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[PATCH v6 5/5] mtd: nand: ecc-mtk: Add ECC support fot MT7986 IC

Xiangsheng Hou posted 5 patches 1 year, 9 months ago
[PATCH v6 5/5] mtd: nand: ecc-mtk: Add ECC support fot MT7986 IC
Posted by Xiangsheng Hou 1 year, 9 months ago 
Add ECC support fot MT7986 IC, and change err_mask value with
GENMASK macro.

Signed-off-by: Xiangsheng Hou <xiangsheng.hou@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 drivers/mtd/nand/ecc-mtk.c | 28 +++++++++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/ecc-mtk.c b/drivers/mtd/nand/ecc-mtk.c
index 9f9b201fe706..c75bb8b80cc1 100644
--- a/drivers/mtd/nand/ecc-mtk.c
+++ b/drivers/mtd/nand/ecc-mtk.c
@@ -40,6 +40,10 @@
 #define ECC_IDLE_REG(op)	((op) == ECC_ENCODE ? ECC_ENCIDLE : ECC_DECIDLE)
 #define ECC_CTL_REG(op)		((op) == ECC_ENCODE ? ECC_ENCCON : ECC_DECCON)
 
+#define ECC_ERRMASK_MT7622	GENMASK(4, 0)
+#define ECC_ERRMASK_MT2701	GENMASK(5, 0)
+#define ECC_ERRMASK_MT2712	GENMASK(6, 0)
+
 struct mtk_ecc_caps {
 	u32 err_mask;
 	u32 err_shift;
@@ -79,6 +83,10 @@ static const u8 ecc_strength_mt7622[] = {
 	4, 6, 8, 10, 12
 };
 
+static const u8 ecc_strength_mt7986[] = {
+	4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24
+};
+
 enum mtk_ecc_regs {
 	ECC_ENCPAR00,
 	ECC_ENCIRQ_EN,
@@ -451,7 +459,7 @@ unsigned int mtk_ecc_get_parity_bits(struct mtk_ecc *ecc)
 EXPORT_SYMBOL(mtk_ecc_get_parity_bits);
 
 static const struct mtk_ecc_caps mtk_ecc_caps_mt2701 = {
-	.err_mask = 0x3f,
+	.err_mask = ECC_ERRMASK_MT2701,
 	.err_shift = 8,
 	.ecc_strength = ecc_strength_mt2701,
 	.ecc_regs = mt2701_ecc_regs,
@@ -462,7 +470,7 @@ static const struct mtk_ecc_caps mtk_ecc_caps_mt2701 = {
 };
 
 static const struct mtk_ecc_caps mtk_ecc_caps_mt2712 = {
-	.err_mask = 0x7f,
+	.err_mask = ECC_ERRMASK_MT2712,
 	.err_shift = 8,
 	.ecc_strength = ecc_strength_mt2712,
 	.ecc_regs = mt2712_ecc_regs,
@@ -473,7 +481,7 @@ static const struct mtk_ecc_caps mtk_ecc_caps_mt2712 = {
 };
 
 static const struct mtk_ecc_caps mtk_ecc_caps_mt7622 = {
-	.err_mask = 0x1f,
+	.err_mask = ECC_ERRMASK_MT7622,
 	.err_shift = 5,
 	.ecc_strength = ecc_strength_mt7622,
 	.ecc_regs = mt7622_ecc_regs,
@@ -483,6 +491,17 @@ static const struct mtk_ecc_caps mtk_ecc_caps_mt7622 = {
 	.pg_irq_sel = 0,
 };
 
+static const struct mtk_ecc_caps mtk_ecc_caps_mt7986 = {
+	.err_mask = ECC_ERRMASK_MT7622,
+	.err_shift = 8,
+	.ecc_strength = ecc_strength_mt7986,
+	.ecc_regs = mt2712_ecc_regs,
+	.num_ecc_strength = 11,
+	.ecc_mode_shift = 5,
+	.parity_bits = 14,
+	.pg_irq_sel = 1,
+};
+
 static const struct of_device_id mtk_ecc_dt_match[] = {
 	{
 		.compatible = "mediatek,mt2701-ecc",
@@ -493,6 +512,9 @@ static const struct of_device_id mtk_ecc_dt_match[] = {
 	}, {
 		.compatible = "mediatek,mt7622-ecc",
 		.data = &mtk_ecc_caps_mt7622,
+	}, {
+		.compatible = "mediatek,mt7986-ecc",
+		.data = &mtk_ecc_caps_mt7986,
 	},
 	{},
 };
-- 
2.25.1
Re: [PATCH v6 5/5] mtd: nand: ecc-mtk: Add ECC support fot MT7986 IC
Posted by Miquel Raynal 1 year, 9 months ago 
On Wed, 2023-02-01 at 02:15:00 UTC, Xiangsheng Hou wrote:
> Add ECC support fot MT7986 IC, and change err_mask value with
> GENMASK macro.
> 
> Signed-off-by: Xiangsheng Hou <xiangsheng.hou@mediatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.

Miquel
Re: [PATCH v6 5/5] mtd: nand: ecc-mtk: Add ECC support fot MT7986 IC
Posted by Matthias Brugger 1 year, 9 months ago 

On 01/02/2023 03:15, Xiangsheng Hou wrote:
> Add ECC support fot MT7986 IC, and change err_mask value with
> GENMASK macro.
> 
> Signed-off-by: Xiangsheng Hou <xiangsheng.hou@mediatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>

> ---
>   drivers/mtd/nand/ecc-mtk.c | 28 +++++++++++++++++++++++++---
>   1 file changed, 25 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/mtd/nand/ecc-mtk.c b/drivers/mtd/nand/ecc-mtk.c
> index 9f9b201fe706..c75bb8b80cc1 100644
> --- a/drivers/mtd/nand/ecc-mtk.c
> +++ b/drivers/mtd/nand/ecc-mtk.c
> @@ -40,6 +40,10 @@
>   #define ECC_IDLE_REG(op)	((op) == ECC_ENCODE ? ECC_ENCIDLE : ECC_DECIDLE)
>   #define ECC_CTL_REG(op)		((op) == ECC_ENCODE ? ECC_ENCCON : ECC_DECCON)
>   
> +#define ECC_ERRMASK_MT7622	GENMASK(4, 0)
> +#define ECC_ERRMASK_MT2701	GENMASK(5, 0)
> +#define ECC_ERRMASK_MT2712	GENMASK(6, 0)
> +
>   struct mtk_ecc_caps {
>   	u32 err_mask;
>   	u32 err_shift;
> @@ -79,6 +83,10 @@ static const u8 ecc_strength_mt7622[] = {
>   	4, 6, 8, 10, 12
>   };
>   
> +static const u8 ecc_strength_mt7986[] = {
> +	4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24
> +};
> +
>   enum mtk_ecc_regs {
>   	ECC_ENCPAR00,
>   	ECC_ENCIRQ_EN,
> @@ -451,7 +459,7 @@ unsigned int mtk_ecc_get_parity_bits(struct mtk_ecc *ecc)
>   EXPORT_SYMBOL(mtk_ecc_get_parity_bits);
>   
>   static const struct mtk_ecc_caps mtk_ecc_caps_mt2701 = {
> -	.err_mask = 0x3f,
> +	.err_mask = ECC_ERRMASK_MT2701,
>   	.err_shift = 8,
>   	.ecc_strength = ecc_strength_mt2701,
>   	.ecc_regs = mt2701_ecc_regs,
> @@ -462,7 +470,7 @@ static const struct mtk_ecc_caps mtk_ecc_caps_mt2701 = {
>   };
>   
>   static const struct mtk_ecc_caps mtk_ecc_caps_mt2712 = {
> -	.err_mask = 0x7f,
> +	.err_mask = ECC_ERRMASK_MT2712,
>   	.err_shift = 8,
>   	.ecc_strength = ecc_strength_mt2712,
>   	.ecc_regs = mt2712_ecc_regs,
> @@ -473,7 +481,7 @@ static const struct mtk_ecc_caps mtk_ecc_caps_mt2712 = {
>   };
>   
>   static const struct mtk_ecc_caps mtk_ecc_caps_mt7622 = {
> -	.err_mask = 0x1f,
> +	.err_mask = ECC_ERRMASK_MT7622,
>   	.err_shift = 5,
>   	.ecc_strength = ecc_strength_mt7622,
>   	.ecc_regs = mt7622_ecc_regs,
> @@ -483,6 +491,17 @@ static const struct mtk_ecc_caps mtk_ecc_caps_mt7622 = {
>   	.pg_irq_sel = 0,
>   };
>   
> +static const struct mtk_ecc_caps mtk_ecc_caps_mt7986 = {
> +	.err_mask = ECC_ERRMASK_MT7622,
> +	.err_shift = 8,
> +	.ecc_strength = ecc_strength_mt7986,
> +	.ecc_regs = mt2712_ecc_regs,
> +	.num_ecc_strength = 11,
> +	.ecc_mode_shift = 5,
> +	.parity_bits = 14,
> +	.pg_irq_sel = 1,
> +};
> +
>   static const struct of_device_id mtk_ecc_dt_match[] = {
>   	{
>   		.compatible = "mediatek,mt2701-ecc",
> @@ -493,6 +512,9 @@ static const struct of_device_id mtk_ecc_dt_match[] = {
>   	}, {
>   		.compatible = "mediatek,mt7622-ecc",
>   		.data = &mtk_ecc_caps_mt7622,
> +	}, {
> +		.compatible = "mediatek,mt7986-ecc",
> +		.data = &mtk_ecc_caps_mt7986,
>   	},
>   	{},
>   };

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