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Diffstat (limited to 'arch/mips/dec/reset.c')
-rw-r--r--arch/mips/dec/reset.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/mips/dec/reset.c b/arch/mips/dec/reset.c
new file mode 100644
index 000000000000..7e4d34d0573d
--- /dev/null
+++ b/arch/mips/dec/reset.c
@@ -0,0 +1,41 @@
+/*
+ * Reset a DECstation machine.
+ *
+ * Copyright (C) 199x the Anonymous
+ * Copyright (C) 2001, 2002, 2003 Maciej W. Rozycki
+ */
+#include <linux/interrupt.h>
+#include <linux/linkage.h>
+
+#include <asm/addrspace.h>
+#include <asm/ptrace.h>
+
+typedef void ATTRIB_NORET (* noret_func_t)(void);
+
+static inline void ATTRIB_NORET back_to_prom(void)
+{
+ noret_func_t func = (void *) KSEG1ADDR(0x1fc00000);
+
+ func();
+}
+
+void ATTRIB_NORET dec_machine_restart(char *command)
+{
+ back_to_prom();
+}
+
+void ATTRIB_NORET dec_machine_halt(void)
+{
+ back_to_prom();
+}
+
+void ATTRIB_NORET dec_machine_power_off(void)
+{
+ /* DECstations don't have a software power switch */
+ back_to_prom();
+}
+
+irqreturn_t dec_intr_halt(int irq, void *dev_id, struct pt_regs *regs)
+{
+ dec_machine_halt();
+}