xref: /openbmc/u-boot/cmd/disk.c (revision 6828e602b722d1137d17ca0d25a451c7743c2770)
1  /*
2   * (C) Copyright 2000-2011
3   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4   *
5   * SPDX-License-Identifier:	GPL-2.0+
6   */
7  #include <common.h>
8  #include <command.h>
9  #include <part.h>
10  
11  int common_diskboot(cmd_tbl_t *cmdtp, const char *intf, int argc,
12  		    char *const argv[])
13  {
14  	__maybe_unused int dev;
15  	int part;
16  	ulong addr = CONFIG_SYS_LOAD_ADDR;
17  	ulong cnt;
18  	disk_partition_t info;
19  #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
20  	image_header_t *hdr;
21  #endif
22  	struct blk_desc *dev_desc;
23  
24  #if CONFIG_IS_ENABLED(FIT)
25  	const void *fit_hdr = NULL;
26  #endif
27  
28  	bootstage_mark(BOOTSTAGE_ID_IDE_START);
29  	if (argc > 3) {
30  		bootstage_error(BOOTSTAGE_ID_IDE_ADDR);
31  		return CMD_RET_USAGE;
32  	}
33  	bootstage_mark(BOOTSTAGE_ID_IDE_ADDR);
34  
35  	if (argc > 1)
36  		addr = simple_strtoul(argv[1], NULL, 16);
37  
38  	bootstage_mark(BOOTSTAGE_ID_IDE_BOOT_DEVICE);
39  
40  	part = blk_get_device_part_str(intf, (argc == 3) ? argv[2] : NULL,
41  					&dev_desc, &info, 1);
42  	if (part < 0) {
43  		bootstage_error(BOOTSTAGE_ID_IDE_TYPE);
44  		return 1;
45  	}
46  
47  	dev = dev_desc->devnum;
48  	bootstage_mark(BOOTSTAGE_ID_IDE_TYPE);
49  
50  	printf("\nLoading from %s device %d, partition %d: "
51  	       "Name: %.32s  Type: %.32s\n", intf, dev, part, info.name,
52  	       info.type);
53  
54  	debug("First Block: " LBAFU ",  # of blocks: " LBAFU
55  	      ", Block Size: %ld\n",
56  	      info.start, info.size, info.blksz);
57  
58  	if (blk_dread(dev_desc, info.start, 1, (ulong *)addr) != 1) {
59  		printf("** Read error on %d:%d\n", dev, part);
60  		bootstage_error(BOOTSTAGE_ID_IDE_PART_READ);
61  		return 1;
62  	}
63  	bootstage_mark(BOOTSTAGE_ID_IDE_PART_READ);
64  
65  	switch (genimg_get_format((void *) addr)) {
66  #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
67  	case IMAGE_FORMAT_LEGACY:
68  		hdr = (image_header_t *) addr;
69  
70  		bootstage_mark(BOOTSTAGE_ID_IDE_FORMAT);
71  
72  		if (!image_check_hcrc(hdr)) {
73  			puts("\n** Bad Header Checksum **\n");
74  			bootstage_error(BOOTSTAGE_ID_IDE_CHECKSUM);
75  			return 1;
76  		}
77  		bootstage_mark(BOOTSTAGE_ID_IDE_CHECKSUM);
78  
79  		image_print_contents(hdr);
80  
81  		cnt = image_get_image_size(hdr);
82  		break;
83  #endif
84  #if CONFIG_IS_ENABLED(FIT)
85  	case IMAGE_FORMAT_FIT:
86  		fit_hdr = (const void *) addr;
87  		puts("Fit image detected...\n");
88  
89  		cnt = fit_get_size(fit_hdr);
90  		break;
91  #endif
92  	default:
93  		bootstage_error(BOOTSTAGE_ID_IDE_FORMAT);
94  		puts("** Unknown image type\n");
95  		return 1;
96  	}
97  
98  	cnt += info.blksz - 1;
99  	cnt /= info.blksz;
100  	cnt -= 1;
101  
102  	if (blk_dread(dev_desc, info.start + 1, cnt,
103  		      (ulong *)(addr + info.blksz)) != cnt) {
104  		printf("** Read error on %d:%d\n", dev, part);
105  		bootstage_error(BOOTSTAGE_ID_IDE_READ);
106  		return 1;
107  	}
108  	bootstage_mark(BOOTSTAGE_ID_IDE_READ);
109  
110  #if CONFIG_IS_ENABLED(FIT)
111  	/* This cannot be done earlier,
112  	 * we need complete FIT image in RAM first */
113  	if (genimg_get_format((void *) addr) == IMAGE_FORMAT_FIT) {
114  		if (!fit_check_format(fit_hdr)) {
115  			bootstage_error(BOOTSTAGE_ID_IDE_FIT_READ);
116  			puts("** Bad FIT image format\n");
117  			return 1;
118  		}
119  		bootstage_mark(BOOTSTAGE_ID_IDE_FIT_READ_OK);
120  		fit_print_contents(fit_hdr);
121  	}
122  #endif
123  
124  	flush_cache(addr, (cnt+1)*info.blksz);
125  
126  	/* Loading ok, update default load address */
127  	load_addr = addr;
128  
129  	return bootm_maybe_autostart(cmdtp, argv[0]);
130  }
131