nand: mxc: Switch NAND SPL to generic SPL

This also fixes support for mx31pdk and tx25, which had been broken by commit
e05e5de7fae5bec79617e113916dac6631251156.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Acked-by: Scott Wood <scottwood@freescale.com>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>

6 files changed, 0 insertions, 696 deletions

diff --git a/nand_spl/board/freescale/mx31pdk/Makefile b/nand_spl/board/freescale/mx31pdk/Makefile
deleted file mode 100644
index 3d57059..0000000
--- a/nand_spl/board/freescale/mx31pdk/Makefile
+++ /dev/null
@@ -1,63 +0,0 @@
-CONFIG_NAND_SPL	= y
-PAD_TO	:= 2048
-
-include $(TOPDIR)/config.mk
-
-nandobj	:= $(OBJTREE)/nand_spl/
-
-LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
-LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(LDFLAGS) \
-	   $(LDFLAGS_FINAL)
-AFLAGS	+= -DCONFIG_SPL_BUILD -DCONFIG_NAND_SPL
-CFLAGS	+= -DCONFIG_SPL_BUILD -DCONFIG_NAND_SPL
-
-SOBJS	= start.o crt0.o lowlevel_init.o
-COBJS	= nand_boot_fsl_nfc.o
-
-SRCS	:= $(SRCTREE)/nand_spl/nand_boot_fsl_nfc.c
-SRCS	+= $(SRCTREE)/arch/arm/cpu/arm1136/start.S
-SRCS	+= $(SRCTREE)/arch/arm/lib/crt0.S
-SRCS	+= $(SRCTREE)/board/freescale/mx31pdk/lowlevel_init.S
-OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
-__OBJS	:= $(SOBJS) $(COBJS)
-LNDIR	:= $(nandobj)board/$(BOARDDIR)
-
-ALL	= $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
-
-all:	$(obj).depend $(ALL)
-
-$(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
-	$(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@
-
-$(nandobj)u-boot-spl.bin:	$(nandobj)u-boot-spl
-	$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
-
-$(nandobj)u-boot-spl:	$(OBJS) $(nandobj)u-boot.lds
-	cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
-		-Map $(nandobj)u-boot-spl.map \
-		-o $@
-
-$(nandobj)u-boot.lds: $(LDSCRIPT)
-	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(nandobj)/board/$(BOARDDIR) \
-		-ansi -D__ASSEMBLY__ -P - <$< >$@
-
-#########################################################################
-
-$(obj)%.o:	$(SRCTREE)/arch/arm/cpu/arm1136/%.S
-	$(CC) $(AFLAGS) -c -o $@ $<
-
-$(obj)%.o:	$(SRCTREE)/arch/arm/lib/%.S
-	$(CC) $(AFLAGS) -c -o $@ $<
-
-$(obj)%.o:	$(SRCTREE)/board/freescale/mx31pdk/%.S
-	$(CC) $(AFLAGS) -c -o $@ $<
-
-$(obj)%.o:	$(SRCTREE)/nand_spl/%.c
-	$(CC) $(CFLAGS) -c -o $@ $<
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
diff --git a/nand_spl/board/freescale/mx31pdk/u-boot.lds b/nand_spl/board/freescale/mx31pdk/u-boot.lds
deleted file mode 100644
index 5f2b5e2..0000000
--- a/nand_spl/board/freescale/mx31pdk/u-boot.lds
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * (C) Copyright 2009
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * 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
- */
-OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
-OUTPUT_ARCH(arm)
-ENTRY(_start)
-SECTIONS
-{
-	. = 0x00000000;
-
-	. = ALIGN(4);
-	.text :
-	{
-		start.o			(.text)
-		lowlevel_init.o		(.text)
-		nand_boot_fsl_nfc.o	(.text)
-		*(.text)
-		. = 2K;
-	}
-
-	. = ALIGN(4);
-	.rodata : { *(.rodata) }
-
-	. = ALIGN(4);
-	.data : {
-		*(.data)
-	}
-
-	. = ALIGN(4);
-
-	. = ALIGN(4);
-	.u_boot_list : {
-		*(SORT(.u_boot_list*));
-	}
-
-	. = ALIGN(4);
-
-	__image_copy_end = .;
-
-	.rel.dyn : {
-		__rel_dyn_start = .;
-		*(.rel*)
-		__rel_dyn_end = .;
-	}
-
-	.dynsym : {
-		__dynsym_start = .;
-		*(.dynsym)
-	}
-
-	_end = .;
-
-	.bss __rel_dyn_start (OVERLAY) : {
-		__bss_start = .;
-		*(.bss)
-		 . = ALIGN(4);
-		__bss_end = .;
-	}
-
-	/DISCARD/ : { *(.bss*) }
-	/DISCARD/ : { *(.dynstr*) }
-	/DISCARD/ : { *(.dynsym*) }
-	/DISCARD/ : { *(.dynamic*) }
-	/DISCARD/ : { *(.hash*) }
-	/DISCARD/ : { *(.plt*) }
-	/DISCARD/ : { *(.interp*) }
-	/DISCARD/ : { *(.gnu*) }
-}
diff --git a/nand_spl/board/karo/tx25/Makefile b/nand_spl/board/karo/tx25/Makefile
deleted file mode 100644
index 9f9c589..0000000
--- a/nand_spl/board/karo/tx25/Makefile
+++ /dev/null
@@ -1,84 +0,0 @@
-#
-# (C) Copyright 2009 DENX Software Engineering
-#
-# 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 Foundatio; 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
-#
-CONFIG_NAND_SPL	= y
-
-include $(TOPDIR)/config.mk
-include $(TOPDIR)/nand_spl/board/$(BOARDDIR)/config.mk
-
-nandobj	:= $(OBJTREE)/nand_spl/
-
-LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
-LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(LDFLAGS) \
-	   $(LDFLAGS_FINAL)
-AFLAGS	+= -DCONFIG_SPL_BUILD -DCONFIG_NAND_SPL
-CFLAGS	+= -DCONFIG_SPL_BUILD -DCONFIG_NAND_SPL
-
-SOBJS	= start.o crt0.o lowlevel_init.o
-COBJS	= nand_boot_fsl_nfc.o
-
-SRCS	:= $(SRCTREE)/nand_spl/nand_boot_fsl_nfc.c
-SRCS	+= $(SRCTREE)/arch/arm/cpu/arm926ejs/start.S
-SRCS	+= $(SRCTREE)/arch/arm/lib/crt0.S
-SRCS	+= $(SRCTREE)/board/karo/tx25/lowlevel_init.S
-OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
-__OBJS	:= $(SOBJS) $(COBJS)
-LNDIR	:= $(nandobj)board/$(BOARDDIR)
-
-ALL	= $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
-
-all:	$(obj).depend $(ALL)
-
-$(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
-	$(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@
-
-$(nandobj)u-boot-spl.bin:	$(nandobj)u-boot-spl
-	$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
-
-$(nandobj)u-boot-spl:	$(OBJS) $(nandobj)u-boot.lds
-	cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
-		-Map $(nandobj)u-boot-spl.map \
-		-o $@
-
-$(nandobj)u-boot.lds: $(LDSCRIPT)
-	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(nandobj)/board/$(BOARDDIR) \
-		-ansi -D__ASSEMBLY__ -P - <$< >$@
-
-#########################################################################
-
-$(obj)%.o:	$(SRCTREE)/arch/arm/cpu/arm926ejs/%.S
-	$(CC) $(AFLAGS) -c -o $@ $<
-
-$(obj)%.o:	$(SRCTREE)/arch/arm/lib/%.S
-	$(CC) $(AFLAGS) -c -o $@ $<
-
-$(obj)%.o:	$(SRCTREE)/board/karo/tx25/%.S
-	$(CC) $(AFLAGS) -c -o $@ $<
-
-$(obj)%.o:	$(SRCTREE)/nand_spl/%.c
-	$(CC) $(CFLAGS) -c -o $@ $<
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
diff --git a/nand_spl/board/karo/tx25/config.mk b/nand_spl/board/karo/tx25/config.mk
deleted file mode 100644
index 68afbf1..0000000
--- a/nand_spl/board/karo/tx25/config.mk
+++ /dev/null
@@ -1 +0,0 @@
-PAD_TO	:= 2048
diff --git a/nand_spl/board/karo/tx25/u-boot.lds b/nand_spl/board/karo/tx25/u-boot.lds
deleted file mode 100644
index e5363e2..0000000
--- a/nand_spl/board/karo/tx25/u-boot.lds
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * (C) Copyright 2009
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * 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
- */
-OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
-OUTPUT_ARCH(arm)
-ENTRY(_start)
-SECTIONS
-{
-	. = 0x00000000;
-
-	. = ALIGN(4);
-	.text :
-	{
-		start.o			(.text)
-		lowlevel_init.o		(.text)
-		nand_boot_fsl_nfc.o	(.text)
-		*(.text)
-		. = 2K;
-	}
-
-	. = ALIGN(4);
-	.rodata : { *(.rodata) }
-
-	. = ALIGN(4);
-	.data : {
-		*(.data)
-	}
-
-	. = ALIGN(4);
-
-	. = ALIGN(4);
-	.u_boot_list : {
-	*(SORT(.u_boot_list*));
-	}
-
-	. = ALIGN(4);
-
-	__image_copy_end = .;
-
-	.rel.dyn : {
-		__rel_dyn_start = .;
-		*(.rel*)
-		__rel_dyn_end = .;
-	}
-
-	.dynsym : {
-		__dynsym_start = .;
-		*(.dynsym)
-	}
-
-	_end = .;
-
-	.bss __rel_dyn_start (OVERLAY) : {
-		__bss_start = .;
-		*(.bss)
-		 . = ALIGN(4);
-		__bss_end = .;
-	}
-
-	/DISCARD/ : { *(.bss*) }
-	/DISCARD/ : { *(.dynstr*) }
-	/DISCARD/ : { *(.dynsym*) }
-	/DISCARD/ : { *(.dynamic*) }
-	/DISCARD/ : { *(.hash*) }
-	/DISCARD/ : { *(.plt*) }
-	/DISCARD/ : { *(.interp*) }
-	/DISCARD/ : { *(.gnu*) }
-}
diff --git a/nand_spl/nand_boot_fsl_nfc.c b/nand_spl/nand_boot_fsl_nfc.c
deleted file mode 100644
index 1096727..0000000
--- a/nand_spl/nand_boot_fsl_nfc.c
+++ /dev/null
@@ -1,374 +0,0 @@
-/*
- * (C) Copyright 2009
- * Magnus Lilja <lilja.magnus@gmail.com>
- *
- * (C) Copyright 2008
- * Maxim Artamonov, <scn1874 at yandex.ru>
- *
- * (C) Copyright 2006-2008
- * Stefan Roese, DENX Software Engineering, sr at denx.de.
- *
- * 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/imx-regs.h>
-#include <asm/io.h>
-#include <fsl_nfc.h>
-
-#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
-static struct fsl_nfc_regs *const nfc = (void *)NFC_BASE_ADDR;
-#elif defined(MXC_NFC_V3_2)
-static struct fsl_nfc_regs *const nfc = (void *)NFC_BASE_ADDR_AXI;
-static struct fsl_nfc_ip_regs *const nfc_ip = (void *)NFC_BASE_ADDR;
-#endif
-
-static void nfc_wait_ready(void)
-{
-	uint32_t tmp;
-
-#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
-	while (!(readnfc(&nfc->config2) & NFC_V1_V2_CONFIG2_INT))
-		;
-
-	/* Reset interrupt flag */
-	tmp = readnfc(&nfc->config2);
-	tmp &= ~NFC_V1_V2_CONFIG2_INT;
-	writenfc(tmp, &nfc->config2);
-#elif defined(MXC_NFC_V3_2)
-	while (!(readnfc(&nfc_ip->ipc) & NFC_V3_IPC_INT))
-		;
-
-	/* Reset interrupt flag */
-	tmp = readnfc(&nfc_ip->ipc);
-	tmp &= ~NFC_V3_IPC_INT;
-	writenfc(tmp, &nfc_ip->ipc);
-#endif
-}
-
-static void nfc_nand_init(void)
-{
-#if defined(MXC_NFC_V3_2)
-	int ecc_per_page = CONFIG_SYS_NAND_PAGE_SIZE / 512;
-	int tmp;
-
-	tmp = (readnfc(&nfc_ip->config2) & ~(NFC_V3_CONFIG2_SPAS_MASK |
-			NFC_V3_CONFIG2_EDC_MASK | NFC_V3_CONFIG2_PS_MASK)) |
-		NFC_V3_CONFIG2_SPAS(CONFIG_SYS_NAND_SPARE_SIZE / 2) |
-		NFC_V3_CONFIG2_INT_MSK | NFC_V3_CONFIG2_ECC_EN |
-		NFC_V3_CONFIG2_ONE_CYCLE;
-	if (CONFIG_SYS_NAND_PAGE_SIZE == 4096)
-		tmp |= NFC_V3_CONFIG2_PS_4096;
-	else if (CONFIG_SYS_NAND_PAGE_SIZE == 2048)
-		tmp |= NFC_V3_CONFIG2_PS_2048;
-	else if (CONFIG_SYS_NAND_PAGE_SIZE == 512)
-		tmp |= NFC_V3_CONFIG2_PS_512;
-	/*
-	 * if spare size is larger that 16 bytes per 512 byte hunk
-	 * then use 8 symbol correction instead of 4
-	 */
-	if (CONFIG_SYS_NAND_SPARE_SIZE / ecc_per_page > 16)
-		tmp |= NFC_V3_CONFIG2_ECC_MODE_8;
-	else
-		tmp &= ~NFC_V3_CONFIG2_ECC_MODE_8;
-	writenfc(tmp, &nfc_ip->config2);
-
-	tmp = NFC_V3_CONFIG3_NUM_OF_DEVS(0) |
-			NFC_V3_CONFIG3_NO_SDMA |
-			NFC_V3_CONFIG3_RBB_MODE |
-			NFC_V3_CONFIG3_SBB(6) | /* Reset default */
-			NFC_V3_CONFIG3_ADD_OP(0);
-#ifndef CONFIG_SYS_NAND_BUSWIDTH_16
-	tmp |= NFC_V3_CONFIG3_FW8;
-#endif
-	writenfc(tmp, &nfc_ip->config3);
-
-	writenfc(0, &nfc_ip->delay_line);
-#elif defined(MXC_NFC_V2_1)
-	int ecc_per_page = CONFIG_SYS_NAND_PAGE_SIZE / 512;
-	int config1;
-
-	writenfc(CONFIG_SYS_NAND_SPARE_SIZE / 2, &nfc->spare_area_size);
-
-	/* unlocking RAM Buff */
-	writenfc(0x2, &nfc->config);
-
-	/* hardware ECC checking and correct */
-	config1 = readnfc(&nfc->config1) | NFC_V1_V2_CONFIG1_ECC_EN |
-			NFC_V1_V2_CONFIG1_INT_MSK | NFC_V2_CONFIG1_ONE_CYCLE |
-			NFC_V2_CONFIG1_FP_INT;
-	/*
-	 * if spare size is larger that 16 bytes per 512 byte hunk
-	 * then use 8 symbol correction instead of 4
-	 */
-	if (CONFIG_SYS_NAND_SPARE_SIZE / ecc_per_page > 16)
-		config1 &= ~NFC_V2_CONFIG1_ECC_MODE_4;
-	else
-		config1 |= NFC_V2_CONFIG1_ECC_MODE_4;
-	writenfc(config1, &nfc->config1);
-#elif defined(MXC_NFC_V1)
-	/* unlocking RAM Buff */
-	writenfc(0x2, &nfc->config);
-
-	/* hardware ECC checking and correct */
-	writenfc(NFC_V1_V2_CONFIG1_ECC_EN | NFC_V1_V2_CONFIG1_INT_MSK,
-			&nfc->config1);
-#endif
-}
-
-static void nfc_nand_command(unsigned short command)
-{
-	writenfc(command, &nfc->flash_cmd);
-	writenfc(NFC_CMD, &nfc->operation);
-	nfc_wait_ready();
-}
-
-static void nfc_nand_address(unsigned short address)
-{
-	writenfc(address, &nfc->flash_addr);
-	writenfc(NFC_ADDR, &nfc->operation);
-	nfc_wait_ready();
-}
-
-static void nfc_nand_page_address(unsigned int page_address)
-{
-	unsigned int page_count;
-
-	nfc_nand_address(0x00);
-
-	/* code only for large page flash */
-	if (CONFIG_SYS_NAND_PAGE_SIZE > 512)
-		nfc_nand_address(0x00);
-
-	page_count = CONFIG_SYS_NAND_SIZE / CONFIG_SYS_NAND_PAGE_SIZE;
-
-	if (page_address <= page_count) {
-		page_count--; /* transform 0x01000000 to 0x00ffffff */
-		do {
-			nfc_nand_address(page_address & 0xff);
-			page_address = page_address >> 8;
-			page_count = page_count >> 8;
-		} while (page_count);
-	}
-
-	nfc_nand_address(0x00);
-}
-
-static void nfc_nand_data_output(void)
-{
-#ifdef NAND_MXC_2K_MULTI_CYCLE
-	int i;
-#endif
-
-#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
-	writenfc(0, &nfc->buf_addr);
-#elif defined(MXC_NFC_V3_2)
-	int config1 = readnfc(&nfc->config1);
-	config1 &= ~NFC_V3_CONFIG1_RBA_MASK;
-	writenfc(config1, &nfc->config1);
-#endif
-	writenfc(NFC_OUTPUT, &nfc->operation);
-	nfc_wait_ready();
-#ifdef NAND_MXC_2K_MULTI_CYCLE
-	/*
-	 * This NAND controller requires multiple input commands
-	 * for pages larger than 512 bytes.
-	 */
-	for (i = 1; i < CONFIG_SYS_NAND_PAGE_SIZE / 512; i++) {
-		writenfc(i, &nfc->buf_addr);
-		writenfc(NFC_OUTPUT, &nfc->operation);
-		nfc_wait_ready();
-	}
-#endif
-}
-
-static int nfc_nand_check_ecc(void)
-{
-#if defined(MXC_NFC_V1)
-	u16 ecc_status = readw(&nfc->ecc_status_result);
-	return (ecc_status & 0x3) == 2 || (ecc_status >> 2) == 2;
-#elif defined(MXC_NFC_V2_1) || defined(MXC_NFC_V3_2)
-	u32 ecc_status = readl(&nfc->ecc_status_result);
-	int ecc_per_page = CONFIG_SYS_NAND_PAGE_SIZE / 512;
-	int err_limit = CONFIG_SYS_NAND_SPARE_SIZE / ecc_per_page > 16 ? 8 : 4;
-	int subpages = CONFIG_SYS_NAND_PAGE_SIZE / 512;
-
-	do {
-		if ((ecc_status & 0xf) > err_limit)
-			return 1;
-		ecc_status >>= 4;
-	} while (--subpages);
-
-	return 0;
-#endif
-}
-
-static void nfc_nand_read_page(unsigned int page_address)
-{
-	/* read in first 0 buffer */
-#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
-	writenfc(0, &nfc->buf_addr);
-#elif defined(MXC_NFC_V3_2)
-	int config1 = readnfc(&nfc->config1);
-	config1 &= ~NFC_V3_CONFIG1_RBA_MASK;
-	writenfc(config1, &nfc->config1);
-#endif
-	nfc_nand_command(NAND_CMD_READ0);
-	nfc_nand_page_address(page_address);
-
-	if (CONFIG_SYS_NAND_PAGE_SIZE > 512)
-		nfc_nand_command(NAND_CMD_READSTART);
-
-	nfc_nand_data_output(); /* fill the main buffer 0 */
-}
-
-static int nfc_read_page(unsigned int page_address, unsigned char *buf)
-{
-	int i;
-	u32 *src;
-	u32 *dst;
-
-	nfc_nand_read_page(page_address);
-
-	if (nfc_nand_check_ecc())
-		return -1;
-
-	src = (u32 *)&nfc->main_area[0][0];
-	dst = (u32 *)buf;
-
-	/* main copy loop from NAND-buffer to SDRAM memory */
-	for (i = 0; i < CONFIG_SYS_NAND_PAGE_SIZE / 4; i++) {
-		writel(readl(src), dst);
-		src++;
-		dst++;
-	}
-
-	return 0;
-}
-
-static int is_badblock(int pagenumber)
-{
-	int page = pagenumber;
-	u32 badblock;
-	u32 *src;
-
-	/* Check the first two pages for bad block markers */
-	for (page = pagenumber; page < pagenumber + 2; page++) {
-		nfc_nand_read_page(page);
-
-		src = (u32 *)&nfc->spare_area[0][0];
-
-		/*
-		 * IMPORTANT NOTE: The nand flash controller uses a non-
-		 * standard layout for large page devices. This can
-		 * affect the position of the bad block marker.
-		 */
-		/* Get the bad block marker */
-		badblock = readl(&src[CONFIG_SYS_NAND_BAD_BLOCK_POS / 4]);
-		badblock >>= 8 * (CONFIG_SYS_NAND_BAD_BLOCK_POS % 4);
-		badblock &= 0xff;
-
-		/* bad block marker verify */
-		if (badblock != 0xff)
-			return 1; /* potential bad block */
-	}
-
-	return 0;
-}
-
-static int nand_load(unsigned int from, unsigned int size, unsigned char *buf)
-{
-	int i;
-	unsigned int page;
-	unsigned int maxpages = CONFIG_SYS_NAND_SIZE /
-				CONFIG_SYS_NAND_PAGE_SIZE;
-
-	nfc_nand_init();
-
-	/* Convert to page number */
-	page = from / CONFIG_SYS_NAND_PAGE_SIZE;
-	i = 0;
-
-	while (i < size / CONFIG_SYS_NAND_PAGE_SIZE) {
-		if (nfc_read_page(page, buf) < 0)
-			return -1;
-
-		page++;
-		i++;
-		buf = buf + CONFIG_SYS_NAND_PAGE_SIZE;
-
-		/*
-		 * Check if we have crossed a block boundary, and if so
-		 * check for bad block.
-		 */
-		if (!(page % CONFIG_SYS_NAND_PAGE_COUNT)) {
-			/*
-			 * Yes, new block. See if this block is good. If not,
-			 * loop until we find a good block.
-			 */
-			while (is_badblock(page)) {
-				page = page + CONFIG_SYS_NAND_PAGE_COUNT;
-				/* Check i we've reached the end of flash. */
-				if (page >= maxpages)
-					return -1;
-			}
-		}
-	}
-
-	return 0;
-}
-
-#if defined(CONFIG_ARM)
-void board_init_f (ulong bootflag)
-{
-	relocate_code (CONFIG_SYS_TEXT_BASE - TOTAL_MALLOC_LEN, NULL,
-		       CONFIG_SYS_TEXT_BASE);
-}
-#endif
-
-/*
- * The main entry for NAND booting. It's necessary that SDRAM is already
- * configured and available since this code loads the main U-Boot image
- * from NAND into SDRAM and starts it from there.
- */
-void nand_boot(void)
-{
-	__attribute__((noreturn)) void (*uboot)(void);
-
-	/*
-	 * CONFIG_SYS_NAND_U_BOOT_OFFS and CONFIG_SYS_NAND_U_BOOT_SIZE must
-	 * be aligned to full pages
-	 */
-	if (!nand_load(CONFIG_SYS_NAND_U_BOOT_OFFS, CONFIG_SYS_NAND_U_BOOT_SIZE,
-		       (uchar *)CONFIG_SYS_NAND_U_BOOT_DST)) {
-		/* Copy from NAND successful, start U-boot */
-		uboot = (void *)CONFIG_SYS_NAND_U_BOOT_START;
-		uboot();
-	} else {
-		/* Unrecoverable error when copying from NAND */
-		hang();
-	}
-}
-
-/*
- * Called in case of an exception.
- */
-void hang(void)
-{
-	/* Loop forever */
-	while (1) ;
-}