From f395a149fbbc190afbadbdcf9ce95f85f78da22f Mon Sep 17 00:00:00 2001 From: RogerCC Lin Date: Thu, 30 Nov 2017 22:10:45 +0800 Subject: [PATCH 167/224] mtd: nand: mtk: Support MT7622 NAND flash controller. Add tables to support MT7622 NAND flash controller. Signed-off-by: RogerCC Lin Signed-off-by: Boris Brezillon --- drivers/mtd/nand/mtk_ecc.c | 26 ++++++++++++++++++++++++++ drivers/mtd/nand/mtk_nand.c | 16 ++++++++++++++++ 2 files changed, 42 insertions(+) --- a/drivers/mtd/nand/mtk_ecc.c +++ b/drivers/mtd/nand/mtk_ecc.c @@ -83,6 +83,10 @@ static const u8 ecc_strength_mt2712[] = 40, 44, 48, 52, 56, 60, 68, 72, 80 }; +static const u8 ecc_strength_mt7622[] = { + 4, 6, 8, 10, 12, 14, 16 +}; + enum mtk_ecc_regs { ECC_ENCPAR00, ECC_ENCIRQ_EN, @@ -110,6 +114,15 @@ static int mt2712_ecc_regs[] = { [ECC_DECIRQ_STA] = 0x204, }; +static int mt7622_ecc_regs[] = { + [ECC_ENCPAR00] = 0x10, + [ECC_ENCIRQ_EN] = 0x30, + [ECC_ENCIRQ_STA] = 0x34, + [ECC_DECDONE] = 0x11c, + [ECC_DECIRQ_EN] = 0x140, + [ECC_DECIRQ_STA] = 0x144, +}; + static inline void mtk_ecc_wait_idle(struct mtk_ecc *ecc, enum mtk_ecc_operation op) { @@ -458,6 +471,16 @@ static const struct mtk_ecc_caps mtk_ecc .pg_irq_sel = 1, }; +static const struct mtk_ecc_caps mtk_ecc_caps_mt7622 = { + .err_mask = 0x3f, + .ecc_strength = ecc_strength_mt7622, + .ecc_regs = mt7622_ecc_regs, + .num_ecc_strength = 7, + .ecc_mode_shift = 4, + .parity_bits = 13, + .pg_irq_sel = 0, +}; + static const struct of_device_id mtk_ecc_dt_match[] = { { .compatible = "mediatek,mt2701-ecc", @@ -465,6 +488,9 @@ static const struct of_device_id mtk_ecc }, { .compatible = "mediatek,mt2712-ecc", .data = &mtk_ecc_caps_mt2712, + }, { + .compatible = "mediatek,mt7622-ecc", + .data = &mtk_ecc_caps_mt7622, }, {}, }; --- a/drivers/mtd/nand/mtk_nand.c +++ b/drivers/mtd/nand/mtk_nand.c @@ -174,6 +174,10 @@ static const u8 spare_size_mt2712[] = { 74 }; +static const u8 spare_size_mt7622[] = { + 16, 26, 27, 28 +}; + static inline struct mtk_nfc_nand_chip *to_mtk_nand(struct nand_chip *nand) { return container_of(nand, struct mtk_nfc_nand_chip, nand); @@ -1408,6 +1412,15 @@ static const struct mtk_nfc_caps mtk_nfc .max_sector_size = 1024, }; +static const struct mtk_nfc_caps mtk_nfc_caps_mt7622 = { + .spare_size = spare_size_mt7622, + .num_spare_size = 4, + .pageformat_spare_shift = 4, + .nfi_clk_div = 1, + .max_sector = 8, + .max_sector_size = 512, +}; + static const struct of_device_id mtk_nfc_id_table[] = { { .compatible = "mediatek,mt2701-nfc", @@ -1415,6 +1428,9 @@ static const struct of_device_id mtk_nfc }, { .compatible = "mediatek,mt2712-nfc", .data = &mtk_nfc_caps_mt2712, + }, { + .compatible = "mediatek,mt7622-nfc", + .data = &mtk_nfc_caps_mt7622, }, {} };