cmd/fpga.c

   1 /*
   2  * (C) Copyright 2000, 2001
   3  * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 /*
   9  *  FPGA support
  10  */
  11 #include <common.h>
  12 #include <command.h>
  13 #include <fpga.h>
  14 #include <fs.h>
  15 #include <malloc.h>
  16
  17 /* Local functions */
  18 static int fpga_get_op(char *opstr);
  19
  20 /* Local defines */
  21 #define FPGA_NONE   -1
  22 #define FPGA_INFO   0
  23 #define FPGA_LOAD   1
  24 #define FPGA_LOADB  2
  25 #define FPGA_DUMP   3
  26 #define FPGA_LOADMK 4
  27 #define FPGA_LOADP  5
  28 #define FPGA_LOADBP 6
  29 #define FPGA_LOADFS 7
  30
  31 /* ------------------------------------------------------------------------- */
  32 /* command form:
  33  *   fpga <op> <device number> <data addr> <datasize>
  34  * where op is 'load', 'dump', or 'info'
  35  * If there is no device number field, the fpga environment variable is used.
  36  * If there is no data addr field, the fpgadata environment variable is used.
  37  * The info command requires no data address field.
  38  */
  39 int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  40 {
  41         int op, dev = FPGA_INVALID_DEVICE;
  42         size_t data_size = 0;
  43         void *fpga_data = NULL;
  44         char *devstr = getenv("fpga");
  45         char *datastr = getenv("fpgadata");
  46         int rc = FPGA_FAIL;
  47         int wrong_parms = 0;
  48 #if defined(CONFIG_FIT)
  49         const char *fit_uname = NULL;
  50         ulong fit_addr;
  51 #endif
  52 #if defined(CONFIG_CMD_FPGA_LOADFS)
  53         fpga_fs_info fpga_fsinfo;
  54         fpga_fsinfo.fstype = FS_TYPE_ANY;
  55 #endif
  56
  57         if (devstr)
  58                 dev = (int) simple_strtoul(devstr, NULL, 16);
  59         if (datastr)
  60                 fpga_data = (void *)simple_strtoul(datastr, NULL, 16);
  61
  62         switch (argc) {
  63 #if defined(CONFIG_CMD_FPGA_LOADFS)
  64         case 9:
  65                 fpga_fsinfo.blocksize = (unsigned int)
  66                                              simple_strtoul(argv[5], NULL, 16);
  67                 fpga_fsinfo.interface = argv[6];
  68                 fpga_fsinfo.dev_part = argv[7];
  69                 fpga_fsinfo.filename = argv[8];
  70 #endif
  71         case 5:         /* fpga <op> <dev> <data> <datasize> */
  72                 data_size = simple_strtoul(argv[4], NULL, 16);
  73
  74         case 4:         /* fpga <op> <dev> <data> */
  75 #if defined(CONFIG_FIT)
  76                 if (fit_parse_subimage(argv[3], (ulong)fpga_data,
  77                                        &fit_addr, &fit_uname)) {
  78                         fpga_data = (void *)fit_addr;
  79                         debug("*  fpga: subimage '%s' from FIT image ",
  80                               fit_uname);
  81                         debug("at 0x%08lx\n", fit_addr);
  82                 } else
  83 #endif
  84                 {
  85                         fpga_data = (void *)simple_strtoul(argv[3], NULL, 16);
  86                         debug("*  fpga: cmdline image address = 0x%08lx\n",
  87                               (ulong)fpga_data);
  88                 }
  89                 debug("%s: fpga_data = 0x%lx\n", __func__, (ulong)fpga_data);
  90
  91         case 3:         /* fpga <op> <dev | data addr> */
  92                 dev = (int)simple_strtoul(argv[2], NULL, 16);
  93                 debug("%s: device = %d\n", __func__, dev);
  94                 /* FIXME - this is a really weak test */
  95                 if ((argc == 3) && (dev > fpga_count())) {
  96                         /* must be buffer ptr */
  97                         debug("%s: Assuming buffer pointer in arg 3\n",
  98                               __func__);
  99
 100 #if defined(CONFIG_FIT)
 101                         if (fit_parse_subimage(argv[2], (ulong)fpga_data,
 102                                                &fit_addr, &fit_uname)) {
 103                                 fpga_data = (void *)fit_addr;
 104                                 debug("*  fpga: subimage '%s' from FIT image ",
 105                                       fit_uname);
 106                                 debug("at 0x%08lx\n", fit_addr);
 107                         } else
 108 #endif
 109                         {
 110                                 fpga_data = (void *)(uintptr_t)dev;
 111                                 debug("*  fpga: cmdline image addr = 0x%08lx\n",
 112                                       (ulong)fpga_data);
 113                         }
 114
 115                         debug("%s: fpga_data = 0x%lx\n",
 116                               __func__, (ulong)fpga_data);
 117                         dev = FPGA_INVALID_DEVICE;      /* reset device num */
 118                 }
 119
 120         case 2:         /* fpga <op> */
 121                 op = (int)fpga_get_op(argv[1]);
 122                 break;
 123
 124         default:
 125                 debug("%s: Too many or too few args (%d)\n", __func__, argc);
 126                 op = FPGA_NONE; /* force usage display */
 127                 break;
 128         }
 129
 130         if (dev == FPGA_INVALID_DEVICE) {
 131                 puts("FPGA device not specified\n");
 132                 op = FPGA_NONE;
 133         }
 134
 135         switch (op) {
 136         case FPGA_NONE:
 137         case FPGA_INFO:
 138                 break;
 139 #if defined(CONFIG_CMD_FPGA_LOADFS)
 140         case FPGA_LOADFS:
 141                 /* Blocksize can be zero */
 142                 if (!fpga_fsinfo.interface || !fpga_fsinfo.dev_part ||
 143                     !fpga_fsinfo.filename)
 144                         wrong_parms = 1;
 145 #endif
 146         case FPGA_LOAD:
 147         case FPGA_LOADP:
 148         case FPGA_LOADB:
 149         case FPGA_LOADBP:
 150         case FPGA_DUMP:
 151                 if (!fpga_data || !data_size)
 152                         wrong_parms = 1;
 153                 break;
 154 #if defined(CONFIG_CMD_FPGA_LOADMK)
 155         case FPGA_LOADMK:
 156                 if (!fpga_data)
 157                         wrong_parms = 1;
 158                 break;
 159 #endif
 160         }
 161
 162         if (wrong_parms) {
 163                 puts("Wrong parameters for FPGA request\n");
 164                 op = FPGA_NONE;
 165         }
 166
 167         switch (op) {
 168         case FPGA_NONE:
 169                 return CMD_RET_USAGE;
 170
 171         case FPGA_INFO:
 172                 rc = fpga_info(dev);
 173                 break;
 174
 175         case FPGA_LOAD:
 176                 rc = fpga_load(dev, fpga_data, data_size, BIT_FULL);
 177                 break;
 178
 179 #if defined(CONFIG_CMD_FPGA_LOADP)
 180         case FPGA_LOADP:
 181                 rc = fpga_load(dev, fpga_data, data_size, BIT_PARTIAL);
 182                 break;
 183 #endif
 184
 185         case FPGA_LOADB:
 186                 rc = fpga_loadbitstream(dev, fpga_data, data_size, BIT_FULL);
 187                 break;
 188
 189 #if defined(CONFIG_CMD_FPGA_LOADBP)
 190         case FPGA_LOADBP:
 191                 rc = fpga_loadbitstream(dev, fpga_data, data_size, BIT_PARTIAL);
 192                 break;
 193 #endif
 194
 195 #if defined(CONFIG_CMD_FPGA_LOADFS)
 196         case FPGA_LOADFS:
 197                 rc = fpga_fsload(dev, fpga_data, data_size, &fpga_fsinfo);
 198                 break;
 199 #endif
 200
 201 #if defined(CONFIG_CMD_FPGA_LOADMK)
 202         case FPGA_LOADMK:
 203                 switch (genimg_get_format(fpga_data)) {
 204 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
 205                 case IMAGE_FORMAT_LEGACY:
 206                         {
 207                                 image_header_t *hdr =
 208                                                 (image_header_t *)fpga_data;
 209                                 ulong data;
 210                                 uint8_t comp;
 211
 212                                 comp = image_get_comp(hdr);
 213                                 if (comp == IH_COMP_GZIP) {
 214 #if defined(CONFIG_GZIP)
 215                                         ulong image_buf = image_get_data(hdr);
 216                                         data = image_get_load(hdr);
 217                                         ulong image_size = ~0UL;
 218
 219                                         if (gunzip((void *)data, ~0UL,
 220                                                    (void *)image_buf,
 221                                                    &image_size) != 0) {
 222                                                 puts("GUNZIP: error\n");
 223                                                 return 1;
 224                                         }
 225                                         data_size = image_size;
 226 #else
 227                                         puts("Gunzip image is not supported\n");
 228                                         return 1;
 229 #endif
 230                                 } else {
 231                                         data = (ulong)image_get_data(hdr);
 232                                         data_size = image_get_data_size(hdr);
 233                                 }
 234                                 rc = fpga_load(dev, (void *)data, data_size,
 235                                                BIT_FULL);
 236                         }
 237                         break;
 238 #endif
 239 #if defined(CONFIG_FIT)
 240                 case IMAGE_FORMAT_FIT:
 241                         {
 242                                 const void *fit_hdr = (const void *)fpga_data;
 243                                 int noffset;
 244                                 const void *fit_data;
 245
 246                                 if (fit_uname == NULL) {
 247                                         puts("No FIT subimage unit name\n");
 248                                         return 1;
 249                                 }
 250
 251                                 if (!fit_check_format(fit_hdr)) {
 252                                         puts("Bad FIT image format\n");
 253                                         return 1;
 254                                 }
 255
 256                                 /* get fpga component image node offset */
 257                                 noffset = fit_image_get_node(fit_hdr,
 258                                                              fit_uname);
 259                                 if (noffset < 0) {
 260                                         printf("Can't find '%s' FIT subimage\n",
 261                                                fit_uname);
 262                                         return 1;
 263                                 }
 264
 265                                 /* verify integrity */
 266                                 if (!fit_image_verify(fit_hdr, noffset)) {
 267                                         puts ("Bad Data Hash\n");
 268                                         return 1;
 269                                 }
 270
 271                                 /* get fpga subimage data address and length */
 272                                 if (fit_image_get_data(fit_hdr, noffset,
 273                                                        &fit_data, &data_size)) {
 274                                         puts("Fpga subimage data not found\n");
 275                                         return 1;
 276                                 }
 277
 278                                 rc = fpga_load(dev, fit_data, data_size,
 279                                                BIT_FULL);
 280                         }
 281                         break;
 282 #endif
 283                 default:
 284                         puts("** Unknown image type\n");
 285                         rc = FPGA_FAIL;
 286                         break;
 287                 }
 288                 break;
 289 #endif
 290
 291         case FPGA_DUMP:
 292                 rc = fpga_dump(dev, fpga_data, data_size);
 293                 break;
 294
 295         default:
 296                 printf("Unknown operation\n");
 297                 return CMD_RET_USAGE;
 298         }
 299         return rc;
 300 }
 301
 302 /*
 303  * Map op to supported operations.  We don't use a table since we
 304  * would just have to relocate it from flash anyway.
 305  */
 306 static int fpga_get_op(char *opstr)
 307 {
 308         int op = FPGA_NONE;
 309
 310         if (!strcmp("info", opstr))
 311                 op = FPGA_INFO;
 312         else if (!strcmp("loadb", opstr))
 313                 op = FPGA_LOADB;
 314         else if (!strcmp("load", opstr))
 315                 op = FPGA_LOAD;
 316 #if defined(CONFIG_CMD_FPGA_LOADP)
 317         else if (!strcmp("loadp", opstr))
 318                 op = FPGA_LOADP;
 319 #endif
 320 #if defined(CONFIG_CMD_FPGA_LOADBP)
 321         else if (!strcmp("loadbp", opstr))
 322                 op = FPGA_LOADBP;
 323 #endif
 324 #if defined(CONFIG_CMD_FPGA_LOADFS)
 325         else if (!strcmp("loadfs", opstr))
 326                 op = FPGA_LOADFS;
 327 #endif
 328 #if defined(CONFIG_CMD_FPGA_LOADMK)
 329         else if (!strcmp("loadmk", opstr))
 330                 op = FPGA_LOADMK;
 331 #endif
 332         else if (!strcmp("dump", opstr))
 333                 op = FPGA_DUMP;
 334
 335         if (op == FPGA_NONE)
 336                 printf("Unknown fpga operation \"%s\"\n", opstr);
 337
 338         return op;
 339 }
 340
 341 #if defined(CONFIG_CMD_FPGA_LOADFS)
 342 U_BOOT_CMD(fpga, 9, 1, do_fpga,
 343 #else
 344 U_BOOT_CMD(fpga, 6, 1, do_fpga,
 345 #endif
 346            "loadable FPGA image support",
 347            "[operation type] [device number] [image address] [image size]\n"
 348            "fpga operations:\n"
 349            "  dump\t[dev] [address] [size]\tLoad device to memory buffer\n"
 350            "  info\t[dev]\t\t\tlist known device information\n"
 351            "  load\t[dev] [address] [size]\tLoad device from memory buffer\n"
 352 #if defined(CONFIG_CMD_FPGA_LOADP)
 353            "  loadp\t[dev] [address] [size]\t"
 354            "Load device from memory buffer with partial bitstream\n"
 355 #endif
 356            "  loadb\t[dev] [address] [size]\t"
 357            "Load device from bitstream buffer (Xilinx only)\n"
 358 #if defined(CONFIG_CMD_FPGA_LOADBP)
 359            "  loadbp\t[dev] [address] [size]\t"
 360            "Load device from bitstream buffer with partial bitstream"
 361            "(Xilinx only)\n"
 362 #endif
 363 #if defined(CONFIG_CMD_FPGA_LOADFS)
 364            "Load device from filesystem (FAT by default) (Xilinx only)\n"
 365            "  loadfs [dev] [address] [image size] [blocksize] <interface>\n"
 366            "        [<dev[:part]>] <filename>\n"
 367 #endif
 368 #if defined(CONFIG_CMD_FPGA_LOADMK)
 369            "  loadmk [dev] [address]\tLoad device generated with mkimage"
 370 #if defined(CONFIG_FIT)
 371            "\n"
 372            "\tFor loadmk operating on FIT format uImage address must include\n"
 373            "\tsubimage unit name in the form of addr:<subimg_uname>"
 374 #endif
 375 #endif
 376 );