1 // SPDX-License-Identifier: GPL-2.0+
13 #include <asm/u-boot.h>
15 #include <mmc.h>
18 static int mmc_load_legacy(struct spl_image_info *spl_image, struct mmc *mmc,  in mmc_load_legacy()  argument
29 	/* convert size to sectors - round up */  in mmc_load_legacy()
30 	image_size_sectors = (spl_image->size + mmc->read_bl_len - 1) /  in mmc_load_legacy()
31 			     mmc->read_bl_len;  in mmc_load_legacy()
34 	count = blk_dread(mmc_get_blk_desc(mmc), sector, image_size_sectors,  in mmc_load_legacy()
35 			  (void *)(ulong)spl_image->load_addr);  in mmc_load_legacy()
37 	      spl_image->load_addr);  in mmc_load_legacy()
39 		return -EIO;  in mmc_load_legacy()
47 	struct mmc *mmc = load->dev;  in h_spl_load_read()  local
49 	return blk_dread(mmc_get_blk_desc(mmc), sector, count, buf);  in h_spl_load_read()
54 			      struct mmc *mmc, unsigned long sector)  in mmc_load_image_raw_sector()  argument
58 	struct blk_desc *bd = mmc_get_blk_desc(mmc);  in mmc_load_image_raw_sector()
61 	header = spl_get_load_buffer(-sizeof(*header), bd->blksz);  in mmc_load_image_raw_sector()
67 		ret = -EIO;  in mmc_load_image_raw_sector()
76 		load.dev = mmc;  in mmc_load_image_raw_sector()
79 		load.bl_len = mmc->read_bl_len;  in mmc_load_image_raw_sector()
83 		ret = mmc_load_legacy(spl_image, mmc, sector, header);  in mmc_load_image_raw_sector()
89 		puts("mmc_load_image_raw_sector: mmc block read error\n");  in mmc_load_image_raw_sector()
91 		return -1;  in mmc_load_image_raw_sector()
108 	printf("spl: unsupported mmc boot device.\n");  in spl_mmc_get_device_index()
111 	return -ENODEV;  in spl_mmc_get_device_index()
114 static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device)  in spl_mmc_find_device()
128 		printf("spl: could not initialize mmc. error: %d\n", err);  in spl_mmc_find_device()
139 	err = *mmcp ? 0 : -ENODEV;  in spl_mmc_find_device()
143 		printf("spl: could not find mmc device %d. error: %d\n",  in spl_mmc_find_device()
154 					struct mmc *mmc, int partition,  in mmc_load_image_raw_partition()  argument
164 		err = part_get_info(mmc_get_blk_desc(mmc), type_part, &info);  in mmc_load_image_raw_partition()
175 	err = part_get_info(mmc_get_blk_desc(mmc), partition, &info);  in mmc_load_image_raw_partition()
180 		return -1;  in mmc_load_image_raw_partition()
184 	return mmc_load_image_raw_sector(spl_image, mmc, info.start + sector);  in mmc_load_image_raw_partition()
186 	return mmc_load_image_raw_sector(spl_image, mmc, info.start);  in mmc_load_image_raw_partition()
193 				 struct mmc *mmc)  in mmc_load_image_raw_os()  argument
200 	count = blk_dread(mmc_get_blk_desc(mmc),  in mmc_load_image_raw_os()
206 		puts("mmc_load_image_raw_os: mmc block read error\n");  in mmc_load_image_raw_os()
208 		return -1;  in mmc_load_image_raw_os()
212 	ret = mmc_load_image_raw_sector(spl_image, mmc,  in mmc_load_image_raw_os()
217 	if (spl_image->os != IH_OS_LINUX) {  in mmc_load_image_raw_os()
218 		puts("Expected Linux image is not found. Trying to start U-boot\n");  in mmc_load_image_raw_os()
219 		return -ENOENT;  in mmc_load_image_raw_os()
230 				 struct mmc *mmc)  in mmc_load_image_raw_os()  argument
232 	return -ENOSYS;  in mmc_load_image_raw_os()
237 static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image, struct mmc *mmc,  in spl_mmc_do_fs_boot()  argument
240 	int err = -ENOSYS;  in spl_mmc_do_fs_boot()
244 		err = spl_load_image_fat_os(spl_image, mmc_get_blk_desc(mmc),  in spl_mmc_do_fs_boot()
250 	err = spl_load_image_fat(spl_image, mmc_get_blk_desc(mmc),  in spl_mmc_do_fs_boot()
259 		err = spl_load_image_ext_os(spl_image, mmc_get_blk_desc(mmc),  in spl_mmc_do_fs_boot()
265 	err = spl_load_image_ext(spl_image, mmc_get_blk_desc(mmc),  in spl_mmc_do_fs_boot()
274 	err = -ENOENT;  in spl_mmc_do_fs_boot()
280 static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image, struct mmc *mmc,  in spl_mmc_do_fs_boot()  argument
283 	return -ENOSYS;  in spl_mmc_do_fs_boot()
312 	static struct mmc *mmc;  in spl_mmc_load()  local
318 	if (!mmc) {  in spl_mmc_load()
319 		err = spl_mmc_find_device(&mmc, bootdev->boot_device);  in spl_mmc_load()
323 		err = mmc_init(mmc);  in spl_mmc_load()
325 			mmc = NULL;  in spl_mmc_load()
327 			printf("spl: mmc init failed with error: %d\n", err);  in spl_mmc_load()
333 	boot_mode = spl_boot_mode(bootdev->boot_device);  in spl_mmc_load()
334 	err = -EINVAL;  in spl_mmc_load()
342 			part = (mmc->part_config >> 3) & PART_ACCESS_MASK;  in spl_mmc_load()
348 				err = mmc_switch_part(mmc, part);  in spl_mmc_load()
350 				err = blk_dselect_hwpart(mmc_get_blk_desc(mmc), part);  in spl_mmc_load()
354 				puts("spl: mmc partition switch failed\n");  in spl_mmc_load()
360 		debug("spl: mmc boot mode: raw\n");  in spl_mmc_load()
363 			err = mmc_load_image_raw_os(spl_image, mmc);  in spl_mmc_load()
368 		err = mmc_load_image_raw_partition(spl_image, mmc, raw_part,  in spl_mmc_load()
374 		err = mmc_load_image_raw_sector(spl_image, mmc, raw_sect);  in spl_mmc_load()
380 		debug("spl: mmc boot mode: fs\n");  in spl_mmc_load()
382 		err = spl_mmc_do_fs_boot(spl_image, mmc, filename);  in spl_mmc_load()
389 		puts("spl: mmc: wrong boot mode\n");  in spl_mmc_load()
406 			    spl_boot_partition(bootdev->boot_device),  in spl_mmc_load_image()