caiyu/nextpnr
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2,871 Commits 22 Branches 7 Tags 17 MiB
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28 Commits

Author SHA1 Message Date
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
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
54539b8519 nexus: Larger DSP tweaks 
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
e6c2887773 nexus: Basic support for carries 
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
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
cbf99d5e53 nexus: LUTRAM support 
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
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
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
df3866a800 nexus: Add IO packing 
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
a586bfc290 nexus: Support Lattice-style parameters 
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
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
eb15463406 nexus: Add routing FASM export 
Signed-off-by: David Shah <dave@ds0.me>
 2020-11-30 08:45:27 +00:00