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authorMichal Marek <mmarek@suse.cz>2010-10-12 09:09:06 -0400
committerMichal Marek <mmarek@suse.cz>2010-10-12 09:09:06 -0400
commit239060b93bb30a4ad55f1ecaa512464a035cc5ba (patch)
tree77f79810e57d4fc24356eca0cd6db463e8994128 /arch/mips/wrppmc/reset.c
parent1408b15b98635a13bad2e2a50b3c2ae2ccdf625b (diff)
parente9203c988234aa512bd45ca32b52e21c7bbfc414 (diff)
Merge branch 'kbuild/rc-fixes' into kbuild/kconfig
We need to revert the temporary hack in 71ebc01, hence the merge.
Diffstat (limited to 'arch/mips/wrppmc/reset.c')
-rw-r--r--arch/mips/wrppmc/reset.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/mips/wrppmc/reset.c b/arch/mips/wrppmc/reset.c
new file mode 100644
index 000000000000..cc5474b24f06
--- /dev/null
+++ b/arch/mips/wrppmc/reset.c
@@ -0,0 +1,40 @@
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/irqflags.h>
9#include <linux/kernel.h>
10
11#include <asm/cacheflush.h>
12#include <asm/mipsregs.h>
13#include <asm/processor.h>
14
15void wrppmc_machine_restart(char *command)
16{
17 /*
18 * Ouch, we're still alive ... This time we take the silver bullet ...
19 * ... and find that we leave the hardware in a state in which the
20 * kernel in the flush locks up somewhen during of after the PCI
21 * detection stuff.
22 */
23 local_irq_disable();
24 set_c0_status(ST0_BEV | ST0_ERL);
25 change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
26 flush_cache_all();
27 write_c0_wired(0);
28 __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000));
29}
30
31void wrppmc_machine_halt(void)
32{
33 local_irq_disable();
34
35 printk(KERN_NOTICE "You can safely turn off the power\n");
36 while (1) {
37 if (cpu_wait)
38 cpu_wait();
39 }
40}