From deae26bf6a10e47983606f5df080b91e97650ead Mon Sep 17 00:00:00 2001
From: Kyle McMartin
Date: Mon, 28 Jul 2008 23:02:13 -0400
Subject: parisc: move include/asm-parisc to arch/parisc/include/asm

---
 arch/parisc/include/asm/delay.h | 43 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 arch/parisc/include/asm/delay.h

(limited to 'arch/parisc/include/asm/delay.h')

diff --git a/arch/parisc/include/asm/delay.h b/arch/parisc/include/asm/delay.h
new file mode 100644
index 000000000000..7a75e984674b
--- /dev/null
+++ b/arch/parisc/include/asm/delay.h
@@ -0,0 +1,43 @@
+#ifndef _PARISC_DELAY_H
+#define _PARISC_DELAY_H
+
+#include <asm/system.h>    /* for mfctl() */
+#include <asm/processor.h> /* for boot_cpu_data */
+
+
+/*
+ * Copyright (C) 1993 Linus Torvalds
+ *
+ * Delay routines
+ */
+
+static __inline__ void __delay(unsigned long loops) {
+	asm volatile(
+	"	.balignl	64,0x34000034\n"
+	"	addib,UV -1,%0,.\n"
+	"	nop\n"
+		: "=r" (loops) : "0" (loops));
+}
+
+static __inline__ void __cr16_delay(unsigned long clocks) {
+	unsigned long start;
+
+	/*
+	 * Note: Due to unsigned math, cr16 rollovers shouldn't be
+	 * a problem here. However, on 32 bit, we need to make sure
+	 * we don't pass in too big a value. The current default
+	 * value of MAX_UDELAY_MS should help prevent this.
+	 */
+
+	start = mfctl(16);
+	while ((mfctl(16) - start) < clocks)
+	    ;
+}
+
+static __inline__ void __udelay(unsigned long usecs) {
+	__cr16_delay(usecs * ((unsigned long)boot_cpu_data.cpu_hz / 1000000UL));
+}
+
+#define udelay(n) __udelay(n)
+
+#endif /* defined(_PARISC_DELAY_H) */
-- 
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