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
pnx833x_machine_restart(char * command)28 void pnx833x_machine_restart(char *command)
29 {
30 PNX833X_RESET_CONTROL_2 = 0;
31 PNX833X_RESET_CONTROL = 0;
32 }
33
pnx833x_machine_halt(void)34 void pnx833x_machine_halt(void)
35 {
36 while (1)
37 __asm__ __volatile__ ("wait");
38
39 }
40
pnx833x_machine_power_off(void)41 void pnx833x_machine_power_off(void)
42 {
43 pnx833x_machine_halt();
44 }
45