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Guillaume GARDET592f9222014-10-15 17:53:12 +02001/*
2 * SPDX-License-Identifier: GPL-2.0+
3 */
4
5#include <common.h>
6#include <spl.h>
7#include <asm/u-boot.h>
8#include <ext4fs.h>
Nikita Kiryanov339245b2015-11-08 17:11:45 +02009#include <errno.h>
Guillaume GARDET592f9222014-10-15 17:53:12 +020010#include <image.h>
11
12#ifdef CONFIG_SPL_EXT_SUPPORT
Simon Glassb4a6c2a2016-09-24 18:20:14 -060013int spl_load_image_ext(struct spl_image_info *spl_image,
14 struct blk_desc *block_dev, int partition,
15 const char *filename)
Guillaume GARDET592f9222014-10-15 17:53:12 +020016{
17 s32 err;
18 struct image_header *header;
Suriyan Ramasami9f12cd02014-11-17 14:39:36 -080019 loff_t filelen, actlen;
Guillaume GARDET592f9222014-10-15 17:53:12 +020020 disk_partition_t part_info = {};
21
22 header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
23 sizeof(struct image_header));
24
Simon Glass3e8bd462016-02-29 15:25:48 -070025 if (part_get_info(block_dev, partition, &part_info)) {
Guillaume GARDET592f9222014-10-15 17:53:12 +020026 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
Suriyan Ramasami9f12cd02014-11-17 14:39:36 -080040 err = ext4fs_open(filename, &filelen);
Guillaume GARDET592f9222014-10-15 17:53:12 +020041 if (err < 0) {
42 puts("spl: ext4fs_open failed\n");
43 goto end;
44 }
Suriyan Ramasami9f12cd02014-11-17 14:39:36 -080045 err = ext4fs_read((char *)header, sizeof(struct image_header), &actlen);
Guillaume GARDETd3e488e2014-11-25 15:34:16 +010046 if (err < 0) {
Guillaume GARDET592f9222014-10-15 17:53:12 +020047 puts("spl: ext4fs_read failed\n");
48 goto end;
49 }
50
Simon Glassb4a6c2a2016-09-24 18:20:14 -060051 err = spl_parse_image_header(spl_image, header);
Marek Vasut7e0f2262016-04-29 00:44:54 +020052 if (err < 0) {
Petr Kulhavy9ab165d2016-06-18 12:21:17 +020053 puts("spl: ext: failed to parse image header\n");
Marek Vasut7e0f2262016-04-29 00:44:54 +020054 goto end;
55 }
Guillaume GARDET592f9222014-10-15 17:53:12 +020056
Simon Glassb4a6c2a2016-09-24 18:20:14 -060057 err = ext4fs_read((char *)spl_image->load_addr, filelen, &actlen);
Guillaume GARDET592f9222014-10-15 17:53:12 +020058
59end:
60#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
Guillaume GARDETd3e488e2014-11-25 15:34:16 +010061 if (err < 0)
Guillaume GARDET592f9222014-10-15 17:53:12 +020062 printf("%s: error reading image %s, err - %d\n",
63 __func__, filename, err);
64#endif
65
Guillaume GARDETd3e488e2014-11-25 15:34:16 +010066 return err < 0;
Guillaume GARDET592f9222014-10-15 17:53:12 +020067}
68
69#ifdef CONFIG_SPL_OS_BOOT
Simon Glassb4a6c2a2016-09-24 18:20:14 -060070int spl_load_image_ext_os(struct spl_image_info *spl_image,
71 struct blk_desc *block_dev, int partition)
Guillaume GARDET592f9222014-10-15 17:53:12 +020072{
73 int err;
Suriyan Ramasami9f12cd02014-11-17 14:39:36 -080074 __maybe_unused loff_t filelen, actlen;
Guillaume GARDET592f9222014-10-15 17:53:12 +020075 disk_partition_t part_info = {};
76 __maybe_unused char *file;
77
Simon Glass3e8bd462016-02-29 15:25:48 -070078 if (part_get_info(block_dev, partition, &part_info)) {
Guillaume GARDET592f9222014-10-15 17:53:12 +020079 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 }
Petr Kulhavy58c95d52016-06-14 12:06:36 +020092#if defined(CONFIG_SPL_ENV_SUPPORT)
Guillaume GARDET592f9222014-10-15 17:53:12 +020093 file = getenv("falcon_args_file");
94 if (file) {
Suriyan Ramasami9f12cd02014-11-17 14:39:36 -080095 err = ext4fs_open(file, &filelen);
Guillaume GARDET592f9222014-10-15 17:53:12 +020096 if (err < 0) {
97 puts("spl: ext4fs_open failed\n");
98 goto defaults;
99 }
Suriyan Ramasami9f12cd02014-11-17 14:39:36 -0800100 err = ext4fs_read((void *)CONFIG_SYS_SPL_ARGS_ADDR, filelen, &actlen);
Guillaume GARDETd3e488e2014-11-25 15:34:16 +0100101 if (err < 0) {
Guillaume GARDET592f9222014-10-15 17:53:12 +0200102 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) {
Simon Glassb4a6c2a2016-09-24 18:20:14 -0600108 err = spl_load_image_ext(spl_image, block_dev,
109 partition, file);
Guillaume GARDET592f9222014-10-15 17:53:12 +0200110 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
Suriyan Ramasami9f12cd02014-11-17 14:39:36 -0800126 err = ext4fs_open(CONFIG_SPL_FS_LOAD_ARGS_NAME, &filelen);
Guillaume GARDET592f9222014-10-15 17:53:12 +0200127 if (err < 0)
128 puts("spl: ext4fs_open failed\n");
129
Suriyan Ramasami9f12cd02014-11-17 14:39:36 -0800130 err = ext4fs_read((void *)CONFIG_SYS_SPL_ARGS_ADDR, filelen, &actlen);
Guillaume GARDETd3e488e2014-11-25 15:34:16 +0100131 if (err < 0) {
Guillaume GARDET592f9222014-10-15 17:53:12 +0200132#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
Simon Glassb4a6c2a2016-09-24 18:20:14 -0600139 return spl_load_image_ext(spl_image, block_dev, partition,
Guillaume GARDET592f9222014-10-15 17:53:12 +0200140 CONFIG_SPL_FS_LOAD_KERNEL_NAME);
141}
Nikita Kiryanov339245b2015-11-08 17:11:45 +0200142#else
Simon Glassb4a6c2a2016-09-24 18:20:14 -0600143int spl_load_image_ext_os(struct spl_image_info *spl_image,
144 struct blk_desc *block_dev, int partition)
Nikita Kiryanov339245b2015-11-08 17:11:45 +0200145{
146 return -ENOSYS;
147}
Guillaume GARDET592f9222014-10-15 17:53:12 +0200148#endif
149#endif