www.pudn.com > ARM9_PROGRAM.rar > k9s1208_s.s

;************************************************************* 
; NAME : NAND FLASH Subroutine for a410 bootstrap 
; DATE : 18.FEB.2002 
; DESC : 
;  18.FEB.2002:purnnamu: modified for A410 
;************************************************************* 
 
A410_BASE_ADDR	EQU	0x2000000 
 
	AREA |C$$code|, CODE, READONLY 
	 
	EXPORT	__RdPage512 
__RdPage512 
	;input:a1(r0)=pPage 
	stmfd	sp!,{r1-r11} 
	mov	a2,#A410_BASE_ADDR 
	mov	a3,#0x200 
0	ldmia	a2,{r4-r11} 
	stmia	a1!,{r4-r11} 
	subs	a3,a3,#32 
	bne	%B0 
 
	ldmfd	sp!,{r1-r11} 
	mov		pc,lr 
	 
	 
 
	EXPORT	__WrPage512 
__WrPage512 
	;input:a1(r0)=pPage 
	stmfd	sp!,{r1-r11} 
	mov 	a2,#A410_BASE_ADDR 
	mov		a3,#0x200 
0	ldmia	a1!,{r4-r11} 
	stmia	a2,{r4-r11} 
	subs	a3,a3,#32 
	bne		%B0 
 
	ldmfd	sp!,{r1-r11} 
	mov		pc,lr 
 
	END