diff --git a/make_helpers/toolchains/aarch32.mk b/make_helpers/toolchains/aarch32.mk
new file mode 100644
index 0000000..226bc75
--- /dev/null
+++ b/make_helpers/toolchains/aarch32.mk
@@ -0,0 +1,14 @@
+#
+# Copyright (c) 2023-2024, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+aarch32-cc-default := $(or $(CROSS_COMPILE),arm-none-eabi-)gcc
+aarch32-cpp-default := $(or $(CROSS_COMPILE),arm-none-eabi-)gcc
+aarch32-as-default := $(or $(CROSS_COMPILE),arm-none-eabi-)gcc
+aarch32-ld-default := $(or $(CROSS_COMPILE),arm-none-eabi-)ld.bfd
+aarch32-oc-default := $(or $(CROSS_COMPILE),arm-none-eabi-)objcopy
+aarch32-od-default := $(or $(CROSS_COMPILE),arm-none-eabi-)objdump
+aarch32-ar-default := $(or $(CROSS_COMPILE),arm-none-eabi-)gcc-ar
+aarch32-dtc-default := dtc
diff --git a/make_helpers/toolchains/aarch64.mk b/make_helpers/toolchains/aarch64.mk
new file mode 100644
index 0000000..15c5757
--- /dev/null
+++ b/make_helpers/toolchains/aarch64.mk
@@ -0,0 +1,14 @@
+#
+# Copyright (c) 2023-2024, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+aarch64-cc-default := $(or $(CROSS_COMPILE),aarch64-none-elf-)gcc
+aarch64-cpp-default := $(or $(CROSS_COMPILE),aarch64-none-elf-)gcc
+aarch64-as-default := $(or $(CROSS_COMPILE),aarch64-none-elf-)gcc
+aarch64-ld-default := $(or $(CROSS_COMPILE),aarch64-none-elf-)ld.bfd
+aarch64-oc-default := $(or $(CROSS_COMPILE),aarch64-none-elf-)objcopy
+aarch64-od-default := $(or $(CROSS_COMPILE),aarch64-none-elf-)objdump
+aarch64-ar-default := $(or $(CROSS_COMPILE),aarch64-none-elf-)gcc-ar
+aarch64-dtc-default := dtc
diff --git a/make_helpers/toolchains/host.mk b/make_helpers/toolchains/host.mk
new file mode 100644
index 0000000..fe3fc1c
--- /dev/null
+++ b/make_helpers/toolchains/host.mk
@@ -0,0 +1,14 @@
+#
+# Copyright (c) 2023, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+host-cc-default := gcc
+host-cpp-default := gcc
+host-as-default := gcc
+host-ld-default := gcc
+host-oc-default := objcopy
+host-od-default := objdump
+host-ar-default := gcc-ar
+host-dtc-default := dtc
diff --git a/make_helpers/toolchains/rk3399-m0.mk b/make_helpers/toolchains/rk3399-m0.mk
new file mode 100644
index 0000000..c61b6e8
--- /dev/null
+++ b/make_helpers/toolchains/rk3399-m0.mk
@@ -0,0 +1,14 @@
+#
+# Copyright (c) 2024, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+rk3399-m0-cc-default := $(or $(M0_CROSS_COMPILE),arm-none-eabi-)gcc
+rk3399-m0-cpp-default := $(or $(M0_CROSS_COMPILE),arm-none-eabi-)gcc
+rk3399-m0-as-default := $(or $(M0_CROSS_COMPILE),arm-none-eabi-)gcc
+rk3399-m0-ld-default := $(or $(M0_CROSS_COMPILE),arm-none-eabi-)ld.bfd
+rk3399-m0-oc-default := $(or $(M0_CROSS_COMPILE),arm-none-eabi-)objcopy
+rk3399-m0-od-default := $(or $(M0_CROSS_COMPILE),arm-none-eabi-)objdump
+rk3399-m0-ar-default := $(or $(M0_CROSS_COMPILE),arm-none-eabi-)gcc-ar
+rk3399-m0-dtc-default := dtc