From: Paul Cercueil <paul@crapouillou.net> To: Miquel Raynal <miquel.raynal@bootlin.com>, David Woodhouse <dwmw2@infradead.org>, Brian Norris <computersforpeace@gmail.com>, Boris Brezillon <bbrezillon@kernel.org>, Marek Vasut <marek.vasut@gmail.com>, Richard Weinberger <richard@nod.at>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Harvey Hunt <harveyhuntnexus@gmail.com> Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Paul Cercueil <paul@crapouillou.net> Subject: [PATCH v4 9/9] mtd: rawnand: ingenic: Add ooblayout for the Qi Ben Nanonote Date: Sat, 9 Feb 2019 16:23:05 -0300 [thread overview] Message-ID: <20190209192305.4434-9-paul@crapouillou.net> (raw) In-Reply-To: <20190209192305.4434-1-paul@crapouillou.net> The Ben Nanonote from Qi Hardware expects a specific OOB layout on its NAND. Signed-off-by: Paul Cercueil <paul@crapouillou.net> --- Changes: v2: New patch v3: Use the qi,lb60 layout unconditionally if we detect that we're running on that board. v4: No change drivers/mtd/nand/raw/ingenic/ingenic_nand.c | 41 ++++++++++++++++++++++++++++- 1 file changed, 40 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_nand.c b/drivers/mtd/nand/raw/ingenic/ingenic_nand.c index 4837bbce7099..3c4ad6d79764 100644 --- a/drivers/mtd/nand/raw/ingenic/ingenic_nand.c +++ b/drivers/mtd/nand/raw/ingenic/ingenic_nand.c @@ -72,6 +72,41 @@ static inline struct ingenic_nfc *to_ingenic_nfc(struct nand_controller *ctrl) return container_of(ctrl, struct ingenic_nfc, controller); } +static int qi_lb60_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + struct nand_chip *chip = mtd_to_nand(mtd); + struct nand_ecc_ctrl *ecc = &chip->ecc; + + if (section || !ecc->total) + return -ERANGE; + + oobregion->length = ecc->total; + oobregion->offset = 12; + + return 0; +} + +static int qi_lb60_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + struct nand_chip *chip = mtd_to_nand(mtd); + struct nand_ecc_ctrl *ecc = &chip->ecc; + + if (section) + return -ERANGE; + + oobregion->length = mtd->oobsize - ecc->total - 12; + oobregion->offset = 12 + ecc->total; + + return 0; +} + +const struct mtd_ooblayout_ops qi_lb60_ooblayout_ops = { + .ecc = qi_lb60_ooblayout_ecc, + .free = qi_lb60_ooblayout_free, +}; + static int jz4725b_ooblayout_ecc(struct mtd_info *mtd, int section, struct mtd_oob_region *oobregion) { @@ -247,7 +282,11 @@ static int ingenic_nand_attach_chip(struct nand_chip *chip) return -EINVAL; } - mtd_set_ooblayout(mtd, nfc->soc_info->oob_layout); + /* For legacy reasons we use a different layout on the qi,lb60 board. */ + if (of_machine_is_compatible("qi,lb60")) + mtd_set_ooblayout(mtd, &qi_lb60_ooblayout_ops); + else + mtd_set_ooblayout(mtd, nfc->soc_info->oob_layout); return 0; } -- 2.11.0
WARNING: multiple messages have this Message-ID (diff)
From: Paul Cercueil <paul@crapouillou.net> To: Miquel Raynal <miquel.raynal@bootlin.com>, David Woodhouse <dwmw2@infradead.org>, Brian Norris <computersforpeace@gmail.com>, Boris Brezillon <bbrezillon@kernel.org>, Marek Vasut <marek.vasut@gmail.com>, Richard Weinberger <richard@nod.at>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Harvey Hunt <harveyhuntnexus@gmail.com> Cc: Paul Cercueil <paul@crapouillou.net>, devicetree@vger.kernel.org, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 9/9] mtd: rawnand: ingenic: Add ooblayout for the Qi Ben Nanonote Date: Sat, 9 Feb 2019 16:23:05 -0300 [thread overview] Message-ID: <20190209192305.4434-9-paul@crapouillou.net> (raw) In-Reply-To: <20190209192305.4434-1-paul@crapouillou.net> The Ben Nanonote from Qi Hardware expects a specific OOB layout on its NAND. Signed-off-by: Paul Cercueil <paul@crapouillou.net> --- Changes: v2: New patch v3: Use the qi,lb60 layout unconditionally if we detect that we're running on that board. v4: No change drivers/mtd/nand/raw/ingenic/ingenic_nand.c | 41 ++++++++++++++++++++++++++++- 1 file changed, 40 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_nand.c b/drivers/mtd/nand/raw/ingenic/ingenic_nand.c index 4837bbce7099..3c4ad6d79764 100644 --- a/drivers/mtd/nand/raw/ingenic/ingenic_nand.c +++ b/drivers/mtd/nand/raw/ingenic/ingenic_nand.c @@ -72,6 +72,41 @@ static inline struct ingenic_nfc *to_ingenic_nfc(struct nand_controller *ctrl) return container_of(ctrl, struct ingenic_nfc, controller); } +static int qi_lb60_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + struct nand_chip *chip = mtd_to_nand(mtd); + struct nand_ecc_ctrl *ecc = &chip->ecc; + + if (section || !ecc->total) + return -ERANGE; + + oobregion->length = ecc->total; + oobregion->offset = 12; + + return 0; +} + +static int qi_lb60_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + struct nand_chip *chip = mtd_to_nand(mtd); + struct nand_ecc_ctrl *ecc = &chip->ecc; + + if (section) + return -ERANGE; + + oobregion->length = mtd->oobsize - ecc->total - 12; + oobregion->offset = 12 + ecc->total; + + return 0; +} + +const struct mtd_ooblayout_ops qi_lb60_ooblayout_ops = { + .ecc = qi_lb60_ooblayout_ecc, + .free = qi_lb60_ooblayout_free, +}; + static int jz4725b_ooblayout_ecc(struct mtd_info *mtd, int section, struct mtd_oob_region *oobregion) { @@ -247,7 +282,11 @@ static int ingenic_nand_attach_chip(struct nand_chip *chip) return -EINVAL; } - mtd_set_ooblayout(mtd, nfc->soc_info->oob_layout); + /* For legacy reasons we use a different layout on the qi,lb60 board. */ + if (of_machine_is_compatible("qi,lb60")) + mtd_set_ooblayout(mtd, &qi_lb60_ooblayout_ops); + else + mtd_set_ooblayout(mtd, nfc->soc_info->oob_layout); return 0; } -- 2.11.0 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/
next prev parent reply other threads:[~2019-02-09 19:24 UTC|newest] Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-02-09 19:22 [PATCH v4 1/9] dt-bindings: mtd: ingenic: Add compatible strings for JZ4740 and JZ4725B Paul Cercueil 2019-02-09 19:22 ` Paul Cercueil 2019-02-09 19:22 ` [PATCH v4 2/9] dt-bindings: mtd: ingenic: Change 'BCH' to 'ECC' in documentation Paul Cercueil 2019-02-09 19:22 ` Paul Cercueil 2019-02-13 21:46 ` Rob Herring 2019-02-13 21:46 ` Rob Herring 2019-02-13 21:46 ` Rob Herring 2019-03-04 9:50 ` Miquel Raynal 2019-03-04 9:50 ` Miquel Raynal 2019-03-04 18:23 ` Paul Cercueil 2019-03-04 18:23 ` Paul Cercueil 2019-03-04 18:58 ` Miquel Raynal 2019-03-04 18:58 ` Miquel Raynal 2019-03-13 12:59 ` Paul Cercueil 2019-03-13 12:59 ` Paul Cercueil 2019-03-13 13:12 ` Miquel Raynal 2019-03-13 13:12 ` Miquel Raynal 2019-02-09 19:22 ` [PATCH v4 3/9] mtd: rawnand: Move drivers for Ingenic SoCs to subfolder Paul Cercueil 2019-02-09 19:22 ` Paul Cercueil 2019-02-09 19:23 ` [PATCH v4 4/9] mtd: rawnand: ingenic: Use SPDX license notifiers Paul Cercueil 2019-02-09 19:23 ` Paul Cercueil 2019-02-09 19:23 ` [PATCH v4 5/9] mtd: rawnand: ingenic: Rename jz4780_nand driver to ingenic_nand Paul Cercueil 2019-02-09 19:23 ` Paul Cercueil 2019-02-09 19:23 ` [PATCH v4 6/9] mtd: rawnand: ingenic: Separate top-level and SoC specific code Paul Cercueil 2019-02-09 19:23 ` Paul Cercueil 2019-03-04 10:20 ` Miquel Raynal 2019-03-04 10:20 ` Miquel Raynal 2019-03-04 18:26 ` Paul Cercueil 2019-03-04 18:26 ` Paul Cercueil 2019-03-04 19:04 ` Miquel Raynal 2019-03-04 19:04 ` Miquel Raynal 2019-02-09 19:23 ` [PATCH v4 7/9] mtd: rawnand: ingenic: Add support for the JZ4740 Paul Cercueil 2019-02-09 19:23 ` Paul Cercueil 2019-03-04 10:34 ` Miquel Raynal 2019-03-04 10:34 ` Miquel Raynal 2019-03-04 18:28 ` Paul Cercueil 2019-03-04 18:28 ` Paul Cercueil 2019-03-04 19:07 ` Miquel Raynal 2019-03-04 19:07 ` Miquel Raynal 2019-02-09 19:23 ` [PATCH v4 8/9] mtd: rawnand: ingenic: Add support for the JZ4725B Paul Cercueil 2019-02-09 19:23 ` Paul Cercueil 2019-03-04 10:35 ` Miquel Raynal 2019-03-04 10:35 ` Miquel Raynal 2019-03-04 18:30 ` Paul Cercueil 2019-03-04 18:30 ` Paul Cercueil 2019-03-04 19:09 ` Miquel Raynal 2019-03-04 19:09 ` Miquel Raynal 2019-03-13 12:46 ` Paul Cercueil 2019-03-13 12:46 ` Paul Cercueil 2019-02-09 19:23 ` Paul Cercueil [this message] 2019-02-09 19:23 ` [PATCH v4 9/9] mtd: rawnand: ingenic: Add ooblayout for the Qi Ben Nanonote Paul Cercueil 2019-02-13 21:45 ` [PATCH v4 1/9] dt-bindings: mtd: ingenic: Add compatible strings for JZ4740 and JZ4725B Rob Herring 2019-02-13 21:45 ` Rob Herring 2019-02-13 21:45 ` Rob Herring 2019-03-04 9:45 ` Miquel Raynal 2019-03-04 9:45 ` Miquel Raynal 2019-03-04 18:22 ` Paul Cercueil 2019-03-04 18:22 ` Paul Cercueil 2019-03-04 18:51 ` Miquel Raynal 2019-03-04 18:51 ` Miquel Raynal 2019-03-04 18:51 ` Miquel Raynal 2019-03-13 12:55 ` Paul Cercueil 2019-03-13 12:55 ` Paul Cercueil 2019-03-13 13:09 ` Boris Brezillon 2019-03-13 13:09 ` Boris Brezillon
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