diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
| commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
| tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /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.h | 88 |
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_ */ |