10 #define pr_fmt(fmt)	"spi-nand: " fmt
53 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_get_cfg()  local
56 		    spinand->cur_target >= nand->memorg.ntargets))  in spinand_get_cfg()
65 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_set_cfg()  local
69 		    spinand->cur_target >= nand->memorg.ntargets))  in spinand_set_cfg()
109  * spinand_select_target() - Select a specific NAND target/die
119 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_select_target()  local
122 	if (WARN_ON(target >= nand->memorg.ntargets))  in spinand_select_target()
128 	if (nand->memorg.ntargets == 1) {  in spinand_select_target()
143 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_read_cfg()  local
147 	for (target = 0; target < nand->memorg.ntargets; target++) {  in spinand_read_cfg()
167 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_init_cfg_cache()  local
171 					  nand->memorg.ntargets,  in spinand_init_cfg_cache()
205 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_check_ecc_status()  local
220 		return nanddev_get_ecc_conf(nand)->strength;  in spinand_check_ecc_status()
256 static int spinand_ondie_ecc_init_ctx(struct nand_device *nand)  in spinand_ondie_ecc_init_ctx()  argument
258 	struct spinand_device *spinand = nand_to_spinand(nand);  in spinand_ondie_ecc_init_ctx()
259 	struct mtd_info *mtd = nanddev_to_mtd(nand);  in spinand_ondie_ecc_init_ctx()
262 	nand->ecc.ctx.conf.engine_type = NAND_ECC_ENGINE_TYPE_ON_DIE;  in spinand_ondie_ecc_init_ctx()
263 	nand->ecc.ctx.conf.step_size = nand->ecc.requirements.step_size;  in spinand_ondie_ecc_init_ctx()
264 	nand->ecc.ctx.conf.strength = nand->ecc.requirements.strength;  in spinand_ondie_ecc_init_ctx()
270 	nand->ecc.ctx.priv = engine_conf;  in spinand_ondie_ecc_init_ctx()
280 static void spinand_ondie_ecc_cleanup_ctx(struct nand_device *nand)  in spinand_ondie_ecc_cleanup_ctx()  argument
282 	kfree(nand->ecc.ctx.priv);  in spinand_ondie_ecc_cleanup_ctx()
285 static int spinand_ondie_ecc_prepare_io_req(struct nand_device *nand,  in spinand_ondie_ecc_prepare_io_req()  argument
288 	struct spinand_device *spinand = nand_to_spinand(nand);  in spinand_ondie_ecc_prepare_io_req()
291 	memset(spinand->oobbuf, 0xff, nanddev_per_page_oobsize(nand));  in spinand_ondie_ecc_prepare_io_req()
297 static int spinand_ondie_ecc_finish_io_req(struct nand_device *nand,  in spinand_ondie_ecc_finish_io_req()  argument
300 	struct spinand_ondie_ecc_conf *engine_conf = nand->ecc.ctx.priv;  in spinand_ondie_ecc_finish_io_req()
301 	struct spinand_device *spinand = nand_to_spinand(nand);  in spinand_ondie_ecc_finish_io_req()
333 static void spinand_ondie_ecc_save_status(struct nand_device *nand, u8 status)  in spinand_ondie_ecc_save_status()  argument
335 	struct spinand_ondie_ecc_conf *engine_conf = nand->ecc.ctx.priv;  in spinand_ondie_ecc_save_status()
337 	if (nand->ecc.ctx.conf.engine_type == NAND_ECC_ENGINE_TYPE_ON_DIE &&  in spinand_ondie_ecc_save_status()
352 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_load_page_op()  local
353 	unsigned int row = nanddev_pos_to_row(nand, &req->pos);  in spinand_load_page_op()
362 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_read_from_cache_op()  local
372 		nbytes = nanddev_page_size(nand);  in spinand_read_from_cache_op()
377 		nbytes += nanddev_per_page_oobsize(nand);  in spinand_read_from_cache_op()
380 			column = nanddev_page_size(nand);  in spinand_read_from_cache_op()
420 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_write_to_cache_op()  local
437 	nbytes = nanddev_page_size(nand) + nanddev_per_page_oobsize(nand);  in spinand_write_to_cache_op()
438 	memset(spinand->databuf, 0xff, nanddev_page_size(nand));  in spinand_write_to_cache_op()
476 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_program_op()  local
477 	unsigned int row = nanddev_pos_to_row(nand, &req->pos);  in spinand_program_op()
486 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_erase_op()  local
487 	unsigned int row = nanddev_pos_to_row(nand, pos);  in spinand_erase_op()
566 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_read_page()  local
570 	ret = nand_ecc_prepare_io_req(nand, (struct nand_page_io_req *)req);  in spinand_read_page()
585 	spinand_ondie_ecc_save_status(nand, status);  in spinand_read_page()
591 	return nand_ecc_finish_io_req(nand, (struct nand_page_io_req *)req);  in spinand_read_page()
597 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_write_page()  local
601 	ret = nand_ecc_prepare_io_req(nand, (struct nand_page_io_req *)req);  in spinand_write_page()
624 	return nand_ecc_finish_io_req(nand, (struct nand_page_io_req *)req);  in spinand_write_page()
631 	struct nand_device *nand = mtd_to_nanddev(mtd);  in spinand_mtd_read()  local
643 	nanddev_io_for_each_page(nand, NAND_PAGE_READ, from, ops, &iter) {  in spinand_mtd_read()
677 	struct nand_device *nand = mtd_to_nanddev(mtd);  in spinand_mtd_write()  local
687 	nanddev_io_for_each_page(nand, NAND_PAGE_WRITE, to, ops, &iter) {  in spinand_mtd_write()
708 static bool spinand_isbad(struct nand_device *nand, const struct nand_pos *pos)  in spinand_isbad()  argument
710 	struct spinand_device *spinand = nand_to_spinand(nand);  in spinand_isbad()
730 	struct nand_device *nand = mtd_to_nanddev(mtd);  in spinand_mtd_block_isbad()  local
731 	struct spinand_device *spinand = nand_to_spinand(nand);  in spinand_mtd_block_isbad()
735 	nanddev_offs_to_pos(nand, offs, &pos);  in spinand_mtd_block_isbad()
737 	ret = nanddev_isbad(nand, &pos);  in spinand_mtd_block_isbad()
743 static int spinand_markbad(struct nand_device *nand, const struct nand_pos *pos)  in spinand_markbad()  argument
745 	struct spinand_device *spinand = nand_to_spinand(nand);  in spinand_markbad()
769 	struct nand_device *nand = mtd_to_nanddev(mtd);  in spinand_mtd_block_markbad()  local
770 	struct spinand_device *spinand = nand_to_spinand(nand);  in spinand_mtd_block_markbad()
774 	nanddev_offs_to_pos(nand, offs, &pos);  in spinand_mtd_block_markbad()
776 	ret = nanddev_markbad(nand, &pos);  in spinand_mtd_block_markbad()
782 static int spinand_erase(struct nand_device *nand, const struct nand_pos *pos)  in spinand_erase()  argument
784 	struct spinand_device *spinand = nand_to_spinand(nand);  in spinand_erase()
827 	struct nand_device *nand = mtd_to_nanddev(mtd);  in spinand_mtd_block_isreserved()  local
831 	nanddev_offs_to_pos(nand, offs, &pos);  in spinand_mtd_block_isreserved()
833 	ret = nanddev_isreserved(nand, &pos);  in spinand_mtd_block_isreserved()
842 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_create_dirmap()  local
844 		.length = nanddev_page_size(nand) +  in spinand_create_dirmap()
845 			  nanddev_per_page_oobsize(nand),  in spinand_create_dirmap()
850 	info.offset = plane << fls(nand->memorg.pagesize);  in spinand_create_dirmap()
873 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_create_dirmaps()  local
878 					nand->memorg.planes_per_lun,  in spinand_create_dirmaps()
883 	for (i = 0; i < nand->memorg.planes_per_lun; i++) {  in spinand_create_dirmaps()
982 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_select_op_variant()  local
990 		nbytes = nanddev_per_page_oobsize(nand) +  in spinand_select_op_variant()
991 			 nanddev_page_size(nand);  in spinand_select_op_variant()
1015  * @spinand: SPI NAND object
1016  * @table: SPI NAND device description table
1021  * entry in the SPI NAND description table. If a match is found, the spinand
1033 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_match_and_init()  local
1046 		nand->memorg = table[i].memorg;  in spinand_match_and_init()
1047 		nanddev_set_ecc_requirements(nand, &table[i].eccreq);  in spinand_match_and_init()
1080 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_detect()  local
1094 	if (nand->memorg.ntargets > 1 && !spinand->select_target) {  in spinand_detect()
1101 		 "%s SPI NAND was found.\n", spinand->manufacturer->name);  in spinand_detect()
1104 		 nanddev_size(nand) >> 20, nanddev_eraseblock_size(nand) >> 10,  in spinand_detect()
1105 		 nanddev_page_size(nand), nanddev_per_page_oobsize(nand));  in spinand_detect()
1113 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_init_flash()  local
1131 		"Failed to initialize the SPI NAND chip (err = %d)\n",  in spinand_init_flash()
1137 	for (i = 0; i < nand->memorg.ntargets; i++) {  in spinand_init_flash()
1173 	struct nand_device *nand = mtd_to_nanddev(mtd);  in spinand_init()  local
1193 	spinand->databuf = kzalloc(nanddev_page_size(nand) +  in spinand_init()
1194 			       nanddev_per_page_oobsize(nand),  in spinand_init()
1201 	spinand->oobbuf = spinand->databuf + nanddev_page_size(nand);  in spinand_init()
1219 	ret = nanddev_init(nand, &spinand_ops, THIS_MODULE);  in spinand_init()
1223 	/* SPI-NAND default ECC engine is on-die */  in spinand_init()
1224 	nand->ecc.defaults.engine_type = NAND_ECC_ENGINE_TYPE_ON_DIE;  in spinand_init()
1225 	nand->ecc.ondie_engine = &spinand_ondie_ecc_engine;  in spinand_init()
1228 	ret = nanddev_ecc_engine_init(nand);  in spinand_init()
1241 	if (nand->ecc.engine) {  in spinand_init()
1250 	mtd->ecc_strength = nanddev_get_ecc_conf(nand)->strength;  in spinand_init()
1251 	mtd->ecc_step_size = nanddev_get_ecc_conf(nand)->step_size;  in spinand_init()
1256 	nanddev_ecc_engine_cleanup(nand);  in spinand_init()
1259 	nanddev_cleanup(nand);  in spinand_init()
1272 	struct nand_device *nand = spinand_to_nand(spinand);  in spinand_cleanup()  local
1274 	nanddev_cleanup(nand);  in spinand_cleanup()
1333 	{ .name = "spi-nand" },
1340 	{ .compatible = "spi-nand" },
1350 			.name = "spi-nand",
1359 MODULE_DESCRIPTION("SPI NAND framework");