diff --git a/cmake/platforms/LinuxAArch64.cmake b/cmake/platforms/LinuxAArch64.cmake
new file mode 100644
index 000000000..6395a828d
--- /dev/null
+++ b/cmake/platforms/LinuxAArch64.cmake
@@ -0,0 +1,22 @@
+# Copyright (c) 2019 The Bitcoin developers
+
+set(CMAKE_SYSTEM_NAME Linux)
+set(TOOLCHAIN_PREFIX aarch64-linux-gnu)
+
+# Cross compilers to use for C and C++
+set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-gcc)
+set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++)
+
+# Target environment on the build host system
+# Set 1st to directory with the cross compiler's C/C++ headers/libs
+set(CMAKE_FIND_ROOT_PATH "${CMAKE_CURRENT_SOURCE_DIR}/depends/${TOOLCHAIN_PREFIX}")
+
+# We also may have built dependencies for the native platform.
+set(CMAKE_PREFIX_PATH "${CMAKE_CURRENT_SOURCE_DIR}/depends/${TOOLCHAIN_PREFIX}/native")
+
+# Modify default behavior of FIND_XXX() commands to
+# search for headers/libs in the target environment and
+# search for programs in the build host environment
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
diff --git a/cmake/platforms/LinuxARM.cmake b/cmake/platforms/LinuxARM.cmake
new file mode 100644
index 000000000..0640d7be0
--- /dev/null
+++ b/cmake/platforms/LinuxARM.cmake
@@ -0,0 +1,22 @@
+# Copyright (c) 2019 The Bitcoin developers
+
+set(CMAKE_SYSTEM_NAME Linux)
+set(TOOLCHAIN_PREFIX arm-linux-gnueabihf)
+
+# Cross compilers to use for C and C++
+set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-gcc)
+set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++)
+
+# Target environment on the build host system
+# Set 1st to directory with the cross compiler's C/C++ headers/libs
+set(CMAKE_FIND_ROOT_PATH "${CMAKE_CURRENT_SOURCE_DIR}/depends/${TOOLCHAIN_PREFIX}")
+
+# We also may have built dependencies for the native platform.
+set(CMAKE_PREFIX_PATH "${CMAKE_CURRENT_SOURCE_DIR}/depends/${TOOLCHAIN_PREFIX}/native")
+
+# Modify default behavior of FIND_XXX() commands to
+# search for headers/libs in the target environment and
+# search for programs in the build host environment
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)