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
2013-12-09 17:29:03 +00:00 · 2013-12-09 17:29:03 +00:00 · 0c6b6702e3
parent dbd8651cdf
commit 0c6b6702e3
1 changed files with 14 additions and 0 deletions
--- a/target/linux/ramips/patches-3.10/800-eco.patch
+++ 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