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Searched refs:ecc (Results 1 – 25 of 320) sorted by relevance

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/Linux-v5.4/drivers/mtd/nand/raw/
Dmtk_ecc.c118 static inline void mtk_ecc_wait_idle(struct mtk_ecc *ecc, in mtk_ecc_wait_idle() argument
121 struct device *dev = ecc->dev; in mtk_ecc_wait_idle()
125 ret = readl_poll_timeout_atomic(ecc->regs + ECC_IDLE_REG(op), val, in mtk_ecc_wait_idle()
135 struct mtk_ecc *ecc = id; in mtk_ecc_irq() local
138 dec = readw(ecc->regs + ecc->caps->ecc_regs[ECC_DECIRQ_STA]) in mtk_ecc_irq()
141 dec = readw(ecc->regs + ecc->caps->ecc_regs[ECC_DECDONE]); in mtk_ecc_irq()
142 if (dec & ecc->sectors) { in mtk_ecc_irq()
147 readw(ecc->regs + ecc->caps->ecc_regs[ECC_DECIRQ_STA]); in mtk_ecc_irq()
148 ecc->sectors = 0; in mtk_ecc_irq()
149 complete(&ecc->done); in mtk_ecc_irq()
[all …]
Dnand_base.c53 struct nand_ecc_ctrl *ecc = &chip->ecc; in nand_ooblayout_ecc_sp() local
69 oobregion->length = ecc->total - 4; in nand_ooblayout_ecc_sp()
99 .ecc = nand_ooblayout_ecc_sp,
108 struct nand_ecc_ctrl *ecc = &chip->ecc; in nand_ooblayout_ecc_lp() local
110 if (section || !ecc->total) in nand_ooblayout_ecc_lp()
113 oobregion->length = ecc->total; in nand_ooblayout_ecc_lp()
123 struct nand_ecc_ctrl *ecc = &chip->ecc; in nand_ooblayout_free_lp() local
128 oobregion->length = mtd->oobsize - ecc->total - 2; in nand_ooblayout_free_lp()
135 .ecc = nand_ooblayout_ecc_lp,
148 struct nand_ecc_ctrl *ecc = &chip->ecc; in nand_ooblayout_ecc_lp_hamming() local
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Dsunxi_nand.c593 bool ecc) in sunxi_nfc_randomizer_state() argument
602 if (ecc) { in sunxi_nfc_randomizer_state()
613 bool ecc) in sunxi_nfc_randomizer_config() argument
623 state = sunxi_nfc_randomizer_state(nand, page, ecc); in sunxi_nfc_randomizer_config()
660 bool ecc, int page) in sunxi_nfc_randomizer_write_buf() argument
662 sunxi_nfc_randomizer_config(nand, page, ecc); in sunxi_nfc_randomizer_write_buf()
669 int len, bool ecc, int page) in sunxi_nfc_randomizer_read_buf() argument
671 sunxi_nfc_randomizer_config(nand, page, ecc); in sunxi_nfc_randomizer_read_buf()
680 struct sunxi_nand_hw_ecc *data = nand->ecc.priv; in sunxi_nfc_hw_ecc_enable()
689 if (nand->ecc.size == 512) in sunxi_nfc_hw_ecc_enable()
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Dnand_micron.c66 struct micron_on_die_ecc ecc; member
127 .ecc = micron_nand_on_die_4_ooblayout_ecc,
140 oobregion->offset = mtd->oobsize - chip->ecc.total; in micron_nand_on_die_8_ooblayout_ecc()
141 oobregion->length = chip->ecc.total; in micron_nand_on_die_8_ooblayout_ecc()
156 oobregion->length = mtd->oobsize - chip->ecc.total - 2; in micron_nand_on_die_8_ooblayout_free()
162 .ecc = micron_nand_on_die_8_ooblayout_ecc,
172 if (micron->ecc.forced) in micron_nand_on_die_ecc_setup()
175 if (micron->ecc.enabled == enable) in micron_nand_on_die_ecc_setup()
183 micron->ecc.enabled = enable; in micron_nand_on_die_ecc_setup()
222 ret = nand_read_page_op(chip, page, 0, micron->ecc.rawbuf, in micron_nand_on_die_ecc_status_4()
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Domap2.c887 if ((info->nand.ecc.mode == NAND_ECC_HW) && in omap_correct_data()
888 (info->nand.ecc.size == 2048)) in omap_correct_data()
956 val = ((((info->nand.ecc.size >> 1) - 1) << ECCSIZE1_SHIFT) | in omap_enable_hwecc()
1055 nsectors = chip->ecc.steps; in omap_enable_hwecc_bch()
1075 nsectors = chip->ecc.steps; in omap_enable_hwecc_bch()
1088 nsectors = chip->ecc.steps; in omap_enable_hwecc_bch()
1144 int eccbytes = info->nand.ecc.bytes; in _omap_calculate_ecc_bch()
1286 int eccbytes = info->nand.ecc.bytes; in omap_calculate_ecc_bch_multi()
1317 for (i = 0; i < info->nand.ecc.size; i++) { in erased_sector_bitflips()
1319 if (flip_bits > info->nand.ecc.strength) in erased_sector_bitflips()
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Dnand_bch.c40 struct nand_bch_control *nbc = chip->ecc.priv; in nand_bch_calculate_ecc()
43 memset(code, 0, chip->ecc.bytes); in nand_bch_calculate_ecc()
44 encode_bch(nbc->bch, buf, chip->ecc.size, code); in nand_bch_calculate_ecc()
47 for (i = 0; i < chip->ecc.bytes; i++) in nand_bch_calculate_ecc()
66 struct nand_bch_control *nbc = chip->ecc.priv; in nand_bch_correct_data()
70 count = decode_bch(nbc->bch, NULL, chip->ecc.size, read_ecc, calc_ecc, in nand_bch_correct_data()
74 if (errloc[i] < (chip->ecc.size*8)) in nand_bch_correct_data()
112 unsigned int eccsize = nand->ecc.size; in nand_bch_init()
113 unsigned int eccbytes = nand->ecc.bytes; in nand_bch_init()
114 unsigned int eccstrength = nand->ecc.strength; in nand_bch_init()
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Dfsmc_nand.c163 if (section >= chip->ecc.steps) in fsmc_ecc1_ooblayout_ecc()
177 if (section >= chip->ecc.steps) in fsmc_ecc1_ooblayout_free()
182 if (section < chip->ecc.steps - 1) in fsmc_ecc1_ooblayout_free()
191 .ecc = fsmc_ecc1_ooblayout_ecc,
206 if (section >= chip->ecc.steps) in fsmc_ecc4_ooblayout_ecc()
209 oobregion->length = chip->ecc.bytes; in fsmc_ecc4_ooblayout_ecc()
224 if (section >= chip->ecc.steps) in fsmc_ecc4_ooblayout_free()
229 if (section < chip->ecc.steps - 1) in fsmc_ecc4_ooblayout_free()
238 .ecc = fsmc_ecc4_ooblayout_ecc,
375 u8 *ecc) in fsmc_read_hwecc_ecc4() argument
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Dtango_nand.c179 u8 *ecc = chip->oob_poi + BBM_SIZE + METADATA_SIZE; in check_erased_page() local
180 const int ecc_size = chip->ecc.bytes; in check_erased_page()
181 const int pkt_size = chip->ecc.size; in check_erased_page()
184 for (i = 0; i < chip->ecc.steps; ++i) { in check_erased_page()
186 res = nand_check_erased_ecc_chunk(buf, pkt_size, ecc, ecc_size, in check_erased_page()
188 chip->ecc.strength); in check_erased_page()
196 ecc += ecc_size; in check_erased_page()
283 chip->ecc.read_oob(chip, page); in tango_read_page()
291 chip->ecc.read_oob_raw(chip, page); in tango_read_page()
371 const int ecc_size = chip->ecc.bytes; in raw_read()
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Dmtk_nand.c147 struct mtk_ecc *ecc; member
186 return (u8 *)p + i * chip->ecc.size; in data_ptr()
212 return chip->ecc.size + mtk_nand->spare_per_sector; in mtk_data_len()
226 return nfc->buffer + i * mtk_data_len(chip) + chip->ecc.size; in mtk_oob_ptr()
336 if (chip->ecc.size == 512) in mtk_nfc_hw_runtime_config()
342 if (chip->ecc.size == 512) in mtk_nfc_hw_runtime_config()
348 if (chip->ecc.size == 512) in mtk_nfc_hw_runtime_config()
365 if (chip->ecc.size == 1024) in mtk_nfc_hw_runtime_config()
384 nfc->ecc_cfg.strength = chip->ecc.strength; in mtk_nfc_hw_runtime_config()
385 nfc->ecc_cfg.len = chip->ecc.size + mtk_nand->fdm.ecc_size; in mtk_nfc_hw_runtime_config()
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Dqcom_nandc.c1390 struct nand_ecc_ctrl *ecc = &chip->ecc; in parse_erase_write_errors() local
1394 num_cw = command == NAND_CMD_PAGEPROG ? ecc->steps : 1; in parse_erase_write_errors()
1440 struct nand_ecc_ctrl *ecc = &chip->ecc; in qcom_nandc_command() local
1475 update_rw_regs(host, ecc->steps, true); in qcom_nandc_command()
1588 struct nand_ecc_ctrl *ecc = &chip->ecc; in qcom_nandc_read_cw_raw() local
1600 data_size1 = mtd->writesize - host->cw_size * (ecc->steps - 1); in qcom_nandc_read_cw_raw()
1603 if (cw == (ecc->steps - 1)) { in qcom_nandc_read_cw_raw()
1604 data_size2 = ecc->size - data_size1 - in qcom_nandc_read_cw_raw()
1605 ((ecc->steps - 1) * 4); in qcom_nandc_read_cw_raw()
1606 oob_size2 = (ecc->steps * 4) + host->ecc_bytes_hw + in qcom_nandc_read_cw_raw()
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Dnand_toshiba.c78 chip->ecc.bytes = 0; in toshiba_nand_benand_init()
79 chip->ecc.size = 512; in toshiba_nand_benand_init()
80 chip->ecc.strength = 8; in toshiba_nand_benand_init()
81 chip->ecc.read_page = toshiba_nand_read_page_benand; in toshiba_nand_benand_init()
82 chip->ecc.read_subpage = toshiba_nand_read_subpage_benand; in toshiba_nand_benand_init()
83 chip->ecc.write_page = nand_write_page_raw; in toshiba_nand_benand_init()
84 chip->ecc.read_page_raw = nand_read_page_raw_notsupp; in toshiba_nand_benand_init()
85 chip->ecc.write_page_raw = nand_write_page_raw_notsupp; in toshiba_nand_benand_init()
149 if (nand_is_slc(chip) && chip->ecc.mode == NAND_ECC_ON_DIE && in toshiba_nand_init()
Dstm32_fmc2_nand.c316 if (chip->ecc.strength == FMC2_ECC_BCH8) { in stm32_fmc2_setup()
319 } else if (chip->ecc.strength == FMC2_ECC_BCH4) { in stm32_fmc2_setup()
383 dma_cfg.src_addr += chip->ecc.strength == FMC2_ECC_HAM ? in stm32_fmc2_select_chip()
394 fmc2->dma_ecc_len = chip->ecc.strength == FMC2_ECC_HAM ? in stm32_fmc2_select_chip()
498 if (chip->ecc.strength != FMC2_ECC_HAM) { in stm32_fmc2_hwctl()
520 static inline void stm32_fmc2_ham_set_ecc(const u32 ecc_sta, u8 *ecc) in stm32_fmc2_ham_set_ecc() argument
522 ecc[0] = ecc_sta; in stm32_fmc2_ham_set_ecc()
523 ecc[1] = ecc_sta >> 8; in stm32_fmc2_ham_set_ecc()
524 ecc[2] = ecc_sta >> 16; in stm32_fmc2_ham_set_ecc()
528 u8 *ecc) in stm32_fmc2_ham_calculate() argument
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Dlpc32xx_slc.c169 .ecc = lpc32xx_ooblayout_ecc,
407 static void lpc32xx_slc_ecc_copy(uint8_t *spare, const uint32_t *ecc, int count) in lpc32xx_slc_ecc_copy() argument
412 uint32_t ce = ecc[i / 3]; in lpc32xx_slc_ecc_copy()
531 for (i = 0; i < chip->ecc.steps; i++) { in lpc32xx_xfer()
534 dma_buf + i * chip->ecc.size, in lpc32xx_xfer()
535 mtd->writesize / chip->ecc.steps, dir); in lpc32xx_xfer()
540 if (i == chip->ecc.steps - 1) in lpc32xx_xfer()
572 host->ecc_buf[chip->ecc.steps - 1] = in lpc32xx_xfer()
615 status = lpc32xx_xfer(mtd, buf, chip->ecc.steps, 1); in lpc32xx_nand_read_page_syndrome()
621 lpc32xx_slc_ecc_copy(tmpecc, (uint32_t *) host->ecc_buf, chip->ecc.steps); in lpc32xx_nand_read_page_syndrome()
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Dtegra_nand.c182 struct mtd_oob_region ecc; member
204 int bytes_per_step = DIV_ROUND_UP(BITS_PER_STEP_RS * chip->ecc.strength, in tegra_nand_ooblayout_rs_ecc()
211 oobregion->length = round_up(bytes_per_step * chip->ecc.steps, 4); in tegra_nand_ooblayout_rs_ecc()
223 .ecc = tegra_nand_ooblayout_rs_ecc,
231 int bytes_per_step = DIV_ROUND_UP(BITS_PER_STEP_BCH * chip->ecc.strength, in tegra_nand_ooblayout_bch_ecc()
238 oobregion->length = round_up(bytes_per_step * chip->ecc.steps, 4); in tegra_nand_ooblayout_bch_ecc()
244 .ecc = tegra_nand_ooblayout_bch_ecc,
480 if (chip->ecc.algo == NAND_ECC_BCH && enable) in tegra_nand_hw_ecc()
705 if (fail_sec_flag ^ GENMASK(chip->ecc.steps - 1, 0)) { in tegra_nand_read_page_hwecc()
721 for_each_set_bit(bit, &fail_sec_flag, chip->ecc.steps) { in tegra_nand_read_page_hwecc()
[all …]
/Linux-v5.4/drivers/mtd/nand/raw/ingenic/
Dingenic_ecc.c27 int ingenic_ecc_calculate(struct ingenic_ecc *ecc, in ingenic_ecc_calculate() argument
31 return ecc->ops->calculate(ecc, params, buf, ecc_code); in ingenic_ecc_calculate()
47 int ingenic_ecc_correct(struct ingenic_ecc *ecc, in ingenic_ecc_correct() argument
51 return ecc->ops->correct(ecc, params, buf, ecc_code); in ingenic_ecc_correct()
68 struct ingenic_ecc *ecc; in ingenic_ecc_get() local
76 ecc = platform_get_drvdata(pdev); in ingenic_ecc_get()
77 clk_prepare_enable(ecc->clk); in ingenic_ecc_get()
79 return ecc; in ingenic_ecc_get()
94 struct ingenic_ecc *ecc = NULL; in of_ingenic_ecc_get() local
107 ecc = ingenic_ecc_get(np); in of_ingenic_ecc_get()
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Dingenic_nand_drv.c47 struct ingenic_ecc *ecc; member
79 struct nand_ecc_ctrl *ecc = &chip->ecc; in qi_lb60_ooblayout_ecc() local
81 if (section || !ecc->total) in qi_lb60_ooblayout_ecc()
84 oobregion->length = ecc->total; in qi_lb60_ooblayout_ecc()
94 struct nand_ecc_ctrl *ecc = &chip->ecc; in qi_lb60_ooblayout_free() local
99 oobregion->length = mtd->oobsize - ecc->total - 12; in qi_lb60_ooblayout_free()
100 oobregion->offset = 12 + ecc->total; in qi_lb60_ooblayout_free()
106 .ecc = qi_lb60_ooblayout_ecc,
114 struct nand_ecc_ctrl *ecc = &chip->ecc; in jz4725b_ooblayout_ecc() local
116 if (section || !ecc->total) in jz4725b_ooblayout_ecc()
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Djz4740_ecc.c45 static void jz4740_ecc_reset(struct ingenic_ecc *ecc, bool calc_ecc) in jz4740_ecc_reset() argument
50 writel(0, ecc->base + JZ_REG_NAND_IRQ_STAT); in jz4740_ecc_reset()
53 reg = readl(ecc->base + JZ_REG_NAND_ECC_CTRL); in jz4740_ecc_reset()
62 writel(reg, ecc->base + JZ_REG_NAND_ECC_CTRL); in jz4740_ecc_reset()
65 static int jz4740_ecc_calculate(struct ingenic_ecc *ecc, in jz4740_ecc_calculate() argument
73 jz4740_ecc_reset(ecc, true); in jz4740_ecc_calculate()
76 status = readl(ecc->base + JZ_REG_NAND_IRQ_STAT); in jz4740_ecc_calculate()
82 reg = readl(ecc->base + JZ_REG_NAND_ECC_CTRL); in jz4740_ecc_calculate()
84 writel(reg, ecc->base + JZ_REG_NAND_ECC_CTRL); in jz4740_ecc_calculate()
87 ecc_code[i] = readb(ecc->base + JZ_REG_NAND_PAR0 + i); in jz4740_ecc_calculate()
[all …]
Dingenic_ecc.h29 int ingenic_ecc_calculate(struct ingenic_ecc *ecc,
32 int ingenic_ecc_correct(struct ingenic_ecc *ecc,
36 void ingenic_ecc_release(struct ingenic_ecc *ecc);
39 int ingenic_ecc_calculate(struct ingenic_ecc *ecc, in ingenic_ecc_calculate() argument
46 int ingenic_ecc_correct(struct ingenic_ecc *ecc, in ingenic_ecc_correct() argument
53 void ingenic_ecc_release(struct ingenic_ecc *ecc) in ingenic_ecc_release() argument
64 void (*disable)(struct ingenic_ecc *ecc);
65 int (*calculate)(struct ingenic_ecc *ecc,
68 int (*correct)(struct ingenic_ecc *ecc,
/Linux-v5.4/drivers/dma/ti/
Dedma.c228 struct edma_cc *ecc; member
302 static inline unsigned int edma_read(struct edma_cc *ecc, int offset) in edma_read() argument
304 return (unsigned int)__raw_readl(ecc->base + offset); in edma_read()
307 static inline void edma_write(struct edma_cc *ecc, int offset, int val) in edma_write() argument
309 __raw_writel(val, ecc->base + offset); in edma_write()
312 static inline void edma_modify(struct edma_cc *ecc, int offset, unsigned and, in edma_modify() argument
315 unsigned val = edma_read(ecc, offset); in edma_modify()
319 edma_write(ecc, offset, val); in edma_modify()
322 static inline void edma_and(struct edma_cc *ecc, int offset, unsigned and) in edma_and() argument
324 unsigned val = edma_read(ecc, offset); in edma_and()
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/Linux-v5.4/Documentation/devicetree/bindings/edac/
Dsocfpga-eccmgr.txt8 - compatible : Should be "altr,socfpga-ecc-manager"
17 - compatible : Should be "altr,socfpga-l2-ecc"
24 - compatible : Should be "altr,socfpga-ocram-ecc"
33 compatible = "altr,socfpga-ecc-manager";
38 l2-ecc@ffd08140 {
39 compatible = "altr,socfpga-l2-ecc";
44 ocram-ecc@ffd08144 {
45 compatible = "altr,socfpga-ocram-ecc";
58 - compatible : Should be "altr,socfpga-a10-ecc-manager"
73 - compatible : Should be "altr,socfpga-a10-l2-ecc"
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/Linux-v5.4/drivers/mtd/nand/raw/atmel/
Dpmecc.c226 if (req->ecc.sectorsize == 512) { in atmel_pmecc_create_gf_tables()
260 if (req->ecc.sectorsize == 512) in atmel_pmecc_get_gf_tables()
282 if (req->pagesize <= 0 || req->oobsize <= 0 || req->ecc.bytes <= 0) in atmel_pmecc_prepare_user_req()
285 if (req->ecc.ooboffset >= 0 && in atmel_pmecc_prepare_user_req()
286 req->ecc.ooboffset + req->ecc.bytes > req->oobsize) in atmel_pmecc_prepare_user_req()
289 if (req->ecc.sectorsize == ATMEL_PMECC_SECTOR_SIZE_AUTO) { in atmel_pmecc_prepare_user_req()
290 if (req->ecc.strength != ATMEL_PMECC_MAXIMIZE_ECC_STRENGTH) in atmel_pmecc_prepare_user_req()
294 req->ecc.sectorsize = 1024; in atmel_pmecc_prepare_user_req()
296 req->ecc.sectorsize = 512; in atmel_pmecc_prepare_user_req()
299 if (req->ecc.sectorsize != 512 && req->ecc.sectorsize != 1024) in atmel_pmecc_prepare_user_req()
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/Linux-v5.4/Documentation/devicetree/bindings/mtd/
Dmtk-nand.txt23 - ecc-engine: Required ECC Engine node.
36 ecc-engine = <&bch>;
49 - nand-ecc-mode: the NAND ecc mode (check driver for supported modes)
50 - nand-ecc-step-size: Number of data bytes covered by a single ECC step.
55 - nand-ecc-strength: Number of bits to correct per ECC step.
65 E : nand-ecc-strength.
71 Q : nand-ecc-step-size.
75 this number depends on max ecc step size
77 If max ecc step size supported is 1024,
79 ecc step size is 512, then it should be
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Dhisi504-nand.txt11 - nand-ecc-mode: Support none and hw ecc mode.
17 - nand-ecc-strength: Number of bits to correct per ECC step.
18 - nand-ecc-step-size: Number of data bytes covered by a single ECC step.
22 - nand-ecc-strength = <16>, nand-ecc-step-size = <1024>
34 nand-ecc-mode = "hw";
35 nand-ecc-strength = <16>;
36 nand-ecc-step-size = <1024>;
Dstm32-fmc2-nand.txt19 - dma-names: Must be "tx", "rx" and "ecc"
28 - nand-ecc-strength: see nand-controller.yaml
29 - nand-ecc-step-size: see nand-controller.yaml
32 - nand-ecc-strength = <1>, nand-ecc-step-size = <512> (Hamming)
33 - nand-ecc-strength = <4>, nand-ecc-step-size = <512> (BCH4)
34 - nand-ecc-strength = <8>, nand-ecc-step-size = <512> (BCH8) (default)
/Linux-v5.4/fs/ocfs2/
Dblockcheck.c355 u32 ecc; in ocfs2_block_check_compute() local
360 ecc = ocfs2_hamming_encode_block(data, blocksize); in ocfs2_block_check_compute()
366 BUG_ON(ecc > USHRT_MAX); in ocfs2_block_check_compute()
369 bc->bc_ecc = cpu_to_le16((u16)ecc); in ocfs2_block_check_compute()
387 u32 crc, ecc; in ocfs2_block_check_validate() local
407 ecc = ocfs2_hamming_encode_block(data, blocksize); in ocfs2_block_check_validate()
408 ocfs2_hamming_fix_block(data, blocksize, ecc ^ bc_ecc); in ocfs2_block_check_validate()
447 u32 crc, ecc; in ocfs2_block_check_compute_bhs() local
456 for (i = 0, crc = ~0, ecc = 0; i < nr; i++) { in ocfs2_block_check_compute_bhs()
463 ecc = (u16)ocfs2_hamming_encode(ecc, bhs[i]->b_data, in ocfs2_block_check_compute_bhs()
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