arch/metag/kernel/da.c

   1 /*
   2  * Meta DA JTAG debugger control.
   3  *
   4  * Copyright 2012 Imagination Technologies Ltd.
   5  */
   6
   7
   8 #include <linux/export.h>
   9 #include <linux/io.h>
  10 #include <linux/kernel.h>
  11 #include <asm/da.h>
  12 #include <asm/metag_mem.h>
  13
  14 bool _metag_da_present;
  15 EXPORT_SYMBOL_GPL(_metag_da_present);
  16
  17 int __init metag_da_probe(void)
  18 {
  19         _metag_da_present = (metag_in32(T0VECINT_BHALT) == 1);
  20         if (_metag_da_present)
  21                 pr_info("DA present\n");
  22         else
  23                 pr_info("DA not present\n");
  24         return 0;
  25 }