[PATCH rtems 1/2] bsps/imxrt: Allow different ARM PLL setting

[Christian Mauderer]

Update #4180
---
 .../nxp/boards/evkbimxrt1050/clock_config.c   |  5 +++
 bsps/arm/imxrt/start/clock-arm-pll-config.c   | 33 +++++++++++++++++++
 spec/build/bsps/arm/imxrt/bspimxrt.yml        |  1 +
 3 files changed, 39 insertions(+)
 create mode 100644 bsps/arm/imxrt/start/clock-arm-pll-config.c

diff --git a/bsps/arm/imxrt/nxp/boards/evkbimxrt1050/clock_config.c b/bsps/arm/imxrt/nxp/boards/evkbimxrt1050/clock_config.c
index c23d5da356..ea28d06dd8 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 +147,14 @@ 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 a separate file 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 0000000000..12ad1867eb
--- /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 f543a14394..c6ea904754 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
-- 
2.26.2