1 /******************************************************************************* 2 * 3 * Filename: spi_flash.h 4 * 5 * Definition of flash control routines supporting AT45DB161B 6 * 7 * Revision information: 8 * 9 * 17JAN2005 kb_admin initial creation 10 * 11 * BEGIN_KBDD_BLOCK 12 * No warranty, expressed or implied, is included with this software. It is 13 * provided "AS IS" and no warranty of any kind including statutory or aspects 14 * relating to merchantability or fitness for any purpose is provided. All 15 * intellectual property rights of others is maintained with the respective 16 * owners. This software is not copyrighted and is intended for reference 17 * only. 18 * END_BLOCK 19 * 20 * $FreeBSD$ 21 ******************************************************************************/ 22 23 #ifndef _SPI_FLASH_H_ 24 #define _SPI_FLASH_H_ 25 26 typedef struct { 27 char *tx_cmd; 28 unsigned tx_cmd_size; 29 char *rx_cmd; 30 unsigned rx_cmd_size; 31 char *tx_data; 32 unsigned tx_data_size; 33 char *rx_data; 34 unsigned rx_data_size; 35 } spiCommand_t; 36 37 void SPI_ReadFlash(unsigned flash_addr, char *dest_addr, unsigned size); 38 void SPI_WriteFlash(unsigned flash_addr, char *dest_addr, unsigned size); 39 void SPI_InitFlash(void); 40 41 void SPI_GetId(unsigned *id); 42 43 #ifdef BOOT_BWCT 44 #define FLASH_PAGE_SIZE 528 45 #else 46 #define FLASH_PAGE_SIZE 1056 47 #endif 48 49 // Flash commands 50 51 #define CONTINUOUS_ARRAY_READ 0xE8 52 #define CONTINUOUS_ARRAY_READ_HF 0x0B 53 #define CONTINUOUS_ARRAY_READ_LF 0x03 54 #define STATUS_REGISTER_READ 0xD7 55 #define PROGRAM_THROUGH_BUFFER 0x82 56 #define MANUFACTURER_ID 0x9F 57 58 #endif 59