include/asm-blackfin/blackfin.h

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