LXR uboot/cmd/disk.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * (C) Copyright 2000-2011
   4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5 */
   6#include <common.h>
   7#include <bootstage.h>
   8#include <command.h>
   9#include <cpu_func.h>
  10#include <image.h>
  11#include <log.h>
  12#include <part.h>
  13
  14int common_diskboot(struct cmd_tbl *cmdtp, const char *intf, int argc,
  15                    char *const argv[])
  16{
  17        __maybe_unused int dev;
  18        int part;
  19        ulong addr = CONFIG_SYS_LOAD_ADDR;
  20        ulong cnt;
  21        struct disk_partition info;
  22#if defined(CONFIG_LEGACY_IMAGE_FORMAT)
  23        image_header_t *hdr;
  24#endif
  25        struct blk_desc *dev_desc;
  26
  27#if CONFIG_IS_ENABLED(FIT)
  28        const void *fit_hdr = NULL;
  29#endif
  30
  31        bootstage_mark(BOOTSTAGE_ID_IDE_START);
  32        if (argc > 3) {
  33                bootstage_error(BOOTSTAGE_ID_IDE_ADDR);
  34                return CMD_RET_USAGE;
  35        }
  36        bootstage_mark(BOOTSTAGE_ID_IDE_ADDR);
  37
  38        if (argc > 1)
  39                addr = hextoul(argv[1], NULL);
  40
  41        bootstage_mark(BOOTSTAGE_ID_IDE_BOOT_DEVICE);
  42
  43        part = blk_get_device_part_str(intf, (argc == 3) ? argv[2] : NULL,
  44                                        &dev_desc, &info, 1);
  45        if (part < 0) {
  46                bootstage_error(BOOTSTAGE_ID_IDE_TYPE);
  47                return 1;
  48        }
  49
  50        dev = dev_desc->devnum;
  51        bootstage_mark(BOOTSTAGE_ID_IDE_TYPE);
  52
  53        printf("\nLoading from %s device %d, partition %d: "
  54               "Name: %.32s  Type: %.32s\n", intf, dev, part, info.name,
  55               info.type);
  56
  57        debug("First Block: " LBAFU ",  # of blocks: " LBAFU
  58              ", Block Size: %ld\n",
  59              info.start, info.size, info.blksz);
  60
  61        if (blk_dread(dev_desc, info.start, 1, (ulong *)addr) != 1) {
  62                printf("** Read error on %d:%d\n", dev, part);
  63                bootstage_error(BOOTSTAGE_ID_IDE_PART_READ);
  64                return 1;
  65        }
  66        bootstage_mark(BOOTSTAGE_ID_IDE_PART_READ);
  67
  68        switch (genimg_get_format((void *) addr)) {
  69#if defined(CONFIG_LEGACY_IMAGE_FORMAT)
  70        case IMAGE_FORMAT_LEGACY:
  71                hdr = (image_header_t *) addr;
  72
  73                bootstage_mark(BOOTSTAGE_ID_IDE_FORMAT);
  74
  75                if (!image_check_hcrc(hdr)) {
  76                        puts("\n** Bad Header Checksum **\n");
  77                        bootstage_error(BOOTSTAGE_ID_IDE_CHECKSUM);
  78                        return 1;
  79                }
  80                bootstage_mark(BOOTSTAGE_ID_IDE_CHECKSUM);
  81
  82                image_print_contents(hdr);
  83
  84                cnt = image_get_image_size(hdr);
  85                break;
  86#endif
  87#if CONFIG_IS_ENABLED(FIT)
  88        case IMAGE_FORMAT_FIT:
  89                fit_hdr = (const void *) addr;
  90                puts("Fit image detected...\n");
  91
  92                cnt = fit_get_size(fit_hdr);
  93                break;
  94#endif
  95        default:
  96                bootstage_error(BOOTSTAGE_ID_IDE_FORMAT);
  97                puts("** Unknown image type\n");
  98                return 1;
  99        }
 100
 101        cnt += info.blksz - 1;
 102        cnt /= info.blksz;
 103        cnt -= 1;
 104
 105        if (blk_dread(dev_desc, info.start + 1, cnt,
 106                      (ulong *)(addr + info.blksz)) != cnt) {
 107                printf("** Read error on %d:%d\n", dev, part);
 108                bootstage_error(BOOTSTAGE_ID_IDE_READ);
 109                return 1;
 110        }
 111        bootstage_mark(BOOTSTAGE_ID_IDE_READ);
 112
 113#if CONFIG_IS_ENABLED(FIT)
 114        /* This cannot be done earlier,
 115         * we need complete FIT image in RAM first */
 116        if (genimg_get_format((void *) addr) == IMAGE_FORMAT_FIT) {
 117                if (fit_check_format(fit_hdr, IMAGE_SIZE_INVAL)) {
 118                        bootstage_error(BOOTSTAGE_ID_IDE_FIT_READ);
 119                        puts("** Bad FIT image format\n");
 120                        return 1;
 121                }
 122                bootstage_mark(BOOTSTAGE_ID_IDE_FIT_READ_OK);
 123        }
 124#endif
 125
 126        flush_cache(addr, (cnt+1)*info.blksz);
 127
 128        /* Loading ok, update default load address */
 129        image_load_addr = addr;
 130
 131        return bootm_maybe_autostart(cmdtp, argv[0]);
 132}
 133