3 * Texas Instruments, <www.ti.com>
5 * Aneesh V <aneesh@ti.com>
7 * SPDX-License-Identifier: GPL-2.0+
12 #include <linux/compiler.h>
14 #include <asm/u-boot.h>
19 DECLARE_GLOBAL_DATA_PTR;
21 static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector)
24 u32 image_size_sectors;
25 struct image_header *header;
27 header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
28 sizeof(struct image_header));
30 /* read image header to find the image size & load address */
31 count = mmc->block_dev.block_read(0, sector, 1, header);
32 debug("read sector %lx, count=%lu\n", sector, count);
36 if (image_get_magic(header) != IH_MAGIC) {
41 spl_parse_image_header(header);
43 /* convert size to sectors - round up */
44 image_size_sectors = (spl_image.size + mmc->read_bl_len - 1) /
47 /* Read the header too to avoid extra memcpy */
48 count = mmc->block_dev.block_read(0, sector, image_size_sectors,
49 (void *)(ulong)spl_image.load_addr);
50 debug("read %x sectors to %x\n", image_size_sectors,
55 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
56 puts("spl: mmc block read error\n");
64 int spl_mmc_get_device_index(u32 boot_device)
66 switch (boot_device) {
67 case BOOT_DEVICE_MMC1:
69 case BOOT_DEVICE_MMC2:
70 case BOOT_DEVICE_MMC2_2:
74 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
75 printf("spl: unsupported mmc boot device.\n");
82 static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)
87 mmc_dev = spl_mmc_get_device_index(boot_device);
91 err = mmc_initialize(NULL);
93 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
94 printf("spl: could not initialize mmc. error: %d\n", err);
99 err = uclass_get_device(UCLASS_MMC, mmc_dev, &dev);
101 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
102 printf("spl: could not find mmc device. error: %d\n", err);
108 *mmcp = mmc_get_mmc_dev(dev);
109 return *mmcp != NULL ? 0 : -ENODEV;
112 static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)
116 mmc_dev = spl_mmc_get_device_index(boot_device);
120 err = mmc_initialize(gd->bd);
122 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
123 printf("spl: could not initialize mmc. error: %d\n", err);
128 /* We register only one device. So, the dev id is always 0 */
129 *mmcp = find_mmc_device(mmc_dev);
131 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
132 puts("spl: mmc device not found\n");
141 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
142 static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
144 disk_partition_t info;
147 err = get_partition_info(&mmc->block_dev, partition, &info);
149 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
150 puts("spl: partition error\n");
155 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
156 return mmc_load_image_raw_sector(mmc, info.start +
157 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
159 return mmc_load_image_raw_sector(mmc, info.start);
163 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION -1
164 static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
170 #ifdef CONFIG_SPL_OS_BOOT
171 static int mmc_load_image_raw_os(struct mmc *mmc)
175 count = mmc->block_dev.block_read(0,
176 CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
177 CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
178 (void *) CONFIG_SYS_SPL_ARGS_ADDR);
180 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
181 puts("spl: mmc block read error\n");
186 return mmc_load_image_raw_sector(mmc,
187 CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
190 int spl_start_uboot(void)
194 static int mmc_load_image_raw_os(struct mmc *mmc)
200 #ifdef CONFIG_SYS_MMCSD_FS_BOOT_PARTITION
201 int spl_mmc_do_fs_boot(struct mmc *mmc)
205 #ifdef CONFIG_SPL_FAT_SUPPORT
206 if (!spl_start_uboot()) {
207 err = spl_load_image_fat_os(&mmc->block_dev,
208 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
212 #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
213 err = spl_load_image_fat(&mmc->block_dev,
214 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
215 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
220 #ifdef CONFIG_SPL_EXT_SUPPORT
221 if (!spl_start_uboot()) {
222 err = spl_load_image_ext_os(&mmc->block_dev,
223 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION);
227 #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
228 err = spl_load_image_ext(&mmc->block_dev,
229 CONFIG_SYS_MMCSD_FS_BOOT_PARTITION,
230 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
236 #if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
243 int spl_mmc_do_fs_boot(struct mmc *mmc)
249 int spl_mmc_load_image(u32 boot_device)
251 struct mmc *mmc = NULL;
254 __maybe_unused int part;
256 err = spl_mmc_find_device(&mmc, boot_device);
262 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
263 printf("spl: mmc init failed with error: %d\n", err);
268 boot_mode = spl_boot_mode();
271 case MMCSD_MODE_EMMCBOOT:
273 * We need to check what the partition is configured to.
274 * 1 and 2 match up to boot0 / boot1 and 7 is user data
275 * which is the first physical partition (0).
277 part = (mmc->part_config >> 3) & PART_ACCESS_MASK;
282 err = mmc_switch_part(0, part);
284 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
285 puts("spl: mmc partition switch failed\n");
291 debug("spl: mmc boot mode: raw\n");
293 if (!spl_start_uboot()) {
294 err = mmc_load_image_raw_os(mmc);
299 err = mmc_load_image_raw_partition(mmc,
300 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION);
303 #if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR)
304 err = mmc_load_image_raw_sector(mmc,
305 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
311 debug("spl: mmc boot mode: fs\n");
313 err = spl_mmc_do_fs_boot(mmc);
318 case MMCSD_MODE_UNDEFINED:
319 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
321 puts("spl: mmc: wrong boot mode\n");