First stab at getting sdram working

hw/efinix_fpga/ip/sdram_controller/sdram_controller_define.vh

@@ -0,0 +1,80 @@
+// =============================================================================
+// Generated by efx_ipmgr
+// Version: 2022.1.226
+// IP Version: 1.6
+// =============================================================================
+
+////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2013-2022 Efinix Inc. All rights reserved.              
+//
+// This   document  contains  proprietary information  which   is        
+// protected by  copyright. All rights  are reserved.  This notice       
+// refers to original work by Efinix, Inc. which may be derivitive       
+// of other work distributed under license of the authors.  In the       
+// case of derivative work, nothing in this notice overrides the         
+// original author's license agreement.  Where applicable, the           
+// original license agreement is included in it's original               
+// unmodified form immediately below this header.                        
+//                                                                       
+// WARRANTY DISCLAIMER.                                                  
+//     THE  DESIGN, CODE, OR INFORMATION ARE PROVIDED “AS IS” AND        
+//     EFINIX MAKES NO WARRANTIES, EXPRESS OR IMPLIED WITH               
+//     RESPECT THERETO, AND EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTIES,  
+//     INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF          
+//     MERCHANTABILITY, NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR    
+//     PURPOSE.  SOME STATES DO NOT ALLOW EXCLUSIONS OF AN IMPLIED       
+//     WARRANTY, SO THIS DISCLAIMER MAY NOT APPLY TO LICENSEE.           
+//                                                                       
+// LIMITATION OF LIABILITY.                                              
+//     NOTWITHSTANDING ANYTHING TO THE CONTRARY, EXCEPT FOR BODILY       
+//     INJURY, EFINIX SHALL NOT BE LIABLE WITH RESPECT TO ANY SUBJECT    
+//     MATTER OF THIS AGREEMENT UNDER TORT, CONTRACT, STRICT LIABILITY   
+//     OR ANY OTHER LEGAL OR EQUITABLE THEORY (I) FOR ANY INDIRECT,      
+//     SPECIAL, INCIDENTAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES OF ANY    
+//     CHARACTER INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF      
+//     GOODWILL, DATA OR PROFIT, WORK STOPPAGE, OR COMPUTER FAILURE OR   
+//     MALFUNCTION, OR IN ANY EVENT (II) FOR ANY AMOUNT IN EXCESS, IN    
+//     THE AGGREGATE, OF THE FEE PAID BY LICENSEE TO EFINIX HEREUNDER    
+//     (OR, IF THE FEE HAS BEEN WAIVED, $100), EVEN IF EFINIX SHALL HAVE 
+//     BEEN INFORMED OF THE POSSIBILITY OF SUCH DAMAGES.  SOME STATES DO 
+//     NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR            
+//     CONSEQUENTIAL DAMAGES, SO THIS LIMITATION AND EXCLUSION MAY NOT   
+//     APPLY TO LICENSEE.                                                
+//
+////////////////////////////////////////////////////////////////////////////////
+
+localparam fSYS_MHz = 100;
+localparam fCK_MHz  = 200;
+localparam tIORT_u = 2;
+localparam BL = 1;
+localparam DDIO_TYPE = "SOFT";
+localparam DQ_WIDTH  = 8;
+localparam DQ_GROUP = 2;
+localparam BA_WIDTH  = 2;
+localparam ROW_WIDTH  = 13;
+localparam COL_WIDTH  = 9;
+localparam tPWRUP  = 200000;
+localparam tRAS  = 44;
+localparam tRC  = 66;
+localparam tRCD = 20;
+localparam tREF  = 64000000;
+localparam tWR = 2;
+localparam tMRD = 2;
+localparam tRFC  = 66;
+localparam tRAS_MAX = 120000;
+localparam DATA_RATE = 2;
+localparam AXI_ARADDR_WIDTH = 24;
+localparam SDRAM_MODE = "Native";
+localparam AXI_BUSER_WIDTH = 2;
+localparam AXI_BID_WIDTH = 4;
+localparam AXI_AWUSER_WIDTH = 2;
+localparam AXI_AWID_WIDTH = 4;
+localparam AXI_AWADDR_WIDTH = 24;
+localparam AXI_RDATA_WIDTH = 32;
+localparam AXI_WUSER_WIDTH = 2;
+localparam AXI_WDATA_WIDTH = 32;
+localparam AXI_RUSER_WIDTH = 3;
+localparam AXI_ARUSER_WIDTH = 3;
+localparam AXI_ARID_WIDTH = 4;
+localparam tRP = 20;
+localparam CL = 3;