| /kernel/linux/linux-6.6/drivers/mtd/nand/ |
| D | ecc.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Generic Error-Correcting Code (ECC) engine
10 * This file describes the abstraction of any NAND ECC engine. It has been
11 * designed to fit most cases, including parallel NANDs and SPI-NANDs.
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
17 * outside the NAND controller pipeline.
18 * - pipelined: The ECC engine is inside the NAND pipeline, ie. on the
19 * controller's side. This is the case of most of the raw NAND
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| D | core.c | 1 // SPDX-License-Identifier: GPL-2.0
6 * Boris Brezillon <boris.brezillon@free-electrons.com>
10 #define pr_fmt(fmt) "nand: " fmt
13 #include <linux/mtd/nand.h>
16 * nanddev_isbad() - Check if a block is bad
17 * @nand: NAND device
22 bool nanddev_isbad(struct nand_device *nand, const struct nand_pos *pos) in nanddev_isbad() argument
27 if (nanddev_bbt_is_initialized(nand)) { in nanddev_isbad()
31 entry = nanddev_bbt_pos_to_entry(nand, pos); in nanddev_isbad()
32 status = nanddev_bbt_get_block_status(nand, entry); in nanddev_isbad()
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| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 menu "NAND" menu
8 source "drivers/mtd/nand/onenand/Kconfig"
9 source "drivers/mtd/nand/raw/Kconfig"
10 source "drivers/mtd/nand/spi/Kconfig"
12 menu "ECC engine support"
19 bool "Software Hamming ECC engine"
26 widely used with old parts, newer NAND chips usually require
31 bool "NAND ECC Smart Media byte order"
35 Software ECC according to the Smart Media Specification.
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| D | ecc-mxic.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Support for Macronix external hardware ECC engine for NAND devices, also
4 * called DPE for Data Processing Engine.
10 #include <linux/dma-mapping.h>
18 #include <linux/mtd/nand.h>
19 #include <linux/mtd/nand-ecc-mxic.h>
53 /* ECC Chunk Size */
63 /* ECC Chunk Count */
98 /* ECC machinery */
124 static struct mxic_ecc_engine *nand_to_mxic(struct nand_device *nand) in nand_to_mxic() argument
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| D | ecc-sw-bch.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * This file provides ECC correction for more than 1 bit per block of data,
14 #include <linux/mtd/nand.h>
15 #include <linux/mtd/nand-ecc-sw-bch.h>
18 * nand_ecc_sw_bch_calculate - Calculate the ECC corresponding to a data block
19 * @nand: NAND device
21 * @code: Output buffer with ECC
23 int nand_ecc_sw_bch_calculate(struct nand_device *nand, in nand_ecc_sw_bch_calculate() argument
26 struct nand_ecc_sw_bch_conf *engine_conf = nand->ecc.ctx.priv; in nand_ecc_sw_bch_calculate()
29 memset(code, 0, engine_conf->code_size); in nand_ecc_sw_bch_calculate()
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| /kernel/linux/linux-5.10/drivers/mtd/nand/ |
| D | ecc.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Generic Error-Correcting Code (ECC) engine
10 * This file describes the abstraction of any NAND ECC engine. It has been
11 * designed to fit most cases, including parallel NANDs and SPI-NANDs.
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
17 * outside the NAND controller pipeline.
18 * - pipelined: The ECC engine is inside the NAND pipeline, ie. on the
19 * controller's side. This is the case of most of the raw NAND
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/mtd/ |
| D | nand-controller.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mtd/nand-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NAND Chip and NAND Controller Generic Binding
10 - Miquel Raynal <miquel.raynal@bootlin.com>
11 - Richard Weinberger <richard@nod.at>
14 The NAND controller should be represented with its own DT node, and
15 all NAND chips attached to this controller should be defined as
16 children nodes of the NAND controller. This representation should be
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| D | mtk-nand.txt | 1 MTK SoCs NAND FLASH controller (NFC) DT binding
3 This file documents the device tree bindings for MTK SoCs NAND controllers.
5 the nand controller interface driver and the ECC engine driver.
10 1) NFC NAND Controller Interface (NFI):
13 The first part of NFC is NAND Controller Interface (NFI) HW.
15 - compatible: Should be one of
16 "mediatek,mt2701-nfc",
17 "mediatek,mt2712-nfc",
18 "mediatek,mt7622-nfc".
19 - reg: Base physical address and size of NFI.
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| D | atmel-nand.txt | 1 Atmel NAND flash controller bindings
3 The NAND flash controller node should be defined under the EBI bus (see
4 Documentation/devicetree/bindings/memory-controllers/atmel,ebi.txt).
5 One or several NAND devices can be defined under this NAND controller.
6 The NAND controller might be connected to an ECC engine.
8 * NAND controller bindings:
11 - compatible: should be one of the following
12 "atmel,at91rm9200-nand-controller"
13 "atmel,at91sam9260-nand-controller"
14 "atmel,at91sam9261-nand-controller"
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| D | gpmc-nand.txt | 3 GPMC connected NAND (found on OMAP boards) are represented as child nodes of
4 the GPMC controller with a name of "nand".
7 explained in a separate documents - please refer to
8 Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt
10 For NAND specific properties such as ECC modes or bus width, please refer to
11 Documentation/devicetree/bindings/mtd/nand-controller.yaml
16 - compatible: "ti,omap2-nand"
17 - reg: range id (CS number), base offset and length of the
18 NAND I/O space
19 - interrupts: Two interrupt specifiers, one for fifoevent, one for termcount.
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| D | ingenic,nand.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mtd/ingenic,nand.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Ingenic SoCs NAND controller devicetree bindings
10 - Paul Cercueil <paul@crapouillou.net>
13 - $ref: nand-controller.yaml#
18 - ingenic,jz4740-nand
19 - ingenic,jz4725b-nand
20 - ingenic,jz4780-nand
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/mtd/ |
| D | nand-chip.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mtd/nand-chip.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NAND Chip Common Properties
10 - Miquel Raynal <miquel.raynal@bootlin.com>
13 - $ref: mtd.yaml#
16 This file covers the generic description of a NAND chip. It implies that the
17 bus interface should not be taken into account: both raw NAND devices and
18 SPI-NAND devices are concerned by this description.
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| D | mxicy,nand-ecc-engine.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mtd/mxicy,nand-ecc-engine.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Macronix NAND ECC engine
10 - Miquel Raynal <miquel.raynal@bootlin.com>
14 const: mxicy,nand-ecc-engine-rev3
26 - compatible
27 - reg
32 - |
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| D | mediatek,mtk-nfc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mtd/mediatek,mtk-nfc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: MediaTek(MTK) SoCs raw NAND FLASH controller (NFC)
10 - Xiangsheng Hou <xiangsheng.hou@mediatek.com>
15 - mediatek,mt2701-nfc
16 - mediatek,mt2712-nfc
17 - mediatek,mt7622-nfc
21 - description: Base physical address and size of NFI.
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| D | atmel-nand.txt | 1 Atmel NAND flash controller bindings
3 The NAND flash controller node should be defined under the EBI bus (see
4 Documentation/devicetree/bindings/memory-controllers/atmel,ebi.txt).
5 One or several NAND devices can be defined under this NAND controller.
6 The NAND controller might be connected to an ECC engine.
8 * NAND controller bindings:
11 - compatible: should be one of the following
12 "atmel,at91rm9200-nand-controller"
13 "atmel,at91sam9260-nand-controller"
14 "atmel,at91sam9261-nand-controller"
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| D | raw-nand-chip.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mtd/raw-nand-chip.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Raw NAND Chip Common Properties
10 - Miquel Raynal <miquel.raynal@bootlin.com>
13 - $ref: nand-chip.yaml#
16 The ECC strength and ECC step size properties define the user
18 they request the ECC engine to correct {strength} bit errors per
19 {size} bytes for a particular raw NAND chip.
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| D | mediatek,nand-ecc-engine.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mtd/mediatek,nand-ecc-engine.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: MediaTek(MTK) SoCs NAND ECC engine
10 - Xiangsheng Hou <xiangsheng.hou@mediatek.com>
13 MTK NAND ECC engine can cowork with MTK raw NAND and SPI NAND controller.
18 - mediatek,mt2701-ecc
19 - mediatek,mt2712-ecc
20 - mediatek,mt7622-ecc
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| D | ingenic,nand.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mtd/ingenic,nand.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Ingenic SoCs NAND controller
10 - Paul Cercueil <paul@crapouillou.net>
13 - $ref: nand-controller.yaml#
14 - $ref: /schemas/memory-controllers/ingenic,nemc-peripherals.yaml#
19 - ingenic,jz4740-nand
20 - ingenic,jz4725b-nand
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| /kernel/linux/linux-6.6/include/linux/mtd/ |
| D | nand.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright 2017 - Free Electrons
6 * Boris Brezillon <boris.brezillon@free-electrons.com>
18 * struct nand_memory_organization - Memory organization structure
19 * @bits_per_cell: number of bits per NAND cell
27 * @ntargets: total number of targets exposed by the NAND device
55 * struct nand_row_converter - Information needed to convert an absolute offset
67 * struct nand_pos - NAND position object
68 * @target: the NAND target/die
74 * These information are usually used by specific sub-layers to select the
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| D | nand-ecc-sw-bch.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * This file is the header for the NAND BCH ECC implementation.
11 #include <linux/mtd/nand.h>
15 * struct nand_ecc_sw_bch_conf - private software BCH ECC engine structure
17 * engine needs
19 * @calc_buf: Buffer to use when calculating ECC bytes
20 * @code_buf: Buffer to use when reading (raw) ECC bytes from the chip
23 * @eccmask: XOR ecc mask, allows erased pages to be decoded as valid
37 int nand_ecc_sw_bch_calculate(struct nand_device *nand,
39 int nand_ecc_sw_bch_correct(struct nand_device *nand, unsigned char *buf,
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| D | nand-ecc-sw-hamming.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com>
7 * This file is the header for the NAND Hamming ECC implementation.
13 #include <linux/mtd/nand.h>
16 * struct nand_ecc_sw_hamming_conf - private software Hamming ECC engine structure
18 * engine needs
20 * @calc_buf: Buffer to use when calculating ECC bytes
21 * @code_buf: Buffer to use when reading (raw) ECC bytes from the chip
34 int nand_ecc_sw_hamming_init_ctx(struct nand_device *nand);
35 void nand_ecc_sw_hamming_cleanup_ctx(struct nand_device *nand);
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| /kernel/linux/linux-5.10/include/linux/mtd/ |
| D | nand.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright 2017 - Free Electrons
6 * Boris Brezillon <boris.brezillon@free-electrons.com>
18 * struct nand_memory_organization - Memory organization structure
19 * @bits_per_cell: number of bits per NAND cell
27 * @ntargets: total number of targets exposed by the NAND device
55 * struct nand_row_converter - Information needed to convert an absolute offset
67 * struct nand_pos - NAND position object
68 * @target: the NAND target/die
74 * These information are usually used by specific sub-layers to select the
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/spi/ |
| D | mediatek,spi-mtk-snfi.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/mediatek,spi-mtk-snfi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: SPI-NAND flash controller for MediaTek ARM SoCs
10 - Chuanhong Guo <gch981213@gmail.com>
13 The Mediatek SPI-NAND flash controller is an extended version of
14 the Mediatek NAND flash controller. It can perform standard SPI
15 instructions with one continuous write and one read for up-to 0xa0
16 bytes. It also supports typical SPI-NAND page cache operations
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| /kernel/linux/linux-5.10/drivers/mtd/nand/raw/ |
| D | omap2.c | 1 // SPDX-License-Identifier: GPL-2.0-only
10 #include <linux/dma-mapping.h>
20 #include <linux/omap-dma.h>
29 #include <linux/omap-gpmc.h>
30 #include <linux/platform_data/mtd-nand-omap2.h>
32 #define DRIVER_NAME "omap2-nand"
122 /* GPMC ecc engine settings for read */
129 /* GPMC ecc engine settings for write */
145 struct nand_chip nand; member
170 /* fields specific for BCHx_HW ECC scheme */
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| /kernel/linux/linux-6.6/drivers/mtd/nand/raw/ |
| D | omap2.c | 1 // SPDX-License-Identifier: GPL-2.0-only
10 #include <linux/dma-mapping.h>
18 #include <linux/mtd/nand-ecc-sw-bch.h>
21 #include <linux/omap-dma.h>
29 #include <linux/omap-gpmc.h>
30 #include <linux/platform_data/mtd-nand-omap2.h>
32 #define DRIVER_NAME "omap2-nand"
122 /* GPMC ecc engine settings for read */
129 /* GPMC ecc engine settings for write */
145 struct nand_chip nand; member
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