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Subject[PATCH v2 1/3] mtd: spinand: Add #define-s for page-read ops with three-byte addresses
Date
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>
---
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 b92e2aa955b6..05fe98eebe27 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
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