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authorTimothy Pearson <tpearson@raptorengineeringinc.com>2016-03-08 18:40:28 -0600
committerMartin Roth <martinroth@google.com>2016-03-11 16:57:49 +0100
commit50583f0e1f82f6863762c75acf01c26e163bf2da (patch)
tree97459f96ba4e455659458b43462b8ff11229f0e1 /src/drivers/lenovo
parent8eb221deafcdba4311979e09020335b3cc4722f5 (diff)
nb/amd/mct_ddr3: Set read DQS delay to 1UI before calculating read latency
The AMD Family 15h BKDG rev. 3.14 indicates that the maximum read latency must be calculated prior to DQS position training, however the read latency calculations use read DQS delay values that have not been set prior to DQS position training. Set the read DQS delay values to 1UI (i.e worst case) before calculating the read latency prior to DQS position training. Change-Id: I6ae88c891e92b21dc0ca3c47b8f3d269f83b3204 Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> Reviewed-on: https://review.coreboot.org/13995 Tested-by: build bot (Jenkins) Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Martin Roth <martinroth@google.com>
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