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");