cpu/leon2/cpu.c

   1 /* CPU specific code for the LEON2 CPU
   2  *
   3  * (C) Copyright 2007
   4  * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
   5  *
   6  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22  * MA 02111-1307 USA
  23  */
  24
  25 #include <common.h>
  26 #include <watchdog.h>
  27 #include <command.h>
  28 #include <netdev.h>
  29
  30 DECLARE_GLOBAL_DATA_PTR;
  31
  32 extern void _reset_reloc(void);
  33
  34 int checkcpu(void)
  35 {
  36         /* check LEON version here */
  37         printf("CPU: LEON2\n");
  38         return 0;
  39 }
  40
  41 /* ------------------------------------------------------------------------- */
  42
  43 void cpu_reset(void)
  44 {
  45         /* Interrupts off */
  46         disable_interrupts();
  47
  48         /* jump to restart in flash */
  49         _reset_reloc();
  50 }
  51
  52 int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
  53 {
  54         cpu_reset();
  55
  56         return 1;
  57 }
  58
  59 /* ------------------------------------------------------------------------- */
  60
  61 #ifdef CONFIG_GRETH
  62 int cpu_eth_init(bd_t *bis)
  63 {
  64         return greth_initialize(bis);
  65 }
  66 #endif