Update for CAM5200 board:

  - Map in a additional chip selects CS4 and CS5.
  - Modify the port configration, configure six UARTs and no PCI,
    ATA and USB.
  - Add custom flash driver to handle specific byte swapping

CHANGELOG

@@ -2,6 +2,12 @@
 Changes since U-Boot 1.1.4:
 ======================================================================
 
+* Update for CAM5200 board:
+  - Map in a additional chip selects CS4 and CS5.
+  - Modify the port configration, configure six UARTs and no PCI,
+    ATA and USB.
+  - Add custom flash driver to handle specific byte swapping
+
 * Disable autoboot abort for FO300 when silent mode is enabled
   (according to S1 switch setting).
 

board/tqm5200/Makefile

@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= $(BOARD).o cmd_stk52xx.o cmd_tb5200.o
+COBJS	:= $(BOARD).o cmd_stk52xx.o cmd_tb5200.o cam5200_flash.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
@@ -40,6 +40,9 @@ clean:
 distclean:	clean
 	rm -f $(LIB) core *.bak .depend
 
+cam5200_flash.o:	cam5200_flash.c
+	$(CC) $(CFLAGS) -fno-strict-aliasing -c -o $@ $<
+
 #########################################################################
 
 # defines $(obj).depend target

board/tqm5200/cam5200_flash.c

@@ -0,0 +1,786 @@
+/*
+ * (C) Copyright 2006
+ * 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 <mpc5xxx.h>
+#include <asm/processor.h>
+
+#ifdef CONFIG_CAM5200
+
+#if 0
+#define DEBUGF(x...) printf(x)
+#else
+#define DEBUGF(x...)
+#endif
+
+#define swap16(x) __swab16(x)
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];	/* info for FLASH chips */
+
+/*
+ * CAM5200 is a TQM5200B based board. Additionally it also features
+ * a NIOS cpu. The NIOS CPU peripherals are accessible through MPC5xxx
+ * Local Bus on CS5. This includes 32 bit wide RAM and SRAM as well as
+ * 16 bit wide flash device. Big Endian order on a 32 bit CS5 makes
+ * access to flash chip slightly more complicated as additional byte
+ * swapping is necessary within each 16 bit wide flash 'word'.
+ *
+ * This driver's task is to handle both flash devices: 32 bit TQM5200B
+ * flash chip and 16 bit NIOS cpu flash chip. In the below 
+ * flash_addr_table table we use least significant address bit to mark
+ * 16 bit flash bank and two sets of routines *_32 and *_16 to handle
+ * specifics of both flashes.
+ */
+static unsigned long flash_addr_table[][CFG_MAX_FLASH_BANKS] = {
+	{CFG_BOOTCS_START, CFG_CS5_START | 1}
+};
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static int write_word(flash_info_t * info, ulong dest, ulong data);
+#ifdef CFG_FLASH_2ND_16BIT_DEV
+static int write_word_32(flash_info_t * info, ulong dest, ulong data);
+static int write_word_16(flash_info_t * info, ulong dest, ulong data);
+static int flash_erase_32(flash_info_t * info, int s_first, int s_last);
+static int flash_erase_16(flash_info_t * info, int s_first, int s_last);
+static ulong flash_get_size_32(vu_long * addr, flash_info_t * info);
+static ulong flash_get_size_16(vu_long * addr, flash_info_t * info);
+#endif
+
+void flash_print_info(flash_info_t * info)
+{
+	int i, k;
+	int size, 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;
+		default:
+			printf("Unknown Vendor ");
+			break;
+	}
+
+	switch (info->flash_id & FLASH_TYPEMASK) {
+		case FLASH_S29GL128N:
+			printf ("S29GL128N (256 Mbit, uniform sector size)\n");
+			break;
+		case FLASH_AM320B:
+			printf ("29LV320B (32 Mbit, bottom boot sect)\n");
+			break;
+		case FLASH_AM320T:
+			printf ("29LV320T (32 Mbit, top boot sect)\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!
+ */
+#ifdef CFG_FLASH_2ND_16BIT_DEV
+static ulong flash_get_size(vu_long * addr, flash_info_t * info)
+{
+
+	DEBUGF("get_size: FLASH ADDR %08lx\n", addr);
+
+	/* bit 0 used for big flash marking */
+	if ((ulong)addr & 0x1)
+		return flash_get_size_16((vu_long *)((ulong)addr & 0xfffffffe), info);
+	else
+		return flash_get_size_32(addr, info);
+}
+
+static ulong flash_get_size_32(vu_long * addr, flash_info_t * info)
+#else
+static ulong flash_get_size(vu_long * addr, flash_info_t * info)
+#endif
+{
+	short i;
+	CFG_FLASH_WORD_SIZE value;
+	ulong base = (ulong) addr;
+	volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) addr;
+
+	DEBUGF("get_size32: FLASH ADDR: %08x\n", (unsigned)addr);
+
+	/* Write auto select command: read Manufacturer ID */
+	addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
+	addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
+	addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00900090;
+	udelay(1000);
+
+	value = addr2[0];
+	DEBUGF("FLASH MANUFACT: %x\n", value);
+
+	switch (value) {
+		case (CFG_FLASH_WORD_SIZE) AMD_MANUFACT:
+			info->flash_id = FLASH_MAN_AMD;
+			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            */
+	DEBUGF("\nFLASH DEVICEID: %x\n", value);
+
+	switch (value) {
+		case AMD_ID_MIRROR:
+			DEBUGF("Mirror Bit flash: addr[14] = %08lX  addr[15] = %08lX\n",
+					addr[14], addr[15]);
+			switch(addr[14]) {
+				case AMD_ID_GL128N_2:
+					if (addr[15] != AMD_ID_GL128N_3) {
+						DEBUGF("Chip: S29GL128N -> unknown\n");
+						info->flash_id = FLASH_UNKNOWN;
+					} else {
+						DEBUGF("Chip: S29GL128N\n");
+						info->flash_id += FLASH_S29GL128N;
+						info->sector_count = 128;
+						info->size = 0x02000000;
+					}
+					break;
+				default:
+					info->flash_id = FLASH_UNKNOWN;
+					return(0);
+			}
+			break;
+
+		default:
+			info->flash_id = FLASH_UNKNOWN;
+			return (0);	/* => no or unknown flash */
+	}
+
+	/* set up sector start address table */
+	for (i = 0; i < info->sector_count; i++)
+		info->start[i] = base + (i * 0x00040000);
+
+	/* 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 CFG_FLASH_WORD_SIZE *)(info->start[i]);
+
+		info->protect[i] = addr2[2] & 1;
+	}
+
+	/* issue bank reset to return to read mode */
+	addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0;
+
+	return (info->size);
+}
+
+static int wait_for_DQ7_32(flash_info_t * info, int sect)
+{
+	ulong start, now, last;
+	volatile CFG_FLASH_WORD_SIZE *addr =
+		(CFG_FLASH_WORD_SIZE *) (info->start[sect]);
+
+	start = get_timer(0);
+	last = start;
+	while ((addr[0] & (CFG_FLASH_WORD_SIZE) 0x00800080) !=
+			(CFG_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;
+}
+
+#ifdef CFG_FLASH_2ND_16BIT_DEV
+int flash_erase(flash_info_t * info, int s_first, int s_last)
+{
+	if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) {
+		return flash_erase_16(info, s_first, s_last);
+	} else {
+		return flash_erase_32(info, s_first, s_last);
+	}
+}
+
+static int flash_erase_32(flash_info_t * info, int s_first, int s_last)
+#else
+int flash_erase(flash_info_t * info, int s_first, int s_last)
+#endif
+{
+	volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]);
+	volatile CFG_FLASH_WORD_SIZE *addr2;
+	int flag, prot, sect, l_sect;
+
+	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!", prot);
+
+	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 = (CFG_FLASH_WORD_SIZE *) (info->start[sect]);
+
+			addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
+			addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
+			addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080;
+			addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
+			addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
+			addr2[0] = (CFG_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_32(info, sect);
+		}
+	}
+
+	/* re-enable interrupts if necessary */
+	if (flag)
+		enable_interrupts();
+
+	/* wait at least 80us - let's wait 1 ms */
+	udelay(1000);
+
+	/* reset to read mode */
+	addr = (CFG_FLASH_WORD_SIZE *) info->start[0];
+	addr[0] = (CFG_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));
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+#ifdef CFG_FLASH_2ND_16BIT_DEV
+static int write_word(flash_info_t * info, ulong dest, ulong data)
+{
+	if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) {
+		return write_word_16(info, dest, data);
+	} else {
+		return write_word_32(info, dest, data);
+	}
+}
+
+static int write_word_32(flash_info_t * info, ulong dest, ulong data)
+#else
+static int write_word(flash_info_t * info, ulong dest, ulong data)
+#endif
+{
+	volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[0]);
+	volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *) dest;
+	volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *) & data;
+	ulong start;
+	int i, flag;
+
+	/* Check if Flash is (sufficiently) erased */
+	if ((*((vu_long *)dest) & data) != data)
+		return (2);
+
+	for (i = 0; i < 4 / sizeof(CFG_FLASH_WORD_SIZE); i++) {
+		/* Disable interrupts which might cause a timeout here */
+		flag = disable_interrupts();
+
+		addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
+		addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
+		addr2[CFG_FLASH_ADDR0] = (CFG_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] & (CFG_FLASH_WORD_SIZE) 0x00800080) !=
+				(data2[i] & (CFG_FLASH_WORD_SIZE) 0x00800080)) {
+
+			if (get_timer(start) > CFG_FLASH_WRITE_TOUT)
+				return (1);
+		}
+	}
+
+	return (0);
+}
+
+#ifdef CFG_FLASH_2ND_16BIT_DEV
+
+#undef  CFG_FLASH_WORD_SIZE
+#define CFG_FLASH_WORD_SIZE unsigned short
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+static ulong flash_get_size_16(vu_long * addr, flash_info_t * info)
+{
+	short i;
+	CFG_FLASH_WORD_SIZE value;
+	ulong base = (ulong) addr;
+	volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) addr;
+
+	DEBUGF("get_size16: FLASH ADDR: %08x\n", (unsigned)addr);
+
+	/* issue bank reset to return to read mode */
+	addr2[0] = (CFG_FLASH_WORD_SIZE) 0xF000F000;
+
+	/* Write auto select command: read Manufacturer ID */
+	addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAA00AA00;
+	addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55005500;
+	addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x90009000;
+	udelay(1000);
+
+	value = swap16(addr2[0]);
+	DEBUGF("FLASH MANUFACT: %x\n", value);
+
+	switch (value) {
+		case (CFG_FLASH_WORD_SIZE) AMD_MANUFACT:
+			info->flash_id = FLASH_MAN_AMD;
+			break;
+		case (CFG_FLASH_WORD_SIZE) 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 = swap16(addr2[1]);	/* device ID            */
+	DEBUGF("\nFLASH DEVICEID: %x\n", value);
+
+	switch (value) {
+		case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320B:
+			info->flash_id += FLASH_AM320B;
+			info->sector_count = 71;
+			info->size = 0x00400000;
+			break;	/* => 4 MB	*/
+		case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320T:
+			info->flash_id += FLASH_AM320T;
+			info->sector_count = 71;
+			info->size = 0x00400000;
+			break;	/* => 4 MB	*/
+		default:
+			info->flash_id = FLASH_UNKNOWN;
+			return (0);	/* => no or unknown flash */
+	}
+
+	if (info->flash_id & FLASH_BTYPE) {
+		/* set sector offsets for bottom boot block type        */
+		info->start[0] = base + 0x00000000;
+		info->start[1] = base + 0x00002000;
+		info->start[2] = base + 0x00004000;
+		info->start[3] = base + 0x00006000;
+		info->start[4] = base + 0x00008000;
+		info->start[5] = base + 0x0000a000;
+		info->start[6] = base + 0x0000c000;
+		info->start[7] = base + 0x0000e000;
+
+		for (i = 8; i < info->sector_count; i++)
+			info->start[i] = base + (i * 0x00010000) - 0x00070000;
+	} else {
+		/* set sector offsets for top boot block type           */
+		i = info->sector_count - 1;
+		info->start[i--] = base + info->size - 0x00002000;
+		info->start[i--] = base + info->size - 0x00004000;
+		info->start[i--] = base + info->size - 0x00006000;
+		info->start[i--] = base + info->size - 0x00008000;
+		info->start[i--] = base + info->size - 0x0000a000;
+		info->start[i--] = base + info->size - 0x0000c000;
+		info->start[i--] = base + info->size - 0x0000e000;
+
+		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 CFG_FLASH_WORD_SIZE *)(info->start[i]);
+
+		info->protect[i] = addr2[2] & 1;
+	}
+
+	/* issue bank reset to return to read mode */
+	addr2[0] = (CFG_FLASH_WORD_SIZE) 0xF000F000;
+
+	return (info->size);
+}
+
+static int wait_for_DQ7_16(flash_info_t * info, int sect)
+{
+	ulong start, now, last;
+	volatile CFG_FLASH_WORD_SIZE *addr =
+		(CFG_FLASH_WORD_SIZE *) (info->start[sect]);
+
+	start = get_timer(0);
+	last = start;
+	while ((addr[0] & (CFG_FLASH_WORD_SIZE) 0x80008000) !=
+			(CFG_FLASH_WORD_SIZE) 0x80008000) {
+		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;
+}
+
+static int flash_erase_16(flash_info_t * info, int s_first, int s_last)
+{
+	volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]);
+	volatile CFG_FLASH_WORD_SIZE *addr2;
+	int flag, prot, sect, l_sect;
+
+	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!",	prot);
+
+	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 = (CFG_FLASH_WORD_SIZE *) (info->start[sect]);
+
+			addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAA00AA00;
+			addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55005500;
+			addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x80008000;
+			addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAA00AA00;
+			addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55005500;
+			addr2[0] = (CFG_FLASH_WORD_SIZE) 0x30003000;	/* 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_16(info, sect);
+		}
+	}
+
+	/* re-enable interrupts if necessary */
+	if (flag)
+		enable_interrupts();
+
+	/* wait at least 80us - let's wait 1 ms */
+	udelay(1000);
+
+	/* reset to read mode */
+	addr = (CFG_FLASH_WORD_SIZE *) info->start[0];
+	addr[0] = (CFG_FLASH_WORD_SIZE) 0xF000F000;	/* reset bank */
+
+	printf(" done\n");
+	return 0;
+}
+
+static int write_word_16(flash_info_t * info, ulong dest, ulong data)
+{
+	volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[0]);
+	volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *) dest;
+	volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *) & data;
+	ulong start;
+	int i;
+
+	/* Check if Flash is (sufficiently) erased */
+	for (i = 0; i < 4 / sizeof(CFG_FLASH_WORD_SIZE); i++) {
+		if ((dest2[i] & swap16(data2[i])) != swap16(data2[i]))
+			return (2);
+	}
+
+	for (i = 0; i < 4 / sizeof(CFG_FLASH_WORD_SIZE); i++) {
+		int flag;
+
+		/* Disable interrupts which might cause a timeout here */
+		flag = disable_interrupts();
+
+		addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAA00AA00;
+		addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55005500;
+		addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xA000A000;
+
+		dest2[i] = swap16(data2[i]);
+
+		/* re-enable interrupts if necessary */
+		if (flag)
+			enable_interrupts();
+
+		/* data polling for D7 */
+		start = get_timer(0);
+		while ((dest2[i] & (CFG_FLASH_WORD_SIZE) 0x80008000) !=
+				(swap16(data2[i]) & (CFG_FLASH_WORD_SIZE) 0x80008000)) {
+
+			if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+				return (1);
+			}
+		}
+	}
+
+	return (0);
+}
+#endif /* CFG_FLASH_2ND_16BIT_DEV */
+
+/*-----------------------------------------------------------------------
+ * 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)
+{
+	unsigned long total_b = 0;
+	unsigned long size_b[CFG_MAX_FLASH_BANKS];
+	unsigned short index = 0;
+	int i;
+
+	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;
+		}
+
+		/* Monitor protection ON by default */
+		(void)flash_protect(FLAG_PROTECT_SET, CFG_MONITOR_BASE,
+				    CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1,
+				    &flash_info[i]);
+#if defined(CFG_ENV_IS_IN_FLASH)
+		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR,
+				    CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
+				    &flash_info[i]);
+#if defined(CFG_ENV_ADDR_REDUND)
+		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND,
+				    CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1,
+				    &flash_info[i]);
+#endif
+#endif
+		total_b += flash_info[i].size;
+	}
+
+	return total_b;
+}
+#endif /* ifdef CONFIG_CAM5200 */

include/configs/TQM5200.h

@@ -285,7 +285,7 @@
  */
 #define CFG_IPBSPEED_133		/* define for 133MHz speed */
 
-#if defined(CFG_IPBSPEED_133)
+#if defined(CFG_IPBSPEED_133) && !defined(CONFIG_CAM5200)
 /*
  * PCI Bus clocking configuration
  *
@@ -349,13 +349,29 @@
  */
 #define CFG_FLASH_BASE		0xFC000000
 
+#ifndef CONFIG_CAM5200
 /* use CFI flash driver */
 #define CFG_FLASH_CFI		1	/* Flash is CFI conformant */
 #define CFG_FLASH_CFI_DRIVER	1	/* Use the common driver */
 #define CFG_FLASH_BANKS_LIST	{ CFG_BOOTCS_START }
+#define CFG_MAX_FLASH_BANKS	1	/* max num of flash banks
+					   (= chip selects) */
+#define CFG_MAX_FLASH_SECT	512	/* max num of sects on one chip */
+#else /* CONFIG_CAM5200 */
+#define CFG_MAX_FLASH_BANKS	2	/* max num of flash banks
+					   (= chip selects) */
+#define CFG_FLASH_WORD_SIZE	unsigned int /* main flash device with */
+#define CFG_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms) */
+#define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms) */
+
+#define CFG_FLASH_ADDR0		0x555
+#define CFG_FLASH_ADDR1		0x2AA
+#define CFG_FLASH_2ND_16BIT_DEV	1	/* NIOS flash is a 16bit device */
+#define CFG_MAX_FLASH_SECT	128
+#endif /* ifndef CONFIG_CAM5200 */
+
 #define CFG_FLASH_EMPTY_INFO
 #define CFG_FLASH_SIZE		0x04000000 /* 64 MByte */
-#define CFG_MAX_FLASH_SECT	512	/* max num of sects on one chip */
 #define CFG_FLASH_USE_BUFFER_WRITE	1
 
 #if defined (CONFIG_CAM5200)
@@ -366,9 +382,6 @@
 # define CFG_ENV_ADDR		(CFG_FLASH_BASE + 0x00060000)
 #endif
 
-#define CFG_MAX_FLASH_BANKS	1	/* max num of flash banks
-					   (= chip selects) */
-
 /* Dynamic MTD partition support */
 #define CONFIG_JFFS2_CMDLINE
 #define MTDIDS_DEFAULT		"nor0=TQM5200-0"
@@ -401,10 +414,8 @@
 #elif defined (CONFIG_CAM5200)
 #   define MTDPARTS_DEFAULT	"mtdparts=TQM5200-0:768k(firmware),"	\
 						"1792k(kernel),"	\
-						"3584k(small-fs),"	\
-						"2m(initrd),"		\
-						"8m(misc),"		\
-						"16m(big-fs)"
+						"5632k(rootfs),"	\
+						"24m(home)"
 #elif defined (CONFIG_FO300)
 #   define MTDPARTS_DEFAULT	"mtdparts=TQM5200-0:640k(firmware),"	\
 						"1408k(kernel),"	\
@@ -479,31 +490,43 @@
 /*
  * GPIO configuration
  *
- * use pin gpio_wkup_6 as second SDRAM chip select (mem_cs1):
- *	Bit 0 (mask: 0x80000000): 1
+ * use CS1: Bit 0 (mask: 0x80000000):
+ *	   1 -> Pin gpio_wkup_6 as second SDRAM chip select (mem_cs1).
  * use ALT CAN position: Bits 2-3 (mask: 0x30000000):
- *	00 -> No Alternatives, CAN1/2 on PSC2 according to PSC2 setting.
- *	01 -> CAN1 on I2C1, CAN2 on Tmr0/1.
- *	      Use for REV200 STK52XX boards and FO300 boards. Do not use
- *	      with REV100 modules (because, there I2C1 is used as I2C bus)
- * use PSC1 as UART: Bits 28-31 (mask: 0x00000007): 0100
- * use PSC2 as CAN: Bits 25:27 (mask: 0x00000030)
- *	000 -> All PSC2 pins are GIOPs
- *	001 -> CAN1/2 on PSC2 pins
- *	       Use for REV100 STK52xx boards
- *	01x -> Use AC97
- * use PSC3: Bits 20-23 (mask: 0x00000f00)
- *	1100 -> UART/SPI (on FO300 board)
- * use PSC6:
- *   on STK52xx and FO300:
- *	use as UART. Pins PSC6_0 to PSC6_3 are used.
- *	Bits 9:11 (mask: 0x00700000):
- *	   101 -> PSC6 : Extended POST test is not available
- *   on MINI-FAP and TQM5200_IB:
- *	use PSC6_0 to PSC6_3 as GPIO: Bits 9:11 (mask: 0x00700000):
- *	   000 -> PSC6 could not be used as UART, CODEC or IrDA
- *   GPIO on PSC6_3 is used in post_hotkeys_pressed() to enable extended POST
- *   tests.
+ *	  00 -> No Alternatives, CAN1/2 on PSC2 according to PSC2 setting.
+ *		SPI on PSC3 according to PSC3 setting. Use for CAM5200.
+ *	  01 -> CAN1 on I2C1, CAN2 on Tmr0/1.
+ *		Use for REV200 STK52XX boards and FO300 boards. Do not use
+ *		with REV100 modules (because, there I2C1 is used as I2C bus).
+ * use ATA: Bits 6-7 (mask 0x03000000):
+ *	  00 -> No ATA chip selects, csb_4/5 used as normal chip selects.
+ *		Use for CAM5200 board.
+ *	  01 -> ATA cs0/1 on csb_4/5. Use for the remaining boards.
+ * use PSC6: Bits 9-11 (mask 0x00700000):
+ *	 000 -> use PSC6_0 to PSC6_3 as GPIO, PSC6 could not be used as
+ *		UART, CODEC or IrDA.
+ *		GPIO on PSC6_3 is used in post_hotkeys_pressed() to
+ *		enable extended POST tests.
+ *		Use for MINI-FAP and TQM5200_IB boards.
+ *	 101 -> use PSC6 as UART. Pins PSC6_0 to PSC6_3 are used.
+ *		Extended POST test is not available.
+ *		Use for STK52xx, FO300 and CAM5200 boards.
+ * use PCI_DIS: Bit 16 (mask 0x00008000):
+ *	   1 -> disable PCI controller (on CAM5200 board).
+ * use USB: Bits 18-19 (mask 0x00003000):
+ *	  10 -> two UARTs (on FO300 and CAM5200).
+ * use PSC3: Bits 20-23 (mask: 0x00000f00):
+ *	0000 -> All PSC3 pins are GPIOs.
+ *	1100 -> UART/SPI (on FO300 board).
+ *	0100 -> UART (on CAM5200 board).
+ * use PSC2: Bits 25:27 (mask: 0x00000030):
+ *	 000 -> All PSC2 pins are GPIOs.
+ *	 100 -> UART (on CAM5200 board).
+ *	 001 -> CAN1/2 on PSC2 pins.
+ *	        Use for REV100 STK52xx boards
+ *	 01x -> Use AC97 (on FO300 board).
+ * use PSC1: Bits 29-31 (mask: 0x00000007):
+ *	 100 -> UART (on all boards).
  */
 #if defined (CONFIG_MINIFAP)
 # define CFG_GPS_PORT_CONFIG	0x91000004
@@ -519,6 +542,8 @@
 # endif
 #elif defined (CONFIG_FO300)
 # define CFG_GPS_PORT_CONFIG	0x91502c24
+#elif defined (CONFIG_CAM5200)
+# define CFG_GPS_PORT_CONFIG	0x8050A444
 #else  /* TMQ5200 Inbetriebnahme-Board */
 # define CFG_GPS_PORT_CONFIG	0x81000004
 #endif
@@ -613,6 +638,16 @@
 #define CFG_CS_BURST		0x00000000
 #define CFG_CS_DEADCYCLE	0x33333311	/* 1 dead cycle for flash and SM501 */
 
+#if defined(CONFIG_CAM5200)
+#define CFG_CS4_START		0xB0000000
+#define CFG_CS4_SIZE		0x00010000
+#define CFG_CS4_CFG		0x01019C10
+
+#define CFG_CS5_START		0xD0000000
+#define CFG_CS5_SIZE		0x01208000
+#define CFG_CS5_CFG		0x1414BF10
+#endif
+
 #define CFG_RESET_ADDRESS	0xff000000
 
 /*-----------------------------------------------------------------------

include/flash.h

@@ -209,6 +209,9 @@ extern void flash_read_factory_serial(flash_info_t * info, void * buffer, int of
 #define AMD_ID_GL064M_3 0x22012201	/* 3rd ID word for S29GL064M-R6 */
 #define AMD_ID_GL064MT_2 0x22102210	/* 2nd ID word for S29GL064M-R3 (top boot sector) */
 #define AMD_ID_GL064MT_3 0x22012201	/* 3rd ID word for S29GL064M-R3 (top boot sector) */
+#define AMD_ID_GL128N_2	0x22212221	/* 2nd ID word for S29GL128N */
+#define AMD_ID_GL128N_3	0x22012201	/* 3rd ID word for S29GL128N */
+
 
 #define AMD_ID_LV320B_2 0x221A221A	/* 2d ID word for AM29LV320MB at 0x38 */
 #define AMD_ID_LV320B_3 0x22002200	/* 3d ID word for AM29LV320MB at 0x3c */
@@ -417,6 +420,7 @@ extern void flash_read_factory_serial(flash_info_t * info, void * buffer, int of
 #define FLASH_FUJLV650	0x00D0		/* Fujitsu MBM 29LV650UE/651UE		*/
 #define FLASH_MT28S4M16LC 0x00E1	/* Micron MT28S4M16LC			*/
 #define FLASH_S29GL064M 0x00F0		/* Spansion S29GL064M-R6		*/
+#define FLASH_S29GL128N 0x00F1		/* Spansion S29GL128N			*/
 
 #define FLASH_UNKNOWN	0xFFFF		/* unknown flash type			*/