev;
  74         int ret;
  75         struct fpga_secure_info fpga_sec_info;
  76
  77         memset(&fpga_sec_info, 0, sizeof(fpga_sec_info));
  78
  79         if (argc < 5) {
  80                 debug("fpga: incorrect parameters passed\n");
  81                 return CMD_RET_USAGE;
  82         }
  83
  84         if (argc == 6)
  85                 fpga_sec_info.userkey_addr = (u8 *)(uintptr_t)
  86                                               simple_strtoull(argv[5],
  87                                                               NULL, 16);
  88         else
  89                 /*
  90                  * If 6th parameter is not passed then do_fpga_check_params
  91                  * will get 5 instead of expected 6 which means that function
  92                  * return CMD_RET_USAGE. Increase number of params +1 to pass
  93                  * this.
  94                  */
  95                 argc++;
  96
  97         fpga_sec_info.encflag = (u8)simple_strtoul(argv[4], NULL, 16);
  98         fpga_sec_info.authflag = (u8)simple_strtoul(argv[3], NULL, 16);
  99
 100         if (fpga_sec_info.authflag >= FPGA_NO_ENC_OR_NO_AUTH &&
 101             fpga_sec_info.encflag >= FPGA_NO_ENC_OR_NO_AUTH) {
 102                 debug("fpga: Use <fpga load> for NonSecure bitstream\n");
 103                 return CMD_RET_USAGE;
 104         }
 105
 106         if (fpga_sec_info.encflag == FPGA_ENC_USR_KEY &&
 107             !fpga_sec_info.userkey_addr) {
 108                 debug("fpga: User key not provided\n");
 109                 return CMD_RET_USAGE;
 110         }
 111
 112         ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
 113                                    cmdtp, argc, argv);
 114         if (ret)
 115                 return ret;
 116
 117         return fpga_loads(dev, (void *)fpga_data, data_size, &fpga_sec_info);
 118 }
 119 #endif
 120
 121 #if defined(CONFIG_CMD_FPGA_LOADFS)
 122 static int do_fpga_loadfs(struct cmd_tbl *cmdtp, int flag, int argc,
 123                           char *const argv[])
 124 {
 125         size_t data_size = 0;
 126         long fpga_data, dev;
 127         int ret;
 128         fpga_fs_info fpga_fsinfo;
 129
 130         ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
 131                                    cmdtp, argc, argv);
 132         if (ret)
 133                 return ret;
 134
 135         fpga_fsinfo.fstype = FS_TYPE_ANY;
 136         fpga_fsinfo.blocksize = (unsigned int)simple_strtoul(argv[3], NULL, 16);
 137         fpga_fsinfo.interface = argv[4];
 138         fpga_fsinfo.dev_part = argv[5];
 139         fpga_fsinfo.filename = argv[6];
 140
 141         return fpga_fsload(dev, (void *)fpga_data, data_size, &fpga_fsinfo);
 142 }
 143 #endif
 144
 145 static int do_fpga_info(struct cmd_tbl *cmdtp, int flag, int argc,
 146                         char *const argv[])
 147 {
 148         long dev = do_fpga_get_device(argv[0]);
 149
 150         return fpga_info(dev);
 151 }
 152
 153 static int do_fpga_dump(struct cmd_tbl *cmdtp, int flag, int argc,
 154                         char *const argv[])
 155 {
 156         size_t data_size = 0;
 157         long fpga_data, dev;
 158         int ret;
 159
 160         ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
 161                                    cmdtp, argc, argv);
 162         if (ret)
 163                 return ret;
 164
 165         return fpga_dump(dev, (void *)fpga_data, data_size);
 166 }
 167
 168 static int do_fpga_load(struct cmd_tbl *cmdtp, int flag, int argc,
 169                         char *const argv[])
 170 {
 171         size_t data_size = 0;
 172         long fpga_data, dev;
 173         int ret;
 174
 175         ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
 176                                    cmdtp, argc, argv);
 177         if (ret)
 178                 return ret;
 179
 180         return fpga_load(dev, (void *)fpga_data, data_size, BIT_FULL);
 181 }
 182
 183 static int do_fpga_loadb(struct cmd_tbl *cmdtp, int flag, int argc,
 184                          char *const argv[])
 185 {
 186         size_t data_size = 0;
 187         long fpga_data, dev;
 188         int ret;
 189
 190         ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
 191                                    cmdtp, argc, argv);
 192         if (ret)
 193                 return ret;
 194
 195         return fpga_loadbitstream(dev, (void *)fpga_data, data_size, BIT_FULL);
 196 }
 197
 198 #if defined(CONFIG_CMD_FPGA_LOADP)
 199 static int do_fpga_loadp(struct cmd_tbl *cmdtp, int flag, int argc,
 200                          char *const argv[])
 201 {
 202         size_t data_size = 0;
 203         long fpga_data, dev;
 204         int ret;
 205
 206         ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
 207                                    cmdtp, argc, argv);
 208         if (ret)
 209                 return ret;
 210
 211         return fpga_load(dev, (void *)fpga_data, data_size, BIT_PARTIAL);
 212 }
 213 #endif
 214
 215 #if defined(CONFIG_CMD_FPGA_LOADBP)
 216 static int do_fpga_loadbp(struct cmd_tbl *cmdtp, int flag, int argc,
 217                           char *const argv[])
 218 {
 219         size_t data_size = 0;
 220         long fpga_data, dev;
 221         int ret;
 222
 223         ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
 224                                    cmdtp, argc, argv);
 225         if (ret)
 226                 return ret;
 227
 228         return fpga_loadbitstream(dev, (void *)fpga_data, data_size,
 229                                   BIT_PARTIAL);
 230 }
 231 #endif
 232
 233 #if defined(CONFIG_CMD_FPGA_LOADMK)
 234 static int do_fpga_loadmk(struct cmd_tbl *cmdtp, int flag, int argc,
 235                           char *const argv[])
 236 {
 237         size_t data_size = 0;
 238         void *fpga_data = NULL;
 239 #if defined(CONFIG_FIT)
 240         const char *fit_uname = NULL;
 241         ulong fit_addr;
 242 #endif
 243         ulong dev = do_fpga_get_device(argv[0]);
 244         char *datastr = env_get("fpgadata");
 245
 246         debug("fpga: argc %x, dev %lx, datastr %s\n", argc, dev, datastr);
 247
 248         if (dev == FPGA_INVALID_DEVICE) {
 249                 debug("fpga: Invalid fpga device\n");
 250                 return CMD_RET_USAGE;
 251         }
 252
 253         if (argc == 0 && !datastr) {
 254                 debug("fpga: No datastr passed\n");
 255                 return CMD_RET_USAGE;
 256         }
 257
 258         if (argc == 2) {
 259                 datastr = argv[1];
 260                 debug("fpga: Full command with two args\n");
 261         } else if (argc == 1 && !datastr) {
 262                 debug("fpga: Dev is setup - fpgadata passed\n");
 263                 datastr = argv[0];
 264         }
 265
 266 #if defined(CONFIG_FIT)
 267         if (fit_parse_subimage(datastr, (ulong)fpga_data,
 268                                &fit_addr, &fit_uname)) {
 269                 fpga_data = (void *)fit_addr;
 270                 debug("*  fpga: subimage '%s' from FIT image ",
 271                       fit_uname);
 272                 debug("at 0x%08lx\n", fit_addr);
 273         } else
 274 #endif
 275         {
 276                 fpga_data = (void *)simple_strtoul(datastr, NULL, 16);
 277                 debug("*  fpga: cmdline image address = 0x%08lx\n",
 278                       (ulong)fpga_data);
 279         }
 280         debug("%s: fpga_data = 0x%lx\n", __func__, (ulong)fpga_data);
 281         if (!fpga_data) {
 282                 puts("Zero fpga_data address\n");
 283                 return CMD_RET_USAGE;
 284         }
 285
 286         switch (genimg_get_format(fpga_data)) {
 287 #if defined(CONFIG_LEGACY_IMAGE_FORMAT)
 288         case IMAGE_FORMAT_LEGACY:
 289         {
 290                 image_header_t *hdr = (image_header_t *)fpga_data;
 291                 ulong data;
 292                 u8 comp;
 293
 294                 comp = image_get_comp(hdr);
 295                 if (comp == IH_COMP_GZIP) {
 296 #if defined(CONFIG_GZIP)
 297                         ulong image_buf = image_get_data(hdr);
 298                         ulong image_size = ~0UL;
 299
 300                         data = image_get_load(hdr);
 301
 302                         if (gunzip((void *)data, ~0UL, (void *)image_buf,
 303                                    &image_size) != 0) {
 304                                 puts("GUNZIP: error\n");
 305                                 return CMD_RET_FAILURE;
 306                         }
 307                         data_size = image_size;
 308 #else
 309                         puts("Gunzip image is not supported\n");
 310                         return 1;
 311 #endif
 312                 } else {
 313                         data = (ulong)image_get_data(hdr);
 314                         data_size = image_get_data_size(hdr);
 315                 }
 316                 return fpga_load(dev, (void *)data, data_size,
 317                                   BIT_FULL);
 318         }
 319 #endif
 320 #if defined(CONFIG_FIT)
 321         case IMAGE_FORMAT_FIT:
 322         {
 323                 const void *fit_hdr = (const void *)fpga_data;
 324                 int noffset;
 325                 const void *fit_data;
 326
 327                 if (!fit_uname) {
 328                         puts("No FIT subimage unit name\n");
 329                         return CMD_RET_FAILURE;
 330                 }
 331
 332                 if (!fit_check_format(fit_hdr)) {
 333                         puts("Bad FIT image format\n");
 334                         return CMD_RET_FAILURE;
 335                 }
 336
 337                 /* get fpga component image node offset */
 338                 noffset = fit_image_get_node(fit_hdr, fit_uname);
 339                 if (noffset < 0) {
 340                         printf("Can't find '%s' FIT subimage\n", fit_uname);
 341                         return CMD_RET_FAILURE;
 342                 }
 343
 344                 /* verify integrity */
 345                 if (!fit_image_verify(fit_hdr, noffset)) {
 346                         puts("Bad Data Hash\n");
 347                         return CMD_RET_FAILURE;
 348                 }
 349
 350                 /* get fpga subimage/external data address and length */
 351                 if (fit_image_get_data_and_size(fit_hdr, noffset,
 352                                                &fit_data, &data_size)) {
 353                         puts("Fpga subimage data not found\n");
 354                         return CMD_RET_FAILURE;
 355                 }
 356
 357                 return fpga_load(dev, fit_data, data_size, BIT_FULL);
 358         }
 359 #endif
 360         default:
 361                 puts("** Unknown image type\n");
 362                 return CMD_RET_FAILURE;
 363         }
 364 }
 365 #endif
 366
 367 static struct cmd_tbl fpga_commands[] = {
 368         U_BOOT_CMD_MKENT(info, 1, 1, do_fpga_info, "", ""),
 369         U_BOOT_CMD_MKENT(dump, 3, 1, do_fpga_dump, "", ""),
 370         U_BOOT_CMD_MKENT(load, 3, 1, do_fpga_load, "", ""),
 371         U_BOOT_CMD_MKENT(loadb, 3, 1, do_fpga_loadb, "", ""),
 372 #if defined(CONFIG_CMD_FPGA_LOADP)
 373         U_BOOT_CMD_MKENT(loadp, 3, 1, do_fpga_loadp, "", ""),
 374 #endif
 375 #if defined(CONFIG_CMD_FPGA_LOADBP)
 376         U_BOOT_CMD_MKENT(loadbp, 3, 1, do_fpga_loadbp, "", ""),
 377 #endif
 378 #if defined(CONFIG_CMD_FPGA_LOADFS)
 379         U_BOOT_CMD_MKENT(loadfs, 7, 1, do_fpga_loadfs, "", ""),
 380 #endif
 381 #if defined(CONFIG_CMD_FPGA_LOADMK)
 382         U_BOOT_CMD_MKENT(loadmk, 2, 1, do_fpga_loadmk, "", ""),
 383 #endif
 384 #if defined(CONFIG_CMD_FPGA_LOAD_SECURE)
 385         U_BOOT_CMD_MKENT(loads, 6, 1, do_fpga_loads, "", ""),
 386 #endif
 387 };
 388
 389 static int do_fpga_wrapper(struct cmd_tbl *cmdtp, int flag, int argc,
 390                            char *const argv[])
 391 {
 392         struct cmd_tbl *fpga_cmd;
 393         int ret;
 394
 395         if (argc < 2)
 396                 return CMD_RET_USAGE;
 397
 398         fpga_cmd = find_cmd_tbl(argv[1], fpga_commands,
 399                                 ARRAY_SIZE(fpga_commands));
 400         if (!fpga_cmd) {
 401                 debug("fpga: non existing command\n");
 402                 return CMD_RET_USAGE;
 403         }
 404
 405         argc -= 2;
 406         argv += 2;
 407
 408         if (argc > fpga_cmd->maxargs) {
 409                 debug("fpga: more parameters passed\n");
 410                 return CMD_RET_USAGE;
 411         }
 412
 413         ret = fpga_cmd->cmd(fpga_cmd, flag, argc, argv);
 414
 415         return cmd_process_error(fpga_cmd, ret);
 416 }
 417
 418 #if defined(CONFIG_CMD_FPGA_LOADFS) || defined(CONFIG_CMD_FPGA_LOAD_SECURE)
 419 U_BOOT_CMD(fpga, 9, 1, do_fpga_wrapper,
 420 #else
 421 U_BOOT_CMD(fpga, 6, 1, do_fpga_wrapper,
 422 #endif
 423            "loadable FPGA image support",
 424            "[operation type] [device number] [image address] [image size]\n"
 425            "fpga operations:\n"
 426            "  dump\t[dev] [address] [size]\tLoad device to memory buffer\n"
 427            "  info\t[dev]\t\t\tlist known device information\n"
 428            "  load\t[dev] [address] [size]\tLoad device from memory buffer\n"
 429 #if defined(CONFIG_CMD_FPGA_LOADP)
 430            "  loadp\t[dev] [address] [size]\t"
 431            "Load device from memory buffer with partial bitstream\n"
 432 #endif
 433            "  loadb\t[dev] [address] [size]\t"
 434            "Load device from bitstream buffer (Xilinx only)\n"
 435 #if defined(CONFIG_CMD_FPGA_LOADBP)
 436            "  loadbp\t[dev] [address] [size]\t"
 437            "Load device from bitstream buffer with partial bitstream"
 438            "(Xilinx only)\n"
 439 #endif
 440 #if defined(CONFIG_CMD_FPGA_LOADFS)
 441            "Load device from filesystem (FAT by default) (Xilinx only)\n"
 442            "  loadfs [dev] [address] [image size] [blocksize] <interface>\n"
 443            "        [<dev[:part]>] <filename>\n"
 444 #endif
 445 #if defined(CONFIG_CMD_FPGA_LOADMK)
 446            "  loadmk [dev] [address]\tLoad device generated with mkimage"
 447 #if defined(CONFIG_FIT)
 448            "\n"
 449            "\tFor loadmk operating on FIT format uImage address must include\n"
 450            "\tsubimage unit name in the form of addr:<subimg_uname>"
 451 #endif
 452 #endif
 453 #if defined(CONFIG_CMD_FPGA_LOAD_SECURE)
 454            "Load encrypted bitstream (Xilinx only)\n"
 455            "  loads [dev] [address] [size] [auth-OCM-0/DDR-1/noauth-2]\n"
 456            "        [enc-devkey(0)/userkey(1)/nenc(2) [Userkey address]\n"
 457            "Loads the secure bistreams(authenticated/encrypted/both\n"
 458            "authenticated and encrypted) of [size] from [address].\n"
 459            "The auth-OCM/DDR flag specifies to perform authentication\n"
 460            "in OCM or in DDR. 0 for OCM, 1 for DDR, 2 for no authentication.\n"
 461            "The enc flag specifies which key to be used for decryption\n"
 462            "0-device key, 1-user key, 2-no encryption.\n"
 463            "The optional Userkey address specifies from which address key\n"
 464            "has to be used for decryption if user key is selected.\n"
 465            "NOTE: the secure bitstream has to be created using Xilinx\n"
 466            "bootgen tool only.\n"
 467 #endif
 468 );