diff --git a/board/eltec/elppc/flash.c b/board/eltec/elppc/flash.c
index 73496a1..442dd00 100644
--- a/board/eltec/elppc/flash.c
+++ b/board/eltec/elppc/flash.c
@@ -57,7 +57,7 @@
     /* Init: no FLASHes known */
     for (i=0; i<CFG_MAX_FLASH_BANKS; ++i)
     {
-        flash_info[i].flash_id = FLASH_UNKNOWN;
+	flash_info[i].flash_id = FLASH_UNKNOWN;
     }
 
     /* initialise 1st flash */
@@ -65,8 +65,8 @@
 
     if (flash_info[0].flash_id == FLASH_UNKNOWN)
     {
-        printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
-            size1, size1<<20);
+	printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+	    size1, size1<<20);
     }
 
     /* initialise 2nd flash */
@@ -74,31 +74,31 @@
 
     if (flash_info[1].flash_id == FLASH_UNKNOWN)
     {
-        printf ("## Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n",
-            size2, size2<<20);
+	printf ("## Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n",
+	    size2, size2<<20);
     }
 
     /* monitor protection ON by default */
     if (size1 == 512*1024)
     {
-        (void)flash_protect(FLAG_PROTECT_SET,
-                FLASH_BASE0_PRELIM,
-                FLASH_BASE0_PRELIM+monitor_flash_len-1,
-                &flash_info[0]);
+	(void)flash_protect(FLAG_PROTECT_SET,
+		FLASH_BASE0_PRELIM,
+		FLASH_BASE0_PRELIM+monitor_flash_len-1,
+		&flash_info[0]);
     }
     if (size2 == 512*1024)
     {
-        (void)flash_protect(FLAG_PROTECT_SET,
-                FLASH_BASE1_PRELIM,
-                FLASH_BASE1_PRELIM+monitor_flash_len-1,
-                &flash_info[1]);
+	(void)flash_protect(FLAG_PROTECT_SET,
+		FLASH_BASE1_PRELIM,
+		FLASH_BASE1_PRELIM+monitor_flash_len-1,
+		&flash_info[1]);
     }
     if (size2 == 4*1024*1024)
     {
-        (void)flash_protect(FLAG_PROTECT_SET,
-                CFG_FLASH_BASE,
-                CFG_FLASH_BASE+monitor_flash_len-1,
-                &flash_info[1]);
+	(void)flash_protect(FLAG_PROTECT_SET,
+		CFG_FLASH_BASE,
+		CFG_FLASH_BASE+monitor_flash_len-1,
+		&flash_info[1]);
     }
 
     return (size1 + size2);
@@ -115,72 +115,72 @@
     volatile unsigned long *flash;
 
     if (info->flash_id == FLASH_UNKNOWN) {
-        printf ("missing or unknown FLASH type\n");
-        flash_init();
+	printf ("missing or unknown FLASH type\n");
+	flash_init();
     }
 
     if (info->flash_id == FLASH_UNKNOWN) {
-        printf ("missing or unknown FLASH type\n");
-        return;
+	printf ("missing or unknown FLASH type\n");
+	return;
     }
 
     switch (info->flash_id & FLASH_VENDMASK) {
     case FLASH_MAN_AMD:
-        printf ("AMD ");
-        break;
+	printf ("AMD ");
+	break;
     default:
-        printf ("Unknown Vendor ");
-        break;
+	printf ("Unknown Vendor ");
+	break;
     }
 
     switch (info->flash_id & FLASH_TYPEMASK) {
     case AMD_ID_F040B:
-        printf ("AM29F040B (4 Mbit)\n");
-        break;
+	printf ("AM29F040B (4 Mbit)\n");
+	break;
     case AMD_ID_F016D:
-        printf ("AM29F016D (16 Mbit)\n");
-        break;
+	printf ("AM29F016D (16 Mbit)\n");
+	break;
     case AMD_ID_F032B:
-        printf ("AM29F032B (32 Mbit)\n");
-        break;
+	printf ("AM29F032B (32 Mbit)\n");
+	break;
    default:
-        printf ("Unknown Chip Type\n");
-        break;
+	printf ("Unknown Chip Type\n");
+	break;
     }
 
     if (info->size >= (1 << 20)) {
-        printf ("  Size: %ld MB in %d Sectors\n", info->size >> 20, info->sector_count);
+	printf ("  Size: %ld MB in %d Sectors\n", info->size >> 20, info->sector_count);
     } else {
-        printf ("  Size: %ld kB in %d Sectors\n", info->size >> 10, info->sector_count);
+	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];
+	/*
+	* 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;
-            }
-        }
+	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   ");
+	if ((i % 5) == 0)
+	    printf ("\n   ");
 
-        printf (" %08lX%s%s",
-            info->start[i],
-            erased ? " E" : "  ",
-            info->protect[i] ? "RO " : "   ");
+	printf (" %08lX%s%s",
+	    info->start[i],
+	    erased ? " E" : "  ",
+	    info->protect[i] ? "RO " : "   ");
     }
     printf ("\n");
 }
@@ -226,37 +226,37 @@
     /* We accept only two AMD types */
     switch (vendor) {
     case (FLASH_WORD_SIZE)AMD_MANUFACT:
-        info->flash_id = FLASH_MAN_AMD;
-        break;
+	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  */
+	info->flash_id = FLASH_UNKNOWN;
+	info->sector_count = 0;
+	info->size = 0;
+	return (0);         /* no or unknown flash  */
     }
 
     switch (devid) {
     case (FLASH_WORD_SIZE)AMD_ID_F040B:
-        info->flash_id |= AMD_ID_F040B;
-        info->sector_count = 8;
-        info->size = 0x00080000;
-        break;              /* => 0.5 MB      */
+	info->flash_id |= AMD_ID_F040B;
+	info->sector_count = 8;
+	info->size = 0x00080000;
+	break;              /* => 0.5 MB      */
 
     case (FLASH_WORD_SIZE)AMD_ID_F016D:
-        info->flash_id |= AMD_ID_F016D;
-        info->sector_count = 32;
-        info->size         = 0x00200000;
-        break;              /* => 2 MB      */
+	info->flash_id |= AMD_ID_F016D;
+	info->sector_count = 32;
+	info->size         = 0x00200000;
+	break;              /* => 2 MB      */
 
     case (FLASH_WORD_SIZE)AMD_ID_F032B:
-        info->flash_id |= AMD_ID_F032B;
-        info->sector_count = 64;
-        info->size         = 0x00400000;
-        break;              /* => 4 MB      */
+	info->flash_id |= AMD_ID_F032B;
+	info->sector_count = 64;
+	info->size         = 0x00400000;
+	break;              /* => 4 MB      */
 
     default:
-        info->flash_id = FLASH_UNKNOWN;
-        return (0);         /* => no or unknown flash */
+	info->flash_id = FLASH_UNKNOWN;
+	return (0);         /* => no or unknown flash */
 
     }
 
@@ -266,20 +266,20 @@
 
     /* check for protected sectors */
     for (i = 0; i < info->sector_count; i++) {
-        /* sector base address */
-        info->start[i] = base + i * (info->size / info->sector_count);
-        /* read sector protection at sector address, (A7 .. A0) = 0x02 */
-        /* D0 = 1 if protected */
-        caddr = (volatile unsigned char *)(info->start[i]);
-        info->protect[i] = caddr[2] & 1;
+	/* sector base address */
+	info->start[i] = base + i * (info->size / info->sector_count);
+	/* read sector protection at sector address, (A7 .. A0) = 0x02 */
+	/* D0 = 1 if protected */
+	caddr = (volatile unsigned char *)(info->start[i]);
+	info->protect[i] = caddr[2] & 1;
     }
 
     /*
      * Prevent writes to uninitialized FLASH.
      */
     if (info->flash_id != FLASH_UNKNOWN) {
-        caddr = (volatile unsigned char *)info->start[0];
-        caddr[0] = 0xF0;   /* reset bank */
+	caddr = (volatile unsigned char *)info->start[0];
+	caddr[0] = 0xF0;   /* reset bank */
     }
 
     return (info->size);
@@ -295,32 +295,32 @@
     int rc = 0;
 
     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 ("- 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 - aborted\n");
-        return 1;
+	(info->flash_id > FLASH_AMD_COMP)) {
+	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 (info->protect[sect]) {
+	    prot++;
+	}
     }
 
     if (prot) {
-        printf ("- Warning: %d protected sectors will not be erased!\n",
-            prot);
+	printf ("- Warning: %d protected sectors will not be erased!\n",
+	    prot);
     } else {
-        printf ("\n");
+	printf ("\n");
     }
 
     l_sect = -1;
@@ -336,26 +336,26 @@
 
     /* Start erase on unprotected sectors */
     for (sect = s_first; sect<=s_last; sect++) {
-        if (info->protect[sect] == 0) { /* not protected */
-            addr = (FLASH_WORD_SIZE *)(info->start[sect]);
-            if (info->flash_id & FLASH_MAN_SST) {
-                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;
-                addr[0] = (FLASH_WORD_SIZE)0x00500050;  /* block erase */
-                udelay(30000);  /* wait 30 ms */
-            }
-            else
-                addr[0] = (FLASH_WORD_SIZE)0x00300030;  /* sector erase */
-            l_sect = sect;
-        }
+	if (info->protect[sect] == 0) { /* not protected */
+	    addr = (FLASH_WORD_SIZE *)(info->start[sect]);
+	    if (info->flash_id & FLASH_MAN_SST) {
+		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;
+		addr[0] = (FLASH_WORD_SIZE)0x00500050;  /* block erase */
+		udelay(30000);  /* wait 30 ms */
+	    }
+	    else
+		addr[0] = (FLASH_WORD_SIZE)0x00300030;  /* sector erase */
+	    l_sect = sect;
+	}
     }
 
     /* re-enable interrupts if necessary */
     if (flag)
-        enable_interrupts();
+	enable_interrupts();
 
     /* wait at least 80us - let's wait 1 ms */
     udelay (1000);
@@ -364,21 +364,21 @@
      * We wait for the last triggered sector
      */
     if (l_sect < 0)
-        goto DONE;
+	goto DONE;
 
     start = get_timer (0);
     last  = start;
     addr = (FLASH_WORD_SIZE *)(info->start[l_sect]);
     while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (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 */
-            serial_putc ('.');
-            last = now;
-        }
+	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 */
+	    serial_putc ('.');
+	    last = now;
+	}
     }
 
 DONE:
@@ -408,42 +408,42 @@
      * 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);
-        }
+	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;
+	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;
+	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);
+	return (0);
     }
 
     /*
@@ -451,11 +451,11 @@
      */
     data = 0;
     for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
-        data = (data << 8) | *src++;
-        --cnt;
+	data = (data << 8) | *src++;
+	--cnt;
     }
     for (; i<4; ++i, ++cp) {
-        data = (data << 8) | (*(uchar *)cp);
+	data = (data << 8) | (*(uchar *)cp);
     }
 
     return (write_word(info, wp, data));
@@ -469,45 +469,44 @@
  */
 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;
+	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;
+	int i;
 
     /* Check if Flash is (sufficiently) erased */
     if ((*((volatile FLASH_WORD_SIZE *)dest) &
-             (FLASH_WORD_SIZE)data) != (FLASH_WORD_SIZE)data) {
-        return (2);
+	     (FLASH_WORD_SIZE)data) != (FLASH_WORD_SIZE)data) {
+	return (2);
     }
     /* Disable interrupts which might cause a timeout here */
     flag = disable_interrupts();
 
-        for (i=0; i<4/sizeof(FLASH_WORD_SIZE); i++)
-          {
-            addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
-            addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
-            addr2[ADDR0] = (FLASH_WORD_SIZE)0x00A000A0;
+	for (i=0; i<4/sizeof(FLASH_WORD_SIZE); i++)
+	  {
+	    addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+	    addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+	    addr2[ADDR0] = (FLASH_WORD_SIZE)0x00A000A0;
 
-            dest2[i] = data2[i];
+	    dest2[i] = data2[i];
 
-            /* re-enable interrupts if necessary */
-            if (flag)
-              enable_interrupts();
+	    /* re-enable interrupts if necessary */
+	    if (flag)
+	      enable_interrupts();
 
-            /* data polling for D7 */
-            start = get_timer (0);
-            while ((dest2[i] & (FLASH_WORD_SIZE)0x00800080) !=
-                   (data2[i] & (FLASH_WORD_SIZE)0x00800080)) {
-              if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
-                return (1);
-              }
-            }
-          }
+	    /* data polling for D7 */
+	    start = get_timer (0);
+	    while ((dest2[i] & (FLASH_WORD_SIZE)0x00800080) !=
+		   (data2[i] & (FLASH_WORD_SIZE)0x00800080)) {
+	      if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+		return (1);
+	      }
+	    }
+	  }
 
     return (0);
 }
 
 /*----------------------------------------------------------------------------*/
-