Lines Matching full:nand
161 * struct sunxi_nand_chip_sel - stores information related to NAND Chip Select
163 * @cs: the NAND CS id used to communicate with a NAND Chip
174 * @ecc_ctl: ECC_CTL register value for this NAND chip
181 * struct sunxi_nand_chip - stores NAND chip device related information
183 * @node: used to store NAND chips into a list
184 * @nand: base NAND chip structure
186 * @clk_rate: clk_rate required for this NAND chip
187 * @timing_cfg: TIMING_CFG register value for this NAND chip
188 * @timing_ctl: TIMING_CTL register value for this NAND chip
189 * @nsels: number of CS lines required by the NAND chip
194 struct nand_chip nand; member
203 static inline struct sunxi_nand_chip *to_sunxi_nand(struct nand_chip *nand) in to_sunxi_nand() argument
205 return container_of(nand, struct sunxi_nand_chip, nand); in to_sunxi_nand()
209 * NAND Controller capabilities structure: stores NAND controller capabilities
224 * struct sunxi_nfc - stores sunxi NAND controller information
228 * @regs: NAND controller registers
229 * @ahb_clk: NAND controller AHB clock
230 * @mod_clk: NAND controller mod clock
231 * @reset: NAND controller reset line
233 * @clk_rate: NAND controller current clock rate
234 * @chips: a list containing all the NAND chips attached to this NAND
236 * @complete: a completion object used to wait for NAND controller events
237 * @dmac: the DMA channel attached to the NAND controller
238 * @caps: NAND Controller capabilities
344 dev_err(nfc->dev, "wait for NAND controller reset timedout\n"); in sunxi_nfc_rst()
415 static void sunxi_nfc_select_chip(struct nand_chip *nand, unsigned int cs) in sunxi_nfc_select_chip() argument
417 struct mtd_info *mtd = nand_to_mtd(nand); in sunxi_nfc_select_chip()
418 struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand); in sunxi_nfc_select_chip()
419 struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller); in sunxi_nfc_select_chip()
430 ctl |= NFC_CE_SEL(sel->cs) | NFC_EN | NFC_PAGE_SHIFT(nand->page_shift); in sunxi_nfc_select_chip()
446 static void sunxi_nfc_read_buf(struct nand_chip *nand, uint8_t *buf, int len) in sunxi_nfc_read_buf() argument
448 struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand); in sunxi_nfc_read_buf()
449 struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller); in sunxi_nfc_read_buf()
483 static void sunxi_nfc_write_buf(struct nand_chip *nand, const uint8_t *buf, in sunxi_nfc_write_buf() argument
486 struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand); in sunxi_nfc_write_buf()
487 struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller); in sunxi_nfc_write_buf()
602 static u16 sunxi_nfc_randomizer_state(struct nand_chip *nand, int page, in sunxi_nfc_randomizer_state() argument
605 struct mtd_info *mtd = nand_to_mtd(nand); in sunxi_nfc_randomizer_state()
622 static void sunxi_nfc_randomizer_config(struct nand_chip *nand, int page, in sunxi_nfc_randomizer_config() argument
625 struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); in sunxi_nfc_randomizer_config()
629 if (!(nand->options & NAND_NEED_SCRAMBLING)) in sunxi_nfc_randomizer_config()
633 state = sunxi_nfc_randomizer_state(nand, page, ecc); in sunxi_nfc_randomizer_config()
638 static void sunxi_nfc_randomizer_enable(struct nand_chip *nand) in sunxi_nfc_randomizer_enable() argument
640 struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); in sunxi_nfc_randomizer_enable()
642 if (!(nand->options & NAND_NEED_SCRAMBLING)) in sunxi_nfc_randomizer_enable()
649 static void sunxi_nfc_randomizer_disable(struct nand_chip *nand) in sunxi_nfc_randomizer_disable() argument
651 struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); in sunxi_nfc_randomizer_disable()
653 if (!(nand->options & NAND_NEED_SCRAMBLING)) in sunxi_nfc_randomizer_disable()
660 static void sunxi_nfc_randomize_bbm(struct nand_chip *nand, int page, u8 *bbm) in sunxi_nfc_randomize_bbm() argument
662 u16 state = sunxi_nfc_randomizer_state(nand, page, true); in sunxi_nfc_randomize_bbm()
668 static void sunxi_nfc_randomizer_write_buf(struct nand_chip *nand, in sunxi_nfc_randomizer_write_buf() argument
672 sunxi_nfc_randomizer_config(nand, page, ecc); in sunxi_nfc_randomizer_write_buf()
673 sunxi_nfc_randomizer_enable(nand); in sunxi_nfc_randomizer_write_buf()
674 sunxi_nfc_write_buf(nand, buf, len); in sunxi_nfc_randomizer_write_buf()
675 sunxi_nfc_randomizer_disable(nand); in sunxi_nfc_randomizer_write_buf()
678 static void sunxi_nfc_randomizer_read_buf(struct nand_chip *nand, uint8_t *buf, in sunxi_nfc_randomizer_read_buf() argument
681 sunxi_nfc_randomizer_config(nand, page, ecc); in sunxi_nfc_randomizer_read_buf()
682 sunxi_nfc_randomizer_enable(nand); in sunxi_nfc_randomizer_read_buf()
683 sunxi_nfc_read_buf(nand, buf, len); in sunxi_nfc_randomizer_read_buf()
684 sunxi_nfc_randomizer_disable(nand); in sunxi_nfc_randomizer_read_buf()
687 static void sunxi_nfc_hw_ecc_enable(struct nand_chip *nand) in sunxi_nfc_hw_ecc_enable() argument
689 struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand); in sunxi_nfc_hw_ecc_enable()
690 struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); in sunxi_nfc_hw_ecc_enable()
695 static void sunxi_nfc_hw_ecc_disable(struct nand_chip *nand) in sunxi_nfc_hw_ecc_disable() argument
697 struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); in sunxi_nfc_hw_ecc_disable()
715 static void sunxi_nfc_hw_ecc_get_prot_oob_bytes(struct nand_chip *nand, u8 *oob, in sunxi_nfc_hw_ecc_get_prot_oob_bytes() argument
718 struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); in sunxi_nfc_hw_ecc_get_prot_oob_bytes()
724 if (bbm && (nand->options & NAND_NEED_SCRAMBLING)) in sunxi_nfc_hw_ecc_get_prot_oob_bytes()
725 sunxi_nfc_randomize_bbm(nand, page, oob); in sunxi_nfc_hw_ecc_get_prot_oob_bytes()
728 static void sunxi_nfc_hw_ecc_set_prot_oob_bytes(struct nand_chip *nand, in sunxi_nfc_hw_ecc_set_prot_oob_bytes() argument
732 struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); in sunxi_nfc_hw_ecc_set_prot_oob_bytes()
736 if (bbm && (nand->options & NAND_NEED_SCRAMBLING)) { in sunxi_nfc_hw_ecc_set_prot_oob_bytes()
738 sunxi_nfc_randomize_bbm(nand, page, user_data); in sunxi_nfc_hw_ecc_set_prot_oob_bytes()
746 static void sunxi_nfc_hw_ecc_update_stats(struct nand_chip *nand, in sunxi_nfc_hw_ecc_update_stats() argument
749 struct mtd_info *mtd = nand_to_mtd(nand); in sunxi_nfc_hw_ecc_update_stats()
759 static int sunxi_nfc_hw_ecc_correct(struct nand_chip *nand, u8 *data, u8 *oob, in sunxi_nfc_hw_ecc_correct() argument
762 struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); in sunxi_nfc_hw_ecc_correct()
763 struct nand_ecc_ctrl *ecc = &nand->ecc; in sunxi_nfc_hw_ecc_correct()
795 static int sunxi_nfc_hw_ecc_read_chunk(struct nand_chip *nand, in sunxi_nfc_hw_ecc_read_chunk() argument
802 struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); in sunxi_nfc_hw_ecc_read_chunk()
803 struct nand_ecc_ctrl *ecc = &nand->ecc; in sunxi_nfc_hw_ecc_read_chunk()
809 nand_change_read_column_op(nand, data_off, NULL, 0, false); in sunxi_nfc_hw_ecc_read_chunk()
811 sunxi_nfc_randomizer_read_buf(nand, NULL, ecc->size, false, page); in sunxi_nfc_hw_ecc_read_chunk()
814 nand_change_read_column_op(nand, oob_off, NULL, 0, false); in sunxi_nfc_hw_ecc_read_chunk()
820 sunxi_nfc_randomizer_config(nand, page, false); in sunxi_nfc_hw_ecc_read_chunk()
821 sunxi_nfc_randomizer_enable(nand); in sunxi_nfc_hw_ecc_read_chunk()
826 sunxi_nfc_randomizer_disable(nand); in sunxi_nfc_hw_ecc_read_chunk()
832 ret = sunxi_nfc_hw_ecc_correct(nand, data, oob_required ? oob : NULL, 0, in sunxi_nfc_hw_ecc_read_chunk()
843 if (nand->options & NAND_NEED_SCRAMBLING) in sunxi_nfc_hw_ecc_read_chunk()
844 nand_change_read_column_op(nand, data_off, data, in sunxi_nfc_hw_ecc_read_chunk()
850 nand_change_read_column_op(nand, oob_off, oob, ecc->bytes + 4, in sunxi_nfc_hw_ecc_read_chunk()
862 nand_change_read_column_op(nand, oob_off, NULL, 0, in sunxi_nfc_hw_ecc_read_chunk()
864 sunxi_nfc_randomizer_read_buf(nand, oob, ecc->bytes + 4, in sunxi_nfc_hw_ecc_read_chunk()
867 sunxi_nfc_hw_ecc_get_prot_oob_bytes(nand, oob, 0, in sunxi_nfc_hw_ecc_read_chunk()
872 sunxi_nfc_hw_ecc_update_stats(nand, max_bitflips, ret); in sunxi_nfc_hw_ecc_read_chunk()
877 static void sunxi_nfc_hw_ecc_read_extra_oob(struct nand_chip *nand, in sunxi_nfc_hw_ecc_read_extra_oob() argument
881 struct mtd_info *mtd = nand_to_mtd(nand); in sunxi_nfc_hw_ecc_read_extra_oob()
882 struct nand_ecc_ctrl *ecc = &nand->ecc; in sunxi_nfc_hw_ecc_read_extra_oob()
890 nand_change_read_column_op(nand, mtd->writesize, NULL, 0, in sunxi_nfc_hw_ecc_read_extra_oob()
894 sunxi_nfc_read_buf(nand, oob + offset, len); in sunxi_nfc_hw_ecc_read_extra_oob()
896 sunxi_nfc_randomizer_read_buf(nand, oob + offset, len, in sunxi_nfc_hw_ecc_read_extra_oob()
903 static int sunxi_nfc_hw_ecc_read_chunks_dma(struct nand_chip *nand, uint8_t *buf, in sunxi_nfc_hw_ecc_read_chunks_dma() argument
907 bool randomized = nand->options & NAND_NEED_SCRAMBLING; in sunxi_nfc_hw_ecc_read_chunks_dma()
908 struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); in sunxi_nfc_hw_ecc_read_chunks_dma()
909 struct mtd_info *mtd = nand_to_mtd(nand); in sunxi_nfc_hw_ecc_read_chunks_dma()
910 struct nand_ecc_ctrl *ecc = &nand->ecc; in sunxi_nfc_hw_ecc_read_chunks_dma()
925 sunxi_nfc_hw_ecc_enable(nand); in sunxi_nfc_hw_ecc_read_chunks_dma()
926 sunxi_nfc_randomizer_config(nand, page, false); in sunxi_nfc_hw_ecc_read_chunks_dma()
927 sunxi_nfc_randomizer_enable(nand); in sunxi_nfc_hw_ecc_read_chunks_dma()
946 sunxi_nfc_randomizer_disable(nand); in sunxi_nfc_hw_ecc_read_chunks_dma()
947 sunxi_nfc_hw_ecc_disable(nand); in sunxi_nfc_hw_ecc_read_chunks_dma()
960 u8 *oob = nand->oob_poi + oob_off; in sunxi_nfc_hw_ecc_read_chunks_dma()
963 ret = sunxi_nfc_hw_ecc_correct(nand, randomized ? data : NULL, in sunxi_nfc_hw_ecc_read_chunks_dma()
973 nand_change_read_column_op(nand, in sunxi_nfc_hw_ecc_read_chunks_dma()
977 sunxi_nfc_hw_ecc_get_prot_oob_bytes(nand, oob, i, in sunxi_nfc_hw_ecc_read_chunks_dma()
984 sunxi_nfc_hw_ecc_update_stats(nand, &max_bitflips, ret); in sunxi_nfc_hw_ecc_read_chunks_dma()
992 u8 *oob = nand->oob_poi + oob_off; in sunxi_nfc_hw_ecc_read_chunks_dma()
1003 nand_change_read_column_op(nand, data_off, in sunxi_nfc_hw_ecc_read_chunks_dma()
1008 nand_change_read_column_op(nand, in sunxi_nfc_hw_ecc_read_chunks_dma()
1019 sunxi_nfc_hw_ecc_update_stats(nand, &max_bitflips, ret); in sunxi_nfc_hw_ecc_read_chunks_dma()
1024 sunxi_nfc_hw_ecc_read_extra_oob(nand, nand->oob_poi, in sunxi_nfc_hw_ecc_read_chunks_dma()
1031 static int sunxi_nfc_hw_ecc_write_chunk(struct nand_chip *nand, in sunxi_nfc_hw_ecc_write_chunk() argument
1037 struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); in sunxi_nfc_hw_ecc_write_chunk()
1038 struct nand_ecc_ctrl *ecc = &nand->ecc; in sunxi_nfc_hw_ecc_write_chunk()
1042 nand_change_write_column_op(nand, data_off, NULL, 0, false); in sunxi_nfc_hw_ecc_write_chunk()
1044 sunxi_nfc_randomizer_write_buf(nand, data, ecc->size, false, page); in sunxi_nfc_hw_ecc_write_chunk()
1047 nand_change_write_column_op(nand, oob_off, NULL, 0, false); in sunxi_nfc_hw_ecc_write_chunk()
1053 sunxi_nfc_randomizer_config(nand, page, false); in sunxi_nfc_hw_ecc_write_chunk()
1054 sunxi_nfc_randomizer_enable(nand); in sunxi_nfc_hw_ecc_write_chunk()
1055 sunxi_nfc_hw_ecc_set_prot_oob_bytes(nand, oob, 0, bbm, page); in sunxi_nfc_hw_ecc_write_chunk()
1062 sunxi_nfc_randomizer_disable(nand); in sunxi_nfc_hw_ecc_write_chunk()
1071 static void sunxi_nfc_hw_ecc_write_extra_oob(struct nand_chip *nand, in sunxi_nfc_hw_ecc_write_extra_oob() argument
1075 struct mtd_info *mtd = nand_to_mtd(nand); in sunxi_nfc_hw_ecc_write_extra_oob()
1076 struct nand_ecc_ctrl *ecc = &nand->ecc; in sunxi_nfc_hw_ecc_write_extra_oob()
1084 nand_change_write_column_op(nand, offset + mtd->writesize, in sunxi_nfc_hw_ecc_write_extra_oob()
1087 sunxi_nfc_randomizer_write_buf(nand, oob + offset, len, false, page); in sunxi_nfc_hw_ecc_write_extra_oob()
1093 static int sunxi_nfc_hw_ecc_read_page(struct nand_chip *nand, uint8_t *buf, in sunxi_nfc_hw_ecc_read_page() argument
1096 struct mtd_info *mtd = nand_to_mtd(nand); in sunxi_nfc_hw_ecc_read_page()
1097 struct nand_ecc_ctrl *ecc = &nand->ecc; in sunxi_nfc_hw_ecc_read_page()
1102 sunxi_nfc_select_chip(nand, nand->cur_cs); in sunxi_nfc_hw_ecc_read_page()
1104 nand_read_page_op(nand, page, 0, NULL, 0); in sunxi_nfc_hw_ecc_read_page()
1106 sunxi_nfc_hw_ecc_enable(nand); in sunxi_nfc_hw_ecc_read_page()
1112 u8 *oob = nand->oob_poi + oob_off; in sunxi_nfc_hw_ecc_read_page()
1114 ret = sunxi_nfc_hw_ecc_read_chunk(nand, data, data_off, oob, in sunxi_nfc_hw_ecc_read_page()
1125 sunxi_nfc_hw_ecc_read_extra_oob(nand, nand->oob_poi, &cur_off, in sunxi_nfc_hw_ecc_read_page()
1128 sunxi_nfc_hw_ecc_disable(nand); in sunxi_nfc_hw_ecc_read_page()
1133 static int sunxi_nfc_hw_ecc_read_page_dma(struct nand_chip *nand, u8 *buf, in sunxi_nfc_hw_ecc_read_page_dma() argument
1138 sunxi_nfc_select_chip(nand, nand->cur_cs); in sunxi_nfc_hw_ecc_read_page_dma()
1140 nand_read_page_op(nand, page, 0, NULL, 0); in sunxi_nfc_hw_ecc_read_page_dma()
1142 ret = sunxi_nfc_hw_ecc_read_chunks_dma(nand, buf, oob_required, page, in sunxi_nfc_hw_ecc_read_page_dma()
1143 nand->ecc.steps); in sunxi_nfc_hw_ecc_read_page_dma()
1148 return sunxi_nfc_hw_ecc_read_page(nand, buf, oob_required, page); in sunxi_nfc_hw_ecc_read_page_dma()
1151 static int sunxi_nfc_hw_ecc_read_subpage(struct nand_chip *nand, in sunxi_nfc_hw_ecc_read_subpage() argument
1155 struct mtd_info *mtd = nand_to_mtd(nand); in sunxi_nfc_hw_ecc_read_subpage()
1156 struct nand_ecc_ctrl *ecc = &nand->ecc; in sunxi_nfc_hw_ecc_read_subpage()
1160 sunxi_nfc_select_chip(nand, nand->cur_cs); in sunxi_nfc_hw_ecc_read_subpage()
1162 nand_read_page_op(nand, page, 0, NULL, 0); in sunxi_nfc_hw_ecc_read_subpage()
1164 sunxi_nfc_hw_ecc_enable(nand); in sunxi_nfc_hw_ecc_read_subpage()
1171 u8 *oob = nand->oob_poi + oob_off; in sunxi_nfc_hw_ecc_read_subpage()
1173 ret = sunxi_nfc_hw_ecc_read_chunk(nand, data, data_off, in sunxi_nfc_hw_ecc_read_subpage()
1182 sunxi_nfc_hw_ecc_disable(nand); in sunxi_nfc_hw_ecc_read_subpage()
1187 static int sunxi_nfc_hw_ecc_read_subpage_dma(struct nand_chip *nand, in sunxi_nfc_hw_ecc_read_subpage_dma() argument
1191 int nchunks = DIV_ROUND_UP(data_offs + readlen, nand->ecc.size); in sunxi_nfc_hw_ecc_read_subpage_dma()
1194 sunxi_nfc_select_chip(nand, nand->cur_cs); in sunxi_nfc_hw_ecc_read_subpage_dma()
1196 nand_read_page_op(nand, page, 0, NULL, 0); in sunxi_nfc_hw_ecc_read_subpage_dma()
1198 ret = sunxi_nfc_hw_ecc_read_chunks_dma(nand, buf, false, page, nchunks); in sunxi_nfc_hw_ecc_read_subpage_dma()
1203 return sunxi_nfc_hw_ecc_read_subpage(nand, data_offs, readlen, in sunxi_nfc_hw_ecc_read_subpage_dma()
1207 static int sunxi_nfc_hw_ecc_write_page(struct nand_chip *nand, in sunxi_nfc_hw_ecc_write_page() argument
1211 struct mtd_info *mtd = nand_to_mtd(nand); in sunxi_nfc_hw_ecc_write_page()
1212 struct nand_ecc_ctrl *ecc = &nand->ecc; in sunxi_nfc_hw_ecc_write_page()
1215 sunxi_nfc_select_chip(nand, nand->cur_cs); in sunxi_nfc_hw_ecc_write_page()
1217 nand_prog_page_begin_op(nand, page, 0, NULL, 0); in sunxi_nfc_hw_ecc_write_page()
1219 sunxi_nfc_hw_ecc_enable(nand); in sunxi_nfc_hw_ecc_write_page()
1225 const u8 *oob = nand->oob_poi + oob_off; in sunxi_nfc_hw_ecc_write_page()
1227 ret = sunxi_nfc_hw_ecc_write_chunk(nand, data, data_off, oob, in sunxi_nfc_hw_ecc_write_page()
1234 if (oob_required || (nand->options & NAND_NEED_SCRAMBLING)) in sunxi_nfc_hw_ecc_write_page()
1235 sunxi_nfc_hw_ecc_write_extra_oob(nand, nand->oob_poi, in sunxi_nfc_hw_ecc_write_page()
1238 sunxi_nfc_hw_ecc_disable(nand); in sunxi_nfc_hw_ecc_write_page()
1240 return nand_prog_page_end_op(nand); in sunxi_nfc_hw_ecc_write_page()
1243 static int sunxi_nfc_hw_ecc_write_subpage(struct nand_chip *nand, in sunxi_nfc_hw_ecc_write_subpage() argument
1248 struct mtd_info *mtd = nand_to_mtd(nand); in sunxi_nfc_hw_ecc_write_subpage()
1249 struct nand_ecc_ctrl *ecc = &nand->ecc; in sunxi_nfc_hw_ecc_write_subpage()
1252 sunxi_nfc_select_chip(nand, nand->cur_cs); in sunxi_nfc_hw_ecc_write_subpage()
1254 nand_prog_page_begin_op(nand, page, 0, NULL, 0); in sunxi_nfc_hw_ecc_write_subpage()
1256 sunxi_nfc_hw_ecc_enable(nand); in sunxi_nfc_hw_ecc_write_subpage()
1263 const u8 *oob = nand->oob_poi + oob_off; in sunxi_nfc_hw_ecc_write_subpage()
1265 ret = sunxi_nfc_hw_ecc_write_chunk(nand, data, data_off, oob, in sunxi_nfc_hw_ecc_write_subpage()
1272 sunxi_nfc_hw_ecc_disable(nand); in sunxi_nfc_hw_ecc_write_subpage()
1274 return nand_prog_page_end_op(nand); in sunxi_nfc_hw_ecc_write_subpage()
1277 static int sunxi_nfc_hw_ecc_write_page_dma(struct nand_chip *nand, in sunxi_nfc_hw_ecc_write_page_dma() argument
1282 struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); in sunxi_nfc_hw_ecc_write_page_dma()
1283 struct nand_ecc_ctrl *ecc = &nand->ecc; in sunxi_nfc_hw_ecc_write_page_dma()
1288 sunxi_nfc_select_chip(nand, nand->cur_cs); in sunxi_nfc_hw_ecc_write_page_dma()
1300 const u8 *oob = nand->oob_poi + (i * (ecc->bytes + 4)); in sunxi_nfc_hw_ecc_write_page_dma()
1302 sunxi_nfc_hw_ecc_set_prot_oob_bytes(nand, oob, i, !i, page); in sunxi_nfc_hw_ecc_write_page_dma()
1305 nand_prog_page_begin_op(nand, page, 0, NULL, 0); in sunxi_nfc_hw_ecc_write_page_dma()
1307 sunxi_nfc_hw_ecc_enable(nand); in sunxi_nfc_hw_ecc_write_page_dma()
1308 sunxi_nfc_randomizer_config(nand, page, false); in sunxi_nfc_hw_ecc_write_page_dma()
1309 sunxi_nfc_randomizer_enable(nand); in sunxi_nfc_hw_ecc_write_page_dma()
1329 sunxi_nfc_randomizer_disable(nand); in sunxi_nfc_hw_ecc_write_page_dma()
1330 sunxi_nfc_hw_ecc_disable(nand); in sunxi_nfc_hw_ecc_write_page_dma()
1337 if (oob_required || (nand->options & NAND_NEED_SCRAMBLING)) in sunxi_nfc_hw_ecc_write_page_dma()
1339 sunxi_nfc_hw_ecc_write_extra_oob(nand, nand->oob_poi, in sunxi_nfc_hw_ecc_write_page_dma()
1342 return nand_prog_page_end_op(nand); in sunxi_nfc_hw_ecc_write_page_dma()
1345 return sunxi_nfc_hw_ecc_write_page(nand, buf, oob_required, page); in sunxi_nfc_hw_ecc_write_page_dma()
1348 static int sunxi_nfc_hw_ecc_read_oob(struct nand_chip *nand, int page) in sunxi_nfc_hw_ecc_read_oob() argument
1350 u8 *buf = nand_get_data_buf(nand); in sunxi_nfc_hw_ecc_read_oob()
1352 return nand->ecc.read_page(nand, buf, 1, page); in sunxi_nfc_hw_ecc_read_oob()
1355 static int sunxi_nfc_hw_ecc_write_oob(struct nand_chip *nand, int page) in sunxi_nfc_hw_ecc_write_oob() argument
1357 struct mtd_info *mtd = nand_to_mtd(nand); in sunxi_nfc_hw_ecc_write_oob()
1358 u8 *buf = nand_get_data_buf(nand); in sunxi_nfc_hw_ecc_write_oob()
1362 ret = nand->ecc.write_page(nand, buf, 1, page); in sunxi_nfc_hw_ecc_write_oob()
1367 return nand_prog_page_end_op(nand); in sunxi_nfc_hw_ecc_write_oob()
1391 static int sunxi_nfc_setup_interface(struct nand_chip *nand, int csline, in sunxi_nfc_setup_interface() argument
1394 struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand); in sunxi_nfc_setup_interface()
1395 struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller); in sunxi_nfc_setup_interface()
1481 * the sunxi NAND controller does not allow us to have different in sunxi_nfc_setup_interface()
1522 * TODO: according to ONFI specs this value only applies for DDR NAND, in sunxi_nfc_setup_interface()
1564 struct nand_chip *nand = mtd_to_nand(mtd); in sunxi_nand_ooblayout_ecc() local
1565 struct nand_ecc_ctrl *ecc = &nand->ecc; in sunxi_nand_ooblayout_ecc()
1579 struct nand_chip *nand = mtd_to_nand(mtd); in sunxi_nand_ooblayout_free() local
1580 struct nand_ecc_ctrl *ecc = &nand->ecc; in sunxi_nand_ooblayout_free()
1619 static int sunxi_nand_hw_ecc_ctrl_init(struct nand_chip *nand, in sunxi_nand_hw_ecc_ctrl_init() argument
1624 struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand); in sunxi_nand_hw_ecc_ctrl_init()
1625 struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); in sunxi_nand_hw_ecc_ctrl_init()
1626 struct mtd_info *mtd = nand_to_mtd(nand); in sunxi_nand_hw_ecc_ctrl_init()
1705 nand->options |= NAND_USES_DMA; in sunxi_nand_hw_ecc_ctrl_init()
1726 static int sunxi_nand_attach_chip(struct nand_chip *nand) in sunxi_nand_attach_chip() argument
1729 nanddev_get_ecc_requirements(&nand->base); in sunxi_nand_attach_chip()
1730 struct nand_ecc_ctrl *ecc = &nand->ecc; in sunxi_nand_attach_chip()
1731 struct device_node *np = nand_get_flash_node(nand); in sunxi_nand_attach_chip()
1734 if (nand->bbt_options & NAND_BBT_USE_FLASH) in sunxi_nand_attach_chip()
1735 nand->bbt_options |= NAND_BBT_NO_OOB; in sunxi_nand_attach_chip()
1737 if (nand->options & NAND_NEED_SCRAMBLING) in sunxi_nand_attach_chip()
1738 nand->options |= NAND_NO_SUBPAGE_WRITE; in sunxi_nand_attach_chip()
1740 nand->options |= NAND_SUBPAGE_READ; in sunxi_nand_attach_chip()
1752 ret = sunxi_nand_hw_ecc_ctrl_init(nand, ecc, np); in sunxi_nand_attach_chip()
1766 static int sunxi_nfc_exec_subop(struct nand_chip *nand, in sunxi_nfc_exec_subop() argument
1769 struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); in sunxi_nfc_exec_subop()
1862 static int sunxi_nfc_soft_waitrdy(struct nand_chip *nand, in sunxi_nfc_soft_waitrdy() argument
1865 return nand_soft_waitrdy(nand, in sunxi_nfc_soft_waitrdy()
1899 static int sunxi_nfc_exec_op(struct nand_chip *nand, in sunxi_nfc_exec_op() argument
1902 struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand); in sunxi_nfc_exec_op()
1906 sunxi_nfc_select_chip(nand, op->cs); in sunxi_nfc_exec_op()
1913 return nand_op_parser_exec_op(nand, parser, op, check_only); in sunxi_nfc_exec_op()
1932 chip = &sunxi_nand->nand; in sunxi_nand_chips_cleanup()
1945 struct nand_chip *nand; in sunxi_nand_chip_init() local
1996 nand = &sunxi_nand->nand; in sunxi_nand_chip_init()
1998 nand->controller = &nfc->controller; in sunxi_nand_chip_init()
1999 nand->controller->ops = &sunxi_nand_controller_ops; in sunxi_nand_chip_init()
2005 nand->ecc.engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST; in sunxi_nand_chip_init()
2006 nand_set_flash_node(nand, np); in sunxi_nand_chip_init()
2008 mtd = nand_to_mtd(nand); in sunxi_nand_chip_init()
2011 ret = nand_scan(nand, nsels); in sunxi_nand_chip_init()
2018 nand_cleanup(nand); in sunxi_nand_chip_init()
2133 0, "sunxi-nand", nfc); in sunxi_nfc_probe()
2146 dev_err(dev, "failed to init nand chips\n"); in sunxi_nfc_probe()
2186 .compatible = "allwinner,sun4i-a10-nand",
2190 .compatible = "allwinner,sun8i-a23-nand-controller",
2209 MODULE_DESCRIPTION("Allwinner NAND Flash Controller driver");