1 files changed, 92 insertions, 0 deletions

diff --git a/arch/blackfin/include/asm/blackfin.h b/arch/blackfin/include/asm/blackfin.h
new file mode 100644
index 000000000000..8749b0e321ab
--- /dev/null
+++ b/arch/blackfin/include/asm/blackfin.h
@@ -0,0 +1,92 @@
+/*
+ * Common header file for blackfin family of processors.
+ *
+ */
+
+#ifndef _BLACKFIN_H_
+#define _BLACKFIN_H_
+
+#define LO(con32) ((con32) & 0xFFFF)
+#define lo(con32) ((con32) & 0xFFFF)
+#define HI(con32) (((con32) >> 16) & 0xFFFF)
+#define hi(con32) (((con32) >> 16) & 0xFFFF)
+
+#include <mach/anomaly.h>
+
+#ifndef __ASSEMBLY__
+
+/* SSYNC implementation for C file */
+static inline void SSYNC(void)
+{
+        int _tmp;
+        if (ANOMALY_05000312)
+                __asm__ __volatile__(
+                        "cli %0;"
+                        "nop;"
+                        "nop;"
+                        "ssync;"
+                        "sti %0;"
+                        : "=d" (_tmp)
+                );
+        else if (ANOMALY_05000244)
+                __asm__ __volatile__(
+                        "nop;"
+                        "nop;"
+                        "nop;"
+                        "ssync;"
+                );
+        else
+                __asm__ __volatile__("ssync;");
+}
+
+/* CSYNC implementation for C file */
+static inline void CSYNC(void)
+{
+        int _tmp;
+        if (ANOMALY_05000312)
+                __asm__ __volatile__(
+                        "cli %0;"
+                        "nop;"
+                        "nop;"
+                        "csync;"
+                        "sti %0;"
+                        : "=d" (_tmp)
+                );
+        else if (ANOMALY_05000244)
+                __asm__ __volatile__(
+                        "nop;"
+                        "nop;"
+                        "nop;"
+                        "csync;"
+                );
+        else
+                __asm__ __volatile__("csync;");
+}
+
+#else  /* __ASSEMBLY__ */
+
+/* SSYNC & CSYNC implementations for assembly files */
+
+#define ssync(x) SSYNC(x)
+#define csync(x) CSYNC(x)
+
+#if ANOMALY_05000312
+#define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch;
+#define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch;
+
+#elif ANOMALY_05000244
+#define SSYNC(scratch) nop; nop; nop; SSYNC;
+#define CSYNC(scratch) nop; nop; nop; CSYNC;
+
+#else
+#define SSYNC(scratch) SSYNC;
+#define CSYNC(scratch) CSYNC;
+
+#endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */
+
+#endif /* __ASSEMBLY__ */
+
+#include <mach/blackfin.h>
+#include <asm/bfin-global.h>
+
+#endif                          /* _BLACKFIN_H_ */