From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adam Ford Date: Wed, 2 Jan 2019 20:36:52 -0600 Subject: [U-Boot] [PATCH] MTD: mxs_nand: Fix BCH read timeout error on boards requiring ECC Message-ID: <20190103023652.8489-1-aford173@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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 diff --git a/drivers/mtd/nand/raw/mxs_nand.c b/drivers/mtd/nand/raw/mxs_nand.c index e3341812a2..2d84bfffe2 100644 --- a/drivers/mtd/nand/raw/mxs_nand.c +++ b/drivers/mtd/nand/raw/mxs_nand.c @@ -1163,6 +1163,12 @@ int mxs_nand_init_spl(struct nand_chip *nand) 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 c628f3adec..ba85baac60 100644 --- a/drivers/mtd/nand/raw/mxs_nand_spl.c +++ b/drivers/mtd/nand/raw/mxs_nand_spl.c @@ -201,6 +201,7 @@ static int mxs_nand_init(void) /* 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; } -- 2.17.1