fix html generation (as no accelerator RTL), and add README usage instructions

README.md

@@ -41,6 +41,17 @@ The core of the SoC is NanoSoC. This is an example, configurable system that is
 
 The expansion region is able to instantiate an accelerator_subsystem by default. This means that anyone using NanoSoC as a platform for accelerator experimentation will need to build an `accelerator_subsystem` rtl module.
 
+
+### htmlgen design visualisation
+---
+A tool is provided to generate an html documentation tree to traverse and explore the design hierarchy:
+
+`htmlgen -f $SOCLABS_PROJECT_DIR/flist/project/top.flist`
+or
+ `htmlgen`
+populates the html/top/build/ directiory. Open `nanosoc_tb.html` to explore from the testbench down in to the design.
+
+
 ### Accelerator Subsystem
 ---
 `accelerator_subsystem` can either directly contain an accelerator (or multiple) or can instantiate accelerator wrappers which in turn instantiate accelerators.

flist/project/accelerator.flist

@@ -14,10 +14,10 @@
 // =============    Accelerator Module search path    =============
 
 // ! Point this to your Accelerator RTL
-+incdir+$(ACCELERATOR_DIR)/src/rtl
+//+incdir+$(ACCELERATOR_DIR)/src/rtl
 
 // ! Point this to your Wrapper RTL
-$(SOCLABS_PROJECT_DIR)/wrapper/src/soclabs_ahb_aes128_ctrl.v
+///$(SOCLABS_PROJECT_DIR)/wrapper/src/soclabs_ahb_aes128_ctrl.v
 
 // ! Point this to your Subsystem RTL
-$(SOCLABS_PROJECT_DIR)/system/src/accelerator_subsystem.v
+///$(SOCLABS_PROJECT_DIR)/system/src/accelerator_subsystem.v
\ No newline at end of file