From 9ecb24840a0f74a9634d736f448094b31d216f90 Mon Sep 17 00:00:00 2001
From: yuejianjun <yuejianjun1@hisilicon.com>
Date: Sat, 5 Mar 2022 08:02:16 +0000
Subject: [PATCH] Build kernel for product Hi3751V350

Signed-off-by: yuejianjun <yuejianjun1@hisilicon.com>
Change-Id: I9a917559d20b43f6082bb312a24a49f85d305fab
---
 build_kernel.sh        |  6 ++++++
 kernel.mk              | 21 ++++++++++++++++++++-
 kernel_module_build.sh |  4 ++++
 3 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/build_kernel.sh b/build_kernel.sh
index a131e59..7406e9e 100755
--- a/build_kernel.sh
+++ b/build_kernel.sh
@@ -28,7 +28,13 @@ rm -rf ${3}/../../../kernel.timestamp
 # it needs more adaptation
 if [ "$5" == "arm" ];then
     cp ${2}/kernel/OBJ/${8}/arch/arm/boot/uImage ${3}/uImage
+if [ "$7" == "hi3751v350"  ];then
+    cp ${2}/kernel/OBJ/${8}/arch/arm/boot/dts/hi3751v350.dtb ${3}/dtbo.img
+    cat ${2}/kernel/OBJ/${8}/arch/arm/boot/zImage-dtb ${3}/dtbo.img > ${3}/zImage-dtb
+else
     cp ${2}/kernel/OBJ/${8}/arch/arm/boot/zImage-dtb ${3}/zImage-dtb
+fi
+
 elif [ "$5" == "arm64" ];then
     cp ${2}/kernel/OBJ/${8}/arch/arm64/boot/Image ${3}/Image
 fi
diff --git a/kernel.mk b/kernel.mk
index 08b1125..afa24ce 100755
--- a/kernel.mk
+++ b/kernel.mk
@@ -41,12 +41,22 @@ else ifeq ($(KERNEL_ARCH), arm64)
 endif
 
 KERNEL_CROSS_COMPILE :=
+ifeq ($(DEVICE_NAME), hi3751v350)
+KERNEL_CROSS_COMPILE += COMFIG_MSP="y"
+else
 KERNEL_CROSS_COMPILE += CC="$(CLANG_CC)"
+endif
 KERNEL_CROSS_COMPILE += CROSS_COMPILE="$(KERNEL_TARGET_TOOLCHAIN_PREFIX)"
 
+ifeq ($(DEVICE_NAME), hi3751v350)
+KERNEL_MAKE := \
+    PATH="$(BOOT_IMAGE_PATH):$(KERNEL_TARGET_TOOLCHAIN):$$PATH" \
+    $(KERNEL_PREBUILT_MAKE)
+else
 KERNEL_MAKE := \
     PATH="$(BOOT_IMAGE_PATH):$$PATH" \
     $(KERNEL_PREBUILT_MAKE)
+endif
 
 
 ifneq ($(findstring $(BUILD_TYPE), small standard),)
@@ -62,8 +72,14 @@ export KBUILD_OUTPUT=$(KERNEL_OBJ_TMP_PATH)
 
 $(KERNEL_IMAGE_FILE):
 	$(hide) echo "build kernel..."
+ifeq ($(DEVICE_NAME), hi3751v350)
+	$(hide) rm -rf $(KERNEL_SRC_TMP_PATH);mkdir -p $(KERNEL_SRC_TMP_PATH);cp -arfP $(KERNEL_SRC_PATH)/* $(KERNEL_SRC_TMP_PATH)/
+	$(hide) cd $(KERNEL_SRC_TMP_PATH)/drivers && rm -rf common && ln -s $(SDK_SOURCE_DIR)/common/drv ./common && cd -
+	$(hide) cd $(KERNEL_SRC_TMP_PATH)/drivers && rm -rf msp && ln -s $(SDK_SOURCE_DIR)/msp/drv ./msp && cd -
+else
 	$(hide) rm -rf $(KERNEL_SRC_TMP_PATH);mkdir -p $(KERNEL_SRC_TMP_PATH);cp -arfL $(KERNEL_SRC_PATH)/* $(KERNEL_SRC_TMP_PATH)/
-	$(hide) $(OHOS_BUILD_HOME)/drivers/adapter/khdf/linux/patch_hdf.sh $(OHOS_BUILD_HOME) $(KERNEL_SRC_TMP_PATH) $(HDF_PATCH_FILE) 
+endif
+	$(hide) $(OHOS_BUILD_HOME)/drivers/adapter/khdf/linux/patch_hdf.sh $(OHOS_BUILD_HOME) $(KERNEL_SRC_TMP_PATH) $(HDF_PATCH_FILE)
      
 ifeq ($(PRODUCT_PATH), vendor/hisilicon/watchos)
 	$(hide) cd $(KERNEL_SRC_TMP_PATH) && patch -p1 < $(PRODUCT_PATCH_FILE)
@@ -82,5 +98,8 @@ ifeq ($(KERNEL_VERSION), linux-5.10)
 endif
 	$(hide) $(KERNEL_MAKE) -C $(KERNEL_SRC_TMP_PATH) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) -j64 $(KERNEL_IMAGE)
 endif
+ifeq ($(DEVICE_NAME), hi3751v350)
+	$(hide) $(KERNEL_MAKE) -C $(KERNEL_SRC_TMP_PATH) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) dtbs
+endif
 .PHONY: build-kernel
 build-kernel: $(KERNEL_IMAGE_FILE)
diff --git a/kernel_module_build.sh b/kernel_module_build.sh
index 51bcf3b..961b31b 100755
--- a/kernel_module_build.sh
+++ b/kernel_module_build.sh
@@ -42,6 +42,10 @@ fi
 export KERNEL_IMAGE=${kernel_image}
 LINUX_KERNEL_IMAGE_FILE=${LINUX_KERNEL_OBJ_OUT}/arch/${KERNEL_ARCH}/boot/${kernel_image}
 
+if [ "$DEVICE_NAME" == "hi3751v350"  ];then
+export SDK_SOURCE_DIR=${OHOS_ROOT_PATH}/device/soc/hisilicon/${DEVICE_NAME}/sdk_linux/source
+fi
+
 make -f kernel.mk
 
 if [ -f "${LINUX_KERNEL_IMAGE_FILE}" ];then
-- 
Gitee