board/gth2/ee_access.h

   1 /* By Thomas.Lange@Corelatus.com 001025 */
   2
   3 /* Definitions for EEPROM/VOLT METER  DS2438 */
   4 /* Copyright (C) 2000-2005 Corelatus AB */
   5
   6 #ifndef INCeeaccessh
   7 #define INCeeaccessh
   8
   9 #include <asm/types.h>
  10 #include "ee_dev.h"
  11
  12 int ee_do_cpu_command( u8 *Tx, int Tx_len, u8 *Rx, int Rx_len, int Send_skip );
  13 int ee_init_cpu_data(void);
  14
  15 int ee_crc_ok( u8 *Buffer, int Len, u8 Crc );
  16
  17 /* Defs for altera reg */
  18 #define EE_WRITE_SHIFT 8 /* bits to shift left */
  19 #define EE_READ_SHIFT 16 /* bits to shift left */
  20 #define EE_DONE  0x80000000
  21 #define EE_BUSY  0x40000000
  22 #define EE_ERROR 0x20000000
  23
  24 /* Commands */
  25 #define EE_CMD_NOP      0
  26 #define EE_CMD_INIT_RES 1
  27 #define EE_CMD_WR_BYTE  2
  28 #define EE_CMD_RD_BYTE  3
  29
  30 #endif /* INCeeaccessh */