option.inc

s3c2410引导程序

;===========================================
; NAME: OPTION.A
; DESC: Configuration options for .S files
; HISTORY:
; 02.28.2002: ver 0.0
;===========================================

SDRAM_END			EQU	0x34000000

;Start address of each stacks,
_STACK_BASEADDRESS	EQU (SDRAM_END-0x8000)	;0x33ff8000
_MMUTT_STARTADDRESS	EQU (SDRAM_END-0x8000)	;0x33ff8000
_ISR_STARTADDRESS	EQU (SDRAM_END-0x100)	;0x33ffff00

		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


		GBLA	FCLK
;FCLK		SETA	50000000	;50MHz
FCLK		SETA	200000000	;200MHz

	[ FCLK = 50000000
CLKDIV_VAL	EQU 0		;X=F:H:P 0=1:1:1, 1=1:1:2, 2=1:2:2, 3=1:2:4, 4=1:4:4, 5=1:4:8, 6=1:3:3, 7=1:3:6	
M_MDIV		EQU	0x5c	;Fin=12.0MHz Fout=50.0MHz
M_PDIV		EQU	0x4
M_SDIV		EQU	0x2
U_MDIV		EQU	120
U_PDIV		EQU	2
U_SDIV		EQU	3
    ]
    
    [ FCLK = 200000000
CLKDIV_VAL	EQU 2		;X=F:H:P 0=1:1:1, 1=1:1:2, 2=1:2:2, 3=1:2:4, 4=1:4:4, 5=1:4:8, 6=1:3:3, 7=1:3:6	
M_MDIV		EQU	92		;Fin=12.0MHz Fout=200.0MHz
M_PDIV		EQU	1
M_SDIV		EQU	1
U_MDIV		EQU	120
U_PDIV		EQU	2
U_SDIV		EQU	3
    ]

	END