Commit | Line | Data |
---|---|---|
86530b38 AT |
1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: ncu_ssi_clk_ratio_test.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_NUCLEUS_ALSO | |
39 | #define MAIN_PAGE_HV_ALSO | |
40 | ||
41 | #include "hboot.s" | |
42 | #include "asi_s.h" | |
43 | ||
44 | .text | |
45 | .global main | |
46 | ||
47 | main: | |
48 | ta T_CHANGE_HPRIV | |
49 | ||
50 | get_th_id: | |
51 | ta T_RD_THID | |
52 | wr %g0,ASI_CMP_CORE,%asi | |
53 | ||
54 | cmp %o1,0x0 | |
55 | bne test_fail | |
56 | nop | |
57 | ||
58 | setx 0x8000003040,%g7,%g1 | |
59 | ldx [%g1],%g2 | |
60 | cmp %g2,0x1 | |
61 | be new_clk_ratio | |
62 | nop | |
63 | ||
64 | !Write words to the SSI interface | |
65 | setx 0x000000ffffff0000,%g7,%g1 | |
66 | setx data_word,%g7,%g2 | |
67 | set 0x08,%g3 | |
68 | loop0: | |
69 | lduw [%g2],%g4 | |
70 | stw %g4,[%g1] | |
71 | add %g1,4,%g1 | |
72 | add %g2,4,%g2 | |
73 | sub %g3,1,%g3 | |
74 | cmp %g3,%g0 | |
75 | bne loop0 | |
76 | nop | |
77 | ||
78 | ! Reset to new clock ratio and warm reset | |
79 | set 0x1,%g2 | |
80 | setx 0x8000003040,%g7,%g1 | |
81 | stx %g2,[%g1] | |
82 | setx 0x8900000808,%g7,%g1 | |
83 | stx %g2,[%g1] | |
84 | ||
85 | halt: | |
86 | ba halt | |
87 | nop | |
88 | ||
89 | new_clk_ratio: | |
90 | !Read back and confirm | |
91 | setx 0x000000ffffff0000,%g7,%g1 | |
92 | setx data_word,%g7,%g2 | |
93 | set 0x08,%g3 | |
94 | loop1: | |
95 | lduw [%g1],%g4 | |
96 | lduw [%g2],%g5 | |
97 | cmp %g4,%g5 | |
98 | bne %xcc,test_fail | |
99 | nop | |
100 | add %g1,4,%g1 | |
101 | add %g2,4,%g2 | |
102 | sub %g3,1,%g3 | |
103 | cmp %g3,%g0 | |
104 | bne loop1 | |
105 | nop | |
106 | ||
107 | ba test_pass | |
108 | nop | |
109 | ||
110 | /****************************************************** | |
111 | * Exit code | |
112 | *******************************************************/ | |
113 | ||
114 | test_pass: | |
115 | EXIT_GOOD | |
116 | ||
117 | test_fail: | |
118 | EXIT_BAD | |
119 | ||
120 | .data | |
121 | .align 0x100 | |
122 | data_word: | |
123 | .word 0x239232ab | |
124 | .word 0x3923badf | |
125 | .word 0x482ba83a | |
126 | .word 0xa62ed082 | |
127 | .word 0xab667bdc | |
128 | .word 0xc3923bef | |
129 | .word 0x8faa9832 | |
130 | .word 0xdea02003 | |
131 | .word 0xb202023b | |
132 | .word 0x2035723b | |
133 | .word 0x9923ced7 | |
134 | .word 0x8a29823b | |
135 | .word 0x33eeee9e | |
136 | .word 0x5beaf092 | |
137 | .word 0xbfabfe22 | |
138 | .word 0xa0aaccde | |
139 | .word 0x10a0a993 | |
140 | .word 0x02fccbef | |
141 | .word 0xbcc553f3 | |
142 | .word 0xad20833f | |
143 | .word 0xae29083a | |
144 | .word 0x92298235 | |
145 | .word 0x447034b5 | |
146 | .word 0x3c3b24fd | |
147 | .word 0xffce09df | |
148 | .word 0xf198122f | |
149 | .word 0x9fa32782 | |
150 | .word 0x6d329263 | |
151 | .word 0xeb887611 | |
152 | .word 0xda340823 | |
153 | .word 0xd3219bd7 | |
154 | .word 0xa8293200 | |
155 | .end |