Subversion Repositories openrisc_2011-10-31

#ifndef _COMMON_H_

#define _COMMON_H_

#include "board.h"

/* max number of images saved in flash */

#ifndef MAX_IMAGES

#define MAX_IMAGES 40

#endif

#ifdef  DEBUG

#define debug(fmt,args...) printf (fmt ,##args)

#else

#define debug(fmt,args...) __printf (fmt ,##args)

#endif

/* Stack top */

extern unsigned long _stack_top;

/* A Board Information structure that is given to a program when

 * ppcboot starts it up. */

typedef struct bd_info {

  enum bi_console_type_t {

    CT_NONE,

    CT_UART,

    CT_CRT,

    CT_SIM,

  } bi_console_type;

  unsigned long bi_memstart;    /* start of  DRAM memory                */

  unsigned long bi_memsize;     /* size  of  DRAM memory in bytes       */

  unsigned long bi_flashstart;  /* start of FLASH memory                */

  unsigned long bi_flashsize;   /* size  of FLASH memory                */

  unsigned long bi_flashoffset; /* reserved area for startup monitor    */

  unsigned long bi_sramstart;   /* start of  SRAM memory                */

  unsigned long bi_sramsize;    /* size  of  SRAM memory                */

  unsigned long bi_bootflags;   /* boot / reboot flag (for LynxOS)      */

  unsigned long bi_ip_addr;     /* IP Address                           */

  unsigned short bi_ethspeed;   /* Ethernet speed in Mbps               */

  unsigned long bi_intfreq;     /* Internal Freq, in MHz                */

  unsigned long bi_busfreq;     /* Bus Freq, in MHz                     */

  unsigned long bi_baudrate;    /* Console Baudrate                     */

} bd_t;

typedef struct {

  unsigned long src_addr;

  unsigned long dst_addr;

  unsigned long start_addr;

  unsigned long length;

  unsigned long ip;

  unsigned long gw_ip;

  unsigned long mask;

  unsigned long srv_ip;

  unsigned char eth_add[6];

  unsigned long erase_method; /* 0 = do not erase, 1 = fully, 2 = as needed */

} global_struct;

/* structure for command interpreter                                  */

typedef struct {

  const char *name;

  const char *params;

  const char *help;

  int (*func)(int argc, char *argv[]);

} command_struct;

// Keep a CRC during TFTP receive

#define TFTP_CALC_CRC

typedef struct  {

  unsigned long eth_ip;

  unsigned long eth_mask;

  unsigned long eth_gw;

  unsigned long tftp_srv_ip;

  char tftp_filename[64];

  unsigned long img_number;

  unsigned long img_start_addr[MAX_IMAGES];

  unsigned long img_length[MAX_IMAGES];

} flash_cfg_struct;

extern bd_t bd;

extern global_struct global;

/* stdio */

extern int getc (void);

extern int testc (void);

extern int ctrlc (void);

extern void putc (const char c);

extern int printf (const char *fmt, ...);

extern void show_mem (int start, int stop);

extern unsigned long parse_ip (char *ip);

/* simulator stdout */

extern void __printf (const char *fmt, ...);

/* Reports a 32bit value to the simulator */

extern void report(unsigned long value);

/* Commands stuff */

#if HELP_ENABLED

#define register_command(name,params,help,funct) register_command_func (name, params, help, funct)

#else /* !HELP_ENABLED */

#define register_command(name,params,help,funct) register_command_func (name, "", "", funct)

#endif /* HELP_ENABLED */

extern void register_command_func (const char *name, const char *params, const char *help, int (*func)(int argc, char *argv[]));

/* Redirects console */

extern void change_console_type (enum bi_console_type_t con_type);

/* OR1k specific */

/* For writing into SPR. */

extern void mtspr(unsigned long spr, unsigned long value);

/* For reading SPR. */

extern unsigned long mfspr(unsigned long spr);

#endif  /* _COMMON_H_ */