omap: gpmc: 'nandecc sw' can use HAM1 or BCH8

[platform/kernel/u-boot.git] / drivers / mtd / nand / omap_gpmc.c

diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c
index f8b0063..610f969 100644 (file)
--- a/drivers/mtd/nand/omap_gpmc.c
+++ b/drivers/mtd/nand/omap_gpmc.c
@@ -912,8 +912,18 @@ int __maybe_unused omap_nand_switch_ecc(uint32_t hardware, uint32_t eccstrength)
                        return -EINVAL;
                }
        } else {
-               err = omap_select_ecc_scheme(nand, OMAP_ECC_HAM1_CODE_SW,
+               if (eccstrength == 1) {
+                       err = omap_select_ecc_scheme(nand,
+                                       OMAP_ECC_HAM1_CODE_SW,
+                                       mtd->writesize, mtd->oobsize);
+               } else if (eccstrength == 8) {
+                       err = omap_select_ecc_scheme(nand,
+                                       OMAP_ECC_BCH8_CODE_HW_DETECTION_SW,
                                        mtd->writesize, mtd->oobsize);
+               } else {
+                       printf("nand: error: unsupported ECC scheme\n");
+                       return -EINVAL;
+               }
        }
 
        /* Update NAND handling after ECC mode switch */