Blackfin arch: update ANOMALY handling

update lists for 533, 537, and add SSYNC workaround into assembly files.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

1 files changed, 31 insertions, 2 deletions

diff --git a/include/asm-blackfin/blackfin.h b/include/asm-blackfin/blackfin.h
index db3b615ffbab..25b934b7f829 100644
--- a/include/asm-blackfin/blackfin.h
+++ b/include/asm-blackfin/blackfin.h
@@ -39,7 +39,9 @@ static inline void SSYNC (void)
 #elif !defined(ANOMALY_05000312) && defined(ANOMALY_05000244)
 static inline void SSYNC (void)
 {
-        __builtin_bfin_ssync();
+        __asm__ __volatile__ ("nop; nop; nop;\n\t"
+                        "ssync;\n\t"
+                        ::);
 }
 #elif !defined(ANOMALY_05000312) && !defined(ANOMALY_05000244)
 static inline void SSYNC (void)
@@ -71,7 +73,9 @@ static inline void CSYNC (void)
 #elif !defined(ANOMALY_05000312) && defined(ANOMALY_05000244)
 static inline void CSYNC (void)
 {
-        __builtin_bfin_csync();
+        __asm__ __volatile__ ("nop; nop; nop;\n\t"
+                        "ssync;\n\t"
+                        ::);
 }
 #elif !defined(ANOMALY_05000312) && !defined(ANOMALY_05000244)
 static inline void CSYNC (void)
@@ -80,6 +84,31 @@ static inline void CSYNC (void)
 }
 #endif
 
+#else  /* __ASSEMBLY__ */
+
+/* SSYNC & CSYNC implementations for assembly files */
+
+#define ssync(x) SSYNC(x)
+#define csync(x) CSYNC(x)
+
+#if defined(ANOMALY_05000312) && defined(ANOMALY_05000244)
+#define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch;
+#define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch;
+
+#elif defined(ANOMALY_05000312) && !defined(ANOMALY_05000244)
+#define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch;
+#define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch;
+
+#elif !defined(ANOMALY_05000312) && defined(ANOMALY_05000244)
+#define SSYNC(scratch) nop; nop; nop; SSYNC;
+#define CSYNC(scratch) nop; nop; nop; CSYNC;
+
+#elif !defined(ANOMALY_05000312) && !defined(ANOMALY_05000244)
+#define SSYNC(scratch) SSYNC;
+#define CSYNC(scratch) CSYNC;
+
+#endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */
+
 #endif /* __ASSEMBLY__ */
 
 #endif                          /* _BLACKFIN_H_ */