target/linux/ramips/patches-4.9/0040-nand-hack.patch

   1 --- a/drivers/mtd/nand/nand_base.c
   2 +++ b/drivers/mtd/nand/nand_base.c
   3 @@ -2022,6 +2022,9 @@ static int nand_do_read_ops(struct mtd_i
   4                                                  __func__, buf);
   5
   6  read_retry:
   7 +#ifdef CONFIG_MTK_MTD_NAND
   8 +                       ret = chip->read_page(mtd, chip, bufpoi, page);
   9 +#else
  10                         chip->cmdfunc(mtd, NAND_CMD_READ0, 0x00, page);
  11
  12                         /*
  13 @@ -2040,6 +2043,7 @@ read_retry:
  14                         else
  15                                 ret = chip->ecc.read_page(mtd, chip, bufpoi,
  16                                                           oob_required, page);
  17 +#endif
  18                         if (ret < 0) {
  19                                 if (use_bufpoi)
  20                                         /* Invalidate page cache */
  21 @@ -3206,8 +3210,11 @@ int nand_erase_nand(struct mtd_info *mtd
  22                     (page + pages_per_block))
  23                         chip->pagebuf = -1;
  24
  25 +#ifdef CONFIG_MTK_MTD_NAND
  26 +               status = chip->erase_mtk(mtd, page & chip->pagemask);
  27 +#else
  28                 status = chip->erase(mtd, page & chip->pagemask);
  29 -
  30 +#endif
  31                 /*
  32                  * See if operation failed and additional status checks are
  33                  * available
  34 @@ -4401,6 +4408,7 @@ int nand_scan_ident(struct mtd_info *mtd
  35                  * cmdfunc() both expect cmd_ctrl() to be populated,
  36                  * so we need to check that that's the case
  37                  */
  38 +               printk("%s:%s[%d]%p %p %p\n", __FILE__, __func__, __LINE__, chip->cmdfunc, chip->select_chip, chip->cmd_ctrl);
  39                 pr_err("chip.cmd_ctrl() callback is not provided");
  40                 return -EINVAL;
  41         }
  42 --- a/drivers/mtd/nand/nand_device_list.h
  43 +++ b/drivers/mtd/nand/nand_device_list.h
  44 @@ -44,6 +44,8 @@ static const flashdev_info gen_FlashTabl
  45         {0xADBC, 0x905554, 5, 16, 512, 128, 2048, 64, 0x10801011, "H9DA4GH4JJAMC", 0},
  46      {0x01F1, 0x801D01, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "S34ML01G100TF", 0},
  47      {0x92F1, 0x8095FF, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "F59L1G81A", 0},
  48 +       {0xC8DA, 0x909544, 5, 8, 256, 128, 2048, 64, 0x30C77fff, "F59L2G81A", 0},
  49 +       {0xC8DC, 0x909554, 5, 8, 512, 128, 2048, 64, 0x30C77fff, "F59L4G81A", 0},
  50         {0xECD3, 0x519558, 5, 8, 1024, 128, 2048, 64, 0x44333, "K9K8G8000", 0},
  51      {0xC2F1, 0x801DC2, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "MX30LF1G08AA", 0},
  52      {0x98D3, 0x902676, 5, 8, 1024, 256, 4096, 224, 0x00C25332, "TC58NVG3S0F", 0},
  53 --- a/include/linux/mtd/nand.h
  54 +++ b/include/linux/mtd/nand.h
  55 @@ -825,6 +825,10 @@ struct nand_chip {
  56                                     const struct nand_data_interface *conf,
  57                                     bool check_only);
  58
  59 +#ifdef CONFIG_MTK_MTD_NAND
  60 +       int (*read_page)(struct mtd_info *mtd, struct nand_chip *chip, u8 *buf, int page);
  61 +       int (*erase_mtk)(struct mtd_info *mtd, int page);
  62 +#endif /* CONFIG_MTK_MTD_NAND */
  63
  64         int chip_delay;
  65         unsigned int options;