vendor.xilinx_{7series,spartan6}: emit IBUF/OBUF explicitly.
authorwhitequark <cz@m-labs.hk>
Sat, 15 Jun 2019 16:07:40 +0000 (16:07 +0000)
committerwhitequark <cz@m-labs.hk>
Mon, 17 Jun 2019 15:47:56 +0000 (15:47 +0000)
commit705ca4d2d6a3ded229953320d27e01487db77873
treee243cc8051c3c9ee5f4e76a6d400e3fa767bbefb
parent19c44009abd4b60c621f61a66a7b5ec4b948f730
vendor.xilinx_{7series,spartan6}: emit IBUF/OBUF explicitly.

Do this to make sure all buffers, tristate/differential or not, are
instantiated the exact same way, and are subject to the same set of
toolchain bugs, if any.
nmigen/vendor/xilinx_7series.py
nmigen/vendor/xilinx_spartan6.py