Merge with rsync://git-user@source.denx.net/git/u-boot.git

1 files changed, 0 insertions, 743 deletions

diff --git a/board/ebony/flash.c b/board/ebony/flash.c
deleted file mode 100644
index d8b4757..0000000
--- a/board/ebony/flash.c
+++ /dev/null
@@ -1,743 +0,0 @@
-/*
- * (C) Copyright 2002
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2002 Jun Gu <jung@artesyncp.com>
- * Add support for Am29F016D and dynamic switch setting.
- *
- * 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
- */
-
-/*
- * Modified 4/5/2001
- * Wait for completion of each sector erase command issued
- * 4/5/2001
- * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
- */
-
-#include <common.h>
-#include <ppc4xx.h>
-#include <asm/processor.h>
-
-
-#undef DEBUG
-#ifdef DEBUG
-#define DEBUGF(x...) printf(x)
-#else
-#define DEBUGF(x...)
-#endif /* DEBUG */
-
-#define     BOOT_SMALL_FLASH        32              /* 00100000 */
-#define     FLASH_ONBD_N            2               /* 00000010 */
-#define     FLASH_SRAM_SEL          1               /* 00000001 */
-
-#define     BOOT_SMALL_FLASH_VAL    4
-#define     FLASH_ONBD_N_VAL        2
-#define     FLASH_SRAM_SEL_VAL      1
-
-
-flash_info_t	flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips	*/
-
-static  unsigned    long    flash_addr_table[8][CFG_MAX_FLASH_BANKS] = {
-	{0xffc00000, 0xffe00000, 0xff880000},   /* 0:000: configuraton 3 */
-	{0xffc00000, 0xffe00000, 0xff800000},   /* 1:001: configuraton 4 */
-	{0xffc00000, 0xffe00000, 0x00000000},   /* 2:010: configuraton 7 */
-	{0xffc00000, 0xffe00000, 0x00000000},   /* 3:011: configuraton 8 */
-	{0xff800000, 0xffa00000, 0xfff80000},   /* 4:100: configuraton 1 */
-	{0xff800000, 0xffa00000, 0xfff00000},   /* 5:101: configuraton 2 */
-	{0xffc00000, 0xffe00000, 0x00000000},   /* 6:110: configuraton 5 */
-	{0xffc00000, 0xffe00000, 0x00000000}    /* 7:111: configuraton 6 */
-};
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-static ulong flash_get_size (vu_long *addr, flash_info_t *info);
-static int write_word (flash_info_t *info, ulong dest, ulong data);
-#if 0
-static void flash_get_offsets (ulong base, flash_info_t *info);
-#endif
-
-#ifdef CONFIG_ADCIOP
-#define ADDR0           0x0aa9
-#define ADDR1           0x0556
-#define FLASH_WORD_SIZE unsigned char
-#endif
-
-#ifdef CONFIG_CPCI405
-#define ADDR0           0x5555
-#define ADDR1           0x2aaa
-#define FLASH_WORD_SIZE unsigned short
-#endif
-
-#ifdef CONFIG_WALNUT405
-#define ADDR0           0x5555
-#define ADDR1           0x2aaa
-#define FLASH_WORD_SIZE unsigned char
-#endif
-
-#ifdef CONFIG_EBONY
-#define ADDR0           0x5555
-#define ADDR1           0x2aaa
-#define FLASH_WORD_SIZE unsigned char
-#endif
-
-/*-----------------------------------------------------------------------
- */
-
-unsigned long flash_init (void) {
-	unsigned long total_b = 0;
-	unsigned long size_b[CFG_MAX_FLASH_BANKS];
-	unsigned char * fpga_base = (unsigned char *)CFG_FPGA_BASE;
-	unsigned char switch_status;
-	unsigned short index = 0;
-	int i;
-
-
-	/* read FPGA base register FPGA_REG0 */
-	switch_status = *fpga_base;
-
-	/* check the bitmap of switch status */
-	if (switch_status & BOOT_SMALL_FLASH) {
-		index += BOOT_SMALL_FLASH_VAL;
-	}
-	if (switch_status & FLASH_ONBD_N) {
-		index += FLASH_ONBD_N_VAL;
-	}
-	if (switch_status & FLASH_SRAM_SEL) {
-		index += FLASH_SRAM_SEL_VAL;
-	}
-
-    DEBUGF("\n");
-	DEBUGF("FLASH: Index: %d\n", index);
-
-	/* Init: no FLASHes known */
-	for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
-		flash_info[i].flash_id = FLASH_UNKNOWN;
-		flash_info[i].sector_count = -1;
-		flash_info[i].size = 0;
-
-		/* check whether the address is 0 */
-		if (flash_addr_table[index][i] == 0) {
-			continue;
-		}
-
-		/* call flash_get_size() to initialize sector address */
-		size_b[i] = flash_get_size(
-			(vu_long *)flash_addr_table[index][i], &flash_info[i]);
-		flash_info[i].size = size_b[i];
-		if (flash_info[i].flash_id == FLASH_UNKNOWN) {
-			printf ("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",
-				i, size_b[i], size_b[i]<<20);
-			flash_info[i].sector_count = -1;
-			flash_info[i].size = 0;
-		}
-
-		total_b += flash_info[i].size;
-	}
-
-	return total_b;
-}
-
-
-/*-----------------------------------------------------------------------
- */
-#if 0
-static void flash_get_offsets (ulong base, flash_info_t *info)
-{
-	int i;
-
-	/* set up sector start address table */
-	if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
-	    (info->flash_id  == FLASH_AM040) ||
-	    (info->flash_id  == FLASH_AMD016)) {
-		for (i = 0; i < info->sector_count; i++)
-			info->start[i] = base + (i * 0x00010000);
-	} else {
-		if (info->flash_id & FLASH_BTYPE) {
-			/* set sector offsets for bottom boot block type	*/
-			info->start[0] = base + 0x00000000;
-			info->start[1] = base + 0x00004000;
-			info->start[2] = base + 0x00006000;
-			info->start[3] = base + 0x00008000;
-			for (i = 4; i < info->sector_count; i++) {
-				info->start[i] = base + (i * 0x00010000) - 0x00030000;
-			}
-		} else {
-			/* set sector offsets for top boot block type		*/
-			i = info->sector_count - 1;
-			info->start[i--] = base + info->size - 0x00004000;
-			info->start[i--] = base + info->size - 0x00006000;
-			info->start[i--] = base + info->size - 0x00008000;
-			for (; i >= 0; i--) {
-				info->start[i] = base + i * 0x00010000;
-			}
-		}
-	}
-}
-#endif /* 0 */
-
-/*-----------------------------------------------------------------------
- */
-void flash_print_info  (flash_info_t *info)
-{
-	int i;
-	int k;
-	int size;
-	int erased;
-	volatile unsigned long *flash;
-
-	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;
-	case FLASH_MAN_FUJ:	printf ("FUJITSU ");		break;
-	case FLASH_MAN_SST:	printf ("SST ");		break;
-	default:		printf ("Unknown Vendor ");	break;
-	}
-
-	switch (info->flash_id & FLASH_TYPEMASK) {
-	case FLASH_AMD016:	printf ("AM29F016D (16 Mbit, uniform sector size)\n");
-		break;
-	case FLASH_AM040:	printf ("AM29F040 (512 Kbit, uniform sector size)\n");
-		break;
-	case FLASH_AM400B:	printf ("AM29LV400B (4 Mbit, bottom boot sect)\n");
-		break;
-	case FLASH_AM400T:	printf ("AM29LV400T (4 Mbit, top boot sector)\n");
-		break;
-	case FLASH_AM800B:	printf ("AM29LV800B (8 Mbit, bottom boot sect)\n");
-		break;
-	case FLASH_AM800T:	printf ("AM29LV800T (8 Mbit, top boot sector)\n");
-		break;
-	case FLASH_AM160B:	printf ("AM29LV160B (16 Mbit, bottom boot sect)\n");
-		break;
-	case FLASH_AM160T:	printf ("AM29LV160T (16 Mbit, top boot sector)\n");
-		break;
-	case FLASH_AM320B:	printf ("AM29LV320B (32 Mbit, bottom boot sect)\n");
-		break;
-	case FLASH_AM320T:	printf ("AM29LV320T (32 Mbit, top boot sector)\n");
-		break;
-	case FLASH_SST800A:	printf ("SST39LF/VF800 (8 Mbit, uniform sector size)\n");
-		break;
-	case FLASH_SST160A:	printf ("SST39LF/VF160 (16 Mbit, uniform sector size)\n");
-		break;
-	default:		printf ("Unknown Chip Type\n");
-		break;
-	}
-
-	printf ("  Size: %ld KB in %d Sectors\n",
-		info->size >> 10, info->sector_count);
-
-	printf ("  Sector Start Addresses:");
-	for (i=0; i<info->sector_count; ++i) {
-		/*
-		 * Check if whole sector is erased
-		 */
-		if (i != (info->sector_count-1))
-			size = info->start[i+1] - info->start[i];
-		else
-			size = info->start[0] + info->size - info->start[i];
-		erased = 1;
-		flash = (volatile unsigned long *)info->start[i];
-		size = size >> 2;        /* divide by 4 for longword access */
-		for (k=0; k<size; k++)
-		{
-			if (*flash++ != 0xffffffff)
-			{
-				erased = 0;
-				break;
-			}
-		}
-
-		if ((i % 5) == 0)
-			printf ("\n   ");
-			printf (" %08lX%s%s",
-				info->start[i],
-				erased ? " E" : "  ",
-				info->protect[i] ? "RO " : "   "
-				);
-			}
-		printf ("\n");
-		return;
-	}
-
-/*-----------------------------------------------------------------------
- */
-
-
-/*-----------------------------------------------------------------------
- */
-
-/*
- * The following code cannot be run from FLASH!
- */
-	static ulong flash_get_size (vu_long *addr, flash_info_t *info)
-		{
-			short i;
-			FLASH_WORD_SIZE value;
-			ulong base = (ulong)addr;
-			volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)addr;
-
-	    DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr );
-
-			/* Write auto select command: read Manufacturer ID */
-	    udelay(10000);
-			addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
-	    udelay(1000);
-			addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
-	    udelay(1000);
-			addr2[ADDR0] = (FLASH_WORD_SIZE)0x00900090;
-	    udelay(1000);
-
-#ifdef CONFIG_ADCIOP
-			value = addr2[2];
-#else
-			value = addr2[0];
-#endif
-
-			DEBUGF("FLASH MANUFACT: %x\n", value);
-
-			switch (value) {
-			case (FLASH_WORD_SIZE)AMD_MANUFACT:
-				info->flash_id = FLASH_MAN_AMD;
-				break;
-			case (FLASH_WORD_SIZE)FUJ_MANUFACT:
-				info->flash_id = FLASH_MAN_FUJ;
-				break;
-			case (FLASH_WORD_SIZE)SST_MANUFACT:
-				info->flash_id = FLASH_MAN_SST;
-				break;
-			case (FLASH_WORD_SIZE)STM_MANUFACT:
-				info->flash_id = FLASH_MAN_STM;
-				break;
-			default:
-				info->flash_id = FLASH_UNKNOWN;
-				info->sector_count = 0;
-				info->size = 0;
-				return (0);			/* no or unknown flash	*/
-			}
-
-#ifdef CONFIG_ADCIOP
-			value = addr2[0];			/* device ID		*/
-			debug ("\ndev_code=%x\n", value);
-#else
-			value = addr2[1];			/* device ID		*/
-#endif
-
-			DEBUGF("\nFLASH DEVICEID: %x\n", value);
-
-			switch (value) {
-			case (FLASH_WORD_SIZE)AMD_ID_F016D:
-				info->flash_id += FLASH_AMD016;
-				info->sector_count = 32;
-				info->size = 0x00200000;
-				break;				/* => 2 MB		*/
-			case (FLASH_WORD_SIZE)STM_ID_F040B:
-				info->flash_id += FLASH_AM040;
-				info->sector_count = 8;
-				info->size = 0x0080000; /* => 512 ko */
-				break;
-			case (FLASH_WORD_SIZE)AMD_ID_F040B:
-				info->flash_id += FLASH_AM040;
-				info->sector_count = 8;
-				info->size = 0x0080000; /* => 512 ko */
-				break;
-			case (FLASH_WORD_SIZE)AMD_ID_LV400T:
-				info->flash_id += FLASH_AM400T;
-				info->sector_count = 11;
-				info->size = 0x00080000;
-				break;				/* => 0.5 MB		*/
-
-			case (FLASH_WORD_SIZE)AMD_ID_LV400B:
-				info->flash_id += FLASH_AM400B;
-				info->sector_count = 11;
-				info->size = 0x00080000;
-				break;				/* => 0.5 MB		*/
-
-			case (FLASH_WORD_SIZE)AMD_ID_LV800T:
-				info->flash_id += FLASH_AM800T;
-				info->sector_count = 19;
-				info->size = 0x00100000;
-				break;				/* => 1 MB		*/
-
-			case (FLASH_WORD_SIZE)AMD_ID_LV800B:
-				info->flash_id += FLASH_AM800B;
-				info->sector_count = 19;
-				info->size = 0x00100000;
-				break;				/* => 1 MB		*/
-
-			case (FLASH_WORD_SIZE)AMD_ID_LV160T:
-				info->flash_id += FLASH_AM160T;
-				info->sector_count = 35;
-				info->size = 0x00200000;
-				break;				/* => 2 MB		*/
-
-			case (FLASH_WORD_SIZE)AMD_ID_LV160B:
-				info->flash_id += FLASH_AM160B;
-				info->sector_count = 35;
-				info->size = 0x00200000;
-				break;				/* => 2 MB		*/
-#if 0	/* enable when device IDs are available */
-			case (FLASH_WORD_SIZE)AMD_ID_LV320T:
-				info->flash_id += FLASH_AM320T;
-				info->sector_count = 67;
-				info->size = 0x00400000;
-				break;				/* => 4 MB		*/
-
-			case (FLASH_WORD_SIZE)AMD_ID_LV320B:
-				info->flash_id += FLASH_AM320B;
-				info->sector_count = 67;
-				info->size = 0x00400000;
-				break;				/* => 4 MB		*/
-#endif
-			case (FLASH_WORD_SIZE)SST_ID_xF800A:
-				info->flash_id += FLASH_SST800A;
-				info->sector_count = 16;
-				info->size = 0x00100000;
-				break;				/* => 1 MB		*/
-
-			case (FLASH_WORD_SIZE)SST_ID_xF160A:
-				info->flash_id += FLASH_SST160A;
-				info->sector_count = 32;
-				info->size = 0x00200000;
-				break;				/* => 2 MB		*/
-
-			default:
-				info->flash_id = FLASH_UNKNOWN;
-				return (0);			/* => no or unknown flash */
-
-			}
-
-			/* set up sector start address table */
-			if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
-			    (info->flash_id  == FLASH_AM040) ||
-			    (info->flash_id  == FLASH_AMD016)) {
-				for (i = 0; i < info->sector_count; i++)
-					info->start[i] = base + (i * 0x00010000);
-			} else {
-				if (info->flash_id & FLASH_BTYPE) {
-					/* set sector offsets for bottom boot block type	*/
-					info->start[0] = base + 0x00000000;
-					info->start[1] = base + 0x00004000;
-					info->start[2] = base + 0x00006000;
-					info->start[3] = base + 0x00008000;
-					for (i = 4; i < info->sector_count; i++) {
-						info->start[i] = base + (i * 0x00010000) - 0x00030000;
-					}
-				} else {
-					/* set sector offsets for top boot block type		*/
-					i = info->sector_count - 1;
-					info->start[i--] = base + info->size - 0x00004000;
-					info->start[i--] = base + info->size - 0x00006000;
-					info->start[i--] = base + info->size - 0x00008000;
-					for (; i >= 0; i--) {
-						info->start[i] = base + i * 0x00010000;
-					}
-				}
-			}
-
-			/* check for protected sectors */
-			for (i = 0; i < info->sector_count; i++) {
-				/* read sector protection at sector address, (A7 .. A0) = 0x02 */
-				/* D0 = 1 if protected */
-#ifdef CONFIG_ADCIOP
-				addr2 = (volatile FLASH_WORD_SIZE *)(info->start[i]);
-				info->protect[i] = addr2[4] & 1;
-#else
-				addr2 = (volatile FLASH_WORD_SIZE *)(info->start[i]);
-				if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
-					info->protect[i] = 0;
-				else
-					info->protect[i] = addr2[2] & 1;
-#endif
-			}
-
-			/*
-			 * Prevent writes to uninitialized FLASH.
-			 */
-			if (info->flash_id != FLASH_UNKNOWN) {
-#if 0 /* test-only */
-#ifdef CONFIG_ADCIOP
-				addr2 = (volatile unsigned char *)info->start[0];
-				addr2[ADDR0] = 0xAA;
-				addr2[ADDR1] = 0x55;
-				addr2[ADDR0] = 0xF0;  /* reset bank */
-#else
-				addr2 = (FLASH_WORD_SIZE *)info->start[0];
-				*addr2 = (FLASH_WORD_SIZE)0x00F000F0;	/* reset bank */
-#endif
-#else /* test-only */
-				addr2 = (FLASH_WORD_SIZE *)info->start[0];
-				*addr2 = (FLASH_WORD_SIZE)0x00F000F0;	/* reset bank */
-#endif /* test-only */
-			}
-
-			return (info->size);
-		}
-
-	int wait_for_DQ7(flash_info_t *info, int sect)
-		{
-			ulong start, now, last;
-			volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[sect]);
-
-			start = get_timer (0);
-			last  = start;
-			while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (FLASH_WORD_SIZE)0x00800080) {
-				if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
-					printf ("Timeout\n");
-					return -1;
-				}
-				/* show that we're waiting */
-				if ((now - last) > 1000) {  /* every second */
-					putc ('.');
-					last = now;
-				}
-			}
-			return 0;
-		}
-
-/*-----------------------------------------------------------------------
- */
-
-	int	flash_erase (flash_info_t *info, int s_first, int s_last)
-		{
-			volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[0]);
-			volatile FLASH_WORD_SIZE *addr2;
-			int flag, prot, sect, l_sect;
-			int i;
-
-			if ((s_first < 0) || (s_first > s_last)) {
-				if (info->flash_id == FLASH_UNKNOWN) {
-					printf ("- missing\n");
-				} else {
-					printf ("- no sectors to erase\n");
-				}
-				return 1;
-			}
-
-			if (info->flash_id == FLASH_UNKNOWN) {
-				printf ("Can't erase unknown flash type - aborted\n");
-				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");
-			}
-
-			l_sect = -1;
-
-			/* 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 */
-					addr2 = (FLASH_WORD_SIZE *)(info->start[sect]);
-					printf("Erasing sector %p\n", addr2);
-
-					if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
-						addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
-						addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
-						addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080;
-						addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
-						addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
-						addr2[0] = (FLASH_WORD_SIZE)0x00500050;  /* block erase */
-						for (i=0; i<50; i++)
-							udelay(1000);  /* wait 1 ms */
-					} else {
-						addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
-						addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
-						addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080;
-						addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
-						addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
-						addr2[0] = (FLASH_WORD_SIZE)0x00300030;  /* sector erase */
-					}
-					l_sect = sect;
-					/*
-					 * Wait for each sector to complete, it's more
-					 * reliable.  According to AMD Spec, you must
-					 * issue all erase commands within a specified
-					 * timeout.  This has been seen to fail, especially
-					 * if printf()s are included (for debug)!!
-					 */
-					wait_for_DQ7(info, sect);
-				}
-			}
-
-			/* re-enable interrupts if necessary */
-			if (flag)
-				enable_interrupts();
-
-			/* wait at least 80us - let's wait 1 ms */
-			udelay (1000);
-
-#if 0
-			/*
-			 * We wait for the last triggered sector
-			 */
-			if (l_sect < 0)
-				goto DONE;
-			wait_for_DQ7(info, l_sect);
-
-		DONE:
-#endif
-			/* reset to read mode */
-			addr = (FLASH_WORD_SIZE *)info->start[0];
-			addr[0] = (FLASH_WORD_SIZE)0x00F000F0;	/* reset bank */
-
-			printf (" done\n");
-			return 0;
-		}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-
-	int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
-		{
-			ulong cp, wp, data;
-			int i, l, rc;
-
-			wp = (addr & ~3);	/* get lower word aligned address */
-
-			/*
-			 * handle unaligned start bytes
-			 */
-			if ((l = addr - wp) != 0) {
-				data = 0;
-				for (i=0, cp=wp; i<l; ++i, ++cp) {
-					data = (data << 8) | (*(uchar *)cp);
-				}
-				for (; i<4 && cnt>0; ++i) {
-					data = (data << 8) | *src++;
-					--cnt;
-					++cp;
-				}
-				for (; cnt==0 && i<4; ++i, ++cp) {
-					data = (data << 8) | (*(uchar *)cp);
-				}
-
-				if ((rc = write_word(info, wp, data)) != 0) {
-					return (rc);
-				}
-				wp += 4;
-			}
-
-			/*
-			 * handle word aligned part
-			 */
-			while (cnt >= 4) {
-				data = 0;
-				for (i=0; i<4; ++i) {
-					data = (data << 8) | *src++;
-				}
-				if ((rc = write_word(info, wp, data)) != 0) {
-					return (rc);
-				}
-				wp  += 4;
-				cnt -= 4;
-			}
-
-			if (cnt == 0) {
-				return (0);
-			}
-
-			/*
-			 * handle unaligned tail bytes
-			 */
-			data = 0;
-			for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
-				data = (data << 8) | *src++;
-				--cnt;
-			}
-			for (; i<4; ++i, ++cp) {
-				data = (data << 8) | (*(uchar *)cp);
-			}
-
-			return (write_word(info, wp, data));
-		}
-
-/*-----------------------------------------------------------------------
- * Write a word to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-	static int write_word (flash_info_t * info, ulong dest, ulong data)
-		{
-			volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *) (info->start[0]);
-			volatile FLASH_WORD_SIZE *dest2 = (FLASH_WORD_SIZE *) dest;
-			volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *) & data;
-			ulong start;
-			int i;
-
-			/* Check if Flash is (sufficiently) erased */
-			if ((*((volatile FLASH_WORD_SIZE *) dest) &
-			     (FLASH_WORD_SIZE) data) != (FLASH_WORD_SIZE) data) {
-				return (2);
-			}
-
-			for (i = 0; i < 4 / sizeof (FLASH_WORD_SIZE); i++) {
-				int flag;
-
-				/* Disable interrupts which might cause a timeout here */
-				flag = disable_interrupts ();
-
-				addr2[ADDR0] = (FLASH_WORD_SIZE) 0x00AA00AA;
-				addr2[ADDR1] = (FLASH_WORD_SIZE) 0x00550055;
-				addr2[ADDR0] = (FLASH_WORD_SIZE) 0x00A000A0;
-
-				dest2[i] = data2[i];
-
-				/* re-enable interrupts if necessary */
-				if (flag)
-					enable_interrupts ();
-
-				/* data polling for D7 */
-				start = get_timer (0);
-				while ((dest2[i] & (FLASH_WORD_SIZE) 0x00800080) !=
-				       (data2[i] & (FLASH_WORD_SIZE) 0x00800080)) {
-
-					if (get_timer (start) > CFG_FLASH_WRITE_TOUT) {
-						return (1);
-					}
-				}
-			}
-
-			return (0);
-		}
-
-/*-----------------------------------------------------------------------
- */