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   1 /*
   2  * Common header file for blackfin family of processors.
   3  *
   4  */
   5
   6 #ifndef _BLACKFIN_H_
   7 #define _BLACKFIN_H_
   8
   9 #define LO(con32) ((con32) & 0xFFFF)
  10 #define lo(con32) ((con32) & 0xFFFF)
  11 #define HI(con32) (((con32) >> 16) & 0xFFFF)
  12 #define hi(con32) (((con32) >> 16) & 0xFFFF)
  13
  14 #include <asm/mach/anomaly.h>
  15
  16 #ifndef __ASSEMBLY__
  17
  18 /* SSYNC implementation for C file */
  19 static inline void SSYNC(void)
  20 {
  21         int _tmp;
  22         if (ANOMALY_05000312 && ANOMALY_05000244)
  23                 __asm__ __volatile__(
  24                         "cli %0;"
  25                         "nop;"
  26                         "nop;"
  27                         "ssync;"
  28                         "sti %0;"
  29                         : "=d" (_tmp)
  30                 );
  31         else if (ANOMALY_05000312 && !ANOMALY_05000244)
  32                 __asm__ __volatile__(
  33                         "cli %0;"
  34                         "ssync;"
  35                         "sti %0;"
  36                         : "=d" (_tmp)
  37                 );
  38         else if (!ANOMALY_05000312 && ANOMALY_05000244)
  39                 __asm__ __volatile__(
  40                         "nop;"
  41                         "nop;"
  42                         "nop;"
  43                         "ssync;"
  44                 );
  45         else
  46                 __asm__ __volatile__("ssync;");
  47 }
  48
  49 /* CSYNC implementation for C file */
  50 static inline void CSYNC(void)
  51 {
  52         int _tmp;
  53         if (ANOMALY_05000312 && ANOMALY_05000244)
  54                 __asm__ __volatile__(
  55                         "cli %0;"
  56                         "nop;"
  57                         "nop;"
  58                         "csync;"
  59                         "sti %0;"
  60                         : "=d" (_tmp)
  61                 );
  62         else if (ANOMALY_05000312 && !ANOMALY_05000244)
  63                 __asm__ __volatile__(
  64                         "cli %0;"
  65                         "csync;"
  66                         "sti %0;"
  67                         : "=d" (_tmp)
  68                 );
  69         else if (!ANOMALY_05000312 && ANOMALY_05000244)
  70                 __asm__ __volatile__(
  71                         "nop;"
  72                         "nop;"
  73                         "nop;"
  74                         "csync;"
  75                 );
  76         else
  77                 __asm__ __volatile__("csync;");
  78 }
  79
  80 #else  /* __ASSEMBLY__ */
  81
  82 /* SSYNC & CSYNC implementations for assembly files */
  83
  84 #define ssync(x) SSYNC(x)
  85 #define csync(x) CSYNC(x)
  86
  87 #if ANOMALY_05000312 && ANOMALY_05000244
  88 #define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch;
  89 #define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch;
  90
  91 #elif ANOMALY_05000312 && !ANOMALY_05000244
  92 #define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch;
  93 #define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch;
  94
  95 #elif !ANOMALY_05000312 && ANOMALY_05000244
  96 #define SSYNC(scratch) nop; nop; nop; SSYNC;
  97 #define CSYNC(scratch) nop; nop; nop; CSYNC;
  98
  99 #elif !ANOMALY_05000312 && !ANOMALY_05000244
 100 #define SSYNC(scratch) SSYNC;
 101 #define CSYNC(scratch) CSYNC;
 102
 103 #endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */
 104
 105 #endif /* __ASSEMBLY__ */
 106
 107 #include <asm/mach/blackfin.h>
 108 #include <asm/bfin-global.h>
 109
 110 #endif                          /* _BLACKFIN_H_ */