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From: shiva.linuxworks@gmail.com
To: Miquel Raynal <miquel.raynal@bootlin.com>,
	Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Boris Brezillon <bbrezillon@kernel.org>,
	Frieder Schrempf <frieder.schrempf@kontron.de>,
	linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Shivamurthy Shastri <sshivamurthy@micron.com>
Subject: [PATCH 4/4] mtd: spinand: Add new Micron SPI NAND devices with multiple dies
Date: Sun, 19 Jan 2020 15:54:32 +0100	[thread overview]
Message-ID: <20200119145432.10405-5-sshivamurthy@micron.com> (raw)
In-Reply-To: <20200119145432.10405-1-sshivamurthy@micron.com>

From: Shivamurthy Shastri <sshivamurthy@micron.com>

Add device table for new Micron SPI NAND devices, which have multiple
dies. While at it, add support to select the die.

Signed-off-by: Shivamurthy Shastri <sshivamurthy@micron.com>
---
 drivers/mtd/nand/spi/micron.c | 50 +++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/drivers/mtd/nand/spi/micron.c b/drivers/mtd/nand/spi/micron.c
index 45fc37c58f8a..03b486843210 100644
--- a/drivers/mtd/nand/spi/micron.c
+++ b/drivers/mtd/nand/spi/micron.c
@@ -18,6 +18,8 @@
 #define MICRON_STATUS_ECC_4TO6_BITFLIPS	(3 << 4)
 #define MICRON_STATUS_ECC_7TO8_BITFLIPS	(5 << 4)
 
+#define MICRON_DIE_SELECTION_BIT	6
+
 static SPINAND_OP_VARIANTS(read_cache_variants,
 		SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
 		SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
@@ -64,6 +66,21 @@ static const struct mtd_ooblayout_ops micron_8_ooblayout = {
 	.free = micron_8_ooblayout_free,
 };
 
+static int micron_select_target(struct spinand_device *spinand,
+				unsigned int target)
+{
+	struct spi_mem_op op = SPINAND_SET_FEATURE_OP(0xd0,
+						      spinand->scratchbuf);
+
+	/*
+	 * As per datasheet, die selection is done by the 6th bit of Die
+	 * Select Register (Address 0xD0).
+	 */
+	*spinand->scratchbuf = target << MICRON_DIE_SELECTION_BIT;
+
+	return spi_mem_exec_op(spinand->spimem, &op);
+}
+
 static int micron_8_ecc_get_status(struct spinand_device *spinand,
 				   u8 status)
 {
@@ -131,6 +148,17 @@ static const struct spinand_info micron_spinand_table[] = {
 		     0,
 		     SPINAND_ECCINFO(&micron_8_ooblayout,
 				     micron_8_ecc_get_status)),
+	/* M79A 4Gb 3.3V */
+	SPINAND_INFO("MT29F4G01ADAGD", 0x36,
+		     NAND_MEMORG(1, 2048, 128, 64, 2048, 80, 2, 1, 2),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&micron_8_ooblayout,
+				     micron_8_ecc_get_status),
+		     SPINAND_SELECT_TARGET(micron_select_target)),
 	/* M70A 4Gb 3.3V */
 	SPINAND_INFO("MT29F4G01ABAFD", 0x34,
 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1),
@@ -151,6 +179,28 @@ static const struct spinand_info micron_spinand_table[] = {
 		     0,
 		     SPINAND_ECCINFO(&micron_8_ooblayout,
 				     micron_8_ecc_get_status)),
+	/* M70A 8Gb 3.3V */
+	SPINAND_INFO("MT29F8G01ADAFD", 0x46,
+		     NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 2),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&micron_8_ooblayout,
+				     micron_8_ecc_get_status),
+		     SPINAND_SELECT_TARGET(micron_select_target)),
+	/* M70A 8Gb 1.8V */
+	SPINAND_INFO("MT29F8G01ADBFD", 0x47,
+		     NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 2),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&micron_8_ooblayout,
+				     micron_8_ecc_get_status),
+		     SPINAND_SELECT_TARGET(micron_select_target)),
 };
 
 static int micron_spinand_detect(struct spinand_device *spinand)
-- 
2.17.1


WARNING: multiple messages have this Message-ID (diff)
From: shiva.linuxworks@gmail.com
To: Miquel Raynal <miquel.raynal@bootlin.com>,
	Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Boris Brezillon <bbrezillon@kernel.org>,
	Frieder Schrempf <frieder.schrempf@kontron.de>,
	linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Shivamurthy Shastri <sshivamurthy@micron.com>
Subject: [PATCH 4/4] mtd: spinand: Add new Micron SPI NAND devices with multiple dies
Date: Sun, 19 Jan 2020 15:54:32 +0100	[thread overview]
Message-ID: <20200119145432.10405-5-sshivamurthy@micron.com> (raw)
In-Reply-To: <20200119145432.10405-1-sshivamurthy@micron.com>

From: Shivamurthy Shastri <sshivamurthy@micron.com>

Add device table for new Micron SPI NAND devices, which have multiple
dies. While at it, add support to select the die.

Signed-off-by: Shivamurthy Shastri <sshivamurthy@micron.com>
---
 drivers/mtd/nand/spi/micron.c | 50 +++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/drivers/mtd/nand/spi/micron.c b/drivers/mtd/nand/spi/micron.c
index 45fc37c58f8a..03b486843210 100644
--- a/drivers/mtd/nand/spi/micron.c
+++ b/drivers/mtd/nand/spi/micron.c
@@ -18,6 +18,8 @@
 #define MICRON_STATUS_ECC_4TO6_BITFLIPS	(3 << 4)
 #define MICRON_STATUS_ECC_7TO8_BITFLIPS	(5 << 4)
 
+#define MICRON_DIE_SELECTION_BIT	6
+
 static SPINAND_OP_VARIANTS(read_cache_variants,
 		SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
 		SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
@@ -64,6 +66,21 @@ static const struct mtd_ooblayout_ops micron_8_ooblayout = {
 	.free = micron_8_ooblayout_free,
 };
 
+static int micron_select_target(struct spinand_device *spinand,
+				unsigned int target)
+{
+	struct spi_mem_op op = SPINAND_SET_FEATURE_OP(0xd0,
+						      spinand->scratchbuf);
+
+	/*
+	 * As per datasheet, die selection is done by the 6th bit of Die
+	 * Select Register (Address 0xD0).
+	 */
+	*spinand->scratchbuf = target << MICRON_DIE_SELECTION_BIT;
+
+	return spi_mem_exec_op(spinand->spimem, &op);
+}
+
 static int micron_8_ecc_get_status(struct spinand_device *spinand,
 				   u8 status)
 {
@@ -131,6 +148,17 @@ static const struct spinand_info micron_spinand_table[] = {
 		     0,
 		     SPINAND_ECCINFO(&micron_8_ooblayout,
 				     micron_8_ecc_get_status)),
+	/* M79A 4Gb 3.3V */
+	SPINAND_INFO("MT29F4G01ADAGD", 0x36,
+		     NAND_MEMORG(1, 2048, 128, 64, 2048, 80, 2, 1, 2),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&micron_8_ooblayout,
+				     micron_8_ecc_get_status),
+		     SPINAND_SELECT_TARGET(micron_select_target)),
 	/* M70A 4Gb 3.3V */
 	SPINAND_INFO("MT29F4G01ABAFD", 0x34,
 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1),
@@ -151,6 +179,28 @@ static const struct spinand_info micron_spinand_table[] = {
 		     0,
 		     SPINAND_ECCINFO(&micron_8_ooblayout,
 				     micron_8_ecc_get_status)),
+	/* M70A 8Gb 3.3V */
+	SPINAND_INFO("MT29F8G01ADAFD", 0x46,
+		     NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 2),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&micron_8_ooblayout,
+				     micron_8_ecc_get_status),
+		     SPINAND_SELECT_TARGET(micron_select_target)),
+	/* M70A 8Gb 1.8V */
+	SPINAND_INFO("MT29F8G01ADBFD", 0x47,
+		     NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 2),
+		     NAND_ECCREQ(8, 512),
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+					      &write_cache_variants,
+					      &update_cache_variants),
+		     0,
+		     SPINAND_ECCINFO(&micron_8_ooblayout,
+				     micron_8_ecc_get_status),
+		     SPINAND_SELECT_TARGET(micron_select_target)),
 };
 
 static int micron_spinand_detect(struct spinand_device *spinand)
-- 
2.17.1


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

  parent reply	other threads:[~2020-01-19 14:57 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-19 14:54 [PATCH 0/4] Add new series Micron SPI NAND devices shiva.linuxworks
2020-01-19 14:54 ` shiva.linuxworks
2020-01-19 14:54 ` [PATCH 1/4] mtd: spinand: Generalize the OOB layout structure and function names shiva.linuxworks
2020-01-19 14:54   ` shiva.linuxworks
2020-01-30  8:30   ` Miquel Raynal
2020-01-30  8:30     ` Miquel Raynal
2020-01-19 14:54 ` [PATCH 2/4] mtd: spinand: Add new Micron SPI NAND devices shiva.linuxworks
2020-01-19 14:54   ` shiva.linuxworks
2020-01-19 14:54 ` [PATCH 3/4] mtd: spinand: Add M70A series " shiva.linuxworks
2020-01-19 14:54   ` shiva.linuxworks
2020-01-20 10:16   ` Miquel Raynal
2020-01-20 10:16     ` Miquel Raynal
2020-01-21 12:23     ` [EXT] " Shivamurthy Shastri (sshivamurthy)
2020-01-21 12:23       ` Shivamurthy Shastri (sshivamurthy)
2020-01-21 13:40       ` Miquel Raynal
2020-01-21 13:40         ` Miquel Raynal
2020-01-21 14:59         ` Shivamurthy Shastri (sshivamurthy)
2020-01-21 14:59           ` Shivamurthy Shastri (sshivamurthy)
2020-01-21 15:27           ` Miquel Raynal
2020-01-21 15:27             ` Miquel Raynal
2020-01-23  9:01             ` Shivamurthy Shastri (sshivamurthy)
2020-01-23  9:01               ` Shivamurthy Shastri (sshivamurthy)
2020-01-19 14:54 ` shiva.linuxworks [this message]
2020-01-19 14:54   ` [PATCH 4/4] mtd: spinand: Add new Micron SPI NAND devices with multiple dies shiva.linuxworks
2020-01-20 10:22   ` Miquel Raynal
2020-01-20 10:22     ` Miquel Raynal
2020-01-21 12:23     ` [EXT] " Shivamurthy Shastri (sshivamurthy)
2020-01-21 12:23       ` Shivamurthy Shastri (sshivamurthy)
2020-01-21 13:44       ` Miquel Raynal
2020-01-21 13:44         ` Miquel Raynal

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