xadc: tilegrid support

Signed-off-by: John McMaster <johndmcmaster@gmail.com>

fuzzers/005-tilegrid/Makefile

@@ -22,7 +22,7 @@ build/bram/deltas:
 build/iob/deltas:
 	bash generate.sh build/iob iob
 
-build/tilegrid_tdb.json: iob/build/segbits_tilegrid.tdb mmcm/build/segbits_tilegrid.tdb pll/build/segbits_tilegrid.tdb
+build/tilegrid_tdb.json: add_tdb.py iob/build/segbits_tilegrid.tdb mmcm/build/segbits_tilegrid.tdb pll/build/segbits_tilegrid.tdb
 	python3 add_tdb.py --fn-in build/basicdb/tilegrid.json --fn-out build/tilegrid_tdb.json
 
 iob/build/segbits_tilegrid.tdb: build/basicdb/tilegrid.json
@@ -34,6 +34,10 @@ mmcm/build/segbits_tilegrid.tdb: build/basicdb/tilegrid.json
 pll/build/segbits_tilegrid.tdb: build/basicdb/tilegrid.json
 	cd pll && $(MAKE)
 
+# FIXME: add monitor to ROI
+monitor/build/segbits_tilegrid.tdb: build/basicdb/tilegrid.json
+	cd monitor && $(MAKE)
+
 build/tilegrid.json: generate_full.py build/tilegrid_tdb.json build/clb/deltas build/bram/deltas
 	cd build && python3 ${FUZDIR}/generate_full.py \
         --json-in tilegrid_tdb.json --json-out ${BUILD_DIR}/tilegrid.json \

fuzzers/005-tilegrid/add_tdb.py

@@ -2,6 +2,7 @@
 
 from prjxray import util
 import json
+import os
 
 
 # Copied from generate_full.py
@@ -101,6 +102,12 @@ def run(fn_in, fn_out, verbose=False):
         # FIXME: height
         ("pll/build/segbits_tilegrid.tdb", 30, 101),
     ]
+
+    # FIXME: support XADC in ROI
+    if os.path.exists("monitor/build/segbits_tilegrid.tdb"):
+        # FIXME: height
+        tdb_fns.append(("monitor/build/segbits_tilegrid.tdb", 30, 101))
+
     for (tdb_fn, frames, words) in tdb_fns:
         for (tile, frame, wordidx) in load_db(tdb_fn):
             tilej = database[tile]

fuzzers/005-tilegrid/monitor/Makefile

@@ -0,0 +1,4 @@
+N ?= 2
+GENERATE_ARGS?="--oneval 1 --design params.csv --dframe 1C --dword 53 --dbit 24"
+include ../fuzzaddr/common.mk
+

fuzzers/005-tilegrid/monitor/generate.tcl

@@ -0,0 +1,26 @@
+source "$::env(XRAY_DIR)/utils/utils.tcl"
+
+proc run {} {
+    create_project -force -part $::env(XRAY_PART) design design
+    read_verilog top.v
+    synth_design -top top
+
+    set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_00) IOSTANDARD LVCMOS33" [get_ports clk]
+    set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_01) IOSTANDARD LVCMOS33" [get_ports stb]
+    set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_02) IOSTANDARD LVCMOS33" [get_ports di]
+    set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_03) IOSTANDARD LVCMOS33" [get_ports do]
+
+    set_property CFGBVS VCCO [current_design]
+    set_property CONFIG_VOLTAGE 3.3 [current_design]
+    set_property BITSTREAM.GENERAL.PERFRAMECRC YES [current_design]
+
+    set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets clk_IBUF]
+
+    place_design
+    route_design
+
+    write_checkpoint -force design.dcp
+    write_bitstream -force design.bit
+}
+
+run

fuzzers/005-tilegrid/monitor/top.py

@@ -0,0 +1,90 @@
+import os
+import random
+random.seed(int(os.getenv("SEED"), 16))
+from prjxray import util
+from prjxray import verilog
+
+
+def gen_sites():
+    # yield ("MONITOR_BOT_X46Y79", "XADC_X0Y0")
+    for tile_name, site_name, _site_type in util.get_roi().gen_sites(['XADC']):
+        yield tile_name, site_name
+
+
+def write_params(params):
+    pinstr = 'tile,val,site\n'
+    for tile, (site, val) in sorted(params.items()):
+        pinstr += '%s,%s,%s\n' % (tile, val, site)
+    open('params.csv', 'w').write(pinstr)
+
+
+def run():
+    print(
+        '''
+module top(input clk, stb, di, output do);
+    localparam integer DIN_N = 8;
+    localparam integer DOUT_N = 8;
+
+    reg [DIN_N-1:0] din;
+    wire [DOUT_N-1:0] dout;
+
+    reg [DIN_N-1:0] din_shr;
+    reg [DOUT_N-1:0] dout_shr;
+
+    always @(posedge clk) begin
+        din_shr <= {din_shr, di};
+        dout_shr <= {dout_shr, din_shr[DIN_N-1]};
+        if (stb) begin
+            din <= din_shr;
+            dout_shr <= dout;
+        end
+    end
+
+    assign do = dout_shr[DOUT_N-1];
+    ''')
+
+    params = {}
+    # only one for now, worry about later
+    sites = list(gen_sites())
+    assert len(sites) == 1, len(sites)
+    for (tile_name, site_name), isone in zip(sites,
+                                             util.gen_fuzz_states(len(sites))):
+        INIT_43 = isone
+        params[tile_name] = (site_name, INIT_43)
+
+        print(
+            '''
+    (* KEEP, DONT_TOUCH *)
+    XADC #(/*.LOC("%s"),*/ .INIT_43(%u)) dut_%s(
+            .BUSY(),
+            .DRDY(),
+            .EOC(),
+            .EOS(),
+            .JTAGBUSY(),
+            .JTAGLOCKED(),
+            .JTAGMODIFIED(),
+            .OT(),
+            .DO(),
+            .ALM(),
+            .CHANNEL(),
+            .MUXADDR(),
+            .CONVST(),
+            .CONVSTCLK(clk),
+            .DCLK(clk),
+            .DEN(),
+            .DWE(),
+            .RESET(),
+            .VN(),
+            .VP(),
+            .DI(),
+            .VAUXN(),
+            .VAUXP(),
+            .DADDR());
+''' % (site_name, INIT_43, site_name))
+
+    print("endmodule")
+    write_params(params)
+
+
+if __name__ == '__main__':
+    run()