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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/blackfin/include/asm/blackfin.h
Initial import
Diffstat (limited to 'arch/blackfin/include/asm/blackfin.h')
-rw-r--r--arch/blackfin/include/asm/blackfin.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/blackfin.h b/arch/blackfin/include/asm/blackfin.h
new file mode 100644
index 000000000..f111f366d
--- /dev/null
+++ b/arch/blackfin/include/asm/blackfin.h
@@ -0,0 +1,88 @@
+/*
+ * Common header file for Blackfin family of processors.
+ *
+ * Copyright 2004-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _BLACKFIN_H_
+#define _BLACKFIN_H_
+
+#include <mach/anomaly.h>
+
+#ifndef __ASSEMBLY__
+
+/* SSYNC implementation for C file */
+static inline void SSYNC(void)
+{
+ int _tmp;
+ if (ANOMALY_05000312 || ANOMALY_05000244)
+ __asm__ __volatile__(
+ "cli %0;"
+ "nop;"
+ "nop;"
+ "nop;"
+ "ssync;"
+ "sti %0;"
+ : "=d" (_tmp)
+ );
+ else
+ __asm__ __volatile__("ssync;");
+}
+
+/* CSYNC implementation for C file */
+static inline void CSYNC(void)
+{
+ int _tmp;
+ if (ANOMALY_05000312 || ANOMALY_05000244)
+ __asm__ __volatile__(
+ "cli %0;"
+ "nop;"
+ "nop;"
+ "nop;"
+ "csync;"
+ "sti %0;"
+ : "=d" (_tmp)
+ );
+ else
+ __asm__ __volatile__("csync;");
+}
+
+#else /* __ASSEMBLY__ */
+
+#define LO(con32) ((con32) & 0xFFFF)
+#define lo(con32) ((con32) & 0xFFFF)
+#define HI(con32) (((con32) >> 16) & 0xFFFF)
+#define hi(con32) (((con32) >> 16) & 0xFFFF)
+
+/* SSYNC & CSYNC implementations for assembly files */
+
+#define ssync(x) SSYNC(x)
+#define csync(x) CSYNC(x)
+
+#if ANOMALY_05000312 || ANOMALY_05000244
+#define SSYNC(scratch) \
+ cli scratch; \
+ nop; nop; nop; \
+ SSYNC; \
+ sti scratch;
+
+#define CSYNC(scratch) \
+ cli scratch; \
+ nop; nop; nop; \
+ CSYNC; \
+ sti scratch;
+
+#else
+#define SSYNC(scratch) SSYNC;
+#define CSYNC(scratch) CSYNC;
+#endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */
+
+#endif /* __ASSEMBLY__ */
+
+#include <asm/mem_map.h>
+#include <mach/blackfin.h>
+#include <asm/bfin-global.h>
+
+#endif /* _BLACKFIN_H_ */