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bsps/imxrt: Allow different ARM PLL setting

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Update #4180
This commit is contained in:
Christian Mauderer
2021-05-28 15:50:31 +02:00
parent 24e8ddca5c
commit 95a38dd3f1
3 changed files with 42 additions and 0 deletions
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8
bsps/arm/imxrt/nxp/boards/evkbimxrt1050/clock_config.c
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@@ -33,6 +33,7 @@ board: IMXRT1050-EVKB
#ifndef __rtems__
#include "clock_config.h"
#else /* __rtems__ */
#include <bspopts.h>
#include "fsl_clock_config.h"
#endif /* __rtems__ */
#include "fsl_iomuxc.h"
@@ -146,10 +147,17 @@ sources:
/*******************************************************************************
* Variables for BOARD_BootClockRUN configuration
******************************************************************************/
#ifndef __rtems__
const clock_arm_pll_config_t armPllConfig_BOARD_BootClockRUN = {
.loopDivider = 100, /* PLL loop divider, Fout = Fin * 50 */
.src = 0, /* Bypass clock source, 0 - OSC 24M, 1 - CLK1_P and CLK1_N */
};
#else /* __rtems__ */
/*
* Moved to bsps/arm/imxrt/start/clock-arm-pll-config.c so an application can
* overwrite it.
*/
#endif /* __rtems__ */
const clock_sys_pll_config_t sysPllConfig_BOARD_BootClockRUN = {
.loopDivider = 1, /* PLL loop divider, Fout = Fin * ( 20 + loopDivider*2 + numerator / denominator ) */
.numerator = 0, /* 30 bit numerator of fractional loop divider */

33
bsps/arm/imxrt/start/clock-arm-pll-config.c Normal file
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@@ -0,0 +1,33 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
*
* 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.
*
* 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 OWNER 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_clock_config.h"
const clock_arm_pll_config_t armPllConfig_BOARD_BootClockRUN = {
.loopDivider = 100,
.src = 0,
};