diff options
Diffstat (limited to 'c/src/lib/libbsp/sparc/leon3/timer/timer.c')
| -rw-r--r-- | c/src/lib/libbsp/sparc/leon3/timer/timer.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/c/src/lib/libbsp/sparc/leon3/timer/timer.c b/c/src/lib/libbsp/sparc/leon3/timer/timer.c index 04ff40d5aa..d9a0f8b6b3 100644 --- a/c/src/lib/libbsp/sparc/leon3/timer/timer.c +++ b/c/src/lib/libbsp/sparc/leon3/timer/timer.c @@ -22,28 +22,33 @@ #include <bsp.h> +extern rtems_configuration_table Configuration; + +#define LEON3_TIMER_INDEX \ + (Configuration.User_multiprocessing_table ? \ + (Configuration.User_multiprocessing_table)->maximum_nodes + \ + (Configuration.User_multiprocessing_table)->node - 1 : 1) + rtems_boolean Timer_driver_Find_average_overhead; rtems_boolean Timer_driver_Is_initialized = FALSE; extern volatile LEON3_Timer_Regs_Map *LEON3_Timer_Regs; - void Timer_initialize() { - /* * Timer runs long and accurate enough not to require an interrupt. */ if (LEON3_Timer_Regs) { if ( Timer_driver_Is_initialized == FALSE ) { /* approximately 1 us per countdown */ - LEON3_Timer_Regs->reload_t1 = 0xffffff; - LEON3_Timer_Regs->value_t1 = 0xffffff; + LEON3_Timer_Regs->timer[LEON3_TIMER_INDEX].reload = 0xffffff; + LEON3_Timer_Regs->timer[LEON3_TIMER_INDEX].value = 0xffffff; } else { Timer_driver_Is_initialized = TRUE; } - LEON3_Timer_Regs->conf_t1 = LEON3_GPTIMER_EN | LEON3_GPTIMER_LD; + LEON3_Timer_Regs->timer[LEON3_TIMER_INDEX].conf = LEON3_GPTIMER_EN | LEON3_GPTIMER_LD; } } @@ -53,10 +58,10 @@ void Timer_initialize() int Read_timer() { - uint32_t total; + rtems_unsigned32 total; if (LEON3_Timer_Regs) { - total = LEON3_Timer_Regs->value_t1; + total = LEON3_Timer_Regs->timer[LEON3_TIMER_INDEX].value; total = 0xffffff - total; @@ -65,7 +70,7 @@ int Read_timer() if ( total < LEAST_VALID ) return 0; /* below timer resolution */ - + return total - AVG_OVERHEAD; } return 0; |