diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/mtd/nand/raw/sunxi_nand.c | 204 |
1 files changed, 94 insertions, 110 deletions
diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c index ba527e9e221e..e220925cca1a 100644 --- a/drivers/mtd/nand/raw/sunxi_nand.c +++ b/drivers/mtd/nand/raw/sunxi_nand.c @@ -339,13 +339,11 @@ static int sunxi_nfc_rst(struct sunxi_nfc *nfc) return ret; } -static int sunxi_nfc_dma_op_prepare(struct mtd_info *mtd, const void *buf, +static int sunxi_nfc_dma_op_prepare(struct sunxi_nfc *nfc, const void *buf, int chunksize, int nchunks, enum dma_data_direction ddir, struct scatterlist *sg) { - struct nand_chip *nand = mtd_to_nand(mtd); - struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); struct dma_async_tx_descriptor *dmad; enum dma_transfer_direction tdir; dma_cookie_t dmat; @@ -388,13 +386,10 @@ err_unmap_buf: return ret; } -static void sunxi_nfc_dma_op_cleanup(struct mtd_info *mtd, +static void sunxi_nfc_dma_op_cleanup(struct sunxi_nfc *nfc, enum dma_data_direction ddir, struct scatterlist *sg) { - struct nand_chip *nand = mtd_to_nand(mtd); - struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); - dma_unmap_sg(nfc->dev, sg, 1, ddir); writel(readl(nfc->regs + NFC_REG_CTL) & ~NFC_RAM_METHOD, nfc->regs + NFC_REG_CTL); @@ -684,8 +679,10 @@ static u16 sunxi_nfc_randomizer_step(u16 state, int count) return state; } -static u16 sunxi_nfc_randomizer_state(struct mtd_info *mtd, int page, bool ecc) +static u16 sunxi_nfc_randomizer_state(struct nand_chip *nand, int page, + bool ecc) { + struct mtd_info *mtd = nand_to_mtd(nand); const u16 *seeds = sunxi_nfc_randomizer_page_seeds; int mod = mtd_div_by_ws(mtd->erasesize, mtd); @@ -702,10 +699,9 @@ static u16 sunxi_nfc_randomizer_state(struct mtd_info *mtd, int page, bool ecc) return seeds[page % mod]; } -static void sunxi_nfc_randomizer_config(struct mtd_info *mtd, - int page, bool ecc) +static void sunxi_nfc_randomizer_config(struct nand_chip *nand, int page, + bool ecc) { - struct nand_chip *nand = mtd_to_nand(mtd); struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); u32 ecc_ctl = readl(nfc->regs + NFC_REG_ECC_CTL); u16 state; @@ -714,14 +710,13 @@ static void sunxi_nfc_randomizer_config(struct mtd_info *mtd, return; ecc_ctl = readl(nfc->regs + NFC_REG_ECC_CTL); - state = sunxi_nfc_randomizer_state(mtd, page, ecc); + state = sunxi_nfc_randomizer_state(nand, page, ecc); ecc_ctl = readl(nfc->regs + NFC_REG_ECC_CTL) & ~NFC_RANDOM_SEED_MSK; writel(ecc_ctl | NFC_RANDOM_SEED(state), nfc->regs + NFC_REG_ECC_CTL); } -static void sunxi_nfc_randomizer_enable(struct mtd_info *mtd) +static void sunxi_nfc_randomizer_enable(struct nand_chip *nand) { - struct nand_chip *nand = mtd_to_nand(mtd); struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); if (!(nand->options & NAND_NEED_SCRAMBLING)) @@ -731,9 +726,8 @@ static void sunxi_nfc_randomizer_enable(struct mtd_info *mtd) nfc->regs + NFC_REG_ECC_CTL); } -static void sunxi_nfc_randomizer_disable(struct mtd_info *mtd) +static void sunxi_nfc_randomizer_disable(struct nand_chip *nand) { - struct nand_chip *nand = mtd_to_nand(mtd); struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); if (!(nand->options & NAND_NEED_SCRAMBLING)) @@ -743,36 +737,35 @@ static void sunxi_nfc_randomizer_disable(struct mtd_info *mtd) nfc->regs + NFC_REG_ECC_CTL); } -static void sunxi_nfc_randomize_bbm(struct mtd_info *mtd, int page, u8 *bbm) +static void sunxi_nfc_randomize_bbm(struct nand_chip *nand, int page, u8 *bbm) { - u16 state = sunxi_nfc_randomizer_state(mtd, page, true); + u16 state = sunxi_nfc_randomizer_state(nand, page, true); bbm[0] ^= state; bbm[1] ^= sunxi_nfc_randomizer_step(state, 8); } -static void sunxi_nfc_randomizer_write_buf(struct mtd_info *mtd, +static void sunxi_nfc_randomizer_write_buf(struct nand_chip *nand, const uint8_t *buf, int len, bool ecc, int page) { - sunxi_nfc_randomizer_config(mtd, page, ecc); - sunxi_nfc_randomizer_enable(mtd); - sunxi_nfc_write_buf(mtd_to_nand(mtd), buf, len); - sunxi_nfc_randomizer_disable(mtd); + sunxi_nfc_randomizer_config(nand, page, ecc); + sunxi_nfc_randomizer_enable(nand); + sunxi_nfc_write_buf(nand, buf, len); + sunxi_nfc_randomizer_disable(nand); } -static void sunxi_nfc_randomizer_read_buf(struct mtd_info *mtd, uint8_t *buf, +static void sunxi_nfc_randomizer_read_buf(struct nand_chip *nand, uint8_t *buf, int len, bool ecc, int page) { - sunxi_nfc_randomizer_config(mtd, page, ecc); - sunxi_nfc_randomizer_enable(mtd); - sunxi_nfc_read_buf(mtd_to_nand(mtd), buf, len); - sunxi_nfc_randomizer_disable(mtd); + sunxi_nfc_randomizer_config(nand, page, ecc); + sunxi_nfc_randomizer_enable(nand); + sunxi_nfc_read_buf(nand, buf, len); + sunxi_nfc_randomizer_disable(nand); } -static void sunxi_nfc_hw_ecc_enable(struct mtd_info *mtd) +static void sunxi_nfc_hw_ecc_enable(struct nand_chip *nand) { - struct nand_chip *nand = mtd_to_nand(mtd); struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); struct sunxi_nand_hw_ecc *data = nand->ecc.priv; u32 ecc_ctl; @@ -789,9 +782,8 @@ static void sunxi_nfc_hw_ecc_enable(struct mtd_info *mtd) writel(ecc_ctl, nfc->regs + NFC_REG_ECC_CTL); } -static void sunxi_nfc_hw_ecc_disable(struct mtd_info *mtd) +static void sunxi_nfc_hw_ecc_disable(struct nand_chip *nand) { - struct nand_chip *nand = mtd_to_nand(mtd); struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); writel(readl(nfc->regs + NFC_REG_ECC_CTL) & ~NFC_ECC_EN, @@ -811,10 +803,9 @@ static inline u32 sunxi_nfc_buf_to_user_data(const u8 *buf) return buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24); } -static void sunxi_nfc_hw_ecc_get_prot_oob_bytes(struct mtd_info *mtd, u8 *oob, +static void sunxi_nfc_hw_ecc_get_prot_oob_bytes(struct nand_chip *nand, u8 *oob, int step, bool bbm, int page) { - struct nand_chip *nand = mtd_to_nand(mtd); struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); sunxi_nfc_user_data_to_buf(readl(nfc->regs + NFC_REG_USER_DATA(step)), @@ -822,21 +813,20 @@ static void sunxi_nfc_hw_ecc_get_prot_oob_bytes(struct mtd_info *mtd, u8 *oob, /* De-randomize the Bad Block Marker. */ if (bbm && (nand->options & NAND_NEED_SCRAMBLING)) - sunxi_nfc_randomize_bbm(mtd, page, oob); + sunxi_nfc_randomize_bbm(nand, page, oob); } -static void sunxi_nfc_hw_ecc_set_prot_oob_bytes(struct mtd_info *mtd, +static void sunxi_nfc_hw_ecc_set_prot_oob_bytes(struct nand_chip *nand, const u8 *oob, int step, bool bbm, int page) { - struct nand_chip *nand = mtd_to_nand(mtd); struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); u8 user_data[4]; /* Randomize the Bad Block Marker. */ if (bbm && (nand->options & NAND_NEED_SCRAMBLING)) { memcpy(user_data, oob, sizeof(user_data)); - sunxi_nfc_randomize_bbm(mtd, page, user_data); + sunxi_nfc_randomize_bbm(nand, page, user_data); oob = user_data; } @@ -844,9 +834,11 @@ static void sunxi_nfc_hw_ecc_set_prot_oob_bytes(struct mtd_info *mtd, nfc->regs + NFC_REG_USER_DATA(step)); } -static void sunxi_nfc_hw_ecc_update_stats(struct mtd_info *mtd, +static void sunxi_nfc_hw_ecc_update_stats(struct nand_chip *nand, unsigned int *max_bitflips, int ret) { + struct mtd_info *mtd = nand_to_mtd(nand); + if (ret < 0) { mtd->ecc_stats.failed++; } else { @@ -855,10 +847,9 @@ static void sunxi_nfc_hw_ecc_update_stats(struct mtd_info *mtd, } } -static int sunxi_nfc_hw_ecc_correct(struct mtd_info *mtd, u8 *data, u8 *oob, +static int sunxi_nfc_hw_ecc_correct(struct nand_chip *nand, u8 *data, u8 *oob, int step, u32 status, bool *erased) { - struct nand_chip *nand = mtd_to_nand(mtd); struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); struct nand_ecc_ctrl *ecc = &nand->ecc; u32 tmp; @@ -892,14 +883,13 @@ static int sunxi_nfc_hw_ecc_correct(struct mtd_info *mtd, u8 *data, u8 *oob, return NFC_ECC_ERR_CNT(step, tmp); } -static int sunxi_nfc_hw_ecc_read_chunk(struct mtd_info *mtd, +static int sunxi_nfc_hw_ecc_read_chunk(struct nand_chip *nand, u8 *data, int data_off, u8 *oob, int oob_off, int *cur_off, unsigned int *max_bitflips, bool bbm, bool oob_required, int page) { - struct nand_chip *nand = mtd_to_nand(mtd); struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); struct nand_ecc_ctrl *ecc = &nand->ecc; int raw_mode = 0; @@ -909,7 +899,7 @@ static int sunxi_nfc_hw_ecc_read_chunk(struct mtd_info *mtd, if (*cur_off != data_off) nand_change_read_column_op(nand, data_off, NULL, 0, false); - sunxi_nfc_randomizer_read_buf(mtd, NULL, ecc->size, false, page); + sunxi_nfc_randomizer_read_buf(nand, NULL, ecc->size, false, page); if (data_off + ecc->size != oob_off) nand_change_read_column_op(nand, oob_off, NULL, 0, false); @@ -918,18 +908,18 @@ static int sunxi_nfc_hw_ecc_read_chunk(struct mtd_info *mtd, if (ret) return ret; - sunxi_nfc_randomizer_enable(mtd); + sunxi_nfc_randomizer_enable(nand); writel(NFC_DATA_TRANS | NFC_DATA_SWAP_METHOD | NFC_ECC_OP, nfc->regs + NFC_REG_CMD); ret = sunxi_nfc_wait_events(nfc, NFC_CMD_INT_FLAG, false, 0); - sunxi_nfc_randomizer_disable(mtd); + sunxi_nfc_randomizer_disable(nand); if (ret) return ret; *cur_off = oob_off + ecc->bytes + 4; - ret = sunxi_nfc_hw_ecc_correct(mtd, data, oob_required ? oob : NULL, 0, + ret = sunxi_nfc_hw_ecc_correct(nand, data, oob_required ? oob : NULL, 0, readl(nfc->regs + NFC_REG_ECC_ST), &erased); if (erased) @@ -961,24 +951,24 @@ static int sunxi_nfc_hw_ecc_read_chunk(struct mtd_info *mtd, if (oob_required) { nand_change_read_column_op(nand, oob_off, NULL, 0, false); - sunxi_nfc_randomizer_read_buf(mtd, oob, ecc->bytes + 4, + sunxi_nfc_randomizer_read_buf(nand, oob, ecc->bytes + 4, true, page); - sunxi_nfc_hw_ecc_get_prot_oob_bytes(mtd, oob, 0, + sunxi_nfc_hw_ecc_get_prot_oob_bytes(nand, oob, 0, bbm, page); } } - sunxi_nfc_hw_ecc_update_stats(mtd, max_bitflips, ret); + sunxi_nfc_hw_ecc_update_stats(nand, max_bitflips, ret); return raw_mode; } -static void sunxi_nfc_hw_ecc_read_extra_oob(struct mtd_info *mtd, +static void sunxi_nfc_hw_ecc_read_extra_oob(struct nand_chip *nand, u8 *oob, int *cur_off, bool randomize, int page) { - struct nand_chip *nand = mtd_to_nand(mtd); + struct mtd_info *mtd = nand_to_mtd(nand); struct nand_ecc_ctrl *ecc = &nand->ecc; int offset = ((ecc->bytes + 4) * ecc->steps); int len = mtd->oobsize - offset; @@ -993,20 +983,20 @@ static void sunxi_nfc_hw_ecc_read_extra_oob(struct mtd_info *mtd, if (!randomize) sunxi_nfc_read_buf(nand, oob + offset, len); else - sunxi_nfc_randomizer_read_buf(mtd, oob + offset, len, + sunxi_nfc_randomizer_read_buf(nand, oob + offset, len, false, page); if (cur_off) *cur_off = mtd->oobsize + mtd->writesize; } -static int sunxi_nfc_hw_ecc_read_chunks_dma(struct mtd_info *mtd, uint8_t *buf, +static int sunxi_nfc_hw_ecc_read_chunks_dma(struct nand_chip *nand, uint8_t *buf, int oob_required, int page, int nchunks) { - struct nand_chip *nand = mtd_to_nand(mtd); bool randomized = nand->options & NAND_NEED_SCRAMBLING; struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); + struct mtd_info *mtd = nand_to_mtd(nand); struct nand_ecc_ctrl *ecc = &nand->ecc; unsigned int max_bitflips = 0; int ret, i, raw_mode = 0; @@ -1017,14 +1007,14 @@ static int sunxi_nfc_hw_ecc_read_chunks_dma(struct mtd_info *mtd, uint8_t *buf, if (ret) return ret; - ret = sunxi_nfc_dma_op_prepare(mtd, buf, ecc->size, nchunks, + ret = sunxi_nfc_dma_op_prepare(nfc, buf, ecc->size, nchunks, DMA_FROM_DEVICE, &sg); if (ret) return ret; - sunxi_nfc_hw_ecc_enable(mtd); - sunxi_nfc_randomizer_config(mtd, page, false); - sunxi_nfc_randomizer_enable(mtd); + sunxi_nfc_hw_ecc_enable(nand); + sunxi_nfc_randomizer_config(nand, page, false); + sunxi_nfc_randomizer_enable(nand); writel((NAND_CMD_RNDOUTSTART << 16) | (NAND_CMD_RNDOUT << 8) | NAND_CMD_READSTART, nfc->regs + NFC_REG_RCMD_SET); @@ -1038,10 +1028,10 @@ static int sunxi_nfc_hw_ecc_read_chunks_dma(struct mtd_info *mtd, uint8_t *buf, if (ret) dmaengine_terminate_all(nfc->dmac); - sunxi_nfc_randomizer_disable(mtd); - sunxi_nfc_hw_ecc_disable(mtd); + sunxi_nfc_randomizer_disable(nand); + sunxi_nfc_hw_ecc_disable(nand); - sunxi_nfc_dma_op_cleanup(mtd, DMA_FROM_DEVICE, &sg); + sunxi_nfc_dma_op_cleanup(nfc, DMA_FROM_DEVICE, &sg); if (ret) return ret; @@ -1055,7 +1045,7 @@ static int sunxi_nfc_hw_ecc_read_chunks_dma(struct mtd_info *mtd, uint8_t *buf, u8 *oob = nand->oob_poi + oob_off; bool erased; - ret = sunxi_nfc_hw_ecc_correct(mtd, randomized ? data : NULL, + ret = sunxi_nfc_hw_ecc_correct(nand, randomized ? data : NULL, oob_required ? oob : NULL, i, status, &erased); @@ -1069,14 +1059,14 @@ static int sunxi_nfc_hw_ecc_read_chunks_dma(struct mtd_info *mtd, uint8_t *buf, mtd->writesize + oob_off, oob, ecc->bytes + 4, false); - sunxi_nfc_hw_ecc_get_prot_oob_bytes(mtd, oob, i, + sunxi_nfc_hw_ecc_get_prot_oob_bytes(nand, oob, i, !i, page); } if (erased) raw_mode = 1; - sunxi_nfc_hw_ecc_update_stats(mtd, &max_bitflips, ret); + sunxi_nfc_hw_ecc_update_stats(nand, &max_bitflips, ret); } if (status & NFC_ECC_ERR_MSK) { @@ -1111,25 +1101,24 @@ static int sunxi_nfc_hw_ecc_read_chunks_dma(struct mtd_info *mtd, uint8_t *buf, if (ret >= 0) raw_mode = 1; - sunxi_nfc_hw_ecc_update_stats(mtd, &max_bitflips, ret); + sunxi_nfc_hw_ecc_update_stats(nand, &max_bitflips, ret); } } if (oob_required) - sunxi_nfc_hw_ecc_read_extra_oob(mtd, nand->oob_poi, + sunxi_nfc_hw_ecc_read_extra_oob(nand, nand->oob_poi, NULL, !raw_mode, page); return max_bitflips; } -static int sunxi_nfc_hw_ecc_write_chunk(struct mtd_info *mtd, +static int sunxi_nfc_hw_ecc_write_chunk(struct nand_chip *nand, const u8 *data, int data_off, const u8 *oob, int oob_off, int *cur_off, bool bbm, int page) { - struct nand_chip *nand = mtd_to_nand(mtd); struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); struct nand_ecc_ctrl *ecc = &nand->ecc; int ret; @@ -1137,7 +1126,7 @@ static int sunxi_nfc_hw_ecc_write_chunk(struct mtd_info *mtd, if (data_off != *cur_off) nand_change_write_column_op(nand, data_off, NULL, 0, false); - sunxi_nfc_randomizer_write_buf(mtd, data, ecc->size, false, page); + sunxi_nfc_randomizer_write_buf(nand, data, ecc->size, false, page); if (data_off + ecc->size != oob_off) nand_change_write_column_op(nand, oob_off, NULL, 0, false); @@ -1146,15 +1135,15 @@ static int sunxi_nfc_hw_ecc_write_chunk(struct mtd_info *mtd, if (ret) return ret; - sunxi_nfc_randomizer_enable(mtd); - sunxi_nfc_hw_ecc_set_prot_oob_bytes(mtd, oob, 0, bbm, page); + sunxi_nfc_randomizer_enable(nand); + sunxi_nfc_hw_ecc_set_prot_oob_bytes(nand, oob, 0, bbm, page); writel(NFC_DATA_TRANS | NFC_DATA_SWAP_METHOD | NFC_ACCESS_DIR | NFC_ECC_OP, nfc->regs + NFC_REG_CMD); ret = sunxi_nfc_wait_events(nfc, NFC_CMD_INT_FLAG, false, 0); - sunxi_nfc_randomizer_disable(mtd); + sunxi_nfc_randomizer_disable(nand); if (ret) return ret; @@ -1163,11 +1152,11 @@ static int sunxi_nfc_hw_ecc_write_chunk(struct mtd_info *mtd, return 0; } -static void sunxi_nfc_hw_ecc_write_extra_oob(struct mtd_info *mtd, +static void sunxi_nfc_hw_ecc_write_extra_oob(struct nand_chip *nand, u8 *oob, int *cur_off, int page) { - struct nand_chip *nand = mtd_to_nand(mtd); + struct mtd_info *mtd = nand_to_mtd(nand); struct nand_ecc_ctrl *ecc = &nand->ecc; int offset = ((ecc->bytes + 4) * ecc->steps); int len = mtd->oobsize - offset; @@ -1179,7 +1168,7 @@ static void sunxi_nfc_hw_ecc_write_extra_oob(struct mtd_info *mtd, nand_change_write_column_op(nand, offset + mtd->writesize, NULL, 0, false); - sunxi_nfc_randomizer_write_buf(mtd, oob + offset, len, false, page); + sunxi_nfc_randomizer_write_buf(nand, oob + offset, len, false, page); if (cur_off) *cur_off = mtd->oobsize + mtd->writesize; @@ -1196,7 +1185,7 @@ static int sunxi_nfc_hw_ecc_read_page(struct nand_chip *nand, uint8_t *buf, nand_read_page_op(nand, page, 0, NULL, 0); - sunxi_nfc_hw_ecc_enable(mtd); + sunxi_nfc_hw_ecc_enable(nand); for (i = 0; i < ecc->steps; i++) { int data_off = i * ecc->size; @@ -1204,7 +1193,7 @@ static int sunxi_nfc_hw_ecc_read_page(struct nand_chip *nand, uint8_t *buf, u8 *data = buf + data_off; u8 *oob = nand->oob_poi + oob_off; - ret = sunxi_nfc_hw_ecc_read_chunk(mtd, data, data_off, oob, + ret = sunxi_nfc_hw_ecc_read_chunk(nand, data, data_off, oob, oob_off + mtd->writesize, &cur_off, &max_bitflips, !i, oob_required, page); @@ -1215,10 +1204,10 @@ static int sunxi_nfc_hw_ecc_read_page(struct nand_chip *nand, uint8_t *buf, } if (oob_required) - sunxi_nfc_hw_ecc_read_extra_oob(mtd, nand->oob_poi, &cur_off, + sunxi_nfc_hw_ecc_read_extra_oob(nand, nand->oob_poi, &cur_off, !raw_mode, page); - sunxi_nfc_hw_ecc_disable(mtd); + sunxi_nfc_hw_ecc_disable(nand); return max_bitflips; } @@ -1226,12 +1215,11 @@ static int sunxi_nfc_hw_ecc_read_page(struct nand_chip *nand, uint8_t *buf, static int sunxi_nfc_hw_ecc_read_page_dma(struct nand_chip *nand, u8 *buf, int oob_required, int page) { - struct mtd_info *mtd = nand_to_mtd(nand); int ret; nand_read_page_op(nand, page, 0, NULL, 0); - ret = sunxi_nfc_hw_ecc_read_chunks_dma(mtd, buf, oob_required, page, + ret = sunxi_nfc_hw_ecc_read_chunks_dma(nand, buf, oob_required, page, nand->ecc.steps); if (ret >= 0) return ret; @@ -1251,7 +1239,7 @@ static int sunxi_nfc_hw_ecc_read_subpage(struct nand_chip *nand, nand_read_page_op(nand, page, 0, NULL, 0); - sunxi_nfc_hw_ecc_enable(mtd); + sunxi_nfc_hw_ecc_enable(nand); for (i = data_offs / ecc->size; i < DIV_ROUND_UP(data_offs + readlen, ecc->size); i++) { @@ -1260,7 +1248,7 @@ static int sunxi_nfc_hw_ecc_read_subpage(struct nand_chip *nand, u8 *data = bufpoi + data_off; u8 *oob = nand->oob_poi + oob_off; - ret = sunxi_nfc_hw_ecc_read_chunk(mtd, data, data_off, + ret = sunxi_nfc_hw_ecc_read_chunk(nand, data, data_off, oob, oob_off + mtd->writesize, &cur_off, &max_bitflips, !i, @@ -1269,7 +1257,7 @@ static int sunxi_nfc_hw_ecc_read_subpage(struct nand_chip *nand, return ret; } - sunxi_nfc_hw_ecc_disable(mtd); + sunxi_nfc_hw_ecc_disable(nand); return max_bitflips; } @@ -1278,13 +1266,12 @@ static int sunxi_nfc_hw_ecc_read_subpage_dma(struct nand_chip *nand, u32 data_offs, u32 readlen, u8 *buf, int page) { - struct mtd_info *mtd = nand_to_mtd(nand); int nchunks = DIV_ROUND_UP(data_offs + readlen, nand->ecc.size); int ret; nand_read_page_op(nand, page, 0, NULL, 0); - ret = sunxi_nfc_hw_ecc_read_chunks_dma(mtd, buf, false, page, nchunks); + ret = sunxi_nfc_hw_ecc_read_chunks_dma(nand, buf, false, page, nchunks); if (ret >= 0) return ret; @@ -1303,7 +1290,7 @@ static int sunxi_nfc_hw_ecc_write_page(struct nand_chip *nand, nand_prog_page_begin_op(nand, page, 0, NULL, 0); - sunxi_nfc_hw_ecc_enable(mtd); + sunxi_nfc_hw_ecc_enable(nand); for (i = 0; i < ecc->steps; i++) { int data_off = i * ecc->size; @@ -1311,7 +1298,7 @@ static int sunxi_nfc_hw_ecc_write_page(struct nand_chip *nand, const u8 *data = buf + data_off; const u8 *oob = nand->oob_poi + oob_off; - ret = sunxi_nfc_hw_ecc_write_chunk(mtd, data, data_off, oob, + ret = sunxi_nfc_hw_ecc_write_chunk(nand, data, data_off, oob, oob_off + mtd->writesize, &cur_off, !i, page); if (ret) @@ -1319,10 +1306,10 @@ static int sunxi_nfc_hw_ecc_write_page(struct nand_chip *nand, } if (oob_required || (nand->options & NAND_NEED_SCRAMBLING)) - sunxi_nfc_hw_ecc_write_extra_oob(mtd, nand->oob_poi, + sunxi_nfc_hw_ecc_write_extra_oob(nand, nand->oob_poi, &cur_off, page); - sunxi_nfc_hw_ecc_disable(mtd); + sunxi_nfc_hw_ecc_disable(nand); return nand_prog_page_end_op(nand); } @@ -1338,7 +1325,7 @@ static int sunxi_nfc_hw_ecc_write_subpage(struct nand_chip *nand, nand_prog_page_begin_op(nand, page, 0, NULL, 0); - sunxi_nfc_hw_ecc_enable(mtd); + sunxi_nfc_hw_ecc_enable(nand); for (i = data_offs / ecc->size; i < DIV_ROUND_UP(data_offs + data_len, ecc->size); i++) { @@ -1347,14 +1334,14 @@ static int sunxi_nfc_hw_ecc_write_subpage(struct nand_chip *nand, const u8 *data = buf + data_off; const u8 *oob = nand->oob_poi + oob_off; - ret = sunxi_nfc_hw_ecc_write_chunk(mtd, data, data_off, oob, + ret = sunxi_nfc_hw_ecc_write_chunk(nand, data, data_off, oob, oob_off + mtd->writesize, &cur_off, !i, page); if (ret) return ret; } - sunxi_nfc_hw_ecc_disable(mtd); + sunxi_nfc_hw_ecc_disable(nand); return nand_prog_page_end_op(nand); } @@ -1364,7 +1351,6 @@ static int sunxi_nfc_hw_ecc_write_page_dma(struct nand_chip *nand, int oob_required, int page) { - struct mtd_info *mtd = nand_to_mtd(nand); struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); struct nand_ecc_ctrl *ecc = &nand->ecc; struct scatterlist sg; @@ -1374,7 +1360,7 @@ static int sunxi_nfc_hw_ecc_write_page_dma(struct nand_chip *nand, if (ret) return ret; - ret = sunxi_nfc_dma_op_prepare(mtd, buf, ecc->size, ecc->steps, + ret = sunxi_nfc_dma_op_prepare(nfc, buf, ecc->size, ecc->steps, DMA_TO_DEVICE, &sg); if (ret) goto pio_fallback; @@ -1382,14 +1368,14 @@ static int sunxi_nfc_hw_ecc_write_page_dma(struct nand_chip *nand, for (i = 0; i < ecc->steps; i++) { const u8 *oob = nand->oob_poi + (i * (ecc->bytes + 4)); - sunxi_nfc_hw_ecc_set_prot_oob_bytes(mtd, oob, i, !i, page); + sunxi_nfc_hw_ecc_set_prot_oob_bytes(nand, oob, i, !i, page); } nand_prog_page_begin_op(nand, page, 0, NULL, 0); - sunxi_nfc_hw_ecc_enable(mtd); - sunxi_nfc_randomizer_config(mtd, page, false); - sunxi_nfc_randomizer_enable(mtd); + sunxi_nfc_hw_ecc_enable(nand); + sunxi_nfc_randomizer_config(nand, page, false); + sunxi_nfc_randomizer_enable(nand); writel((NAND_CMD_RNDIN << 8) | NAND_CMD_PAGEPROG, nfc->regs + NFC_REG_WCMD_SET); @@ -1404,17 +1390,17 @@ static int sunxi_nfc_hw_ecc_write_page_dma(struct nand_chip *nand, if (ret) dmaengine_terminate_all(nfc->dmac); - sunxi_nfc_randomizer_disable(mtd); - sunxi_nfc_hw_ecc_disable(mtd); + sunxi_nfc_randomizer_disable(nand); + sunxi_nfc_hw_ecc_disable(nand); - sunxi_nfc_dma_op_cleanup(mtd, DMA_TO_DEVICE, &sg); + sunxi_nfc_dma_op_cleanup(nfc, DMA_TO_DEVICE, &sg); if (ret) return ret; if (oob_required || (nand->options & NAND_NEED_SCRAMBLING)) /* TODO: use DMA to transfer extra OOB bytes ? */ - sunxi_nfc_hw_ecc_write_extra_oob(mtd, nand->oob_poi, + sunxi_nfc_hw_ecc_write_extra_oob(nand, nand->oob_poi, NULL, page); return nand_prog_page_end_op(nand); @@ -1677,14 +1663,13 @@ static void sunxi_nand_hw_ecc_ctrl_cleanup(struct nand_ecc_ctrl *ecc) kfree(ecc->priv); } -static int sunxi_nand_hw_ecc_ctrl_init(struct mtd_info *mtd, +static int sunxi_nand_hw_ecc_ctrl_init(struct nand_chip *nand, struct nand_ecc_ctrl *ecc, struct device_node *np) { static const u8 strengths[] = { 16, 24, 28, 32, 40, 48, 56, 60, 64 }; - struct nand_chip *nand = mtd_to_nand(mtd); - struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand); - struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller); + struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller); + struct mtd_info *mtd = nand_to_mtd(nand); struct sunxi_nand_hw_ecc *data; int nsectors; int ret; @@ -1808,7 +1793,6 @@ static void sunxi_nand_ecc_cleanup(struct nand_ecc_ctrl *ecc) static int sunxi_nand_attach_chip(struct nand_chip *nand) { - struct mtd_info *mtd = nand_to_mtd(nand); struct nand_ecc_ctrl *ecc = &nand->ecc; struct device_node *np = nand_get_flash_node(nand); int ret; @@ -1831,7 +1815,7 @@ static int sunxi_nand_attach_chip(struct nand_chip *nand) switch (ecc->mode) { case NAND_ECC_HW: - ret = sunxi_nand_hw_ecc_ctrl_init(mtd, ecc, np); + ret = sunxi_nand_hw_ecc_ctrl_init(nand, ecc, np); if (ret) return ret; break; |