Merge with http://www.denx.de/git/u-boot.git

7 files changed, 961 insertions, 0 deletions

diff --git a/board/ezkit533/Makefile b/board/ezkit533/Makefile
new file mode 100644
index 0000000..c9b3c92
--- /dev/null
+++ b/board/ezkit533/Makefile
@@ -0,0 +1,44 @@
+#
+# U-boot - Makefile
+#
+# Copyright (c) 2005 blackfin.uclinux.org
+#
+# (C) Copyright 2000-2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	= $(BOARD).o flash.o ezkit533.o
+
+$(LIB):	.depend $(OBJS)
+	$(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/ezkit533/config.mk b/board/ezkit533/config.mk
new file mode 100644
index 0000000..36c9f99
--- /dev/null
+++ b/board/ezkit533/config.mk
@@ -0,0 +1,25 @@
+#
+# (C) Copyright 2001
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+TEXT_BASE = 0x01FC0000
+PLATFORM_CPPFLAGS += -I$(TOPDIR)
diff --git a/board/ezkit533/ezkit533.c b/board/ezkit533/ezkit533.c
new file mode 100644
index 0000000..f8ee900
--- /dev/null
+++ b/board/ezkit533/ezkit533.c
@@ -0,0 +1,71 @@
+/*
+ * U-boot - ezkit533.c
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * (C) Copyright 2000-2004
+ * 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>
+#if defined(CONFIG_MISC_INIT_R)
+#include "psd4256.h"
+#endif
+
+int checkboard(void)
+{
+	printf("CPU:   ADSP BF533 Rev.: 0.%d\n", *pCHIPID >> 28);
+	printf("Board: ADI BF533 EZ-Kit Lite board\n");
+	printf("       Support: http://blackfin.uclinux.org/\n");
+	printf("       Richard Klingler <richard@uclinux.net>\n");
+	return 0;
+}
+
+long int initdram(int board_type)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+#ifdef DEBUG
+	int brate;
+	char *tmp = getenv("baudrate");
+	brate = simple_strtoul(tmp, NULL, 16);
+	printf("Serial Port initialized with Baud rate = %x\n",brate);
+	printf("SDRAM attributes:\n");
+	printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles"
+	       "tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n",
+	       3, 3, 6, 2, 3);
+	printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE);
+	printf("Bank size = %d MB\n", CFG_MAX_RAM_SIZE >> 20);
+#endif
+	gd->bd->bi_memstart = CFG_SDRAM_BASE;
+	gd->bd->bi_memsize = CFG_MAX_RAM_SIZE;
+	return CFG_MAX_RAM_SIZE;
+}
+
+#if defined(CONFIG_MISC_INIT_R)
+/* miscellaneous platform dependent initialisations */
+int misc_init_r(void)
+{
+	/* Set direction bits for Video en/decoder reset as output	*/
+	*(volatile unsigned char *)(CFG_FLASH1_BASE + PSD_PORTA_DIR) = PSDA_VDEC_RST | PSDA_VENC_RST;
+	/* Deactivate Video en/decoder reset lines			*/
+	*(volatile unsigned char *)(CFG_FLASH1_BASE + PSD_PORTA_DOUT) = PSDA_VDEC_RST | PSDA_VENC_RST;
+}
+#endif
diff --git a/board/ezkit533/flash-defines.h b/board/ezkit533/flash-defines.h
new file mode 100644
index 0000000..8f9dff5
--- /dev/null
+++ b/board/ezkit533/flash-defines.h
@@ -0,0 +1,130 @@
+/*
+ * U-boot - flash-defines.h
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * (C) Copyright 2000-2004
+ * 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
+ */
+
+#ifndef __FLASHDEFINES_H__
+#define __FLASHDEFINES_H__
+
+#include <common.h>
+
+#define V_ULONG(a)		(*(volatile unsigned long *)( a ))
+#define V_BYTE(a)		(*(volatile unsigned char *)( a ))
+#define TRUE			0x1
+#define FALSE			0x0
+#define BUFFER_SIZE		0x80000
+#define NO_COMMAND		0
+#define GET_CODES		1
+#define RESET			2
+#define WRITE			3
+#define FILL			4
+#define ERASE_ALL		5
+#define ERASE_SECT		6
+#define READ			7
+#define GET_SECTNUM		8
+#define FLASH_START_L 		0x0000
+#define FLASH_START_H 		0x2000
+#define FLASH_TOT_SECT		40
+#define FLASH_SIZE 		0x220000
+#define FLASH_MAN_ST 		2
+#define CFG_FLASH0_BASE		0x20000000
+#define RESET_VAL		0xF0
+
+
+asm("#define FLASH_START_L 0x0000");
+asm("#define FLASH_START_H 0x2000");
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+int get_codes(void);
+int poll_toggle_bit(long lOffset);
+void reset_flash(void);
+int erase_flash(void);
+int erase_block_flash(int,unsigned long);
+void unlock_flash(long lOffset);
+int write_data(long lStart, long lCount, long lStride, int *pnData);
+int FillData(long lStart, long lCount, long lStride, int *pnData);
+int read_data(long lStart, long lCount, long lStride, int *pnData);
+int read_flash(long nOffset, int *pnValue);
+int write_flash(long nOffset, int nValue);
+void get_sector_number(long lOffset, int *pnSector);
+int GetSectorProtectionStatus(flash_info_t * info, int nSector);
+int GetOffset(int nBlock);
+int AFP_NumSectors = 40;
+long AFP_SectorSize1 = 0x10000;
+int AFP_SectorSize2 = 0x4000;
+
+#define WRITESEQ1		0x0AAA
+#define WRITESEQ2		0x0554
+#define WRITESEQ3		0x0AAA
+#define WRITESEQ4		0x0AAA
+#define WRITESEQ5		0x0554
+#define WRITESEQ6		0x0AAA
+#define WRITEDATA1		0xaa
+#define WRITEDATA2		0x55
+#define WRITEDATA3		0x80
+#define WRITEDATA4		0xaa
+#define WRITEDATA5		0x55
+#define WRITEDATA6		0x10
+#define PriFlashABegin		0
+#define SecFlashABegin		32
+#define SecFlashBBegin		36
+#define PriFlashAOff		0x0
+#define PriFlashBOff		0x100000
+#define SecFlashAOff		0x200000
+#define SecFlashBOff		0x280000
+#define INVALIDLOCNSTART	0x20270000
+#define INVALIDLOCNEND		0x20280000
+#define BlockEraseVal		0x30
+#define UNLOCKDATA1		0xaa
+#define UNLOCKDATA2		0x55
+#define UNLOCKDATA3		0xa0
+#define GETCODEDATA1		0xaa
+#define GETCODEDATA2		0x55
+#define GETCODEDATA3		0x90
+#define SecFlashASec1Off	0x200000
+#define SecFlashASec2Off	0x204000
+#define SecFlashASec3Off	0x206000
+#define SecFlashASec4Off	0x208000
+#define SecFlashAEndOff		0x210000
+#define SecFlashBSec1Off	0x280000
+#define SecFlashBSec2Off	0x284000
+#define SecFlashBSec3Off	0x286000
+#define SecFlashBSec4Off	0x288000
+#define SecFlashBEndOff		0x290000
+
+#define SECT32			32
+#define SECT33			33
+#define SECT34			34
+#define SECT35			35
+#define SECT36			36
+#define SECT37			37
+#define SECT38			38
+#define SECT39			39
+
+#define FLASH_SUCCESS	0
+#define FLASH_FAIL	-1
+
+#endif
diff --git a/board/ezkit533/flash.c b/board/ezkit533/flash.c
new file mode 100644
index 0000000..b0a0796
--- /dev/null
+++ b/board/ezkit533/flash.c
@@ -0,0 +1,476 @@
+/*
+ * U-boot - flash.c Flash driver for PSD4256GV
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ * This file is based on BF533EzFlash.c originally written by Analog Devices, Inc.
+ *
+ * (C) Copyright 2000-2004
+ * 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 "flash-defines.h"
+
+void flash_reset(void)
+{
+	reset_flash();
+}
+
+unsigned long flash_get_size(ulong baseaddr, flash_info_t * info,
+			     int bank_flag)
+{
+	int id = 0, i = 0;
+	static int FlagDev = 1;
+
+	id = get_codes();
+	if(FlagDev)	{
+#ifdef DEBUG
+		printf("Device ID of the Flash is %x\n", id);
+#endif
+		FlagDev = 0;
+	}
+	info->flash_id = id;
+
+	switch (bank_flag) {
+	case 0:
+		for (i = PriFlashABegin; i < SecFlashABegin; i++)
+			info->start[i] = (baseaddr + (i * AFP_SectorSize1));
+		info->size = 0x200000;
+		info->sector_count = 32;
+		break;
+	case 1:
+		info->start[0] = baseaddr + SecFlashASec1Off;
+		info->start[1] = baseaddr + SecFlashASec2Off;
+		info->start[2] = baseaddr + SecFlashASec3Off;
+		info->start[3] = baseaddr + SecFlashASec4Off;
+		info->size = 0x10000;
+		info->sector_count = 4;
+		break;
+	case 2:
+		info->start[0] = baseaddr + SecFlashBSec1Off;
+		info->start[1] = baseaddr + SecFlashBSec2Off;
+		info->start[2] = baseaddr + SecFlashBSec3Off;
+		info->start[3] = baseaddr + SecFlashBSec4Off;
+		info->size = 0x10000;
+		info->sector_count = 4;
+		break;
+	}
+	return (info->size);
+}
+
+unsigned long flash_init(void)
+{
+	unsigned long size_b0, size_b1, size_b2;
+	int i;
+
+	size_b0 = size_b1 = size_b2 = 0;
+#ifdef DEBUG
+	printf("Flash Memory Start 0x%x\n", CFG_FLASH_BASE);
+	printf("Memory Map for the Flash\n");
+	printf("0x20000000 - 0x200FFFFF Flash A Primary (1MB)\n");
+	printf("0x20100000 - 0x201FFFFF Flash B Primary (1MB)\n");
+	printf("0x20200000 - 0x2020FFFF Flash A Secondary (64KB)\n");
+	printf("0x20280000 - 0x2028FFFF Flash B Secondary (64KB)\n");
+	printf("Please type command flinfo for information on Sectors \n");
+#endif
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
+		flash_info[i].flash_id = FLASH_UNKNOWN;
+	}
+
+	size_b0 = flash_get_size(CFG_FLASH0_BASE, &flash_info[0], 0);
+	size_b1 = flash_get_size(CFG_FLASH0_BASE, &flash_info[1], 1);
+	size_b2 = flash_get_size(CFG_FLASH0_BASE, &flash_info[2], 2);
+
+	if (flash_info[0].flash_id == FLASH_UNKNOWN || size_b0 == 0) {
+		printf("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+			size_b0, size_b0 >> 20);
+	}
+
+	(void)flash_protect(FLAG_PROTECT_SET,CFG_FLASH0_BASE,(flash_info[0].start[2] - 1),&flash_info[0]);
+
+	return (size_b0 + size_b1 + size_b2);
+}
+
+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) {
+	case FLASH_PSD4256GV:
+		printf("ST Microelectronics ");
+		break;
+	default:
+		printf("Unknown Vendor ");
+		break;
+	}
+	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;
+}
+
+int flash_erase(flash_info_t * info, int s_first, int s_last)
+{
+	int cnt = 0,i;
+	int prot,sect;
+
+	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");
+
+	cnt = s_last - s_first + 1;
+
+	if (cnt == FLASH_TOT_SECT) {
+		printf("Erasing flash, Please Wait \n");
+		if(erase_flash() < 0) {
+			printf("Erasing flash failed \n");
+			return FLASH_FAIL;
+		}
+	} else {
+		printf("Erasing Flash locations, Please Wait\n");
+		for (i = s_first; i <= s_last; i++) {
+			if (info->protect[i] == 0) {	/* not protected */
+				if(erase_block_flash(i, info->start[i]) < 0) {
+					printf("Error Sector erasing \n");
+					return FLASH_FAIL;
+				}
+			}
+		}
+	}
+	return FLASH_SUCCESS;
+}
+
+int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+	int ret;
+
+	ret = write_data(addr, cnt, 1, (int *) src);
+	if(ret == FLASH_FAIL)
+		return ERR_NOT_ERASED;
+	return FLASH_SUCCESS;
+}
+
+
+int write_data(long lStart, long lCount, long lStride, int *pnData)
+{
+	long i = 0;
+	int j = 0;
+	unsigned long ulOffset = lStart - CFG_FLASH_BASE;
+	int d;
+	int iShift = 0;
+	int iNumWords = 2;
+	int nLeftover = lCount % 4;
+	int nSector = 0;
+
+	for (i = 0; (i < lCount / 4) && (i < BUFFER_SIZE); i++) {
+		for (iShift = 0, j = 0; (j < iNumWords);
+			j++, ulOffset += (lStride * 2)) {
+			if ((ulOffset >= INVALIDLOCNSTART)
+			&& (ulOffset < INVALIDLOCNEND)) {
+				printf("Invalid locations, Try writing to another location \n");
+				return FLASH_FAIL;
+			}
+			get_sector_number(ulOffset, &nSector);
+			read_flash(ulOffset,&d);
+			if(d != 0xffff) {
+				printf("Flash not erased at offset 0x%x Please erase to reprogram \n",ulOffset);
+				return FLASH_FAIL;
+			}
+			unlock_flash(ulOffset);
+			if(write_flash(ulOffset, (pnData[i] >> iShift)) < 0) {
+				printf("Error programming the flash \n");
+				return FLASH_FAIL;
+			}
+			iShift += 16;
+		}
+	}
+	if (nLeftover > 0) {
+		if ((ulOffset >= INVALIDLOCNSTART)
+			&& (ulOffset < INVALIDLOCNEND))
+				return FLASH_FAIL;
+		get_sector_number(ulOffset, &nSector);
+		read_flash(ulOffset,&d);
+		if(d != 0xffff) {
+			printf("Flash already programmed. Please erase to reprogram \n");
+			printf("uloffset = 0x%x \t d = 0x%x\n",ulOffset,d);
+			return FLASH_FAIL;
+		}
+		unlock_flash(ulOffset);
+		if(write_flash(ulOffset, pnData[i]) < 0) {
+			printf("Error programming the flash \n");
+			return FLASH_FAIL;
+		}
+	}
+	return FLASH_SUCCESS;
+}
+
+int read_data(long ulStart, long lCount, long lStride, int *pnData)
+{
+	long i = 0;
+	int j = 0;
+	long ulOffset = ulStart;
+	int iShift = 0;
+	int iNumWords = 2;
+	int nLeftover = lCount % 4;
+	int nHi, nLow;
+	int nSector = 0;
+
+	for (i = 0; (i < lCount / 4) && (i < BUFFER_SIZE); i++) {
+		for (iShift = 0, j = 0; j < iNumWords; j += 2) {
+			if ((ulOffset >= INVALIDLOCNSTART)
+				&& (ulOffset < INVALIDLOCNEND))
+					return FLASH_FAIL;
+
+			get_sector_number(ulOffset, &nSector);
+			read_flash(ulOffset, &nLow);
+			ulOffset += (lStride * 2);
+			read_flash(ulOffset, &nHi);
+			ulOffset += (lStride * 2);
+			pnData[i] = (nHi << 16) | nLow;
+		}
+	}
+	if (nLeftover > 0) {
+		if ((ulOffset >= INVALIDLOCNSTART)
+			&& (ulOffset < INVALIDLOCNEND))
+				return FLASH_FAIL;
+
+		get_sector_number(ulOffset, &nSector);
+		read_flash(ulOffset, &pnData[i]);
+	}
+	return FLASH_SUCCESS;
+}
+
+int write_flash(long nOffset, int nValue)
+{
+	long addr;
+
+	addr = (CFG_FLASH_BASE + nOffset);
+	asm("ssync;");
+	*(unsigned volatile short *) addr = nValue;
+	asm("ssync;");
+	if(poll_toggle_bit(nOffset) < 0)
+		return FLASH_FAIL;
+	return FLASH_SUCCESS;
+}
+
+int read_flash(long nOffset, int *pnValue)
+{
+	int nValue = 0x0;
+	long addr = (CFG_FLASH_BASE + nOffset);
+
+	if (nOffset != 0x2)
+		reset_flash();
+	asm("ssync;");
+	nValue = *(volatile unsigned short *) addr;
+	asm("ssync;");
+	*pnValue = nValue;
+	return TRUE;
+}
+
+int poll_toggle_bit(long lOffset)
+{
+	unsigned int u1,u2;
+	unsigned long timeout = 0xFFFFFFFF;
+	volatile unsigned long *FB = (volatile unsigned long *)(0x20000000 + lOffset);
+	while(1) {
+		if(timeout < 0)
+			break;
+		u1 = *(volatile unsigned short *)FB;
+		u2 = *(volatile unsigned short *)FB;
+		if((u1 & 0x0040) == (u2 & 0x0040))
+			return FLASH_SUCCESS;
+		if((u2 & 0x0020) == 0x0000)
+			continue;
+		u1 = *(volatile unsigned short *)FB;
+		if((u2 & 0x0040) == (u1 & 0x0040))
+			return FLASH_SUCCESS;
+		else {
+			reset_flash();
+			return FLASH_FAIL;
+		}
+		timeout--;
+	}
+	printf("Time out occured \n");
+	if(timeout <0)	return FLASH_FAIL;
+}
+
+void reset_flash(void)
+{
+	write_flash(WRITESEQ1, RESET_VAL);
+	/* Wait for 10 micro seconds */
+	udelay(10);
+}
+
+int erase_flash(void)
+{
+	write_flash(WRITESEQ1, WRITEDATA1);
+	write_flash(WRITESEQ2, WRITEDATA2);
+	write_flash(WRITESEQ3, WRITEDATA3);
+	write_flash(WRITESEQ4, WRITEDATA4);
+	write_flash(WRITESEQ5, WRITEDATA5);
+	write_flash(WRITESEQ6, WRITEDATA6);
+
+	if(poll_toggle_bit(0x0000) < 0)
+		return FLASH_FAIL;
+
+	write_flash(SecFlashAOff + WRITESEQ1, WRITEDATA1);
+	write_flash(SecFlashAOff + WRITESEQ2, WRITEDATA2);
+	write_flash(SecFlashAOff + WRITESEQ3, WRITEDATA3);
+	write_flash(SecFlashAOff + WRITESEQ4, WRITEDATA4);
+	write_flash(SecFlashAOff + WRITESEQ5, WRITEDATA5);
+	write_flash(SecFlashAOff + WRITESEQ6, WRITEDATA6);
+
+	if(poll_toggle_bit(SecFlashASec1Off) < 0)
+		return FLASH_FAIL;
+
+	write_flash(PriFlashBOff + WRITESEQ1, WRITEDATA1);
+	write_flash(PriFlashBOff + WRITESEQ2, WRITEDATA2);
+	write_flash(PriFlashBOff + WRITESEQ3, WRITEDATA3);
+	write_flash(PriFlashBOff + WRITESEQ4, WRITEDATA4);
+	write_flash(PriFlashBOff + WRITESEQ5, WRITEDATA5);
+	write_flash(PriFlashBOff + WRITESEQ6, WRITEDATA6);
+
+	if(poll_toggle_bit(PriFlashBOff) <0)
+		return FLASH_FAIL;
+
+	write_flash(SecFlashBOff + WRITESEQ1, WRITEDATA1);
+	write_flash(SecFlashBOff + WRITESEQ2, WRITEDATA2);
+	write_flash(SecFlashBOff + WRITESEQ3, WRITEDATA3);
+	write_flash(SecFlashBOff + WRITESEQ4, WRITEDATA4);
+	write_flash(SecFlashBOff + WRITESEQ5, WRITEDATA5);
+	write_flash(SecFlashBOff + WRITESEQ6, WRITEDATA6);
+
+	if(poll_toggle_bit(SecFlashBOff) < 0)
+		return FLASH_FAIL;
+
+	return FLASH_SUCCESS;
+}
+
+int erase_block_flash(int nBlock, unsigned long address)
+{
+	long ulSectorOff = 0x0;
+
+	if ((nBlock < 0) || (nBlock > AFP_NumSectors))
+		return FALSE;
+
+	ulSectorOff = (address - CFG_FLASH_BASE);
+
+	write_flash((WRITESEQ1 | ulSectorOff), WRITEDATA1);
+	write_flash((WRITESEQ2 | ulSectorOff), WRITEDATA2);
+	write_flash((WRITESEQ3 | ulSectorOff), WRITEDATA3);
+	write_flash((WRITESEQ4 | ulSectorOff), WRITEDATA4);
+	write_flash((WRITESEQ5 | ulSectorOff), WRITEDATA5);
+
+	write_flash(ulSectorOff, BlockEraseVal);
+
+	if(poll_toggle_bit(ulSectorOff) < 0)
+		return FLASH_FAIL;
+
+	return FLASH_SUCCESS;
+}
+
+void unlock_flash(long ulOffset)
+{
+	unsigned long ulOffsetAddr = ulOffset;
+	ulOffsetAddr &= 0xFFFF0000;
+
+	write_flash((WRITESEQ1 | ulOffsetAddr), UNLOCKDATA1);
+	write_flash((WRITESEQ2 | ulOffsetAddr), UNLOCKDATA2);
+	write_flash((WRITESEQ3 | ulOffsetAddr), UNLOCKDATA3);
+}
+
+int get_codes()
+{
+	int dev_id = 0;
+
+	write_flash(WRITESEQ1, GETCODEDATA1);
+	write_flash(WRITESEQ2, GETCODEDATA2);
+	write_flash(WRITESEQ3, GETCODEDATA3);
+
+	read_flash(0x0002, &dev_id);
+	dev_id &= 0x00FF;
+
+	reset_flash();
+
+	return dev_id;
+}
+
+void get_sector_number(long ulOffset, int *pnSector)
+{
+	int nSector = 0;
+
+	if (ulOffset >= SecFlashAOff) {
+		if ((ulOffset < SecFlashASec1Off)
+			&& (ulOffset < SecFlashASec2Off)) {
+				nSector = SECT32;
+		} else if ((ulOffset >= SecFlashASec2Off)
+			&& (ulOffset < SecFlashASec3Off)) {
+				nSector = SECT33;
+		} else if ((ulOffset >= SecFlashASec3Off)
+			&& (ulOffset < SecFlashASec4Off)) {
+				nSector = SECT34;
+		} else if ((ulOffset >= SecFlashASec4Off)
+			&& (ulOffset < SecFlashAEndOff)) {
+				nSector = SECT35;
+		}
+	} else if (ulOffset >= SecFlashBOff) {
+		if ((ulOffset < SecFlashBSec1Off)
+			&& (ulOffset < SecFlashBSec2Off)) {
+				nSector = SECT36;
+		}
+		if ((ulOffset < SecFlashBSec2Off)
+			&& (ulOffset < SecFlashBSec3Off)) {
+				nSector = SECT37;
+		}
+		if ((ulOffset < SecFlashBSec3Off)
+			&& (ulOffset < SecFlashBSec4Off)) {
+				nSector = SECT38;
+		}
+		if ((ulOffset < SecFlashBSec4Off)
+			&& (ulOffset < SecFlashBEndOff)) {
+				nSector = SECT39;
+		}
+	} else if ((ulOffset >= PriFlashAOff) && (ulOffset < SecFlashAOff)) {
+		nSector = ulOffset & 0xffff0000;
+		nSector = ulOffset >> 16;
+		nSector = nSector & 0x000ff;
+	}
+
+	if ((nSector >= 0) && (nSector < AFP_NumSectors)) {
+		*pnSector = nSector;
+	}
+}
diff --git a/board/ezkit533/psd4256.h b/board/ezkit533/psd4256.h
new file mode 100644
index 0000000..01f6566
--- /dev/null
+++ b/board/ezkit533/psd4256.h
@@ -0,0 +1,67 @@
+/*
+ * U-boot - psd4256.h
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * (C) Copyright 2000-2004
+ * 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
+ */
+
+/*
+ * Flash A/B Port A configuration registers.
+ * Addresses are offset values to CFG_FLASH1_BASE
+ * for Flash A and CFG_FLASH2_BASE for Flash B.
+ */
+
+#define	PSD_PORTA_DIN	0x070000
+#define	PSD_PORTA_DOUT	0x070004
+#define	PSD_PORTA_DIR	0x070006
+
+/*
+ * Flash A/B Port B configuration registers
+ * Addresses are offset values to CFG_FLASH1_BASE
+ * for Flash A and CFG_FLASH2_BASE for Flash B.
+ */
+
+#define	PSD_PORTB_DIN	0x070001
+#define	PSD_PORTB_DOUT	0x070005
+#define	PSD_PORTB_DIR	0x070007
+
+/*
+ * Flash A Port A Bit definitions
+ */
+
+#define	PSDA_PPICLK1	0x20		/* PPI Clock select bit 1		*/
+#define	PSDA_PPICLK0	0x10		/* PPI Clock select bit 0		*/
+#define	PSDA_VDEC_RST	0x08		/* Video decoder reset, 0 = RESET	*/
+#define	PSDA_VENC_RST	0x04		/* Video encoder reset, 0 = RESET	*/
+#define	PSDA_CODEC_RST	0x01		/* Codec reset, 0 = RESET		*/
+
+/*
+ * Flash A Port B Bit definitions
+ */
+
+#define	PSDA_LED9	0x20		/* LED 9, 1 = LED ON			*/
+#define	PSDA_LED8	0x10		/* LED 8, 1 = LED ON			*/
+#define	PSDA_LED7	0x08		/* LED 7, 1 = LED ON			*/
+#define	PSDA_LED6	0x04		/* LED 6, 1 = LED ON			*/
+#define	PSDA_LED5	0x02		/* LED 5, 1 = LED ON			*/
+#define	PSDA_LED4	0x01		/* LED 4, 1 = LED ON			*/
diff --git a/board/ezkit533/u-boot.lds b/board/ezkit533/u-boot.lds
new file mode 100644
index 0000000..10203ff
--- /dev/null
+++ b/board/ezkit533/u-boot.lds
@@ -0,0 +1,148 @@
+/*
+ * U-boot - u-boot.lds
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * (C) Copyright 2000-2004
+ * 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(bfin)
+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 before the environment sector. If it throws 	*/
+    /* an error during compilation remove an object here to get	*/
+    /* it linked after the configuration sector.		*/
+
+    cpu/bf533/start.o		(.text)
+    cpu/bf533/start1.o		(.text)
+    cpu/bf533/traps.o		(.text)
+    cpu/bf533/interrupt.o	(.text)
+    cpu/bf533/serial.o		(.text)
+    common/dlmalloc.o		(.text)
+    lib_generic/vsprintf.o	(.text)
+    lib_generic/crc32.o		(.text)
+    lib_generic/zlib.o		(.text)
+    board/ezkit533/ezkit533.o		(.text)
+
+    . = DEFINED(env_offset) ? env_offset : .;
+    common/environment.o	(.text)
+
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x00FF) & 0xFFFFFF00;
+  _erotext = .;
+  PROVIDE (erotext = .);
+  .reloc   :
+  {
+    *(.got)
+    _GOT2_TABLE_ = .;
+    *(.got2)
+    _FIXUP_TABLE_ = .;
+    *(.fixup)
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+  __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+  .data    :
+  {
+    *(.data)
+    *(.data1)
+    *(.sdata)
+    *(.sdata2)
+    *(.dynamic)
+    CONSTRUCTORS
+  }
+  _edata  =  .;
+  PROVIDE (edata = .);
+
+  __u_boot_cmd_start = .;
+  .u_boot_cmd : { *(.u_boot_cmd) }
+  __u_boot_cmd_end = .;
+
+
+  __start___ex_table = .;
+  __ex_table : { *(__ex_table) }
+  __stop___ex_table = .;
+
+  . = ALIGN(256);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(256);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}