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(parent: 5c95c8e) | patch
bios/sdram: make read leveling robust for KUS SDRAM
authorChris Ballance <chris.ballance@physics.ox.ac.uk>
Fri, 12 Jan 2018 18:23:08 +0000 (19:23 +0100)
committerFlorent Kermarrec <florent@enjoy-digital.fr>
Fri, 12 Jan 2018 18:23:08 +0000 (19:23 +0100)
commit782711e5a9d5d6c8f9988ec8fe8a38f1b5bf4176
treec7805a3e2012bd07cd219e085e4f54077fffd465tree
parent5c95c8ead0fe30ada6b5adb132b5099c4c8ef9fbcommit | diff
bios/sdram: make read leveling robust for KUS SDRAM

Increases the initial delay step into the valid read window as
with the original delay I was not getting out of the noisy
transition window, as evidenced by seeing read delay windows
of only 8 LSB ~10% of the time, leading to failing memory
tests
litex/soc/software/bios/sdram.c diff | blob | history