git.openwrt.org Git - openwrt/staging/981213.git/blob

   1 From d014717d50b1efd011a3a028ce92563a4dc9bae5 Mon Sep 17 00:00:00 2001
   2 From: Jeff Kletsky <git-commits@allycomm.com>
   3 Date: Wed, 22 May 2019 15:05:53 -0700
   4 Subject: [PATCH 1/3] mtd: spinand: Define macros for page-read ops with
   5  three-byte addresses
   6
   7 The GigaDevice GD5F1GQ4UFxxG SPI NAND utilizes three-byte addresses
   8 for its page-read ops.
   9
  10 http://www.gigadevice.com/datasheet/gd5f1gq4xfxxg/
  11
  12 Signed-off-by: Jeff Kletsky <git-commits@allycomm.com>
  13 Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
  14 Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
  15 ---
  16  include/linux/mtd/spinand.h | 30 ++++++++++++++++++++++++++++++
  17  1 file changed, 30 insertions(+)
  18
  19 --- a/include/linux/mtd/spinand.h
  20 +++ b/include/linux/mtd/spinand.h
  21 @@ -68,30 +68,60 @@
  22                    SPI_MEM_OP_DUMMY(ndummy, 1),                         \
  23                    SPI_MEM_OP_DATA_IN(len, buf, 1))
  24
  25 +#define SPINAND_PAGE_READ_FROM_CACHE_OP_3A(fast, addr, ndummy, buf, len) \
  26 +       SPI_MEM_OP(SPI_MEM_OP_CMD(fast ? 0x0b : 0x03, 1),               \
  27 +                  SPI_MEM_OP_ADDR(3, addr, 1),                         \
  28 +                  SPI_MEM_OP_DUMMY(ndummy, 1),                         \
  29 +                  SPI_MEM_OP_DATA_IN(len, buf, 1))
  30 +
  31  #define SPINAND_PAGE_READ_FROM_CACHE_X2_OP(addr, ndummy, buf, len)     \
  32         SPI_MEM_OP(SPI_MEM_OP_CMD(0x3b, 1),                             \
  33                    SPI_MEM_OP_ADDR(2, addr, 1),                         \
  34                    SPI_MEM_OP_DUMMY(ndummy, 1),                         \
  35                    SPI_MEM_OP_DATA_IN(len, buf, 2))
  36
  37 +#define SPINAND_PAGE_READ_FROM_CACHE_X2_OP_3A(addr, ndummy, buf, len)  \
  38 +       SPI_MEM_OP(SPI_MEM_OP_CMD(0x3b, 1),                             \
  39 +                  SPI_MEM_OP_ADDR(3, addr, 1),                         \
  40 +                  SPI_MEM_OP_DUMMY(ndummy, 1),                         \
  41 +                  SPI_MEM_OP_DATA_IN(len, buf, 2))
  42 +
  43  #define SPINAND_PAGE_READ_FROM_CACHE_X4_OP(addr, ndummy, buf, len)     \
  44         SPI_MEM_OP(SPI_MEM_OP_CMD(0x6b, 1),                             \
  45                    SPI_MEM_OP_ADDR(2, addr, 1),                         \
  46                    SPI_MEM_OP_DUMMY(ndummy, 1),                         \
  47                    SPI_MEM_OP_DATA_IN(len, buf, 4))
  48
  49 +#define SPINAND_PAGE_READ_FROM_CACHE_X4_OP_3A(addr, ndummy, buf, len)  \
  50 +       SPI_MEM_OP(SPI_MEM_OP_CMD(0x6b, 1),                             \
  51 +                  SPI_MEM_OP_ADDR(3, addr, 1),                         \
  52 +                  SPI_MEM_OP_DUMMY(ndummy, 1),                         \
  53 +                  SPI_MEM_OP_DATA_IN(len, buf, 4))
  54 +
  55  #define SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(addr, ndummy, buf, len) \
  56         SPI_MEM_OP(SPI_MEM_OP_CMD(0xbb, 1),                             \
  57                    SPI_MEM_OP_ADDR(2, addr, 2),                         \
  58                    SPI_MEM_OP_DUMMY(ndummy, 2),                         \
  59                    SPI_MEM_OP_DATA_IN(len, buf, 2))
  60
  61 +#define SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP_3A(addr, ndummy, buf, len) \
  62 +       SPI_MEM_OP(SPI_MEM_OP_CMD(0xbb, 1),                             \
  63 +                  SPI_MEM_OP_ADDR(3, addr, 2),                         \
  64 +                  SPI_MEM_OP_DUMMY(ndummy, 2),                         \
  65 +                  SPI_MEM_OP_DATA_IN(len, buf, 2))
  66 +
  67  #define SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(addr, ndummy, buf, len) \
  68         SPI_MEM_OP(SPI_MEM_OP_CMD(0xeb, 1),                             \
  69                    SPI_MEM_OP_ADDR(2, addr, 4),                         \
  70                    SPI_MEM_OP_DUMMY(ndummy, 4),                         \
  71                    SPI_MEM_OP_DATA_IN(len, buf, 4))
  72
  73 +#define SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP_3A(addr, ndummy, buf, len) \
  74 +       SPI_MEM_OP(SPI_MEM_OP_CMD(0xeb, 1),                             \
  75 +                  SPI_MEM_OP_ADDR(3, addr, 4),                         \
  76 +                  SPI_MEM_OP_DUMMY(ndummy, 4),                         \
  77 +                  SPI_MEM_OP_DATA_IN(len, buf, 4))
  78 +
  79  #define SPINAND_PROG_EXEC_OP(addr)                                     \
  80         SPI_MEM_OP(SPI_MEM_OP_CMD(0x10, 1),                             \
  81                    SPI_MEM_OP_ADDR(3, addr, 1),                         \