evmdm642_flash.h

来自「DM643开发板字符叠加功能实现代码」· C头文件 代码 · 共 49 行

/*
 *  Copyright 2003 by Spectrum Digital Incorporated.
 *  All rights reserved. Property of Spectrum Digital Incorporated.
 */
 
/*
 *  ======== evmdm642_flash.h ========
 *
 *  Interface for the AMD29LV033C Flash on the EVMDM642 board
 */
#ifndef EVMDM642_FLASH_
#define EVMDM642_FLASH_

#ifdef __cplusplus
extern "C" {
#endif

#include <csl.h>

/* Flash address definitions */
#define EVMDM642_FLASH_BASE          0x90000000
#define EVMDM642_FLASH_SECTORSIZE    0x010000
#define EVMDM642_FLASH_SECTORS       0x8
#define EVMDM642_FLASH_PAGES         0x8
#define EVMDM642_FLASH_PAGESIZE      0x080000
#define EVMDM642_FLASH_SIZE          0x400000
#define EVMDM642_FLASH_CTL555        (EVMDM642_FLASH_BASE + 0x555)
#define EVMDM642_FLASH_CTLAAA        (EVMDM642_FLASH_BASE + 0xaaa)
#define EVMDM642_FLASH_SUPPORT       1
 
/* Calculate the checksum of a data range in Flash */
Uint32 EVMDM642_FLASH_checksum(Uint32 start, Uint32 length);

/* Erase a segment of Flash memory */
void EVMDM642_FLASH_erase(Uint32 start, Uint32 length);

/* Read data from a range in Flash */
void EVMDM642_FLASH_read(Uint32 src, Uint32 dst, Uint32 length);

/* Write data to a data range in Flash */
void EVMDM642_FLASH_write(Uint32 src, Uint32 dst, Uint32 length);

#ifdef __cplusplus
}
#endif

#endif