3 * Texas Instruments, <www.ti.com>
5 * Aneesh V <aneesh@ti.com>
7 * SPDX-License-Identifier: GPL-2.0+
11 #include <linux/compiler.h>
12 #include <asm/u-boot.h>
16 DECLARE_GLOBAL_DATA_PTR
;
18 static int mmc_load_image_raw_sector(struct mmc
*mmc
, unsigned long sector
)
21 u32 image_size_sectors
;
22 struct image_header
*header
;
24 header
= (struct image_header
*)(CONFIG_SYS_TEXT_BASE
-
25 sizeof(struct image_header
));
27 /* read image header to find the image size & load address */
28 count
= mmc
->block_dev
.block_read(0, sector
, 1, header
);
32 if (image_get_magic(header
) != IH_MAGIC
)
35 spl_parse_image_header(header
);
37 /* convert size to sectors - round up */
38 image_size_sectors
= (spl_image
.size
+ mmc
->read_bl_len
- 1) /
41 /* Read the header too to avoid extra memcpy */
42 count
= mmc
->block_dev
.block_read(0, sector
, image_size_sectors
,
43 (void *) spl_image
.load_addr
);
46 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
48 printf("spl: mmc block read error\n");
57 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
58 static int mmc_load_image_raw_partition(struct mmc
*mmc
, int partition
)
60 disk_partition_t info
;
63 err
= get_partition_info(&mmc
->block_dev
, partition
, &info
);
65 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
66 printf("spl: partition error\n");
71 return mmc_load_image_raw_sector(mmc
, info
.start
);
75 #ifdef CONFIG_SPL_OS_BOOT
76 static int mmc_load_image_raw_os(struct mmc
*mmc
)
80 count
= mmc
->block_dev
.block_read(0,
81 CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR
,
82 CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS
,
83 (void *) CONFIG_SYS_SPL_ARGS_ADDR
);
85 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
86 printf("spl: mmc block read error\n");
91 return mmc_load_image_raw_sector(mmc
,
92 CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR
);
96 void spl_mmc_load_image(void)
101 __maybe_unused
int part
;
103 mmc_initialize(gd
->bd
);
105 /* We register only one device. So, the dev id is always 0 */
106 mmc
= find_mmc_device(0);
108 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
109 puts("spl: mmc device not found\n");
116 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
117 printf("spl: mmc init failed with error: %d\n", err
);
122 boot_mode
= spl_boot_mode();
125 debug("spl: mmc boot mode: raw\n");
127 #ifdef CONFIG_SPL_OS_BOOT
128 if (!spl_start_uboot()) {
129 err
= mmc_load_image_raw_os(mmc
);
134 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
135 err
= mmc_load_image_raw_partition(mmc
,
136 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
);
138 err
= mmc_load_image_raw_sector(mmc
,
139 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
);
143 #if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
145 debug("spl: mmc boot mode: fs\n");
147 #ifdef CONFIG_SPL_FAT_SUPPORT
148 #ifdef CONFIG_SPL_OS_BOOT
149 if (!spl_start_uboot()) {
150 err
= spl_load_image_fat_os(&mmc
->block_dev
,
151 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
);
156 err
= spl_load_image_fat(&mmc
->block_dev
,
157 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
,
158 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
);
162 #ifdef CONFIG_SPL_EXT_SUPPORT
163 #ifdef CONFIG_SPL_OS_BOOT
164 if (!spl_start_uboot()) {
165 err
= spl_load_image_ext_os(&mmc
->block_dev
,
166 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
);
171 err
= spl_load_image_ext(&mmc
->block_dev
,
172 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
,
173 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
);
178 #ifdef CONFIG_SUPPORT_EMMC_BOOT
179 case MMCSD_MODE_EMMCBOOT
:
181 * We need to check what the partition is configured to.
182 * 1 and 2 match up to boot0 / boot1 and 7 is user data
183 * which is the first physical partition (0).
185 part
= (mmc
->part_config
>> 3) & PART_ACCESS_MASK
;
190 if (mmc_switch_part(0, part
)) {
191 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
192 puts("spl: mmc partition switch failed\n");
197 #ifdef CONFIG_SPL_OS_BOOT
198 if (!spl_start_uboot()) {
199 err
= mmc_load_image_raw_os(mmc
);
204 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
205 err
= mmc_load_image_raw_partition(mmc
,
206 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
);
208 err
= mmc_load_image_raw_sector(mmc
,
209 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
);
214 case MMCSD_MODE_UNDEFINED
:
216 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
218 puts("spl: mmc: no boot mode left to try\n");
220 puts("spl: mmc: wrong boot mode\n");