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I found is quite usefull for debugging
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<somlo "bunnie: "sdcore_issue_cmd_write""> yes, it works in the version of litesdcard i was using, but it's a really old version, at commit 067299dac3b8d7e5fe9dc3f28a71841be1b24227
i checked and sdcore_issue_cmd_write is in my csr.h for that version.
bunnie[m]: i don't think litesdcard changed too much since this, but i'm going to do some tests and will post the results here
ok cool. if memory serves correct, this change is because we use an 8-bit width CSR space on the netv2 image, and the original sdcard implementation assumed a 32-bit CSR? so there were a few little hacks i had to patch in to make the 8-bit width work. it's been a while, tho, my memory is fuzzy.
to wit, the only thing i do with the SD card interface is run a factory test, which is reading the card ID registers and blasting in a block of data and checking it comes out ok to make sure the hardware is soldered together correctly. it's not used in the production NeTV2 image.
bunnie[m]: yes that's also what i remember
somlo: i just updated the litesdcard example designs, and switch to the Nexys4DDR for the Artix7 example
somlo: i also switched the CPU from lm32 to vexriscv that is now the default in LiteX