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219 Commits

Author SHA1 Message Date
Keith Rothman
da74a425d2 Run "make clangformat". 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-02 07:44:49 -08:00
Keith Rothman
9089ee2d16 Add pybindings for new APIs. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-02 07:43:36 -08:00
Keith Rothman
9fe546f279 Rename Partition -> BelBucket. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-02 07:34:56 -08:00
Keith Rothman
0338368afa Add Partition APIs to ice40, nexus, gowin archs. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-02 07:34:56 -08:00
Keith Rothman
2285c8dbbd Initial refactoring of placer API. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-02 07:34:56 -08:00
Keith Rothman
5cf2f8d1ea Seperate PipRange types in pybindings_shared. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-01 10:23:21 -08:00
D. Shah
94e8847d67 cleanup: Spelling fixes 
Signed-off-by: D. Shah <dave@ds0.me>
 2021-01-28 15:19:06 +00:00
D. Shah
5fc3e8e4d2 cleanup: Fix compiler warnings 
Signed-off-by: D. Shah <dave@ds0.me>
 2021-01-28 15:02:08 +00:00
D. Shah
b87ab0ee9d Make RelSlice uncopyable 
Signed-off-by: D. Shah <dave@ds0.me>
 2021-01-27 20:49:14 +00:00
D. Shah
75ee2fc4e6 Move RelPtr/RelSlice out of arches into common 
The bba approach seems widely used enough that it's reasonable for this
to become part of common code.

Signed-off-by: D. Shah <dave@ds0.me>
 2021-01-27 20:43:01 +00:00
D. Shah
e049d5f2fc nexus: Switch from RelPtr to RelSlice 
This replaces RelPtrs and a separate length field with a Rust-style
slice containing both a pointer and a length; with bounds checking
always enforced.

Thus iterating over these structures is both cleaner and safer.

Signed-off-by: D. Shah <dave@ds0.me>
 2021-01-27 17:24:01 +00:00
David Shah
2c6caf4a9a nexus: Add MULTADDSUB9X9WIDE support 
Signed-off-by: David Shah <dave@ds0.me>
 2020-12-08 15:49:48 +00:00
David Shah
588042dc99 nexus: Fix LRAM pin types 
Signed-off-by: David Shah <dave@ds0.me>
 2020-12-07 13:26:45 +00:00
David Shah
f923d32620 nexus: Add support for initialised LRAM 
Signed-off-by: David Shah <dave@ds0.me>
 2020-12-07 11:57:10 +00:00
David Shah
270efdca85 nexus: Add basic LRAM support (no init) 
Signed-off-by: David Shah <dave@ds0.me>
 2020-12-02 17:07:34 +00:00
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
567166aece nexus: Fix db integrity check 
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
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
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
David Shah
e8e6316f88 nexus: EBR fixes 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
27ecaf3e88 nexus: EBR FASM generation 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
4503608c7c nexus: Add packing rules for BRAM 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
8d1678f0ef nexus: Add stub GUI 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
70749b37d0 nexus: Fix Python bindings 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
1e4eb5ec39 nexus: Ignore some PDC commands 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
cbf99d5e53 nexus: LUTRAM support 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
dfd6b6e39e nexus: Add a simple global routing pass 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
40441d83cd nexus: Promote and place global buffers 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
c80144b7f0 nexus: Generate FASM files that can be used standalone 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
901bf2bb1e nexus: Update for new monolithic prjoxide 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
9affda5626 nexus: Build and embed chipdb automatically 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
7645354917 nexus: More global placement infrastructure 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
2df4d212c3 nexus: Bel search function for DCC placement 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
da1e3c8612 nexus: Add constant/inversion packing 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
1bb509897c nexus: More pin styles and FASM pinmux gen 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
0eb5c72cc5 nexus: Refactor cell pin style db 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
7f03f4d896 nexus: Tidy up FASM backend 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
d849e2f8b4 nexus: Fix PDC string handling 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
af3af59df4 nexus: Use tilegroups for IO bitgen 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
10ad7d9cfe nexus: IO packing fix 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
df3866a800 nexus: Add IO packing 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
518ead2e2d nexus: IO pre-packing 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
69b449c875 nexus: Initial PDC parser integration 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
12013b4c1f nexus: Lookup of package and IO pins 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
e2de234ef1 nexus: Add pin/pad data to bba 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
e203bd3a2b nexus: Skeleton of PDC parser 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
0a1afe1f79 nexus: Infrastructure for constant/inv handling 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
2f822a3b79 nexus: Packing helper functions 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
46536773f4 nexus: Rework how constant pins work 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
acb4cf9ead nexus: Update to planned IO fields 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
75040cdbdf nexus: Randomise delay to stop router from getting stuck 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
53d1c2c309 nexus: Fix validity checking 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
682351df7f nexus: Updates and fixes 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
e54aa836a4 nexus: Updates 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
2b13b24cbe nexus: Bring up to date 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
a586bfc290 nexus: Support Lattice-style parameters 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
84d5426242 nexus: Working on validity checking 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
887d7c717b nexus: Adding pin definitions 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
46010f33ad nexus: Globals and naming fixes 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
b5d46a0235 nexus: Add Python bindings 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
a280f893d4 nexus: Add oscillator support 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
f8f3ee06c7 nexus: Add SEIO18 support 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
44f98c545b nexus: Add global networks 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
140baf7037 nexus: Globals implementation 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
3c8a740374 nexus: Add global info to BBA 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
2fc75bae79 nexus: Fix FF naming 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
ee4e30ce8b nexus/fasm: Fix SLICE lettering 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
1ff42e9936 nexus: Fixes 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
cef0e1db8f nexus: Minimal IO FASM output 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
689922bc21 nexus: Add FASM export for comb logic and FFs 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
2c49f812d9 nexus: Add packing framework 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
eb15463406 nexus: Add routing FASM export 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
8e53b35fcc nexus/arch: Add tile loc flags and package structs 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
871f3c66bc nexus: Logic tile validity check functions 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
b00595f3da nexus: Add constids 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
1e940323b0 nexus: Add main 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
259659c838 nexus: Add more placeholder Arch functions 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
65a59e9dcc nexus: Implement bel, wire and pip Arch functions 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
ae1a486520 Add Arch constructor 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
35de36dd59 Implementing some Arch functions 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
c7f00b4760 nexus: Add iterator types based on nextpnr-xilinx 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
60c6510b3b nexus: Arch utilities 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00
David Shah
54e0ef9cf7 Adding archdefs and bba PODs 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00