Remove JTAG from firesim comfigs due to @(posedge ~clk) issue

ucb-bar · Sep 4, 2020 · 3258fd8 · 3258fd8
1 parent 4b30462
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diff --git a/docs/Advanced-Concepts/Chip-Communication.rst b/docs/Advanced-Concepts/Chip-Communication.rst
@@ -130,7 +130,8 @@ Using the JTAG Interface
 ------------------------
 
 The main way to use JTAG with a Rocket Chip based system is to instantiate the Debug Transfer Module (DTM)
-and configure it to use a JTAG interface. The default Chipyard designs configure the DTM to use JTAG. you may attach OpenOCD and GDB to any of the default JTAG-enabled designs.
+and configure it to use a JTAG interface. The default Chipyard designs instantiate the DTM and configure it
+to use JTAG. You may attach OpenOCD and GDB to any of the default JTAG-enabled designs.
 
 Debugging with JTAG
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

diff --git a/generators/firechip/src/main/scala/TargetConfigs.scala b/generators/firechip/src/main/scala/TargetConfigs.scala
@@ -88,7 +88,9 @@ class WithFireSimConfigTweaks extends Config(
   // Optional: Removing this will require using an initramfs under linux
   new testchipip.WithBlockDevice ++
   // Required*: Scale default baud rate with periphery bus frequency
-  new chipyard.config.WithUART(BigInt(3686400L))
+  new chipyard.config.WithUART(BigInt(3686400L)) ++
+  // Required: Do not support debug module w. JTAG until FIRRTL stops emitting @(posedge ~clock)
+  new chipyard.config.WithNoDebug
 )
 
 /*******************************************************************************