OpenWrt – Rev 4
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From f395a149fbbc190afbadbdcf9ce95f85f78da22f Mon Sep 17 00:00:00 2001
From: RogerCC Lin <rogercc.lin@mediatek.com>
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 <rogercc.lin@mediatek.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
---
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);
@@ -1409,6 +1413,15 @@ 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",
@@ -1416,6 +1429,9 @@ 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,
},
{}
};