From b2046a2114add3d24c0affd9d885b7ee320dba27 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Tue, 31 Dec 2019 18:29:29 -0800 Subject: [PATCH] Cleanup ecp5 boxes --- techlibs/ecp5/abc9_5g.box | 41 ++++++++++++++++---------------------- techlibs/ecp5/abc9_map.v | 19 ++++++++++-------- techlibs/ecp5/abc9_model.v | 2 +- techlibs/ecp5/abc9_unmap.v | 4 ++-- 4 files changed, 31 insertions(+), 35 deletions(-) diff --git a/techlibs/ecp5/abc9_5g.box b/techlibs/ecp5/abc9_5g.box index 2bc945a54..5c7f52ab1 100644 --- a/techlibs/ecp5/abc9_5g.box +++ b/techlibs/ecp5/abc9_5g.box @@ -1,43 +1,36 @@ -# NB: Inputs/Outputs must be ordered alphabetically -# (with exceptions for carry in/out) +# NB: Box inputs/outputs must each be in the same order +# as their corresponding module definition +# (with exceptions detailed below) # Box 1 : CCU2C (2xCARRY + 2xLUT4) -# Outputs: S0, S1, COUT -# (NB: carry chain input/output must be last -# input/output and bus has been moved -# there overriding the otherwise +# (Exception: carry chain input/output must be the +# last input and output and the entire bus has been +# moved there overriding the otherwise # alphabetical ordering) # name ID w/b ins outs CCU2C 1 1 9 3 - -#A0 A1 B0 B1 C0 C1 D0 D1 CIN -379 - 379 - 275 - 141 - 257 -630 379 630 379 526 275 392 141 273 -516 516 516 516 412 412 278 278 43 +#A0 B0 C0 D0 A1 B1 C1 D1 CIN +379 379 275 141 - - - - 257 # S0 +630 630 526 392 379 379 275 141 273 # S1 +516 516 412 278 516 516 412 278 43 # COUT # Box 2 : TRELLIS_DPR16X4_COMB (16x4 dist ram) -# Outputs: DO0, DO1, DO2, DO3 # name ID w/b ins outs $__ABC9_DPR16X4_COMB 2 0 8 4 - -#A0 A1 A2 A3 RAD0 RAD1 RAD2 RAD3 -0 0 0 0 141 379 275 379 -0 0 0 0 141 379 275 379 -0 0 0 0 141 379 275 379 -0 0 0 0 141 379 275 379 +#$D0 $D1 $D2 $D3 RAD0 RAD1 RAD2 RAD3 +0 0 0 0 141 379 275 379 # DO0 +0 0 0 0 141 379 275 379 # DO1 +0 0 0 0 141 379 275 379 # DO2 +0 0 0 0 141 379 275 379 # DO3 # Box 3 : PFUMX (MUX2) -# Outputs: Z # name ID w/b ins outs PFUMX 3 1 3 1 - #ALUT BLUT C0 -98 98 151 +98 98 151 # Z # Box 4 : L6MUX21 (MUX2) -# Outputs: Z # name ID w/b ins outs L6MUX21 4 1 3 1 - #D0 D1 SD -140 141 148 +140 141 148 # Z 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 diff --git a/techlibs/ecp5/abc9_model.v b/techlibs/ecp5/abc9_model.v index 1dc8b5617..81e5cd070 100644 --- a/techlibs/ecp5/abc9_model.v +++ b/techlibs/ecp5/abc9_model.v @@ -1,5 +1,5 @@ // --------------------------------------- (* abc9_box_id=2 *) -module \$__ABC9_DPR16X4_COMB (input [3:0] A, S, output [3:0] Y); +module \$__ABC9_DPR16X4_COMB (input [3:0] $DO, RAD, output [3:0] DO); endmodule diff --git a/techlibs/ecp5/abc9_unmap.v b/techlibs/ecp5/abc9_unmap.v index 9ae143c46..cbdffdaf1 100644 --- a/techlibs/ecp5/abc9_unmap.v +++ b/techlibs/ecp5/abc9_unmap.v @@ -1,5 +1,5 @@ // --------------------------------------- -module \$__ABC9_DPR16X4_COMB (input [3:0] A, S, output [3:0] Y); - assign Y = A; +module \$__ABC9_DPR16X4_COMB (input [3:0] $DO, RAD, output [3:0] DO); + assign DO = $DO; endmodule -- 2.30.2