1
2
3
4
5#include <common.h>
6#include <spl.h>
7#include <asm/u-boot.h>
8#include <ext4fs.h>
9#include <errno.h>
10#include <image.h>
11
12#ifdef CONFIG_SPL_EXT_SUPPORT
13int spl_load_image_ext(struct spl_image_info *spl_image,
14 struct blk_desc *block_dev, int partition,
15 const char *filename)
16{
17 s32 err;
18 struct image_header *header;
19 loff_t filelen, actlen;
20 disk_partition_t part_info = {};
21
22 header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
23 sizeof(struct image_header));
24
25 if (part_get_info(block_dev, partition, &part_info)) {
26 printf("spl: no partition table found\n");
27 return -1;
28 }
29
30 ext4fs_set_blk_dev(block_dev, &part_info);
31
32 err = ext4fs_mount(0);
33 if (!err) {
34#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
35 printf("%s: ext4fs mount err - %d\n", __func__, err);
36#endif
37 goto end;
38 }
39
40 err = ext4fs_open(filename, &filelen);
41 if (err < 0) {
42 puts("spl: ext4fs_open failed\n");
43 goto end;
44 }
45 err = ext4fs_read((char *)header, sizeof(struct image_header), &actlen);
46 if (err < 0) {
47 puts("spl: ext4fs_read failed\n");
48 goto end;
49 }
50
51 err = spl_parse_image_header(spl_image, header);
52 if (err < 0) {
53 puts("spl: ext: failed to parse image header\n");
54 goto end;
55 }
56
57 err = ext4fs_read((char *)spl_image->load_addr, filelen, &actlen);
58
59end:
60#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
61 if (err < 0)
62 printf("%s: error reading image %s, err - %d\n",
63 __func__, filename, err);
64#endif
65
66 return err < 0;
67}
68
69#ifdef CONFIG_SPL_OS_BOOT
70int spl_load_image_ext_os(struct spl_image_info *spl_image,
71 struct blk_desc *block_dev, int partition)
72{
73 int err;
74 __maybe_unused loff_t filelen, actlen;
75 disk_partition_t part_info = {};
76 __maybe_unused char *file;
77
78 if (part_get_info(block_dev, partition, &part_info)) {
79 printf("spl: no partition table found\n");
80 return -1;
81 }
82
83 ext4fs_set_blk_dev(block_dev, &part_info);
84
85 err = ext4fs_mount(0);
86 if (!err) {
87#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
88 printf("%s: ext4fs mount err - %d\n", __func__, err);
89#endif
90 return -1;
91 }
92#if defined(CONFIG_SPL_ENV_SUPPORT)
93 file = getenv("falcon_args_file");
94 if (file) {
95 err = ext4fs_open(file, &filelen);
96 if (err < 0) {
97 puts("spl: ext4fs_open failed\n");
98 goto defaults;
99 }
100 err = ext4fs_read((void *)CONFIG_SYS_SPL_ARGS_ADDR, filelen, &actlen);
101 if (err < 0) {
102 printf("spl: error reading image %s, err - %d, falling back to default\n",
103 file, err);
104 goto defaults;
105 }
106 file = getenv("falcon_image_file");
107 if (file) {
108 err = spl_load_image_ext(spl_image, block_dev,
109 partition, file);
110 if (err != 0) {
111 puts("spl: falling back to default\n");
112 goto defaults;
113 }
114
115 return 0;
116 } else {
117 puts("spl: falcon_image_file not set in environment, falling back to default\n");
118 }
119 } else {
120 puts("spl: falcon_args_file not set in environment, falling back to default\n");
121 }
122
123defaults:
124#endif
125
126 err = ext4fs_open(CONFIG_SPL_FS_LOAD_ARGS_NAME, &filelen);
127 if (err < 0)
128 puts("spl: ext4fs_open failed\n");
129
130 err = ext4fs_read((void *)CONFIG_SYS_SPL_ARGS_ADDR, filelen, &actlen);
131 if (err < 0) {
132#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
133 printf("%s: error reading image %s, err - %d\n",
134 __func__, CONFIG_SPL_FS_LOAD_ARGS_NAME, err);
135#endif
136 return -1;
137 }
138
139 return spl_load_image_ext(spl_image, block_dev, partition,
140 CONFIG_SPL_FS_LOAD_KERNEL_NAME);
141}
142#else
143int spl_load_image_ext_os(struct spl_image_info *spl_image,
144 struct blk_desc *block_dev, int partition)
145{
146 return -ENOSYS;
147}
148#endif
149#endif
150
