* Patch by Markus Pietrek, 24 Feb 2004:

  NS9750 DevBoard added

* Patch by Pierre AUBERT, 24 Feb 2004
  add USB support for MPC5200

* Patch by Steven Scholz, 24 Feb 2004:
  - fix MII commands to use values from last command

* Patch by Torsten Demke, 24 Feb 2004:
  Add support for the eXalion platform (SPSW-8240, F-30, F-300)

7 files changed, 1069 insertions, 0 deletions

diff --git a/board/ns9750dev/Makefile b/board/ns9750dev/Makefile
new file mode 100644
index 0000000000..d2718cc683
--- /dev/null
+++ b/board/ns9750dev/Makefile
@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000, 2001, 2002
+# 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	:= ns9750dev.o flash.o led.o
+SOBJS	:= platform.o
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) crv $@ $(OBJS) $(SOBJS)
+
+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/ns9750dev/config.mk b/board/ns9750dev/config.mk
new file mode 100644
index 0000000000..6a22cee51a
--- /dev/null
+++ b/board/ns9750dev/config.mk
@@ -0,0 +1,16 @@
+#######################################################################
+#
+# Copyright (C) 2004 by FS Forth-Systeme GmbH.
+# Markus Pietrek <mpietrek@fsforth.de>
+#
+# @TODO
+# Linux-Kernel is expected to be at 0000'8000, entry 0000'8000
+# optionally with a ramdisk at 0080'0000
+#
+# we load ourself to 0078'0000
+#
+# download area is 0060'0000
+#
+
+
+TEXT_BASE = 0x00780000
diff --git a/board/ns9750dev/flash.c b/board/ns9750dev/flash.c
new file mode 100644
index 0000000000..e7d65157f7
--- /dev/null
+++ b/board/ns9750dev/flash.c
@@ -0,0 +1,477 @@
+/*
+ * (C) Copyright 2001
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ * Kshitij Gupta <Kshitij@ti.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 <common.h>
+#include <linux/byteorder/swab.h>
+
+#define PHYS_FLASH_SECT_SIZE	0x00020000	/* 256 KB sectors (x2) */
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];	/* info for FLASH chips    */
+
+/* Board support for 1 or 2 flash devices */
+#undef FLASH_PORT_WIDTH32
+#define FLASH_PORT_WIDTH16
+
+#ifdef FLASH_PORT_WIDTH16
+#define FLASH_PORT_WIDTH		ushort
+#define FLASH_PORT_WIDTHV		vu_short
+#define SWAP(x)			__swab16(x)
+#else
+#define FLASH_PORT_WIDTH		ulong
+#define FLASH_PORT_WIDTHV		vu_long
+#define SWAP(x)			__swab32(x)
+#endif
+
+#define FPW	FLASH_PORT_WIDTH
+#define FPWV	FLASH_PORT_WIDTHV
+
+#define mb() __asm__ __volatile__ ("" : : : "memory")
+
+
+/* Flash Organization Structure */
+typedef struct OrgDef {
+	unsigned int sector_number;
+	unsigned int sector_size;
+} OrgDef;
+
+
+/* Flash Organizations */
+OrgDef OrgIntel_28F256L18T[] = {
+	{4, 32 * 1024},				/* 4 * 32kBytes sectors */
+	{255, 128 * 1024},			/* 255 * 128kBytes sectors */
+};
+
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+unsigned long flash_init (void);
+static ulong flash_get_size (FPW * addr, flash_info_t * info);
+static int write_data (flash_info_t * info, ulong dest, FPW data);
+static void flash_get_offsets (ulong base, flash_info_t * info);
+void inline spin_wheel (void);
+void flash_print_info (flash_info_t * info);
+void flash_unprotect_sectors (FPWV * addr);
+int flash_erase (flash_info_t * info, int s_first, int s_last);
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt);
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+	int i;
+	ulong size = 0;
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+		switch (i) {
+		case 0:
+			flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]);
+			flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
+			break;
+		default:
+			panic ("configured too many flash banks!\n");
+			break;
+		}
+		size += flash_info[i].size;
+	}
+
+	/* Protect monitor and environment sectors
+	 */
+	flash_protect (FLAG_PROTECT_SET,
+			CFG_FLASH_BASE,
+			CFG_FLASH_BASE + monitor_flash_len - 1, &flash_info[0]);
+
+	flash_protect (FLAG_PROTECT_SET,
+			CFG_ENV_ADDR,
+			CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0]);
+
+	return size;
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_get_offsets (ulong base, flash_info_t * info)
+{
+	int i;
+	OrgDef *pOrgDef;
+
+	pOrgDef = OrgIntel_28F256L18T;
+	if (info->flash_id == FLASH_UNKNOWN) {
+		return;
+	}
+
+	if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
+		for (i = 0; i < info->sector_count; i++) {
+			if (i > 255) {
+				info->start[i] = base + (i * 0x8000);
+				info->protect[i] = 0;
+			} else {
+				info->start[i] = base +
+						(i * PHYS_FLASH_SECT_SIZE);
+				info->protect[i] = 0;
+			}
+		}
+	}
+}
+
+/*-----------------------------------------------------------------------
+ */
+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;
+	default:
+		printf ("Unknown Vendor ");
+		break;
+	}
+
+	switch (info->flash_id & FLASH_TYPEMASK) {
+	case FLASH_28F256L18T:
+		printf ("FLASH 28F256L18T\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");
+	return;
+}
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+static ulong flash_get_size (FPW * addr, flash_info_t * info)
+{
+	volatile FPW value;
+
+	/* Write auto select command: read Manufacturer ID */
+	addr[0x5555] = (FPW) 0x00AA00AA;
+	addr[0x2AAA] = (FPW) 0x00550055;
+	addr[0x5555] = (FPW) 0x00900090;
+
+	mb ();
+	value = addr[0];
+
+	switch (value) {
+
+	case (FPW) INTEL_MANUFACT:
+		info->flash_id = FLASH_MAN_INTEL;
+		break;
+
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		info->sector_count = 0;
+		info->size = 0;
+		addr[0] = (FPW) 0x00FF00FF;	/* restore read mode */
+		return (0);		/* no or unknown flash  */
+	}
+
+	mb ();
+	value = addr[1];	/* device ID        */
+	switch (value) {
+
+	case (FPW) (INTEL_ID_28F256L18T):
+		info->flash_id += FLASH_28F256L18T;
+		info->sector_count = 259;
+		info->size = 0x02000000;
+		break;			/* => 32 MB     */
+
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		break;
+	}
+
+	if (info->sector_count > CFG_MAX_FLASH_SECT) {
+		printf ("** ERROR: sector count %d > max (%d) **\n",
+				info->sector_count, CFG_MAX_FLASH_SECT);
+		info->sector_count = CFG_MAX_FLASH_SECT;
+	}
+
+	addr[0] = (FPW) 0x00FF00FF;	/* restore read mode */
+
+	return (info->size);
+}
+
+
+/* unprotects a sector for write and erase
+ * on some intel parts, this unprotects the entire chip, but it
+ * wont hurt to call this additional times per sector...
+ */
+void flash_unprotect_sectors (FPWV * addr)
+{
+#define PD_FINTEL_WSMS_READY_MASK    0x0080
+
+	*addr = (FPW) 0x00500050;	/* clear status register */
+
+	/* this sends the clear lock bit command */
+	*addr = (FPW) 0x00600060;
+	*addr = (FPW) 0x00D000D0;
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+	int flag, prot, sect;
+	ulong type, start, 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;
+	}
+
+	type = (info->flash_id & FLASH_VENDMASK);
+	if ((type != FLASH_MAN_INTEL)) {
+		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");
+	}
+
+
+	start = get_timer (0);
+	last = start;
+
+	/* Disable interrupts which might cause a timeout here */
+	flag = disable_interrupts ();
+
+	/* Start erase on unprotected sectors */
+	for (sect = s_first; sect <= s_last; sect++) {
+		if (info->protect[sect] == 0) {	/* not protected */
+			FPWV *addr = (FPWV *) (info->start[sect]);
+			FPW status;
+
+			printf ("Erasing sector %2d ... ", sect);
+
+			flash_unprotect_sectors (addr);
+
+			/* arm simple, non interrupt dependent timer */
+			reset_timer_masked ();
+
+			*addr = (FPW) 0x00500050;/* clear status register */
+			*addr = (FPW) 0x00200020;/* erase setup */
+			*addr = (FPW) 0x00D000D0;/* erase confirm */
+
+			while (((status =
+				*addr) & (FPW) 0x00800080) !=
+				(FPW) 0x00800080) {
+					if (get_timer_masked () >
+					CFG_FLASH_ERASE_TOUT) {
+					printf ("Timeout\n");
+					/* suspend erase     */
+					*addr = (FPW) 0x00B000B0;
+					/* reset to read mode */
+					*addr = (FPW) 0x00FF00FF;
+					rcode = 1;
+					break;
+				}
+			}
+
+			/* clear status register cmd.   */
+			*addr = (FPW) 0x00500050;
+			*addr = (FPW) 0x00FF00FF;/* resest to read mode */
+			printf (" done\n");
+		}
+	}
+	return rcode;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ * 4 - Flash not identified
+ */
+
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+	ulong cp, wp;
+	FPW data;
+	int count, i, l, rc, port_width;
+
+	if (info->flash_id == FLASH_UNKNOWN) {
+		return 4;
+	}
+/* get lower word aligned address */
+#ifdef FLASH_PORT_WIDTH16
+	wp = (addr & ~1);
+	port_width = 2;
+#else
+	wp = (addr & ~3);
+	port_width = 4;
+#endif
+
+	/*
+	 * 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 < port_width && cnt > 0; ++i) {
+			data = (data << 8) | *src++;
+			--cnt;
+			++cp;
+		}
+		for (; cnt == 0 && i < port_width; ++i, ++cp) {
+			data = (data << 8) | (*(uchar *) cp);
+		}
+
+		if ((rc = write_data (info, wp, SWAP (data))) != 0) {
+			return (rc);
+		}
+		wp += port_width;
+	}
+
+	/*
+	 * handle word aligned part
+	 */
+	count = 0;
+	while (cnt >= port_width) {
+		data = 0;
+		for (i = 0; i < port_width; ++i) {
+			data = (data << 8) | *src++;
+		}
+		if ((rc = write_data (info, wp, SWAP (data))) != 0) {
+			return (rc);
+		}
+		wp += port_width;
+		cnt -= port_width;
+		if (count++ > 0x800) {
+			spin_wheel ();
+			count = 0;
+		}
+	}
+
+	if (cnt == 0) {
+		return (0);
+	}
+
+	/*
+	 * handle unaligned tail bytes
+	 */
+	data = 0;
+	for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) {
+		data = (data << 8) | *src++;
+		--cnt;
+	}
+	for (; i < port_width; ++i, ++cp) {
+		data = (data << 8) | (*(uchar *) cp);
+	}
+
+	return (write_data (info, wp, SWAP (data)));
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word or halfword to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_data (flash_info_t * info, ulong dest, FPW data)
+{
+	FPWV *addr = (FPWV *) dest;
+	ulong status;
+	int flag;
+
+	/* Check if Flash is (sufficiently) erased */
+	if ((*addr & data) != data) {
+		printf ("not erased at %08lx (%x)\n", (ulong) addr, *addr);
+		return (2);
+	}
+	flash_unprotect_sectors (addr);
+	/* Disable interrupts which might cause a timeout here */
+	flag = disable_interrupts ();
+	*addr = (FPW) 0x00400040;	/* write setup */
+	*addr = data;
+
+	/* arm simple, non interrupt dependent timer */
+	reset_timer_masked ();
+
+	/* wait while polling the status register */
+	while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
+		if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
+			*addr = (FPW) 0x00FF00FF;	/* restore read mode */
+			return (1);
+		}
+	}
+	*addr = (FPW) 0x00FF00FF;	/* restore read mode */
+	return (0);
+}
+
+void inline spin_wheel (void)
+{
+	static int p = 0;
+	static char w[] = "\\/-";
+
+	printf ("\010%c", w[p]);
+	(++p == 3) ? (p = 0) : 0;
+}
diff --git a/board/ns9750dev/led.c b/board/ns9750dev/led.c
new file mode 100644
index 0000000000..ab27f7b58d
--- /dev/null
+++ b/board/ns9750dev/led.c
@@ -0,0 +1,46 @@
+/***********************************************************************
+ *
+ * Copyright (C) 2004 by FS Forth-Systeme GmbH.
+ * All rights reserved.
+ *
+ * $Id: led.c,v 1.1 2004/02/16 10:37:20 mpietrek Exp $
+ * @Author: Markus Pietrek
+ * @Descr: Defines helper functions for toggeling LEDs
+ * @Usage:
+ * @References: [1]
+ *
+ * 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
+ *  
+ ***********************************************************************/
+
+#ifdef CONFIG_STATUS_LED
+
+#include <ns9750_bbus.h>
+
+static inline void __led_init( led_id_t mask, int state )
+{
+	XXXX;
+}
+
+static inline void __led_toggle( led_id_t mask )
+{
+}
+
+static inline void __led_set( led_id_t mask, int state )
+{
+}
+
+#endif /* CONFIG_STATUS_LED */
diff --git a/board/ns9750dev/ns9750dev.c b/board/ns9750dev/ns9750dev.c
new file mode 100644
index 0000000000..0ea89a5d80
--- /dev/null
+++ b/board/ns9750dev/ns9750dev.c
@@ -0,0 +1,127 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ * Kshitij Gupta <Kshitij@ti.com>
+ *
+ * Copyright (C) 2004 by FS Forth-Systeme GmbH.
+ * All rights reserved.
+ * Markus Pietrek <mpietrek@fsforth.de>
+ * derived from omap1610innovator.c
+ * @References: [1] NS9750 Hardware Reference/December 2003
+ *
+ * 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(CONFIG_NS9750DEV)
+# include <./configs/ns9750dev.h>
+# include <./ns9750_bbus.h>
+#endif
+
+void flash__init( void );
+void ether__init( void );
+
+static inline void delay( unsigned long loops )
+{
+	__asm__ volatile ("1:\n"
+		"subs %0, %1, #1\n"
+		"bne 1b":"=r" (loops):"0" (loops));
+}
+
+
+/***********************************************************************
+ * @Function: board_init
+ * @Return: 0
+ * @Descr: Enables BBUS modules and other devices
+ ***********************************************************************/
+
+int board_init( void )
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	/* Active BBUS modules */
+	*get_bbus_reg_addr( NS9750_BBUS_MASTER_RESET ) = 0;
+
+#warning TODO check numbers
+	/* arch number of OMAP 1510-Board */
+	/* to be changed for OMAP 1610 Board */
+	gd->bd->bi_arch_number = 234;
+
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = 0x10000100;
+
+
+/* this speeds up your boot a quite a bit.  However to make it
+ *  work, you need make sure your kernel startup flush bug is fixed.
+ *  ... rkw ...
+ */
+	icache_enable();
+
+	flash__init();
+	ether__init();
+	return 0;
+}
+
+
+int misc_init_r (void)
+{
+	/* currently empty */
+	return (0);
+}
+
+/******************************
+ Routine:
+ Description:
+******************************/
+void flash__init (void)
+{
+}
+/*************************************************************
+ Routine:ether__init
+ Description: take the Ethernet controller out of reset and wait
+	  		   for the EEPROM load to complete.
+*************************************************************/
+void ether__init (void)
+{
+}
+
+/******************************
+ Routine:
+ Description:
+******************************/
+int dram_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+#if CONFIG_NR_DRAM_BANKS > 1
+	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
+	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
+#endif
+	return 0;
+}
diff --git a/board/ns9750dev/platform.S b/board/ns9750dev/platform.S
new file mode 100644
index 0000000000..11f9aef801
--- /dev/null
+++ b/board/ns9750dev/platform.S
@@ -0,0 +1,298 @@
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ * Kshitij Gupta <Kshitij@ti.com>
+ *
+ * Modified for the NS9750 DevBoard by
+ * (C) Copyright 2004 by FS Forth-Systeme GmbH.
+ * Markus Pietrek <mpietrek@fsforth.de>
+ * @References: [1] NS9750 Hardware Reference/December 2003
+ *	        [2] ns9750_a.cmd from MAJIC configuration
+ *
+ * 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 <config.h>
+#include <version.h>
+
+#if defined(CONFIG_NS9750DEV)
+# ifdef CONFIG_INIT_CRITICAL
+#  include <./ns9750_sys.h>
+#  include <./ns9750_mem.h>
+# endif
+#endif
+
+/***********************************************************************
+ * @Function: write_register_block
+ * @Return: nothing
+ * @Descr: Copies the register block of register_offset:register value to
+ *         the registers at base r0. The block is assumed to start in RAM at r1
+ *         and end at r2. The linked RAM base address of U-Boot is assumed to be
+ *	   in r5 while the ROM base address we are running from is r6
+ *         Uses r3 and r4 as tempory registers
+ ***********************************************************************/
+
+.macro	write_register_block
+	@@ map the addresses to high memory
+	sub	r1, r1, r5
+	add	r1, r1, r6
+	sub	r2, r2, r5
+	add	r2, r2, r6
+
+	@@ copy all
+1:
+	@@ Write register/value pair starting at [r1] to register base r0
+	ldr	r3, [r1], #4
+	ldr	r4, [r1], #4
+	str	r4, [r0,r3]
+	cmp	r1, r2
+	blt	1b
+.endm
+
+_TEXT_BASE:
+	.word	TEXT_BASE	@ sdram load addr from config.mk
+_PHYS_FLASH:
+	.word	PHYS_FLASH_1    @ real flash address (without mirroring)
+_CAS_LATENCY:
+	.word	0x00022000	@ for CAS2 latency
+
+#ifdef CONFIG_INIT_CRITICAL
+.globl platformsetup
+platformsetup:
+
+	/* U-Boot may be linked to RAM at 0x780000. But this code will run in
+	   flash from 0x0. But in order to enable RAM we have to disable the
+	   mirror bit, therefore we have to jump to our real flash address
+	   beginning at PHYS_FLASH_1 (CS4 Base). Therefore,
+	   _run_at_real_flash_address may be 0x500003b0 while be linked to
+	   0x7803b0. So we must modify our linked addresses */
+
+	@@ branch to high memory address, away from 0x0
+	ldr	r5, _TEXT_BASE
+	ldr	r6, _PHYS_FLASH
+	ldr	r0, =_run_at_real_flash_address
+	sub	r0, r0, r5
+	add	r0, r0, r6
+	mov	pc, r0
+	nop			@ for pipelining
+
+_run_at_real_flash_address:
+	@@ now we are running > PHYS_FLASH_1, safe to enable memory controller
+
+	@@ Write Memory Configuration Registers
+
+	ldr	r0, _NS9750_MEM_MODULE_BASE
+	ldr	r1, =_MEM_CONFIG_START
+	ldr	r2, =_MEM_CONFIG_END
+
+	write_register_block
+
+	@@ Give SDRAM some time to settle
+	@@ @TODO. According to [2] it should be 2 AHB cycles. Check
+
+	ldr	r1, =0x50
+_sdram_settle:
+	subs	r1, r1, #1
+	bne	_sdram_settle
+
+_enable_mappings:
+	@@ Enable SDRAM Mode
+
+	ldr	r1, =_MEM_MODE_START
+	ldr	r2, =_MEM_MODE_END
+
+	write_register_block
+
+	ldr	r3, _CAS_LATENCY @ perform one read from SDRAM
+	ldr	r3, [r3]
+
+	@@ Enable SDRAM and memory mappings
+
+	ldr	r1, =_MEM_ENABLE_START
+	ldr	r2, =_MEM_ENABLE_END
+
+	write_register_block
+
+	@@ Activate AHB monitor
+
+	ldr	r0, =NS9750_SYS_MODULE_BASE
+	ldr	r1, =_AHB_MONITOR_START
+	ldr	r2, =_AHB_MONITOR_END
+
+	write_register_block
+_relocate_lr:
+	/* lr and ip (from cpu_init_crit) are still based on 0x0, relocate it to
+	   PHYS_FLASH. */
+	mov	r1, ip
+	add	r1, r1, r6
+	mov	ip, r1
+
+	mov	r1, lr
+	add	r1, r1, r6
+	mov	lr, r1
+
+	@@ back to arch calling code
+	mov	pc,	lr
+
+	.ltorg
+
+_NS9750_MEM_MODULE_BASE:
+	.word	NS9750_MEM_MODULE_BASE
+
+_MEM_CONFIG_START:
+	/* Table of 2 32bit entries. First word is register address offset
+	   relative to NS9750_MEM_MODULE_BASE, second one is value. They are
+	   written in order of appearance */
+
+	@@ Register values taken from [2]
+	.word	NS9750_MEM_CTRL
+	.word	NS9750_MEM_CTRL_E
+
+	.word	NS9750_MEM_DYN_REFRESH
+	.word	(0x6 & NS9750_MEM_DYN_REFRESH_MA)
+
+	.word	NS9750_MEM_DYN_READ_CFG
+	.word	(0x1 & NS9750_MEM_DYN_READ_CFG_MA)
+
+	.word	NS9750_MEM_DYN_TRP
+	.word	(0x1 & NS9750_MEM_DYN_TRP_MA)
+
+	.word	NS9750_MEM_DYN_TRAS
+	.word	(0x4 & NS9750_MEM_DYN_TRAS_MA)
+
+	.word	NS9750_MEM_DYN_TAPR
+	.word	(0x1 & NS9750_MEM_DYN_TRAS_MA)
+
+	.word	NS9750_MEM_DYN_TDAL
+	.word	(0x5 & NS9750_MEM_DYN_TDAL_MA)
+
+	.word	NS9750_MEM_DYN_TWR
+	.word	(0x1 & NS9750_MEM_DYN_TWR_MA)
+
+	.word	NS9750_MEM_DYN_TRC
+	.word	(0x6 & NS9750_MEM_DYN_TRC_MA)
+
+	.word	NS9750_MEM_DYN_TRFC
+	.word	(0x6 & NS9750_MEM_DYN_TRFC_MA)
+
+	.word	NS9750_MEM_DYN_TRRD
+	.word	(0x1 & NS9750_MEM_DYN_TRRD_MA)
+
+	.word	NS9750_MEM_DYN_TMRD
+	.word	(0x1 & NS9750_MEM_DYN_TMRD_MA)
+
+	@@ CS 4
+	.word	NS9750_MEM_DYN_CFG(0)
+	.word	(NS9750_MEM_DYN_CFG_AM | \
+		 (0x280 & NS9750_MEM_DYN_CFG_AM_MA))
+
+	.word	NS9750_MEM_DYN_RAS_CAS(0)
+	.word	((0x200 & NS9750_MEM_DYN_RAS_CAS_CAS_MA) | \
+		 (0x03 & NS9750_MEM_DYN_RAS_CAS_RAS_MA))
+
+	@@ CS 5
+	.word	NS9750_MEM_DYN_CFG(1)
+	.word	(NS9750_MEM_DYN_CFG_AM | \
+		 (0x280 & NS9750_MEM_DYN_CFG_AM_MA))
+
+	.word	NS9750_MEM_DYN_RAS_CAS(1)
+	.word	((0x200 & NS9750_MEM_DYN_RAS_CAS_CAS_MA) | \
+		 (0x03 & NS9750_MEM_DYN_RAS_CAS_RAS_MA))
+
+	@@ CS 6
+	.word	NS9750_MEM_DYN_CFG(2)
+	.word	(NS9750_MEM_DYN_CFG_AM | \
+		 (0x280 & NS9750_MEM_DYN_CFG_AM_MA))
+
+	.word	NS9750_MEM_DYN_RAS_CAS(2)
+	.word	((0x200 & NS9750_MEM_DYN_RAS_CAS_CAS_MA) | \
+		 (0x03 & NS9750_MEM_DYN_RAS_CAS_RAS_MA))
+
+	@@ CS 7
+	.word	NS9750_MEM_DYN_CFG(3)
+	.word	(NS9750_MEM_DYN_CFG_AM | \
+		 (0x280 & NS9750_MEM_DYN_CFG_AM_MA))
+
+	.word	NS9750_MEM_DYN_RAS_CAS(3)
+	.word	((0x200 & NS9750_MEM_DYN_RAS_CAS_CAS_MA) | \
+		 (0x03 & NS9750_MEM_DYN_RAS_CAS_RAS_MA))
+
+	.word	NS9750_MEM_DYN_CTRL
+	.word	(NS9750_MEM_DYN_CTRL_I_PALL | \
+		 NS9750_MEM_DYN_CTRL_SR | \
+		 NS9750_MEM_DYN_CTRL_CE )
+
+	.word	NS9750_MEM_DYN_REFRESH
+	.word	(0x1 & NS9750_MEM_DYN_REFRESH_MA)
+	@@ No further register settings after refresh
+_MEM_CONFIG_END:
+
+_MEM_MODE_START:
+	.word	NS9750_MEM_DYN_REFRESH
+	.word	(0x30 & NS9750_MEM_DYN_REFRESH_MA)
+
+	.word	NS9750_MEM_DYN_CTRL
+	.word	(NS9750_MEM_DYN_CTRL_I_MODE | \
+		 NS9750_MEM_DYN_CTRL_SR | \
+		 NS9750_MEM_DYN_CTRL_CE )
+_MEM_MODE_END:
+
+_MEM_ENABLE_START:
+	.word	NS9750_MEM_DYN_CTRL
+	.word	(NS9750_MEM_DYN_CTRL_I_NORMAL | \
+		 NS9750_MEM_DYN_CTRL_SR | \
+		 NS9750_MEM_DYN_CTRL_CE )
+
+	@@ CS 4
+	.word	NS9750_MEM_DYN_CFG(0)
+	.word	(NS9750_MEM_DYN_CFG_BDMC | \
+		 NS9750_MEM_DYN_CFG_AM | \
+		 (0x280 & NS9750_MEM_DYN_CFG_AM_MA))
+
+	@@ CS 5
+	.word	NS9750_MEM_DYN_CFG(1)
+	.word	(NS9750_MEM_DYN_CFG_BDMC | \
+		 NS9750_MEM_DYN_CFG_AM | \
+		 (0x280 & NS9750_MEM_DYN_CFG_AM_MA))
+
+	@@ CS 6
+	.word	NS9750_MEM_DYN_CFG(2)
+	.word	(NS9750_MEM_DYN_CFG_BDMC | \
+		 NS9750_MEM_DYN_CFG_AM | \
+		 (0x280 & NS9750_MEM_DYN_CFG_AM_MA))
+
+	@@ CS 7
+	.word	NS9750_MEM_DYN_CFG(3)
+	.word	(NS9750_MEM_DYN_CFG_BDMC | \
+		 NS9750_MEM_DYN_CFG_AM | \
+		 (0x280 & NS9750_MEM_DYN_CFG_AM_MA))
+_MEM_ENABLE_END:
+
+_AHB_MONITOR_START:
+	.word	NS9750_SYS_AHB_TIMEOUT
+	.word	0x01000100	@ @TODO not calculated yet
+
+	.word	NS9750_SYS_AHB_MON
+	.word	(NS9750_SYS_AHB_MON_BMTC_GEN_IRQ | \
+		 NS9750_SYS_AHB_MON_BATC_GEN_IRQ)
+_AHB_MONITOR_END:
+
+#endif /* CONFIG_INIT_CRITICAL */
diff --git a/board/ns9750dev/u-boot.lds b/board/ns9750dev/u-boot.lds
new file mode 100644
index 0000000000..8a05892af9
--- /dev/null
+++ b/board/ns9750dev/u-boot.lds
@@ -0,0 +1,58 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+/*OUTPUT_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text      :
+	{
+	  cpu/arm926ejs/start.o	(.text)
+	  *(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata : { *(.rodata) }
+
+	. = ALIGN(4);
+	.data : { *(.data) }
+
+	. = ALIGN(4);
+	.got : { *(.got) }
+
+  __u_boot_cmd_start = .;
+  .u_boot_cmd : { *(.u_boot_cmd) }
+  __u_boot_cmd_end = .;
+
+
+	. = ALIGN(4);
+	__bss_start = .;
+	.bss : { *(.bss) }
+	_end = . ;
+
+}