| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/edac/ |
| D | socfpga-eccmgr.txt | 1 Altera SoCFPGA ECC Manager
2 This driver uses the EDAC framework to implement the SOCFPGA ECC Manager.
3 The ECC Manager counts and corrects single bit errors and counts/handles
6 Cyclone5 and Arria5 ECC Manager
8 - compatible : Should be "altr,socfpga-ecc-manager"
15 L2 Cache ECC
17 - compatible : Should be "altr,socfpga-l2-ecc"
18 - reg : Address and size for ECC error interrupt clear registers.
22 On Chip RAM ECC
24 - compatible : Should be "altr,socfpga-ocram-ecc"
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/edac/ |
| D | socfpga-eccmgr.txt | 1 Altera SoCFPGA ECC Manager
2 This driver uses the EDAC framework to implement the SOCFPGA ECC Manager.
3 The ECC Manager counts and corrects single bit errors and counts/handles
6 Cyclone5 and Arria5 ECC Manager
8 - compatible : Should be "altr,socfpga-ecc-manager"
15 L2 Cache ECC
17 - compatible : Should be "altr,socfpga-l2-ecc"
18 - reg : Address and size for ECC error interrupt clear registers.
22 On Chip RAM ECC
24 - compatible : Should be "altr,socfpga-ocram-ecc"
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| /kernel/linux/linux-5.10/drivers/mtd/nand/raw/ |
| D | mtk_ecc.c | 3 * MTK ECC controller driver.
68 /* ecc strength that each IP supports */
119 static inline void mtk_ecc_wait_idle(struct mtk_ecc *ecc, in mtk_ecc_wait_idle() argument
122 struct device *dev = ecc->dev; in mtk_ecc_wait_idle()
126 ret = readl_poll_timeout_atomic(ecc->regs + ECC_IDLE_REG(op), val, in mtk_ecc_wait_idle()
136 struct mtk_ecc *ecc = id; in mtk_ecc_irq() local
139 dec = readw(ecc->regs + ecc->caps->ecc_regs[ECC_DECIRQ_STA]) in mtk_ecc_irq()
142 dec = readw(ecc->regs + ecc->caps->ecc_regs[ECC_DECDONE]); in mtk_ecc_irq()
143 if (dec & ecc->sectors) { in mtk_ecc_irq()
148 readw(ecc->regs + ecc->caps->ecc_regs[ECC_DECIRQ_STA]); in mtk_ecc_irq()
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| D | omap2.c | 122 /* GPMC ecc engine settings for read */
129 /* GPMC ecc engine settings for write */
170 /* fields specific for BCHx_HW ECC scheme */
718 * gen_true_ecc - This function will generate true ECC value
719 * @ecc_buf: buffer to store ecc code
721 * This generated true ECC value can be used when correcting
739 * @ecc_data1: ecc code from nand spare area
740 * @ecc_data2: ecc code from hardware register obtained from hardware ecc
743 * This function compares two ECC's and indicates if there is an error.
819 * ECC values are equal in omap_compare_ecc()
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| D | nand_micron.c | 15 * corrected by on-die ECC and should be rewritten.
20 * On chips with 8-bit ECC and additional bit can be used to distinguish
66 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()
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| D | nand_bch.c | 3 * This file provides ECC correction for more than 1 bit per block of data,
23 * @eccmask: XOR ecc mask, allows erased pages to be decoded as valid
32 * nand_bch_calculate_ecc - [NAND Interface] Calculate ECC for data block
35 * @code: output buffer with ECC
40 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 bch_encode(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()
58 * @read_ecc: ECC from the chip
59 * @calc_ecc: the ECC calculated from raw data
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| /kernel/linux/linux-6.6/drivers/mtd/nand/ |
| D | ecc-mtk.c | 3 * MTK ECC controller driver.
18 #include <linux/mtd/nand-ecc-mtk.h>
71 /* ecc strength that each IP supports */
126 static inline void mtk_ecc_wait_idle(struct mtk_ecc *ecc, in mtk_ecc_wait_idle() argument
129 struct device *dev = ecc->dev; in mtk_ecc_wait_idle()
133 ret = readl_poll_timeout_atomic(ecc->regs + ECC_IDLE_REG(op), val, in mtk_ecc_wait_idle()
143 struct mtk_ecc *ecc = id; in mtk_ecc_irq() local
146 dec = readw(ecc->regs + ecc->caps->ecc_regs[ECC_DECIRQ_STA]) in mtk_ecc_irq()
149 dec = readw(ecc->regs + ecc->caps->ecc_regs[ECC_DECDONE]); in mtk_ecc_irq()
150 if (dec & ecc->sectors) { in mtk_ecc_irq()
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| D | ecc.c | 3 * Generic Error-Correcting Code (ECC) engine
10 * This file describes the abstraction of any NAND ECC engine. It has been
13 * There are three main situations where instantiating this ECC engine makes
15 * - external: The ECC engine is outside the NAND pipeline, typically this
16 * is a software ECC engine, or an hardware engine that is
18 * - pipelined: The ECC engine is inside the NAND pipeline, ie. on the
20 * controllers. In the pipeline case, the ECC bytes are
23 * - ondie: The ECC engine is inside the NAND pipeline, on the chip's side.
28 * - prepare: Prepare an I/O request. Enable/disable the ECC engine based on
30 * engine, this step may involve to derive the ECC bytes and place
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| D | ecc-sw-bch.c | 3 * This file provides ECC correction for more than 1 bit per block of data,
15 #include <linux/mtd/nand-ecc-sw-bch.h>
18 * nand_ecc_sw_bch_calculate - Calculate the ECC corresponding to a data block
21 * @code: Output buffer with ECC
26 struct nand_ecc_sw_bch_conf *engine_conf = nand->ecc.ctx.priv; in nand_ecc_sw_bch_calculate()
30 bch_encode(engine_conf->bch, buf, nand->ecc.ctx.conf.step_size, code); in nand_ecc_sw_bch_calculate()
44 * @read_ecc: ECC bytes from the chip
45 * @calc_ecc: ECC calculated from the raw data
52 struct nand_ecc_sw_bch_conf *engine_conf = nand->ecc.ctx.priv; in nand_ecc_sw_bch_correct()
53 unsigned int step_size = nand->ecc.ctx.conf.step_size; in nand_ecc_sw_bch_correct()
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| /kernel/linux/linux-5.10/drivers/mtd/nand/raw/ingenic/ |
| D | ingenic_ecc.c | 3 * JZ47xx ECC common code
18 * ingenic_ecc_calculate() - calculate ECC for a data buffer
19 * @ecc: ECC device.
20 * @params: ECC parameters.
22 * @ecc_code: output buffer with ECC.
24 * Return: 0 on success, -ETIMEDOUT if timed out while waiting for ECC
27 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()
36 * @ecc: ECC device.
37 * @params: ECC parameters.
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| D | ingenic_nand_drv.c | 44 struct ingenic_ecc *ecc; member
75 struct nand_ecc_ctrl *ecc = &chip->ecc; in qi_lb60_ooblayout_ecc() local
77 if (section || !ecc->total) in qi_lb60_ooblayout_ecc()
80 oobregion->length = ecc->total; in qi_lb60_ooblayout_ecc()
90 struct nand_ecc_ctrl *ecc = &chip->ecc; in qi_lb60_ooblayout_free() local
95 oobregion->length = mtd->oobsize - ecc->total - 12; in qi_lb60_ooblayout_free()
96 oobregion->offset = 12 + ecc->total; in qi_lb60_ooblayout_free()
102 .ecc = qi_lb60_ooblayout_ecc,
110 struct nand_ecc_ctrl *ecc = &chip->ecc; in jz4725b_ooblayout_ecc() local
112 if (section || !ecc->total) in jz4725b_ooblayout_ecc()
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| D | jz4740_ecc.c | 3 * JZ4740 ECC controller driver
45 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()
52 /* Initialize and enable ECC hardware */ in jz4740_ecc_reset()
53 reg = readl(ecc->base + JZ_REG_NAND_ECC_CTRL); in jz4740_ecc_reset()
57 if (calc_ecc) /* calculate ECC from data */ in jz4740_ecc_reset()
59 else /* correct data from ECC */ 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()
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| /kernel/linux/linux-6.6/drivers/mtd/nand/raw/ingenic/ |
| D | ingenic_ecc.c | 3 * JZ47xx ECC common code
19 * ingenic_ecc_calculate() - calculate ECC for a data buffer
20 * @ecc: ECC device.
21 * @params: ECC parameters.
23 * @ecc_code: output buffer with ECC.
25 * Return: 0 on success, -ETIMEDOUT if timed out while waiting for ECC
28 int ingenic_ecc_calculate(struct ingenic_ecc *ecc, in ingenic_ecc_calculate() argument
32 return ecc->ops->calculate(ecc, params, buf, ecc_code); in ingenic_ecc_calculate()
37 * @ecc: ECC device.
38 * @params: ECC parameters.
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| D | ingenic_nand_drv.c | 44 struct ingenic_ecc *ecc; member
75 struct nand_ecc_ctrl *ecc = &chip->ecc; in qi_lb60_ooblayout_ecc() local
77 if (section || !ecc->total) in qi_lb60_ooblayout_ecc()
80 oobregion->length = ecc->total; in qi_lb60_ooblayout_ecc()
90 struct nand_ecc_ctrl *ecc = &chip->ecc; in qi_lb60_ooblayout_free() local
95 oobregion->length = mtd->oobsize - ecc->total - 12; in qi_lb60_ooblayout_free()
96 oobregion->offset = 12 + ecc->total; in qi_lb60_ooblayout_free()
102 .ecc = qi_lb60_ooblayout_ecc,
110 struct nand_ecc_ctrl *ecc = &chip->ecc; in jz4725b_ooblayout_ecc() local
112 if (section || !ecc->total) in jz4725b_ooblayout_ecc()
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| D | jz4740_ecc.c | 3 * JZ4740 ECC controller driver
45 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()
52 /* Initialize and enable ECC hardware */ in jz4740_ecc_reset()
53 reg = readl(ecc->base + JZ_REG_NAND_ECC_CTRL); in jz4740_ecc_reset()
57 if (calc_ecc) /* calculate ECC from data */ in jz4740_ecc_reset()
59 else /* correct data from ECC */ 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()
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| /kernel/linux/linux-5.10/drivers/mtd/nand/ |
| D | ecc.c | 3 * Generic Error-Correcting Code (ECC) engine
10 * This file describes the abstraction of any NAND ECC engine. It has been
13 * There are three main situations where instantiating this ECC engine makes
15 * - external: The ECC engine is outside the NAND pipeline, typically this
16 * is a software ECC engine, or an hardware engine that is
18 * - pipelined: The ECC engine is inside the NAND pipeline, ie. on the
20 * controllers. In the pipeline case, the ECC bytes are
23 * - ondie: The ECC engine is inside the NAND pipeline, on the chip's side.
28 * - prepare: Prepare an I/O request. Enable/disable the ECC engine based on
30 * engine, this step may involve to derive the ECC bytes and place
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| /kernel/linux/linux-5.10/drivers/dma/ti/ |
| D | edma.c | 228 struct edma_cc *ecc; member
309 static inline unsigned int edma_read(struct edma_cc *ecc, int offset) in edma_read() argument
311 return (unsigned int)__raw_readl(ecc->base + offset); in edma_read()
314 static inline void edma_write(struct edma_cc *ecc, int offset, int val) in edma_write() argument
316 __raw_writel(val, ecc->base + offset); in edma_write()
319 static inline void edma_modify(struct edma_cc *ecc, int offset, unsigned and, in edma_modify() argument
322 unsigned val = edma_read(ecc, offset); in edma_modify()
326 edma_write(ecc, offset, val); in edma_modify()
329 static inline void edma_and(struct edma_cc *ecc, int offset, unsigned and) in edma_and() argument
331 unsigned val = edma_read(ecc, offset); in edma_and()
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| /kernel/linux/linux-6.6/drivers/dma/ti/ |
| D | edma.c | 218 struct edma_cc *ecc; member
299 static inline unsigned int edma_read(struct edma_cc *ecc, int offset) in edma_read() argument
301 return (unsigned int)__raw_readl(ecc->base + offset); in edma_read()
304 static inline void edma_write(struct edma_cc *ecc, int offset, int val) in edma_write() argument
306 __raw_writel(val, ecc->base + offset); in edma_write()
309 static inline void edma_modify(struct edma_cc *ecc, int offset, unsigned and, in edma_modify() argument
312 unsigned val = edma_read(ecc, offset); in edma_modify()
316 edma_write(ecc, offset, val); in edma_modify()
319 static inline void edma_or(struct edma_cc *ecc, int offset, unsigned or) in edma_or() argument
321 unsigned val = edma_read(ecc, offset); in edma_or()
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/mtd/ |
| D | nand-controller.yaml | 19 The ECC strength and ECC step size properties define the user
21 they request the ECC engine to correct {strength} bit errors per
49 nand-ecc-mode:
51 Desired ECC engine, either hardware (most of the time
54 and should be replaced by soft and nand-ecc-algo.
58 nand-ecc-engine:
62 A phandle on the hardware ECC engine if any. There are
64 1/ The ECC engine is part of the NAND controller, in this
66 2/ The ECC engine is part of the NAND part (on-die), in this
68 3/ The ECC engine is external, in this case the phandle should
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| D | gpmc-nand.txt | 10 For NAND specific properties such as ECC modes or bus width, please refer to
27 - ti,nand-ecc-opt: A string setting the ECC layout to use. One of:
28 "sw" 1-bit Hamming ecc code via software
31 "ham1" 1-bit Hamming ecc code
32 "bch4" 4-bit BCH ecc code
33 "bch8" 8-bit BCH ecc code
34 "bch16" 16-bit BCH ECC code
35 Refer below "How to select correct ECC scheme for your device ?"
47 locating ECC errors for BCHx algorithms. SoC devices which have
49 Using ELM for ECC error correction frees some CPU cycles.
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| D | mtk-nand.txt | 5 the nand controller interface driver and the ECC engine driver.
23 - 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,
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| /kernel/linux/linux-6.6/drivers/edac/ |
| D | mce_amd.c | 82 "Fill ECC error on data fills", /* xec = 0x4 */
87 "WCC Tag ECC error",
88 "WCC Data ECC error",
90 "VB Data ECC or parity error",
91 "L2 Tag ECC error", /* xec = 0x10 */
92 "Hard L2 Tag ECC error",
99 "DRAM ECC error detected on the NB",
107 "DRAM ECC error detected on the NB",
114 "L3 data cache ECC error", /* xec = 0x1c */
117 "ECC Error in the Probe Filter directory"
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| /kernel/linux/linux-6.6/drivers/mtd/nand/raw/ |
| D | nand_micron.c | 15 * corrected by on-die ECC and should be rewritten.
20 * On chips with 8-bit ECC and additional bit can be used to distinguish
66 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()
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| D | omap2.c | 18 #include <linux/mtd/nand-ecc-sw-bch.h>
122 /* GPMC ecc engine settings for read */
129 /* GPMC ecc engine settings for write */
170 /* fields specific for BCHx_HW ECC scheme */
623 * gen_true_ecc - This function will generate true ECC value
624 * @ecc_buf: buffer to store ecc code
626 * This generated true ECC value can be used when correcting
644 * @ecc_data1: ecc code from nand spare area
645 * @ecc_data2: ecc code from hardware register obtained from hardware ecc
648 * This function compares two ECC's and indicates if there is an error.
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/mtd/ |
| D | nand-chip.yaml | 25 nand-ecc-engine:
27 A phandle on the hardware ECC engine if any. There are
29 1/ The ECC engine is part of the NAND controller, in this
31 2/ The ECC engine is part of the NAND part (on-die), in this
33 3/ The ECC engine is external, in this case the phandle should
34 reference the specific ECC engine node.
37 nand-use-soft-ecc-engine:
38 description: Use a software ECC engine.
41 nand-no-ecc-engine:
42 description: Do not use any ECC correction.
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