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HEAD
initialize timer
[rpikern]
/
src
/
timer.c
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#include "timer.h"
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#include "rpi_ioreg.h"
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#include "intr.h"
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volatile unsigned long num_ticks;
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void timer_init(void)
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{
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/* clear all 4 timer interrupt bits */
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STM_CTL_REG = 0xf;
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/* setup first timer interrupt */
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STM_CMP1_REG = STM_LCNT_REG + 4000;
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enable_gpu_irq(IRQ_GPU_TIMER1);
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}