Add support for i.MX8M Plus

examples/zephyr/rpmsg_multi_services/boards/nxp_adsp_imx8m.conf

@@ -0,0 +1,4 @@
+CONFIG_IPM_IMX_MAX_DATA_SIZE_16=n
+CONFIG_IPM_IMX_MAX_DATA_SIZE_4=y
+CONFIG_OPENAMP_WITH_DCACHE=y
+CONFIG_IPM_IMX_FW_READY_REPLY=y

examples/zephyr/rpmsg_multi_services/boards/nxp_adsp_imx8m.overlay

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2024 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	chosen {
+		/*
+		 * shared memory reserved for the inter-processor communication
+		 */
+		zephyr,ipc_shm = &dspsram3;
+		zephyr,ipc = &mailbox0;
+	};
+
+	dspsram3: memory@942f0000 {
+		compatible = "mmio-sram";
+		reg = <0x942f0000 0x110000>;
+	};
+};
+
+&mailbox0 {
+	status = "okay";
+};

examples/zephyr/rpmsg_multi_services/prj.conf

@@ -1,7 +1,6 @@
 CONFIG_KERNEL_BIN_NAME="rpmsg_multi_services"
 CONFIG_PRINTK=n
 CONFIG_IPM=y
-CONFIG_PLATFORM_SPECIFIC_INIT=n
 CONFIG_MAIN_STACK_SIZE=1024
 CONFIG_HEAP_MEM_POOL_SIZE=1024
 CONFIG_OPENAMP=y

examples/zephyr/rpmsg_multi_services/src/sample.yaml → examples/zephyr/rpmsg_multi_services/sample.yaml

@@ -1,11 +1,12 @@
 sample:
     description: This app provides an example of how to integrate OpenAMP
-        with Zephyr in cluding a esource table.
+        with Zephyr including a resource table.
     name: OpenAMP with resource table example integration
 tests:
     sample.subsys.ipc.openamp_rs_table:
         build_only: true
         platform_allow: stm32mp157c_dk2
         platform_allow: qemu_cortex_r5
         platform_allow: kv260_r5
+        platform_allow: nxp_adsp_imx8m
         tags: ipm

examples/zephyr/rpmsg_multi_services/src/main_remote.c

@@ -31,14 +31,13 @@ LOG_MODULE_REGISTER(openamp_rsc_table, LOG_LEVEL_DBG);
 #define SHM_START_ADDR	DT_REG_ADDR(SHM_NODE)
 #define SHM_SIZE		DT_REG_SIZE(SHM_NODE)
 
-#define APP_TASK_STACK_SIZE (512)
+#define APP_TASK_STACK_SIZE (1024)
 
 #define MAX_TTY_EPT  2
 #define MAX_RAW_EPT  2
 
-/* Add 512 extra bytes for the TTY task stack for the "tx_buff" buffer. */
-#define APP_TTY_TASK_STACK_SIZE (1024)
-#define APP_RAW_TASK_STACK_SIZE (1024)
+#define APP_TTY_TASK_STACK_SIZE (2048)
+#define APP_RAW_TASK_STACK_SIZE (2048)
 
 K_THREAD_STACK_DEFINE(thread_mng_stack, APP_TASK_STACK_SIZE);
 K_THREAD_STACK_DEFINE(thread_rp__client_stack, APP_TASK_STACK_SIZE);