diff options
| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2001-05-22 23:07:09 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2001-05-22 23:07:09 +0000 |
| commit | a355e3ea982d7bb8a8cb5a67f810c66cbfc78330 (patch) | |
| tree | c6400f1b326f859d8bc027ce12e8a5bb78c953cc /c/src/lib/libbsp/mips/genmongoosev/clock/clockdrv.c | |
| parent | 2001-05-22 Greg Menke <gregory.menke@gsfc.nasa.gov> (diff) | |
| download | rtems-a355e3ea982d7bb8a8cb5a67f810c66cbfc78330.tar.bz2 | |
2001-05-22 Greg Menke <gregory.menke@gsfc.nasa.gov>
* Assisted in design and debug by Joel Sherrill <joel@OARcorp.com>.
* clock/clockdrv.c, console/conscfg.c: Corrected.
* include/bsp.h: Support for tm27 and addition of CPU_CLOCK_RATE.
* startup/bspstart.c: Properly set initial status register and
pending interrupts.
* timer/timer.c: Works now.
Diffstat (limited to 'c/src/lib/libbsp/mips/genmongoosev/clock/clockdrv.c')
| -rw-r--r-- | c/src/lib/libbsp/mips/genmongoosev/clock/clockdrv.c | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/c/src/lib/libbsp/mips/genmongoosev/clock/clockdrv.c b/c/src/lib/libbsp/mips/genmongoosev/clock/clockdrv.c index e948b7ee4f..7d47945864 100644 --- a/c/src/lib/libbsp/mips/genmongoosev/clock/clockdrv.c +++ b/c/src/lib/libbsp/mips/genmongoosev/clock/clockdrv.c @@ -23,14 +23,16 @@ #define CLOCK_VECTOR MONGOOSEV_IRQ_TIMER1 #endif + + /* reset Timeout (TO) bit */ + #define Clock_driver_support_at_tick() \ - MONGOOSEV_WRITE_REGISTER( \ - CLOCK_BASE, \ - MONGOOSEV_TIMER_CONTROL_REGISTER, \ - (MONGOOSEV_TIMER_CONTROL_COUNTER_ENABLE | \ - MONGOOSEV_TIMER_CONTROL_INTERRUPT_ENABLE) \ - ); + do { \ + MONGOOSEV_WRITE_REGISTER( CLOCK_BASE, MONGOOSEV_TIMER_CONTROL_REGISTER, \ + (MONGOOSEV_TIMER_CONTROL_COUNTER_ENABLE | MONGOOSEV_TIMER_CONTROL_INTERRUPT_ENABLE)); \ + } while(0) + #define Clock_driver_support_install_isr( _new, _old ) \ do { \ @@ -38,20 +40,12 @@ } while(0) -extern int ClockRate; - -#define CLICKS (((unsigned32) &ClockRate) / 1000000 ) #define Clock_driver_support_initialize_hardware() \ - do { \ - unsigned32 _clicks; \ - _clicks = CLICKS * rtems_configuration_get_microseconds_per_tick(); \ - MONGOOSEV_WRITE_REGISTER( \ - CLOCK_BASE, \ - MONGOOSEV_TIMER_INITIAL_COUNTER_REGISTER, \ - _clicks \ - ); \ + do { \ + unsigned32 _clicks = CPU_CLOCK_RATE_MHZ * rtems_configuration_get_microseconds_per_tick(); \ + MONGOOSEV_WRITE_REGISTER( CLOCK_BASE, MONGOOSEV_TIMER_INITIAL_COUNTER_REGISTER, _clicks ); \ Clock_driver_support_at_tick(); \ - } while(0) + } while(0) #define Clock_driver_support_shutdown_hardware() \ MONGOOSEV_WRITE_REGISTER( CLOCK_BASE, MONGOOSEV_TIMER_CONTROL_REGISTER, 0 ) |