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[93.137.247.208]) by smtp.googlemail.com with ESMTPSA id 18sm17011930wmf.1.2020.01.04.14.28.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 04 Jan 2020 14:28:28 -0800 (PST) From: Robert Marko To: u-boot@lists.denx.de Subject: [PATCH 1/2] mtd: spi-nand: Import Toshiba SPI-NAND support Date: Sat, 4 Jan 2020 23:28:06 +0100 Message-Id: <20200104222807.61198-1-robert.marko@sartura.hr> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 X-Mailman-Approved-At: Sun, 05 Jan 2020 14:37:54 +0100 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.26 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Robert Marko , Luka Perkov Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.101.4 at phobos.denx.de X-Virus-Status: Clean Linux has good support for Toshiba SPI-NAND, so lets import it. Signed-off-by: Robert Marko Tested-by: Luka Kovacic Cc: Luka Perkov --- drivers/mtd/nand/spi/Makefile | 2 +- drivers/mtd/nand/spi/core.c | 1 + drivers/mtd/nand/spi/toshiba.c | 190 +++++++++++++++++++++++++++++++++ include/linux/mtd/spinand.h | 1 + 4 files changed, 193 insertions(+), 1 deletion(-) create mode 100644 drivers/mtd/nand/spi/toshiba.c diff --git a/drivers/mtd/nand/spi/Makefile b/drivers/mtd/nand/spi/Makefile index dd6bacae34..6c65b187e8 100644 --- a/drivers/mtd/nand/spi/Makefile +++ b/drivers/mtd/nand/spi/Makefile @@ -1,4 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -spinand-objs := core.o gigadevice.o macronix.o micron.o winbond.o +spinand-objs := core.o gigadevice.o macronix.o micron.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 cb8ffa3fa9..67ebbdcb08 100644 --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -833,6 +833,7 @@ static const struct spinand_manufacturer *spinand_manufacturers[] = { &gigadevice_spinand_manufacturer, ¯onix_spinand_manufacturer, µn_spinand_manufacturer, + &toshiba_spinand_manufacturer, &winbond_spinand_manufacturer, }; diff --git a/drivers/mtd/nand/spi/toshiba.c b/drivers/mtd/nand/spi/toshiba.c new file mode 100644 index 0000000000..29846cf4bd --- /dev/null +++ b/drivers/mtd/nand/spi/toshiba.c @@ -0,0 +1,190 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2018 exceet electronics GmbH + * Copyright (c) 2018 Kontron Electronics GmbH + * + * Author: Frieder Schrempf + */ + +#ifndef __UBOOT__ +#include +#include +#endif +#include + +#define SPINAND_MFR_TOSHIBA 0x98 +#define TOSH_STATUS_ECC_HAS_BITFLIPS_T (3 << 4) + +static SPINAND_OP_VARIANTS(read_cache_variants, + SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), + 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 int tc58cxgxsx_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 0) + return -ERANGE; + + region->offset = mtd->oobsize / 2; + region->length = mtd->oobsize / 2; + + return 0; +} + +static int tc58cxgxsx_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 0) + return -ERANGE; + + /* 2 bytes reserved for BBM */ + region->offset = 2; + region->length = (mtd->oobsize / 2) - 2; + + return 0; +} + +static const struct mtd_ooblayout_ops tc58cxgxsx_ooblayout = { + .ecc = tc58cxgxsx_ooblayout_ecc, + .free = tc58cxgxsx_ooblayout_free, +}; + +static int tc58cxgxsx_ecc_get_status(struct spinand_device *spinand, + u8 status) +{ + struct nand_device *nand = spinand_to_nand(spinand); + u8 mbf = 0; + struct spi_mem_op op = SPINAND_GET_FEATURE_OP(0x30, &mbf); + + switch (status & STATUS_ECC_MASK) { + case STATUS_ECC_NO_BITFLIPS: + return 0; + + case STATUS_ECC_UNCOR_ERROR: + return -EBADMSG; + + case STATUS_ECC_HAS_BITFLIPS: + case TOSH_STATUS_ECC_HAS_BITFLIPS_T: + /* + * Let's try to retrieve the real maximum number of bitflips + * in order to avoid forcing the wear-leveling layer to move + * data around if it's not necessary. + */ + if (spi_mem_exec_op(spinand->slave, &op)) + return nand->eccreq.strength; + + mbf >>= 4; + + if (WARN_ON(mbf > nand->eccreq.strength || !mbf)) + return nand->eccreq.strength; + + return mbf; + + default: + break; + } + + return -EINVAL; +} + +static const struct spinand_info toshiba_spinand_table[] = { + /* 3.3V 1Gb */ + SPINAND_INFO("TC58CVG0S3", 0xC2, + NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&tc58cxgxsx_ooblayout, + tc58cxgxsx_ecc_get_status)), + /* 3.3V 2Gb */ + SPINAND_INFO("TC58CVG1S3", 0xCB, + NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&tc58cxgxsx_ooblayout, + tc58cxgxsx_ecc_get_status)), + /* 3.3V 4Gb */ + SPINAND_INFO("TC58CVG2S0", 0xCD, + NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&tc58cxgxsx_ooblayout, + tc58cxgxsx_ecc_get_status)), + /* 1.8V 1Gb */ + SPINAND_INFO("TC58CYG0S3", 0xB2, + NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&tc58cxgxsx_ooblayout, + tc58cxgxsx_ecc_get_status)), + /* 1.8V 2Gb */ + SPINAND_INFO("TC58CYG1S3", 0xBB, + NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&tc58cxgxsx_ooblayout, + tc58cxgxsx_ecc_get_status)), + /* 1.8V 4Gb */ + SPINAND_INFO("TC58CYG2S0", 0xBD, + NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&tc58cxgxsx_ooblayout, + tc58cxgxsx_ecc_get_status)), +}; + +static int toshiba_spinand_detect(struct spinand_device *spinand) +{ + u8 *id = spinand->id.data; + int ret; + + /* + * Toshiba SPI NAND read ID needs a dummy byte, + * so the first byte in id is garbage. + */ + if (id[1] != SPINAND_MFR_TOSHIBA) + return 0; + + ret = spinand_match_and_init(spinand, toshiba_spinand_table, + ARRAY_SIZE(toshiba_spinand_table), + id[2]); + if (ret) + return ret; + + return 1; +} + +static const struct spinand_manufacturer_ops toshiba_spinand_manuf_ops = { + .detect = toshiba_spinand_detect, +}; + +const struct spinand_manufacturer toshiba_spinand_manufacturer = { + .id = SPINAND_MFR_TOSHIBA, + .name = "Toshiba", + .ops = &toshiba_spinand_manuf_ops, +}; diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index be01e1e82e..83eafb184e 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -204,6 +204,7 @@ struct spinand_manufacturer { extern const struct spinand_manufacturer gigadevice_spinand_manufacturer; extern const struct spinand_manufacturer macronix_spinand_manufacturer; 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[93.137.247.208]) by smtp.googlemail.com with ESMTPSA id 18sm17011930wmf.1.2020.01.04.14.28.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 04 Jan 2020 14:28:32 -0800 (PST) From: Robert Marko To: u-boot@lists.denx.de Subject: [PATCH 2/2] mtd: nand: spi: add support for Toshiba TC58CVG2S0HRAIJ Date: Sat, 4 Jan 2020 23:28:07 +0100 Message-Id: <20200104222807.61198-2-robert.marko@sartura.hr> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200104222807.61198-1-robert.marko@sartura.hr> References: <20200104222807.61198-1-robert.marko@sartura.hr> MIME-Version: 1.0 X-Mailman-Approved-At: Sun, 05 Jan 2020 14:37:54 +0100 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.26 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Robert Marko , Luka Perkov Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.101.4 at phobos.denx.de X-Virus-Status: Clean Toshiba recently launched new revisions of their serial SLC NAND series. TC58CVG2S0HRAIJ is a refresh of previous series with minor improvements. Basic parameters are same so lets add support for this new revision. Datasheet: https://business.kioxia.com/info/docget.jsp?did=58601&prodName=TC58CVG2S0HRAIJ Signed-off-by: Robert Marko Tested-by: Luka Kovacic Cc: Luka Perkov --- drivers/mtd/nand/spi/toshiba.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/mtd/nand/spi/toshiba.c b/drivers/mtd/nand/spi/toshiba.c index 29846cf4bd..f0524fa94f 100644 --- a/drivers/mtd/nand/spi/toshiba.c +++ b/drivers/mtd/nand/spi/toshiba.c @@ -126,6 +126,16 @@ static const struct spinand_info toshiba_spinand_table[] = { 0, SPINAND_ECCINFO(&tc58cxgxsx_ooblayout, tc58cxgxsx_ecc_get_status)), + /* 3.3V 4Gb */ + SPINAND_INFO("TC58CVG2S0", 0xED, + NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&tc58cxgxsx_ooblayout, + tc58cxgxsx_ecc_get_status)), /* 1.8V 1Gb */ SPINAND_INFO("TC58CYG0S3", 0xB2, NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),