Subversion Repositories s1_core

// ========== Copyright Header Begin ==========================================
// 
// OpenSPARC T1 Processor File: cpx_spc_buf.v
// Copyright (c) 2006 Sun Microsystems, Inc.  All Rights Reserved.
// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
// 
// The above named program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License version 2 as published by the Free Software Foundation.
// 
// The above named 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 work; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
// 
// ========== Copyright Header End ============================================
/*
/* ========== Copyright Header Begin ==========================================
* 
* OpenSPARC T1 Processor File: sys.h
* Copyright (c) 2006 Sun Microsystems, Inc.  All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
* 
* The above named program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License version 2 as published by the Free Software Foundation.
* 
* The above named 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 work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
* 
* ========== Copyright Header End ============================================
*/
// -*- verilog -*-
////////////////////////////////////////////////////////////////////////
/*
//
// Description:		Global header file that contain definitions that 
//                      are common/shared at the systme level
*/
////////////////////////////////////////////////////////////////////////
//
// Setting the time scale
// If the timescale changes, JP_TIMESCALE may also have to change.
`timescale	1ps/1ps
 
//
// JBUS clock
// =========
//
 
 
 
// Afara Link Defines
// ==================
 
// Reliable Link
 
 
 
 
// Afara Link Objects
 
 
// Afara Link Object Format - Reliable Link
 
 
 
 
 
 
 
 
 
 
// Afara Link Object Format - Congestion
 
 
 
 
 
 
 
 
 
 
 
// Afara Link Object Format - Acknowledge
 
 
 
 
 
 
 
 
 
 
 
// Afara Link Object Format - Request
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
// Afara Link Object Format - Message
 
 
 
// Acknowledge Types
 
 
 
 
// Request Types
 
 
 
 
 
// Afara Link Frame
 
 
 
//
// UCB Packet Type
// ===============
//
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
//
// UCB Data Packet Format
// ======================
//
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
// Size encoding for the UCB_SIZE_HI/LO field
// 000 - byte
// 001 - half-word
// 010 - word
// 011 - double-word
// 111 - quad-word
 
 
 
 
 
 
 
//
// UCB Interrupt Packet Format
// ===========================
//
 
 
 
 
 
 
 
 
 
 
//`define UCB_THR_HI             9      // (6) cpu/thread ID shared with
//`define UCB_THR_LO             4             data packet format
//`define UCB_PKT_HI             3      // (4) packet type shared with
//`define UCB_PKT_LO             0      //     data packet format
 
 
 
 
 
 
 
//
// FCRAM Bus Widths
// ================
//
 
 
 
 
 
 
//
// ENET clock periods
// ==================
//
 
 
 
 
//
// JBus Bridge defines
// =================
//
 
 
 
 
 
 
 
 
 
 
 
//
// PCI Device Address Configuration
// ================================
//
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
/*
/* ========== Copyright Header Begin ==========================================
* 
* OpenSPARC T1 Processor File: iop.h
* Copyright (c) 2006 Sun Microsystems, Inc.  All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
* 
* The above named program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License version 2 as published by the Free Software Foundation.
* 
* The above named 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 work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
* 
* ========== Copyright Header End ============================================
*/
//-*- verilog -*-
////////////////////////////////////////////////////////////////////////
/*
//
//  Description:	Global header file that contain definitions that 
//                      are common/shared at the IOP chip level
*/
////////////////////////////////////////////////////////////////////////
 
 
// Address Map Defines
// ===================
 
 
 
 
// CMP space
 
 
 
// IOP space
 
 
 
 
                               //`define ENET_ING_CSR     8'h84
                               //`define ENET_EGR_CMD_CSR 8'h85
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
// L2 space
 
 
 
// More IOP space
 
 
 
 
 
//Cache Crossbar Width and Field Defines
//======================================
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
//bits 133:128 are shared by different fields
//for different packet types.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
//End cache crossbar defines
 
 
// Number of COS supported by EECU 
 
 
 
// 
// BSC bus sizes
// =============
//
 
// General
 
 
 
 
// CTags
 
 
 
 
 
 
 
 
 
 
 
 
 
// reinstated temporarily
 
 
 
 
// CoS
 
 
 
 
 
 
// L2$ Bank
 
 
 
// L2$ Req
 
 
 
 
 
 
 
 
 
 
 
 
 
// L2$ Ack
 
 
 
 
 
 
 
 
// Enet Egress Command Unit
 
 
 
 
 
 
 
 
 
 
 
 
 
 
// Enet Egress Packet Unit
 
 
 
 
 
 
 
 
 
 
 
 
 
// This is cleaved in between Egress Datapath Ack's
 
 
 
 
 
 
 
 
// Enet Egress Datapath
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
// In-Order / Ordered Queue: EEPU
// Tag is: TLEN, SOF, EOF, QID = 15
 
 
 
 
 
 
// Nack + Tag Info + CTag
 
 
 
 
// ENET Ingress Queue Management Req
 
 
 
 
 
 
 
 
 
 
 
 
// ENET Ingress Queue Management Ack
 
 
 
 
 
 
 
 
// Enet Ingress Packet Unit
 
 
 
 
 
 
 
 
 
 
 
 
// ENET Ingress Packet Unit Ack
 
 
 
 
 
 
 
// In-Order / Ordered Queue: PCI
// Tag is: CTAG
 
 
 
 
 
// PCI-X Request
 
 
 
 
 
 
 
 
 
 
 
// PCI_X Acknowledge
 
 
 
 
 
 
 
 
 
 
 
//
// BSC array sizes
//================
//
 
 
 
 
 
 
 
 
 
 
 
 
// ECC syndrome bits per memory element
 
 
 
 
//
// BSC Port Definitions
// ====================
//
// Bits 7 to 4 of curr_port_id
 
 
 
 
 
 
 
 
// Number of ports of each type
 
 
// Bits needed to represent above
 
 
// How wide the linked list pointers are
// 60b for no payload (2CoS)
// 80b for payload (2CoS)
 
//`define BSC_OBJ_PTR   80
//`define BSC_HD1_HI    69
//`define BSC_HD1_LO    60
//`define BSC_TL1_HI    59
//`define BSC_TL1_LO    50
//`define BSC_CT1_HI    49
//`define BSC_CT1_LO    40
//`define BSC_HD0_HI    29
//`define BSC_HD0_LO    20
//`define BSC_TL0_HI    19
//`define BSC_TL0_LO    10
//`define BSC_CT0_HI     9
//`define BSC_CT0_LO     0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
// I2C STATES in DRAMctl
 
 
 
 
 
 
 
//
// IOB defines
// ===========
//
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
//`define IOB_INT_STAT_WIDTH   32
//`define IOB_INT_STAT_HI      31
//`define IOB_INT_STAT_LO       0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
// fixme - double check address mapping
// CREG in `IOB_INT_CSR space
 
 
 
 
 
 
 
 
 
 
// CREG in `IOB_MAN_CSR space
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
// Address map for TAP access of SPARC ASI
 
 
 
 
 
 
 
 
 
 
 
 
 
//
// CIOP UCB Bus Width
// ==================
//
//`define IOB_EECU_WIDTH       16  // ethernet egress command
//`define EECU_IOB_WIDTH       16
 
//`define IOB_NRAM_WIDTH       16  // NRAM (RLDRAM previously)
//`define NRAM_IOB_WIDTH        4
 
 
 
 
//`define IOB_ENET_ING_WIDTH   32  // ethernet ingress
//`define ENET_ING_IOB_WIDTH    8
 
//`define IOB_ENET_EGR_WIDTH    4  // ethernet egress
//`define ENET_EGR_IOB_WIDTH    4
 
//`define IOB_ENET_MAC_WIDTH    4  // ethernet MAC
//`define ENET_MAC_IOB_WIDTH    4
 
 
 
 
//`define IOB_BSC_WIDTH         4  // BSC
//`define BSC_IOB_WIDTH         4
 
 
 
 
 
 
 
//`define IOB_CLSP_WIDTH        4  // clk spine unit
//`define CLSP_IOB_WIDTH        4
 
 
 
 
 
//
// CIOP UCB Buf ID Type
// ====================
//
 
 
 
//
// Interrupt Device ID
// ===================
//
// Caution: DUMMY_DEV_ID has to be 9 bit wide
//          for fields to line up properly in the IOB.
 
 
 
//
// Soft Error related definitions 
// ==============================
//
 
 
 
//
// CMP clock
// =========
//
 
 
 
 
//
// NRAM/IO Interface
// =================
//
 
 
 
 
 
 
 
 
 
 
//
// NRAM/ENET Interface
// ===================
//
 
 
 
 
 
 
 
//
// IO/FCRAM Interface
// ==================
//
 
 
 
 
 
 
//
// PCI Interface
// ==================
// Load/store size encodings
// -------------------------
// Size encoding
// 000 - byte
// 001 - half-word
// 010 - word
// 011 - double-word
// 100 - quad
 
 
 
 
 
 
//
// JBI<->SCTAG Interface
// =======================
// Outbound Header Format
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
// Inbound Header Format
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
//
// JBI->IOB Mondo Header Format
// ============================
//
 
 
 
 
 
 
 
 
 
 
 
 
 
 
// JBI->IOB Mondo Bus Width/Cycle
// ==============================
// Cycle  1 Header[15:8]
// Cycle  2 Header[ 7:0]
// Cycle  3 J_AD[127:120]
// Cycle  4 J_AD[119:112]
// .....
// Cycle 18 J_AD[  7:  0]
 
 
/*
/* ========== Copyright Header Begin ==========================================
* 
* OpenSPARC T1 Processor File: ifu.h
* Copyright (c) 2006 Sun Microsystems, Inc.  All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
* 
* The above named program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License version 2 as published by the Free Software Foundation.
* 
* The above named 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 work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
* 
* ========== Copyright Header End ============================================
*/
////////////////////////////////////////////////////////////////////////
/*
//
//  Module Name: ifu.h
//  Description:	
//  All ifu defines
*/
 
//--------------------------------------------
// Icache Values in IFU::ICD/ICV/ICT/FDP/IFQDP
//--------------------------------------------
// Set Values
 
// IC_IDX_HI = log(icache_size/4ways) - 1
 
 
// !!IMPORTANT!! a change to IC_LINE_SZ will mean a change to the code as
//   well.  Unfortunately this has not been properly parametrized.
//   Changing the IC_LINE_SZ param alone is *not* enough.
 
 
// !!IMPORTANT!! a change to IC_TAG_HI will mean a change to the code as
//   well.  Changing the IC_TAG_HI param alone is *not* enough to
//   change the PA range. 
// highest bit of PA
 
 
 
// Derived Values
// 4095
 
 
// number of entries - 1 = 511
 
 
// 12
 
 
// 28
 
 
// 7
 
 
// tags for all 4 ways + parity
// 116
 
 
// 115
 
 
 
//----------------------------------------------------------------------
// For thread scheduler in IFU::DTU::SWL
//----------------------------------------------------------------------
// thread states:  (thr_state[4:0])
 
 
 
 
 
 
 
 
 
// thread configuration register bit fields
 
 
 
 
 
 
 
//----------------------------------------------------------------------
// For MIL fsm in IFU::IFQ
//----------------------------------------------------------------------
 
 
 
 
 
 
 
 
 
 
 
//---------------------------------------------------
// Interrupt Block
//---------------------------------------------------
 
 
 
 
 
 
 
//-------------------------------------
// IFQ
//-------------------------------------
// valid bit plus ifill
 
 
 
 
 
 
 
 
 
 
 
 
 
//`ifdef SPARC_L2_64B
 
 
//`else
//`define BANK_ID_HI 8
//`define BANK_ID_LO 7
//`endif
 
//`define CPX_INV_PA_HI  116
//`define CPX_INV_PA_LO  112
 
 
 
 
 
 
 
//----------------------------------------
// IFU Traps
//----------------------------------------
// precise
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
// disrupting
 
 
 
 
 
 
 
 
module cpx_spc_buf (/*AUTOARG*/
   // Outputs
   cpx_spc_data_cx2_buf, cpx_spc_data_rdy_cx2_buf, 
   // Inputs
   cpx_spc_data_cx2, cpx_spc_data_rdy_cx2
   );
 
 
input  [145-1:0] cpx_spc_data_cx2;      
input                   cpx_spc_data_rdy_cx2;
 
output [145-1:0] cpx_spc_data_cx2_buf;
output                  cpx_spc_data_rdy_cx2_buf;    
 
assign  cpx_spc_data_rdy_cx2_buf  =  cpx_spc_data_rdy_cx2 ;
assign  cpx_spc_data_cx2_buf  =  cpx_spc_data_cx2 ;
 
endmodule