From c88433bb5572ee41864df76098ff913706a26387 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Mon, 14 Nov 2022 22:05:40 -0600
Subject: Add JTAG debug bridge

---
 platform.qsys | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)

(limited to 'platform.qsys')

diff --git a/platform.qsys b/platform.qsys
index 9ccd6ed..bdf0a29 100644
--- a/platform.qsys
+++ b/platform.qsys
@@ -33,6 +33,14 @@
          type = "int";
       }
    }
+   element jtag_dbg
+   {
+      datum _sortIndex
+      {
+         value = "10";
+         type = "int";
+      }
+   }
    element jtag_uart_0
    {
       datum _sortIndex
@@ -718,6 +726,20 @@
   <parameter name="usb_mp_clk_div" value="0" />
   <parameter name="use_default_mpu_clk" value="true" />
  </module>
+ <module
+   name="jtag_dbg"
+   kind="altera_jtag_avalon_master"
+   version="20.1"
+   enabled="1">
+  <parameter name="AUTO_DEVICE" value="5CSEMA5F31C6" />
+  <parameter name="AUTO_DEVICE_FAMILY" value="Cyclone V" />
+  <parameter name="AUTO_DEVICE_SPEEDGRADE" value="6" />
+  <parameter name="COMPONENT_CLOCK" value="0" />
+  <parameter name="FAST_VER" value="0" />
+  <parameter name="FIFO_DEPTHS" value="2" />
+  <parameter name="PLI_PORT" value="50000" />
+  <parameter name="USE_PLI" value="0" />
+ </module>
  <module
    name="jtag_uart_0"
    kind="altera_avalon_jtag_uart"
@@ -1070,6 +1092,39 @@
   <parameter name="baseAddress" value="0x0000" />
   <parameter name="defaultConnection" value="false" />
  </connection>
+ <connection
+   kind="avalon"
+   version="20.1"
+   start="jtag_dbg.master"
+   end="jtag_uart_0.avalon_jtag_slave">
+  <parameter name="arbitrationPriority" value="1" />
+  <parameter name="baseAddress" value="0x30000000" />
+  <parameter name="defaultConnection" value="false" />
+ </connection>
+ <connection kind="avalon" version="20.1" start="jtag_dbg.master" end="pio_0.s1">
+  <parameter name="arbitrationPriority" value="1" />
+  <parameter name="baseAddress" value="0x30010000" />
+  <parameter name="defaultConnection" value="false" />
+ </connection>
+ <connection kind="avalon" version="20.1" start="jtag_dbg.master" end="timer_0.s1">
+  <parameter name="arbitrationPriority" value="1" />
+  <parameter name="baseAddress" value="0x30020000" />
+  <parameter name="defaultConnection" value="false" />
+ </connection>
+ <connection kind="avalon" version="20.1" start="jtag_dbg.master" end="vram.s1">
+  <parameter name="arbitrationPriority" value="1" />
+  <parameter name="baseAddress" value="0x38000000" />
+  <parameter name="defaultConnection" value="false" />
+ </connection>
+ <connection
+   kind="avalon"
+   version="20.1"
+   start="jtag_dbg.master"
+   end="address_span_extender_0.windowed_slave">
+  <parameter name="arbitrationPriority" value="1" />
+  <parameter name="baseAddress" value="0x0000" />
+  <parameter name="defaultConnection" value="false" />
+ </connection>
  <connection kind="clock" version="20.1" start="clk_0.clk" end="pll_0.refclk" />
  <connection
    kind="clock"
@@ -1078,6 +1133,7 @@
    end="jtag_uart_0.clk" />
  <connection kind="clock" version="20.1" start="pll_0.outclk0" end="timer_0.clk" />
  <connection kind="clock" version="20.1" start="pll_0.outclk0" end="pio_0.clk" />
+ <connection kind="clock" version="20.1" start="pll_0.outclk0" end="jtag_dbg.clk" />
  <connection
    kind="clock"
    version="20.1"
@@ -1099,6 +1155,11 @@
    version="20.1"
    start="pll_0.outclk4"
    end="vga_controller_0.clock_sink" />
+ <connection
+   kind="reset"
+   version="20.1"
+   start="clk_0.clk_reset"
+   end="jtag_dbg.clk_reset" />
  <connection
    kind="reset"
    version="20.1"
-- 
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