Update readme

Author: alexforencich

README.md

@@ -16,22 +16,48 @@ cosimulation endpoints.
 Template module for peripheral initialization via I2C.  For use when one or
 more peripheral devices (i.e. PLL chips, jitter attenuators, clock muxes,
 etc.) need to be initialized on power-up without the use of a general-purpose
-processor.  
+processor.
 
 ### i2c_master module
 
-I2C master module with AXI stream interfaces to control logic.  
+I2C master module with AXI stream interfaces to control logic.
+
+### i2c_master_axil module
+
+I2C master module with 32-bit AXI lite slave interface.
 
 ### i2c_master_wbs_8 module
 
 I2C master module with 8-bit Wishbone slave interface.
 
+### i2c_master_wbs_16 module
+
+I2C master module with 16-bit Wishbone slave interface.
+
+### i2c_slave module
+
+I2C slave module with AXI stream interfaces to control logic.
+
+### i2c_slave_axil_master module
+
+I2C slave module with parametrizable AXI lite master interface.
+
+### i2c_slave_wbm module
+
+I2C slave module with parametrizable Wishbone master interface.
+
+
 ### Source Files
 
     axis_fifo.v             : AXI stream FIFO
     i2c_init.v              : Template I2C bus init state machine module
     i2c_master.v            : I2C master module
+    i2c_master_axil.v       : I2C master module (32-bit AXI lite slave)
     i2c_master_wbs_8.v      : I2C master module (8-bit Wishbone slave)
+    i2c_master_wbs_16.v     : I2C master module (16-bit Wishbone slave)
+    i2c_slave.v             : I2C slave module
+    i2c_slave_axil_master.v : I2C slave module (parametrizable AXI lite master)
+    i2c_slave_wbm.v         : I2C slave module (parametrizable Wishbone master)
 
 ## Testing
 
@@ -42,6 +68,7 @@ individual test scripts can be run with python directly.
 
 ### Testbench Files
 
+    tb/axil.py           : MyHDL AXI4 lite master and memory BFM
     tb/axis_ep.py        : MyHDL AXI Stream endpoints
     tb/i2c.py            : MyHDL I2C master and slave models
     tb/wb.py             : MyHDL Wishbone master model and RAM model