* Add support for PPChameleon Eval Board

* Add support for P3G4 board

* Fix problem with MGT5100 FEC driver: add "early" MAC address
  initialization

3 files changed, 1139 insertions, 0 deletions

diff --git a/board/dave/common/flash.c b/board/dave/common/flash.c
new file mode 100644
index 0000000..3cdbaa9
--- /dev/null
+++ b/board/dave/common/flash.c
@@ -0,0 +1,681 @@
+/*
+ * (C) Copyright 2001
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ *
+ * 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 <ppc4xx.h>
+#include <asm/processor.h>
+
+flash_info_t	flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips	*/
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static int write_word (flash_info_t *info, ulong dest, ulong data);
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_get_offsets (ulong base, flash_info_t *info)
+{
+	int i;
+	short n;
+
+	/* set up sector start address table */
+        if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
+	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM640U)) {
+	    for (i = 0; i < info->sector_count; i++)
+		info->start[i] = base + (i * 0x00010000);
+        } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323B) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324B)) {
+		/* set sector offsets for bottom boot block type	*/
+		for (i=0; i<8; ++i) {		/*  8 x 8k boot sectors	*/
+			info->start[i] = base;
+			base += 8 << 10;
+		}
+		while (i < info->sector_count) {	/* 64k regular sectors	*/
+			info->start[i] = base;
+			base += 64 << 10;
+			++i;
+		}
+        } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323T) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324T)) {
+		/* set sector offsets for top boot block type		*/
+		base += info->size;
+		i = info->sector_count;
+		for (n=0; n<8; ++n) {		/*  8 x 8k boot sectors	*/
+			base -= 8 << 10;
+			--i;
+			info->start[i] = base;
+		}
+		while (i > 0) {			/* 64k regular sectors	*/
+			base -= 64 << 10;
+			--i;
+			info->start[i] = base;
+		}
+        } 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;
+		}
+	    }
+	}
+}
+
+/*-----------------------------------------------------------------------
+ */
+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;
+	case FLASH_MAN_STM:	printf ("ST  ");		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_AM320T:	printf ("AM29LV320T (32 M, top sector)\n");
+				break;
+	case FLASH_AM320B:	printf ("AM29LV320B (32 M, bottom sector)\n");
+				break;
+	case FLASH_AMDL322T:	printf ("AM29DL322T (32 M, top sector)\n");
+				break;
+	case FLASH_AMDL322B:	printf ("AM29DL322B (32 M, bottom sector)\n");
+				break;
+	case FLASH_AMDL323T:	printf ("AM29DL323T (32 M, top sector)\n");
+				break;
+	case FLASH_AMDL323B:	printf ("AM29DL323B (32 M, bottom sector)\n");
+				break;
+	case FLASH_AM640U:	printf ("AM29LV640D (64 M, uniform 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;
+	case FLASH_STMW320DT:	printf ("M29W320DT (32 M, top 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) {
+#ifdef CFG_FLASH_EMPTY_INFO
+                /*
+                 * 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   ");
+                /* print empty and read-only info */
+		printf (" %08lX%s%s",
+			info->start[i],
+			erased ? " E" : "  ",
+			info->protect[i] ? "RO " : "   ");
+#else
+		if ((i % 5) == 0)
+			printf ("\n   ");
+		printf (" %08lX%s",
+			info->start[i],
+			info->protect[i] ? " (RO)" : "     ");
+#endif
+
+	}
+	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;
+	short n;
+	CFG_FLASH_WORD_SIZE value;
+	ulong base = (ulong)addr;
+        volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *)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;
+
+	value = addr2[CFG_FLASH_READ0];
+
+	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;
+	case (CFG_FLASH_WORD_SIZE)SST_MANUFACT:
+		info->flash_id = FLASH_MAN_SST;
+		break;
+	case (CFG_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	*/
+	}
+
+	value = addr2[CFG_FLASH_READ1];		/* device ID		*/
+
+	switch (value) {
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV400T:
+		info->flash_id += FLASH_AM400T;
+		info->sector_count = 11;
+		info->size = 0x00080000;
+		break;				/* => 0.5 MB		*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV400B:
+		info->flash_id += FLASH_AM400B;
+		info->sector_count = 11;
+		info->size = 0x00080000;
+		break;				/* => 0.5 MB		*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV800T:
+		info->flash_id += FLASH_AM800T;
+		info->sector_count = 19;
+		info->size = 0x00100000;
+		break;				/* => 1 MB		*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV800B:
+		info->flash_id += FLASH_AM800B;
+		info->sector_count = 19;
+		info->size = 0x00100000;
+		break;				/* => 1 MB		*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV160T:
+		info->flash_id += FLASH_AM160T;
+		info->sector_count = 35;
+		info->size = 0x00200000;
+		break;				/* => 2 MB		*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV160B:
+		info->flash_id += FLASH_AM160B;
+		info->sector_count = 35;
+		info->size = 0x00200000;
+		break;				/* => 2 MB		*/
+
+	case (CFG_FLASH_WORD_SIZE)STM_ID_29W320DT:
+	        info->flash_id += FLASH_STMW320DT;
+	        info->sector_count = 67;
+		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	*/
+
+	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_DL322T:
+	        info->flash_id += FLASH_AMDL322T;
+	        info->sector_count = 71;
+		info->size = 0x00400000;  break;	/* => 4 MB	*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322B:
+	        info->flash_id += FLASH_AMDL322B;
+		info->sector_count = 71;
+		info->size = 0x00400000;  break;	/* => 4 MB	*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323T:
+	        info->flash_id += FLASH_AMDL323T;
+		info->sector_count = 71;
+		info->size = 0x00400000;  break;	/* => 4 MB	*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323B:
+	        info->flash_id += FLASH_AMDL323B;
+		info->sector_count = 71;
+		info->size = 0x00400000;  break;	/* => 4 MB	*/
+
+	case (CFG_FLASH_WORD_SIZE)AMD_ID_LV640U:
+	        info->flash_id += FLASH_AM640U;
+		info->sector_count = 128;
+		info->size = 0x00800000;  break;	/* => 8 MB	*/
+
+	case (CFG_FLASH_WORD_SIZE)SST_ID_xF800A:
+		info->flash_id += FLASH_SST800A;
+		info->sector_count = 16;
+		info->size = 0x00100000;
+		break;				/* => 1 MB		*/
+
+	case (CFG_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_TYPEMASK) == FLASH_AM640U)) {
+	    for (i = 0; i < info->sector_count; i++)
+		info->start[i] = base + (i * 0x00010000);
+        } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323B) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324B)) {
+		/* set sector offsets for bottom boot block type	*/
+		for (i=0; i<8; ++i) {		/*  8 x 8k boot sectors	*/
+			info->start[i] = base;
+			base += 8 << 10;
+		}
+		while (i < info->sector_count) {	/* 64k regular sectors	*/
+			info->start[i] = base;
+			base += 64 << 10;
+			++i;
+		}
+        } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323T) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
+		   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324T)) {
+		/* set sector offsets for top boot block type		*/
+		base += info->size;
+		i = info->sector_count;
+		for (n=0; n<8; ++n) {		/*  8 x 8k boot sectors	*/
+			base -= 8 << 10;
+			--i;
+			info->start[i] = base;
+		}
+		while (i > 0) {			/* 64k regular sectors	*/
+			base -= 64 << 10;
+			--i;
+			info->start[i] = base;
+		}
+        } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT) {
+		/* set sector offsets for top boot block type		*/
+		base += info->size;
+		i = info->sector_count;
+                /*  1 x 16k boot sector */
+		base -= 16 << 10;
+                --i;
+		info->start[i] = base;
+		/*  2 x 8k  boot sectors */
+		for (n=0; n<2; ++n) {
+			base -= 8 << 10;
+			--i;
+			info->start[i] = base;
+		}
+                /*  1 x 32k boot sector */
+		base -= 32 << 10;
+                --i;
+		info->start[i] = base;
+
+		while (i > 0) {			/* 64k regular sectors	*/
+			base -= 64 << 10;
+			--i;
+			info->start[i] = base;
+		}
+        } 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 CFG_FLASH_WORD_SIZE *)(info->start[i]);
+                if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
+                  info->protect[i] = 0;
+                else
+                  info->protect[i] = addr2[CFG_FLASH_READ2] & 1;
+	}
+
+	/*
+	 * Prevent writes to uninitialized FLASH.
+	 */
+	if (info->flash_id != FLASH_UNKNOWN) {
+		addr2 = (CFG_FLASH_WORD_SIZE *)info->start[0];
+		*addr2 = (CFG_FLASH_WORD_SIZE)0x00F000F0;	/* reset bank */
+	}
+
+	return (info->size);
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+
+int	flash_erase (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;
+	ulong start, now, last;
+        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 = (CFG_FLASH_WORD_SIZE *)(info->start[sect]);
+                    if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
+                        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)0x00500050;  /* block erase */
+                        for (i=0; i<50; i++)
+                          udelay(1000);  /* wait 1 ms */
+                    } else {
+                        if (sect == s_first) {
+                            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;
+		}
+	}
+
+	/* 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 = (CFG_FLASH_WORD_SIZE *)(info->start[l_sect]);
+	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;
+		}
+	}
+
+DONE:
+	/* 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));
+}
+
+/*-----------------------------------------------------------------------
+ * 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 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 flag;
+        int i;
+
+	/* Check if Flash is (sufficiently) erased */
+	if ((*((volatile CFG_FLASH_WORD_SIZE *)dest) &
+             (CFG_FLASH_WORD_SIZE)data) != (CFG_FLASH_WORD_SIZE)data) {
+		return (2);
+	}
+	/* Disable interrupts which might cause a timeout here */
+	flag = disable_interrupts();
+
+        for (i=0; i<4/sizeof(CFG_FLASH_WORD_SIZE); i++)
+          {
+            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);
+}
+
+/*-----------------------------------------------------------------------
+ */
diff --git a/board/dave/common/fpga.c b/board/dave/common/fpga.c
new file mode 100644
index 0000000..9547325
--- /dev/null
+++ b/board/dave/common/fpga.c
@@ -0,0 +1,256 @@
+/*
+ * (C) Copyright 2001-2003
+ * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ *
+ * 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 <asm/processor.h>
+#include <command.h>
+
+/* ------------------------------------------------------------------------- */
+
+#ifdef FPGA_DEBUG
+#define DBG(x...) printf(x)
+#else
+#define DBG(x...)
+#endif /* DEBUG */
+
+#define MAX_ONES               226
+
+#ifdef CFG_FPGA_PRG
+# define FPGA_PRG              CFG_FPGA_PRG /* FPGA program pin (ppc output)*/
+# define FPGA_CLK              CFG_FPGA_CLK /* FPGA clk pin (ppc output)    */
+# define FPGA_DATA             CFG_FPGA_DATA /* FPGA data pin (ppc output)  */
+# define FPGA_DONE             CFG_FPGA_DONE /* FPGA done pin (ppc input)   */
+# define FPGA_INIT             CFG_FPGA_INIT /* FPGA init pin (ppc input)   */
+#else
+# define FPGA_PRG              0x04000000  /* FPGA program pin (ppc output) */
+# define FPGA_CLK              0x02000000  /* FPGA clk pin (ppc output)     */
+# define FPGA_DATA             0x01000000  /* FPGA data pin (ppc output)    */
+# define FPGA_DONE             0x00800000  /* FPGA done pin (ppc input)     */
+# define FPGA_INIT             0x00400000  /* FPGA init pin (ppc input)     */
+#endif
+
+#define ERROR_FPGA_PRG_INIT_LOW  -1        /* Timeout after PRG* asserted   */
+#define ERROR_FPGA_PRG_INIT_HIGH -2        /* Timeout after PRG* deasserted */
+#define ERROR_FPGA_PRG_DONE      -3        /* Timeout after programming     */
+
+#define SET_FPGA(data)         out32(GPIO0_OR, data)
+
+#define FPGA_WRITE_1 {                                                    \
+        SET_FPGA(FPGA_PRG |            FPGA_DATA);  /* set clock to 0 */  \
+        SET_FPGA(FPGA_PRG |            FPGA_DATA);  /* set data to 1  */  \
+        SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);  /* set clock to 1 */  \
+        SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);} /* set data to 1  */
+
+#define FPGA_WRITE_0 {                                                    \
+        SET_FPGA(FPGA_PRG |            FPGA_DATA);  /* set clock to 0 */  \
+        SET_FPGA(FPGA_PRG);                         /* set data to 0  */  \
+        SET_FPGA(FPGA_PRG | FPGA_CLK);              /* set clock to 1 */  \
+        SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);} /* set data to 1  */
+
+#if 0
+static int fpga_boot (unsigned char *fpgadata, int size)
+{
+	int i, index, len;
+	int count;
+
+#ifdef CFG_FPGA_SPARTAN2
+	int j;
+#else
+	unsigned char b;
+	int bit;
+#endif
+
+	/* display infos on fpgaimage */
+	index = 15;
+	for (i = 0; i < 4; i++) {
+		len = fpgadata[index];
+		DBG ("FPGA: %s\n", &(fpgadata[index + 1]));
+		index += len + 3;
+	}
+
+#ifdef CFG_FPGA_SPARTAN2
+	/* search for preamble 0xFFFFFFFF */
+	while (1) {
+		if ((fpgadata[index] == 0xff) && (fpgadata[index + 1] == 0xff)
+		    && (fpgadata[index + 2] == 0xff)
+		    && (fpgadata[index + 3] == 0xff))
+			break;	/* preamble found */
+		else
+			index++;
+	}
+#else
+	/* search for preamble 0xFF2X */
+	for (index = 0; index < size - 1; index++) {
+		if ((fpgadata[index] == 0xff)
+		    && ((fpgadata[index + 1] & 0xf0) == 0x30))
+			break;
+	}
+	index += 2;
+#endif
+
+	DBG ("FPGA: configdata starts at position 0x%x\n", index);
+	DBG ("FPGA: length of fpga-data %d\n", size - index);
+
+	/*
+	 * Setup port pins for fpga programming
+	 */
+	out32 (GPIO0_ODR, 0x00000000);	/* no open drain pins */
+	out32 (GPIO0_TCR, in32 (GPIO0_TCR) | FPGA_PRG | FPGA_CLK | FPGA_DATA);	/* setup for output */
+	out32 (GPIO0_OR, in32 (GPIO0_OR) | FPGA_PRG | FPGA_CLK | FPGA_DATA);	/* set pins to high */
+
+	DBG ("%s, ",
+	     ((in32 (GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE");
+	DBG ("%s\n",
+	     ((in32 (GPIO0_IR) & FPGA_INIT) == 0) ? "NOT INIT" : "INIT");
+
+	/*
+	 * Init fpga by asserting and deasserting PROGRAM*
+	 */
+	SET_FPGA (FPGA_CLK | FPGA_DATA);
+
+	/* Wait for FPGA init line low */
+	count = 0;
+	while (in32 (GPIO0_IR) & FPGA_INIT) {
+		udelay (1000);	/* wait 1ms */
+		/* Check for timeout - 100us max, so use 3ms */
+		if (count++ > 3) {
+			DBG ("FPGA: Booting failed!\n");
+			return ERROR_FPGA_PRG_INIT_LOW;
+		}
+	}
+
+	DBG ("%s, ",
+	     ((in32 (GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE");
+	DBG ("%s\n",
+	     ((in32 (GPIO0_IR) & FPGA_INIT) == 0) ? "NOT INIT" : "INIT");
+
+	/* deassert PROGRAM* */
+	SET_FPGA (FPGA_PRG | FPGA_CLK | FPGA_DATA);
+
+	/* Wait for FPGA end of init period .  */
+	count = 0;
+	while (!(in32 (GPIO0_IR) & FPGA_INIT)) {
+		udelay (1000);	/* wait 1ms */
+		/* Check for timeout */
+		if (count++ > 3) {
+			DBG ("FPGA: Booting failed!\n");
+			return ERROR_FPGA_PRG_INIT_HIGH;
+		}
+	}
+
+	DBG ("%s, ",
+	     ((in32 (GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE");
+	DBG ("%s\n",
+	     ((in32 (GPIO0_IR) & FPGA_INIT) == 0) ? "NOT INIT" : "INIT");
+
+	DBG ("write configuration data into fpga\n");
+	/* write configuration-data into fpga... */
+
+#ifdef CFG_FPGA_SPARTAN2
+	/*
+	 * Load uncompressed image into fpga
+	 */
+	for (i = index; i < size; i++) {
+		for (j = 0; j < 8; j++) {
+			if ((fpgadata[i] & 0x80) == 0x80) {
+				FPGA_WRITE_1;
+			} else {
+				FPGA_WRITE_0;
+			}
+			fpgadata[i] <<= 1;
+		}
+	}
+#else	/* ! CFG_FPGA_SPARTAN2 */
+	/* send 0xff 0x20 */
+	FPGA_WRITE_1;
+	FPGA_WRITE_1;
+	FPGA_WRITE_1;
+	FPGA_WRITE_1;
+	FPGA_WRITE_1;
+	FPGA_WRITE_1;
+	FPGA_WRITE_1;
+	FPGA_WRITE_1;
+	FPGA_WRITE_0;
+	FPGA_WRITE_0;
+	FPGA_WRITE_1;
+	FPGA_WRITE_0;
+	FPGA_WRITE_0;
+	FPGA_WRITE_0;
+	FPGA_WRITE_0;
+	FPGA_WRITE_0;
+
+	/*
+	 ** Bit_DeCompression
+	 **   Code 1           .. maxOnes     : n                 '1's followed by '0'
+	 **        maxOnes + 1 .. maxOnes + 1 : n - 1             '1's no '0'
+	 **        maxOnes + 2 .. 254         : n - (maxOnes + 2) '0's followed by '1'
+	 **        255                        :                   '1'
+	 */
+
+	for (i = index; i < size; i++) {
+		b = fpgadata[i];
+		if ((b >= 1) && (b <= MAX_ONES)) {
+			for (bit = 0; bit < b; bit++) {
+				FPGA_WRITE_1;
+			}
+			FPGA_WRITE_0;
+		} else if (b == (MAX_ONES + 1)) {
+			for (bit = 1; bit < b; bit++) {
+				FPGA_WRITE_1;
+			}
+		} else if ((b >= (MAX_ONES + 2)) && (b <= 254)) {
+			for (bit = 0; bit < (b - (MAX_ONES + 2)); bit++) {
+				FPGA_WRITE_0;
+			}
+			FPGA_WRITE_1;
+		} else if (b == 255) {
+			FPGA_WRITE_1;
+		}
+	}
+#endif	/* CFG_FPGA_SPARTAN2 */
+
+	DBG ("%s, ",
+	     ((in32 (GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE");
+	DBG ("%s\n",
+	     ((in32 (GPIO0_IR) & FPGA_INIT) == 0) ? "NOT INIT" : "INIT");
+
+	/*
+	 * Check if fpga's DONE signal - correctly booted ?
+	 */
+
+	/* Wait for FPGA end of programming period .  */
+	count = 0;
+	while (!(in32 (GPIO0_IR) & FPGA_DONE)) {
+		udelay (1000);	/* wait 1ms */
+		/* Check for timeout */
+		if (count++ > 3) {
+			DBG ("FPGA: Booting failed!\n");
+			return ERROR_FPGA_PRG_DONE;
+		}
+	}
+
+	DBG ("FPGA: Booting successful!\n");
+	return 0;
+}
+#endif	/* 0 */
diff --git a/board/dave/common/pci.c b/board/dave/common/pci.c
new file mode 100644
index 0000000..f8f180c
--- /dev/null
+++ b/board/dave/common/pci.c
@@ -0,0 +1,202 @@
+/*
+ * (C) Copyright 2001
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ *
+ * 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 <ppc4xx.h>
+#include <asm/processor.h>
+#include <pci.h>
+
+
+u_long pci9054_iobase;
+
+
+#define PCI_PRIMARY_CAR	(0x500000dc) /* PCI config address reg */
+#define PCI_PRIMARY_CDR	(0x80000000) /* PCI config data    reg */
+
+
+/*-----------------------------------------------------------------------------+
+|  Subroutine:  pci9054_read_config_dword
+|  Description: Read a PCI configuration register
+|  Inputs:
+|               hose            PCI Controller
+|               dev             PCI Bus+Device+Function number
+|               offset          Configuration register number
+|               value           Address of the configuration register value
+|  Return value:
+|               0               Successful
++-----------------------------------------------------------------------------*/
+int pci9054_read_config_dword(struct pci_controller *hose,
+			      pci_dev_t dev, int offset, u32* value)
+{
+  unsigned long      conAdrVal;
+  unsigned long      val;
+
+  /* generate coded value for CON_ADR register */
+  conAdrVal = dev | (offset & 0xfc) | 0x80000000;
+
+  /* Load the CON_ADR (CAR) value first, then read from CON_DATA (CDR) */
+  *(unsigned long *)PCI_PRIMARY_CAR = conAdrVal;
+
+  /* Note: *pResult comes back as -1 if machine check happened */
+  val = in32r(PCI_PRIMARY_CDR);
+
+  *value = (unsigned long) val;
+
+  out32r(PCI_PRIMARY_CAR, 0);
+
+  if ((*(unsigned long *)0x50000304) & 0x60000000)
+    {
+      /* clear pci master/target abort bits */
+      *(unsigned long *)0x50000304 = *(unsigned long *)0x50000304;
+    }
+
+  return 0;
+}
+
+/*-----------------------------------------------------------------------------+
+|  Subroutine:  pci9054_write_config_dword
+|  Description: Write a PCI configuration register.
+|  Inputs:
+|               hose            PCI Controller
+|               dev             PCI Bus+Device+Function number
+|               offset          Configuration register number
+|               Value           Configuration register value
+|  Return value:
+|               0               Successful
+| Updated for pass2 errata #6. Need to disable interrupts and clear the
+| PCICFGADR reg after writing the PCICFGDATA reg.
++-----------------------------------------------------------------------------*/
+int pci9054_write_config_dword(struct pci_controller *hose,
+			       pci_dev_t dev, int offset, u32 value)
+{
+  unsigned long      conAdrVal;
+
+  conAdrVal = dev | (offset & 0xfc) | 0x80000000;
+
+  *(unsigned long *)PCI_PRIMARY_CAR = conAdrVal;
+
+  out32r(PCI_PRIMARY_CDR, value);
+
+  out32r(PCI_PRIMARY_CAR, 0);
+
+  /* clear pci master/target abort bits */
+  *(unsigned long *)0x50000304 = *(unsigned long *)0x50000304;
+
+  return (0);
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+#ifdef CONFIG_DASA_SIM
+static void pci_dasa_sim_config_pci9054(struct pci_controller *hose, pci_dev_t dev,
+					struct pci_config_table *_)
+{
+  unsigned int iobase;
+  unsigned short status = 0;
+  unsigned char timer;
+
+  /*
+   * Configure PLX PCI9054
+   */
+  pci_read_config_word(CFG_PCI9054_DEV_FN, PCI_COMMAND, &status);
+  status |= PCI_COMMAND_MASTER | PCI_COMMAND_IO | PCI_COMMAND_MEMORY;
+  pci_write_config_word(CFG_PCI9054_DEV_FN, PCI_COMMAND, status);
+
+  /* Check the latency timer for values >= 0x60.
+   */
+  pci_read_config_byte(CFG_PCI9054_DEV_FN, PCI_LATENCY_TIMER, &timer);
+  if (timer < 0x60)
+    {
+      pci_write_config_byte(CFG_PCI9054_DEV_FN, PCI_LATENCY_TIMER, 0x60);
+    }
+
+  /* Set I/O base register.
+   */
+  pci_write_config_dword(CFG_PCI9054_DEV_FN, PCI_BASE_ADDRESS_0, CFG_PCI9054_IOBASE);
+  pci_read_config_dword(CFG_PCI9054_DEV_FN, PCI_BASE_ADDRESS_0, &iobase);
+
+  pci9054_iobase = pci_mem_to_phys(CFG_PCI9054_DEV_FN, iobase & PCI_BASE_ADDRESS_MEM_MASK);
+
+  if (pci9054_iobase == 0xffffffff)
+    {
+      printf("Error: Can not set I/O base register.\n");
+      return;
+    }
+}
+#endif
+
+static struct pci_config_table pci9054_config_table[] = {
+#ifndef CONFIG_PCI_PNP
+  { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+    PCI_BUS(CFG_ETH_DEV_FN), PCI_DEV(CFG_ETH_DEV_FN), PCI_FUNC(CFG_ETH_DEV_FN),
+    pci_cfgfunc_config_device, { CFG_ETH_IOBASE,
+				 CFG_ETH_IOBASE,
+				 PCI_COMMAND_IO | PCI_COMMAND_MASTER }},
+#ifdef CONFIG_DASA_SIM
+  { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+    PCI_BUS(CFG_PCI9054_DEV_FN), PCI_DEV(CFG_PCI9054_DEV_FN), PCI_FUNC(CFG_PCI9054_DEV_FN),
+    pci_dasa_sim_config_pci9054 },
+#endif
+#endif
+  { }
+};
+
+static struct pci_controller pci9054_hose = {
+  config_table: pci9054_config_table,
+};
+
+void pci_init(void)
+{
+  struct pci_controller *hose = &pci9054_hose;
+
+  /*
+   * Register the hose
+   */
+  hose->first_busno = 0;
+  hose->last_busno = 0xff;
+
+  /* System memory space */
+  pci_set_region(hose->regions + 0,
+		 0x00000000, 0x00000000, 0x01000000,
+		 PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+  /* PCI Memory space */
+  pci_set_region(hose->regions + 1,
+		 0x00000000, 0xc0000000, 0x10000000,
+		 PCI_REGION_MEM);
+
+  pci_set_ops(hose,
+	      pci_hose_read_config_byte_via_dword,
+	      pci_hose_read_config_word_via_dword,
+	      pci9054_read_config_dword,
+	      pci_hose_write_config_byte_via_dword,
+	      pci_hose_write_config_word_via_dword,
+	      pci9054_write_config_dword);
+
+  hose->region_count = 2;
+
+  pci_register_hose(hose);
+
+  hose->last_busno = pci_hose_scan(hose);
+}