diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 000000000..953f245ac
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1 @@
+# This file is intentionally left blank. It soon won't be.
diff --git a/README.md b/README.md
index eab84b611..ba3df31b1 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,19 @@
-# mbedtls-framework
-TF-PSA-Crypto and Mbed TLS version-independent build and test framework
+# Mbed TLS framework
+
+This repository contains a version-independent build and test framework for [TF-PSA-Crypto](https://github.com/Mbed-TLS/TF-PSA-Crypto) and [Mbed TLS](https://github.com/Mbed-TLS/mbedtls-framework).
+
+You need this repository as a Git submodule in a branch of one of the above repositories if:
+
+* You want to build, test or contribute to Mbed TLS 3.6.0 or above, and you are working from a snapshot of a Git commit on a development branch.
+* You want to build, test or contribute to TF-PSA-Crypto, and you are working from a snapshot of a Git commit on a development branch.
+
+You do not need this repository if:
+
+* You are working with Mbed TLS 2.28.
+* You want to build or test a release of Mbed TLS.
+
+License
+-------
+
+Unless specifically indicated otherwise in a file, Mbed TLS files are provided under a dual [Apache-2.0](https://spdx.org/licenses/Apache-2.0.html) OR [GPL-2.0-or-later](https://spdx.org/licenses/GPL-2.0-or-later.html) license. See the [LICENSE](LICENSE) file for the full text of these licenses, and [the 'License and Copyright' section in the Mbed TLS contributing guidelines](https://github.com/Mbed-TLS/mbedtls/blob/development/CONTRIBUTING.md#License-and-Copyright) for more information.
+
diff --git a/exported.make b/exported.make
new file mode 100644
index 000000000..953f245ac
--- /dev/null
+++ b/exported.make
@@ -0,0 +1 @@
+# This file is intentionally left blank. It soon won't be.