st.inc

ARM9200开发板的ROM boot程序源码1.0

;----------------------------------------------------------------------------
; ATMEL Microcontroller Software Support  -  ROUSSET  -
;----------------------------------------------------------------------------
; The software is delivered "AS IS" without warranty or condition of any
; kind, either express, implied or statutory. This includes without
; limitation any warranty or condition with respect to merchantability or
; fitness for any particular purpose, or against the infringements of
; intellectual property rights of others.
;----------------------------------------------------------------------------
; File Name           : st.inc
; Object              : System Timer Header File.
;
; 1.0 16/03/01  HI    : Creation
;----------------------------------------------------------------------------

;----------------------------------------
;-  System Timer User Interface Structure 
;----------------------------------------

		^       0
ST_CR		#       4       	;- Control Register
ST_PIMR		#       4       	;- Period Interval Mode Register
ST_WDMR		#       4       	;- Watchdog Mode Register
ST_RTMR		#	4  		;- Real Time Mode Register
ST_SR		#       4     		;- Status Register
ST_IER		#       4     		;- Interrupt Enable Register
ST_IDR		#       4     		;- Interrupt Disable Register
ST_IMR		#	4		;- Interrupt Mask Register
ST_RTAR		#       4     		;- Real Time Alarm Register
ST_CRTR		#	4		;- Current Real Time Register


;------------------------------------------------------
;- ST_CR: System Timer Control Register Bits Definition
;------------------------------------------------------
ST_WDRST	EQU		0x1			;- Watchdog Timer Restart 

;---------------------------------------------------
;- ST_WDMR: System Timer Watchdog Mode Register Bits
;---------------------------------------------------
ST_RSTEN	EQU		0x10000 	;- WatchDog Overflow Reset Enable
ST_EXTEN	EQU		0x20000 	;- External Signal Assertion Enable

;----------------------------------------------------------------------------------
;- ST_SR, ST_IER, ST_IDR, ST_IMR : System Timer Status and Interrupts Register Bits
;----------------------------------------------------------------------------------
ST_PITS		EQU		0x1         ;- Period Interval Timer Status
ST_WDOVF	EQU		0x2			;- WatchDog Overflow Status
ST_RTTINC	EQU		0x4         ;- Real Time Timer Increment
ST_ALMS		EQU		0x8			;- Alarm Status


		END