Add support for PCS440EP board

Patch by Stefan Roese, 02 Jun 2006

14 files changed, 1985 insertions, 48 deletions

diff --git a/CHANGELOG b/CHANGELOG
index 4aab6fc04..facc6c297 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -7,6 +7,9 @@ Changes since U-Boot 1.1.4:
   MPC8272 boards. Eventually this should be used on all boards?]
   Patch by Wolfgang Grandegger, 17 Jan 2006
 
+* Add support for PCS440EP board
+  Patch by Stefan Roese, 02 Jun 2006
+
 * Correct GPIO setup (UART1/IRQ's) on yosemite & yellowstone
   Patch by Stefan Roese, 29 May 2006
 
diff --git a/MAINTAINERS b/MAINTAINERS
index ab4a33b88..2e5bfe2ea 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -283,6 +283,7 @@ Stefan Roese <sr@denx.de>
 	ebony			PPC440GP
 	ocotea			PPC440GX
 	p3p440			PPC440GP
+	pcs440ep		PPC440EP
 	sycamore		PPC405GPr
 	walnut			PPC405GP
 	yellowstone		PPC440GR
diff --git a/MAKEALL b/MAKEALL
index 28cde656f..5b5637708 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -71,11 +71,11 @@ LIST_4xx="	\
 	HH405		HUB405		JSE		KAREF		\
 	luan		METROBOX	MIP405		MIP405T		\
 	ML2		ml300		ocotea		OCRTC		\
-	ORSG		p3p440		PCI405		PIP405		\
-	PLU405		PMC405	        PPChameleonEVB	sbc405		\
-	VOH405		VOM405          W7OLMC		W7OLMG		\
-	walnut		WUH405		XPEDITE1K	yellowstone	\
-	yosemite							\
+	ORSG		p3p440		PCI405		pcs440ep	\
+	PIP405		PLU405		PMC405	        PPChameleonEVB	\
+	sbc405		VOH405		VOM405          W7OLMC		\
+	W7OLMG		walnut		WUH405		XPEDITE1K	\
+	yellowstone	yosemite					\
 "
 
 #########################################################################
diff --git a/Makefile b/Makefile
index 41a3624ff..2e8ee98db 100644
--- a/Makefile
+++ b/Makefile
@@ -919,6 +919,9 @@ p3p440_config:	unconfig
 PCI405_config:	unconfig
 	@./mkconfig $(@:_config=) ppc ppc4xx pci405 esd
 
+pcs440ep_config:	unconfig
+	@./mkconfig $(@:_config=) ppc ppc4xx pcs440ep
+
 PIP405_config:	unconfig
 	@./mkconfig $(@:_config=) ppc ppc4xx pip405 mpl
 
diff --git a/board/pcs440ep/Makefile b/board/pcs440ep/Makefile
new file mode 100644
index 000000000..4a2a3888f
--- /dev/null
+++ b/board/pcs440ep/Makefile
@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2006
+# 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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	= $(BOARD).o flash.o
+SOBJS	= init.o
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) crv $@ $(OBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/pcs440ep/config.mk b/board/pcs440ep/config.mk
new file mode 100644
index 000000000..c39271cb9
--- /dev/null
+++ b/board/pcs440ep/config.mk
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+#
+# PCS440EP board
+#
+
+#TEXT_BASE = 0x00001000
+
+ifeq ($(ramsym),1)
+TEXT_BASE = 0xFBD00000
+else
+TEXT_BASE = 0xFFF80000
+endif
+
+PLATFORM_CPPFLAGS += -DCONFIG_440=1
+
+ifeq ($(debug),1)
+PLATFORM_CPPFLAGS += -DDEBUG
+endif
+
+ifeq ($(dbcr),1)
+PLATFORM_CPPFLAGS += -DCFG_INIT_DBCR=0x8cff0000
+endif
diff --git a/board/pcs440ep/flash.c b/board/pcs440ep/flash.c
new file mode 100644
index 000000000..c01c37506
--- /dev/null
+++ b/board/pcs440ep/flash.c
@@ -0,0 +1,602 @@
+/*
+ * (C) Copyright 2006
+ * Stefan Roese, DENX Software Engineering, sr@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
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+
+#ifndef CFG_FLASH_READ0
+#define CFG_FLASH_READ0		0x0000	/* 0 is standard			*/
+#define CFG_FLASH_READ1		0x0001	/* 1 is standard			*/
+#define CFG_FLASH_READ2		0x0002	/* 2 is standard			*/
+#endif
+
+flash_info_t	flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips	*/
+
+/*
+ * Functions
+ */
+static int write_word(flash_info_t *info, ulong dest, ulong data);
+static ulong flash_get_size(vu_long *addr, flash_info_t *info);
+
+unsigned long flash_init(void)
+{
+	unsigned long size_b0, size_b1;
+	int i;
+	unsigned long base_b0, base_b1;
+
+	/* Init: no FLASHes known */
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
+		flash_info[i].flash_id = FLASH_UNKNOWN;
+	}
+
+	/* Static FLASH Bank configuration here - FIXME XXX */
+
+	base_b0 = FLASH_BASE0_PRELIM;
+	size_b0 = flash_get_size ((vu_long *) base_b0, &flash_info[0]);
+
+	if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+		printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+				size_b0, size_b0 << 20);
+	}
+
+	base_b1 = FLASH_BASE1_PRELIM;
+	size_b1 = flash_get_size ((vu_long *) base_b1, &flash_info[1]);
+
+	return (size_b0 + size_b1);
+}
+
+void flash_print_info(flash_info_t *info)
+{
+	int i;
+	int k;
+	int size;
+	int erased;
+	volatile unsigned long *flash;
+
+	if (info->flash_id == FLASH_UNKNOWN) {
+		printf ("missing or unknown FLASH type\n");
+		return;
+	}
+
+	switch (info->flash_id & FLASH_VENDMASK) {
+	case FLASH_MAN_AMD:	printf ("AMD ");		break;
+	case FLASH_MAN_FUJ:	printf ("FUJITSU ");		break;
+	case FLASH_MAN_SST:	printf ("SST ");		break;
+	case FLASH_MAN_EXCEL:	printf ("Excel Semiconductor "); break;
+	default:		printf ("Unknown Vendor ");	break;
+	}
+
+	switch (info->flash_id & FLASH_TYPEMASK) {
+	case FLASH_AM400B:	printf ("AM29LV400B (4 Mbit, bottom boot sect)\n");
+		break;
+	case FLASH_AM400T:	printf ("AM29LV400T (4 Mbit, top boot sector)\n");
+		break;
+	case FLASH_AM040:	printf ("AM29LV040B (4 Mbit, uniform sector size)\n");
+		break;
+	case FLASH_AM800B:	printf ("AM29LV800B (8 Mbit, bottom boot sect)\n");
+		break;
+	case FLASH_AM800T:	printf ("AM29LV800T (8 Mbit, top boot sector)\n");
+		break;
+	case FLASH_AM160B:	printf ("AM29LV160B (16 Mbit, bottom boot sect)\n");
+		break;
+	case FLASH_AM160T:	printf ("AM29LV160T (16 Mbit, top boot sector)\n");
+		break;
+	case FLASH_AM320T:	printf ("AM29LV320T (32 M, top sector)\n");
+		break;
+	case FLASH_AM320B:	printf ("AM29LV320B (32 M, bottom sector)\n");
+		break;
+	case FLASH_AMDL322T:	printf ("AM29DL322T (32 M, top sector)\n");
+		break;
+	case FLASH_AMDL322B:	printf ("AM29DL322B (32 M, bottom sector)\n");
+		break;
+	case FLASH_AMDL323T:	printf ("AM29DL323T (32 M, top sector)\n");
+		break;
+	case FLASH_AMDL323B:	printf ("AM29DL323B (32 M, bottom sector)\n");
+		break;
+	case FLASH_SST020:	printf ("SST39LF/VF020 (2 Mbit, uniform sector size)\n");
+		break;
+	case FLASH_SST040:	printf ("SST39LF/VF040 (4 Mbit, uniform sector size)\n");
+		break;
+	default:		printf ("Unknown Chip Type\n");
+		break;
+	}
+
+	printf ("  Size: %ld MB in %d Sectors\n",
+		info->size >> 20, info->sector_count);
+
+	printf ("  Sector Start Addresses:");
+	for (i=0; i<info->sector_count; ++i) {
+#ifdef CFG_FLASH_EMPTY_INFO
+		/*
+		 * Check if whole sector is erased
+		 */
+		if (i != (info->sector_count-1))
+			size = info->start[i+1] - info->start[i];
+		else
+			size = info->start[0] + info->size - info->start[i];
+		erased = 1;
+		flash = (volatile unsigned long *)info->start[i];
+		size = size >> 2;        /* divide by 4 for longword access */
+		for (k=0; k<size; k++) {
+			if (*flash++ != 0xffffffff) {
+				erased = 0;
+				break;
+			}
+		}
+
+		if ((i % 5) == 0)
+			printf ("\n   ");
+		/* print empty and read-only info */
+		printf (" %08lX%s%s",
+			info->start[i],
+			erased ? " E" : "  ",
+			info->protect[i] ? "RO " : "   ");
+#else
+		if ((i % 5) == 0)
+			printf ("\n   ");
+		printf (" %08lX%s",
+			info->start[i],
+			info->protect[i] ? " (RO)" : "     ");
+#endif
+
+	}
+	printf ("\n");
+	return;
+}
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+static ulong flash_get_size(vu_long *addr, flash_info_t *info)
+{
+	short i;
+	short n;
+	volatile CFG_FLASH_WORD_SIZE value;
+	ulong base = (ulong)addr;
+	volatile CFG_FLASH_WORD_SIZE *addr2 = (volatile CFG_FLASH_WORD_SIZE *)addr;
+
+	/* Write auto select command: read Manufacturer ID */
+	addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
+	addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
+	addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00900090;
+
+	value = addr2[CFG_FLASH_READ0];
+
+	switch (value) {
+	case (CFG_FLASH_WORD_SIZE)AMD_MANUFACT:
+		info->flash_id = FLASH_MAN_AMD;
+		break;
+	case (CFG_FLASH_WORD_SIZE)FUJ_MANUFACT:
+		info->flash_id = FLASH_MAN_FUJ;
+		break;
+	case (CFG_FLASH_WORD_SIZE)SST_MANUFACT:
+		info->flash_id = FLASH_MAN_SST;
+		break;
+	case (CFG_FLASH_WORD_SIZE)EXCEL_MANUFACT:
+		info->flash_id = FLASH_MAN_EXCEL;
+		break;
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		info->sector_count = 0;
+		info->size = 0;
+		return (0);			/* no or unknown flash	*/
+	}
+
+	value = addr2[CFG_FLASH_READ1];		/* device ID		*/
+
+	switch (value) {
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV400T:
+		info->flash_id += FLASH_AM400T;
+		info->sector_count = 11;
+		info->size = 0x00080000;
+		break;				/* => 0.5 MB		*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV400B:
+		info->flash_id += FLASH_AM400B;
+		info->sector_count = 11;
+		info->size = 0x00080000;
+		break;				/* => 0.5 MB		*/
+
+        case (CFG_FLASH_WORD_SIZE)AMD_ID_LV040B:
+                info->flash_id += FLASH_AM040;
+                info->sector_count = 8;
+                info->size = 0x0080000; /* => 512 ko */
+                break;
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV800T:
+		info->flash_id += FLASH_AM800T;
+		info->sector_count = 19;
+		info->size = 0x00100000;
+		break;				/* => 1 MB		*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV800B:
+		info->flash_id += FLASH_AM800B;
+		info->sector_count = 19;
+		info->size = 0x00100000;
+		break;				/* => 1 MB		*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV160T:
+		info->flash_id += FLASH_AM160T;
+		info->sector_count = 35;
+		info->size = 0x00200000;
+		break;				/* => 2 MB		*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV160B:
+		info->flash_id += FLASH_AM160B;
+		info->sector_count = 35;
+		info->size = 0x00200000;
+		break;				/* => 2 MB		*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320T:
+		info->flash_id += FLASH_AM320T;
+		info->sector_count = 71;
+		info->size = 0x00400000;  break;	/* => 4 MB	*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320B:
+		info->flash_id += FLASH_AM320B;
+		info->sector_count = 71;
+		info->size = 0x00400000;  break;	/* => 4 MB	*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322T:
+		info->flash_id += FLASH_AMDL322T;
+		info->sector_count = 71;
+		info->size = 0x00400000;  break;	/* => 4 MB	*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322B:
+		info->flash_id += FLASH_AMDL322B;
+		info->sector_count = 71;
+		info->size = 0x00400000;  break;	/* => 4 MB	*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323T:
+		info->flash_id += FLASH_AMDL323T;
+		info->sector_count = 71;
+		info->size = 0x00400000;  break;	/* => 4 MB	*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323B:
+		info->flash_id += FLASH_AMDL323B;
+		info->sector_count = 71;
+		info->size = 0x00400000;  break;	/* => 4 MB	*/
+
+	case (CFG_FLASH_WORD_SIZE)SST_ID_xF020:
+		info->flash_id += FLASH_SST020;
+		info->sector_count = 64;
+		info->size = 0x00040000;
+		break;				/* => 256 kB		*/
+
+	case (CFG_FLASH_WORD_SIZE)SST_ID_xF040:
+		info->flash_id += FLASH_SST040;
+		info->sector_count = 128;
+		info->size = 0x00080000;
+		break;				/* => 512 kB		*/
+
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		return (0);			/* => no or unknown flash */
+
+	}
+
+	/* set up sector start address table */
+	if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
+	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM640U)) {
+		for (i = 0; i < info->sector_count; i++)
+			info->start[i] = base + (i * 0x00001000);
+	} else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) {
+		for (i = 0; i < info->sector_count; i++)
+			info->start[i] = base + (i * 0x00010000);
+	} else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323B) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324B)) {
+		/* set sector offsets for bottom boot block type	*/
+		for (i=0; i<8; ++i) {		/*  8 x 8k boot sectors	*/
+			info->start[i] = base;
+			base += 8 << 10;
+		}
+		while (i < info->sector_count) {	/* 64k regular sectors	*/
+			info->start[i] = base;
+			base += 64 << 10;
+			++i;
+		}
+	} else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323T) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324T)) {
+		/* set sector offsets for top boot block type		*/
+		base += info->size;
+		i = info->sector_count;
+		for (n=0; n<8; ++n) {		/*  8 x 8k boot sectors	*/
+			base -= 8 << 10;
+			--i;
+			info->start[i] = base;
+		}
+		while (i > 0) {			/* 64k regular sectors	*/
+			base -= 64 << 10;
+			--i;
+			info->start[i] = base;
+		}
+	} else {
+		if (info->flash_id & FLASH_BTYPE) {
+			/* set sector offsets for bottom boot block type	*/
+			info->start[0] = base + 0x00000000;
+			info->start[1] = base + 0x00004000;
+			info->start[2] = base + 0x00006000;
+			info->start[3] = base + 0x00008000;
+			for (i = 4; i < info->sector_count; i++) {
+				info->start[i] = base + (i * 0x00010000) - 0x00030000;
+			}
+		} else {
+			/* set sector offsets for top boot block type		*/
+			i = info->sector_count - 1;
+			info->start[i--] = base + info->size - 0x00004000;
+			info->start[i--] = base + info->size - 0x00006000;
+			info->start[i--] = base + info->size - 0x00008000;
+			for (; i >= 0; i--) {
+				info->start[i] = base + i * 0x00010000;
+			}
+		}
+	}
+
+	/* check for protected sectors */
+	for (i = 0; i < info->sector_count; i++) {
+		/* read sector protection at sector address, (A7 .. A0) = 0x02 */
+		/* D0 = 1 if protected */
+		addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]);
+		if ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_AMD)
+			info->protect[i] = 0;
+		else
+			info->protect[i] = addr2[CFG_FLASH_READ2] & 1;
+	}
+
+	/*
+	 * Prevent writes to uninitialized FLASH.
+	 */
+	if (info->flash_id != FLASH_UNKNOWN) {
+		addr2 = (CFG_FLASH_WORD_SIZE *)info->start[0];
+		*addr2 = (CFG_FLASH_WORD_SIZE)0x00F000F0;	/* reset bank */
+	}
+
+	return (info->size);
+}
+
+
+int flash_erase(flash_info_t *info, int s_first, int s_last)
+{
+	volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *)(info->start[0]);
+	volatile CFG_FLASH_WORD_SIZE *addr2;
+	int flag, prot, sect, l_sect;
+	ulong start, now, last;
+
+	if ((s_first < 0) || (s_first > s_last)) {
+		if (info->flash_id == FLASH_UNKNOWN)
+			printf ("- missing\n");
+		else
+			printf ("- no sectors to erase\n");
+		return 1;
+	}
+
+	if (info->flash_id == FLASH_UNKNOWN) {
+		printf ("Can't erase unknown flash type - aborted\n");
+		return 1;
+	}
+
+	prot = 0;
+	for (sect=s_first; sect<=s_last; ++sect)
+		if (info->protect[sect])
+			prot++;
+
+	if (prot)
+		printf ("- Warning: %d protected sectors will not be erased!\n", prot);
+	else
+		printf ("\n");
+
+	l_sect = -1;
+
+	/* Disable interrupts which might cause a timeout here */
+	flag = disable_interrupts();
+
+	/* Start erase on unprotected sectors */
+	for (sect = s_first; sect<=s_last; sect++) {
+		if (info->protect[sect] == 0) {	/* not protected */
+			addr2 = (CFG_FLASH_WORD_SIZE *)(info->start[sect]);
+			if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
+				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
+				addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
+				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00800080;
+				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
+				addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
+				addr2[0] = (CFG_FLASH_WORD_SIZE)0x00300030;  /* sector erase */
+
+				/* re-enable interrupts if necessary */
+				if (flag) {
+					enable_interrupts();
+					flag = 0;
+				}
+
+				/* data polling for D7 */
+				start = get_timer (0);
+				while ((addr2[0] & (CFG_FLASH_WORD_SIZE)0x00800080) !=
+				       (CFG_FLASH_WORD_SIZE)0x00800080) {
+					if (get_timer(start) > CFG_FLASH_WRITE_TOUT)
+						return (1);
+				}
+			} else {
+				if (sect == s_first) {
+					addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
+					addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
+					addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00800080;
+					addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
+					addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
+				}
+				addr2[0] = (CFG_FLASH_WORD_SIZE)0x00300030;  /* sector erase */
+			}
+			l_sect = sect;
+		}
+	}
+
+	/* re-enable interrupts if necessary */
+	if (flag)
+		enable_interrupts();
+
+	/* wait at least 80us - let's wait 1 ms */
+	udelay (1000);
+
+	/*
+	 * We wait for the last triggered sector
+	 */
+	if (l_sect < 0)
+		goto DONE;
+
+	start = get_timer (0);
+	last  = start;
+	addr = (CFG_FLASH_WORD_SIZE *)(info->start[l_sect]);
+	while ((addr[0] & (CFG_FLASH_WORD_SIZE)0x00800080) != (CFG_FLASH_WORD_SIZE)0x00800080) {
+		if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+			printf ("Timeout\n");
+			return 1;
+		}
+		/* show that we're waiting */
+		if ((now - last) > 1000) {	/* every second */
+			putc ('.');
+			last = now;
+		}
+	}
+
+DONE:
+	/* reset to read mode */
+	addr = (CFG_FLASH_WORD_SIZE *)info->start[0];
+	addr[0] = (CFG_FLASH_WORD_SIZE)0x00F000F0;	/* reset bank */
+
+	printf (" done\n");
+	return 0;
+}
+
+/*
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+{
+	ulong cp, wp, data;
+	int i, l, rc;
+
+	wp = (addr & ~3);	/* get lower word aligned address */
+
+	/*
+	 * handle unaligned start bytes
+	 */
+	if ((l = addr - wp) != 0) {
+		data = 0;
+		for (i=0, cp=wp; i<l; ++i, ++cp) {
+			data = (data << 8) | (*(uchar *)cp);
+		}
+		for (; i<4 && cnt>0; ++i) {
+			data = (data << 8) | *src++;
+			--cnt;
+			++cp;
+		}
+		for (; cnt==0 && i<4; ++i, ++cp) {
+			data = (data << 8) | (*(uchar *)cp);
+		}
+
+		if ((rc = write_word(info, wp, data)) != 0) {
+			return (rc);
+		}
+		wp += 4;
+	}
+
+	/*
+	 * handle word aligned part
+	 */
+	while (cnt >= 4) {
+		data = 0;
+		for (i=0; i<4; ++i)
+			data = (data << 8) | *src++;
+		if ((rc = write_word(info, wp, data)) != 0)
+			return (rc);
+		wp  += 4;
+		cnt -= 4;
+	}
+
+	if (cnt == 0)
+		return (0);
+
+	/*
+	 * handle unaligned tail bytes
+	 */
+	data = 0;
+	for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
+		data = (data << 8) | *src++;
+		--cnt;
+	}
+	for (; i<4; ++i, ++cp)
+		data = (data << 8) | (*(uchar *)cp);
+
+	return (write_word(info, wp, data));
+}
+
+/*
+ * Write a word to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word(flash_info_t *info, ulong dest, ulong data)
+{
+	volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *)(info->start[0]);
+	volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *)dest;
+	volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *)&data;
+	ulong start;
+	int flag;
+	int i;
+
+	/* Check if Flash is (sufficiently) erased */
+	if ((*((vu_long *)dest) & data) != data)
+		return (2);
+
+	/* Disable interrupts which might cause a timeout here */
+	flag = disable_interrupts();
+
+	for (i=0; i<4/sizeof(CFG_FLASH_WORD_SIZE); i++) {
+		addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
+		addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
+		addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00A000A0;
+
+		dest2[i] = data2[i];
+
+		/* re-enable interrupts if necessary */
+		if (flag)
+			enable_interrupts();
+
+		/* data polling for D7 */
+		start = get_timer (0);
+		while ((dest2[i] & (CFG_FLASH_WORD_SIZE)0x00800080) !=
+		       (data2[i] & (CFG_FLASH_WORD_SIZE)0x00800080)) {
+			if (get_timer(start) > CFG_FLASH_WRITE_TOUT)
+				return (1);
+		}
+	}
+
+	return (0);
+}
diff --git a/board/pcs440ep/init.S b/board/pcs440ep/init.S
new file mode 100644
index 000000000..0eee4d809
--- /dev/null
+++ b/board/pcs440ep/init.S
@@ -0,0 +1,113 @@
+/*
+ * (C) Copyright 2006
+ * Stefan Roese, DENX Software Engineering, sr@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
+ */
+
+#include <ppc_asm.tmpl>
+#include <config.h>
+
+/* General */
+#define TLB_VALID   0x00000200
+
+/* Supported page sizes */
+
+#define SZ_1K	    0x00000000
+#define SZ_4K	    0x00000010
+#define SZ_16K	    0x00000020
+#define SZ_64K	    0x00000030
+#define SZ_256K	    0x00000040
+#define SZ_1M	    0x00000050
+#define SZ_8M       0x00000060
+#define SZ_16M	    0x00000070
+#define SZ_256M	    0x00000090
+
+/* Storage attributes */
+#define SA_W	    0x00000800	    /* Write-through */
+#define SA_I	    0x00000400	    /* Caching inhibited */
+#define SA_M	    0x00000200	    /* Memory coherence */
+#define SA_G	    0x00000100	    /* Guarded */
+#define SA_E	    0x00000080	    /* Endian */
+
+/* Access control */
+#define AC_X	    0x00000024	    /* Execute */
+#define AC_W	    0x00000012	    /* Write */
+#define AC_R	    0x00000009	    /* Read */
+
+/* Some handy macros */
+
+#define EPN(e)		((e) & 0xfffffc00)
+#define TLB0(epn,sz)	( (EPN((epn)) | (sz) | TLB_VALID ) )
+#define TLB1(rpn,erpn)	( ((rpn)&0xfffffc00) | (erpn) )
+#define TLB2(a)		( (a)&0x00000fbf )
+
+#define tlbtab_start\
+	mflr    r1  ;\
+	bl 0f	    ;
+
+#define tlbtab_end\
+	.long 0, 0, 0	;   \
+0:	mflr    r0	;   \
+	mtlr    r1	;   \
+	blr		;
+
+#define tlbentry(epn,sz,rpn,erpn,attr)\
+	.long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr)
+
+
+/**************************************************************************
+ * TLB TABLE
+ *
+ * This table is used by the cpu boot code to setup the initial tlb
+ * entries. Rather than make broad assumptions in the cpu source tree,
+ * this table lets each board set things up however they like.
+ *
+ *  Pointer to the table is returned in r1
+ *
+ *************************************************************************/
+
+    .section .bootpg,"ax"
+    .globl tlbtab
+
+tlbtab:
+    tlbtab_start
+
+    /*
+     * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
+     * speed up boot process. It is patched after relocation to enable SA_I
+     */
+    tlbentry( CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/)
+
+    /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
+    tlbentry( CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G )
+
+    tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
+    tlbentry( CFG_PCI_BASE, SZ_256M, CFG_PCI_BASE, 0, AC_R|AC_W|SA_G|SA_I )
+
+    /* PCI */
+    tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 0, AC_R|AC_W|SA_G|SA_I )
+    tlbentry( CFG_PCI_MEMBASE1, SZ_256M, CFG_PCI_MEMBASE1, 0, AC_R|AC_W|SA_G|SA_I )
+    tlbentry( CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 0, AC_R|AC_W|SA_G|SA_I )
+    tlbentry( CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 0, AC_R|AC_W|SA_G|SA_I )
+
+    /* USB 2.0 Device */
+    tlbentry( CFG_USB_DEVICE, SZ_1K, 0x50000000, 0, AC_R|AC_W|SA_G|SA_I )
+
+    tlbtab_end
diff --git a/board/pcs440ep/pcs440ep.c b/board/pcs440ep/pcs440ep.c
new file mode 100644
index 000000000..b71caf2d9
--- /dev/null
+++ b/board/pcs440ep/pcs440ep.c
@@ -0,0 +1,379 @@
+/*
+ * (C) Copyright 2006
+ * Stefan Roese, DENX Software Engineering, sr@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
+ */
+
+#include <common.h>
+#include <ppc4xx.h>
+#include <asm/processor.h>
+#include <spd_sdram.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips	*/
+
+static void set_leds(int val)
+{
+	unsigned char led[16] = {0x0, 0x8, 0x4, 0xc, 0x2, 0xa, 0x6, 0xe,
+				 0x1, 0x9, 0x5, 0xd, 0x3, 0xb, 0x7, 0xf};
+	out32(GPIO0_OR, (in32(GPIO0_OR) & ~0x78000000) | (led[val] << 27));
+}
+
+int board_early_init_f(void)
+{
+	register uint reg;
+
+	set_leds(0);			/* display boot info counter */
+
+	/*--------------------------------------------------------------------
+	 * Setup the external bus controller/chip selects
+	 *-------------------------------------------------------------------*/
+	mtdcr(ebccfga, xbcfg);
+	reg = mfdcr(ebccfgd);
+	mtdcr(ebccfgd, reg | 0x04000000);	/* Set ATC */
+
+	/*--------------------------------------------------------------------
+	 * GPIO's are alreay setup in cpu/ppc4xx/cpu_init.c
+	 * via define from board config file.
+	 *-------------------------------------------------------------------*/
+
+	/*--------------------------------------------------------------------
+	 * Setup the interrupt controller polarities, triggers, etc.
+	 *-------------------------------------------------------------------*/
+	mtdcr(uic0sr, 0xffffffff);	/* clear all */
+	mtdcr(uic0er, 0x00000000);	/* disable all */
+	mtdcr(uic0cr, 0x00000001);	/* UIC1 crit is critical */
+	mtdcr(uic0pr, 0xfffffe1f);	/* per ref-board manual */
+	mtdcr(uic0tr, 0x01c00000);	/* per ref-board manual */
+	mtdcr(uic0vr, 0x00000001);	/* int31 highest, base=0x000 */
+	mtdcr(uic0sr, 0xffffffff);	/* clear all */
+
+	mtdcr(uic1sr, 0xffffffff);	/* clear all */
+	mtdcr(uic1er, 0x00000000);	/* disable all */
+	mtdcr(uic1cr, 0x00000000);	/* all non-critical */
+	mtdcr(uic1pr, 0xffffe0ff);	/* per ref-board manual */
+	mtdcr(uic1tr, 0x00ffc000);	/* per ref-board manual */
+	mtdcr(uic1vr, 0x00000001);	/* int31 highest, base=0x000 */
+	mtdcr(uic1sr, 0xffffffff);	/* clear all */
+
+	/*--------------------------------------------------------------------
+	 * Setup other serial configuration
+	 *-------------------------------------------------------------------*/
+	mfsdr(sdr_pci0, reg);
+	mtsdr(sdr_pci0, 0x80000000 | reg);	/* PCI arbiter enabled */
+	mtsdr(sdr_pfc0, 0x00000100);	/* Pin function: enable GPIO49-63 */
+	mtsdr(sdr_pfc1, 0x00048000);	/* Pin function: UART0 has 4 pins, select IRQ5 */
+
+	return 0;
+}
+
+int misc_init_r (void)
+{
+	uint pbcr;
+	int size_val = 0;
+
+	/* Re-do sizing to get full correct info */
+	mtdcr(ebccfga, pb0cr);
+	pbcr = mfdcr(ebccfgd);
+	switch (gd->bd->bi_flashsize) {
+	case 1 << 20:
+		size_val = 0;
+		break;
+	case 2 << 20:
+		size_val = 1;
+		break;
+	case 4 << 20:
+		size_val = 2;
+		break;
+	case 8 << 20:
+		size_val = 3;
+		break;
+	case 16 << 20:
+		size_val = 4;
+		break;
+	case 32 << 20:
+		size_val = 5;
+		break;
+	case 64 << 20:
+		size_val = 6;
+		break;
+	case 128 << 20:
+		size_val = 7;
+		break;
+	}
+	pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
+	mtdcr(ebccfga, pb0cr);
+	mtdcr(ebccfgd, pbcr);
+
+	/* adjust flash start and offset */
+	gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+	gd->bd->bi_flashoffset = 0;
+
+	/* Monitor protection ON by default */
+	(void)flash_protect(FLAG_PROTECT_SET,
+			    -CFG_MONITOR_LEN,
+			    0xffffffff,
+			    &flash_info[1]);
+
+	/* Env protection ON by default */
+	(void)flash_protect(FLAG_PROTECT_SET,
+			    CFG_ENV_ADDR_REDUND,
+			    CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1,
+			    &flash_info[0]);
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	char *s = getenv("serial#");
+
+	printf("Board: PCS440EP");
+	if (s != NULL) {
+		puts(", serial# ");
+		puts(s);
+	}
+	putc('\n');
+
+	return (0);
+}
+
+long int initdram (int board_type)
+{
+	long dram_size = 0;
+
+	set_leds(1);			/* display boot info counter */
+	dram_size = spd_sdram();
+	set_leds(2);			/* display boot info counter */
+
+	return dram_size;
+}
+
+#if defined(CFG_DRAM_TEST)
+int testdram(void)
+{
+	unsigned long *mem = (unsigned long *)0;
+	const unsigned long kend = (1024 / sizeof(unsigned long));
+	unsigned long k, n;
+
+	mtmsr(0);
+
+	for (k = 0; k < CFG_KBYTES_SDRAM;
+	     ++k, mem += (1024 / sizeof(unsigned long))) {
+		if ((k & 1023) == 0) {
+			printf("%3d MB\r", k / 1024);
+		}
+
+		memset(mem, 0xaaaaaaaa, 1024);
+		for (n = 0; n < kend; ++n) {
+			if (mem[n] != 0xaaaaaaaa) {
+				printf("SDRAM test fails at: %08x\n",
+				       (uint) & mem[n]);
+				return 1;
+			}
+		}
+
+		memset(mem, 0x55555555, 1024);
+		for (n = 0; n < kend; ++n) {
+			if (mem[n] != 0x55555555) {
+				printf("SDRAM test fails at: %08x\n",
+				       (uint) & mem[n]);
+				return 1;
+			}
+		}
+	}
+	printf("SDRAM test passes\n");
+	return 0;
+}
+#endif
+
+/*************************************************************************
+ *  pci_pre_init
+ *
+ *  This routine is called just prior to registering the hose and gives
+ *  the board the opportunity to check things. Returning a value of zero
+ *  indicates that things are bad & PCI initialization should be aborted.
+ *
+ *	Different boards may wish to customize the pci controller structure
+ *	(add regions, override default access routines, etc) or perform
+ *	certain pre-initialization actions.
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT)
+int pci_pre_init(struct pci_controller *hose)
+{
+	unsigned long addr;
+
+	/*-------------------------------------------------------------------------+
+	  | Set priority for all PLB3 devices to 0.
+	  | Set PLB3 arbiter to fair mode.
+	  +-------------------------------------------------------------------------*/
+	mfsdr(sdr_amp1, addr);
+	mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
+	addr = mfdcr(plb3_acr);
+	mtdcr(plb3_acr, addr | 0x80000000);
+
+	/*-------------------------------------------------------------------------+
+	  | Set priority for all PLB4 devices to 0.
+	  +-------------------------------------------------------------------------*/
+	mfsdr(sdr_amp0, addr);
+	mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
+	addr = mfdcr(plb4_acr) | 0xa0000000;	/* Was 0x8---- */
+	mtdcr(plb4_acr, addr);
+
+	/*-------------------------------------------------------------------------+
+	  | Set Nebula PLB4 arbiter to fair mode.
+	  +-------------------------------------------------------------------------*/
+	/* Segment0 */
+	addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
+	addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
+	addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
+	addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
+	mtdcr(plb0_acr, addr);
+
+	/* Segment1 */
+	addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
+	addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
+	addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
+	addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
+	mtdcr(plb1_acr, addr);
+
+	return 1;
+}
+#endif				/* defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) */
+
+/*************************************************************************
+ *  pci_target_init
+ *
+ *	The bootstrap configuration provides default settings for the pci
+ *	inbound map (PIM). But the bootstrap config choices are limited and
+ *	may not be sufficient for a given board.
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
+void pci_target_init(struct pci_controller *hose)
+{
+	/*--------------------------------------------------------------------------+
+	 * Set up Direct MMIO registers
+	 *--------------------------------------------------------------------------*/
+	/*--------------------------------------------------------------------------+
+	  | PowerPC440 EP PCI Master configuration.
+	  | Map one 1Gig range of PLB/processor addresses to PCI memory space.
+	  |   PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF
+	  |   Use byte reversed out routines to handle endianess.
+	  | Make this region non-prefetchable.
+	  +--------------------------------------------------------------------------*/
+	out32r(PCIX0_PMM0MA, 0x00000000);	/* PMM0 Mask/Attribute - disabled b4 setting */
+	out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE);	/* PMM0 Local Address */
+	out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE);	/* PMM0 PCI Low Address */
+	out32r(PCIX0_PMM0PCIHA, 0x00000000);	/* PMM0 PCI High Address */
+	out32r(PCIX0_PMM0MA, 0xE0000001);	/* 512M + No prefetching, and enable region */
+
+	out32r(PCIX0_PMM1MA, 0x00000000);	/* PMM0 Mask/Attribute - disabled b4 setting */
+	out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2);	/* PMM0 Local Address */
+	out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2);	/* PMM0 PCI Low Address */
+	out32r(PCIX0_PMM1PCIHA, 0x00000000);	/* PMM0 PCI High Address */
+	out32r(PCIX0_PMM1MA, 0xE0000001);	/* 512M + No prefetching, and enable region */
+
+	out32r(PCIX0_PTM1MS, 0x00000001);	/* Memory Size/Attribute */
+	out32r(PCIX0_PTM1LA, 0);	/* Local Addr. Reg */
+	out32r(PCIX0_PTM2MS, 0);	/* Memory Size/Attribute */
+	out32r(PCIX0_PTM2LA, 0);	/* Local Addr. Reg */
+
+	/*--------------------------------------------------------------------------+
+	 * Set up Configuration registers
+	 *--------------------------------------------------------------------------*/
+
+	/* Program the board's subsystem id/vendor id */
+	pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
+			      CFG_PCI_SUBSYS_VENDORID);
+	pci_write_config_word(0, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_ID);
+
+	/* Configure command register as bus master */
+	pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
+
+	/* 240nS PCI clock */
+	pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
+
+	/* No error reporting */
+	pci_write_config_word(0, PCI_ERREN, 0);
+
+	pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
+
+}
+#endif				/* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
+
+/*************************************************************************
+ *  pci_master_init
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT)
+void pci_master_init(struct pci_controller *hose)
+{
+	unsigned short temp_short;
+
+	/*--------------------------------------------------------------------------+
+	  | Write the PowerPC440 EP PCI Configuration regs.
+	  |   Enable PowerPC440 EP to be a master on the PCI bus (PMM).
+	  |   Enable PowerPC440 EP to act as a PCI memory target (PTM).
+	  +--------------------------------------------------------------------------*/
+	pci_read_config_word(0, PCI_COMMAND, &temp_short);
+	pci_write_config_word(0, PCI_COMMAND,
+			      temp_short | PCI_COMMAND_MASTER |
+			      PCI_COMMAND_MEMORY);
+}
+#endif				/* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */
+
+/*************************************************************************
+ *  is_pci_host
+ *
+ *	This routine is called to determine if a pci scan should be
+ *	performed. With various hardware environments (especially cPCI and
+ *	PPMC) it's insufficient to depend on the state of the arbiter enable
+ *	bit in the strap register, or generic host/adapter assumptions.
+ *
+ *	Rather than hard-code a bad assumption in the general 440 code, the
+ *	440 pci code requires the board to decide at runtime.
+ *
+ *	Return 0 for adapter mode, non-zero for host (monarch) mode.
+ *
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI)
+int is_pci_host(struct pci_controller *hose)
+{
+	/* PCS440EP is always configured as host. */
+	return (1);
+}
+#endif				/* defined(CONFIG_PCI) */
+
+/*************************************************************************
+ *  hw_watchdog_reset
+ *
+ *	This routine is called to reset (keep alive) the watchdog timer
+ *
+ ************************************************************************/
+#if defined(CONFIG_HW_WATCHDOG)
+void hw_watchdog_reset(void)
+{
+
+}
+#endif
diff --git a/board/pcs440ep/u-boot.lds b/board/pcs440ep/u-boot.lds
new file mode 100644
index 000000000..b3bac7cd1
--- /dev/null
+++ b/board/pcs440ep/u-boot.lds
@@ -0,0 +1,157 @@
+/*
+ * (C) Copyright 2006
+ * 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_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+SECTIONS
+{
+  .resetvec 0xFFFFFFFC :
+  {
+    *(.resetvec)
+  } = 0xffff
+
+  .bootpg 0xFFFFF000 :
+  {
+    cpu/ppc4xx/start.o	(.bootpg)
+  } = 0xffff
+
+  /* Read-only sections, merged into text segment: */
+  . = + SIZEOF_HEADERS;
+  .interp : { *(.interp) }
+  .hash          : { *(.hash)		}
+  .dynsym        : { *(.dynsym)		}
+  .dynstr        : { *(.dynstr)		}
+  .rel.text      : { *(.rel.text)		}
+  .rela.text     : { *(.rela.text) 	}
+  .rel.data      : { *(.rel.data)		}
+  .rela.data     : { *(.rela.data) 	}
+  .rel.rodata    : { *(.rel.rodata) 	}
+  .rela.rodata   : { *(.rela.rodata) 	}
+  .rel.got       : { *(.rel.got)		}
+  .rela.got      : { *(.rela.got)		}
+  .rel.ctors     : { *(.rel.ctors)	}
+  .rela.ctors    : { *(.rela.ctors)	}
+  .rel.dtors     : { *(.rel.dtors)	}
+  .rela.dtors    : { *(.rela.dtors)	}
+  .rel.bss       : { *(.rel.bss)		}
+  .rela.bss      : { *(.rela.bss)		}
+  .rel.plt       : { *(.rel.plt)		}
+  .rela.plt      : { *(.rela.plt)		}
+  .init          : { *(.init)	}
+  .plt : { *(.plt) }
+  .text      :
+  {
+    /* WARNING - the following is hand-optimized to fit within	*/
+    /* the sector layout of our flash chips!	XXX FIXME XXX	*/
+
+    cpu/ppc4xx/start.o	(.text)
+    board/pcs440ep/init.o	(.text)
+    cpu/ppc4xx/kgdb.o	(.text)
+    cpu/ppc4xx/traps.o	(.text)
+    cpu/ppc4xx/interrupts.o	(.text)
+    cpu/ppc4xx/serial.o	(.text)
+    cpu/ppc4xx/cpu_init.o	(.text)
+    cpu/ppc4xx/speed.o	(.text)
+    common/dlmalloc.o	(.text)
+    lib_generic/crc32.o		(.text)
+    lib_ppc/extable.o	(.text)
+    lib_generic/zlib.o		(.text)
+
+/*    . = env_offset;*/
+/*    common/environment.o(.text)*/
+
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+    *(.eh_frame)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x00FF) & 0xFFFFFF00;
+  _erotext = .;
+  PROVIDE (erotext = .);
+  .reloc   :
+  {
+    *(.got)
+    _GOT2_TABLE_ = .;
+    *(.got2)
+    _FIXUP_TABLE_ = .;
+    *(.fixup)
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+  __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+  .data    :
+  {
+    *(.data)
+    *(.data1)
+    *(.sdata)
+    *(.sdata2)
+    *(.dynamic)
+    CONSTRUCTORS
+  }
+  _edata  =  .;
+  PROVIDE (edata = .);
+
+  . = .;
+  __u_boot_cmd_start = .;
+  .u_boot_cmd : { *(.u_boot_cmd) }
+  __u_boot_cmd_end = .;
+
+
+  . = .;
+  __start___ex_table = .;
+  __ex_table : { *(__ex_table) }
+  __stop___ex_table = .;
+
+  . = ALIGN(256);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(256);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c
index 1a139d739..b27567fa4 100644
--- a/cpu/ppc4xx/cpu_init.c
+++ b/cpu/ppc4xx/cpu_init.c
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2000
+ * (C) Copyright 2000-2006
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
@@ -101,6 +101,117 @@ DECLARE_GLOBAL_DATA_PTR;
 # endif
 #endif /* CFG_INIT_DCACHE_CS */
 
+#if defined(CFG_440_GPIO_TABLE)
+gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX] = CFG_440_GPIO_TABLE;
+
+void set_chip_gpio_configuration(gpio_param_s (*gpio_tab)[GPIO_GROUP_MAX][GPIO_MAX])
+{
+	unsigned char i=0, j=0, reg_offset = 0, gpio_core;
+	unsigned long gpio_reg, gpio_core_add;
+
+	for (gpio_core=0; gpio_core<GPIO_GROUP_MAX; gpio_core++) {
+		j = 0;
+		reg_offset = 0;
+		/* GPIO config of the GPIOs 0 to 31 */
+		for (i=0; i<GPIO_MAX; i++, j++) {
+			if (i == GPIO_MAX/2) {
+				reg_offset = 4;
+				j = i-16;
+			}
+
+			gpio_core_add = (*gpio_tab)[gpio_core][i].add;
+
+			if (((*gpio_tab)[gpio_core][i].in_out == GPIO_IN) ||
+			     ((*gpio_tab)[gpio_core][i].in_out == GPIO_BI)) {
+
+				switch ((*gpio_tab)[gpio_core][i].alt_nb) {
+				case GPIO_SEL:
+					break;
+
+				case GPIO_ALT1:
+					gpio_reg = in32(GPIO_IS1(gpio_core_add+reg_offset))
+						& ~(GPIO_MASK >> (j*2));
+					gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2));
+					out32(GPIO_IS1(gpio_core_add+reg_offset), gpio_reg);
+					break;
+
+				case GPIO_ALT2:
+					gpio_reg = in32(GPIO_IS2(gpio_core_add+reg_offset))
+						& ~(GPIO_MASK >> (j*2));
+					gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2));
+					out32(GPIO_IS2(gpio_core_add+reg_offset), gpio_reg);
+					break;
+
+				case GPIO_ALT3:
+					gpio_reg = in32(GPIO_IS3(gpio_core_add+reg_offset))
+						& ~(GPIO_MASK >> (j*2));
+					gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2));
+					out32(GPIO_IS3(gpio_core_add+reg_offset), gpio_reg);
+					break;
+				}
+			}
+
+			if (((*gpio_tab)[gpio_core][i].in_out == GPIO_OUT) ||
+			     ((*gpio_tab)[gpio_core][i].in_out == GPIO_BI)) {
+
+				switch ((*gpio_tab)[gpio_core][i].alt_nb) {
+				case GPIO_SEL:
+					if (gpio_core == GPIO0) {
+						gpio_reg = in32(GPIO0_TCR) | (0x80000000 >> (j));
+						out32(GPIO0_TCR, gpio_reg);
+					}
+
+					if (gpio_core == GPIO1) {
+						gpio_reg = in32(GPIO1_TCR) | (0x80000000 >> (j));
+						out32(GPIO1_TCR, gpio_reg);
+					}
+
+					gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset))
+						& ~(GPIO_MASK >> (j*2));
+					out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
+					gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset))
+						& ~(GPIO_MASK >> (j*2));
+					out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
+					break;
+
+				case GPIO_ALT1:
+					gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset))
+						& ~(GPIO_MASK >> (j*2));
+					gpio_reg = gpio_reg | (GPIO_ALT1_SEL >> (j*2));
+					out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
+					gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset))
+						& ~(GPIO_MASK >> (j*2));
+					gpio_reg = gpio_reg | (GPIO_ALT1_SEL >> (j*2));
+					out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
+					break;
+
+				case GPIO_ALT2:
+					gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset))
+						& ~(GPIO_MASK >> (j*2));
+					gpio_reg = gpio_reg | (GPIO_ALT2_SEL >> (j*2));
+					out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
+					gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset))
+						& ~(GPIO_MASK >> (j*2));
+					gpio_reg = gpio_reg | (GPIO_ALT2_SEL >> (j*2));
+					out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
+					break;
+
+				case GPIO_ALT3:
+					gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset))
+						& ~(GPIO_MASK >> (j*2));
+					gpio_reg = gpio_reg | (GPIO_ALT3_SEL >> (j*2));
+					out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
+					gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset))
+						& ~(GPIO_MASK >> (j*2));
+					gpio_reg = gpio_reg | (GPIO_ALT3_SEL >> (j*2));
+					out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
+					break;
+				}
+			}
+		}
+	}
+}
+#endif /* CFG_440_GPIO_TABLE */
 
 /*
  * Breath some life into the CPU...
@@ -129,10 +240,16 @@ cpu_init_f (void)
 	mtdcr(cpc0_epctl, CPC0_EPRCSR_E0NFE | CPC0_EPRCSR_E1NFE);
 #endif /* CONFIG_405EP */
 
+#if defined(CFG_440_GPIO_TABLE)
+	set_chip_gpio_configuration(&gpio_tab);
+#endif /* CFG_440_GPIO_TABLE */
+
 	/*
 	 * External Bus Controller (EBC) Setup
 	 */
 #if (defined(CFG_EBC_PB0AP) && defined(CFG_EBC_PB0CR))
+#if (defined(CONFIG_405GP) || defined(CONFIG_405CR) || \
+     defined(CONFIG_405EP) || defined(CONFIG_405))
 	/*
 	 * Move the next instructions into icache, since these modify the flash
 	 * we are running from!
@@ -148,6 +265,7 @@ cpu_init_f (void)
 	asm volatile("	ori	3, 3, 0xA000"	::: "r3");
 	asm volatile("	mtctr	3"		::: "ctr");
 	asm volatile("2:	bdnz	2b"		::: "ctr", "cr0");
+#endif
 
 	mtebc(pb0ap, CFG_EBC_PB0AP);
 	mtebc(pb0cr, CFG_EBC_PB0CR);
diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index 948de43d1..647088f72 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -1198,12 +1198,19 @@ ppcSync:
 	.globl	relocate_code
 relocate_code:
 #if defined(CONFIG_440EP) || defined(CONFIG_440GR)
-	dccci	0,0			    /* Invalidate data cache, now no longer our stack */
+	/*
+	 * On some 440er platforms the cache is enabled in the first TLB (Boot-CS)
+	 * to speed up the boot process. Now this cache needs to be disabled.
+	 */
+	iccci	0,0			/* Invalidate inst cache */
+	dccci	0,0			/* Invalidate data cache, now no longer our stack */
 	sync
+	isync
 	addi	r1,r0,0x0000		/* TLB entry #0 */
 	tlbre	r0,r1,0x0002		/* Read contents */
 	ori	r0,r0,0x0c00		/* Or in the inhibit, write through bit */
 	tlbwe	r0,r1,0x0002		/* Save it out */
+	sync
 	isync
 #endif
 	mr	r1,  r3		/* Set new stack pointer		*/
diff --git a/include/configs/pcs440ep.h b/include/configs/pcs440ep.h
new file mode 100644
index 000000000..854809dab
--- /dev/null
+++ b/include/configs/pcs440ep.h
@@ -0,0 +1,413 @@
+/*
+ * (C) Copyright 2006
+ * Stefan Roese, DENX Software Engineering, sr@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
+ */
+
+/************************************************************************
+ * pcs440ep.h - configuration for PCS440EP board
+ ***********************************************************************/
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*-----------------------------------------------------------------------
+ * High Level Configuration Options
+ *----------------------------------------------------------------------*/
+#define CONFIG_PCS440EP		1	/* Board is PCS440EP            */
+#define CONFIG_440EP		1	/* Specific PPC440EP support    */
+#define CONFIG_4xx		1	/* ... PPC4xx family	        */
+#define CONFIG_SYS_CLK_FREQ	33333333    /* external freq to pll	*/
+
+#define CONFIG_BOARD_EARLY_INIT_F 1     /* Call board_early_init_f	*/
+#define CONFIG_MISC_INIT_R	1	/* call misc_init_r()		*/
+
+/*-----------------------------------------------------------------------
+ * Base addresses -- Note these are effective addresses where the
+ * actual resources get mapped (not physical addresses)
+ *----------------------------------------------------------------------*/
+#define CFG_MONITOR_LEN		(512 * 1024)	/* Reserve 512 kB for Monitor	*/
+#define CFG_MALLOC_LEN		(256 * 1024)	/* Reserve 256 kB for malloc()	*/
+#define CFG_MONITOR_BASE	(-CFG_MONITOR_LEN)
+#define CFG_SDRAM_BASE	        0x00000000	    /* _must_ be 0	*/
+#define CFG_FLASH_BASE	        0xfff00000	    /* start of FLASH	*/
+#define CFG_PCI_MEMBASE	        0xa0000000	    /* mapped pci memory*/
+#define CFG_PCI_MEMBASE1        CFG_PCI_MEMBASE  + 0x10000000
+#define CFG_PCI_MEMBASE2        CFG_PCI_MEMBASE1 + 0x10000000
+#define CFG_PCI_MEMBASE3        CFG_PCI_MEMBASE2 + 0x10000000
+
+/*Don't change either of these*/
+#define CFG_PERIPHERAL_BASE     0xef600000	    /* internal peripherals*/
+#define CFG_PCI_BASE	        0xe0000000	    /* internal PCI regs*/
+/*Don't change either of these*/
+
+#define CFG_USB_DEVICE          0x50000000
+#define CFG_BOOT_BASE_ADDR      0xf0000000
+
+/*-----------------------------------------------------------------------
+ * Initial RAM & stack pointer (placed in SDRAM)
+ *----------------------------------------------------------------------*/
+#define CFG_INIT_RAM_ADDR	0x70000000		/* DCache       */
+#define CFG_INIT_RAM_END	(8 << 10)
+#define CFG_GBL_DATA_SIZE	256			/* num bytes initial data*/
+#define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+#define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
+
+/*-----------------------------------------------------------------------
+ * Serial Port
+ *----------------------------------------------------------------------*/
+#undef CFG_EXT_SERIAL_CLOCK		/* no external clk used		*/
+#define CONFIG_BAUDRATE		115200
+#define CONFIG_SERIAL_MULTI     1
+/*define this if you want console on UART1*/
+#undef CONFIG_UART1_CONSOLE
+
+#define CFG_BAUDRATE_TABLE  \
+    {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200}
+
+/*-----------------------------------------------------------------------
+ * Environment
+ *----------------------------------------------------------------------*/
+#define CFG_ENV_IS_IN_FLASH     1	/* use FLASH for environment vars	*/
+
+/*-----------------------------------------------------------------------
+ * FLASH related
+ *----------------------------------------------------------------------*/
+#define CFG_MAX_FLASH_BANKS	2	/* max number of memory banks		*/
+#define CFG_MAX_FLASH_SECT	256	/* max number of sectors on one chip	*/
+
+#define CFG_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
+#define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
+
+#define CFG_FLASH_WORD_SIZE	unsigned char	/* flash word size (width)	*/
+#define CFG_FLASH_ADDR0		0x5555	/* 1st address for flash config cycles	*/
+#define CFG_FLASH_ADDR1		0x2AAA	/* 2nd address for flash config cycles	*/
+
+#define CFG_FLASH_EMPTY_INFO		/* print 'E' for empty sector on flinfo */
+
+#ifdef CFG_ENV_IS_IN_FLASH
+#define CFG_ENV_SECT_SIZE	0x10000 	/* size of one complete sector	*/
+#define CFG_ENV_ADDR		(CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
+#define	CFG_ENV_SIZE		0x2000	/* Total Size of Environment Sector	*/
+
+/* Address and size of Redundant Environment Sector	*/
+#define CFG_ENV_ADDR_REDUND	(CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
+#define CFG_ENV_SIZE_REDUND	(CFG_ENV_SIZE)
+#endif /* CFG_ENV_IS_IN_FLASH */
+
+/*-----------------------------------------------------------------------
+ * DDR SDRAM
+ *----------------------------------------------------------------------*/
+#define CONFIG_SPD_EEPROM               /* Use SPD EEPROM for setup             */
+#undef CONFIG_DDR_ECC			/* don't use ECC			*/
+#define SPD_EEPROM_ADDRESS      {0x50, 0x51}
+
+/*-----------------------------------------------------------------------
+ * I2C
+ *----------------------------------------------------------------------*/
+#define CONFIG_HARD_I2C		1	    /* I2C with hardware support	*/
+#undef	CONFIG_SOFT_I2C			    /* I2C bit-banged		*/
+#define CFG_I2C_SPEED		400000	/* I2C speed and slave address	*/
+#define CFG_I2C_SLAVE		0x7F
+
+#define CFG_I2C_MULTI_EEPROMS
+#define CFG_I2C_EEPROM_ADDR	(0xa8>>1)
+#define CFG_I2C_EEPROM_ADDR_LEN 1
+#define CFG_EEPROM_PAGE_WRITE_ENABLE
+#define CFG_EEPROM_PAGE_WRITE_BITS 3
+#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
+
+#define CONFIG_PREBOOT	"echo;"	\
+	"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
+	"echo"
+
+#undef	CONFIG_BOOTARGS
+
+#define	CONFIG_EXTRA_ENV_SETTINGS					\
+	"netdev=eth0\0"							\
+	"hostname=pcs440ep\0"						\
+	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
+		"nfsroot=${serverip}:${rootpath}\0"			\
+	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
+	"addip=setenv bootargs ${bootargs} "				\
+		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
+		":${hostname}:${netdev}:off panic=1\0"			\
+	"addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\
+	"flash_nfs=run nfsargs addip addtty;"				\
+		"bootm ${kernel_addr}\0"				\
+	"flash_self=run ramargs addip addtty;"				\
+		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
+	"net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;"     \
+	        "bootm\0"						\
+	"rootpath=/opt/eldk/ppc_4xx\0"					\
+	"bootfile=/tftpboot/pcs440ep/uImage\0"				\
+	"kernel_addr=fff00000\0"					\
+	"ramdisk_addr=fff00000\0"					\
+	"load=tftp 100000 /tftpboot/pcs440ep/u-boot.bin\0"		\
+	"update=protect off fff80000 ffffffff;era fff80000 ffffffff;"	\
+		"cp.b 100000 fff80000 80000;"			        \
+		"setenv filesize;saveenv\0"				\
+	"upd=run load;run update\0"					\
+	""
+#define CONFIG_BOOTCOMMAND	"run flash_self"
+
+#if 0
+#define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/
+#else
+#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
+#endif
+
+#define CONFIG_BAUDRATE		115200
+
+#define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
+#define CFG_LOADS_BAUD_CHANGE	1	/* allow baudrate change	*/
+
+#define CONFIG_MII		1	/* MII PHY management		*/
+#define CONFIG_NET_MULTI        1	/* required for netconsole      */
+#define CONFIG_HAS_ETH1		1	/* add support for "eth1addr"	*/
+#define CONFIG_PHY_ADDR		1	/* PHY address, See schematics	*/
+#define CONFIG_PHY1_ADDR        2
+
+#define CFG_RX_ETH_BUFFER	32	/* Number of ethernet rx buffers & descriptors */
+
+#define CONFIG_NETCONSOLE		/* include NetConsole support	*/
+
+/* Partitions */
+#define CONFIG_MAC_PARTITION
+#define CONFIG_DOS_PARTITION
+#define CONFIG_ISO_PARTITION
+
+#ifdef CONFIG_440EP
+/* USB */
+#define CONFIG_USB_OHCI
+#define CONFIG_USB_STORAGE
+
+/*Comment this out to enable USB 1.1 device*/
+#define USB_2_0_DEVICE
+#endif /*CONFIG_440EP*/
+
+#ifdef DEBUG
+#define CONFIG_PANIC_HANG
+#else
+#define CONFIG_HW_WATCHDOG			/* watchdog */
+#endif
+
+#define CONFIG_COMMANDS	       (CONFIG_CMD_DFL	| \
+				CFG_CMD_ASKENV	| \
+				CFG_CMD_DHCP	| \
+				CFG_CMD_DIAG	| \
+				CFG_CMD_ELF	| \
+				CFG_CMD_I2C	| \
+				CFG_CMD_IRQ	| \
+				CFG_CMD_MII	| \
+				CFG_CMD_NET	| \
+				CFG_CMD_NFS	| \
+				CFG_CMD_PCI	| \
+				CFG_CMD_PING	| \
+				CFG_CMD_REGINFO	| \
+				CFG_CMD_SDRAM	| \
+				CFG_CMD_EXT2	| \
+				CFG_CMD_FAT	| \
+				CFG_CMD_USB	)
+
+
+#define CONFIG_SUPPORT_VFAT
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP			/* undef to save memory		*/
+#define CFG_PROMPT	        "=> "	/* Monitor Command Prompt	*/
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CBSIZE	        1024	/* Console I/O Buffer Size	*/
+#else
+#define CFG_CBSIZE	        256	/* Console I/O Buffer Size	*/
+#endif
+#define CFG_PBSIZE              (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS	        16	/* max number of command args	*/
+#define CFG_BARGSIZE	        CFG_CBSIZE /* Boot Argument Buffer Size	*/
+
+#define CFG_MEMTEST_START	0x0400000 /* memtest works on	        */
+#define CFG_MEMTEST_END		0x0C00000 /* 4 ... 12 MB in DRAM	*/
+
+#define CFG_LOAD_ADDR		0x100000	/* default load address */
+#define CFG_EXTBDINFO		1	/* To use extended board_into (bd_t) */
+#define CONFIG_LYNXKDI          1       /* support kdi files            */
+
+#define CFG_HZ		        1000	/* decrementer freq: 1 ms ticks */
+
+/*-----------------------------------------------------------------------
+ * PCI stuff
+ *-----------------------------------------------------------------------
+ */
+/* General PCI */
+#define CONFIG_PCI			/* include pci support	        */
+#undef  CONFIG_PCI_PNP			/* do (not) pci plug-and-play   */
+#define CONFIG_PCI_SCAN_SHOW            /* show pci devices on startup  */
+#define CFG_PCI_TARGBASE        0x80000000 /* PCIaddr mapped to CFG_PCI_MEMBASE*/
+
+/* Board-specific PCI */
+#define CFG_PCI_PRE_INIT                /* enable board pci_pre_init()  */
+#define CFG_PCI_TARGET_INIT
+#define CFG_PCI_MASTER_INIT
+
+#define CFG_PCI_SUBSYS_VENDORID 0x10e8	/* AMCC */
+#define CFG_PCI_SUBSYS_ID       0xcafe	/* Whatever */
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 8 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization.
+ */
+#define CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */
+
+/*-----------------------------------------------------------------------
+ * External Bus Controller (EBC) Setup
+ *----------------------------------------------------------------------*/
+#define FLASH_BASE0_PRELIM	0xFFF00000	/* FLASH bank #0	*/
+#define FLASH_BASE1_PRELIM	0xFFF80000	/* FLASH bank #1	*/
+
+#define CFG_FLASH		FLASH_BASE0_PRELIM
+#define CFG_SRAM		0xF1000000
+#define CFG_FPGA		0xF2000000
+#define CFG_CF1			0xF0000000
+#define CFG_CF2			0xF0100000
+
+/* Memory Bank 0 (Flash Bank 0, NOR-FLASH) initialization			*/
+#define CFG_EBC_PB0AP		0x02010000	/* TWT=4,OEN=1			*/
+#define CFG_EBC_PB0CR		(CFG_FLASH | 0x18000) /* BS=1MB,BU=R/W,BW=8bit	*/
+
+/* Memory Bank 1 (SRAM) initialization						*/
+#define CFG_EBC_PB1AP		0x01810040	/* TWT=3,OEN=1,BEM=1		*/
+#define CFG_EBC_PB1CR		(CFG_SRAM | 0x5A000) /* BS=4MB,BU=R/W,BW=16bit	*/
+
+/* Memory Bank 2 (FPGA) initialization						*/
+#define CFG_EBC_PB2AP		0x01010440	/* TWT=2,OEN=1,TH=2,BEM=1	*/
+#define CFG_EBC_PB2CR		(CFG_FPGA | 0x5A000) /* BS=4MB,BU=R/W,BW=16bit	*/
+
+/* Memory Bank 3 (CompactFlash) initialization					*/
+#define CFG_EBC_PB3AP		0x080BD400
+#define CFG_EBC_PB3CR		(CFG_CF1 | 0x1A000) /* BS=1MB,BU=R/W,BW=16bit	*/
+
+/* Memory Bank 4 (CompactFlash) initialization					*/
+#define CFG_EBC_PB4AP		0x080BD400
+#define CFG_EBC_PB4CR		(CFG_CF2 | 0x1A000) /* BS=1MB,BU=R/W,BW=16bit	*/
+
+/*-----------------------------------------------------------------------
+ * PPC440 GPIO Configuration
+ */
+#define CFG_440_GPIO_TABLE { /*		GPIO	Alternate1	Alternate2	Alternate3 */ \
+{											\
+/* GPIO Core 0 */									\
+{ GPIO0_BASE, GPIO_OUT, GPIO_SEL },  /* GPIO0	EBC_ADDR(7)	DMA_REQ(2)	*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_SEL },  /* GPIO1	EBC_ADDR(6)	DMA_ACK(2)	*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_SEL },  /* GPIO2	EBC_ADDR(5)	DMA_EOT/TC(2)	*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_SEL },  /* GPIO3	EBC_ADDR(4)	DMA_REQ(3)	*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_SEL },  /* GPIO4	EBC_ADDR(3)	DMA_ACK(3)	*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_SEL },  /* GPIO5	EBC_ADDR(2)	DMA_EOT/TC(3)	*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO6	EBC_CS_N(1)			*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO7	EBC_CS_N(2)			*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO8	EBC_CS_N(3)			*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO9	EBC_CS_N(4)			*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_SEL },  /* GPIO10	EBC_CS_N(5)			*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_SEL },  /* GPIO11	EBC_BUS_ERR			*/	\
+{ GPIO0_BASE, GPIO_IN,  GPIO_ALT1 }, /* GPIO12	ZII_p0Rxd(0)			*/	\
+{ GPIO0_BASE, GPIO_IN,  GPIO_ALT1 }, /* GPIO13	ZII_p0Rxd(1)			*/	\
+{ GPIO0_BASE, GPIO_IN,  GPIO_ALT1 }, /* GPIO14	ZII_p0Rxd(2)			*/	\
+{ GPIO0_BASE, GPIO_IN,  GPIO_ALT1 }, /* GPIO15	ZII_p0Rxd(3)			*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO16	ZII_p0Txd(0)			*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO17	ZII_p0Txd(1)			*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO18	ZII_p0Txd(2)			*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO19	ZII_p0Txd(3)			*/	\
+{ GPIO0_BASE, GPIO_IN,  GPIO_ALT1 }, /* GPIO20	ZII_p0Rx_er			*/	\
+{ GPIO0_BASE, GPIO_IN,  GPIO_ALT1 }, /* GPIO21	ZII_p0Rx_dv			*/	\
+{ GPIO0_BASE, GPIO_IN,  GPIO_ALT1 }, /* GPIO22	ZII_p0RxCrs			*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO23	ZII_p0Tx_er			*/	\
+{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO24	ZII_p0Tx_en			*/	\
+{ GPIO0_BASE, GPIO_IN,  GPIO_ALT1 }, /* GPIO25	ZII_p0Col			*/	\
+{ GPIO0_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO26			USB2D_RXVALID	*/	\
+{ GPIO0_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO27	EXT_EBC_REQ	USB2D_RXERROR	*/	\
+{ GPIO0_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO28			USB2D_TXVALID	*/	\
+{ GPIO0_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO29	EBC_EXT_HDLA	USB2D_PAD_SUSPNDM */	\
+{ GPIO0_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO30	EBC_EXT_ACK	USB2D_XCVRSELECT*/	\
+{ GPIO0_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO31	EBC_EXR_BUSREQ	USB2D_TERMSELECT*/	\
+},											\
+{											\
+/* GPIO Core 1 */									\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO32	USB2D_OPMODE0			*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO33	USB2D_OPMODE1			*/	\
+{ GPIO1_BASE, GPIO_OUT, GPIO_ALT3 }, /* GPIO34	UART0_DCD_N	UART1_DSR_CTS_N	UART2_SOUT*/ \
+{ GPIO1_BASE, GPIO_IN,  GPIO_ALT3 }, /* GPIO35	UART0_8PIN_DSR_N UART1_RTS_DTR_N UART2_SIN*/ \
+{ GPIO1_BASE, GPIO_IN,  GPIO_ALT1 }, /* GPIO36	UART0_8PIN_CTS_N		UART3_SIN*/ \
+{ GPIO1_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO37	UART0_RTS_N			*/	\
+{ GPIO1_BASE, GPIO_OUT, GPIO_ALT2 }, /* GPIO38	UART0_DTR_N	UART1_SOUT	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_ALT2 }, /* GPIO39	UART0_RI_N	UART1_SIN	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_ALT1 }, /* GPIO40	UIC_IRQ(0)			*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_ALT1 }, /* GPIO41	UIC_IRQ(1)			*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_ALT1 }, /* GPIO42	UIC_IRQ(2)			*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_ALT1 }, /* GPIO43	UIC_IRQ(3)			*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_ALT1 }, /* GPIO44	UIC_IRQ(4)	DMA_ACK(1)	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO45	UIC_IRQ(6)	DMA_EOT/TC(1)	*/	\
+{ GPIO1_BASE, GPIO_BI,  GPIO_SEL },  /* GPIO46	UIC_IRQ(7)	DMA_REQ(0)	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO47	UIC_IRQ(8)	DMA_ACK(0)	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO48	UIC_IRQ(9)	DMA_EOT/TC(0)	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO49  Unselect via TraceSelect Bit	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO50  Unselect via TraceSelect Bit	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO51  Unselect via TraceSelect Bit	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO52  Unselect via TraceSelect Bit	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO53  Unselect via TraceSelect Bit	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO54  Unselect via TraceSelect Bit	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO55  Unselect via TraceSelect Bit	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO56  Unselect via TraceSelect Bit	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO57  Unselect via TraceSelect Bit	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO58  Unselect via TraceSelect Bit	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO59  Unselect via TraceSelect Bit	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO60  Unselect via TraceSelect Bit	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO61  Unselect via TraceSelect Bit	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO62  Unselect via TraceSelect Bit	*/	\
+{ GPIO1_BASE, GPIO_IN,  GPIO_SEL },  /* GPIO63  Unselect via TraceSelect Bit	*/	\
+}											\
+}
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_DCACHE_SIZE		(32<<10) /* For AMCC 440 CPUs			*/
+#define CFG_CACHELINE_SIZE	32	/* ...			*/
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CACHELINE_SHIFT	5	/* log base 2 of the above value	*/
+#endif
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/
+#define BOOTFLAG_WARM	0x02		/* Software reboot			*/
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
+#define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
+#endif
+
+#endif	/* __CONFIG_H */
diff --git a/include/ppc440.h b/include/ppc440.h
index 018f7be8a..53f14b508 100644
--- a/include/ppc440.h
+++ b/include/ppc440.h
@@ -1357,56 +1357,106 @@
 /******************************************************************************
  * GPIO macro register defines
  ******************************************************************************/
+#define GPIO0			0
+#define GPIO1			1
+
 #if defined(CONFIG_440GP)
-#define GPIO_BASE0             (CFG_PERIPHERAL_BASE+0x00000700)
+#define GPIO0_BASE             (CFG_PERIPHERAL_BASE+0x00000700)
 
-#define GPIO0_OR               (GPIO_BASE0+0x0)
-#define GPIO0_TCR              (GPIO_BASE0+0x4)
-#define GPIO0_ODR              (GPIO_BASE0+0x18)
-#define GPIO0_IR               (GPIO_BASE0+0x1C)
+#define GPIO0_OR               (GPIO0_BASE+0x0)
+#define GPIO0_TCR              (GPIO0_BASE+0x4)
+#define GPIO0_ODR              (GPIO0_BASE+0x18)
+#define GPIO0_IR               (GPIO0_BASE+0x1C)
 #endif /* CONFIG_440GP */
 
 #if defined(CONFIG_440EP) || defined(CONFIG_440GR)
-#define GPIO_BASE0             (CFG_PERIPHERAL_BASE+0x00000B00)
-#define GPIO_BASE1             (CFG_PERIPHERAL_BASE+0x00000C00)
+#define GPIO0_BASE             (CFG_PERIPHERAL_BASE+0x00000B00)
+#define GPIO1_BASE             (CFG_PERIPHERAL_BASE+0x00000C00)
+
+/* Offsets */
+#define GPIOx_OR    0x00	/* GPIO Output Register */
+#define GPIOx_TCR   0x04	/* GPIO Three-State Control Register */
+#define GPIOx_OSL   0x08	/* GPIO Output Select Register (Bits 0-31) */
+#define GPIOx_OSH   0x0C	/* GPIO Ouput Select Register (Bits 32-63) */
+#define GPIOx_TSL   0x10	/* GPIO Three-State Select Register (Bits 0-31) */
+#define GPIOx_TSH   0x14	/* GPIO Three-State Select Register  (Bits 32-63) */
+#define GPIOx_ODR   0x18	/* GPIO Open drain Register */
+#define GPIOx_IR    0x1C	/* GPIO Input Register */
+#define GPIOx_RR1   0x20	/* GPIO Receive Register 1 */
+#define GPIOx_RR2   0x24	/* GPIO Receive Register 2 */
+#define GPIOx_RR3   0x28	/* GPIO Receive Register 3 */
+#define GPIOx_IS1L  0x30	/* GPIO Input Select Register 1 (Bits 0-31) */
+#define GPIOx_IS1H  0x34	/* GPIO Input Select Register 1 (Bits 32-63) */
+#define GPIOx_IS2L  0x38	/* GPIO Input Select Register 2 (Bits 0-31) */
+#define GPIOx_IS2H  0x3C	/* GPIO Input Select Register 2 (Bits 32-63) */
+#define GPIOx_IS3L  0x40	/* GPIO Input Select Register 3 (Bits 0-31) */
+#define GPIOx_IS3H  0x44	/* GPIO Input Select Register 3 (Bits 32-63) */
+
+#define GPIO_OS(x)	(x+GPIOx_OSL)	/* GPIO Output Register High or Low */
+#define GPIO_TS(x)	(x+GPIOx_TSL)	/* GPIO Three-state Control Reg High or Low */
+#define GPIO_IS1(x)	(x+GPIOx_IS1L)	/* GPIO Input register1 High or Low */
+#define GPIO_IS2(x)	(x+GPIOx_IS2L)	/* GPIO Input register2 High or Low */
+#define GPIO_IS3(x)	(x+GPIOx_IS3L)	/* GPIO Input register3 High or Low */
 
-#define GPIO0_OR               (GPIO_BASE0+0x0)
-#define GPIO0_TCR              (GPIO_BASE0+0x4)
-#define GPIO0_OSRL             (GPIO_BASE0+0x8)
-#define GPIO0_OSRH             (GPIO_BASE0+0xC)
-#define GPIO0_TSRL             (GPIO_BASE0+0x10)
-#define GPIO0_TSRH             (GPIO_BASE0+0x14)
-#define GPIO0_ODR              (GPIO_BASE0+0x18)
-#define GPIO0_IR               (GPIO_BASE0+0x1C)
-#define GPIO0_RR1              (GPIO_BASE0+0x20)
-#define GPIO0_RR2              (GPIO_BASE0+0x24)
-#define GPIO0_RR3	       (GPIO_BASE0+0x28)
-#define GPIO0_ISR1L            (GPIO_BASE0+0x30)
-#define GPIO0_ISR1H            (GPIO_BASE0+0x34)
-#define GPIO0_ISR2L            (GPIO_BASE0+0x38)
-#define GPIO0_ISR2H            (GPIO_BASE0+0x3C)
-#define GPIO0_ISR3L            (GPIO_BASE0+0x40)
-#define GPIO0_ISR3H            (GPIO_BASE0+0x44)
+#define GPIO0_OR               (GPIO0_BASE+0x0)
+#define GPIO0_TCR              (GPIO0_BASE+0x4)
+#define GPIO0_OSRL             (GPIO0_BASE+0x8)
+#define GPIO0_OSRH             (GPIO0_BASE+0xC)
+#define GPIO0_TSRL             (GPIO0_BASE+0x10)
+#define GPIO0_TSRH             (GPIO0_BASE+0x14)
+#define GPIO0_ODR              (GPIO0_BASE+0x18)
+#define GPIO0_IR               (GPIO0_BASE+0x1C)
+#define GPIO0_RR1              (GPIO0_BASE+0x20)
+#define GPIO0_RR2              (GPIO0_BASE+0x24)
+#define GPIO0_RR3	       (GPIO0_BASE+0x28)
+#define GPIO0_ISR1L            (GPIO0_BASE+0x30)
+#define GPIO0_ISR1H            (GPIO0_BASE+0x34)
+#define GPIO0_ISR2L            (GPIO0_BASE+0x38)
+#define GPIO0_ISR2H            (GPIO0_BASE+0x3C)
+#define GPIO0_ISR3L            (GPIO0_BASE+0x40)
+#define GPIO0_ISR3H            (GPIO0_BASE+0x44)
 
-#define GPIO1_OR               (GPIO_BASE1+0x0)
-#define GPIO1_TCR              (GPIO_BASE1+0x4)
-#define GPIO1_OSRL             (GPIO_BASE1+0x8)
-#define GPIO1_OSRH             (GPIO_BASE1+0xC)
-#define GPIO1_TSRL             (GPIO_BASE1+0x10)
-#define GPIO1_TSRH             (GPIO_BASE1+0x14)
-#define GPIO1_ODR              (GPIO_BASE1+0x18)
-#define GPIO1_IR               (GPIO_BASE1+0x1C)
-#define GPIO1_RR1              (GPIO_BASE1+0x20)
-#define GPIO1_RR2              (GPIO_BASE1+0x24)
-#define GPIO1_RR3              (GPIO_BASE1+0x28)
-#define GPIO1_ISR1L            (GPIO_BASE1+0x30)
-#define GPIO1_ISR1H            (GPIO_BASE1+0x34)
-#define GPIO1_ISR2L            (GPIO_BASE1+0x38)
-#define GPIO1_ISR2H            (GPIO_BASE1+0x3C)
-#define GPIO1_ISR3L            (GPIO_BASE1+0x40)
-#define GPIO1_ISR3H            (GPIO_BASE1+0x44)
+#define GPIO1_OR               (GPIO1_BASE+0x0)
+#define GPIO1_TCR              (GPIO1_BASE+0x4)
+#define GPIO1_OSRL             (GPIO1_BASE+0x8)
+#define GPIO1_OSRH             (GPIO1_BASE+0xC)
+#define GPIO1_TSRL             (GPIO1_BASE+0x10)
+#define GPIO1_TSRH             (GPIO1_BASE+0x14)
+#define GPIO1_ODR              (GPIO1_BASE+0x18)
+#define GPIO1_IR               (GPIO1_BASE+0x1C)
+#define GPIO1_RR1              (GPIO1_BASE+0x20)
+#define GPIO1_RR2              (GPIO1_BASE+0x24)
+#define GPIO1_RR3              (GPIO1_BASE+0x28)
+#define GPIO1_ISR1L            (GPIO1_BASE+0x30)
+#define GPIO1_ISR1H            (GPIO1_BASE+0x34)
+#define GPIO1_ISR2L            (GPIO1_BASE+0x38)
+#define GPIO1_ISR2H            (GPIO1_BASE+0x3C)
+#define GPIO1_ISR3L            (GPIO1_BASE+0x40)
+#define GPIO1_ISR3H            (GPIO1_BASE+0x44)
 #endif
 
+#define GPIO_GROUP_MAX	    2
+#define GPIO_MAX	    32
+#define GPIO_ALT1_SEL	    0x40000000	    /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 0 */
+#define GPIO_ALT2_SEL	    0x80000000	    /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 1 */
+#define GPIO_ALT3_SEL	    0xC0000000	    /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 2 */
+#define GPIO_MASK	    0xC0000000	    /* GPIO_MASK */
+#define GPIO_IN_SEL	    0x40000000	    /* GPIO_IN value put in GPIO_ISx for the GPIO nb 0 */
+					    /* For the other GPIO number, you must shift */
+
+#ifndef __ASSEMBLY__
+
+typedef enum gpio_select { GPIO_SEL, GPIO_ALT1, GPIO_ALT2, GPIO_ALT3 } gpio_select_t;
+typedef enum gpio_driver { GPIO_DIS, GPIO_IN, GPIO_OUT, GPIO_BI } gpio_driver_t;
+
+typedef struct { unsigned long	add;	/* gpio core base address */
+	gpio_driver_t  in_out; /* Driver Setting */
+	gpio_select_t  alt_nb; /* Selected Alternate */
+} gpio_param_s;
+
+
+#endif /* __ASSEMBLY__ */
+
 /*
  * Macros for accessing the indirect EBC registers
  */