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| 1 | /* |
1 | /* |
| 2 | * Copyright (C) 2005 Ondrej Palkovsky |
2 | * Copyright (C) 2005 Ondrej Palkovsky |
| 3 | * All rights reserved. |
3 | * All rights reserved. |
| 4 | * |
4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
7 | * are met: |
| 8 | * |
8 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
| 14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
| 15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
| 16 | * |
16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
27 | */ |
| 28 | 28 | ||
| 29 | #include <arch/drivers/arc.h> |
29 | #include <arch/drivers/arc.h> |
| 30 | #include <arch/mm/page.h> |
30 | #include <arch/mm/page.h> |
| 31 | #include <print.h> |
31 | #include <print.h> |
| 32 | #include <arch.h> |
32 | #include <arch.h> |
| 33 | #include <arch/byteorder.h> |
33 | #include <arch/byteorder.h> |
| 34 | 34 | ||
| 35 | /* This is a good joke, SGI HAS different types than NT bioses... */ |
35 | /* This is a good joke, SGI HAS different types than NT bioses... */ |
| 36 | /* Here is the SGI type */ |
36 | /* Here is the SGI type */ |
| 37 | static char *basetypes[] = { |
37 | static char *basetypes[] = { |
| 38 | "ExceptionBlock", |
38 | "ExceptionBlock", |
| 39 | "SystemParameterBlock", |
39 | "SystemParameterBlock", |
| 40 | "FreeContiguous", |
40 | "FreeContiguous", |
| 41 | "FreeMemory", |
41 | "FreeMemory", |
| 42 | "BadMemory", |
42 | "BadMemory", |
| 43 | "LoadedProgram", |
43 | "LoadedProgram", |
| 44 | "FirmwareTemporary", |
44 | "FirmwareTemporary", |
| 45 | "FirmwarePermanent" |
45 | "FirmwarePermanent" |
| 46 | }; |
46 | }; |
| 47 | 47 | ||
| - | 48 | static char *ctypes[] = { |
|
| - | 49 | "ARC_type", |
|
| - | 50 | "CPU_type", |
|
| - | 51 | "FPU_type", |
|
| - | 52 | "PrimaryICache", |
|
| - | 53 | "PrimaryDCache", |
|
| - | 54 | "SecondaryICache", |
|
| - | 55 | "SecondaryDCache", |
|
| - | 56 | "SecondaryCache", |
|
| - | 57 | "Memory", |
|
| - | 58 | "EISAAdapter", |
|
| - | 59 | "TCAdapter", |
|
| - | 60 | "SCSIAdapter", |
|
| - | 61 | "DTIAdapter", |
|
| - | 62 | "MultiFunctionAdapter", |
|
| - | 63 | "DiskController", |
|
| - | 64 | "TapeController", |
|
| - | 65 | "CDROMController", |
|
| - | 66 | "WORMController", |
|
| - | 67 | "SerialController", |
|
| - | 68 | "NetworkController", |
|
| - | 69 | "DisplayController", |
|
| - | 70 | "ParallelController", |
|
| - | 71 | "PointerController", |
|
| - | 72 | "KeyboardController", |
|
| - | 73 | "AudioController", |
|
| - | 74 | "OtherController", |
|
| - | 75 | "DiskPeripheral", |
|
| - | 76 | "FloppyDiskPeripheral", |
|
| - | 77 | "TapePeripheral", |
|
| - | 78 | "ModemPeripheral", |
|
| - | 79 | "MonitorPeripheral", |
|
| - | 80 | "PrinterPeripheral", |
|
| - | 81 | "PointerPeripheral", |
|
| - | 82 | "KeyboardPeripheral", |
|
| - | 83 | "TerminalPeripheral", |
|
| - | 84 | "OtherPeripheral", |
|
| - | 85 | "LinePeripheral", |
|
| - | 86 | "NetworkPeripheral" |
|
| - | 87 | "OtherPeripheral", |
|
| - | 88 | "XTalkAdapter", |
|
| - | 89 | "PCIAdapter", |
|
| - | 90 | "GIOAdapter", |
|
| - | 91 | "TPUAdapter", |
|
| - | 92 | "Anonymous" |
|
| - | 93 | }; |
|
| - | 94 | ||
| 48 | static arc_sbp *sbp = (arc_sbp *)PA2KA(0x1000); |
95 | static arc_sbp *sbp = (arc_sbp *)PA2KA(0x1000); |
| 49 | static arc_func_vector_t *arc_entry; |
96 | static arc_func_vector_t *arc_entry; |
| 50 | 97 | ||
| 51 | static void _arc_putchar(char ch); |
98 | static void _arc_putchar(char ch); |
| 52 | 99 | ||
| 53 | /** Initialize ARC structure |
100 | /** Initialize ARC structure |
| 54 | * |
101 | * |
| 55 | * @return 0 - ARC OK, -1 - ARC does not exist |
102 | * @return 0 - ARC OK, -1 - ARC does not exist |
| 56 | */ |
103 | */ |
| 57 | int init_arc(void) |
104 | int init_arc(void) |
| 58 | { |
105 | { |
| 59 | if (sbp->signature != ARC_MAGIC) { |
106 | if (sbp->signature != ARC_MAGIC) { |
| 60 | sbp = NULL; |
107 | sbp = NULL; |
| 61 | return -1; |
108 | return -1; |
| 62 | } |
109 | } |
| 63 | arc_entry = sbp->firmwarevector; |
110 | arc_entry = sbp->firmwarevector; |
| 64 | 111 | ||
| 65 | arc_putchar('A'); |
112 | arc_putchar('A'); |
| 66 | arc_putchar('R'); |
113 | arc_putchar('R'); |
| 67 | arc_putchar('C'); |
114 | arc_putchar('C'); |
| 68 | arc_putchar('\n'); |
115 | arc_putchar('\n'); |
| 69 | } |
116 | } |
| 70 | 117 | ||
| 71 | /** Return true if ARC is available */ |
118 | /** Return true if ARC is available */ |
| 72 | int arc_enabled(void) |
119 | int arc_enabled(void) |
| 73 | { |
120 | { |
| 74 | return sbp != NULL; |
121 | return sbp != NULL; |
| 75 | } |
122 | } |
| 76 | 123 | ||
| - | 124 | static void arc_print_component(arc_component *c) |
|
| - | 125 | { |
|
| - | 126 | int i; |
|
| - | 127 | ||
| - | 128 | printf("%s: ",ctypes[c->type]); |
|
| - | 129 | for (i=0;i < c->identifier_len;i++) |
|
| - | 130 | putchar(c->identifier[i]); |
|
| - | 131 | putchar('\n'); |
|
| - | 132 | } |
|
| - | 133 | ||
| - | 134 | void arc_print_devices(void) |
|
| - | 135 | { |
|
| - | 136 | arc_component *c,*next; |
|
| - | 137 | ||
| - | 138 | if (!arc_enabled()) |
|
| - | 139 | return; |
|
| - | 140 | ||
| - | 141 | c = arc_entry->getchild(NULL); |
|
| - | 142 | while (c) { |
|
| - | 143 | arc_print_component(c); |
|
| - | 144 | next = arc_entry->getchild(c); |
|
| - | 145 | while (!next) { |
|
| - | 146 | next = arc_entry->getpeer(c); |
|
| - | 147 | if (!next) |
|
| - | 148 | c = arc_entry->getparent(c); |
|
| - | 149 | if (!c) |
|
| - | 150 | return; |
|
| - | 151 | } |
|
| - | 152 | c = next; |
|
| - | 153 | } |
|
| - | 154 | } |
|
| - | 155 | ||
| 77 | void arc_print_memory_map(void) |
156 | void arc_print_memory_map(void) |
| 78 | { |
157 | { |
| 79 | arc_memdescriptor_t *desc; |
158 | arc_memdescriptor_t *desc; |
| 80 | 159 | ||
| 81 | if (!sbp) { |
160 | if (!arc_enabled()) { |
| 82 | printf("ARC not enabled.\n"); |
161 | printf("ARC not enabled.\n"); |
| 83 | return; |
162 | return; |
| 84 | } |
163 | } |
| 85 | 164 | ||
| 86 | printf("Memory map:\n"); |
165 | printf("Memory map:\n"); |
| 87 | 166 | ||
| 88 | desc = arc_entry->getmemorydescriptor(NULL); |
167 | desc = arc_entry->getmemorydescriptor(NULL); |
| 89 | while (desc) { |
168 | while (desc) { |
| 90 | printf("%s: %d (size: %dKB)\n",basetypes[desc->type], |
169 | printf("%s: %d (size: %dKB)\n",basetypes[desc->type], |
| 91 | desc->basepage * 4096, |
170 | desc->basepage * 4096, |
| 92 | desc->basecount*4); |
171 | desc->basecount*4); |
| 93 | desc = arc_entry->getmemorydescriptor(desc); |
172 | desc = arc_entry->getmemorydescriptor(desc); |
| 94 | } |
173 | } |
| 95 | } |
174 | } |
| 96 | 175 | ||
| 97 | /** Print charactor to console */ |
176 | /** Print charactor to console */ |
| 98 | void arc_putchar(char ch) |
177 | void arc_putchar(char ch) |
| 99 | { |
178 | { |
| 100 | __u32 cnt; |
179 | __u32 cnt; |
| 101 | pri_t pri; |
180 | pri_t pri; |
| 102 | 181 | ||
| 103 | /* TODO: Should be spinlock? */ |
182 | /* TODO: Should be spinlock? */ |
| 104 | pri = cpu_priority_high(); |
183 | pri = cpu_priority_high(); |
| 105 | arc_entry->write(1, &ch, 1, &cnt); |
184 | arc_entry->write(1, &ch, 1, &cnt); |
| 106 | cpu_priority_restore(pri); |
185 | cpu_priority_restore(pri); |
| 107 | 186 | ||
| 108 | } |
187 | } |
| 109 | 188 | ||