rt-thread/bsp/frdm-k64f/device/MK64F12/fsl_rcm.c

66 lines
2.7 KiB
C

/*
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* Copyright 2016-2017 NXP
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of the copyright holder 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 HOLDER 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.
*/
#include "fsl_rcm.h"
void RCM_ConfigureResetPinFilter(RCM_Type *base, const rcm_reset_pin_filter_config_t *config)
{
assert(config);
#if (defined(FSL_FEATURE_RCM_REG_WIDTH) && (FSL_FEATURE_RCM_REG_WIDTH == 32))
uint32_t reg;
reg = (((uint32_t)config->enableFilterInStop << RCM_RPC_RSTFLTSS_SHIFT) | (uint32_t)config->filterInRunWait);
if (config->filterInRunWait == kRCM_FilterBusClock)
{
reg |= ((uint32_t)config->busClockFilterCount << RCM_RPC_RSTFLTSEL_SHIFT);
}
base->RPC = reg;
#else
base->RPFC = ((uint8_t)(config->enableFilterInStop << RCM_RPFC_RSTFLTSS_SHIFT) | (uint8_t)config->filterInRunWait);
if (config->filterInRunWait == kRCM_FilterBusClock)
{
base->RPFW = config->busClockFilterCount;
}
#endif /* FSL_FEATURE_RCM_REG_WIDTH */
}
#if (defined(FSL_FEATURE_RCM_HAS_BOOTROM) && FSL_FEATURE_RCM_HAS_BOOTROM)
void RCM_SetForceBootRomSource(RCM_Type *base, rcm_boot_rom_config_t config)
{
uint32_t reg;
reg = base->FM;
reg &= ~RCM_FM_FORCEROM_MASK;
reg |= ((uint32_t)config << RCM_FM_FORCEROM_SHIFT);
base->FM = reg;
}
#endif /* #if FSL_FEATURE_RCM_HAS_BOOTROM */