[rtems commit] bsps/imxrt: Allow different ARM PLL setting
Christian Mauderer
christianm at rtems.org
Fri Jul 2 11:51:02 UTC 2021
Module: rtems
Branch: master
Commit: 95a38dd3f10000ad05e22b4870b8b53ec8d549a0
Changeset: http://git.rtems.org/rtems/commit/?id=95a38dd3f10000ad05e22b4870b8b53ec8d549a0
Author: Christian Mauderer <christian.mauderer at embedded-brains.de>
Date: Fri May 28 15:50:31 2021 +0200
bsps/imxrt: Allow different ARM PLL setting
Update #4180
---
.../imxrt/nxp/boards/evkbimxrt1050/clock_config.c | 8 ++++++
bsps/arm/imxrt/start/clock-arm-pll-config.c | 33 ++++++++++++++++++++++
spec/build/bsps/arm/imxrt/bspimxrt.yml | 1 +
3 files changed, 42 insertions(+)
diff --git a/bsps/arm/imxrt/nxp/boards/evkbimxrt1050/clock_config.c b/bsps/arm/imxrt/nxp/boards/evkbimxrt1050/clock_config.c
index c23d5da..4ab5216 100644
--- a/bsps/arm/imxrt/nxp/boards/evkbimxrt1050/clock_config.c
+++ b/bsps/arm/imxrt/nxp/boards/evkbimxrt1050/clock_config.c
@@ -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 */
diff --git a/bsps/arm/imxrt/start/clock-arm-pll-config.c b/bsps/arm/imxrt/start/clock-arm-pll-config.c
new file mode 100644
index 0000000..12ad186
--- /dev/null
+++ b/bsps/arm/imxrt/start/clock-arm-pll-config.c
@@ -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,
+};
diff --git a/spec/build/bsps/arm/imxrt/bspimxrt.yml b/spec/build/bsps/arm/imxrt/bspimxrt.yml
index f543a14..c6ea904 100644
--- a/spec/build/bsps/arm/imxrt/bspimxrt.yml
+++ b/spec/build/bsps/arm/imxrt/bspimxrt.yml
@@ -238,6 +238,7 @@ source:
- bsps/arm/imxrt/spi/imxrt-lpspi.c
- bsps/arm/imxrt/start/bspstart.c
- bsps/arm/imxrt/start/bspstarthooks.c
+- bsps/arm/imxrt/start/clock-arm-pll-config.c
- bsps/arm/imxrt/start/flash-boot-data.c
- bsps/arm/imxrt/start/flash-config.c
- bsps/arm/imxrt/start/flash-dcd.c
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