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