bfc.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            : bfc.inc
;- Object               : Assembler Burst Flash Controller Definition File.
;-
;- 1.0 22/03/01 ED      : Creation
;------------------------------------------------------------------------------

;------------------------------------------------------------
; Burst Flash Controller User Interface Structure Definition
;------------------------------------------------------------

                ^       0
BFC_MR		#	4	;- Mode Register

;-------------------------
;- BFC_MR : Mode Register
;-------------------------

BFC_BFCOM_MASK		EQU	0x3		;- BFC Operating Mode Command

BFC_DISABLED		EQU	0x0		;- BFC Disabled
BFC_ASYNC_MODE		EQU	0x1		;- BFC Asynchronous Operating Mode
BFC_BURST_MODE		EQU	0x2		;- BFC Burst Read Operating Mode

BFC_BFCC_MASK		EQU	0xC		;- BFC Burst Read Clock Command

BFC_MCK_BURST		EQU	0x4		;- BFC Burst Read using MCK
BFC_MCK2_BURST		EQU	0x8		;- BFC Burst Read using MCK/2
BFC_MCK4_BURST		EQU	0xC		;- BFC Burst Read using MCK/4

BFC_AVL_MASK		EQU	0xF0		;- BFC Address Valid Latency Mask
BFC_AVL_SHIFT		EQU	0x4		;- Logical Left Shift to be applied for AVL

BFC_PAGE_SIZE_MASK	EQU	0x700		;- BFC Page Size Mask

BFC_NO_PAGE		EQU	0x0		;- No BFC Page Handling
BFC_16_PAGE		EQU	0x100		;- 16 Bytes Page Size
BFC_32_PAGE		EQU	0x200		;- 32 Bytes Page Size
BFC_64_PAGE		EQU	0x300		;- 64 Bytes Page Size
BFC_128_PAGE		EQU	0x400		;- 128 Bytes Page Size
BFC_256_PAGE		EQU	0x500		;- 256 Bytes Page Size
BFC_512_PAGE		EQU	0x600		;- 512 Bytes Page Size
BFC_1K_PAGE		EQU	0x700		;- 1024 Bytes Page Size

BFC_OEL_MASK		EQU	0x3000		;- BFC Output Enable Latency Mask
BFC_OEL_SHIFT		EQU	0xC		;- Logical Left Shift to be applied for OEL

BFC_BAAEN		EQU	0x10000		;- BFC Burst Address Advance Enable Bit

BFC_BFOEH		EQU	0x20000		;- BFC Burst Flash Output Enable Handling Bit

BFC_MUXEN		EQU	0x40000		;- BFC Multiplexed Bus Enable Bit


                END