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Commit 5ae585ba3a8bb2336d5cb6e1ef4c80a5ef445409

Authored by Adam Ford
Committed by Stefano Babic
1 parent dc619924c7
Exists in smarc_8mq_lf_v2020.04 and in 11 other branches 8qm-imx_v2020.04_5.4.70_2.3.0, emb_lf_v2022.04, pitx_8mp_lf_v2020.04, smarc-8m-android-10.0.0_2.6.0, smarc-8m-android-11.0.0_2.0.0, smarc-8mp-android-11.0.0_2.0.0, smarc_8m-imx_v2019.04_4.19.35_1.1.0, smarc_8mm-imx_v2019.04_4.19.35_1.1.0, smarc_8mm-imx_v2020.04_5.4.24_2.1.0, smarc_8mp_lf_v2020.04, smarc_8mq-imx_v2020.04_5.4.24_2.1.0

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>

Showing 2 changed files with 7 additions and 0 deletions Side-by-side Diff

drivers/mtd/nand/raw/mxs_nand.c
Diff comments   View file @ 5ae585b
... ... @@ -1163,6 +1163,12 @@
1163 1163  
1164 1164 nand_info->gpmi_regs = (struct mxs_gpmi_regs *)MXS_GPMI_BASE;
1165 1165 nand_info->bch_regs = (struct mxs_bch_regs *)MXS_BCH_BASE;
  1166 +
  1167 + if (is_mx6sx() || is_mx7())
  1168 + nand_info->max_ecc_strength_supported = 62;
  1169 + else
  1170 + nand_info->max_ecc_strength_supported = 40;
  1171 +
1166 1172 err = mxs_nand_alloc_buffers(nand_info);
1167 1173 if (err)
1168 1174 return err;
drivers/mtd/nand/raw/mxs_nand_spl.c
Diff comments   View file @ 5ae585b
... ... @@ -201,6 +201,7 @@
201 201 /* setup flash layout (does not scan as we override that) */
202 202 mtd->size = nand_chip.chipsize;
203 203 nand_chip.scan_bbt(mtd);
  204 + mxs_nand_setup_ecc(mtd);
204 205  
205 206 return 0;
206 207 }