Commit 98dea8d7 authored by RogerCC Lin's avatar RogerCC Lin Committed by Boris Brezillon
Browse files

mtd: nand: mtk: Support MT7622 NAND flash controller. 



Add tables to support MT7622 NAND flash controller.

Signed-off-by: default avatarRogerCC Lin <rogercc.lin@mediatek.com>
Signed-off-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
parent b45ee550

drivers/mtd/nand/mtk_ecc.c

+26 −0
Original line number Diff line number Diff line
@@ -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_caps_mt2712 = { 
	.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_dt_match[] = { 
	}, {

		.compatible = "mediatek,mt2712-ecc",

		.data = &mtk_ecc_caps_mt2712,

	}, {

		.compatible = "mediatek,mt7622-ecc",

		.data = &mtk_ecc_caps_mt7622,

	},

	{},

};

drivers/mtd/nand/mtk_nand.c

+16 −0
Original line number Diff line number Diff line
@@ -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);
@@ -1400,6 +1404,15 @@ static const struct mtk_nfc_caps mtk_nfc_caps_mt2712 = { 
	.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",
@@ -1407,6 +1420,9 @@ static const struct of_device_id mtk_nfc_id_table[] = { 
	}, {

		.compatible = "mediatek,mt2712-nfc",

		.data = &mtk_nfc_caps_mt2712,

	}, {

		.compatible = "mediatek,mt7622-nfc",

		.data = &mtk_nfc_caps_mt7622,

	},

	{}

};