* Patch by Klaus Heydeck, 13 Mar 2003:

  Add support for KUP4X Board

1 files changed, 0 insertions, 515 deletions

diff --git a/board/kup4k/flash.c b/board/kup4k/flash.c
deleted file mode 100644
index 619ccb9..0000000
--- a/board/kup4k/flash.c
+++ /dev/null
@@ -1,515 +0,0 @@
-/*
- * (C) Copyright 2000-2002
- * 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 <common.h>
-#include <mpc8xx.h>
-
-#ifndef	CFG_ENV_ADDR
-#define CFG_ENV_ADDR	(CFG_FLASH_BASE + CFG_ENV_OFFSET)
-#endif
-
-#define CONFIG_FLASH_16BIT
-
-flash_info_t	flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips	*/
-
-/*-----------------------------------------------------------------------
- * 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);
-
-/*-----------------------------------------------------------------------
- */
-
-unsigned long flash_init (void)
-{
-	volatile immap_t     *immap  = (immap_t *)CFG_IMMR;
-	volatile memctl8xx_t *memctl = &immap->im_memctl;
-	unsigned long size_b0;
-	int i;
-
-	/* Init: no FLASHes known */
-	for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
-		flash_info[i].flash_id = FLASH_UNKNOWN;
-	}
-
-	/* Static FLASH Bank configuration here - FIXME XXX */
-
-	size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]);
-
-	if (flash_info[0].flash_id == FLASH_UNKNOWN) {
-		printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
-			size_b0, size_b0<<20);
-	}
-
-
-	/* Remap FLASH according to real size */
-	memctl->memc_or0 = CFG_OR_TIMING_FLASH | (-size_b0 & OR_AM_MSK);
-	memctl->memc_br0 = (CFG_FLASH_BASE & BR_BA_MSK) | BR_MS_GPCM | BR_V | BR_PS_16;
-
-	/* Re-do sizing to get full correct info */
-	size_b0 = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
-
-#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_info[0]);
-#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_info[0]);
-#endif
-
-	flash_info[0].size = size_b0;
-
-	return (size_b0);
-}
-
-/*-----------------------------------------------------------------------
- */
-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_AMD:	printf ("AMD ");		break;
-	case FLASH_MAN_FUJ:	printf ("FUJITSU ");		break;
-	default:		printf ("Unknown Vendor ");	break;
-	}
-
-	switch (info->flash_id & FLASH_TYPEMASK) {
-	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;
-	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 (vu_long *addr, flash_info_t *info)
-{
-	short i;
-	ulong value;
-	ulong base = (ulong)addr;
-
-	/* Write auto select command: read Manufacturer ID */
-	vu_short *s_addr=(vu_short*)addr;
-	s_addr[0x5555] = 0x00AA;
-	s_addr[0x2AAA] = 0x0055;
-	s_addr[0x5555] = 0x0090;
-
-	value = s_addr[0];
-	value = value|(value<<16);
-
-	switch (value) {
-	case AMD_MANUFACT:
-		info->flash_id = FLASH_MAN_AMD;
-		break;
-	case FUJ_MANUFACT:
-		info->flash_id = FLASH_MAN_FUJ;
-		break;
-	default:
-		info->flash_id = FLASH_UNKNOWN;
-		info->sector_count = 0;
-		info->size = 0;
-		return (0);			/* no or unknown flash	*/
-	}
-
-	value = s_addr[1];
-	value = value|(value<<16);
-
-		switch (value) {
-	case FUJI_ID_29F800BA:
-		info->flash_id += FLASH_AM400T;
-		info->sector_count = 19;
-		info->size = 0x00100000;
-		break;				/* => 1 MB		*/
-	case AMD_ID_LV800T:
-		info->flash_id += FLASH_AM800T;
-		info->sector_count = 19;
-		info->size = 0x00200000;
-		break;				/* => 2 MB		*/
-	case AMD_ID_LV800B:
-		info->flash_id += FLASH_AM800B;
-		info->sector_count = 19;
-		info->size = 0x00200000;
-		break;				/* => 2 MB		*/
-	default:
-		info->flash_id = FLASH_UNKNOWN;
-		return (0);			/* => no or unknown flash */
-	}
-
-	/* set up sector start address table */
-	/* 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;
-	}
-
-
-	/* 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 */
-		s_addr = (volatile unsigned short *)(info->start[i]);
-		info->protect[i] = s_addr[2] & 1;
-	}
-
-	/*
-	 * Prevent writes to uninitialized FLASH.
-	 */
-	if (info->flash_id != FLASH_UNKNOWN) {
-		s_addr = (volatile unsigned short *)info->start[0];
-		*s_addr = 0x00F0;	/* reset bank */
-	}
-	return (info->size);
-}
-
-
-/*-----------------------------------------------------------------------
- */
-
-
-int	flash_erase (flash_info_t *info, int s_first, int s_last)
-{
-	vu_long *addr = (vu_long*)(info->start[0]);
-	int flag, prot, sect;
-	ulong start, now, last;
-#ifdef CONFIG_FLASH_16BIT
-	vu_short *s_addr = (vu_short*)addr;
-#endif
-
-	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;
-	}
-/*#ifndef CONFIG_FLASH_16BIT
-	ulong type;
-	type = (info->flash_id & FLASH_VENDMASK);
-	if ((type != FLASH_MAN_SST) && (type != FLASH_MAN_STM)) {
-		printf ("Can't erase unknown flash type %08lx - aborted\n",
-			info->flash_id);
-		return;
-	}
-#endif*/
-	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;
-	/* Start erase on unprotected sectors */
-	for (sect = s_first; sect<=s_last; sect++) {
-		if (info->protect[sect] == 0) {	/* not protected */
-#ifdef CONFIG_FLASH_16BIT
-			vu_short *s_sect_addr = (vu_short*)(info->start[sect]);
-#else
-			vu_long	*sect_addr = (vu_long*)(info->start[sect]);
-#endif
-			/* Disable interrupts which might cause a timeout here */
-			flag = disable_interrupts();
-
-#ifdef CONFIG_FLASH_16BIT
-
-			/*printf("\ns_sect_addr=%x",s_sect_addr);*/
-			s_addr[0x5555] = 0x00AA;
-			s_addr[0x2AAA] = 0x0055;
-			s_addr[0x5555] = 0x0080;
-			s_addr[0x5555] = 0x00AA;
-			s_addr[0x2AAA] = 0x0055;
-			s_sect_addr[0] = 0x0030;
-#else
-			addr[0x5555] = 0x00AA00AA;
-			addr[0x2AAA] = 0x00550055;
-			addr[0x5555] = 0x00800080;
-			addr[0x5555] = 0x00AA00AA;
-			addr[0x2AAA] = 0x00550055;
-			sect_addr[0] = 0x00300030;
-#endif
-			/* re-enable interrupts if necessary */
-			if (flag)
-				enable_interrupts();
-
-			/* wait at least 80us - let's wait 1 ms */
-			udelay (1000);
-
-#ifdef CONFIG_FLASH_16BIT
-			while ((s_sect_addr[0] & 0x0080) != 0x0080) {
-#else
-			while ((sect_addr[0] & 0x00800080) != 0x00800080) {
-#endif
-				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;
-				}
-			}
-		}
-	}
-
-	/* reset to read mode */
-	addr = (volatile unsigned long *)info->start[0];
-#ifdef CONFIG_FLASH_16BIT
-	s_addr[0] = 0x00F0;	/* reset bank */
-#else
-	addr[0] = 0x00F000F0;	/* reset bank */
-#endif
-
-	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)
-{
-	vu_long *addr = (vu_long*)(info->start[0]);
-
-#ifdef CONFIG_FLASH_16BIT
-	vu_short high_data;
-	vu_short low_data;
-	vu_short *s_addr = (vu_short*)addr;
-#endif
-	ulong start;
-	int flag;
-
-	/* Check if Flash is (sufficiently) erased */
-	if ((*((vu_long *)dest) & data) != data) {
-		return (2);
-	}
-
-#ifdef CONFIG_FLASH_16BIT
-	/* Write the 16 higher-bits */
-	/* Disable interrupts which might cause a timeout here */
-	flag = disable_interrupts();
-
-	high_data = ((data>>16) & 0x0000ffff);
-
-	s_addr[0x5555] = 0x00AA;
-	s_addr[0x2AAA] = 0x0055;
-	s_addr[0x5555] = 0x00A0;
-
-	*((vu_short *)dest) = high_data;
-
-
-	/* re-enable interrupts if necessary */
-	if (flag)
-		enable_interrupts();
-
-	/* data polling for D7 */
-	start = get_timer (0);
-	while ((*((vu_short *)dest) & 0x0080) != (high_data & 0x0080)) {
-		if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
-			return (1);
-		}
-	}
-
-
-	/* Write the 16 lower-bits */
-#endif
-
-	/* Disable interrupts which might cause a timeout here */
-	flag = disable_interrupts();
-#ifdef CONFIG_FLASH_16BIT
-	dest += 0x2;
-	low_data = (data & 0x0000ffff);
-
-	s_addr[0x5555] = 0x00AA;
-	s_addr[0x2AAA] = 0x0055;
-	s_addr[0x5555] = 0x00A0;
-	*((vu_short *)dest) = low_data;
-
-#else
-	addr[0x5555] = 0x00AA00AA;
-	addr[0x2AAA] = 0x00550055;
-	addr[0x5555] = 0x00A000A0;
-	*((vu_long *)dest) = data;
-#endif
-
-	/* re-enable interrupts if necessary */
-	if (flag)
-		enable_interrupts();
-
-	/* data polling for D7 */
-	start = get_timer (0);
-
-#ifdef CONFIG_FLASH_16BIT
-	while ((*((vu_short *)dest) & 0x0080) != (low_data & 0x0080)) {
-#else
-	while ((*((vu_long *)dest) & 0x00800080) != (data & 0x00800080)) {
-#endif
-
-		if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
-			return (1);
-		}
-	}
-	return (0);
-}