source: XOpenSparcT1/trunk/T1-common/include/sys.h @ 6

Revision 6, 8.3 KB checked in by pntsvt00, 13 years ago (diff)

versione iniziale opensparc
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1/*
2* ========== Copyright Header Begin ==========================================
3*
4* OpenSPARC T1 Processor File: sys.h
5* Copyright (c) 2006 Sun Microsystems, Inc.  All Rights Reserved.
6* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
7*
8* The above named program is free software; you can redistribute it and/or
9* modify it under the terms of the GNU General Public
10* License version 2 as published by the Free Software Foundation.
11*
12* The above named program is distributed in the hope that it will be
13* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
14* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15* General Public License for more details.
16*
17* You should have received a copy of the GNU General Public
18* License along with this work; if not, write to the Free Software
19* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
20*
21* ========== Copyright Header End ============================================
22*/
23// -*- verilog -*-
24////////////////////////////////////////////////////////////////////////
25/*
26//
27// Description:         Global header file that contain definitions that
28//                      are common/shared at the systme level
29*/
30////////////////////////////////////////////////////////////////////////
31//
32// Setting the time scale
33// If the timescale changes, JP_TIMESCALE may also have to change.
34`timescale      1ps/1ps
35
36//
37// JBUS clock
38// =========
39//
40`define SYSCLK_PERIOD   5000
41
42
43// Afara Link Defines
44// ==================
45
46// Reliable Link
47`define AL_RB_CNT       16
48`define AL_RB_IDX        4
49`define AL_RB_WINDOW    `AL_RB_IDX'd8
50
51// Afara Link Objects
52`define AL_OBJ_SZ      112
53
54// Afara Link Object Format - Reliable Link
55`define AL_RL_HI       111
56`define AL_RL_LO       103
57`define AL_RL_SZ         9
58
59`define AL_ESN_HI      111
60`define AL_ESN_LO      108
61`define AL_SSN_HI      107
62`define AL_SSN_LO      104
63`define AL_ED          103
64
65// Afara Link Object Format - Congestion
66`define AL_CNG_HI      102
67`define AL_CNG_LO       94
68`define AL_CNG_SZ        9
69 
70`define AL_REQ_CNG     102
71`define AL_BSCT_HI     101
72`define AL_BSCT_LO      96
73`define AL_EGR_P_CNG    95
74`define AL_MARK         94
75
76
77// Afara Link Object Format - Acknowledge
78`define AL_ACK_SZ       21
79`define AL_A_COS        93
80`define AL_A_TYP_HI     92
81`define AL_A_TYP_LO     91
82`define AL_A_NACK       90
83`define AL_A_TAG_HI     89
84`define AL_A_TAG_LO     80
85`define AL_A_PORT_HI    79
86`define AL_A_PORT_LO    73
87
88
89// Afara Link Object Format - Request
90`define AL_REQ_SZ       73
91`define AL_R_COS        72
92`define AL_R_TYP_HI     71
93`define AL_R_TYP_LO     70
94`define AL_R_SCR_HI     69
95`define AL_R_SCR_LO     67
96`define AL_R_TCR_HI     66
97`define AL_R_TCR_LO     64
98`define AL_R_TAG_HI     63
99`define AL_R_TAG_LO     54
100`define AL_R_PORT_HI    53
101`define AL_R_PORT_LO    47
102`define AL_R_LEN_HI     46
103`define AL_R_LEN_LO     40
104`define AL_R_ADD_HI     39
105`define AL_R_ADD_LO      0
106
107// Afara Link Object Format - Message
108`define AL_M_MQID_HI     2
109`define AL_M_MQID_LO     0
110
111// Acknowledge Types
112`define AL_ACK_NONE   2'b00
113`define AL_ACK_NPAY   2'b01
114`define AL_ACK_WPAY   2'b10
115
116// Request Types
117`define AL_REQ_NONE   2'b00
118`define AL_REQ_NPAY   2'b01
119`define AL_REQ_WPAY   2'b10
120`define AL_REQ_MSG    2'b11
121
122// Afara Link Frame
123`define AL_FRAME_SZ    144
124
125
126//
127// UCB Packet Type
128// ===============
129//
130`define UCB_READ_NACK        4'b0000    // ack/nack types
131`define UCB_READ_ACK         4'b0001
132`define UCB_WRITE_ACK        4'b0010
133`define UCB_IFILL_ACK        4'b0011
134`define UCB_IFILL_NACK       4'b0111
135
136`define UCB_READ_REQ         4'b0100    // req types
137`define UCB_WRITE_REQ        4'b0101
138`define UCB_IFILL_REQ        4'b0110
139
140`define UCB_INT              4'b1000    // plain interrupt
141`define UCB_INT_VEC          4'b1100    // interrupt with vector
142`define UCB_RESET_VEC        4'b1101    // reset with vector
143`define UCB_IDLE_VEC         4'b1110    // idle with vector
144`define UCB_RESUME_VEC       4'b1111    // resume with vector
145
146
147//
148// UCB Data Packet Format
149// ======================
150//
151`define UCB_NOPAY_PKT_WIDTH   64        // packet without payload
152`define UCB_64PAY_PKT_WIDTH  128        // packet with 64 bit payload
153`define UCB_128PAY_PKT_WIDTH 192        // packet with 128 bit payload
154
155`define UCB_DATA_EXT_HI      191        // (64) extended data
156`define UCB_DATA_EXT_LO      128
157`define UCB_DATA_HI          127        // (64) data
158`define UCB_DATA_LO           64
159`define UCB_RSV_HI            63        // (9) reserved bits
160`define UCB_RSV_LO            55
161`define UCB_ADDR_HI           54        // (40) bit address
162`define UCB_ADDR_LO           15
163`define UCB_SIZE_HI           14        // (3) request size
164`define UCB_SIZE_LO           12
165`define UCB_BUF_HI            11        // (2) buffer ID
166`define UCB_BUF_LO            10
167`define UCB_THR_HI             9        // (6) cpu/thread ID
168`define UCB_THR_LO             4
169`define UCB_PKT_HI             3        // (4) packet type
170`define UCB_PKT_LO             0
171
172`define UCB_DATA_EXT_WIDTH    64
173`define UCB_DATA_WIDTH        64
174`define UCB_RSV_WIDTH          9
175`define UCB_ADDR_WIDTH        40 
176`define UCB_SIZE_WIDTH         3
177`define UCB_BUFID_WIDTH        2
178`define UCB_THR_WIDTH          6
179`define UCB_PKT_WIDTH          4
180
181// Size encoding for the UCB_SIZE_HI/LO field
182// 000 - byte
183// 001 - half-word
184// 010 - word
185// 011 - double-word
186// 111 - quad-word
187`define UCB_SIZE_1B          3'b000
188`define UCB_SIZE_2B          3'b001
189`define UCB_SIZE_4B          3'b010
190`define UCB_SIZE_8B          3'b011
191`define UCB_SIZE_16B         3'b111
192
193
194//
195// UCB Interrupt Packet Format
196// ===========================
197//
198`define UCB_INT_PKT_WIDTH     64
199
200`define UCB_INT_RSV_HI        63        // (7) reserved bits
201`define UCB_INT_RSV_LO        57
202`define UCB_INT_VEC_HI        56        // (6) interrupt vector
203`define UCB_INT_VEC_LO        51
204`define UCB_INT_STAT_HI       50        // (32) interrupt status
205`define UCB_INT_STAT_LO       19
206`define UCB_INT_DEV_HI        18        // (9) device ID
207`define UCB_INT_DEV_LO        10
208//`define UCB_THR_HI             9      // (6) cpu/thread ID shared with
209//`define UCB_THR_LO             4             data packet format
210//`define UCB_PKT_HI             3      // (4) packet type shared with
211//`define UCB_PKT_LO             0      //     data packet format
212
213`define UCB_INT_RSV_WIDTH      7
214`define UCB_INT_VEC_WIDTH      6
215`define UCB_INT_STAT_WIDTH    32
216`define UCB_INT_DEV_WIDTH      9
217
218
219//
220// FCRAM Bus Widths
221// ================
222//
223`define FCRAM_DQ_WIDTH                16
224`define FCRAM_DQS_WIDTH                2
225`define FCRAM_ADDR_WIDTH              15
226`define FCRAM_BA_WIDTH                 2
227
228
229//
230// ENET clock periods
231// ==================
232//
233`define AXGRMII_CLK_PERIOD          6400 // 312.5MHz/2
234`define ENET_GMAC_CLK_PERIOD        8000 // 125MHz
235
236
237//
238// JBus Bridge defines
239// =================
240//
241`define      SYS_UPA_CLK        `SYS.upa_clk
242`define      SYS_J_CLK          `SYS.j_clk
243`define      SYS_P_CLK          `SYS.p_clk
244`define      SYS_G_CLK          `SYS.g_clk
245`define      JP_TIMESCALE       `timescale 1 ps / 1 ps
246`define      PCI_CLK_PERIOD     15152                  //  66 MHz
247`define      UPA_RD_CLK_PERIOD  6666                   // 150 MHz
248`define      UPA_REF_CLK_PERIOD 7576                   // 132 MHz
249`define      ICHIP_CLK_PERIOD   30304                  //  33 MHz
250
251
252//
253// PCI Device Address Configuration
254// ================================
255//
256`define PRIM_SLAVE1_MEM0_L      64'h0000000000000000
257`define PRIM_SLAVE1_MEM0_H      64'h000000003fff0000
258`define PRIM_SLAVE1_IO0_L       64'h0000000000000000
259`define PRIM_SLAVE1_IO0_H       64'h00000000002f0000
260`define PRIM_SLAVE1_JBUS_BASE   64'h000007ff00000000
261
262`define PRIM_SLAVE2_MEM0_L      64'h0000000040000000
263`define PRIM_SLAVE2_MEM0_H      64'h00000000Dfffffff
264`define PRIM_SLAVE2_IO0_L       64'h0000000000300000
265`define PRIM_SLAVE2_IO0_H       64'h00000000005fffff
266`define PRIM_SLAVE2_JBUS_BASE   64'h000007ff40000000
267
268`define PCIB_SLAVE1_MEM0_L      64'h0000000000000000
269`define PCIB_SLAVE1_MEM0_H      64'h000000003fff0000
270`define PCIB_SLAVE1_IO0_L       64'h0000000000000000
271`define PCIB_SLAVE1_IO0_H       64'h00000000002fffff
272`define PCIB_SLAVE1_JBUS_BASE   64'h000007f780000000
273
274`define PCIB_SLAVE2_MEM0_L      64'h0000000040000000
275`define PCIB_SLAVE2_MEM0_H      64'h000000007fffffff
276`define PCIB_SLAVE2_IO0_L       64'h0000000000300000
277`define PCIB_SLAVE2_IO0_H       64'h00000000007fffff
278`define PCIB_SLAVE2_JBUS_BASE   64'h000007f7c0000000
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