diff --git a/src/libboard_artiq/src/drtioaux.rs b/src/libboard_artiq/src/drtioaux.rs
index e2bf32f5..85706217 100644
--- a/src/libboard_artiq/src/drtioaux.rs
+++ b/src/libboard_artiq/src/drtioaux.rs
@@ -1,35 +1,28 @@
 use core::slice;
 use crc;
 
+
 use io::{ProtoRead, ProtoWrite, Cursor, Error as IoError};
-//use board_misoc::{mem::DRTIOAUX_MEM}; // <- port
-//^ uses generated files (like csr, but mem) - todo check after initial generation
+use mem::mem::DRTIOAUX_MEM;
 use pl::csr::DRTIOAUX;
-use drtioaux_proto::Error as ProtocolError;
+use crate::drtioaux_proto::Error as ProtocolError;
 use libboard_zynq::{timer::GlobalTimer, time::Milliseconds};
 
-pub use drtioaux_proto::Packet;
+pub use crate::drtioaux_proto::Packet;
 
 // this is parametric over T because there's no impl Fail for !.
-#[derive(Fail, Debug)]
+#[derive(Debug)]
 pub enum Error<T> {
-    #[fail(display = "gateware reported error")]
     GatewareError,
-    #[fail(display = "packet CRC failed")]
     CorruptedPacket,
 
-    #[fail(display = "link is down")]
     LinkDown,
-    #[fail(display = "timed out waiting for data")]
     TimedOut,
-    #[fail(display = "unexpected reply")]
     UnexpectedReply,
 
-    #[fail(display = "routing error")]
     RoutingError,
 
-    #[fail(display = "protocol error: {}", _0)]
-    Protocol(#[cause] ProtocolError<T>)
+    Protocol(ProtocolError<T>)
 }
 
 impl<T> From<ProtocolError<T>> for Error<T> {
diff --git a/src/libboard_artiq/src/lib.rs b/src/libboard_artiq/src/lib.rs
index dce8082d..764af64a 100644
--- a/src/libboard_artiq/src/lib.rs
+++ b/src/libboard_artiq/src/lib.rs
@@ -2,10 +2,14 @@
 #![feature(never_type)]
 
 extern crate log;
+extern crate crc;
+extern crate failure;
+extern crate failure_derive;
 extern crate libboard_zynq;
 extern crate libconfig;
 extern crate libcortex_a9;
 extern crate log_buffer;
+extern crate io;
 
 // has csr; taken from runtime main
 #[path = "../../../build/pl.rs"]
@@ -13,6 +17,11 @@ pub mod pl;
 
 #[cfg(has_drtio)]
 pub mod drtioaux;
+// for now, memory map is only needed for DRTIO firmware
+#[cfg(has_drtio)]
+#[path = "../../../build/mem.rs"]
+pub mod mem;
+
 pub mod drtio_routing;
 
 pub mod logger;