EXBITGEN: drop support for unmaintained board

The EXBITGEN board has not been maintained for a long time; it has
build problems, but no hardware is available any more for testing.

Drop support for this board.

Signed-off-by: Wolfgang Denk <wd@denx.de>
Acked-by: Stefan Roese <sr@denx.de>

1 files changed, 0 insertions, 597 deletions

diff --git a/board/exbitgen/flash.c b/board/exbitgen/flash.c
deleted file mode 100644
index cd45cb6..0000000
--- a/board/exbitgen/flash.c
+++ /dev/null
@@ -1,597 +0,0 @@
-/*
- * (C) Copyright 2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * 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 <asm/u-boot.h>
-#include <asm/processor.h>
-#include <ppc4xx.h>
-
-flash_info_t	flash_info[CONFIG_SYS_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);
-
-#ifdef MEIGSBOARD_ONBOARD_FLASH /* onboard = 2MB */
-#  ifdef CONFIG_EXBITGEN
-#     define FLASH_WORD_SIZE unsigned long
-#  endif
-#else /* Meigsboard socket flash = 512KB */
-#  ifdef CONFIG_EXBITGEN
-#    define FLASH_WORD_SIZE unsigned char
-#  endif
-#endif
-
-#ifdef CONFIG_EXBITGEN
-#define ADDR0           0x5555
-#define ADDR1           0x2aaa
-#define FLASH_WORD_SIZE unsigned char
-#endif
-
-/*-----------------------------------------------------------------------
- */
-
-unsigned long flash_init (void)
-{
-	unsigned long bank_size;
-	unsigned long tot_size;
-	unsigned long bank_addr;
-	int i;
-
-	/* Init: no FLASHes known */
-	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
-		flash_info[i].flash_id = FLASH_UNKNOWN;
-		flash_info[i].size = 0;
-	}
-
-	tot_size = 0;
-
-	/* Detect Boot Flash */
-	bank_addr = CONFIG_SYS_FLASH0_BASE;
-	bank_size = flash_get_size((vu_long *)bank_addr, &flash_info[0]);
-	if (bank_size > 0) {
-		(void)flash_protect(FLAG_PROTECT_CLEAR,
-			bank_addr,
-			bank_addr + bank_size - 1,
-			&flash_info[0]);
-	}
-	if (flash_info[0].flash_id == FLASH_UNKNOWN) {
-		printf ("## Unknown FLASH on Boot Flash Bank\n");
-	}
-	flash_info[0].size = bank_size;
-	tot_size += bank_size;
-
-	/* Detect Application Flash */
-	bank_addr = CONFIG_SYS_FLASH1_BASE;
-	for (i = 1; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
-		bank_size = flash_get_size((vu_long *)bank_addr, &flash_info[i]);
-		if (flash_info[i].flash_id == FLASH_UNKNOWN) {
-			break;
-		}
-		if (bank_size > 0) {
-			(void)flash_protect(FLAG_PROTECT_CLEAR,
-				bank_addr,
-				bank_addr + bank_size - 1,
-				&flash_info[i]);
-		}
-		flash_info[i].size = bank_size;
-		tot_size += bank_size;
-		bank_addr += bank_size;
-	}
-	if (flash_info[1].flash_id == FLASH_UNKNOWN) {
-		printf ("## Unknown FLASH on Application Flash Bank\n");
-	}
-
-	/* Protect monitor and environment sectors */
-#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH0_BASE
-	flash_protect(FLAG_PROTECT_SET,
-		CONFIG_SYS_MONITOR_BASE,
-		CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1,
-		&flash_info[0]);
-#if 0xfffffffc >= CONFIG_SYS_FLASH0_BASE
-#if 0xfffffffc <= CONFIG_SYS_FLASH0_BASE + CONFIG_SYS_FLASH0_SIZE - 1
-	flash_protect(FLAG_PROTECT_SET,
-		0xfffffffc, 0xffffffff,
-		&flash_info[0]);
-#endif
-#endif
-#endif
-
-#if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CONFIG_ENV_ADDR)
-	flash_protect(FLAG_PROTECT_SET,
-		CONFIG_ENV_ADDR,
-		CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1,
-		&flash_info[0]);
-#endif
-
-	return tot_size;
-}
-
-/*-----------------------------------------------------------------------
- */
-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;
-	case FLASH_MAN_SST:	printf ("SST ");		break;
-	default:		printf ("Unknown Vendor ");	break;
-	}
-
-	switch (info->flash_id & FLASH_TYPEMASK) {
-	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_AMDLV033C:	printf ("AM29LV033C (32 Mbit, uniform sector size)\n");
-				break;
-	case FLASH_AMDLV065D:	printf ("AM29LV065D (64 Mbit, uniform sector size)\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;
-	case FLASH_SST040:	printf ("SST39LF/VF040 (4 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) {
-		if ((i % 5) == 0)
-			printf ("\n   ");
-		printf (" %08lX%s",
-			info->start[i],
-			info->protect[i] ? " (RO)" : "     "
-		);
-	}
-	printf ("\n");
-}
-
-/*-----------------------------------------------------------------------
- */
-
-
-/*-----------------------------------------------------------------------
- */
-
-/*
- * 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;
-
-	/* Write auto select command: read Manufacturer ID */
-	addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
-	addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
-	addr2[ADDR0] = (FLASH_WORD_SIZE)0x00900090;
-
-	value = addr2[0];
-
-	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;
-	default:
-		info->flash_id = FLASH_UNKNOWN;
-		info->sector_count = 0;
-		info->size = 0;
-		return (0);			/* no or unknown flash	*/
-	}
-
-	value = addr2[1];			/* device ID		*/
-
-	switch (value) {
-	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		*/
-
-	case (FLASH_WORD_SIZE)AMD_ID_LV033C:
-		info->flash_id += FLASH_AMDLV033C;
-		info->sector_count = 64;
-		info->size = 0x00400000;
-		break;				/* => 4 MB		*/
-
-	case (FLASH_WORD_SIZE)AMD_ID_LV065D:
-		info->flash_id += FLASH_AMDLV065D;
-		info->sector_count = 128;
-		info->size = 0x00800000;
-		break;				/* => 8 MB		*/
-
-	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		*/
-
-	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		*/
-	case (FLASH_WORD_SIZE)SST_ID_xF040:
-		info->flash_id += FLASH_SST040;
-		info->sector_count = 128;
-		info->size = 0x00080000;
-		break;				/* => 512KB		*/
-
-	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_AMDLV033C) ||
-		(info->flash_id == FLASH_AMDLV065D)) {
-		ulong sectsize = info->size / info->sector_count;
-		for (i = 0; i < info->sector_count; i++)
-			info->start[i] = base + (i * sectsize);
-	} 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 */
-
-		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;
-	}
-
-	/* switch to the read mode */
-	if (info->flash_id != FLASH_UNKNOWN) {
-		addr2 = (FLASH_WORD_SIZE *)info->start[0];
-		*addr2 = (FLASH_WORD_SIZE)0x00F000F0;	/* reset bank */
-	}
-
-	return (info->size);
-}
-
-/*-----------------------------------------------------------------------
- */
-
-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;
-	ulong start, now, last;
-
-	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");
-	}
-
-	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 */
-			addr2 = (FLASH_WORD_SIZE *)(info->start[sect]);
-
-			/* Disable interrupts which might cause a timeout here */
-			flag = disable_interrupts();
-
-			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;
-
-			/* re-enable interrupts if necessary */
-			if (flag)
-				enable_interrupts();
-
-			/* wait at least 80us - let's wait 1 ms */
-			udelay (1000);
-
-			while ((addr2[0] & 0x00800080) !=
-				(FLASH_WORD_SIZE) 0x00800080) {
-				if ((now=get_timer(start)) >
-					   CONFIG_SYS_FLASH_ERASE_TOUT) {
-					printf ("Timeout\n");
-					addr[0] = (FLASH_WORD_SIZE)0x00F000F0;
-					return 1;
-				}
-
-				/* show that we're waiting */
-				if ((now - last) > 1000) {  /* every second  */
-					putc ('.');
-					last = now;
-				}
-			}
-
-			addr[0] = (FLASH_WORD_SIZE)0x00F000F0;
-		}
-	}
-
-	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 flag;
-	int i;
-
-	/* Check if Flash is (sufficiently) erased */
-	if ((*((volatile ulong *)dest) & data) != data) {
-		printf("dest = %08lx, *dest = %08lx, data = %08lx\n",
-			dest, *(volatile ulong *)dest, data);
-		return 2;
-	}
-
-	for (i=0; i < 4/sizeof(FLASH_WORD_SIZE); i++) {
-		/* 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] & 0x00800080) != (data2[i] & 0x00800080)) {
-			if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
-				addr2[0] = (FLASH_WORD_SIZE)0x00F000F0;
-				return (1);
-			}
-		}
-	}
-
-	addr2[0] = (FLASH_WORD_SIZE)0x00F000F0;
-
-	return (0);
-}
-
-/*-----------------------------------------------------------------------
- */