patch-2.4.10 linux/arch/mips/philips/nino/power.c

• Lines: 37
• Date: Sun Sep 9 10:43:02 2001
• Orig file: v2.4.9/linux/arch/mips/philips/nino/power.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.9/linux/arch/mips/philips/nino/power.c linux/arch/mips/philips/nino/power.c
@@ -0,0 +1,36 @@
+/*
+ *  linux/arch/mips/philips/nino/power.c
+ *
+ *  Copyright (C) 2000 Jim Pick <jim@jimpick.com>
+ *  Copyright (C) 2001 Steven J. Hill (sjhill@realitydiluted.com)
+ *
+ * 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.
+ *
+ *  Power management routines on the Philips Nino.
+ */
+#include <asm/tx3912.h>
+
+void nino_wait(void)
+{
+	/* We stop the CPU to conserve power */
+	PowerControl |= PWR_STOPCPU;
+
+	/* 
+	 * We wait until an interrupt happens...
+	 */
+
+	/* We resume here */
+	PowerControl &= ~PWR_STOPCPU;
+
+	/* Give ourselves a little delay */
+	__asm__ __volatile__(
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t"
+		"nop\n\t");
+}