imx: mx6: add get_cpu_speed_grade_hz func to return MHz speed grade from OTP

[karo-tx-uboot.git] / arch / arm / include / asm / arch-mx6 / sys_proto.h

diff --git a/arch/arm/include/asm/arch-mx6/sys_proto.h b/arch/arm/include/asm/arch-mx6/sys_proto.h
index 8e92e8567fe5fe22e9a3465ade77ca7375cf353b..0db28f48a141b3f6442fa719877619c09bef3b22 100644 (file)
--- a/arch/arm/include/asm/arch-mx6/sys_proto.h
+++ b/arch/arm/include/asm/arch-mx6/sys_proto.h
@@ -16,6 +16,7 @@
 
 u32 get_nr_cpus(void);
 u32 get_cpu_rev(void);
+u32 get_cpu_speed_grade_hz(void);
 
 /* returns MXC_CPU_ value */
 #define cpu_type(rev) (((rev) >> 12)&0xff)