/arch/mips/nxp/pnx833x/common/reset.c

 1/*
 2 *  reset.c: reset support for PNX833X.
 3 *
 4 *  Copyright 2008 NXP Semiconductors
 5 *	  Chris Steel <chris.steel@nxp.com>
 6 *    Daniel Laird <daniel.j.laird@nxp.com>
 7 *
 8 *  Based on software written by:
 9 *      Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code.
10 *
11 *  This program is free software; you can redistribute it and/or modify
12 *  it under the terms of the GNU General Public License as published by
13 *  the Free Software Foundation; either version 2 of the License, or
14 *  (at your option) any later version.
15 *
16 *  This program is distributed in the hope that it will be useful,
17 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
18 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19 *  GNU General Public License for more details.
20 *
21 *  You should have received a copy of the GNU General Public License
22 *  along with this program; if not, write to the Free Software
23 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 */
25#include <linux/reboot.h>
26#include <pnx833x.h>
27
28void pnx833x_machine_restart(char *command)
29{
30	PNX833X_RESET_CONTROL_2 = 0;
31	PNX833X_RESET_CONTROL = 0;
32}
33
34void pnx833x_machine_halt(void)
35{
36	while (1)
37		__asm__ __volatile__ ("wait");
38
39}
40
41void pnx833x_machine_power_off(void)
42{
43	pnx833x_machine_halt();
44}