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authorThomas Gleixner <tglx@linutronix.de>2007-10-11 11:16:38 +0200
committerThomas Gleixner <tglx@linutronix.de>2007-10-11 11:16:38 +0200
commitc2b84d8d1a66a0a886de51f1bfef5c4f16c0c784 (patch)
treedba8ae5777563f7df4e000725d253b7cd995bb7f /arch/x86/mach-visws/reboot.c
parentfb9aa6f1d4a1e11e66a680460b2c2b2b10b62f79 (diff)
downloadlinux-2.6.38-lt-ux500-c2b84d8d1a66a0a886de51f1bfef5c4f16c0c784.tar.gz
i386: move mach-visws
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mach-visws/reboot.c')
-rw-r--r--arch/x86/mach-visws/reboot.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/x86/mach-visws/reboot.c b/arch/x86/mach-visws/reboot.c
new file mode 100644
index 00000000000..99332abfad4
--- /dev/null
+++ b/arch/x86/mach-visws/reboot.c
@@ -0,0 +1,55 @@
+#include <linux/module.h>
+#include <linux/smp.h>
+#include <linux/delay.h>
+
+#include <asm/io.h>
+#include "piix4.h"
+
+void (*pm_power_off)(void);
+EXPORT_SYMBOL(pm_power_off);
+
+void machine_shutdown(void)
+{
+#ifdef CONFIG_SMP
+ smp_send_stop();
+#endif
+}
+
+void machine_emergency_restart(void)
+{
+ /*
+ * Visual Workstations restart after this
+ * register is poked on the PIIX4
+ */
+ outb(PIIX4_RESET_VAL, PIIX4_RESET_PORT);
+}
+
+void machine_restart(char * __unused)
+{
+ machine_shutdown();
+ machine_emergency_restart();
+}
+
+void machine_power_off(void)
+{
+ unsigned short pm_status;
+ extern unsigned int pci_bus0;
+
+ while ((pm_status = inw(PMSTS_PORT)) & 0x100)
+ outw(pm_status, PMSTS_PORT);
+
+ outw(PM_SUSPEND_ENABLE, PMCNTRL_PORT);
+
+ mdelay(10);
+
+#define PCI_CONF1_ADDRESS(bus, devfn, reg) \
+ (0x80000000 | (bus << 16) | (devfn << 8) | (reg & ~3))
+
+ outl(PCI_CONF1_ADDRESS(pci_bus0, SPECIAL_DEV, SPECIAL_REG), 0xCF8);
+ outl(PIIX_SPECIAL_STOP, 0xCFC);
+}
+
+void machine_halt(void)
+{
+}
+