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From: Thirumalesha Narasimhappa <nthirumalesha7@gmail.com>
To: Miquel Raynal <miquel.raynal@bootlin.com>,
	Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Shivamurthy Shastri <sshivamurthy@micron.com>,
	Boris Brezillon <boris.brezillon@collabora.com>,
	Chuanhong Guo <gch981213@gmail.com>,
	linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Thirumalesha Narasimhappa <nthirumalesha7@gmail.com>
Subject: [PATCH v7 2/2] mtd: spinand: micron: Add support for MT29F2G01AAAED
Date: Sun,  8 Nov 2020 19:37:35 +0800	[thread overview]
Message-ID: <20201108113735.2533-3-nthirumalesha7@gmail.com> (raw)
In-Reply-To: <20201108113735.2533-1-nthirumalesha7@gmail.com>

The MT29F2G01AAAED is a single die, 2Gb Micron SPI NAND Flash with 4-bit
ECC

Signed-off-by: Thirumalesha Narasimhappa <nthirumalesha7@gmail.com>
---
 drivers/mtd/nand/spi/micron.c | 64 +++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/drivers/mtd/nand/spi/micron.c b/drivers/mtd/nand/spi/micron.c
index afe3ba37dcfb..50b7295bc922 100644
--- a/drivers/mtd/nand/spi/micron.c
+++ b/drivers/mtd/nand/spi/micron.c
@@ -44,6 +44,19 @@ static SPINAND_OP_VARIANTS(x4_update_cache_variants,
 		SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
 		SPINAND_PROG_LOAD(false, 0, NULL, 0));
 
+/* Micron  MT29F2G01AAAED Device */
+static SPINAND_OP_VARIANTS(x4_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(x1_write_cache_variants,
+			   SPINAND_PROG_LOAD(true, 0, NULL, 0));
+
+static SPINAND_OP_VARIANTS(x1_update_cache_variants,
+			   SPINAND_PROG_LOAD(false, 0, NULL, 0));
+
 static int micron_8_ooblayout_ecc(struct mtd_info *mtd, int section,
 				  struct mtd_oob_region *region)
 {
@@ -74,6 +87,47 @@ static const struct mtd_ooblayout_ops micron_8_ooblayout = {
 	.free = micron_8_ooblayout_free,
 };
 
+static int micron_4_ooblayout_ecc(struct mtd_info *mtd, int section,
+				  struct mtd_oob_region *region)
+{
+	struct spinand_device *spinand = mtd_to_spinand(mtd);
+
+	if (section >= spinand->base.memorg.pagesize /
+			mtd->ecc_step_size)
+		return -ERANGE;
+
+	region->offset = (section * 16) + 8;
+	region->length = 8;
+
+	return 0;
+}
+
+static int micron_4_ooblayout_free(struct mtd_info *mtd, int section,
+				   struct mtd_oob_region *region)
+{
+	struct spinand_device *spinand = mtd_to_spinand(mtd);
+
+	if (section >= spinand->base.memorg.pagesize /
+			mtd->ecc_step_size)
+		return -ERANGE;
+
+	if (section) {
+		region->offset = 16 * section;
+		region->length = 8;
+	} else {
+		/* section 0 has two bytes reserved for the BBM */
+		region->offset = 2;
+		region->length = 6;
+	}
+
+	return 0;
+}
+
+static const struct mtd_ooblayout_ops micron_4_ooblayout = {
+	.ecc = micron_4_ooblayout_ecc,
+	.free = micron_4_ooblayout_free,
+};
+
 static int micron_select_target(struct spinand_device *spinand,
 				unsigned int target)
 {
@@ -217,6 +271,16 @@ static const struct spinand_info micron_spinand_table[] = {
 		     SPINAND_ECCINFO(&micron_8_ooblayout,
 				     micron_8_ecc_get_status),
 		     SPINAND_SELECT_TARGET(micron_select_target)),
+	/* M69A 2Gb 3.3V */
+	SPINAND_INFO("MT29F2G01AAAED",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x9F),
+		     NAND_MEMORG(1, 2048, 64, 64, 2048, 80, 2, 1, 1),
+		     NAND_ECCREQ(4, 512),
+		     SPINAND_INFO_OP_VARIANTS(&x4_read_cache_variants,
+					      &x1_write_cache_variants,
+					      &x1_update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&micron_4_ooblayout, NULL)),
 };
 
 static int micron_spinand_init(struct spinand_device *spinand)
-- 
2.25.1


______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

WARNING: multiple messages have this Message-ID (diff)
From: Thirumalesha Narasimhappa <nthirumalesha7@gmail.com>
To: Miquel Raynal <miquel.raynal@bootlin.com>,
	Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Shivamurthy Shastri <sshivamurthy@micron.com>,
	Boris Brezillon <boris.brezillon@collabora.com>,
	Chuanhong Guo <gch981213@gmail.com>,
	linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Thirumalesha Narasimhappa <nthirumalesha7@gmail.com>
Subject: [PATCH v7 2/2] mtd: spinand: micron: Add support for MT29F2G01AAAED
Date: Sun,  8 Nov 2020 19:37:35 +0800	[thread overview]
Message-ID: <20201108113735.2533-3-nthirumalesha7@gmail.com> (raw)
In-Reply-To: <20201108113735.2533-1-nthirumalesha7@gmail.com>

The MT29F2G01AAAED is a single die, 2Gb Micron SPI NAND Flash with 4-bit
ECC

Signed-off-by: Thirumalesha Narasimhappa <nthirumalesha7@gmail.com>
---
 drivers/mtd/nand/spi/micron.c | 64 +++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/drivers/mtd/nand/spi/micron.c b/drivers/mtd/nand/spi/micron.c
index afe3ba37dcfb..50b7295bc922 100644
--- a/drivers/mtd/nand/spi/micron.c
+++ b/drivers/mtd/nand/spi/micron.c
@@ -44,6 +44,19 @@ static SPINAND_OP_VARIANTS(x4_update_cache_variants,
 		SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
 		SPINAND_PROG_LOAD(false, 0, NULL, 0));
 
+/* Micron  MT29F2G01AAAED Device */
+static SPINAND_OP_VARIANTS(x4_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(x1_write_cache_variants,
+			   SPINAND_PROG_LOAD(true, 0, NULL, 0));
+
+static SPINAND_OP_VARIANTS(x1_update_cache_variants,
+			   SPINAND_PROG_LOAD(false, 0, NULL, 0));
+
 static int micron_8_ooblayout_ecc(struct mtd_info *mtd, int section,
 				  struct mtd_oob_region *region)
 {
@@ -74,6 +87,47 @@ static const struct mtd_ooblayout_ops micron_8_ooblayout = {
 	.free = micron_8_ooblayout_free,
 };
 
+static int micron_4_ooblayout_ecc(struct mtd_info *mtd, int section,
+				  struct mtd_oob_region *region)
+{
+	struct spinand_device *spinand = mtd_to_spinand(mtd);
+
+	if (section >= spinand->base.memorg.pagesize /
+			mtd->ecc_step_size)
+		return -ERANGE;
+
+	region->offset = (section * 16) + 8;
+	region->length = 8;
+
+	return 0;
+}
+
+static int micron_4_ooblayout_free(struct mtd_info *mtd, int section,
+				   struct mtd_oob_region *region)
+{
+	struct spinand_device *spinand = mtd_to_spinand(mtd);
+
+	if (section >= spinand->base.memorg.pagesize /
+			mtd->ecc_step_size)
+		return -ERANGE;
+
+	if (section) {
+		region->offset = 16 * section;
+		region->length = 8;
+	} else {
+		/* section 0 has two bytes reserved for the BBM */
+		region->offset = 2;
+		region->length = 6;
+	}
+
+	return 0;
+}
+
+static const struct mtd_ooblayout_ops micron_4_ooblayout = {
+	.ecc = micron_4_ooblayout_ecc,
+	.free = micron_4_ooblayout_free,
+};
+
 static int micron_select_target(struct spinand_device *spinand,
 				unsigned int target)
 {
@@ -217,6 +271,16 @@ static const struct spinand_info micron_spinand_table[] = {
 		     SPINAND_ECCINFO(&micron_8_ooblayout,
 				     micron_8_ecc_get_status),
 		     SPINAND_SELECT_TARGET(micron_select_target)),
+	/* M69A 2Gb 3.3V */
+	SPINAND_INFO("MT29F2G01AAAED",
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x9F),
+		     NAND_MEMORG(1, 2048, 64, 64, 2048, 80, 2, 1, 1),
+		     NAND_ECCREQ(4, 512),
+		     SPINAND_INFO_OP_VARIANTS(&x4_read_cache_variants,
+					      &x1_write_cache_variants,
+					      &x1_update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&micron_4_ooblayout, NULL)),
 };
 
 static int micron_spinand_init(struct spinand_device *spinand)
-- 
2.25.1


  parent reply	other threads:[~2020-11-08 11:38 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-08 11:37 [PATCH v7 0/2] Add support for micron SPI NAND MT29F2G01AAAED Thirumalesha Narasimhappa
2020-11-08 11:37 ` Thirumalesha Narasimhappa
2020-11-08 11:37 ` [PATCH v7 1/2] mtd: spinand: micron: Generalize the structure names Thirumalesha Narasimhappa
2020-11-08 11:37   ` Thirumalesha Narasimhappa
2020-12-07 11:10   ` Miquel Raynal
2020-12-07 11:10     ` Miquel Raynal
2020-11-08 11:37 ` Thirumalesha Narasimhappa [this message]
2020-11-08 11:37   ` [PATCH v7 2/2] mtd: spinand: micron: Add support for MT29F2G01AAAED Thirumalesha Narasimhappa
2020-12-07 11:09   ` Miquel Raynal
2020-12-07 11:09     ` Miquel Raynal

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