2 files changed, 37 insertions, 4 deletions

diff --git a/arch/m68knommu/Makefile b/arch/m68knommu/Makefile
index e0b5f62e395c..b63bbcf874ff 100644
--- a/arch/m68knommu/Makefile
+++ b/arch/m68knommu/Makefile
@@ -8,6 +8,8 @@
 # (C) Copyright 2002, Greg Ungerer <gerg@snapgear.com>
 #
 
+KBUILD_DEFCONFIG := m5208evb_defconfig
+
 platform-$(CONFIG_M68328)       := 68328
 platform-$(CONFIG_M68EZ328)     := 68EZ328
 platform-$(CONFIG_M68VZ328)     := 68VZ328
@@ -90,13 +92,14 @@ export PLATFORM BOARD MODEL CPUCLASS
 cflags-$(CONFIG_M5206)          := -m5200
 cflags-$(CONFIG_M5206e)         := -m5200
 cflags-$(CONFIG_M520x)          := -m5307
-cflags-$(CONFIG_M523x)          := -m5307
+cflags-$(CONFIG_M523x)          := $(call cc-option,-mcpu=523x,-m5307)
 cflags-$(CONFIG_M5249)          := -m5200
-cflags-$(CONFIG_M527x)          := -m5307
+cflags-$(CONFIG_M5271)          := $(call cc-option,-mcpu=5271,-m5307)
 cflags-$(CONFIG_M5272)          := -m5307
-cflags-$(CONFIG_M528x)          := -m5307
+cflags-$(CONFIG_M5275)          := $(call cc-option,-mcpu=5275,-m5307)
+cflags-$(CONFIG_M528x)          := $(call cc-option,-m528x,-m5307)
 cflags-$(CONFIG_M5307)          := -m5307
-cflags-$(CONFIG_M532x)          := -m5307
+cflags-$(CONFIG_M532x)          := $(call cc-option,-mcpu=532x,-m5307)
 cflags-$(CONFIG_M5407)          := -m5200
 cflags-$(CONFIG_M68328)         := -m68000
 cflags-$(CONFIG_M68EZ328)       := -m68000
diff --git a/include/asm-m68knommu/bitops.h b/include/asm-m68knommu/bitops.h
index c142fbf2f376..6f3685eab44c 100644
--- a/include/asm-m68knommu/bitops.h
+++ b/include/asm-m68knommu/bitops.h
@@ -14,8 +14,38 @@
 #error only <linux/bitops.h> can be included directly
 #endif
 
+#if defined (__mcfisaaplus__) || defined (__mcfisac__)
+static inline int ffs(unsigned int val)
+{
+        if (!val)
+                return 0;
+
+        asm volatile(
+                        "bitrev %0\n\t"
+                        "ff1 %0\n\t"
+                        : "=d" (val)
+                        : "0" (val)
+                    );
+        val++;
+        return val;
+}
+
+static inline int __ffs(unsigned int val)
+{
+        asm volatile(
+                        "bitrev %0\n\t"
+                        "ff1 %0\n\t"
+                        : "=d" (val)
+                        : "0" (val)
+                    );
+        return val;
+}
+
+#else
 #include <asm-generic/bitops/ffs.h>
 #include <asm-generic/bitops/__ffs.h>
+#endif
+
 #include <asm-generic/bitops/sched.h>
 #include <asm-generic/bitops/ffz.h>