www.pudn.com > jtag_src.rar > init.s

;************************************************************** 
;	 
;	This an simple implementation of  bootloader for S3C4510B 
;	Hope it is useful to you. 
;	 
;	Enjoy it!  
; 
;************************************************************** 
 
  
	AREA    Init, CODE, READONLY 
	GET snds.s 
	  
	ENTRY 
	  
 
	 
	CODE32	 
	 
 
	LDR r0, = ARM7_IOPMOD 
	LDR r1, =0xff 
	STR r1, [r0]			 
	LDR r0, =ARM7_IOPDATA 
	 
	LDR r1, =0x7E 
	LDR r2, =0x7D 
	LDR r3, =0x7B 
	LDR r4, =0x77  
	LDR r5, =0xEE 
	LDR r6, =0xDE 
	LDR r7, =0xBE 
	 
	STR r1, [r0]	 
	STR r2, [r0] 
	STR r3, [r0] 
	STR r4, [r0] 
	STR r5, [r0]	 
	STR r6, [r0] 
	STR r7, [r0]		 
	 
LOOP 
	B LOOP;	 
	 
        END