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 err = 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 err = 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");
54 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
55 static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
57 disk_partition_t info;
59 if (get_partition_info(&mmc->block_dev, partition, &info)) {
60 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
61 printf("spl: partition error\n");
66 return mmc_load_image_raw_sector(mmc, info.start);
70 #ifdef CONFIG_SPL_OS_BOOT
71 static int mmc_load_image_raw_os(struct mmc *mmc)
75 err = mmc->block_dev.block_read(0,
76 CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
77 CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
78 (void *)CONFIG_SYS_SPL_ARGS_ADDR);
80 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
81 printf("spl: mmc block read error\n");
86 return mmc_load_image_raw_sector(mmc,
87 CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
91 void spl_mmc_load_image(void)
96 __maybe_unused int part;
98 mmc_initialize(gd->bd);
100 /* We register only one device. So, the dev id is always 0 */
101 mmc = find_mmc_device(0);
103 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
104 puts("spl: mmc device not found\n");
111 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
112 printf("spl: mmc init failed with error: %d\n", err);
117 boot_mode = spl_boot_mode();
120 debug("spl: mmc boot mode: raw\n");
122 #ifdef CONFIG_SPL_OS_BOOT
123 if (!spl_start_uboot()) {
124 err = mmc_load_image_raw_os(mmc);
129 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
130 err = mmc_load_image_raw_partition(mmc,
131 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
133 err = mmc_load_image_raw_sector(mmc,
134 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
138 #if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
140 debug("spl: mmc boot mode: fs\n");
142 #ifdef CONFIG_SPL_FAT_SUPPORT
143 #ifdef CONFIG_SPL_OS_BOOT
144 if (!spl_start_uboot()) {
145 err = spl_load_image_fat_os(&mmc->block_dev,
146 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
151 err = spl_load_image_fat(&mmc->block_dev,
152 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
153 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
157 #ifdef CONFIG_SPL_EXT_SUPPORT
158 #ifdef CONFIG_SPL_OS_BOOT
159 if (!spl_start_uboot()) {
160 err = spl_load_image_ext_os(&mmc->block_dev,
161 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
166 err = spl_load_image_ext(&mmc->block_dev,
167 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
168 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
173 #ifdef CONFIG_SUPPORT_EMMC_BOOT
174 case MMCSD_MODE_EMMCBOOT:
176 * We need to check what the partition is configured to.
177 * 1 and 2 match up to boot0 / boot1 and 7 is user data
178 * which is the first physical partition (0).
180 part = (mmc->part_config >> 3) & PART_ACCESS_MASK;
185 if (mmc_switch_part(0, part)) {
186 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
187 puts("spl: mmc partition switch failed\n");
192 #ifdef CONFIG_SPL_OS_BOOT
193 if (!spl_start_uboot()) {
194 err = mmc_load_image_raw_os(mmc);
199 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
200 err = mmc_load_image_raw_partition(mmc,
201 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
203 err = mmc_load_image_raw_sector(mmc,
204 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
209 case MMCSD_MODE_UNDEFINED:
211 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
213 puts("spl: mmc: no boot mode left to try\n");
215 puts("spl: mmc: wrong boot mode\n");