Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

[deliverable/linux.git] / drivers / mtd / nand / s3c2410.c

diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index e8e030171ec44123ffae2c0bc09f1d7308134c17..b79a9cf2d162bfe775e02262de401a9429a786ce 100644 (file)
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -60,8 +60,8 @@
 
 #include <asm/io.h>
 
-#include <asm/arch/regs-nand.h>
-#include <asm/arch/nand.h>
+#include <asm/plat-s3c/regs-nand.h>
+#include <asm/plat-s3c/nand.h>
 
 #ifdef CONFIG_MTD_NAND_S3C2410_HWECC
 static int hardware_ecc = 1;
@@ -418,6 +418,15 @@ static void s3c2410_nand_enable_hwecc(struct mtd_info *mtd, int mode)
        writel(ctrl, info->regs + S3C2410_NFCONF);
 }
 
+static void s3c2412_nand_enable_hwecc(struct mtd_info *mtd, int mode)
+{
+       struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
+       unsigned long ctrl;
+
+       ctrl = readl(info->regs + S3C2440_NFCONT);
+       writel(ctrl | S3C2412_NFCONT_INIT_MAIN_ECC, info->regs + S3C2440_NFCONT);
+}
+
 static void s3c2440_nand_enable_hwecc(struct mtd_info *mtd, int mode)
 {
        struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
@@ -441,6 +450,20 @@ static int s3c2410_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u
        return 0;
 }
 
+static int s3c2412_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code)
+{
+       struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
+       unsigned long ecc = readl(info->regs + S3C2412_NFMECC0);
+
+       ecc_code[0] = ecc;
+       ecc_code[1] = ecc >> 8;
+       ecc_code[2] = ecc >> 16;
+
+       pr_debug("calculate_ecc: returning ecc %02x,%02x,%02x\n", ecc_code[0], ecc_code[1], ecc_code[2]);
+
+       return 0;
+}
+
 static int s3c2440_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code)
 {
        struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
@@ -450,7 +473,7 @@ static int s3c2440_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u
        ecc_code[1] = ecc >> 8;
        ecc_code[2] = ecc >> 16;
 
-       pr_debug("%s: returning ecc %06x\n", __func__, ecc);
+       pr_debug("%s: returning ecc %06lx\n", __func__, ecc);
 
        return 0;
 }
@@ -618,6 +641,10 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info,
                        break;
 
                case TYPE_S3C2412:
+                       chip->ecc.hwctl     = s3c2412_nand_enable_hwecc;
+                       chip->ecc.calculate = s3c2412_nand_calculate_ecc;
+                       break;
+
                case TYPE_S3C2440:
                        chip->ecc.hwctl     = s3c2440_nand_enable_hwecc;
                        chip->ecc.calculate = s3c2440_nand_calculate_ecc;