option.s

来自「ucosII 2.84版源码」· S 代码 · 共 61 行

;**********OPTIONS*******************************


;BUSWIDTH 16 or 32
	GBLA    BUSWIDTH
BUSWIDTH	SETA    16


;BDRAMTYPE "DRAM" or "SDRAM"
	GBLS    BDRAMTYPE
BDRAMTYPE	SETS    "SDRAM"


;This value has to be TRUE on ROM program.
;This value has to be FALSE in RAM program.
	GBLL    PLLONSTART
PLLONSTART      SETL    {TRUE}

	GBLA	PLLCLK
PLLCLK		SETA	60000000

	[	PLLCLK = 40000000	
M_DIV	EQU	0x48	;Fin=10MHz Fout=40MHz
P_DIV	EQU	0x03
S_DIV	EQU	0x02		
	]

	[	PLLCLK = 50000000	
M_DIV	EQU	0x2A	;Fin=10MHz Fout=50MHz
P_DIV	EQU	0x03
S_DIV	EQU	0x01	
	]

	[	PLLCLK = 60000000	
;M_DIV	EQU	0x34	;Fin=12MHz Fout=60MHz
;P_DIV	EQU	0x04
;S_DIV	EQU	0x01
M_DIV	EQU	0x34	;Fin=10MHz Fout=60MHz
P_DIV	EQU	0x03
S_DIV	EQU	0x01
;M_DIV	EQU	0x34	;Fin=4MHz  Fout=60MHz
;P_DIV	EQU	0x00
;S_DIV	EQU	0x01
;M_DIV	EQU	0x48	;Fin=3MHz  Fout=60MHz
;P_DIV	EQU	0x00
;S_DIV	EQU	0x01
	]

	[	PLLCLK = 66000000	
M_DIV	EQU	0x3A	;Fin=10MHz Fout=66MHz
P_DIV	EQU	0x03
S_DIV	EQU	0x01		
	]

	[	PLLCLK = 75000000	;does not worked for S3C44B0X
M_DIV	EQU	0x43	;Fin=10MHz Fout=75MHz
P_DIV	EQU	0x03
S_DIV	EQU	0x01		
	]
;************************************************
	END