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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/mips/kernel/reset.c
Initial import
Diffstat (limited to 'arch/mips/kernel/reset.c')
-rw-r--r--arch/mips/kernel/reset.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/mips/kernel/reset.c b/arch/mips/kernel/reset.c
new file mode 100644
index 000000000..7c746d345
--- /dev/null
+++ b/arch/mips/kernel/reset.c
@@ -0,0 +1,69 @@
+/*
+ * 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) 2001, 06 by Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2001 MIPS Technologies, Inc.
+ */
+#include <linux/kernel.h>
+#include <linux/export.h>
+#include <linux/pm.h>
+#include <linux/types.h>
+#include <linux/reboot.h>
+#include <linux/delay.h>
+
+#include <asm/reboot.h>
+
+/*
+ * Urgs ... Too many MIPS machines to handle this in a generic way.
+ * So handle all using function pointers to machine specific
+ * functions.
+ */
+void (*_machine_restart)(char *command);
+void (*_machine_halt)(void);
+void (*pm_power_off)(void);
+
+EXPORT_SYMBOL(pm_power_off);
+
+void machine_restart(char *command)
+{
+ if (_machine_restart)
+ _machine_restart(command);
+
+#ifdef CONFIG_SMP
+ preempt_disable();
+ smp_send_stop();
+#endif
+ do_kernel_restart(command);
+ mdelay(1000);
+ pr_emerg("Reboot failed -- System halted\n");
+ local_irq_disable();
+ while (1);
+}
+
+void machine_halt(void)
+{
+ if (_machine_halt)
+ _machine_halt();
+
+#ifdef CONFIG_SMP
+ preempt_disable();
+ smp_send_stop();
+#endif
+ local_irq_disable();
+ while (1);
+}
+
+void machine_power_off(void)
+{
+ if (pm_power_off)
+ pm_power_off();
+
+#ifdef CONFIG_SMP
+ preempt_disable();
+ smp_send_stop();
+#endif
+ local_irq_disable();
+ while (1);
+}