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	struct legacy_img_hdr *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, cmd_arg2(argc, argv),
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 = (struct legacy_img_hdr *)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