81 lines
3.2 KiB
C
81 lines
3.2 KiB
C
/******************************************************************************
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* Filename: pwr_ctrl.c
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* Revised: 2020-02-14 11:30:20 +0100 (Fri, 14 Feb 2020)
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* Revision: 56760
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*
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* Description: Power Control driver.
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*
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* Copyright (c) 2015 - 2017, Texas Instruments Incorporated
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* All rights reserved.
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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 are met:
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*
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* 1) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3) Neither the name of the ORGANIZATION nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN 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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#include "pwr_ctrl.h"
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//*****************************************************************************
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//
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// Handle support for DriverLib in ROM:
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// This section will undo prototype renaming made in the header file
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//
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//*****************************************************************************
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#if !defined(DOXYGEN)
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#undef PowerCtrlSourceSet
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#define PowerCtrlSourceSet NOROM_PowerCtrlSourceSet
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#endif
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//*****************************************************************************
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//
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// Set (Request) the main power source
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//
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//*****************************************************************************
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void
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PowerCtrlSourceSet(uint32_t ui32PowerConfig)
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{
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// Check the arguments.
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ASSERT((ui32PowerConfig == PWRCTRL_PWRSRC_DCDC) ||
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(ui32PowerConfig == PWRCTRL_PWRSRC_GLDO) ||
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(ui32PowerConfig == PWRCTRL_PWRSRC_ULDO));
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// Configure the power.
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if(ui32PowerConfig == PWRCTRL_PWRSRC_DCDC) {
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HWREG(AON_PMCTL_BASE + AON_PMCTL_O_PWRCTL) |=
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(AON_PMCTL_PWRCTL_DCDC_EN | AON_PMCTL_PWRCTL_DCDC_ACTIVE);
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}
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else if (ui32PowerConfig == PWRCTRL_PWRSRC_GLDO)
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{
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HWREG(AON_PMCTL_BASE + AON_PMCTL_O_PWRCTL) &=
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~(AON_PMCTL_PWRCTL_DCDC_EN | AON_PMCTL_PWRCTL_DCDC_ACTIVE);
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}
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else
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{
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PRCMMcuUldoConfigure(true);
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}
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}
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