Adding a dummy sd_Card module

diff --git a/src/bsv/bsv_lib/sdcard_dummy.bsv b/src/bsv/bsv_lib/sdcard_dummy.bsv
new file mode 100644 (file)
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+++ b/src/bsv/bsv_lib/sdcard_dummy.bsv
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+/* 
+Copyright (c) 2013, IIT Madras All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, are permitted
+provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this list of conditions
+  and the following disclaimer.  
+* Redistributions in binary form must reproduce the above copyright notice, this list of 
+  conditions and the following disclaimer in the documentation and/or other materials provided 
+ with the distribution.  
+* Neither the name of IIT Madras  nor the names of its contributors may be used to endorse or 
+  promote products derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 
+OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+--------------------------------------------------------------------------------------------------
+
+Author: Neel Gala
+Email id: neelgala@gmail.com
+Details:
+
+--------------------------------------------------------------------------------------------------
+*/
+package sdcard_dummy;
+  `include "instance_defines.bsv"
+  import ClockDiv::*;
+  import ConcatReg::*;
+       import Semi_FIFOF::*;
+       import BUtils ::*;
+       import AXI4_Lite_Types::*;
+
+  interface Ifc_sdcard_dummy;
+         interface AXI4_Lite_Slave_IFC#(`ADDR, `DATA, `USERSPACE) axi_slave;
+    method  Bit#(1) cmd; 
+    method  Bit#(1) clk;
+    method  Bit#(1) d0_out;
+    method  Bit#(1) d0_outen;
+    method  Action d0_in(Bit#(1) in);
+    method  Bit#(1) d1_out;
+    method  Bit#(1) d1_outen;
+    method  Action d1_in(Bit#(1) in);
+    method  Bit#(1) d2_out;
+    method  Bit#(1) d2_outen;
+    method  Action d2_in(Bit#(1) in);
+    method  Bit#(1) d3_out;
+    method  Bit#(1) d3_outen;
+    method  Action d3_in(Bit#(1) in);
+  endinterface
+  (*synthesize*)
+  module mksdcard_dummy(Ifc_sdcard_dummy);
+               AXI4_Lite_Slave_Xactor_IFC#(`ADDR,`DATA, `USERSPACE) s_xactor<-mkAXI4_Lite_Slave_Xactor();
+      interface axi_slave=s_xactor.axi_side;
+      Reg#(Bit#(1)) rg_cmd <- mkReg(0);
+      Reg#(Bit#(1)) rg_clk <- mkReg(0);
+      Reg#(Bit#(1)) rg_d0_out <- mkReg(0);
+      Reg#(Bit#(1)) rg_d0_outen <- mkReg(0);
+      Reg#(Bit#(1)) rg_d0_in <- mkReg(0);
+      Reg#(Bit#(1)) rg_d1_out <- mkReg(0);
+      Reg#(Bit#(1)) rg_d1_outen <- mkReg(0);
+      Reg#(Bit#(1)) rg_d1_in <- mkReg(0);
+      Reg#(Bit#(1)) rg_d2_out <- mkReg(0);
+      Reg#(Bit#(1)) rg_d2_outen <- mkReg(0);
+      Reg#(Bit#(1)) rg_d2_in <- mkReg(0);
+      Reg#(Bit#(1)) rg_d3_out <- mkReg(0);
+      Reg#(Bit#(1)) rg_d3_outen <- mkReg(0);
+      Reg#(Bit#(1)) rg_d3_in <- mkReg(0);
+    method  cmd = rg_cmd; 
+    method  clk = rg_clk;
+    method  d0_out=rg_d0_out;
+    method  d0_outen=rg_d0_outen;
+    method  Action d0_in(Bit#(1) in);
+      rg_d0_in<= in;
+    endmethod
+    method  d1_out=rg_d1_out;
+    method  d1_outen=rg_d1_outen;
+    method  Action d1_in(Bit#(1) in);
+      rg_d1_in<= in;
+    endmethod
+    method  d2_out=rg_d2_out;
+    method  d2_outen=rg_d2_outen;
+    method  Action d2_in(Bit#(1) in);
+      rg_d2_in<= in;
+    endmethod
+    method  d3_out=rg_d3_out;
+    method  d3_outen=rg_d3_outen;
+    method  Action d3_in(Bit#(1) in);
+      rg_d3_in<= in;
+    endmethod
+  endmodule
+endpackage