svinto_boot.h

linux平台上的开放源代码的网络摄像机程序.实现视频捕捉,传输以及云台控制等.非常具有参考价值.

      IO_STATE (R_GEN_CONFIG, ata,       disable) |\
      IO_STATE (R_GEN_CONFIG, scsi0,     disable))
#elif defined CONFIG_DEBUG_PORT1
#define R_GEN_CONFIG_SETUP \
     (IO_STATE (R_GEN_CONFIG, g24dir,    in)      |\
      IO_STATE (R_GEN_CONFIG, g16_20dir, in)      |\
      IO_STATE (R_GEN_CONFIG, g8_15dir,  in)      |\
      IO_STATE (R_GEN_CONFIG, g0dir,     in)      |\
      IO_STATE (R_GEN_CONFIG, dma9,      unused)  |\
      IO_STATE (R_GEN_CONFIG, dma8,      unused)  |\
      IO_STATE (R_GEN_CONFIG, dma7,      unused)  |\
      IO_STATE (R_GEN_CONFIG, dma6,      unused)  |\
      IO_STATE (R_GEN_CONFIG, dma5,      par1)  /* Unused, so par1 is ok, =0 */ |\
      IO_STATE (R_GEN_CONFIG, dma4,      par1)  /* Unused, so par1 is ok, =0 */ |\
      IO_STATE (R_GEN_CONFIG, dma3,      scsi0) /* Unused, (must not be 0) */ |\
      IO_STATE (R_GEN_CONFIG, dma2,      scsi0) /* Unused  (must not be 0) */ |\
      IO_STATE (R_GEN_CONFIG, mio_w,     disable) |\
      IO_STATE (R_GEN_CONFIG, ser3,      disable) |\
      IO_STATE (R_GEN_CONFIG, par1,      disable) |\
      IO_STATE (R_GEN_CONFIG, scsi0w,    disable) |\
      IO_STATE (R_GEN_CONFIG, scsi1,     disable) |\
      IO_STATE (R_GEN_CONFIG, mio,       disable) |\
      IO_STATE (R_GEN_CONFIG, ser2,      disable) |\
      IO_STATE (R_GEN_CONFIG, par0,      select)  |\
      IO_STATE (R_GEN_CONFIG, ata,       disable) |\
      IO_STATE (R_GEN_CONFIG, scsi0,     disable))
#elif defined CONFIG_DEBUG_PORT2
#define R_GEN_CONFIG_SETUP \
     (IO_STATE (R_GEN_CONFIG, g24dir,    in)      |\
      IO_STATE (R_GEN_CONFIG, g16_20dir, in)      |\
      IO_STATE (R_GEN_CONFIG, g8_15dir,  in)      |\
      IO_STATE (R_GEN_CONFIG, g0dir,     in)      |\
      IO_STATE (R_GEN_CONFIG, dma9,      unused)  |\
      IO_STATE (R_GEN_CONFIG, dma8,      unused)  |\
      IO_STATE (R_GEN_CONFIG, dma7,      unused)  |\
      IO_STATE (R_GEN_CONFIG, dma6,      unused)  |\
      IO_STATE (R_GEN_CONFIG, dma5,      par1)  /* Unused, so par1 is ok, =0 */ |\
      IO_STATE (R_GEN_CONFIG, dma4,      par1)  /* Unused, so par1 is ok, =0 */ |\
      IO_STATE (R_GEN_CONFIG, dma3,      scsi0) /* Unused, (must not be 0) */ |\
      IO_STATE (R_GEN_CONFIG, dma2,      scsi0) /* Unused  (must not be 0) */ |\
      IO_STATE (R_GEN_CONFIG, mio_w,     disable) |\
      IO_STATE (R_GEN_CONFIG, ser3,      disable) |\
      IO_STATE (R_GEN_CONFIG, par1,      disable) |\
      IO_STATE (R_GEN_CONFIG, scsi0w,    disable) |\
      IO_STATE (R_GEN_CONFIG, scsi1,     disable) |\
      IO_STATE (R_GEN_CONFIG, mio,       disable) |\
      IO_STATE (R_GEN_CONFIG, ser2,      select) |\
      IO_STATE (R_GEN_CONFIG, par0,      select)  |\
      IO_STATE (R_GEN_CONFIG, ata,       disable) |\
      IO_STATE (R_GEN_CONFIG, scsi0,     disable))
#elif defined CONFIG_DEBUG_PORT3
#define R_GEN_CONFIG_SETUP \
     (IO_STATE (R_GEN_CONFIG, g24dir,    in)      |\
      IO_STATE (R_GEN_CONFIG, g16_20dir, in)      |\
      IO_STATE (R_GEN_CONFIG, g8_15dir,  in)      |\
      IO_STATE (R_GEN_CONFIG, g0dir,     in)      |\
      IO_STATE (R_GEN_CONFIG, dma9,      unused)  |\
      IO_STATE (R_GEN_CONFIG, dma8,      unused)  |\
      IO_STATE (R_GEN_CONFIG, dma7,      unused)  |\
      IO_STATE (R_GEN_CONFIG, dma6,      unused)  |\
      IO_STATE (R_GEN_CONFIG, dma5,      par1)  /* Unused, so par1 is ok, =0 */ |\
      IO_STATE (R_GEN_CONFIG, dma4,      par1)  /* Unused, so par1 is ok, =0 */ |\
      IO_STATE (R_GEN_CONFIG, dma3,      scsi0) /* Unused, (must not be 0) */ |\
      IO_STATE (R_GEN_CONFIG, dma2,      scsi0) /* Unused  (must not be 0) */ |\
      IO_STATE (R_GEN_CONFIG, mio_w,     disable) |\
      IO_STATE (R_GEN_CONFIG, ser3,      select) |\
      IO_STATE (R_GEN_CONFIG, par1,      disable) |\
      IO_STATE (R_GEN_CONFIG, scsi0w,    disable) |\
      IO_STATE (R_GEN_CONFIG, scsi1,     disable) |\
      IO_STATE (R_GEN_CONFIG, mio,       disable) |\
      IO_STATE (R_GEN_CONFIG, ser2,      disable) |\
      IO_STATE (R_GEN_CONFIG, par0,      select)  |\
      IO_STATE (R_GEN_CONFIG, ata,       disable) |\
      IO_STATE (R_GEN_CONFIG, scsi0,     disable))
#endif
    
#define LOAD_ADDRESS 0x38001000    
#define SIZEOF_BOOT_LEVEL_1 2048

#define DB 0

#if DB == 1
#define print_int(a) \
*(volatile int*) 0x84000004 = a;\
*(volatile unsigned char*) 0x84000000 = 15;

#define print_hex(a) \
*(volatile int*) 0x84000004 = a;\
*(volatile unsigned char*) 0x84000000 = 22;
#else
#define print_int(a)
#define print_hex(a)
#endif

#define IO_BUF_START	0x38001e00
#define IO_BUF_END	0x38001fff

#define byte   unsigned char
#define uword  unsigned short
#define udword unsigned int
#define dword  signed int

/* This should only be used in the cbl, but if we compiler the sbl for 
 * elinux __CRIS__ will be defined, and these are already defined in
 * uC-libc, check !defined(ELINUX) as well!
 */

#if defined(__CRIS__) && defined(BUILDING_CBL)
static inline udword
htonl(udword x)
{
  __asm__ ("swapwb %0" : "=r" (x) : "0" (x));
  
  return(x);
}
#ifndef ntohl     
#define ntohl(x) htonl(x)
#endif

static inline uword
htons(uword x)
{
  __asm__ ("swapb %0" : "=r" (x) : "0" (x));
  
  return(x);
}
#ifndef ntohs
#define ntohs(x) htons(x)
#endif
#endif

/*#define ntohs(x) \*/
/*((unsigned short)((((unsigned short)(x) & 0x00ffU) << 8) | \*/
/*		     (((unsigned short)(x) & 0xff00U) >>  8)))*/
/*     */

/*#define ntohl(x) \*/
/*((unsigned long int)((((unsigned long int)(x) & 0x000000ffU) << 24) | \*/
/*		     (((unsigned long int)(x) & 0x0000ff00U) <<  8) | \*/
/*		     (((unsigned long int)(x) & 0x00ff0000U) >>  8) | \*/
/*		     (((unsigned long int)(x) & 0xff000000U) >> 24)))*/

struct packet_header_T	/* Size = 38 */
{  
  byte      dest[6];
  byte      src[6];
  uword     length;
  udword    snap1;
  udword    snap2;
  udword    tag;		
  udword    seq;
  udword    type;
  udword    id;    
} __attribute__ ((packed));

typedef struct dma_descr_T {
  uword  sw_len;                /* 0-1 */
  uword  ctrl;                  /* 2-3 */
  udword next;                  /* 4-7 */
  udword buf;                   /* 8-11 */
  uword  hw_len;                /* 12-13 */
  uword  status;                /* 14-15 */
} dma_descr_T;

typedef struct packet_info_T {
  udword type;
  udword addr;
  udword size;
} packet_info_T;

typedef struct set_register_T {
  udword type;
  udword addr;
  udword val;
} set_register_T;

typedef struct pause_loop_T {
  udword type;
  udword pause;
} pause_loop_T;

typedef struct get_register_T {
  udword type;
  udword addr;
} get_register_T;

typedef struct mem_verify_T {
  udword type;
  udword addr;
  udword val;
} mem_verify_T;

typedef struct mem_test_T {
  udword type;
  udword from;
  udword to;
} mem_test_T;

typedef struct mem_dump_T {
  udword type;
  udword from_addr;
  udword to_addr;
} mem_dump_T;

typedef struct mem_clear_T {
  udword type;
  udword from_addr;
  udword to_addr;
} mem_clear_T;

typedef struct flash_T {
  udword type;
  udword source;
  udword dest;
  udword size;
} flash_T;

typedef struct jump_T {
  udword type;
  udword addr;
} jump_T;

#define NETWORK_HEADER_LENGTH sizeof(struct packet_header_T)

void flash_write(const unsigned char *source, unsigned int offset, unsigned int size);
void            memory_dump(udword *from, udword *to);
byte 		crc_correct();
int        	read_data(void);
void	 	boot_crt0(void);
void 		boot_crt1(void);
void 		send_serial_ack();
void 		send_network_ack();
void 		send_parallel_ack();
int		timeout();
int		handle_network_read();
void 		send_serial_string(char *str);
void 		send_parallel_string(char *str);
void 		send_network_string(char *str);
void		start_network_trans();
void		send_serial_loop();
void 		toggle_led();
void 		ser_print(char *str);
void            send_serial_hex(udword v, byte nl);
void            send_serial_uword(uword v);
void            level2_boot();
void            ser_init();
void            net_init();
void            parallel_init();
void            read_load_info();
void            decode_load_info();
void            read_file(byte* addr, udword size);
void            print_descr(dma_descr_T *d);
int             memory_test(udword addr, udword size, udword *failed_address);

extern udword crc_download_area;
extern udword dont_touch;

extern byte	*target_address;
extern udword	nbr_read;
extern byte    interface;
extern byte    set_dest;
extern udword  last_timeout;
extern byte   	*io_buf_next;
extern byte   	*io_buf_cur;

extern struct packet_header_T tx_header;
extern dma_descr_T tx_descr;
extern dma_descr_T tx_descr2;

extern struct packet_header_T rx_header;
extern dma_descr_T rx_descr;
extern dma_descr_T rx_descr2;

extern void (*send_ack[3])();
extern void (*send_string[3])();
extern void (*init_interface[3])();

extern uword timeout_limit;  
extern udword seq;
extern udword bytes_to_read;
extern byte serial_up;