openwrt/target/linux/cns3xxx/patches-3.10/045-twd_base.patch

--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -17,6 +17,7 @@
 #include <linux/platform_device.h>
 #include <linux/usb/ehci_pdriver.h>
 #include <linux/usb/ohci_pdriver.h>
+#include <asm/smp_twd.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <asm/mach/time.h>
@@ -26,6 +27,8 @@
 #include "core.h"
 #include "pm.h"
 
+#define IRQ_LOCALTIMER 29
+
 static struct map_desc cns3xxx_io_desc[] __initdata = {
 	{
 		.virtual	= CNS3XXX_TC11MP_SCU_BASE_VIRT,
@@ -159,6 +162,17 @@ static struct irqaction cns3xxx_timer_ir
 	.handler	= cns3xxx_timer_interrupt,
 };
 
+static void __init cns3xxx_init_twd(void)
+{
+#ifdef CONFIG_LOCAL_TIMERS
+	static DEFINE_TWD_LOCAL_TIMER(cns3xx_twd_local_timer,
+		CNS3XXX_TC11MP_TWD_BASE,
+		IRQ_LOCALTIMER);
+
+	twd_local_timer_register(&cns3xx_twd_local_timer);
+#endif
+}
+
 /*
  * Set up the clock source and clock events devices
  */
@@ -212,6 +226,7 @@ static void __init __cns3xxx_timer_init(
 	setup_irq(timer_irq, &cns3xxx_timer_irq);
 
 	cns3xxx_clockevents_init(timer_irq);
+	cns3xxx_init_twd();
 }
 
 void __init cns3xxx_timer_init(void)