82 lines
3.0 KiB
Diff
82 lines
3.0 KiB
Diff
From d014717d50b1efd011a3a028ce92563a4dc9bae5 Mon Sep 17 00:00:00 2001
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From: Jeff Kletsky <git-commits@allycomm.com>
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Date: Wed, 22 May 2019 15:05:53 -0700
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Subject: [PATCH 1/3] mtd: spinand: Define macros for page-read ops with
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three-byte addresses
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The GigaDevice GD5F1GQ4UFxxG SPI NAND utilizes three-byte addresses
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for its page-read ops.
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http://www.gigadevice.com/datasheet/gd5f1gq4xfxxg/
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Signed-off-by: Jeff Kletsky <git-commits@allycomm.com>
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Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
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Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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---
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include/linux/mtd/spinand.h | 30 ++++++++++++++++++++++++++++++
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1 file changed, 30 insertions(+)
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--- a/include/linux/mtd/spinand.h
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+++ b/include/linux/mtd/spinand.h
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@@ -68,30 +68,60 @@
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SPI_MEM_OP_DUMMY(ndummy, 1), \
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SPI_MEM_OP_DATA_IN(len, buf, 1))
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+#define SPINAND_PAGE_READ_FROM_CACHE_OP_3A(fast, addr, ndummy, buf, len) \
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+ SPI_MEM_OP(SPI_MEM_OP_CMD(fast ? 0x0b : 0x03, 1), \
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+ SPI_MEM_OP_ADDR(3, addr, 1), \
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+ SPI_MEM_OP_DUMMY(ndummy, 1), \
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+ SPI_MEM_OP_DATA_IN(len, buf, 1))
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+
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#define SPINAND_PAGE_READ_FROM_CACHE_X2_OP(addr, ndummy, buf, len) \
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SPI_MEM_OP(SPI_MEM_OP_CMD(0x3b, 1), \
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SPI_MEM_OP_ADDR(2, addr, 1), \
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SPI_MEM_OP_DUMMY(ndummy, 1), \
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SPI_MEM_OP_DATA_IN(len, buf, 2))
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+#define SPINAND_PAGE_READ_FROM_CACHE_X2_OP_3A(addr, ndummy, buf, len) \
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+ SPI_MEM_OP(SPI_MEM_OP_CMD(0x3b, 1), \
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+ SPI_MEM_OP_ADDR(3, addr, 1), \
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+ SPI_MEM_OP_DUMMY(ndummy, 1), \
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+ SPI_MEM_OP_DATA_IN(len, buf, 2))
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+
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#define SPINAND_PAGE_READ_FROM_CACHE_X4_OP(addr, ndummy, buf, len) \
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SPI_MEM_OP(SPI_MEM_OP_CMD(0x6b, 1), \
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SPI_MEM_OP_ADDR(2, addr, 1), \
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SPI_MEM_OP_DUMMY(ndummy, 1), \
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SPI_MEM_OP_DATA_IN(len, buf, 4))
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+#define SPINAND_PAGE_READ_FROM_CACHE_X4_OP_3A(addr, ndummy, buf, len) \
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+ SPI_MEM_OP(SPI_MEM_OP_CMD(0x6b, 1), \
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+ SPI_MEM_OP_ADDR(3, addr, 1), \
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+ SPI_MEM_OP_DUMMY(ndummy, 1), \
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+ SPI_MEM_OP_DATA_IN(len, buf, 4))
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+
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#define SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(addr, ndummy, buf, len) \
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SPI_MEM_OP(SPI_MEM_OP_CMD(0xbb, 1), \
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SPI_MEM_OP_ADDR(2, addr, 2), \
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SPI_MEM_OP_DUMMY(ndummy, 2), \
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SPI_MEM_OP_DATA_IN(len, buf, 2))
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+#define SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP_3A(addr, ndummy, buf, len) \
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+ SPI_MEM_OP(SPI_MEM_OP_CMD(0xbb, 1), \
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+ SPI_MEM_OP_ADDR(3, addr, 2), \
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+ SPI_MEM_OP_DUMMY(ndummy, 2), \
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+ SPI_MEM_OP_DATA_IN(len, buf, 2))
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+
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#define SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(addr, ndummy, buf, len) \
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SPI_MEM_OP(SPI_MEM_OP_CMD(0xeb, 1), \
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SPI_MEM_OP_ADDR(2, addr, 4), \
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SPI_MEM_OP_DUMMY(ndummy, 4), \
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SPI_MEM_OP_DATA_IN(len, buf, 4))
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+#define SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP_3A(addr, ndummy, buf, len) \
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+ SPI_MEM_OP(SPI_MEM_OP_CMD(0xeb, 1), \
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+ SPI_MEM_OP_ADDR(3, addr, 4), \
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+ SPI_MEM_OP_DUMMY(ndummy, 4), \
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+ SPI_MEM_OP_DATA_IN(len, buf, 4))
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+
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#define SPINAND_PROG_EXEC_OP(addr) \
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SPI_MEM_OP(SPI_MEM_OP_CMD(0x10, 1), \
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SPI_MEM_OP_ADDR(3, addr, 1), \
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