• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 #ifndef _ASM_CRIS_ARCH_DELAY_H
2 #define _ASM_CRIS_ARCH_DELAY_H
3 
4 extern void cris_delay10ns(u32 n10ns);
5 #define udelay(u) cris_delay10ns((u)*100)
6 #define ndelay(n) cris_delay10ns(((n)+9)/10)
7 
8 /*
9  * Not used anymore for udelay or ndelay.  Referenced by
10  * e.g. init/calibrate.c.  All other references are likely bugs;
11  * should be replaced by mdelay, udelay or ndelay.
12  */
13 
14 static inline void
__delay(int loops)15 __delay(int loops)
16 {
17 	__asm__ __volatile__ (
18 		"move.d %0, $r9\n\t"
19 		"beq 2f\n\t"
20 		"subq 1, $r9\n\t"
21 		"1:\n\t"
22 		"bne 1b\n\t"
23 		"subq 1, $r9\n"
24 		"2:"
25 		: : "g" (loops) : "r9");
26 }
27 
28 #endif /* _ASM_CRIS_ARCH_DELAY_H */
29