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2,841 Commits 22 Branches 7 Tags 17 MiB
86e6a2225c
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Author SHA1 Message Date
David Shah
86e6a2225c nexus: Add PLL support 
Signed-off-by: David Shah <dave@ds0.me>
 2020-12-02 15:01:46 +00:00
David Shah
b666c85824 nexus: Add support for deriving timing constraints in packer 
Signed-off-by: David Shah <dave@ds0.me>
 2020-12-02 09:44:17 +00:00
David Shah
5a291e4622 nexus/pdc: Parse simple clock constraints 
Signed-off-by: David Shah <dave@ds0.me>
 2020-12-02 09:34:11 +00:00
David Shah
868902fbdf
Merge pull request #526 from YosysHQ/dave/router2-timing 
router2: Avoid ripup of critical path
 2020-12-01 12:51:02 +00:00
David Shah
62dde576e0
Merge pull request #525 from YosysHQ/dave/router2-tweaks 
router2: Improve thread safety
 2020-12-01 10:22:42 +00:00
David Shah
402819c64b router2: Avoid ripup of critical path 
Signed-off-by: David Shah <dave@ds0.me>
 2020-12-01 09:54:19 +00:00
David Shah
3503f4e907 router2: Make splitting of wires thread-safe 
Signed-off-by: David Shah <dave@ds0.me>
 2020-12-01 09:38:52 +00:00
David Shah
b6c91d1621 router2: Add per-thread rng 
Signed-off-by: David Shah <dave@ds0.me>
 2020-12-01 09:21:44 +00:00
Miodrag Milanović
8b5c0dc1e4
Merge pull request #524 from daveshah1/nextpnr-nexus 
Upstreaming basic support for Nexus devices
 2020-11-30 10:56:59 +01:00
David Shah
2fe8bebc6c nexus: Update docs and CMake 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:59:04 +00:00
David Shah
567166aece nexus: Fix db integrity check 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
bb50b54d80 nexus: Add to CI 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
ca73e14cf9 nexus: Add post-place LUTFF optimisation 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
f84850064f nexus: Improve error handling in global router 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
df3c6dfe3e nexus: Preliminary integration of DSP timing data 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
76543d05e7 nexus: Tweak heuristics to improve routeability 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
e3b3201d53 nexus: Clocked MULTADDSUB36X36 fix 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
5cf7f01169 nexus: Add MULTADDSUB36X36 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
f795527454 nexus: Add MULTADDSUB18X18 support 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
edd719c5c5 nexus: ACC54 definitions 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
91d746cfc8 nexus: Add DSP pre-adder support 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
fcde8e2d56 nexus: Fix DSP signed ports 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
54539b8519 nexus: Larger DSP tweaks 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
6b5277638b nexus: Fix slow routing around DSPs 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
160045a058 nexus: Fix validity checking when DSPs are used 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
d8e748bc58 nexus: Refactor DSP macro splitting to make it more generic 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
30c65931b2 nexus: Add support for clocked MULT9X9s 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
9203181625 nexus: Support for unclocked 9x9 multiplies 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
d9a19897c4 nexus: More DSP primitive config 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
094bf419d4 nexus: Miscellaneous DSP infrastructure 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
90608f2c89 nexus: Add some infrastructure for DSP packing 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
c7ad3cece6 nexus: Tweak delay heuristics 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
a69c595802 router1: Fix same-source-dest case 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
530d6ce9e9 nexus: Add EBR timing analysis 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
9b89a82573 nexus: Add LUTRAM and WIDEFN9 timing support 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
8c1f25cf31 timing: Add a few more cell types 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
6457b4ca7b nexus: Swap sort order to make some lookups easier 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
fa9194e3e2 nexus: Add cell delay lookup 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
963fd175ad nexus: Lookup speed grade and pip delays 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
4e5ad7feac nexus: Add timing structures to BBA 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
629a06b0ae nexus: Add error if device not specified 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
f41b4045d4 nexus: Add missing Q_MOC_RUN guard 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
3d41656168 nexus: Default EBR DWS pins to 1 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
0a59cbb8ce nexus: Use dedicated Vcc routing for OXIDE_COMB pins 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
e6c2887773 nexus: Basic support for carries 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
c89d830e16 nexus: Add WIDEFN9 support 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
00ff7c6cfe nexus: Default to router2 for now 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
5e90086d4f router2: Fix case where src and dst are the same 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
f8dca82a71 nexus: Basic support for differential IO types 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:28 +00:00
David Shah
f749038959 nexus: Improve placer config 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00