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#include <symbols.h>
#include <sys/core.h>
// CCNT - Cycle Timer (Close to ns resolution)
void routing_core0cntv_to_core0fiq(void)
{
store32(0x80, CORE0_TIMER_IRQCNTL);
}
void routing_core0cntv_to_core0irq(void)
{
store32(0x08, CORE0_TIMER_IRQCNTL);
}
unsigned long read_core0timer_pending(void)
{
unsigned long tmp;
tmp = load32(CORE0_IRQ_SOURCE);
return tmp;
}
unsigned long long read_cntvct(void)
{
unsigned long long val;
asm volatile("mrrc p15, 1, %Q0, %R0, c14" : "=r" (val));
return (val);
}
unsigned long long read_cntvoff(void)
{
unsigned long long val;
asm volatile("mrrc p15, 4, %Q0, %R0, c14" : "=r" (val));
return (val);
}
unsigned long read_cntv_tval(void)
{
unsigned long val;
asm volatile ("mrc p15, 0, %0, c14, c3, 0" : "=r"(val) );
return val;
}
void write_cntv_tval(unsigned long val)
{
asm volatile ("mcr p15, 0, %0, c14, c3, 0" :: "r"(val) );
return;
}
unsigned long read_cntfrq(void)
{
unsigned long val;
asm volatile ("mrc p15, 0, %0, c14, c0, 0" : "=r"(val) );
return val;
}
unsigned long long get_time(void)
{
union {
unsigned long long tval;
struct {
unsigned long high;
unsigned long low;
} tvalb;
} t;
t.tvalb.low = *(unsigned long*)SYS_TIMER_CLO;
t.tvalb.high = *(unsigned long*)SYS_TIMER_CHI;
return t.tval;
}
void wait_msec(unsigned int n)
{
unsigned long start = *(volatile unsigned long*)SYS_TIMER_CHI;
while (*(volatile unsigned long*)SYS_TIMER_CHI - start < n)
asm volatile("nop");
}
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