From: blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Mon, 9 Dec 2013 17:29:03 +0000 (+0000)
Subject: ralink: add helper that identifies the mt7620 ECO
X-Git-Url: https://git.archive.openwrt.org/?p=openwrt.git;a=commitdiff_plain;h=300dd9d2509ccea49cb7c62593089b0327b6fca5

ralink: add helper that identifies the mt7620 ECO

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39014 3c298f89-4303-0410-b956-a3cf2f4a3e73
---

diff --git a/target/linux/ramips/patches-3.10/800-eco.patch b/target/linux/ramips/patches-3.10/800-eco.patch
new file mode 100644
index 0000000000..cb78d2e32d
--- /dev/null
+++ b/target/linux/ramips/patches-3.10/800-eco.patch
@@ -0,0 +1,14 @@
+Index: linux-3.10.18/arch/mips/include/asm/mach-ralink/mt7620.h
+===================================================================
+--- linux-3.10.18.orig/arch/mips/include/asm/mach-ralink/mt7620.h	2013-12-06 16:20:27.753388970 +0100
++++ linux-3.10.18/arch/mips/include/asm/mach-ralink/mt7620.h	2013-12-06 16:21:14.021390074 +0100
+@@ -101,4 +101,9 @@
+ #define MT7620_GPIO_MODE_EPHY		15
+ #define MT7620_GPIO_MODE_PA		20
+ 
++static inline int mt7620_get_eco(void)
++{
++	return rt_sysc_r32(SYSC_REG_CHIP_REV) & CHIP_REV_ECO_MASK;
++}
++
+ #endif