IBM Akebono: Add the Akebono platform

[mirror_ubuntu-artful-kernel.git] / arch / powerpc / boot / dcr.h

diff --git a/arch/powerpc/boot/dcr.h b/arch/powerpc/boot/dcr.h
index cc73f7a95e26c488b5afabc1b6691d9f7456920a..bf8f4ede192851249bbc6b1a2b0114072ead5d3f 100644 (file)
--- a/arch/powerpc/boot/dcr.h
+++ b/arch/powerpc/boot/dcr.h
@@ -15,6 +15,10 @@
                asm volatile("mfdcrx %0,%1" : "=r"(rval) : "r"(rn)); \
                rval; \
        })
+#define mtdcrx(rn, val) \
+       ({      \
+               asm volatile("mtdcrx %0,%1" : : "r"(rn), "r" (val)); \
+       })
 
 /* 440GP/440GX SDRAM controller DCRs */
 #define DCRN_SDRAM0_CFGADDR                            0x010