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[118.13.124.123]) by smtp.googlemail.com with ESMTPSA id x23sm45041113pge.47.2020.12.28.21.51.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Dec 2020 21:51:33 -0800 (PST) From: Daniel Palmer To: linux-mtd@lists.infradead.org Subject: [PATCH 1/1] mtd: spinand: add support for Foresee FS35ND01G Date: Tue, 29 Dec 2020 14:50:59 +0900 Message-Id: <20201229055059.2255021-2-daniel@0x0f.com> X-Mailer: git-send-email 2.30.0.rc2 In-Reply-To: <20201229055059.2255021-1-daniel@0x0f.com> References: <20201229055059.2255021-1-daniel@0x0f.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201229_005136_372581_813B0CFE X-CRM114-Status: GOOD ( 17.88 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: vigneshr@ti.com, richard@nod.at, Daniel Palmer , linux-kernel@vger.kernel.org, miquel.raynal@bootlin.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Add support for the Foresee FS35ND01G manufactured by Longsys. Signed-off-by: Daniel Palmer --- drivers/mtd/nand/spi/Makefile | 2 +- drivers/mtd/nand/spi/core.c | 1 + drivers/mtd/nand/spi/longsys.c | 45 ++++++++++++++++++++++++++++++++++ include/linux/mtd/spinand.h | 1 + 4 files changed, 48 insertions(+), 1 deletion(-) create mode 100644 drivers/mtd/nand/spi/longsys.c diff --git a/drivers/mtd/nand/spi/Makefile b/drivers/mtd/nand/spi/Makefile index 9662b9c1d5a9..1d6819022e43 100644 --- a/drivers/mtd/nand/spi/Makefile +++ b/drivers/mtd/nand/spi/Makefile @@ -1,3 +1,3 @@ # SPDX-License-Identifier: GPL-2.0 -spinand-objs := core.o gigadevice.o macronix.o micron.o paragon.o toshiba.o winbond.o +spinand-objs := core.o gigadevice.o longsys.o macronix.o micron.o paragon.o toshiba.o winbond.o obj-$(CONFIG_MTD_SPI_NAND) += spinand.o diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c index 8ea545bb924d..bdc9cd45d232 100644 --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -856,6 +856,7 @@ static const struct nand_ops spinand_ops = { static const struct spinand_manufacturer *spinand_manufacturers[] = { &gigadevice_spinand_manufacturer, + &longsys_spinand_manufacturer, ¯onix_spinand_manufacturer, µn_spinand_manufacturer, ¶gon_spinand_manufacturer, diff --git a/drivers/mtd/nand/spi/longsys.c b/drivers/mtd/nand/spi/longsys.c new file mode 100644 index 000000000000..f18271f8e9d2 --- /dev/null +++ b/drivers/mtd/nand/spi/longsys.c @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2020 Daniel Palmer + * + */ + +#include +#include +#include + +#define SPINAND_MFR_LONGSYS 0xcd + +static SPINAND_OP_VARIANTS(read_cache_variants, + SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0)); + +static SPINAND_OP_VARIANTS(write_cache_variants, + SPINAND_PROG_LOAD(true, 0, NULL, 0)); + +static SPINAND_OP_VARIANTS(update_cache_variants, + SPINAND_PROG_LOAD(false, 0, NULL, 0)); + +static const struct spinand_info longsys_spinand_table[] = { + SPINAND_INFO("FS35ND01G", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xea, 0x11), + NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(NULL, + NULL)), +}; + +static const struct spinand_manufacturer_ops longsys_spinand_manuf_ops = { +}; + +const struct spinand_manufacturer longsys_spinand_manufacturer = { + .id = SPINAND_MFR_LONGSYS, + .name = "Longsys", + .chips = longsys_spinand_table, + .nchips = ARRAY_SIZE(longsys_spinand_table), + .ops = &longsys_spinand_manuf_ops, +}; diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index 6bb92f26833e..8651e63a2f8a 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -239,6 +239,7 @@ struct spinand_manufacturer { /* SPI NAND manufacturers */ extern const struct spinand_manufacturer gigadevice_spinand_manufacturer; +extern const struct spinand_manufacturer longsys_spinand_manufacturer; extern const struct spinand_manufacturer macronix_spinand_manufacturer; extern const struct spinand_manufacturer micron_spinand_manufacturer; extern const struct spinand_manufacturer paragon_spinand_manufacturer; -- 2.30.0.rc2 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/