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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: N2fcPioMRdStr.vr | |
4 | // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
5 | // 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
6 | // | |
7 | // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
8 | // | |
9 | // This program is free software; you can redistribute it and/or modify | |
10 | // it under the terms of the GNU General Public License as published by | |
11 | // the Free Software Foundation; version 2 of the License. | |
12 | // | |
13 | // This program is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | // | |
18 | // You should have received a copy of the GNU General Public License | |
19 | // along with this program; if not, write to the Free Software | |
20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | // | |
22 | // For the avoidance of doubt, and except that if any non-GPL license | |
23 | // choice is available it will apply instead, Sun elects to use only | |
24 | // the General Public License version 2 (GPLv2) at this time for any | |
25 | // software where a choice of GPL license versions is made | |
26 | // available with the language indicating that GPLv2 or any later version | |
27 | // may be used, or where a choice of which version of the GPL is applied is | |
28 | // otherwise unspecified. | |
29 | // | |
30 | // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
31 | // CA 95054 USA or visit www.sun.com if you need additional information or | |
32 | // have any questions. | |
33 | // | |
34 | // ========== Copyright Header End ============================================ | |
35 | class N2fcPioMRdStr extends PioMRdPEUStr { | |
36 | ||
37 | local string cmd; | |
38 | local bit [63:0] addr; | |
39 | local bit [31:0] length; | |
40 | local bit [31:0] dat; | |
41 | local bit [63:0] base; | |
42 | local bit [63:0] offset; | |
43 | local integer pio_error; // 0 = no error, 1 = timeout, 2 = uc | |
44 | ||
45 | public task new(PEUTestEnv a_env, | |
46 | string a_cmd, | |
47 | bit [63:0] a_addr, | |
48 | bit [31:0] a_length, | |
49 | bit [31:0] a_dat, | |
50 | bit [63:0] a_baseaddr, | |
51 | (bit[63:0] a_offset = 0), | |
52 | (integer a_err = 0) | |
53 | ); | |
54 | ||
55 | public task Execute(); | |
56 | ||
57 | local task SetCplHdr (); | |
58 | local task SetupParms (); | |
59 | } | |
60 | ||
61 | ||
62 | ||
63 | //------------------------------------------------------------------- | |
64 | // Method Name: | |
65 | // Description: | |
66 | //------------------------------------------------------------------- | |
67 | task N2fcPioMRdStr::new(PEUTestEnv a_env, | |
68 | string a_cmd, | |
69 | bit [63:0] a_addr, | |
70 | bit [31:0] a_length, | |
71 | bit [31:0] a_dat, | |
72 | bit [63:0] a_baseaddr, | |
73 | (bit[63:0] a_offset = 0), | |
74 | (integer a_err = 0) | |
75 | ) | |
76 | { | |
77 | super.new(a_env); | |
78 | ||
79 | if ( a_err == 3 ) { | |
80 | return; // don't set up an expect or a completion | |
81 | } | |
82 | ||
83 | this._env = a_env; | |
84 | this.cmd = a_cmd; | |
85 | this.addr = a_addr; | |
86 | this.length = a_length; | |
87 | this.dat = a_dat; | |
88 | this.base = a_baseaddr; | |
89 | this.offset = a_offset; | |
90 | this.pio_error = a_err; | |
91 | ||
92 | this.SetupParms (); | |
93 | this.Execute (); | |
94 | } | |
95 | ||
96 | ||
97 | ||
98 | task N2fcPioMRdStr::Execute() { | |
99 | ||
100 | SetPacketParams(); | |
101 | ||
102 | // Set up the Reqest ID bits from the CSR | |
103 | reqHdr[PEC_PCI__REQ_ID] = PiuCsrs.piuREQ_ID; | |
104 | cplHdr[PEC_PCI__CPL_REQ_ID] = PiuCsrs.piuREQ_ID; | |
105 | ||
106 | this._env.expectPCIE(reqHdr, 0, 1); | |
107 | non_posted_read_cmpl_outstanding++; | |
108 | ||
109 | SetCplHdr (); // gets the Request Id | |
110 | ||
111 | if ( this.pio_error == 1 ) { | |
112 | printf ("\nDEBUG : N2fcPioMRdStr::Execute pio timeout requested, so no completion generated\n"); | |
113 | return; // timeout - don't send a completion | |
114 | } | |
115 | ||
116 | fork { // don't block other expects | |
117 | ||
118 | sync( ALL, _env.ev_StallPioCpl); // stall the completion if event is OFF | |
119 | ||
120 | if ( (this._cpl_status === PEC_PCI__CPL_STATUS_RSVD1) || | |
121 | (this._cpl_status === PEC_PCI__CPL_STATUS_RSVD2) || | |
122 | (this._cpl_status === PEC_PCI__CPL_STATUS_RSVD3) || | |
123 | (this._cpl_status === PEC_PCI__CPL_STATUS_RSVD4)) { | |
124 | this._env.Pod.FNXPCIEEnableTrans.tempSuppressDenaliErr( PCIE_TL_NONFATAL_TLP_MF_vlCplSt ); //Malformed Completion TLP - Reserved completion status (%u). | |
125 | } | |
126 | ||
127 | //if ( this._ep_cpl && super.f_abortErrTlp ) | |
128 | if (this.pio_error == 2) { | |
129 | this._cpl_status = PEC_PCI__CPL_STATUS_UR; | |
130 | cplHdr [PEC_PCI__CPL_STATUS] = PEC_PCI__CPL_STATUS_UR; | |
131 | cplHdr [PEC_PCI__FMT] = PEC_PCI__FMT_NO_DATA_3DW; | |
132 | cplHdr [PEC_PCI__LEN] = 0; | |
133 | this._env.drivePCIE(cplHdr, this._data, *, *, *, 1); | |
134 | } | |
135 | else { | |
136 | this._env.drivePCIE(cplHdr, this._data); | |
137 | } | |
138 | ||
139 | if ((this._cpl_status === PEC_PCI__CPL_STATUS_CA) || | |
140 | (this._cpl_status === PEC_PCI__CPL_STATUS_UR) || | |
141 | (this._cpl_status === PEC_PCI__CPL_STATUS_RSVD1) || | |
142 | (this._cpl_status === PEC_PCI__CPL_STATUS_RSVD2) || | |
143 | (this._cpl_status === PEC_PCI__CPL_STATUS_RSVD3) || | |
144 | (this._cpl_status === PEC_PCI__CPL_STATUS_RSVD4)) { | |
145 | ||
146 | //// this._env.expectILU(urHdr, this._data); | |
147 | //mailbox_put(this._errQueue, e_ERR_oe_ruc); | |
148 | //mailbox_put(this._errQueue, cplHdr ); | |
149 | } | |
150 | ||
151 | else if (this._cpl_status === PEC_PCI__CPL_STATUS_CRS) { | |
152 | ||
153 | // Nothing pops out here. | |
154 | this._env.waitIngressLatency(cplHdr); | |
155 | //mailbox_put(this._errQueue, e_ERR_ue_mfp); | |
156 | //mailbox_put(this._errQueue, cplHdr ); | |
157 | } | |
158 | ||
159 | else if (this._ep_cpl === 1'b_1) { | |
160 | ||
161 | repeat(2) @(posedge CLOCK); | |
162 | cplHdr [PEC_PCI__EP] = 0; | |
163 | ||
164 | SetCplHdr (); | |
165 | this._env.drivePCIE(cplHdr, this._data); | |
166 | //// this._env.expectILU(cplHdr, this._data); | |
167 | // if ( this._errQueue != 0 ) | |
168 | // { | |
169 | // //N2 - Add checking of request header | |
170 | // mailbox_put( this._errQueue, e_ERR_none ); | |
171 | // mailbox_put( this._errQueue, -1 ); | |
172 | // mailbox_put( this._errQueue, reqHdr ); | |
173 | // mailbox_put( this._errQueue, e_ERR_ue_pp ); | |
174 | // cplHdr [PEC_PCI__EP] = 1; | |
175 | // mailbox_put(this._errQueue, cplHdr); | |
176 | // } | |
177 | } | |
178 | ||
179 | else { | |
180 | //// this._env.expectILU(cplHdr, this._data); | |
181 | } | |
182 | ||
183 | this._env.freePioTag(this._tag); | |
184 | non_posted_read_cmpl_outstanding--; | |
185 | } join none | |
186 | ||
187 | } | |
188 | ||
189 | ||
190 | task N2fcPioMRdStr::SetupParms() { | |
191 | ||
192 | bit [63:0] tmpAddr; | |
193 | ||
194 | tmpAddr = this.addr - (this.base + 64'hc0_0000_0000) | this.offset; | |
195 | ||
196 | _addr_msb_min = tmpAddr[63:32]; | |
197 | _addr_msb_max = tmpAddr[63:32]; | |
198 | ||
199 | _addr_lsb_min = tmpAddr[31:0]; | |
200 | _addr_lsb_max = tmpAddr[31:0]; | |
201 | ||
202 | if(tmpAddr[63:32]) { | |
203 | _format_req_prob_3dw = 0; | |
204 | _format_req_prob_4dw = 100; | |
205 | } | |
206 | else { | |
207 | _format_req_prob_3dw = 100; | |
208 | _format_req_prob_4dw = 0; | |
209 | } | |
210 | ||
211 | _data_min = dat; | |
212 | _data_max = dat; | |
213 | ||
214 | _ep_cpl_prob_false = 100; | |
215 | _ep_cpl_prob_true = 0; | |
216 | ||
217 | _td_cpl_prob_false = 100; | |
218 | _td_cpl_prob_true = 0; | |
219 | ||
220 | _cpl_status_prob_sc = 100; | |
221 | _cpl_status_prob_ur = 0; | |
222 | _cpl_status_prob_crs = 0; | |
223 | _cpl_status_prob_ca = 0; | |
224 | _cpl_status_prob_rsvd1 = 0; | |
225 | _cpl_status_prob_rsvd2 = 0; | |
226 | _cpl_status_prob_rsvd3 = 0; | |
227 | _cpl_status_prob_rsvd4 = 0; | |
228 | ||
229 | _bcm_prob_false = 100; | |
230 | _bcm_prob_true = 0; | |
231 | ||
232 | ||
233 | ||
234 | // Select DWBE based on address, length combination | |
235 | // | |
236 | _first_dwbe_min = 4'b0000; | |
237 | _last_dwbe_min = 4'b0000; | |
238 | ||
239 | ||
240 | _len_min = 1; | |
241 | ||
242 | ||
243 | case (length) { | |
244 | 32'd1 : | |
245 | case (addr[1:0]) { | |
246 | 2'b00 : _first_dwbe_min = 4'b0001; | |
247 | 2'b01 : _first_dwbe_min = 4'b0010; | |
248 | 2'b10 : _first_dwbe_min = 4'b0100; | |
249 | 2'b11 : _first_dwbe_min = 4'b1000; | |
250 | default : | |
251 | error ("\n N2fcPioMRdStr::SetupParms size ERROR A = %0h L = %0d\n", addr[3:0], length); | |
252 | } | |
253 | ||
254 | 32'd2 : | |
255 | case (addr[1:0]) { | |
256 | 2'b00 : _first_dwbe_min = 4'b0011; | |
257 | 2'b10 : _first_dwbe_min = 4'b1100; | |
258 | default : | |
259 | error ("\n N2fcPioMRdStr::SetupParms size ERROR A = %0h L = %0d\n", addr[3:0], length); | |
260 | } | |
261 | ||
262 | 32'd4 : { | |
263 | _first_dwbe_min = 4'b1111; | |
264 | } | |
265 | ||
266 | 32'd8 : { | |
267 | _first_dwbe_min = 4'b1111; | |
268 | _last_dwbe_min = 4'b1111; | |
269 | _len_min = 2; | |
270 | } | |
271 | ||
272 | 32'd16 : { | |
273 | _first_dwbe_min = 4'b1111; | |
274 | _last_dwbe_min = 4'b1111; | |
275 | _len_min = 4; | |
276 | } | |
277 | ||
278 | default : | |
279 | error ("\n N2fcPioMRdStr::SetupParms ERROR Illegal Size = %0d\n", length); | |
280 | } | |
281 | ||
282 | _first_dwbe_max = _first_dwbe_min; | |
283 | _last_dwbe_max = _last_dwbe_min; | |
284 | _len_max = _len_min; | |
285 | ||
286 | printf ("UDEBUG :N2fcPioMRdStr _first_dwbe = %0h _last_dwbe = %0h _len = %0d\n\t_addr_msb_min %h _addr_lsb_min %h addr %h base %h offset %h\n", _first_dwbe_max, _last_dwbe_max, _len_max, _addr_msb_min, _addr_lsb_min, addr, base, offset ); | |
287 | } | |
288 | ||
289 | ||
290 | ||
291 | task N2fcPioMRdStr::SetCplHdr () { | |
292 | //printf ("UDEBUG : N2fcPioMRdStr::SetCplHdr Got a Req Tag of %0h\n", this._env.ReceivedReqTag); | |
293 | cplHdr[PEC_PCI__CPL_TAG] = this._env.ReceivedReqTag; | |
294 | } | |
295 |