cns3xxx: add preliminary 4.9 support

[openwrt/staging/yousong.git] / target / linux / cns3xxx / patches-4.9 / 045-twd_base.patch

diff --git a/target/linux/cns3xxx/patches-4.9/045-twd_base.patch b/target/linux/cns3xxx/patches-4.9/045-twd_base.patch
new file mode 100644 (file)
index 0000000..e722b01
--- /dev/null
+++ b/target/linux/cns3xxx/patches-4.9/045-twd_base.patch
@@ -0,0 +1,43 @@
+--- 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,
+@@ -198,6 +201,15 @@ static struct irqaction cns3xxx_timer_ir
+       .handler        = cns3xxx_timer_interrupt,
+ };
+ 
++static void __init cns3xxx_init_twd(void)
++{
++      static DEFINE_TWD_LOCAL_TIMER(cns3xx_twd_local_timer,
++              CNS3XXX_TC11MP_TWD_BASE,
++              IRQ_LOCALTIMER);
++
++      twd_local_timer_register(&cns3xx_twd_local_timer);
++}
++
+ /*
+  * Set up the clock source and clock events devices
+  */
+@@ -251,6 +263,7 @@ 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)