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From: Jeff Kletsky <lede@allycomm.com>
To: Miquel Raynal <miquel.raynal@bootlin.com>,
	Richard Weinberger <richard@nod.at>,
	David Woodhouse <dwmw2@infradead.org>,
	Brian Norris <computersforpeace@gmail.com>,
	Marek Vasut <marek.vasut@gmail.com>,
	Vignesh Raghavendra <vigneshr@ti.com>
Cc: Jeff Kletsky <git-commits@allycomm.com>,
	Frieder Schrempf <frieder.schrempf@kontron.de>,
	linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH v4 1/3] mtd: spinand: Define macros for page-read ops with three-byte addresses
Date: Wed, 22 May 2019 15:05:53 -0700	[thread overview]
Message-ID: <20190522220555.11626-2-lede@allycomm.com> (raw)
In-Reply-To: <20190522220555.11626-1-lede@allycomm.com>

From: Jeff Kletsky <git-commits@allycomm.com>

The GigaDevice GD5F1GQ4UFxxG SPI NAND utilizes three-byte addresses
for its page-read ops.

http://www.gigadevice.com/datasheet/gd5f1gq4xfxxg/

Signed-off-by: Jeff Kletsky <git-commits@allycomm.com>

Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
---
 include/linux/mtd/spinand.h | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h
index 507f7e289bd1..8aa39ac41e8e 100644
--- a/include/linux/mtd/spinand.h
+++ b/include/linux/mtd/spinand.h
@@ -68,30 +68,60 @@
 		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
 		   SPI_MEM_OP_DATA_IN(len, buf, 1))
 
+#define SPINAND_PAGE_READ_FROM_CACHE_OP_3A(fast, addr, ndummy, buf, len) \
+	SPI_MEM_OP(SPI_MEM_OP_CMD(fast ? 0x0b : 0x03, 1),		\
+		   SPI_MEM_OP_ADDR(3, addr, 1),				\
+		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
+		   SPI_MEM_OP_DATA_IN(len, buf, 1))
+
 #define SPINAND_PAGE_READ_FROM_CACHE_X2_OP(addr, ndummy, buf, len)	\
 	SPI_MEM_OP(SPI_MEM_OP_CMD(0x3b, 1),				\
 		   SPI_MEM_OP_ADDR(2, addr, 1),				\
 		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
 		   SPI_MEM_OP_DATA_IN(len, buf, 2))
 
+#define SPINAND_PAGE_READ_FROM_CACHE_X2_OP_3A(addr, ndummy, buf, len)	\
+	SPI_MEM_OP(SPI_MEM_OP_CMD(0x3b, 1),				\
+		   SPI_MEM_OP_ADDR(3, addr, 1),				\
+		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
+		   SPI_MEM_OP_DATA_IN(len, buf, 2))
+
 #define SPINAND_PAGE_READ_FROM_CACHE_X4_OP(addr, ndummy, buf, len)	\
 	SPI_MEM_OP(SPI_MEM_OP_CMD(0x6b, 1),				\
 		   SPI_MEM_OP_ADDR(2, addr, 1),				\
 		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
 		   SPI_MEM_OP_DATA_IN(len, buf, 4))
 
+#define SPINAND_PAGE_READ_FROM_CACHE_X4_OP_3A(addr, ndummy, buf, len)	\
+	SPI_MEM_OP(SPI_MEM_OP_CMD(0x6b, 1),				\
+		   SPI_MEM_OP_ADDR(3, addr, 1),				\
+		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
+		   SPI_MEM_OP_DATA_IN(len, buf, 4))
+
 #define SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(addr, ndummy, buf, len)	\
 	SPI_MEM_OP(SPI_MEM_OP_CMD(0xbb, 1),				\
 		   SPI_MEM_OP_ADDR(2, addr, 2),				\
 		   SPI_MEM_OP_DUMMY(ndummy, 2),				\
 		   SPI_MEM_OP_DATA_IN(len, buf, 2))
 
+#define SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP_3A(addr, ndummy, buf, len) \
+	SPI_MEM_OP(SPI_MEM_OP_CMD(0xbb, 1),				\
+		   SPI_MEM_OP_ADDR(3, addr, 2),				\
+		   SPI_MEM_OP_DUMMY(ndummy, 2),				\
+		   SPI_MEM_OP_DATA_IN(len, buf, 2))
+
 #define SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(addr, ndummy, buf, len)	\
 	SPI_MEM_OP(SPI_MEM_OP_CMD(0xeb, 1),				\
 		   SPI_MEM_OP_ADDR(2, addr, 4),				\
 		   SPI_MEM_OP_DUMMY(ndummy, 4),				\
 		   SPI_MEM_OP_DATA_IN(len, buf, 4))
 
+#define SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP_3A(addr, ndummy, buf, len) \
+	SPI_MEM_OP(SPI_MEM_OP_CMD(0xeb, 1),				\
+		   SPI_MEM_OP_ADDR(3, addr, 4),				\
+		   SPI_MEM_OP_DUMMY(ndummy, 4),				\
+		   SPI_MEM_OP_DATA_IN(len, buf, 4))
+
 #define SPINAND_PROG_EXEC_OP(addr)					\
 	SPI_MEM_OP(SPI_MEM_OP_CMD(0x10, 1),				\
 		   SPI_MEM_OP_ADDR(3, addr, 1),				\
-- 
2.20.1


  reply	other threads:[~2019-05-22 22:06 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-22 22:05 [PATCH v4 0/3] mtd: spinand: Add support for GigaDevice GD5F1GQ4UFxxG Jeff Kletsky
2019-05-22 22:05 ` Jeff Kletsky [this message]
2019-06-03  8:02   ` [PATCH v4 1/3] mtd: spinand: Define macros for page-read ops with three-byte addresses Miquel Raynal
2019-05-22 22:05 ` [PATCH v4 2/3] mtd: spinand: Add support for two-byte device IDs Jeff Kletsky
2019-06-03  8:02   ` Miquel Raynal
2019-05-22 22:05 ` [PATCH v4 3/3] mtd: spinand: Add support for GigaDevice GD5F1GQ4UFxxG Jeff Kletsky
2019-05-23  6:42   ` Schrempf Frieder
2019-05-24  0:12     ` Jeff Kletsky
2019-05-27  6:35       ` Schrempf Frieder
2019-05-27  9:28         ` Miquel Raynal
2019-06-03  8:02   ` Miquel Raynal
2019-05-23  6:56 ` [PATCH v4 0/3] " Schrempf Frieder

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