target/linux/mediatek/patches-4.14/0167-mtd-nand-mtk-Support-MT7622-NAND-flash-controller.patch

   1 From f395a149fbbc190afbadbdcf9ce95f85f78da22f Mon Sep 17 00:00:00 2001
   2 From: RogerCC Lin <rogercc.lin@mediatek.com>
   3 Date: Thu, 30 Nov 2017 22:10:45 +0800
   4 Subject: [PATCH 167/224] mtd: nand: mtk: Support MT7622 NAND flash controller.
   5
   6 Add tables to support MT7622 NAND flash controller.
   7
   8 Signed-off-by: RogerCC Lin <rogercc.lin@mediatek.com>
   9 Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
  10 ---
  11  drivers/mtd/nand/mtk_ecc.c  | 26 ++++++++++++++++++++++++++
  12  drivers/mtd/nand/mtk_nand.c | 16 ++++++++++++++++
  13  2 files changed, 42 insertions(+)
  14
  15 diff --git a/drivers/mtd/nand/mtk_ecc.c b/drivers/mtd/nand/mtk_ecc.c
  16 index 6610eefaa92b..40d86a861a70 100644
  17 --- a/drivers/mtd/nand/mtk_ecc.c
  18 +++ b/drivers/mtd/nand/mtk_ecc.c
  19 @@ -83,6 +83,10 @@ static const u8 ecc_strength_mt2712[] = {
  20         40, 44, 48, 52, 56, 60, 68, 72, 80
  21  };
  22
  23 +static const u8 ecc_strength_mt7622[] = {
  24 +       4, 6, 8, 10, 12, 14, 16
  25 +};
  26 +
  27  enum mtk_ecc_regs {
  28         ECC_ENCPAR00,
  29         ECC_ENCIRQ_EN,
  30 @@ -110,6 +114,15 @@ static int mt2712_ecc_regs[] = {
  31         [ECC_DECIRQ_STA] =      0x204,
  32  };
  33
  34 +static int mt7622_ecc_regs[] = {
  35 +       [ECC_ENCPAR00] =        0x10,
  36 +       [ECC_ENCIRQ_EN] =       0x30,
  37 +       [ECC_ENCIRQ_STA] =      0x34,
  38 +       [ECC_DECDONE] =         0x11c,
  39 +       [ECC_DECIRQ_EN] =       0x140,
  40 +       [ECC_DECIRQ_STA] =      0x144,
  41 +};
  42 +
  43  static inline void mtk_ecc_wait_idle(struct mtk_ecc *ecc,
  44                                      enum mtk_ecc_operation op)
  45  {
  46 @@ -458,6 +471,16 @@ static const struct mtk_ecc_caps mtk_ecc_caps_mt2712 = {
  47         .pg_irq_sel = 1,
  48  };
  49
  50 +static const struct mtk_ecc_caps mtk_ecc_caps_mt7622 = {
  51 +       .err_mask = 0x3f,
  52 +       .ecc_strength = ecc_strength_mt7622,
  53 +       .ecc_regs = mt7622_ecc_regs,
  54 +       .num_ecc_strength = 7,
  55 +       .ecc_mode_shift = 4,
  56 +       .parity_bits = 13,
  57 +       .pg_irq_sel = 0,
  58 +};
  59 +
  60  static const struct of_device_id mtk_ecc_dt_match[] = {
  61         {
  62                 .compatible = "mediatek,mt2701-ecc",
  63 @@ -465,6 +488,9 @@ static const struct of_device_id mtk_ecc_dt_match[] = {
  64         }, {
  65                 .compatible = "mediatek,mt2712-ecc",
  66                 .data = &mtk_ecc_caps_mt2712,
  67 +       }, {
  68 +               .compatible = "mediatek,mt7622-ecc",
  69 +               .data = &mtk_ecc_caps_mt7622,
  70         },
  71         {},
  72  };
  73 diff --git a/drivers/mtd/nand/mtk_nand.c b/drivers/mtd/nand/mtk_nand.c
  74 index 7349aa846f9a..8f71b405d639 100644
  75 --- a/drivers/mtd/nand/mtk_nand.c
  76 +++ b/drivers/mtd/nand/mtk_nand.c
  77 @@ -174,6 +174,10 @@ static const u8 spare_size_mt2712[] = {
  78         74
  79  };
  80
  81 +static const u8 spare_size_mt7622[] = {
  82 +       16, 26, 27, 28
  83 +};
  84 +
  85  static inline struct mtk_nfc_nand_chip *to_mtk_nand(struct nand_chip *nand)
  86  {
  87         return container_of(nand, struct mtk_nfc_nand_chip, nand);
  88 @@ -1409,6 +1413,15 @@ static const struct mtk_nfc_caps mtk_nfc_caps_mt2712 = {
  89         .max_sector_size = 1024,
  90  };
  91
  92 +static const struct mtk_nfc_caps mtk_nfc_caps_mt7622 = {
  93 +       .spare_size = spare_size_mt7622,
  94 +       .num_spare_size = 4,
  95 +       .pageformat_spare_shift = 4,
  96 +       .nfi_clk_div = 1,
  97 +       .max_sector = 8,
  98 +       .max_sector_size = 512,
  99 +};
 100 +
 101  static const struct of_device_id mtk_nfc_id_table[] = {
 102         {
 103                 .compatible = "mediatek,mt2701-nfc",
 104 @@ -1416,6 +1429,9 @@ static const struct of_device_id mtk_nfc_id_table[] = {
 105         }, {
 106                 .compatible = "mediatek,mt2712-nfc",
 107                 .data = &mtk_nfc_caps_mt2712,
 108 +       }, {
 109 +               .compatible = "mediatek,mt7622-nfc",
 110 +               .data = &mtk_nfc_caps_mt7622,
 111         },
 112         {}
 113  };
 114 --
 115 2.11.0
 116