7a9457bb07
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5145 42af7a65-404d-4744-a932-0658087f49c3
73 lines
3.4 KiB
C
73 lines
3.4 KiB
C
/************************************************************************************
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* arch/arm/src/lpc214x/lpc214x_apb.h
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*
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* Copyright (C) 2008 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef _ARCH_ARM_SRC_LPC214X_APB_H
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#define _ARCH_ARM_SRC_LPC214X_APB_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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/************************************************************************************
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* Definitions
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************************************************************************************/
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/* Register address definitions *****************************************************/
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#define LPC214X_APB_APBDIV (0xe01fc100) /* 8-bit R/W APB divider register */
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/* Register bit definitions *********************************************************/
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/* APB divider register */
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#define LPC214X_APBDIV_MASK (0x03) /* Bit 0:1: APB divider value */
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#define LPC214X_APBDIV_DIV4 (0x00) /* Bit 0:1=00: APB=PCLK/4 */
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#define LPC214X_APBDIV_DIV1 (0x01) /* Bit 0:1=01: APB=PCLK */
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#define LPC214X_APBDIV_DIV2 (0x02) /* Bit 0:1=10: APB=PCLK/2 */
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/************************************************************************************
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* Public Types
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************************************************************************************/
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/************************************************************************************
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* Inline Functions
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************************************************************************************/
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/************************************************************************************
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* Public Function Prototypes
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************************************************************************************/
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#endif /* _ARCH_ARM_SRC_LPC214X_APB_H */
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