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[81.204.249.205]) by smtp.gmail.com with ESMTPSA id c13-20020aa7c74d000000b0051823c1a10bsm3454421eds.54.2023.06.12.08.03.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Jun 2023 08:03:36 -0700 (PDT) Message-ID: <86aaf385-3c0a-21d9-46fe-f84ee26efbc6@gmail.com> Date: Mon, 12 Jun 2023 17:03:35 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 From: Johan Jonker Subject: [PATCH v2 4/5] mtd: nand: raw: add basic sandisk manufacturer ops To: miquel.raynal@bootlin.com Cc: richard@nod.at, vigneshr@ti.com, heiko@sntech.de, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, yifeng.zhao@rock-chips.com References: <11e16c3b-6f7b-a6a9-b0ed-b7ac0cd703e3@gmail.com> Content-Language: en-US In-Reply-To: <11e16c3b-6f7b-a6a9-b0ed-b7ac0cd703e3@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230612_080339_813140_DA85FB4A X-CRM114-Status: GOOD ( 14.37 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Add basic Sandisk manufacturer ops support to get SDTNQGAMA timing data with the nand_get_sdr_timings() function. Signed-off-by: Johan Jonker --- Limited to one chip model for now. In need for someone with better knowledge of the Sandisk product range to expand and improve. Documentation is rare to find. --- drivers/mtd/nand/raw/Makefile | 1 + drivers/mtd/nand/raw/internals.h | 1 + drivers/mtd/nand/raw/nand_ids.c | 2 +- drivers/mtd/nand/raw/nand_sandisk.c | 26 ++++++++++++++++++++++++++ 4 files changed, 29 insertions(+), 1 deletion(-) create mode 100644 drivers/mtd/nand/raw/nand_sandisk.c -- 2.30.2 diff --git a/drivers/mtd/nand/raw/Makefile b/drivers/mtd/nand/raw/Makefile index 917cdfb81..d93e861d8 100644 --- a/drivers/mtd/nand/raw/Makefile +++ b/drivers/mtd/nand/raw/Makefile @@ -67,5 +67,6 @@ nand-objs += nand_esmt.o nand-objs += nand_hynix.o nand-objs += nand_macronix.o nand-objs += nand_micron.o +nand-objs += nand_sandisk.o nand-objs += nand_samsung.o nand-objs += nand_toshiba.o diff --git a/drivers/mtd/nand/raw/internals.h b/drivers/mtd/nand/raw/internals.h index 7016e0f38..e9932da18 100644 --- a/drivers/mtd/nand/raw/internals.h +++ b/drivers/mtd/nand/raw/internals.h @@ -73,6 +73,7 @@ extern const struct nand_manufacturer_ops hynix_nand_manuf_ops; extern const struct nand_manufacturer_ops macronix_nand_manuf_ops; extern const struct nand_manufacturer_ops micron_nand_manuf_ops; extern const struct nand_manufacturer_ops samsung_nand_manuf_ops; +extern const struct nand_manufacturer_ops sandisk_nand_manuf_ops; extern const struct nand_manufacturer_ops toshiba_nand_manuf_ops; /* MLC pairing schemes */ diff --git a/drivers/mtd/nand/raw/nand_ids.c b/drivers/mtd/nand/raw/nand_ids.c index dacc5529b..1a89ed796 100644 --- a/drivers/mtd/nand/raw/nand_ids.c +++ b/drivers/mtd/nand/raw/nand_ids.c @@ -188,7 +188,7 @@ static const struct nand_manufacturer_desc nand_manufacturer_descs[] = { {NAND_MFR_NATIONAL, "National"}, {NAND_MFR_RENESAS, "Renesas"}, {NAND_MFR_SAMSUNG, "Samsung", &samsung_nand_manuf_ops}, - {NAND_MFR_SANDISK, "SanDisk"}, + {NAND_MFR_SANDISK, "SanDisk", &sandisk_nand_manuf_ops}, {NAND_MFR_STMICRO, "ST Micro"}, {NAND_MFR_TOSHIBA, "Toshiba", &toshiba_nand_manuf_ops}, {NAND_MFR_WINBOND, "Winbond"}, diff --git a/drivers/mtd/nand/raw/nand_sandisk.c b/drivers/mtd/nand/raw/nand_sandisk.c new file mode 100644 index 000000000..7c66e4187 --- /dev/null +++ b/drivers/mtd/nand/raw/nand_sandisk.c @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "internals.h" + +static int +sdtnqgama_choose_interface_config(struct nand_chip *chip, + struct nand_interface_config *iface) +{ + onfi_fill_interface_config(chip, iface, NAND_SDR_IFACE, 0); + + return nand_choose_best_sdr_timings(chip, iface, NULL); +} + +static int sandisk_nand_init(struct nand_chip *chip) +{ + if (!strncmp("SDTNQGAMA", chip->parameters.model, + sizeof("SDTNQGAMA") - 1)) + chip->ops.choose_interface_config = + &sdtnqgama_choose_interface_config; + + return 0; +} + +const struct nand_manufacturer_ops sandisk_nand_manuf_ops = { + .init = sandisk_nand_init, +};