aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/powertv/reset.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/powertv/reset.c')
-rw-r--r--arch/mips/powertv/reset.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/mips/powertv/reset.c b/arch/mips/powertv/reset.c
new file mode 100644
index 000000000000..494c652c984b
--- /dev/null
+++ b/arch/mips/powertv/reset.c
@@ -0,0 +1,65 @@
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
31static void mips_machine_restart(char *command);
32static void mips_machine_halt(void);
33
34static void mips_machine_restart(char *command)
35{
36#ifdef CONFIG_BOOTLOADER_DRIVER
37 /*
38 * Call the bootloader's reset function to ensure
39 * that persistent data is flushed before hard reset
40 */
41 kbldr_SetCauseAndReset();
42#else
43 writel(0x1, asic_reg_addr(watchdog));
44#endif
45}
46
47static void mips_machine_halt(void)
48{
49#ifdef CONFIG_BOOTLOADER_DRIVER
50 /*
51 * Call the bootloader's reset function to ensure
52 * that persistent data is flushed before hard reset
53 */
54 kbldr_SetCauseAndReset();
55#else
56 writel(0x1, asic_reg_addr(watchdog));
57#endif
58}
59
60void mips_reboot_setup(void)
61{
62 _machine_restart = mips_machine_restart;
63 _machine_halt = mips_machine_halt;
64 pm_power_off = mips_machine_halt;
65}