lantiq: add 3.18 support

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44348 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 21 insertions, 0 deletions

diff --git a/target/linux/lantiq/patches-3.18/0038-MIPS-lantiq-fpi-on-ar9.patch b/target/linux/lantiq/patches-3.18/0038-MIPS-lantiq-fpi-on-ar9.patch
new file mode 100644
index 0000000000..5fbe0a1137
--- /dev/null
+++ b/target/linux/lantiq/patches-3.18/0038-MIPS-lantiq-fpi-on-ar9.patch
@@ -0,0 +1,21 @@
+Return correct value for fpi clock on ar9.
+
+Signed-off-by: Ben Mulvihill <ben.mulvihill@gmail.com>
+---
+ arch/mips/lantiq/xway/clk.c |    5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+--- a/arch/mips/lantiq/xway/clk.c
++++ b/arch/mips/lantiq/xway/clk.c
+@@ -87,8 +87,9 @@ unsigned long ltq_ar9_fpi_hz(void)
+ 	unsigned long sys = ltq_ar9_sys_hz();
+ 
+ 	if (ltq_cgu_r32(CGU_SYS) & BIT(0))
+-		return sys;
+-	return sys >> 1;
++		return sys / 3;
++	else
++		return sys / 2;
+ }
+ 
+ unsigned long ltq_ar9_cpu_hz(void)