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nios2: implement get_ticks and get_tbclk

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* Copy over Blackfin's get_ticks and get_tbclk - they work just fine on
   Nios2.

Signed-off-by: Alex Hornung <alex@alexhornung.com>
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
This commit is contained in:
Alex Hornung 2012-02-20 07:34:48 +00:00 committed by Thomas Chou
parent 8875833a86
commit 7bd7b31574
1 changed files with 21 additions and 0 deletions
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21
arch/nios2/cpu/interrupts.c
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@ -98,6 +98,27 @@ ulong get_timer (ulong base)
return (timestamp - base);
}
/*
* This function is derived from Blackfin code (read timebase as long long).
* On Nios2 it just returns the timer value.
*/
unsigned long long get_ticks(void)
{
return get_timer(0);
}
/*
* This function is derived from Blackfin code.
* On Nios2 it returns the number of timer ticks per second.
*/
ulong get_tbclk(void)
{
ulong tbclk;
tbclk = CONFIG_SYS_HZ;
return tbclk;
}
/* The board must handle this interrupt if a timer is not
* provided.
*/