lekernel changed the topic of #m-labs to: Mixxeo, Migen, MiSoC & other M-Labs projects :: fka #milkymist :: Logs http://irclog.whitequark.org/m-labs
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<mog>
i have a blinkie!
<ysionneau>
congratz :)
<mog>
i have to finish the rest of my ucf port but cool to see something working
<ysionneau>
ucf? you mean mibuild platform?
<mog>
right i made a platform for my dev board
<ysionneau>
well done!
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<mog>
hi
<mog>
im converting my ucf to a mibuild platform and i am changing hte sdram part
<mog>
most of the pins make sense to me except for ba and dm
<mog>
should ba = my bs0 and bs1
<mog>
and dm = my ldqm and my udqm ?
<mog>
yup i think that is right
<mog>
yay i have an soc now
<ysionneau>
ba mean bank address, bs must mean "bank select" I guess
<ysionneau>
dm / dqm , that's the data mask
<mog>
ya i think that is what they meant after reading more
<mog>
i am trying to get blinkie code to work now
<mog>
i think i might have had uart backwards as i didnt see anything
<mog>
trying to flip it now
<mog>
hmmm im not getting anything back
<ysionneau>
does the bios boot?
<mog>
i dont see how i would know?
<mog>
i dont see anything on the uart
<ysionneau>
by looking at the uart
<ysionneau>
ok, so most likely bios does not boot
<ysionneau>
are you sure you didn't invert rx and tx for uart?
<mog>
i flipped it both was
<mog>
er ways
<mog>
just in case
<ysionneau>
ok
<ysionneau>
maybe flash controller fails to read from the flash
<ysionneau>
but that would be weird
<ysionneau>
do you have a scope or logic analyzer?
<ysionneau>
would be interesting to see what's going on on the flash pins
<ysionneau>
did you successfully flash the BIOS to the flash chip?
<mog>
i didnt flash bios to my flash because i was getting different error, i tried just modifying the simple target for my platform by changing the name
<mog>
the flash my probelm is its just spiflash so i didnt have dq pins
<mog>
and i hadnt gone in and fixed error yet
<ysionneau>
ah then if you didn't flash the bios to the flash chip, it's normal that the cpu is not executing the bios then
<ysionneau>
or maybe you are embedding the BIOS in on-chip SRAM ?
<ysionneau>
blockram*
<mog>
i think that is what it is doing
<mog>
as it doestill call the bios
<mog>
the simple example i mean
<ysionneau>
your target class, is it deriving from IntegratedBios ?
<ysionneau>
IntegratedBIOS
<ysionneau>
or maybe SimpleSoC ?
<mog>
it calles integratedbios init but it is class simplesoc
<mog>
its just what comes stock with migen
<ysionneau>
ah ok
<ysionneau>
then, you don't need to worry about flash or sdram
<ysionneau>
this SoC is minimalist and does not use any of those two
<mog>
sorry thanks for help i have to run grab lunch id appreciate more advice later if you are still around
<mog>
*nods*
<ysionneau>
BIOS is embedded in the bitstream, in onchip rom
<ysionneau>
and onchip SRAM is used as main memory
<ysionneau>
so that should ... boot
<ysionneau>
mog: maybe see you on sunday or monday, I'm off to bed now :)
<ysionneau>
good lunch!
<mog>
gnite ysionneau
<mog>
thanks again
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