From 67622f866a8be971575e84c3e3c62867d8b5a8dc Mon Sep 17 00:00:00 2001
From: Marwan Abbas <marwaneltoukhy@aucegypt.edu>
Date: Feb 14 2022 11:46:43 +0000
Subject: wb_port working


---

diff --git a/verilog/dv/wb_port/wb_port.c b/verilog/dv/wb_port/wb_port.c
index 425c115..4f59055 100644
--- a/verilog/dv/wb_port/wb_port.c
+++ b/verilog/dv/wb_port/wb_port.c
@@ -16,16 +16,14 @@
  */
 
 // This include is relative to $CARAVEL_PATH (see Makefile)
-#include "verilog/dv/caravel/defs.h"
-#include "verilog/dv/caravel/stub.c"
+#include <defs.h>
+#include <stub.c>
 
 /*
 	Wishbone Test:
 		- Configures MPRJ lower 8-IO pins as outputs
 		- Checks counter value through the wishbone port
 */
-int i = 0; 
-int clk = 0;
 
 void main()
 {
@@ -47,7 +45,9 @@ void main()
 	/* Set up the housekeeping SPI to be connected internally so	*/
 	/* that external pin changes don't affect it.			*/
 
-	reg_spimaster_config = 0xa002;	// Enable, prescaler = 2,
+    reg_spi_enable = 1;
+    reg_wb_enable = 1;
+	// reg_spimaster_config = 0xa002;	// Enable, prescaler = 2,
                                         // connect to housekeeping SPI
 
 	// Connect the housekeeping SPI to the SPI master
@@ -75,15 +75,13 @@ void main()
     reg_mprj_xfer = 1;
     while (reg_mprj_xfer == 1);
 
-	reg_la2_oenb = reg_la2_iena = 0xFFFFFFFF;    // [95:64]
+	reg_la2_oenb = reg_la2_iena = 0x00000000;    // [95:64]
 
     // Flag start of the test
 	reg_mprj_datal = 0xAB600000;
 
     reg_mprj_slave = 0x00002710;
-    if (reg_mprj_slave == 0x2752) {
+    if (reg_mprj_slave == 0x2B3D) {
         reg_mprj_datal = 0xAB610000;
-    } else {
-        reg_mprj_datal = 0xAB600000;
     }
 }
diff --git a/verilog/dv/wb_port/wb_port_tb.v b/verilog/dv/wb_port/wb_port_tb.v
index b32f900..60529dc 100644
--- a/verilog/dv/wb_port/wb_port_tb.v
+++ b/verilog/dv/wb_port/wb_port_tb.v
@@ -17,9 +17,9 @@
 
 `timescale 1 ns / 1 ps
 
-`include "uprj_netlists.v"
-`include "caravel_netlists.v"
-`include "spiflash.v"
+// `include "uprj_netlists.v"
+// `include "caravel_netlists.v"
+// `include "spiflash.v"
 
 module wb_port_tb;
 	reg clock;
@@ -35,7 +35,7 @@ module wb_port_tb;
 
 	assign checkbits = mprj_io[31:16];
 
-	assign mprj_io[3] = (CSB == 1'b1) ? 1'b1 : 1'bz;
+	// assign mprj_io[3] = CSB;
 
 	// External clock is used by default.  Make this artificially fast for the
 	// simulation.  Normally this would be a slow clock and the digital PLL
@@ -52,7 +52,7 @@ module wb_port_tb;
 		$dumpvars(0, wb_port_tb);
 
 		// Repeat cycles of 1000 clock edges as needed to complete testbench
-		repeat (30) begin
+		repeat (50) begin
 			repeat (1000) @(posedge clock);
 			// $display("+1000 cycles");
 		end
@@ -67,9 +67,9 @@ module wb_port_tb;
 	end
 
 	initial begin
-	   wait(checkbits == 16'h AB60);
+	   wait(checkbits == 16'hAB60);
 		$display("Monitor: MPRJ-Logic WB Started");
-		wait(checkbits == 16'h AB61);
+		wait(checkbits == 16'hAB61);
 		`ifdef GL
 	    	$display("Monitor: Mega-Project WB (GL) Passed");
 		`else
@@ -90,20 +90,10 @@ module wb_port_tb;
 	initial begin		// Power-up sequence
 		power1 <= 1'b0;
 		power2 <= 1'b0;
-		power3 <= 1'b0;
-		power4 <= 1'b0;
-		#100;
+		#200;
 		power1 <= 1'b1;
-		#100;
+		#200;
 		power2 <= 1'b1;
-		#100;
-		power3 <= 1'b1;
-		#100;
-		power4 <= 1'b1;
-	end
-
-	always @(mprj_io) begin
-		#1 $display("MPRJ-IO state = %b ", mprj_io[7:0]);
 	end
 
 	wire flash_csb;
@@ -119,22 +109,26 @@ module wb_port_tb;
 
 	caravel uut (
 		.vddio	  (VDD3V3),
+		.vddio_2  (VDD3V3),
 		.vssio	  (VSS),
+		.vssio_2  (VSS),
 		.vdda	  (VDD3V3),
 		.vssa	  (VSS),
 		.vccd	  (VDD1V8),
 		.vssd	  (VSS),
-		.vdda1    (USER_VDD3V3),
-		.vdda2    (USER_VDD3V3),
+		.vdda1    (VDD3V3),
+		.vdda1_2  (VDD3V3),
+		.vdda2    (VDD3V3),
 		.vssa1	  (VSS),
+		.vssa1_2  (VSS),
 		.vssa2	  (VSS),
-		.vccd1	  (USER_VDD1V8),
-		.vccd2	  (USER_VDD1V8),
+		.vccd1	  (VDD1V8),
+		.vccd2	  (VDD1V8),
 		.vssd1	  (VSS),
 		.vssd2	  (VSS),
-		.clock	  (clock),
+		.clock    (clock),
 		.gpio     (gpio),
-        .mprj_io  (mprj_io),
+		.mprj_io  (mprj_io),
 		.flash_csb(flash_csb),
 		.flash_clk(flash_clk),
 		.flash_io0(flash_io0),