davincievm_flash.h

I2C control file (TI DSP in CCS)

/*
 *  Copyright 2005 by Spectrum Digital Incorporated.
 *  All rights reserved. Property of Spectrum Digital Incorporated.
 *
 *  Not for distribution.
 */

/*
 *  ======== flash.h ========
 *      Interface for AMD Flash
 */

#ifndef FLASH_
#define FLASH_

#ifdef __cplusplus
extern "C" {
#endif

#include "davincievm.h"

/* ------------------------------------------------------------------------ *
 *  Flash Device                                                            *
 * ------------------------------------------------------------------------ */
#define MFG_AMD                     0x01

#define DEV_AM29LV256M_1            0x227E
#define DEV_AM29LV256M_2            0x2212
#define DEV_AM29LV256M_3            0x2201
#define DEV_AM29LV256M_SIZE         0x02000000

#define DEV_S29GL512N_1             0x227E
#define DEV_S29GL512N_2             0x2223
#define DEV_S29GL512N_3             0x2201
#define DEV_S29GL512N_SIZE          0x04000000

#define DEV_S29GL256N_1             0x227E
#define DEV_S29GL256N_2             0x2222
#define DEV_S29GL256N_3             0x2201
#define DEV_S29GL256N_SIZE          0x02000000

#define DEV_S29GL128N_1             0x227E
#define DEV_S29GL128N_2             0x2221
#define DEV_S29GL128N_3             0x2201
#define DEV_S29GL128N_SIZE          0x01000000

/* ------------------------------------------------------------------------ *
 *  Flash Memory Property Definitions                                       *
 * ------------------------------------------------------------------------ */
#define FLASH_BASE              0x02000000
#define FLASH_PAGESIZE          0x00010000
#define FLASH_PAGESIZE_POW2     16
#define FLASH_PAGES             FLASH_getTotalPages( 1 )
#define FLASH_SIZE              FLASH_PAGES * FLASH_PAGESIZE
#define FLASH_SUPPORT           1

/* ------------------------------------------------------------------------ *
 *  Flash Memory Data Pointer                                               *
 * ------------------------------------------------------------------------ */
#define FLASH_BASE_PTR32        *( volatile Uint32* )FLASH_BASE
#define FLASH_BASE_PTR16        *( volatile Uint16* )FLASH_BASE
#define FLASH_BASE_PTR8         *( volatile Uint8* ) FLASH_BASE
#define FLASH_CTL055            *( volatile Uint16* )( FLASH_BASE + 0xAA )
#define FLASH_CTL555            *( volatile Uint16* )( FLASH_BASE + 0xAAA )
#define FLASH_CTL2AA            *( volatile Uint16* )( FLASH_BASE + 0x554 )
#define FLASH_CTLAAA            *( volatile Uint8*  )( FLASH_BASE + 0x554 )

/* ------------------------------------------------------------------------ *
 *  Flash Command Codes                                                     *
 * ------------------------------------------------------------------------ */
#define FLASH_RESET                         0xF0
#define FLASH_CMD_AA                        0xAA
#define FLASH_CMD_55                        0x55
#define FLASH_ID                            0x90
#define FLASH_PROGRAM                       0xA0
#define FLASH_WRITE_BUFFER                  0x25
#define FLASH_PROGRAM_BUFFER                0x29
#define FLASH_ERASE                         0x80
#define FLASH_ERASE_CHIP                    0x10
#define FLASH_ERASE_SECTOR                  0x30
#define FLASH_ERASE_SUSPEND                 0xB0
#define FLASH_ERASE_RESUME                  0x10
#define FLASH_CFI_QUERY                     0x98

/* ------------------------------------------------------------------------ *
 *  Prototypes                                                              *
 * ------------------------------------------------------------------------ */
/* Determine the total number of pages of Flash */
Uint32 DAVINCIEVM_FLASH_getTotalPages( Uint16 num_flash_device );

/* Calculate the checksum of a data range in Flash */
Uint32 DAVINCIEVM_FLASH_checksum( Uint32 start, Uint32 length );

/* Erase blocks Flash memory */
Int16 DAVINCIEVM_FLASH_erase( Uint32 start, Uint32 length );

/* Read data from Flash */
Int16 DAVINCIEVM_FLASH_read( Uint32 src, Uint32 dst, Uint32 length );

/* Write data to Flash */
Int16 DAVINCIEVM_FLASH_write( Uint32 src, Uint32 dst, Uint32 length );

#ifdef __cplusplus
}
#endif

#endif