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imx: Add get_tbclk() function for imx25 

Need this function for autoboot keyd

Signed-off-by: Matthias Weisser <weisserm@arcor.de>
This commit is contained in:
Matthias Weisser 2011-07-06 00:28:28 +00:00 committed by Albert ARIBAUD
parent 81d668ea90
commit a7f39e7c22
1 changed files with 12 additions and 0 deletions
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12
arch/arm/cpu/arm926ejs/mx25/timer.c
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@ -187,3 +187,15 @@ void __udelay (unsigned long usec)
while (get_ticks() < tmp) /* loop till event */
/*NOP*/;
}
/*
* This function is derived from PowerPC code (timebase clock frequency).
* On ARM it returns the number of timer ticks per second.
*/
ulong get_tbclk(void)
{
ulong tbclk;
tbclk = CONFIG_MX25_CLK32;
return tbclk;
}