snds.s

基于S3C4510B的应用程序开发

;/*************************************************************************/
;/* Format of the Program Status Register                                 */
;/*************************************************************************/
;/*                                                                       */
;/* 31  30  29   28         7   6   5   4   3   2   1   0                 */
;/*+---+---+---+---+--ss--+---+---+---+---+---+---+---+---+               */
;/*| N | Z | C | V |      | I | F | T |     M4 ~ M0       |               */
;/*+---+---+---+---+--ss--+---+---+---+---+---+---+---+---+               */
;/*                                                                       */
;/* Processor Mode and Mask                                               */
;/*                                                                       */
;/*************************************************************************/
;

Mode_USR        EQU     0x10
Mode_FIQ        EQU     0x11
Mode_IRQ        EQU     0x12
Mode_SVC        EQU     0x13
Mode_ABT        EQU     0x17
Mode_UND        EQU     0x1B
Mode_SYS        EQU     0x1F 

MASK_MODE		EQU		0x0000003F
MODE_SVC32		EQU		0x00000013

I_BIT           EQU     0x80 ; when I bit is set, IRQ is disabled
F_BIT           EQU     0x40 ; when F bit is set, FIQ is disabled



ASIC_BASE  	 	EQU 	0x03ff0000


;SYSTEM MANAGER REGISTERS 
ARM7_SYSCFG	    EQU 	(ASIC_BASE+0x0000)
ARM7_CLKCON  	EQU 	(ASIC_BASE+0x3000)
ARM7_EXTACON0   EQU 	(ASIC_BASE+0x3008)
ARM7_EXTACON1   EQU 	(ASIC_BASE+0x300c)
ARM7_EXTDBWTH   EQU 	(ASIC_BASE+0x3010)
ARM7_ROMCON0  	EQU 	(ASIC_BASE+0x3014)
ARM7_ROMCON1  	EQU 	(ASIC_BASE+0x3018)
ARM7_ROMCON2  	EQU 	(ASIC_BASE+0x301c)
ARM7_ROMCON3  	EQU 	(ASIC_BASE+0x3020)
ARM7_ROMCON4  	EQU 	(ASIC_BASE+0x3024)
ARM7_ROMCON5  	EQU 	(ASIC_BASE+0x3028)
ARM7_DRAMCON0   EQU 	(ASIC_BASE+0x302c)
ARM7_DRAMCON1   EQU 	(ASIC_BASE+0x3030)
ARM7_DRAMCON2   EQU 	(ASIC_BASE+0x3034)
ARM7_DRAMCON3   EQU 	(ASIC_BASE+0x3038)
ARM7_REFEXTCON  EQU 	(ASIC_BASE+0x303c)

; controller registers
ARM7_INTMODE 	EQU 	(ASIC_BASE+0x4000)
ARM7_INTPEND 	EQU 	(ASIC_BASE+0x4004)
ARM7_INTMASK 	EQU 	(ASIC_BASE+0x4008)
ARM7_INTOFFSET  EQU 	(ASIC_BASE+0x4024)
ARM7_INTPENDTST EQU  	(ASIC_BASE+0x402c)

ARM7_INTPRI0 	EQU 	(ASIC_BASE+0x400C)
ARM7_INTPRI1 	EQU 	(ASIC_BASE+0x4010)
ARM7_INTPRI2 	EQU 	(ASIC_BASE+0x4014)
ARM7_INTPRI3 	EQU 	(ASIC_BASE+0x4018)
ARM7_INTPRI4 	EQU 	(ASIC_BASE+0x401C)
ARM7_INTPRI5 	EQU 	(ASIC_BASE+0x4020)

ARM7_INTOSET_FIQ  	EQU 	(ASIC_BASE+0x4030)
ARM7_INTOSET_IRQ  	EQU 	(ASIC_BASE+0x4034)


; I/O Port Interface  
ARM7_IOPMOD 		EQU 	(ASIC_BASE+0x5000)
ARM7_IOPCON 	 	EQU 	(ASIC_BASE+0x5004)
ARM7_IOPDATA 		EQU 	(ASIC_BASE+0x5008)

; IIC Registers 
ARM7_IICCON    		EQU  	(ASIC_BASE+0xf000)
ARM7_IICBUF    		EQU  	(ASIC_BASE+0xf004)
ARM7_IICPS     		EQU 	(ASIC_BASE+0xf008)
ARM7_IICCNT    		EQU 	(ASIC_BASE+0xf00c)


;/*************************************************************************/
;/*  SYSTEM MEMORY CONTROL REGISTER EQU TABLES                            */
;/*************************************************************************/

;***************Init***************
rEXTDBWTH		EQU		0x00003002
rROMCON0		EQU		0x02000060
rROMCON1  		EQU  	0x60
rROMCON2   		EQU  	0x60
rROMCON3   		EQU  	0x60
rROMCON4   		EQU  	0x60
rROMCON5   		EQU  	0x60
rSDRAMCON0   	EQU  	0x12008390
rSDRAMCON1   	EQU  	0x00
rSDRAMCON2   	EQU  	0x00
rSDRAMCON3   	EQU  	0x00
rSREFEXTCON		EQU		0x9c218360


;************Memory Remap**************
rEXTDBWTH_R		EQU		0x00003001
rROMCON0_R		EQU		0x12040060
rROMCON1_R  	EQU  	0x60
rROMCON2_R   	EQU  	0x60
rROMCON3_R   	EQU  	0x60
rROMCON4_R   	EQU  	0x60
rROMCON5_R   	EQU  	0x60
rSDRAMCON0_R   	EQU  	0x10000390
rSDRAMCON1_R   	EQU  	0x00
rSDRAMCON2_R   	EQU  	0x00
rSDRAMCON3_R   	EQU  	0x00
rSREFEXTCON_R	EQU		0x9c218360

;/***************************************************************/
       END