diff --git a/artiq/firmware/Cargo.lock b/artiq/firmware/Cargo.lock
index dba7c50be..61af3ba1e 100644
--- a/artiq/firmware/Cargo.lock
+++ b/artiq/firmware/Cargo.lock
@@ -11,7 +11,7 @@ name = "alloc_none"
 version = "0.0.0"
 
 [[package]]
-name = "bsp"
+name = "board"
 version = "0.0.0"
 
 [[package]]
@@ -41,7 +41,7 @@ name = "ksupport"
 version = "0.0.0"
 dependencies = [
  "alloc_none 0.0.0",
- "bsp 0.0.0",
+ "board 0.0.0",
  "byteorder 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "std_artiq 0.0.0",
 ]
@@ -78,7 +78,7 @@ name = "runtime"
 version = "0.0.0"
 dependencies = [
  "alloc_artiq 0.0.0",
- "bsp 0.0.0",
+ "board 0.0.0",
  "byteorder 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fringe 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/artiq/firmware/libbsp/Cargo.toml b/artiq/firmware/libboard/Cargo.toml
similarity index 70%
rename from artiq/firmware/libbsp/Cargo.toml
rename to artiq/firmware/libboard/Cargo.toml
index 03adef376..c006dca4a 100644
--- a/artiq/firmware/libbsp/Cargo.toml
+++ b/artiq/firmware/libboard/Cargo.toml
@@ -1,8 +1,8 @@
 [package]
 authors = ["M-Labs"]
-name = "bsp"
+name = "board"
 version = "0.0.0"
 
 [lib]
-name = "bsp"
+name = "board"
 path = "lib.rs"
diff --git a/artiq/firmware/libbsp/board.rs b/artiq/firmware/libboard/lib.rs
similarity index 99%
rename from artiq/firmware/libbsp/board.rs
rename to artiq/firmware/libboard/lib.rs
index c73ffd0f5..63397e7b2 100644
--- a/artiq/firmware/libbsp/board.rs
+++ b/artiq/firmware/libboard/lib.rs
@@ -1,4 +1,5 @@
-#![allow(dead_code)]
+#![feature(asm)]
+#![no_std]
 
 use core::{cmp, ptr, str};
 
diff --git a/artiq/firmware/libbsp/lib.rs b/artiq/firmware/libbsp/lib.rs
deleted file mode 100644
index b75091413..000000000
--- a/artiq/firmware/libbsp/lib.rs
+++ /dev/null
@@ -1,4 +0,0 @@
-#![feature(asm)]
-#![no_std]
-
-pub mod board;
diff --git a/artiq/firmware/libksupport/Cargo.toml b/artiq/firmware/libksupport/Cargo.toml
index 581dee017..d009c2267 100644
--- a/artiq/firmware/libksupport/Cargo.toml
+++ b/artiq/firmware/libksupport/Cargo.toml
@@ -11,5 +11,5 @@ crate-type = ["staticlib"]
 [dependencies]
 alloc_none = { path = "../liballoc_none" }
 std_artiq = { path = "../libstd_artiq" }
-bsp = { path = "../libbsp" }
+board = { path = "../libboard" }
 byteorder = { version = "0.5", default-features = false }
diff --git a/artiq/firmware/libksupport/ad9154.rs b/artiq/firmware/libksupport/ad9154.rs
index 3f9867862..ab7026258 100644
--- a/artiq/firmware/libksupport/ad9154.rs
+++ b/artiq/firmware/libksupport/ad9154.rs
@@ -1,4 +1,4 @@
-use bsp::board::csr;
+use board::csr;
 
 pub extern fn init() {
     unsafe {
diff --git a/artiq/firmware/libksupport/i2c.rs b/artiq/firmware/libksupport/i2c.rs
index 0bbf753ad..96dedcabe 100644
--- a/artiq/firmware/libksupport/i2c.rs
+++ b/artiq/firmware/libksupport/i2c.rs
@@ -1,4 +1,4 @@
-use bsp::board::csr;
+use board::csr;
 
 fn half_period() {
     unsafe {
@@ -16,7 +16,7 @@ fn half_period() {
 
 #[cfg(has_i2c)]
 mod imp {
-    use bsp::board::csr;
+    use board::csr;
 
     fn sda_bit(busno: u32) -> u32 { 1 << (2 * busno + 1) }
     fn scl_bit(busno: u32) -> u32 { 1 << (2 * busno) }
@@ -64,14 +64,14 @@ mod imp {
     }
 }
 
-// #[cfg(not(has_i2c))]
-// mod imp {
-//     pub fn sda_i(busno: u32) -> bool { true }
-//     pub fn sda_oe(busno: u32, oe: bool) {}
-//     pub fn sda_o(busno: u32, o: bool) {}
-//     pub fn scl_oe(busno: u32, oe: bool) {}
-//     pub fn scl_o(busno: u32, o: bool) {}
-// }
+#[cfg(not(has_i2c))]
+mod imp {
+    pub fn sda_i(busno: u32) -> bool { true }
+    pub fn sda_oe(busno: u32, oe: bool) {}
+    pub fn sda_o(busno: u32, o: bool) {}
+    pub fn scl_oe(busno: u32, oe: bool) {}
+    pub fn scl_o(busno: u32, o: bool) {}
+}
 
 use self::imp::*;
 
diff --git a/artiq/firmware/libksupport/lib.rs b/artiq/firmware/libksupport/lib.rs
index 93306e565..76c8c420d 100644
--- a/artiq/firmware/libksupport/lib.rs
+++ b/artiq/firmware/libksupport/lib.rs
@@ -8,7 +8,7 @@ extern crate alloc_none;
 extern crate std_artiq as std;
 extern crate libc;
 extern crate byteorder;
-extern crate bsp;
+extern crate board;
 
 #[path = "../runtime/mailbox.rs"]
 mod mailbox;
diff --git a/artiq/firmware/libksupport/rtio.rs b/artiq/firmware/libksupport/rtio.rs
index fbe9c015a..b7e8cafd0 100644
--- a/artiq/firmware/libksupport/rtio.rs
+++ b/artiq/firmware/libksupport/rtio.rs
@@ -1,7 +1,7 @@
 #[path = "../runtime/kernel_proto.rs"]
 mod kernel_proto;
 
-use bsp::board::csr;
+use board::csr;
 use core::ptr::{read_volatile, write_volatile};
 use ::ArtiqList;
 use ::send;
diff --git a/artiq/firmware/runtime/Cargo.toml b/artiq/firmware/runtime/Cargo.toml
index 1fe70abe9..bffe58cc6 100644
--- a/artiq/firmware/runtime/Cargo.toml
+++ b/artiq/firmware/runtime/Cargo.toml
@@ -16,7 +16,7 @@ path = "lib.rs"
 alloc_artiq = { path = "../liballoc_artiq" }
 std_artiq = { path = "../libstd_artiq", features = ["alloc"] }
 lwip = { path = "../liblwip", default-features = false }
-bsp = { path = "../libbsp" }
+board = { path = "../libboard" }
 fringe = { version = "= 1.1.0", default-features = false, features = ["alloc"] }
 log = { version = "0.3", default-features = false }
 log_buffer = { version = "1.0" }
diff --git a/artiq/firmware/runtime/analyzer.rs b/artiq/firmware/runtime/analyzer.rs
index 22297c4d3..ea126512e 100644
--- a/artiq/firmware/runtime/analyzer.rs
+++ b/artiq/firmware/runtime/analyzer.rs
@@ -1,5 +1,5 @@
 use std::io::{self, Write};
-use bsp::board::{self, csr};
+use board::{self, csr};
 use sched::{Waiter, Spawner};
 use sched::{TcpListener, TcpStream, SocketAddr, IP_ANY};
 use analyzer_proto::*;
diff --git a/artiq/firmware/runtime/clock.rs b/artiq/firmware/runtime/clock.rs
index 4d90e266f..19bfa6c9c 100644
--- a/artiq/firmware/runtime/clock.rs
+++ b/artiq/firmware/runtime/clock.rs
@@ -1,4 +1,4 @@
-use bsp::board::csr;
+use board::csr;
 
 const INIT: u64 = ::core::i64::MAX as u64;
 const FREQ: u64 = csr::CONFIG_CLOCK_FREQUENCY as u64;
diff --git a/artiq/firmware/runtime/kernel.rs b/artiq/firmware/runtime/kernel.rs
index 4ffb322b0..5096badc1 100644
--- a/artiq/firmware/runtime/kernel.rs
+++ b/artiq/firmware/runtime/kernel.rs
@@ -1,5 +1,5 @@
 use core::ptr;
-use bsp::board::csr;
+use board::csr;
 use mailbox;
 use rpc_queue;
 
diff --git a/artiq/firmware/runtime/lib.rs b/artiq/firmware/runtime/lib.rs
index 38be35401..0fb41da5a 100644
--- a/artiq/firmware/runtime/lib.rs
+++ b/artiq/firmware/runtime/lib.rs
@@ -11,7 +11,7 @@ extern crate log_buffer;
 extern crate byteorder;
 extern crate fringe;
 extern crate lwip;
-extern crate bsp;
+extern crate board;
 
 use core::fmt::Write;
 use logger::BufferLogger;
@@ -105,7 +105,7 @@ pub unsafe extern fn rust_main() {
         clock::init();
         info!("booting ARTIQ");
         info!("software version {}", GIT_COMMIT);
-        info!("gateware version {}", bsp::board::ident(&mut [0; 64]));
+        info!("gateware version {}", board::ident(&mut [0; 64]));
 
         let t = clock::get_ms();
         info!("press 'e' to erase startup and idle kernels...");
@@ -138,7 +138,7 @@ pub unsafe extern fn rust_main() {
 
 #[no_mangle]
 pub unsafe extern fn isr() {
-    use bsp::board::{irq, csr};
+    use board::{irq, csr};
     extern { fn uart_isr(); }
 
     let irqs = irq::pending() & irq::get_mask();
diff --git a/artiq/firmware/runtime/mailbox.rs b/artiq/firmware/runtime/mailbox.rs
index bbf5f302b..b573734ed 100644
--- a/artiq/firmware/runtime/mailbox.rs
+++ b/artiq/firmware/runtime/mailbox.rs
@@ -1,5 +1,5 @@
 use core::ptr::{read_volatile, write_volatile};
-use bsp::board;
+use board;
 
 const MAILBOX: *mut usize = board::mem::MAILBOX_BASE as *mut usize;
 static mut LAST: usize = 0;
diff --git a/artiq/firmware/runtime/moninj.rs b/artiq/firmware/runtime/moninj.rs
index 88f6f370f..4db0aca0f 100644
--- a/artiq/firmware/runtime/moninj.rs
+++ b/artiq/firmware/runtime/moninj.rs
@@ -1,6 +1,6 @@
 use std::vec::Vec;
 use std::io;
-use bsp::board::csr;
+use board::csr;
 use sched::{Waiter, Spawner};
 use sched::{UdpSocket, SocketAddr, IP_ANY};
 use moninj_proto::*;
diff --git a/artiq/firmware/runtime/rpc_queue.rs b/artiq/firmware/runtime/rpc_queue.rs
index 7bac85146..3155813eb 100644
--- a/artiq/firmware/runtime/rpc_queue.rs
+++ b/artiq/firmware/runtime/rpc_queue.rs
@@ -2,7 +2,7 @@
 
 use core::ptr::{read_volatile, write_volatile};
 use core::slice;
-use bsp::board;
+use board;
 
 const SEND_MAILBOX: *mut usize = (board::mem::MAILBOX_BASE + 4) as *mut usize;
 const RECV_MAILBOX: *mut usize = (board::mem::MAILBOX_BASE + 8) as *mut usize;
diff --git a/artiq/firmware/runtime/rtio_mgt.rs b/artiq/firmware/runtime/rtio_mgt.rs
index fc94b7992..216706f0a 100644
--- a/artiq/firmware/runtime/rtio_mgt.rs
+++ b/artiq/firmware/runtime/rtio_mgt.rs
@@ -1,11 +1,11 @@
 use config;
-use bsp::board::csr;
+use board::csr;
 use sched::Scheduler;
 
 #[cfg(has_rtio_crg)]
 pub mod crg {
     use clock;
-    use bsp::board::csr;
+    use board::csr;
 
     pub fn init() {
         unsafe { csr::rtio_crg::pll_reset_write(0) }
@@ -39,7 +39,7 @@ pub mod crg {
 
 #[cfg(has_drtio)]
 mod drtio {
-    use bsp::board::csr;
+    use board::csr;
     use sched::{Scheduler, Waiter, Spawner};
 
     pub fn startup(scheduler: &Scheduler) {
diff --git a/artiq/firmware/runtime/session.rs b/artiq/firmware/runtime/session.rs
index 08dea473c..e4458398a 100644
--- a/artiq/firmware/runtime/session.rs
+++ b/artiq/firmware/runtime/session.rs
@@ -10,7 +10,7 @@ use urc::Urc;
 use sched::{ThreadHandle, Waiter, Spawner};
 use sched::{TcpListener, TcpStream, SocketAddr, IP_ANY};
 use byteorder::{ByteOrder, NetworkEndian};
-use bsp::board;
+use board;
 
 use rpc_proto as rpc;
 use session_proto as host;