cpu/nios2/cpu.c

   1 /*
   2  * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
   3  * Scott McNutt <smcnutt@psyent.com>
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25 #include <nios2.h>
  26 #include <nios2-io.h>
  27
  28 #if defined (CONFIG_SYS_NIOS_SYSID_BASE)
  29 extern void display_sysid (void);
  30 #endif /* CONFIG_SYS_NIOS_SYSID_BASE */
  31
  32 int checkcpu (void)
  33 {
  34         printf ("CPU   : Nios-II\n");
  35 #if !defined(CONFIG_SYS_NIOS_SYSID_BASE)
  36         printf ("SYSID : <unknown>\n");
  37 #else
  38         display_sysid ();
  39 #endif
  40         return (0);
  41 }
  42
  43
  44 int do_reset (void)
  45 {
  46         void (*rst)(void) = (void(*)(void))CONFIG_SYS_RESET_ADDR;
  47         disable_interrupts ();
  48         rst();
  49         return(0);
  50 }