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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: mcu_init.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 H_HT0_Watchdog_Reset_0x02 | |
39 | #define My_HT0_Watchdog_Reset_0x02 \ | |
40 | ta T_BAD_TRAP; \ | |
41 | nop | |
42 | #define My_RED_Mode_Other_Reset \ | |
43 | ta T_BAD_TRAP; \ | |
44 | nop | |
45 | ||
46 | #define H_HT0_Hw_Corrected_Error_0x63 | |
47 | #define SUN_H_HT0_Hw_Corrected_Error_0x63 \ | |
48 | setx My_H_HT0_Hw_Corrected_Error_0x63, %g1, %g2;\ | |
49 | jmp %g2;\ | |
50 | nop | |
51 | ||
52 | #define H_HT0_Sw_Recoverable_Error_0x40 | |
53 | #define SUN_H_HT0_Sw_Recoverable_Error_0x40 \ | |
54 | setx My_H_HT0_Sw_Recoverable_Error_0x40, %g1, %g2;\ | |
55 | jmp %g2;\ | |
56 | nop | |
57 | ||
58 | #define H_HT0_Instruction_access_error_0x0a | |
59 | #define SUN_H_HT0_Instruction_access_error_0x0a \ | |
60 | setx My_H_HT0_Instruction_access_error_0x0a, %g1, %g2;\ | |
61 | jmp %g2;\ | |
62 | nop | |
63 | ||
64 | #define H_HT0_Data_access_error_0x32 | |
65 | #define SUN_H_HT0_Data_access_error_0x32 \ | |
66 | setx My_H_HT0_Data_access_error_0x32, %g1, %g2;\ | |
67 | jmp %g2;\ | |
68 | nop | |
69 | ||
70 | !#define H_HT0_Instruction_Access_MMU_Error_0x71 | |
71 | !#define SUN_H_HT0_Instruction_Access_MMU_Error_0x71 \ | |
72 | ! setx My_H_HT0_Instruction_Access_MMU_Error_0x71, %g1, %g2;\ | |
73 | ! jmp %g2;\ | |
74 | ! nop | |
75 | ! | |
76 | !#define H_HT0_Data_Access_MMU_Error_0x72 | |
77 | !#define SUN_H_HT0_Data_Access_MMU_Error_0x72 \ | |
78 | ! setx My_H_HT0_Data_Access_MMU_Error_0x72, %g1, %g2;\ | |
79 | ! jmp %g2;\ | |
80 | ! nop | |
81 | ||
82 | ||
83 | #define MAIN_PAGE_NUCLEUS_ALSO | |
84 | #define MAIN_PAGE_HV_ALSO | |
85 | ||
86 | #define L2_ESR_WRITE_1_TO_CLEAR 0xc03ffffc00000000 | |
87 | #define L2_NOTDATA_REGISTER_WRITE_1_TO_CLEAR 0x000b000000000000 | |
88 | #define L2_CONTROL_REGISTER 0xa900000000 | |
89 | #define L2_ERROR_ENABLE_REGISTER 0xaa00000000 | |
90 | #define L2_ERROR_STATUS_REGISTER 0xab00000000 | |
91 | #define L2_LAST_ERROR_STATUS_REGISTER 0xab000001c0 | |
92 | #define L2_ERROR_ADDRESS_REGISTER 0xac00000000 | |
93 | #define L2_NOTDATA_REGISTER 0xae00000000 | |
94 | ||
95 | #define DRAM_ESR_WRITE_1_TO_CLEAR 0xffc0000000000000 | |
96 | #define DRAM_SCRUB_FREQ_REG 0x8400000018 | |
97 | #define DRAM_SCRUB_ENABLE_REG 0x8400000040 | |
98 | #define DRAM_ERROR_STATUS_REGISTER 0x8400000280 | |
99 | #define DRAM_ERROR_ADDRESS_REGISTER 0x8400000288 | |
100 | #define DRAM_ERROR_INJECTION_REG 0x8400000290 | |
101 | #define DRAM_ERROR_RETRY_REGISTER 0x84000002a8 | |
102 | #define DRAM_FBD_ERROR_SYNDROME_REGISTER 0x8400000c00 | |
103 | ||
104 | #define PREFETCH_ICE_BASE_ADDRESS 0x6000000000 | |
105 | #define VALID_BIT 0x8000000000 | |
106 | #define MYDATA 0xdeadbeefdeadbeef | |
107 | ||
108 | ||
109 | #include "hboot.s" | |
110 | #include "asi_s.h" | |
111 | #include "err_defines.h" | |
112 | ||
113 | ||
114 | .text | |
115 | .global main | |
116 | ||
117 | .global My_H_HT0_Hw_Corrected_Error_0x63 | |
118 | .global My_H_HT0_Sw_Recoverable_Error_0x40 | |
119 | .global My_H_HT0_Instruction_access_error_0x0a | |
120 | .global My_H_HT0_Data_access_error_0x32 | |
121 | !.global My_H_HT0_Instruction_Access_MMU_Error_0x71 | |
122 | !.global My_H_HT0_Data_Access_MMU_Error_0x72 | |
123 | ||
124 | ||
125 | ||
126 | !******************* BEGIN OF TEST ******************** | |
127 | ||
128 | main: | |
129 | ta T_CHANGE_HPRIV | |
130 | ||
131 | disable_L1_d_cache: | |
132 | ldxa [%g0] 0x45, %l0 | |
133 | andn %l0, 0x2, %l0 | |
134 | stxa %l0, [%g0] 0x45 | |
135 | ||
136 | L2_direct_mapped_mode: | |
137 | setx L2_CONTROL_REGISTER, %l0, %g3 | |
138 | mov 2, %g1 | |
139 | mov 8, %g2 | |
140 | 1: | |
141 | stx %g1, [%g3] | |
142 | add %g3, 0x40, %g3 | |
143 | dec %g2 | |
144 | brnz %g2,1b | |
145 | nop | |
146 | ||
147 | report_error_from_L2_to_core: | |
148 | setx L2_ERROR_ENABLE_REGISTER, %l0, %g3 | |
149 | mov 3, %g1 | |
150 | mov 8, %g2 | |
151 | 1: | |
152 | ldx [%g3], %g4 | |
153 | or %g4, %g1, %g4 | |
154 | stx %g4, [%g3] | |
155 | add %g3, 0x40, %g3 | |
156 | dec %g2 | |
157 | brnz %g2,1b | |
158 | nop | |
159 | ||
160 | start_diag: | |
161 | clr %o7 | |
162 |