Merge branches 'amd-iommu/fixes' and 'dma-debug/fixes' into iommu/fixes
[linux-2.6-block.git] / arch / mips / powertv / reset.c
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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
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31static 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
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44void mips_reboot_setup(void)
45{
46 _machine_restart = mips_machine_restart;
a3a0f8c8 47}