Merge pull request #1445 from YosysHQ/mwk/xilinx_ibufg

xilinx: Add simulation model for IBUFG.

techlibs/xilinx/cells_sim.v

@@ -38,6 +38,17 @@ module IBUF(
   assign O = I;
 endmodule
 
+module IBUFG(
+    output O,
+    (* iopad_external_pin *)
+    input I);
+  parameter CAPACITANCE = "DONT_CARE";
+  parameter IBUF_DELAY_VALUE = "0";
+  parameter IBUF_LOW_PWR = "TRUE";
+  parameter IOSTANDARD = "DEFAULT";
+  assign O = I;
+endmodule
+
 module OBUF(
     (* iopad_external_pin *)
     output O,

techlibs/xilinx/cells_xtra.py

@@ -53,7 +53,7 @@ XC6S_CELLS = [
     # Cell('IBUF', port_attrs={'I': ['iopad_external_pin']}),
     Cell('IBUFDS', port_attrs={'I': ['iopad_external_pin'], 'IB': ['iopad_external_pin']}),
     Cell('IBUFDS_DIFF_OUT', port_attrs={'I': ['iopad_external_pin'], 'IB': ['iopad_external_pin']}),
-    Cell('IBUFG', port_attrs={'I': ['iopad_external_pin']}),
+    # Cell('IBUFG', port_attrs={'I': ['iopad_external_pin']}),
     Cell('IBUFGDS', port_attrs={'I': ['iopad_external_pin'], 'IB': ['iopad_external_pin']}),
     Cell('IBUFGDS_DIFF_OUT', port_attrs={'I': ['iopad_external_pin'], 'IB': ['iopad_external_pin']}),
     Cell('IOBUF', port_attrs={'IO': ['iopad_external_pin']}),
@@ -174,7 +174,7 @@ XC6V_CELLS = [
     Cell('IBUFDS', port_attrs={'I': ['iopad_external_pin'], 'IB': ['iopad_external_pin']}),
     Cell('IBUFDS_DIFF_OUT', port_attrs={'I': ['iopad_external_pin'], 'IB': ['iopad_external_pin']}),
     Cell('IBUFDS_GTHE1', port_attrs={'I': ['iopad_external_pin'], 'IB': ['iopad_external_pin']}),
-    Cell('IBUFG', port_attrs={'I': ['iopad_external_pin']}),
+    # Cell('IBUFG', port_attrs={'I': ['iopad_external_pin']}),
     Cell('IBUFGDS', port_attrs={'I': ['iopad_external_pin'], 'IB': ['iopad_external_pin']}),
     Cell('IBUFGDS_DIFF_OUT', port_attrs={'I': ['iopad_external_pin'], 'IB': ['iopad_external_pin']}),
     Cell('IDELAYCTRL', keep=True, port_attrs={'REFCLK': ['clkbuf_sink']}),
@@ -307,7 +307,7 @@ XC7_CELLS = [
     Cell('IBUFDS_GTE2', port_attrs={'I': ['iopad_external_pin'], 'IB': ['iopad_external_pin']}),
     Cell('IBUFDS_IBUFDISABLE', port_attrs={'I': ['iopad_external_pin'], 'IB': ['iopad_external_pin']}),
     Cell('IBUFDS_INTERMDISABLE', port_attrs={'I': ['iopad_external_pin'], 'IB': ['iopad_external_pin']}),
-    Cell('IBUFG', port_attrs={'I': ['iopad_external_pin']}),
+    # Cell('IBUFG', port_attrs={'I': ['iopad_external_pin']}),
     Cell('IBUFGDS', port_attrs={'I': ['iopad_external_pin'], 'IB': ['iopad_external_pin']}),
     Cell('IBUFGDS_DIFF_OUT', port_attrs={'I': ['iopad_external_pin'], 'IB': ['iopad_external_pin']}),
     Cell('IDELAYCTRL', keep=True, port_attrs={'REFCLK': ['clkbuf_sink']}),

techlibs/xilinx/xc6s_cells_xtra.v

@@ -1282,16 +1282,6 @@ module IBUFDS_DIFF_OUT (...);
     input IB;
 endmodule
 
-module IBUFG (...);
-    parameter CAPACITANCE = "DONT_CARE";
-    parameter IBUF_DELAY_VALUE = "0";
-    parameter IBUF_LOW_PWR = "TRUE";
-    parameter IOSTANDARD = "DEFAULT";
-    output O;
-    (* iopad_external_pin *)
-    input I;
-endmodule
-
 module IBUFGDS (...);
     parameter CAPACITANCE = "DONT_CARE";
     parameter DIFF_TERM = "FALSE";

techlibs/xilinx/xc6v_cells_xtra.v

@@ -1821,16 +1821,6 @@ module IBUFDS_GTHE1 (...);
     input IB;
 endmodule
 
-module IBUFG (...);
-    parameter CAPACITANCE = "DONT_CARE";
-    parameter IBUF_DELAY_VALUE = "0";
-    parameter IBUF_LOW_PWR = "TRUE";
-    parameter IOSTANDARD = "DEFAULT";
-    output O;
-    (* iopad_external_pin *)
-    input I;
-endmodule
-
 module IBUFGDS (...);
     parameter CAPACITANCE = "DONT_CARE";
     parameter DIFF_TERM = "FALSE";

techlibs/xilinx/xc7_cells_xtra.v

@@ -3932,16 +3932,6 @@ module IBUFDS_INTERMDISABLE (...);
     input INTERMDISABLE;
 endmodule
 
-module IBUFG (...);
-    parameter CAPACITANCE = "DONT_CARE";
-    parameter IBUF_DELAY_VALUE = "0";
-    parameter IBUF_LOW_PWR = "TRUE";
-    parameter IOSTANDARD = "DEFAULT";
-    output O;
-    (* iopad_external_pin *)
-    input I;
-endmodule
-
 module IBUFGDS (...);
     parameter CAPACITANCE = "DONT_CARE";
     parameter DIFF_TERM = "FALSE";