[RPSDK-1389] Zephyr examples add support for RT600 and RT700 DSPs

TomasGalbickaNXP · TomasGalbickaNXP · commit 64fd6442b1ec · 2026-02-23T09:18:41.000+01:00
Signed-off-by: Tomas Galbicka &lt;tomas.galbicka@nxp.com&gt;
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- Zephyr examples added support for RT600 and RT700.
+
 ### Updated
 
 - eRPC Zephyr module port updated for Zephyr version 4.4
diff --git a/examples/zephyr/matrix_multiply_mbox/CMakeLists.txt b/examples/zephyr/matrix_multiply_mbox/CMakeLists.txt
@@ -12,6 +12,8 @@ set(REMOTE_ZEPHYR_DIR ${CMAKE_CURRENT_BINARY_DIR}/../remote/zephyr)
 
 if(("${BOARD}" STREQUAL "mimxrt1170_evkb") OR
    ("${BOARD}" STREQUAL "mimxrt1170_evk") OR
+   ("${BOARD}" STREQUAL "mimxrt685_evk") OR
+   ("${BOARD}" STREQUAL "mimxrt700_evk") OR
    ("${BOARD}" STREQUAL "mimxrt1160_evk"))
   message(STATUS "${BOARD} compile as Main in this sample")
 else()
@@ -45,3 +47,7 @@ target_sources(app PRIVATE
 
 # Same for erpc library and erpc_config.h
 target_include_directories(erpc PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+
+if (CONFIG_BOARD_MIMXRT685_EVK OR CONFIG_BOARD_MIMXRT700_EVK)
+    include("${ZEPHYR_BASE}/samples/boards/nxp/adsp/rtxxx/common/dsp-load.cmake")
+endif()
diff --git a/examples/zephyr/matrix_multiply_mbox/Kconfig.sysbuild b/examples/zephyr/matrix_multiply_mbox/Kconfig.sysbuild
@@ -11,3 +11,5 @@ string
     default "mimxrt1170_evk/mimxrt1176/cm4" if $(BOARD) = "mimxrt1170_evk"
 	default "mimxrt1160_evk/mimxrt1166/cm4" if $(BOARD) = "mimxrt1160_evk"
 	default "mimxrt1170_evkb/mimxrt1176/cm4" if $(BOARD) = "mimxrt1170_evkb"
+	default "mimxrt685_evk/mimxrt685s/hifi4" if $(BOARD) = "mimxrt685_evk"
+	default "mimxrt700_evk/mimxrt798s/hifi4" if $(BOARD) = "mimxrt700_evk"
diff --git a/examples/zephyr/matrix_multiply_mbox/boards/mimxrt685_evk_mimxrt685s_cm33.conf b/examples/zephyr/matrix_multiply_mbox/boards/mimxrt685_evk_mimxrt685s_cm33.conf
@@ -0,0 +1,5 @@
+#
+# Copyright 2026 NXP
+#
+# SPDX-License-Identifier: Apache-2.0
+#
diff --git a/examples/zephyr/matrix_multiply_mbox/boards/mimxrt685_evk_mimxrt685s_cm33.overlay b/examples/zephyr/matrix_multiply_mbox/boards/mimxrt685_evk_mimxrt685s_cm33.overlay
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2026 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/ipc_service/static_vrings.h>
+#include <zephyr/dt-bindings/memory-attr/memory-attr-arm.h>
+
+#include <nxp/nxp_rt6xx_hifi4memsplit.dtsi>
+
+&dsp {
+	status = "okay";
+};
+
+/ {
+	mbox-consumer {
+		compatible = "vnd,mbox-consumer";
+		mboxes = <&mbox 1>, <&mbox 0>;
+		mbox-names = "tx", "rx";
+	};
+};
diff --git a/examples/zephyr/matrix_multiply_mbox/boards/mimxrt700_evk_mimxrt798s_cm33_cpu0.conf b/examples/zephyr/matrix_multiply_mbox/boards/mimxrt700_evk_mimxrt798s_cm33_cpu0.conf
@@ -0,0 +1,5 @@
+#
+# Copyright 2026 NXP
+#
+# SPDX-License-Identifier: Apache-2.0
+#
diff --git a/examples/zephyr/matrix_multiply_mbox/boards/mimxrt700_evk_mimxrt798s_cm33_cpu0.overlay b/examples/zephyr/matrix_multiply_mbox/boards/mimxrt700_evk_mimxrt798s_cm33_cpu0.overlay
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2026 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/ipc_service/static_vrings.h>
+#include <zephyr/dt-bindings/memory-attr/memory-attr-arm.h>
+
+#include <nxp/nxp_rt6xx_hifi4memsplit.dtsi>
+
+&dsp {
+	status = "okay";
+};
+
+/ {
+	mbox-consumer {
+		compatible = "vnd,mbox-consumer";
+		mboxes = <&mbox4_a 1>, <&mbox4_a 0>;
+		mbox-names = "tx", "rx";
+	};
+};
+
+mbox: &mbox4_a {
+
+};
diff --git a/examples/zephyr/matrix_multiply_mbox/remote/CMakeLists.txt b/examples/zephyr/matrix_multiply_mbox/remote/CMakeLists.txt
@@ -10,6 +10,8 @@ find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 
 if(("${BOARD}" STREQUAL "mimxrt1170_evkb") OR
   ("${BOARD}" STREQUAL "mimxrt1170_evk") OR
+  ("${BOARD}" STREQUAL "mimxrt685_evk") OR
+  ("${BOARD}" STREQUAL "mimxrt700_evk") OR
   ("${BOARD}" STREQUAL "mimxrt1160_evk"))
   message(STATUS "${BOARD} compile as remote in this sample")
 else()
@@ -43,3 +45,7 @@ target_sources(app PRIVATE
 
 # Same for erpc library and erpc_config.h
 target_include_directories(erpc PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/..)
+
+if (CONFIG_BOARD_MIMXRT685_EVK OR CONFIG_BOARD_MIMXRT700_EVK)
+    include("${ZEPHYR_BASE}/samples/boards/nxp/adsp/rtxxx/common/remote-dsp-imgs.cmake")
+endif()
diff --git a/examples/zephyr/matrix_multiply_mbox/remote/boards/mimxrt685_evk_mimxrt685s_hifi4.conf b/examples/zephyr/matrix_multiply_mbox/remote/boards/mimxrt685_evk_mimxrt685s_hifi4.conf
@@ -0,0 +1,5 @@
+#
+# Copyright 2026 NXP
+#
+# SPDX-License-Identifier: Apache-2.0
+#
diff --git a/examples/zephyr/matrix_multiply_mbox/remote/boards/mimxrt685_evk_mimxrt685s_hifi4.overlay b/examples/zephyr/matrix_multiply_mbox/remote/boards/mimxrt685_evk_mimxrt685s_hifi4.overlay
@@ -0,0 +1,16 @@
+/*
+ * Copyright 2026 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/ipc_service/static_vrings.h>
+#include <zephyr/dt-bindings/memory-attr/memory-attr-arm.h>
+
+/ {
+	mbox-consumer {
+		compatible = "vnd,mbox-consumer";
+		mboxes = <&mbox 0>, <&mbox 1>;
+		mbox-names = "tx", "rx";
+	};
+};
diff --git a/examples/zephyr/matrix_multiply_mbox/remote/boards/mimxrt700_evk_mimxrt798s_hifi4.conf b/examples/zephyr/matrix_multiply_mbox/remote/boards/mimxrt700_evk_mimxrt798s_hifi4.conf
@@ -0,0 +1,5 @@
+#
+# Copyright 2026 NXP
+#
+# SPDX-License-Identifier: Apache-2.0
+#
diff --git a/examples/zephyr/matrix_multiply_mbox/remote/boards/mimxrt700_evk_mimxrt798s_hifi4.overlay b/examples/zephyr/matrix_multiply_mbox/remote/boards/mimxrt700_evk_mimxrt798s_hifi4.overlay
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2026 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/ipc_service/static_vrings.h>
+#include <zephyr/dt-bindings/memory-attr/memory-attr-arm.h>
+
+/ {
+	mbox-consumer {
+		compatible = "vnd,mbox-consumer";
+		mboxes = <&mbox4_b 0>, <&mbox4_b 1>;
+		mbox-names = "tx", "rx";
+	};
+};
+
+mbox: &mbox4_b {
+
+};
diff --git a/examples/zephyr/matrix_multiply_mbox/src/main.cpp b/examples/zephyr/matrix_multiply_mbox/src/main.cpp
@@ -13,6 +13,10 @@
 #include "c_erpc_matrix_multiply_client.h"
 #include "erpc_matrix_multiply_common.h"
 
+#if defined(CONFIG_BOARD_MIMXRT685_EVK) || defined(CONFIG_BOARD_MIMXRT700_EVK)
+#include "dsp.h"
+#endif
+
 /*******************************************************************************
  * Definitions
  ******************************************************************************/
@@ -81,6 +85,11 @@ int main(void)
 
     Matrix matrix1 = { 0 }, matrix2 = { 0 }, result_matrix = { 0 };
 
+#if defined(CONFIG_BOARD_MIMXRT685_EVK) || defined(CONFIG_BOARD_MIMXRT700_EVK)
+    dsp_start();
+    k_sleep(K_MSEC(500));
+#endif
+
     dev = DEVICE_DT_GET(DT_NODELABEL(mbox));
 
     transport = erpc_transport_zephyr_mbox_init((void *)dev, (void *)&tx_channel, (void *)&rx_channel);
diff --git a/examples/zephyr/matrix_multiply_mbox/sysbuild.cmake b/examples/zephyr/matrix_multiply_mbox/sysbuild.cmake
@@ -24,7 +24,9 @@ native_simulator_set_final_executable(${DEFAULT_IMAGE})
 
 if ("${BOARD}" STREQUAL "mimxrt1170_evkb" OR
 	"${BOARD}" STREQUAL "mimxrt1170_evk"  OR
-	"${BOARD}" STREQUAL "mimxrt1160_evk"
+	"${BOARD}" STREQUAL "mimxrt1160_evk" OR
+	"${BOARD}" STREQUAL "mimxrt700_evk" OR
+	"${BOARD}" STREQUAL "mimxrt685_evk"
 	)
 	# For these NXP boards the main core application is dependent on
 	# 'zephyr_image_info.h' generated by remote application.
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/CMakeLists.txt b/examples/zephyr/matrix_multiply_rpmsglite/CMakeLists.txt
@@ -1,12 +1,12 @@
 #
-# Copyright 2023-2024 NXP
+# Copyright 2023-2026 NXP
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
 cmake_minimum_required(VERSION 3.20.0)
 
-set(REMOTE_ZEPHYR_DIR ${CMAKE_CURRENT_BINARY_DIR}/../remote_server/zephyr)
+set(REMOTE_ZEPHYR_DIR ${CMAKE_CURRENT_BINARY_DIR}/../remote/zephyr)
 
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(matrix_multiply_rpmsglite)
@@ -24,10 +24,10 @@ target_include_directories(app PRIVATE
     ${PROJECT_SOURCE_DIR}/src/service
 )
 
-target_sources(app PRIVATE 
+target_sources(app PRIVATE
     ${PROJECT_SOURCE_DIR}/src/main.cpp
     ${PROJECT_SOURCE_DIR}/src/erpc_error_handler.cpp
-    
+
     # Generated shim code
     ${PROJECT_SOURCE_DIR}/src/service/c_erpc_matrix_multiply_client.cpp
     ${PROJECT_SOURCE_DIR}/src/service/erpc_matrix_multiply_client.cpp
@@ -38,3 +38,7 @@ target_sources(app PRIVATE
 target_include_directories(rpmsg_lite  PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
 # Same for erpc library and erpc_config.h
 target_include_directories(erpc PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+
+if (CONFIG_BOARD_MIMXRT685_EVK OR CONFIG_BOARD_MIMXRT700_EVK)
+    include("${ZEPHYR_BASE}/samples/boards/nxp/adsp/rtxxx/common/dsp-load.cmake")
+endif()
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/Kconfig b/examples/zephyr/matrix_multiply_rpmsglite/Kconfig
@@ -1,5 +1,5 @@
 #
-# Copyright 2023-2024 NXP
+# Copyright 2023-2026 NXP
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -11,3 +11,18 @@ config INCLUDE_REMOTE_DIR
 	help
 	  Include remote build header files. Can be used if primary image
 	  needs to be aware of size or base address of secondary image
+
+config RPMSG_LITE_LINK_ID
+	int "RPMSG-Lite Link ID"
+	default 0
+	help
+	  Define here hardcoded to `0`. As all supported boards start with the link_id 0.
+	  In case application specific change is required please refer to bellow.
+
+	  Link ID used to define the rpmsg-lite instance, see rpmsg-lite/lib/include/<platform>/rpmsg_platform.h
+
+config RPMSG_LITE_ENABLE_CACHE
+	bool "Enable cache for RPMsg Lite"
+	default n
+	help
+	  Enable cache support for RPMsg Lite communication.
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/Kconfig.sysbuild b/examples/zephyr/matrix_multiply_rpmsglite/Kconfig.sysbuild
@@ -15,3 +15,5 @@ string
 	default "mimxrt1170_evk/mimxrt1176/cm4" if $(BOARD) = "mimxrt1170_evk"
 	default "mimxrt1160_evk/mimxrt1166/cm4" if $(BOARD) = "mimxrt1160_evk"
 	default "mimxrt1170_evkb/mimxrt1176/cm4" if $(BOARD) = "mimxrt1170_evkb"
+	default "mimxrt685_evk/mimxrt685s/hifi4" if $(BOARD) = "mimxrt685_evk"
+	default "mimxrt700_evk/mimxrt798s/hifi4" if $(BOARD) = "mimxrt700_evk"
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/boards/mimxrt685_evk_mimxrt685s_cm33.conf b/examples/zephyr/matrix_multiply_rpmsglite/boards/mimxrt685_evk_mimxrt685s_cm33.conf
@@ -0,0 +1,5 @@
+#
+# Copyright 2026 NXP
+#
+# SPDX-License-Identifier: Apache-2.0
+#
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/boards/mimxrt685_evk_mimxrt685s_cm33.overlay b/examples/zephyr/matrix_multiply_rpmsglite/boards/mimxrt685_evk_mimxrt685s_cm33.overlay
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2026 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/ipc_service/static_vrings.h>
+#include <zephyr/dt-bindings/memory-attr/memory-attr-arm.h>
+
+#include <nxp/nxp_rt6xx_hifi4memsplit.dtsi>
+
+&dsp {
+	status = "okay";
+};
+
+/ {
+	chosen {
+		/*
+		 * shared memory reserved for the inter-processor communication
+		 */
+
+		zephyr,ipc_shm = &sram_sh_mem;
+		zephyr,ipc = &mailbox_a;
+	};
+
+	/* Define memory regions for IPC */
+	sram_sh_mem: memory@20070000 {
+		compatible = "zephyr,memory-region", "mmio-sram";
+		reg = <0x20070000 DT_SIZE_K(64)>;
+		zephyr,memory-region = "SRAM_SH_MEM";
+		zephyr,memory-attr = <DT_MEM_ARM(ATTR_MPU_IO)>;
+	};
+
+	mailbox_a: ipm-mbox {
+		compatible = "zephyr,mbox-ipm";
+		mboxes = <&mbox 1>, <&mbox 0>;
+		mbox-names = "tx", "rx";
+	};
+};
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/boards/mimxrt700_evk_mimxrt798s_cm33_cpu0.conf b/examples/zephyr/matrix_multiply_rpmsglite/boards/mimxrt700_evk_mimxrt798s_cm33_cpu0.conf
@@ -0,0 +1,7 @@
+#
+# Copyright 2026 NXP
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+CONFIG_RPMSG_LITE_ENABLE_CACHE=y
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/boards/mimxrt700_evk_mimxrt798s_cm33_cpu0.overlay b/examples/zephyr/matrix_multiply_rpmsglite/boards/mimxrt700_evk_mimxrt798s_cm33_cpu0.overlay
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2026 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/ipc_service/static_vrings.h>
+#include <zephyr/dt-bindings/memory-attr/memory-attr-arm.h>
+
+&dsp {
+	status = "okay";
+};
+
+/ {
+	chosen {
+		zephyr,ipc_shm = &sram_shared_mem_hifi4;
+		zephyr,ipc = &mailbox_a_hifi4;
+	};
+
+	mailbox_a_hifi4: ipm-mbox-hifi4 {
+		compatible = "zephyr,mbox-ipm";
+		mboxes = <&mbox4_a 1>, <&mbox4_a 0>;
+		mbox-names = "tx", "rx";
+	};
+
+	sram_shared_mem_hifi4: memory@20584000 {
+		compatible = "zephyr,memory-region", "mmio-sram";
+		reg = <0x20584000 DT_SIZE_K(16)>;
+		zephyr,memory-region = "SRAM_SHARED_HIFI4";
+		zephyr,memory-attr = <DT_MEM_ARM(ATTR_MPU_IO)>;
+	};
+};
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/remote/CMakeLists.txt b/examples/zephyr/matrix_multiply_rpmsglite/remote/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright 2023-2024 NXP
+# Copyright 2023-2026 NXP
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -36,4 +36,8 @@ target_sources(app PRIVATE
 # Also include this directory into rpmsg_lite library because of project specific include rpsmg_config.h
 target_include_directories(rpmsg_lite PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/..)
 # Same for erpc library and erpc_config.h
-target_include_directories(erpc PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/..)
+target_include_directories(erpc PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/..)
+
+if (CONFIG_BOARD_MIMXRT685_EVK OR CONFIG_BOARD_MIMXRT700_EVK)
+    include("${ZEPHYR_BASE}/samples/boards/nxp/adsp/rtxxx/common/remote-dsp-imgs.cmake")
+endif()
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/remote/Kconfig b/examples/zephyr/matrix_multiply_rpmsglite/remote/Kconfig
@@ -0,0 +1,5 @@
+# Copyright 2026 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
+rsource "../Kconfig"
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/remote/boards/mimxrt685_evk_mimxrt685s_hifi4.conf b/examples/zephyr/matrix_multiply_rpmsglite/remote/boards/mimxrt685_evk_mimxrt685s_hifi4.conf
@@ -0,0 +1,7 @@
+#
+# Copyright 2026 NXP
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+CONFIG_RPMSG_LITE_ENABLE_CACHE=y
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/remote/boards/mimxrt685_evk_mimxrt685s_hifi4.overlay b/examples/zephyr/matrix_multiply_rpmsglite/remote/boards/mimxrt685_evk_mimxrt685s_hifi4.overlay
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/remote/boards/mimxrt700_evk_mimxrt798s_hifi4.conf b/examples/zephyr/matrix_multiply_rpmsglite/remote/boards/mimxrt700_evk_mimxrt798s_hifi4.conf
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/remote/boards/mimxrt700_evk_mimxrt798s_hifi4.overlay b/examples/zephyr/matrix_multiply_rpmsglite/remote/boards/mimxrt700_evk_mimxrt798s_hifi4.overlay
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/remote/src/main.cpp b/examples/zephyr/matrix_multiply_rpmsglite/remote/src/main.cpp
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/rpmsg_config.h b/examples/zephyr/matrix_multiply_rpmsglite/rpmsg_config.h
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/src/main.cpp b/examples/zephyr/matrix_multiply_rpmsglite/src/main.cpp
diff --git a/examples/zephyr/matrix_multiply_rpmsglite/sysbuild.cmake b/examples/zephyr/matrix_multiply_rpmsglite/sysbuild.cmake

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +#
 +# Copyright 2026 NXP
 +#
 +# SPDX-License-Identifier: Apache-2.0
 +#