0dcb28180d
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4148 42af7a65-404d-4744-a932-0658087f49c3
105 lines
3.7 KiB
C
105 lines
3.7 KiB
C
/****************************************************************************************************
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* arch/arm/src/stm32/stm32_syscfg.h
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*
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* Copyright (C) 2011 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_STM32_STM32_SYSCFG_H
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#define __ARCH_ARM_SRC_STM32_STM32_SYSCFG_H
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/****************************************************************************************************
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* Included Files
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****************************************************************************************************/
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#include <nuttx/config.h>
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#include "chip.h"
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#ifdef CONFIG_STM32_STM32F40XX
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# include "chip/stm32_syscfg.h"
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/****************************************************************************************************
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* Pre-processor Definitions
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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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* Name: stm32_selectmii
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*
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* Description:
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* Selects the MII inteface.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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************************************************************************************/
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static inline void stm32_selectmii(void)
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{
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uint32_t regval;
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regval = getreg32(STM32_SYSCFG_PMC);
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regval &= ~SYSCFG_PMC_MII_RMII_SEL;
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putreg32(regval, STM32_SYSCFG_PMC);
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}
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/************************************************************************************
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* Name: stm32_selectrmii
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*
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* Description:
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* Selects the RMII inteface.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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************************************************************************************/
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static inline void stm32_selectrmii(void)
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{
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uint32_t regval;
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regval = getreg32(STM32_SYSCFG_PMC);
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regval |= SYSCFG_PMC_MII_RMII_SEL;
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putreg32(regval, STM32_SYSCFG_PMC);
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}
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#endif /* CONFIG_STM32_STM32F40XX */
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#endif /* __ARCH_ARM_SRC_STM32_STM32_SYSCFG_H */
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