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@@ -418,6 +418,15 @@ static void s3c2410_nand_enable_hwecc(struct mtd_info *mtd, int mode)
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writel(ctrl, info->regs + S3C2410_NFCONF);
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}
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+static void s3c2412_nand_enable_hwecc(struct mtd_info *mtd, int mode)
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+{
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+ struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
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+ unsigned long ctrl;
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+
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+ ctrl = readl(info->regs + S3C2440_NFCONT);
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+ writel(ctrl | S3C2412_NFCONT_INIT_MAIN_ECC, info->regs + S3C2440_NFCONT);
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+}
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+
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static void s3c2440_nand_enable_hwecc(struct mtd_info *mtd, int mode)
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{
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struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
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@@ -441,6 +450,20 @@ static int s3c2410_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u
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return 0;
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}
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+static int s3c2412_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code)
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+{
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+ struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
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+ unsigned long ecc = readl(info->regs + S3C2412_NFMECC0);
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+
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+ ecc_code[0] = ecc;
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+ ecc_code[1] = ecc >> 8;
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+ ecc_code[2] = ecc >> 16;
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+
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+ pr_debug("calculate_ecc: returning ecc %02x,%02x,%02x\n", ecc_code[0], ecc_code[1], ecc_code[2]);
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+
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+ return 0;
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+}
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+
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static int s3c2440_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code)
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{
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struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
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@@ -618,6 +641,10 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info,
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break;
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case TYPE_S3C2412:
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+ chip->ecc.hwctl = s3c2412_nand_enable_hwecc;
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+ chip->ecc.calculate = s3c2412_nand_calculate_ecc;
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+ break;
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+
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case TYPE_S3C2440:
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chip->ecc.hwctl = s3c2440_nand_enable_hwecc;
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chip->ecc.calculate = s3c2440_nand_calculate_ecc;
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