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>
18 DECLARE_GLOBAL_DATA_PTR;
20 static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector)
23 u32 image_size_sectors;
24 struct image_header *header;
26 header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
27 sizeof(struct image_header));
29 /* read image header to find the image size & load address */
30 count = mmc->block_dev.block_read(0, sector, 1, header);
31 debug("read sector %lx, count=%lu\n", sector, count);
35 if (image_get_magic(header) != IH_MAGIC) {
40 spl_parse_image_header(header);
42 /* convert size to sectors - round up */
43 image_size_sectors = (spl_image.size + mmc->read_bl_len - 1) /
46 /* Read the header too to avoid extra memcpy */
47 count = mmc->block_dev.block_read(0, sector, image_size_sectors,
48 (void *)(ulong)spl_image.load_addr);
49 debug("read %x sectors to %x\n", image_size_sectors,
54 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
55 puts("spl: mmc block read error\n");
64 static int spl_mmc_find_device(struct mmc **mmc)
69 err = mmc_initialize(NULL);
71 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
72 printf("spl: could not initialize mmc. error: %d\n", err);
77 err = uclass_get_device(UCLASS_MMC, 0, &dev);
79 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
80 printf("spl: could not find mmc device. error: %d\n", err);
86 *mmc = mmc_get_mmc_dev(dev);
87 return *mmc != NULL ? 0 : -ENODEV;
90 static int spl_mmc_find_device(struct mmc **mmc)
94 err = mmc_initialize(gd->bd);
96 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
97 printf("spl: could not initialize mmc. error: %d\n", err);
102 /* We register only one device. So, the dev id is always 0 */
103 *mmc = find_mmc_device(0);
105 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
106 puts("spl: mmc device not found\n");
115 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
116 static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
118 disk_partition_t info;
121 err = get_partition_info(&mmc->block_dev, partition, &info);
123 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
124 puts("spl: partition error\n");
129 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
130 return mmc_load_image_raw_sector(mmc, info.start +
131 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
133 return mmc_load_image_raw_sector(mmc, info.start);
138 #ifdef CONFIG_SPL_OS_BOOT
139 static int mmc_load_image_raw_os(struct mmc *mmc)
143 count = mmc->block_dev.block_read(0,
144 CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
145 CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
146 (void *) CONFIG_SYS_SPL_ARGS_ADDR);
148 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
149 puts("spl: mmc block read error\n");
154 return mmc_load_image_raw_sector(mmc,
155 CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
159 void spl_mmc_load_image(void)
164 __maybe_unused int part;
166 if (spl_mmc_find_device(&mmc))
171 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
172 printf("spl: mmc init failed with error: %d\n", err);
177 boot_mode = spl_boot_mode();
180 debug("spl: mmc boot mode: raw\n");
182 #ifdef CONFIG_SPL_OS_BOOT
183 if (!spl_start_uboot()) {
184 err = mmc_load_image_raw_os(mmc);
189 #if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION)
190 err = mmc_load_image_raw_partition(mmc,
191 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
194 #elif defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR)
195 err = mmc_load_image_raw_sector(mmc,
196 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
202 debug("spl: mmc boot mode: fs\n");
204 #ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
205 #ifdef CONFIG_SPL_FAT_SUPPORT
206 #ifdef CONFIG_SPL_OS_BOOT
207 if (!spl_start_uboot()) {
208 err = spl_load_image_fat_os(&mmc->block_dev,
209 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
214 #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
215 err = spl_load_image_fat(&mmc->block_dev,
216 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
217 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
222 #ifdef CONFIG_SPL_EXT_SUPPORT
223 #ifdef CONFIG_SPL_OS_BOOT
224 if (!spl_start_uboot()) {
225 err = spl_load_image_ext_os(&mmc->block_dev,
226 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
231 #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
232 err = spl_load_image_ext(&mmc->block_dev,
233 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
234 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
241 #ifdef CONFIG_SUPPORT_EMMC_BOOT
242 case MMCSD_MODE_EMMCBOOT:
244 * We need to check what the partition is configured to.
245 * 1 and 2 match up to boot0 / boot1 and 7 is user data
246 * which is the first physical partition (0).
248 part = (mmc->part_config >> 3) & PART_ACCESS_MASK;
253 if (mmc_switch_part(0, part)) {
254 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
255 puts("spl: mmc partition switch failed\n");
260 #ifdef CONFIG_SPL_OS_BOOT
261 if (!spl_start_uboot()) {
262 err = mmc_load_image_raw_os(mmc);
267 #if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION)
268 err = mmc_load_image_raw_partition(mmc,
269 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
272 #elif defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR)
273 err = mmc_load_image_raw_sector(mmc,
274 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
280 case MMCSD_MODE_UNDEFINED:
281 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
283 puts("spl: mmc: wrong boot mode\n");