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diff --git a/board/sc520_cdp/sc520_cdp_asm.S b/board/sc520_cdp/sc520_cdp_asm.S
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+/*
+ * (C) Copyright 2002
+ * Daniel Engström, Omicron Ceti AB <daniel@omicron.se>.
+ *
+ * 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
+ */
+
+/* now setup the General purpose bus to give us access to the LEDs.
+ * We can then use the leds to display status information.
+ */
+
+sc520_cdp_registers:
+/* size offset value */
+.word 1 ; .word 0x040 ; .long 0x00 /* SDRAM buffer control */
+.word 2 ; .word 0xc08 ; .long 0x0001 /* GP CS offset */
+.word 2 ; .word 0xc09 ; .long 0x0003 /* GP CS width */
+.word 2 ; .word 0xc0a ; .long 0x0001 /* GP CS width */
+.word 2 ; .word 0xc0b ; .long 0x0003 /* GP RD pulse width */
+.word 2 ; .word 0xc0c ; .long 0x0001 /* GP RD offse */
+.word 2 ; .word 0xc0d ; .long 0x0003 /* GP WR pulse width */
+.word 2 ; .word 0xc0e ; .long 0x0001 /* GP WR offset */
+.word 2 ; .word 0xc2c ; .long 0x0000 /* GPIO directionreg */
+.word 2 ; .word 0xc2a ; .long 0x0000 /* GPIO directionreg */
+.word 2 ; .word 0xc22 ; .long 0xffff /* GPIO pin function 31-16 reg */
+.word 2 ; .word 0xc20 ; .long 0xffff /* GPIO pin function 15-0 reg */
+.word 2 ; .word 0x0c4 ; .long 0x28000680 /* PAR 15 for access to led 680 */
+.word 0 ; .word 0x000 ; .long 0x00
+
+/* board early intialization */
+.globl early_board_init
+early_board_init:
+ movl $sc520_cdp_registers,%esi
+init_loop:
+ movl $0xfffef000,%edi /* MMCR base to edi */
+ movw (%esi), %bx /* load sizer to bx */
+ cmpw $0, %bx /* if sie is 0 we're done */
+ je done
+ xorl %edx,%edx
+ movw 2(%esi), %dx /* load MMCR offset to dx */
+ addl %edx, %edi /* add offset to base in edi */
+ movl 4(%esi), %eax /* load value in eax */
+ cmpw $1, %bx
+ je byte /* byte op? */
+ cmpw $2, %bx
+ je word /* word op? */
+ movl %eax, (%edi) /* must be long, then */
+ jmp next
+byte: movb %al,(%edi)
+ jmp next
+word: movw %ax,(%edi)
+next: addl $8, %esi /* advance esi */
+ jmp init_loop
+
+ /* the leds ad 0x80 and 0x680 should now work */
+done: movb $0x88, %al
+ out %al, $0x80
+ movw $0x680, %dx
+ out %al, %dx
+
+ jmp *%ebp /* return to caller */
+
+
+.globl __show_boot_progress
+__show_boot_progress:
+ out %al, $0x80
+ xchg %al, %ah
+ movw $0x680, %dx
+ out %al, %dx
+ jmp *%ebp
+