3 * Texas Instruments, <www.ti.com>
5 * Aneesh V <aneesh@ti.com>
7 * SPDX-License-Identifier: GPL-2.0+
12 #include <linux/compiler.h>
13 #include <asm/u-boot.h>
17 DECLARE_GLOBAL_DATA_PTR
;
19 static int mmc_load_image_raw_sector(struct mmc
*mmc
, unsigned long sector
)
22 u32 image_size_sectors
;
23 struct image_header
*header
;
25 header
= (struct image_header
*)(CONFIG_SYS_TEXT_BASE
-
26 sizeof(struct image_header
));
28 /* read image header to find the image size & load address */
29 count
= mmc
->block_dev
.block_read(0, sector
, 1, header
);
30 debug("read sector %lx, count=%lu\n", sector
, count
);
34 if (image_get_magic(header
) != IH_MAGIC
) {
39 spl_parse_image_header(header
);
41 /* convert size to sectors - round up */
42 image_size_sectors
= (spl_image
.size
+ mmc
->read_bl_len
- 1) /
45 /* Read the header too to avoid extra memcpy */
46 count
= mmc
->block_dev
.block_read(0, sector
, image_size_sectors
,
47 (void *)spl_image
.load_addr
);
48 debug("read %x sectors to %x\n", image_size_sectors
,
53 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
54 puts("spl: mmc block read error\n");
62 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
63 static int mmc_load_image_raw_partition(struct mmc
*mmc
, int partition
)
65 disk_partition_t info
;
68 err
= get_partition_info(&mmc
->block_dev
, partition
, &info
);
70 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
71 puts("spl: partition error\n");
76 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
77 return mmc_load_image_raw_sector(mmc
, info
.start
+
78 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
);
80 return mmc_load_image_raw_sector(mmc
, info
.start
);
85 #ifdef CONFIG_SPL_OS_BOOT
86 static int mmc_load_image_raw_os(struct mmc
*mmc
)
90 count
= mmc
->block_dev
.block_read(0,
91 CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR
,
92 CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS
,
93 (void *) CONFIG_SYS_SPL_ARGS_ADDR
);
95 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
96 puts("spl: mmc block read error\n");
101 return mmc_load_image_raw_sector(mmc
,
102 CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR
);
106 void spl_mmc_load_image(void)
111 __maybe_unused
int part
;
116 mmc_initialize(NULL
);
117 err
= uclass_get_device(UCLASS_MMC
, 0, &dev
);
120 mmc
= mmc_get_mmc_dev(dev
);
122 mmc_initialize(gd
->bd
);
124 /* We register only one device. So, the dev id is always 0 */
125 mmc
= find_mmc_device(0);
127 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
128 puts("spl: mmc device not found\n");
138 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
139 printf("spl: mmc init failed with error: %d\n", err
);
144 boot_mode
= spl_boot_mode();
147 debug("spl: mmc boot mode: raw\n");
149 #ifdef CONFIG_SPL_OS_BOOT
150 if (!spl_start_uboot()) {
151 err
= mmc_load_image_raw_os(mmc
);
156 #if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION)
157 err
= mmc_load_image_raw_partition(mmc
,
158 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
);
161 #elif defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR)
162 err
= mmc_load_image_raw_sector(mmc
,
163 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
);
168 debug("spl: mmc boot mode: fs\n");
170 #ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
171 #ifdef CONFIG_SPL_FAT_SUPPORT
172 #ifdef CONFIG_SPL_OS_BOOT
173 if (!spl_start_uboot()) {
174 err
= spl_load_image_fat_os(&mmc
->block_dev
,
175 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
);
180 #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
181 err
= spl_load_image_fat(&mmc
->block_dev
,
182 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
,
183 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
);
188 #ifdef CONFIG_SPL_EXT_SUPPORT
189 #ifdef CONFIG_SPL_OS_BOOT
190 if (!spl_start_uboot()) {
191 err
= spl_load_image_ext_os(&mmc
->block_dev
,
192 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
);
197 #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
198 err
= spl_load_image_ext(&mmc
->block_dev
,
199 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
,
200 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
);
206 #ifdef CONFIG_SUPPORT_EMMC_BOOT
207 case MMCSD_MODE_EMMCBOOT
:
209 * We need to check what the partition is configured to.
210 * 1 and 2 match up to boot0 / boot1 and 7 is user data
211 * which is the first physical partition (0).
213 part
= (mmc
->part_config
>> 3) & PART_ACCESS_MASK
;
218 if (mmc_switch_part(0, part
)) {
219 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
220 puts("spl: mmc partition switch failed\n");
225 #ifdef CONFIG_SPL_OS_BOOT
226 if (!spl_start_uboot()) {
227 err
= mmc_load_image_raw_os(mmc
);
232 #if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION)
233 err
= mmc_load_image_raw_partition(mmc
,
234 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
);
237 #elif defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR)
238 err
= mmc_load_image_raw_sector(mmc
,
239 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
);
244 case MMCSD_MODE_UNDEFINED
:
246 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
248 puts("spl: mmc: no boot mode left to try\n");
250 puts("spl: mmc: wrong boot mode\n");