| Current Path : /usr/src/sys/boot/arm/at91/libat91/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/sys/boot/arm/at91/libat91/spi_flash.h |
/*******************************************************************************
*
* Filename: spi_flash.h
*
* Definition of flash control routines supporting AT45DB161B
*
* Revision information:
*
* 17JAN2005 kb_admin initial creation
*
* BEGIN_KBDD_BLOCK
* No warranty, expressed or implied, is included with this software. It is
* provided "AS IS" and no warranty of any kind including statutory or aspects
* relating to merchantability or fitness for any purpose is provided. All
* intellectual property rights of others is maintained with the respective
* owners. This software is not copyrighted and is intended for reference
* only.
* END_BLOCK
*
* $FreeBSD: release/9.1.0/sys/boot/arm/at91/libat91/spi_flash.h 165400 2006-12-20 18:25:16Z imp $
******************************************************************************/
#ifndef _SPI_FLASH_H_
#define _SPI_FLASH_H_
typedef struct {
char *tx_cmd;
unsigned tx_cmd_size;
char *rx_cmd;
unsigned rx_cmd_size;
char *tx_data;
unsigned tx_data_size;
char *rx_data;
unsigned rx_data_size;
} spiCommand_t;
void SPI_ReadFlash(unsigned flash_addr, char *dest_addr, unsigned size);
void SPI_WriteFlash(unsigned flash_addr, char *dest_addr, unsigned size);
void SPI_InitFlash(void);
void SPI_GetId(unsigned *id);
#ifdef BOOT_BWCT
#define FLASH_PAGE_SIZE 528
#else
#define FLASH_PAGE_SIZE 1056
#endif
// Flash commands
#define CONTINUOUS_ARRAY_READ 0xE8
#define CONTINUOUS_ARRAY_READ_HF 0x0B
#define CONTINUOUS_ARRAY_READ_LF 0x03
#define STATUS_REGISTER_READ 0xD7
#define PROGRAM_THROUGH_BUFFER 0x82
#define MANUFACTURER_ID 0x9F
#endif