mtd: nand: sunxi: fix support for 512bytes ECC chunks
The driver is incorrectly assuming that the ECC block size is always 1k
which is not always true.
Also take the other cases into account.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
index 8b8470c..e40482a 100644
--- a/drivers/mtd/nand/sunxi_nand.c
+++ b/drivers/mtd/nand/sunxi_nand.c
@@ -145,6 +145,7 @@
#define NFC_ECC_PIPELINE BIT(3)
#define NFC_ECC_EXCEPTION BIT(4)
#define NFC_ECC_BLOCK_SIZE_MSK BIT(5)
+#define NFC_ECC_BLOCK_512 BIT(5)
#define NFC_RANDOM_EN BIT(9)
#define NFC_RANDOM_DIRECTION BIT(10)
#define NFC_ECC_MODE_MSK GENMASK(15, 12)
@@ -817,6 +818,9 @@ static void sunxi_nfc_hw_ecc_enable(struct mtd_info *mtd)
ecc_ctl |= NFC_ECC_EN | NFC_ECC_MODE(data->mode) | NFC_ECC_EXCEPTION |
NFC_ECC_PIPELINE;
+ if (nand->ecc.size == 512)
+ ecc_ctl |= NFC_ECC_BLOCK_512;
+
writel(ecc_ctl, nfc->regs + NFC_REG_ECC_CTL);
}