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| author | Eddie Hung <eddie@fpgeh.com> | 2020-05-18 08:06:50 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-18 08:06:50 -0700 |
| commit | 2d573a0ff680eb9f38358943fbf134f765ba1451 (patch) | |
| tree | f68589c127fcb0972636699b888252972ed63385 /techlibs/ecp5/abc9_map.v | |
| parent | fa8cb3e35da68ceb55a9147bc1faacf68ad8bbfa (diff) | |
| parent | 67fc0c3698693f049e805211c49d6219f17d7c7d (diff) | |
| download | yosys-2d573a0ff680eb9f38358943fbf134f765ba1451.tar.gz yosys-2d573a0ff680eb9f38358943fbf134f765ba1451.tar.bz2 yosys-2d573a0ff680eb9f38358943fbf134f765ba1451.zip | |
Merge pull request #1926 from YosysHQ/eddie/abc9_auto_dff
abc9: support seq synthesis when module has (* abc9_flop *) and bypass non-combinatorial (* abc9_box *)
Diffstat (limited to 'techlibs/ecp5/abc9_map.v')
| -rw-r--r-- | techlibs/ecp5/abc9_map.v | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/techlibs/ecp5/abc9_map.v b/techlibs/ecp5/abc9_map.v deleted file mode 100644 index 113a35b91..000000000 --- a/techlibs/ecp5/abc9_map.v +++ /dev/null @@ -1,27 +0,0 @@ -// --------------------------------------- - -// Attach a (combinatorial) black-box onto the output -// of this LUTRAM primitive to capture its -// asynchronous read behaviour -module TRELLIS_DPR16X4 ( - (* techmap_autopurge *) input [3:0] DI, - (* techmap_autopurge *) input [3:0] WAD, - (* techmap_autopurge *) input WRE, - (* techmap_autopurge *) input WCK, - (* techmap_autopurge *) input [3:0] RAD, - output [3:0] DO -); - parameter WCKMUX = "WCK"; - parameter WREMUX = "WRE"; - parameter [63:0] INITVAL = 64'h0000000000000000; - wire [3:0] $DO; - - TRELLIS_DPR16X4 #( - .WCKMUX(WCKMUX), .WREMUX(WREMUX), .INITVAL(INITVAL) - ) _TECHMAP_REPLACE_ ( - .DI(DI), .WAD(WAD), .WRE(WRE), .WCK(WCK), - .RAD(RAD), .DO($DO) - ); - - $__ABC9_DPR16X4_COMB do (.$DO($DO), .RAD(RAD), .DO(DO)); -endmodule |