s_pri.c

来自「优龙2410linux2.6.8内核源代码」· C语言 代码 · 共 568 行 · 第 1/2 页

  DIVA_OS_MEM_DETACH_CONTROL(IoAdapter, base);

  p = DIVA_OS_MEM_ATTACH_RESET(IoAdapter);
  *(volatile byte*)(p) = _MP_RISC_RESET | _MP_LED1 | _MP_LED2;
  diva_os_wait (50) ;
  /*
    Verify modules
  */
  for (dsp_row = 0; dsp_row < 4; dsp_row++) {
    row_state = (byte)((ret >> (dsp_row*7)) & 0x7F);
    if (row_state && (row_state != 0x7F)) {
      for (dsp_index = 0; dsp_index < 7; dsp_index++) {
        if (!(row_state & (1 << dsp_index))) {
          DBG_ERR (("A: MODULE[%d]-DSP[%d] failed", dsp_row+1, dsp_index+1))
        }
      }
    }
  }
  if (!(ret & 0x10000000)) {
    DBG_ERR (("A: ON BOARD-DSP[1] failed"))
  }
  if (!(ret & 0x20000000)) {
    DBG_ERR (("A: ON BOARD-DSP[2] failed"))
  }
  /*
    Print module population now
  */
  DBG_LOG(("+-----------------------+"))
  DBG_LOG(("| DSP MODULE POPULATION |"))
  DBG_LOG(("+-----------------------+"))
  DBG_LOG(("|  1  |  2  |  3  |  4  |"))
  DBG_LOG(("+-----------------------+"))
  DBG_LOG(("|  %s  |  %s  |  %s  |  %s  |",
    ((ret >> (0*7)) & 0x7F) ? "Y" : "N",
    ((ret >> (1*7)) & 0x7F) ? "Y" : "N",
    ((ret >> (2*7)) & 0x7F) ? "Y" : "N",
    ((ret >> (3*7)) & 0x7F) ? "Y" : "N"))
  DBG_LOG(("+-----------------------+"))
  DBG_LOG(("DSP's(present-absent):%08x-%08x", ret, ~ret & 0x3fffffff))
  *(volatile byte*)(p) = 0 ;
  DIVA_OS_MEM_DETACH_RESET(IoAdapter, p);
  diva_os_wait (50) ;
 IoAdapter->InitialDspInfo |= DspCount << 16 ;
  return (ret);
}
/* -------------------------------------------------------------------------
  helper used to download dsp code toi PRI Card
  ------------------------------------------------------------------------- */
static long pri_download_buffer (OsFileHandle *fp, long length, void **addr) {
 PISDN_ADAPTER IoAdapter = (PISDN_ADAPTER)fp->sysLoadDesc ;
 dword        *sharedRam ;
 byte *p;
 *addr = (void *)IoAdapter->downloadAddr ;
 if ( ((dword) length) > IoAdapter->DspCodeBaseAddr +
                         IoAdapter->MaxDspCodeSize - IoAdapter->downloadAddr )
 {
  DBG_FTL(("%s: out of card memory during DSP download (0x%X)",
           IoAdapter->Properties.Name,
           IoAdapter->downloadAddr + length))
  return (-1) ;
 }
 p = DIVA_OS_MEM_ATTACH_RAM(IoAdapter);
 sharedRam = (dword *)(&p[DOWNLOAD_ADDR(IoAdapter)]);
 if ( fp->sysFileRead (fp, sharedRam, length) != length ) {
  DIVA_OS_MEM_DETACH_RAM(IoAdapter, p);
  return (-1) ;
 }
 IoAdapter->downloadAddr += length ;
 IoAdapter->downloadAddr  = (IoAdapter->downloadAddr + 3) & (~3) ;
 DIVA_OS_MEM_DETACH_RAM(IoAdapter, p);
 return (0) ;
}
/* -------------------------------------------------------------------------
  Download DSP code to PRI Card
  ------------------------------------------------------------------------- */
static dword pri_telindus_load (PISDN_ADAPTER IoAdapter) {
 char                *error ;
 OsFileHandle        *fp ;
 t_dsp_portable_desc  download_table[DSP_MAX_DOWNLOAD_COUNT] ;
 word                 download_count ;
 dword               *sharedRam ;
 dword                FileLength ;
 byte *p;
 if ( !(fp = OsOpenFile (DSP_TELINDUS_FILE)) )
  return (0) ;
 IoAdapter->downloadAddr = (IoAdapter->DspCodeBaseAddr
                         + sizeof(dword) + sizeof(download_table) + 3) & (~3) ;
 FileLength      = fp->sysFileSize ;
 fp->sysLoadDesc = (void *)IoAdapter ;
 fp->sysCardLoad = pri_download_buffer ;
 download_count = DSP_MAX_DOWNLOAD_COUNT ;
 memset (&download_table[0], '\0', sizeof(download_table)) ;
/*
 * set start address for download (use autoincrement mode !)
 */
 error = dsp_read_file (fp, (word)(IoAdapter->cardType),
                        &download_count, NULL, &download_table[0]) ;
 if ( error )
 {
  DBG_FTL(("download file error: %s", error))
  OsCloseFile (fp) ;
  return (0) ;
 }
 OsCloseFile (fp) ;
/*
 * store # of separate download files extracted from archive
 */
 IoAdapter->downloadAddr = IoAdapter->DspCodeBaseAddr ;
 p = DIVA_OS_MEM_ATTACH_RAM(IoAdapter);
 sharedRam = (dword *)(&p[DOWNLOAD_ADDR(IoAdapter)]);
 WRITE_DWORD(&(sharedRam[0]), (dword)download_count);
 memcpy (&sharedRam[1], &download_table[0], sizeof(download_table)) ;
 DIVA_OS_MEM_DETACH_RAM(IoAdapter, p);
 return (FileLength) ;
}
/* -------------------------------------------------------------------------
  Download PRI Card
  ------------------------------------------------------------------------- */
#define MIN_DSPS 0x30000000
static int load_pri_hardware (PISDN_ADAPTER IoAdapter) {
 dword           i ;
 struct mp_load *boot = (struct mp_load *)DIVA_OS_MEM_ATTACH_RAM(IoAdapter);
 if ( IoAdapter->Properties.Card != CARD_MAEP ) {
  DIVA_OS_MEM_DETACH_RAM(IoAdapter, boot);
  return (0) ;
 }
 boot->err = 0 ;
#if 0
 IoAdapter->rstFnc (IoAdapter) ;
#else
 if ( MIN_DSPS != (MIN_DSPS & diva_pri_detect_dsps(IoAdapter)) ) { /* makes reset */
  DIVA_OS_MEM_DETACH_RAM(IoAdapter, boot);
  DBG_FTL(("%s: DSP error!", IoAdapter->Properties.Name))
  return (0) ;
 }
#endif
/*
 * check if CPU is alive
 */
 diva_os_wait (10) ;
 i = boot->live ;
 diva_os_wait (10) ;
 if ( i == boot->live )
 {
  DIVA_OS_MEM_DETACH_RAM(IoAdapter, boot);
  DBG_FTL(("%s: CPU is not alive!", IoAdapter->Properties.Name))
  return (0) ;
 }
 if ( boot->err )
 {
  DIVA_OS_MEM_DETACH_RAM(IoAdapter, boot);
  DBG_FTL(("%s: Board Selftest failed!", IoAdapter->Properties.Name))
  return (0) ;
 }
/*
 * download protocol and dsp files
 */
 if ( !xdiSetProtocol (IoAdapter, IoAdapter->ProtocolSuffix) ) {
  DIVA_OS_MEM_DETACH_RAM(IoAdapter, boot);
  return (0) ;
 }
 if ( !pri_protocol_load (IoAdapter) ) {
  DIVA_OS_MEM_DETACH_RAM(IoAdapter, boot);
  return (0) ;
 }
 if ( !pri_telindus_load (IoAdapter) ) {
  DIVA_OS_MEM_DETACH_RAM(IoAdapter, boot);
  return (0) ;
 }
/*
 * copy configuration parameters
 */
 IoAdapter->ram += MP_SHARED_RAM_OFFSET ;
 memset (boot + MP_SHARED_RAM_OFFSET, '\0', 256) ;
 diva_configure_protocol (IoAdapter);
/*
 * start adapter
 */
 boot->addr = MP_UNCACHED_ADDR (MP_PROTOCOL_OFFSET) ;
 boot->cmd  = 3 ;
/*
 * wait for signature in shared memory (max. 3 seconds)
 */
 for ( i = 0 ; i < 300 ; ++i )
 {
  diva_os_wait (10) ;
  if ( (boot->signature >> 16) == 0x4447 )
  {
   DIVA_OS_MEM_DETACH_RAM(IoAdapter, boot);
   DBG_TRC(("Protocol startup time %d.%02d seconds",
            (i / 100), (i % 100) ))
   return (1) ;
  }
 }
 DIVA_OS_MEM_DETACH_RAM(IoAdapter, boot);
 DBG_FTL(("%s: Adapter selftest failed (0x%04X)!",
          IoAdapter->Properties.Name, boot->signature >> 16))
 pri_cpu_trapped (IoAdapter) ;
 return (0) ;
}
#else /* } { */
static int load_pri_hardware (PISDN_ADAPTER IoAdapter) {
 return (0);
}
#endif /* } */
/* --------------------------------------------------------------------------
  PRI Adapter interrupt Service Routine
   -------------------------------------------------------------------------- */
static int pri_ISR (struct _ISDN_ADAPTER* IoAdapter) {
 byte *cfg = DIVA_OS_MEM_ATTACH_CFG(IoAdapter);
 if ( !((READ_DWORD((dword *)cfg)) & 0x80000000) ) {
  DIVA_OS_MEM_DETACH_CFG(IoAdapter, cfg);
  return (0) ;
 }
 /*
  clear interrupt line
  */
 WRITE_DWORD(((dword *)cfg), (dword)~0x03E00000) ;
 DIVA_OS_MEM_DETACH_CFG(IoAdapter, cfg);
 IoAdapter->IrqCount++ ;
 if ( IoAdapter->Initialized )
 {
  diva_os_schedule_soft_isr (&IoAdapter->isr_soft_isr);
 }
 return (1) ;
}
/* -------------------------------------------------------------------------
  Disable interrupt in the card hardware
  ------------------------------------------------------------------------- */
static void disable_pri_interrupt (PISDN_ADAPTER IoAdapter) {
 dword volatile *cfgReg = (dword volatile *)DIVA_OS_MEM_ATTACH_CFG(IoAdapter) ;
 cfgReg[3] = 0x00000000 ;
 cfgReg[1] = 0x00000000 ;
 WRITE_DWORD(&cfgReg[0], (dword)(~0x03E00000)) ;
 DIVA_OS_MEM_DETACH_CFG(IoAdapter, cfgReg);
}
/* -------------------------------------------------------------------------
  Install entry points for PRI Adapter
  ------------------------------------------------------------------------- */
static void prepare_common_pri_functions (PISDN_ADAPTER IoAdapter) {
 ADAPTER *a = &IoAdapter->a ;
 a->ram_in           = mem_in ;
 a->ram_inw          = mem_inw ;
 a->ram_in_buffer    = mem_in_buffer ;
 a->ram_look_ahead   = mem_look_ahead ;
 a->ram_out          = mem_out ;
 a->ram_outw         = mem_outw ;
 a->ram_out_buffer   = mem_out_buffer ;
 a->ram_inc          = mem_inc ;
 a->ram_offset       = pri_ram_offset ;
 a->ram_out_dw    = mem_out_dw;
 a->ram_in_dw    = mem_in_dw;
  a->istream_wakeup   = pr_stream;
 IoAdapter->out      = pr_out ;
 IoAdapter->dpc      = pr_dpc ;
 IoAdapter->tst_irq  = scom_test_int ;
 IoAdapter->clr_irq  = scom_clear_int ;
 IoAdapter->pcm      = (struct pc_maint *)(MIPS_MAINT_OFFS
                                        - MP_SHARED_RAM_OFFSET) ;
 IoAdapter->load     = load_pri_hardware ;
 IoAdapter->disIrq   = disable_pri_interrupt ;
 IoAdapter->rstFnc   = reset_pri_hardware ;
 IoAdapter->stop     = stop_pri_hardware ;
 IoAdapter->trapFnc  = pri_cpu_trapped ;
 IoAdapter->diva_isr_handler = pri_ISR;
}
/* -------------------------------------------------------------------------
  Install entry points for PRI Adapter
  ------------------------------------------------------------------------- */
void prepare_pri_functions (PISDN_ADAPTER IoAdapter) {
 IoAdapter->MemorySize = MP_MEMORY_SIZE ;
 prepare_common_pri_functions (IoAdapter) ;
 diva_os_prepare_pri_functions (IoAdapter);
}
/* -------------------------------------------------------------------------
  Install entry points for PRI Rev.2 Adapter
  ------------------------------------------------------------------------- */
void prepare_pri2_functions (PISDN_ADAPTER IoAdapter) {
 IoAdapter->MemorySize = MP2_MEMORY_SIZE ;
 prepare_common_pri_functions (IoAdapter) ;
 diva_os_prepare_pri2_functions (IoAdapter);
}
/* ------------------------------------------------------------------------- */