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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: PCIeDMARd.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 ENABLE_PCIE_LINK_TRAINING | |
39 | /* #define MAIN_PAGE_NUCLEUS_ALSO */ /* Access main in priviledge mode */ | |
40 | #define MAIN_PAGE_HV_ALSO | |
41 | ||
42 | #include "hboot.s" | |
43 | #include "peu_defines.h" | |
44 | ||
45 | #define MEM32_RD_ADDR mpeval(N2_PCIE_BASE_ADDR + MEM32_OFFSET_BASE_REG_DATA) | |
46 | ||
47 | #define DMA_DATA_ADDR 0x0000000123456700 | |
48 | #define DMA_DATA_BYP_SADDR 0xfffc000123456700 | |
49 | #define DMA_DATA_BYP_EADDR 0xfffc000123456800 | |
50 | ||
51 | /************************************************************************ | |
52 | Test case code start | |
53 | ************************************************************************/ | |
54 | .text | |
55 | .global main | |
56 | ||
57 | main: | |
58 | ta T_CHANGE_HPRIV | |
59 | nop | |
60 | ||
61 | ! enable bypass in IOMMU | |
62 | setx FIRE_DLC_MMU_CSR_A_CTL_ADDR, %g1, %g2 | |
63 | setx FIRE_DLC_MMU_CSR_A_CTL__BYPASS_EN, %g1, %g3 | |
64 | stx %g3, [%g2] | |
65 | ldx [%g2], %g3 | |
66 | ||
67 | ||
68 | ! see if this user event works in a loop (multi-shot) | |
69 | ||
70 | setx 0x02, %g1, %g4 | |
71 | XmtUsrEvnt1: | |
72 | nop ! $EV trig_pc_d(1, @VA(.MAIN.XmtUsrEvnt1)) -> EnablePCIeIgCmd ("DMARD", DMA_DATA_BYP_SADDR, DMA_DATA_BYP_EADDR, "64'h40", 1, *, * ) | |
73 | dec %g4 | |
74 | brnz %g4, XmtUsrEvnt1 | |
75 | nop | |
76 | nop | |
77 | ||
78 | XmtUsrEvnt2: | |
79 | ! $EV trig_pc_d(1, @VA(.MAIN.XmtUsrEvnt2)) -> EnablePCIeIgCmd ("DMARD", DMA_DATA_BYP_SADDR, DMA_DATA_BYP_EADDR, "64'h100", 1, *, * ) | |
80 | ||
81 | ! select a MEM32 address in PCI address range and transmit the command to NCU | |
82 | ||
83 | setx MEM32_RD_ADDR, %g1, %g2 | |
84 | setx 0x04, %g1, %g4 ! loop 4 times | |
85 | ||
86 | setx FIRE_PLC_TLU_CTB_TLR_CSR_A_TLU_CTL_ADDR, %g1, %g3 | |
87 | ||
88 | delay_loop: | |
89 | stx %g2, [%g2] ! MEM32 PIO Write | |
90 | ldx [%g3], %l1 ! PIU CSR READ | |
91 | ldx [%g2], %l0 ! MEM32 PIO READ | |
92 | add %g2, 8, %g2 ! increment PIO address by 8 | |
93 | ||
94 | dec %g4 | |
95 | brnz %g4, delay_loop | |
96 | nop | |
97 | ||
98 | ||
99 | test_passed: | |
100 | EXIT_GOOD | |
101 | ||
102 | ||
103 | test_failed: | |
104 | EXIT_BAD | |
105 | ||
106 | ||
107 | ||
108 | /************************************************************************ | |
109 | Test case data start | |
110 | ************************************************************************/ | |
111 | ||
112 | SECTION .DATA DATA_VA=DMA_DATA_ADDR | |
113 | attr_data { | |
114 | Name = .DATA, | |
115 | hypervisor, | |
116 | compressimage | |
117 | } | |
118 | ||
119 | .data | |
120 | .xword 0x0001020304050607 | |
121 | .xword 0x08090a0b0c0d0e0f | |
122 | .xword 0x1011121314151617 | |
123 | .xword 0x18191a1b1c1d1e1f | |
124 | .xword 0x2021222324252627 | |
125 | .xword 0x28292a2b2c2d2e2f | |
126 | .xword 0x3031323334353637 | |
127 | .xword 0x38393a3b3c3d3e3f | |
128 | ||
129 | .xword 0x4041424344454647 | |
130 | .xword 0x48494a4b4c4d4e4f | |
131 | .xword 0x5051525354555657 | |
132 | .xword 0x58595a5b5c5d5e5f | |
133 | .xword 0x6061626364656667 | |
134 | .xword 0x68696a6b6c6d6e6f | |
135 | .xword 0x7071727374757677 | |
136 | .xword 0x78797a7b7c7d7e7f | |
137 | ||
138 | .xword 0x8081828384858687 | |
139 | .xword 0x88898a8b8c8d8e8f | |
140 | .xword 0x9091929394959697 | |
141 | .xword 0x98999a9b9c9d9e9f | |
142 | .xword 0xa0a1a2a3a4a5a6a7 | |
143 | .xword 0xa8a9aaabacadaeaf | |
144 | .xword 0xb0b1b2b3b4b5b6b7 | |
145 | .xword 0xb8b9babbbcbdbebf | |
146 | ||
147 | .xword 0xc0c1c2c3c4c5c6c7 | |
148 | .xword 0xc8c9cacbcccdcecf | |
149 | .xword 0xd0d1d2d3d4d5d6d7 | |
150 | .xword 0xd8d9dadbdcdddedf | |
151 | .xword 0xe0e1e2e3e4e5e6e7 | |
152 | .xword 0xe8e9eaebecedeeef | |
153 | .xword 0xf0f1f2f3f4f5f6f7 | |
154 | .xword 0xf8f9fafbfcfdfeff | |
155 | ||
156 | .xword 0x0001020304050607 | |
157 | .xword 0x08090a0b0c0d0e0f | |
158 | .xword 0x1011121314151617 | |
159 | .xword 0x18191a1b1c1d1e1f | |
160 | .xword 0x2021222324252627 | |
161 | .xword 0x28292a2b2c2d2e2f | |
162 | .xword 0x3031323334353637 | |
163 | .xword 0x38393a3b3c3d3e3f | |
164 | ||
165 | .xword 0x4041424344454647 | |
166 | .xword 0x48494a4b4c4d4e4f | |
167 | .xword 0x5051525354555657 | |
168 | .xword 0x58595a5b5c5d5e5f | |
169 | .xword 0x6061626364656667 | |
170 | .xword 0x68696a6b6c6d6e6f | |
171 | .xword 0x7071727374757677 | |
172 | .xword 0x78797a7b7c7d7e7f | |
173 | ||
174 | .xword 0x8081828384858687 | |
175 | .xword 0x88898a8b8c8d8e8f | |
176 | .xword 0x9091929394959697 | |
177 | .xword 0x98999a9b9c9d9e9f | |
178 | .xword 0xa0a1a2a3a4a5a6a7 | |
179 | .xword 0xa8a9aaabacadaeaf | |
180 | .xword 0xb0b1b2b3b4b5b6b7 | |
181 | .xword 0xb8b9babbbcbdbebf | |
182 | ||
183 | .xword 0xc0c1c2c3c4c5c6c7 | |
184 | .xword 0xc8c9cacbcccdcecf | |
185 | .xword 0xd0d1d2d3d4d5d6d7 | |
186 | .xword 0xd8d9dadbdcdddedf | |
187 | .xword 0xe0e1e2e3e4e5e6e7 | |
188 | .xword 0xe8e9eaebecedeeef | |
189 | .xword 0xf0f1f2f3f4f5f6f7 | |
190 | .xword 0xf8f9fafbfcfdfeff | |
191 | ||
192 | /************************************************************************/ |