bfspiboot.h

在linux平台上通过spi引导bf533 dsp的应用程序代码

/*****************************************************************/
/*FILE     : bfspiboot.h                                         */
/*FUNCTION : in linux user level bfspiboot header file           */
/*AUTHOR   : ZHANG YI FENG                                       */
/*DATE     : 2006-05-17                                          */
/*EMAIL    : [e-mail]                              */
/*****************************************************************/
#ifndef __BF53X_SPI_BOOT__H
#define __BF53X_SPI_BOOT__H

    static char *scp_dev_name = "/dev/scp";
   
    #define u8                   unsigned char
    #define s8                   char
    #define u16                  unsigned short
    #define s16                  short
    #define u32                  unsigned int
    #define s32                  int
    #define u64                  unsigned long
    #define s64                  long   


    typedef struct gpio_register{
        unsigned int or;
        unsigned int tc;
        unsigned int osh;
        unsigned int osl;
        unsigned int tsh;
        unsigned int tsl;
        unsigned int od;
        unsigned int ir;

   }GPIO_REGISTER;
   void DisHexData(u8 * buf ,u32 Count);
   void OpenDspBusyIo(void);
   void SetDspnRst(u32 nRST);
   void CloseDspBusyIo(void);
   u32 GetDspBusyStatus(void);
   void SetDspSpics(u32 cs);
#endif