Merge with /home/wd/git/u-boot/custodian/u-boot-nand-flash

16 files changed, 144 insertions, 229 deletions

diff --git a/board/esd/ash405/Makefile b/board/esd/ash405/Makefile
index 4d75868..308f752 100644
--- a/board/esd/ash405/Makefile
+++ b/board/esd/ash405/Makefile
@@ -28,7 +28,9 @@ endif
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	= $(BOARD).o flash.o ../common/misc.o
+COBJS	= $(BOARD).o flash.o \
+	../common/misc.o \
+	../common/esd405ep_nand.o \
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/board/esd/ash405/ash405.c b/board/esd/ash405/ash405.c
index f41eb7b..8a5b03b 100644
--- a/board/esd/ash405/ash405.c
+++ b/board/esd/ash405/ash405.c
@@ -23,6 +23,7 @@
 
 #include <common.h>
 #include <asm/processor.h>
+#include <asm/io.h>
 #include <command.h>
 #include <malloc.h>
 
@@ -33,6 +34,7 @@
 #endif
 
 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+extern void lxt971_no_sleep(void);
 
 /* fpga configuration data - gzip compressed and generated by bin2c */
 const unsigned char fpgadata[] =
@@ -164,18 +166,12 @@ int misc_init_r (void)
 	/*
 	 * Reset external DUARTs
 	 */
-	out32(GPIO0_OR, in32(GPIO0_OR) | CFG_DUART_RST); /* set reset to high */
+	out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CFG_DUART_RST);
 	udelay(10); /* wait 10us */
-	out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_DUART_RST); /* set reset to low */
+	out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CFG_DUART_RST);
 	udelay(1000); /* wait 1ms */
 
 	/*
-	 * Set NAND-FLASH GPIO signals to default
-	 */
-	out32(GPIO0_OR, in32(GPIO0_OR) & ~(CFG_NAND_CLE | CFG_NAND_ALE));
-	out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND_CE);
-
-	/*
 	 * Enable interrupts in exar duart mcr[3]
 	 */
 	*duart0_mcr = 0x08;
@@ -218,35 +214,17 @@ long int initdram (int board_type)
 	mtdcr(memcfga, mem_mb0cf);
 	val = mfdcr(memcfgd);
 
-#if 0
-	printf("\nmb0cf=%x\n", val); /* test-only */
-	printf("strap=%x\n", mfdcr(strap)); /* test-only */
-#endif
-
 	return (4*1024*1024 << ((val & 0x000e0000) >> 17));
 }
 
 /* ------------------------------------------------------------------------- */
 
-int testdram (void)
+void reset_phy(void)
 {
-	/* TODO: XXX XXX XXX */
-	printf ("test: 16 MB - ok\n");
-
-	return (0);
-}
-
-/* ------------------------------------------------------------------------- */
-
-#if defined(CONFIG_CMD_NAND)
-#include <linux/mtd/nand_legacy.h>
-extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
-
-void nand_init(void)
-{
-	nand_probe(CFG_NAND_BASE);
-	if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) {
-		print_size(nand_dev_desc[0].totlen, "\n");
-	}
-}
+#ifdef CONFIG_LXT971_NO_SLEEP
+	/*
+	 * Disable sleep mode in LXT971
+	 */
+	lxt971_no_sleep();
 #endif
+}
diff --git a/board/esd/cms700/Makefile b/board/esd/cms700/Makefile
index df48766..0d4ab2d 100644
--- a/board/esd/cms700/Makefile
+++ b/board/esd/cms700/Makefile
@@ -33,7 +33,10 @@ CPLD    = ../common/xilinx_jtag/lenval.o \
 	  ../common/xilinx_jtag/micro.o \
 	  ../common/xilinx_jtag/ports.o
 
-COBJS	= $(BOARD).o flash.o ../common/misc.o $(CPLD)
+COBJS	= $(BOARD).o flash.o \
+	../common/misc.o \
+	$(CPLD) \
+	../common/esd405ep_nand.o \
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/board/esd/cms700/cms700.c b/board/esd/cms700/cms700.c
index 635ba2f..2cdd7be 100644
--- a/board/esd/cms700/cms700.c
+++ b/board/esd/cms700/cms700.c
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2005
+ * (C) Copyright 2005-2007
  * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com
  *
  * See file CREDITS for list of people who contributed to this
@@ -23,6 +23,7 @@
 
 #include <common.h>
 #include <asm/processor.h>
+#include <asm/io.h>
 #include <command.h>
 #include <malloc.h>
 
@@ -68,9 +69,9 @@ int board_early_init_f (void)
 	/*
 	 * Reset CPLD via GPIO12 (CS3) pin
 	 */
-	out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_PLD_RESET);
+	out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CFG_PLD_RESET);
 	udelay(1000); /* wait 1ms */
-	out32(GPIO0_OR, in32(GPIO0_OR) | CFG_PLD_RESET);
+	out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CFG_PLD_RESET);
 	udelay(1000); /* wait 1ms */
 
 	return 0;
@@ -94,13 +95,7 @@ int misc_init_r (void)
  	/*
 	 * Setup and enable EEPROM write protection
 	 */
-	out32(GPIO0_OR, in32(GPIO0_OR) | CFG_EEPROM_WP);
-
-	/*
-	 * Set NAND-FLASH GPIO signals to default
-	 */
-	out32(GPIO0_OR, in32(GPIO0_OR) & ~(CFG_NAND_CLE | CFG_NAND_ALE));
-	out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND_CE);
+	out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CFG_EEPROM_WP);
 
 	return (0);
 }
@@ -153,11 +148,6 @@ long int initdram (int board_type)
 	mtdcr(memcfga, mem_mb0cf);
 	val = mfdcr(memcfgd);
 
-#if 0
-	printf("\nmb0cf=%x\n", val); /* test-only */
-	printf("strap=%x\n", mfdcr(strap)); /* test-only */
-#endif
-
 	return (4*1024*1024 << ((val & 0x000e0000) >> 17));
 }
 
@@ -180,17 +170,17 @@ int eeprom_write_enable (unsigned dev_addr, int state)
 		switch (state) {
 		case 1:
 			/* Enable write access, clear bit GPIO_SINT2. */
-			out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_EEPROM_WP);
+			out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CFG_EEPROM_WP);
 			state = 0;
 			break;
 		case 0:
 			/* Disable write access, set bit GPIO_SINT2. */
-			out32(GPIO0_OR, in32(GPIO0_OR) | CFG_EEPROM_WP);
+			out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CFG_EEPROM_WP);
 			state = 0;
 			break;
 		default:
 			/* Read current status back. */
-			state = (0 == (in32(GPIO0_OR) & CFG_EEPROM_WP));
+			state = (0 == (in_be32((void *)GPIO0_OR) & CFG_EEPROM_WP));
 			break;
 		}
 	}
@@ -235,19 +225,6 @@ U_BOOT_CMD(eepwren,	2,	0,	do_eep_wren,
 
 /* ------------------------------------------------------------------------- */
 
-#if defined(CONFIG_CMD_NAND)
-#include <linux/mtd/nand_legacy.h>
-extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
-
-void nand_init(void)
-{
-	nand_probe(CFG_NAND_BASE);
-	if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) {
-		print_size(nand_dev_desc[0].totlen, "\n");
-	}
-}
-#endif
-
 void reset_phy(void)
 {
 #ifdef CONFIG_LXT971_NO_SLEEP
diff --git a/board/esd/common/auto_update.c b/board/esd/common/auto_update.c
index 62f6c20..da147ee 100644
--- a/board/esd/common/auto_update.c
+++ b/board/esd/common/auto_update.c
@@ -31,7 +31,9 @@
 #include <command.h>
 #include <image.h>
 #include <asm/byteorder.h>
+#if defined(CFG_NAND_LEGACY)
 #include <linux/mtd/nand_legacy.h>
+#endif
 #include <fat.h>
 #include <part.h>
 
@@ -294,6 +296,8 @@ int au_do_update(int i, long sz)
 			rc = nand_legacy_rw(nand_dev_desc, NANDRW_WRITE | NANDRW_JFFS2,
 				     start, nbytes, (size_t *)&total, (uchar *)addr);
 			debug ("nand_legacy_rw: ret=%x total=%d nbytes=%d\n", rc, total, nbytes);
+#else
+			rc = -1;
 #endif
 		}
 		if (rc != 0) {
diff --git a/board/esd/common/esd405ep_nand.c b/board/esd/common/esd405ep_nand.c
new file mode 100644
index 0000000..7bf6847
--- /dev/null
+++ b/board/esd/common/esd405ep_nand.c
@@ -0,0 +1,87 @@
+/*
+ * (C) Copyright 2007
+ * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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>
+
+#if defined(CONFIG_CMD_NAND)
+#include <asm/io.h>
+#include <nand.h>
+
+/*
+ * hardware specific access to control-lines
+ */
+static void esd405ep_nand_hwcontrol(struct mtd_info *mtdinfo, int cmd)
+{
+	switch(cmd) {
+	case NAND_CTL_SETCLE:
+		out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CFG_NAND_CLE);
+		break;
+	case NAND_CTL_CLRCLE:
+		out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CFG_NAND_CLE);
+		break;
+	case NAND_CTL_SETALE:
+		out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CFG_NAND_ALE);
+		break;
+	case NAND_CTL_CLRALE:
+		out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CFG_NAND_ALE);
+		break;
+	case NAND_CTL_SETNCE:
+		out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CFG_NAND_CE);
+		break;
+	case NAND_CTL_CLRNCE:
+		out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CFG_NAND_CE);
+		break;
+	}
+}
+
+
+/*
+ * read device ready pin
+ */
+static int esd405ep_nand_device_ready(struct mtd_info *mtdinfo)
+{
+	if (in_be32((void *)GPIO0_IR) & CFG_NAND_RDY)
+		return 1;
+	return 0;
+}
+
+
+int board_nand_init(struct nand_chip *nand)
+{
+	/*
+	 * Set NAND-FLASH GPIO signals to defaults
+	 */
+	out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~(CFG_NAND_CLE | CFG_NAND_ALE));
+	out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CFG_NAND_CE);
+
+	/*
+	 * Initialize nand_chip structure
+	 */
+	nand->hwcontrol = esd405ep_nand_hwcontrol;
+	nand->dev_ready = esd405ep_nand_device_ready;
+	nand->eccmode = NAND_ECC_SOFT;
+	nand->chip_delay = NAND_BIG_DELAY_US;
+	nand->options = NAND_SAMSUNG_LP_OPTIONS;
+	return 0;
+}
+#endif
diff --git a/board/esd/hh405/Makefile b/board/esd/hh405/Makefile
index ce7876c..0e5e57a 100644
--- a/board/esd/hh405/Makefile
+++ b/board/esd/hh405/Makefile
@@ -28,7 +28,10 @@ endif
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	= $(BOARD).o flash.o ../common/misc.o ../common/auto_update.o
+COBJS	= $(BOARD).o flash.o \
+	../common/misc.o \
+	../common/esd405ep_nand.o \
+	../common/auto_update.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/board/esd/hh405/hh405.c b/board/esd/hh405/hh405.c
index 9ef5907..67b5d54 100644
--- a/board/esd/hh405/hh405.c
+++ b/board/esd/hh405/hh405.c
@@ -5,7 +5,7 @@
  * (C) Copyright 2005
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
- * (C) Copyright 2006
+ * (C) Copyright 2006-2007
  * Matthias Fuchs, esd GmbH, matthias.fuchs@esd-electronics.com
  *
  * See file CREDITS for list of people who contributed to this
@@ -477,12 +477,6 @@ int misc_init_r (void)
 	out32(GPIO0_OR, in32(GPIO0_OR) | CFG_EEPROM_WP);
 
 	/*
-	 * Set NAND-FLASH GPIO signals to default
-	 */
-	out32(GPIO0_OR, in32(GPIO0_OR) & ~(CFG_NAND_CLE | CFG_NAND_ALE));
-	out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND_CE);
-
-	/*
 	 * Reset touch-screen controller
 	 */
 	out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_TOUCH_RST);
@@ -690,20 +684,6 @@ void ide_set_reset(int on)
 #endif /* CONFIG_IDE_RESET */
 
 
-#if defined(CONFIG_CMD_NAND)
-#include <linux/mtd/nand_legacy.h>
-extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
-
-void nand_init(void)
-{
-	nand_probe(CFG_NAND_BASE);
-	if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) {
-		print_size(nand_dev_desc[0].totlen, "\n");
-	}
-}
-#endif
-
-
 #if defined(CFG_EEPROM_WREN)
 /* Input: <dev_addr>  I2C address of EEPROM device to enable.
  *         <state>     -1: deliver current state
diff --git a/board/esd/hub405/Makefile b/board/esd/hub405/Makefile
index 4d75868..308f752 100644
--- a/board/esd/hub405/Makefile
+++ b/board/esd/hub405/Makefile
@@ -28,7 +28,9 @@ endif
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	= $(BOARD).o flash.o ../common/misc.o
+COBJS	= $(BOARD).o flash.o \
+	../common/misc.o \
+	../common/esd405ep_nand.o \
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/board/esd/hub405/hub405.c b/board/esd/hub405/hub405.c
index dd3706e..25c8068 100644
--- a/board/esd/hub405/hub405.c
+++ b/board/esd/hub405/hub405.c
@@ -153,12 +153,6 @@ int misc_init_r (void)
 	out32(GPIO0_OR, val);
 
 	/*
-	 * Set NAND-FLASH GPIO signals to default
-	 */
-	out32(GPIO0_OR, in32(GPIO0_OR) & ~(CFG_NAND_CLE | CFG_NAND_ALE));
-	out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND_CE);
-
-	/*
 	 * check board type and setup AP power
 	 */
 	str = getenv("bd_type"); /* this is only set on non prototype hardware */
@@ -242,33 +236,5 @@ long int initdram (int board_type)
 	mtdcr(memcfga, mem_mb0cf);
 	val = mfdcr(memcfgd);
 
-#if 0
-	printf("\nmb0cf=%x\n", val); /* test-only */
-	printf("strap=%x\n", mfdcr(strap)); /* test-only */
-#endif
-
 	return (4*1024*1024 << ((val & 0x000e0000) >> 17));
 }
-
-
-int testdram (void)
-{
-	/* TODO: XXX XXX XXX */
-	printf ("test: 16 MB - ok\n");
-
-	return (0);
-}
-
-
-#if defined(CONFIG_CMD_NAND)
-#include <linux/mtd/nand_legacy.h>
-extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
-
-void nand_init(void)
-{
-	nand_probe(CFG_NAND_BASE);
-	if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) {
-		print_size(nand_dev_desc[0].totlen, "\n");
-	}
-}
-#endif
diff --git a/board/esd/plu405/Makefile b/board/esd/plu405/Makefile
index ce7876c..0e5e57a 100644
--- a/board/esd/plu405/Makefile
+++ b/board/esd/plu405/Makefile
@@ -28,7 +28,10 @@ endif
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	= $(BOARD).o flash.o ../common/misc.o ../common/auto_update.o
+COBJS	= $(BOARD).o flash.o \
+	../common/misc.o \
+	../common/esd405ep_nand.o \
+	../common/auto_update.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/board/esd/plu405/plu405.c b/board/esd/plu405/plu405.c
index 920f717..f026a7a 100644
--- a/board/esd/plu405/plu405.c
+++ b/board/esd/plu405/plu405.c
@@ -23,6 +23,7 @@
 
 #include <common.h>
 #include <asm/processor.h>
+#include <asm/io.h>
 #include <command.h>
 #include <malloc.h>
 
@@ -31,6 +32,8 @@
 #define FPGA_DEBUG
 #endif
 
+DECLARE_GLOBAL_DATA_PTR;
+
 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
 extern void lxt971_no_sleep(void);
 
@@ -114,6 +117,10 @@ int misc_init_r (void)
 	int index;
 	int i;
 
+	/* adjust flash start and offset */
+	gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+	gd->bd->bi_flashoffset = 0;
+
 	dst = malloc(CFG_FPGA_MAX_SIZE);
 	if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
 		printf ("GUNZIP ERROR - must RESET board to recover\n");
@@ -177,18 +184,12 @@ int misc_init_r (void)
 	/*
 	 * Reset external DUARTs
 	 */
-	out32(GPIO0_OR, in32(GPIO0_OR) | CFG_DUART_RST); /* set reset to high */
+	out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CFG_DUART_RST);
 	udelay(10); /* wait 10us */
-	out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_DUART_RST); /* set reset to low */
+	out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CFG_DUART_RST);
 	udelay(1000); /* wait 1ms */
 
 	/*
-	 * Set NAND-FLASH GPIO signals to default
-	 */
-	out32(GPIO0_OR, in32(GPIO0_OR) & ~(CFG_NAND_CLE | CFG_NAND_ALE));
-	out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND_CE);
-
-	/*
 	 * Enable interrupts in exar duart mcr[3]
 	 */
 	*duart0_mcr = 0x08;
@@ -226,24 +227,10 @@ long int initdram (int board_type)
 	mtdcr(memcfga, mem_mb0cf);
 	val = mfdcr(memcfgd);
 
-#if 0
-	printf("\nmb0cf=%x\n", val); /* test-only */
-	printf("strap=%x\n", mfdcr(strap)); /* test-only */
-#endif
-
 	return (4*1024*1024 << ((val & 0x000e0000) >> 17));
 }
 
 
-int testdram (void)
-{
-	/* TODO: XXX XXX XXX */
-	printf ("test: 16 MB - ok\n");
-
-	return (0);
-}
-
-
 #ifdef CONFIG_IDE_RESET
 void ide_set_reset(int on)
 {
@@ -262,31 +249,6 @@ void ide_set_reset(int on)
 #endif /* CONFIG_IDE_RESET */
 
 
-#if defined(CONFIG_CMD_NAND)
-#include <linux/mtd/nand_legacy.h>
-extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
-
-void nand_init(void)
-{
-	nand_probe(CFG_NAND_BASE);
-	if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) {
-		print_size(nand_dev_desc[0].totlen, "\n");
-	}
-}
-#endif
-
-
-#ifdef CONFIG_AUTO_UPDATE_SHOW
-void board_auto_update_show(int au_active)
-{
-	if (au_active) {
-		printf("\n Dies ist die board-funktion: Updating!!!\n");
-	} else {
-		printf("\n Dies ist die board-funktion: Updating done!!!\n");
-	}
-}
-#endif
-
 void reset_phy(void)
 {
 #ifdef CONFIG_LXT971_NO_SLEEP
diff --git a/board/esd/voh405/Makefile b/board/esd/voh405/Makefile
index 4d75868..308f752 100644
--- a/board/esd/voh405/Makefile
+++ b/board/esd/voh405/Makefile
@@ -28,7 +28,9 @@ endif
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	= $(BOARD).o flash.o ../common/misc.o
+COBJS	= $(BOARD).o flash.o \
+	../common/misc.o \
+	../common/esd405ep_nand.o \
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/board/esd/voh405/voh405.c b/board/esd/voh405/voh405.c
index 3e118e7..2857a0be 100644
--- a/board/esd/voh405/voh405.c
+++ b/board/esd/voh405/voh405.c
@@ -195,12 +195,6 @@ int misc_init_r (void)
 	udelay(1000); /* wait 1ms */
 
 	/*
-	 * Set NAND-FLASH GPIO signals to default
-	 */
-	out32(GPIO0_OR, in32(GPIO0_OR) & ~(CFG_NAND_CLE | CFG_NAND_ALE));
-	out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND_CE);
-
-	/*
 	 * Enable interrupts in exar duart mcr[3]
 	 */
 	*duart0_mcr = 0x08;
@@ -340,17 +334,3 @@ void ide_set_reset(int on)
 	}
 }
 #endif /* CONFIG_IDE_RESET */
-
-
-#if defined(CONFIG_CMD_NAND)
-#include <linux/mtd/nand_legacy.h>
-extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
-
-void nand_init(void)
-{
-	nand_probe(CFG_NAND_BASE);
-	if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) {
-		print_size(nand_dev_desc[0].totlen, "\n");
-	}
-}
-#endif
diff --git a/board/esd/wuh405/Makefile b/board/esd/wuh405/Makefile
index 4d75868..308f752 100644
--- a/board/esd/wuh405/Makefile
+++ b/board/esd/wuh405/Makefile
@@ -28,7 +28,9 @@ endif
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	= $(BOARD).o flash.o ../common/misc.o
+COBJS	= $(BOARD).o flash.o \
+	../common/misc.o \
+	../common/esd405ep_nand.o \
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/board/esd/wuh405/wuh405.c b/board/esd/wuh405/wuh405.c
index 61d1d6c..dba3ce8 100644
--- a/board/esd/wuh405/wuh405.c
+++ b/board/esd/wuh405/wuh405.c
@@ -170,12 +170,6 @@ int misc_init_r (void)
 	udelay(1000); /* wait 1ms */
 
 	/*
-	 * Set NAND-FLASH GPIO signals to default
-	 */
-	out32(GPIO0_OR, in32(GPIO0_OR) & ~(CFG_NAND_CLE | CFG_NAND_ALE));
-	out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND_CE);
-
-	/*
 	 * Enable interrupts in exar duart mcr[3]
 	 */
 	*duart0_mcr = 0x08;
@@ -218,35 +212,5 @@ long int initdram (int board_type)
 	mtdcr(memcfga, mem_mb0cf);
 	val = mfdcr(memcfgd);
 
-#if 0
-	printf("\nmb0cf=%x\n", val); /* test-only */
-	printf("strap=%x\n", mfdcr(strap)); /* test-only */
-#endif
-
 	return (4*1024*1024 << ((val & 0x000e0000) >> 17));
 }
-
-/* ------------------------------------------------------------------------- */
-
-int testdram (void)
-{
-	/* TODO: XXX XXX XXX */
-	printf ("test: 16 MB - ok\n");
-
-	return (0);
-}
-
-/* ------------------------------------------------------------------------- */
-
-#if defined(CONFIG_CMD_NAND)
-#include <linux/mtd/nand_legacy.h>
-extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
-
-void nand_init(void)
-{
-	nand_probe(CFG_NAND_BASE);
-	if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) {
-		print_size(nand_dev_desc[0].totlen, "\n");
-	}
-}
-#endif