[src/trunk]: src/sys/arch/arm/imx add bit definitions for i.MX51 EPIT

[bsh <bsh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/71cfca95c6e6
branches:  trunk
changeset: 778851:71cfca95c6e6
user:      bsh <bsh%NetBSD.org@localhost>
date:      Tue Apr 17 09:12:08 2012 +0000

description:
add bit definitions for i.MX51 EPIT

diffstat:

 sys/arch/arm/imx/imxepitreg.h |  14 +++++++++-----
 1 files changed, 9 insertions(+), 5 deletions(-)

diffs (31 lines):

diff -r af4da3fcb17e -r 71cfca95c6e6 sys/arch/arm/imx/imxepitreg.h
--- a/sys/arch/arm/imx/imxepitreg.h     Tue Apr 17 08:28:20 2012 +0000
+++ b/sys/arch/arm/imx/imxepitreg.h     Tue Apr 17 09:12:08 2012 +0000
@@ -1,6 +1,6 @@
-/*     $NetBSD: imxepitreg.h,v 1.1 2010/11/13 06:51:37 bsh Exp $ */
+/*     $NetBSD: imxepitreg.h,v 1.2 2012/04/17 09:12:08 bsh Exp $ */
 /*
- * Copyright (c) 2009, 2010  Genetec corp.  All rights reserved.
+ * Copyright (c) 2009, 2010, 2012  Genetec corp.  All rights reserved.
  * Written by Hashimoto Kenichi for Genetec corp.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,11 +37,15 @@
 #define         EPITCR_IOVW    __BIT(17)
 #define         EPITCR_DBGEN   __BIT(18)
 #define         EPITCR_WAITEN  __BIT(19)
-#define         EPITCR_DOZEN   __BIT(20)
+#define         EPITCR_DOZEN   __BIT(20)       /* not in iMX51 */
 #define         EPITCR_STOPEN  __BIT(21)
 #define         EPITCR_OM      __BITS(22,23)
-#define         EPITCR_CLKSRC_MASK     __BITS(24,25)
-#define         EPITCR_CLKSRC_HIGH     (0x2 << 24)
+#define         EPITCR_CLKSRC_SHIFT    24
+#define         EPITCR_CLKSRC_MASK     __BITS(25, EPITCR_CLKSRC_SHIFT)
+#define         EPITCR_CLKSRC_IPG      (1 << EPITCR_CLKSRC_SHIFT)
+#define         EPITCR_CLKSRC_IPGHIGH  (2 << EPITCR_CLKSRC_SHIFT)
+#define         EPITCR_CLKSRC_IPG32K   (3 << EPITCR_CLKSRC_SHIFT)
+#define         EPITCR_CLKSRC_HIGH     (2 << EPITCR_CLKSRC_SHIFT)
 
 #define        EPIT_EPITSR     0x0004
 #define        EPIT_EPITLR     0x0008