From e5e3b6c9a3f9108e2db63ce21f111fe131199878 Mon Sep 17 00:00:00 2001 From: Florent Kermarrec Date: Fri, 7 Jan 2022 11:59:59 +0100 Subject: [PATCH] phy/s7ddrphy: Only do write latency calibration on Kintex7/Virtex7. This has been causing issues on Artix7 and is only required with write_leveling. --- litedram/phy/s7ddrphy.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/litedram/phy/s7ddrphy.py b/litedram/phy/s7ddrphy.py index b2a62b6..e87df68 100644 --- a/litedram/phy/s7ddrphy.py +++ b/litedram/phy/s7ddrphy.py @@ -142,7 +142,7 @@ class S7DDRPHY(Module, AutoCSR): cmd_delay = cmd_delay, write_leveling = with_odelay, write_dq_dqs_training = with_odelay, - write_latency_calibration = True, + write_latency_calibration = with_odelay, read_leveling = True, delays = 32, bitslips = 8,