MTD: mxs_nand: Fix BCH read timeout error on boards requiring ECC
The LogicPD board uses a Micron Flash with ECC. To boot this from
SPL, the ECC needs to be correctly configured or the BCH engine
times out.
Signed-off-by: Adam Ford <aford173@gmail.com>
Acked-by: Stefan Agner <stefan.agner@toradex.com>
Tested-by: Jörg Krause <joerg.krause@embedded.rocks>
Acked-by: Tim Harvey <tharvey@gateworks.com>
Tested-by: Tim Harvey <tharvey@gateworks.com>
diff --git a/drivers/mtd/nand/raw/mxs_nand.c b/drivers/mtd/nand/raw/mxs_nand.c
index e334181..2d84bff 100644
--- a/drivers/mtd/nand/raw/mxs_nand.c
+++ b/drivers/mtd/nand/raw/mxs_nand.c
@@ -1163,6 +1163,12 @@
nand_info->gpmi_regs = (struct mxs_gpmi_regs *)MXS_GPMI_BASE;
nand_info->bch_regs = (struct mxs_bch_regs *)MXS_BCH_BASE;
+
+ if (is_mx6sx() || is_mx7())
+ nand_info->max_ecc_strength_supported = 62;
+ else
+ nand_info->max_ecc_strength_supported = 40;
+
err = mxs_nand_alloc_buffers(nand_info);
if (err)
return err;
diff --git a/drivers/mtd/nand/raw/mxs_nand_spl.c b/drivers/mtd/nand/raw/mxs_nand_spl.c
index c628f3a..ba85baa 100644
--- a/drivers/mtd/nand/raw/mxs_nand_spl.c
+++ b/drivers/mtd/nand/raw/mxs_nand_spl.c
@@ -201,6 +201,7 @@
/* setup flash layout (does not scan as we override that) */
mtd->size = nand_chip.chipsize;
nand_chip.scan_bbt(mtd);
+ mxs_nand_setup_ecc(mtd);
return 0;
}