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-rw-r--r--examples/mimas2/run_yosys.ys3
-rw-r--r--passes/techmap/Makefile.inc1
-rw-r--r--passes/techmap/clkbufmap.cc299
-rw-r--r--passes/techmap/iopadmap.cc76
-rw-r--r--techlibs/xilinx/cells_sim.v16
-rw-r--r--techlibs/xilinx/cells_xtra.sh144
-rw-r--r--techlibs/xilinx/cells_xtra.v90
-rw-r--r--techlibs/xilinx/synth_xilinx.cc37
-rw-r--r--techlibs/xilinx/xc6s_brams_bb.v2
-rw-r--r--techlibs/xilinx/xc7_brams_bb.v2
10 files changed, 577 insertions, 93 deletions
diff --git a/examples/mimas2/run_yosys.ys b/examples/mimas2/run_yosys.ys
index b3204b1ca..b48877811 100644
--- a/examples/mimas2/run_yosys.ys
+++ b/examples/mimas2/run_yosys.ys
@@ -1,4 +1,3 @@
read_verilog example.v
-synth_xilinx -top example -family xc6s
-iopadmap -bits -outpad OBUF I:O -inpad IBUF O:I
+synth_xilinx -top example -family xc6s -ise
write_edif -pvector bra example.edif
diff --git a/passes/techmap/Makefile.inc b/passes/techmap/Makefile.inc
index 56f05eca4..631a80aa5 100644
--- a/passes/techmap/Makefile.inc
+++ b/passes/techmap/Makefile.inc
@@ -16,6 +16,7 @@ endif
ifneq ($(SMALL),1)
OBJS += passes/techmap/iopadmap.o
+OBJS += passes/techmap/clkbufmap.o
OBJS += passes/techmap/hilomap.o
OBJS += passes/techmap/extract.o
OBJS += passes/techmap/extract_fa.o
diff --git a/passes/techmap/clkbufmap.cc b/passes/techmap/clkbufmap.cc
new file mode 100644
index 000000000..9ecc83071
--- /dev/null
+++ b/passes/techmap/clkbufmap.cc
@@ -0,0 +1,299 @@
+/*
+ * yosys -- Yosys Open SYnthesis Suite
+ *
+ * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#include "kernel/yosys.h"
+#include "kernel/sigtools.h"
+
+USING_YOSYS_NAMESPACE
+PRIVATE_NAMESPACE_BEGIN
+
+void split_portname_pair(std::string &port1, std::string &port2)
+{
+ size_t pos = port1.find_first_of(':');
+ if (pos != std::string::npos) {
+ port2 = port1.substr(pos+1);
+ port1 = port1.substr(0, pos);
+ }
+}
+
+std::vector<std::string> split(std::string text, const char *delim)
+{
+ std::vector<std::string> list;
+ char *p = strdup(text.c_str());
+ char *t = strtok(p, delim);
+ while (t != NULL) {
+ list.push_back(t);
+ t = strtok(NULL, delim);
+ }
+ free(p);
+ return list;
+}
+
+struct ClkbufmapPass : public Pass {
+ ClkbufmapPass() : Pass("clkbufmap", "insert global buffers on clock networks") { }
+ void help() YS_OVERRIDE
+ {
+ log("\n");
+ log(" clkbufmap [options] [selection]\n");
+ log("\n");
+ log("Inserts global buffers between nets connected to clock inputs and their\n");
+ log("drivers.\n");
+ log("\n");
+ log(" -buf <celltype> <portname_out>:<portname_in>\n");
+ log(" Specifies the cell type to use for the global buffers\n");
+ log(" and its port names. The first port will be connected to\n");
+ log(" the clock network sinks, and the second will be connected\n");
+ log(" to the actual clock source. This option is required.\n");
+ log("\n");
+ log(" -inpad <celltype> <portname_out>:<portname_in>\n");
+ log(" If specified, a PAD cell of the given type is inserted on\n");
+ log(" clock nets that are also top module's inputs (in addition\n");
+ log(" to the global buffer).\n");
+ log("\n");
+ }
+
+ void module_queue(Design *design, Module *module, std::vector<Module *> &modules_sorted, pool<Module *> &modules_processed) {
+ if (modules_processed.count(module))
+ return;
+ for (auto cell : module->cells()) {
+ Module *submodule = design->module(cell->type);
+ if (!submodule)
+ continue;
+ module_queue(design, submodule, modules_sorted, modules_processed);
+ }
+ modules_sorted.push_back(module);
+ modules_processed.insert(module);
+ }
+
+ void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
+ {
+ log_header(design, "Executing CLKBUFMAP pass (inserting global clock buffers).\n");
+
+ std::string buf_celltype, buf_portname, buf_portname2;
+ std::string inpad_celltype, inpad_portname, inpad_portname2;
+
+ size_t argidx;
+ for (argidx = 1; argidx < args.size(); argidx++)
+ {
+ std::string arg = args[argidx];
+ if (arg == "-buf" && argidx+2 < args.size()) {
+ buf_celltype = args[++argidx];
+ buf_portname = args[++argidx];
+ split_portname_pair(buf_portname, buf_portname2);
+ continue;
+ }
+ if (arg == "-inpad" && argidx+2 < args.size()) {
+ inpad_celltype = args[++argidx];
+ inpad_portname = args[++argidx];
+ split_portname_pair(inpad_portname, inpad_portname2);
+ continue;
+ }
+ break;
+ }
+ extra_args(args, argidx, design);
+
+ if (buf_celltype.empty())
+ log_error("The -buf option is required.");
+
+ // Cell type, port name, bit index.
+ pool<pair<IdString, pair<IdString, int>>> sink_ports;
+ pool<pair<IdString, pair<IdString, int>>> buf_ports;
+
+ // Process submodules before module using them.
+ std::vector<Module *> modules_sorted;
+ pool<Module *> modules_processed;
+ for (auto module : design->selected_modules())
+ module_queue(design, module, modules_sorted, modules_processed);
+
+ for (auto module : modules_sorted)
+ {
+ if (module->get_blackbox_attribute()) {
+ auto it = module->attributes.find("\\clkbuf_driver");
+ if (it != module->attributes.end()) {
+ auto value = it->second.decode_string();
+ for (auto name : split(value, ",")) {
+ auto wire = module->wire(RTLIL::escape_id(name));
+ if (!wire)
+ log_error("Module %s does not have port %s.\n", log_id(module), log_id(name));
+ for (int i = 0; i < GetSize(wire); i++)
+ buf_ports.insert(make_pair(module->name, make_pair(RTLIL::escape_id(name), i)));
+ }
+ }
+ it = module->attributes.find("\\clkbuf_sink");
+ if (it != module->attributes.end()) {
+ auto value = it->second.decode_string();
+ for (auto name : split(value, ",")) {
+ auto wire = module->wire(RTLIL::escape_id(name));
+ if (!wire)
+ log_error("Module %s does not have port %s.\n", log_id(module), log_id(name));
+ for (int i = 0; i < GetSize(wire); i++)
+ sink_ports.insert(make_pair(module->name, make_pair(RTLIL::escape_id(name), i)));
+ }
+ }
+ continue;
+ }
+ pool<SigBit> sink_wire_bits;
+ pool<SigBit> buf_wire_bits;
+ pool<SigBit> driven_wire_bits;
+ SigMap sigmap(module);
+ // bit -> (buffer, buffer's input)
+ dict<SigBit, pair<Cell *, Wire *>> buffered_bits;
+
+ // First, collect nets that could use a clock buffer.
+ for (auto cell : module->cells())
+ for (auto port : cell->connections())
+ for (int i = 0; i < port.second.size(); i++)
+ if (sink_ports.count(make_pair(cell->type, make_pair(port.first, i))))
+ sink_wire_bits.insert(sigmap(port.second[i]));
+
+ // Second, collect ones that already have a clock buffer.
+ for (auto cell : module->cells())
+ for (auto port : cell->connections())
+ for (int i = 0; i < port.second.size(); i++)
+ if (buf_ports.count(make_pair(cell->type, make_pair(port.first, i))))
+ buf_wire_bits.insert(sigmap(port.second[i]));
+
+ // Collect all driven bits.
+ for (auto cell : module->cells())
+ for (auto port : cell->connections())
+ if (cell->output(port.first))
+ for (int i = 0; i < port.second.size(); i++)
+ driven_wire_bits.insert(port.second[i]);
+
+ // Insert buffers.
+ std::vector<pair<Wire *, Wire *>> input_queue;
+ for (auto wire : module->selected_wires())
+ {
+ // Should not happen.
+ if (wire->port_input && wire->port_output)
+ continue;
+ if (wire->get_bool_attribute("\\clkbuf_inhibit"))
+ continue;
+
+ pool<int> input_bits;
+
+ for (int i = 0; i < GetSize(wire); i++)
+ {
+ SigBit wire_bit(wire, i);
+ SigBit mapped_wire_bit = sigmap(wire_bit);
+ if (buf_wire_bits.count(mapped_wire_bit)) {
+ // Already buffered downstream. If this is an output, mark it.
+ if (wire->port_output)
+ buf_ports.insert(make_pair(module->name, make_pair(wire->name, i)));
+ } else if (!sink_wire_bits.count(mapped_wire_bit)) {
+ // Nothing to do.
+ } else if (driven_wire_bits.count(wire_bit) || (wire->port_input && module->get_bool_attribute("\\top"))) {
+ // Clock network not yet buffered, driven by one of
+ // our cells or a top-level input -- buffer it.
+
+ log("Inserting %s on %s.%s[%d].\n", buf_celltype.c_str(), log_id(module), log_id(wire), i);
+ RTLIL::Cell *cell = module->addCell(NEW_ID, RTLIL::escape_id(buf_celltype));
+ Wire *iwire = module->addWire(NEW_ID);
+ cell->setPort(RTLIL::escape_id(buf_portname), mapped_wire_bit);
+ cell->setPort(RTLIL::escape_id(buf_portname2), iwire);
+ if (wire->port_input && !inpad_celltype.empty() && module->get_bool_attribute("\\top")) {
+ log("Inserting %s on %s.%s[%d].\n", inpad_celltype.c_str(), log_id(module), log_id(wire), i);
+ RTLIL::Cell *cell2 = module->addCell(NEW_ID, RTLIL::escape_id(inpad_celltype));
+ cell2->setPort(RTLIL::escape_id(inpad_portname), iwire);
+ iwire = module->addWire(NEW_ID);
+ cell2->setPort(RTLIL::escape_id(inpad_portname2), iwire);
+ }
+ buffered_bits[mapped_wire_bit] = make_pair(cell, iwire);
+
+ if (wire->port_input) {
+ input_bits.insert(i);
+ }
+ } else if (wire->port_input) {
+ // A clock input in a submodule -- mark it, let higher level
+ // worry about it.
+ if (wire->port_input)
+ sink_ports.insert(make_pair(module->name, make_pair(wire->name, i)));
+ }
+ }
+ if (!input_bits.empty()) {
+ // This is an input port and some buffers were inserted -- we need
+ // to create a new input wire and transfer attributes.
+ Wire *new_wire = module->addWire(NEW_ID, wire);
+
+ for (int i = 0; i < wire->width; i++) {
+ SigBit wire_bit(wire, i);
+ SigBit mapped_wire_bit = sigmap(wire_bit);
+ auto it = buffered_bits.find(mapped_wire_bit);
+ if (it != buffered_bits.end()) {
+
+ module->connect(it->second.second, SigSpec(new_wire, i));
+ } else {
+ module->connect(SigSpec(wire, i), SigSpec(new_wire, i));
+ }
+ }
+ input_queue.push_back(make_pair(wire, new_wire));
+ }
+ }
+
+ // Mark any newly-buffered output ports as such.
+ for (auto wire : module->selected_wires()) {
+ if (wire->port_input || !wire->port_output)
+ continue;
+ for (int i = 0; i < GetSize(wire); i++)
+ {
+ SigBit wire_bit(wire, i);
+ SigBit mapped_wire_bit = sigmap(wire_bit);
+ if (buffered_bits.count(mapped_wire_bit))
+ buf_ports.insert(make_pair(module->name, make_pair(wire->name, i)));
+ }
+ }
+
+ // Reconnect the drivers to buffer inputs.
+ for (auto cell : module->cells())
+ for (auto port : cell->connections()) {
+ if (!cell->output(port.first))
+ continue;
+ SigSpec sig = port.second;
+ bool newsig = false;
+ for (auto &bit : sig) {
+ const auto it = buffered_bits.find(sigmap(bit));
+ if (it == buffered_bits.end())
+ continue;
+ // Avoid substituting buffer's own output pin.
+ if (cell == it->second.first)
+ continue;
+ bit = it->second.second;
+ newsig = true;
+ }
+ if (newsig)
+ cell->setPort(port.first, sig);
+ }
+
+ // This has to be done last, to avoid upsetting sigmap before the port reconnections.
+ for (auto &it : input_queue) {
+ Wire *wire = it.first;
+ Wire *new_wire = it.second;
+ module->swap_names(new_wire, wire);
+ wire->attributes.clear();
+ wire->port_id = 0;
+ wire->port_input = false;
+ wire->port_output = false;
+ }
+
+ module->fixup_ports();
+ }
+ }
+} ClkbufmapPass;
+
+PRIVATE_NAMESPACE_END
diff --git a/passes/techmap/iopadmap.cc b/passes/techmap/iopadmap.cc
index efcc082d5..e3d68ab0c 100644
--- a/passes/techmap/iopadmap.cc
+++ b/passes/techmap/iopadmap.cc
@@ -32,6 +32,19 @@ void split_portname_pair(std::string &port1, std::string &port2)
}
}
+std::vector<std::string> split(std::string text, const char *delim)
+{
+ std::vector<std::string> list;
+ char *p = strdup(text.c_str());
+ char *t = strtok(p, delim);
+ while (t != NULL) {
+ list.push_back(t);
+ t = strtok(NULL, delim);
+ }
+ free(p);
+ return list;
+}
+
struct IopadmapPass : public Pass {
IopadmapPass() : Pass("iopadmap", "technology mapping of i/o pads (or buffers)") { }
void help() YS_OVERRIDE
@@ -64,6 +77,11 @@ struct IopadmapPass : public Pass {
log(" of the tristate driver and the 2nd portname is the internal output\n");
log(" buffering the external signal.\n");
log("\n");
+ log(" -ignore <celltype> <portname>[:<portname>]*\n");
+ log(" Skips mapping inputs/outputs that are already connected to given\n");
+ log(" ports of the given cell. Can be used multiple times. This is in\n");
+ log(" addition to the cells specified as mapping targets.\n");
+ log("\n");
log(" -widthparam <param_name>\n");
log(" Use the specified parameter name to set the port width.\n");
log("\n");
@@ -88,6 +106,7 @@ struct IopadmapPass : public Pass {
std::string toutpad_celltype, toutpad_portname, toutpad_portname2, toutpad_portname3;
std::string tinoutpad_celltype, tinoutpad_portname, tinoutpad_portname2, tinoutpad_portname3, tinoutpad_portname4;
std::string widthparam, nameparam;
+ pool<pair<IdString, IdString>> ignore;
bool flag_bits = false;
size_t argidx;
@@ -127,6 +146,18 @@ struct IopadmapPass : public Pass {
split_portname_pair(tinoutpad_portname3, tinoutpad_portname4);
continue;
}
+ if (arg == "-ignore" && argidx+2 < args.size()) {
+ std::string ignore_celltype = args[++argidx];
+ std::string ignore_portname = args[++argidx];
+ std::string ignore_portname2;
+ while (!ignore_portname.empty()) {
+ split_portname_pair(ignore_portname, ignore_portname2);
+ ignore.insert(make_pair(RTLIL::escape_id(ignore_celltype), RTLIL::escape_id(ignore_portname)));
+
+ ignore_portname = ignore_portname2;
+ }
+ continue;
+ }
if (arg == "-widthparam" && argidx+1 < args.size()) {
widthparam = args[++argidx];
continue;
@@ -143,6 +174,28 @@ struct IopadmapPass : public Pass {
}
extra_args(args, argidx, design);
+ if (!inpad_portname2.empty())
+ ignore.insert(make_pair(RTLIL::escape_id(inpad_celltype), RTLIL::escape_id(inpad_portname2)));
+ if (!outpad_portname2.empty())
+ ignore.insert(make_pair(RTLIL::escape_id(outpad_celltype), RTLIL::escape_id(outpad_portname2)));
+ if (!inoutpad_portname2.empty())
+ ignore.insert(make_pair(RTLIL::escape_id(inoutpad_celltype), RTLIL::escape_id(inoutpad_portname2)));
+ if (!toutpad_portname3.empty())
+ ignore.insert(make_pair(RTLIL::escape_id(toutpad_celltype), RTLIL::escape_id(toutpad_portname3)));
+ if (!tinoutpad_portname4.empty())
+ ignore.insert(make_pair(RTLIL::escape_id(tinoutpad_celltype), RTLIL::escape_id(tinoutpad_portname4)));
+
+ for (auto module : design->modules())
+ {
+ auto it = module->attributes.find("\\iopad_external_pin");
+ if (it != module->attributes.end()) {
+ auto value = it->second.decode_string();
+ for (auto name : split(value, ",")) {
+ ignore.insert(make_pair(module->name, RTLIL::escape_id(name)));
+ }
+ }
+ }
+
for (auto module : design->selected_modules())
{
dict<IdString, pool<int>> skip_wires;
@@ -150,28 +203,11 @@ struct IopadmapPass : public Pass {
SigMap sigmap(module);
for (auto cell : module->cells())
- {
- if (cell->type == RTLIL::escape_id(inpad_celltype) && cell->hasPort(RTLIL::escape_id(inpad_portname2)))
- for (auto bit : sigmap(cell->getPort(RTLIL::escape_id(inpad_portname2))))
- skip_wire_bits.insert(bit);
-
- if (cell->type == RTLIL::escape_id(outpad_celltype) && cell->hasPort(RTLIL::escape_id(outpad_portname2)))
- for (auto bit : sigmap(cell->getPort(RTLIL::escape_id(outpad_portname2))))
- skip_wire_bits.insert(bit);
-
- if (cell->type == RTLIL::escape_id(inoutpad_celltype) && cell->hasPort(RTLIL::escape_id(inoutpad_portname2)))
- for (auto bit : sigmap(cell->getPort(RTLIL::escape_id(inoutpad_portname2))))
+ for (auto port : cell->connections())
+ if (ignore.count(make_pair(cell->type, port.first)))
+ for (auto bit : sigmap(port.second))
skip_wire_bits.insert(bit);
- if (cell->type == RTLIL::escape_id(toutpad_celltype) && cell->hasPort(RTLIL::escape_id(toutpad_portname3)))
- for (auto bit : sigmap(cell->getPort(RTLIL::escape_id(toutpad_portname3))))
- skip_wire_bits.insert(bit);
-
- if (cell->type == RTLIL::escape_id(tinoutpad_celltype) && cell->hasPort(RTLIL::escape_id(tinoutpad_portname4)))
- for (auto bit : sigmap(cell->getPort(RTLIL::escape_id(tinoutpad_portname4))))
- skip_wire_bits.insert(bit);
- }
-
if (!toutpad_celltype.empty() || !tinoutpad_celltype.empty())
{
dict<SigBit, pair<IdString, pool<IdString>>> tbuf_bits;
diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v
index 05e46b4e7..d5815ca77 100644
--- a/techlibs/xilinx/cells_sim.v
+++ b/techlibs/xilinx/cells_sim.v
@@ -42,10 +42,12 @@ module OBUF(output O, input I);
assign O = I;
endmodule
+(* clkbuf_driver = "O" *)
module BUFG(output O, input I);
assign O = I;
endmodule
+(* clkbuf_driver = "O" *)
module BUFGCTRL(
output O,
input I0, input I1,
@@ -72,6 +74,7 @@ assign O = S0_true ? I0_internal : (S1_true ? I1_internal : INIT_OUT);
endmodule
+(* clkbuf_driver = "O" *)
module BUFHCE(output O, input I, input CE);
parameter [0:0] INIT_OUT = 1'b0;
@@ -213,6 +216,7 @@ endmodule
`endif
+(* clkbuf_sink = "C" *)
module FDRE (output reg Q, input C, CE, D, R);
parameter [0:0] INIT = 1'b0;
parameter [0:0] IS_C_INVERTED = 1'b0;
@@ -225,6 +229,7 @@ module FDRE (output reg Q, input C, CE, D, R);
endcase endgenerate
endmodule
+(* clkbuf_sink = "C" *)
module FDSE (output reg Q, input C, CE, D, S);
parameter [0:0] INIT = 1'b1;
parameter [0:0] IS_C_INVERTED = 1'b0;
@@ -237,6 +242,7 @@ module FDSE (output reg Q, input C, CE, D, S);
endcase endgenerate
endmodule
+(* clkbuf_sink = "C" *)
module FDCE (output reg Q, input C, CE, D, CLR);
parameter [0:0] INIT = 1'b0;
parameter [0:0] IS_C_INVERTED = 1'b0;
@@ -251,6 +257,7 @@ module FDCE (output reg Q, input C, CE, D, CLR);
endcase endgenerate
endmodule
+(* clkbuf_sink = "C" *)
module FDPE (output reg Q, input C, CE, D, PRE);
parameter [0:0] INIT = 1'b1;
parameter [0:0] IS_C_INVERTED = 1'b0;
@@ -265,30 +272,35 @@ module FDPE (output reg Q, input C, CE, D, PRE);
endcase endgenerate
endmodule
+(* clkbuf_sink = "C" *)
module FDRE_1 (output reg Q, input C, CE, D, R);
parameter [0:0] INIT = 1'b0;
initial Q <= INIT;
always @(negedge C) if (R) Q <= 1'b0; else if(CE) Q <= D;
endmodule
+(* clkbuf_sink = "C" *)
module FDSE_1 (output reg Q, input C, CE, D, S);
parameter [0:0] INIT = 1'b1;
initial Q <= INIT;
always @(negedge C) if (S) Q <= 1'b1; else if(CE) Q <= D;
endmodule
+(* clkbuf_sink = "C" *)
module FDCE_1 (output reg Q, input C, CE, D, CLR);
parameter [0:0] INIT = 1'b0;
initial Q <= INIT;
always @(negedge C, posedge CLR) if (CLR) Q <= 1'b0; else if (CE) Q <= D;
endmodule
+(* clkbuf_sink = "C" *)
module FDPE_1 (output reg Q, input C, CE, D, PRE);
parameter [0:0] INIT = 1'b1;
initial Q <= INIT;
always @(negedge C, posedge PRE) if (PRE) Q <= 1'b1; else if (CE) Q <= D;
endmodule
+(* clkbuf_sink = "WCLK" *)
(* abc_box_id = 5, abc_scc_break="D,WE" *)
module RAM32X1D (
output DPO, SPO,
@@ -307,6 +319,7 @@ module RAM32X1D (
always @(posedge clk) if (WE) mem[a] <= D;
endmodule
+(* clkbuf_sink = "WCLK" *)
(* abc_box_id = 6, abc_scc_break="D,WE" *)
module RAM64X1D (
output DPO, SPO,
@@ -325,6 +338,7 @@ module RAM64X1D (
always @(posedge clk) if (WE) mem[a] <= D;
endmodule
+(* clkbuf_sink = "WCLK" *)
(* abc_box_id = 7, abc_scc_break="D,WE" *)
module RAM128X1D (
output DPO, SPO,
@@ -340,6 +354,7 @@ module RAM128X1D (
always @(posedge clk) if (WE) mem[A] <= D;
endmodule
+(* clkbuf_sink = "CLK" *)
module SRL16E (
output Q,
input A0, A1, A2, A3, CE, CLK, D
@@ -358,6 +373,7 @@ module SRL16E (
endgenerate
endmodule
+(* clkbuf_sink = "CLK" *)
module SRLC32E (
output Q,
output Q31,
diff --git a/techlibs/xilinx/cells_xtra.sh b/techlibs/xilinx/cells_xtra.sh
index 53b528820..3291e46a8 100644
--- a/techlibs/xilinx/cells_xtra.sh
+++ b/techlibs/xilinx/cells_xtra.sh
@@ -1,7 +1,12 @@
#!/bin/bash
set -e
-libdir="/opt/Xilinx/Vivado/2018.1/data/verilog/src"
+if [ -z "$1" ]
+then
+ libdir="/opt/Xilinx/Vivado/2018.1/data/verilog/src"
+else
+ libdir=$1
+fi
function xtract_cell_decl()
{
@@ -24,33 +29,33 @@ function xtract_cell_decl()
echo
# Design elements types listed in Xilinx UG953
- xtract_cell_decl BSCANE2
- # xtract_cell_decl BUFG
- xtract_cell_decl BUFGCE
- xtract_cell_decl BUFGCE_1
- #xtract_cell_decl BUFGCTRL
- xtract_cell_decl BUFGMUX
- xtract_cell_decl BUFGMUX_1
- xtract_cell_decl BUFGMUX_CTRL
- xtract_cell_decl BUFH
- #xtract_cell_decl BUFHCE
- xtract_cell_decl BUFIO
- xtract_cell_decl BUFMR
- xtract_cell_decl BUFMRCE
- xtract_cell_decl BUFR
+ xtract_cell_decl BSCANE2 "(* keep *)"
+ # xtract_cell_decl BUFG "(* clkbuf_driver = \"O\" *)"
+ xtract_cell_decl BUFGCE "(* clkbuf_driver = \"O\" *)"
+ xtract_cell_decl BUFGCE_1 "(* clkbuf_driver = \"O\" *)"
+ #xtract_cell_decl BUFGCTRL "(* clkbuf_driver = \"O\" *)"
+ xtract_cell_decl BUFGMUX "(* clkbuf_driver = \"O\" *)"
+ xtract_cell_decl BUFGMUX_1 "(* clkbuf_driver = \"O\" *)"
+ xtract_cell_decl BUFGMUX_CTRL "(* clkbuf_driver = \"O\" *)"
+ xtract_cell_decl BUFH "(* clkbuf_driver = \"O\" *)"
+ #xtract_cell_decl BUFHCE "(* clkbuf_driver = \"O\" *)"
+ xtract_cell_decl BUFIO "(* clkbuf_driver = \"O\" *)"
+ xtract_cell_decl BUFMR "(* clkbuf_driver = \"O\" *)"
+ xtract_cell_decl BUFMRCE "(* clkbuf_driver = \"O\" *)"
+ xtract_cell_decl BUFR "(* clkbuf_driver = \"O\" *)"
xtract_cell_decl CAPTUREE2 "(* keep *)"
# xtract_cell_decl CARRY4
- xtract_cell_decl CFGLUT5
+ xtract_cell_decl CFGLUT5 "(* clkbuf_sink = \"CLK\" *)"
xtract_cell_decl DCIRESET "(* keep *)"
xtract_cell_decl DNA_PORT
- xtract_cell_decl DSP48E1
+ xtract_cell_decl DSP48E1 "(* clkbuf_sink = \"CLK\" *)"
xtract_cell_decl EFUSE_USR
# xtract_cell_decl FDCE
# xtract_cell_decl FDPE
# xtract_cell_decl FDRE
# xtract_cell_decl FDSE
- xtract_cell_decl FIFO18E1
- xtract_cell_decl FIFO36E1
+ xtract_cell_decl FIFO18E1 "(* clkbuf_sink = \"RDCLK,WRCLK\" *)"
+ xtract_cell_decl FIFO36E1 "(* clkbuf_sink = \"RDCLK,WRCLK\" *)"
xtract_cell_decl FRAME_ECCE2
xtract_cell_decl GTHE2_CHANNEL
xtract_cell_decl GTHE2_COMMON
@@ -58,31 +63,34 @@ function xtract_cell_decl()
xtract_cell_decl GTPE2_COMMON
xtract_cell_decl GTXE2_CHANNEL
xtract_cell_decl GTXE2_COMMON
- # xtract_cell_decl IBUF
- xtract_cell_decl IBUF_IBUFDISABLE
- xtract_cell_decl IBUF_INTERMDISABLE
- xtract_cell_decl IBUFDS
- xtract_cell_decl IBUFDS_DIFF_OUT
- xtract_cell_decl IBUFDS_DIFF_OUT_IBUFDISABLE
- xtract_cell_decl IBUFDS_DIFF_OUT_INTERMDISABLE
- xtract_cell_decl IBUFDS_GTE2
- xtract_cell_decl IBUFDS_IBUFDISABLE
- xtract_cell_decl IBUFDS_INTERMDISABLE
+ # xtract_cell_decl IBUF "(* iopad_external_pin = \"I\" *)"
+ xtract_cell_decl IBUF_IBUFDISABLE "(* iopad_external_pin = \"I\" *)"
+ xtract_cell_decl IBUF_INTERMDISABLE "(* iopad_external_pin = \"I\" *)"
+ xtract_cell_decl IBUFDS "(* iopad_external_pin = \"I,IB\" *)"
+ xtract_cell_decl IBUFDS_DIFF_OUT "(* iopad_external_pin = \"I,IB\" *)"
+ xtract_cell_decl IBUFDS_DIFF_OUT_IBUFDISABLE "(* iopad_external_pin = \"I,IB\" *)"
+ xtract_cell_decl IBUFDS_DIFF_OUT_INTERMDISABLE "(* iopad_external_pin = \"I,IB\" *)"
+ xtract_cell_decl IBUFDS_GTE2 "(* iopad_external_pin = \"I,IB\" *)"
+ xtract_cell_decl IBUFDS_IBUFDISABLE "(* iopad_external_pin = \"I,IB\" *)"
+ xtract_cell_decl IBUFDS_INTERMDISABLE "(* iopad_external_pin = \"I,IB\" *)"
+ xtract_cell_decl IBUFG "(* iopad_external_pin = \"I\" *)"
+ xtract_cell_decl IBUFGDS "(* iopad_external_pin = \"I,IB\" *)"
+ xtract_cell_decl IBUFGDS_DIFF_OUT "(* iopad_external_pin = \"I,IB\" *)"
xtract_cell_decl ICAPE2 "(* keep *)"
- xtract_cell_decl IDDR
- xtract_cell_decl IDDR_2CLK
- xtract_cell_decl IDELAYCTRL "(* keep *)"
- xtract_cell_decl IDELAYE2
- xtract_cell_decl IN_FIFO
- xtract_cell_decl IOBUF
- xtract_cell_decl IOBUF_DCIEN
- xtract_cell_decl IOBUF_INTERMDISABLE
- xtract_cell_decl IOBUFDS
- xtract_cell_decl IOBUFDS_DCIEN
- xtract_cell_decl IOBUFDS_DIFF_OUT
- xtract_cell_decl IOBUFDS_DIFF_OUT_DCIEN
- xtract_cell_decl IOBUFDS_DIFF_OUT_INTERMDISABLE
- xtract_cell_decl ISERDESE2
+ xtract_cell_decl IDDR "(* clkbuf_sink = \"C\" *)"
+ xtract_cell_decl IDDR_2CLK "(* clkbuf_sink = \"C,CB\" *)"
+ xtract_cell_decl IDELAYCTRL "(* keep *) (* clkbuf_sink = \"REFCLK\" *)"
+ xtract_cell_decl IDELAYE2 "(* clkbuf_sink = \"C\" *)"
+ xtract_cell_decl IN_FIFO "(* clkbuf_sink = \"RDCLK,WRCLK\" *)"
+ xtract_cell_decl IOBUF "(* iopad_external_pin = \"IO\" *)"
+ xtract_cell_decl IOBUF_DCIEN "(* iopad_external_pin = \"IO\" *)"
+ xtract_cell_decl IOBUF_INTERMDISABLE "(* iopad_external_pin = \"IO\" *)"
+ xtract_cell_decl IOBUFDS "(* iopad_external_pin = \"IO\" *)"
+ xtract_cell_decl IOBUFDS_DCIEN "(* iopad_external_pin = \"IO,IOB\" *)"
+ xtract_cell_decl IOBUFDS_DIFF_OUT "(* iopad_external_pin = \"IO,IOB\" *)"
+ xtract_cell_decl IOBUFDS_DIFF_OUT_DCIEN "(* iopad_external_pin = \"IO,IOB\" *)"
+ xtract_cell_decl IOBUFDS_DIFF_OUT_INTERMDISABLE "(* iopad_external_pin = \"IO,IOB\" *)"
+ xtract_cell_decl ISERDESE2 "(* clkbuf_sink = \"CLK,CLKB,CLKDIV,CLKDIVP,OCLK,OCLKB\" *)"
xtract_cell_decl KEEPER
xtract_cell_decl LDCE
xtract_cell_decl LDPE
@@ -97,14 +105,14 @@ function xtract_cell_decl()
xtract_cell_decl MMCME2_BASE
# xtract_cell_decl MUXF7
# xtract_cell_decl MUXF8
- # xtract_cell_decl OBUF
- xtract_cell_decl OBUFDS
- xtract_cell_decl OBUFT
- xtract_cell_decl OBUFTDS
- xtract_cell_decl ODDR
- xtract_cell_decl ODELAYE2
- xtract_cell_decl OSERDESE2
- xtract_cell_decl OUT_FIFO
+ # xtract_cell_decl OBUF "(* iopad_external_pin = \"O\" *)"
+ xtract_cell_decl OBUFDS "(* iopad_external_pin = \"O,OB\" *)"
+ xtract_cell_decl OBUFT "(* iopad_external_pin = \"O\" *)"
+ xtract_cell_decl OBUFTDS "(* iopad_external_pin = \"O,OB\" *)"
+ xtract_cell_decl ODDR "(* clkbuf_sink = \"C\" *)"
+ xtract_cell_decl ODELAYE2 "(* clkbuf_sink = \"C\" *)"
+ xtract_cell_decl OSERDESE2 "(* clkbuf_sink = \"CLK,CLKDIV\" *)"
+ xtract_cell_decl OUT_FIFO "(* clkbuf_sink = \"RDCLK,WRCLK\" *)"
xtract_cell_decl PHASER_IN
xtract_cell_decl PHASER_IN_PHY
xtract_cell_decl PHASER_OUT
@@ -116,27 +124,27 @@ function xtract_cell_decl()
xtract_cell_decl PS7 "(* keep *)"
xtract_cell_decl PULLDOWN
xtract_cell_decl PULLUP
- #xtract_cell_decl RAM128X1D
- xtract_cell_decl RAM128X1S
- xtract_cell_decl RAM256X1S
- xtract_cell_decl RAM32M
- #xtract_cell_decl RAM32X1D
- xtract_cell_decl RAM32X1S
- xtract_cell_decl RAM32X1S_1
- xtract_cell_decl RAM32X2S
- xtract_cell_decl RAM64M
- #xtract_cell_decl RAM64X1D
- xtract_cell_decl RAM64X1S
- xtract_cell_decl RAM64X1S_1
- xtract_cell_decl RAM64X2S
- # xtract_cell_decl RAMB18E1
- # xtract_cell_decl RAMB36E1
+ #xtract_cell_decl RAM128X1D "(* clkbuf_sink = \"WCLK\" *)"
+ xtract_cell_decl RAM128X1S "(* clkbuf_sink = \"WCLK\" *)"
+ xtract_cell_decl RAM256X1S "(* clkbuf_sink = \"WCLK\" *)"
+ xtract_cell_decl RAM32M "(* clkbuf_sink = \"WCLK\" *)"
+ #xtract_cell_decl RAM32X1D "(* clkbuf_sink = \"WCLK\" *)"
+ xtract_cell_decl RAM32X1S "(* clkbuf_sink = \"WCLK\" *)"
+ xtract_cell_decl RAM32X1S_1 "(* clkbuf_sink = \"WCLK\" *)"
+ xtract_cell_decl RAM32X2S "(* clkbuf_sink = \"WCLK\" *)"
+ xtract_cell_decl RAM64M "(* clkbuf_sink = \"WCLK\" *)"
+ #xtract_cell_decl RAM64X1D "(* clkbuf_sink = \"WCLK\" *)"
+ xtract_cell_decl RAM64X1S "(* clkbuf_sink = \"WCLK\" *)"
+ xtract_cell_decl RAM64X1S_1 "(* clkbuf_sink = \"WCLK\" *)"
+ xtract_cell_decl RAM64X2S "(* clkbuf_sink = \"WCLK\" *)"
+ # xtract_cell_decl RAMB18E1 "(* clkbuf_sink = \"CLKARDCLK,CLKBWRCLK\" *)"
+ # xtract_cell_decl RAMB36E1 "(* clkbuf_sink = \"CLKARDCLK,CLKBWRCLK\" *)"
xtract_cell_decl ROM128X1
xtract_cell_decl ROM256X1
xtract_cell_decl ROM32X1
xtract_cell_decl ROM64X1
- #xtract_cell_decl SRL16E
- #xtract_cell_decl SRLC32E
+ #xtract_cell_decl SRL16E "(* clkbuf_sink = \"CLK\" *)"
+ #xtract_cell_decl SRLC32E "(* clkbuf_sink = \"CLK\" *)"
xtract_cell_decl STARTUPE2 "(* keep *)"
xtract_cell_decl USR_ACCESSE2
xtract_cell_decl XADC
diff --git a/techlibs/xilinx/cells_xtra.v b/techlibs/xilinx/cells_xtra.v
index 15fa1b63a..0fbbc0fdf 100644
--- a/techlibs/xilinx/cells_xtra.v
+++ b/techlibs/xilinx/cells_xtra.v
@@ -1,5 +1,6 @@
// Created by cells_xtra.sh from Xilinx models
+(* keep *)
module BSCANE2 (...);
parameter DISABLE_JTAG = "FALSE";
parameter integer JTAG_CHAIN = 1;
@@ -16,6 +17,7 @@ module BSCANE2 (...);
input TDO;
endmodule
+(* clkbuf_driver = "O" *)
module BUFGCE (...);
parameter CE_TYPE = "SYNC";
parameter [0:0] IS_CE_INVERTED = 1'b0;
@@ -25,23 +27,28 @@ module BUFGCE (...);
input I;
endmodule
+(* clkbuf_driver = "O" *)
module BUFGCE_1 (...);
output O;
- input CE, I;
+ input CE;
+ input I;
endmodule
+(* clkbuf_driver = "O" *)
module BUFGMUX (...);
parameter CLK_SEL_TYPE = "SYNC";
output O;
input I0, I1, S;
endmodule
+(* clkbuf_driver = "O" *)
module BUFGMUX_1 (...);
parameter CLK_SEL_TYPE = "SYNC";
output O;
input I0, I1, S;
endmodule
+(* clkbuf_driver = "O" *)
module BUFGMUX_CTRL (...);
output O;
input I0;
@@ -49,21 +56,25 @@ module BUFGMUX_CTRL (...);
input S;
endmodule
+(* clkbuf_driver = "O" *)
module BUFH (...);
output O;
input I;
endmodule
+(* clkbuf_driver = "O" *)
module BUFIO (...);
output O;
input I;
endmodule
+(* clkbuf_driver = "O" *)
module BUFMR (...);
output O;
input I;
endmodule
+(* clkbuf_driver = "O" *)
module BUFMRCE (...);
parameter CE_TYPE = "SYNC";
parameter integer INIT_OUT = 0;
@@ -73,6 +84,7 @@ module BUFMRCE (...);
input I;
endmodule
+(* clkbuf_driver = "O" *)
module BUFR (...);
output O;
input CE;
@@ -89,6 +101,7 @@ module CAPTUREE2 (...);
input CLK;
endmodule
+(* clkbuf_sink = "CLK" *)
module CFGLUT5 (...);
parameter [31:0] INIT = 32'h00000000;
parameter [0:0] IS_CLK_INVERTED = 1'b0;
@@ -111,6 +124,7 @@ module DNA_PORT (...);
input CLK, DIN, READ, SHIFT;
endmodule
+(* clkbuf_sink = "CLK" *)
module DSP48E1 (...);
parameter integer ACASCREG = 1;
parameter integer ADREG = 1;
@@ -198,6 +212,7 @@ module EFUSE_USR (...);
output [31:0] EFUSEUSR;
endmodule
+(* clkbuf_sink = "RDCLK,WRCLK" *)
module FIFO18E1 (...);
parameter ALMOST_EMPTY_OFFSET = 13'h0080;
parameter ALMOST_FULL_OFFSET = 13'h0080;
@@ -236,6 +251,7 @@ module FIFO18E1 (...);
input WREN;
endmodule
+(* clkbuf_sink = "RDCLK,WRCLK" *)
module FIFO36E1 (...);
parameter ALMOST_EMPTY_OFFSET = 13'h0080;
parameter ALMOST_FULL_OFFSET = 13'h0080;
@@ -1963,6 +1979,7 @@ module GTXE2_COMMON (...);
input [7:0] PMARSVD;
endmodule
+(* iopad_external_pin = "I" *)
module IBUF_IBUFDISABLE (...);
parameter IBUF_LOW_PWR = "TRUE";
parameter IOSTANDARD = "DEFAULT";
@@ -1973,6 +1990,7 @@ module IBUF_IBUFDISABLE (...);
input IBUFDISABLE;
endmodule
+(* iopad_external_pin = "I" *)
module IBUF_INTERMDISABLE (...);
parameter IBUF_LOW_PWR = "TRUE";
parameter IOSTANDARD = "DEFAULT";
@@ -1984,6 +2002,7 @@ module IBUF_INTERMDISABLE (...);
input INTERMDISABLE;
endmodule
+(* iopad_external_pin = "I,IB" *)
module IBUFDS (...);
parameter CAPACITANCE = "DONT_CARE";
parameter DIFF_TERM = "FALSE";
@@ -1996,6 +2015,7 @@ module IBUFDS (...);
input I, IB;
endmodule
+(* iopad_external_pin = "I,IB" *)
module IBUFDS_DIFF_OUT (...);
parameter DIFF_TERM = "FALSE";
parameter DQS_BIAS = "FALSE";
@@ -2005,6 +2025,7 @@ module IBUFDS_DIFF_OUT (...);
input I, IB;
endmodule
+(* iopad_external_pin = "I,IB" *)
module IBUFDS_DIFF_OUT_IBUFDISABLE (...);
parameter DIFF_TERM = "FALSE";
parameter DQS_BIAS = "FALSE";
@@ -2019,6 +2040,7 @@ module IBUFDS_DIFF_OUT_IBUFDISABLE (...);
input IBUFDISABLE;
endmodule
+(* iopad_external_pin = "I,IB" *)
module IBUFDS_DIFF_OUT_INTERMDISABLE (...);
parameter DIFF_TERM = "FALSE";
parameter DQS_BIAS = "FALSE";
@@ -2034,6 +2056,7 @@ module IBUFDS_DIFF_OUT_INTERMDISABLE (...);
input INTERMDISABLE;
endmodule
+(* iopad_external_pin = "I,IB" *)
module IBUFDS_GTE2 (...);
parameter CLKCM_CFG = "TRUE";
parameter CLKRCV_TRST = "TRUE";
@@ -2045,6 +2068,7 @@ module IBUFDS_GTE2 (...);
input IB;
endmodule
+(* iopad_external_pin = "I,IB" *)
module IBUFDS_IBUFDISABLE (...);
parameter DIFF_TERM = "FALSE";
parameter DQS_BIAS = "FALSE";
@@ -2058,6 +2082,7 @@ module IBUFDS_IBUFDISABLE (...);
input IBUFDISABLE;
endmodule
+(* iopad_external_pin = "I,IB" *)
module IBUFDS_INTERMDISABLE (...);
parameter DIFF_TERM = "FALSE";
parameter DQS_BIAS = "FALSE";
@@ -2072,6 +2097,37 @@ module IBUFDS_INTERMDISABLE (...);
input INTERMDISABLE;
endmodule
+(* iopad_external_pin = "I" *)
+module IBUFG (...);
+ parameter CAPACITANCE = "DONT_CARE";
+ parameter IBUF_DELAY_VALUE = "0";
+ parameter IBUF_LOW_PWR = "TRUE";
+ parameter IOSTANDARD = "DEFAULT";
+ output O;
+ input I;
+endmodule
+
+(* iopad_external_pin = "I,IB" *)
+module IBUFGDS (...);
+ parameter CAPACITANCE = "DONT_CARE";
+ parameter DIFF_TERM = "FALSE";
+ parameter IBUF_DELAY_VALUE = "0";
+ parameter IBUF_LOW_PWR = "TRUE";
+ parameter IOSTANDARD = "DEFAULT";
+ output O;
+ input I, IB;
+endmodule
+
+(* iopad_external_pin = "I,IB" *)
+module IBUFGDS_DIFF_OUT (...);
+ parameter DIFF_TERM = "FALSE";
+ parameter DQS_BIAS = "FALSE";
+ parameter IBUF_LOW_PWR = "TRUE";
+ parameter IOSTANDARD = "DEFAULT";
+ output O, OB;
+ input I, IB;
+endmodule
+
(* keep *)
module ICAPE2 (...);
parameter [31:0] DEVICE_ID = 32'h04244093;
@@ -2084,6 +2140,7 @@ module ICAPE2 (...);
input [31:0] I;
endmodule
+(* clkbuf_sink = "C" *)
module IDDR (...);
parameter DDR_CLK_EDGE = "OPPOSITE_EDGE";
parameter INIT_Q1 = 1'b0;
@@ -2102,6 +2159,7 @@ module IDDR (...);
input S;
endmodule
+(* clkbuf_sink = "C,CB" *)
module IDDR_2CLK (...);
parameter DDR_CLK_EDGE = "OPPOSITE_EDGE";
parameter INIT_Q1 = 1'b0;
@@ -2120,7 +2178,7 @@ module IDDR_2CLK (...);
input S;
endmodule
-(* keep *)
+(* keep *) (* clkbuf_sink = "REFCLK" *)
module IDELAYCTRL (...);
parameter SIM_DEVICE = "7SERIES";
output RDY;
@@ -2128,6 +2186,7 @@ module IDELAYCTRL (...);
input RST;
endmodule
+(* clkbuf_sink = "C" *)
module IDELAYE2 (...);
parameter CINVCTRL_SEL = "FALSE";
parameter DELAY_SRC = "IDATAIN";
@@ -2155,6 +2214,7 @@ module IDELAYE2 (...);
input REGRST;
endmodule
+(* clkbuf_sink = "RDCLK,WRCLK" *)
module IN_FIFO (...);
parameter integer ALMOST_EMPTY_VALUE = 1;
parameter integer ALMOST_FULL_VALUE = 1;
@@ -2191,6 +2251,7 @@ module IN_FIFO (...);
input [7:0] D6;
endmodule
+(* iopad_external_pin = "IO" *)
module IOBUF (...);
parameter integer DRIVE = 12;
parameter IBUF_LOW_PWR = "TRUE";
@@ -2201,6 +2262,7 @@ module IOBUF (...);
input I, T;
endmodule
+(* iopad_external_pin = "IO" *)
module IOBUF_DCIEN (...);
parameter integer DRIVE = 12;
parameter IBUF_LOW_PWR = "TRUE";
@@ -2216,6 +2278,7 @@ module IOBUF_DCIEN (...);
input T;
endmodule
+(* iopad_external_pin = "IO" *)
module IOBUF_INTERMDISABLE (...);
parameter integer DRIVE = 12;
parameter IBUF_LOW_PWR = "TRUE";
@@ -2231,6 +2294,7 @@ module IOBUF_INTERMDISABLE (...);
input T;
endmodule
+(* iopad_external_pin = "IO" *)
module IOBUFDS (...);
parameter DIFF_TERM = "FALSE";
parameter DQS_BIAS = "FALSE";
@@ -2242,6 +2306,7 @@ module IOBUFDS (...);
input I, T;
endmodule
+(* iopad_external_pin = "IO,IOB" *)
module IOBUFDS_DCIEN (...);
parameter DIFF_TERM = "FALSE";
parameter DQS_BIAS = "FALSE";
@@ -2259,6 +2324,7 @@ module IOBUFDS_DCIEN (...);
input T;
endmodule
+(* iopad_external_pin = "IO,IOB" *)
module IOBUFDS_DIFF_OUT (...);
parameter DIFF_TERM = "FALSE";
parameter DQS_BIAS = "FALSE";
@@ -2273,6 +2339,7 @@ module IOBUFDS_DIFF_OUT (...);
input TS;
endmodule
+(* iopad_external_pin = "IO,IOB" *)
module IOBUFDS_DIFF_OUT_DCIEN (...);
parameter DIFF_TERM = "FALSE";
parameter DQS_BIAS = "FALSE";
@@ -2291,6 +2358,7 @@ module IOBUFDS_DIFF_OUT_DCIEN (...);
input TS;
endmodule
+(* iopad_external_pin = "IO,IOB" *)
module IOBUFDS_DIFF_OUT_INTERMDISABLE (...);
parameter DIFF_TERM = "FALSE";
parameter DQS_BIAS = "FALSE";
@@ -2309,6 +2377,7 @@ module IOBUFDS_DIFF_OUT_INTERMDISABLE (...);
input TS;
endmodule
+(* clkbuf_sink = "CLK,CLKB,CLKDIV,CLKDIVP,OCLK,OCLKB" *)
module ISERDESE2 (...);
parameter DATA_RATE = "DDR";
parameter integer DATA_WIDTH = 4;
@@ -2529,6 +2598,7 @@ module MMCME2_BASE (...);
input RST;
endmodule
+(* iopad_external_pin = "O,OB" *)
module OBUFDS (...);
parameter CAPACITANCE = "DONT_CARE";
parameter IOSTANDARD = "DEFAULT";
@@ -2537,6 +2607,7 @@ module OBUFDS (...);
input I;
endmodule
+(* iopad_external_pin = "O" *)
module OBUFT (...);
parameter CAPACITANCE = "DONT_CARE";
parameter integer DRIVE = 12;
@@ -2546,6 +2617,7 @@ module OBUFT (...);
input I, T;
endmodule
+(* iopad_external_pin = "O,OB" *)
module OBUFTDS (...);
parameter CAPACITANCE = "DONT_CARE";
parameter IOSTANDARD = "DEFAULT";
@@ -2554,6 +2626,7 @@ module OBUFTDS (...);
input I, T;
endmodule
+(* clkbuf_sink = "C" *)
module ODDR (...);
output Q;
input C;
@@ -2572,6 +2645,7 @@ module ODDR (...);
parameter XON = "TRUE";
endmodule
+(* clkbuf_sink = "C" *)
module ODELAYE2 (...);
parameter CINVCTRL_SEL = "FALSE";
parameter DELAY_SRC = "ODATAIN";
@@ -2598,6 +2672,7 @@ module ODELAYE2 (...);
input REGRST;
endmodule
+(* clkbuf_sink = "CLK,CLKDIV" *)
module OSERDESE2 (...);
parameter DATA_RATE_OQ = "DDR";
parameter DATA_RATE_TQ = "DDR";
@@ -2653,6 +2728,7 @@ module OSERDESE2 (...);
input TCE;
endmodule
+(* clkbuf_sink = "RDCLK,WRCLK" *)
module OUT_FIFO (...);
parameter integer ALMOST_EMPTY_VALUE = 1;
parameter integer ALMOST_FULL_VALUE = 1;
@@ -3655,6 +3731,7 @@ module PULLUP (...);
output O;
endmodule
+(* clkbuf_sink = "WCLK" *)
module RAM128X1S (...);
parameter [127:0] INIT = 128'h00000000000000000000000000000000;
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
@@ -3662,6 +3739,7 @@ module RAM128X1S (...);
input A0, A1, A2, A3, A4, A5, A6, D, WCLK, WE;
endmodule
+(* clkbuf_sink = "WCLK" *)
module RAM256X1S (...);
parameter [255:0] INIT = 256'h0;
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
@@ -3672,6 +3750,7 @@ module RAM256X1S (...);
input WE;
endmodule
+(* clkbuf_sink = "WCLK" *)
module RAM32M (...);
parameter [63:0] INIT_A = 64'h0000000000000000;
parameter [63:0] INIT_B = 64'h0000000000000000;
@@ -3694,6 +3773,7 @@ module RAM32M (...);
input WE;
endmodule
+(* clkbuf_sink = "WCLK" *)
module RAM32X1S (...);
parameter [31:0] INIT = 32'h00000000;
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
@@ -3701,6 +3781,7 @@ module RAM32X1S (...);
input A0, A1, A2, A3, A4, D, WCLK, WE;
endmodule
+(* clkbuf_sink = "WCLK" *)
module RAM32X1S_1 (...);
parameter [31:0] INIT = 32'h00000000;
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
@@ -3708,6 +3789,7 @@ module RAM32X1S_1 (...);
input A0, A1, A2, A3, A4, D, WCLK, WE;
endmodule
+(* clkbuf_sink = "WCLK" *)
module RAM32X2S (...);
parameter [31:0] INIT_00 = 32'h00000000;
parameter [31:0] INIT_01 = 32'h00000000;
@@ -3716,6 +3798,7 @@ module RAM32X2S (...);
input A0, A1, A2, A3, A4, D0, D1, WCLK, WE;
endmodule
+(* clkbuf_sink = "WCLK" *)
module RAM64M (...);
parameter [63:0] INIT_A = 64'h0000000000000000;
parameter [63:0] INIT_B = 64'h0000000000000000;
@@ -3738,6 +3821,7 @@ module RAM64M (...);
input WE;
endmodule
+(* clkbuf_sink = "WCLK" *)
module RAM64X1S (...);
parameter [63:0] INIT = 64'h0000000000000000;
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
@@ -3745,6 +3829,7 @@ module RAM64X1S (...);
input A0, A1, A2, A3, A4, A5, D, WCLK, WE;
endmodule
+(* clkbuf_sink = "WCLK" *)
module RAM64X1S_1 (...);
parameter [63:0] INIT = 64'h0000000000000000;
parameter [0:0] IS_WCLK_INVERTED = 1'b0;
@@ -3752,6 +3837,7 @@ module RAM64X1S_1 (...);
input A0, A1, A2, A3, A4, A5, D, WCLK, WE;
endmodule
+(* clkbuf_sink = "WCLK" *)
module RAM64X2S (...);
parameter [63:0] INIT_00 = 64'h0000000000000000;
parameter [63:0] INIT_01 = 64'h0000000000000000;
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index d143c6823..a7362d26b 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -63,6 +63,9 @@ struct SynthXilinxPass : public ScriptPass
log(" generate an output netlist (and BLIF file) suitable for VPR\n");
log(" (this feature is experimental and incomplete)\n");
log("\n");
+ log(" -ise\n");
+ log(" generate an output netlist suitable for ISE\n");
+ log("\n");
log(" -nobram\n");
log(" disable inference of block rams\n");
log("\n");
@@ -78,6 +81,12 @@ struct SynthXilinxPass : public ScriptPass
log(" -nowidelut\n");
log(" do not use MUXF[78] resources to implement LUTs larger than LUT6s\n");
log("\n");
+ log(" -iopads\n");
+ log(" perform I/O buffer insertion (selected automatically by -ise)\n");
+ log("\n");
+ log(" -noiopads\n");
+ log(" disable I/O buffer insertion (only useful with -ise)\n");
+ log("\n");
log(" -widemux <int>\n");
log(" enable inference of hard multiplexer resources (MUXF[78]) for muxes at or\n");
log(" above this number of inputs (minimum value 2, recommended value >= 5).\n");
@@ -104,7 +113,7 @@ struct SynthXilinxPass : public ScriptPass
}
std::string top_opt, edif_file, blif_file, family;
- bool flatten, retime, vpr, nobram, nodram, nosrl, nocarry, nowidelut, abc9;
+ bool flatten, retime, vpr, ise, iopads, noiopads, nobram, nodram, nosrl, nocarry, nowidelut, abc9;
int widemux;
void clear_flags() YS_OVERRIDE
@@ -116,6 +125,9 @@ struct SynthXilinxPass : public ScriptPass
flatten = false;
retime = false;
vpr = false;
+ ise = false;
+ iopads = false;
+ noiopads = false;
nocarry = false;
nobram = false;
nodram = false;
@@ -178,6 +190,18 @@ struct SynthXilinxPass : public ScriptPass
vpr = true;
continue;
}
+ if (args[argidx] == "-ise") {
+ ise = true;
+ continue;
+ }
+ if (args[argidx] == "-iopads") {
+ iopads = true;
+ continue;
+ }
+ if (args[argidx] == "-noiopads") {
+ noiopads = true;
+ continue;
+ }
if (args[argidx] == "-nocarry") {
nocarry = true;
continue;
@@ -410,6 +434,17 @@ struct SynthXilinxPass : public ScriptPass
run("clean");
}
+ if (check_label("finalize")) {
+ bool do_iopads = iopads || (ise && !noiopads);
+ if (help_mode || do_iopads)
+ run("clkbufmap -buf BUFG O:I -inpad IBUFG O:I", "(-inpad passed if '-iopads' or '-ise' and not '-noiopads')");
+ else
+ run("clkbufmap -buf BUFG O:I");
+
+ if (do_iopads)
+ run("iopadmap -bits -outpad OBUF I:O -inpad IBUF O:I A:top", "(only if '-iopads' or '-ise' and not '-noiopads')");
+ }
+
if (check_label("check")) {
run("hierarchy -check");
run("stat -tech xilinx");
diff --git a/techlibs/xilinx/xc6s_brams_bb.v b/techlibs/xilinx/xc6s_brams_bb.v
index eb1a29579..1287e2c53 100644
--- a/techlibs/xilinx/xc6s_brams_bb.v
+++ b/techlibs/xilinx/xc6s_brams_bb.v
@@ -1,3 +1,4 @@
+(* clkbuf_sink = "CLKAWRCLK,CLKBRDCLK" *)
module RAMB8BWER (
input CLKAWRCLK,
input CLKBRDCLK,
@@ -86,6 +87,7 @@ module RAMB8BWER (
parameter SIM_COLLISION_CHECK = "ALL";
endmodule
+(* clkbuf_sink = "CLKA,CLKB" *)
module RAMB16BWER (
input CLKA,
input CLKB,
diff --git a/techlibs/xilinx/xc7_brams_bb.v b/techlibs/xilinx/xc7_brams_bb.v
index a682ba4a7..046a8fa26 100644
--- a/techlibs/xilinx/xc7_brams_bb.v
+++ b/techlibs/xilinx/xc7_brams_bb.v
@@ -1,3 +1,4 @@
+(* clkbuf_sink = "CLKARDCLK,CLKBWRCLK" *)
module RAMB18E1 (
input CLKARDCLK,
input CLKBWRCLK,
@@ -122,6 +123,7 @@ module RAMB18E1 (
parameter SIM_DEVICE = "VIRTEX6";
endmodule
+(* clkbuf_sink = "CLKARDCLK,CLKBWRCLK" *)
module RAMB36E1 (
input CLKARDCLK,
input CLKBWRCLK,