option.a

三星ARM9 CPU S3C2410 底层开发驱动包-Samsung ARM9 CPU bottom S3C2410 development drive packages

;===========================================
; NAME: OPTION.A
; DESC: Configuration options for .S files
; HISTORY:
; 02.08.2001:purnnamu: draft ver 0.0
; 03.15.2001:purnnamu: draft ver 0.1	
; 03.23.2001:purnnamu: draft ver 0.11
; 05.04.2001:purnnamu: ENTRY_BUS_WIDTH,BIG_ENDIAN items are added.
;===========================================

;Start address of each stacks,
_STACK_BASEADDRESS	EQU 0x0dff8000  
_MMUTT_STARTADDRESS	EQU 0x0dff8000  
_ISR_STARTADDRESS   	EQU 0x0dffff00

	GBLL 	PLL_ON_START  
PLL_ON_START	SETL 	{TRUE}

	GBLL	ENDIAN_CHANGE
ENDIAN_CHANGE	SETL	{FALSE}

	GBLA	ENTRY_BUS_WIDTH
ENTRY_BUS_WIDTH	SETA	16	

;BUSWIDTH = 16,32
	GBLA    BUSWIDTH	;max. bus width for the GPIO configuration
BUSWIDTH	SETA    32

	GBLL	ISR_2ADDR
ISR_2ADDR	SETL	{TRUE}


	GBLA	FCLK
FCLK		SETA	50000000

    [	FCLK = 50000000	
M_MDIV	EQU	0x5c	;Fin=12.0MHz Fout=50.0MHz
M_PDIV	EQU	0x4
M_SDIV	EQU	0x2
    ]

	END