Thursday, 2023-03-30

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somloMoeIcenowy: did you ever get the sdcard working when *not* in spi-sdcard mode (on your stlv7325 "classic" board, that is)?13:20
somlomine only works in spi mode so far13:20
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MoeIcenowysomlo: mine seem to work15:45
MoeIcenowysomlo: but it's weeks ago15:47
MoeIcenowyand I previously have broken litesdcard experience on tangnano20k15:47
MoeIcenowyso maybe litesdcard regressed?15:47
MoeIcenowysomlo: BTW the document says SD card pinout is changed on v215:47
MoeIcenowy(in addition I am thinking about getting a FMC-equipped STLV7325 v2 to test FMC adapters by CHIPS Alliance15:48
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cr1901IIRC, litesdcard uses parts of the SD spec that not all cards are required to implement (UHS 1)16:48
tntHow does one get access to the clock domain of the current block ?  Like i want a PulseSynchronizer from sys to XXX (with XXX being whatever CD the block is in) ?17:36
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somlosdcard works great on e.g. digilent-nexys-video, lambdaconcept-ecpix5, and a bunch more boards I have sitting around20:30
somloand since it works fine on the stlnv7325-v2 in *SPI mode*, at least those pins are connected according to the document I got from the designer :)20:31
somloin SD mode there are an additional 2 pins involved (data[1] and data[2]), which might be wrong, or reversed, or who knows -- since if i try building bitstream with a proper SD-mode sdcard block, it doesn't work on that board20:32
somlosame migen source, same physical sdcard, so everything else is identical on both "sides" of the FPGA <-> pads link :)20:33
Flea86smolo: Does lowering the sd clock rate improve matters?21:57
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