extern void
socle_scu_show_system_info (void)
{
socle_scu_apb_clock_get();
SCUMSG("CPU = %d MHz , HCLCK = %d MHz ",
socle_clock.cpu_clock/1000000, socle_clock.ahb_clock/1000000);
if(socle_scu_sdram_bus_width_status() == SOCLE_SCU_SDRAM_BUS_WIDTH_32)
SCUMSG("(32bit SDR) \n");
else
SCUMSG("(16bit SDR) \n");
return ;
}
/*
* Set up timer interrupt, and return the current time in seconds.
*/
void __init socle_init_timer(void)
{
struct timespec tv;
volatile TimerStruct_t *timer0 = (volatile TimerStruct_t *)TIMER0_VA_BASE;
volatile TimerStruct_t *timer1 = (volatile TimerStruct_t *)TIMER1_VA_BASE;
volatile TimerStruct_t *timer2 = (volatile TimerStruct_t *)TIMER2_VA_BASE;
xtime.tv_nsec = 0;
xtime.tv_sec = 0;
tv.tv_nsec = 0;
tv.tv_sec = 0;
/*
* Initialise to a known state (all timers off)
*/
timer0->TimerControl = 0;
timer1->TimerControl = 0;
timer2->TimerControl = 0;
#ifdef CALCULATE_CPU_FREQ
apb_clock = socle_scu_apb_clock_get();
socle_scu_show_system_info();
TIMER_RELOAD=apb_clock/HZ;
#endif
timer1->TimerLoad = TIMER_RELOAD;
tick_usec = TICKS2USECS(TIMER_RELOAD);
/*
* Make irqs happen for the system timer
*/
do_settimeofday(&tv);
timer1->TimerControl = 0x182; /* periodic + IE ; prescale factor=1*/
setup_irq(IRQ_TIMER1, &socle_timer_irq);
}
