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jdcg: allow <=2 retries upon SYSREF test failure

This commit is contained in:
Harry Ho 2021-12-15 15:36:25 +08:00 committed by Sébastien Bourdeauducq
parent 40e7b6058e
commit dc411d55be
3 changed files with 27 additions and 4 deletions
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1
artiq/firmware/satman/jdac_common.rs
View File

@ -9,6 +9,7 @@ pub const SYNC: u8 = 0x12;
pub const DDMTD_SYSREF_RAW: u8 = 0x20;
pub const DDMTD_SYSREF: u8 = 0x21;
pub const DDMTD_INIT: u8 = 0x22;
fn average_2phases(a: i32, b: i32, modulo: i32) -> i32 {

18
artiq/firmware/satman/jdcg.rs
View File

@ -410,9 +410,21 @@ pub mod jesd204sync {
}
pub fn sysref_auto_rtio_align() -> Result<(), &'static str> {
test_ddmtd_stability(true, 4)?;
test_ddmtd_stability(false, 1)?;
test_slip_ddmtd()?;
for i in 0..3 { // Allow resetting DDMTD core 2 times at max
let result = {
test_ddmtd_stability(true, 4)?;
test_ddmtd_stability(false, 1)?;
test_slip_ddmtd()
};
if let Err(_) = result {
if i == 3 {
error!("SYSREF test failed with too many retries");
return result
}
warn!("SYSREF test failed, retrying...");
jdac::basic_request(0, jdac_common::DDMTD_INIT, 0)?;
} else { break }
}
info!("determining SYSREF S/H limits...");
let sysref_sh_limits = measure_sysref_sh_limits()?;

12
artiq/firmware/satman/main.rs
View File

@ -320,7 +320,8 @@ fn process_aux_packet(_repeaters: &mut [repeater::Repeater],
},
jdac_common::DDMTD_SYSREF_RAW => (true, jdac_common::measure_ddmdt_phase_raw() as u8),
jdac_common::DDMTD_SYSREF => (true, jdac_common::measure_ddmdt_phase() as u8),
_ => (false, 0)
jdac_common::DDMTD_INIT => (init_ddmtd_reset_ad9154().is_ok(), 0),
_ => (false, 0),
}
};
#[cfg(not(has_ad9154))]
@ -415,6 +416,15 @@ fn hardware_tick(ts: &mut u64) {
}
}
#[cfg(has_ad9154)]
fn init_ddmtd_reset_ad9154() -> Result<(), &'static str> {
jdac_common::init_ddmtd()?;
for dacno in 0..csr::CONFIG_AD9154_COUNT {
board_artiq::ad9154::reset_and_detect(dacno as u8)?;
}
Ok(())
}
#[cfg(all(has_si5324, rtio_frequency = "125.0"))]
const SI5324_SETTINGS: si5324::FrequencySettings
= si5324::FrequencySettings {