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From: Santhosh Kumar K <s-k6@ti.com>
To: <miquel.raynal@bootlin.com>, <richard@nod.at>, <vigneshr@ti.com>,
	<quic_sridsn@quicinc.com>, <quic_mdalam@quicinc.com>
Cc: <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
	<p-mantena@ti.com>, <s-k6@ti.com>
Subject: [PATCH 1/3] mtd: spinand: Define OctalIO ops
Date: Thu, 2 Jan 2025 17:21:08 +0530	[thread overview]
Message-ID: <20250102115110.1402440-2-s-k6@ti.com> (raw)
In-Reply-To: <20250102115110.1402440-1-s-k6@ti.com>

Define the macros for Octal-based read and load operations on OSPI
NAND flashes.

Signed-off-by: Santhosh Kumar K <s-k6@ti.com>
---
 include/linux/mtd/spinand.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h
index cbbcd44ac225..b730e334e399 100644
--- a/include/linux/mtd/spinand.h
+++ b/include/linux/mtd/spinand.h
@@ -122,6 +122,12 @@
 		   SPI_MEM_OP_DUMMY(ndummy, 4),				\
 		   SPI_MEM_OP_DATA_IN(len, buf, 4))
 
+#define SPINAND_PAGE_READ_FROM_CACHE_OCTALIO_OP(addr, ndummy, buf, len) \
+	SPI_MEM_OP(SPI_MEM_OP_CMD(0xcb, 1),				\
+		   SPI_MEM_OP_ADDR(2, addr, 8),				\
+		   SPI_MEM_OP_DUMMY(ndummy, 8),				\
+		   SPI_MEM_OP_DATA_IN(len, buf, 8))
+
 #define SPINAND_PROG_EXEC_OP(addr)					\
 	SPI_MEM_OP(SPI_MEM_OP_CMD(0x10, 1),				\
 		   SPI_MEM_OP_ADDR(3, addr, 1),				\
@@ -140,6 +146,12 @@
 		   SPI_MEM_OP_NO_DUMMY,					\
 		   SPI_MEM_OP_DATA_OUT(len, buf, 4))
 
+#define SPINAND_PROG_LOAD_OCTALIO(reset, addr, buf, len)		\
+	SPI_MEM_OP(SPI_MEM_OP_CMD(reset ? 0xc2 : 0xc4, 1),		\
+		   SPI_MEM_OP_ADDR(2, addr, 8),				\
+		   SPI_MEM_OP_NO_DUMMY,					\
+		   SPI_MEM_OP_DATA_OUT(len, buf, 8))
+
 /**
  * Standard SPI NAND flash commands
  */
-- 
2.34.1


  reply	other threads:[~2025-01-02 11:51 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-02 11:51 [PATCH 0/3] Add OSPI NAND support Santhosh Kumar K
2025-01-02 11:51 ` Santhosh Kumar K [this message]
2025-01-15 19:19   ` [PATCH 1/3] mtd: spinand: Define OctalIO ops Miquel Raynal
2025-01-27  6:48     ` Santhosh Kumar K
2025-01-02 11:51 ` [PATCH 2/3] mtd: spinand: winbond: Add support for W35N01JW Santhosh Kumar K
2025-01-02 11:51 ` [PATCH 3/3] mtd: spinand: winbond: Fix oob_layout for W25N01JW Santhosh Kumar K
2025-01-15 19:16   ` Miquel Raynal
2025-01-27  6:48     ` Santhosh Kumar K

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