17 #include <mmc.h>
43 	ret = blk_get_device_by_str("mmc", STR(CONFIG_SYS_MMC_ENV_DEV), &desc);  in mmc_offset_try_partition()
72 		.offset_redund = "u-boot,mmc-env-offset-redundant",  in mmc_offset()
73 		.partition = "u-boot,mmc-env-partition",  in mmc_offset()
74 		.offset = "u-boot,mmc-env-offset",  in mmc_offset()
81 	/* look for the partition in mmc CONFIG_SYS_MMC_ENV_DEV */  in mmc_offset()
114 __weak int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr)  in mmc_get_env_addr()  argument
119 		offset += mmc->capacity;  in mmc_get_env_addr()
132 __weak uint mmc_get_env_part(struct mmc *mmc)  in mmc_get_env_part()  argument
139 static int mmc_set_env_part(struct mmc *mmc)  in mmc_set_env_part()  argument
141 	uint part = mmc_get_env_part(mmc);  in mmc_set_env_part()
145 	env_mmc_orig_hwpart = mmc_get_blk_desc(mmc)->hwpart;  in mmc_set_env_part()
148 		puts("MMC partition switch failed\n");  in mmc_set_env_part()
153 static inline int mmc_set_env_part(struct mmc *mmc) {return 0; };  in mmc_set_env_part()  argument
156 static const char *init_mmc_for_env(struct mmc *mmc)  in init_mmc_for_env()  argument
158 	if (!mmc)  in init_mmc_for_env()
159 		return "!No MMC card found";  in init_mmc_for_env()
164 	if (blk_get_from_parent(mmc->dev, &dev))  in init_mmc_for_env()
167 	if (mmc_init(mmc))  in init_mmc_for_env()
168 		return "!MMC init failed";  in init_mmc_for_env()
170 	if (mmc_set_env_part(mmc))  in init_mmc_for_env()
171 		return "!MMC partition switch failed";  in init_mmc_for_env()
176 static void fini_mmc_for_env(struct mmc *mmc)  in fini_mmc_for_env()  argument
186 static inline int write_env(struct mmc *mmc, unsigned long size,  in write_env()  argument
190 	struct blk_desc *desc = mmc_get_blk_desc(mmc);  in write_env()
192 	blk_start	= ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;  in write_env()
193 	blk_cnt		= ALIGN(size, mmc->write_bl_len) / mmc->write_bl_len;  in write_env()
204 	struct mmc *mmc = find_mmc_device(dev);  in env_mmc_save()  local
209 	errmsg = init_mmc_for_env(mmc);  in env_mmc_save()
224 	if (mmc_get_env_addr(mmc, copy, &offset)) {  in env_mmc_save()
230 	if (write_env(mmc, CONFIG_ENV_SIZE, offset, (u_char *)env_new)) {  in env_mmc_save()
244 	fini_mmc_for_env(mmc);  in env_mmc_save()
249 static inline int read_env(struct mmc *mmc, unsigned long size,  in read_env()  argument
253 	struct blk_desc *desc = mmc_get_blk_desc(mmc);  in read_env()
255 	blk_start	= ALIGN(offset, mmc->read_bl_len) / mmc->read_bl_len;  in read_env()
256 	blk_cnt		= ALIGN(size, mmc->read_bl_len) / mmc->read_bl_len;  in read_env()
267 	struct mmc *mmc;  in env_mmc_load()  local
277 	mmc = find_mmc_device(dev);  in env_mmc_load()
279 	errmsg = init_mmc_for_env(mmc);  in env_mmc_load()
285 	if (mmc_get_env_addr(mmc, 0, &offset1) ||  in env_mmc_load()
286 	    mmc_get_env_addr(mmc, 1, &offset2)) {  in env_mmc_load()
291 	read1_fail = read_env(mmc, CONFIG_ENV_SIZE, offset1, tmp_env1);  in env_mmc_load()
292 	read2_fail = read_env(mmc, CONFIG_ENV_SIZE, offset2, tmp_env2);  in env_mmc_load()
317 	fini_mmc_for_env(mmc);  in env_mmc_load()
330 	struct mmc *mmc;  in env_mmc_load()  local
336 	mmc = find_mmc_device(dev);  in env_mmc_load()
338 	errmsg = init_mmc_for_env(mmc);  in env_mmc_load()
344 	if (mmc_get_env_addr(mmc, 0, &offset)) {  in env_mmc_load()
349 	if (read_env(mmc, CONFIG_ENV_SIZE, offset, buf)) {  in env_mmc_load()
359 	fini_mmc_for_env(mmc);  in env_mmc_load()
368 U_BOOT_ENV_LOCATION(mmc) = {
370 	ENV_NAME("MMC")