* Patch by Martin Krause, 30 Jun 2004:

  Add support for TQM5200 board

* Patch by Martin Krause, 29 Jun 2004:
  Add loopw command: infinite write loop on address range

CHANGELOG

@@ -2,6 +2,12 @@
 Changes since U-Boot 1.1.1:
 ======================================================================
 
+* Patch by Martin Krause, 30 Jun 2004:
+  Add support for TQM5200 board
+
+* Patch by Martin Krause, 29 Jun 2004:
+  Add loopw command: infinite write loop on address range
+
 * Patches by Yasushi Shoji, 29 Jun 2004:
   - add empty include/asm-microblaze/processor.h
   - add to CREDITS and MAINTAINERS

MAKEALL

@@ -26,6 +26,7 @@ LIST_5xx="	\
 
 LIST_5xxx="	\
 	icecube_5100	icecube_5200	EVAL5200	PM520		\
+	TQM5200_AA							\
 "
 
 #########################################################################

Makefile

@@ -270,6 +270,32 @@ PM520_ROMBOOT_DDR_config:	unconfig
 		}
 	@./mkconfig -a PM520 ppc mpc5xxx pm520
 
+TQM5200_AA_config	\
+TQM5200_AB_config	\
+TQM5200_AC_config	\
+MiniFAP_config:	unconfig
+	@ >include/config.h
+	@[ -z "$(findstring Mini-FAP,$@)" ] || \
+		{ echo "#define CONFIG_MINIFAP"	>>include/config.h ; \
+		  echo "#define CONFIG_TQM5200_AC"	>>include/config.h ; \
+		  echo "... TQM5200_AC on Mini-FAP" ; \
+		}
+	@[ -z "$(findstring AA,$@)" ] || \
+		{ echo "#define CONFIG_TQM5200_AA"	>>include/config.h ; \
+		  echo "... with 4 MB Flash, 16 MB SDRAM, 32 kB EEPROM" ; \
+		}
+	@[ -z "$(findstring AB,$@)" ] || \
+		{ echo "#define CONFIG_TQM5200_AB"	>>include/config.h ; \
+		  echo "... with 64 MB Flash, 64 MB SDRAM, 32 kB EEPROM, 512 kB SRAM" ; \
+		  echo "... with Grafic Controller"; \
+		}
+	@[ -z "$(findstring AC,$@)" ] || \
+		{ echo "#define CONFIG_TQM5200_AC"	>>include/config.h ; \
+		  echo "... with 4 MB Flash, 128 MB SDRAM" ; \
+		  echo "... with Grafic Controller"; \
+		}
+	@./mkconfig -a TQM5200 ppc mpc5xxx tqm5200
+
 #########################################################################
 ## MPC8xx Systems
 #########################################################################

README

@@ -572,7 +572,7 @@ The following options need to be configured:
 		CFG_CMD_LOADB	  loadb
 		CFG_CMD_LOADS	  loads
 		CFG_CMD_MEMORY	  md, mm, nm, mw, cp, cmp, crc, base,
-				  loop, mtest
+				  loop, loopw, mtest
 		CFG_CMD_MISC	  Misc functions like sleep etc
 		CFG_CMD_MMC	  MMC memory mapped support
 		CFG_CMD_MII	  MII utility commands
@@ -2052,6 +2052,10 @@ Low Level (hardware related) configuration options:
 		and crc32 is the correct crc32 which the
 		area should have.
 
+- CONFIG_LOOPW
+		Add the "loopw" memory command. This only takes effect if
+		the memory commands are activated globally (CFG_CMD_MEM).
+
 Building the Software:
 ======================
 
@@ -2224,6 +2228,7 @@ iminfo	- print header information for application image
 coninfo - print console devices and informations
 ide	- IDE sub-system
 loop	- infinite loop on address range
+loopw	- infinite write loop on address range
 mtest	- simple RAM test
 icache	- enable or disable instruction cache
 dcache	- enable or disable data cache

board/tqm5200/Makefile

+#
+# (C) Copyright 2003-2004
+# 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	:= $(BOARD).o flash.o
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) crv $@ $(OBJS)
+
+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
+
+#########################################################################

board/tqm5200/config.mk

+#
+# (C) Copyright 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
+#
+
+#
+# TQM5200 board:
+#
+#	Valid values for TEXT_BASE are:
+#
+#	0xFC000000   boot low (standard configuration with room for max 64 MByte
+#		     Flash ROM)
+#	0x00100000   boot from RAM (for testing only)
+#
+
+ifndef TEXT_BASE
+## Standard: boot low
+TEXT_BASE = 0xFC000000
+## For testing: boot from RAM
+# TEXT_BASE = 0x00100000
+endif
+
+PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board

board/tqm5200/flash.c

+/*
+ * (C) Copyright 2003-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004
+ * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.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>
+
+flash_info_t	flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/*
+ * CPU to flash interface is 32-bit, so make declaration accordingly
+ */
+typedef unsigned long FLASH_PORT_WIDTH;
+typedef volatile unsigned long FLASH_PORT_WIDTHV;
+
+#define FPW	FLASH_PORT_WIDTH
+#define FPWV	FLASH_PORT_WIDTHV
+
+#define FLASH_CYCLE1	0x0555
+#define FLASH_CYCLE2	0x02aa
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size(FPWV *addr, flash_info_t *info);
+static void flash_reset(flash_info_t *info);
+static int write_word_amd(flash_info_t *info, FPWV *dest, FPW data);
+static flash_info_t *flash_get_info(ulong base);
+
+/*-----------------------------------------------------------------------
+ * flash_init()
+ *
+ * sets up flash_info and returns size of FLASH (bytes)
+ */
+unsigned long flash_init (void)
+{
+	unsigned long size = 0;
+	extern void flash_preinit(void);
+	ulong flashbase = CFG_FLASH_BASE;
+
+	flash_preinit();
+
+	/* Init: no FLASHes known */
+	memset(&flash_info[0], 0, sizeof(flash_info_t));
+
+	flash_info[0].size =
+		flash_get_size((FPW *)flashbase, &flash_info[0]);
+
+	size = flash_info[0].size;
+
+#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_get_info(CFG_MONITOR_BASE));
+#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_get_info(CFG_ENV_ADDR));
+#endif
+
+	return size ? size : 1;
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_reset(flash_info_t *info)
+{
+	FPWV *base = (FPWV *)(info->start[0]);
+
+	/* Put FLASH back in read mode */
+	if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL)
+		*base = (FPW)0x00FF00FF;	/* Intel Read Mode */
+	else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD)
+		*base = (FPW)0x00F000F0;	/* AMD Read Mode */
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+static flash_info_t *flash_get_info(ulong base)
+{
+	int i;
+	flash_info_t * info;
+
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; i ++) {
+		info = & flash_info[i];
+		if (info->size && info->start[0] <= base &&
+		    base <= info->start[0] + info->size - 1)
+			break;
+	}
+
+	return i == CFG_MAX_FLASH_BANKS ? 0 : info;
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+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_BM:	printf ("BRIGHT MICRO ");	break;
+	case FLASH_MAN_FUJ:	printf ("FUJITSU ");		break;
+	case FLASH_MAN_SST:	printf ("SST ");		break;
+	case FLASH_MAN_STM:	printf ("STM ");		break;
+	case FLASH_MAN_INTEL:	printf ("INTEL ");		break;
+	default:		printf ("Unknown Vendor ");	break;
+	}
+
+	switch (info->flash_id & FLASH_TYPEMASK) {
+	case FLASH_AMLV128U:
+		printf ("AM29LV128ML (128Mbit, uniform sector size)\n");
+		break;
+	case FLASH_AM160B:
+		printf ("AM29LV160B (16 Mbit, bottom boot sect)\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!
+ */
+
+ulong flash_get_size (FPWV *addr, flash_info_t *info)
+{
+	int i;
+	ulong base = (ulong)addr;
+
+	/* Write auto select command: read Manufacturer ID */
+	/* Write auto select command sequence and test FLASH answer */
+	addr[FLASH_CYCLE1] = (FPW)0x00AA00AA;	/* for AMD, Intel ignores this */
+	addr[FLASH_CYCLE2] = (FPW)0x00550055;	/* for AMD, Intel ignores this */
+	addr[FLASH_CYCLE1] = (FPW)0x00900090;	/* selects Intel or AMD */
+
+	/* The manufacturer codes are only 1 byte, so just use 1 byte.
+	 * This works for any bus width and any FLASH device width.
+	 */
+	udelay(100);
+	switch (addr[0] & 0xff) {
+
+	case (uchar)AMD_MANUFACT:
+		debug ("Manufacturer: AMD (Spansion)\n");
+		info->flash_id = FLASH_MAN_AMD;
+		break;
+
+	case (uchar)INTEL_MANUFACT:
+		debug ("Manufacturer: Intel (not supported yet)\n");
+		info->flash_id = FLASH_MAN_INTEL;
+		break;
+
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		info->sector_count = 0;
+		info->size = 0;
+		break;
+	}
+
+	/* Check 16 bits or 32 bits of ID so work on 32 or 16 bit bus. */
+	if (info->flash_id != FLASH_UNKNOWN) switch ((FPW)addr[1]) {
+
+	case (FPW)AMD_ID_LV160B:
+		debug ("Chip: AM29LV160MB\n");
+		info->flash_id += FLASH_AM160B;
+		info->sector_count = 35;
+		info->size = 0x00400000;
+		/*
+		 * The first 4 sectors are 16 kB, 8 kB, 8 kB and 32 kB, all
+		 * the other ones are 64 kB
+		 */
+		info->start[0] = base + 0x00000000;
+		info->start[1] = base + 0x00008000;
+		info->start[2] = base + 0x0000C000;
+		info->start[3] = base + 0x00010000;
+		for( i = 4; i < info->sector_count; i++ )
+			info->start[i] =
+				base + (i * 2 * (64 << 10)) - 0x00060000;
+		break;		/* => 4 MB */
+
+	case AMD_ID_MIRROR:
+		debug ("Mirror Bit flash: addr[14] = %08lX  addr[15] = %08lX\n",
+			addr[14], addr[15]);
+
+		switch(addr[14]) {
+		case AMD_ID_LV128U_2:
+			if (addr[15] != AMD_ID_LV128U_3) {
+				debug ("Chip: AM29LVxxxM -> unknown\n");
+				info->flash_id = FLASH_UNKNOWN;
+				info->sector_count = 0;
+				info->size = 0;
+			} else {
+				debug ("Chip: AM29LV128M\n");
+				info->flash_id += FLASH_AMLV128U;
+				info->sector_count = 256;
+				info->size = 0x02000000;
+				for (i = 0; i < info->sector_count; i++) {
+					info->start[i] = base;
+					base += 0x20000;
+				}
+			}
+			break;	/* => 32 MB	*/
+		default:
+			debug ("Chip: *** unknown ***\n");
+			info->flash_id = FLASH_UNKNOWN;
+			info->sector_count = 0;
+			info->size = 0;
+			break;
+		}
+		break;
+
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		info->sector_count = 0;
+		info->size = 0;
+	}
+
+	/* Put FLASH back in read mode */
+	flash_reset(info);
+
+	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, l_sect;
+	ulong start, now, last;
+
+	debug ("flash_erase: first: %d last: %d\n", s_first, s_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) ||
+	    (info->flash_id > FLASH_AMD_COMP)) {
+		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");
+	}
+
+	l_sect = -1;
+
+	/* Disable interrupts which might cause a timeout here */
+	flag = disable_interrupts();
+
+	addr[0x0555] = 0x00AA00AA;
+	addr[0x02AA] = 0x00550055;
+	addr[0x0555] = 0x00800080;
+	addr[0x0555] = 0x00AA00AA;
+	addr[0x02AA] = 0x00550055;
+
+	/* Start erase on unprotected sectors */
+	for (sect = s_first; sect<=s_last; sect++) {
+		if (info->protect[sect] == 0) {	/* not protected */
+			addr = (vu_long*)(info->start[sect]);
+			addr[0] = 0x00300030;
+			l_sect = sect;
+		}
+	}
+
+	/* re-enable interrupts if necessary */
+	if (flag)
+		enable_interrupts();
+
+	/* wait at least 80us - let's wait 1 ms */
+	udelay (1000);
+
+	/*
+	 * We wait for the last triggered sector
+	 */
+	if (l_sect < 0)
+		goto DONE;
+
+	start = get_timer (0);
+	last  = start;
+	addr = (vu_long*)(info->start[l_sect]);
+	while ((addr[0] & 0x00800080) != 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;
+		}
+	}
+
+DONE:
+	/* reset to read mode */
+	addr = (volatile unsigned long *)info->start[0];
+	addr[0] = 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;
+
+	/*
+	 * Get lower word aligned address. Assumes 32 bit flash bus width.
+	 */
+	wp = (addr & ~3);
+
+	/*
+	 * 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_amd(info, (FPW *)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_amd(info, (FPW *)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_amd(info, (FPW *)wp, data));
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash for AMD FLASH
+ * A word is 16 or 32 bits, whichever the bus width of the flash bank
+ * (not an individual chip) is.
+ *
+ * returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */