target/linux/generic/backport-4.19/450-v5.0-mtd-spinand-winbond-Add-support-for-W25N01GV.patch

   1 From 9a4d83074769d6ecf1f5c3fef0f183b09abf3726 Mon Sep 17 00:00:00 2001
   2 From: Robert Marko <robimarko@gmail.com>
   3 Date: Sat, 6 Oct 2018 17:36:42 +0200
   4 Subject: [PATCH 1/8] mtd: spinand: winbond: Add support for W25N01GV
   5
   6 W25N01GV is a single die version of the already supported
   7 W25M02GV with half the capacity. Everything else is the
   8 same so introduce support for W25N01GV.
   9
  10 Datasheet:http://www.winbond.com/resource-files/w25n01gv%20revl%20050918%20unsecured.pdf
  11
  12 Tested on 8devices Jalapeno dev board under OpenWrt running 4.19-rc5.
  13
  14 Signed-off-by: Robert Marko <robimarko@gmail.com>
  15 Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
  16 Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
  17 ---
  18  drivers/mtd/nand/spi/winbond.c | 8 ++++++++
  19  1 file changed, 8 insertions(+)
  20
  21 --- a/drivers/mtd/nand/spi/winbond.c
  22 +++ b/drivers/mtd/nand/spi/winbond.c
  23 @@ -84,6 +84,14 @@ static const struct spinand_info winbond
  24                      0,
  25                      SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL),
  26                      SPINAND_SELECT_TARGET(w25m02gv_select_target)),
  27 +       SPINAND_INFO("W25N01GV", 0xAA,
  28 +                    NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
  29 +                    NAND_ECCREQ(1, 512),
  30 +                    SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
  31 +                                             &write_cache_variants,
  32 +                                             &update_cache_variants),
  33 +                    0,
  34 +                    SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL)),
  35  };
  36
  37  /**