release/src-rt-6.x/linux/linux-2.6/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 #if defined(ANOMALY_05000312) && defined(ANOMALY_05000244)
  21 static inline void SSYNC (void)
  22 {
  23         int _tmp;
  24         __asm__ __volatile__ ("cli %0;\n\t"
  25                         "nop;nop;\n\t"
  26                         "ssync;\n\t"
  27                         "sti %0;\n\t"
  28                         :"=d"(_tmp):);
  29 }
  30 #elif defined(ANOMALY_05000312) && !defined(ANOMALY_05000244)
  31 static inline void SSYNC (void)
  32 {
  33         int _tmp;
  34         __asm__ __volatile__ ("cli %0;\n\t"
  35                         "ssync;\n\t"
  36                         "sti %0;\n\t"
  37                         :"=d"(_tmp):);
  38 }
  39 #elif !defined(ANOMALY_05000312) && defined(ANOMALY_05000244)
  40 static inline void SSYNC (void)
  41 {
  42         __asm__ __volatile__ ("nop; nop; nop;\n\t"
  43                         "ssync;\n\t"
  44                         ::);
  45 }
  46 #elif !defined(ANOMALY_05000312) && !defined(ANOMALY_05000244)
  47 static inline void SSYNC (void)
  48 {
  49         __asm__ __volatile__ ("ssync;\n\t");
  50 }
  51 #endif
  52
  53 /* CSYNC implementation for C file */
  54 #if defined(ANOMALY_05000312) && defined(ANOMALY_05000244)
  55 static inline void CSYNC (void)
  56 {
  57         int _tmp;
  58         __asm__ __volatile__ ("cli %0;\n\t"
  59                         "nop;nop;\n\t"
  60                         "csync;\n\t"
  61                         "sti %0;\n\t"
  62                         :"=d"(_tmp):);
  63 }
  64 #elif defined(ANOMALY_05000312) && !defined(ANOMALY_05000244)
  65 static inline void CSYNC (void)
  66 {
  67         int _tmp;
  68         __asm__ __volatile__ ("cli %0;\n\t"
  69                         "csync;\n\t"
  70                         "sti %0;\n\t"
  71                         :"=d"(_tmp):);
  72 }
  73 #elif !defined(ANOMALY_05000312) && defined(ANOMALY_05000244)
  74 static inline void CSYNC (void)
  75 {
  76         __asm__ __volatile__ ("nop; nop; nop;\n\t"
  77                         "ssync;\n\t"
  78                         ::);
  79 }
  80 #elif !defined(ANOMALY_05000312) && !defined(ANOMALY_05000244)
  81 static inline void CSYNC (void)
  82 {
  83         __asm__ __volatile__ ("csync;\n\t");
  84 }
  85 #endif
  86
  87 #else  /* __ASSEMBLY__ */
  88
  89 /* SSYNC & CSYNC implementations for assembly files */
  90
  91 #define ssync(x) SSYNC(x)
  92 #define csync(x) CSYNC(x)
  93
  94 #if defined(ANOMALY_05000312) && defined(ANOMALY_05000244)
  95 #define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch;
  96 #define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch;
  97
  98 #elif defined(ANOMALY_05000312) && !defined(ANOMALY_05000244)
  99 #define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch;
 100 #define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch;
 101
 102 #elif !defined(ANOMALY_05000312) && defined(ANOMALY_05000244)
 103 #define SSYNC(scratch) nop; nop; nop; SSYNC;
 104 #define CSYNC(scratch) nop; nop; nop; CSYNC;
 105
 106 #elif !defined(ANOMALY_05000312) && !defined(ANOMALY_05000244)
 107 #define SSYNC(scratch) SSYNC;
 108 #define CSYNC(scratch) CSYNC;
 109
 110 #endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */
 111
 112 #endif /* __ASSEMBLY__ */
 113
 114 #endif                          /* _BLACKFIN_H_ */