imx: Move imx_iomux to arm/shared

Update #4180

bsps/arm/imx/headers.am

@@ -11,8 +11,6 @@ include_arm_freescale_imx_HEADERS += ../../../../../../bsps/arm/imx/include/arm/
 include_arm_freescale_imx_HEADERS += ../../../../../../bsps/arm/imx/include/arm/freescale/imx/imx_ecspireg.h
 include_arm_freescale_imx_HEADERS += ../../../../../../bsps/arm/imx/include/arm/freescale/imx/imx_gpcreg.h
 include_arm_freescale_imx_HEADERS += ../../../../../../bsps/arm/imx/include/arm/freescale/imx/imx_i2creg.h
-include_arm_freescale_imx_HEADERS += ../../../../../../bsps/arm/imx/include/arm/freescale/imx/imx_iomuxreg.h
-include_arm_freescale_imx_HEADERS += ../../../../../../bsps/arm/imx/include/arm/freescale/imx/imx_iomuxvar.h
 include_arm_freescale_imx_HEADERS += ../../../../../../bsps/arm/imx/include/arm/freescale/imx/imx_srcreg.h
 include_arm_freescale_imx_HEADERS += ../../../../../../bsps/arm/imx/include/arm/freescale/imx/imx_uartreg.h
 include_arm_freescale_imx_HEADERS += ../../../../../../bsps/arm/imx/include/arm/freescale/imx/imx_wdogreg.h

bsps/arm/imx/include/bsp.h

@@ -59,8 +59,6 @@ extern uintptr_t imx_gic_dist_base;
 
 void *imx_get_reg_of_node(const void *fdt, int node);
 
-int imx_iomux_configure_pins(const void *fdt, uint32_t phandle);
-
 rtems_vector_number imx_get_irq_of_node(
   const void *fdt,
   int node,

bsps/arm/imx/spi/imx-ecspi.c

@@ -15,6 +15,7 @@
 #include <bsp.h>
 #include <bsp/fdt.h>
 #include <bsp/imx-gpio.h>
+#include <bsp/imx-iomux.h>
 #include <libfdt.h>
 #include <arm/freescale/imx/imx_ccmvar.h>
 #include <arm/freescale/imx/imx_ecspireg.h>

bsps/arm/shared/headers.am

@@ -0,0 +1,6 @@
+## This file was generated by "./boostrap -H".
+
+include_arm_freescale_imxdir = $(includedir)/arm/freescale/imx
+include_arm_freescale_imx_HEADERS =
+include_arm_freescale_imx_HEADERS += ../../../../../../bsps/arm/shared/include/arm/freescale/imx/imx_iomuxreg.h
+include_arm_freescale_imx_HEADERS += ../../../../../../bsps/arm/shared/include/arm/freescale/imx/imx_iomuxvar.h

bsps/arm/shared/include/bsp/imx-iomux.h

@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsARM
+ *
+ * @brief Functions for imx iomux.
+ */
+
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#ifndef LIBBSP_ARM_SHARED_IMX_IOMUX_H
+#define LIBBSP_ARM_SHARED_IMX_IOMUX_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+int imx_iomux_configure_pins(const void *fdt, uint32_t phandle);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBBSP_ARM_SHARED_IMX_IOMUX_H */

c/src/lib/libbsp/arm/imx/Makefile.am

@@ -43,7 +43,7 @@ librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/shared/cp15/arm-cp15-set-ttb
 librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/imx/start/bspreset.c
 librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/imx/start/bspstart.c
 librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/imx/start/ccm.c
-librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/imx/start/imx_iomux.c
+librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/shared/pins/imx_iomux.c
 if HAS_SMP
 librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/shared/start/arm-a9mpcore-smp.c
 librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/imx/start/bspsmp.c

spec/build/bsps/arm/imx/bspimx.yml

@@ -8,7 +8,8 @@ copyrights:
 cppflags: []
 enabled-by: true
 family: imx
-includes: []
+includes:
+  - bsps/arm/shared/include
 install:
 - destination: ${BSP_INCLUDEDIR}
   source:
@@ -20,8 +21,8 @@ install:
   - bsps/arm/imx/include/arm/freescale/imx/imx_ecspireg.h
   - bsps/arm/imx/include/arm/freescale/imx/imx_gpcreg.h
   - bsps/arm/imx/include/arm/freescale/imx/imx_i2creg.h
-  - bsps/arm/imx/include/arm/freescale/imx/imx_iomuxreg.h
+  - bsps/arm/shared/include/arm/freescale/imx/imx_iomuxreg.h
-  - bsps/arm/imx/include/arm/freescale/imx/imx_iomuxvar.h
+  - bsps/arm/shared/include/arm/freescale/imx/imx_iomuxvar.h
   - bsps/arm/imx/include/arm/freescale/imx/imx_srcreg.h
   - bsps/arm/imx/include/arm/freescale/imx/imx_uartreg.h
   - bsps/arm/imx/include/arm/freescale/imx/imx_wdogreg.h
@@ -29,6 +30,7 @@ install:
   source:
   - bsps/arm/imx/include/bsp/imx-gpio.h
   - bsps/arm/imx/include/bsp/irq.h
+  - bsps/arm/shared/include/bsp/imx-iomux.h
 - destination: ${BSP_INCLUDEDIR}/dev/clock
   source:
   - bsps/include/dev/clock/arm-generic-timer.h
@@ -88,7 +90,7 @@ source:
 - bsps/arm/imx/start/bspstart.c
 - bsps/arm/imx/start/bspstarthooks.c
 - bsps/arm/imx/start/ccm.c
-- bsps/arm/imx/start/imx_iomux.c
+- bsps/arm/shared/pins/imx_iomux.c
 - bsps/arm/shared/cache/cache-cp15.c
 - bsps/arm/shared/cache/cache-v7ar-disable-data.S
 - bsps/shared/dev/clock/arm-generic-timer.c