aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-ixp4xx/include/mach/system.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-ixp4xx/include/mach/system.h')
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/system.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/include/mach/system.h b/arch/arm/mach-ixp4xx/include/mach/system.h
new file mode 100644
index 00000000000..92a7e8ddf69
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/include/mach/system.h
@@ -0,0 +1,42 @@
+/*
+ * arch/arm/mach-ixp4xx/include/mach/system.h
+ *
+ * Copyright (C) 2002 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <mach/hardware.h>
+
+static inline void arch_idle(void)
+{
+#if 0
+ if (!hlt_counter)
+ cpu_do_idle(0);
+#endif
+}
+
+
+static inline void arch_reset(char mode)
+{
+ if ( 1 && mode == 's') {
+ /* Jump into ROM at address 0 */
+ cpu_reset(0);
+ } else {
+ /* Use on-chip reset capability */
+
+ /* set the "key" register to enable access to
+ * "timer" and "enable" registers
+ */
+ *IXP4XX_OSWK = IXP4XX_WDT_KEY;
+
+ /* write 0 to the timer register for an immediate reset */
+ *IXP4XX_OSWT = 0;
+
+ *IXP4XX_OSWE = IXP4XX_WDT_RESET_ENABLE | IXP4XX_WDT_COUNT_ENABLE;
+ }
+}
+