imx: Move some i.MX common functions into the imx-common directory

[oweals/u-boot.git] / arch / arm / include / asm / system.h

diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index 1918492eaed7e6f19845a283d78ab6341446b038..760345f847fd711f916ba5ac4bacffeeaf424a49 100644 (file)
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -81,6 +81,20 @@ static inline void set_cr(unsigned int val)
        isb();
 }
 
+static inline unsigned int get_dacr(void)
+{
+       unsigned int val;
+       asm("mrc p15, 0, %0, c3, c0, 0  @ get DACR" : "=r" (val) : : "cc");
+       return val;
+}
+
+static inline void set_dacr(unsigned int val)
+{
+       asm volatile("mcr p15, 0, %0, c3, c0, 0 @ set DACR"
+         : : "r" (val) : "cc");
+       isb();
+}
+
 /* options available for data cache on each page */
 enum dcache_option {
        DCACHE_OFF = 0x12,