diff options
Diffstat (limited to 'cpukit/score/cpu/powerpc/rtems/powerpc/registers.h')
| -rw-r--r-- | cpukit/score/cpu/powerpc/rtems/powerpc/registers.h | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/cpukit/score/cpu/powerpc/rtems/powerpc/registers.h b/cpukit/score/cpu/powerpc/rtems/powerpc/registers.h index 38a4b2bf37..63c11c8541 100644 --- a/cpukit/score/cpu/powerpc/rtems/powerpc/registers.h +++ b/cpukit/score/cpu/powerpc/rtems/powerpc/registers.h @@ -343,33 +343,6 @@ static inline void PPC_Set_timebase_register (uint64_t tbr) /* end of ISR handler macros */ -/* - * Simple spin delay in microsecond units for device drivers. - * This is very dependent on the clock speed of the target. - */ - -#define CPU_Get_timebase_low( _value ) \ - asm volatile( "mftb %0" : "=r" (_value) ) - -#define rtems_bsp_delay( _microseconds ) \ - do { \ - uint32_t start, ticks, now; \ - CPU_Get_timebase_low( start ) ; \ - ticks = (_microseconds) * rtems_cpu_configuration_get_clicks_per_usec(); \ - do \ - CPU_Get_timebase_low( now ) ; \ - while (now - start < ticks); \ - } while (0) - -#define rtems_bsp_delay_in_bus_cycles( _cycles ) \ - do { \ - uint32_t start, now; \ - CPU_Get_timebase_low( start ); \ - do \ - CPU_Get_timebase_low( now ); \ - while (now - start < (_cycles)); \ - } while (0) - #define PPC_Set_decrementer( _clicks ) \ do { \ asm volatile( "mtdec %0" : : "r" ((_clicks)) ); \ |