diff --git a/.checkpackageignore b/.checkpackageignore
index 7de60f6946..6799b027c6 100644
--- a/.checkpackageignore
+++ b/.checkpackageignore
@@ -195,8 +195,6 @@ configs/imx6ullevk_defconfig lib_defconfig.ForceCheckHash
 configs/imx6ulpico_defconfig lib_defconfig.ForceCheckHash
 configs/imx7d-sdb_defconfig lib_defconfig.ForceCheckHash
 configs/imx7dpico_defconfig lib_defconfig.ForceCheckHash
-configs/imx8mn_bsh_smm_s2_defconfig lib_defconfig.ForceCheckHash
-configs/imx8mn_bsh_smm_s2_pro_defconfig lib_defconfig.ForceCheckHash
 configs/imx8mpico_defconfig lib_defconfig.ForceCheckHash
 configs/imx8mqevk_defconfig lib_defconfig.ForceCheckHash
 configs/imxrt1050-evk_defconfig lib_defconfig.ForceCheckHash
diff --git a/board/bsh/common/imx8mn-bsh-smm-s2/patches/arm-trusted-firmware/arm-trusted-firmware.hash b/board/bsh/common/imx8mn-bsh-smm-s2/patches/arm-trusted-firmware/arm-trusted-firmware.hash
new file mode 100644
index 0000000000..80e592dab6
--- /dev/null
+++ b/board/bsh/common/imx8mn-bsh-smm-s2/patches/arm-trusted-firmware/arm-trusted-firmware.hash
@@ -0,0 +1,2 @@
+# Locally calculated
+sha256  fc4cdac7c08fc398b6d4b705285dc13ac2d2b30a7449c6f07e9ccd81207241df  arm-trusted-firmware-v2.5.tar.gz
diff --git a/board/bsh/common/imx8mn-bsh-smm-s2/patches/linux-headers/linux-headers.hash b/board/bsh/common/imx8mn-bsh-smm-s2/patches/linux-headers/linux-headers.hash
new file mode 120000
index 0000000000..5808d92afe
--- /dev/null
+++ b/board/bsh/common/imx8mn-bsh-smm-s2/patches/linux-headers/linux-headers.hash
@@ -0,0 +1 @@
+../linux/linux.hash
\ No newline at end of file
diff --git a/board/bsh/common/imx8mn-bsh-smm-s2/patches/linux/linux.hash b/board/bsh/common/imx8mn-bsh-smm-s2/patches/linux/linux.hash
new file mode 100644
index 0000000000..b017ef2a89
--- /dev/null
+++ b/board/bsh/common/imx8mn-bsh-smm-s2/patches/linux/linux.hash
@@ -0,0 +1,2 @@
+# Locally calculated
+sha256  3e4d8e561da5703a205ae8d7b2bed6c5c64fc4299eebcbfd20481e63b57d5ee3  linux-6.1.6.tar.xz
diff --git a/board/bsh/common/imx8mn-bsh-smm-s2/patches/uboot/uboot.hash b/board/bsh/common/imx8mn-bsh-smm-s2/patches/uboot/uboot.hash
new file mode 100644
index 0000000000..7cef5b688e
--- /dev/null
+++ b/board/bsh/common/imx8mn-bsh-smm-s2/patches/uboot/uboot.hash
@@ -0,0 +1,2 @@
+# Locally calculated
+sha256  e31cac91545ff41b71cec5d8c22afd695645cd6e2a442ccdacacd60534069341  u-boot-2023.04.tar.bz2
diff --git a/configs/imx8mn_bsh_smm_s2_defconfig b/configs/imx8mn_bsh_smm_s2_defconfig
index 8b2b74395e..841512ed1a 100644
--- a/configs/imx8mn_bsh_smm_s2_defconfig
+++ b/configs/imx8mn_bsh_smm_s2_defconfig
@@ -1,5 +1,7 @@
 BR2_aarch64=y
 BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_1=y
+BR2_GLOBAL_PATCH_DIR="board/bsh/common/imx8mn-bsh-smm-s2/patches"
+BR2_DOWNLOAD_FORCE_CHECK_HASHES=y
 BR2_TARGET_GENERIC_GETTY_PORT="ttymxc3"
 BR2_ROOTFS_POST_BUILD_SCRIPT="board/bsh/imx8mn-bsh-smm-s2/post-build.sh"
 BR2_LINUX_KERNEL=y
diff --git a/configs/imx8mn_bsh_smm_s2_pro_defconfig b/configs/imx8mn_bsh_smm_s2_pro_defconfig
index e9ff244a35..b4553ceb52 100644
--- a/configs/imx8mn_bsh_smm_s2_pro_defconfig
+++ b/configs/imx8mn_bsh_smm_s2_pro_defconfig
@@ -1,5 +1,7 @@
 BR2_aarch64=y
 BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_1=y
+BR2_GLOBAL_PATCH_DIR="board/bsh/common/imx8mn-bsh-smm-s2/patches"
+BR2_DOWNLOAD_FORCE_CHECK_HASHES=y
 BR2_TARGET_GENERIC_GETTY_PORT="ttymxc3"
 BR2_ROOTFS_POST_BUILD_SCRIPT="board/bsh/imx8mn-bsh-smm-s2-pro/post-build.sh"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="board/bsh/imx8mn-bsh-smm-s2-pro/post-image.sh"