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authorJesper Nilsson <jesper.nilsson@axis.com>2008-10-21 17:45:58 +0200
committerJesper Nilsson <jesper.nilsson@axis.com>2008-10-29 17:29:44 +0100
commit556dcee7b829e5c350c3ffdbdb87a8b15aa3c5d3 (patch)
tree26485b0d92eedcba6c0c96d4069469041aaf7106 /arch/cris/include/arch-v32/arch/delay.h
parent242bfafc8e42da4697c1e2dea108049d14dbac4b (diff)
[CRIS] Move header files from include to arch/cris/include.
Change all users of header files to correct path. Remove some unneeded headers for arch-v32. Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Diffstat (limited to 'arch/cris/include/arch-v32/arch/delay.h')
-rw-r--r--arch/cris/include/arch-v32/arch/delay.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/cris/include/arch-v32/arch/delay.h b/arch/cris/include/arch-v32/arch/delay.h
new file mode 100644
index 000000000000..e9fda03810a9
--- /dev/null
+++ b/arch/cris/include/arch-v32/arch/delay.h
@@ -0,0 +1,28 @@
+#ifndef _ASM_CRIS_ARCH_DELAY_H
+#define _ASM_CRIS_ARCH_DELAY_H
+
+extern void cris_delay10ns(u32 n10ns);
+#define udelay(u) cris_delay10ns((u)*100)
+#define ndelay(n) cris_delay10ns(((n)+9)/10)
+
+/*
+ * Not used anymore for udelay or ndelay. Referenced by
+ * e.g. init/calibrate.c. All other references are likely bugs;
+ * should be replaced by mdelay, udelay or ndelay.
+ */
+
+static inline void
+__delay(int loops)
+{
+ __asm__ __volatile__ (
+ "move.d %0, $r9\n\t"
+ "beq 2f\n\t"
+ "subq 1, $r9\n\t"
+ "1:\n\t"
+ "bne 1b\n\t"
+ "subq 1, $r9\n"
+ "2:"
+ : : "g" (loops) : "r9");
+}
+
+#endif /* _ASM_CRIS_ARCH_DELAY_H */