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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 | #include <arch/mm/frame.h> |
34 | #include <arch/mm/frame.h> |
35 | #include <mm/frame.h> |
35 | #include <mm/frame.h> |
36 | #include <interrupt.h> |
36 | #include <interrupt.h> |
37 | 37 | ||
38 | /* This is a good joke, SGI HAS different types than NT bioses... */ |
38 | /* This is a good joke, SGI HAS different types than NT bioses... */ |
39 | /* Here is the SGI type */ |
39 | /* Here is the SGI type */ |
40 | static char *basetypes[] = { |
40 | static char *basetypes[] = { |
41 | "ExceptionBlock", |
41 | "ExceptionBlock", |
42 | "SystemParameterBlock", |
42 | "SystemParameterBlock", |
43 | "FreeContiguous", |
43 | "FreeContiguous", |
44 | "FreeMemory", |
44 | "FreeMemory", |
45 | "BadMemory", |
45 | "BadMemory", |
46 | "LoadedProgram", |
46 | "LoadedProgram", |
47 | "FirmwareTemporary", |
47 | "FirmwareTemporary", |
48 | "FirmwarePermanent" |
48 | "FirmwarePermanent" |
49 | }; |
49 | }; |
50 | 50 | ||
51 | static char *ctypes[] = { |
51 | static char *ctypes[] = { |
52 | "ARC_type", |
52 | "ARC_type", |
53 | "CPU_type", |
53 | "CPU_type", |
54 | "FPU_type", |
54 | "FPU_type", |
55 | "PrimaryICache", |
55 | "PrimaryICache", |
56 | "PrimaryDCache", |
56 | "PrimaryDCache", |
57 | "SecondaryICache", |
57 | "SecondaryICache", |
58 | "SecondaryDCache", |
58 | "SecondaryDCache", |
59 | "SecondaryCache", |
59 | "SecondaryCache", |
60 | "Memory", |
60 | "Memory", |
61 | "EISAAdapter", |
61 | "EISAAdapter", |
62 | "TCAdapter", |
62 | "TCAdapter", |
63 | "SCSIAdapter", |
63 | "SCSIAdapter", |
64 | "DTIAdapter", |
64 | "DTIAdapter", |
65 | "MultiFunctionAdapter", |
65 | "MultiFunctionAdapter", |
66 | "DiskController", |
66 | "DiskController", |
67 | "TapeController", |
67 | "TapeController", |
68 | "CDROMController", |
68 | "CDROMController", |
69 | "WORMController", |
69 | "WORMController", |
70 | "SerialController", |
70 | "SerialController", |
71 | "NetworkController", |
71 | "NetworkController", |
72 | "DisplayController", |
72 | "DisplayController", |
73 | "ParallelController", |
73 | "ParallelController", |
74 | "PointerController", |
74 | "PointerController", |
75 | "KeyboardController", |
75 | "KeyboardController", |
76 | "AudioController", |
76 | "AudioController", |
77 | "OtherController", |
77 | "OtherController", |
78 | "DiskPeripheral", |
78 | "DiskPeripheral", |
79 | "FloppyDiskPeripheral", |
79 | "FloppyDiskPeripheral", |
80 | "TapePeripheral", |
80 | "TapePeripheral", |
81 | "ModemPeripheral", |
81 | "ModemPeripheral", |
82 | "MonitorPeripheral", |
82 | "MonitorPeripheral", |
83 | "PrinterPeripheral", |
83 | "PrinterPeripheral", |
84 | "PointerPeripheral", |
84 | "PointerPeripheral", |
85 | "KeyboardPeripheral", |
85 | "KeyboardPeripheral", |
86 | "TerminalPeripheral", |
86 | "TerminalPeripheral", |
87 | "OtherPeripheral", |
87 | "OtherPeripheral", |
88 | "LinePeripheral", |
88 | "LinePeripheral", |
89 | "NetworkPeripheral" |
89 | "NetworkPeripheral" |
90 | "OtherPeripheral", |
90 | "OtherPeripheral", |
91 | "XTalkAdapter", |
91 | "XTalkAdapter", |
92 | "PCIAdapter", |
92 | "PCIAdapter", |
93 | "GIOAdapter", |
93 | "GIOAdapter", |
94 | "TPUAdapter", |
94 | "TPUAdapter", |
95 | "Anonymous" |
95 | "Anonymous" |
96 | }; |
96 | }; |
97 | 97 | ||
98 | static arc_sbp *sbp = (arc_sbp *)PA2KA(0x1000); |
98 | static arc_sbp *sbp = (arc_sbp *)PA2KA(0x1000); |
99 | static arc_func_vector_t *arc_entry; |
99 | static arc_func_vector_t *arc_entry; |
100 | 100 | ||
101 | 101 | ||
102 | static void arc_putchar(char ch); |
102 | static void arc_putchar(char ch); |
103 | 103 | ||
104 | /** Return true if ARC is available */ |
104 | /** Return true if ARC is available */ |
105 | int arc_enabled(void) |
105 | int arc_enabled(void) |
106 | { |
106 | { |
107 | return sbp != NULL; |
107 | return sbp != NULL; |
108 | } |
108 | } |
109 | 109 | ||
110 | static void arc_print_component(arc_component *c) |
110 | static void arc_print_component(arc_component *c) |
111 | { |
111 | { |
112 | int i; |
112 | int i; |
113 | 113 | ||
114 | printf("%s: ",ctypes[c->type]); |
114 | printf("%s: ",ctypes[c->type]); |
115 | for (i=0;i < c->identifier_len;i++) |
115 | for (i=0;i < c->identifier_len;i++) |
116 | arc_putchar(c->identifier[i]); |
116 | arc_putchar(c->identifier[i]); |
117 | arc_putchar('\n'); |
117 | arc_putchar('\n'); |
118 | } |
118 | } |
119 | 119 | ||
120 | void arc_print_devices(void) |
120 | void arc_print_devices(void) |
121 | { |
121 | { |
122 | arc_component *c,*next; |
122 | arc_component *c,*next; |
123 | 123 | ||
124 | if (!arc_enabled()) |
124 | if (!arc_enabled()) |
125 | return; |
125 | return; |
126 | 126 | ||
127 | c = arc_entry->getchild(NULL); |
127 | c = arc_entry->getchild(NULL); |
128 | while (c) { |
128 | while (c) { |
129 | arc_print_component(c); |
129 | arc_print_component(c); |
130 | next = arc_entry->getchild(c); |
130 | next = arc_entry->getchild(c); |
131 | while (!next) { |
131 | while (!next) { |
132 | next = arc_entry->getpeer(c); |
132 | next = arc_entry->getpeer(c); |
133 | if (!next) |
133 | if (!next) |
134 | c = arc_entry->getparent(c); |
134 | c = arc_entry->getparent(c); |
135 | if (!c) |
135 | if (!c) |
136 | return; |
136 | return; |
137 | } |
137 | } |
138 | c = next; |
138 | c = next; |
139 | } |
139 | } |
140 | } |
140 | } |
141 | 141 | ||
142 | void arc_print_memory_map(void) |
142 | void arc_print_memory_map(void) |
143 | { |
143 | { |
144 | arc_memdescriptor_t *desc; |
144 | arc_memdescriptor_t *desc; |
145 | 145 | ||
146 | if (!arc_enabled()) |
146 | if (!arc_enabled()) |
147 | return; |
147 | return; |
148 | 148 | ||
149 | printf("Memory map:\n"); |
149 | printf("Memory map:\n"); |
150 | 150 | ||
151 | desc = arc_entry->getmemorydescriptor(NULL); |
151 | desc = arc_entry->getmemorydescriptor(NULL); |
152 | while (desc) { |
152 | while (desc) { |
153 | printf("%s: %d (size: %dKB)\n",basetypes[desc->type], |
153 | printf("%s: %d (size: %dKB)\n",basetypes[desc->type], |
154 | desc->basepage * ARC_FRAME, |
154 | desc->basepage * ARC_FRAME, |
155 | desc->basecount*ARC_FRAME/1024); |
155 | desc->basecount*ARC_FRAME/1024); |
156 | desc = arc_entry->getmemorydescriptor(desc); |
156 | desc = arc_entry->getmemorydescriptor(desc); |
157 | } |
157 | } |
158 | } |
158 | } |
159 | 159 | ||
160 | /** Print charactor to console */ |
160 | /** Print charactor to console */ |
161 | static void arc_putchar(char ch) |
161 | static void arc_putchar(char ch) |
162 | { |
162 | { |
163 | __u32 cnt; |
163 | __u32 cnt; |
164 | ipl_t ipl; |
164 | ipl_t ipl; |
165 | 165 | ||
166 | /* TODO: Should be spinlock? */ |
166 | /* TODO: Should be spinlock? */ |
167 | ipl = interrupts_disable(); |
167 | ipl = interrupts_disable(); |
168 | arc_entry->write(1, &ch, 1, &cnt); |
168 | arc_entry->write(1, &ch, 1, &cnt); |
169 | interrupts_restore(ipl); |
169 | interrupts_restore(ipl); |
170 | 170 | ||
171 | } |
171 | } |
172 | 172 | ||
173 | /** Initialize ARC structure |
173 | /** Initialize ARC structure |
174 | * |
174 | * |
175 | * @return 0 - ARC OK, -1 - ARC does not exist |
175 | * @return 0 - ARC OK, -1 - ARC does not exist |
176 | */ |
176 | */ |
177 | int arc_init(void) |
177 | int arc_init(void) |
178 | { |
178 | { |
179 | if (sbp->signature != ARC_MAGIC) { |
179 | if (sbp->signature != ARC_MAGIC) { |
180 | sbp = NULL; |
180 | sbp = NULL; |
181 | return -1; |
181 | return -1; |
182 | } |
182 | } |
183 | arc_entry = sbp->firmwarevector; |
183 | arc_entry = sbp->firmwarevector; |
184 | 184 | ||
185 | arc_putchar('A'); |
185 | arc_putchar('A'); |
186 | arc_putchar('R'); |
186 | arc_putchar('R'); |
187 | arc_putchar('C'); |
187 | arc_putchar('C'); |
188 | arc_putchar('\n'); |
188 | arc_putchar('\n'); |
189 | } |
189 | } |
190 | 190 | ||
191 | static bool kbd_polling_enabled; |
191 | static bool kbd_polling_enabled; |
192 | static chardev_t console; |
192 | static chardev_t console; |
193 | 193 | ||
194 | /** Try to get character, return character or -1 if not available */ |
194 | /** Try to get character, return character or -1 if not available */ |
195 | static void arc_keyboard_poll(void) |
195 | static void arc_keyboard_poll(void) |
196 | { |
196 | { |
197 | char ch; |
197 | char ch; |
198 | __u32 count; |
198 | __u32 count; |
199 | long result; |
199 | long result; |
200 | 200 | ||
201 | if (! kbd_polling_enabled) |
201 | if (! kbd_polling_enabled) |
202 | return; |
202 | return; |
203 | 203 | ||
204 | if (arc_entry->getreadstatus(0)) |
204 | if (arc_entry->getreadstatus(0)) |
205 | return; |
205 | return; |
206 | result = arc_entry->read(0, &ch, 1, &count); |
206 | result = arc_entry->read(0, &ch, 1, &count); |
207 | if (result || count!=1) { |
207 | if (result || count!=1) { |
208 | return; |
208 | return; |
209 | } |
209 | } |
210 | if (ch == '\r') |
210 | if (ch == '\r') |
211 | ch = '\n'; |
211 | ch = '\n'; |
- | 212 | if (ch == 0x7f) |
|
- | 213 | ch = '\b'; |
|
212 | 214 | ||
213 | chardev_push_character(&console, ch); |
215 | chardev_push_character(&console, ch); |
214 | } |
216 | } |
215 | 217 | ||
216 | static void arc_write(chardev_t *dev, const char ch) |
218 | static void arc_write(chardev_t *dev, const char ch) |
217 | { |
219 | { |
218 | arc_putchar(ch); |
220 | arc_putchar(ch); |
219 | } |
221 | } |
220 | 222 | ||
221 | static void arc_enable(chardev_t *dev) |
223 | static void arc_enable(chardev_t *dev) |
222 | { |
224 | { |
223 | kbd_polling_enabled = true; |
225 | kbd_polling_enabled = true; |
224 | } |
226 | } |
225 | 227 | ||
226 | static void arc_disable(chardev_t *dev) |
228 | static void arc_disable(chardev_t *dev) |
227 | { |
229 | { |
228 | kbd_polling_enabled = false; |
230 | kbd_polling_enabled = false; |
229 | } |
231 | } |
230 | 232 | ||
231 | static chardev_operations_t arc_ops = { |
233 | static chardev_operations_t arc_ops = { |
232 | .resume = arc_enable, |
234 | .resume = arc_enable, |
233 | .suspend = arc_disable, |
235 | .suspend = arc_disable, |
234 | .write = arc_write |
236 | .write = arc_write |
235 | }; |
237 | }; |
236 | 238 | ||
237 | iroutine old_timer; |
239 | iroutine old_timer; |
238 | /** Do polling on timer interrupt */ |
240 | /** Do polling on timer interrupt */ |
239 | static void timer_replace(int n, void *stack) |
241 | static void timer_replace(int n, void *stack) |
240 | { |
242 | { |
241 | arc_keyboard_poll(); |
243 | arc_keyboard_poll(); |
242 | old_timer(n, stack); |
244 | old_timer(n, stack); |
243 | arc_keyboard_poll(); |
245 | arc_keyboard_poll(); |
244 | } |
246 | } |
245 | 247 | ||
246 | 248 | ||
247 | chardev_t * arc_console(void) |
249 | chardev_t * arc_console(void) |
248 | { |
250 | { |
249 | kbd_polling_enabled = true; |
251 | kbd_polling_enabled = true; |
250 | 252 | ||
251 | chardev_initialize("arc_console", &console, &arc_ops); |
253 | chardev_initialize("arc_console", &console, &arc_ops); |
252 | old_timer = exc_register(TIMER_IRQ, "arc_kb_poll", timer_replace); |
254 | old_timer = exc_register(TIMER_IRQ, "arc_kb_poll", timer_replace); |
253 | return &console; |
255 | return &console; |
254 | } |
256 | } |
255 | 257 | ||
256 | /* Initialize frame zones from ARC firmware. |
258 | /* Initialize frame zones from ARC firmware. |
257 | * In the future we may use even the FirmwareTemporary regions, |
259 | * In the future we may use even the FirmwareTemporary regions, |
258 | * currently we use the FreeMemory (what about the LoadedProgram?) |
260 | * currently we use the FreeMemory (what about the LoadedProgram?) |
259 | */ |
261 | */ |
260 | void arc_frame_init(void) |
262 | void arc_frame_init(void) |
261 | { |
263 | { |
262 | arc_memdescriptor_t *desc; |
264 | arc_memdescriptor_t *desc; |
263 | int total = 0; |
265 | int total = 0; |
264 | 266 | ||
265 | desc = arc_entry->getmemorydescriptor(NULL); |
267 | desc = arc_entry->getmemorydescriptor(NULL); |
266 | while (desc) { |
268 | while (desc) { |
267 | if (desc->type == FreeMemory || |
269 | if (desc->type == FreeMemory || |
268 | desc->type == FreeContiguous) { |
270 | desc->type == FreeContiguous) { |
269 | total += desc->basecount*ARC_FRAME; |
271 | total += desc->basecount*ARC_FRAME; |
270 | zone_create_in_region(desc->basepage*ARC_FRAME, |
272 | zone_create_in_region(desc->basepage*ARC_FRAME, |
271 | desc->basecount*ARC_FRAME); |
273 | desc->basecount*ARC_FRAME); |
272 | } |
274 | } |
273 | desc = arc_entry->getmemorydescriptor(desc); |
275 | desc = arc_entry->getmemorydescriptor(desc); |
274 | } |
276 | } |
275 | 277 | ||
276 | config.memory_size = total; |
278 | config.memory_size = total; |
277 | } |
279 | } |
278 | 280 | ||
279 | 281 |