diff options
Diffstat (limited to 'arch/mips/lemote/lm2e/reset.c')
-rw-r--r-- | arch/mips/lemote/lm2e/reset.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/mips/lemote/lm2e/reset.c b/arch/mips/lemote/lm2e/reset.c new file mode 100644 index 000000000000..099387a3827a --- /dev/null +++ b/arch/mips/lemote/lm2e/reset.c | |||
@@ -0,0 +1,41 @@ | |||
1 | /* | ||
2 | * This program is free software; you can redistribute it and/or modify it | ||
3 | * under the terms of the GNU General Public License as published by the | ||
4 | * Free Software Foundation; either version 2 of the License, or (at your | ||
5 | * option) any later version. | ||
6 | * | ||
7 | * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology | ||
8 | * Author: Fuxin Zhang, zhangfx@lemote.com | ||
9 | */ | ||
10 | #include <linux/pm.h> | ||
11 | |||
12 | #include <asm/reboot.h> | ||
13 | |||
14 | static void loongson2e_restart(char *command) | ||
15 | { | ||
16 | #ifdef CONFIG_32BIT | ||
17 | *(unsigned long *)0xbfe00104 &= ~(1 << 2); | ||
18 | *(unsigned long *)0xbfe00104 |= (1 << 2); | ||
19 | #else | ||
20 | *(unsigned long *)0xffffffffbfe00104 &= ~(1 << 2); | ||
21 | *(unsigned long *)0xffffffffbfe00104 |= (1 << 2); | ||
22 | #endif | ||
23 | __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000)); | ||
24 | } | ||
25 | |||
26 | static void loongson2e_halt(void) | ||
27 | { | ||
28 | while (1) ; | ||
29 | } | ||
30 | |||
31 | static void loongson2e_power_off(void) | ||
32 | { | ||
33 | loongson2e_halt(); | ||
34 | } | ||
35 | |||
36 | void mips_reboot_setup(void) | ||
37 | { | ||
38 | _machine_restart = loongson2e_restart; | ||
39 | _machine_halt = loongson2e_halt; | ||
40 | pm_power_off = loongson2e_power_off; | ||
41 | } | ||