Subversion Repositories openrisc_2011-10-31

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//// orpsoc-params                                                ////

////                                                              ////

//// Top level ORPSoC parameters file                             ////

////                                                              ////

//// Included in toplevel and testbench                           ////

////                                                              ////

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//// Copyright (C) 2009, 2010 Authors and OPENCORES.ORG           ////

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//// This source file may be used and distributed without         ////

//// restriction provided that this copyright statement is not    ////

//// removed from the file and that any derivative work contains  ////

//// the original copyright notice and the associated disclaimer. ////

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//// This source file is free software; you can redistribute it   ////

//// and/or modify it under the terms of the GNU Lesser General   ////

//// Public License as published by the Free Software Foundation; ////

//// either version 2.1 of the License, or (at your option) any   ////

//// later version.                                               ////

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//// This source is distributed in the hope that it will be       ////

//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////

//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////

//// PURPOSE.  See the GNU Lesser General Public License for more ////

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//// Public License along with this source; if not, download it   ////

//// from http://www.opencores.org/lgpl.shtml                     ////

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///////////////////////////

//                       //

// Peripheral parameters //

//                       //

///////////////////////////

// UART 0 params

parameter wbs_d_uart0_data_width = 8;

parameter uart0_wb_adr = 8'h90;

parameter uart0_data_width = 8;

parameter uart0_addr_width = 3;

// ROM

parameter wbs_i_rom0_data_width = 32;

parameter wbs_i_rom0_addr_width = 6;

parameter rom0_wb_adr = 4'hf;

//////////////////////////////////////////////////////

//                                                  //

// Wishbone bus parameters                          //

//                                                  //

//////////////////////////////////////////////////////

////////////////////////

//                    //

// Arbiter parameters //

//                    // 

////////////////////////

parameter wb_dw = 32; // Default Wishbone full word width

parameter wb_aw = 32; // Default Wishbone full address width

///////////////////////////

//                       //

// Instruction bus       //

//                       //

///////////////////////////

parameter ibus_arb_addr_match_width = 4;

// Slave addresses

parameter ibus_arb_slave0_adr = rom0_wb_adr; // ROM

parameter ibus_arb_slave1_adr = 4'h0;        // Main memory

///////////////////////////

//                       //

// Data bus              //

//                       //

///////////////////////////

// Has auto foward to last slave when no address hits

parameter dbus_arb_wb_addr_match_width = 8;

parameter dbus_arb_wb_num_slaves = 2;

// Slave addresses

parameter dbus_arb_slave0_adr = 4'h0; // Main memory (SDRAM/FPGA SRAM)

parameter dbus_arb_slave1_adr = 8'hxx; // Default slave - address don't care (X)

///////////////////////////////

//                           //

// Byte-wide peripheral bus  //

//                           //

///////////////////////////////

parameter bbus_arb_wb_addr_match_width = 8;

parameter bbus_arb_wb_num_slaves = 1; // Update this when changing slaves!

// Slave addresses

parameter bbus_arb_slave0_adr  = uart0_wb_adr;

parameter bbus_arb_slave1_adr  = 0 /* UNASSIGNED */;

parameter bbus_arb_slave2_adr  = 0 /* UNASSIGNED */;

parameter bbus_arb_slave3_adr  = 0 /* UNASSIGNED */;

parameter bbus_arb_slave4_adr  = 0 /* UNASSIGNED */;

parameter bbus_arb_slave5_adr  = 0 /* UNASSIGNED */;

parameter bbus_arb_slave6_adr  = 0 /* UNASSIGNED */;

parameter bbus_arb_slave7_adr  = 0 /* UNASSIGNED */;

parameter bbus_arb_slave8_adr  = 0 /* UNASSIGNED */;

parameter bbus_arb_slave9_adr  = 0 /* UNASSIGNED */;

parameter bbus_arb_slave10_adr = 0 /* UNASSIGNED */;

parameter bbus_arb_slave11_adr = 0 /* UNASSIGNED */;

parameter bbus_arb_slave12_adr = 0 /* UNASSIGNED */;

parameter bbus_arb_slave13_adr = 0 /* UNASSIGNED */;

parameter bbus_arb_slave14_adr = 0 /* UNASSIGNED */;

parameter bbus_arb_slave15_adr = 0 /* UNASSIGNED */;

parameter bbus_arb_slave16_adr  = 0 /* UNASSIGNED */;

parameter bbus_arb_slave17_adr  = 0 /* UNASSIGNED */;

parameter bbus_arb_slave18_adr  = 0 /* UNASSIGNED */;

parameter bbus_arb_slave19_adr  = 0 /* UNASSIGNED */;