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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>
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@ -1163,6 +1163,12 @@ int mxs_nand_init_spl(struct nand_chip *nand)
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nand_info->gpmi_regs = (struct mxs_gpmi_regs *)MXS_GPMI_BASE;
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nand_info->bch_regs = (struct mxs_bch_regs *)MXS_BCH_BASE;
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if (is_mx6sx() || is_mx7())
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nand_info->max_ecc_strength_supported = 62;
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else
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nand_info->max_ecc_strength_supported = 40;
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err = mxs_nand_alloc_buffers(nand_info);
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if (err)
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return err;
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@ -201,6 +201,7 @@ static int mxs_nand_init(void)
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/* setup flash layout (does not scan as we override that) */
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mtd->size = nand_chip.chipsize;
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nand_chip.scan_bbt(mtd);
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mxs_nand_setup_ecc(mtd);
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return 0;
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}
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