Add esd cpci5200 and pf5200 boards

Patch by Reinhard Arlt, 22 Aug 2005

6 files changed, 1087 insertions, 0 deletions

diff --git a/board/esd/pf5200/Makefile b/board/esd/pf5200/Makefile
new file mode 100644
index 0000000..603bbe2
--- /dev/null
+++ b/board/esd/pf5200/Makefile
@@ -0,0 +1,53 @@
+
+#
+# (C) Copyright 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
+
+# Objects for Xilinx JTAG programming (CPLD)
+# CPLD  = ../common/xilinx_jtag/lenval.o \
+# 	  ../common/xilinx_jtag/micro.o \
+# 	  ../common/xilinx_jtag/ports.o
+
+# OBJS	= $(BOARD).o flash.o $(CPLD)
+OBJS	= $(BOARD).o flash.o
+
+$(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 $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+-include .depend
+
+#########################################################################
diff --git a/board/esd/pf5200/config.mk b/board/esd/pf5200/config.mk
new file mode 100644
index 0000000..07b5de1
--- /dev/null
+++ b/board/esd/pf5200/config.mk
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 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
+#
+
+#
+# IceCube board:
+#
+#	Valid values for TEXT_BASE are:
+#
+#	0xFFF00000   boot high (standard configuration)
+#	0xFF000000   boot low for 16 MiB boards
+#	0xFF800000   boot low for  8 MiB boards
+#	0x00100000   boot from RAM (for testing only)
+#
+
+sinclude $(TOPDIR)/board/$(BOARDDIR)/config.tmp
+
+ifndef TEXT_BASE
+## Standard: boot high
+TEXT_BASE = 0xFFF00000
+## For testing: boot from RAM
+# TEXT_BASE = 0x00100000
+endif
+
+PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board
diff --git a/board/esd/pf5200/flash.c b/board/esd/pf5200/flash.c
new file mode 100644
index 0000000..bfbd090
--- /dev/null
+++ b/board/esd/pf5200/flash.c
@@ -0,0 +1,461 @@
+/*
+ * (C) Copyright 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>
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];	/* info for FLASH chips */
+
+typedef unsigned short FLASH_PORT_WIDTH;
+typedef volatile unsigned short FLASH_PORT_WIDTHV;
+
+#define FLASH_ID_MASK           0x00FF
+
+#define FPW                     FLASH_PORT_WIDTH
+#define FPWV                    FLASH_PORT_WIDTHV
+
+#define FLASH_CYCLE1            0x0555
+#define FLASH_CYCLE2            0x0aaa
+#define FLASH_ID1               0x00
+#define FLASH_ID2               0x01
+#define FLASH_ID3               0x0E
+#define FLASH_ID4               0x0F
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size(FPWV * addr, flash_info_t * info);
+static void flash_reset(flash_info_t * info);
+static int write_word_amd(flash_info_t * info, FPWV * dest, FPW data);
+static flash_info_t *flash_get_info(ulong base);
+
+/*-----------------------------------------------------------------------
+ * flash_init()
+ *
+ * sets up flash_info and returns size of FLASH (bytes)
+ */
+unsigned long flash_init(void)
+{
+	unsigned long size = 0;
+	int i = 0;
+	extern void flash_preinit(void);
+	extern void flash_afterinit(uint, ulong, ulong);
+
+	ulong flashbase = CFG_FLASH_BASE;
+
+	flash_preinit();
+
+	/* There is only ONE FLASH device */
+	memset(&flash_info[i], 0, sizeof(flash_info_t));
+	flash_info[i].size = flash_get_size((FPW *) flashbase, &flash_info[i]);
+	size += flash_info[i].size;
+
+#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_get_info(CFG_MONITOR_BASE));
+#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_SIZE - 1,
+		      flash_get_info(CFG_ENV_ADDR));
+#endif
+
+	flash_afterinit(i, flash_info[i].start[0], flash_info[i].size);
+	return size ? size : 1;
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_reset(flash_info_t * info) {
+	FPWV *base = (FPWV *) (info->start[0]);
+
+	/* Put FLASH back in read mode */
+	if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
+		*base = (FPW) 0x00FF00FF;	/* Intel Read Mode */
+	} else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD) {
+		*base = (FPW) 0x00F000F0;	/* AMD Read Mode */
+	}
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+static flash_info_t *flash_get_info(ulong base) {
+	int i;
+	flash_info_t *info;
+
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+		info = &flash_info[i];
+		if ((info->size) && (info->start[0] <= base)
+		    && (base <= info->start[0] + info->size - 1)) {
+			break;
+		}
+	}
+	return (i == CFG_MAX_FLASH_BANKS ? 0 : info);
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+void flash_print_info(flash_info_t * info) {
+	int i;
+	uchar *fmt;
+
+	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;
+	default:
+		printf("Unknown Vendor ");
+		break;
+	}
+
+	switch (info->flash_id & FLASH_TYPEMASK) {
+	case FLASH_AMLV256U:
+		fmt = "29LV256M (256 Mbit)\n";
+		break;
+	default:
+		fmt = "Unknown Chip Type\n";
+		break;
+	}
+
+	printf(fmt);
+	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) {
+		ulong size;
+		int erased;
+		ulong *flash = (unsigned long *)info->start[i];
+
+		if ((i % 5) == 0) {
+			printf("\n   ");
+		}
+
+		/*
+		 * Check if whole sector is erased
+		 */
+		size =
+		    (i !=
+		     (info->sector_count - 1)) ? (info->start[i + 1] -
+						  info->start[i]) >> 2 : (info->
+									  start
+									  [0] +
+									  info->
+									  size -
+									  info->
+									  start
+									  [i])
+		    >> 2;
+
+		for (flash = (unsigned long *)info->start[i], erased = 1;
+		     (flash != (unsigned long *)info->start[i] + size)
+		     && erased; flash++) {
+			erased = *flash == ~0x0UL;
+		}
+		printf(" %08lX %s %s", info->start[i], erased ? "E" : " ",
+		       info->protect[i] ? "(RO)" : "    ");
+	}
+
+	printf("\n");
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+
+ulong flash_get_size(FPWV * addr, flash_info_t * info) {
+	int i;
+
+	/* Write auto select command: read Manufacturer ID                     */
+	/* Write auto select command sequence and test FLASH answer            */
+	addr[FLASH_CYCLE1] = (FPW) 0x00AA00AA;	/* for AMD, Intel ignores this */
+	addr[FLASH_CYCLE2] = (FPW) 0x00550055;	/* for AMD, Intel ignores this */
+	addr[FLASH_CYCLE1] = (FPW) 0x00900090;	/* selects Intel or AMD        */
+
+	/* The manufacturer codes are only 1 byte, so just use 1 byte.         */
+	/* This works for any bus width and any FLASH device width.            */
+	udelay(100);
+	switch (addr[FLASH_ID1] & 0x00ff) {
+	case (uchar) AMD_MANUFACT:
+		info->flash_id = FLASH_MAN_AMD;
+		break;
+	default:
+		printf("unknown vendor=%x ", addr[FLASH_ID1] & 0xff);
+		info->flash_id = FLASH_UNKNOWN;
+		info->sector_count = 0;
+		info->size = 0;
+		break;
+	}
+
+	/* Check 16 bits or 32 bits of ID so work on 32 or 16 bit bus.     */
+	if (info->flash_id != FLASH_UNKNOWN) {
+		switch ((FPW) addr[FLASH_ID2]) {
+		case (FPW) AMD_ID_MIRROR:
+			/* MIRROR BIT FLASH, read more ID bytes */
+			if ((FPW) addr[FLASH_ID3] == (FPW) AMD_ID_LV256U_2
+			    && (FPW) addr[FLASH_ID4] == (FPW) AMD_ID_LV256U_3) {
+				/* attention: only the first 16 MB will be used in u-boot */
+				info->flash_id += FLASH_AMLV256U;
+				info->sector_count = 512;
+				info->size = 0x02000000;
+				for (i = 0; i < info->sector_count; i++) {
+					info->start[i] =
+					    (ulong) addr + 0x10000 * i;
+				}
+				break;
+			}
+			/* fall thru to here ! */
+		default:
+			printf("unknown AMD device=%x %x %x",
+			       (FPW) addr[FLASH_ID2], (FPW) addr[FLASH_ID3],
+			       (FPW) addr[FLASH_ID4]);
+			info->flash_id = FLASH_UNKNOWN;
+			info->sector_count = 0;
+			info->size = 0x800000;
+			break;
+		}
+
+		/* Put FLASH back in read mode */
+		flash_reset(info);
+	}
+	return (info->size);
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase(flash_info_t * info, int s_first, int s_last) {
+	FPWV *addr;
+	int flag, prot, sect;
+	int intel = (info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL;
+	ulong start, now, last;
+	int rcode = 0;
+
+	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;
+	}
+
+	switch (info->flash_id & FLASH_TYPEMASK) {
+	case FLASH_AMLV256U:
+		break;
+	case FLASH_UNKNOWN:
+	default:
+		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");
+	}
+
+	last = get_timer(0);
+
+	/* Start erase on unprotected sectors */
+	for (sect = s_first; sect <= s_last && rcode == 0; sect++) {
+		if (info->protect[sect] != 0) {	/* protected, skip it */
+			continue;
+		}
+		/* Disable interrupts which might cause a timeout here */
+		flag = disable_interrupts();
+
+		addr = (FPWV *) (info->start[sect]);
+		if (intel) {
+			*addr = (FPW) 0x00500050;	/* clear status register */
+			*addr = (FPW) 0x00200020;	/* erase setup */
+			*addr = (FPW) 0x00D000D0;	/* erase confirm */
+		} else {
+			/* must be AMD style if not Intel */
+			FPWV *base;	/* first address in bank */
+
+			base = (FPWV *) (info->start[0]);
+			base[FLASH_CYCLE1] = (FPW) 0x00AA00AA;	/* unlock */
+			base[FLASH_CYCLE2] = (FPW) 0x00550055;	/* unlock */
+			base[FLASH_CYCLE1] = (FPW) 0x00800080;	/* erase mode */
+			base[FLASH_CYCLE1] = (FPW) 0x00AA00AA;	/* unlock */
+			base[FLASH_CYCLE2] = (FPW) 0x00550055;	/* unlock */
+			*addr = (FPW) 0x00300030;	/* erase sector */
+		}
+
+		/* re-enable interrupts if necessary */
+		if (flag) {
+			enable_interrupts();
+		}
+		start = get_timer(0);
+
+		/* wait at least 50us for AMD, 80us for Intel. */
+		/* Let's wait 1 ms.                            */
+		udelay(1000);
+
+		while ((*addr & (FPW) 0x00800080) != (FPW) 0x00800080) {
+			if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+				printf("Timeout\n");
+				if (intel) {
+					/* suspend erase        */
+					*addr = (FPW) 0x00B000B0;
+				}
+				flash_reset(info);	/* reset to read mode */
+				rcode = 1;	/* failed */
+				break;
+			}
+			/* show that we're waiting */
+			if ((get_timer(last)) > CFG_HZ) {
+				/* every second */
+				putc('.');
+				last = get_timer(0);
+			}
+		}
+		/* show that we're waiting */
+		if ((get_timer(last)) > CFG_HZ) {
+			/* every second */
+			putc('.');
+			last = get_timer(0);
+		}
+		flash_reset(info);	/* reset to read mode */
+	}
+	printf(" done\n");
+	return (rcode);
+}
+
+/*-----------------------------------------------------------------------
+ * 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)
+{
+	FPW data = 0;		/* 16 or 32 bit word, matches flash bus width on MPC8XX */
+	int bytes;		/* number of bytes to program in current word         */
+	int left;		/* number of bytes left to program                    */
+	int i, res;
+
+	for (left = cnt, res = 0;
+	     left > 0 && res == 0;
+	     addr += sizeof(data), left -= sizeof(data) - bytes) {
+
+		bytes = addr & (sizeof(data) - 1);
+		addr &= ~(sizeof(data) - 1);
+
+		/* combine source and destination data so can program
+		 * an entire word of 16 or 32 bits
+		 */
+		for (i = 0; i < sizeof(data); i++) {
+			data <<= 8;
+			if (i < bytes || i - bytes >= left)
+				data += *((uchar *) addr + i);
+			else
+				data += *src++;
+		}
+
+		/* write one word to the flash */
+		switch (info->flash_id & FLASH_VENDMASK) {
+		case FLASH_MAN_AMD:
+			res = write_word_amd(info, (FPWV *) addr, data);
+			break;
+		default:
+			/* unknown flash type, error! */
+			printf("missing or unknown FLASH type\n");
+			res = 1;	/* not really a timeout, but gives error */
+			break;
+		}
+	}
+	return (res);
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash for AMD FLASH
+ * A word is 16 or 32 bits, whichever the bus width of the flash bank
+ * (not an individual chip) is.
+ *
+ * returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word_amd(flash_info_t * info, FPWV * dest, FPW data) {
+	ulong start;
+	int flag;
+	int res = 0;		/* result, assume success       */
+	FPWV *base;		/* first address in flash bank  */
+
+	/* Check if Flash is (sufficiently) erased */
+	if ((*dest & data) != data) {
+		return (2);
+	}
+
+	base = (FPWV *) (info->start[0]);
+
+	/* Disable interrupts which might cause a timeout here */
+	flag = disable_interrupts();
+
+	base[FLASH_CYCLE1] = (FPW) 0x00AA00AA;	/* unlock */
+	base[FLASH_CYCLE2] = (FPW) 0x00550055;	/* unlock */
+	base[FLASH_CYCLE1] = (FPW) 0x00A000A0;	/* selects program mode */
+
+	*dest = data;		/* start programming the data   */
+
+	/* re-enable interrupts if necessary */
+	if (flag) {
+		enable_interrupts();
+	}
+	start = get_timer(0);
+
+	/* data polling for D7 */
+	while (res == 0
+	       && (*dest & (FPW) 0x00800080) != (data & (FPW) 0x00800080)) {
+		if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+			*dest = (FPW) 0x00F000F0;	/* reset bank */
+			res = 1;
+		}
+	}
+	return (res);
+}
diff --git a/board/esd/pf5200/mt46v16m16-75.h b/board/esd/pf5200/mt46v16m16-75.h
new file mode 100644
index 0000000..22d0a55
--- /dev/null
+++ b/board/esd/pf5200/mt46v16m16-75.h
@@ -0,0 +1,37 @@
+/*
+ * (C) Copyright 2004
+ * Mark Jonas, Freescale Semiconductor, mark.jonas@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
+ */
+
+#define SDRAM_DDR	1	/* is DDR */
+
+#if defined(CONFIG_MPC5200)
+/* Settings for XLB = 132 MHz */
+#define SDRAM_MODE	0x018D0000
+#define SDRAM_EMODE	0x40090000
+#define SDRAM_CONTROL	0x705f0f00
+#define SDRAM_CONFIG1	0x73722930
+#define SDRAM_CONFIG2	0x47770000
+#define SDRAM_TAPDELAY	0x10000000
+
+#else
+#error CONFIG_MPC5200 not defined
+#endif
diff --git a/board/esd/pf5200/pf5200.c b/board/esd/pf5200/pf5200.c
new file mode 100644
index 0000000..fa71c79
--- /dev/null
+++ b/board/esd/pf5200/pf5200.c
@@ -0,0 +1,370 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004
+ * Mark Jonas, Freescale Semiconductor, mark.jonas@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
+ */
+
+/*
+ * pf5200.c - main board support/init for the esd pf5200.
+ */
+
+#include <common.h>
+#include <mpc5xxx.h>
+#include <pci.h>
+#include <command.h>
+
+#include "mt46v16m16-75.h"
+
+void init_power_switch(void);
+
+static void sdram_start(int hi_addr)
+{
+	long hi_addr_bit = hi_addr ? 0x01000000 : 0;
+
+	/* unlock mode register */
+	*(vu_long *) MPC5XXX_SDRAM_CTRL =
+	    SDRAM_CONTROL | 0x80000000 | hi_addr_bit;
+	__asm__ volatile ("sync");
+
+	/* precharge all banks */
+	*(vu_long *) MPC5XXX_SDRAM_CTRL =
+	    SDRAM_CONTROL | 0x80000002 | hi_addr_bit;
+	__asm__ volatile ("sync");
+
+	/* set mode register: extended mode */
+	*(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_EMODE;
+	__asm__ volatile ("sync");
+
+	/* set mode register: reset DLL */
+	*(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000;
+	__asm__ volatile ("sync");
+
+	/* precharge all banks */
+	*(vu_long *) MPC5XXX_SDRAM_CTRL =
+	    SDRAM_CONTROL | 0x80000002 | hi_addr_bit;
+	__asm__ volatile ("sync");
+
+	/* auto refresh */
+	*(vu_long *) MPC5XXX_SDRAM_CTRL =
+	    SDRAM_CONTROL | 0x80000004 | hi_addr_bit;
+	__asm__ volatile ("sync");
+
+	/* set mode register */
+	*(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_MODE;
+	__asm__ volatile ("sync");
+
+	/* normal operation */
+	*(vu_long *) MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit;
+	__asm__ volatile ("sync");
+}
+
+/*
+ * ATTENTION: Although partially referenced initdram does NOT make real use
+ *            use of CFG_SDRAM_BASE. The code does not work if CFG_SDRAM_BASE
+ *            is something else than 0x00000000.
+ */
+
+long int initdram(int board_type)
+{
+	ulong dramsize = 0;
+	ulong test1, test2;
+
+	/* setup SDRAM chip selects */
+	*(vu_long *) MPC5XXX_SDRAM_CS0CFG = 0x0000001e;	/* 2G at 0x0 */
+	*(vu_long *) MPC5XXX_SDRAM_CS1CFG = 0x80000000;	/* disabled */
+	__asm__ volatile ("sync");
+
+	/* setup config registers */
+	*(vu_long *) MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1;
+	*(vu_long *) MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2;
+	__asm__ volatile ("sync");
+
+	/* set tap delay */
+	*(vu_long *) MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY;
+	__asm__ volatile ("sync");
+
+	/* find RAM size using SDRAM CS0 only */
+	sdram_start(0);
+	test1 = get_ram_size((ulong *) CFG_SDRAM_BASE, 0x80000000);
+	sdram_start(1);
+	test2 = get_ram_size((ulong *) CFG_SDRAM_BASE, 0x80000000);
+
+	if (test1 > test2) {
+		sdram_start(0);
+		dramsize = test1;
+	} else {
+		dramsize = test2;
+	}
+
+	/* memory smaller than 1MB is impossible */
+	if (dramsize < (1 << 20)) {
+		dramsize = 0;
+	}
+
+	/* set SDRAM CS0 size according to the amount of RAM found */
+	if (dramsize > 0) {
+		*(vu_long *) MPC5XXX_SDRAM_CS0CFG =
+		    0x13 + __builtin_ffs(dramsize >> 20) - 1;
+		/* let SDRAM CS1 start right after CS0 */
+		*(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e;	/* 2G */
+	} else {
+#if 0
+		*(vu_long *) MPC5XXX_SDRAM_CS0CFG = 0;	/* disabled */
+		/* let SDRAM CS1 start right after CS0 */
+		*(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e;	/* 2G */
+#else
+		*(vu_long *) MPC5XXX_SDRAM_CS0CFG =
+		    0x13 + __builtin_ffs(0x08000000 >> 20) - 1;
+		/* let SDRAM CS1 start right after CS0 */
+		*(vu_long *) MPC5XXX_SDRAM_CS1CFG = 0x08000000 + 0x0000001e;	/* 2G */
+#endif
+	}
+
+#if 0
+	/* find RAM size using SDRAM CS1 only */
+	sdram_start(0);
+	get_ram_size((ulong *) (CFG_SDRAM_BASE + dramsize), 0x80000000);
+	sdram_start(1);
+	get_ram_size((ulong *) (CFG_SDRAM_BASE + dramsize), 0x80000000);
+	sdram_start(0);
+#endif
+	/* set SDRAM CS1 size according to the amount of RAM found */
+
+	*(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize;	/* disabled */
+
+	init_power_switch();
+	return (dramsize);
+}
+
+int checkboard(void)
+{
+	puts("Board: esd ParaFinder (pf5200)\n");
+	return 0;
+}
+
+void flash_preinit(void)
+{
+	/*
+	 * Now, when we are in RAM, enable flash write
+	 * access for detection process.
+	 * Note that CS_BOOT cannot be cleared when
+	 * executing in flash.
+	 */
+	*(vu_long *) MPC5XXX_BOOTCS_CFG &= ~0x1;	/* clear RO */
+}
+
+void flash_afterinit(ulong size)
+{
+	if (size == 0x02000000) {
+		/* adjust mapping */
+		*(vu_long *) MPC5XXX_BOOTCS_START =
+		    *(vu_long *) MPC5XXX_CS0_START =
+		    START_REG(CFG_BOOTCS_START | size);
+		*(vu_long *) MPC5XXX_BOOTCS_STOP =
+		    *(vu_long *) MPC5XXX_CS0_STOP =
+		    STOP_REG(CFG_BOOTCS_START | size, size);
+	}
+}
+
+#ifdef	CONFIG_PCI
+static struct pci_controller hose;
+
+extern void pci_mpc5xxx_init(struct pci_controller *);
+
+void pci_init_board(void
+    ) {
+	pci_mpc5xxx_init(&hose);
+}
+#endif
+
+#if defined (CFG_CMD_IDE) && defined (CONFIG_IDE_RESET)
+
+#define GPIO_PSC1_4	0x01000000UL
+
+void init_ide_reset(void)
+{
+	debug("init_ide_reset\n");
+
+	/* Configure PSC1_4 as GPIO output for ATA reset */
+	*(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4;
+	*(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4;
+}
+
+void ide_set_reset(int idereset)
+{
+	debug("ide_reset(%d)\n", idereset);
+
+	if (idereset) {
+		*(vu_long *) MPC5XXX_WU_GPIO_DATA &= ~GPIO_PSC1_4;
+	} else {
+		*(vu_long *) MPC5XXX_WU_GPIO_DATA |= GPIO_PSC1_4;
+	}
+}
+#endif				/* defined (CFG_CMD_IDE) && defined (CONFIG_IDE_RESET) */
+
+#define MPC5XXX_SIMPLEIO_GPIO_ENABLE       (MPC5XXX_GPIO + 0x0004)
+#define MPC5XXX_SIMPLEIO_GPIO_DIR          (MPC5XXX_GPIO + 0x000C)
+#define MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT  (MPC5XXX_GPIO + 0x0010)
+#define MPC5XXX_SIMPLEIO_GPIO_DATA_INPUT   (MPC5XXX_GPIO + 0x0014)
+
+#define MPC5XXX_INTERRUPT_GPIO_ENABLE      (MPC5XXX_GPIO + 0x0020)
+#define MPC5XXX_INTERRUPT_GPIO_DIR         (MPC5XXX_GPIO + 0x0028)
+#define MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT (MPC5XXX_GPIO + 0x002C)
+#define MPC5XXX_INTERRUPT_GPIO_STATUS      (MPC5XXX_GPIO + 0x003C)
+
+#define GPIO_WU6	0x40000000UL
+#define GPIO_USB0       0x00010000UL
+#define GPIO_USB9       0x08000000UL
+#define GPIO_USB9S      0x00080000UL
+
+void init_power_switch(void)
+{
+	debug("init_power_switch\n");
+
+	/* Configure GPIO_WU6 as GPIO output for ATA reset */
+	*(vu_long *) MPC5XXX_WU_GPIO_DATA |= GPIO_WU6;
+	*(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_WU6;
+	*(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_WU6;
+	__asm__ volatile ("sync");
+
+	*(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT &= ~GPIO_USB0;
+	*(vu_long *) MPC5XXX_SIMPLEIO_GPIO_ENABLE |= GPIO_USB0;
+	*(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DIR |= GPIO_USB0;
+	__asm__ volatile ("sync");
+
+	*(vu_long *) MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT &= ~GPIO_USB9;
+	*(vu_long *) MPC5XXX_INTERRUPT_GPIO_ENABLE &= ~GPIO_USB9;
+	__asm__ volatile ("sync");
+
+	if ((*(vu_long *) MPC5XXX_INTERRUPT_GPIO_STATUS & GPIO_USB9S) == 0) {
+		*(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT |= GPIO_USB0;
+		__asm__ volatile ("sync");
+	}
+	*(vu_char *) CFG_CS1_START = 0x02;	/* Red Power LED on */
+	__asm__ volatile ("sync");
+
+	*(vu_char *) (CFG_CS1_START + 1) = 0x02;	/* Disable driver for KB11 */
+	__asm__ volatile ("sync");
+}
+
+void power_set_reset(int power)
+{
+	debug("ide_set_reset(%d)\n", power);
+
+	if (power) {
+		*(vu_long *) MPC5XXX_WU_GPIO_DATA &= ~GPIO_WU6;
+		*(vu_long *) MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT &= ~GPIO_USB9;
+	} else {
+		*(vu_long *) MPC5XXX_WU_GPIO_DATA |= GPIO_WU6;
+		if ((*(vu_long *) MPC5XXX_INTERRUPT_GPIO_STATUS & GPIO_USB9S) ==
+		    0) {
+			*(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT |=
+			    GPIO_USB0;
+		}
+
+	}
+}
+
+int do_poweroff(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+	power_set_reset(1);
+	return (0);
+}
+
+U_BOOT_CMD(poweroff, 1, 1, do_poweroff, "poweroff- Switch off power\n", NULL);
+
+int phypower(int flag)
+{
+	u32 addr;
+	vu_long *reg;
+	int status;
+	pci_dev_t dev;
+
+	dev = PCI_BDF(0, 0x18, 0);
+	status = pci_read_config_dword(dev, PCI_BASE_ADDRESS_1, &addr);
+	if (status == 0) {
+		reg = (vu_long *) (addr + 0x00000040);
+		*reg |= 0x40000000;
+		__asm__ volatile ("sync");
+
+		reg = (vu_long *) (addr + 0x001000c);
+		*reg |= 0x20000000;
+		__asm__ volatile ("sync");
+
+		reg = (vu_long *) (addr + 0x0010004);
+		if (flag != 0) {
+			*reg &= ~0x20000000;
+		} else {
+			*reg |= 0x20000000;
+		}
+		__asm__ volatile ("sync");
+	}
+	return (status);
+}
+
+int do_phypower(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+	int status;
+
+	if (argv[1][0] == '0') {
+		status = phypower(0);
+	} else {
+		status = phypower(1);
+	}
+	return (0);
+}
+
+U_BOOT_CMD(phypower, 2, 2, do_phypower,
+	   "phypower- Switch power of ethernet phy\n", NULL);
+
+int do_writepci(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+	unsigned int addr;
+	unsigned int size;
+	int i;
+	volatile unsigned long *ptr;
+
+	addr = simple_strtol(argv[1], NULL, 16);
+	size = simple_strtol(argv[2], NULL, 16);
+
+	printf("\nWriting at addr %08x, size %08x.\n", addr, size);
+
+	while (1) {
+		ptr = (volatile unsigned long *)addr;
+		for (i = 0; i < (size >> 2); i++) {
+			*ptr++ = i;
+		}
+
+		/* Abort if ctrl-c was pressed */
+		if (ctrlc()) {
+			puts("\nAbort\n");
+			return 0;
+		}
+		putc('.');
+	}
+	return 0;
+}
+
+U_BOOT_CMD(writepci, 3, 1, do_writepci,
+	   "writepci- Write some data to pcibus\n",
+	   "<addr> <size>\n" "        - Write some data to pcibus.\n");
diff --git a/board/esd/pf5200/u-boot.lds b/board/esd/pf5200/u-boot.lds
new file mode 100644
index 0000000..d999dd1
--- /dev/null
+++ b/board/esd/pf5200/u-boot.lds
@@ -0,0 +1,122 @@
+/*
+ * (C) Copyright 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(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
+{
+  /* 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/mpc5xxx/start.o	(.text)
+    *(.text)
+    *(.fixup)
+    *(.got1)
+    . = ALIGN(16);
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x0FFF) & 0xFFFFF000;
+  _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(4096);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(4096);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}