Add Kinetis watchdog header files

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3859 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 90 insertions, 0 deletions

diff --git a/nuttx/arch/arm/src/kinetis/kinetis_ewm.h b/nuttx/arch/arm/src/kinetis/kinetis_ewm.h
new file mode 100644
index 000000000..4e6113e81
--- /dev/null
+++ b/nuttx/arch/arm/src/kinetis/kinetis_ewm.h
@@ -0,0 +1,90 @@
+/************************************************************************************
+ * arch/arm/src/kinetis/kinetis_ewm.h
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+#ifndef __ARCH_ARM_SRC_KINETIS_KINETIS_EWM_H
+#define __ARCH_ARM_SRC_KINETIS_KINETIS_EWM_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+#include "chip.h"
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/* Register Offsets *****************************************************************/
+
+#define KINETIS_EWM_CTRL_OFFSET    0x0000 /* Control Register */
+#define KINETIS_EWM_SERV_OFFSET    0x0001 /* Service Register */
+#define KINETIS_EWM_CMPL_OFFSET    0x0002 /* Compare Low Register */
+#define KINETIS_EWM_CMPH_OFFSET    0x0003 /* Compare High Register */
+
+/* Register Addresses ***************************************************************/
+
+#define KINETIS_EWM_CTRL           (KINETIS_EWM_BASE+KINETIS_EWM_CTRL_OFFSET)
+#define KINETIS_EWM_SERV           (KINETIS_EWM_BASE+KINETIS_EWM_SERV_OFFSET)
+#define KINETIS_EWM_CMPL           (KINETIS_EWM_BASE+KINETIS_EWM_CMPL_OFFSET)
+#define KINETIS_EWM_CMPH           (KINETIS_EWM_BASE+KINETIS_EWM_CMPH_OFFSET)
+
+/* Register Bit Definitions *********************************************************/
+
+/* Control Register (8-bit) */
+
+#define EWM_CTRL_EWMEN             (1 << 0)  /* Bit 0:  EWM enable */
+#define EWM_CTRL_ASSIN             (1 << 2)  /* Bit 1:  EWM_in's Assertion State Select */
+#define EWM_CTRL_INEN              (1 << 3)  /* Bit 2:  Input Enable */
+                                             /* Bits 7–3: Reserved */
+
+/* Service Register (8-bit values:  0xb4 followed by 0x2c) */
+/* Compare Low Register (8-bit compare low value) */
+/* Compare High Register (8-bit compare high value) */
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+#endif /* __ARCH_ARM_SRC_KINETIS_KINETIS_EWM_H */