s_bri.c

来自「Linux Kernel 2.6.9 for OMAP1710」· C语言 代码 · 共 539 行 · 第 1/2 页

  outppw_buffer (info->Data, &buffer[0], (len + 1)) ;
/*
 * memory test without second load of file
 */
  outpp (info->AddrHi, (byte)(info->DownloadPos >> 16)) ;
  outppw (info->AddrLo, (word)info->DownloadPos) ;
  for ( i = 0 ; i < len ; i += 2 )
  {
   if ( (test = inppw (info->Data)) != buffer[i/2] )
   {
    DBG_FTL(("%s: Memory test failed! (0x%lX - 0x%04X/0x%04X)",
             info->IoAdapter->Properties.Name,
             info->DownloadPos + i, test, buffer[i/2]))
    diva_os_free (0, buffer);
    return (-2) ;
   }
  }
  info->DownloadPos += len ;
 }
 info->DownloadPos = (info->DownloadPos + 3) & (~3) ;
 diva_os_free (0, buffer);
 return (0) ;
}
/******************************************************************************/
static dword bri_telindus_load (PISDN_ADAPTER IoAdapter, char *DspTelindusFile) 
{
 bri_download_info    *pinfo =\
             (bri_download_info*)diva_os_malloc(0, sizeof(*pinfo));
 char                *error ;
 OsFileHandle        *fp ;
 t_dsp_portable_desc  download_table[DSP_MAX_DOWNLOAD_COUNT] ;
 word                 download_count ;
 dword                FileLength ;
 byte *Port;
 if (!pinfo) {
  DBG_ERR (("A: out of memory s_bri at %d", __LINE__))
  return (0);
 }
 if (!(fp = OsOpenFile (DspTelindusFile))) {
  diva_os_free (0, pinfo);
  return (0) ;
 }
 FileLength     = fp->sysFileSize ;
 Port = DIVA_OS_MEM_ATTACH_PORT(IoAdapter);
 pinfo->IoAdapter = IoAdapter ;
 pinfo->AddrLo    = Port + ADDR ;
 pinfo->AddrHi    = Port + (IoAdapter->Properties.Bus == BUS_PCI ? M_PCI_ADDRH : ADDRH);
 pinfo->Data = (word*)(Port + DATA) ;
 pinfo->DownloadPos = (IoAdapter->DspCodeBaseAddr +\
           sizeof(dword) + sizeof(download_table) + 3) & (~3) ;
 fp->sysLoadDesc = (void *)pinfo;
 fp->sysCardLoad = bri_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 )
 {
  DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);
  DBG_FTL(("download file error: %s", error))
  OsCloseFile (fp) ;
  diva_os_free (0, pinfo);
  return (0) ;
 }
 OsCloseFile (fp) ;
/*
 * store # of separate download files extracted from archive
 */
 pinfo->DownloadPos = IoAdapter->DspCodeBaseAddr ;
 outpp  (pinfo->AddrHi, (byte)(pinfo->DownloadPos >> 16)) ;
 outppw (pinfo->AddrLo, (word)pinfo->DownloadPos) ;
 outppw (pinfo->Data,   (word)download_count) ;
 outppw (pinfo->Data,   (word)0) ;
/*
 * copy download table to board
 */
 outppw_buffer (pinfo->Data, &download_table[0], sizeof(download_table)) ;
 DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);
 diva_os_free (0, pinfo);
 return (FileLength) ;
}
/******************************************************************************/
static int load_bri_hardware (PISDN_ADAPTER IoAdapter) {
 dword   i ;
 byte*  addrHi, *addrLo, *ioaddr, *p ;
 dword   test ;
 byte *Port;
 if ( IoAdapter->Properties.Card != CARD_MAE )
 {
  return (FALSE) ;
 }
 reset_bri_hardware (IoAdapter) ;
 Port = DIVA_OS_MEM_ATTACH_PORT(IoAdapter);
 addrHi =   Port + ((IoAdapter->Properties.Bus==BUS_PCI) ? M_PCI_ADDRH : ADDRH);
 addrLo = Port + ADDR ;
 ioaddr = Port + DATA ;
 diva_os_wait (100);
/*
 * recover
 */
 outpp  (addrHi, (byte) 0) ;
 outppw (addrLo, (word) 0) ;
 outppw (ioaddr, (word) 0) ;
/*
 * clear shared memory
 */
 outpp  (addrHi, (byte)((BRI_UNCACHED_ADDR (IoAdapter->MemoryBase + \
          IoAdapter->MemorySize - BRI_SHARED_RAM_SIZE)) >> 16)) ;
 outppw (addrLo, 0) ;
 for ( i = 0 ; i < 0x8000 ; outppw (ioaddr, 0), ++i ) ;
 DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);
 diva_os_wait (100) ;
/*
 * download protocol and dsp files
 */
 switch ( IoAdapter->protocol_id ) {
 default:
  if ( !xdiSetProtocol (IoAdapter, IoAdapter->ProtocolSuffix) )
   return (FALSE) ;
  if ( !bri_protocol_load (IoAdapter) )
   return (FALSE) ;
  if ( !bri_telindus_load (IoAdapter, DSP_TELINDUS_FILE) )
   return (FALSE) ;
  break ;
 case PROTTYPE_QSIG:
 case PROTTYPE_CORNETN:
  if ( !xdiSetProtocol (IoAdapter, IoAdapter->ProtocolSuffix) )
   return (FALSE) ;
  if (IoAdapter->ProtocolSuffix && *IoAdapter->ProtocolSuffix) {
   sprintf (&IoAdapter->Protocol[0],
        "TE_QSIG.%s", IoAdapter->ProtocolSuffix) ;
  }
  DBG_TRC(("xdiSetProtocol: %s firmware '%s' archive '%s'",
     IoAdapter->Properties.Name,
     &IoAdapter->Protocol[0], &IoAdapter->Archive[0]))
  if ( !bri_protocol_load (IoAdapter) )
   return (FALSE) ;
  if ( !bri_telindus_load (IoAdapter, DSP_QSIG_TELINDUS_FILE) )
   return (FALSE) ;
  break ;
 }

 Port = DIVA_OS_MEM_ATTACH_PORT(IoAdapter);
 addrHi =   Port + ((IoAdapter->Properties.Bus==BUS_PCI) ? M_PCI_ADDRH : ADDRH);
 addrLo = Port + ADDR ;
 ioaddr = Port + DATA ;
/*
 * clear signature
 */
 outpp  (addrHi, (byte)((BRI_UNCACHED_ADDR (IoAdapter->MemoryBase + \
     IoAdapter->MemorySize - BRI_SHARED_RAM_SIZE)) >> 16)) ;
 outppw (addrLo, 0x1e) ;
 outpp (ioaddr, 0) ;
 outpp (ioaddr, 0) ;
/*
 * copy parameters
 */
 diva_configure_protocol (IoAdapter);
 DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);
/*
 * start the protocol code
 */
 p = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter);
 outpp (p, 0x08) ;
 DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, p);
/*
 * wait for signature (max. 3 seconds)
 */
 Port = DIVA_OS_MEM_ATTACH_PORT(IoAdapter);
 addrHi =   Port + ((IoAdapter->Properties.Bus==BUS_PCI) ? M_PCI_ADDRH : ADDRH);
 addrLo = Port + ADDR ;
 ioaddr = Port + DATA ;
 for ( i = 0 ; i < 300 ; ++i )
 {
  diva_os_wait (10) ;
  outpp (addrHi, (byte)((BRI_UNCACHED_ADDR (IoAdapter->MemoryBase + \
      IoAdapter->MemorySize - BRI_SHARED_RAM_SIZE)) >> 16)) ;
  outppw (addrLo, 0x1e) ;
  test = (dword)inppw (ioaddr) ;
  if ( test == 0x4447 )
  {
   DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);
   DBG_TRC(("Protocol startup time %d.%02d seconds",
            (i / 100), (i % 100) ))
   return (TRUE) ;
  }
 }
 DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);
 DBG_FTL(("%s: Adapter selftest failed (0x%04X)!",
          IoAdapter->Properties.Name, test))
 bri_cpu_trapped (IoAdapter) ;
 return (FALSE) ;
}
#else /* } { */
static int load_bri_hardware (PISDN_ADAPTER IoAdapter) {
 return (0);
}
#endif /* } */
/******************************************************************************/
static int bri_ISR (struct _ISDN_ADAPTER* IoAdapter) {
 byte *p;

 p = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter);
 if ( !(inpp (p) & 0x01) ) {
  DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, p);
  return (0) ;
 }
 /*
  clear interrupt line
  */
 outpp (p, 0x08) ;
 DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, p);
 IoAdapter->IrqCount++ ;
 if ( IoAdapter->Initialized ) {
  diva_os_schedule_soft_isr (&IoAdapter->isr_soft_isr);
 }
 return (1) ;
}
/* --------------------------------------------------------------------------
  Disable IRQ in the card hardware
  -------------------------------------------------------------------------- */
static void disable_bri_interrupt (PISDN_ADAPTER IoAdapter) {
 byte *p;
 p = DIVA_OS_MEM_ATTACH_RESET(IoAdapter);
 if ( p )
 {
  outpp (p, 0x00) ; /* disable interrupts ! */
 }
 DIVA_OS_MEM_DETACH_RESET(IoAdapter, p);
 p = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter);
 outpp (p, 0x00) ; /* clear int, halt cpu */
 DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, p);
}
/* -------------------------------------------------------------------------
  Fill card entry points
  ------------------------------------------------------------------------- */
void prepare_maestra_functions (PISDN_ADAPTER IoAdapter) {
 ADAPTER *a = &IoAdapter->a ;
 a->ram_in             = io_in ;
 a->ram_inw            = io_inw ;
 a->ram_in_buffer      = io_in_buffer ;
 a->ram_look_ahead     = io_look_ahead ;
 a->ram_out            = io_out ;
 a->ram_outw           = io_outw ;
 a->ram_out_buffer     = io_out_buffer ;
 a->ram_inc            = io_inc ;
 IoAdapter->MemoryBase = BRI_MEMORY_BASE ;
 IoAdapter->MemorySize = BRI_MEMORY_SIZE ;
 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 ;
 IoAdapter->load       = load_bri_hardware ;
 IoAdapter->disIrq     = disable_bri_interrupt ;
 IoAdapter->rstFnc     = reset_bri_hardware ;
 IoAdapter->stop       = stop_bri_hardware ;
 IoAdapter->trapFnc    = bri_cpu_trapped ;
 IoAdapter->diva_isr_handler = bri_ISR;
 /*
  Prepare OS dependent functions
  */
 diva_os_prepare_maestra_functions (IoAdapter);
}
/* -------------------------------------------------------------------------- */