* Patches by Xianghua Xiao, 15 Oct 2003:

  - Added Motorola CPU 8540/8560 support (cpu/85xx)
  - Added Motorola MPC8540ADS board support (board/mpc8540ads)
  - Added Motorola MPC8560ADS board support (board/mpc8560ads)

* Minor code cleanup

6 files changed, 1210 insertions, 0 deletions

diff --git a/board/mpc8540ads/Makefile b/board/mpc8540ads/Makefile
new file mode 100644
index 0000000..d150df8
--- /dev/null
+++ b/board/mpc8540ads/Makefile
@@ -0,0 +1,48 @@
+#
+# (C) Copyright 2001
+# 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	:= $(BOARD).o flash.o
+SOBJS	:= init.o
+#SOBJS	:=
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) crv $@ $(OBJS)
+
+clean:
+	rm -f $(OBJS) $(SOBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+-include .depend
+
+#########################################################################
diff --git a/board/mpc8540ads/config.mk b/board/mpc8540ads/config.mk
new file mode 100644
index 0000000..186a2f2
--- /dev/null
+++ b/board/mpc8540ads/config.mk
@@ -0,0 +1,32 @@
+# Modified by Xianghua Xiao, X.Xiao@motorola.com
+# (C) Copyright 2002,Motorola Inc.
+#
+# 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
+#
+
+#
+# mpc8540ads board
+# default CCARBAR is at 0xff700000
+# assume U-Boot is less than 0.5MB
+#
+TEXT_BASE = 0xfff80000
+
+PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx=1
+PLATFORM_CPPFLAGS += -DCONFIG_MPC8540=1
+PLATFORM_CPPFLAGS += -DCONFIG_E500=1
diff --git a/board/mpc8540ads/flash.c b/board/mpc8540ads/flash.c
new file mode 100644
index 0000000..ac2383e
--- /dev/null
+++ b/board/mpc8540ads/flash.c
@@ -0,0 +1,539 @@
+/*
+ * (C) Copyright 2003 Motorola Inc.
+ *  Xianghua Xiao,(X.Xiao@motorola.com)
+ *
+ * (C) Copyright 2000, 2001
+ *  Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2001, Stuart Hughes, Lineo Inc, stuarth@lineo.com
+ * Add support the Sharp chips on the mpc8260ads.
+ * I started with board/ip860/flash.c and made changes I found in
+ * the MTD project by David Schleef.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+#if !defined(CFG_NO_FLASH)
+
+flash_info_t	flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips	*/
+
+#if defined(CFG_ENV_IS_IN_FLASH)
+# ifndef  CFG_ENV_ADDR
+#  define CFG_ENV_ADDR	(CFG_FLASH_BASE + CFG_ENV_OFFSET)
+# endif
+# ifndef  CFG_ENV_SIZE
+#  define CFG_ENV_SIZE	CFG_ENV_SECT_SIZE
+# endif
+# ifndef  CFG_ENV_SECT_SIZE
+#  define CFG_ENV_SECT_SIZE  CFG_ENV_SIZE
+# endif
+#endif
+
+#undef DEBUG
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (vu_long *addr, flash_info_t *info);
+static int write_word (flash_info_t *info, ulong dest, ulong data);
+static int clear_block_lock_bit(vu_long * addr);
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+	unsigned long size;
+	int i;
+
+	/* Init: enable write,
+	 * or we cannot even write flash commands
+	 */
+	for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
+		flash_info[i].flash_id = FLASH_UNKNOWN;
+
+		/* set the default sector offset */
+	}
+
+	/* Static FLASH Bank configuration here - FIXME XXX */
+
+	size = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
+
+	if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+		printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+			size, size<<20);
+	}
+
+	/* Re-do sizing to get full correct info */
+	size = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
+
+	flash_info[0].size = size;
+
+#if !defined(CONFIG_RAM_AS_FLASH)
+#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
+	/* monitor protection ON by default */
+	flash_protect(FLAG_PROTECT_SET,
+		      CFG_MONITOR_BASE,
+		      CFG_MONITOR_BASE+monitor_flash_len-1,
+		      &flash_info[0]);
+#endif
+
+#ifdef	CFG_ENV_IS_IN_FLASH
+	/* ENV protection ON by default */
+	flash_protect(FLAG_PROTECT_SET,
+		      CFG_ENV_ADDR,
+		      CFG_ENV_ADDR+CFG_ENV_SECT_SIZE-1,
+		      &flash_info[0]);
+#endif
+#endif
+	return (size);
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info  (flash_info_t *info)
+{
+	int i;
+
+	if (info->flash_id == FLASH_UNKNOWN) {
+		printf ("missing or unknown FLASH type\n");
+		return;
+	}
+
+	switch (info->flash_id & FLASH_VENDMASK) {
+	case FLASH_MAN_INTEL:	printf ("Intel ");		break;
+	case FLASH_MAN_SHARP:   printf ("Sharp ");		break;
+	default:		printf ("Unknown Vendor ");	break;
+	}
+
+	switch (info->flash_id & FLASH_TYPEMASK) {
+	case FLASH_28F016SV:	printf ("28F016SV (16 Mbit, 32 x 64k)\n");
+				break;
+	case FLASH_28F160S3:	printf ("28F160S3 (16 Mbit, 32 x 512K)\n");
+				break;
+	case FLASH_28F320S3:	printf ("28F320S3 (32 Mbit, 64 x 512K)\n");
+				break;
+	case FLASH_LH28F016SCT: printf ("28F016SC (16 Mbit, 32 x 64K)\n");
+				break;
+	case FLASH_28F640J3A:   printf ("28F640J3A (64 Mbit, 64 x 128K)\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) {
+		if ((i % 5) == 0)
+			printf ("\n   ");
+		printf (" %08lX%s",
+			info->start[i],
+			info->protect[i] ? " (RO)" : "     "
+		);
+	}
+	printf ("\n");
+}
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+
+static ulong flash_get_size (vu_long *addr, flash_info_t *info)
+{
+	short i;
+	ulong value;
+	ulong base = (ulong)addr;
+	ulong sector_offset;
+
+#ifdef DEBUG
+	printf("Check flash at 0x%08x\n",(uint)addr);
+#endif
+	/* Write "Intelligent Identifier" command: read Manufacturer ID */
+	*addr = 0x90909090;
+	udelay(20);
+	asm("sync");
+
+	value = addr[0] & 0x00FF00FF;
+
+#ifdef DEBUG
+	printf("manufacturer=0x%x\n",(uint)value);
+#endif
+	switch (value) {
+	case MT_MANUFACT:	/* SHARP, MT or => Intel */
+	case INTEL_ALT_MANU:
+		info->flash_id = FLASH_MAN_INTEL;
+		break;
+	default:
+		printf("unknown manufacturer: %x\n", (unsigned int)value);
+		info->flash_id = FLASH_UNKNOWN;
+		info->sector_count = 0;
+		info->size = 0;
+		return (0);			/* no or unknown flash	*/
+	}
+
+	value = addr[1] & 0x00FF00FF;             /* device ID            */
+
+#ifdef DEBUG
+	printf("deviceID=0x%x\n",(uint)value);
+#endif
+	switch (value) {
+	case (INTEL_ID_28F016S):
+		info->flash_id += FLASH_28F016SV;
+		info->sector_count = 32;
+		info->size = 0x00400000;
+		sector_offset = 0x20000;
+		break;				/* => 2x2 MB		*/
+
+	case (INTEL_ID_28F160S3):
+		info->flash_id += FLASH_28F160S3;
+		info->sector_count = 32;
+		info->size = 0x00400000;
+		sector_offset = 0x20000;
+		break;				/* => 2x2 MB		*/
+
+	case (INTEL_ID_28F320S3):
+		info->flash_id += FLASH_28F320S3;
+		info->sector_count = 64;
+		info->size = 0x00800000;
+		sector_offset = 0x20000;
+		break;				/* => 2x4 MB		*/
+
+	case (INTEL_ID_28F640J3A):
+		info->flash_id += FLASH_28F640J3A;
+		info->sector_count = 64;
+		info->size = 0x01000000;
+		sector_offset = 0x40000;
+		break;                          /* => 2x8 MB             */
+
+	case SHARP_ID_28F016SCL:
+	case SHARP_ID_28F016SCZ:
+		info->flash_id      = FLASH_MAN_SHARP | FLASH_LH28F016SCT;
+		info->sector_count  = 32;
+		info->size          = 0x00800000;
+		sector_offset = 0x40000;
+		break;				/* => 4x2 MB		*/
+
+
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		return (0);			/* => no or unknown flash */
+
+	}
+
+	/* set up sector start address table */
+	for (i = 0; i < info->sector_count; i++) {
+		info->start[i] = base;
+		base += sector_offset;
+		/* don't know how to check sector protection */
+		info->protect[i] = 0;
+	}
+
+	/*
+	 * Prevent writes to uninitialized FLASH.
+	 */
+	if (info->flash_id != FLASH_UNKNOWN) {
+		addr = (vu_long *)info->start[0];
+		*addr = 0xFFFFFF;	/* reset bank to read array mode */
+		asm("sync");
+	}
+
+	return (info->size);
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+
+int	flash_erase (flash_info_t *info, int s_first, int s_last)
+{
+	int flag, prot, 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_VENDMASK) != FLASH_MAN_INTEL)
+	     && ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_SHARP) ) {
+		printf ("Can't erase unknown flash type %08lx - aborted\n",
+			info->flash_id);
+		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");
+	}
+
+#ifdef DEBUG
+	printf("\nFlash Erase:\n");
+#endif
+	/* Make Sure Block Lock Bit is not set. */
+	if(clear_block_lock_bit((vu_long *)(info->start[s_first]))){
+		return 1;
+	}
+
+	/* Start erase on unprotected sectors */
+#if defined(DEBUG)
+	printf("Begin to erase now,s_first=0x%x s_last=0x%x...\n",s_first,s_last);
+#endif
+	for (sect = s_first; sect<=s_last; sect++) {
+		if (info->protect[sect] == 0) {	/* not protected */
+			vu_long *addr = (vu_long *)(info->start[sect]);
+			asm("sync");
+
+			last = start = get_timer (0);
+
+			/* Disable interrupts which might cause a timeout here */
+			flag = disable_interrupts();
+
+			/* Reset Array */
+			*addr = 0xffffffff;
+			asm("sync");
+			/* Clear Status Register */
+			*addr = 0x50505050;
+			asm("sync");
+			/* Single Block Erase Command */
+			*addr = 0x20202020;
+			asm("sync");
+			/* Confirm */
+			*addr = 0xD0D0D0D0;
+			asm("sync");
+
+			if((info->flash_id & FLASH_TYPEMASK) != FLASH_LH28F016SCT) {
+			    /* Resume Command, as per errata update */
+			    *addr = 0xD0D0D0D0;
+			    asm("sync");
+			}
+
+			/* re-enable interrupts if necessary */
+			if (flag)
+				enable_interrupts();
+
+			/* wait at least 80us - let's wait 1 ms */
+			udelay (1000);
+			while ((*addr & 0x00800080) != 0x00800080) {
+				if(*addr & 0x00200020){
+					printf("Error in Block Erase - Lock Bit may be set!\n");
+					printf("Status Register = 0x%X\n", (uint)*addr);
+					*addr = 0xFFFFFFFF;	/* reset bank */
+					asm("sync");
+					return 1;
+				}
+				if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+					printf ("Timeout\n");
+					*addr = 0xFFFFFFFF;	/* reset bank */
+					asm("sync");
+					return 1;
+				}
+				/* show that we're waiting */
+				if ((now - last) > 1000) {	/* every second */
+					putc ('.');
+					last = now;
+				}
+			}
+
+			/* reset to read mode */
+			*addr = 0xFFFFFFFF;
+			asm("sync");
+		}
+	}
+
+	printf ("flash erase 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)
+{
+	vu_long *addr = (vu_long *)dest;
+	ulong start, csr;
+	int flag;
+
+	/* Check if Flash is (sufficiently) erased */
+	if ((*addr & data) != data) {
+		return (2);
+	}
+	/* Disable interrupts which might cause a timeout here */
+	flag = disable_interrupts();
+
+	/* Write Command */
+	*addr = 0x10101010;
+	asm("sync");
+
+	/* Write Data */
+	*addr = data;
+
+	/* re-enable interrupts if necessary */
+	if (flag)
+		enable_interrupts();
+
+	/* data polling for D7 */
+	start = get_timer (0);
+	flag  = 0;
+
+	while (((csr = *addr) & 0x00800080) != 0x00800080) {
+		if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+			flag = 1;
+			break;
+		}
+	}
+	if (csr & 0x40404040) {
+		printf ("CSR indicates write error (%08lx) at %08lx\n", csr, (ulong)addr);
+		flag = 1;
+	}
+
+	/* Clear Status Registers Command */
+	*addr = 0x50505050;
+	asm("sync");
+	/* Reset to read array mode */
+	*addr = 0xFFFFFFFF;
+	asm("sync");
+
+	return (flag);
+}
+
+/*-----------------------------------------------------------------------
+ * Clear Block Lock Bit, returns:
+ * 0 - OK
+ * 1 - Timeout
+ */
+
+static int clear_block_lock_bit(vu_long  * addr)
+{
+	ulong start, now;
+
+	/* Reset Array */
+	*addr = 0xffffffff;
+	asm("sync");
+	/* Clear Status Register */
+	*addr = 0x50505050;
+	asm("sync");
+
+	*addr = 0x60606060;
+	asm("sync");
+	*addr = 0xd0d0d0d0;
+	asm("sync");
+
+	start = get_timer (0);
+	while((*addr & 0x00800080) != 0x00800080){
+		if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+			printf ("Timeout on clearing Block Lock Bit\n");
+			*addr = 0xFFFFFFFF;	/* reset bank */
+			asm("sync");
+			return 1;
+		}
+	}
+	return 0;
+}
+
+#endif /* !CFG_NO_FLASH */
diff --git a/board/mpc8540ads/init.S b/board/mpc8540ads/init.S
new file mode 100644
index 0000000..8c2ca65
--- /dev/null
+++ b/board/mpc8540ads/init.S
@@ -0,0 +1,178 @@
+/*
+* Copyright (C) 2002,2003, Motorola Inc.
+* Xianghua Xiao <X.Xiao@motorola.com>
+*
+* See file CREDITS for list of people who contributed to this
+* project.
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License as
+* published by the Free Software Foundation; either version 2 of
+* the License, or (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+* MA 02111-1307 USA
+*/
+
+#include <ppc_asm.tmpl>
+#include <ppc_defs.h>
+#include <asm/cache.h>
+#include <asm/mmu.h>
+#include <config.h>
+#include <mpc85xx.h>
+
+#define	entry_start \
+	mflr	r1 	;	\
+	bl	0f 	;
+
+#define	entry_end \
+0:	mflr	r0	;	\
+	mtlr	r1	;	\
+	blr		;
+
+/* TLB1 entries configuration: */
+
+	.section	.bootpg, "ax"
+	.globl	tlb1_entry
+tlb1_entry:
+	entry_start
+
+	.long 0x0a	/* the following data table uses a few of 16 TLB entries */
+
+	.long TLB1_MAS0(1,1,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_1M)
+	.long TLB1_MAS2(((CFG_CCSRBAR>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(((CFG_CCSRBAR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+  #if defined(CFG_FLASH_PORT_WIDTH_16)
+	.long TLB1_MAS0(1,2,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_4M)
+	.long TLB1_MAS2(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(1,3,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_4M)
+	.long TLB1_MAS2((((CFG_FLASH_BASE+0x400000)>>12)&0xfffff),0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3((((CFG_FLASH_BASE+0x400000)>>12)&0xfffff),0,0,0,0,0,1,0,1,0,1)
+  #else
+	.long TLB1_MAS0(1,2,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16M)
+	.long TLB1_MAS2(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(1,3,0)
+	.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
+	.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
+  #endif
+
+  #if !defined(CONFIG_SPD_EEPROM)
+	.long TLB1_MAS0(1,4,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M)
+	.long TLB1_MAS2(((CFG_DDR_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3(((CFG_DDR_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(1,5,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M)
+	.long TLB1_MAS2((((CFG_DDR_SDRAM_BASE+0x4000000)>>12) & 0xfffff),0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3((((CFG_DDR_SDRAM_BASE+0x4000000)>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+  #else
+	.long TLB1_MAS0(1,4,0)
+	.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
+	.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(1,5,0)
+	.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
+	.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
+  #endif
+
+	.long TLB1_MAS0(1,6,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M)
+  #if defined(CONFIG_RAM_AS_FLASH)
+	.long TLB1_MAS2(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+  #else
+	.long TLB1_MAS2(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,0,0,0)
+  #endif
+	.long TLB1_MAS3(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(1,7,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16K)
+  #ifdef CONFIG_L2_INIT_RAM
+	.long TLB1_MAS2(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,1,0,0,0,0)
+  #else
+	.long TLB1_MAS2(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,0,0,0,0,0)
+  #endif
+	.long TLB1_MAS3(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(1,8,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_256M)
+	.long TLB1_MAS2(((CFG_PCI_MEM_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(((CFG_PCI_MEM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(1,9,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16K)
+	.long TLB1_MAS2(((CFG_BCSR>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(((CFG_BCSR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+  #if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
+	.long TLB1_MAS0(1,15,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_1M)
+	.long TLB1_MAS2(((CFG_CCSRBAR_DEFAULT>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(((CFG_CCSRBAR_DEFAULT>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+  #else
+	.long TLB1_MAS0(1,15,0)
+	.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
+	.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
+  #endif
+	entry_end
+
+/* LAW(Local Access Window) configuration:
+ * 0000_0000-0800_0000: DDR(128M) -or- larger
+ * f000_0000-f3ff_ffff: PCI(256M)
+ * f400_0000-f7ff_ffff: RapidIO(128M)
+ * f800_0000-ffff_ffff: localbus(128M)
+ *   f800_0000-fbff_ffff: LBC SDRAM(64M)
+ *   fc00_0000-fdef_ffff: LBC BCSR,RTC,etc(31M)
+ *   fdf0_0000-fdff_ffff: CCSRBAR(1M)
+ *   fe00_0000-ffff_ffff: Flash(32M)
+ * Note: CCSRBAR and L2-as-SRAM don't need configure Local Access
+ *       Window.
+ * Note: If flash is 8M at default position(last 8M),no LAW needed.
+ */
+
+#if !defined(CONFIG_SPD_EEPROM)
+#define LAWBAR0 ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff)
+#define LAWAR0 	(LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M))
+#else
+#define LAWBAR0 0
+#define LAWAR0  ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
+#endif
+
+#define LAWBAR1 ((CFG_PCI_MEM_BASE>>12) & 0xfffff)
+#define LAWAR1 	(LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_256M))
+
+#if !defined(CONFIG_RAM_AS_FLASH)
+#define LAWBAR2 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
+#define LAWAR2 	(LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_128M))
+#else
+#define LAWBAR2 0
+#define LAWAR2 ((LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
+#endif
+
+	.section .bootpg, "ax"
+	.globl	law_entry
+law_entry:
+	entry_start
+	.long 0x03
+	.long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2
+	entry_end
diff --git a/board/mpc8540ads/mpc8540ads.c b/board/mpc8540ads/mpc8540ads.c
new file mode 100644
index 0000000..c21cd9e
--- /dev/null
+++ b/board/mpc8540ads/mpc8540ads.c
@@ -0,0 +1,265 @@
+/*
+ * (C) Copyright 2002,2003, Motorola Inc.
+ * Xianghua Xiao, (X.Xiao@motorola.com)
+ *
+ * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+
+extern long int spd_sdram (void);
+
+#include <common.h>
+#include <asm/processor.h>
+#include <asm/immap_85xx.h>
+#include <spd.h>
+
+long int fixed_sdram (void);
+
+/* MPC8540ADS Board Status & Control Registers */
+#if 0
+typedef struct bscr_ {
+	unsigned long bcsr0;
+	unsigned long bcsr1;
+	unsigned long bcsr2;
+	unsigned long bcsr3;
+	unsigned long bcsr4;
+	unsigned long bcsr5;
+	unsigned long bcsr6;
+	unsigned long bcsr7;
+} bcsr_t;
+#endif
+
+int board_pre_init (void)
+{
+#if defined(CONFIG_PCI)
+    volatile immap_t *immr = (immap_t *)CFG_IMMR;
+    volatile ccsr_pcix_t *pci = &immr->im_pcix;
+
+    pci->peer &= 0xffffffdf; /* disable master abort */
+#endif
+	return 0;
+}
+
+int checkboard (void)
+{
+	sys_info_t sysinfo;
+
+	get_sys_info (&sysinfo);
+
+	printf ("Board: Motorola MPC8540ADS Board\n");
+	printf ("\tCPU: %lu MHz\n", sysinfo.freqProcessor / 1000000);
+	printf ("\tCCB: %lu MHz\n", sysinfo.freqSystemBus / 1000000);
+	printf ("\tDDR: %lu MHz\n", sysinfo.freqSystemBus / 2000000);
+	if((CFG_LBC_LCRR & 0x0f) == 2 || (CFG_LBC_LCRR & 0x0f) == 4 \
+		|| (CFG_LBC_LCRR & 0x0f) == 8) {
+		printf ("\tLBC: %lu MHz\n", sysinfo.freqSystemBus / 1000000 /(CFG_LBC_LCRR & 0x0f));
+	} else {
+		printf("\tLBC: unknown\n");
+	}
+	printf("L1 D-cache 32KB, L1 I-cache 32KB enabled.\n");
+	return (0);
+}
+
+long int initdram (int board_type)
+{
+	long dram_size = 0;
+	extern long spd_sdram (void);
+	volatile immap_t *immap = (immap_t *)CFG_IMMR;
+#if !defined(CONFIG_RAM_AS_FLASH)
+	volatile ccsr_lbc_t *lbc= &immap->im_lbc;
+	sys_info_t sysinfo;
+	uint temp_lbcdll = 0;
+#endif
+#if !defined(CONFIG_RAM_AS_FLASH) || defined(CONFIG_DDR_DLL)
+	volatile ccsr_gur_t *gur= &immap->im_gur;
+#endif
+#if defined(CONFIG_DDR_DLL)
+	uint temp_ddrdll = 0;
+
+	/* Work around to stabilize DDR DLL */
+	temp_ddrdll = gur->ddrdllcr;
+	gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
+	asm("sync;isync;msync");
+#endif
+
+#if defined(CONFIG_SPD_EEPROM)
+	dram_size = spd_sdram ();
+#else
+	dram_size = fixed_sdram ();
+#endif
+
+#if !defined(CONFIG_RAM_AS_FLASH) /* LocalBus is not emulating flash */
+	get_sys_info(&sysinfo);
+	/* if localbus freq is less than 66Mhz,we use bypass mode,otherwise use DLL */
+	if(sysinfo.freqSystemBus/(CFG_LBC_LCRR & 0x0f) < 66000000) {
+		lbc->lcrr = (CFG_LBC_LCRR & 0x0fffffff)| 0x80000000;
+	} else {
+#if defined(CONFIG_MPC85xx_REV1) /* need change CLKDIV before enable DLL */
+		lbc->lcrr = 0x10000004; /* default CLKDIV is 8, change it to 4 temporarily */
+#endif
+		lbc->lcrr = CFG_LBC_LCRR & 0x7fffffff;
+		udelay(200);
+		temp_lbcdll = gur->lbcdllcr;
+		gur->lbcdllcr = ((temp_lbcdll & 0xff) << 16 ) | 0x80000000;
+		asm("sync;isync;msync");
+	}
+	lbc->or2 = CFG_OR2_PRELIM; /* 64MB SDRAM */
+	lbc->br2 = CFG_BR2_PRELIM;
+	lbc->lbcr = CFG_LBC_LBCR;
+	lbc->lsdmr = CFG_LBC_LSDMR_1;
+	asm("sync");
+	(unsigned int) * (ulong *)0 = 0x000000ff;
+	lbc->lsdmr = CFG_LBC_LSDMR_2;
+	asm("sync");
+	(unsigned int) * (ulong *)0 = 0x000000ff;
+	lbc->lsdmr = CFG_LBC_LSDMR_3;
+	asm("sync");
+	(unsigned int) * (ulong *)0 = 0x000000ff;
+	lbc->lsdmr = CFG_LBC_LSDMR_4;
+	asm("sync");
+	(unsigned int) * (ulong *)0 = 0x000000ff;
+	lbc->lsdmr = CFG_LBC_LSDMR_5;
+	asm("sync");
+	lbc->lsrt = CFG_LBC_LSRT;
+	asm("sync");
+	lbc->mrtpr = CFG_LBC_MRTPR;
+	asm("sync");
+#endif
+
+#if defined(CONFIG_DDR_ECC)
+	{
+		/* Initialize all of memory for ECC, then
+		 * enable errors */
+		uint *p = 0;
+		uint i = 0;
+		volatile immap_t *immap = (immap_t *)CFG_IMMR;
+		volatile ccsr_ddr_t *ddr= &immap->im_ddr;
+		dma_init();
+		for (*p = 0; p < (uint *)(8 * 1024); p++) {
+			if (((unsigned int)p & 0x1f) == 0) { dcbz(p); }
+			*p = (unsigned int)0xdeadbeef;
+			if (((unsigned int)p & 0x1c) == 0x1c) { dcbf(p); }
+		}
+
+		/* 8K */
+		dma_xfer((uint *)0x2000,0x2000,(uint *)0);
+		/* 16K */
+		dma_xfer((uint *)0x4000,0x4000,(uint *)0);
+		/* 32K */
+		dma_xfer((uint *)0x8000,0x8000,(uint *)0);
+		/* 64K */
+		dma_xfer((uint *)0x10000,0x10000,(uint *)0);
+		/* 128k */
+		dma_xfer((uint *)0x20000,0x20000,(uint *)0);
+		/* 256k */
+		dma_xfer((uint *)0x40000,0x40000,(uint *)0);
+		/* 512k */
+		dma_xfer((uint *)0x80000,0x80000,(uint *)0);
+		/* 1M */
+		dma_xfer((uint *)0x100000,0x100000,(uint *)0);
+		/* 2M */
+		dma_xfer((uint *)0x200000,0x200000,(uint *)0);
+		/* 4M */
+		dma_xfer((uint *)0x400000,0x400000,(uint *)0);
+
+		for (i = 1; i < dram_size / 0x800000; i++) {
+			dma_xfer((uint *)(0x800000*i),0x800000,(uint *)0);
+		}
+
+		/* Enable errors for ECC */
+		ddr->err_disable = 0x00000000;
+		asm("sync;isync;msync");
+	}
+#endif
+
+	return dram_size;
+}
+
+
+#if defined(CFG_DRAM_TEST)
+int testdram (void)
+{
+	uint *pstart = (uint *) CFG_MEMTEST_START;
+	uint *pend = (uint *) CFG_MEMTEST_END;
+	uint *p;
+
+	printf("SDRAM test phase 1:\n");
+	for (p = pstart; p < pend; p++)
+		*p = 0xaaaaaaaa;
+
+	for (p = pstart; p < pend; p++) {
+		if (*p != 0xaaaaaaaa) {
+			printf ("SDRAM test fails at: %08x\n", (uint) p);
+			return 1;
+		}
+	}
+
+	printf("SDRAM test phase 2:\n");
+	for (p = pstart; p < pend; p++)
+		*p = 0x55555555;
+
+	for (p = pstart; p < pend; p++) {
+		if (*p != 0x55555555) {
+			printf ("SDRAM test fails at: %08x\n", (uint) p);
+			return 1;
+		}
+	}
+
+	printf("SDRAM test passed.\n");
+	return 0;
+}
+#endif
+
+
+#if !defined(CONFIG_SPD_EEPROM)
+/*************************************************************************
+ *  fixed sdram init -- doesn't use serial presence detect.
+ ************************************************************************/
+long int fixed_sdram (void)
+{
+  #ifndef CFG_RAMBOOT
+	volatile immap_t *immap = (immap_t *)CFG_IMMR;
+	volatile ccsr_ddr_t *ddr= &immap->im_ddr;
+
+	ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
+	ddr->cs0_config = CFG_DDR_CS0_CONFIG;
+	ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
+	ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
+	ddr->sdram_mode = CFG_DDR_MODE;
+	ddr->sdram_interval = CFG_DDR_INTERVAL;
+    #if defined (CONFIG_DDR_ECC)
+	ddr->err_disable = 0x0000000D;
+	ddr->err_sbe = 0x00ff0000;
+    #endif
+	asm("sync;isync;msync");
+	udelay(500);
+    #if defined (CONFIG_DDR_ECC)
+	/* Enable ECC checking */
+	ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000);
+    #else
+	ddr->sdram_cfg = CFG_DDR_CONTROL;
+    #endif
+	asm("sync; isync; msync");
+	udelay(500);
+  #endif
+	return (CFG_SDRAM_SIZE * 1024 * 1024);
+}
+#endif	/* !defined(CONFIG_SPD_EEPROM) */
diff --git a/board/mpc8540ads/u-boot.lds b/board/mpc8540ads/u-boot.lds
new file mode 100644
index 0000000..56dd457
--- /dev/null
+++ b/board/mpc8540ads/u-boot.lds
@@ -0,0 +1,148 @@
+/*
+ * (C) Copyright 2002,2003, Motorola,Inc.
+ * Xianghua Xiao, X.Xiao@motorola.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+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/mpc85xx/start.o	(.bootpg)
+    board/mpc8540ads/init.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      :
+  {
+    cpu/mpc85xx/start.o	(.text)
+    board/mpc8540ads/init.o (.text)
+    cpu/mpc85xx/traps.o (.text)
+    cpu/mpc85xx/interrupts.o (.text)
+    cpu/mpc85xx/cpu_init.o (.text)
+    cpu/mpc85xx/cpu.o (.text)
+    cpu/mpc85xx/tsec.o (.text)
+    cpu/mpc85xx/speed.o (.text)
+    cpu/mpc85xx/pci.o (.text)
+    common/dlmalloc.o (.text)
+    lib_generic/crc32.o (.text)
+    lib_ppc/extable.o (.text)
+    lib_generic/zlib.o (.text)
+    *(.text)
+    *(.fixup)
+    *(.got1)
+   }
+    _etext = .;
+    PROVIDE (etext = .);
+    .rodata    :
+   {
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+  }
+  .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 = .);
+}