| /****************************************************************************** |
| * Filename: pwr_ctrl.c |
| * Revised: 2017-06-05 12:13:49 +0200 (Mon, 05 Jun 2017) |
| * Revision: 49096 |
| * |
| * Description: Power Control driver. |
| * |
| * Copyright (c) 2015 - 2017, Texas Instruments Incorporated |
| * All rights reserved. |
| * |
| * 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 of the ORGANIZATION 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 "pwr_ctrl.h" |
| |
| //***************************************************************************** |
| // |
| // Handle support for DriverLib in ROM: |
| // This section will undo prototype renaming made in the header file |
| // |
| //***************************************************************************** |
| #if !defined(DOXYGEN) |
| #undef PowerCtrlSourceSet |
| #define PowerCtrlSourceSet NOROM_PowerCtrlSourceSet |
| #endif |
| |
| |
| //***************************************************************************** |
| // |
| // Set (Request) the main power source |
| // |
| //***************************************************************************** |
| void |
| PowerCtrlSourceSet(uint32_t ui32PowerConfig) |
| { |
| // Check the arguments. |
| ASSERT((ui32PowerConfig == PWRCTRL_PWRSRC_DCDC) || |
| (ui32PowerConfig == PWRCTRL_PWRSRC_GLDO) || |
| (ui32PowerConfig == PWRCTRL_PWRSRC_ULDO)); |
| |
| // Configure the power. |
| if(ui32PowerConfig == PWRCTRL_PWRSRC_DCDC) { |
| HWREG(AON_PMCTL_BASE + AON_PMCTL_O_PWRCTL) |= |
| (AON_PMCTL_PWRCTL_DCDC_EN | AON_PMCTL_PWRCTL_DCDC_ACTIVE); |
| } |
| else if (ui32PowerConfig == PWRCTRL_PWRSRC_GLDO) |
| { |
| HWREG(AON_PMCTL_BASE + AON_PMCTL_O_PWRCTL) &= |
| ~(AON_PMCTL_PWRCTL_DCDC_EN | AON_PMCTL_PWRCTL_DCDC_ACTIVE); |
| } |
| else |
| { |
| PRCMMcuUldoConfigure(true); |
| } |
| } |
