vendor.lattice_ecp5: Add support for io with xdr=4
authorKonrad Beckmann <konrad.beckmann@gmail.com>
Mon, 6 Jul 2020 14:01:19 +0000 (16:01 +0200)
committerLuke Kenneth Casson Leighton <lkcl@lkcl.net>
Fri, 31 Dec 2021 14:43:43 +0000 (14:43 +0000)
commit690fded6a87f08cf8477ad0881ff0bfc30ae0335
tree13443a9ecf0a73e3ee749eab8bde98c17440b9a2
parente1fd4e8d2a555fa20513ce5065416ca8ab8424c3
vendor.lattice_ecp5: Add support for io with xdr=4

This adds support for IOs with xdr=4 using the
IDDRX2F and ODDRX2F primitives.
nmigen/lib/io.py
nmigen/vendor/lattice_ecp5.py