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Date:   Tue, 29 Dec 2020 14:50:58 +0900
From:   Daniel Palmer <daniel@...f.com>
To:     linux-mtd@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, miquel.raynal@...tlin.com,
        richard@....at, vigneshr@...com, Daniel Palmer <daniel@...f.com>
Subject: [PATCH 0/1] Add basic support for Foresee SPI NAND

This is my very crude attempt at adding support for Longsys'
Foresee branded SPI NAND parts that are showing up on some
boards.

I fully admit I have no idea what I'm doing here and I basically
took one of the existing files, ripped out what I didn't
understand and tried to fill in the numbers from the datasheet
without really knowing what they mean.

This worked well enough for me to get something that looks like
a correct dump of the SPI NAND from a board I'm working with.
I need the vendor firmware on the board for reverse engineering
so I haven't actually tried to write anything yet.

The datasheet for this chip is linked. If someone that actually
knows what they're doing could take a look and point out my
mistakes that would be great.

Link: https://datasheet.lcsc.com/szlcsc/2008121142_FORESEE-FS35ND01G-S1Y2QWFI000_C719495.pdf

Daniel Palmer (1):
  mtd: spinand: add support for Foresee FS35ND01G

 drivers/mtd/nand/spi/Makefile  |  2 +-
 drivers/mtd/nand/spi/core.c    |  1 +
 drivers/mtd/nand/spi/longsys.c | 45 ++++++++++++++++++++++++++++++++++
 include/linux/mtd/spinand.h    |  1 +
 4 files changed, 48 insertions(+), 1 deletion(-)
 create mode 100644 drivers/mtd/nand/spi/longsys.c

-- 
2.30.0.rc2

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