41 static int nand_dump(struct mtd_info *mtd, ulong off, int only_oob,  in nand_dump()  argument
50 		off = last + mtd->writesize;  in nand_dump()
54 	datbuf = memalign(ARCH_DMA_MINALIGN, mtd->writesize);  in nand_dump()
60 	oobbuf = memalign(ARCH_DMA_MINALIGN, mtd->oobsize);  in nand_dump()
66 	off &= ~(mtd->writesize - 1);  in nand_dump()
72 	ops.len = mtd->writesize;  in nand_dump()
73 	ops.ooblen = mtd->oobsize;  in nand_dump()
75 	i = mtd_read_oob(mtd, addr, &ops);  in nand_dump()
84 		i = mtd->writesize >> 4;  in nand_dump()
98 	i = mtd->oobsize >> 3;  in nand_dump()
118 	struct mtd_info *mtd = get_nand_dev_by_index(dev);  in set_dev()  local
120 	if (!mtd)  in set_dev()
126 	printf("Device %d: %s", dev, mtd->name);  in set_dev()
131 	board_nand_select_device(mtd_to_nand(mtd), dev);  in set_dev()
155 static void do_nand_status(struct mtd_info *mtd)  in do_nand_status()  argument
161 	struct nand_chip *nand_chip = mtd_to_nand(mtd);  in do_nand_status()
163 	nand_chip->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1);  in do_nand_status()
165 		(nand_chip->read_byte(mtd) & 0x80 ?  in do_nand_status()
168 	for (off = 0; off < mtd->size; off += mtd->erasesize) {  in do_nand_status()
169 		int s = nand_get_lock_status(mtd, off);  in do_nand_status()
173 			print_status(block_start, off, mtd->erasesize,  in do_nand_status()
180 	print_status(block_start, off, mtd->erasesize, last_status);  in do_nand_status()
191 	struct mtd_info *mtd = get_nand_dev_by_index(0);  in do_nand_env_oob()  local
194 	if (CONFIG_SYS_MAX_NAND_DEVICE == 0 || !mtd) {  in do_nand_env_oob()
202 		ret = get_nand_env_oob(mtd, &nand_env_oob_offset);  in do_nand_env_oob()
216 		mtd = get_nand_dev_by_index(idx);  in do_nand_env_oob()
219 				MTD_DEV_TYPE_NAND, mtd->size)) {  in do_nand_env_oob()
233 		if (mtd->oobavail < ENV_OFFSET_SIZE) {  in do_nand_env_oob()
237 			       mtd->oobavail, ENV_OFFSET_SIZE);  in do_nand_env_oob()
241 		if ((addr & (mtd->erasesize - 1)) != 0) {  in do_nand_env_oob()
253 		oob_buf[1] = addr / mtd->erasesize;  in do_nand_env_oob()
255 		ret = mtd->write_oob(mtd, ENV_OFFSET_SIZE, &ops);  in do_nand_env_oob()
261 		ret = get_nand_env_oob(mtd, &nand_env_oob_offset);  in do_nand_env_oob()
287 	struct mtd_info *mtd;  in nand_print_and_set_info()  local
290 	mtd = get_nand_dev_by_index(idx);  in nand_print_and_set_info()
291 	if (!mtd)  in nand_print_and_set_info()
294 	chip = mtd_to_nand(mtd);  in nand_print_and_set_info()
299 	       mtd->name, mtd->erasesize >> 10);  in nand_print_and_set_info()
300 	printf("  Page size   %8d b\n", mtd->writesize);  in nand_print_and_set_info()
301 	printf("  OOB size    %8d b\n", mtd->oobsize);  in nand_print_and_set_info()
302 	printf("  Erase size  %8d b\n", mtd->erasesize);  in nand_print_and_set_info()
308 	env_set_hex("nand_writesize", mtd->writesize);  in nand_print_and_set_info()
309 	env_set_hex("nand_oobsize", mtd->oobsize);  in nand_print_and_set_info()
310 	env_set_hex("nand_erasesize", mtd->erasesize);  in nand_print_and_set_info()
313 static bool mtd_is_aligned_with_block_size(struct mtd_info *mtd, u64 size)  in mtd_is_aligned_with_block_size()  argument
315 	return !do_div(size, mtd->erasesize);  in mtd_is_aligned_with_block_size()
318 static int raw_access(struct mtd_info *mtd, ulong addr, loff_t off,  in raw_access()  argument
323 	while (count && (off + mtd->writesize) <= mtd->size) {  in raw_access()
328 		if (mtd_is_aligned_with_block_size(mtd, off) &&  in raw_access()
329 			mtd_block_isbad(mtd, off)) {  in raw_access()
331 			       off & ~(mtd->erasesize - 1));  in raw_access()
332 			off += mtd->erasesize;  in raw_access()
339 			.oobbuf = ((u8 *)addr) + mtd->writesize,  in raw_access()
340 			.len = mtd->writesize,  in raw_access()
341 			.ooblen = mtd->oobsize,  in raw_access()
346 			ret = mtd_read_oob(mtd, off, &ops);  in raw_access()
348 			ret = mtd_write_oob(mtd, off, &ops);  in raw_access()
350 				ret = nand_verify_page_oob(mtd, &ops, off);  in raw_access()
359 		addr += mtd->writesize + mtd->oobsize;  in raw_access()
360 		off += mtd->writesize;  in raw_access()
375 	struct mtd_info *mtd = get_nand_dev_by_index(dev);  in adjust_size_for_badblocks()  local
380 	for (; offset < maxoffset; offset += mtd->erasesize) {  in adjust_size_for_badblocks()
381 		if (nand_block_isbad(mtd, offset))  in adjust_size_for_badblocks()
386 		*size -= badblocks * mtd->erasesize;  in adjust_size_for_badblocks()
398 	struct mtd_info *mtd;  in do_nand()  local
457 	mtd = get_nand_dev_by_index(dev);  in do_nand()
458 	if (!mtd) {  in do_nand()
465 		for (off = 0; off < mtd->size; off += mtd->erasesize)  in do_nand()
466 			if (nand_block_isbad(mtd, off))  in do_nand()
520 				     mtd->size) != 0)  in do_nand()
526 		mtd = get_nand_dev_by_index(dev);  in do_nand()
548 		ret = nand_erase_opts(mtd, &opts);  in do_nand()
559 		ret = nand_dump(mtd, off, !strcmp(&cmd[4], ".oob"), repeat);  in do_nand()
589 					mtd->size))  in do_nand()
595 			mtd = get_nand_dev_by_index(dev);  in do_nand()
603 				if (pagecount % (mtd->writesize + mtd->oobsize)) {  in do_nand()
607 				pagecount = pagecount / (mtd->writesize + mtd->oobsize);  in do_nand()
610 			if (pagecount * mtd->writesize > size) {  in do_nand()
615 			rwsize = pagecount * (mtd->writesize + mtd->oobsize);  in do_nand()
620 					     mtd->size) != 0)  in do_nand()
632 		mtd = get_nand_dev_by_index(dev);  in do_nand()
637 				ret = nand_read_skip_bad(mtd, off, &rwsize,  in do_nand()
641 				ret = nand_write_skip_bad(mtd, off, &rwsize,  in do_nand()
651 			ret = nand_write_skip_bad(mtd, off, &rwsize, NULL,  in do_nand()
664 				ret = mtd_read_oob(mtd, off, &ops);  in do_nand()
666 				ret = mtd_write_oob(mtd, off, &ops);  in do_nand()
668 			ret = raw_access(mtd, addr, off, pagecount, read,  in do_nand()
694 		size = mtd->erasesize;  in do_nand()
703 		if (endoff > mtd->size) {  in do_nand()
708 		off = round_down(off, mtd->erasesize);  in do_nand()
709 		endoff = round_up(endoff, mtd->erasesize);  in do_nand()
712 		       dev, off, size, mtd->erasesize);  in do_nand()
714 			ret = nand_torture(mtd, off);  in do_nand()
721 			off += mtd->erasesize;  in do_nand()
738 			if (mtd_block_markbad(mtd, addr)) {  in do_nand()
770 			do_nand_status(mtd);  in do_nand()
772 			if (!nand_lock(mtd, tight)) {  in do_nand()
792 				     mtd->size) < 0)  in do_nand()
798 		mtd = get_nand_dev_by_index(dev);  in do_nand()
800 		if (!nand_unlock(mtd, off, size, allexcept)) {  in do_nand()
870 static int nand_load_image(cmd_tbl_t *cmdtp, struct mtd_info *mtd,  in nand_load_image()  argument
891 	printf("\nLoading from %s, offset 0x%lx\n", mtd->name, offset);  in nand_load_image()
893 	cnt = mtd->writesize;  in nand_load_image()
894 	r = nand_read_skip_bad(mtd, offset, &cnt, NULL, mtd->size,  in nand_load_image()
929 	r = nand_read_skip_bad(mtd, offset, &cnt, NULL, mtd->size,  in nand_load_image()
964 	struct mtd_info *mtd;  in do_nandboot()  local
985 			mtd = get_nand_dev_by_index(dev->id->num);  in do_nandboot()
986 			return nand_load_image(cmdtp, mtd, part->offset,  in do_nandboot()
1029 	mtd = get_nand_dev_by_index(idx);  in do_nandboot()
1030 	if (!mtd) {  in do_nandboot()
1037 	return nand_load_image(cmdtp, mtd, offset, addr, argv[0]);  in do_nandboot()