cns3xxx: add linux 3.8 support and use it by default

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35908 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 69 insertions, 0 deletions

diff --git a/target/linux/cns3xxx/patches-3.8/015-clkdev_support.patch b/target/linux/cns3xxx/patches-3.8/015-clkdev_support.patch
new file mode 100644
index 000000000..15e301a45
--- /dev/null
+++ b/target/linux/cns3xxx/patches-3.8/015-clkdev_support.patch
@@ -0,0 +1,69 @@
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -365,6 +365,7 @@ config ARCH_CNS3XXX
+ 	select MIGHT_HAVE_CACHE_L2X0
+ 	select MIGHT_HAVE_PCI
+ 	select PCI_DOMAINS if PCI
++	select CLKDEV_LOOKUP
+ 	help
+ 	  Support for Cavium Networks CNS3XXX platform.
+ 
+--- a/arch/arm/mach-cns3xxx/core.c
++++ b/arch/arm/mach-cns3xxx/core.c
+@@ -9,8 +9,11 @@
+  */
+ 
+ #include <linux/init.h>
++#include <linux/export.h>
+ #include <linux/interrupt.h>
+ #include <linux/clockchips.h>
++#include <linux/clk.h>
++#include <linux/clkdev.h>
+ #include <linux/io.h>
+ #include <asm/mach/map.h>
+ #include <asm/mach/time.h>
+@@ -20,6 +23,10 @@
+ #include <mach/cns3xxx.h>
+ #include "core.h"
+ 
++struct clk {
++	unsigned long	rate;
++};
++
+ static struct map_desc cns3xxx_io_desc[] __initdata = {
+ 	{
+ 		.virtual	= CNS3XXX_TC11MP_TWD_BASE_VIRT,
+@@ -277,3 +284,33 @@ void __init cns3xxx_l2x0_init(void)
+ }
+ 
+ #endif /* CONFIG_CACHE_L2X0 */
++
++int clk_enable(struct clk *clk)
++{
++	return 0;
++}
++EXPORT_SYMBOL(clk_enable);
++
++void clk_disable(struct clk *clk)
++{
++}
++EXPORT_SYMBOL(clk_disable);
++
++unsigned long clk_get_rate(struct clk *clk)
++{
++	return clk->rate;
++}
++EXPORT_SYMBOL(clk_get_rate);
++
++static struct clk_lookup cns3xxx_clocks[] = {
++	{
++		/* TODO */
++	},
++};
++
++int __init cns3xxx_clocks_init(void)
++{
++	clkdev_add_table(cns3xxx_clocks, ARRAY_SIZE(cns3xxx_clocks));
++	return 0;
++}
++postcore_initcall(cns3xxx_clocks_init);