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([2.198.242.86]) by smtp.gmail.com with ESMTPSA id u18-20020a05600c19d200b003973c54bd69sm5712357wmq.1.2022.07.14.07.36.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Jul 2022 07:36:22 -0700 (PDT) From: Michael Trimarchi To: linux-amarula@amarulasolutions.com, Dario Binacchi , Tommaso Merciai , Boris Brezillon , Richard Weinberger , Patrice Chotard , Wolfgang Denk , u-boot@lists.denx.de (open list) Cc: Boris Brezillon , Simon Glass , u-boot@lists.denx.de (open list) Subject: [PATCH 10/11] mtd: nand: Move AMD/Spansion specific init/detection logic in nand_amd.c Date: Thu, 14 Jul 2022 16:35:42 +0200 Message-Id: <20220714143543.448991-11-michael@amarulasolutions.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220714143543.448991-1-michael@amarulasolutions.com> References: <20220714143543.448991-1-michael@amarulasolutions.com> MIME-Version: 1.0 X-Original-Sender: michael@amarulasolutions.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b=kuZ2q7jz; spf=pass (google.com: domain of michael@amarulasolutions.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=michael@amarulasolutions.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=amarulasolutions.com Content-Type: text/plain; charset="UTF-8" Precedence: list Mailing-list: list linux-amarula@amarulasolutions.com; contact linux-amarula+owners@amarulasolutions.com List-ID: X-Spam-Checked-In-Group: linux-amarula@amarulasolutions.com X-Google-Group-Id: 476853432473 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , Upstream commit 229204da53b31d576fcc1c93a33626943ea8202c Move AMD/Spansion specific initialization/detection logic into nand_amd.c. This is part of the "separate vendor specific code from core" cleanup process. Signed-off-by: Boris Brezillon Acked-by: Richard Weinberger Signed-off-by: Michael Trimarchi --- drivers/mtd/nand/raw/Makefile | 4 ++- drivers/mtd/nand/raw/nand_amd.c | 53 ++++++++++++++++++++++++++++++++ drivers/mtd/nand/raw/nand_base.c | 17 +--------- drivers/mtd/nand/raw/nand_ids.c | 2 +- include/linux/mtd/rawnand.h | 1 + 5 files changed, 59 insertions(+), 18 deletions(-) create mode 100644 drivers/mtd/nand/raw/nand_amd.c diff --git a/drivers/mtd/nand/raw/Makefile b/drivers/mtd/nand/raw/Makefile index e8fb451076..e1d511c12c 100644 --- a/drivers/mtd/nand/raw/Makefile +++ b/drivers/mtd/nand/raw/Makefile @@ -14,7 +14,8 @@ obj-$(CONFIG_SPL_NAND_DENALI) += denali_spl.o obj-$(CONFIG_SPL_NAND_SIMPLE) += nand_spl_simple.o obj-$(CONFIG_SPL_NAND_LOAD) += nand_spl_load.o obj-$(CONFIG_SPL_NAND_ECC) += nand_ecc.o -obj-$(CONFIG_SPL_NAND_BASE) += nand_base.o nand_hynix.o nand_micron.o nand_samsung.o nand_toshiba.o +obj-$(CONFIG_SPL_NAND_BASE) += nand_base.o nand_amd.o nand_hynix.o nand_micron.o \ + nand_samsung.o nand_toshiba.o obj-$(CONFIG_SPL_NAND_IDENT) += nand_ids.o nand_timings.o obj-$(CONFIG_TPL_NAND_INIT) += nand.o ifeq ($(CONFIG_SPL_ENV_SUPPORT),y) @@ -31,6 +32,7 @@ obj-y += nand_ids.o obj-y += nand_util.o obj-y += nand_ecc.o obj-y += nand_base.o +obj-y += nand_amd.o obj-y += nand_hynix.o obj-y += nand_micron.o obj-y += nand_samsung.o diff --git a/drivers/mtd/nand/raw/nand_amd.c b/drivers/mtd/nand/raw/nand_amd.c new file mode 100644 index 0000000000..f11166f361 --- /dev/null +++ b/drivers/mtd/nand/raw/nand_amd.c @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2017 Free Electrons + * Copyright (C) 2017 NextThing Co + * + * Author: Boris Brezillon + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include + +static void amd_nand_decode_id(struct nand_chip *chip) +{ + struct mtd_info *mtd = nand_to_mtd(chip); + + nand_decode_ext_id(chip); + + /* + * Check for Spansion/AMD ID + repeating 5th, 6th byte since + * some Spansion chips have erasesize that conflicts with size + * listed in nand_ids table. + * Data sheet (5 byte ID): Spansion S30ML-P ORNAND (p.39) + */ + if (chip->id.data[4] != 0x00 && chip->id.data[5] == 0x00 && + chip->id.data[6] == 0x00 && chip->id.data[7] == 0x00 && + mtd->writesize == 512) { + mtd->erasesize = 128 * 1024; + mtd->erasesize <<= ((chip->id.data[3] & 0x03) << 1); + } +} + +static int amd_nand_init(struct nand_chip *chip) +{ + if (nand_is_slc(chip)) + chip->bbt_options |= NAND_BBT_SCAN2NDPAGE; + + return 0; +} + +const struct nand_manufacturer_ops amd_nand_manuf_ops = { + .detect = amd_nand_decode_id, + .init = amd_nand_init, +}; diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index d2079c73fb..f79e57b9fb 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -4201,7 +4201,6 @@ static void nand_decode_id(struct nand_chip *chip, struct nand_flash_dev *type) { struct mtd_info *mtd = &chip->mtd; - int maf_id = chip->id.data[0]; mtd->erasesize = type->erasesize; mtd->writesize = type->pagesize; @@ -4209,19 +4208,6 @@ static void nand_decode_id(struct nand_chip *chip, /* All legacy ID NAND are small-page, SLC */ chip->bits_per_cell = 1; - - /* - * Check for Spansion/AMD ID + repeating 5th, 6th byte since - * some Spansion chips have erasesize that conflicts with size - * listed in nand_ids table. - * Data sheet (5 byte ID): Spansion S30ML-P ORNAND (p.39) - */ - if (maf_id == NAND_MFR_AMD && chip->id.data[4] != 0x00 && chip->id.data[5] == 0x00 - && chip->id.data[6] == 0x00 && chip->id.data[7] == 0x00 - && mtd->writesize == 512) { - mtd->erasesize = 128 * 1024; - mtd->erasesize <<= ((chip->id.data[3] & 0x03) << 1); - } } /* @@ -4246,8 +4232,7 @@ static void nand_decode_bbm_options(struct mtd_info *mtd, * Micron devices with 2KiB pages and on SLC Samsung, Hynix, Toshiba, * AMD/Spansion, and Macronix. All others scan only the first page. */ - if (nand_is_slc(chip) && - (maf_id == NAND_MFR_AMD || maf_id == NAND_MFR_MACRONIX)) + if (nand_is_slc(chip) && maf_id == NAND_MFR_MACRONIX) chip->bbt_options |= NAND_BBT_SCAN2NDPAGE; } diff --git a/drivers/mtd/nand/raw/nand_ids.c b/drivers/mtd/nand/raw/nand_ids.c index bb5ac8337f..c78f2e0880 100644 --- a/drivers/mtd/nand/raw/nand_ids.c +++ b/drivers/mtd/nand/raw/nand_ids.c @@ -196,7 +196,7 @@ struct nand_manufacturers nand_manuf_ids[] = { {NAND_MFR_STMICRO, "ST Micro"}, {NAND_MFR_HYNIX, "Hynix", &hynix_nand_manuf_ops}, {NAND_MFR_MICRON, "Micron", µn_nand_manuf_ops}, - {NAND_MFR_AMD, "AMD/Spansion"}, + {NAND_MFR_AMD, "AMD/Spansion", &amd_nand_manuf_ops}, {NAND_MFR_MACRONIX, "Macronix"}, {NAND_MFR_EON, "Eon"}, {NAND_MFR_SANDISK, "SanDisk"}, diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index ec0f77b24b..bb1a359a9c 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -1142,6 +1142,7 @@ extern const struct nand_manufacturer_ops toshiba_nand_manuf_ops; extern const struct nand_manufacturer_ops samsung_nand_manuf_ops; extern const struct nand_manufacturer_ops hynix_nand_manuf_ops; extern const struct nand_manufacturer_ops micron_nand_manuf_ops; +extern const struct nand_manufacturer_ops amd_nand_manuf_ops; int nand_default_bbt(struct mtd_info *mtd); int nand_markbad_bbt(struct mtd_info *mtd, loff_t offs);