1 files changed, 3 insertions, 0 deletions
diff --git a/todo.txt b/todo.txt
index 12dd9102c..73c44884e 100644
--- a/todo.txt
+++ b/todo.txt
@@ -8,6 +8,9 @@ N = Decided against.
 Version 2.5.1
 
 Within 2.5.x:
+- SAM4L support.
+- Recursive mutexes.
+X SPC56x support.
 X Revision of the RTCv2 driver implementation.
 X File System infrastructure.
   - FatFs wrapper.