[U-Boot] [PATCH] Add support s3c2440 NAND controller
Ilya Averyanov
averyanovin at gmail.com
Thu Apr 19 15:53:15 CEST 2012
arch/arm/include/asm/arch-s3c24x0/s3c2410.h | 4 +-
arch/arm/include/asm/arch-s3c24x0/s3c2440.h | 4 +-
arch/arm/include/asm/arch-s3c24x0/s3c24x0.h | 13 +-
drivers/mtd/nand/Makefile | 3 +-
drivers/mtd/nand/s3c2410_nand.c | 189 -------------------
drivers/mtd/nand/s3c24x0_nand.c | 268
+++++++++++++++++++++++++++
6 files changed, 283 insertions(+), 198 deletions(-)
delete mode 100644 drivers/mtd/nand/s3c2410_nand.c
create mode 100644 drivers/mtd/nand/s3c24x0_nand.c
diff --git a/arch/arm/include/asm/arch-s3c24x0/s3c2410.h
b/arch/arm/include/asm/arch-s3c24x0/s3c2410.h
index 4fbdf20..71eb33e 100644
--- a/arch/arm/include/asm/arch-s3c24x0/s3c2410.h
+++ b/arch/arm/include/asm/arch-s3c24x0/s3c2410.h
@@ -99,9 +99,9 @@ static inline struct s3c24x0_lcd
*s3c24x0_get_base_lcd(void)
return (struct s3c24x0_lcd *)S3C24X0_LCD_BASE;
}
-static inline struct s3c2410_nand *s3c2410_get_base_nand(void)
+static inline struct s3c24x0_nand *s3c24x0_get_base_nand(void)
{
- return (struct s3c2410_nand *)S3C2410_NAND_BASE;
+ return (struct s3c24x0_nand *)S3C2410_NAND_BASE;
}
static inline struct s3c24x0_uart
diff --git a/arch/arm/include/asm/arch-s3c24x0/s3c2440.h
b/arch/arm/include/asm/arch-s3c24x0/s3c2440.h
index 8c606e3..8b9a5b0 100644
--- a/arch/arm/include/asm/arch-s3c24x0/s3c2440.h
+++ b/arch/arm/include/asm/arch-s3c24x0/s3c2440.h
@@ -97,9 +97,9 @@ static inline struct s3c24x0_lcd
*s3c24x0_get_base_lcd(void)
return (struct s3c24x0_lcd *)S3C24X0_LCD_BASE;
}
-static inline struct s3c2440_nand *s3c2440_get_base_nand(void)
+static inline struct s3c24x0_nand *s3c24x0_get_base_nand(void)
{
- return (struct s3c2440_nand *)S3C2440_NAND_BASE;
+ return (struct s3c24x0_nand *)S3C2440_NAND_BASE;
}
static inline struct s3c24x0_uart
diff --git a/arch/arm/include/asm/arch-s3c24x0/s3c24x0.h
b/arch/arm/include/asm/arch-s3c24x0/s3c24x0.h
index ca978c9..d82251d 100644
--- a/arch/arm/include/asm/arch-s3c24x0/s3c24x0.h
+++ b/arch/arm/include/asm/arch-s3c24x0/s3c24x0.h
@@ -151,20 +151,19 @@ struct s3c24x0_lcd {
};
+
+struct s3c24x0_nand {
#ifdef CONFIG_S3C2410
/* NAND FLASH (see S3C2410 manual chapter 6) */
-struct s3c2410_nand {
u32 nfconf;
u32 nfcmd;
u32 nfaddr;
u32 nfdata;
u32 nfstat;
u32 nfecc;
-};
#endif
#ifdef CONFIG_S3C2440
/* NAND FLASH (see S3C2440 manual chapter 6) */
-struct s3c2440_nand {
u32 nfconf;
u32 nfcont;
u32 nfcmd;
@@ -176,8 +175,14 @@ struct s3c2440_nand {
u32 nfstat;
u32 nfstat0;
u32 nfstat1;
-};
+ u32 nfmecc0;
+ u32 nfmecc1;
+ u32 nfsecc;
+ u32 nfsblk;
+ u32 nfeblk;
#endif
+};
+
/* UART (see manual chapter 11) */
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 1d1b628..b080cf7 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -58,7 +58,8 @@ COBJS-$(CONFIG_NAND_MXC) += mxc_nand.o
COBJS-$(CONFIG_NAND_MXS) += mxs_nand.o
COBJS-$(CONFIG_NAND_NDFC) += ndfc.o
COBJS-$(CONFIG_NAND_NOMADIK) += nomadik.o
-COBJS-$(CONFIG_NAND_S3C2410) += s3c2410_nand.o
+COBJS-$(CONFIG_NAND_S3C2410) += s3c24x0_nand.o
+COBJS-$(CONFIG_NAND_S3C2440) += s3c24x0_nand.o
COBJS-$(CONFIG_NAND_S3C64XX) += s3c64xx.o
COBJS-$(CONFIG_NAND_SPEAR) += spr_nand.o
COBJS-$(CONFIG_NAND_OMAP_GPMC) += omap_gpmc.o
diff --git a/drivers/mtd/nand/s3c2410_nand.c
b/drivers/mtd/nand/s3c2410_nand.c
deleted file mode 100644
index e1a459b..0000000
--- a/drivers/mtd/nand/s3c2410_nand.c
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- * (C) Copyright 2006 OpenMoko, Inc.
- * Author: Harald Welte <laforge at openmoko.org>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-
-#include <nand.h>
-#include <asm/arch/s3c24x0_cpu.h>
-#include <asm/io.h>
-
-#define S3C2410_NFCONF_EN (1<<15)
-#define S3C2410_NFCONF_512BYTE (1<<14)
-#define S3C2410_NFCONF_4STEP (1<<13)
-#define S3C2410_NFCONF_INITECC (1<<12)
-#define S3C2410_NFCONF_nFCE (1<<11)
-#define S3C2410_NFCONF_TACLS(x) ((x)<<8)
-#define S3C2410_NFCONF_TWRPH0(x) ((x)<<4)
-#define S3C2410_NFCONF_TWRPH1(x) ((x)<<0)
-
-#define S3C2410_ADDR_NALE 4
-#define S3C2410_ADDR_NCLE 8
-
-#ifdef CONFIG_NAND_SPL
-
-/* in the early stage of NAND flash booting, printf() is not available */
-#define printf(fmt, args...)
-
-static void nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
-{
- int i;
- struct nand_chip *this = mtd->priv;
-
- for (i = 0; i < len; i++)
- buf[i] = readb(this->IO_ADDR_R);
-}
-#endif
-
-static void s3c2410_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int
ctrl)
-{
- struct nand_chip *chip = mtd->priv;
- struct s3c2410_nand *nand = s3c2410_get_base_nand();
-
- debug("hwcontrol(): 0x%02x 0x%02x\n", cmd, ctrl);
-
- if (ctrl & NAND_CTRL_CHANGE) {
- ulong IO_ADDR_W = (ulong)nand;
-
- if (!(ctrl & NAND_CLE))
- IO_ADDR_W |= S3C2410_ADDR_NCLE;
- if (!(ctrl & NAND_ALE))
- IO_ADDR_W |= S3C2410_ADDR_NALE;
-
- chip->IO_ADDR_W = (void *)IO_ADDR_W;
-
- if (ctrl & NAND_NCE)
- writel(readl(&nand->nfconf) & ~S3C2410_NFCONF_nFCE,
- &nand->nfconf);
- else
- writel(readl(&nand->nfconf) | S3C2410_NFCONF_nFCE,
- &nand->nfconf);
- }
-
- if (cmd != NAND_CMD_NONE)
- writeb(cmd, chip->IO_ADDR_W);
-}
-
-static int s3c2410_dev_ready(struct mtd_info *mtd)
-{
- struct s3c2410_nand *nand = s3c2410_get_base_nand();
- debug("dev_ready\n");
- return readl(&nand->nfstat) & 0x01;
-}
-
-#ifdef CONFIG_S3C2410_NAND_HWECC
-void s3c2410_nand_enable_hwecc(struct mtd_info *mtd, int mode)
-{
- struct s3c2410_nand *nand = s3c2410_get_base_nand();
- debug("s3c2410_nand_enable_hwecc(%p, %d)\n", mtd, mode);
- writel(readl(&nand->nfconf) | S3C2410_NFCONF_INITECC, &nand->nfconf);
-}
-
-static int s3c2410_nand_calculate_ecc(struct mtd_info *mtd, const u_char
*dat,
- u_char *ecc_code)
-{
- struct s3c2410_nand *nand = s3c2410_get_base_nand();
- ecc_code[0] = readb(&nand->nfecc);
- ecc_code[1] = readb(&nand->nfecc + 1);
- ecc_code[2] = readb(&nand->nfecc + 2);
- debug("s3c2410_nand_calculate_hwecc(%p,): 0x%02x 0x%02x 0x%02x\n",
- mtd , ecc_code[0], ecc_code[1], ecc_code[2]);
-
- return 0;
-}
-
-static int s3c2410_nand_correct_data(struct mtd_info *mtd, u_char *dat,
- u_char *read_ecc, u_char *calc_ecc)
-{
- if (read_ecc[0] == calc_ecc[0] &&
- read_ecc[1] == calc_ecc[1] &&
- read_ecc[2] == calc_ecc[2])
- return 0;
-
- printf("s3c2410_nand_correct_data: not implemented\n");
- return -1;
-}
-#endif
-
-int board_nand_init(struct nand_chip *nand)
-{
- u_int32_t cfg;
- u_int8_t tacls, twrph0, twrph1;
- struct s3c24x0_clock_power *clk_power = s3c24x0_get_base_clock_power();
- struct s3c2410_nand *nand_reg = s3c2410_get_base_nand();
-
- debug("board_nand_init()\n");
-
- writel(readl(&clk_power->clkcon) | (1 << 4), &clk_power->clkcon);
-
- /* initialize hardware */
-#if defined(CONFIG_S3C24XX_CUSTOM_NAND_TIMING)
- tacls = CONFIG_S3C24XX_TACLS;
- twrph0 = CONFIG_S3C24XX_TWRPH0;
- twrph1 = CONFIG_S3C24XX_TWRPH1;
-#else
- tacls = 4;
- twrph0 = 8;
- twrph1 = 8;
-#endif
-
- cfg = S3C2410_NFCONF_EN;
- cfg |= S3C2410_NFCONF_TACLS(tacls - 1);
- cfg |= S3C2410_NFCONF_TWRPH0(twrph0 - 1);
- cfg |= S3C2410_NFCONF_TWRPH1(twrph1 - 1);
- writel(cfg, &nand_reg->nfconf);
-
- /* initialize nand_chip data structure */
- nand->IO_ADDR_R = (void *)&nand_reg->nfdata;
- nand->IO_ADDR_W = (void *)&nand_reg->nfdata;
-
- nand->select_chip = NULL;
-
- /* read_buf and write_buf are default */
- /* read_byte and write_byte are default */
-#ifdef CONFIG_NAND_SPL
- nand->read_buf = nand_read_buf;
-#endif
-
- /* hwcontrol always must be implemented */
- nand->cmd_ctrl = s3c2410_hwcontrol;
-
- nand->dev_ready = s3c2410_dev_ready;
-
-#ifdef CONFIG_S3C2410_NAND_HWECC
- nand->ecc.hwctl = s3c2410_nand_enable_hwecc;
- nand->ecc.calculate = s3c2410_nand_calculate_ecc;
- nand->ecc.correct = s3c2410_nand_correct_data;
- nand->ecc.mode = NAND_ECC_HW;
- nand->ecc.size = CONFIG_SYS_NAND_ECCSIZE;
- nand->ecc.bytes = CONFIG_SYS_NAND_ECCBYTES;
-#else
- nand->ecc.mode = NAND_ECC_SOFT;
-#endif
-
-#ifdef CONFIG_S3C2410_NAND_BBT
- nand->options = NAND_USE_FLASH_BBT;
-#else
- nand->options = 0;
-#endif
-
- debug("end of nand_init\n");
-
- return 0;
-}
diff --git a/drivers/mtd/nand/s3c24x0_nand.c
b/drivers/mtd/nand/s3c24x0_nand.c
new file mode 100644
index 0000000..67b44ee
--- /dev/null
+++ b/drivers/mtd/nand/s3c24x0_nand.c
@@ -0,0 +1,268 @@
+/*
+ * (C) Copyright 2006 OpenMoko, Inc.
+ * Author: Harald Welte <laforge at openmoko.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+#include <nand.h>
+#include <asm/arch/s3c24x0_cpu.h>
+#include <asm/io.h>
+
+#define S3C2410_NFCONF_EN (1<<15)
+#define S3C2410_NFCONF_512BYTE (1<<14)
+#define S3C2410_NFCONF_4STEP (1<<13)
+#define S3C2410_NFCONF_INITECC (1<<12)
+#define S3C2410_NFCONF_nFCE (1<<11)
+#define S3C2410_NFCONF_TACLS(x) ((x)<<8)
+#define S3C2410_NFCONF_TWRPH0(x) ((x)<<4)
+#define S3C2410_NFCONF_TWRPH1(x) ((x)<<0)
+
+#define S3C2410_ADDR_NALE 4
+#define S3C2410_ADDR_NCLE 8
+
+#define S3C2440_NFCONT_INITECC (1<<4)
+#define S3C2440_NFCONF_nFCE (1<<1)
+#define S3C2440_ADDR_NALE 0x8
+#define S3C2440_ADDR_NCLE 0xC
+
+#ifdef CONFIG_NAND_SPL
+
+/* in the early stage of NAND flash booting, printf() is not available */
+#define printf(fmt, args...)
+
+static void nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
+{
+ int i;
+ struct nand_chip *this = mtd->priv;
+
+ for (i = 0; i < len; i++)
+ buf[i] = readb(this->IO_ADDR_R);
+}
+#endif
+
+#ifdef CONFIG_S3C2440
+static void s3c2440_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int
ctrl)
+{
+ struct nand_chip *chip = mtd->priv;
+ struct s3c24x0_nand *nand = s3c24x0_get_base_nand();
+
+
+ debug("hwcontrol(): 0x%02x 0x%02x\n", cmd, ctrl);
+
+ if (ctrl & NAND_CTRL_CHANGE) {
+ ulong IO_ADDR_W = (ulong)nand;
+
+ if (!(ctrl & NAND_CLE))
+ IO_ADDR_W |= S3C2440_ADDR_NCLE;
+ if (!(ctrl & NAND_ALE))
+ IO_ADDR_W |= S3C2440_ADDR_NALE;
+
+ chip->IO_ADDR_W = (void *)IO_ADDR_W;
+
+ if (ctrl & NAND_NCE)
+ writel(readl(&nand->nfcont) & ~S3C2440_NFCONF_nFCE,
+ &nand->nfcont);
+ else
+ writel(readl(&nand->nfcont) | S3C2440_NFCONF_nFCE,
+ &nand->nfcont);
+ }
+
+ if (cmd != NAND_CMD_NONE)
+ writeb(cmd, chip->IO_ADDR_W);
+}
+
+static int s3c2440_dev_ready(struct mtd_info *mtd)
+{
+ struct s3c24x0_nand *nand = s3c24x0_get_base_nand();
+ debug("dev_ready\n");
+ return readl(&nand->nfstat) & 0x01;
+}
+#else
+static void s3c2410_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int
ctrl)
+{
+ struct nand_chip *chip = mtd->priv;
+ struct s3c24x0_nand *nand = s3c24x0_get_base_nand();
+
+
+ debug("hwcontrol(): 0x%02x 0x%02x\n", cmd, ctrl);
+
+ if (ctrl & NAND_CTRL_CHANGE) {
+ ulong IO_ADDR_W = (ulong)nand;
+
+ if (!(ctrl & NAND_CLE))
+ IO_ADDR_W |= S3C2410_ADDR_NCLE;
+ if (!(ctrl & NAND_ALE))
+ IO_ADDR_W |= S3C2410_ADDR_NALE;
+
+ chip->IO_ADDR_W = (void *)IO_ADDR_W;
+
+ if (ctrl & NAND_NCE)
+ writel(readl(&nand->nfconf) & ~S3C2410_NFCONF_nFCE,
+ &nand->nfconf);
+ else
+ writel(readl(&nand->nfconf) | S3C2410_NFCONF_nFCE,
+ &nand->nfconf);
+ }
+
+ if (cmd != NAND_CMD_NONE)
+ writeb(cmd, chip->IO_ADDR_W);
+}
+
+static int s3c2410_dev_ready(struct mtd_info *mtd)
+{
+ struct s3c24x0_nand *nand = s3c24x0_get_base_nand();
+ debug("dev_ready\n");
+ return readl(&nand->nfstat) & 0x01;
+}
+#endif
+
+#ifdef CONFIG_SYS_S3C2440_NAND_HWECC
+void s3c2440_nand_enable_hwecc(struct mtd_info *mtd, int mode)
+{
+ struct s3c24x0_nand *nand = s3c24x0_get_base_nand();
+ debug("s3c2410_nand_enable_hwecc(%p, %d)\n", mtd, mode);
+ writel((readl(&nand->nfcont) & ~(1 << 5)) | S3C2440_NFCONT_INITECC,
&nand->nfcont);
+}
+
+static int s3c2440_nand_calculate_ecc(struct mtd_info *mtd, const u_char
*dat,
+ u_char *ecc_code)
+{
+ struct s3c24x0_nand *nand = s3c24x0_get_base_nand();
+ unsigned long ecc = readl(&nand->nfmecc0);
+
+ ecc_code[0] = ecc;
+ ecc_code[1] = ecc >> 8;
+ ecc_code[2] = ecc >> 16;
+ debug("s3c2410_nand_calculate_hwecc(%p,): 0x%02x 0x%02x 0x%02x\n",
+ mtd , ecc_code[0], ecc_code[1], ecc_code[2]);
+
+ return 0;
+}
+
+#elif defined(CONFIG_SYS_S3C2410_NAND_HWECC)
+void s3c2410_nand_enable_hwecc(struct mtd_info *mtd, int mode)
+{
+ struct s3c24x0_nand *nand = s3c24x0_get_base_nand();
+ debug("s3c2410_nand_enable_hwecc(%p, %d)\n", mtd, mode);
+ writel(readl(&nand->nfconf) | S3C2410_NFCONF_INITECC, &nand->nfconf);
+}
+
+static int s3c2410_nand_calculate_ecc(struct mtd_info *mtd, const u_char
*dat,
+ u_char *ecc_code)
+{
+ struct s3c24x0_nand *nand = s3c24x0_get_base_nand();
+ ecc_code[0] = readb(&nand->nfecc);
+ ecc_code[1] = readb(&nand->nfecc + 1);
+ ecc_code[2] = readb(&nand->nfecc + 2);
+ debug("s3c2410_nand_calculate_hwecc(%p,): 0x%02x 0x%02x 0x%02x\n",
+ mtd , ecc_code[0], ecc_code[1], ecc_code[2]);
+
+ return 0;
+}
+#endif
+
+static int s3c24x0_nand_correct_data(struct mtd_info *mtd, u_char *dat,
+ u_char *read_ecc, u_char *calc_ecc)
+{
+ if (read_ecc[0] == calc_ecc[0] &&
+ read_ecc[1] == calc_ecc[1] &&
+ read_ecc[2] == calc_ecc[2])
+ return 0;
+
+ printf("s3c2410_nand_correct_data: not implemented\n");
+ return -1;
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+ u_int8_t tacls, twrph0, twrph1;
+ struct s3c24x0_clock_power *clk_power = s3c24x0_get_base_clock_power();
+ struct s3c24x0_nand *nand_reg = s3c24x0_get_base_nand();
+
+ debug("board_nand_init()\n");
+
+ writel(readl(&clk_power->clkcon) | (1 << 4), &clk_power->clkcon);
+
+ /* initialize hardware */
+#if defined(CONFIG_S3C24XX_CUSTOM_NAND_TIMING)
+ tacls = CONFIG_S3C24XX_TACLS;
+ twrph0 = CONFIG_S3C24XX_TWRPH0;
+ twrph1 = CONFIG_S3C24XX_TWRPH1;
+#else
+ tacls = 4;
+ twrph0 = 8;
+ twrph1 = 8;
+#endif
+
+#ifdef CONFIG_S3C2440
+ writel(readl(&nand_reg->nfconf) | ((tacls-1)<<12)|((twrph0 -
1)<<8)|((twrph1 - 1)<<4)|(0<<0), &nand_reg->nfconf);
+
writel((0<<13)|(0<<12)|(0<<10)|(0<<9)|(0<<8)|(1<<6)|(1<<5)|(1<<4)|(1<<1)|(1<<0),
&nand_reg->nfcont);
+#else
+ writel(S3C2410_NFCONF_EN|S3C2410_NFCONF_TACLS(tacls -
1)|S3C2410_NFCONF_TWRPH0(twrph0 - 1)|S3C2410_NFCONF_TWRPH1(twrph1 - 1) ,
+ &nand_reg->nfconf);
+#endif
+ /* initialize nand_chip data structure */
+ nand->IO_ADDR_R = (void *)&nand_reg->nfdata;
+ nand->IO_ADDR_W = (void *)&nand_reg->nfdata;
+
+ nand->select_chip = NULL;
+
+ /* read_buf and write_buf are default */
+ /* read_byte and write_byte are default */
+#ifdef CONFIG_NAND_SPL
+ nand->read_buf = nand_read_buf;
+#endif
+
+ /* hwcontrol always must be implemented */
+#ifdef CONFIG_S3C2440
+ nand->cmd_ctrl = s3c2440_hwcontrol;
+ nand->dev_ready = s3c2440_dev_ready;
+#else
+ nand->cmd_ctrl = s3c2410_hwcontrol;
+ nand->dev_ready = s3c2410_dev_ready;
+#endif
+
+#ifdef CONFIG_SYS_S3C2440_NAND_HWECC
+ nand->ecc.hwctl = s3c2440_nand_enable_hwecc;
+ nand->ecc.calculate = s3c2440_nand_calculate_ecc;
+ nand->ecc.correct = s3c24x0_nand_correct_data;
+ nand->ecc.mode = NAND_ECC_HW;
+ nand->ecc.size = CONFIG_SYS_NAND_ECCSIZE;
+ nand->ecc.bytes = CONFIG_SYS_NAND_ECCBYTES;
+#elif defined(CONFIG_SYS_S3C2410_NAND_HWECC)
+ nand->ecc.hwctl = s3c2410_nand_enable_hwecc;
+ nand->ecc.calculate = s3c2410_nand_calculate_ecc;
+ nand->ecc.correct = s3c24x0_nand_correct_data;
+ nand->ecc.mode = NAND_ECC_HW;
+ nand->ecc.size = CONFIG_SYS_NAND_ECCSIZE;
+ nand->ecc.bytes = CONFIG_SYS_NAND_ECCBYTES;
+#else
+ nand->ecc.mode = NAND_ECC_SOFT;
+#endif
+
+#ifdef CONFIG_S3C2410_NAND_BBT
+ nand->options = NAND_USE_FLASH_BBT;
+#else
+ nand->options = 0;
+#endif
+
+ debug("end of nand_init\n");
+
+ return 0;
+}
--
1.7.7.1.msysgit.0
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