Sylvain Munaut f50d4c1ed1 ice40: Support for undriven / unconnected output ports ...

If a port specified as output (and thus had a $nextpnr_obuf inserted)
is undriven (const `z` or const `x`), we make sure to not enable
the output driver. Also enable pull-ups if it was requested by the user.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>

2023-01-29 22:35:19 +01:00

..

benchmark

Fixing old emails and names in copyrights

2021-06-12 13:22:38 +01:00

carry_tests

ice40: Fixing carry chain legaliser

2018-06-26 16:23:10 +02:00

examples

Add deprecation warning for default packages

2019-08-08 21:35:55 +01:00

pack_tests

ice40: Add a PCF parser

2018-06-13 12:30:15 +02:00

smoketest/attosoc

ci: Restructure and move entirely to GH actions from Cirrus

2022-04-08 18:42:39 +01:00

.gitignore

Update git ignore locations

2020-06-27 13:18:06 +02:00

arch_place.cc

ice40: Add debugs to isBelLocationValid for SB_IO

2022-12-07 10:32:38 +01:00

arch_pybindings.cc

Fixing old emails and names in copyrights

2021-06-12 13:22:38 +01:00

arch_pybindings.h

Fixing old emails and names in copyrights

2021-06-12 13:22:38 +01:00

arch.cc

refactor: ArcBounds -> BoundingBox

2022-12-07 10:00:53 +01:00

arch.h

api: add explain_invalid option to isBelLocationValid

2022-12-07 10:27:58 +01:00

archdefs.h

Correct Not Equal operator implementation in ice40

2022-10-17 01:19:51 -07:00

bitstream.cc

ice40: Fix handling of carry out route-thru via 25,14

2022-09-26 09:33:38 +02:00

bitstream.h

Fixing old emails and names in copyrights

2021-06-12 13:22:38 +01:00

cells.cc

ice40: Support for undriven / unconnected output ports

2023-01-29 22:35:19 +01:00

cells.h

refactor: Use IdString::in instead of || chains

2022-08-10 18:58:22 +01:00

chains.cc

ice40: Avoid chain finder from mixing up chains by only allowing I3 chaining at end

2022-04-11 18:46:44 +01:00

chains.h

Fixing old emails and names in copyrights

2021-06-12 13:22:38 +01:00

chipdb.py

ice40: Fix wirenames containing / which is the list separator

2022-03-30 20:57:00 +01:00

CMakeLists.txt

Use CMake's Python3 rather than PythonInterp in subdirs

2022-08-21 17:48:01 +01:00

constids.inc

refactor: Use constids instead of id("..")

2022-02-16 17:09:54 +00:00

delay.cc

archapi: Use arbitrary rather than actual placement in predictDelay

2021-12-19 17:15:15 +00:00

family.cmake

Simplify and improve chipdb embedding/loading.

2020-06-26 08:36:07 +00:00

gfx.cc

Fixing old emails and names in copyrights

2021-06-12 13:22:38 +01:00

gfx.h

Fixing old emails and names in copyrights

2021-06-12 13:22:38 +01:00

icebreaker.pcf

Fixing implementation of constants

2018-06-13 14:01:42 +02:00

icebreaker.v

Fixing implementation of constants

2018-06-13 14:01:42 +02:00

icebreaker.ys

ice40: Pack constants to LCs

2018-06-12 13:09:36 +02:00

main.cc

refactor: Use constids instead of id("..")

2022-02-16 17:09:54 +00:00

pack.cc

refactor: Use IdString::in instead of || chains

2022-08-10 18:58:22 +01:00

pcf.cc

refactor: Use constids instead of id("..")

2022-02-16 17:09:54 +00:00

pcf.h

Fixing old emails and names in copyrights

2021-06-12 13:22:38 +01:00

picorv32_benchmark.py

timing_opt: Improve heuristics

2018-12-06 10:53:01 +00:00

picorv32_top.v

Add picorv32_top module with fewer IO pins

2018-06-13 17:38:34 +02:00

picorv32.proj

Fix warnings and status

2018-07-21 12:22:41 +02:00

picorv32.sh

Refactoring of router1

2018-07-21 17:02:53 +02:00

tmfuzz.py

Add new iCE40 delay estimator and delay predictor

2018-08-04 19:50:49 +02:00