uboot/cmd/fpga.c
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   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 */
  18static int fpga_get_op(char *opstr);
  19
  20/* Local defines */
  21enum {
  22        FPGA_NONE = -1,
  23        FPGA_INFO,
  24        FPGA_LOAD,
  25        FPGA_LOADB,
  26        FPGA_DUMP,
  27        FPGA_LOADMK,
  28        FPGA_LOADP,
  29        FPGA_LOADBP,
  30        FPGA_LOADFS,
  31};
  32
  33/* ------------------------------------------------------------------------- */
  34/* command form:
  35 *   fpga <op> <device number> <data addr> <datasize>
  36 * where op is 'load', 'dump', or 'info'
  37 * If there is no device number field, the fpga environment variable is used.
  38 * If there is no data addr field, the fpgadata environment variable is used.
  39 * The info command requires no data address field.
  40 */
  41int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  42{
  43        int op, dev = FPGA_INVALID_DEVICE;
  44        size_t data_size = 0;
  45        void *fpga_data = NULL;
  46        char *devstr = env_get("fpga");
  47        char *datastr = env_get("fpgadata");
  48        int rc = FPGA_FAIL;
  49        int wrong_parms = 0;
  50#if defined(CONFIG_FIT)
  51        const char *fit_uname = NULL;
  52        ulong fit_addr;
  53#endif
  54#if defined(CONFIG_CMD_FPGA_LOADFS)
  55        fpga_fs_info fpga_fsinfo;
  56        fpga_fsinfo.fstype = FS_TYPE_ANY;
  57#endif
  58
  59        if (devstr)
  60                dev = (int) simple_strtoul(devstr, NULL, 16);
  61        if (datastr)
  62                fpga_data = (void *)simple_strtoul(datastr, NULL, 16);
  63
  64        switch (argc) {
  65#if defined(CONFIG_CMD_FPGA_LOADFS)
  66        case 9:
  67                fpga_fsinfo.blocksize = (unsigned int)
  68                                             simple_strtoul(argv[5], NULL, 16);
  69                fpga_fsinfo.interface = argv[6];
  70                fpga_fsinfo.dev_part = argv[7];
  71                fpga_fsinfo.filename = argv[8];
  72#endif
  73        case 5:         /* fpga <op> <dev> <data> <datasize> */
  74                data_size = simple_strtoul(argv[4], NULL, 16);
  75
  76        case 4:         /* fpga <op> <dev> <data> */
  77#if defined(CONFIG_FIT)
  78                if (fit_parse_subimage(argv[3], (ulong)fpga_data,
  79                                       &fit_addr, &fit_uname)) {
  80                        fpga_data = (void *)fit_addr;
  81                        debug("*  fpga: subimage '%s' from FIT image ",
  82                              fit_uname);
  83                        debug("at 0x%08lx\n", fit_addr);
  84                } else
  85#endif
  86                {
  87                        fpga_data = (void *)simple_strtoul(argv[3], NULL, 16);
  88                        debug("*  fpga: cmdline image address = 0x%08lx\n",
  89                              (ulong)fpga_data);
  90                }
  91                debug("%s: fpga_data = 0x%lx\n", __func__, (ulong)fpga_data);
  92
  93        case 3:         /* fpga <op> <dev | data addr> */
  94                dev = (int)simple_strtoul(argv[2], NULL, 16);
  95                debug("%s: device = %d\n", __func__, dev);
  96                /* FIXME - this is a really weak test */
  97                if ((argc == 3) && (dev > fpga_count())) {
  98                        /* must be buffer ptr */
  99                        debug("%s: Assuming buffer pointer in arg 3\n",
 100                              __func__);
 101
 102#if defined(CONFIG_FIT)
 103                        if (fit_parse_subimage(argv[2], (ulong)fpga_data,
 104                                               &fit_addr, &fit_uname)) {
 105                                fpga_data = (void *)fit_addr;
 106                                debug("*  fpga: subimage '%s' from FIT image ",
 107                                      fit_uname);
 108                                debug("at 0x%08lx\n", fit_addr);
 109                        } else
 110#endif
 111                        {
 112                                fpga_data = (void *)(uintptr_t)dev;
 113                                debug("*  fpga: cmdline image addr = 0x%08lx\n",
 114                                      (ulong)fpga_data);
 115                        }
 116
 117                        debug("%s: fpga_data = 0x%lx\n",
 118                              __func__, (ulong)fpga_data);
 119                        dev = FPGA_INVALID_DEVICE;      /* reset device num */
 120                }
 121
 122        case 2:         /* fpga <op> */
 123                op = (int)fpga_get_op(argv[1]);
 124                break;
 125
 126        default:
 127                debug("%s: Too many or too few args (%d)\n", __func__, argc);
 128                op = FPGA_NONE; /* force usage display */
 129                break;
 130        }
 131
 132        if (dev == FPGA_INVALID_DEVICE) {
 133                puts("FPGA device not specified\n");
 134                op = FPGA_NONE;
 135        }
 136
 137        switch (op) {
 138        case FPGA_NONE:
 139        case FPGA_INFO:
 140                break;
 141#if defined(CONFIG_CMD_FPGA_LOADFS)
 142        case FPGA_LOADFS:
 143                /* Blocksize can be zero */
 144                if (!fpga_fsinfo.interface || !fpga_fsinfo.dev_part ||
 145                    !fpga_fsinfo.filename)
 146                        wrong_parms = 1;
 147#endif
 148        case FPGA_LOAD:
 149        case FPGA_LOADP:
 150        case FPGA_LOADB:
 151        case FPGA_LOADBP:
 152        case FPGA_DUMP:
 153                if (!fpga_data || !data_size)
 154                        wrong_parms = 1;
 155                break;
 156#if defined(CONFIG_CMD_FPGA_LOADMK)
 157        case FPGA_LOADMK:
 158                if (!fpga_data)
 159                        wrong_parms = 1;
 160                break;
 161#endif
 162        }
 163
 164        if (wrong_parms) {
 165                puts("Wrong parameters for FPGA request\n");
 166                op = FPGA_NONE;
 167        }
 168
 169        switch (op) {
 170        case FPGA_NONE:
 171                return CMD_RET_USAGE;
 172
 173        case FPGA_INFO:
 174                rc = fpga_info(dev);
 175                break;
 176
 177        case FPGA_LOAD:
 178                rc = fpga_load(dev, fpga_data, data_size, BIT_FULL);
 179                break;
 180
 181#if defined(CONFIG_CMD_FPGA_LOADP)
 182        case FPGA_LOADP:
 183                rc = fpga_load(dev, fpga_data, data_size, BIT_PARTIAL);
 184                break;
 185#endif
 186
 187        case FPGA_LOADB:
 188                rc = fpga_loadbitstream(dev, fpga_data, data_size, BIT_FULL);
 189                break;
 190
 191#if defined(CONFIG_CMD_FPGA_LOADBP)
 192        case FPGA_LOADBP:
 193                rc = fpga_loadbitstream(dev, fpga_data, data_size, BIT_PARTIAL);
 194                break;
 195#endif
 196
 197#if defined(CONFIG_CMD_FPGA_LOADFS)
 198        case FPGA_LOADFS:
 199                rc = fpga_fsload(dev, fpga_data, data_size, &fpga_fsinfo);
 200                break;
 201#endif
 202
 203#if defined(CONFIG_CMD_FPGA_LOADMK)
 204        case FPGA_LOADMK:
 205                switch (genimg_get_format(fpga_data)) {
 206#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
 207                case IMAGE_FORMAT_LEGACY:
 208                        {
 209                                image_header_t *hdr =
 210                                                (image_header_t *)fpga_data;
 211                                ulong data;
 212                                uint8_t comp;
 213
 214                                comp = image_get_comp(hdr);
 215                                if (comp == IH_COMP_GZIP) {
 216#if defined(CONFIG_GZIP)
 217                                        ulong image_buf = image_get_data(hdr);
 218                                        data = image_get_load(hdr);
 219                                        ulong image_size = ~0UL;
 220
 221                                        if (gunzip((void *)data, ~0UL,
 222                                                   (void *)image_buf,
 223                                                   &image_size) != 0) {
 224                                                puts("GUNZIP: error\n");
 225                                                return 1;
 226                                        }
 227                                        data_size = image_size;
 228#else
 229                                        puts("Gunzip image is not supported\n");
 230                                        return 1;
 231#endif
 232                                } else {
 233                                        data = (ulong)image_get_data(hdr);
 234                                        data_size = image_get_data_size(hdr);
 235                                }
 236                                rc = fpga_load(dev, (void *)data, data_size,
 237                                               BIT_FULL);
 238                        }
 239                        break;
 240#endif
 241#if defined(CONFIG_FIT)
 242                case IMAGE_FORMAT_FIT:
 243                        {
 244                                const void *fit_hdr = (const void *)fpga_data;
 245                                int noffset;
 246                                const void *fit_data;
 247
 248                                if (fit_uname == NULL) {
 249                                        puts("No FIT subimage unit name\n");
 250                                        return 1;
 251                                }
 252
 253                                if (!fit_check_format(fit_hdr)) {
 254                                        puts("Bad FIT image format\n");
 255                                        return 1;
 256                                }
 257
 258                                /* get fpga component image node offset */
 259                                noffset = fit_image_get_node(fit_hdr,
 260                                                             fit_uname);
 261                                if (noffset < 0) {
 262                                        printf("Can't find '%s' FIT subimage\n",
 263                                               fit_uname);
 264                                        return 1;
 265                                }
 266
 267                                /* verify integrity */
 268                                if (!fit_image_verify(fit_hdr, noffset)) {
 269                                        puts ("Bad Data Hash\n");
 270                                        return 1;
 271                                }
 272
 273                                /* get fpga subimage data address and length */
 274                                if (fit_image_get_data(fit_hdr, noffset,
 275                                                       &fit_data, &data_size)) {
 276                                        puts("Fpga subimage data not found\n");
 277                                        return 1;
 278                                }
 279
 280                                rc = fpga_load(dev, fit_data, data_size,
 281                                               BIT_FULL);
 282                        }
 283                        break;
 284#endif
 285                default:
 286                        puts("** Unknown image type\n");
 287                        rc = FPGA_FAIL;
 288                        break;
 289                }
 290                break;
 291#endif
 292
 293        case FPGA_DUMP:
 294                rc = fpga_dump(dev, fpga_data, data_size);
 295                break;
 296
 297        default:
 298                printf("Unknown operation\n");
 299                return CMD_RET_USAGE;
 300        }
 301        return rc;
 302}
 303
 304/*
 305 * Map op to supported operations.  We don't use a table since we
 306 * would just have to relocate it from flash anyway.
 307 */
 308static int fpga_get_op(char *opstr)
 309{
 310        int op = FPGA_NONE;
 311
 312        if (!strcmp("info", opstr))
 313                op = FPGA_INFO;
 314        else if (!strcmp("loadb", opstr))
 315                op = FPGA_LOADB;
 316        else if (!strcmp("load", opstr))
 317                op = FPGA_LOAD;
 318#if defined(CONFIG_CMD_FPGA_LOADP)
 319        else if (!strcmp("loadp", opstr))
 320                op = FPGA_LOADP;
 321#endif
 322#if defined(CONFIG_CMD_FPGA_LOADBP)
 323        else if (!strcmp("loadbp", opstr))
 324                op = FPGA_LOADBP;
 325#endif
 326#if defined(CONFIG_CMD_FPGA_LOADFS)
 327        else if (!strcmp("loadfs", opstr))
 328                op = FPGA_LOADFS;
 329#endif
 330#if defined(CONFIG_CMD_FPGA_LOADMK)
 331        else if (!strcmp("loadmk", opstr))
 332                op = FPGA_LOADMK;
 333#endif
 334        else if (!strcmp("dump", opstr))
 335                op = FPGA_DUMP;
 336
 337        if (op == FPGA_NONE)
 338                printf("Unknown fpga operation \"%s\"\n", opstr);
 339
 340        return op;
 341}
 342
 343#if defined(CONFIG_CMD_FPGA_LOADFS)
 344U_BOOT_CMD(fpga, 9, 1, do_fpga,
 345#else
 346U_BOOT_CMD(fpga, 6, 1, do_fpga,
 347#endif
 348           "loadable FPGA image support",
 349           "[operation type] [device number] [image address] [image size]\n"
 350           "fpga operations:\n"
 351           "  dump\t[dev] [address] [size]\tLoad device to memory buffer\n"
 352           "  info\t[dev]\t\t\tlist known device information\n"
 353           "  load\t[dev] [address] [size]\tLoad device from memory buffer\n"
 354#if defined(CONFIG_CMD_FPGA_LOADP)
 355           "  loadp\t[dev] [address] [size]\t"
 356           "Load device from memory buffer with partial bitstream\n"
 357#endif
 358           "  loadb\t[dev] [address] [size]\t"
 359           "Load device from bitstream buffer (Xilinx only)\n"
 360#if defined(CONFIG_CMD_FPGA_LOADBP)
 361           "  loadbp\t[dev] [address] [size]\t"
 362           "Load device from bitstream buffer with partial bitstream"
 363           "(Xilinx only)\n"
 364#endif
 365#if defined(CONFIG_CMD_FPGA_LOADFS)
 366           "Load device from filesystem (FAT by default) (Xilinx only)\n"
 367           "  loadfs [dev] [address] [image size] [blocksize] <interface>\n"
 368           "        [<dev[:part]>] <filename>\n"
 369#endif
 370#if defined(CONFIG_CMD_FPGA_LOADMK)
 371           "  loadmk [dev] [address]\tLoad device generated with mkimage"
 372#if defined(CONFIG_FIT)
 373           "\n"
 374           "\tFor loadmk operating on FIT format uImage address must include\n"
 375           "\tsubimage unit name in the form of addr:<subimg_uname>"
 376#endif
 377#endif
 378);
 379