// ========== Copyright Header Begin ==========================================
// 
// OpenSPARC T2 Processor File: csr_define.vri
// Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved
// 4150 Network Circle, Santa Clara, California 95054, U.S.A.
//
// * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
// 
// For the avoidance of doubt, and except that if any non-GPL license 
// choice is available it will apply instead, Sun elects to use only 
// the General Public License version 2 (GPLv2) at this time for any 
// software where a choice of GPL license versions is made 
// available with the language indicating that GPLv2 or any later version 
// may be used, or where a choice of which version of the GPL is applied is 
// otherwise unspecified. 
//
// Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 
// CA 95054 USA or visit www.sun.com if you need additional information or 
// have any questions. 
// 
// ========== Copyright Header End ============================================
#ifndef CSR_DEFINE
#define CSR_DEFINE

#define FIRE_CSRBUS_DATA_WIDTH	64
#define FIRE_CSRBUS_ADDR_WIDTH	27

//----- Source bus encodings
#define FIRE_CSRBUS_SRC_BUS_ENC_JTAG	2'b00
#define FIRE_CSRBUS_SRC_BUS_ENC_PIO_SLOW	2'b01
#define FIRE_CSRBUS_SRC_BUS_ENC_PIO_MED	2'b10
#define FIRE_CSRBUS_SRC_BUS_ENC_PIO_FAST	2'b11

#define BOOLEAN bit

#define ZEROS 64'b0

#define CSR_CHECK_DISABLED 0
#define CSR_CHECK_ENABLED  1


#define CSR_ALL_OUTPUT_MSG_DISABLED		0
#define CSR_ERROR_MSG_ONLY_ENABLED		1
#define CSR_WARNING_MSG_ENABLED			2
#define CSR_COLLECTION_LEVEL_MSG_ENABLED	3
#define CSR_ACCESSOR_LEVEL_MSG_ENABLED		4
#define CSR_ALL_OUTPUT_MSG_ENABLED		5

#define CSR_SUCCESSFUL_RETURN_CODE		0
#define CSR_MISMATCH_RETURN_CODE		1

#define ADDR_OFFSET_WIDTH			64
#define MODE_WIDTH				64

#define NO_ACCESS                               0
#define READ_ACCESS                             1
#define FULL_ACCESS                             3

//access mode bits
#define ZERO_TIME_ACCESS			0
#define CSR_DIAG_MODE				1
#endif