Add MCF5282 support (without preloader)

relocate ichache_State to ram
u-boot can run from internal flash
Add EB+MCF-EV123 board support.
Add m68k Boards to MAKEALL
Patch from Jens Scharsig, 08 Aug 2005

10 files changed, 1221 insertions, 0 deletions

diff --git a/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c b/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c
new file mode 100644
index 0000000000..f18313d516
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c
@@ -0,0 +1,162 @@
+/*
+ * (C) Copyright 2005
+ * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.de>
+ *
+ * (C) Copyright 2000-2003
+ * 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 <common.h>
+#include <command.h>
+#include "asm/m5282.h"
+#include "VCxK.h"
+
+int checkboard (void)
+{
+	puts ("Board: MCF-EV1 + MCF-EV23 (BuS Elektronik GmbH & Co. KG)\n");
+#if (TEXT_BASE ==  CFG_INT_FLASH_BASE)
+	puts ("       Boot from Internal FLASH\n");
+#endif
+
+	return 0;
+}
+
+long int initdram (int board_type)
+{
+	int size,i;
+
+	size = 0;
+	MCFSDRAMC_DCR =	MCFSDRAMC_DCR_RTIM_6
+			| MCFSDRAMC_DCR_RC((15 * CFG_CLK)>>4);
+	#ifdef CFG_SDRAM_BASE0
+
+		MCFSDRAMC_DACR0 =	MCFSDRAMC_DACR_BASE(CFG_SDRAM_BASE0)
+					| MCFSDRAMC_DACR_CASL(1)
+ 					| MCFSDRAMC_DACR_CBM(3)
+					| MCFSDRAMC_DACR_PS_16);
+
+		MCFSDRAMC_DMR0 =	MCFSDRAMC_DMR_BAM_16M
+					| MCFSDRAMC_DMR_V;
+
+		MCFSDRAMC_DACR0 |= 	MCFSDRAMC_DACR_IP;
+
+		*(unsigned short *)(CFG_SDRAM_BASE0) = 0xA5A5;
+		MCFSDRAMC_DACR0 |=	MCFSDRAMC_DACR_RE;
+		for (i=0; i < 2000; i++)
+			asm(" nop");
+		mbar_writeLong(MCFSDRAMC_DACR0, mbar_readLong(MCFSDRAMC_DACR0)
+								    | MCFSDRAMC_DACR_IMRS);
+		*(unsigned int *)(CFG_SDRAM_BASE0 + 0x220) = 0xA5A5;
+		size += CFG_SDRAM_SIZE * 1024 * 1024;
+	#endif
+	#ifdef CFG_SDRAM_BASE1
+		MCFSDRAMC_DACR1 =	MCFSDRAMC_DACR_BASE(CFG_SDRAM_BASE1)
+					| MCFSDRAMC_DACR_CASL(1)
+ 					| MCFSDRAMC_DACR_CBM(3)
+					| MCFSDRAMC_DACR_PS_16;
+
+		MCFSDRAMC_DMR1 = 	MCFSDRAMC_DMR_BAM_16M
+					| MCFSDRAMC_DMR_V;
+
+		MCFSDRAMC_DACR1 |=	MCFSDRAMC_DACR_IP;
+
+		*(unsigned short *)(CFG_SDRAM_BASE1) = 0xA5A5;
+		MCFSDRAMC_DACR1 |=	MCFSDRAMC_DACR_RE;
+		for (i=0; i < 2000; i++)
+			asm(" nop");
+		MCFSDRAMC_DACR1 |= 	MCFSDRAMC_DACR_IMRS;
+		*(unsigned int *)(CFG_SDRAM_BASE1 + 0x220) = 0xA5A5;
+		size += CFG_SDRAM_SIZE1 * 1024 * 1024;
+	#endif
+	return 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
+
+int misc_init_r(void)
+{
+	init_vcxk();
+	return 1;
+}
+
+/*---------------------------------------------------------------------------*/
+
+int do_vcimage (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	int rcode = 0;
+	ulong source;
+
+	switch (argc) {
+	case 2:
+		source = simple_strtoul(argv[1],NULL,16);
+		vcxk_loadimage(source);
+		rcode = 0;
+		break;
+	default:
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		rcode = 1;
+		break;
+	}
+	return rcode;
+}
+
+/***************************************************/
+
+U_BOOT_CMD(
+	vcimage,	2,	0,	do_vcimage,
+	"vcimage - loads an image to Display\n",
+	"vcimage addr\n"
+);
+
+/* EOF EB+MCF-EV123c */
diff --git a/board/BuS/EB+MCF-EV123/Makefile b/board/BuS/EB+MCF-EV123/Makefile
new file mode 100644
index 0000000000..d5dbc71484
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/Makefile
@@ -0,0 +1,40 @@
+#
+# (C) Copyright 2000-2003
+# 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	= $(BOARD).o cfm_flash.o flash.o VCxK.o 
+
+$(LIB):	.depend $(OBJS)
+	$(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/BuS/EB+MCF-EV123/VCxK.c b/board/BuS/EB+MCF-EV123/VCxK.c
new file mode 100644
index 0000000000..736c101ae5
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/VCxK.c
@@ -0,0 +1,136 @@
+/*
+ * (C) Copyright 2005 
+ * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.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/m5282.h>
+#include "VCxK.h"
+
+vu_char *vcxk_bws = (vu_char *)(CFG_CS3_BASE);
+#define VCXK_BWS vcxk_bws
+
+static ulong vcxk_driver;
+
+
+ulong search_vcxk_driver(void);
+void vcxk_cls(void);
+void vcxk_setbrightness(short brightness);
+int vcxk_request(void);
+int vcxk_acknowledge_wait(void);
+void vcxk_clear(void);
+
+int init_vcxk(void)
+{
+	VIDEO_Invert_CFG &= ~VIDEO_Invert_IO;
+	VIDEO_INVERT_PORT |= VIDEO_INVERT_PIN;
+	VIDEO_INVERT_DDR  |= VIDEO_INVERT_PIN;
+
+	VIDEO_REQUEST_PORT |= VIDEO_REQUEST_PIN;
+	VIDEO_REQUEST_DDR |= VIDEO_REQUEST_PIN;
+
+	VIDEO_ACKNOWLEDGE_DDR &= ~VIDEO_ACKNOWLEDGE_PIN;
+
+	vcxk_driver = search_vcxk_driver();
+	if (vcxk_driver)
+	{
+		/* use flash resist driver */
+	}
+	else
+	{
+		vcxk_cls();
+		vcxk_cls();
+		vcxk_setbrightness(1000);
+	}
+	VIDEO_ENABLE_DDR |= VIDEO_ENABLE_PIN;
+	VIDEO_ENABLE_PORT |= VIDEO_ENABLE_PIN;
+	VIDEO_ENABLE_PORT &= ~VIDEO_ENABLE_PIN;
+	return 1;
+}
+
+void 	vcxk_loadimage(ulong source)
+{
+	int cnt;
+	vcxk_acknowledge_wait();
+	for (cnt=0; cnt<16384; cnt++)
+	{
+		VCXK_BWS[cnt*2] = (*(vu_char*) source);
+		source++;
+	}
+	vcxk_request();
+}
+
+void vcxk_cls(void)
+{
+	vcxk_acknowledge_wait();
+	vcxk_clear();
+	vcxk_request();
+}
+
+void vcxk_clear(void)
+{
+	int cnt;
+	for (cnt=0; cnt<16384; cnt++)
+	{
+		VCXK_BWS[cnt*2] = 0x00;
+	}
+}
+
+void vcxk_setbrightness(short brightness)
+{
+	VCXK_BWS[0x8000]=(brightness >> 4) +2;
+	VCXK_BWS[0xC000]= (brightness + 23) >> 8;
+	VCXK_BWS[0xC001]= (brightness + 23) & 0xFF;
+}
+
+int vcxk_request(void)
+{
+	if (vcxk_driver)
+	{
+		/* use flash resist driver */
+	}
+	else
+	{
+		VIDEO_REQUEST_PORT &= ~VIDEO_REQUEST_PIN;
+		VIDEO_REQUEST_PORT |= VIDEO_REQUEST_PIN;
+	}
+	return 1;
+}
+
+int vcxk_acknowledge_wait(void)
+{
+	if (vcxk_driver)
+	{
+		/* use flash resist driver */
+	}
+	else
+	{
+		while (!(VIDEO_ACKNOWLEDGE_PORT & VIDEO_ACKNOWLEDGE_PIN));
+	}
+	return 1;
+}
+
+ulong search_vcxk_driver(void)
+{
+	return 0;
+}
+
+/* eof */
diff --git a/board/BuS/EB+MCF-EV123/VCxK.h b/board/BuS/EB+MCF-EV123/VCxK.h
new file mode 100644
index 0000000000..74467ba98a
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/VCxK.h
@@ -0,0 +1,48 @@
+/*
+ * (C) Copyright 2005
+ * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.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
+ */
+
+#ifndef __VCXK_H_
+#define __VCXK_H_
+
+extern int init_vcxk(void);
+void 	vcxk_loadimage(ulong source);
+
+#define VIDEO_ACKNOWLEDGE_PORT	MCFGPTB_GPTPORT
+#define VIDEO_ACKNOWLEDGE_DDR 	MCFGPTB_GPTDDR
+#define VIDEO_ACKNOWLEDGE_PIN	0x0001
+
+#define VIDEO_ENABLE_PORT    	MCFGPTB_GPTPORT
+#define VIDEO_ENABLE_DDR 	MCFGPTB_GPTDDR
+#define VIDEO_ENABLE_PIN	0x0002
+
+#define VIDEO_REQUEST_PORT   	MCFGPTB_GPTPORT
+#define VIDEO_REQUEST_DDR 	MCFGPTB_GPTDDR
+#define VIDEO_REQUEST_PIN	0x0004
+
+#define VIDEO_Invert_CFG	MCFGPIO_PEPAR
+#define VIDEO_Invert_IO		MCFGPIO_PEPAR_PEPA2
+#define VIDEO_INVERT_PORT   	MCFGPIO_PORTE
+#define VIDEO_INVERT_DDR 	MCFGPIO_DDRE
+#define VIDEO_INVERT_PIN	MCFGPIO_PORT2
+
+#endif
diff --git a/board/BuS/EB+MCF-EV123/cfm_flash.c b/board/BuS/EB+MCF-EV123/cfm_flash.c
new file mode 100644
index 0000000000..d5a1c30be5
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/cfm_flash.c
@@ -0,0 +1,212 @@
+/*
+ * Basic Flash Driver for Freescale MCF 5281/5282 internal FLASH
+ *
+ * (C) Copyright 2005 BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.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/m5282.h>
+#include  "cfm_flash.h"
+
+#if defined(CONFIG_M5281) || defined(CONFIG_M5282)
+
+#if (CFG_CLK>20000000)
+	#define CFM_CLK  (((long) CFG_CLK / (400000 * 8) + 1) | 0x40)
+#else
+	#define CFM_CLK  ((long) CFG_CLK / 400000 + 1)
+#endif
+
+#define cmf_backdoor_address(addr)	(((addr) & 0x0007FFFF) | 0x04000000 | \
+					 (CFG_MBAR & 0xC0000000))
+
+void cfm_flash_print_info (flash_info_t * info)
+{
+	printf ("Freescale: ");
+	switch (info->flash_id & FLASH_TYPEMASK) {
+	case FREESCALE_ID_MCF5281 & FLASH_TYPEMASK:
+		printf ("MCF5281 internal FLASH\n");
+		break;
+	case FREESCALE_ID_MCF5282 & FLASH_TYPEMASK:
+		printf ("MCF5282 internal FLASH\n");
+		break;
+	default:
+		printf ("Unknown Chip Type\n");
+		break;
+	}
+}
+
+void cfm_flash_init (flash_info_t * info)
+{
+	int sector;
+	ulong protection;
+	MCFCFM_MCR = 0;
+	MCFCFM_CLKD = CFM_CLK;
+	debug ("CFM Clock divider: %ld (%d Hz @ %ld Hz)\n",CFM_CLK,\
+	 	CFG_CLK / (2* ((CFM_CLK & 0x3F)+1) * (1+((CFM_CLK & 0x40)>>6)*7)),\
+		CFG_CLK);
+	MCFCFM_SACC = 0;
+	MCFCFM_DACC = 0;
+
+	if (MCFCFM_SEC & MCFCFM_SEC_KEYEN)
+		puts("CFM backdoor access is enabled\n");
+	if (MCFCFM_SEC & MCFCFM_SEC_SECSTAT)
+		puts("CFM securety is enabled\n");
+
+	#ifdef CONFIG_M5281
+		info->flash_id = (FREESCALE_MANUFACT & FLASH_VENDMASK) |
+				 (FREESCALE_ID_MCF5281 & FLASH_TYPEMASK);
+		info->size = 256*1024;
+		info->sector_count = 16;
+	#else
+		info->flash_id = (FREESCALE_MANUFACT & FLASH_VENDMASK) |
+				 (FREESCALE_ID_MCF5282 & FLASH_TYPEMASK);
+		info->size = 512*1024;
+		info->sector_count = 32;
+	#endif
+	protection = MCFCFM_PROT;
+	for (sector = 0; sector < info->sector_count; sector++)
+	{
+		if (sector == 0)
+		{
+			info->start[sector] = CFG_INT_FLASH_BASE;
+		}
+		else
+		{
+			info->start[sector] = info->start[sector-1] + 0x04000;
+		}
+		info->protect[sector] = protection & 1;
+		protection >>= 1;
+	}
+}
+
+int cfm_flash_readycheck(int checkblank)
+{
+	int	rc;
+	unsigned char state;
+
+	rc	= ERR_OK;
+	while (!(MCFCFM_USTAT & MCFCFM_USTAT_CCIF));
+	state = MCFCFM_USTAT;
+	if (state & MCFCFM_USTAT_ACCERR)
+	{
+		debug ("%s(): CFM access error",__FUNCTION__);
+		rc = ERR_PROG_ERROR;
+	}
+	if (state & MCFCFM_USTAT_PVIOL)
+	{
+		debug ("%s(): CFM protection violation",__FUNCTION__);
+		rc = ERR_PROTECTED;
+	}
+	if (checkblank)
+	{
+		if (!(state & MCFCFM_USTAT_BLANK))
+		{
+			debug ("%s(): CFM erras error",__FUNCTION__);
+			rc = ERR_NOT_ERASED;
+		}
+	}
+	MCFCFM_USTAT = state & 0x34; /* reset state */
+	return rc;
+}
+
+/* Erase 16KiB = 8 2KiB pages */
+
+int cfm_flash_erase_sector (flash_info_t * info, int sector)
+{
+	ulong address;
+	int page;
+	int rc;
+	rc= ERR_OK;
+	address = cmf_backdoor_address(info->start[sector]);
+	for (page=0; (page<8) && (rc==ERR_OK); page++)
+	{
+		*(volatile __u32*) address = 0;
+		MCFCFM_CMD = MCFCFM_CMD_PGERS;
+		MCFCFM_USTAT = MCFCFM_USTAT_CBEIF;
+		rc = cfm_flash_readycheck(0);
+		if (rc==ERR_OK)
+		{
+			*(volatile __u32*) address = 0;
+			MCFCFM_CMD = MCFCFM_CMD_PGERSVER;
+			MCFCFM_USTAT = MCFCFM_USTAT_CBEIF;
+			rc = cfm_flash_readycheck(1);
+		}
+		address += 0x800;
+	}
+	return rc;
+}
+
+int cfm_flash_write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+	int rc;
+	ulong dest, data;
+
+	rc = ERR_OK;
+	if (addr & 3)
+	{
+		debug ("Byte and Word alignment not supported\n");
+		rc = ERR_ALIGN;
+	}
+	if (cnt & 3)
+	{
+		debug ("Byte and Word transfer not supported\n");
+		rc = ERR_ALIGN;
+	}
+	dest = cmf_backdoor_address(addr);
+	while ((cnt>=4) && (rc == ERR_OK))
+	{
+		data =*((volatile u32 *) src);
+		*(volatile u32*) dest = data;
+		MCFCFM_CMD = MCFCFM_CMD_PGM;
+		MCFCFM_USTAT = MCFCFM_USTAT_CBEIF;
+		rc = cfm_flash_readycheck(0);
+		if (*(volatile u32*) addr != data) rc = ERR_PROG_ERROR;
+		src +=4;
+		dest +=4;
+		addr +=4;
+		cnt -=4;
+	}
+	return rc;
+}
+
+#ifdef CFG_FLASH_PROTECTION
+
+int cfm_flash_protect(flash_info_t * info,long sector,int prot)
+{
+	int rc;
+
+	rc= ERR_OK;
+	if (prot)
+	{
+		MCFCFM_PROT |= (1<<sector);
+		info->protect[sector]=1;
+	}
+	else
+	{
+		MCFCFM_PROT &= ~(1<<sector);
+		info->protect[sector]=0;
+	}
+	return rc;
+}
+
+#endif
+
+#endif
diff --git a/board/BuS/EB+MCF-EV123/cfm_flash.h b/board/BuS/EB+MCF-EV123/cfm_flash.h
new file mode 100644
index 0000000000..cc8cdbd1eb
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/cfm_flash.h
@@ -0,0 +1,40 @@
+/*
+ * Basic Flash Driver for Freescale MCF 5282 internal FLASH
+ *
+ * (C) Copyright 2005 BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.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
+ */
+
+#ifndef __CFM_FLASH_H_
+#define __CFM_FLASH_H_
+
+#define	FREESCALE_MANUFACT 0xFACFFACF
+#define	FREESCALE_ID_MCF5281 0x5281
+#define	FREESCALE_ID_MCF5282 0x5282
+
+extern void cfm_flash_print_info (flash_info_t * info);
+extern int cfm_flash_erase_sector (flash_info_t * info, int sector);
+extern void cfm_flash_init (flash_info_t * info);
+extern int cfm_flash_write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt);
+#ifdef CFG_FLASH_PROTECTION
+extern int cfm_flash_protect(flash_info_t * info,long sector,int prot);
+#endif
+
+#endif
diff --git a/board/BuS/EB+MCF-EV123/config.mk b/board/BuS/EB+MCF-EV123/config.mk
new file mode 100644
index 0000000000..9fe2fc5dae
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/config.mk
@@ -0,0 +1,28 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.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
+#
+
+sinclude $(TOPDIR)/board/$(BOARDDIR)/textbase.mk
+ifndef TEXT_BASE
+TEXT_BASE = 0xFE000000
+endif
diff --git a/board/BuS/EB+MCF-EV123/flash.c b/board/BuS/EB+MCF-EV123/flash.c
new file mode 100644
index 0000000000..a5d621c44a
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/flash.c
@@ -0,0 +1,413 @@
+/*
+ * (C) Copyright 2005 
+ * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.de>
+ * 
+ * Based On
+ * 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 <common.h>
+#include  "cfm_flash.h"
+
+#define PHYS_FLASH_1 CFG_FLASH_BASE
+#define FLASH_BANK_SIZE 0x200000
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+void flash_print_info (flash_info_t * info)
+{
+	int i;
+
+	switch (info->flash_id & FLASH_VENDMASK) {
+	case (AMD_MANUFACT & FLASH_VENDMASK):
+		printf ("AMD: ");
+		switch (info->flash_id & FLASH_TYPEMASK) {
+		case (AMD_ID_LV160B & FLASH_TYPEMASK):
+			printf ("AM29LV160B (16Bit)\n");
+			break;
+		default:
+			printf ("Unknown Chip Type\n");
+			break;
+		}
+		break;
+	case FREESCALE_MANUFACT & FLASH_VENDMASK:
+		cfm_flash_print_info (info);
+		break;
+	default:
+		printf ("Unknown Vendor ");
+		break;
+	}
+
+	puts ("  Size: ");
+	if ((info->size >> 20) > 0)
+	{
+		printf ("%ld MiB",info->size >> 20);
+	}
+	else
+	{
+		printf ("%ld KiB",info->size >> 10);
+	}
+	printf (" in %d Sectors\n", info->sector_count);
+
+	printf ("  Sector Start Addresses:");
+	for (i = 0; i < info->sector_count; i++) {
+		if ((i % 4) == 0) {
+			printf ("\n    ");
+		}
+		printf ("%02d: %08lX%s  ", i,info->start[i],
+			info->protect[i] ? " P" : "  ");
+	}
+	printf ("\n\n");
+}
+
+unsigned long flash_init (void)
+{
+	int i, j;
+	ulong size = 0;
+
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+		ulong flashbase = 0;
+
+		switch (i)
+		{
+		case 1:
+			flash_info[i].flash_id =
+				(AMD_MANUFACT & FLASH_VENDMASK) |
+				(AMD_ID_LV160B & FLASH_TYPEMASK);
+			flash_info[i].size = FLASH_BANK_SIZE;
+			flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
+			memset (flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
+			flashbase = PHYS_FLASH_1;
+			for (j = 0; j < flash_info[i].sector_count; j++) {
+				if (j == 0) {
+					/* 1st is 16 KiB */
+					flash_info[i].start[j] = flashbase;
+				}
+				if ((j >= 1) && (j <= 2)) {
+				/* 2nd and 3rd are 8 KiB */
+					flash_info[i].start[j] =
+						flashbase + 0x4000 + 0x2000 * (j - 1);
+				}
+				if (j == 3) {
+					/* 4th is 32 KiB */
+					flash_info[i].start[j] = flashbase + 0x8000;
+				}
+				if ((j >= 4) && (j <= 34)) {
+					/* rest is 256 KiB */
+					flash_info[i].start[j] =
+						flashbase + 0x10000 + 0x10000 * (j - 4);
+				}
+			}
+			break;
+		case 0:
+			cfm_flash_init (&flash_info[i]);
+			break;
+		default:
+			panic ("configured to many flash banks!\n");
+		}
+
+		size += flash_info[i].size;
+	}
+
+	flash_protect (FLAG_PROTECT_SET,
+		       CFG_FLASH_BASE,
+		       CFG_FLASH_BASE + 0xffff, &flash_info[0]);
+
+	return size;
+}
+
+#define CMD_READ_ARRAY		0x00F0
+#define CMD_UNLOCK1		0x00AA
+#define CMD_UNLOCK2		0x0055
+#define CMD_ERASE_SETUP		0x0080
+#define CMD_ERASE_CONFIRM	0x0030
+#define CMD_PROGRAM		0x00A0
+#define CMD_UNLOCK_BYPASS	0x0020
+
+#define MEM_FLASH_ADDR1		(*(volatile u16 *)(info->start[0] + (0x00000555<<1)))
+#define MEM_FLASH_ADDR2		(*(volatile u16 *)(info->start[0] + (0x000002AA<<1)))
+
+
+#define BIT_ERASE_DONE		0x0080
+#define BIT_RDY_MASK		0x0080
+#define BIT_PROGRAM_ERROR	0x0020
+#define BIT_TIMEOUT		0x80000000	/* our flag */
+
+#define ERR_READY -1
+
+int amd_flash_erase_sector(flash_info_t * info, int sector)
+{
+	int state;
+	ulong result;
+
+	volatile u16 *addr =
+				(volatile u16 *) (info->start[sector]);
+
+	MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+	MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+	MEM_FLASH_ADDR1 = CMD_ERASE_SETUP;
+
+	MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+	MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+	*addr = CMD_ERASE_CONFIRM;
+
+	/* wait until flash is ready */
+	state = 0;
+	set_timer (0);
+
+	do {
+		result = *addr;
+
+		/* check timeout */
+		if (get_timer (0) > CFG_FLASH_ERASE_TOUT) {
+			MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+			state = ERR_TIMOUT;
+		}
+
+		if (!state && (result & 0xFFFF) & BIT_ERASE_DONE)
+			state = ERR_READY;
+	}
+	while (!state);
+	if (state == ERR_READY)
+		state = ERR_OK;
+
+	MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+
+	return state;
+}
+
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+	int iflag, cflag;
+	int sector;
+	int rc;
+
+	rc = ERR_OK;
+
+	if (info->flash_id == FLASH_UNKNOWN)
+	{
+		rc = ERR_UNKNOWN_FLASH_TYPE;
+	} /* (info->flash_id == FLASH_UNKNOWN) */
+
+	if ((s_first < 0) || (s_first > s_last) || s_last >= info->sector_count)
+	{
+		rc = ERR_INVAL;
+	}
+
+	cflag = icache_status ();
+	icache_disable ();
+	iflag = disable_interrupts ();
+
+	for (sector = s_first; (sector <= s_last) && (rc == ERR_OK); sector++) {
+
+		if (info->protect[sector])
+		{
+			putc('P'); /*  protected sector will not erase */
+		}
+		else
+		{
+			/* erase on unprotected sector */
+			puts("E\b");
+			switch (info->flash_id & FLASH_VENDMASK)
+			{
+			case (AMD_MANUFACT & FLASH_VENDMASK):
+				rc = amd_flash_erase_sector(info,sector);
+				break;
+			case (FREESCALE_MANUFACT & FLASH_VENDMASK):
+				rc = cfm_flash_erase_sector(info,sector);
+				break;
+			default:
+				return ERR_UNKNOWN_FLASH_VENDOR;
+			}
+			putc('.');
+		}
+	}
+	if (rc!=ERR_OK)
+	{
+		printf ("\n   ");
+		flash_perror (rc);
+	}
+	else
+	{
+		printf (" done\n");
+	}
+
+	udelay (10000);	/* allow flash to settle - wait 10 ms */
+
+	if (iflag)
+		enable_interrupts ();
+
+	if (cflag)
+  		icache_enable ();
+
+	return rc;
+}
+
+volatile static int amd_write_word (flash_info_t * info, ulong dest, u16 data)
+{
+	volatile u16 *addr;
+	ulong result;
+	int cflag, iflag;
+	int state;
+
+	/*
+	 * Check if Flash is (sufficiently) erased
+	 */
+	addr = (volatile u16 *) dest;
+
+	result = *addr;
+	if ((result & data) != data)
+		return ERR_NOT_ERASED;
+
+	/*
+	 * Disable interrupts which might cause a timeout
+	 * here. Remember that our exception vectors are
+	 * at address 0 in the flash, and we don't want a
+	 * (ticker) exception to happen while the flash
+	 * chip is in programming mode.
+	 */
+
+	cflag = icache_status ();
+	icache_disable ();
+	iflag = disable_interrupts ();
+
+	MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+	MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+	MEM_FLASH_ADDR1 = CMD_PROGRAM;
+	*addr = data;
+
+	/* arm simple, non interrupt dependent timer */
+	set_timer (0);
+
+	/* wait until flash is ready */
+	state = 0;
+	do {
+		result = *addr;
+
+		/* check timeout */
+		if (get_timer (0) > CFG_FLASH_ERASE_TOUT) {
+				state = ERR_TIMOUT;
+		}
+		if (!state && ((result & BIT_RDY_MASK) == (data & BIT_RDY_MASK)))
+			state = ERR_READY;
+
+	} while (!state);
+
+	*addr = CMD_READ_ARRAY;
+
+	if (state == ERR_READY)
+		state = ERR_OK;
+	if ((*addr != data) && (state != ERR_TIMOUT))
+		state = ERR_PROG_ERROR;
+
+	if (iflag)
+		enable_interrupts ();
+
+	if (cflag)
+		icache_enable ();
+
+	return state;
+}
+
+int amd_flash_write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+	int rc;
+	ulong dest;
+	u16 data;
+
+	rc = ERR_OK;
+	if (addr & 1)
+	{
+		debug ("Byte alignment not supported\n");
+		rc = ERR_ALIGN;
+	}
+	if (cnt & 1)
+	{
+		debug ("Byte transfer not supported\n");
+		rc = ERR_ALIGN;
+	}
+
+	dest = addr;
+	while ((cnt>=2) && (rc == ERR_OK))
+	{
+		data =*((volatile u16 *) src);
+		rc=amd_write_word (info,dest,data);
+		src +=2;
+		dest +=2;
+		cnt -=2;
+	}
+	return rc;
+}
+
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+	int rc;
+
+	switch (info->flash_id & FLASH_VENDMASK)
+	{
+		case (AMD_MANUFACT & FLASH_VENDMASK):
+			rc = amd_flash_write_buff(info,src,addr,cnt);
+			break;
+		case (FREESCALE_MANUFACT & FLASH_VENDMASK):
+			rc = cfm_flash_write_buff(info,src,addr,cnt);
+			break;
+		default:
+			rc = ERR_UNKNOWN_FLASH_VENDOR;
+	}
+	return rc;
+
+}
+int amd_flash_protect(flash_info_t * info,long sector,int prot)
+{
+	int rc;
+	rc= ERR_OK;
+	if (prot)
+	{
+		info->protect[sector]=1;
+	}
+	else
+	{
+		info->protect[sector]=0;
+	}
+	return rc;
+}
+
+#ifdef CFG_FLASH_PROTECTION
+
+int flash_real_protect(flash_info_t * info,long sector,int prot)
+{
+	int rc;
+
+	switch (info->flash_id & FLASH_VENDMASK)
+	{
+		case (AMD_MANUFACT & FLASH_VENDMASK):
+			rc = amd_flash_protect(info,sector,prot);
+			break;
+		case (FREESCALE_MANUFACT & FLASH_VENDMASK):
+			rc = cfm_flash_protect(info,sector,prot);
+			break;
+		default:
+			rc = ERR_UNKNOWN_FLASH_VENDOR;
+	}
+	return rc;
+}
+
+#endif
diff --git a/board/BuS/EB+MCF-EV123/textbase.mk b/board/BuS/EB+MCF-EV123/textbase.mk
new file mode 100644
index 0000000000..10106f4585
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/textbase.mk
@@ -0,0 +1 @@
+TEXT_BASE = 0xF0000000
diff --git a/board/BuS/EB+MCF-EV123/u-boot.lds b/board/BuS/EB+MCF-EV123/u-boot.lds
new file mode 100644
index 0000000000..d790018d2d
--- /dev/null
+++ b/board/BuS/EB+MCF-EV123/u-boot.lds
@@ -0,0 +1,141 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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(m68k)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib);
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+SECTIONS
+{
+  /* 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/mcf52x2/start.o	(.text)
+    common/dlmalloc.o	(.text)
+    lib_generic/string.o	(.text)
+    lib_generic/vsprintf.o	(.text)
+    lib_generic/crc32.o	(.text)
+    lib_generic/zlib.o	(.text)
+
+/*    . = env_offset; */
+    common/environment.o(.text)
+
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x00FF) & 0xFFFFFF00;
+  _erotext = .;
+  PROVIDE (erotext = .);
+    .reloc   :
+  {
+    __got_start = .;
+    *(.got)
+    __got_end = .;
+    _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 = .;
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+   . = ALIGN(4);
+   _ebss = .;
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}