xref: /openbmc/u-boot/cmd/disk.c (revision 68c27601)
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 #if defined(CONFIG_CMD_IDE) || defined(CONFIG_SCSI) || \
12 	defined(CONFIG_USB_STORAGE)
13 int common_diskboot(cmd_tbl_t *cmdtp, const char *intf, int argc,
14 		    char *const argv[])
15 {
16 	__maybe_unused int dev;
17 	int part;
18 	ulong addr = CONFIG_SYS_LOAD_ADDR;
19 	ulong cnt;
20 	disk_partition_t info;
21 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
22 	image_header_t *hdr;
23 #endif
24 	struct blk_desc *dev_desc;
25 
26 #if CONFIG_IS_ENABLED(FIT)
27 	const void *fit_hdr = NULL;
28 #endif
29 
30 	bootstage_mark(BOOTSTAGE_ID_IDE_START);
31 	if (argc > 3) {
32 		bootstage_error(BOOTSTAGE_ID_IDE_ADDR);
33 		return CMD_RET_USAGE;
34 	}
35 	bootstage_mark(BOOTSTAGE_ID_IDE_ADDR);
36 
37 	if (argc > 1)
38 		addr = simple_strtoul(argv[1], NULL, 16);
39 
40 	bootstage_mark(BOOTSTAGE_ID_IDE_BOOT_DEVICE);
41 
42 	part = blk_get_device_part_str(intf, (argc == 3) ? argv[2] : NULL,
43 					&dev_desc, &info, 1);
44 	if (part < 0) {
45 		bootstage_error(BOOTSTAGE_ID_IDE_TYPE);
46 		return 1;
47 	}
48 
49 	dev = dev_desc->devnum;
50 	bootstage_mark(BOOTSTAGE_ID_IDE_TYPE);
51 
52 	printf("\nLoading from %s device %d, partition %d: "
53 	       "Name: %.32s  Type: %.32s\n", intf, dev, part, info.name,
54 	       info.type);
55 
56 	debug("First Block: " LBAFU ",  # of blocks: " LBAFU
57 	      ", Block Size: %ld\n",
58 	      info.start, info.size, info.blksz);
59 
60 	if (blk_dread(dev_desc, info.start, 1, (ulong *)addr) != 1) {
61 		printf("** Read error on %d:%d\n", dev, part);
62 		bootstage_error(BOOTSTAGE_ID_IDE_PART_READ);
63 		return 1;
64 	}
65 	bootstage_mark(BOOTSTAGE_ID_IDE_PART_READ);
66 
67 	switch (genimg_get_format((void *) addr)) {
68 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
69 	case IMAGE_FORMAT_LEGACY:
70 		hdr = (image_header_t *) addr;
71 
72 		bootstage_mark(BOOTSTAGE_ID_IDE_FORMAT);
73 
74 		if (!image_check_hcrc(hdr)) {
75 			puts("\n** Bad Header Checksum **\n");
76 			bootstage_error(BOOTSTAGE_ID_IDE_CHECKSUM);
77 			return 1;
78 		}
79 		bootstage_mark(BOOTSTAGE_ID_IDE_CHECKSUM);
80 
81 		image_print_contents(hdr);
82 
83 		cnt = image_get_image_size(hdr);
84 		break;
85 #endif
86 #if CONFIG_IS_ENABLED(FIT)
87 	case IMAGE_FORMAT_FIT:
88 		fit_hdr = (const void *) addr;
89 		puts("Fit image detected...\n");
90 
91 		cnt = fit_get_size(fit_hdr);
92 		break;
93 #endif
94 	default:
95 		bootstage_error(BOOTSTAGE_ID_IDE_FORMAT);
96 		puts("** Unknown image type\n");
97 		return 1;
98 	}
99 
100 	cnt += info.blksz - 1;
101 	cnt /= info.blksz;
102 	cnt -= 1;
103 
104 	if (blk_dread(dev_desc, info.start + 1, cnt,
105 		      (ulong *)(addr + info.blksz)) != cnt) {
106 		printf("** Read error on %d:%d\n", dev, part);
107 		bootstage_error(BOOTSTAGE_ID_IDE_READ);
108 		return 1;
109 	}
110 	bootstage_mark(BOOTSTAGE_ID_IDE_READ);
111 
112 #if CONFIG_IS_ENABLED(FIT)
113 	/* This cannot be done earlier,
114 	 * we need complete FIT image in RAM first */
115 	if (genimg_get_format((void *) addr) == IMAGE_FORMAT_FIT) {
116 		if (!fit_check_format(fit_hdr)) {
117 			bootstage_error(BOOTSTAGE_ID_IDE_FIT_READ);
118 			puts("** Bad FIT image format\n");
119 			return 1;
120 		}
121 		bootstage_mark(BOOTSTAGE_ID_IDE_FIT_READ_OK);
122 		fit_print_contents(fit_hdr);
123 	}
124 #endif
125 
126 	flush_cache(addr, (cnt+1)*info.blksz);
127 
128 	/* Loading ok, update default load address */
129 	load_addr = addr;
130 
131 	return bootm_maybe_autostart(cmdtp, argv[0]);
132 }
133 #endif
134