From cdb3592a20b41377a28a0737dc9af95e53024470 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Mon, 1 Sep 2008 19:31:16 -0700
Subject: sparc64: Move reboot handling into seperate file and kill power reg
 programming.

We should always use prom_power_off().

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc64/kernel/reboot.c | 56 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 arch/sparc64/kernel/reboot.c

(limited to 'arch/sparc64/kernel/reboot.c')

diff --git a/arch/sparc64/kernel/reboot.c b/arch/sparc64/kernel/reboot.c
new file mode 100644
index 000000000000..04dd34cbb872
--- /dev/null
+++ b/arch/sparc64/kernel/reboot.c
@@ -0,0 +1,56 @@
+/* reboot.c: reboot/shutdown/halt/poweroff handling
+ *
+ * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
+ */
+#include <linux/kernel.h>
+#include <linux/reboot.h>
+#include <linux/module.h>
+#include <linux/pm.h>
+
+#include <asm/sstate.h>
+#include <asm/oplib.h>
+#include <asm/prom.h>
+
+/* sysctl - toggle power-off restriction for serial console
+ * systems in machine_power_off()
+ */
+int scons_pwroff = 1;
+
+/* This isn't actually used, it exists merely to satisfy the
+ * reference in kernel/sys.c
+ */
+void (*pm_power_off)(void) = machine_power_off;
+EXPORT_SYMBOL(pm_power_off);
+
+void machine_power_off(void)
+{
+	sstate_poweroff();
+	if (strcmp(of_console_device->type, "serial") || scons_pwroff)
+		prom_halt_power_off();
+
+	prom_halt();
+}
+
+void machine_halt(void)
+{
+	sstate_halt();
+	prom_halt();
+	panic("Halt failed!");
+}
+
+void machine_restart(char *cmd)
+{
+	char *p;
+
+	sstate_reboot();
+	p = strchr(reboot_command, '\n');
+	if (p)
+		*p = 0;
+	if (cmd)
+		prom_reboot(cmd);
+	if (*reboot_command)
+		prom_reboot(reboot_command);
+	prom_reboot("");
+	panic("Reboot failed!");
+}
+
-- 
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