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jeanthom / gram

DDR3 controller for nMigen (WIP)
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Use PinsN for RAS/CAS/WE #27

Closed jeanthom closed 4 years ago

jeanthom commented 4 years ago

Boards descriptions in nmigen-boards seem to use PinsN description.

jeanthom commented 4 years ago

Putting this on hold because of: https://github.com/nmigen/nmigen-boards/issues/74

jeanthom commented 4 years ago

After discussing this issue with whitequark, we could use the xdr attribute to instantiate an ODDRX2F and handle the signal inversion.

jeanthom commented 4 years ago

https://github.com/jeanthom/gram/commit/9d42a4fe3b06697ac0d17b7399cbb011106dacbf: XDR is now used for those pins