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authorIngo Molnar <mingo@elte.hu>2010-08-12 21:38:56 +0200
committerIngo Molnar <mingo@elte.hu>2010-08-12 21:39:04 +0200
commitf46a6804135795f77d096ab0128f27531c7d051c (patch)
tree7cd33f69e3661327739ae4c96e5a8389e7fc912e /arch/mips/wrppmc/reset.c
parentMerge branch 'perf/core' into perf/urgent (diff)
parentMerge branch 'io_remap_pfn_range' of git://www.jni.nu/cris (diff)
downloadlinux-f46a6804135795f77d096ab0128f27531c7d051c.tar.xz
linux-f46a6804135795f77d096ab0128f27531c7d051c.zip
Merge branch 'linus' into perf/urgent
Merge reason: Fix upstream breakage introduced by: de5d9bf: Move list types from <linux/list.h> to <linux/types.h>. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1997 Ralf Baechle
+ */
+#include <linux/irqflags.h>
+#include <linux/kernel.h>
+
+#include <asm/cacheflush.h>
+#include <asm/mipsregs.h>
+#include <asm/processor.h>
+
+void wrppmc_machine_restart(char *command)
+{
+ /*
+ * Ouch, we're still alive ... This time we take the silver bullet ...
+ * ... and find that we leave the hardware in a state in which the
+ * kernel in the flush locks up somewhen during of after the PCI
+ * detection stuff.
+ */
+ local_irq_disable();
+ set_c0_status(ST0_BEV | ST0_ERL);
+ change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
+ flush_cache_all();
+ write_c0_wired(0);
+ __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000));
+}
+
+void wrppmc_machine_halt(void)
+{
+ local_irq_disable();
+
+ printk(KERN_NOTICE "You can safely turn off the power\n");
+ while (1) {
+ if (cpu_wait)
+ cpu_wait();
+ }
+}