arch/blackfin/include/asm/blackfin.h

   1 /*
   2  * Common header file for Blackfin family of processors.
   3  *
   4  * Copyright 2004-2009 Analog Devices Inc.
   5  *
   6  * Licensed under the GPL-2 or later.
   7  */
   8
   9 #ifndef _BLACKFIN_H_
  10 #define _BLACKFIN_H_
  11
  12 #include <mach/anomaly.h>
  13
  14 #ifndef __ASSEMBLY__
  15
  16 /* SSYNC implementation for C file */
  17 static inline void SSYNC(void)
  18 {
  19         int _tmp;
  20         if (ANOMALY_05000312 || ANOMALY_05000244)
  21                 __asm__ __volatile__(
  22                         "cli %0;"
  23                         "nop;"
  24                         "nop;"
  25                         "nop;"
  26                         "ssync;"
  27                         "sti %0;"
  28                         : "=d" (_tmp)
  29                 );
  30         else
  31                 __asm__ __volatile__("ssync;");
  32 }
  33
  34 /* CSYNC implementation for C file */
  35 static inline void CSYNC(void)
  36 {
  37         int _tmp;
  38         if (ANOMALY_05000312 || ANOMALY_05000244)
  39                 __asm__ __volatile__(
  40                         "cli %0;"
  41                         "nop;"
  42                         "nop;"
  43                         "nop;"
  44                         "csync;"
  45                         "sti %0;"
  46                         : "=d" (_tmp)
  47                 );
  48         else
  49                 __asm__ __volatile__("csync;");
  50 }
  51
  52 #else  /* __ASSEMBLY__ */
  53
  54 #define LO(con32) ((con32) & 0xFFFF)
  55 #define lo(con32) ((con32) & 0xFFFF)
  56 #define HI(con32) (((con32) >> 16) & 0xFFFF)
  57 #define hi(con32) (((con32) >> 16) & 0xFFFF)
  58
  59 /* SSYNC & CSYNC implementations for assembly files */
  60
  61 #define ssync(x) SSYNC(x)
  62 #define csync(x) CSYNC(x)
  63
  64 #if ANOMALY_05000312 || ANOMALY_05000244
  65 #define SSYNC(scratch)  \
  66         cli scratch;    \
  67         nop; nop; nop;  \
  68         SSYNC;          \
  69         sti scratch;
  70
  71 #define CSYNC(scratch)  \
  72         cli scratch;    \
  73         nop; nop; nop;  \
  74         CSYNC;          \
  75         sti scratch;
  76
  77 #else
  78 #define SSYNC(scratch) SSYNC;
  79 #define CSYNC(scratch) CSYNC;
  80 #endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */
  81
  82 #endif /* __ASSEMBLY__ */
  83
  84 #include <asm/mem_map.h>
  85 #include <mach/blackfin.h>
  86 #include <asm/bfin-global.h>
  87
  88 #endif                          /* _BLACKFIN_H_ */