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

   1 From db214513f62fd13c0a9af3bd5c5d634dba37e65d Mon Sep 17 00:00:00 2001
   2 From: Yoshio Furuyama <tmcmc-mb-yfuruyama7@ml.toshiba.co.jp>
   3 Date: Wed, 16 Jan 2019 14:53:19 +0900
   4 Subject: [PATCH 7/8] mtd: spinand: Add support for all Toshiba Memory products
   5
   6 Add device table for Toshiba Memory products.
   7 Also, generalize OOB layout structure and function names.
   8
   9 Signed-off-by: Yoshio Furuyama <tmcmc-mb-yfuruyama7@ml.toshiba.co.jp>
  10 Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
  11 Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
  12 ---
  13  drivers/mtd/nand/spi/toshiba.c | 79 ++++++++++++++++++++++++++++------
  14  1 file changed, 65 insertions(+), 14 deletions(-)
  15
  16 --- a/drivers/mtd/nand/spi/toshiba.c
  17 +++ b/drivers/mtd/nand/spi/toshiba.c
  18 @@ -25,19 +25,19 @@ static SPINAND_OP_VARIANTS(write_cache_v
  19  static SPINAND_OP_VARIANTS(update_cache_variants,
  20                 SPINAND_PROG_LOAD(false, 0, NULL, 0));
  21
  22 -static int tc58cvg2s0h_ooblayout_ecc(struct mtd_info *mtd, int section,
  23 +static int tc58cxgxsx_ooblayout_ecc(struct mtd_info *mtd, int section,
  24                                      struct mtd_oob_region *region)
  25  {
  26 -       if (section > 7)
  27 +       if (section > 0)
  28                 return -ERANGE;
  29
  30 -       region->offset = 128 + 16 * section;
  31 -       region->length = 16;
  32 +       region->offset = mtd->oobsize / 2;
  33 +       region->length = mtd->oobsize / 2;
  34
  35         return 0;
  36  }
  37
  38 -static int tc58cvg2s0h_ooblayout_free(struct mtd_info *mtd, int section,
  39 +static int tc58cxgxsx_ooblayout_free(struct mtd_info *mtd, int section,
  40                                       struct mtd_oob_region *region)
  41  {
  42         if (section > 0)
  43 @@ -45,17 +45,17 @@ static int tc58cvg2s0h_ooblayout_free(st
  44
  45         /* 2 bytes reserved for BBM */
  46         region->offset = 2;
  47 -       region->length = 126;
  48 +       region->length = (mtd->oobsize / 2) - 2;
  49
  50         return 0;
  51  }
  52
  53 -static const struct mtd_ooblayout_ops tc58cvg2s0h_ooblayout = {
  54 -       .ecc = tc58cvg2s0h_ooblayout_ecc,
  55 -       .free = tc58cvg2s0h_ooblayout_free,
  56 +static const struct mtd_ooblayout_ops tc58cxgxsx_ooblayout = {
  57 +       .ecc = tc58cxgxsx_ooblayout_ecc,
  58 +       .free = tc58cxgxsx_ooblayout_free,
  59  };
  60
  61 -static int tc58cvg2s0h_ecc_get_status(struct spinand_device *spinand,
  62 +static int tc58cxgxsx_ecc_get_status(struct spinand_device *spinand,
  63                                       u8 status)
  64  {
  65         struct nand_device *nand = spinand_to_nand(spinand);
  66 @@ -94,15 +94,66 @@ static int tc58cvg2s0h_ecc_get_status(st
  67  }
  68
  69  static const struct spinand_info toshiba_spinand_table[] = {
  70 -       SPINAND_INFO("TC58CVG2S0H", 0xCD,
  71 +       /* 3.3V 1Gb */
  72 +       SPINAND_INFO("TC58CVG0S3", 0xC2,
  73 +                    NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
  74 +                    NAND_ECCREQ(8, 512),
  75 +                    SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
  76 +                                             &write_cache_variants,
  77 +                                             &update_cache_variants),
  78 +                    0,
  79 +                    SPINAND_ECCINFO(&tc58cxgxsx_ooblayout,
  80 +                                    tc58cxgxsx_ecc_get_status)),
  81 +       /* 3.3V 2Gb */
  82 +       SPINAND_INFO("TC58CVG1S3", 0xCB,
  83 +                    NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
  84 +                    NAND_ECCREQ(8, 512),
  85 +                    SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
  86 +                                             &write_cache_variants,
  87 +                                             &update_cache_variants),
  88 +                    0,
  89 +                    SPINAND_ECCINFO(&tc58cxgxsx_ooblayout,
  90 +                                    tc58cxgxsx_ecc_get_status)),
  91 +       /* 3.3V 4Gb */
  92 +       SPINAND_INFO("TC58CVG2S0", 0xCD,
  93 +                    NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
  94 +                    NAND_ECCREQ(8, 512),
  95 +                    SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
  96 +                                             &write_cache_variants,
  97 +                                             &update_cache_variants),
  98 +                    0,
  99 +                    SPINAND_ECCINFO(&tc58cxgxsx_ooblayout,
 100 +                                    tc58cxgxsx_ecc_get_status)),
 101 +       /* 1.8V 1Gb */
 102 +       SPINAND_INFO("TC58CYG0S3", 0xB2,
 103 +                    NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
 104 +                    NAND_ECCREQ(8, 512),
 105 +                    SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
 106 +                                             &write_cache_variants,
 107 +                                             &update_cache_variants),
 108 +                    0,
 109 +                    SPINAND_ECCINFO(&tc58cxgxsx_ooblayout,
 110 +                                    tc58cxgxsx_ecc_get_status)),
 111 +       /* 1.8V 2Gb */
 112 +       SPINAND_INFO("TC58CYG1S3", 0xBB,
 113 +                    NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
 114 +                    NAND_ECCREQ(8, 512),
 115 +                    SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
 116 +                                             &write_cache_variants,
 117 +                                             &update_cache_variants),
 118 +                    0,
 119 +                    SPINAND_ECCINFO(&tc58cxgxsx_ooblayout,
 120 +                                    tc58cxgxsx_ecc_get_status)),
 121 +       /* 1.8V 4Gb */
 122 +       SPINAND_INFO("TC58CYG2S0", 0xBD,
 123                      NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
 124                      NAND_ECCREQ(8, 512),
 125                      SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
 126                                               &write_cache_variants,
 127                                               &update_cache_variants),
 128 -                    SPINAND_HAS_QE_BIT,
 129 -                    SPINAND_ECCINFO(&tc58cvg2s0h_ooblayout,
 130 -                                    tc58cvg2s0h_ecc_get_status)),
 131 +                    0,
 132 +                    SPINAND_ECCINFO(&tc58cxgxsx_ooblayout,
 133 +                                    tc58cxgxsx_ecc_get_status)),
 134  };
 135
 136  static int toshiba_spinand_detect(struct spinand_device *spinand)