1 files changed, 35 insertions, 0 deletions

diff --git a/include/asm-sparc/delay.h b/include/asm-sparc/delay.h
new file mode 100644
index 000000000000..6edf2cbb246b
--- /dev/null
+++ b/include/asm-sparc/delay.h
@@ -0,0 +1,35 @@
+/* $Id: delay.h,v 1.11 2001/01/01 01:46:15 davem Exp $
+ * delay.h: Linux delay routines on the Sparc.
+ *
+ * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu).
+ */
+
+#ifndef __SPARC_DELAY_H
+#define __SPARC_DELAY_H
+
+#include <linux/config.h>
+#include <asm/cpudata.h>
+
+extern __inline__ void __delay(unsigned long loops)
+{
+        __asm__ __volatile__("cmp %0, 0\n\t"
+                             "1: bne 1b\n\t"
+                             "subcc %0, 1, %0\n" :
+                             "=&r" (loops) :
+                             "0" (loops) :
+                             "cc");
+}
+
+/* This is too messy with inline asm on the Sparc. */
+extern void __udelay(unsigned long usecs, unsigned long lpj);
+extern void __ndelay(unsigned long nsecs, unsigned long lpj);
+
+#ifdef CONFIG_SMP
+#define __udelay_val    cpu_data(smp_processor_id()).udelay_val
+#else /* SMP */
+#define __udelay_val    loops_per_jiffy
+#endif /* SMP */
+#define udelay(__usecs) __udelay(__usecs, __udelay_val)
+#define ndelay(__nsecs) __ndelay(__nsecs, __udelay_val)
+
+#endif /* defined(__SPARC_DELAY_H) */