28 lines
610 B
C
28 lines
610 B
C
#ifndef _ASM_CRIS_ARCH_DELAY_H
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#define _ASM_CRIS_ARCH_DELAY_H
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extern void cris_delay10ns(u32 n10ns);
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#define udelay(u) cris_delay10ns((u)*100)
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#define ndelay(n) cris_delay10ns(((n)+9)/10)
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/*
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* Not used anymore for udelay or ndelay. Referenced by
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* e.g. init/calibrate.c. All other references are likely bugs;
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* should be replaced by mdelay, udelay or ndelay.
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*/
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static inline void
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__delay(int loops)
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{
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__asm__ __volatile__ (
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"move.d %0, $r9\n\t"
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"beq 2f\n\t"
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"subq 1, $r9\n\t"
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"1:\n\t"
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"bne 1b\n\t"
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"subq 1, $r9\n"
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"2:"
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: : "g" (loops) : "r9");
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}
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#endif /* _ASM_CRIS_ARCH_DELAY_H */
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