option.inc

来自「基于2410的一个iis总线测试程序 声音控制芯片是飞利浦的UTS1341 」· INC 代码 · 共 80 行

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

;Start address of each stacks,
_STACK_BASEADDRESS	EQU 0x33ff8000  
_MMUTT_STARTADDRESS	EQU 0x33ff8000  
_ISR_STARTADDRESS	EQU 0x33ffff00
_BOOT_RAM_BASE		EQU 0x30000000

	GBLL	DEBUG_LED
DEBUG_LED		SETL	{FALSE}
	
	GBLL	NOR_COPY
NOR_COPY		SETL	{TRUE}

	GBLL	NAND_BOOT
NAND_BOOT		SETL	{FALSE}

	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

    [	FCLK = 20000000	
M_MDIV	EQU	0x20	;Fin=12.0MHz Fout=30.0MHz
M_PDIV	EQU	0x4
M_SDIV	EQU	0x2
    ]

    [	FCLK = 30000000	
M_MDIV	EQU	0x34	;Fin=12.0MHz Fout=30.0MHz
M_PDIV	EQU	0x4
M_SDIV	EQU	0x2
    ]

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

    [	FCLK = 60000000	
M_MDIV	EQU	0x70	;Fin=12.0MHz Fout=60.0MHz
M_PDIV	EQU	0x4
M_SDIV	EQU	0x2
    ]

    [	FCLK = 70000000	
M_MDIV	EQU	0x84	;Fin=12.0MHz Fout=70.0MHz
M_PDIV	EQU	0x4
M_SDIV	EQU	0x2
    ]

    [	FCLK = 75000000	
M_MDIV	EQU	0x8e	;Fin=12.0MHz Fout=75.0MHz
M_PDIV	EQU	0x4
M_SDIV	EQU	0x2
    ]

 END