From eb383e57277f7628c6ecca629637bb6ddfbe5b38 Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Sun, 24 Oct 2021 12:31:54 -0700
Subject: Blinkenlights.

---
 hdl/top.sv | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

(limited to 'hdl/top.sv')

diff --git a/hdl/top.sv b/hdl/top.sv
index 1d77216..abd6f30 100644
--- a/hdl/top.sv
+++ b/hdl/top.sv
@@ -3,6 +3,10 @@
 module top
     (   input   bit native_clk  // verilator public
     ,   input   bit reset_n     // verilator public
+
+    ,   inout   wire [10:1]  gpioa
+    ,   inout   wire [28:13] gpiob
+    ,   inout   wire [40:31] gpioc
     );
 
 bit clk;
@@ -18,9 +22,61 @@ clock
     ,   .reset(reset)
     );
 
+bit slowclk;
+bit slowreset;
+clock
+    #(  .MULTIPLY_BY(1)
+    ,   .DIVIDE_BY(5000)
+    ) slowpll
+    (   .native_clk(native_clk)
+    ,   .reset_n(reset_n)
+    ,   .target_clk(slowclk)
+    ,   .reset(slowreset)
+    );
+
+bit [8:1][12:1] led;
+bit [3:1][12:1] switch;
+
+panel fp
+    (   .clk(slowclk)
+    ,   .reset(slowreset)
+
+    ,   .led(led)
+    ,   .switch(switch)
+
+    ,   .gpioa(gpioa)
+    ,   .gpiob(gpiob)
+    ,   .gpioc(gpioc)
+    );
+
+assign led[1] = switch[1];
+assign led[2] = switch[2];
+assign led[3] = switch[3];
+assign led[4] = 0;
+assign led[5] = 0;
+assign led[6] = 0;
+assign led[7] = 0;
+assign led[8] = 0;
+
+/*
+wire [7:0] debugchar;
+assign debugchar = "0" + {switch[1][1], switch[1][2], switch[3][1]};
+
+jtag_uart debug
+    (   .clk(slowclk)
+    ,   .reset(slowreset)
+
+    ,   .rx_ready(0)
+    ,   .tx_valid(1)
+    ,   .tx_data(debugchar)
+    );
+*/
+
+/*
 core cpu
     (   .clk(clk)
     ,   .reset(reset)
     );
+*/
 
 endmodule
-- 
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