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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: txrxrand_1.s | |
5 | * Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
6 | * 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
7 | * | |
8 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; version 2 of the License. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | * For the avoidance of doubt, and except that if any non-GPL license | |
24 | * choice is available it will apply instead, Sun elects to use only | |
25 | * the General Public License version 2 (GPLv2) at this time for any | |
26 | * software where a choice of GPL license versions is made | |
27 | * available with the language indicating that GPLv2 or any later version | |
28 | * may be used, or where a choice of which version of the GPL is applied is | |
29 | * otherwise unspecified. | |
30 | * | |
31 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
32 | * CA 95054 USA or visit www.sun.com if you need additional information or | |
33 | * have any questions. | |
34 | * | |
35 | * | |
36 | * ========== Copyright Header End ============================================ | |
37 | */ | |
38 | #define MAIN_PAGE_HV_ALSO | |
39 | #define RCRSTAT_A_Addr mpeval(DMC_ADDRESS_RANGE+0x00050) | |
40 | #define RBR_STAT_Addr mpeval(DMC_ADDRESS_RANGE+0x00028) | |
41 | ||
42 | #include "hboot.s" | |
43 | #include "niu_defines.h" | |
44 | .text | |
45 | .global main | |
46 | main: | |
47 | ta T_CHANGE_HPRIV | |
48 | nop | |
49 | ! branch to main by comparing thread id. | |
50 | ||
51 | ta T_RD_THID | |
52 | mov 0x1, %g2 | |
53 | ||
54 | setx 0x0000000000000001, %o0, %g3 ! thread-group bits for the template | |
55 | cmp %g2, %o1 | |
56 | be _FcN1_main | |
57 | nop | |
58 | ||
59 | setx 0x0000000000000010, %o0, %g3 ! thread-group bits for the template | |
60 | brz %o1, _FcN0_main | |
61 | mov 0x2, %g2 | |
62 | and %o1, %g3, %g1 | |
63 | nop | |
64 | ||
65 | ! | |
66 | ! Thread 0 Start | |
67 | ! | |
68 | ! | |
69 | _FcN0_main: | |
70 | ||
71 | # 150 "diag.j" | |
72 | ||
73 | ||
74 | Init_flow: | |
75 | nop ! $EV trig_pc_d(1, @VA(.MAIN.Init_flow)) -> pktGenConfig(MAC_ID, FRAME_TYPE, FRAME_CLASS, 64) | |
76 | ||
77 | P_TxDMAActivate: | |
78 | setx MAC_ID, %g1, %o0 | |
79 | setx 0x1, %g1, %o1 | |
80 | call SetTxDMAActive | |
81 | nop ! $EV trig_pc_d(1, @VA(.MAIN.P_TxDMAActivate)) -> NIU_TxDMAActivate (MAC_ID, 1) | |
82 | setx XMAC0_MAX_addr, %g7, %g2 | |
83 | ||
84 | ||
85 | P_AddTxChannels: | |
86 | nop ! $EV trig_pc_d(1, @VA(.MAIN.P_AddTxChannels)) -> NIU_AddTxChannels(MAC_ID, 0) | |
87 | ldxa [%g2]ASI_PRIMARY_LITTLE, %g5 | |
88 | nop | |
89 | ||
90 | P_SetTxMaxBurst: | |
91 | setx 0x0, %g1, %o0 | |
92 | setx SetTxMaxBurst_Data, %g1, %o1 | |
93 | call SetTxMaxBurst | |
94 | nop ! $EV trig_pc_d(1, @VA(.MAIN.P_SetTxMaxBurst)) -> NIU_SetTxMaxBurst (MAC_ID, 0, TxMaxBurst_Data) | |
95 | ldxa [%g2]ASI_PRIMARY_LITTLE, %g5 | |
96 | nop | |
97 | ||
98 | P_InitTxDma: | |
99 | setx 0x0, %g1, %o0 | |
100 | nop ! $EV trig_pc_d(1, @VA(.MAIN.P_InitTxDma)) -> NIU_InitTxDma (MAC_ID, 0, NIU_Xlate_On) | |
101 | call InitTxDma | |
102 | nop | |
103 | ldxa [%g2]ASI_PRIMARY_LITTLE, %g5 | |
104 | nop | |
105 | ||
106 | Gen_Packet: | |
107 | nop ! $EV trig_pc_d(1, @VA(.MAIN.Gen_Packet)) -> TxPktGen(MAC_ID, 0, 0x9c,0,0,0, 1) | |
108 | nop | |
109 | ||
110 | setx 0x5, %g1, %g4 | |
111 | delay_loop_tmp: | |
112 | ldxa [%g2]ASI_PRIMARY_LITTLE, %g5 | |
113 | nop | |
114 | nop | |
115 | nop | |
116 | nop | |
117 | dec %g4 | |
118 | brnz %g4, delay_loop_tmp | |
119 | nop | |
120 | ||
121 | SetTxRingKick: | |
122 | setx NIU_PKTGEN_CSR_EV2A_TX_RNG_KICK, %g1, %g2 ! $EV trig_pc_d(1, @VA(.MAIN.SetTxRingKick)) -> NIU_SetTxRingKick(MAC_ID, 0) | |
123 | setx 0x0, %g1, %o0 | |
124 | ldx [%g2] , %g3 | |
125 | nop | |
126 | mulx %o0, 0x200, %g5 | |
127 | setx TX_RING_KICK_Addr, %g1, %g2 | |
128 | add %g2, %g5, %g2 | |
129 | stxa %g3, [%g2]ASI_PRIMARY_LITTLE | |
130 | nop | |
131 | ||
132 | SetTxCs: | |
133 | setx 0x0, %g1, %o0 | |
134 | setx TX_CS_Data, %g1, %g3 | |
135 | mulx %o0, 0x200, %g5 | |
136 | setx TX_CS_Addr, %g1, %g2 | |
137 | add %g2, %g5, %g2 | |
138 | stxa %g3, [%g2]ASI_PRIMARY_LITTLE | |
139 | nop | |
140 | ||
141 | #ifdef JUMBO_FRAME_EN | |
142 | setx loop_count, %g1, %g4 | |
143 | delay_loop: | |
144 | ldxa [%g2]ASI_PRIMARY_LITTLE, %g5 | |
145 | nop | |
146 | nop | |
147 | nop | |
148 | nop | |
149 | dec %g4 | |
150 | brnz %g4, delay_loop | |
151 | nop | |
152 | #endif | |
153 | ||
154 | ||
155 | NIUTx_Pkt_Cnt_Chk: | |
156 | setx MAC_ID, %g1, %o0 | |
157 | setx 0x9c, %g1, %o1 | |
158 | call NiuTx_check_pkt_cnt | |
159 | nop | |
160 | ||
161 | setx loop_count, %g1, %g4 | |
162 | delay_loop_end: | |
163 | ldxa [%g2]ASI_PRIMARY_LITTLE, %g5 | |
164 | nop | |
165 | nop | |
166 | nop | |
167 | nop | |
168 | dec %g4 | |
169 | brnz %g4, delay_loop_end | |
170 | nop | |
171 | ||
172 | test_passed_tx: | |
173 | nop ! $EV trig_pc_d(1, @VA(.MAIN.test_passed_tx)) -> NIU_EXIT_chk(MAC_ID) | |
174 | EXIT_GOOD | |
175 | ||
176 | _FcN1_main: | |
177 | P_NIU_RxInitDma: | |
178 | nop ! $EV trig_pc_d(1, @VA(.MAIN.P_NIU_RxInitDma)) -> NIU_InitRxDma(a, RX_DESC_RING_LENGTH, RX_COMPL_RING_LEN, RBR_CONFIG_B_DATA, RX_INITIAL_KICK, NIU_Xlate_On, RX_NIU_MULTI_DMA) | |
179 | setx NIU_PKTGEN_CSR_EV2A_RBR_KICK, %g7, %g2 | |
180 | delay_loop_Rx: | |
181 | ldx [%g2] , %g5 | |
182 | cmp %g5, RX_INITIAL_KICK | |
183 | bne delay_loop_Rx | |
184 | nop | |
185 | nop | |
186 | nop | |
187 | ||
188 | setx 0xa, %g1, %o0 | |
189 | setx RX_DESC_RING_LENGTH, %g1, %o1 | |
190 | setx RX_COMPL_RING_LEN, %g1, %o2 | |
191 | setx RBR_CONFIG_B_DATA, %g1, %o3 | |
192 | setx RX_INITIAL_KICK, %g1, %o4 | |
193 | call NiuInitRxDma | |
194 | nop | |
195 | P_NIU_RxPkt_Conf: | |
196 | nop ! $EV trig_pc_d(1, @VA(.MAIN.P_NIU_RxPkt_Conf)) -> NIU_RxPktConf(RXMAC_PKTCNT, MAC_ID) | |
197 | ldxa [%g2]ASI_PRIMARY_LITTLE, %g5 | |
198 | nop | |
199 | setx RXMAC_PKTCNT, %g1, %g6 | |
200 | mulx %o0, 0x200, %g5 | |
201 | setx RBR_STAT_Addr, %g7, %g2 | |
202 | add %g2, %g5, %g2 | |
203 | P_NIU_Rx_GenPkt: | |
204 | ldxa [%g2]ASI_PRIMARY_LITTLE, %g5 | |
205 | brz %g5, P_NIU_Rx_GenPkt | |
206 | nop | |
207 | #ifdef NIU_SYSTEMC_T2 | |
208 | brnz %g5, Rx_pktcnt_loop | |
209 | nop | |
210 | #endif | |
211 | cmp %g5, %o4 | |
212 | be P_NIU_Rx_GenPkt | |
213 | nop | |
214 | Rx_pktcnt_loop: | |
215 | nop ! $EV trig_pc_d(1, @VA(.MAIN.Rx_pktcnt_loop)) -> NIU_RxGenPkt(MAC_ID, a, RXMAC_PKTCNT, 0x40,0x0, RX_NIU_MULTI_DMA, 1) | |
216 | ldxa [%g2]ASI_PRIMARY_LITTLE, %g5 | |
217 | nop | |
218 | ||
219 | mulx %o0, 0x200, %g5 | |
220 | setx RCRSTAT_A_Addr, %g7, %g2 | |
221 | add %g2, %g5, %g2 | |
222 | delay_loop: | |
223 | ldxa [%g2]ASI_PRIMARY_LITTLE, %g5 | |
224 | cmp %g5, RXMAC_PKTCNT - RXMAC_PKTCNT%8 | |
225 | bne delay_loop | |
226 | nop | |
227 | test_passed: | |
228 | nop | |
229 | EXIT_GOOD | |
230 | ||
231 | #if 0 | |
232 | #endif |