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