1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/standby.S b/arch/arm/mach-pxa/standby.S
new file mode 100644
index 0000000..8a3f27b
--- /dev/null
+++ b/arch/arm/mach-pxa/standby.S
@@ -0,0 +1,32 @@
+/*
+ * PXA27x standby mode
+ *
+ * Author: David Burrage
+ *
+ * 2005 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+#include <linux/config.h>
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include <asm/hardware.h>
+
+#include <asm/arch/pxa-regs.h>
+
+		.text
+
+ENTRY(pxa_cpu_standby)
+	ldr	r0, =PSSR
+	mov	r1, #(PSSR_PH | PSSR_STS)
+	mov	r2, #2
+	mov	r3, #UNCACHED_PHYS_0	@ Read mem context in.
+	ldr	ip, [r3]
+	b	1f
+
+	.align	5
+1:	mcr	p14, 0, r2, c7, c0, 0	@ put the system into Standby
+	str	r1, [r0]		@ make sure PSSR_PH/STS are clear
+	mov	pc, lr