Kinetis MCG, CRC, and OSC header files

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3860 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 84 insertions, 0 deletions

diff --git a/nuttx/arch/arm/src/kinetis/kinetis_osc.h b/nuttx/arch/arm/src/kinetis/kinetis_osc.h
new file mode 100644
index 000000000..fef1e0ae7
--- /dev/null
+++ b/nuttx/arch/arm/src/kinetis/kinetis_osc.h
@@ -0,0 +1,84 @@
+/********************************************************************************************
+ * arch/arm/src/kinetis/kinetis_osc.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_OSC_H
+#define __ARCH_ARM_SRC_KINETIS_KINETIS_OSC_H
+
+/********************************************************************************************
+ * Included Files
+ ********************************************************************************************/
+
+#include <nuttx/config.h>
+
+#include "chip.h"
+
+/********************************************************************************************
+ * Pre-processor Definitions
+ ********************************************************************************************/
+
+/* Register Offsets *************************************************************************/
+
+#define KINETIS_OSC_CR_OFFSET  0x0000 /* OSC Control Register */
+
+/* Register Addresses ***********************************************************************/
+
+#define KINETIS_OSC_CR         (KINETIS_OSC_BASE+KINETIS_OSC_CR_OFFSET)
+
+/* Register Bit Definitions *****************************************************************/
+
+/* OSC Control Register (8-bit) */
+
+#define OSC_CR_ERCLKEN         (1 << 7)  /* Bit 7:  External Reference Enable */
+                                         /* Bit 6:  Reserved */
+#define OSC_CR_EREFSTEN        (1 << 5)  /* Bit 5:  External Reference Stop Enable */
+                                         /* Bit 4:  Reserved */
+#define OSC_CR_SC2P            (1 << 3)  /* Bit 3:  Oscillator 2 pF Capacitor Load Configure */
+#define OSC_CR_SC4P            (1 << 2)  /* Bit 2:  Oscillator 4 pF Capacitor Load Configure */
+#define OSC_CR_SC8P            (1 << 1)  /* Bit 1:  Oscillator 8 pF Capacitor Load Configure */
+#define OSC_CR_SC16P           (1 << 0)  /* Bit 0:  Oscillator 16 pF Capacitor Load Configure */
+
+/********************************************************************************************
+ * Public Types
+ ********************************************************************************************/
+
+/********************************************************************************************
+ * Public Data
+ ********************************************************************************************/
+
+/********************************************************************************************
+ * Public Functions
+ ********************************************************************************************/
+
+#endif /* __ARCH_ARM_SRC_KINETIS_KINETIS_OSC_H */