xref: /openbmc/u-boot/cmd/disk.c (revision 9ed00b07)
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