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-rw-r--r--arch/mips/gt64120/wrppmc/reset.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/mips/gt64120/wrppmc/reset.c b/arch/mips/gt64120/wrppmc/reset.c
new file mode 100644
index 000000000000..b97039c6d3db
--- /dev/null
+++ b/arch/mips/gt64120/wrppmc/reset.c
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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#include <asm/cacheflush.h>
16
17void wrppmc_machine_restart(char *command)
18{
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 local_irq_disable();
26 set_c0_status(ST0_BEV | ST0_ERL);
27 change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
28 flush_cache_all();
29 write_c0_wired(0);
30 __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000));
31}
32
33void wrppmc_machine_halt(void)
34{
35 local_irq_disable();
36
37 printk(KERN_NOTICE "You can safely turn off the power\n");
38 while (1) {
39 __asm__(
40 ".set\tmips3\n\t"
41 "wait\n\t"
42 ".set\tmips0"
43 );
44 }
45}
46
47void wrppmc_machine_power_off(void)
48{
49 wrppmc_machine_halt();
50}