1 /*
2 * Carsten Langgaard, carstenl@mips.com
3 * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
4 * Portions copyright (C) 2009 Cisco Systems, Inc.
5 *
6 * This program is free software; you can distribute it and/or modify it
7 * under the terms of the GNU General Public License (Version 2) as
8 * published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
18 */
19 #include <linux/pm.h>
20
21 #include <linux/io.h>
22 #include <asm/reboot.h> /* Not included by linux/reboot.h */
23
24 #ifdef CONFIG_BOOTLOADER_DRIVER
25 #include <asm/mach-powertv/kbldr.h>
26 #endif
27
28 #include <asm/mach-powertv/asic_regs.h>
29 #include "reset.h"
30
mips_machine_restart(char * command)31 static void mips_machine_restart(char *command)
32 {
33 #ifdef CONFIG_BOOTLOADER_DRIVER
34 /*
35 * Call the bootloader's reset function to ensure
36 * that persistent data is flushed before hard reset
37 */
38 kbldr_SetCauseAndReset();
39 #else
40 writel(0x1, asic_reg_addr(watchdog));
41 #endif
42 }
43
mips_reboot_setup(void)44 void mips_reboot_setup(void)
45 {
46 _machine_restart = mips_machine_restart;
47 }
48