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vendor: use nextpnr -12k for -12F devices; remove theoretical devices

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nextpnr now supports -12k; which replaces the use of -25k and --idcode
together to build bitstreams compatible with -12F devices. Use this.

This also removes the LFEUM-12K and its 5G counterpart; as per Dave Shah
they're currently only theoretical FPGAs.
This commit is contained in:
Kate Temkin 2020-04-20 16:25:50 -06:00 committed by whitequark
parent ff6c0327a7
commit 0e18429fb7
1 changed files with 1 additions and 3 deletions
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4
nmigen/vendor/lattice_ecp5.py vendored
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@ -71,15 +71,13 @@ class LatticeECP5Platform(TemplatedPlatform):
# Trellis templates
_nextpnr_device_options = {
"LFE5U-12F": "--25k",
"LFE5U-12F": "--12k",
"LFE5U-25F": "--25k",
"LFE5U-45F": "--45k",
"LFE5U-85F": "--85k",
"LFE5UM-12F": "--um-25k",
"LFE5UM-25F": "--um-25k",
"LFE5UM-45F": "--um-45k",
"LFE5UM-85F": "--um-85k",
"LFE5UM5G-12F": "--um5g-25k",
"LFE5UM5G-25F": "--um5g-25k",
"LFE5UM5G-45F": "--um5g-45k",
"LFE5UM5G-85F": "--um5g-85k",