[Libre-soc-bugs] [Bug 506] 8x VDD VSS pins needed in ioring

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Fri Oct 2 14:25:49 BST 2020


--- Comment #12 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Staf Verhaegen from comment #9)

> So the prototype will have on 3.3V domain and one 1.8V domain.

rright.  if that's the case - and there is no other option - then there
is no point doing multiple IO domains at all, we might as well stick
with the current chip plugin.

jean-paul i *really* cannot get multiple p_vsseck_0/1 / p_vddeck_0/1 working,
it is beginning to piss me off.

can i ask you the favour of modifying experiments4 ioring to show me how
it is supposed to be done?

absolutely every single thing that i have tried has failed and i have
been trying for several weeks.

add to pads.north fail.

add to pads.instances fail.

add vdde fail.

add p_vddeck_0 fail.  

add p_vddeck_1 fail.

if you can add it to experiments4 (which i updated to take pads.instances)
i can see how it works.

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