New wishbone-jtag bridge

rtl/toplevel/top_jtag.v

@@ -48,20 +48,18 @@ module top_jtag(
     );
 
     wire [31:0] gpio;
-    wire [31:0] gpio_in;
-    assign gpio_in = 32'h0;
 
     wb_gpio #(
         .address(32'h00000000)
     ) u_wb_gpio (
         .i_wb_clk(clk_15),
-        .i_wb_rst(i_rst | cmd_reset),
+        .i_wb_rst(i_rst),
         .i_wb_adr(wb_adr),
         .i_wb_dat(wb_dat),
         .i_wb_sel(wb_sel),
         .i_wb_we(wb_we),
         .i_wb_stb(wb_stb & wb_cyc),
-        .i_gpio(gpio_in),
+        .i_gpio(gpio),
         .o_wb_rdt(wb_rdt),
         .o_wb_ack(wb_ack),
         .o_gpio(gpio)
@@ -69,7 +67,7 @@ module top_jtag(
 
     assign LED = gpio[7:0];
     assign r2r = gpio[13:8];
-    assign led_green = gpio[30];
-    assign led_red = gpio[31];
+    assign led_green = cmd_reset;
+    assign led_red = 'b0;
 
 endmodule