diff options
Diffstat (limited to 'c/src/lib/libbsp/sparc/leon3/clock/ckinit.c')
| -rw-r--r-- | c/src/lib/libbsp/sparc/leon3/clock/ckinit.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/sparc/leon3/clock/ckinit.c b/c/src/lib/libbsp/sparc/leon3/clock/ckinit.c index e0556ba31a..695e78dfbc 100644 --- a/c/src/lib/libbsp/sparc/leon3/clock/ckinit.c +++ b/c/src/lib/libbsp/sparc/leon3/clock/ckinit.c @@ -55,6 +55,7 @@ static int clkirq; #define Adjust_clkirq_for_node() do { clkirq += LEON3_CLOCK_INDEX; } while(0) #endif +#ifndef LEON3_QEMU #define Clock_driver_support_find_timer() \ do { \ struct ambapp_dev *adev; \ @@ -71,12 +72,21 @@ static int clkirq; Adjust_clkirq_for_node(); \ } \ } while (0) +#else /* LEON3_QEMU */ +#define Clock_driver_support_find_timer() \ + do { \ + LEON3_Timer_Regs = (volatile struct gptimer_regs *) \ + 0x80000300; \ + clkirq = 6; \ + } while (0) +#endif /* LEON3_QEMU */ #define Clock_driver_support_install_isr( _new, _old ) \ do { \ _old = set_vector( _new, CLOCK_VECTOR, 1 ); \ } while(0) +#ifndef LEON3_QEMU #define Clock_driver_support_initialize_hardware() \ do { \ LEON3_Timer_Regs->timer[LEON3_CLOCK_INDEX].reload = \ @@ -86,6 +96,17 @@ static int clkirq; LEON3_GPTIMER_EN | LEON3_GPTIMER_RL | \ LEON3_GPTIMER_LD | LEON3_GPTIMER_IRQEN; \ } while (0) +#else +#define Clock_driver_support_initialize_hardware() \ + do { \ + LEON3_Timer_Regs->timer[LEON3_CLOCK_INDEX].reload = \ + 40 * (rtems_configuration_get_microseconds_per_tick() - 1); \ + \ + LEON3_Timer_Regs->timer[LEON3_CLOCK_INDEX].ctrl = \ + LEON3_GPTIMER_EN | LEON3_GPTIMER_RL | \ + LEON3_GPTIMER_LD | LEON3_GPTIMER_IRQEN; \ + } while (0) +#endif #define Clock_driver_support_shutdown_hardware() \ do { \ @@ -101,7 +122,11 @@ static uint32_t bsp_clock_nanoseconds_since_last_tick(void) if ( !LEON3_Timer_Regs ) return 0; +#ifndef LEON3_QEMU clicks = LEON3_Timer_Regs->timer[LEON3_CLOCK_INDEX].value; +#else + clicks = LEON3_Timer_Regs->timer[LEON3_CLOCK_INDEX].value / 40; +#endif if ( LEON_Is_interrupt_pending( clkirq ) ) { clicks = LEON3_Timer_Regs->timer[LEON3_CLOCK_INDEX].value; |