114 static inline int mxs_nand_calc_mark_offset(struct bch_geometry *geo,  in mxs_nand_calc_mark_offset()  argument
117 	uint32_t chunk_data_size_in_bits = geo->ecc_chunk_size * 8;  in mxs_nand_calc_mark_offset()
118 	uint32_t chunk_ecc_size_in_bits = geo->ecc_strength * geo->gf_len;  in mxs_nand_calc_mark_offset()
157 	geo->block_mark_byte_offset = block_mark_bit_offset >> 3;  in mxs_nand_calc_mark_offset()
158 	geo->block_mark_bit_offset = block_mark_bit_offset & 0x7;  in mxs_nand_calc_mark_offset()
163 static inline int mxs_nand_calc_ecc_layout_by_info(struct bch_geometry *geo,  in mxs_nand_calc_ecc_layout_by_info()  argument
173 		geo->gf_len = 13;  in mxs_nand_calc_ecc_layout_by_info()
176 		geo->gf_len = 14;  in mxs_nand_calc_ecc_layout_by_info()
182 	geo->ecc_chunk_size = ecc_step;  in mxs_nand_calc_ecc_layout_by_info()
183 	geo->ecc_strength = round_up(ecc_strength, 2);  in mxs_nand_calc_ecc_layout_by_info()
186 	if (geo->ecc_chunk_size < mtd->oobsize)  in mxs_nand_calc_ecc_layout_by_info()
189 	if (geo->ecc_strength > nand_info->max_ecc_strength_supported)  in mxs_nand_calc_ecc_layout_by_info()
192 	geo->ecc_chunk_count = mtd->writesize / geo->ecc_chunk_size;  in mxs_nand_calc_ecc_layout_by_info()
197 static inline int mxs_nand_calc_ecc_layout(struct bch_geometry *geo,  in mxs_nand_calc_ecc_layout()  argument
204 	geo->gf_len = 13;  in mxs_nand_calc_ecc_layout()
207 	geo->ecc_chunk_size = 512;  in mxs_nand_calc_ecc_layout()
209 	if (geo->ecc_chunk_size < mtd->oobsize) {  in mxs_nand_calc_ecc_layout()
210 		geo->gf_len = 14;  in mxs_nand_calc_ecc_layout()
211 		geo->ecc_chunk_size *= 2;  in mxs_nand_calc_ecc_layout()
214 	if (mtd->oobsize > geo->ecc_chunk_size) {  in mxs_nand_calc_ecc_layout()
216 		       geo->ecc_chunk_size);  in mxs_nand_calc_ecc_layout()
220 	geo->ecc_chunk_count = mtd->writesize / geo->ecc_chunk_size;  in mxs_nand_calc_ecc_layout()
230 	geo->ecc_strength = ((mtd->oobsize - MXS_NAND_METADATA_SIZE) * 8)  in mxs_nand_calc_ecc_layout()
231 			/ (geo->gf_len * geo->ecc_chunk_count);  in mxs_nand_calc_ecc_layout()
233 	geo->ecc_strength = min(round_down(geo->ecc_strength, 2),  in mxs_nand_calc_ecc_layout()
374 static void mxs_nand_swap_block_mark(struct bch_geometry *geo,  in mxs_nand_swap_block_mark()  argument
377 	uint32_t bit_offset = geo->block_mark_bit_offset;  in mxs_nand_swap_block_mark()
378 	uint32_t buf_offset = geo->block_mark_byte_offset;  in mxs_nand_swap_block_mark()
558 	struct bch_geometry *geo = &nand_info->bch_geometry;  in mxs_nand_ecc_read_page()  local
657 	mxs_nand_swap_block_mark(geo, nand_info->data_buf, nand_info->oob_buf);  in mxs_nand_ecc_read_page()
661 	for (i = 0; i < geo->ecc_chunk_count; i++) {  in mxs_nand_ecc_read_page()
709 	struct bch_geometry *geo = &nand_info->bch_geometry;  in mxs_nand_ecc_write_page()  local
718 	mxs_nand_swap_block_mark(geo, nand_info->data_buf, nand_info->oob_buf);  in mxs_nand_ecc_write_page()
966 static int mxs_nand_set_geometry(struct mtd_info *mtd, struct bch_geometry *geo)  in mxs_nand_set_geometry()  argument
973 		return mxs_nand_calc_ecc_layout_by_info(geo, mtd,  in mxs_nand_set_geometry()
977 		mxs_nand_calc_ecc_layout(geo, mtd)) {  in mxs_nand_set_geometry()
981 		return mxs_nand_calc_ecc_layout_by_info(geo, mtd,  in mxs_nand_set_geometry()
1001 	struct bch_geometry *geo = &nand_info->bch_geometry;  in mxs_nand_setup_ecc()  local
1006 	ret = mxs_nand_set_geometry(mtd, geo);  in mxs_nand_setup_ecc()
1010 	mxs_nand_calc_mark_offset(geo, mtd->writesize);  in mxs_nand_setup_ecc()
1016 	tmp = (geo->ecc_chunk_count - 1) << BCH_FLASHLAYOUT0_NBLOCKS_OFFSET;  in mxs_nand_setup_ecc()
1018 	tmp |= (geo->ecc_strength >> 1) << BCH_FLASHLAYOUT0_ECC0_OFFSET;  in mxs_nand_setup_ecc()
1019 	tmp |= geo->ecc_chunk_size >> MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT;  in mxs_nand_setup_ecc()
1020 	tmp |= (geo->gf_len == 14 ? 1 : 0) <<  in mxs_nand_setup_ecc()
1026 	tmp |= (geo->ecc_strength >> 1) << BCH_FLASHLAYOUT1_ECCN_OFFSET;  in mxs_nand_setup_ecc()
1027 	tmp |= geo->ecc_chunk_size >> MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT;  in mxs_nand_setup_ecc()
1028 	tmp |= (geo->gf_len == 14 ? 1 : 0) <<  in mxs_nand_setup_ecc()