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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: xpcs_util.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 | #include <vera_defines.vrh> | |
36 | #include "mac_defines.vri" | |
37 | #include "xpcs_memory_map.vri" | |
38 | #include "pio_driver.vrh" | |
39 | #include "mac_pio_class.vrh" | |
40 | #include "pcs_memory_map.vri" | |
41 | #include "pcs_util.vrh" | |
42 | ||
43 | extern mac_pio_cl mac_pio_class; | |
44 | ||
45 | class xpcs_util_class { | |
46 | ||
47 | pcs_util_class pcs_util_cl; | |
48 | ||
49 | task new(); | |
50 | task xpcs_init ( integer iport); | |
51 | function bit[39:0] get_xpcs_reg_base(integer iport); | |
52 | task link_up_rdy (integer iport); | |
53 | ||
54 | } | |
55 | ||
56 | task xpcs_util_class :: new(){ | |
57 | ||
58 | pcs_util_cl = new(); | |
59 | } | |
60 | ||
61 | ||
62 | task xpcs_util_class :: xpcs_init ( integer iport ) { | |
63 | ||
64 | bit [39:0] base_addr; | |
65 | bit [31:0] rd_data; | |
66 | integer count = 0; | |
67 | ||
68 | base_addr = get_xpcs_reg_base(iport); | |
69 | ||
70 | ||
71 | mac_pio_class.mac_pio_wr(base_addr + XPCS_CONTROL1, 32'h0000_8000); | |
72 | printf("The address is %0h\n",base_addr + XPCS_CONTROL1); | |
73 | ||
74 | while (rd_data[15] != 1'b0) { | |
75 | mac_pio_class.mac_pio_rd(base_addr + XPCS_CONTROL1, rd_data); | |
76 | count++; | |
77 | if(count > 100) { | |
78 | printf("ERROR : XPCS SW_RESET FAILED\n"); | |
79 | } | |
80 | repeat(20) @(CLOCK); | |
81 | } | |
82 | repeat(4) @(CLOCK); | |
83 | ||
84 | printf("XPCS Reseted successfully\n"); | |
85 | ||
86 | } | |
87 | ||
88 | task xpcs_util_class :: link_up_rdy(integer iport){ | |
89 | integer count = 0; | |
90 | integer link_up = 0; | |
91 | bit [31:0] r_data; | |
92 | bit [39:0] base_addr; | |
93 | integer mac_speed0,mac_speed1; | |
94 | ||
95 | if ( get_plus_arg(CHECK, "MAC_SPEED0=") ) | |
96 | { | |
97 | mac_speed0 = get_plus_arg(NUM, "MAC_SPEED0") ; | |
98 | } | |
99 | if ( get_plus_arg(CHECK, "MAC_SPEED1=") ) | |
100 | { | |
101 | mac_speed1 = get_plus_arg(NUM, "MAC_SPEED1") ; | |
102 | } | |
103 | ||
104 | if(iport == 0){ | |
105 | if(mac_speed0 == 10000){ | |
106 | base_addr = get_xpcs_reg_base(0); | |
107 | while (!link_up) { | |
108 | if(count != 0) | |
109 | repeat (100) @(posedge CLOCK); | |
110 | mac_pio_class.mac_pio_rd(base_addr + XPCS_STATUS1, r_data); | |
111 | if(r_data[2]) { | |
112 | count = 0; | |
113 | link_up = 1; | |
114 | printf("INFO : link is up\n"); | |
115 | } else { | |
116 | count++; | |
117 | if(count > 500) { | |
118 | printf("ERROR : link_up didn't go high after 50000 clocks\n"); | |
119 | link_up = 1; | |
120 | } else link_up = 0; | |
121 | } | |
122 | } | |
123 | } | |
124 | else if(mac_speed0 == 1000){ | |
125 | base_addr = pcs_util_cl.get_pcs_reg_base(0); | |
126 | mac_pio_class.mac_pio_rd(base_addr + PCS_DATAPATH_MODE, r_data); | |
127 | if(r_data[1] == 0) { | |
128 | while (!link_up) { | |
129 | if(count != 0) | |
130 | repeat (100) @(posedge CLOCK); | |
131 | mac_pio_class.mac_pio_rd(base_addr + PCS_MII_STATUS, r_data); | |
132 | if(r_data[2] == 1'b1) { | |
133 | count = 0; | |
134 | link_up = 1; | |
135 | printf("INFO : link is up\n"); | |
136 | } else { | |
137 | count++; | |
138 | if(count > 500) { | |
139 | printf("ERROR : link_up didn't go high after 50000 clocks\n"); | |
140 | link_up = 1; | |
141 | } else link_up = 0; | |
142 | } | |
143 | } | |
144 | } | |
145 | else | |
146 | printf("not checking for link since in RGMII mode"); | |
147 | } | |
148 | } | |
149 | if(iport == 1){ | |
150 | if(mac_speed1 == 10000){ | |
151 | base_addr = get_xpcs_reg_base(1); | |
152 | while (!link_up) { | |
153 | if(count != 0) | |
154 | repeat (100) @(posedge CLOCK); | |
155 | mac_pio_class.mac_pio_rd(base_addr + XPCS_STATUS1, r_data); | |
156 | if(r_data[2]) { | |
157 | count = 0; | |
158 | link_up = 1; | |
159 | printf("INFO : link is up\n"); | |
160 | } else { | |
161 | count++; | |
162 | if(count > 500) { | |
163 | printf("ERROR : link_up didn't go high after 50000 clocks\n"); | |
164 | link_up = 1; | |
165 | } else link_up = 0; | |
166 | } | |
167 | } | |
168 | } | |
169 | else if(mac_speed1 == 1000){ | |
170 | base_addr = pcs_util_cl.get_pcs_reg_base(1); | |
171 | mac_pio_class.mac_pio_rd(base_addr + PCS_DATAPATH_MODE, r_data); | |
172 | if(r_data[1] == 0) { | |
173 | while (!link_up) { | |
174 | if(count != 0) | |
175 | repeat (100) @(posedge CLOCK); | |
176 | mac_pio_class.mac_pio_rd(base_addr + PCS_MII_STATUS, r_data); | |
177 | if(r_data[2] == 1'b1) { | |
178 | count = 0; | |
179 | link_up = 1; | |
180 | printf("INFO : link is up\n"); | |
181 | } else { | |
182 | count++; | |
183 | if(count > 500) { | |
184 | printf("ERROR : link_up didn't go high after 50000 clocks\n"); | |
185 | link_up = 1; | |
186 | } else link_up = 0; | |
187 | } | |
188 | } | |
189 | } | |
190 | else | |
191 | printf("not checking for link since in RGMII mode"); | |
192 | } | |
193 | } | |
194 | ||
195 | } | |
196 | ||
197 | function bit[39:0] xpcs_util_class :: get_xpcs_reg_base(integer iport){ | |
198 | ||
199 | case(iport) { | |
200 | 0: get_xpcs_reg_base = XPCS0_BASE; | |
201 | 1: get_xpcs_reg_base = XPCS1_BASE; | |
202 | default: error("Error: Invalid PORT (%0d) for get_xpcs_reg_base task\n",iport); | |
203 | } | |
204 | ||
205 | } | |
206 |