M-Labs
/
artiq
mirror of https://github.com/m-labs/artiq.git
2
0
Fork 2
Code Issues Projects Releases Wiki Activity

runtime: clear all DRTIO FIFOs first, reset remote PHYs on link init

This commit is contained in:
Sebastien Bourdeauducq 2016-12-12 17:48:25 +08:00
parent 8f747fa209
commit 6a60afcba0
1 changed files with 9 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
artiq/runtime.rs/src/rtio_mgt.rs
View File

@ -53,6 +53,13 @@ mod drtio {
}
}
fn reset_phy() {
unsafe {
csr::drtio::reset_phy_write(1);
while csr::drtio::o_wait_read() == 1 {}
}
}
fn sync_tsc() {
unsafe {
csr::drtio::set_time_write(1);
@ -94,9 +101,9 @@ mod drtio {
waiter.sleep(600).unwrap();
info!("wait for remote side done");
init(); // clear all FIFOs first
reset_phy();
sync_tsc();
info!("TSC synced");
init();
info!("link initialization completed");
waiter.until(|| !link_is_up()).unwrap();