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authorEddie Hung <eddie@fpgeh.com>2019-12-31 18:29:29 -0800
committerEddie Hung <eddie@fpgeh.com>2019-12-31 18:29:29 -0800
commitb2046a2114add3d24c0affd9d885b7ee320dba27 (patch)
tree75a46fc4bbc21f18eccda3986d295590a5795a26 /techlibs/ecp5/abc9_map.v
parent96db05aaefd970c819ba1f75b7246c5958527b8b (diff)
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Cleanup ecp5 boxes
Diffstat (limited to 'techlibs/ecp5/abc9_map.v')
-rw-r--r--techlibs/ecp5/abc9_map.v19
1 files changed, 11 insertions, 8 deletions
diff --git a/techlibs/ecp5/abc9_map.v b/techlibs/ecp5/abc9_map.v
index d8d70f9f6..113a35b91 100644
--- a/techlibs/ecp5/abc9_map.v
+++ b/techlibs/ecp5/abc9_map.v
@@ -1,24 +1,27 @@
// ---------------------------------------
+// Attach a (combinatorial) black-box onto the output
+// of this LUTRAM primitive to capture its
+// asynchronous read behaviour
module TRELLIS_DPR16X4 (
- input [3:0] DI,
- input [3:0] WAD,
- input WRE,
- input WCK,
- input [3:0] RAD,
+ (* 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 ;
+ wire [3:0] $DO;
TRELLIS_DPR16X4 #(
.WCKMUX(WCKMUX), .WREMUX(WREMUX), .INITVAL(INITVAL)
) _TECHMAP_REPLACE_ (
.DI(DI), .WAD(WAD), .WRE(WRE), .WCK(WCK),
- .RAD(RAD), .DO(\$DO )
+ .RAD(RAD), .DO($DO)
);
- \$__ABC9_DPR16X4_COMB do (.A(\$DO ), .S(RAD), .Y(DO));
+ $__ABC9_DPR16X4_COMB do (.$DO($DO), .RAD(RAD), .DO(DO));
endmodule