Commit 2a738583 authored by Paul Cercueil's avatar Paul Cercueil Committed by Miquel Raynal

mtd: rawnand: ingenic: Add ooblayout for the Qi Ben Nanonote

The Ben Nanonote from Qi Hardware expects a specific OOB layout on its
NAND.
Signed-off-by: default avatarPaul Cercueil <paul@crapouillou.net>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
parent 3e6ac2ad
......@@ -72,6 +72,41 @@ static inline struct ingenic_nfc *to_ingenic_nfc(struct nand_controller *ctrl)
return container_of(ctrl, struct ingenic_nfc, controller);
}
static int qi_lb60_ooblayout_ecc(struct mtd_info *mtd, int section,
struct mtd_oob_region *oobregion)
{
struct nand_chip *chip = mtd_to_nand(mtd);
struct nand_ecc_ctrl *ecc = &chip->ecc;
if (section || !ecc->total)
return -ERANGE;
oobregion->length = ecc->total;
oobregion->offset = 12;
return 0;
}
static int qi_lb60_ooblayout_free(struct mtd_info *mtd, int section,
struct mtd_oob_region *oobregion)
{
struct nand_chip *chip = mtd_to_nand(mtd);
struct nand_ecc_ctrl *ecc = &chip->ecc;
if (section)
return -ERANGE;
oobregion->length = mtd->oobsize - ecc->total - 12;
oobregion->offset = 12 + ecc->total;
return 0;
}
const struct mtd_ooblayout_ops qi_lb60_ooblayout_ops = {
.ecc = qi_lb60_ooblayout_ecc,
.free = qi_lb60_ooblayout_free,
};
static int jz4725b_ooblayout_ecc(struct mtd_info *mtd, int section,
struct mtd_oob_region *oobregion)
{
......@@ -247,7 +282,11 @@ static int ingenic_nand_attach_chip(struct nand_chip *chip)
return -EINVAL;
}
mtd_set_ooblayout(mtd, nfc->soc_info->oob_layout);
/* For legacy reasons we use a different layout on the qi,lb60 board. */
if (of_machine_is_compatible("qi,lb60"))
mtd_set_ooblayout(mtd, &qi_lb60_ooblayout_ops);
else
mtd_set_ooblayout(mtd, nfc->soc_info->oob_layout);
return 0;
}
......
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