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/linux/drivers/mtd/nand/
H A Decc-sw-bch.c1 // 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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/linux/Documentation/devicetree/bindings/mtd/
H A Dhisi504-nand.txt1 Hisilicon Hip04 Soc NAND controller DT binding
5 - compatible: Should be "hisilicon,504-nfc".
6 - reg: The first contains base physical address and size of
7 NAND controller's registers. The second contains base
8 physical address and size of NAND controller's buffer.
9 - interrupts: Interrupt number for nfc.
10 - nand-bus-width: See nand-controller.yaml.
11 - nand-ecc-mode: Support none and hw ecc mode.
12 - #address-cells: Partition address, should be set 1.
13 - #size-cells: Partition size, should be set 1.
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H A Draw-nand-chip.yaml1 # 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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H A Drockchip,nand-controller.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mtd/rockchip,nand-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Rockchip SoCs NAND FLASH Controller (NFC)
10 - $ref: nand-controller.yaml#
13 - Heiko Stuebner <heiko@sntech.de>
18 - const: rockchip,px30-nfc
19 - const: rockchip,rk2928-nfc
20 - const: rockchip,rv1108-nfc
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H A Dnvidia-tegra20-nand.txt1 NVIDIA Tegra NAND Flash controller
4 - compatible: Must be one of:
5 - "nvidia,tegra20-nand"
6 - reg: MMIO address range
7 - interrupts: interrupt output of the NFC controller
8 - clocks: Must contain an entry for each entry in clock-names.
9 See ../clocks/clock-bindings.txt for details.
10 - clock-names: Must include the following entries:
11 - nand
12 - resets: Must contain an entry for each entry in reset-names.
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H A Dmediatek,mtk-nfc.yaml1 # 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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H A Ddenali,nand.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/mtd/denali,nand.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Denali NAND controller
10 - Masahiro Yamada <yamada.masahiro@socionext.com>
15 - altr,socfpga-denali-nand
16 - socionext,uniphier-denali-nand-v5a
17 - socionext,uniphier-denali-nand-v5b
19 reg-names:
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H A Damlogic,meson-nand.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mtd/amlogic,meson-nand.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Amlogic NAND Flash Controller (NFC) for GXBB/GXL/AXG family SoCs
10 - $ref: nand-controller.yaml
13 - liang.yang@amlogic.com
18 - amlogic,meson-gxl-nfc
19 - amlogic,meson-axg-nfc
24 reg-names:
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H A Dbrcm,brcmnand.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom STB NAND Controller
10 - Brian Norris <computersforpeace@gmail.com>
11 - Kamal Dasu <kdasu.kdev@gmail.com>
12 - William Zhang <william.zhang@broadcom.com>
15 The Broadcom Set-Top Box NAND controller supports low-level access to raw NAND
16 flash chips. It has a memory-mapped register interface for both control
27 -- Additional SoC-specific NAND controller properties --
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H A Dmarvell,nand-controller.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mtd/marvell,nand-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Marvell NAND Flash Controller (NFC)
10 - Miquel Raynal <miquel.raynal@bootlin.com>
15 - items:
16 - const: marvell,armada-8k-nand-controller
17 - const: marvell,armada370-nand-controller
18 - enum:
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H A Dnand-chip.yaml1 # 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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/linux/drivers/mtd/nand/raw/
H A Dtegra_nand.c1 // SPDX-License-Identifier: GPL-2.0
4 * Copyright (C) 2014-2015 Lucas Stach <dev@lynxeye.de>
10 #include <linux/dma-mapping.h>
34 #define COMMAND_TRANS_SIZE(size) ((((size) - 1) & 0xf) << 20)
40 #define COMMAND_CLE_SIZE(size) ((((size) - 1) & 0x3) << 4)
41 #define COMMAND_ALE_SIZE(size) ((((size) - 1) & 0xf) << 0)
156 #define OFFSET(val, off) ((val) < (off) ? 0 : (val) - (off))
185 struct mtd_oob_region ecc; member
207 int bytes_per_step = DIV_ROUND_UP(BITS_PER_STEP_RS * chip->ecc.strength, in tegra_nand_ooblayout_rs_ecc()
211 return -ERANGE; in tegra_nand_ooblayout_rs_ecc()
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H A Dmtk_nand.c1 // SPDX-License-Identifier: GPL-2.0 OR MIT
3 * MTK NAND Flash controller driver.
6 * Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
10 #include <linux/dma-mapping.h>
19 #include <linux/mtd/nand-ecc-mtk.h>
21 /* NAND controller register definition */
89 #define MTK_NAME "mtk-nand"
126 struct nand_chip nand; member
146 struct mtk_ecc *ecc; member
178 static inline struct mtk_nfc_nand_chip *to_mtk_nand(struct nand_chip *nand) in to_mtk_nand() argument
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H A Dstm32_fmc2_nand.c1 // SPDX-License-Identifier: GPL-2.0
10 #include <linux/dma-mapping.h>
28 /* ECC step size */
37 /* Max requests done for a 8k nand page size */
43 /* Max ECC buffer length */
256 struct stm32_fmc2_nand nand; member
295 struct stm32_fmc2_nfc *nfc = to_stm32_nfc(chip->controller); in stm32_fmc2_nfc_timings_init()
296 struct stm32_fmc2_nand *nand = to_fmc2_nand(chip); in stm32_fmc2_nfc_timings_init() local
297 struct stm32_fmc2_timings *timings = &nand->timings; in stm32_fmc2_nfc_timings_init()
301 regmap_update_bits(nfc->regmap, FMC2_PCR, in stm32_fmc2_nfc_timings_init()
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H A Dmeson_nand.c1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Amlogic Meson Nand Flash Controller Driver
10 #include <linux/dma-mapping.h>
13 #include <linux/clk-provider.h>
84 #define ECC_CHECK_RETURN_FF (-1)
101 /* nand flash controller delay 3 ns */
124 struct nand_chip nand; member
143 u32 strength; member
209 #define MESON_ECC_DATA(b, s, sz) { .bch = (b), .strength = (s), .size = (sz) }
221 static int meson_nand_calc_ecc_bytes(int step_size, int strength) in meson_nand_calc_ecc_bytes() argument
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H A Dnuvoton-ma35d1-nand-controller.c1 // SPDX-License-Identifier: GPL-2.0
6 #include <linux/dma-mapping.h>
73 /* Define for the BCH hardware ECC engine */
119 return -ERANGE; in ma35_ooblayout_ecc()
121 oob_region->length = chip->ecc.total; in ma35_ooblayout_ecc()
122 oob_region->offset = mtd->oobsize - oob_region->length; in ma35_ooblayout_ecc()
133 return -ERANGE; in ma35_ooblayout_free()
135 oob_region->length = mtd->oobsize - chip->ecc.total - 2; in ma35_ooblayout_free()
136 oob_region->offset = 2; in ma35_ooblayout_free()
143 .ecc = ma35_ooblayout_ecc,
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H A Darasan-nand-controller.c1 // SPDX-License-Identifier: GPL-2.0
3 * Arasan NAND Flash Controller Driver
5 * Copyright (C) 2014 - 2020 Xilinx, Inc.
17 #include <linux/dma-mapping.h>
114 #define ANFC_MAX_PKT_SIZE (SZ_2K - 1)
124 * struct anfc_op - Defines how to execute an operation
150 * struct anand - Defines the NAND chip related information
151 * @node: Used to store NAND chips into a list
152 * @chip: NAND chip information structure
153 * @rb: Ready-busy line
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H A Dmarvell_nand.c1 // SPDX-License-Identifier: GPL-2.0
3 * Marvell NAND flash controller driver
6 * Author: Miquel RAYNAL <miquel.raynal@free-electrons.com>
9 * This NAND controller driver handles two versions of the hardware,
13 * The main visible difference is that NFCv1 only has Hamming ECC
14 * capabilities, while NFCv2 also embeds a BCH ECC engine. Also, DMA
17 * The ECC layouts are depicted in details in Marvell AN-379, but here
21 * or 4) and each chunk will have its own ECC "digest" of 6B at the
28 * +-------------------------------------------------------------+
29 * | Data 1 | ... | Data N | ECC 1 | ... | ECCN | Free OOB bytes |
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H A Dnand_micron.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Author: Boris Brezillon <boris.brezillon@free-electrons.com>
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
24 * ----- ----- ----- -----------
27 * 0 1 0 4 - 6 errors corrected, recommend rewrite
29 * 1 0 0 1 - 3 errors corrected
31 * 1 1 0 7 - 8 errors corrected, recommend rewrite
66 struct micron_on_die_ecc ecc; member
77 * Configure chip properties from Micron vendor-specific ONFI table
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/linux/drivers/mtd/nand/raw/ingenic/
H A Dingenic_nand_drv.c1 // SPDX-License-Identifier: GPL-2.0
3 * Ingenic JZ47xx NAND driver
23 #include <linux/jz4780-nemc.h>
27 #define DRV_NAME "ingenic-nand"
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()
78 return -ERANGE; in qi_lb60_ooblayout_ecc()
80 oobregion->length = ecc->total; in qi_lb60_ooblayout_ecc()
81 oobregion->offset = 12; in qi_lb60_ooblayout_ecc()
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/linux/arch/arm/boot/dts/broadcom/
H A Dbcm5301x-nand-cs0-bch8.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
3 * Broadcom BCM470X / BCM5301X Nand chip defaults.
5 * This should be included if the NAND controller is on chip select 0
6 * and uses 8 bit ECC.
8 * Copyright (C) 2015 Hauke Mehrtens <hauke@hauke-m.de>
11 #include "bcm5301x-nand-cs0.dtsi"
14 nand-ecc-algo = "bch";
15 nand-ecc-strength = <8>;
16 nand-ecc-step-size = <512>;
/linux/drivers/mtd/nand/raw/atmel/
H A Dnand-controller.c1 // SPDX-License-Identifier: GPL-2.0
6 * Author: Boris Brezillon <boris.brezillon@free-electrons.com>
13 * Derived from drivers/mtd/nand/autcpu12.c (removed in v3.8)
20 * Add Hardware ECC support for AT91SAM9260 / AT91SAM9263
23 * Derived from Das U-Boot source code
24 * (u-boot-1.1.5/board/atmel/at91sam9263ek/nand.c)
27 * Add Programmable Multibit ECC support for various AT91 SoC
30 * Add Nand Flash Controller support for SAMA5 SoC
38 * - atmel_nand_: all generic structures/functions
39 * - atmel_smc_nand_: all structures/functions specific to the SMC interface
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/linux/arch/arm64/boot/dts/qcom/
H A Dipq6018-cp01-c1.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
8 /dts-v1/;
10 #include "ipq6018-mp5496.dtsi"
13 model = "Qualcomm Technologies, Inc. IPQ6018/AP-CP01-C1";
14 compatible = "qcom,ipq6018-cp01", "qcom,ipq6018";
21 stdout-path = "serial0:115200n8";
26 pinctrl-0 = <&serial_3_pins>;
27 pinctrl-names = "default";
32 pinctrl-0 = <&i2c_1_pins>;
33 pinctrl-names = "default";
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H A Dipq9574-rdp-common.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
5 * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
6 * Copyright (c) 2023-2024, Qualcomm Innovation Center, Inc. All rights reserved.
9 /dts-v1/;
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/input/input.h>
13 #include <dt-bindings/leds/common.h>
22 stdout-path = "serial0:115200n8";
26 compatible = "regulator-fixed";
27 regulator-min-microvolt = <3300000>;
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/linux/drivers/spi/
H A Dspi-qpic-snand.c2 * SPDX-License-Identifier: GPL-2.0
15 #include <linux/dma-mapping.h>
22 #include <linux/mtd/nand-qpic-common.h>
31 /* QSPI NAND config reg bits */
69 * ECC state struct
70 * @corrected: ECC corrected
72 * @failed: ECC failed
88 int strength; member
105 struct qpic_ecc *ecc; member
131 snandc->regs->read_location0 = locreg_val; in qcom_spi_set_read_loc_first()
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