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Searched +full:nand +full:- +full:ecc +full:- +full:maximize (Results 1 – 9 of 9) sorted by relevance

/openbmc/linux/Documentation/devicetree/bindings/mtd/
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 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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/openbmc/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 Dnand_base.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * This is the generic MTD driver for NAND flash devices. It should be
5 * capable of working with almost all NAND chips currently available.
8 * http://www.linux-mtd.infradead.org/doc/nand.html
11 * 2002-2006 Thomas Gleixner (tglx@linutronix.de)
21 * Check, if mtd->ecctype should be set to MTD_ECC_HW
22 * if we have HW ECC support.
37 #include <linux/mtd/nand.h>
38 #include <linux/mtd/nand-ecc-sw-hamming.h>
39 #include <linux/mtd/nand-ecc-sw-bch.h>
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/openbmc/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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H A Decc.c1 // 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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H A Decc-mxic.c1 // SPDX-License-Identifier: GPL-2.0
3 * Support for Macronix external hardware ECC engine for NAND devices, also
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
126 struct nand_ecc_engine *eng = nand->ecc.engine; in nand_to_mxic()
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/openbmc/u-boot/drivers/mtd/nand/raw/
H A Dnand_base.c3 * This is the generic MTD driver for NAND flash devices. It should be
4 * capable of working with almost all NAND chips currently available.
7 * http://www.linux-mtd.infradead.org/doc/nand.html
10 * 2002-2006 Thomas Gleixner (tglx@linutronix.de)
20 * Check, if mtd->ecctype should be set to MTD_ECC_HW
21 * if we have HW ECC support.
113 if (ofs & ((1ULL << chip->phys_erase_shift) - 1)) { in check_offs_len()
115 ret = -EINVAL; in check_offs_len()
119 if (len & ((1ULL << chip->phys_erase_shift) - 1)) { in check_offs_len()
121 ret = -EINVAL; in check_offs_len()
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/openbmc/linux/arch/arm/boot/dts/nvidia/
H A Dtegra20-colibri.dtsi1 // SPDX-License-Identifier: GPL-2.0
22 nvidia,ddc-i2c-bus = <&hdmi_ddc>;
23 nvidia,hpd-gpio =
25 pll-supply = <&reg_1v8_avdd_hdmi_pll>;
26 vdd-supply = <&reg_3v3_avdd_hdmi>;
31 lan-reset-n-hog {
32 gpio-hog;
34 output-high;
35 line-name = "LAN_RESET#";
38 /* Tri-stating GMI_WR_N on SODIMM pin 99 nPWE */
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