diff options
Diffstat (limited to 'arch/mips/gt64120/ev64120/reset.c')
-rw-r--r-- | arch/mips/gt64120/ev64120/reset.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/mips/gt64120/ev64120/reset.c b/arch/mips/gt64120/ev64120/reset.c new file mode 100644 index 000000000000..7b9f5e5bf21f --- /dev/null +++ b/arch/mips/gt64120/ev64120/reset.c | |||
@@ -0,0 +1,45 @@ | |||
1 | /* | ||
2 | * This file is subject to the terms and conditions of the GNU General Public | ||
3 | * License. See the file "COPYING" in the main directory of this archive | ||
4 | * for more details. | ||
5 | * | ||
6 | * Copyright (C) 1997 Ralf Baechle | ||
7 | */ | ||
8 | #include <linux/sched.h> | ||
9 | #include <linux/mm.h> | ||
10 | #include <asm/io.h> | ||
11 | #include <asm/pgtable.h> | ||
12 | #include <asm/processor.h> | ||
13 | #include <asm/reboot.h> | ||
14 | #include <asm/system.h> | ||
15 | |||
16 | void galileo_machine_restart(char *command) | ||
17 | { | ||
18 | *(volatile char *) 0xbc000000 = 0x0f; | ||
19 | /* | ||
20 | * Ouch, we're still alive ... This time we take the silver bullet ... | ||
21 | * ... and find that we leave the hardware in a state in which the | ||
22 | * kernel in the flush locks up somewhen during of after the PCI | ||
23 | * detection stuff. | ||
24 | */ | ||
25 | set_c0_status(ST0_BEV | ST0_ERL); | ||
26 | change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED); | ||
27 | flush_cache_all(); | ||
28 | write_c0_wired(0); | ||
29 | __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000)); | ||
30 | } | ||
31 | |||
32 | void galileo_machine_halt(void) | ||
33 | { | ||
34 | printk(KERN_NOTICE "You can safely turn off the power\n"); | ||
35 | while (1) | ||
36 | __asm__(".set\tmips3\n\t" | ||
37 | "wait\n\t" | ||
38 | ".set\tmips0"); | ||
39 | |||
40 | } | ||
41 | |||
42 | void galileo_machine_power_off(void) | ||
43 | { | ||
44 | galileo_machine_halt(); | ||
45 | } | ||