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