[PATCH v2 4/9] mtd: nand: ecc-mtk: Add ECC support fot MT7986 IC
From: Xiangsheng Hou <hidden>
Date: 2022-12-05 06:58:36
Also in:
linux-devicetree, linux-mediatek, linux-spi, lkml
Subsystem:
memory technology devices (mtd), nand flash subsystem, the rest · Maintainers:
Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Linus Torvalds
Add ECC support fot MT7986 IC. Signed-off-by: Xiangsheng Hou <redacted> --- drivers/mtd/nand/ecc-mtk.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/drivers/mtd/nand/ecc-mtk.c b/drivers/mtd/nand/ecc-mtk.c
index 9f9b201fe706..c2f6cfa76a04 100644
--- a/drivers/mtd/nand/ecc-mtk.c
+++ b/drivers/mtd/nand/ecc-mtk.c@@ -79,6 +79,10 @@ 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,
@@ -483,6 +487,17 @@ 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 = 0x1f, + .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 +508,9 @@ 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
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