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);
47 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
48 puts("spl: mmc block read error\n");
56 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
57 static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
59 disk_partition_t info;
62 err = get_partition_info(&mmc->block_dev, partition, &info);
64 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
65 puts("spl: partition error\n");
70 return mmc_load_image_raw_sector(mmc, info.start);
74 #ifdef CONFIG_SPL_OS_BOOT
75 static int mmc_load_image_raw_os(struct mmc *mmc)
79 count = mmc->block_dev.block_read(0,
80 CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
81 CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
82 (void *) CONFIG_SYS_SPL_ARGS_ADDR);
84 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
85 puts("spl: mmc block read error\n");
90 return mmc_load_image_raw_sector(mmc,
91 CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
95 void spl_mmc_load_image(void)
100 __maybe_unused int part;
102 mmc_initialize(gd->bd);
104 /* We register only one device. So, the dev id is always 0 */
105 mmc = find_mmc_device(0);
107 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
108 puts("spl: mmc device not found\n");
115 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
116 printf("spl: mmc init failed with error: %d\n", err);
121 boot_mode = spl_boot_mode();
124 debug("spl: mmc boot mode: raw\n");
126 #ifdef CONFIG_SPL_OS_BOOT
127 if (!spl_start_uboot()) {
128 err = mmc_load_image_raw_os(mmc);
133 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
134 err = mmc_load_image_raw_partition(mmc,
135 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
137 err = mmc_load_image_raw_sector(mmc,
138 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
142 #if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
144 debug("spl: mmc boot mode: fs\n");
146 #ifdef CONFIG_SPL_FAT_SUPPORT
147 #ifdef CONFIG_SPL_OS_BOOT
148 if (!spl_start_uboot()) {
149 err = spl_load_image_fat_os(&mmc->block_dev,
150 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
155 err = spl_load_image_fat(&mmc->block_dev,
156 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
157 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
161 #ifdef CONFIG_SPL_EXT_SUPPORT
162 #ifdef CONFIG_SPL_OS_BOOT
163 if (!spl_start_uboot()) {
164 err = spl_load_image_ext_os(&mmc->block_dev,
165 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
170 err = spl_load_image_ext(&mmc->block_dev,
171 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
172 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
177 #ifdef CONFIG_SUPPORT_EMMC_BOOT
178 case MMCSD_MODE_EMMCBOOT:
180 * We need to check what the partition is configured to.
181 * 1 and 2 match up to boot0 / boot1 and 7 is user data
182 * which is the first physical partition (0).
184 part = (mmc->part_config >> 3) & PART_ACCESS_MASK;
189 if (mmc_switch_part(0, part)) {
190 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
191 puts("spl: mmc partition switch failed\n");
196 #ifdef CONFIG_SPL_OS_BOOT
197 if (!spl_start_uboot()) {
198 err = mmc_load_image_raw_os(mmc);
203 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
204 err = mmc_load_image_raw_partition(mmc,
205 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
207 err = mmc_load_image_raw_sector(mmc,
208 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
213 case MMCSD_MODE_UNDEFINED:
215 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
217 puts("spl: mmc: no boot mode left to try\n");
219 puts("spl: mmc: wrong boot mode\n");