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authorEddie Hung <eddie@fpgeh.com>2020-03-04 12:04:02 -0800
committerEddie Hung <eddie@fpgeh.com>2020-03-04 12:04:02 -0800
commit7b543fdb0cbd45dcf2d3322518cc02a01cc1e43f (patch)
treeab1520d1aa2b19eb44cb46611b425431567ca0b0 /techlibs
parent512596760b947a9ac9088856490970d0930dd951 (diff)
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xilinx: consider DSP48E1.ADREG
Diffstat (limited to 'techlibs')
-rw-r--r--techlibs/xilinx/abc9_map.v1
-rw-r--r--techlibs/xilinx/abc9_model.v5
-rw-r--r--techlibs/xilinx/abc9_unmap.v1
-rw-r--r--techlibs/xilinx/cells_sim.v6
4 files changed, 8 insertions, 5 deletions
diff --git a/techlibs/xilinx/abc9_map.v b/techlibs/xilinx/abc9_map.v
index 81bcc8ac9..81f8a1d42 100644
--- a/techlibs/xilinx/abc9_map.v
+++ b/techlibs/xilinx/abc9_map.v
@@ -772,6 +772,7 @@ module DSP48E1 (
.RSTP(RSTP)
);
$__ABC9_DSP48E1 #(
+ .ADREG(ADREG),
.AREG(AREG),
.BREG(BREG),
.CREG(CREG),
diff --git a/techlibs/xilinx/abc9_model.v b/techlibs/xilinx/abc9_model.v
index 333ac17c0..2d109ef8a 100644
--- a/techlibs/xilinx/abc9_model.v
+++ b/techlibs/xilinx/abc9_model.v
@@ -107,6 +107,7 @@ module $__ABC9_DSP48E1 (
output [47:0] P,
output [47:0] PCOUT
);
+ parameter integer ADREG = 1;
parameter integer AREG = 1;
parameter integer BREG = 1;
parameter integer CREG = 1;
@@ -176,7 +177,7 @@ module $__ABC9_DSP48E1 (
// Identical comb delays to DSP48E1 in cells_sim.v
generate
- if (PREG == 0 && MREG == 0 && AREG == 0)
+ if (PREG == 0 && MREG == 0 && AREG == 0 && ADREG == 0)
specify
($A *> P) = \A.P.comb ();
($A *> PCOUT) = \A.PCOUT.comb ();
@@ -194,7 +195,7 @@ module $__ABC9_DSP48E1 (
($C *> PCOUT) = \C.PCOUT.comb ();
endspecify
- if (PREG == 0 && MREG == 0 && DREG == 0)
+ if (PREG == 0 && MREG == 0 && ADREG == 0 && DREG == 0)
specify
($D *> P) = \D.P.comb ();
($D *> PCOUT) = \D.PCOUT.comb ();
diff --git a/techlibs/xilinx/abc9_unmap.v b/techlibs/xilinx/abc9_unmap.v
index b8d0c4dc0..5604ceb0a 100644
--- a/techlibs/xilinx/abc9_unmap.v
+++ b/techlibs/xilinx/abc9_unmap.v
@@ -47,6 +47,7 @@ module $__ABC9_DSP48E1(
output [47:0] P,
output [47:0] PCOUT
);
+ parameter integer ADREG = 1;
parameter integer AREG = 1;
parameter integer BREG = 1;
parameter integer CREG = 1;
diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v
index b76055b84..63223afbf 100644
--- a/techlibs/xilinx/cells_sim.v
+++ b/techlibs/xilinx/cells_sim.v
@@ -3231,7 +3231,7 @@ module DSP48E1 (
endfunction
generate
- if (PREG == 0 && MREG == 0 && AREG == 0)
+ if (PREG == 0 && MREG == 0 && AREG == 0 && ADREG == 0)
specify
(A *> P) = \A.P.comb ();
(A *> PCOUT) = \A.PCOUT.comb ();
@@ -3264,7 +3264,7 @@ module DSP48E1 (
$setup(C, negedge CLK &&& IS_CLK_INVERTED, \C.required () );
endspecify
- if (PREG == 0 && MREG == 0 && DREG == 0)
+ if (PREG == 0 && MREG == 0 && ADREG == 0 && DREG == 0)
specify
(D *> P) = \D.P.comb ();
(D *> PCOUT) = \D.PCOUT.comb ();
@@ -3286,7 +3286,7 @@ module DSP48E1 (
$setup(PCIN, negedge CLK &&& IS_CLK_INVERTED, USE_PATTERN_DETECT != "NO_PATDET" ? 1315 : 1025);
endspecify
- if (PREG || AREG || BREG || CREG || DREG || MREG)
+ if (PREG || AREG || ADREG || BREG || CREG || DREG || MREG)
specify
if (!IS_CLK_INVERTED && CEP) (posedge CLK => (P : 48'bx)) = \P.arrival () ;
if ( IS_CLK_INVERTED && CEP) (negedge CLK => (P : 48'bx)) = \P.arrival () ;