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Commit | Line | Data |
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c3d2689d AZ |
1 | /* |
2 | * TI OMAP processors emulation. | |
3 | * | |
b4e3104b | 4 | * Copyright (C) 2006-2008 Andrzej Zaborowski <[email protected]> |
c3d2689d AZ |
5 | * |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License as | |
827df9f3 AZ |
8 | * published by the Free Software Foundation; either version 2 or |
9 | * (at your option) version 3 of the License. | |
c3d2689d AZ |
10 | * |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
19 | * MA 02111-1307 USA | |
20 | */ | |
87ecb68b PB |
21 | #include "hw.h" |
22 | #include "arm-misc.h" | |
23 | #include "omap.h" | |
24 | #include "sysemu.h" | |
25 | #include "qemu-timer.h" | |
827df9f3 | 26 | #include "qemu-char.h" |
87ecb68b PB |
27 | /* We use pc-style serial ports. */ |
28 | #include "pc.h" | |
c3d2689d | 29 | |
827df9f3 | 30 | /* Should signal the TCMI/GPMC */ |
66450b15 AZ |
31 | uint32_t omap_badwidth_read8(void *opaque, target_phys_addr_t addr) |
32 | { | |
02645926 AZ |
33 | uint8_t ret; |
34 | ||
66450b15 | 35 | OMAP_8B_REG(addr); |
b854bc19 | 36 | cpu_physical_memory_read(addr, (void *) &ret, 1); |
02645926 | 37 | return ret; |
66450b15 AZ |
38 | } |
39 | ||
40 | void omap_badwidth_write8(void *opaque, target_phys_addr_t addr, | |
41 | uint32_t value) | |
42 | { | |
b854bc19 AZ |
43 | uint8_t val8 = value; |
44 | ||
66450b15 | 45 | OMAP_8B_REG(addr); |
b854bc19 | 46 | cpu_physical_memory_write(addr, (void *) &val8, 1); |
66450b15 AZ |
47 | } |
48 | ||
b30bb3a2 | 49 | uint32_t omap_badwidth_read16(void *opaque, target_phys_addr_t addr) |
c3d2689d | 50 | { |
b854bc19 AZ |
51 | uint16_t ret; |
52 | ||
c3d2689d | 53 | OMAP_16B_REG(addr); |
b854bc19 AZ |
54 | cpu_physical_memory_read(addr, (void *) &ret, 2); |
55 | return ret; | |
c3d2689d AZ |
56 | } |
57 | ||
b30bb3a2 | 58 | void omap_badwidth_write16(void *opaque, target_phys_addr_t addr, |
c3d2689d AZ |
59 | uint32_t value) |
60 | { | |
b854bc19 AZ |
61 | uint16_t val16 = value; |
62 | ||
c3d2689d | 63 | OMAP_16B_REG(addr); |
b854bc19 | 64 | cpu_physical_memory_write(addr, (void *) &val16, 2); |
c3d2689d AZ |
65 | } |
66 | ||
b30bb3a2 | 67 | uint32_t omap_badwidth_read32(void *opaque, target_phys_addr_t addr) |
c3d2689d | 68 | { |
b854bc19 AZ |
69 | uint32_t ret; |
70 | ||
c3d2689d | 71 | OMAP_32B_REG(addr); |
b854bc19 AZ |
72 | cpu_physical_memory_read(addr, (void *) &ret, 4); |
73 | return ret; | |
c3d2689d AZ |
74 | } |
75 | ||
b30bb3a2 | 76 | void omap_badwidth_write32(void *opaque, target_phys_addr_t addr, |
c3d2689d AZ |
77 | uint32_t value) |
78 | { | |
79 | OMAP_32B_REG(addr); | |
b854bc19 | 80 | cpu_physical_memory_write(addr, (void *) &value, 4); |
c3d2689d AZ |
81 | } |
82 | ||
c3d2689d | 83 | /* Interrupt Handlers */ |
106627d0 | 84 | struct omap_intr_handler_bank_s { |
c3d2689d | 85 | uint32_t irqs; |
106627d0 | 86 | uint32_t inputs; |
c3d2689d | 87 | uint32_t mask; |
c3d2689d | 88 | uint32_t fiq; |
106627d0 | 89 | uint32_t sens_edge; |
827df9f3 | 90 | uint32_t swi; |
106627d0 | 91 | unsigned char priority[32]; |
c3d2689d AZ |
92 | }; |
93 | ||
106627d0 AZ |
94 | struct omap_intr_handler_s { |
95 | qemu_irq *pins; | |
96 | qemu_irq parent_intr[2]; | |
97 | target_phys_addr_t base; | |
98 | unsigned char nbanks; | |
827df9f3 | 99 | int level_only; |
c3d2689d | 100 | |
106627d0 AZ |
101 | /* state */ |
102 | uint32_t new_agr[2]; | |
103 | int sir_intr[2]; | |
827df9f3 AZ |
104 | int autoidle; |
105 | uint32_t mask; | |
106 | struct omap_intr_handler_bank_s bank[]; | |
106627d0 | 107 | }; |
c3d2689d | 108 | |
106627d0 AZ |
109 | static void omap_inth_sir_update(struct omap_intr_handler_s *s, int is_fiq) |
110 | { | |
111 | int i, j, sir_intr, p_intr, p, f; | |
112 | uint32_t level; | |
113 | sir_intr = 0; | |
114 | p_intr = 255; | |
115 | ||
116 | /* Find the interrupt line with the highest dynamic priority. | |
117 | * Note: 0 denotes the hightest priority. | |
118 | * If all interrupts have the same priority, the default order is IRQ_N, | |
119 | * IRQ_N-1,...,IRQ_0. */ | |
120 | for (j = 0; j < s->nbanks; ++j) { | |
827df9f3 AZ |
121 | level = s->bank[j].irqs & ~s->bank[j].mask & |
122 | (is_fiq ? s->bank[j].fiq : ~s->bank[j].fiq); | |
106627d0 AZ |
123 | for (f = ffs(level), i = f - 1, level >>= f - 1; f; i += f, |
124 | level >>= f) { | |
827df9f3 | 125 | p = s->bank[j].priority[i]; |
106627d0 AZ |
126 | if (p <= p_intr) { |
127 | p_intr = p; | |
128 | sir_intr = 32 * j + i; | |
129 | } | |
130 | f = ffs(level >> 1); | |
131 | } | |
cfa0b71d | 132 | } |
106627d0 | 133 | s->sir_intr[is_fiq] = sir_intr; |
c3d2689d AZ |
134 | } |
135 | ||
106627d0 | 136 | static inline void omap_inth_update(struct omap_intr_handler_s *s, int is_fiq) |
c3d2689d | 137 | { |
106627d0 AZ |
138 | int i; |
139 | uint32_t has_intr = 0; | |
c3d2689d | 140 | |
106627d0 | 141 | for (i = 0; i < s->nbanks; ++i) |
827df9f3 AZ |
142 | has_intr |= s->bank[i].irqs & ~s->bank[i].mask & |
143 | (is_fiq ? s->bank[i].fiq : ~s->bank[i].fiq); | |
c3d2689d | 144 | |
827df9f3 | 145 | if (s->new_agr[is_fiq] & has_intr & s->mask) { |
106627d0 AZ |
146 | s->new_agr[is_fiq] = 0; |
147 | omap_inth_sir_update(s, is_fiq); | |
148 | qemu_set_irq(s->parent_intr[is_fiq], 1); | |
c3d2689d | 149 | } |
c3d2689d AZ |
150 | } |
151 | ||
152 | #define INT_FALLING_EDGE 0 | |
153 | #define INT_LOW_LEVEL 1 | |
154 | ||
155 | static void omap_set_intr(void *opaque, int irq, int req) | |
156 | { | |
157 | struct omap_intr_handler_s *ih = (struct omap_intr_handler_s *) opaque; | |
158 | uint32_t rise; | |
159 | ||
827df9f3 | 160 | struct omap_intr_handler_bank_s *bank = &ih->bank[irq >> 5]; |
106627d0 AZ |
161 | int n = irq & 31; |
162 | ||
c3d2689d | 163 | if (req) { |
106627d0 AZ |
164 | rise = ~bank->irqs & (1 << n); |
165 | if (~bank->sens_edge & (1 << n)) | |
827df9f3 | 166 | rise &= ~bank->inputs; |
106627d0 AZ |
167 | |
168 | bank->inputs |= (1 << n); | |
169 | if (rise) { | |
170 | bank->irqs |= rise; | |
171 | omap_inth_update(ih, 0); | |
172 | omap_inth_update(ih, 1); | |
173 | } | |
c3d2689d | 174 | } else { |
106627d0 AZ |
175 | rise = bank->sens_edge & bank->irqs & (1 << n); |
176 | bank->irqs &= ~rise; | |
177 | bank->inputs &= ~(1 << n); | |
c3d2689d AZ |
178 | } |
179 | } | |
180 | ||
827df9f3 AZ |
181 | /* Simplified version with no edge detection */ |
182 | static void omap_set_intr_noedge(void *opaque, int irq, int req) | |
183 | { | |
184 | struct omap_intr_handler_s *ih = (struct omap_intr_handler_s *) opaque; | |
185 | uint32_t rise; | |
186 | ||
187 | struct omap_intr_handler_bank_s *bank = &ih->bank[irq >> 5]; | |
188 | int n = irq & 31; | |
189 | ||
190 | if (req) { | |
191 | rise = ~bank->inputs & (1 << n); | |
192 | if (rise) { | |
193 | bank->irqs |= bank->inputs |= rise; | |
194 | omap_inth_update(ih, 0); | |
195 | omap_inth_update(ih, 1); | |
196 | } | |
197 | } else | |
198 | bank->irqs = (bank->inputs &= ~(1 << n)) | bank->swi; | |
199 | } | |
200 | ||
c3d2689d AZ |
201 | static uint32_t omap_inth_read(void *opaque, target_phys_addr_t addr) |
202 | { | |
203 | struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque; | |
204 | int i, offset = addr - s->base; | |
106627d0 AZ |
205 | int bank_no = offset >> 8; |
206 | int line_no; | |
827df9f3 | 207 | struct omap_intr_handler_bank_s *bank = &s->bank[bank_no]; |
106627d0 | 208 | offset &= 0xff; |
c3d2689d AZ |
209 | |
210 | switch (offset) { | |
211 | case 0x00: /* ITR */ | |
106627d0 | 212 | return bank->irqs; |
c3d2689d AZ |
213 | |
214 | case 0x04: /* MIR */ | |
106627d0 | 215 | return bank->mask; |
c3d2689d AZ |
216 | |
217 | case 0x10: /* SIR_IRQ_CODE */ | |
106627d0 AZ |
218 | case 0x14: /* SIR_FIQ_CODE */ |
219 | if (bank_no != 0) | |
220 | break; | |
221 | line_no = s->sir_intr[(offset - 0x10) >> 2]; | |
827df9f3 | 222 | bank = &s->bank[line_no >> 5]; |
106627d0 AZ |
223 | i = line_no & 31; |
224 | if (((bank->sens_edge >> i) & 1) == INT_FALLING_EDGE) | |
225 | bank->irqs &= ~(1 << i); | |
f2df5260 | 226 | return line_no; |
c3d2689d AZ |
227 | |
228 | case 0x18: /* CONTROL_REG */ | |
106627d0 AZ |
229 | if (bank_no != 0) |
230 | break; | |
c3d2689d AZ |
231 | return 0; |
232 | ||
233 | case 0x1c: /* ILR0 */ | |
234 | case 0x20: /* ILR1 */ | |
235 | case 0x24: /* ILR2 */ | |
236 | case 0x28: /* ILR3 */ | |
237 | case 0x2c: /* ILR4 */ | |
238 | case 0x30: /* ILR5 */ | |
239 | case 0x34: /* ILR6 */ | |
240 | case 0x38: /* ILR7 */ | |
241 | case 0x3c: /* ILR8 */ | |
242 | case 0x40: /* ILR9 */ | |
243 | case 0x44: /* ILR10 */ | |
244 | case 0x48: /* ILR11 */ | |
245 | case 0x4c: /* ILR12 */ | |
246 | case 0x50: /* ILR13 */ | |
247 | case 0x54: /* ILR14 */ | |
248 | case 0x58: /* ILR15 */ | |
249 | case 0x5c: /* ILR16 */ | |
250 | case 0x60: /* ILR17 */ | |
251 | case 0x64: /* ILR18 */ | |
252 | case 0x68: /* ILR19 */ | |
253 | case 0x6c: /* ILR20 */ | |
254 | case 0x70: /* ILR21 */ | |
255 | case 0x74: /* ILR22 */ | |
256 | case 0x78: /* ILR23 */ | |
257 | case 0x7c: /* ILR24 */ | |
258 | case 0x80: /* ILR25 */ | |
259 | case 0x84: /* ILR26 */ | |
260 | case 0x88: /* ILR27 */ | |
261 | case 0x8c: /* ILR28 */ | |
262 | case 0x90: /* ILR29 */ | |
263 | case 0x94: /* ILR30 */ | |
264 | case 0x98: /* ILR31 */ | |
265 | i = (offset - 0x1c) >> 2; | |
106627d0 AZ |
266 | return (bank->priority[i] << 2) | |
267 | (((bank->sens_edge >> i) & 1) << 1) | | |
268 | ((bank->fiq >> i) & 1); | |
c3d2689d AZ |
269 | |
270 | case 0x9c: /* ISR */ | |
271 | return 0x00000000; | |
272 | ||
c3d2689d | 273 | } |
106627d0 | 274 | OMAP_BAD_REG(addr); |
c3d2689d AZ |
275 | return 0; |
276 | } | |
277 | ||
278 | static void omap_inth_write(void *opaque, target_phys_addr_t addr, | |
279 | uint32_t value) | |
280 | { | |
281 | struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque; | |
282 | int i, offset = addr - s->base; | |
106627d0 | 283 | int bank_no = offset >> 8; |
827df9f3 | 284 | struct omap_intr_handler_bank_s *bank = &s->bank[bank_no]; |
106627d0 | 285 | offset &= 0xff; |
c3d2689d AZ |
286 | |
287 | switch (offset) { | |
288 | case 0x00: /* ITR */ | |
106627d0 AZ |
289 | /* Important: ignore the clearing if the IRQ is level-triggered and |
290 | the input bit is 1 */ | |
291 | bank->irqs &= value | (bank->inputs & bank->sens_edge); | |
c3d2689d AZ |
292 | return; |
293 | ||
294 | case 0x04: /* MIR */ | |
106627d0 AZ |
295 | bank->mask = value; |
296 | omap_inth_update(s, 0); | |
297 | omap_inth_update(s, 1); | |
c3d2689d AZ |
298 | return; |
299 | ||
300 | case 0x10: /* SIR_IRQ_CODE */ | |
301 | case 0x14: /* SIR_FIQ_CODE */ | |
302 | OMAP_RO_REG(addr); | |
303 | break; | |
304 | ||
305 | case 0x18: /* CONTROL_REG */ | |
106627d0 AZ |
306 | if (bank_no != 0) |
307 | break; | |
308 | if (value & 2) { | |
309 | qemu_set_irq(s->parent_intr[1], 0); | |
310 | s->new_agr[1] = ~0; | |
311 | omap_inth_update(s, 1); | |
312 | } | |
313 | if (value & 1) { | |
314 | qemu_set_irq(s->parent_intr[0], 0); | |
315 | s->new_agr[0] = ~0; | |
316 | omap_inth_update(s, 0); | |
317 | } | |
c3d2689d AZ |
318 | return; |
319 | ||
320 | case 0x1c: /* ILR0 */ | |
321 | case 0x20: /* ILR1 */ | |
322 | case 0x24: /* ILR2 */ | |
323 | case 0x28: /* ILR3 */ | |
324 | case 0x2c: /* ILR4 */ | |
325 | case 0x30: /* ILR5 */ | |
326 | case 0x34: /* ILR6 */ | |
327 | case 0x38: /* ILR7 */ | |
328 | case 0x3c: /* ILR8 */ | |
329 | case 0x40: /* ILR9 */ | |
330 | case 0x44: /* ILR10 */ | |
331 | case 0x48: /* ILR11 */ | |
332 | case 0x4c: /* ILR12 */ | |
333 | case 0x50: /* ILR13 */ | |
334 | case 0x54: /* ILR14 */ | |
335 | case 0x58: /* ILR15 */ | |
336 | case 0x5c: /* ILR16 */ | |
337 | case 0x60: /* ILR17 */ | |
338 | case 0x64: /* ILR18 */ | |
339 | case 0x68: /* ILR19 */ | |
340 | case 0x6c: /* ILR20 */ | |
341 | case 0x70: /* ILR21 */ | |
342 | case 0x74: /* ILR22 */ | |
343 | case 0x78: /* ILR23 */ | |
344 | case 0x7c: /* ILR24 */ | |
345 | case 0x80: /* ILR25 */ | |
346 | case 0x84: /* ILR26 */ | |
347 | case 0x88: /* ILR27 */ | |
348 | case 0x8c: /* ILR28 */ | |
349 | case 0x90: /* ILR29 */ | |
350 | case 0x94: /* ILR30 */ | |
351 | case 0x98: /* ILR31 */ | |
352 | i = (offset - 0x1c) >> 2; | |
106627d0 AZ |
353 | bank->priority[i] = (value >> 2) & 0x1f; |
354 | bank->sens_edge &= ~(1 << i); | |
355 | bank->sens_edge |= ((value >> 1) & 1) << i; | |
356 | bank->fiq &= ~(1 << i); | |
357 | bank->fiq |= (value & 1) << i; | |
c3d2689d AZ |
358 | return; |
359 | ||
360 | case 0x9c: /* ISR */ | |
361 | for (i = 0; i < 32; i ++) | |
362 | if (value & (1 << i)) { | |
106627d0 | 363 | omap_set_intr(s, 32 * bank_no + i, 1); |
c3d2689d AZ |
364 | return; |
365 | } | |
366 | return; | |
c3d2689d | 367 | } |
106627d0 | 368 | OMAP_BAD_REG(addr); |
c3d2689d AZ |
369 | } |
370 | ||
371 | static CPUReadMemoryFunc *omap_inth_readfn[] = { | |
372 | omap_badwidth_read32, | |
373 | omap_badwidth_read32, | |
374 | omap_inth_read, | |
375 | }; | |
376 | ||
377 | static CPUWriteMemoryFunc *omap_inth_writefn[] = { | |
378 | omap_inth_write, | |
379 | omap_inth_write, | |
380 | omap_inth_write, | |
381 | }; | |
382 | ||
106627d0 | 383 | void omap_inth_reset(struct omap_intr_handler_s *s) |
c3d2689d | 384 | { |
106627d0 AZ |
385 | int i; |
386 | ||
387 | for (i = 0; i < s->nbanks; ++i){ | |
827df9f3 AZ |
388 | s->bank[i].irqs = 0x00000000; |
389 | s->bank[i].mask = 0xffffffff; | |
390 | s->bank[i].sens_edge = 0x00000000; | |
391 | s->bank[i].fiq = 0x00000000; | |
392 | s->bank[i].inputs = 0x00000000; | |
393 | s->bank[i].swi = 0x00000000; | |
394 | memset(s->bank[i].priority, 0, sizeof(s->bank[i].priority)); | |
395 | ||
396 | if (s->level_only) | |
397 | s->bank[i].sens_edge = 0xffffffff; | |
106627d0 | 398 | } |
c3d2689d | 399 | |
106627d0 AZ |
400 | s->new_agr[0] = ~0; |
401 | s->new_agr[1] = ~0; | |
402 | s->sir_intr[0] = 0; | |
403 | s->sir_intr[1] = 0; | |
827df9f3 AZ |
404 | s->autoidle = 0; |
405 | s->mask = ~0; | |
106627d0 AZ |
406 | |
407 | qemu_set_irq(s->parent_intr[0], 0); | |
408 | qemu_set_irq(s->parent_intr[1], 0); | |
c3d2689d AZ |
409 | } |
410 | ||
411 | struct omap_intr_handler_s *omap_inth_init(target_phys_addr_t base, | |
827df9f3 | 412 | unsigned long size, unsigned char nbanks, qemu_irq **pins, |
106627d0 | 413 | qemu_irq parent_irq, qemu_irq parent_fiq, omap_clk clk) |
c3d2689d AZ |
414 | { |
415 | int iomemtype; | |
416 | struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) | |
106627d0 AZ |
417 | qemu_mallocz(sizeof(struct omap_intr_handler_s) + |
418 | sizeof(struct omap_intr_handler_bank_s) * nbanks); | |
c3d2689d | 419 | |
106627d0 AZ |
420 | s->parent_intr[0] = parent_irq; |
421 | s->parent_intr[1] = parent_fiq; | |
c3d2689d | 422 | s->base = base; |
106627d0 AZ |
423 | s->nbanks = nbanks; |
424 | s->pins = qemu_allocate_irqs(omap_set_intr, s, nbanks * 32); | |
827df9f3 AZ |
425 | if (pins) |
426 | *pins = s->pins; | |
106627d0 | 427 | |
c3d2689d AZ |
428 | omap_inth_reset(s); |
429 | ||
430 | iomemtype = cpu_register_io_memory(0, omap_inth_readfn, | |
431 | omap_inth_writefn, s); | |
432 | cpu_register_physical_memory(s->base, size, iomemtype); | |
433 | ||
434 | return s; | |
435 | } | |
436 | ||
827df9f3 AZ |
437 | static uint32_t omap2_inth_read(void *opaque, target_phys_addr_t addr) |
438 | { | |
439 | struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque; | |
440 | int offset = addr - s->base; | |
441 | int bank_no, line_no; | |
442 | struct omap_intr_handler_bank_s *bank = 0; | |
443 | ||
444 | if ((offset & 0xf80) == 0x80) { | |
445 | bank_no = (offset & 0x60) >> 5; | |
446 | if (bank_no < s->nbanks) { | |
447 | offset &= ~0x60; | |
448 | bank = &s->bank[bank_no]; | |
449 | } | |
450 | } | |
451 | ||
452 | switch (offset) { | |
453 | case 0x00: /* INTC_REVISION */ | |
454 | return 0x21; | |
455 | ||
456 | case 0x10: /* INTC_SYSCONFIG */ | |
457 | return (s->autoidle >> 2) & 1; | |
458 | ||
459 | case 0x14: /* INTC_SYSSTATUS */ | |
460 | return 1; /* RESETDONE */ | |
461 | ||
462 | case 0x40: /* INTC_SIR_IRQ */ | |
463 | return s->sir_intr[0]; | |
464 | ||
465 | case 0x44: /* INTC_SIR_FIQ */ | |
466 | return s->sir_intr[1]; | |
467 | ||
468 | case 0x48: /* INTC_CONTROL */ | |
469 | return (!s->mask) << 2; /* GLOBALMASK */ | |
470 | ||
471 | case 0x4c: /* INTC_PROTECTION */ | |
472 | return 0; | |
473 | ||
474 | case 0x50: /* INTC_IDLE */ | |
475 | return s->autoidle & 3; | |
476 | ||
477 | /* Per-bank registers */ | |
478 | case 0x80: /* INTC_ITR */ | |
479 | return bank->inputs; | |
480 | ||
481 | case 0x84: /* INTC_MIR */ | |
482 | return bank->mask; | |
483 | ||
484 | case 0x88: /* INTC_MIR_CLEAR */ | |
485 | case 0x8c: /* INTC_MIR_SET */ | |
486 | return 0; | |
487 | ||
488 | case 0x90: /* INTC_ISR_SET */ | |
489 | return bank->swi; | |
490 | ||
491 | case 0x94: /* INTC_ISR_CLEAR */ | |
492 | return 0; | |
493 | ||
494 | case 0x98: /* INTC_PENDING_IRQ */ | |
495 | return bank->irqs & ~bank->mask & ~bank->fiq; | |
496 | ||
497 | case 0x9c: /* INTC_PENDING_FIQ */ | |
498 | return bank->irqs & ~bank->mask & bank->fiq; | |
499 | ||
500 | /* Per-line registers */ | |
501 | case 0x100 ... 0x300: /* INTC_ILR */ | |
502 | bank_no = (offset - 0x100) >> 7; | |
503 | if (bank_no > s->nbanks) | |
504 | break; | |
505 | bank = &s->bank[bank_no]; | |
506 | line_no = (offset & 0x7f) >> 2; | |
507 | return (bank->priority[line_no] << 2) | | |
508 | ((bank->fiq >> line_no) & 1); | |
509 | } | |
510 | OMAP_BAD_REG(addr); | |
511 | return 0; | |
512 | } | |
513 | ||
514 | static void omap2_inth_write(void *opaque, target_phys_addr_t addr, | |
515 | uint32_t value) | |
516 | { | |
517 | struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque; | |
518 | int offset = addr - s->base; | |
519 | int bank_no, line_no; | |
520 | struct omap_intr_handler_bank_s *bank = 0; | |
521 | ||
522 | if ((offset & 0xf80) == 0x80) { | |
523 | bank_no = (offset & 0x60) >> 5; | |
524 | if (bank_no < s->nbanks) { | |
525 | offset &= ~0x60; | |
526 | bank = &s->bank[bank_no]; | |
527 | } | |
528 | } | |
529 | ||
530 | switch (offset) { | |
531 | case 0x10: /* INTC_SYSCONFIG */ | |
532 | s->autoidle &= 4; | |
533 | s->autoidle |= (value & 1) << 2; | |
534 | if (value & 2) /* SOFTRESET */ | |
535 | omap_inth_reset(s); | |
536 | return; | |
537 | ||
538 | case 0x48: /* INTC_CONTROL */ | |
539 | s->mask = (value & 4) ? 0 : ~0; /* GLOBALMASK */ | |
540 | if (value & 2) { /* NEWFIQAGR */ | |
541 | qemu_set_irq(s->parent_intr[1], 0); | |
542 | s->new_agr[1] = ~0; | |
543 | omap_inth_update(s, 1); | |
544 | } | |
545 | if (value & 1) { /* NEWIRQAGR */ | |
546 | qemu_set_irq(s->parent_intr[0], 0); | |
547 | s->new_agr[0] = ~0; | |
548 | omap_inth_update(s, 0); | |
549 | } | |
550 | return; | |
551 | ||
552 | case 0x4c: /* INTC_PROTECTION */ | |
553 | /* TODO: Make a bitmap (or sizeof(char)map) of access privileges | |
554 | * for every register, see Chapter 3 and 4 for privileged mode. */ | |
555 | if (value & 1) | |
556 | fprintf(stderr, "%s: protection mode enable attempt\n", | |
557 | __FUNCTION__); | |
558 | return; | |
559 | ||
560 | case 0x50: /* INTC_IDLE */ | |
561 | s->autoidle &= ~3; | |
562 | s->autoidle |= value & 3; | |
563 | return; | |
564 | ||
565 | /* Per-bank registers */ | |
566 | case 0x84: /* INTC_MIR */ | |
567 | bank->mask = value; | |
568 | omap_inth_update(s, 0); | |
569 | omap_inth_update(s, 1); | |
570 | return; | |
571 | ||
572 | case 0x88: /* INTC_MIR_CLEAR */ | |
573 | bank->mask &= ~value; | |
574 | omap_inth_update(s, 0); | |
575 | omap_inth_update(s, 1); | |
576 | return; | |
577 | ||
578 | case 0x8c: /* INTC_MIR_SET */ | |
579 | bank->mask |= value; | |
580 | return; | |
581 | ||
582 | case 0x90: /* INTC_ISR_SET */ | |
583 | bank->irqs |= bank->swi |= value; | |
584 | omap_inth_update(s, 0); | |
585 | omap_inth_update(s, 1); | |
586 | return; | |
587 | ||
588 | case 0x94: /* INTC_ISR_CLEAR */ | |
589 | bank->swi &= ~value; | |
590 | bank->irqs = bank->swi & bank->inputs; | |
591 | return; | |
592 | ||
593 | /* Per-line registers */ | |
594 | case 0x100 ... 0x300: /* INTC_ILR */ | |
595 | bank_no = (offset - 0x100) >> 7; | |
596 | if (bank_no > s->nbanks) | |
597 | break; | |
598 | bank = &s->bank[bank_no]; | |
599 | line_no = (offset & 0x7f) >> 2; | |
600 | bank->priority[line_no] = (value >> 2) & 0x3f; | |
601 | bank->fiq &= ~(1 << line_no); | |
602 | bank->fiq |= (value & 1) << line_no; | |
603 | return; | |
604 | ||
605 | case 0x00: /* INTC_REVISION */ | |
606 | case 0x14: /* INTC_SYSSTATUS */ | |
607 | case 0x40: /* INTC_SIR_IRQ */ | |
608 | case 0x44: /* INTC_SIR_FIQ */ | |
609 | case 0x80: /* INTC_ITR */ | |
610 | case 0x98: /* INTC_PENDING_IRQ */ | |
611 | case 0x9c: /* INTC_PENDING_FIQ */ | |
612 | OMAP_RO_REG(addr); | |
613 | return; | |
614 | } | |
615 | OMAP_BAD_REG(addr); | |
616 | } | |
617 | ||
618 | static CPUReadMemoryFunc *omap2_inth_readfn[] = { | |
619 | omap_badwidth_read32, | |
620 | omap_badwidth_read32, | |
621 | omap2_inth_read, | |
622 | }; | |
623 | ||
624 | static CPUWriteMemoryFunc *omap2_inth_writefn[] = { | |
625 | omap2_inth_write, | |
626 | omap2_inth_write, | |
627 | omap2_inth_write, | |
628 | }; | |
629 | ||
630 | struct omap_intr_handler_s *omap2_inth_init(target_phys_addr_t base, | |
631 | int size, int nbanks, qemu_irq **pins, | |
632 | qemu_irq parent_irq, qemu_irq parent_fiq, | |
633 | omap_clk fclk, omap_clk iclk) | |
634 | { | |
635 | int iomemtype; | |
636 | struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) | |
637 | qemu_mallocz(sizeof(struct omap_intr_handler_s) + | |
638 | sizeof(struct omap_intr_handler_bank_s) * nbanks); | |
639 | ||
640 | s->parent_intr[0] = parent_irq; | |
641 | s->parent_intr[1] = parent_fiq; | |
642 | s->base = base; | |
643 | s->nbanks = nbanks; | |
644 | s->level_only = 1; | |
645 | s->pins = qemu_allocate_irqs(omap_set_intr_noedge, s, nbanks * 32); | |
646 | if (pins) | |
647 | *pins = s->pins; | |
648 | ||
649 | omap_inth_reset(s); | |
650 | ||
651 | iomemtype = cpu_register_io_memory(0, omap2_inth_readfn, | |
652 | omap2_inth_writefn, s); | |
653 | cpu_register_physical_memory(s->base, size, iomemtype); | |
654 | ||
655 | return s; | |
656 | } | |
657 | ||
c3d2689d AZ |
658 | /* MPU OS timers */ |
659 | struct omap_mpu_timer_s { | |
660 | qemu_irq irq; | |
661 | omap_clk clk; | |
662 | target_phys_addr_t base; | |
663 | uint32_t val; | |
664 | int64_t time; | |
665 | QEMUTimer *timer; | |
666 | int64_t rate; | |
667 | int it_ena; | |
668 | ||
669 | int enable; | |
670 | int ptv; | |
671 | int ar; | |
672 | int st; | |
673 | uint32_t reset_val; | |
674 | }; | |
675 | ||
676 | static inline uint32_t omap_timer_read(struct omap_mpu_timer_s *timer) | |
677 | { | |
678 | uint64_t distance = qemu_get_clock(vm_clock) - timer->time; | |
679 | ||
680 | if (timer->st && timer->enable && timer->rate) | |
681 | return timer->val - muldiv64(distance >> (timer->ptv + 1), | |
682 | timer->rate, ticks_per_sec); | |
683 | else | |
684 | return timer->val; | |
685 | } | |
686 | ||
687 | static inline void omap_timer_sync(struct omap_mpu_timer_s *timer) | |
688 | { | |
689 | timer->val = omap_timer_read(timer); | |
690 | timer->time = qemu_get_clock(vm_clock); | |
691 | } | |
692 | ||
693 | static inline void omap_timer_update(struct omap_mpu_timer_s *timer) | |
694 | { | |
695 | int64_t expires; | |
696 | ||
697 | if (timer->enable && timer->st && timer->rate) { | |
698 | timer->val = timer->reset_val; /* Should skip this on clk enable */ | |
b854bc19 | 699 | expires = muldiv64(timer->val << (timer->ptv + 1), |
c3d2689d | 700 | ticks_per_sec, timer->rate); |
b854bc19 AZ |
701 | |
702 | /* If timer expiry would be sooner than in about 1 ms and | |
703 | * auto-reload isn't set, then fire immediately. This is a hack | |
704 | * to make systems like PalmOS run in acceptable time. PalmOS | |
705 | * sets the interval to a very low value and polls the status bit | |
706 | * in a busy loop when it wants to sleep just a couple of CPU | |
707 | * ticks. */ | |
708 | if (expires > (ticks_per_sec >> 10) || timer->ar) | |
709 | qemu_mod_timer(timer->timer, timer->time + expires); | |
710 | else { | |
711 | timer->val = 0; | |
712 | timer->st = 0; | |
713 | if (timer->it_ena) | |
106627d0 AZ |
714 | /* Edge-triggered irq */ |
715 | qemu_irq_pulse(timer->irq); | |
b854bc19 | 716 | } |
c3d2689d AZ |
717 | } else |
718 | qemu_del_timer(timer->timer); | |
719 | } | |
720 | ||
721 | static void omap_timer_tick(void *opaque) | |
722 | { | |
723 | struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque; | |
724 | omap_timer_sync(timer); | |
725 | ||
726 | if (!timer->ar) { | |
727 | timer->val = 0; | |
728 | timer->st = 0; | |
729 | } | |
730 | ||
731 | if (timer->it_ena) | |
106627d0 AZ |
732 | /* Edge-triggered irq */ |
733 | qemu_irq_pulse(timer->irq); | |
c3d2689d AZ |
734 | omap_timer_update(timer); |
735 | } | |
736 | ||
737 | static void omap_timer_clk_update(void *opaque, int line, int on) | |
738 | { | |
739 | struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque; | |
740 | ||
741 | omap_timer_sync(timer); | |
742 | timer->rate = on ? omap_clk_getrate(timer->clk) : 0; | |
743 | omap_timer_update(timer); | |
744 | } | |
745 | ||
746 | static void omap_timer_clk_setup(struct omap_mpu_timer_s *timer) | |
747 | { | |
748 | omap_clk_adduser(timer->clk, | |
749 | qemu_allocate_irqs(omap_timer_clk_update, timer, 1)[0]); | |
750 | timer->rate = omap_clk_getrate(timer->clk); | |
751 | } | |
752 | ||
753 | static uint32_t omap_mpu_timer_read(void *opaque, target_phys_addr_t addr) | |
754 | { | |
755 | struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque; | |
756 | int offset = addr - s->base; | |
757 | ||
758 | switch (offset) { | |
759 | case 0x00: /* CNTL_TIMER */ | |
760 | return (s->enable << 5) | (s->ptv << 2) | (s->ar << 1) | s->st; | |
761 | ||
762 | case 0x04: /* LOAD_TIM */ | |
763 | break; | |
764 | ||
765 | case 0x08: /* READ_TIM */ | |
766 | return omap_timer_read(s); | |
767 | } | |
768 | ||
769 | OMAP_BAD_REG(addr); | |
770 | return 0; | |
771 | } | |
772 | ||
773 | static void omap_mpu_timer_write(void *opaque, target_phys_addr_t addr, | |
774 | uint32_t value) | |
775 | { | |
776 | struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque; | |
777 | int offset = addr - s->base; | |
778 | ||
779 | switch (offset) { | |
780 | case 0x00: /* CNTL_TIMER */ | |
781 | omap_timer_sync(s); | |
782 | s->enable = (value >> 5) & 1; | |
783 | s->ptv = (value >> 2) & 7; | |
784 | s->ar = (value >> 1) & 1; | |
785 | s->st = value & 1; | |
786 | omap_timer_update(s); | |
787 | return; | |
788 | ||
789 | case 0x04: /* LOAD_TIM */ | |
790 | s->reset_val = value; | |
791 | return; | |
792 | ||
793 | case 0x08: /* READ_TIM */ | |
794 | OMAP_RO_REG(addr); | |
795 | break; | |
796 | ||
797 | default: | |
798 | OMAP_BAD_REG(addr); | |
799 | } | |
800 | } | |
801 | ||
802 | static CPUReadMemoryFunc *omap_mpu_timer_readfn[] = { | |
803 | omap_badwidth_read32, | |
804 | omap_badwidth_read32, | |
805 | omap_mpu_timer_read, | |
806 | }; | |
807 | ||
808 | static CPUWriteMemoryFunc *omap_mpu_timer_writefn[] = { | |
809 | omap_badwidth_write32, | |
810 | omap_badwidth_write32, | |
811 | omap_mpu_timer_write, | |
812 | }; | |
813 | ||
814 | static void omap_mpu_timer_reset(struct omap_mpu_timer_s *s) | |
815 | { | |
816 | qemu_del_timer(s->timer); | |
817 | s->enable = 0; | |
818 | s->reset_val = 31337; | |
819 | s->val = 0; | |
820 | s->ptv = 0; | |
821 | s->ar = 0; | |
822 | s->st = 0; | |
823 | s->it_ena = 1; | |
824 | } | |
825 | ||
826 | struct omap_mpu_timer_s *omap_mpu_timer_init(target_phys_addr_t base, | |
827 | qemu_irq irq, omap_clk clk) | |
828 | { | |
829 | int iomemtype; | |
830 | struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) | |
831 | qemu_mallocz(sizeof(struct omap_mpu_timer_s)); | |
832 | ||
833 | s->irq = irq; | |
834 | s->clk = clk; | |
835 | s->base = base; | |
836 | s->timer = qemu_new_timer(vm_clock, omap_timer_tick, s); | |
837 | omap_mpu_timer_reset(s); | |
838 | omap_timer_clk_setup(s); | |
839 | ||
840 | iomemtype = cpu_register_io_memory(0, omap_mpu_timer_readfn, | |
841 | omap_mpu_timer_writefn, s); | |
842 | cpu_register_physical_memory(s->base, 0x100, iomemtype); | |
843 | ||
844 | return s; | |
845 | } | |
846 | ||
847 | /* Watchdog timer */ | |
848 | struct omap_watchdog_timer_s { | |
849 | struct omap_mpu_timer_s timer; | |
850 | uint8_t last_wr; | |
851 | int mode; | |
852 | int free; | |
853 | int reset; | |
854 | }; | |
855 | ||
856 | static uint32_t omap_wd_timer_read(void *opaque, target_phys_addr_t addr) | |
857 | { | |
858 | struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque; | |
859 | int offset = addr - s->timer.base; | |
860 | ||
861 | switch (offset) { | |
862 | case 0x00: /* CNTL_TIMER */ | |
863 | return (s->timer.ptv << 9) | (s->timer.ar << 8) | | |
864 | (s->timer.st << 7) | (s->free << 1); | |
865 | ||
866 | case 0x04: /* READ_TIMER */ | |
867 | return omap_timer_read(&s->timer); | |
868 | ||
869 | case 0x08: /* TIMER_MODE */ | |
870 | return s->mode << 15; | |
871 | } | |
872 | ||
873 | OMAP_BAD_REG(addr); | |
874 | return 0; | |
875 | } | |
876 | ||
877 | static void omap_wd_timer_write(void *opaque, target_phys_addr_t addr, | |
878 | uint32_t value) | |
879 | { | |
880 | struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque; | |
881 | int offset = addr - s->timer.base; | |
882 | ||
883 | switch (offset) { | |
884 | case 0x00: /* CNTL_TIMER */ | |
885 | omap_timer_sync(&s->timer); | |
886 | s->timer.ptv = (value >> 9) & 7; | |
887 | s->timer.ar = (value >> 8) & 1; | |
888 | s->timer.st = (value >> 7) & 1; | |
889 | s->free = (value >> 1) & 1; | |
890 | omap_timer_update(&s->timer); | |
891 | break; | |
892 | ||
893 | case 0x04: /* LOAD_TIMER */ | |
894 | s->timer.reset_val = value & 0xffff; | |
895 | break; | |
896 | ||
897 | case 0x08: /* TIMER_MODE */ | |
898 | if (!s->mode && ((value >> 15) & 1)) | |
899 | omap_clk_get(s->timer.clk); | |
900 | s->mode |= (value >> 15) & 1; | |
901 | if (s->last_wr == 0xf5) { | |
902 | if ((value & 0xff) == 0xa0) { | |
d8f699cb AZ |
903 | if (s->mode) { |
904 | s->mode = 0; | |
905 | omap_clk_put(s->timer.clk); | |
906 | } | |
c3d2689d AZ |
907 | } else { |
908 | /* XXX: on T|E hardware somehow this has no effect, | |
909 | * on Zire 71 it works as specified. */ | |
910 | s->reset = 1; | |
911 | qemu_system_reset_request(); | |
912 | } | |
913 | } | |
914 | s->last_wr = value & 0xff; | |
915 | break; | |
916 | ||
917 | default: | |
918 | OMAP_BAD_REG(addr); | |
919 | } | |
920 | } | |
921 | ||
922 | static CPUReadMemoryFunc *omap_wd_timer_readfn[] = { | |
923 | omap_badwidth_read16, | |
924 | omap_wd_timer_read, | |
925 | omap_badwidth_read16, | |
926 | }; | |
927 | ||
928 | static CPUWriteMemoryFunc *omap_wd_timer_writefn[] = { | |
929 | omap_badwidth_write16, | |
930 | omap_wd_timer_write, | |
931 | omap_badwidth_write16, | |
932 | }; | |
933 | ||
934 | static void omap_wd_timer_reset(struct omap_watchdog_timer_s *s) | |
935 | { | |
936 | qemu_del_timer(s->timer.timer); | |
937 | if (!s->mode) | |
938 | omap_clk_get(s->timer.clk); | |
939 | s->mode = 1; | |
940 | s->free = 1; | |
941 | s->reset = 0; | |
942 | s->timer.enable = 1; | |
943 | s->timer.it_ena = 1; | |
944 | s->timer.reset_val = 0xffff; | |
945 | s->timer.val = 0; | |
946 | s->timer.st = 0; | |
947 | s->timer.ptv = 0; | |
948 | s->timer.ar = 0; | |
949 | omap_timer_update(&s->timer); | |
950 | } | |
951 | ||
952 | struct omap_watchdog_timer_s *omap_wd_timer_init(target_phys_addr_t base, | |
953 | qemu_irq irq, omap_clk clk) | |
954 | { | |
955 | int iomemtype; | |
956 | struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) | |
957 | qemu_mallocz(sizeof(struct omap_watchdog_timer_s)); | |
958 | ||
959 | s->timer.irq = irq; | |
960 | s->timer.clk = clk; | |
961 | s->timer.base = base; | |
962 | s->timer.timer = qemu_new_timer(vm_clock, omap_timer_tick, &s->timer); | |
963 | omap_wd_timer_reset(s); | |
964 | omap_timer_clk_setup(&s->timer); | |
965 | ||
966 | iomemtype = cpu_register_io_memory(0, omap_wd_timer_readfn, | |
967 | omap_wd_timer_writefn, s); | |
968 | cpu_register_physical_memory(s->timer.base, 0x100, iomemtype); | |
969 | ||
970 | return s; | |
971 | } | |
972 | ||
973 | /* 32-kHz timer */ | |
974 | struct omap_32khz_timer_s { | |
975 | struct omap_mpu_timer_s timer; | |
976 | }; | |
977 | ||
978 | static uint32_t omap_os_timer_read(void *opaque, target_phys_addr_t addr) | |
979 | { | |
980 | struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque; | |
cf965d24 | 981 | int offset = addr & OMAP_MPUI_REG_MASK; |
c3d2689d AZ |
982 | |
983 | switch (offset) { | |
984 | case 0x00: /* TVR */ | |
985 | return s->timer.reset_val; | |
986 | ||
987 | case 0x04: /* TCR */ | |
988 | return omap_timer_read(&s->timer); | |
989 | ||
990 | case 0x08: /* CR */ | |
991 | return (s->timer.ar << 3) | (s->timer.it_ena << 2) | s->timer.st; | |
992 | ||
993 | default: | |
994 | break; | |
995 | } | |
996 | OMAP_BAD_REG(addr); | |
997 | return 0; | |
998 | } | |
999 | ||
1000 | static void omap_os_timer_write(void *opaque, target_phys_addr_t addr, | |
1001 | uint32_t value) | |
1002 | { | |
1003 | struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque; | |
cf965d24 | 1004 | int offset = addr & OMAP_MPUI_REG_MASK; |
c3d2689d AZ |
1005 | |
1006 | switch (offset) { | |
1007 | case 0x00: /* TVR */ | |
1008 | s->timer.reset_val = value & 0x00ffffff; | |
1009 | break; | |
1010 | ||
1011 | case 0x04: /* TCR */ | |
1012 | OMAP_RO_REG(addr); | |
1013 | break; | |
1014 | ||
1015 | case 0x08: /* CR */ | |
1016 | s->timer.ar = (value >> 3) & 1; | |
1017 | s->timer.it_ena = (value >> 2) & 1; | |
1018 | if (s->timer.st != (value & 1) || (value & 2)) { | |
1019 | omap_timer_sync(&s->timer); | |
1020 | s->timer.enable = value & 1; | |
1021 | s->timer.st = value & 1; | |
1022 | omap_timer_update(&s->timer); | |
1023 | } | |
1024 | break; | |
1025 | ||
1026 | default: | |
1027 | OMAP_BAD_REG(addr); | |
1028 | } | |
1029 | } | |
1030 | ||
1031 | static CPUReadMemoryFunc *omap_os_timer_readfn[] = { | |
1032 | omap_badwidth_read32, | |
1033 | omap_badwidth_read32, | |
1034 | omap_os_timer_read, | |
1035 | }; | |
1036 | ||
1037 | static CPUWriteMemoryFunc *omap_os_timer_writefn[] = { | |
1038 | omap_badwidth_write32, | |
1039 | omap_badwidth_write32, | |
1040 | omap_os_timer_write, | |
1041 | }; | |
1042 | ||
1043 | static void omap_os_timer_reset(struct omap_32khz_timer_s *s) | |
1044 | { | |
1045 | qemu_del_timer(s->timer.timer); | |
1046 | s->timer.enable = 0; | |
1047 | s->timer.it_ena = 0; | |
1048 | s->timer.reset_val = 0x00ffffff; | |
1049 | s->timer.val = 0; | |
1050 | s->timer.st = 0; | |
1051 | s->timer.ptv = 0; | |
1052 | s->timer.ar = 1; | |
1053 | } | |
1054 | ||
1055 | struct omap_32khz_timer_s *omap_os_timer_init(target_phys_addr_t base, | |
1056 | qemu_irq irq, omap_clk clk) | |
1057 | { | |
1058 | int iomemtype; | |
1059 | struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) | |
1060 | qemu_mallocz(sizeof(struct omap_32khz_timer_s)); | |
1061 | ||
1062 | s->timer.irq = irq; | |
1063 | s->timer.clk = clk; | |
1064 | s->timer.base = base; | |
1065 | s->timer.timer = qemu_new_timer(vm_clock, omap_timer_tick, &s->timer); | |
1066 | omap_os_timer_reset(s); | |
1067 | omap_timer_clk_setup(&s->timer); | |
1068 | ||
1069 | iomemtype = cpu_register_io_memory(0, omap_os_timer_readfn, | |
1070 | omap_os_timer_writefn, s); | |
1071 | cpu_register_physical_memory(s->timer.base, 0x800, iomemtype); | |
1072 | ||
1073 | return s; | |
1074 | } | |
1075 | ||
1076 | /* Ultra Low-Power Device Module */ | |
1077 | static uint32_t omap_ulpd_pm_read(void *opaque, target_phys_addr_t addr) | |
1078 | { | |
1079 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1080 | int offset = addr - s->ulpd_pm_base; | |
1081 | uint16_t ret; | |
1082 | ||
1083 | switch (offset) { | |
1084 | case 0x14: /* IT_STATUS */ | |
1085 | ret = s->ulpd_pm_regs[offset >> 2]; | |
1086 | s->ulpd_pm_regs[offset >> 2] = 0; | |
1087 | qemu_irq_lower(s->irq[1][OMAP_INT_GAUGE_32K]); | |
1088 | return ret; | |
1089 | ||
1090 | case 0x18: /* Reserved */ | |
1091 | case 0x1c: /* Reserved */ | |
1092 | case 0x20: /* Reserved */ | |
1093 | case 0x28: /* Reserved */ | |
1094 | case 0x2c: /* Reserved */ | |
1095 | OMAP_BAD_REG(addr); | |
1096 | case 0x00: /* COUNTER_32_LSB */ | |
1097 | case 0x04: /* COUNTER_32_MSB */ | |
1098 | case 0x08: /* COUNTER_HIGH_FREQ_LSB */ | |
1099 | case 0x0c: /* COUNTER_HIGH_FREQ_MSB */ | |
1100 | case 0x10: /* GAUGING_CTRL */ | |
1101 | case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */ | |
1102 | case 0x30: /* CLOCK_CTRL */ | |
1103 | case 0x34: /* SOFT_REQ */ | |
1104 | case 0x38: /* COUNTER_32_FIQ */ | |
1105 | case 0x3c: /* DPLL_CTRL */ | |
1106 | case 0x40: /* STATUS_REQ */ | |
1107 | /* XXX: check clk::usecount state for every clock */ | |
1108 | case 0x48: /* LOCL_TIME */ | |
1109 | case 0x4c: /* APLL_CTRL */ | |
1110 | case 0x50: /* POWER_CTRL */ | |
1111 | return s->ulpd_pm_regs[offset >> 2]; | |
1112 | } | |
1113 | ||
1114 | OMAP_BAD_REG(addr); | |
1115 | return 0; | |
1116 | } | |
1117 | ||
1118 | static inline void omap_ulpd_clk_update(struct omap_mpu_state_s *s, | |
1119 | uint16_t diff, uint16_t value) | |
1120 | { | |
1121 | if (diff & (1 << 4)) /* USB_MCLK_EN */ | |
1122 | omap_clk_onoff(omap_findclk(s, "usb_clk0"), (value >> 4) & 1); | |
1123 | if (diff & (1 << 5)) /* DIS_USB_PVCI_CLK */ | |
1124 | omap_clk_onoff(omap_findclk(s, "usb_w2fc_ck"), (~value >> 5) & 1); | |
1125 | } | |
1126 | ||
1127 | static inline void omap_ulpd_req_update(struct omap_mpu_state_s *s, | |
1128 | uint16_t diff, uint16_t value) | |
1129 | { | |
1130 | if (diff & (1 << 0)) /* SOFT_DPLL_REQ */ | |
1131 | omap_clk_canidle(omap_findclk(s, "dpll4"), (~value >> 0) & 1); | |
1132 | if (diff & (1 << 1)) /* SOFT_COM_REQ */ | |
1133 | omap_clk_canidle(omap_findclk(s, "com_mclk_out"), (~value >> 1) & 1); | |
1134 | if (diff & (1 << 2)) /* SOFT_SDW_REQ */ | |
1135 | omap_clk_canidle(omap_findclk(s, "bt_mclk_out"), (~value >> 2) & 1); | |
1136 | if (diff & (1 << 3)) /* SOFT_USB_REQ */ | |
1137 | omap_clk_canidle(omap_findclk(s, "usb_clk0"), (~value >> 3) & 1); | |
1138 | } | |
1139 | ||
1140 | static void omap_ulpd_pm_write(void *opaque, target_phys_addr_t addr, | |
1141 | uint32_t value) | |
1142 | { | |
1143 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1144 | int offset = addr - s->ulpd_pm_base; | |
1145 | int64_t now, ticks; | |
1146 | int div, mult; | |
1147 | static const int bypass_div[4] = { 1, 2, 4, 4 }; | |
1148 | uint16_t diff; | |
1149 | ||
1150 | switch (offset) { | |
1151 | case 0x00: /* COUNTER_32_LSB */ | |
1152 | case 0x04: /* COUNTER_32_MSB */ | |
1153 | case 0x08: /* COUNTER_HIGH_FREQ_LSB */ | |
1154 | case 0x0c: /* COUNTER_HIGH_FREQ_MSB */ | |
1155 | case 0x14: /* IT_STATUS */ | |
1156 | case 0x40: /* STATUS_REQ */ | |
1157 | OMAP_RO_REG(addr); | |
1158 | break; | |
1159 | ||
1160 | case 0x10: /* GAUGING_CTRL */ | |
1161 | /* Bits 0 and 1 seem to be confused in the OMAP 310 TRM */ | |
1162 | if ((s->ulpd_pm_regs[offset >> 2] ^ value) & 1) { | |
1163 | now = qemu_get_clock(vm_clock); | |
1164 | ||
1165 | if (value & 1) | |
1166 | s->ulpd_gauge_start = now; | |
1167 | else { | |
1168 | now -= s->ulpd_gauge_start; | |
1169 | ||
1170 | /* 32-kHz ticks */ | |
1171 | ticks = muldiv64(now, 32768, ticks_per_sec); | |
1172 | s->ulpd_pm_regs[0x00 >> 2] = (ticks >> 0) & 0xffff; | |
1173 | s->ulpd_pm_regs[0x04 >> 2] = (ticks >> 16) & 0xffff; | |
1174 | if (ticks >> 32) /* OVERFLOW_32K */ | |
1175 | s->ulpd_pm_regs[0x14 >> 2] |= 1 << 2; | |
1176 | ||
1177 | /* High frequency ticks */ | |
1178 | ticks = muldiv64(now, 12000000, ticks_per_sec); | |
1179 | s->ulpd_pm_regs[0x08 >> 2] = (ticks >> 0) & 0xffff; | |
1180 | s->ulpd_pm_regs[0x0c >> 2] = (ticks >> 16) & 0xffff; | |
1181 | if (ticks >> 32) /* OVERFLOW_HI_FREQ */ | |
1182 | s->ulpd_pm_regs[0x14 >> 2] |= 1 << 1; | |
1183 | ||
1184 | s->ulpd_pm_regs[0x14 >> 2] |= 1 << 0; /* IT_GAUGING */ | |
1185 | qemu_irq_raise(s->irq[1][OMAP_INT_GAUGE_32K]); | |
1186 | } | |
1187 | } | |
1188 | s->ulpd_pm_regs[offset >> 2] = value; | |
1189 | break; | |
1190 | ||
1191 | case 0x18: /* Reserved */ | |
1192 | case 0x1c: /* Reserved */ | |
1193 | case 0x20: /* Reserved */ | |
1194 | case 0x28: /* Reserved */ | |
1195 | case 0x2c: /* Reserved */ | |
1196 | OMAP_BAD_REG(addr); | |
1197 | case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */ | |
1198 | case 0x38: /* COUNTER_32_FIQ */ | |
1199 | case 0x48: /* LOCL_TIME */ | |
1200 | case 0x50: /* POWER_CTRL */ | |
1201 | s->ulpd_pm_regs[offset >> 2] = value; | |
1202 | break; | |
1203 | ||
1204 | case 0x30: /* CLOCK_CTRL */ | |
1205 | diff = s->ulpd_pm_regs[offset >> 2] ^ value; | |
1206 | s->ulpd_pm_regs[offset >> 2] = value & 0x3f; | |
1207 | omap_ulpd_clk_update(s, diff, value); | |
1208 | break; | |
1209 | ||
1210 | case 0x34: /* SOFT_REQ */ | |
1211 | diff = s->ulpd_pm_regs[offset >> 2] ^ value; | |
1212 | s->ulpd_pm_regs[offset >> 2] = value & 0x1f; | |
1213 | omap_ulpd_req_update(s, diff, value); | |
1214 | break; | |
1215 | ||
1216 | case 0x3c: /* DPLL_CTRL */ | |
1217 | /* XXX: OMAP310 TRM claims bit 3 is PLL_ENABLE, and bit 4 is | |
1218 | * omitted altogether, probably a typo. */ | |
1219 | /* This register has identical semantics with DPLL(1:3) control | |
1220 | * registers, see omap_dpll_write() */ | |
1221 | diff = s->ulpd_pm_regs[offset >> 2] & value; | |
1222 | s->ulpd_pm_regs[offset >> 2] = value & 0x2fff; | |
1223 | if (diff & (0x3ff << 2)) { | |
1224 | if (value & (1 << 4)) { /* PLL_ENABLE */ | |
1225 | div = ((value >> 5) & 3) + 1; /* PLL_DIV */ | |
1226 | mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */ | |
1227 | } else { | |
1228 | div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */ | |
1229 | mult = 1; | |
1230 | } | |
1231 | omap_clk_setrate(omap_findclk(s, "dpll4"), div, mult); | |
1232 | } | |
1233 | ||
1234 | /* Enter the desired mode. */ | |
1235 | s->ulpd_pm_regs[offset >> 2] = | |
1236 | (s->ulpd_pm_regs[offset >> 2] & 0xfffe) | | |
1237 | ((s->ulpd_pm_regs[offset >> 2] >> 4) & 1); | |
1238 | ||
1239 | /* Act as if the lock is restored. */ | |
1240 | s->ulpd_pm_regs[offset >> 2] |= 2; | |
1241 | break; | |
1242 | ||
1243 | case 0x4c: /* APLL_CTRL */ | |
1244 | diff = s->ulpd_pm_regs[offset >> 2] & value; | |
1245 | s->ulpd_pm_regs[offset >> 2] = value & 0xf; | |
1246 | if (diff & (1 << 0)) /* APLL_NDPLL_SWITCH */ | |
1247 | omap_clk_reparent(omap_findclk(s, "ck_48m"), omap_findclk(s, | |
1248 | (value & (1 << 0)) ? "apll" : "dpll4")); | |
1249 | break; | |
1250 | ||
1251 | default: | |
1252 | OMAP_BAD_REG(addr); | |
1253 | } | |
1254 | } | |
1255 | ||
1256 | static CPUReadMemoryFunc *omap_ulpd_pm_readfn[] = { | |
1257 | omap_badwidth_read16, | |
1258 | omap_ulpd_pm_read, | |
1259 | omap_badwidth_read16, | |
1260 | }; | |
1261 | ||
1262 | static CPUWriteMemoryFunc *omap_ulpd_pm_writefn[] = { | |
1263 | omap_badwidth_write16, | |
1264 | omap_ulpd_pm_write, | |
1265 | omap_badwidth_write16, | |
1266 | }; | |
1267 | ||
1268 | static void omap_ulpd_pm_reset(struct omap_mpu_state_s *mpu) | |
1269 | { | |
1270 | mpu->ulpd_pm_regs[0x00 >> 2] = 0x0001; | |
1271 | mpu->ulpd_pm_regs[0x04 >> 2] = 0x0000; | |
1272 | mpu->ulpd_pm_regs[0x08 >> 2] = 0x0001; | |
1273 | mpu->ulpd_pm_regs[0x0c >> 2] = 0x0000; | |
1274 | mpu->ulpd_pm_regs[0x10 >> 2] = 0x0000; | |
1275 | mpu->ulpd_pm_regs[0x18 >> 2] = 0x01; | |
1276 | mpu->ulpd_pm_regs[0x1c >> 2] = 0x01; | |
1277 | mpu->ulpd_pm_regs[0x20 >> 2] = 0x01; | |
1278 | mpu->ulpd_pm_regs[0x24 >> 2] = 0x03ff; | |
1279 | mpu->ulpd_pm_regs[0x28 >> 2] = 0x01; | |
1280 | mpu->ulpd_pm_regs[0x2c >> 2] = 0x01; | |
1281 | omap_ulpd_clk_update(mpu, mpu->ulpd_pm_regs[0x30 >> 2], 0x0000); | |
1282 | mpu->ulpd_pm_regs[0x30 >> 2] = 0x0000; | |
1283 | omap_ulpd_req_update(mpu, mpu->ulpd_pm_regs[0x34 >> 2], 0x0000); | |
1284 | mpu->ulpd_pm_regs[0x34 >> 2] = 0x0000; | |
1285 | mpu->ulpd_pm_regs[0x38 >> 2] = 0x0001; | |
1286 | mpu->ulpd_pm_regs[0x3c >> 2] = 0x2211; | |
1287 | mpu->ulpd_pm_regs[0x40 >> 2] = 0x0000; /* FIXME: dump a real STATUS_REQ */ | |
1288 | mpu->ulpd_pm_regs[0x48 >> 2] = 0x960; | |
1289 | mpu->ulpd_pm_regs[0x4c >> 2] = 0x08; | |
1290 | mpu->ulpd_pm_regs[0x50 >> 2] = 0x08; | |
1291 | omap_clk_setrate(omap_findclk(mpu, "dpll4"), 1, 4); | |
1292 | omap_clk_reparent(omap_findclk(mpu, "ck_48m"), omap_findclk(mpu, "dpll4")); | |
1293 | } | |
1294 | ||
1295 | static void omap_ulpd_pm_init(target_phys_addr_t base, | |
1296 | struct omap_mpu_state_s *mpu) | |
1297 | { | |
1298 | int iomemtype = cpu_register_io_memory(0, omap_ulpd_pm_readfn, | |
1299 | omap_ulpd_pm_writefn, mpu); | |
1300 | ||
1301 | mpu->ulpd_pm_base = base; | |
1302 | cpu_register_physical_memory(mpu->ulpd_pm_base, 0x800, iomemtype); | |
1303 | omap_ulpd_pm_reset(mpu); | |
1304 | } | |
1305 | ||
1306 | /* OMAP Pin Configuration */ | |
1307 | static uint32_t omap_pin_cfg_read(void *opaque, target_phys_addr_t addr) | |
1308 | { | |
1309 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1310 | int offset = addr - s->pin_cfg_base; | |
1311 | ||
1312 | switch (offset) { | |
1313 | case 0x00: /* FUNC_MUX_CTRL_0 */ | |
1314 | case 0x04: /* FUNC_MUX_CTRL_1 */ | |
1315 | case 0x08: /* FUNC_MUX_CTRL_2 */ | |
1316 | return s->func_mux_ctrl[offset >> 2]; | |
1317 | ||
1318 | case 0x0c: /* COMP_MODE_CTRL_0 */ | |
1319 | return s->comp_mode_ctrl[0]; | |
1320 | ||
1321 | case 0x10: /* FUNC_MUX_CTRL_3 */ | |
1322 | case 0x14: /* FUNC_MUX_CTRL_4 */ | |
1323 | case 0x18: /* FUNC_MUX_CTRL_5 */ | |
1324 | case 0x1c: /* FUNC_MUX_CTRL_6 */ | |
1325 | case 0x20: /* FUNC_MUX_CTRL_7 */ | |
1326 | case 0x24: /* FUNC_MUX_CTRL_8 */ | |
1327 | case 0x28: /* FUNC_MUX_CTRL_9 */ | |
1328 | case 0x2c: /* FUNC_MUX_CTRL_A */ | |
1329 | case 0x30: /* FUNC_MUX_CTRL_B */ | |
1330 | case 0x34: /* FUNC_MUX_CTRL_C */ | |
1331 | case 0x38: /* FUNC_MUX_CTRL_D */ | |
1332 | return s->func_mux_ctrl[(offset >> 2) - 1]; | |
1333 | ||
1334 | case 0x40: /* PULL_DWN_CTRL_0 */ | |
1335 | case 0x44: /* PULL_DWN_CTRL_1 */ | |
1336 | case 0x48: /* PULL_DWN_CTRL_2 */ | |
1337 | case 0x4c: /* PULL_DWN_CTRL_3 */ | |
1338 | return s->pull_dwn_ctrl[(offset & 0xf) >> 2]; | |
1339 | ||
1340 | case 0x50: /* GATE_INH_CTRL_0 */ | |
1341 | return s->gate_inh_ctrl[0]; | |
1342 | ||
1343 | case 0x60: /* VOLTAGE_CTRL_0 */ | |
1344 | return s->voltage_ctrl[0]; | |
1345 | ||
1346 | case 0x70: /* TEST_DBG_CTRL_0 */ | |
1347 | return s->test_dbg_ctrl[0]; | |
1348 | ||
1349 | case 0x80: /* MOD_CONF_CTRL_0 */ | |
1350 | return s->mod_conf_ctrl[0]; | |
1351 | } | |
1352 | ||
1353 | OMAP_BAD_REG(addr); | |
1354 | return 0; | |
1355 | } | |
1356 | ||
1357 | static inline void omap_pin_funcmux0_update(struct omap_mpu_state_s *s, | |
1358 | uint32_t diff, uint32_t value) | |
1359 | { | |
1360 | if (s->compat1509) { | |
1361 | if (diff & (1 << 9)) /* BLUETOOTH */ | |
1362 | omap_clk_onoff(omap_findclk(s, "bt_mclk_out"), | |
1363 | (~value >> 9) & 1); | |
1364 | if (diff & (1 << 7)) /* USB.CLKO */ | |
1365 | omap_clk_onoff(omap_findclk(s, "usb.clko"), | |
1366 | (value >> 7) & 1); | |
1367 | } | |
1368 | } | |
1369 | ||
1370 | static inline void omap_pin_funcmux1_update(struct omap_mpu_state_s *s, | |
1371 | uint32_t diff, uint32_t value) | |
1372 | { | |
1373 | if (s->compat1509) { | |
1374 | if (diff & (1 << 31)) /* MCBSP3_CLK_HIZ_DI */ | |
1375 | omap_clk_onoff(omap_findclk(s, "mcbsp3.clkx"), | |
1376 | (value >> 31) & 1); | |
1377 | if (diff & (1 << 1)) /* CLK32K */ | |
1378 | omap_clk_onoff(omap_findclk(s, "clk32k_out"), | |
1379 | (~value >> 1) & 1); | |
1380 | } | |
1381 | } | |
1382 | ||
1383 | static inline void omap_pin_modconf1_update(struct omap_mpu_state_s *s, | |
1384 | uint32_t diff, uint32_t value) | |
1385 | { | |
1386 | if (diff & (1 << 31)) /* CONF_MOD_UART3_CLK_MODE_R */ | |
1387 | omap_clk_reparent(omap_findclk(s, "uart3_ck"), | |
1388 | omap_findclk(s, ((value >> 31) & 1) ? | |
1389 | "ck_48m" : "armper_ck")); | |
1390 | if (diff & (1 << 30)) /* CONF_MOD_UART2_CLK_MODE_R */ | |
1391 | omap_clk_reparent(omap_findclk(s, "uart2_ck"), | |
1392 | omap_findclk(s, ((value >> 30) & 1) ? | |
1393 | "ck_48m" : "armper_ck")); | |
1394 | if (diff & (1 << 29)) /* CONF_MOD_UART1_CLK_MODE_R */ | |
1395 | omap_clk_reparent(omap_findclk(s, "uart1_ck"), | |
1396 | omap_findclk(s, ((value >> 29) & 1) ? | |
1397 | "ck_48m" : "armper_ck")); | |
1398 | if (diff & (1 << 23)) /* CONF_MOD_MMC_SD_CLK_REQ_R */ | |
1399 | omap_clk_reparent(omap_findclk(s, "mmc_ck"), | |
1400 | omap_findclk(s, ((value >> 23) & 1) ? | |
1401 | "ck_48m" : "armper_ck")); | |
1402 | if (diff & (1 << 12)) /* CONF_MOD_COM_MCLK_12_48_S */ | |
1403 | omap_clk_reparent(omap_findclk(s, "com_mclk_out"), | |
1404 | omap_findclk(s, ((value >> 12) & 1) ? | |
1405 | "ck_48m" : "armper_ck")); | |
1406 | if (diff & (1 << 9)) /* CONF_MOD_USB_HOST_HHC_UHO */ | |
1407 | omap_clk_onoff(omap_findclk(s, "usb_hhc_ck"), (value >> 9) & 1); | |
1408 | } | |
1409 | ||
1410 | static void omap_pin_cfg_write(void *opaque, target_phys_addr_t addr, | |
1411 | uint32_t value) | |
1412 | { | |
1413 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1414 | int offset = addr - s->pin_cfg_base; | |
1415 | uint32_t diff; | |
1416 | ||
1417 | switch (offset) { | |
1418 | case 0x00: /* FUNC_MUX_CTRL_0 */ | |
1419 | diff = s->func_mux_ctrl[offset >> 2] ^ value; | |
1420 | s->func_mux_ctrl[offset >> 2] = value; | |
1421 | omap_pin_funcmux0_update(s, diff, value); | |
1422 | return; | |
1423 | ||
1424 | case 0x04: /* FUNC_MUX_CTRL_1 */ | |
1425 | diff = s->func_mux_ctrl[offset >> 2] ^ value; | |
1426 | s->func_mux_ctrl[offset >> 2] = value; | |
1427 | omap_pin_funcmux1_update(s, diff, value); | |
1428 | return; | |
1429 | ||
1430 | case 0x08: /* FUNC_MUX_CTRL_2 */ | |
1431 | s->func_mux_ctrl[offset >> 2] = value; | |
1432 | return; | |
1433 | ||
1434 | case 0x0c: /* COMP_MODE_CTRL_0 */ | |
1435 | s->comp_mode_ctrl[0] = value; | |
1436 | s->compat1509 = (value != 0x0000eaef); | |
1437 | omap_pin_funcmux0_update(s, ~0, s->func_mux_ctrl[0]); | |
1438 | omap_pin_funcmux1_update(s, ~0, s->func_mux_ctrl[1]); | |
1439 | return; | |
1440 | ||
1441 | case 0x10: /* FUNC_MUX_CTRL_3 */ | |
1442 | case 0x14: /* FUNC_MUX_CTRL_4 */ | |
1443 | case 0x18: /* FUNC_MUX_CTRL_5 */ | |
1444 | case 0x1c: /* FUNC_MUX_CTRL_6 */ | |
1445 | case 0x20: /* FUNC_MUX_CTRL_7 */ | |
1446 | case 0x24: /* FUNC_MUX_CTRL_8 */ | |
1447 | case 0x28: /* FUNC_MUX_CTRL_9 */ | |
1448 | case 0x2c: /* FUNC_MUX_CTRL_A */ | |
1449 | case 0x30: /* FUNC_MUX_CTRL_B */ | |
1450 | case 0x34: /* FUNC_MUX_CTRL_C */ | |
1451 | case 0x38: /* FUNC_MUX_CTRL_D */ | |
1452 | s->func_mux_ctrl[(offset >> 2) - 1] = value; | |
1453 | return; | |
1454 | ||
1455 | case 0x40: /* PULL_DWN_CTRL_0 */ | |
1456 | case 0x44: /* PULL_DWN_CTRL_1 */ | |
1457 | case 0x48: /* PULL_DWN_CTRL_2 */ | |
1458 | case 0x4c: /* PULL_DWN_CTRL_3 */ | |
1459 | s->pull_dwn_ctrl[(offset & 0xf) >> 2] = value; | |
1460 | return; | |
1461 | ||
1462 | case 0x50: /* GATE_INH_CTRL_0 */ | |
1463 | s->gate_inh_ctrl[0] = value; | |
1464 | return; | |
1465 | ||
1466 | case 0x60: /* VOLTAGE_CTRL_0 */ | |
1467 | s->voltage_ctrl[0] = value; | |
1468 | return; | |
1469 | ||
1470 | case 0x70: /* TEST_DBG_CTRL_0 */ | |
1471 | s->test_dbg_ctrl[0] = value; | |
1472 | return; | |
1473 | ||
1474 | case 0x80: /* MOD_CONF_CTRL_0 */ | |
1475 | diff = s->mod_conf_ctrl[0] ^ value; | |
1476 | s->mod_conf_ctrl[0] = value; | |
1477 | omap_pin_modconf1_update(s, diff, value); | |
1478 | return; | |
1479 | ||
1480 | default: | |
1481 | OMAP_BAD_REG(addr); | |
1482 | } | |
1483 | } | |
1484 | ||
1485 | static CPUReadMemoryFunc *omap_pin_cfg_readfn[] = { | |
1486 | omap_badwidth_read32, | |
1487 | omap_badwidth_read32, | |
1488 | omap_pin_cfg_read, | |
1489 | }; | |
1490 | ||
1491 | static CPUWriteMemoryFunc *omap_pin_cfg_writefn[] = { | |
1492 | omap_badwidth_write32, | |
1493 | omap_badwidth_write32, | |
1494 | omap_pin_cfg_write, | |
1495 | }; | |
1496 | ||
1497 | static void omap_pin_cfg_reset(struct omap_mpu_state_s *mpu) | |
1498 | { | |
1499 | /* Start in Compatibility Mode. */ | |
1500 | mpu->compat1509 = 1; | |
1501 | omap_pin_funcmux0_update(mpu, mpu->func_mux_ctrl[0], 0); | |
1502 | omap_pin_funcmux1_update(mpu, mpu->func_mux_ctrl[1], 0); | |
1503 | omap_pin_modconf1_update(mpu, mpu->mod_conf_ctrl[0], 0); | |
1504 | memset(mpu->func_mux_ctrl, 0, sizeof(mpu->func_mux_ctrl)); | |
1505 | memset(mpu->comp_mode_ctrl, 0, sizeof(mpu->comp_mode_ctrl)); | |
1506 | memset(mpu->pull_dwn_ctrl, 0, sizeof(mpu->pull_dwn_ctrl)); | |
1507 | memset(mpu->gate_inh_ctrl, 0, sizeof(mpu->gate_inh_ctrl)); | |
1508 | memset(mpu->voltage_ctrl, 0, sizeof(mpu->voltage_ctrl)); | |
1509 | memset(mpu->test_dbg_ctrl, 0, sizeof(mpu->test_dbg_ctrl)); | |
1510 | memset(mpu->mod_conf_ctrl, 0, sizeof(mpu->mod_conf_ctrl)); | |
1511 | } | |
1512 | ||
1513 | static void omap_pin_cfg_init(target_phys_addr_t base, | |
1514 | struct omap_mpu_state_s *mpu) | |
1515 | { | |
1516 | int iomemtype = cpu_register_io_memory(0, omap_pin_cfg_readfn, | |
1517 | omap_pin_cfg_writefn, mpu); | |
1518 | ||
1519 | mpu->pin_cfg_base = base; | |
1520 | cpu_register_physical_memory(mpu->pin_cfg_base, 0x800, iomemtype); | |
1521 | omap_pin_cfg_reset(mpu); | |
1522 | } | |
1523 | ||
1524 | /* Device Identification, Die Identification */ | |
1525 | static uint32_t omap_id_read(void *opaque, target_phys_addr_t addr) | |
1526 | { | |
1527 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1528 | ||
1529 | switch (addr) { | |
1530 | case 0xfffe1800: /* DIE_ID_LSB */ | |
1531 | return 0xc9581f0e; | |
1532 | case 0xfffe1804: /* DIE_ID_MSB */ | |
1533 | return 0xa8858bfa; | |
1534 | ||
1535 | case 0xfffe2000: /* PRODUCT_ID_LSB */ | |
1536 | return 0x00aaaafc; | |
1537 | case 0xfffe2004: /* PRODUCT_ID_MSB */ | |
1538 | return 0xcafeb574; | |
1539 | ||
1540 | case 0xfffed400: /* JTAG_ID_LSB */ | |
1541 | switch (s->mpu_model) { | |
1542 | case omap310: | |
1543 | return 0x03310315; | |
1544 | case omap1510: | |
1545 | return 0x03310115; | |
827df9f3 AZ |
1546 | default: |
1547 | cpu_abort(cpu_single_env, "%s: bad mpu model\n", __FUNCTION__); | |
c3d2689d AZ |
1548 | } |
1549 | break; | |
1550 | ||
1551 | case 0xfffed404: /* JTAG_ID_MSB */ | |
1552 | switch (s->mpu_model) { | |
1553 | case omap310: | |
1554 | return 0xfb57402f; | |
1555 | case omap1510: | |
1556 | return 0xfb47002f; | |
827df9f3 AZ |
1557 | default: |
1558 | cpu_abort(cpu_single_env, "%s: bad mpu model\n", __FUNCTION__); | |
c3d2689d AZ |
1559 | } |
1560 | break; | |
1561 | } | |
1562 | ||
1563 | OMAP_BAD_REG(addr); | |
1564 | return 0; | |
1565 | } | |
1566 | ||
1567 | static void omap_id_write(void *opaque, target_phys_addr_t addr, | |
1568 | uint32_t value) | |
1569 | { | |
1570 | OMAP_BAD_REG(addr); | |
1571 | } | |
1572 | ||
1573 | static CPUReadMemoryFunc *omap_id_readfn[] = { | |
1574 | omap_badwidth_read32, | |
1575 | omap_badwidth_read32, | |
1576 | omap_id_read, | |
1577 | }; | |
1578 | ||
1579 | static CPUWriteMemoryFunc *omap_id_writefn[] = { | |
1580 | omap_badwidth_write32, | |
1581 | omap_badwidth_write32, | |
1582 | omap_id_write, | |
1583 | }; | |
1584 | ||
1585 | static void omap_id_init(struct omap_mpu_state_s *mpu) | |
1586 | { | |
1587 | int iomemtype = cpu_register_io_memory(0, omap_id_readfn, | |
1588 | omap_id_writefn, mpu); | |
1589 | cpu_register_physical_memory(0xfffe1800, 0x800, iomemtype); | |
1590 | cpu_register_physical_memory(0xfffed400, 0x100, iomemtype); | |
1591 | if (!cpu_is_omap15xx(mpu)) | |
1592 | cpu_register_physical_memory(0xfffe2000, 0x800, iomemtype); | |
1593 | } | |
1594 | ||
1595 | /* MPUI Control (Dummy) */ | |
1596 | static uint32_t omap_mpui_read(void *opaque, target_phys_addr_t addr) | |
1597 | { | |
1598 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1599 | int offset = addr - s->mpui_base; | |
1600 | ||
1601 | switch (offset) { | |
1602 | case 0x00: /* CTRL */ | |
1603 | return s->mpui_ctrl; | |
1604 | case 0x04: /* DEBUG_ADDR */ | |
1605 | return 0x01ffffff; | |
1606 | case 0x08: /* DEBUG_DATA */ | |
1607 | return 0xffffffff; | |
1608 | case 0x0c: /* DEBUG_FLAG */ | |
1609 | return 0x00000800; | |
1610 | case 0x10: /* STATUS */ | |
1611 | return 0x00000000; | |
1612 | ||
1613 | /* Not in OMAP310 */ | |
1614 | case 0x14: /* DSP_STATUS */ | |
1615 | case 0x18: /* DSP_BOOT_CONFIG */ | |
1616 | return 0x00000000; | |
1617 | case 0x1c: /* DSP_MPUI_CONFIG */ | |
1618 | return 0x0000ffff; | |
1619 | } | |
1620 | ||
1621 | OMAP_BAD_REG(addr); | |
1622 | return 0; | |
1623 | } | |
1624 | ||
1625 | static void omap_mpui_write(void *opaque, target_phys_addr_t addr, | |
1626 | uint32_t value) | |
1627 | { | |
1628 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1629 | int offset = addr - s->mpui_base; | |
1630 | ||
1631 | switch (offset) { | |
1632 | case 0x00: /* CTRL */ | |
1633 | s->mpui_ctrl = value & 0x007fffff; | |
1634 | break; | |
1635 | ||
1636 | case 0x04: /* DEBUG_ADDR */ | |
1637 | case 0x08: /* DEBUG_DATA */ | |
1638 | case 0x0c: /* DEBUG_FLAG */ | |
1639 | case 0x10: /* STATUS */ | |
1640 | /* Not in OMAP310 */ | |
1641 | case 0x14: /* DSP_STATUS */ | |
1642 | OMAP_RO_REG(addr); | |
1643 | case 0x18: /* DSP_BOOT_CONFIG */ | |
1644 | case 0x1c: /* DSP_MPUI_CONFIG */ | |
1645 | break; | |
1646 | ||
1647 | default: | |
1648 | OMAP_BAD_REG(addr); | |
1649 | } | |
1650 | } | |
1651 | ||
1652 | static CPUReadMemoryFunc *omap_mpui_readfn[] = { | |
1653 | omap_badwidth_read32, | |
1654 | omap_badwidth_read32, | |
1655 | omap_mpui_read, | |
1656 | }; | |
1657 | ||
1658 | static CPUWriteMemoryFunc *omap_mpui_writefn[] = { | |
1659 | omap_badwidth_write32, | |
1660 | omap_badwidth_write32, | |
1661 | omap_mpui_write, | |
1662 | }; | |
1663 | ||
1664 | static void omap_mpui_reset(struct omap_mpu_state_s *s) | |
1665 | { | |
1666 | s->mpui_ctrl = 0x0003ff1b; | |
1667 | } | |
1668 | ||
1669 | static void omap_mpui_init(target_phys_addr_t base, | |
1670 | struct omap_mpu_state_s *mpu) | |
1671 | { | |
1672 | int iomemtype = cpu_register_io_memory(0, omap_mpui_readfn, | |
1673 | omap_mpui_writefn, mpu); | |
1674 | ||
1675 | mpu->mpui_base = base; | |
1676 | cpu_register_physical_memory(mpu->mpui_base, 0x100, iomemtype); | |
1677 | ||
1678 | omap_mpui_reset(mpu); | |
1679 | } | |
1680 | ||
1681 | /* TIPB Bridges */ | |
1682 | struct omap_tipb_bridge_s { | |
1683 | target_phys_addr_t base; | |
1684 | qemu_irq abort; | |
1685 | ||
1686 | int width_intr; | |
1687 | uint16_t control; | |
1688 | uint16_t alloc; | |
1689 | uint16_t buffer; | |
1690 | uint16_t enh_control; | |
1691 | }; | |
1692 | ||
1693 | static uint32_t omap_tipb_bridge_read(void *opaque, target_phys_addr_t addr) | |
1694 | { | |
1695 | struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque; | |
1696 | int offset = addr - s->base; | |
1697 | ||
1698 | switch (offset) { | |
1699 | case 0x00: /* TIPB_CNTL */ | |
1700 | return s->control; | |
1701 | case 0x04: /* TIPB_BUS_ALLOC */ | |
1702 | return s->alloc; | |
1703 | case 0x08: /* MPU_TIPB_CNTL */ | |
1704 | return s->buffer; | |
1705 | case 0x0c: /* ENHANCED_TIPB_CNTL */ | |
1706 | return s->enh_control; | |
1707 | case 0x10: /* ADDRESS_DBG */ | |
1708 | case 0x14: /* DATA_DEBUG_LOW */ | |
1709 | case 0x18: /* DATA_DEBUG_HIGH */ | |
1710 | return 0xffff; | |
1711 | case 0x1c: /* DEBUG_CNTR_SIG */ | |
1712 | return 0x00f8; | |
1713 | } | |
1714 | ||
1715 | OMAP_BAD_REG(addr); | |
1716 | return 0; | |
1717 | } | |
1718 | ||
1719 | static void omap_tipb_bridge_write(void *opaque, target_phys_addr_t addr, | |
1720 | uint32_t value) | |
1721 | { | |
1722 | struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque; | |
1723 | int offset = addr - s->base; | |
1724 | ||
1725 | switch (offset) { | |
1726 | case 0x00: /* TIPB_CNTL */ | |
1727 | s->control = value & 0xffff; | |
1728 | break; | |
1729 | ||
1730 | case 0x04: /* TIPB_BUS_ALLOC */ | |
1731 | s->alloc = value & 0x003f; | |
1732 | break; | |
1733 | ||
1734 | case 0x08: /* MPU_TIPB_CNTL */ | |
1735 | s->buffer = value & 0x0003; | |
1736 | break; | |
1737 | ||
1738 | case 0x0c: /* ENHANCED_TIPB_CNTL */ | |
1739 | s->width_intr = !(value & 2); | |
1740 | s->enh_control = value & 0x000f; | |
1741 | break; | |
1742 | ||
1743 | case 0x10: /* ADDRESS_DBG */ | |
1744 | case 0x14: /* DATA_DEBUG_LOW */ | |
1745 | case 0x18: /* DATA_DEBUG_HIGH */ | |
1746 | case 0x1c: /* DEBUG_CNTR_SIG */ | |
1747 | OMAP_RO_REG(addr); | |
1748 | break; | |
1749 | ||
1750 | default: | |
1751 | OMAP_BAD_REG(addr); | |
1752 | } | |
1753 | } | |
1754 | ||
1755 | static CPUReadMemoryFunc *omap_tipb_bridge_readfn[] = { | |
1756 | omap_badwidth_read16, | |
1757 | omap_tipb_bridge_read, | |
1758 | omap_tipb_bridge_read, | |
1759 | }; | |
1760 | ||
1761 | static CPUWriteMemoryFunc *omap_tipb_bridge_writefn[] = { | |
1762 | omap_badwidth_write16, | |
1763 | omap_tipb_bridge_write, | |
1764 | omap_tipb_bridge_write, | |
1765 | }; | |
1766 | ||
1767 | static void omap_tipb_bridge_reset(struct omap_tipb_bridge_s *s) | |
1768 | { | |
1769 | s->control = 0xffff; | |
1770 | s->alloc = 0x0009; | |
1771 | s->buffer = 0x0000; | |
1772 | s->enh_control = 0x000f; | |
1773 | } | |
1774 | ||
1775 | struct omap_tipb_bridge_s *omap_tipb_bridge_init(target_phys_addr_t base, | |
1776 | qemu_irq abort_irq, omap_clk clk) | |
1777 | { | |
1778 | int iomemtype; | |
1779 | struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) | |
1780 | qemu_mallocz(sizeof(struct omap_tipb_bridge_s)); | |
1781 | ||
1782 | s->abort = abort_irq; | |
1783 | s->base = base; | |
1784 | omap_tipb_bridge_reset(s); | |
1785 | ||
1786 | iomemtype = cpu_register_io_memory(0, omap_tipb_bridge_readfn, | |
1787 | omap_tipb_bridge_writefn, s); | |
1788 | cpu_register_physical_memory(s->base, 0x100, iomemtype); | |
1789 | ||
1790 | return s; | |
1791 | } | |
1792 | ||
1793 | /* Dummy Traffic Controller's Memory Interface */ | |
1794 | static uint32_t omap_tcmi_read(void *opaque, target_phys_addr_t addr) | |
1795 | { | |
1796 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1797 | int offset = addr - s->tcmi_base; | |
1798 | uint32_t ret; | |
1799 | ||
1800 | switch (offset) { | |
d8f699cb AZ |
1801 | case 0x00: /* IMIF_PRIO */ |
1802 | case 0x04: /* EMIFS_PRIO */ | |
1803 | case 0x08: /* EMIFF_PRIO */ | |
1804 | case 0x0c: /* EMIFS_CONFIG */ | |
1805 | case 0x10: /* EMIFS_CS0_CONFIG */ | |
1806 | case 0x14: /* EMIFS_CS1_CONFIG */ | |
1807 | case 0x18: /* EMIFS_CS2_CONFIG */ | |
1808 | case 0x1c: /* EMIFS_CS3_CONFIG */ | |
1809 | case 0x24: /* EMIFF_MRS */ | |
1810 | case 0x28: /* TIMEOUT1 */ | |
1811 | case 0x2c: /* TIMEOUT2 */ | |
1812 | case 0x30: /* TIMEOUT3 */ | |
1813 | case 0x3c: /* EMIFF_SDRAM_CONFIG_2 */ | |
1814 | case 0x40: /* EMIFS_CFG_DYN_WAIT */ | |
c3d2689d AZ |
1815 | return s->tcmi_regs[offset >> 2]; |
1816 | ||
d8f699cb | 1817 | case 0x20: /* EMIFF_SDRAM_CONFIG */ |
c3d2689d AZ |
1818 | ret = s->tcmi_regs[offset >> 2]; |
1819 | s->tcmi_regs[offset >> 2] &= ~1; /* XXX: Clear SLRF on SDRAM access */ | |
1820 | /* XXX: We can try using the VGA_DIRTY flag for this */ | |
1821 | return ret; | |
1822 | } | |
1823 | ||
1824 | OMAP_BAD_REG(addr); | |
1825 | return 0; | |
1826 | } | |
1827 | ||
1828 | static void omap_tcmi_write(void *opaque, target_phys_addr_t addr, | |
1829 | uint32_t value) | |
1830 | { | |
1831 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1832 | int offset = addr - s->tcmi_base; | |
1833 | ||
1834 | switch (offset) { | |
d8f699cb AZ |
1835 | case 0x00: /* IMIF_PRIO */ |
1836 | case 0x04: /* EMIFS_PRIO */ | |
1837 | case 0x08: /* EMIFF_PRIO */ | |
1838 | case 0x10: /* EMIFS_CS0_CONFIG */ | |
1839 | case 0x14: /* EMIFS_CS1_CONFIG */ | |
1840 | case 0x18: /* EMIFS_CS2_CONFIG */ | |
1841 | case 0x1c: /* EMIFS_CS3_CONFIG */ | |
1842 | case 0x20: /* EMIFF_SDRAM_CONFIG */ | |
1843 | case 0x24: /* EMIFF_MRS */ | |
1844 | case 0x28: /* TIMEOUT1 */ | |
1845 | case 0x2c: /* TIMEOUT2 */ | |
1846 | case 0x30: /* TIMEOUT3 */ | |
1847 | case 0x3c: /* EMIFF_SDRAM_CONFIG_2 */ | |
1848 | case 0x40: /* EMIFS_CFG_DYN_WAIT */ | |
c3d2689d AZ |
1849 | s->tcmi_regs[offset >> 2] = value; |
1850 | break; | |
d8f699cb | 1851 | case 0x0c: /* EMIFS_CONFIG */ |
c3d2689d AZ |
1852 | s->tcmi_regs[offset >> 2] = (value & 0xf) | (1 << 4); |
1853 | break; | |
1854 | ||
1855 | default: | |
1856 | OMAP_BAD_REG(addr); | |
1857 | } | |
1858 | } | |
1859 | ||
1860 | static CPUReadMemoryFunc *omap_tcmi_readfn[] = { | |
1861 | omap_badwidth_read32, | |
1862 | omap_badwidth_read32, | |
1863 | omap_tcmi_read, | |
1864 | }; | |
1865 | ||
1866 | static CPUWriteMemoryFunc *omap_tcmi_writefn[] = { | |
1867 | omap_badwidth_write32, | |
1868 | omap_badwidth_write32, | |
1869 | omap_tcmi_write, | |
1870 | }; | |
1871 | ||
1872 | static void omap_tcmi_reset(struct omap_mpu_state_s *mpu) | |
1873 | { | |
1874 | mpu->tcmi_regs[0x00 >> 2] = 0x00000000; | |
1875 | mpu->tcmi_regs[0x04 >> 2] = 0x00000000; | |
1876 | mpu->tcmi_regs[0x08 >> 2] = 0x00000000; | |
1877 | mpu->tcmi_regs[0x0c >> 2] = 0x00000010; | |
1878 | mpu->tcmi_regs[0x10 >> 2] = 0x0010fffb; | |
1879 | mpu->tcmi_regs[0x14 >> 2] = 0x0010fffb; | |
1880 | mpu->tcmi_regs[0x18 >> 2] = 0x0010fffb; | |
1881 | mpu->tcmi_regs[0x1c >> 2] = 0x0010fffb; | |
1882 | mpu->tcmi_regs[0x20 >> 2] = 0x00618800; | |
1883 | mpu->tcmi_regs[0x24 >> 2] = 0x00000037; | |
1884 | mpu->tcmi_regs[0x28 >> 2] = 0x00000000; | |
1885 | mpu->tcmi_regs[0x2c >> 2] = 0x00000000; | |
1886 | mpu->tcmi_regs[0x30 >> 2] = 0x00000000; | |
1887 | mpu->tcmi_regs[0x3c >> 2] = 0x00000003; | |
1888 | mpu->tcmi_regs[0x40 >> 2] = 0x00000000; | |
1889 | } | |
1890 | ||
1891 | static void omap_tcmi_init(target_phys_addr_t base, | |
1892 | struct omap_mpu_state_s *mpu) | |
1893 | { | |
1894 | int iomemtype = cpu_register_io_memory(0, omap_tcmi_readfn, | |
1895 | omap_tcmi_writefn, mpu); | |
1896 | ||
1897 | mpu->tcmi_base = base; | |
1898 | cpu_register_physical_memory(mpu->tcmi_base, 0x100, iomemtype); | |
1899 | omap_tcmi_reset(mpu); | |
1900 | } | |
1901 | ||
1902 | /* Digital phase-locked loops control */ | |
1903 | static uint32_t omap_dpll_read(void *opaque, target_phys_addr_t addr) | |
1904 | { | |
1905 | struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque; | |
1906 | int offset = addr - s->base; | |
1907 | ||
1908 | if (offset == 0x00) /* CTL_REG */ | |
1909 | return s->mode; | |
1910 | ||
1911 | OMAP_BAD_REG(addr); | |
1912 | return 0; | |
1913 | } | |
1914 | ||
1915 | static void omap_dpll_write(void *opaque, target_phys_addr_t addr, | |
1916 | uint32_t value) | |
1917 | { | |
1918 | struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque; | |
1919 | uint16_t diff; | |
1920 | int offset = addr - s->base; | |
1921 | static const int bypass_div[4] = { 1, 2, 4, 4 }; | |
1922 | int div, mult; | |
1923 | ||
1924 | if (offset == 0x00) { /* CTL_REG */ | |
1925 | /* See omap_ulpd_pm_write() too */ | |
1926 | diff = s->mode & value; | |
1927 | s->mode = value & 0x2fff; | |
1928 | if (diff & (0x3ff << 2)) { | |
1929 | if (value & (1 << 4)) { /* PLL_ENABLE */ | |
1930 | div = ((value >> 5) & 3) + 1; /* PLL_DIV */ | |
1931 | mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */ | |
1932 | } else { | |
1933 | div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */ | |
1934 | mult = 1; | |
1935 | } | |
1936 | omap_clk_setrate(s->dpll, div, mult); | |
1937 | } | |
1938 | ||
1939 | /* Enter the desired mode. */ | |
1940 | s->mode = (s->mode & 0xfffe) | ((s->mode >> 4) & 1); | |
1941 | ||
1942 | /* Act as if the lock is restored. */ | |
1943 | s->mode |= 2; | |
1944 | } else { | |
1945 | OMAP_BAD_REG(addr); | |
1946 | } | |
1947 | } | |
1948 | ||
1949 | static CPUReadMemoryFunc *omap_dpll_readfn[] = { | |
1950 | omap_badwidth_read16, | |
1951 | omap_dpll_read, | |
1952 | omap_badwidth_read16, | |
1953 | }; | |
1954 | ||
1955 | static CPUWriteMemoryFunc *omap_dpll_writefn[] = { | |
1956 | omap_badwidth_write16, | |
1957 | omap_dpll_write, | |
1958 | omap_badwidth_write16, | |
1959 | }; | |
1960 | ||
1961 | static void omap_dpll_reset(struct dpll_ctl_s *s) | |
1962 | { | |
1963 | s->mode = 0x2002; | |
1964 | omap_clk_setrate(s->dpll, 1, 1); | |
1965 | } | |
1966 | ||
1967 | static void omap_dpll_init(struct dpll_ctl_s *s, target_phys_addr_t base, | |
1968 | omap_clk clk) | |
1969 | { | |
1970 | int iomemtype = cpu_register_io_memory(0, omap_dpll_readfn, | |
1971 | omap_dpll_writefn, s); | |
1972 | ||
1973 | s->base = base; | |
1974 | s->dpll = clk; | |
1975 | omap_dpll_reset(s); | |
1976 | ||
1977 | cpu_register_physical_memory(s->base, 0x100, iomemtype); | |
1978 | } | |
1979 | ||
1980 | /* UARTs */ | |
1981 | struct omap_uart_s { | |
1982 | SerialState *serial; /* TODO */ | |
827df9f3 AZ |
1983 | struct omap_target_agent_s *ta; |
1984 | target_phys_addr_t base; | |
1985 | ||
1986 | uint8_t eblr; | |
1987 | uint8_t syscontrol; | |
1988 | uint8_t wkup; | |
1989 | uint8_t cfps; | |
c3d2689d AZ |
1990 | }; |
1991 | ||
827df9f3 | 1992 | void omap_uart_reset(struct omap_uart_s *s) |
c3d2689d | 1993 | { |
827df9f3 AZ |
1994 | s->eblr = 0x00; |
1995 | s->syscontrol = 0; | |
1996 | s->wkup = 0x3f; | |
1997 | s->cfps = 0x69; | |
c3d2689d AZ |
1998 | } |
1999 | ||
2000 | struct omap_uart_s *omap_uart_init(target_phys_addr_t base, | |
827df9f3 AZ |
2001 | qemu_irq irq, omap_clk fclk, omap_clk iclk, |
2002 | qemu_irq txdma, qemu_irq rxdma, CharDriverState *chr) | |
c3d2689d AZ |
2003 | { |
2004 | struct omap_uart_s *s = (struct omap_uart_s *) | |
2005 | qemu_mallocz(sizeof(struct omap_uart_s)); | |
827df9f3 AZ |
2006 | |
2007 | s->serial = serial_mm_init(base, 2, irq, chr ?: qemu_chr_open("null"), 1); | |
2008 | ||
2009 | return s; | |
2010 | } | |
2011 | ||
2012 | static uint32_t omap_uart_read(void *opaque, target_phys_addr_t addr) | |
2013 | { | |
2014 | struct omap_uart_s *s = (struct omap_uart_s *) opaque; | |
2015 | int offset = addr - s->base; | |
2016 | ||
2017 | switch (offset) { | |
2018 | case 0x48: /* EBLR */ | |
2019 | return s->eblr; | |
2020 | case 0x50: /* MVR */ | |
2021 | return 0x30; | |
2022 | case 0x54: /* SYSC */ | |
2023 | return s->syscontrol; | |
2024 | case 0x58: /* SYSS */ | |
2025 | return 1; | |
2026 | case 0x5c: /* WER */ | |
2027 | return s->wkup; | |
2028 | case 0x60: /* CFPS */ | |
2029 | return s->cfps; | |
2030 | } | |
2031 | ||
2032 | OMAP_BAD_REG(addr); | |
2033 | return 0; | |
2034 | } | |
2035 | ||
2036 | static void omap_uart_write(void *opaque, target_phys_addr_t addr, | |
2037 | uint32_t value) | |
2038 | { | |
2039 | struct omap_uart_s *s = (struct omap_uart_s *) opaque; | |
2040 | int offset = addr - s->base; | |
2041 | ||
2042 | switch (offset) { | |
2043 | case 0x48: /* EBLR */ | |
2044 | s->eblr = value & 0xff; | |
2045 | break; | |
2046 | case 0x50: /* MVR */ | |
2047 | case 0x58: /* SYSS */ | |
2048 | OMAP_RO_REG(addr); | |
2049 | break; | |
2050 | case 0x54: /* SYSC */ | |
2051 | s->syscontrol = value & 0x1d; | |
2052 | if (value & 2) | |
2053 | omap_uart_reset(s); | |
2054 | break; | |
2055 | case 0x5c: /* WER */ | |
2056 | s->wkup = value & 0x7f; | |
2057 | break; | |
2058 | case 0x60: /* CFPS */ | |
2059 | s->cfps = value & 0xff; | |
2060 | break; | |
2061 | default: | |
2062 | OMAP_BAD_REG(addr); | |
2063 | } | |
2064 | } | |
2065 | ||
2066 | static CPUReadMemoryFunc *omap_uart_readfn[] = { | |
2067 | omap_uart_read, | |
2068 | omap_uart_read, | |
2069 | omap_badwidth_read8, | |
2070 | }; | |
2071 | ||
2072 | static CPUWriteMemoryFunc *omap_uart_writefn[] = { | |
2073 | omap_uart_write, | |
2074 | omap_uart_write, | |
2075 | omap_badwidth_write8, | |
2076 | }; | |
2077 | ||
2078 | struct omap_uart_s *omap2_uart_init(struct omap_target_agent_s *ta, | |
2079 | qemu_irq irq, omap_clk fclk, omap_clk iclk, | |
2080 | qemu_irq txdma, qemu_irq rxdma, CharDriverState *chr) | |
2081 | { | |
2082 | target_phys_addr_t base = omap_l4_attach(ta, 0, 0); | |
2083 | struct omap_uart_s *s = omap_uart_init(base, irq, | |
2084 | fclk, iclk, txdma, rxdma, chr); | |
2085 | int iomemtype = cpu_register_io_memory(0, omap_uart_readfn, | |
2086 | omap_uart_writefn, s); | |
2087 | ||
2088 | s->ta = ta; | |
2089 | s->base = base; | |
2090 | ||
2091 | cpu_register_physical_memory(s->base + 0x20, 0x100, iomemtype); | |
2092 | ||
c3d2689d AZ |
2093 | return s; |
2094 | } | |
2095 | ||
2096 | /* MPU Clock/Reset/Power Mode Control */ | |
2097 | static uint32_t omap_clkm_read(void *opaque, target_phys_addr_t addr) | |
2098 | { | |
2099 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
2100 | int offset = addr - s->clkm.mpu_base; | |
2101 | ||
2102 | switch (offset) { | |
2103 | case 0x00: /* ARM_CKCTL */ | |
2104 | return s->clkm.arm_ckctl; | |
2105 | ||
2106 | case 0x04: /* ARM_IDLECT1 */ | |
2107 | return s->clkm.arm_idlect1; | |
2108 | ||
2109 | case 0x08: /* ARM_IDLECT2 */ | |
2110 | return s->clkm.arm_idlect2; | |
2111 | ||
2112 | case 0x0c: /* ARM_EWUPCT */ | |
2113 | return s->clkm.arm_ewupct; | |
2114 | ||
2115 | case 0x10: /* ARM_RSTCT1 */ | |
2116 | return s->clkm.arm_rstct1; | |
2117 | ||
2118 | case 0x14: /* ARM_RSTCT2 */ | |
2119 | return s->clkm.arm_rstct2; | |
2120 | ||
2121 | case 0x18: /* ARM_SYSST */ | |
d8f699cb | 2122 | return (s->clkm.clocking_scheme << 11) | s->clkm.cold_start; |
c3d2689d AZ |
2123 | |
2124 | case 0x1c: /* ARM_CKOUT1 */ | |
2125 | return s->clkm.arm_ckout1; | |
2126 | ||
2127 | case 0x20: /* ARM_CKOUT2 */ | |
2128 | break; | |
2129 | } | |
2130 | ||
2131 | OMAP_BAD_REG(addr); | |
2132 | return 0; | |
2133 | } | |
2134 | ||
2135 | static inline void omap_clkm_ckctl_update(struct omap_mpu_state_s *s, | |
2136 | uint16_t diff, uint16_t value) | |
2137 | { | |
2138 | omap_clk clk; | |
2139 | ||
2140 | if (diff & (1 << 14)) { /* ARM_INTHCK_SEL */ | |
2141 | if (value & (1 << 14)) | |
2142 | /* Reserved */; | |
2143 | else { | |
2144 | clk = omap_findclk(s, "arminth_ck"); | |
2145 | omap_clk_reparent(clk, omap_findclk(s, "tc_ck")); | |
2146 | } | |
2147 | } | |
2148 | if (diff & (1 << 12)) { /* ARM_TIMXO */ | |
2149 | clk = omap_findclk(s, "armtim_ck"); | |
2150 | if (value & (1 << 12)) | |
2151 | omap_clk_reparent(clk, omap_findclk(s, "clkin")); | |
2152 | else | |
2153 | omap_clk_reparent(clk, omap_findclk(s, "ck_gen1")); | |
2154 | } | |
2155 | /* XXX: en_dspck */ | |
2156 | if (diff & (3 << 10)) { /* DSPMMUDIV */ | |
2157 | clk = omap_findclk(s, "dspmmu_ck"); | |
2158 | omap_clk_setrate(clk, 1 << ((value >> 10) & 3), 1); | |
2159 | } | |
2160 | if (diff & (3 << 8)) { /* TCDIV */ | |
2161 | clk = omap_findclk(s, "tc_ck"); | |
2162 | omap_clk_setrate(clk, 1 << ((value >> 8) & 3), 1); | |
2163 | } | |
2164 | if (diff & (3 << 6)) { /* DSPDIV */ | |
2165 | clk = omap_findclk(s, "dsp_ck"); | |
2166 | omap_clk_setrate(clk, 1 << ((value >> 6) & 3), 1); | |
2167 | } | |
2168 | if (diff & (3 << 4)) { /* ARMDIV */ | |
2169 | clk = omap_findclk(s, "arm_ck"); | |
2170 | omap_clk_setrate(clk, 1 << ((value >> 4) & 3), 1); | |
2171 | } | |
2172 | if (diff & (3 << 2)) { /* LCDDIV */ | |
2173 | clk = omap_findclk(s, "lcd_ck"); | |
2174 | omap_clk_setrate(clk, 1 << ((value >> 2) & 3), 1); | |
2175 | } | |
2176 | if (diff & (3 << 0)) { /* PERDIV */ | |
2177 | clk = omap_findclk(s, "armper_ck"); | |
2178 | omap_clk_setrate(clk, 1 << ((value >> 0) & 3), 1); | |
2179 | } | |
2180 | } | |
2181 | ||
2182 | static inline void omap_clkm_idlect1_update(struct omap_mpu_state_s *s, | |
2183 | uint16_t diff, uint16_t value) | |
2184 | { | |
2185 | omap_clk clk; | |
2186 | ||
2187 | if (value & (1 << 11)) /* SETARM_IDLE */ | |
2188 | cpu_interrupt(s->env, CPU_INTERRUPT_HALT); | |
2189 | if (!(value & (1 << 10))) /* WKUP_MODE */ | |
2190 | qemu_system_shutdown_request(); /* XXX: disable wakeup from IRQ */ | |
2191 | ||
2192 | #define SET_CANIDLE(clock, bit) \ | |
2193 | if (diff & (1 << bit)) { \ | |
2194 | clk = omap_findclk(s, clock); \ | |
2195 | omap_clk_canidle(clk, (value >> bit) & 1); \ | |
2196 | } | |
2197 | SET_CANIDLE("mpuwd_ck", 0) /* IDLWDT_ARM */ | |
2198 | SET_CANIDLE("armxor_ck", 1) /* IDLXORP_ARM */ | |
2199 | SET_CANIDLE("mpuper_ck", 2) /* IDLPER_ARM */ | |
2200 | SET_CANIDLE("lcd_ck", 3) /* IDLLCD_ARM */ | |
2201 | SET_CANIDLE("lb_ck", 4) /* IDLLB_ARM */ | |
2202 | SET_CANIDLE("hsab_ck", 5) /* IDLHSAB_ARM */ | |
2203 | SET_CANIDLE("tipb_ck", 6) /* IDLIF_ARM */ | |
2204 | SET_CANIDLE("dma_ck", 6) /* IDLIF_ARM */ | |
2205 | SET_CANIDLE("tc_ck", 6) /* IDLIF_ARM */ | |
2206 | SET_CANIDLE("dpll1", 7) /* IDLDPLL_ARM */ | |
2207 | SET_CANIDLE("dpll2", 7) /* IDLDPLL_ARM */ | |
2208 | SET_CANIDLE("dpll3", 7) /* IDLDPLL_ARM */ | |
2209 | SET_CANIDLE("mpui_ck", 8) /* IDLAPI_ARM */ | |
2210 | SET_CANIDLE("armtim_ck", 9) /* IDLTIM_ARM */ | |
2211 | } | |
2212 | ||
2213 | static inline void omap_clkm_idlect2_update(struct omap_mpu_state_s *s, | |
2214 | uint16_t diff, uint16_t value) | |
2215 | { | |
2216 | omap_clk clk; | |
2217 | ||
2218 | #define SET_ONOFF(clock, bit) \ | |
2219 | if (diff & (1 << bit)) { \ | |
2220 | clk = omap_findclk(s, clock); \ | |
2221 | omap_clk_onoff(clk, (value >> bit) & 1); \ | |
2222 | } | |
2223 | SET_ONOFF("mpuwd_ck", 0) /* EN_WDTCK */ | |
2224 | SET_ONOFF("armxor_ck", 1) /* EN_XORPCK */ | |
2225 | SET_ONOFF("mpuper_ck", 2) /* EN_PERCK */ | |
2226 | SET_ONOFF("lcd_ck", 3) /* EN_LCDCK */ | |
2227 | SET_ONOFF("lb_ck", 4) /* EN_LBCK */ | |
2228 | SET_ONOFF("hsab_ck", 5) /* EN_HSABCK */ | |
2229 | SET_ONOFF("mpui_ck", 6) /* EN_APICK */ | |
2230 | SET_ONOFF("armtim_ck", 7) /* EN_TIMCK */ | |
2231 | SET_CANIDLE("dma_ck", 8) /* DMACK_REQ */ | |
2232 | SET_ONOFF("arm_gpio_ck", 9) /* EN_GPIOCK */ | |
2233 | SET_ONOFF("lbfree_ck", 10) /* EN_LBFREECK */ | |
2234 | } | |
2235 | ||
2236 | static inline void omap_clkm_ckout1_update(struct omap_mpu_state_s *s, | |
2237 | uint16_t diff, uint16_t value) | |
2238 | { | |
2239 | omap_clk clk; | |
2240 | ||
2241 | if (diff & (3 << 4)) { /* TCLKOUT */ | |
2242 | clk = omap_findclk(s, "tclk_out"); | |
2243 | switch ((value >> 4) & 3) { | |
2244 | case 1: | |
2245 | omap_clk_reparent(clk, omap_findclk(s, "ck_gen3")); | |
2246 | omap_clk_onoff(clk, 1); | |
2247 | break; | |
2248 | case 2: | |
2249 | omap_clk_reparent(clk, omap_findclk(s, "tc_ck")); | |
2250 | omap_clk_onoff(clk, 1); | |
2251 | break; | |
2252 | default: | |
2253 | omap_clk_onoff(clk, 0); | |
2254 | } | |
2255 | } | |
2256 | if (diff & (3 << 2)) { /* DCLKOUT */ | |
2257 | clk = omap_findclk(s, "dclk_out"); | |
2258 | switch ((value >> 2) & 3) { | |
2259 | case 0: | |
2260 | omap_clk_reparent(clk, omap_findclk(s, "dspmmu_ck")); | |
2261 | break; | |
2262 | case 1: | |
2263 | omap_clk_reparent(clk, omap_findclk(s, "ck_gen2")); | |
2264 | break; | |
2265 | case 2: | |
2266 | omap_clk_reparent(clk, omap_findclk(s, "dsp_ck")); | |
2267 | break; | |
2268 | case 3: | |
2269 | omap_clk_reparent(clk, omap_findclk(s, "ck_ref14")); | |
2270 | break; | |
2271 | } | |
2272 | } | |
2273 | if (diff & (3 << 0)) { /* ACLKOUT */ | |
2274 | clk = omap_findclk(s, "aclk_out"); | |
2275 | switch ((value >> 0) & 3) { | |
2276 | case 1: | |
2277 | omap_clk_reparent(clk, omap_findclk(s, "ck_gen1")); | |
2278 | omap_clk_onoff(clk, 1); | |
2279 | break; | |
2280 | case 2: | |
2281 | omap_clk_reparent(clk, omap_findclk(s, "arm_ck")); | |
2282 | omap_clk_onoff(clk, 1); | |
2283 | break; | |
2284 | case 3: | |
2285 | omap_clk_reparent(clk, omap_findclk(s, "ck_ref14")); | |
2286 | omap_clk_onoff(clk, 1); | |
2287 | break; | |
2288 | default: | |
2289 | omap_clk_onoff(clk, 0); | |
2290 | } | |
2291 | } | |
2292 | } | |
2293 | ||
2294 | static void omap_clkm_write(void *opaque, target_phys_addr_t addr, | |
2295 | uint32_t value) | |
2296 | { | |
2297 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
2298 | int offset = addr - s->clkm.mpu_base; | |
2299 | uint16_t diff; | |
2300 | omap_clk clk; | |
2301 | static const char *clkschemename[8] = { | |
2302 | "fully synchronous", "fully asynchronous", "synchronous scalable", | |
2303 | "mix mode 1", "mix mode 2", "bypass mode", "mix mode 3", "mix mode 4", | |
2304 | }; | |
2305 | ||
2306 | switch (offset) { | |
2307 | case 0x00: /* ARM_CKCTL */ | |
2308 | diff = s->clkm.arm_ckctl ^ value; | |
2309 | s->clkm.arm_ckctl = value & 0x7fff; | |
2310 | omap_clkm_ckctl_update(s, diff, value); | |
2311 | return; | |
2312 | ||
2313 | case 0x04: /* ARM_IDLECT1 */ | |
2314 | diff = s->clkm.arm_idlect1 ^ value; | |
2315 | s->clkm.arm_idlect1 = value & 0x0fff; | |
2316 | omap_clkm_idlect1_update(s, diff, value); | |
2317 | return; | |
2318 | ||
2319 | case 0x08: /* ARM_IDLECT2 */ | |
2320 | diff = s->clkm.arm_idlect2 ^ value; | |
2321 | s->clkm.arm_idlect2 = value & 0x07ff; | |
2322 | omap_clkm_idlect2_update(s, diff, value); | |
2323 | return; | |
2324 | ||
2325 | case 0x0c: /* ARM_EWUPCT */ | |
2326 | diff = s->clkm.arm_ewupct ^ value; | |
2327 | s->clkm.arm_ewupct = value & 0x003f; | |
2328 | return; | |
2329 | ||
2330 | case 0x10: /* ARM_RSTCT1 */ | |
2331 | diff = s->clkm.arm_rstct1 ^ value; | |
2332 | s->clkm.arm_rstct1 = value & 0x0007; | |
2333 | if (value & 9) { | |
2334 | qemu_system_reset_request(); | |
2335 | s->clkm.cold_start = 0xa; | |
2336 | } | |
2337 | if (diff & ~value & 4) { /* DSP_RST */ | |
2338 | omap_mpui_reset(s); | |
2339 | omap_tipb_bridge_reset(s->private_tipb); | |
2340 | omap_tipb_bridge_reset(s->public_tipb); | |
2341 | } | |
2342 | if (diff & 2) { /* DSP_EN */ | |
2343 | clk = omap_findclk(s, "dsp_ck"); | |
2344 | omap_clk_canidle(clk, (~value >> 1) & 1); | |
2345 | } | |
2346 | return; | |
2347 | ||
2348 | case 0x14: /* ARM_RSTCT2 */ | |
2349 | s->clkm.arm_rstct2 = value & 0x0001; | |
2350 | return; | |
2351 | ||
2352 | case 0x18: /* ARM_SYSST */ | |
2353 | if ((s->clkm.clocking_scheme ^ (value >> 11)) & 7) { | |
2354 | s->clkm.clocking_scheme = (value >> 11) & 7; | |
2355 | printf("%s: clocking scheme set to %s\n", __FUNCTION__, | |
2356 | clkschemename[s->clkm.clocking_scheme]); | |
2357 | } | |
2358 | s->clkm.cold_start &= value & 0x3f; | |
2359 | return; | |
2360 | ||
2361 | case 0x1c: /* ARM_CKOUT1 */ | |
2362 | diff = s->clkm.arm_ckout1 ^ value; | |
2363 | s->clkm.arm_ckout1 = value & 0x003f; | |
2364 | omap_clkm_ckout1_update(s, diff, value); | |
2365 | return; | |
2366 | ||
2367 | case 0x20: /* ARM_CKOUT2 */ | |
2368 | default: | |
2369 | OMAP_BAD_REG(addr); | |
2370 | } | |
2371 | } | |
2372 | ||
2373 | static CPUReadMemoryFunc *omap_clkm_readfn[] = { | |
2374 | omap_badwidth_read16, | |
2375 | omap_clkm_read, | |
2376 | omap_badwidth_read16, | |
2377 | }; | |
2378 | ||
2379 | static CPUWriteMemoryFunc *omap_clkm_writefn[] = { | |
2380 | omap_badwidth_write16, | |
2381 | omap_clkm_write, | |
2382 | omap_badwidth_write16, | |
2383 | }; | |
2384 | ||
2385 | static uint32_t omap_clkdsp_read(void *opaque, target_phys_addr_t addr) | |
2386 | { | |
2387 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
2388 | int offset = addr - s->clkm.dsp_base; | |
2389 | ||
2390 | switch (offset) { | |
2391 | case 0x04: /* DSP_IDLECT1 */ | |
2392 | return s->clkm.dsp_idlect1; | |
2393 | ||
2394 | case 0x08: /* DSP_IDLECT2 */ | |
2395 | return s->clkm.dsp_idlect2; | |
2396 | ||
2397 | case 0x14: /* DSP_RSTCT2 */ | |
2398 | return s->clkm.dsp_rstct2; | |
2399 | ||
2400 | case 0x18: /* DSP_SYSST */ | |
d8f699cb | 2401 | return (s->clkm.clocking_scheme << 11) | s->clkm.cold_start | |
c3d2689d AZ |
2402 | (s->env->halted << 6); /* Quite useless... */ |
2403 | } | |
2404 | ||
2405 | OMAP_BAD_REG(addr); | |
2406 | return 0; | |
2407 | } | |
2408 | ||
2409 | static inline void omap_clkdsp_idlect1_update(struct omap_mpu_state_s *s, | |
2410 | uint16_t diff, uint16_t value) | |
2411 | { | |
2412 | omap_clk clk; | |
2413 | ||
2414 | SET_CANIDLE("dspxor_ck", 1); /* IDLXORP_DSP */ | |
2415 | } | |
2416 | ||
2417 | static inline void omap_clkdsp_idlect2_update(struct omap_mpu_state_s *s, | |
2418 | uint16_t diff, uint16_t value) | |
2419 | { | |
2420 | omap_clk clk; | |
2421 | ||
2422 | SET_ONOFF("dspxor_ck", 1); /* EN_XORPCK */ | |
2423 | } | |
2424 | ||
2425 | static void omap_clkdsp_write(void *opaque, target_phys_addr_t addr, | |
2426 | uint32_t value) | |
2427 | { | |
2428 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
2429 | int offset = addr - s->clkm.dsp_base; | |
2430 | uint16_t diff; | |
2431 | ||
2432 | switch (offset) { | |
2433 | case 0x04: /* DSP_IDLECT1 */ | |
2434 | diff = s->clkm.dsp_idlect1 ^ value; | |
2435 | s->clkm.dsp_idlect1 = value & 0x01f7; | |
2436 | omap_clkdsp_idlect1_update(s, diff, value); | |
2437 | break; | |
2438 | ||
2439 | case 0x08: /* DSP_IDLECT2 */ | |
2440 | s->clkm.dsp_idlect2 = value & 0x0037; | |
2441 | diff = s->clkm.dsp_idlect1 ^ value; | |
2442 | omap_clkdsp_idlect2_update(s, diff, value); | |
2443 | break; | |
2444 | ||
2445 | case 0x14: /* DSP_RSTCT2 */ | |
2446 | s->clkm.dsp_rstct2 = value & 0x0001; | |
2447 | break; | |
2448 | ||
2449 | case 0x18: /* DSP_SYSST */ | |
2450 | s->clkm.cold_start &= value & 0x3f; | |
2451 | break; | |
2452 | ||
2453 | default: | |
2454 | OMAP_BAD_REG(addr); | |
2455 | } | |
2456 | } | |
2457 | ||
2458 | static CPUReadMemoryFunc *omap_clkdsp_readfn[] = { | |
2459 | omap_badwidth_read16, | |
2460 | omap_clkdsp_read, | |
2461 | omap_badwidth_read16, | |
2462 | }; | |
2463 | ||
2464 | static CPUWriteMemoryFunc *omap_clkdsp_writefn[] = { | |
2465 | omap_badwidth_write16, | |
2466 | omap_clkdsp_write, | |
2467 | omap_badwidth_write16, | |
2468 | }; | |
2469 | ||
2470 | static void omap_clkm_reset(struct omap_mpu_state_s *s) | |
2471 | { | |
2472 | if (s->wdt && s->wdt->reset) | |
2473 | s->clkm.cold_start = 0x6; | |
2474 | s->clkm.clocking_scheme = 0; | |
2475 | omap_clkm_ckctl_update(s, ~0, 0x3000); | |
2476 | s->clkm.arm_ckctl = 0x3000; | |
d8f699cb | 2477 | omap_clkm_idlect1_update(s, s->clkm.arm_idlect1 ^ 0x0400, 0x0400); |
c3d2689d | 2478 | s->clkm.arm_idlect1 = 0x0400; |
d8f699cb | 2479 | omap_clkm_idlect2_update(s, s->clkm.arm_idlect2 ^ 0x0100, 0x0100); |
c3d2689d AZ |
2480 | s->clkm.arm_idlect2 = 0x0100; |
2481 | s->clkm.arm_ewupct = 0x003f; | |
2482 | s->clkm.arm_rstct1 = 0x0000; | |
2483 | s->clkm.arm_rstct2 = 0x0000; | |
2484 | s->clkm.arm_ckout1 = 0x0015; | |
2485 | s->clkm.dpll1_mode = 0x2002; | |
2486 | omap_clkdsp_idlect1_update(s, s->clkm.dsp_idlect1 ^ 0x0040, 0x0040); | |
2487 | s->clkm.dsp_idlect1 = 0x0040; | |
2488 | omap_clkdsp_idlect2_update(s, ~0, 0x0000); | |
2489 | s->clkm.dsp_idlect2 = 0x0000; | |
2490 | s->clkm.dsp_rstct2 = 0x0000; | |
2491 | } | |
2492 | ||
2493 | static void omap_clkm_init(target_phys_addr_t mpu_base, | |
2494 | target_phys_addr_t dsp_base, struct omap_mpu_state_s *s) | |
2495 | { | |
2496 | int iomemtype[2] = { | |
2497 | cpu_register_io_memory(0, omap_clkm_readfn, omap_clkm_writefn, s), | |
2498 | cpu_register_io_memory(0, omap_clkdsp_readfn, omap_clkdsp_writefn, s), | |
2499 | }; | |
2500 | ||
2501 | s->clkm.mpu_base = mpu_base; | |
2502 | s->clkm.dsp_base = dsp_base; | |
d8f699cb AZ |
2503 | s->clkm.arm_idlect1 = 0x03ff; |
2504 | s->clkm.arm_idlect2 = 0x0100; | |
2505 | s->clkm.dsp_idlect1 = 0x0002; | |
c3d2689d | 2506 | omap_clkm_reset(s); |
d8f699cb | 2507 | s->clkm.cold_start = 0x3a; |
c3d2689d AZ |
2508 | |
2509 | cpu_register_physical_memory(s->clkm.mpu_base, 0x100, iomemtype[0]); | |
2510 | cpu_register_physical_memory(s->clkm.dsp_base, 0x1000, iomemtype[1]); | |
2511 | } | |
2512 | ||
fe71e81a AZ |
2513 | /* MPU I/O */ |
2514 | struct omap_mpuio_s { | |
2515 | target_phys_addr_t base; | |
2516 | qemu_irq irq; | |
2517 | qemu_irq kbd_irq; | |
2518 | qemu_irq *in; | |
2519 | qemu_irq handler[16]; | |
2520 | qemu_irq wakeup; | |
2521 | ||
2522 | uint16_t inputs; | |
2523 | uint16_t outputs; | |
2524 | uint16_t dir; | |
2525 | uint16_t edge; | |
2526 | uint16_t mask; | |
2527 | uint16_t ints; | |
2528 | ||
2529 | uint16_t debounce; | |
2530 | uint16_t latch; | |
2531 | uint8_t event; | |
2532 | ||
2533 | uint8_t buttons[5]; | |
2534 | uint8_t row_latch; | |
2535 | uint8_t cols; | |
2536 | int kbd_mask; | |
2537 | int clk; | |
2538 | }; | |
2539 | ||
2540 | static void omap_mpuio_set(void *opaque, int line, int level) | |
2541 | { | |
2542 | struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque; | |
2543 | uint16_t prev = s->inputs; | |
2544 | ||
2545 | if (level) | |
2546 | s->inputs |= 1 << line; | |
2547 | else | |
2548 | s->inputs &= ~(1 << line); | |
2549 | ||
2550 | if (((1 << line) & s->dir & ~s->mask) && s->clk) { | |
2551 | if ((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) { | |
2552 | s->ints |= 1 << line; | |
2553 | qemu_irq_raise(s->irq); | |
2554 | /* TODO: wakeup */ | |
2555 | } | |
2556 | if ((s->event & (1 << 0)) && /* SET_GPIO_EVENT_MODE */ | |
2557 | (s->event >> 1) == line) /* PIN_SELECT */ | |
2558 | s->latch = s->inputs; | |
2559 | } | |
2560 | } | |
2561 | ||
2562 | static void omap_mpuio_kbd_update(struct omap_mpuio_s *s) | |
2563 | { | |
2564 | int i; | |
2565 | uint8_t *row, rows = 0, cols = ~s->cols; | |
2566 | ||
38a34e1d | 2567 | for (row = s->buttons + 4, i = 1 << 4; i; row --, i >>= 1) |
fe71e81a | 2568 | if (*row & cols) |
38a34e1d | 2569 | rows |= i; |
fe71e81a | 2570 | |
cf6d9118 AZ |
2571 | qemu_set_irq(s->kbd_irq, rows && !s->kbd_mask && s->clk); |
2572 | s->row_latch = ~rows; | |
fe71e81a AZ |
2573 | } |
2574 | ||
2575 | static uint32_t omap_mpuio_read(void *opaque, target_phys_addr_t addr) | |
2576 | { | |
2577 | struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque; | |
cf965d24 | 2578 | int offset = addr & OMAP_MPUI_REG_MASK; |
fe71e81a AZ |
2579 | uint16_t ret; |
2580 | ||
2581 | switch (offset) { | |
2582 | case 0x00: /* INPUT_LATCH */ | |
2583 | return s->inputs; | |
2584 | ||
2585 | case 0x04: /* OUTPUT_REG */ | |
2586 | return s->outputs; | |
2587 | ||
2588 | case 0x08: /* IO_CNTL */ | |
2589 | return s->dir; | |
2590 | ||
2591 | case 0x10: /* KBR_LATCH */ | |
2592 | return s->row_latch; | |
2593 | ||
2594 | case 0x14: /* KBC_REG */ | |
2595 | return s->cols; | |
2596 | ||
2597 | case 0x18: /* GPIO_EVENT_MODE_REG */ | |
2598 | return s->event; | |
2599 | ||
2600 | case 0x1c: /* GPIO_INT_EDGE_REG */ | |
2601 | return s->edge; | |
2602 | ||
2603 | case 0x20: /* KBD_INT */ | |
cf6d9118 | 2604 | return (~s->row_latch & 0x1f) && !s->kbd_mask; |
fe71e81a AZ |
2605 | |
2606 | case 0x24: /* GPIO_INT */ | |
2607 | ret = s->ints; | |
8e129e07 AZ |
2608 | s->ints &= s->mask; |
2609 | if (ret) | |
2610 | qemu_irq_lower(s->irq); | |
fe71e81a AZ |
2611 | return ret; |
2612 | ||
2613 | case 0x28: /* KBD_MASKIT */ | |
2614 | return s->kbd_mask; | |
2615 | ||
2616 | case 0x2c: /* GPIO_MASKIT */ | |
2617 | return s->mask; | |
2618 | ||
2619 | case 0x30: /* GPIO_DEBOUNCING_REG */ | |
2620 | return s->debounce; | |
2621 | ||
2622 | case 0x34: /* GPIO_LATCH_REG */ | |
2623 | return s->latch; | |
2624 | } | |
2625 | ||
2626 | OMAP_BAD_REG(addr); | |
2627 | return 0; | |
2628 | } | |
2629 | ||
2630 | static void omap_mpuio_write(void *opaque, target_phys_addr_t addr, | |
2631 | uint32_t value) | |
2632 | { | |
2633 | struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque; | |
cf965d24 | 2634 | int offset = addr & OMAP_MPUI_REG_MASK; |
fe71e81a AZ |
2635 | uint16_t diff; |
2636 | int ln; | |
2637 | ||
2638 | switch (offset) { | |
2639 | case 0x04: /* OUTPUT_REG */ | |
d8f699cb | 2640 | diff = (s->outputs ^ value) & ~s->dir; |
fe71e81a | 2641 | s->outputs = value; |
fe71e81a AZ |
2642 | while ((ln = ffs(diff))) { |
2643 | ln --; | |
2644 | if (s->handler[ln]) | |
2645 | qemu_set_irq(s->handler[ln], (value >> ln) & 1); | |
2646 | diff &= ~(1 << ln); | |
2647 | } | |
2648 | break; | |
2649 | ||
2650 | case 0x08: /* IO_CNTL */ | |
2651 | diff = s->outputs & (s->dir ^ value); | |
2652 | s->dir = value; | |
2653 | ||
2654 | value = s->outputs & ~s->dir; | |
2655 | while ((ln = ffs(diff))) { | |
2656 | ln --; | |
2657 | if (s->handler[ln]) | |
2658 | qemu_set_irq(s->handler[ln], (value >> ln) & 1); | |
2659 | diff &= ~(1 << ln); | |
2660 | } | |
2661 | break; | |
2662 | ||
2663 | case 0x14: /* KBC_REG */ | |
2664 | s->cols = value; | |
2665 | omap_mpuio_kbd_update(s); | |
2666 | break; | |
2667 | ||
2668 | case 0x18: /* GPIO_EVENT_MODE_REG */ | |
2669 | s->event = value & 0x1f; | |
2670 | break; | |
2671 | ||
2672 | case 0x1c: /* GPIO_INT_EDGE_REG */ | |
2673 | s->edge = value; | |
2674 | break; | |
2675 | ||
2676 | case 0x28: /* KBD_MASKIT */ | |
2677 | s->kbd_mask = value & 1; | |
2678 | omap_mpuio_kbd_update(s); | |
2679 | break; | |
2680 | ||
2681 | case 0x2c: /* GPIO_MASKIT */ | |
2682 | s->mask = value; | |
2683 | break; | |
2684 | ||
2685 | case 0x30: /* GPIO_DEBOUNCING_REG */ | |
2686 | s->debounce = value & 0x1ff; | |
2687 | break; | |
2688 | ||
2689 | case 0x00: /* INPUT_LATCH */ | |
2690 | case 0x10: /* KBR_LATCH */ | |
2691 | case 0x20: /* KBD_INT */ | |
2692 | case 0x24: /* GPIO_INT */ | |
2693 | case 0x34: /* GPIO_LATCH_REG */ | |
2694 | OMAP_RO_REG(addr); | |
2695 | return; | |
2696 | ||
2697 | default: | |
2698 | OMAP_BAD_REG(addr); | |
2699 | return; | |
2700 | } | |
2701 | } | |
2702 | ||
2703 | static CPUReadMemoryFunc *omap_mpuio_readfn[] = { | |
2704 | omap_badwidth_read16, | |
2705 | omap_mpuio_read, | |
2706 | omap_badwidth_read16, | |
2707 | }; | |
2708 | ||
2709 | static CPUWriteMemoryFunc *omap_mpuio_writefn[] = { | |
2710 | omap_badwidth_write16, | |
2711 | omap_mpuio_write, | |
2712 | omap_badwidth_write16, | |
2713 | }; | |
2714 | ||
9596ebb7 | 2715 | static void omap_mpuio_reset(struct omap_mpuio_s *s) |
fe71e81a AZ |
2716 | { |
2717 | s->inputs = 0; | |
2718 | s->outputs = 0; | |
2719 | s->dir = ~0; | |
2720 | s->event = 0; | |
2721 | s->edge = 0; | |
2722 | s->kbd_mask = 0; | |
2723 | s->mask = 0; | |
2724 | s->debounce = 0; | |
2725 | s->latch = 0; | |
2726 | s->ints = 0; | |
2727 | s->row_latch = 0x1f; | |
38a34e1d | 2728 | s->clk = 1; |
fe71e81a AZ |
2729 | } |
2730 | ||
2731 | static void omap_mpuio_onoff(void *opaque, int line, int on) | |
2732 | { | |
2733 | struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque; | |
2734 | ||
2735 | s->clk = on; | |
2736 | if (on) | |
2737 | omap_mpuio_kbd_update(s); | |
2738 | } | |
2739 | ||
2740 | struct omap_mpuio_s *omap_mpuio_init(target_phys_addr_t base, | |
2741 | qemu_irq kbd_int, qemu_irq gpio_int, qemu_irq wakeup, | |
2742 | omap_clk clk) | |
2743 | { | |
2744 | int iomemtype; | |
2745 | struct omap_mpuio_s *s = (struct omap_mpuio_s *) | |
2746 | qemu_mallocz(sizeof(struct omap_mpuio_s)); | |
2747 | ||
2748 | s->base = base; | |
2749 | s->irq = gpio_int; | |
2750 | s->kbd_irq = kbd_int; | |
2751 | s->wakeup = wakeup; | |
2752 | s->in = qemu_allocate_irqs(omap_mpuio_set, s, 16); | |
2753 | omap_mpuio_reset(s); | |
2754 | ||
2755 | iomemtype = cpu_register_io_memory(0, omap_mpuio_readfn, | |
2756 | omap_mpuio_writefn, s); | |
2757 | cpu_register_physical_memory(s->base, 0x800, iomemtype); | |
2758 | ||
2759 | omap_clk_adduser(clk, qemu_allocate_irqs(omap_mpuio_onoff, s, 1)[0]); | |
2760 | ||
2761 | return s; | |
2762 | } | |
2763 | ||
2764 | qemu_irq *omap_mpuio_in_get(struct omap_mpuio_s *s) | |
2765 | { | |
2766 | return s->in; | |
2767 | } | |
2768 | ||
2769 | void omap_mpuio_out_set(struct omap_mpuio_s *s, int line, qemu_irq handler) | |
2770 | { | |
2771 | if (line >= 16 || line < 0) | |
2772 | cpu_abort(cpu_single_env, "%s: No GPIO line %i\n", __FUNCTION__, line); | |
2773 | s->handler[line] = handler; | |
2774 | } | |
2775 | ||
2776 | void omap_mpuio_key(struct omap_mpuio_s *s, int row, int col, int down) | |
2777 | { | |
2778 | if (row >= 5 || row < 0) | |
2779 | cpu_abort(cpu_single_env, "%s: No key %i-%i\n", | |
2780 | __FUNCTION__, col, row); | |
2781 | ||
2782 | if (down) | |
38a34e1d | 2783 | s->buttons[row] |= 1 << col; |
fe71e81a | 2784 | else |
38a34e1d | 2785 | s->buttons[row] &= ~(1 << col); |
fe71e81a AZ |
2786 | |
2787 | omap_mpuio_kbd_update(s); | |
2788 | } | |
2789 | ||
64330148 AZ |
2790 | /* General-Purpose I/O */ |
2791 | struct omap_gpio_s { | |
2792 | target_phys_addr_t base; | |
2793 | qemu_irq irq; | |
2794 | qemu_irq *in; | |
2795 | qemu_irq handler[16]; | |
2796 | ||
2797 | uint16_t inputs; | |
2798 | uint16_t outputs; | |
2799 | uint16_t dir; | |
2800 | uint16_t edge; | |
2801 | uint16_t mask; | |
2802 | uint16_t ints; | |
d8f699cb | 2803 | uint16_t pins; |
64330148 AZ |
2804 | }; |
2805 | ||
2806 | static void omap_gpio_set(void *opaque, int line, int level) | |
2807 | { | |
2808 | struct omap_gpio_s *s = (struct omap_gpio_s *) opaque; | |
2809 | uint16_t prev = s->inputs; | |
2810 | ||
2811 | if (level) | |
2812 | s->inputs |= 1 << line; | |
2813 | else | |
2814 | s->inputs &= ~(1 << line); | |
2815 | ||
2816 | if (((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) & | |
2817 | (1 << line) & s->dir & ~s->mask) { | |
2818 | s->ints |= 1 << line; | |
2819 | qemu_irq_raise(s->irq); | |
2820 | } | |
2821 | } | |
2822 | ||
2823 | static uint32_t omap_gpio_read(void *opaque, target_phys_addr_t addr) | |
2824 | { | |
2825 | struct omap_gpio_s *s = (struct omap_gpio_s *) opaque; | |
cf965d24 | 2826 | int offset = addr & OMAP_MPUI_REG_MASK; |
64330148 AZ |
2827 | |
2828 | switch (offset) { | |
2829 | case 0x00: /* DATA_INPUT */ | |
d8f699cb | 2830 | return s->inputs & s->pins; |
64330148 AZ |
2831 | |
2832 | case 0x04: /* DATA_OUTPUT */ | |
2833 | return s->outputs; | |
2834 | ||
2835 | case 0x08: /* DIRECTION_CONTROL */ | |
2836 | return s->dir; | |
2837 | ||
2838 | case 0x0c: /* INTERRUPT_CONTROL */ | |
2839 | return s->edge; | |
2840 | ||
2841 | case 0x10: /* INTERRUPT_MASK */ | |
2842 | return s->mask; | |
2843 | ||
2844 | case 0x14: /* INTERRUPT_STATUS */ | |
2845 | return s->ints; | |
d8f699cb AZ |
2846 | |
2847 | case 0x18: /* PIN_CONTROL (not in OMAP310) */ | |
2848 | OMAP_BAD_REG(addr); | |
2849 | return s->pins; | |
64330148 AZ |
2850 | } |
2851 | ||
2852 | OMAP_BAD_REG(addr); | |
2853 | return 0; | |
2854 | } | |
2855 | ||
2856 | static void omap_gpio_write(void *opaque, target_phys_addr_t addr, | |
2857 | uint32_t value) | |
2858 | { | |
2859 | struct omap_gpio_s *s = (struct omap_gpio_s *) opaque; | |
cf965d24 | 2860 | int offset = addr & OMAP_MPUI_REG_MASK; |
64330148 AZ |
2861 | uint16_t diff; |
2862 | int ln; | |
2863 | ||
2864 | switch (offset) { | |
2865 | case 0x00: /* DATA_INPUT */ | |
2866 | OMAP_RO_REG(addr); | |
2867 | return; | |
2868 | ||
2869 | case 0x04: /* DATA_OUTPUT */ | |
66450b15 | 2870 | diff = (s->outputs ^ value) & ~s->dir; |
64330148 | 2871 | s->outputs = value; |
64330148 AZ |
2872 | while ((ln = ffs(diff))) { |
2873 | ln --; | |
2874 | if (s->handler[ln]) | |
2875 | qemu_set_irq(s->handler[ln], (value >> ln) & 1); | |
2876 | diff &= ~(1 << ln); | |
2877 | } | |
2878 | break; | |
2879 | ||
2880 | case 0x08: /* DIRECTION_CONTROL */ | |
2881 | diff = s->outputs & (s->dir ^ value); | |
2882 | s->dir = value; | |
2883 | ||
2884 | value = s->outputs & ~s->dir; | |
2885 | while ((ln = ffs(diff))) { | |
2886 | ln --; | |
2887 | if (s->handler[ln]) | |
2888 | qemu_set_irq(s->handler[ln], (value >> ln) & 1); | |
2889 | diff &= ~(1 << ln); | |
2890 | } | |
2891 | break; | |
2892 | ||
2893 | case 0x0c: /* INTERRUPT_CONTROL */ | |
2894 | s->edge = value; | |
2895 | break; | |
2896 | ||
2897 | case 0x10: /* INTERRUPT_MASK */ | |
2898 | s->mask = value; | |
2899 | break; | |
2900 | ||
2901 | case 0x14: /* INTERRUPT_STATUS */ | |
2902 | s->ints &= ~value; | |
2903 | if (!s->ints) | |
2904 | qemu_irq_lower(s->irq); | |
2905 | break; | |
2906 | ||
d8f699cb AZ |
2907 | case 0x18: /* PIN_CONTROL (not in OMAP310 TRM) */ |
2908 | OMAP_BAD_REG(addr); | |
2909 | s->pins = value; | |
2910 | break; | |
2911 | ||
64330148 AZ |
2912 | default: |
2913 | OMAP_BAD_REG(addr); | |
2914 | return; | |
2915 | } | |
2916 | } | |
2917 | ||
3efda49d | 2918 | /* *Some* sources say the memory region is 32-bit. */ |
64330148 | 2919 | static CPUReadMemoryFunc *omap_gpio_readfn[] = { |
3efda49d | 2920 | omap_badwidth_read16, |
64330148 | 2921 | omap_gpio_read, |
3efda49d | 2922 | omap_badwidth_read16, |
64330148 AZ |
2923 | }; |
2924 | ||
2925 | static CPUWriteMemoryFunc *omap_gpio_writefn[] = { | |
3efda49d | 2926 | omap_badwidth_write16, |
64330148 | 2927 | omap_gpio_write, |
3efda49d | 2928 | omap_badwidth_write16, |
64330148 AZ |
2929 | }; |
2930 | ||
9596ebb7 | 2931 | static void omap_gpio_reset(struct omap_gpio_s *s) |
64330148 AZ |
2932 | { |
2933 | s->inputs = 0; | |
2934 | s->outputs = ~0; | |
2935 | s->dir = ~0; | |
2936 | s->edge = ~0; | |
2937 | s->mask = ~0; | |
2938 | s->ints = 0; | |
d8f699cb | 2939 | s->pins = ~0; |
64330148 AZ |
2940 | } |
2941 | ||
2942 | struct omap_gpio_s *omap_gpio_init(target_phys_addr_t base, | |
2943 | qemu_irq irq, omap_clk clk) | |
2944 | { | |
2945 | int iomemtype; | |
2946 | struct omap_gpio_s *s = (struct omap_gpio_s *) | |
2947 | qemu_mallocz(sizeof(struct omap_gpio_s)); | |
2948 | ||
2949 | s->base = base; | |
2950 | s->irq = irq; | |
2951 | s->in = qemu_allocate_irqs(omap_gpio_set, s, 16); | |
2952 | omap_gpio_reset(s); | |
2953 | ||
2954 | iomemtype = cpu_register_io_memory(0, omap_gpio_readfn, | |
2955 | omap_gpio_writefn, s); | |
2956 | cpu_register_physical_memory(s->base, 0x1000, iomemtype); | |
2957 | ||
2958 | return s; | |
2959 | } | |
2960 | ||
2961 | qemu_irq *omap_gpio_in_get(struct omap_gpio_s *s) | |
2962 | { | |
2963 | return s->in; | |
2964 | } | |
2965 | ||
2966 | void omap_gpio_out_set(struct omap_gpio_s *s, int line, qemu_irq handler) | |
2967 | { | |
2968 | if (line >= 16 || line < 0) | |
2969 | cpu_abort(cpu_single_env, "%s: No GPIO line %i\n", __FUNCTION__, line); | |
2970 | s->handler[line] = handler; | |
2971 | } | |
2972 | ||
d951f6ff AZ |
2973 | /* MicroWire Interface */ |
2974 | struct omap_uwire_s { | |
2975 | target_phys_addr_t base; | |
2976 | qemu_irq txirq; | |
2977 | qemu_irq rxirq; | |
2978 | qemu_irq txdrq; | |
2979 | ||
2980 | uint16_t txbuf; | |
2981 | uint16_t rxbuf; | |
2982 | uint16_t control; | |
2983 | uint16_t setup[5]; | |
2984 | ||
2985 | struct uwire_slave_s *chip[4]; | |
2986 | }; | |
2987 | ||
2988 | static void omap_uwire_transfer_start(struct omap_uwire_s *s) | |
2989 | { | |
2990 | int chipselect = (s->control >> 10) & 3; /* INDEX */ | |
2991 | struct uwire_slave_s *slave = s->chip[chipselect]; | |
2992 | ||
2993 | if ((s->control >> 5) & 0x1f) { /* NB_BITS_WR */ | |
2994 | if (s->control & (1 << 12)) /* CS_CMD */ | |
2995 | if (slave && slave->send) | |
2996 | slave->send(slave->opaque, | |
2997 | s->txbuf >> (16 - ((s->control >> 5) & 0x1f))); | |
2998 | s->control &= ~(1 << 14); /* CSRB */ | |
2999 | /* TODO: depending on s->setup[4] bits [1:0] assert an IRQ or | |
3000 | * a DRQ. When is the level IRQ supposed to be reset? */ | |
3001 | } | |
3002 | ||
3003 | if ((s->control >> 0) & 0x1f) { /* NB_BITS_RD */ | |
3004 | if (s->control & (1 << 12)) /* CS_CMD */ | |
3005 | if (slave && slave->receive) | |
3006 | s->rxbuf = slave->receive(slave->opaque); | |
3007 | s->control |= 1 << 15; /* RDRB */ | |
3008 | /* TODO: depending on s->setup[4] bits [1:0] assert an IRQ or | |
3009 | * a DRQ. When is the level IRQ supposed to be reset? */ | |
3010 | } | |
3011 | } | |
3012 | ||
3013 | static uint32_t omap_uwire_read(void *opaque, target_phys_addr_t addr) | |
3014 | { | |
3015 | struct omap_uwire_s *s = (struct omap_uwire_s *) opaque; | |
cf965d24 | 3016 | int offset = addr & OMAP_MPUI_REG_MASK; |
d951f6ff AZ |
3017 | |
3018 | switch (offset) { | |
3019 | case 0x00: /* RDR */ | |
3020 | s->control &= ~(1 << 15); /* RDRB */ | |
3021 | return s->rxbuf; | |
3022 | ||
3023 | case 0x04: /* CSR */ | |
3024 | return s->control; | |
3025 | ||
3026 | case 0x08: /* SR1 */ | |
3027 | return s->setup[0]; | |
3028 | case 0x0c: /* SR2 */ | |
3029 | return s->setup[1]; | |
3030 | case 0x10: /* SR3 */ | |
3031 | return s->setup[2]; | |
3032 | case 0x14: /* SR4 */ | |
3033 | return s->setup[3]; | |
3034 | case 0x18: /* SR5 */ | |
3035 | return s->setup[4]; | |
3036 | } | |
3037 | ||
3038 | OMAP_BAD_REG(addr); | |
3039 | return 0; | |
3040 | } | |
3041 | ||
3042 | static void omap_uwire_write(void *opaque, target_phys_addr_t addr, | |
3043 | uint32_t value) | |
3044 | { | |
3045 | struct omap_uwire_s *s = (struct omap_uwire_s *) opaque; | |
cf965d24 | 3046 | int offset = addr & OMAP_MPUI_REG_MASK; |
d951f6ff AZ |
3047 | |
3048 | switch (offset) { | |
3049 | case 0x00: /* TDR */ | |
3050 | s->txbuf = value; /* TD */ | |
d951f6ff AZ |
3051 | if ((s->setup[4] & (1 << 2)) && /* AUTO_TX_EN */ |
3052 | ((s->setup[4] & (1 << 3)) || /* CS_TOGGLE_TX_EN */ | |
cf965d24 AZ |
3053 | (s->control & (1 << 12)))) { /* CS_CMD */ |
3054 | s->control |= 1 << 14; /* CSRB */ | |
d951f6ff | 3055 | omap_uwire_transfer_start(s); |
cf965d24 | 3056 | } |
d951f6ff AZ |
3057 | break; |
3058 | ||
3059 | case 0x04: /* CSR */ | |
3060 | s->control = value & 0x1fff; | |
3061 | if (value & (1 << 13)) /* START */ | |
3062 | omap_uwire_transfer_start(s); | |
3063 | break; | |
3064 | ||
3065 | case 0x08: /* SR1 */ | |
3066 | s->setup[0] = value & 0x003f; | |
3067 | break; | |
3068 | ||
3069 | case 0x0c: /* SR2 */ | |
3070 | s->setup[1] = value & 0x0fc0; | |
3071 | break; | |
3072 | ||
3073 | case 0x10: /* SR3 */ | |
3074 | s->setup[2] = value & 0x0003; | |
3075 | break; | |
3076 | ||
3077 | case 0x14: /* SR4 */ | |
3078 | s->setup[3] = value & 0x0001; | |
3079 | break; | |
3080 | ||
3081 | case 0x18: /* SR5 */ | |
3082 | s->setup[4] = value & 0x000f; | |
3083 | break; | |
3084 | ||
3085 | default: | |
3086 | OMAP_BAD_REG(addr); | |
3087 | return; | |
3088 | } | |
3089 | } | |
3090 | ||
3091 | static CPUReadMemoryFunc *omap_uwire_readfn[] = { | |
3092 | omap_badwidth_read16, | |
3093 | omap_uwire_read, | |
3094 | omap_badwidth_read16, | |
3095 | }; | |
3096 | ||
3097 | static CPUWriteMemoryFunc *omap_uwire_writefn[] = { | |
3098 | omap_badwidth_write16, | |
3099 | omap_uwire_write, | |
3100 | omap_badwidth_write16, | |
3101 | }; | |
3102 | ||
9596ebb7 | 3103 | static void omap_uwire_reset(struct omap_uwire_s *s) |
d951f6ff | 3104 | { |
66450b15 | 3105 | s->control = 0; |
d951f6ff AZ |
3106 | s->setup[0] = 0; |
3107 | s->setup[1] = 0; | |
3108 | s->setup[2] = 0; | |
3109 | s->setup[3] = 0; | |
3110 | s->setup[4] = 0; | |
3111 | } | |
3112 | ||
3113 | struct omap_uwire_s *omap_uwire_init(target_phys_addr_t base, | |
3114 | qemu_irq *irq, qemu_irq dma, omap_clk clk) | |
3115 | { | |
3116 | int iomemtype; | |
3117 | struct omap_uwire_s *s = (struct omap_uwire_s *) | |
3118 | qemu_mallocz(sizeof(struct omap_uwire_s)); | |
3119 | ||
3120 | s->base = base; | |
3121 | s->txirq = irq[0]; | |
3122 | s->rxirq = irq[1]; | |
3123 | s->txdrq = dma; | |
3124 | omap_uwire_reset(s); | |
3125 | ||
3126 | iomemtype = cpu_register_io_memory(0, omap_uwire_readfn, | |
3127 | omap_uwire_writefn, s); | |
3128 | cpu_register_physical_memory(s->base, 0x800, iomemtype); | |
3129 | ||
3130 | return s; | |
3131 | } | |
3132 | ||
3133 | void omap_uwire_attach(struct omap_uwire_s *s, | |
3134 | struct uwire_slave_s *slave, int chipselect) | |
3135 | { | |
827df9f3 AZ |
3136 | if (chipselect < 0 || chipselect > 3) { |
3137 | fprintf(stderr, "%s: Bad chipselect %i\n", __FUNCTION__, chipselect); | |
3138 | exit(-1); | |
3139 | } | |
d951f6ff AZ |
3140 | |
3141 | s->chip[chipselect] = slave; | |
3142 | } | |
3143 | ||
66450b15 | 3144 | /* Pseudonoise Pulse-Width Light Modulator */ |
9596ebb7 | 3145 | static void omap_pwl_update(struct omap_mpu_state_s *s) |
66450b15 AZ |
3146 | { |
3147 | int output = (s->pwl.clk && s->pwl.enable) ? s->pwl.level : 0; | |
3148 | ||
3149 | if (output != s->pwl.output) { | |
3150 | s->pwl.output = output; | |
3151 | printf("%s: Backlight now at %i/256\n", __FUNCTION__, output); | |
3152 | } | |
3153 | } | |
3154 | ||
3155 | static uint32_t omap_pwl_read(void *opaque, target_phys_addr_t addr) | |
3156 | { | |
3157 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
cf965d24 | 3158 | int offset = addr & OMAP_MPUI_REG_MASK; |
66450b15 AZ |
3159 | |
3160 | switch (offset) { | |
3161 | case 0x00: /* PWL_LEVEL */ | |
3162 | return s->pwl.level; | |
3163 | case 0x04: /* PWL_CTRL */ | |
3164 | return s->pwl.enable; | |
3165 | } | |
3166 | OMAP_BAD_REG(addr); | |
3167 | return 0; | |
3168 | } | |
3169 | ||
3170 | static void omap_pwl_write(void *opaque, target_phys_addr_t addr, | |
3171 | uint32_t value) | |
3172 | { | |
3173 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
cf965d24 | 3174 | int offset = addr & OMAP_MPUI_REG_MASK; |
66450b15 AZ |
3175 | |
3176 | switch (offset) { | |
3177 | case 0x00: /* PWL_LEVEL */ | |
3178 | s->pwl.level = value; | |
3179 | omap_pwl_update(s); | |
3180 | break; | |
3181 | case 0x04: /* PWL_CTRL */ | |
3182 | s->pwl.enable = value & 1; | |
3183 | omap_pwl_update(s); | |
3184 | break; | |
3185 | default: | |
3186 | OMAP_BAD_REG(addr); | |
3187 | return; | |
3188 | } | |
3189 | } | |
3190 | ||
3191 | static CPUReadMemoryFunc *omap_pwl_readfn[] = { | |
02645926 | 3192 | omap_pwl_read, |
66450b15 AZ |
3193 | omap_badwidth_read8, |
3194 | omap_badwidth_read8, | |
66450b15 AZ |
3195 | }; |
3196 | ||
3197 | static CPUWriteMemoryFunc *omap_pwl_writefn[] = { | |
02645926 | 3198 | omap_pwl_write, |
66450b15 AZ |
3199 | omap_badwidth_write8, |
3200 | omap_badwidth_write8, | |
66450b15 AZ |
3201 | }; |
3202 | ||
9596ebb7 | 3203 | static void omap_pwl_reset(struct omap_mpu_state_s *s) |
66450b15 AZ |
3204 | { |
3205 | s->pwl.output = 0; | |
3206 | s->pwl.level = 0; | |
3207 | s->pwl.enable = 0; | |
3208 | s->pwl.clk = 1; | |
3209 | omap_pwl_update(s); | |
3210 | } | |
3211 | ||
3212 | static void omap_pwl_clk_update(void *opaque, int line, int on) | |
3213 | { | |
3214 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
3215 | ||
3216 | s->pwl.clk = on; | |
3217 | omap_pwl_update(s); | |
3218 | } | |
3219 | ||
3220 | static void omap_pwl_init(target_phys_addr_t base, struct omap_mpu_state_s *s, | |
3221 | omap_clk clk) | |
3222 | { | |
3223 | int iomemtype; | |
3224 | ||
66450b15 AZ |
3225 | omap_pwl_reset(s); |
3226 | ||
3227 | iomemtype = cpu_register_io_memory(0, omap_pwl_readfn, | |
3228 | omap_pwl_writefn, s); | |
b854bc19 | 3229 | cpu_register_physical_memory(base, 0x800, iomemtype); |
66450b15 AZ |
3230 | |
3231 | omap_clk_adduser(clk, qemu_allocate_irqs(omap_pwl_clk_update, s, 1)[0]); | |
3232 | } | |
3233 | ||
f34c417b AZ |
3234 | /* Pulse-Width Tone module */ |
3235 | static uint32_t omap_pwt_read(void *opaque, target_phys_addr_t addr) | |
3236 | { | |
3237 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
cf965d24 | 3238 | int offset = addr & OMAP_MPUI_REG_MASK; |
f34c417b AZ |
3239 | |
3240 | switch (offset) { | |
3241 | case 0x00: /* FRC */ | |
3242 | return s->pwt.frc; | |
3243 | case 0x04: /* VCR */ | |
3244 | return s->pwt.vrc; | |
3245 | case 0x08: /* GCR */ | |
3246 | return s->pwt.gcr; | |
3247 | } | |
3248 | OMAP_BAD_REG(addr); | |
3249 | return 0; | |
3250 | } | |
3251 | ||
3252 | static void omap_pwt_write(void *opaque, target_phys_addr_t addr, | |
3253 | uint32_t value) | |
3254 | { | |
3255 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
cf965d24 | 3256 | int offset = addr & OMAP_MPUI_REG_MASK; |
f34c417b AZ |
3257 | |
3258 | switch (offset) { | |
3259 | case 0x00: /* FRC */ | |
3260 | s->pwt.frc = value & 0x3f; | |
3261 | break; | |
3262 | case 0x04: /* VRC */ | |
3263 | if ((value ^ s->pwt.vrc) & 1) { | |
3264 | if (value & 1) | |
3265 | printf("%s: %iHz buzz on\n", __FUNCTION__, (int) | |
3266 | /* 1.5 MHz from a 12-MHz or 13-MHz PWT_CLK */ | |
3267 | ((omap_clk_getrate(s->pwt.clk) >> 3) / | |
3268 | /* Pre-multiplexer divider */ | |
3269 | ((s->pwt.gcr & 2) ? 1 : 154) / | |
3270 | /* Octave multiplexer */ | |
3271 | (2 << (value & 3)) * | |
3272 | /* 101/107 divider */ | |
3273 | ((value & (1 << 2)) ? 101 : 107) * | |
3274 | /* 49/55 divider */ | |
3275 | ((value & (1 << 3)) ? 49 : 55) * | |
3276 | /* 50/63 divider */ | |
3277 | ((value & (1 << 4)) ? 50 : 63) * | |
3278 | /* 80/127 divider */ | |
3279 | ((value & (1 << 5)) ? 80 : 127) / | |
3280 | (107 * 55 * 63 * 127))); | |
3281 | else | |
3282 | printf("%s: silence!\n", __FUNCTION__); | |
3283 | } | |
3284 | s->pwt.vrc = value & 0x7f; | |
3285 | break; | |
3286 | case 0x08: /* GCR */ | |
3287 | s->pwt.gcr = value & 3; | |
3288 | break; | |
3289 | default: | |
3290 | OMAP_BAD_REG(addr); | |
3291 | return; | |
3292 | } | |
3293 | } | |
3294 | ||
3295 | static CPUReadMemoryFunc *omap_pwt_readfn[] = { | |
02645926 | 3296 | omap_pwt_read, |
f34c417b AZ |
3297 | omap_badwidth_read8, |
3298 | omap_badwidth_read8, | |
f34c417b AZ |
3299 | }; |
3300 | ||
3301 | static CPUWriteMemoryFunc *omap_pwt_writefn[] = { | |
02645926 | 3302 | omap_pwt_write, |
f34c417b AZ |
3303 | omap_badwidth_write8, |
3304 | omap_badwidth_write8, | |
f34c417b AZ |
3305 | }; |
3306 | ||
9596ebb7 | 3307 | static void omap_pwt_reset(struct omap_mpu_state_s *s) |
f34c417b AZ |
3308 | { |
3309 | s->pwt.frc = 0; | |
3310 | s->pwt.vrc = 0; | |
3311 | s->pwt.gcr = 0; | |
3312 | } | |
3313 | ||
3314 | static void omap_pwt_init(target_phys_addr_t base, struct omap_mpu_state_s *s, | |
3315 | omap_clk clk) | |
3316 | { | |
3317 | int iomemtype; | |
3318 | ||
f34c417b AZ |
3319 | s->pwt.clk = clk; |
3320 | omap_pwt_reset(s); | |
3321 | ||
3322 | iomemtype = cpu_register_io_memory(0, omap_pwt_readfn, | |
3323 | omap_pwt_writefn, s); | |
b854bc19 | 3324 | cpu_register_physical_memory(base, 0x800, iomemtype); |
f34c417b AZ |
3325 | } |
3326 | ||
5c1c390f AZ |
3327 | /* Real-time Clock module */ |
3328 | struct omap_rtc_s { | |
3329 | target_phys_addr_t base; | |
3330 | qemu_irq irq; | |
3331 | qemu_irq alarm; | |
3332 | QEMUTimer *clk; | |
3333 | ||
3334 | uint8_t interrupts; | |
3335 | uint8_t status; | |
3336 | int16_t comp_reg; | |
3337 | int running; | |
3338 | int pm_am; | |
3339 | int auto_comp; | |
3340 | int round; | |
5c1c390f AZ |
3341 | struct tm alarm_tm; |
3342 | time_t alarm_ti; | |
3343 | ||
3344 | struct tm current_tm; | |
3345 | time_t ti; | |
3346 | uint64_t tick; | |
3347 | }; | |
3348 | ||
3349 | static void omap_rtc_interrupts_update(struct omap_rtc_s *s) | |
3350 | { | |
106627d0 | 3351 | /* s->alarm is level-triggered */ |
5c1c390f AZ |
3352 | qemu_set_irq(s->alarm, (s->status >> 6) & 1); |
3353 | } | |
3354 | ||
3355 | static void omap_rtc_alarm_update(struct omap_rtc_s *s) | |
3356 | { | |
3357 | s->alarm_ti = mktime(&s->alarm_tm); | |
3358 | if (s->alarm_ti == -1) | |
3359 | printf("%s: conversion failed\n", __FUNCTION__); | |
3360 | } | |
3361 | ||
3362 | static inline uint8_t omap_rtc_bcd(int num) | |
3363 | { | |
3364 | return ((num / 10) << 4) | (num % 10); | |
3365 | } | |
3366 | ||
3367 | static inline int omap_rtc_bin(uint8_t num) | |
3368 | { | |
3369 | return (num & 15) + 10 * (num >> 4); | |
3370 | } | |
3371 | ||
3372 | static uint32_t omap_rtc_read(void *opaque, target_phys_addr_t addr) | |
3373 | { | |
3374 | struct omap_rtc_s *s = (struct omap_rtc_s *) opaque; | |
cf965d24 | 3375 | int offset = addr & OMAP_MPUI_REG_MASK; |
5c1c390f AZ |
3376 | uint8_t i; |
3377 | ||
3378 | switch (offset) { | |
3379 | case 0x00: /* SECONDS_REG */ | |
3380 | return omap_rtc_bcd(s->current_tm.tm_sec); | |
3381 | ||
3382 | case 0x04: /* MINUTES_REG */ | |
3383 | return omap_rtc_bcd(s->current_tm.tm_min); | |
3384 | ||
3385 | case 0x08: /* HOURS_REG */ | |
3386 | if (s->pm_am) | |
3387 | return ((s->current_tm.tm_hour > 11) << 7) | | |
3388 | omap_rtc_bcd(((s->current_tm.tm_hour - 1) % 12) + 1); | |
3389 | else | |
3390 | return omap_rtc_bcd(s->current_tm.tm_hour); | |
3391 | ||
3392 | case 0x0c: /* DAYS_REG */ | |
3393 | return omap_rtc_bcd(s->current_tm.tm_mday); | |
3394 | ||
3395 | case 0x10: /* MONTHS_REG */ | |
3396 | return omap_rtc_bcd(s->current_tm.tm_mon + 1); | |
3397 | ||
3398 | case 0x14: /* YEARS_REG */ | |
3399 | return omap_rtc_bcd(s->current_tm.tm_year % 100); | |
3400 | ||
3401 | case 0x18: /* WEEK_REG */ | |
3402 | return s->current_tm.tm_wday; | |
3403 | ||
3404 | case 0x20: /* ALARM_SECONDS_REG */ | |
3405 | return omap_rtc_bcd(s->alarm_tm.tm_sec); | |
3406 | ||
3407 | case 0x24: /* ALARM_MINUTES_REG */ | |
3408 | return omap_rtc_bcd(s->alarm_tm.tm_min); | |
3409 | ||
3410 | case 0x28: /* ALARM_HOURS_REG */ | |
3411 | if (s->pm_am) | |
3412 | return ((s->alarm_tm.tm_hour > 11) << 7) | | |
3413 | omap_rtc_bcd(((s->alarm_tm.tm_hour - 1) % 12) + 1); | |
3414 | else | |
3415 | return omap_rtc_bcd(s->alarm_tm.tm_hour); | |
3416 | ||
3417 | case 0x2c: /* ALARM_DAYS_REG */ | |
3418 | return omap_rtc_bcd(s->alarm_tm.tm_mday); | |
3419 | ||
3420 | case 0x30: /* ALARM_MONTHS_REG */ | |
3421 | return omap_rtc_bcd(s->alarm_tm.tm_mon + 1); | |
3422 | ||
3423 | case 0x34: /* ALARM_YEARS_REG */ | |
3424 | return omap_rtc_bcd(s->alarm_tm.tm_year % 100); | |
3425 | ||
3426 | case 0x40: /* RTC_CTRL_REG */ | |
3427 | return (s->pm_am << 3) | (s->auto_comp << 2) | | |
3428 | (s->round << 1) | s->running; | |
3429 | ||
3430 | case 0x44: /* RTC_STATUS_REG */ | |
3431 | i = s->status; | |
3432 | s->status &= ~0x3d; | |
3433 | return i; | |
3434 | ||
3435 | case 0x48: /* RTC_INTERRUPTS_REG */ | |
3436 | return s->interrupts; | |
3437 | ||
3438 | case 0x4c: /* RTC_COMP_LSB_REG */ | |
3439 | return ((uint16_t) s->comp_reg) & 0xff; | |
3440 | ||
3441 | case 0x50: /* RTC_COMP_MSB_REG */ | |
3442 | return ((uint16_t) s->comp_reg) >> 8; | |
3443 | } | |
3444 | ||
3445 | OMAP_BAD_REG(addr); | |
3446 | return 0; | |
3447 | } | |
3448 | ||
3449 | static void omap_rtc_write(void *opaque, target_phys_addr_t addr, | |
3450 | uint32_t value) | |
3451 | { | |
3452 | struct omap_rtc_s *s = (struct omap_rtc_s *) opaque; | |
cf965d24 | 3453 | int offset = addr & OMAP_MPUI_REG_MASK; |
5c1c390f AZ |
3454 | struct tm new_tm; |
3455 | time_t ti[2]; | |
3456 | ||
3457 | switch (offset) { | |
3458 | case 0x00: /* SECONDS_REG */ | |
3459 | #if ALMDEBUG | |
3460 | printf("RTC SEC_REG <-- %02x\n", value); | |
3461 | #endif | |
3462 | s->ti -= s->current_tm.tm_sec; | |
3463 | s->ti += omap_rtc_bin(value); | |
3464 | return; | |
3465 | ||
3466 | case 0x04: /* MINUTES_REG */ | |
3467 | #if ALMDEBUG | |
3468 | printf("RTC MIN_REG <-- %02x\n", value); | |
3469 | #endif | |
3470 | s->ti -= s->current_tm.tm_min * 60; | |
3471 | s->ti += omap_rtc_bin(value) * 60; | |
3472 | return; | |
3473 | ||
3474 | case 0x08: /* HOURS_REG */ | |
3475 | #if ALMDEBUG | |
3476 | printf("RTC HRS_REG <-- %02x\n", value); | |
3477 | #endif | |
3478 | s->ti -= s->current_tm.tm_hour * 3600; | |
3479 | if (s->pm_am) { | |
3480 | s->ti += (omap_rtc_bin(value & 0x3f) & 12) * 3600; | |
3481 | s->ti += ((value >> 7) & 1) * 43200; | |
3482 | } else | |
3483 | s->ti += omap_rtc_bin(value & 0x3f) * 3600; | |
3484 | return; | |
3485 | ||
3486 | case 0x0c: /* DAYS_REG */ | |
3487 | #if ALMDEBUG | |
3488 | printf("RTC DAY_REG <-- %02x\n", value); | |
3489 | #endif | |
3490 | s->ti -= s->current_tm.tm_mday * 86400; | |
3491 | s->ti += omap_rtc_bin(value) * 86400; | |
3492 | return; | |
3493 | ||
3494 | case 0x10: /* MONTHS_REG */ | |
3495 | #if ALMDEBUG | |
3496 | printf("RTC MTH_REG <-- %02x\n", value); | |
3497 | #endif | |
3498 | memcpy(&new_tm, &s->current_tm, sizeof(new_tm)); | |
3499 | new_tm.tm_mon = omap_rtc_bin(value); | |
3500 | ti[0] = mktime(&s->current_tm); | |
3501 | ti[1] = mktime(&new_tm); | |
3502 | ||
3503 | if (ti[0] != -1 && ti[1] != -1) { | |
3504 | s->ti -= ti[0]; | |
3505 | s->ti += ti[1]; | |
3506 | } else { | |
3507 | /* A less accurate version */ | |
3508 | s->ti -= s->current_tm.tm_mon * 2592000; | |
3509 | s->ti += omap_rtc_bin(value) * 2592000; | |
3510 | } | |
3511 | return; | |
3512 | ||
3513 | case 0x14: /* YEARS_REG */ | |
3514 | #if ALMDEBUG | |
3515 | printf("RTC YRS_REG <-- %02x\n", value); | |
3516 | #endif | |
3517 | memcpy(&new_tm, &s->current_tm, sizeof(new_tm)); | |
3518 | new_tm.tm_year += omap_rtc_bin(value) - (new_tm.tm_year % 100); | |
3519 | ti[0] = mktime(&s->current_tm); | |
3520 | ti[1] = mktime(&new_tm); | |
3521 | ||
3522 | if (ti[0] != -1 && ti[1] != -1) { | |
3523 | s->ti -= ti[0]; | |
3524 | s->ti += ti[1]; | |
3525 | } else { | |
3526 | /* A less accurate version */ | |
3527 | s->ti -= (s->current_tm.tm_year % 100) * 31536000; | |
3528 | s->ti += omap_rtc_bin(value) * 31536000; | |
3529 | } | |
3530 | return; | |
3531 | ||
3532 | case 0x18: /* WEEK_REG */ | |
3533 | return; /* Ignored */ | |
3534 | ||
3535 | case 0x20: /* ALARM_SECONDS_REG */ | |
3536 | #if ALMDEBUG | |
3537 | printf("ALM SEC_REG <-- %02x\n", value); | |
3538 | #endif | |
3539 | s->alarm_tm.tm_sec = omap_rtc_bin(value); | |
3540 | omap_rtc_alarm_update(s); | |
3541 | return; | |
3542 | ||
3543 | case 0x24: /* ALARM_MINUTES_REG */ | |
3544 | #if ALMDEBUG | |
3545 | printf("ALM MIN_REG <-- %02x\n", value); | |
3546 | #endif | |
3547 | s->alarm_tm.tm_min = omap_rtc_bin(value); | |
3548 | omap_rtc_alarm_update(s); | |
3549 | return; | |
3550 | ||
3551 | case 0x28: /* ALARM_HOURS_REG */ | |
3552 | #if ALMDEBUG | |
3553 | printf("ALM HRS_REG <-- %02x\n", value); | |
3554 | #endif | |
3555 | if (s->pm_am) | |
3556 | s->alarm_tm.tm_hour = | |
3557 | ((omap_rtc_bin(value & 0x3f)) % 12) + | |
3558 | ((value >> 7) & 1) * 12; | |
3559 | else | |
3560 | s->alarm_tm.tm_hour = omap_rtc_bin(value); | |
3561 | omap_rtc_alarm_update(s); | |
3562 | return; | |
3563 | ||
3564 | case 0x2c: /* ALARM_DAYS_REG */ | |
3565 | #if ALMDEBUG | |
3566 | printf("ALM DAY_REG <-- %02x\n", value); | |
3567 | #endif | |
3568 | s->alarm_tm.tm_mday = omap_rtc_bin(value); | |
3569 | omap_rtc_alarm_update(s); | |
3570 | return; | |
3571 | ||
3572 | case 0x30: /* ALARM_MONTHS_REG */ | |
3573 | #if ALMDEBUG | |
3574 | printf("ALM MON_REG <-- %02x\n", value); | |
3575 | #endif | |
3576 | s->alarm_tm.tm_mon = omap_rtc_bin(value); | |
3577 | omap_rtc_alarm_update(s); | |
3578 | return; | |
3579 | ||
3580 | case 0x34: /* ALARM_YEARS_REG */ | |
3581 | #if ALMDEBUG | |
3582 | printf("ALM YRS_REG <-- %02x\n", value); | |
3583 | #endif | |
3584 | s->alarm_tm.tm_year = omap_rtc_bin(value); | |
3585 | omap_rtc_alarm_update(s); | |
3586 | return; | |
3587 | ||
3588 | case 0x40: /* RTC_CTRL_REG */ | |
3589 | #if ALMDEBUG | |
3590 | printf("RTC CONTROL <-- %02x\n", value); | |
3591 | #endif | |
3592 | s->pm_am = (value >> 3) & 1; | |
3593 | s->auto_comp = (value >> 2) & 1; | |
3594 | s->round = (value >> 1) & 1; | |
3595 | s->running = value & 1; | |
3596 | s->status &= 0xfd; | |
3597 | s->status |= s->running << 1; | |
3598 | return; | |
3599 | ||
3600 | case 0x44: /* RTC_STATUS_REG */ | |
3601 | #if ALMDEBUG | |
3602 | printf("RTC STATUSL <-- %02x\n", value); | |
3603 | #endif | |
3604 | s->status &= ~((value & 0xc0) ^ 0x80); | |
3605 | omap_rtc_interrupts_update(s); | |
3606 | return; | |
3607 | ||
3608 | case 0x48: /* RTC_INTERRUPTS_REG */ | |
3609 | #if ALMDEBUG | |
3610 | printf("RTC INTRS <-- %02x\n", value); | |
3611 | #endif | |
3612 | s->interrupts = value; | |
3613 | return; | |
3614 | ||
3615 | case 0x4c: /* RTC_COMP_LSB_REG */ | |
3616 | #if ALMDEBUG | |
3617 | printf("RTC COMPLSB <-- %02x\n", value); | |
3618 | #endif | |
3619 | s->comp_reg &= 0xff00; | |
3620 | s->comp_reg |= 0x00ff & value; | |
3621 | return; | |
3622 | ||
3623 | case 0x50: /* RTC_COMP_MSB_REG */ | |
3624 | #if ALMDEBUG | |
3625 | printf("RTC COMPMSB <-- %02x\n", value); | |
3626 | #endif | |
3627 | s->comp_reg &= 0x00ff; | |
3628 | s->comp_reg |= 0xff00 & (value << 8); | |
3629 | return; | |
3630 | ||
3631 | default: | |
3632 | OMAP_BAD_REG(addr); | |
3633 | return; | |
3634 | } | |
3635 | } | |
3636 | ||
3637 | static CPUReadMemoryFunc *omap_rtc_readfn[] = { | |
3638 | omap_rtc_read, | |
3639 | omap_badwidth_read8, | |
3640 | omap_badwidth_read8, | |
3641 | }; | |
3642 | ||
3643 | static CPUWriteMemoryFunc *omap_rtc_writefn[] = { | |
3644 | omap_rtc_write, | |
3645 | omap_badwidth_write8, | |
3646 | omap_badwidth_write8, | |
3647 | }; | |
3648 | ||
3649 | static void omap_rtc_tick(void *opaque) | |
3650 | { | |
3651 | struct omap_rtc_s *s = opaque; | |
3652 | ||
3653 | if (s->round) { | |
3654 | /* Round to nearest full minute. */ | |
3655 | if (s->current_tm.tm_sec < 30) | |
3656 | s->ti -= s->current_tm.tm_sec; | |
3657 | else | |
3658 | s->ti += 60 - s->current_tm.tm_sec; | |
3659 | ||
3660 | s->round = 0; | |
3661 | } | |
3662 | ||
f6503059 | 3663 | memcpy(&s->current_tm, localtime(&s->ti), sizeof(s->current_tm)); |
5c1c390f AZ |
3664 | |
3665 | if ((s->interrupts & 0x08) && s->ti == s->alarm_ti) { | |
3666 | s->status |= 0x40; | |
3667 | omap_rtc_interrupts_update(s); | |
3668 | } | |
3669 | ||
3670 | if (s->interrupts & 0x04) | |
3671 | switch (s->interrupts & 3) { | |
3672 | case 0: | |
3673 | s->status |= 0x04; | |
106627d0 | 3674 | qemu_irq_pulse(s->irq); |
5c1c390f AZ |
3675 | break; |
3676 | case 1: | |
3677 | if (s->current_tm.tm_sec) | |
3678 | break; | |
3679 | s->status |= 0x08; | |
106627d0 | 3680 | qemu_irq_pulse(s->irq); |
5c1c390f AZ |
3681 | break; |
3682 | case 2: | |
3683 | if (s->current_tm.tm_sec || s->current_tm.tm_min) | |
3684 | break; | |
3685 | s->status |= 0x10; | |
106627d0 | 3686 | qemu_irq_pulse(s->irq); |
5c1c390f AZ |
3687 | break; |
3688 | case 3: | |
3689 | if (s->current_tm.tm_sec || | |
3690 | s->current_tm.tm_min || s->current_tm.tm_hour) | |
3691 | break; | |
3692 | s->status |= 0x20; | |
106627d0 | 3693 | qemu_irq_pulse(s->irq); |
5c1c390f AZ |
3694 | break; |
3695 | } | |
3696 | ||
3697 | /* Move on */ | |
3698 | if (s->running) | |
3699 | s->ti ++; | |
3700 | s->tick += 1000; | |
3701 | ||
3702 | /* | |
3703 | * Every full hour add a rough approximation of the compensation | |
3704 | * register to the 32kHz Timer (which drives the RTC) value. | |
3705 | */ | |
3706 | if (s->auto_comp && !s->current_tm.tm_sec && !s->current_tm.tm_min) | |
3707 | s->tick += s->comp_reg * 1000 / 32768; | |
3708 | ||
3709 | qemu_mod_timer(s->clk, s->tick); | |
3710 | } | |
3711 | ||
9596ebb7 | 3712 | static void omap_rtc_reset(struct omap_rtc_s *s) |
5c1c390f | 3713 | { |
f6503059 AZ |
3714 | struct tm tm; |
3715 | ||
5c1c390f AZ |
3716 | s->interrupts = 0; |
3717 | s->comp_reg = 0; | |
3718 | s->running = 0; | |
3719 | s->pm_am = 0; | |
3720 | s->auto_comp = 0; | |
3721 | s->round = 0; | |
3722 | s->tick = qemu_get_clock(rt_clock); | |
3723 | memset(&s->alarm_tm, 0, sizeof(s->alarm_tm)); | |
3724 | s->alarm_tm.tm_mday = 0x01; | |
3725 | s->status = 1 << 7; | |
f6503059 AZ |
3726 | qemu_get_timedate(&tm, 0); |
3727 | s->ti = mktime(&tm); | |
5c1c390f AZ |
3728 | |
3729 | omap_rtc_alarm_update(s); | |
3730 | omap_rtc_tick(s); | |
3731 | } | |
3732 | ||
3733 | struct omap_rtc_s *omap_rtc_init(target_phys_addr_t base, | |
3734 | qemu_irq *irq, omap_clk clk) | |
3735 | { | |
3736 | int iomemtype; | |
3737 | struct omap_rtc_s *s = (struct omap_rtc_s *) | |
3738 | qemu_mallocz(sizeof(struct omap_rtc_s)); | |
3739 | ||
3740 | s->base = base; | |
3741 | s->irq = irq[0]; | |
3742 | s->alarm = irq[1]; | |
3743 | s->clk = qemu_new_timer(rt_clock, omap_rtc_tick, s); | |
5c1c390f AZ |
3744 | |
3745 | omap_rtc_reset(s); | |
3746 | ||
3747 | iomemtype = cpu_register_io_memory(0, omap_rtc_readfn, | |
3748 | omap_rtc_writefn, s); | |
3749 | cpu_register_physical_memory(s->base, 0x800, iomemtype); | |
3750 | ||
3751 | return s; | |
3752 | } | |
3753 | ||
d8f699cb AZ |
3754 | /* Multi-channel Buffered Serial Port interfaces */ |
3755 | struct omap_mcbsp_s { | |
3756 | target_phys_addr_t base; | |
3757 | qemu_irq txirq; | |
3758 | qemu_irq rxirq; | |
3759 | qemu_irq txdrq; | |
3760 | qemu_irq rxdrq; | |
3761 | ||
3762 | uint16_t spcr[2]; | |
3763 | uint16_t rcr[2]; | |
3764 | uint16_t xcr[2]; | |
3765 | uint16_t srgr[2]; | |
3766 | uint16_t mcr[2]; | |
3767 | uint16_t pcr; | |
3768 | uint16_t rcer[8]; | |
3769 | uint16_t xcer[8]; | |
3770 | int tx_rate; | |
3771 | int rx_rate; | |
3772 | int tx_req; | |
73560bc8 | 3773 | int rx_req; |
d8f699cb AZ |
3774 | |
3775 | struct i2s_codec_s *codec; | |
73560bc8 AZ |
3776 | QEMUTimer *source_timer; |
3777 | QEMUTimer *sink_timer; | |
d8f699cb AZ |
3778 | }; |
3779 | ||
3780 | static void omap_mcbsp_intr_update(struct omap_mcbsp_s *s) | |
3781 | { | |
3782 | int irq; | |
3783 | ||
3784 | switch ((s->spcr[0] >> 4) & 3) { /* RINTM */ | |
3785 | case 0: | |
3786 | irq = (s->spcr[0] >> 1) & 1; /* RRDY */ | |
3787 | break; | |
3788 | case 3: | |
3789 | irq = (s->spcr[0] >> 3) & 1; /* RSYNCERR */ | |
3790 | break; | |
3791 | default: | |
3792 | irq = 0; | |
3793 | break; | |
3794 | } | |
3795 | ||
106627d0 AZ |
3796 | if (irq) |
3797 | qemu_irq_pulse(s->rxirq); | |
d8f699cb AZ |
3798 | |
3799 | switch ((s->spcr[1] >> 4) & 3) { /* XINTM */ | |
3800 | case 0: | |
3801 | irq = (s->spcr[1] >> 1) & 1; /* XRDY */ | |
3802 | break; | |
3803 | case 3: | |
3804 | irq = (s->spcr[1] >> 3) & 1; /* XSYNCERR */ | |
3805 | break; | |
3806 | default: | |
3807 | irq = 0; | |
3808 | break; | |
3809 | } | |
3810 | ||
106627d0 AZ |
3811 | if (irq) |
3812 | qemu_irq_pulse(s->txirq); | |
d8f699cb AZ |
3813 | } |
3814 | ||
73560bc8 | 3815 | static void omap_mcbsp_rx_newdata(struct omap_mcbsp_s *s) |
d8f699cb | 3816 | { |
73560bc8 AZ |
3817 | if ((s->spcr[0] >> 1) & 1) /* RRDY */ |
3818 | s->spcr[0] |= 1 << 2; /* RFULL */ | |
3819 | s->spcr[0] |= 1 << 1; /* RRDY */ | |
3820 | qemu_irq_raise(s->rxdrq); | |
3821 | omap_mcbsp_intr_update(s); | |
d8f699cb AZ |
3822 | } |
3823 | ||
73560bc8 | 3824 | static void omap_mcbsp_source_tick(void *opaque) |
d8f699cb | 3825 | { |
73560bc8 AZ |
3826 | struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; |
3827 | static const int bps[8] = { 0, 1, 1, 2, 2, 2, -255, -255 }; | |
3828 | ||
3829 | if (!s->rx_rate) | |
d8f699cb | 3830 | return; |
73560bc8 AZ |
3831 | if (s->rx_req) |
3832 | printf("%s: Rx FIFO overrun\n", __FUNCTION__); | |
d8f699cb | 3833 | |
73560bc8 | 3834 | s->rx_req = s->rx_rate << bps[(s->rcr[0] >> 5) & 7]; |
d8f699cb | 3835 | |
73560bc8 AZ |
3836 | omap_mcbsp_rx_newdata(s); |
3837 | qemu_mod_timer(s->source_timer, qemu_get_clock(vm_clock) + ticks_per_sec); | |
d8f699cb AZ |
3838 | } |
3839 | ||
3840 | static void omap_mcbsp_rx_start(struct omap_mcbsp_s *s) | |
3841 | { | |
73560bc8 AZ |
3842 | if (!s->codec || !s->codec->rts) |
3843 | omap_mcbsp_source_tick(s); | |
3844 | else if (s->codec->in.len) { | |
3845 | s->rx_req = s->codec->in.len; | |
3846 | omap_mcbsp_rx_newdata(s); | |
d8f699cb | 3847 | } |
d8f699cb AZ |
3848 | } |
3849 | ||
3850 | static void omap_mcbsp_rx_stop(struct omap_mcbsp_s *s) | |
73560bc8 AZ |
3851 | { |
3852 | qemu_del_timer(s->source_timer); | |
3853 | } | |
3854 | ||
3855 | static void omap_mcbsp_rx_done(struct omap_mcbsp_s *s) | |
d8f699cb AZ |
3856 | { |
3857 | s->spcr[0] &= ~(1 << 1); /* RRDY */ | |
3858 | qemu_irq_lower(s->rxdrq); | |
3859 | omap_mcbsp_intr_update(s); | |
3860 | } | |
3861 | ||
73560bc8 AZ |
3862 | static void omap_mcbsp_tx_newdata(struct omap_mcbsp_s *s) |
3863 | { | |
3864 | s->spcr[1] |= 1 << 1; /* XRDY */ | |
3865 | qemu_irq_raise(s->txdrq); | |
3866 | omap_mcbsp_intr_update(s); | |
3867 | } | |
3868 | ||
3869 | static void omap_mcbsp_sink_tick(void *opaque) | |
d8f699cb | 3870 | { |
73560bc8 AZ |
3871 | struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; |
3872 | static const int bps[8] = { 0, 1, 1, 2, 2, 2, -255, -255 }; | |
3873 | ||
3874 | if (!s->tx_rate) | |
d8f699cb | 3875 | return; |
73560bc8 AZ |
3876 | if (s->tx_req) |
3877 | printf("%s: Tx FIFO underrun\n", __FUNCTION__); | |
3878 | ||
3879 | s->tx_req = s->tx_rate << bps[(s->xcr[0] >> 5) & 7]; | |
3880 | ||
3881 | omap_mcbsp_tx_newdata(s); | |
3882 | qemu_mod_timer(s->sink_timer, qemu_get_clock(vm_clock) + ticks_per_sec); | |
3883 | } | |
3884 | ||
3885 | static void omap_mcbsp_tx_start(struct omap_mcbsp_s *s) | |
3886 | { | |
3887 | if (!s->codec || !s->codec->cts) | |
3888 | omap_mcbsp_sink_tick(s); | |
3889 | else if (s->codec->out.size) { | |
3890 | s->tx_req = s->codec->out.size; | |
3891 | omap_mcbsp_tx_newdata(s); | |
3892 | } | |
3893 | } | |
3894 | ||
3895 | static void omap_mcbsp_tx_done(struct omap_mcbsp_s *s) | |
3896 | { | |
3897 | s->spcr[1] &= ~(1 << 1); /* XRDY */ | |
3898 | qemu_irq_lower(s->txdrq); | |
3899 | omap_mcbsp_intr_update(s); | |
3900 | if (s->codec && s->codec->cts) | |
3901 | s->codec->tx_swallow(s->codec->opaque); | |
d8f699cb AZ |
3902 | } |
3903 | ||
3904 | static void omap_mcbsp_tx_stop(struct omap_mcbsp_s *s) | |
3905 | { | |
73560bc8 AZ |
3906 | s->tx_req = 0; |
3907 | omap_mcbsp_tx_done(s); | |
3908 | qemu_del_timer(s->sink_timer); | |
3909 | } | |
3910 | ||
3911 | static void omap_mcbsp_req_update(struct omap_mcbsp_s *s) | |
3912 | { | |
3913 | int prev_rx_rate, prev_tx_rate; | |
3914 | int rx_rate = 0, tx_rate = 0; | |
3915 | int cpu_rate = 1500000; /* XXX */ | |
3916 | ||
3917 | /* TODO: check CLKSTP bit */ | |
3918 | if (s->spcr[1] & (1 << 6)) { /* GRST */ | |
3919 | if (s->spcr[0] & (1 << 0)) { /* RRST */ | |
3920 | if ((s->srgr[1] & (1 << 13)) && /* CLKSM */ | |
3921 | (s->pcr & (1 << 8))) { /* CLKRM */ | |
3922 | if (~s->pcr & (1 << 7)) /* SCLKME */ | |
3923 | rx_rate = cpu_rate / | |
3924 | ((s->srgr[0] & 0xff) + 1); /* CLKGDV */ | |
3925 | } else | |
3926 | if (s->codec) | |
3927 | rx_rate = s->codec->rx_rate; | |
3928 | } | |
3929 | ||
3930 | if (s->spcr[1] & (1 << 0)) { /* XRST */ | |
3931 | if ((s->srgr[1] & (1 << 13)) && /* CLKSM */ | |
3932 | (s->pcr & (1 << 9))) { /* CLKXM */ | |
3933 | if (~s->pcr & (1 << 7)) /* SCLKME */ | |
3934 | tx_rate = cpu_rate / | |
3935 | ((s->srgr[0] & 0xff) + 1); /* CLKGDV */ | |
3936 | } else | |
3937 | if (s->codec) | |
3938 | tx_rate = s->codec->tx_rate; | |
3939 | } | |
3940 | } | |
3941 | prev_tx_rate = s->tx_rate; | |
3942 | prev_rx_rate = s->rx_rate; | |
3943 | s->tx_rate = tx_rate; | |
3944 | s->rx_rate = rx_rate; | |
3945 | ||
3946 | if (s->codec) | |
3947 | s->codec->set_rate(s->codec->opaque, rx_rate, tx_rate); | |
3948 | ||
3949 | if (!prev_tx_rate && tx_rate) | |
3950 | omap_mcbsp_tx_start(s); | |
3951 | else if (s->tx_rate && !tx_rate) | |
3952 | omap_mcbsp_tx_stop(s); | |
3953 | ||
3954 | if (!prev_rx_rate && rx_rate) | |
3955 | omap_mcbsp_rx_start(s); | |
3956 | else if (prev_tx_rate && !tx_rate) | |
3957 | omap_mcbsp_rx_stop(s); | |
d8f699cb AZ |
3958 | } |
3959 | ||
3960 | static uint32_t omap_mcbsp_read(void *opaque, target_phys_addr_t addr) | |
3961 | { | |
3962 | struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; | |
3963 | int offset = addr & OMAP_MPUI_REG_MASK; | |
3964 | uint16_t ret; | |
3965 | ||
3966 | switch (offset) { | |
3967 | case 0x00: /* DRR2 */ | |
3968 | if (((s->rcr[0] >> 5) & 7) < 3) /* RWDLEN1 */ | |
3969 | return 0x0000; | |
3970 | /* Fall through. */ | |
3971 | case 0x02: /* DRR1 */ | |
73560bc8 | 3972 | if (s->rx_req < 2) { |
d8f699cb | 3973 | printf("%s: Rx FIFO underrun\n", __FUNCTION__); |
73560bc8 | 3974 | omap_mcbsp_rx_done(s); |
d8f699cb | 3975 | } else { |
73560bc8 AZ |
3976 | s->tx_req -= 2; |
3977 | if (s->codec && s->codec->in.len >= 2) { | |
3978 | ret = s->codec->in.fifo[s->codec->in.start ++] << 8; | |
3979 | ret |= s->codec->in.fifo[s->codec->in.start ++]; | |
3980 | s->codec->in.len -= 2; | |
3981 | } else | |
3982 | ret = 0x0000; | |
3983 | if (!s->tx_req) | |
3984 | omap_mcbsp_rx_done(s); | |
d8f699cb AZ |
3985 | return ret; |
3986 | } | |
3987 | return 0x0000; | |
3988 | ||
3989 | case 0x04: /* DXR2 */ | |
3990 | case 0x06: /* DXR1 */ | |
3991 | return 0x0000; | |
3992 | ||
3993 | case 0x08: /* SPCR2 */ | |
3994 | return s->spcr[1]; | |
3995 | case 0x0a: /* SPCR1 */ | |
3996 | return s->spcr[0]; | |
3997 | case 0x0c: /* RCR2 */ | |
3998 | return s->rcr[1]; | |
3999 | case 0x0e: /* RCR1 */ | |
4000 | return s->rcr[0]; | |
4001 | case 0x10: /* XCR2 */ | |
4002 | return s->xcr[1]; | |
4003 | case 0x12: /* XCR1 */ | |
4004 | return s->xcr[0]; | |
4005 | case 0x14: /* SRGR2 */ | |
4006 | return s->srgr[1]; | |
4007 | case 0x16: /* SRGR1 */ | |
4008 | return s->srgr[0]; | |
4009 | case 0x18: /* MCR2 */ | |
4010 | return s->mcr[1]; | |
4011 | case 0x1a: /* MCR1 */ | |
4012 | return s->mcr[0]; | |
4013 | case 0x1c: /* RCERA */ | |
4014 | return s->rcer[0]; | |
4015 | case 0x1e: /* RCERB */ | |
4016 | return s->rcer[1]; | |
4017 | case 0x20: /* XCERA */ | |
4018 | return s->xcer[0]; | |
4019 | case 0x22: /* XCERB */ | |
4020 | return s->xcer[1]; | |
4021 | case 0x24: /* PCR0 */ | |
4022 | return s->pcr; | |
4023 | case 0x26: /* RCERC */ | |
4024 | return s->rcer[2]; | |
4025 | case 0x28: /* RCERD */ | |
4026 | return s->rcer[3]; | |
4027 | case 0x2a: /* XCERC */ | |
4028 | return s->xcer[2]; | |
4029 | case 0x2c: /* XCERD */ | |
4030 | return s->xcer[3]; | |
4031 | case 0x2e: /* RCERE */ | |
4032 | return s->rcer[4]; | |
4033 | case 0x30: /* RCERF */ | |
4034 | return s->rcer[5]; | |
4035 | case 0x32: /* XCERE */ | |
4036 | return s->xcer[4]; | |
4037 | case 0x34: /* XCERF */ | |
4038 | return s->xcer[5]; | |
4039 | case 0x36: /* RCERG */ | |
4040 | return s->rcer[6]; | |
4041 | case 0x38: /* RCERH */ | |
4042 | return s->rcer[7]; | |
4043 | case 0x3a: /* XCERG */ | |
4044 | return s->xcer[6]; | |
4045 | case 0x3c: /* XCERH */ | |
4046 | return s->xcer[7]; | |
4047 | } | |
4048 | ||
4049 | OMAP_BAD_REG(addr); | |
4050 | return 0; | |
4051 | } | |
4052 | ||
73560bc8 | 4053 | static void omap_mcbsp_writeh(void *opaque, target_phys_addr_t addr, |
d8f699cb AZ |
4054 | uint32_t value) |
4055 | { | |
4056 | struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; | |
4057 | int offset = addr & OMAP_MPUI_REG_MASK; | |
4058 | ||
4059 | switch (offset) { | |
4060 | case 0x00: /* DRR2 */ | |
4061 | case 0x02: /* DRR1 */ | |
4062 | OMAP_RO_REG(addr); | |
4063 | return; | |
4064 | ||
4065 | case 0x04: /* DXR2 */ | |
4066 | if (((s->xcr[0] >> 5) & 7) < 3) /* XWDLEN1 */ | |
4067 | return; | |
4068 | /* Fall through. */ | |
4069 | case 0x06: /* DXR1 */ | |
73560bc8 AZ |
4070 | if (s->tx_req > 1) { |
4071 | s->tx_req -= 2; | |
4072 | if (s->codec && s->codec->cts) { | |
d8f699cb AZ |
4073 | s->codec->out.fifo[s->codec->out.len ++] = (value >> 8) & 0xff; |
4074 | s->codec->out.fifo[s->codec->out.len ++] = (value >> 0) & 0xff; | |
d8f699cb | 4075 | } |
73560bc8 AZ |
4076 | if (s->tx_req < 2) |
4077 | omap_mcbsp_tx_done(s); | |
d8f699cb AZ |
4078 | } else |
4079 | printf("%s: Tx FIFO overrun\n", __FUNCTION__); | |
4080 | return; | |
4081 | ||
4082 | case 0x08: /* SPCR2 */ | |
4083 | s->spcr[1] &= 0x0002; | |
4084 | s->spcr[1] |= 0x03f9 & value; | |
4085 | s->spcr[1] |= 0x0004 & (value << 2); /* XEMPTY := XRST */ | |
73560bc8 | 4086 | if (~value & 1) /* XRST */ |
d8f699cb | 4087 | s->spcr[1] &= ~6; |
d8f699cb AZ |
4088 | omap_mcbsp_req_update(s); |
4089 | return; | |
4090 | case 0x0a: /* SPCR1 */ | |
4091 | s->spcr[0] &= 0x0006; | |
4092 | s->spcr[0] |= 0xf8f9 & value; | |
4093 | if (value & (1 << 15)) /* DLB */ | |
4094 | printf("%s: Digital Loopback mode enable attempt\n", __FUNCTION__); | |
4095 | if (~value & 1) { /* RRST */ | |
4096 | s->spcr[0] &= ~6; | |
73560bc8 AZ |
4097 | s->rx_req = 0; |
4098 | omap_mcbsp_rx_done(s); | |
d8f699cb | 4099 | } |
d8f699cb AZ |
4100 | omap_mcbsp_req_update(s); |
4101 | return; | |
4102 | ||
4103 | case 0x0c: /* RCR2 */ | |
4104 | s->rcr[1] = value & 0xffff; | |
4105 | return; | |
4106 | case 0x0e: /* RCR1 */ | |
4107 | s->rcr[0] = value & 0x7fe0; | |
4108 | return; | |
4109 | case 0x10: /* XCR2 */ | |
4110 | s->xcr[1] = value & 0xffff; | |
4111 | return; | |
4112 | case 0x12: /* XCR1 */ | |
4113 | s->xcr[0] = value & 0x7fe0; | |
4114 | return; | |
4115 | case 0x14: /* SRGR2 */ | |
4116 | s->srgr[1] = value & 0xffff; | |
73560bc8 | 4117 | omap_mcbsp_req_update(s); |
d8f699cb AZ |
4118 | return; |
4119 | case 0x16: /* SRGR1 */ | |
4120 | s->srgr[0] = value & 0xffff; | |
73560bc8 | 4121 | omap_mcbsp_req_update(s); |
d8f699cb AZ |
4122 | return; |
4123 | case 0x18: /* MCR2 */ | |
4124 | s->mcr[1] = value & 0x03e3; | |
4125 | if (value & 3) /* XMCM */ | |
4126 | printf("%s: Tx channel selection mode enable attempt\n", | |
4127 | __FUNCTION__); | |
4128 | return; | |
4129 | case 0x1a: /* MCR1 */ | |
4130 | s->mcr[0] = value & 0x03e1; | |
4131 | if (value & 1) /* RMCM */ | |
4132 | printf("%s: Rx channel selection mode enable attempt\n", | |
4133 | __FUNCTION__); | |
4134 | return; | |
4135 | case 0x1c: /* RCERA */ | |
4136 | s->rcer[0] = value & 0xffff; | |
4137 | return; | |
4138 | case 0x1e: /* RCERB */ | |
4139 | s->rcer[1] = value & 0xffff; | |
4140 | return; | |
4141 | case 0x20: /* XCERA */ | |
4142 | s->xcer[0] = value & 0xffff; | |
4143 | return; | |
4144 | case 0x22: /* XCERB */ | |
4145 | s->xcer[1] = value & 0xffff; | |
4146 | return; | |
4147 | case 0x24: /* PCR0 */ | |
4148 | s->pcr = value & 0x7faf; | |
4149 | return; | |
4150 | case 0x26: /* RCERC */ | |
4151 | s->rcer[2] = value & 0xffff; | |
4152 | return; | |
4153 | case 0x28: /* RCERD */ | |
4154 | s->rcer[3] = value & 0xffff; | |
4155 | return; | |
4156 | case 0x2a: /* XCERC */ | |
4157 | s->xcer[2] = value & 0xffff; | |
4158 | return; | |
4159 | case 0x2c: /* XCERD */ | |
4160 | s->xcer[3] = value & 0xffff; | |
4161 | return; | |
4162 | case 0x2e: /* RCERE */ | |
4163 | s->rcer[4] = value & 0xffff; | |
4164 | return; | |
4165 | case 0x30: /* RCERF */ | |
4166 | s->rcer[5] = value & 0xffff; | |
4167 | return; | |
4168 | case 0x32: /* XCERE */ | |
4169 | s->xcer[4] = value & 0xffff; | |
4170 | return; | |
4171 | case 0x34: /* XCERF */ | |
4172 | s->xcer[5] = value & 0xffff; | |
4173 | return; | |
4174 | case 0x36: /* RCERG */ | |
4175 | s->rcer[6] = value & 0xffff; | |
4176 | return; | |
4177 | case 0x38: /* RCERH */ | |
4178 | s->rcer[7] = value & 0xffff; | |
4179 | return; | |
4180 | case 0x3a: /* XCERG */ | |
4181 | s->xcer[6] = value & 0xffff; | |
4182 | return; | |
4183 | case 0x3c: /* XCERH */ | |
4184 | s->xcer[7] = value & 0xffff; | |
4185 | return; | |
4186 | } | |
4187 | ||
4188 | OMAP_BAD_REG(addr); | |
4189 | } | |
4190 | ||
73560bc8 AZ |
4191 | static void omap_mcbsp_writew(void *opaque, target_phys_addr_t addr, |
4192 | uint32_t value) | |
4193 | { | |
4194 | struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; | |
4195 | int offset = addr & OMAP_MPUI_REG_MASK; | |
4196 | ||
4197 | if (offset == 0x04) { /* DXR */ | |
4198 | if (((s->xcr[0] >> 5) & 7) < 3) /* XWDLEN1 */ | |
4199 | return; | |
4200 | if (s->tx_req > 3) { | |
4201 | s->tx_req -= 4; | |
4202 | if (s->codec && s->codec->cts) { | |
4203 | s->codec->out.fifo[s->codec->out.len ++] = | |
4204 | (value >> 24) & 0xff; | |
4205 | s->codec->out.fifo[s->codec->out.len ++] = | |
4206 | (value >> 16) & 0xff; | |
4207 | s->codec->out.fifo[s->codec->out.len ++] = | |
4208 | (value >> 8) & 0xff; | |
4209 | s->codec->out.fifo[s->codec->out.len ++] = | |
4210 | (value >> 0) & 0xff; | |
4211 | } | |
4212 | if (s->tx_req < 4) | |
4213 | omap_mcbsp_tx_done(s); | |
4214 | } else | |
4215 | printf("%s: Tx FIFO overrun\n", __FUNCTION__); | |
4216 | return; | |
4217 | } | |
4218 | ||
4219 | omap_badwidth_write16(opaque, addr, value); | |
4220 | } | |
4221 | ||
d8f699cb AZ |
4222 | static CPUReadMemoryFunc *omap_mcbsp_readfn[] = { |
4223 | omap_badwidth_read16, | |
4224 | omap_mcbsp_read, | |
4225 | omap_badwidth_read16, | |
4226 | }; | |
4227 | ||
4228 | static CPUWriteMemoryFunc *omap_mcbsp_writefn[] = { | |
4229 | omap_badwidth_write16, | |
73560bc8 AZ |
4230 | omap_mcbsp_writeh, |
4231 | omap_mcbsp_writew, | |
d8f699cb AZ |
4232 | }; |
4233 | ||
4234 | static void omap_mcbsp_reset(struct omap_mcbsp_s *s) | |
4235 | { | |
4236 | memset(&s->spcr, 0, sizeof(s->spcr)); | |
4237 | memset(&s->rcr, 0, sizeof(s->rcr)); | |
4238 | memset(&s->xcr, 0, sizeof(s->xcr)); | |
4239 | s->srgr[0] = 0x0001; | |
4240 | s->srgr[1] = 0x2000; | |
4241 | memset(&s->mcr, 0, sizeof(s->mcr)); | |
4242 | memset(&s->pcr, 0, sizeof(s->pcr)); | |
4243 | memset(&s->rcer, 0, sizeof(s->rcer)); | |
4244 | memset(&s->xcer, 0, sizeof(s->xcer)); | |
4245 | s->tx_req = 0; | |
73560bc8 | 4246 | s->rx_req = 0; |
d8f699cb AZ |
4247 | s->tx_rate = 0; |
4248 | s->rx_rate = 0; | |
73560bc8 AZ |
4249 | qemu_del_timer(s->source_timer); |
4250 | qemu_del_timer(s->sink_timer); | |
d8f699cb AZ |
4251 | } |
4252 | ||
4253 | struct omap_mcbsp_s *omap_mcbsp_init(target_phys_addr_t base, | |
4254 | qemu_irq *irq, qemu_irq *dma, omap_clk clk) | |
4255 | { | |
4256 | int iomemtype; | |
4257 | struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) | |
4258 | qemu_mallocz(sizeof(struct omap_mcbsp_s)); | |
4259 | ||
4260 | s->base = base; | |
4261 | s->txirq = irq[0]; | |
4262 | s->rxirq = irq[1]; | |
4263 | s->txdrq = dma[0]; | |
4264 | s->rxdrq = dma[1]; | |
73560bc8 AZ |
4265 | s->sink_timer = qemu_new_timer(vm_clock, omap_mcbsp_sink_tick, s); |
4266 | s->source_timer = qemu_new_timer(vm_clock, omap_mcbsp_source_tick, s); | |
d8f699cb AZ |
4267 | omap_mcbsp_reset(s); |
4268 | ||
4269 | iomemtype = cpu_register_io_memory(0, omap_mcbsp_readfn, | |
4270 | omap_mcbsp_writefn, s); | |
4271 | cpu_register_physical_memory(s->base, 0x800, iomemtype); | |
4272 | ||
4273 | return s; | |
4274 | } | |
4275 | ||
9596ebb7 | 4276 | static void omap_mcbsp_i2s_swallow(void *opaque, int line, int level) |
d8f699cb AZ |
4277 | { |
4278 | struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; | |
4279 | ||
73560bc8 AZ |
4280 | if (s->rx_rate) { |
4281 | s->rx_req = s->codec->in.len; | |
4282 | omap_mcbsp_rx_newdata(s); | |
4283 | } | |
d8f699cb AZ |
4284 | } |
4285 | ||
9596ebb7 | 4286 | static void omap_mcbsp_i2s_start(void *opaque, int line, int level) |
d8f699cb AZ |
4287 | { |
4288 | struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; | |
4289 | ||
73560bc8 AZ |
4290 | if (s->tx_rate) { |
4291 | s->tx_req = s->codec->out.size; | |
4292 | omap_mcbsp_tx_newdata(s); | |
4293 | } | |
d8f699cb AZ |
4294 | } |
4295 | ||
4296 | void omap_mcbsp_i2s_attach(struct omap_mcbsp_s *s, struct i2s_codec_s *slave) | |
4297 | { | |
4298 | s->codec = slave; | |
4299 | slave->rx_swallow = qemu_allocate_irqs(omap_mcbsp_i2s_swallow, s, 1)[0]; | |
4300 | slave->tx_start = qemu_allocate_irqs(omap_mcbsp_i2s_start, s, 1)[0]; | |
4301 | } | |
4302 | ||
f9d43072 AZ |
4303 | /* LED Pulse Generators */ |
4304 | struct omap_lpg_s { | |
4305 | target_phys_addr_t base; | |
4306 | QEMUTimer *tm; | |
4307 | ||
4308 | uint8_t control; | |
4309 | uint8_t power; | |
4310 | int64_t on; | |
4311 | int64_t period; | |
4312 | int clk; | |
4313 | int cycle; | |
4314 | }; | |
4315 | ||
4316 | static void omap_lpg_tick(void *opaque) | |
4317 | { | |
4318 | struct omap_lpg_s *s = opaque; | |
4319 | ||
4320 | if (s->cycle) | |
4321 | qemu_mod_timer(s->tm, qemu_get_clock(rt_clock) + s->period - s->on); | |
4322 | else | |
4323 | qemu_mod_timer(s->tm, qemu_get_clock(rt_clock) + s->on); | |
4324 | ||
4325 | s->cycle = !s->cycle; | |
4326 | printf("%s: LED is %s\n", __FUNCTION__, s->cycle ? "on" : "off"); | |
4327 | } | |
4328 | ||
4329 | static void omap_lpg_update(struct omap_lpg_s *s) | |
4330 | { | |
4331 | int64_t on, period = 1, ticks = 1000; | |
4332 | static const int per[8] = { 1, 2, 4, 8, 12, 16, 20, 24 }; | |
4333 | ||
4334 | if (~s->control & (1 << 6)) /* LPGRES */ | |
4335 | on = 0; | |
4336 | else if (s->control & (1 << 7)) /* PERM_ON */ | |
4337 | on = period; | |
4338 | else { | |
4339 | period = muldiv64(ticks, per[s->control & 7], /* PERCTRL */ | |
4340 | 256 / 32); | |
4341 | on = (s->clk && s->power) ? muldiv64(ticks, | |
4342 | per[(s->control >> 3) & 7], 256) : 0; /* ONCTRL */ | |
4343 | } | |
4344 | ||
4345 | qemu_del_timer(s->tm); | |
4346 | if (on == period && s->on < s->period) | |
4347 | printf("%s: LED is on\n", __FUNCTION__); | |
4348 | else if (on == 0 && s->on) | |
4349 | printf("%s: LED is off\n", __FUNCTION__); | |
4350 | else if (on && (on != s->on || period != s->period)) { | |
4351 | s->cycle = 0; | |
4352 | s->on = on; | |
4353 | s->period = period; | |
4354 | omap_lpg_tick(s); | |
4355 | return; | |
4356 | } | |
4357 | ||
4358 | s->on = on; | |
4359 | s->period = period; | |
4360 | } | |
4361 | ||
4362 | static void omap_lpg_reset(struct omap_lpg_s *s) | |
4363 | { | |
4364 | s->control = 0x00; | |
4365 | s->power = 0x00; | |
4366 | s->clk = 1; | |
4367 | omap_lpg_update(s); | |
4368 | } | |
4369 | ||
4370 | static uint32_t omap_lpg_read(void *opaque, target_phys_addr_t addr) | |
4371 | { | |
4372 | struct omap_lpg_s *s = (struct omap_lpg_s *) opaque; | |
4373 | int offset = addr & OMAP_MPUI_REG_MASK; | |
4374 | ||
4375 | switch (offset) { | |
4376 | case 0x00: /* LCR */ | |
4377 | return s->control; | |
4378 | ||
4379 | case 0x04: /* PMR */ | |
4380 | return s->power; | |
4381 | } | |
4382 | ||
4383 | OMAP_BAD_REG(addr); | |
4384 | return 0; | |
4385 | } | |
4386 | ||
4387 | static void omap_lpg_write(void *opaque, target_phys_addr_t addr, | |
4388 | uint32_t value) | |
4389 | { | |
4390 | struct omap_lpg_s *s = (struct omap_lpg_s *) opaque; | |
4391 | int offset = addr & OMAP_MPUI_REG_MASK; | |
4392 | ||
4393 | switch (offset) { | |
4394 | case 0x00: /* LCR */ | |
4395 | if (~value & (1 << 6)) /* LPGRES */ | |
4396 | omap_lpg_reset(s); | |
4397 | s->control = value & 0xff; | |
4398 | omap_lpg_update(s); | |
4399 | return; | |
4400 | ||
4401 | case 0x04: /* PMR */ | |
4402 | s->power = value & 0x01; | |
4403 | omap_lpg_update(s); | |
4404 | return; | |
4405 | ||
4406 | default: | |
4407 | OMAP_BAD_REG(addr); | |
4408 | return; | |
4409 | } | |
4410 | } | |
4411 | ||
4412 | static CPUReadMemoryFunc *omap_lpg_readfn[] = { | |
4413 | omap_lpg_read, | |
4414 | omap_badwidth_read8, | |
4415 | omap_badwidth_read8, | |
4416 | }; | |
4417 | ||
4418 | static CPUWriteMemoryFunc *omap_lpg_writefn[] = { | |
4419 | omap_lpg_write, | |
4420 | omap_badwidth_write8, | |
4421 | omap_badwidth_write8, | |
4422 | }; | |
4423 | ||
4424 | static void omap_lpg_clk_update(void *opaque, int line, int on) | |
4425 | { | |
4426 | struct omap_lpg_s *s = (struct omap_lpg_s *) opaque; | |
4427 | ||
4428 | s->clk = on; | |
4429 | omap_lpg_update(s); | |
4430 | } | |
4431 | ||
4432 | struct omap_lpg_s *omap_lpg_init(target_phys_addr_t base, omap_clk clk) | |
4433 | { | |
4434 | int iomemtype; | |
4435 | struct omap_lpg_s *s = (struct omap_lpg_s *) | |
4436 | qemu_mallocz(sizeof(struct omap_lpg_s)); | |
4437 | ||
4438 | s->base = base; | |
4439 | s->tm = qemu_new_timer(rt_clock, omap_lpg_tick, s); | |
4440 | ||
4441 | omap_lpg_reset(s); | |
4442 | ||
4443 | iomemtype = cpu_register_io_memory(0, omap_lpg_readfn, | |
4444 | omap_lpg_writefn, s); | |
4445 | cpu_register_physical_memory(s->base, 0x800, iomemtype); | |
4446 | ||
4447 | omap_clk_adduser(clk, qemu_allocate_irqs(omap_lpg_clk_update, s, 1)[0]); | |
4448 | ||
4449 | return s; | |
4450 | } | |
4451 | ||
4452 | /* MPUI Peripheral Bridge configuration */ | |
4453 | static uint32_t omap_mpui_io_read(void *opaque, target_phys_addr_t addr) | |
4454 | { | |
4455 | if (addr == OMAP_MPUI_BASE) /* CMR */ | |
4456 | return 0xfe4d; | |
4457 | ||
4458 | OMAP_BAD_REG(addr); | |
4459 | return 0; | |
4460 | } | |
4461 | ||
4462 | static CPUReadMemoryFunc *omap_mpui_io_readfn[] = { | |
4463 | omap_badwidth_read16, | |
4464 | omap_mpui_io_read, | |
4465 | omap_badwidth_read16, | |
4466 | }; | |
4467 | ||
4468 | static CPUWriteMemoryFunc *omap_mpui_io_writefn[] = { | |
4469 | omap_badwidth_write16, | |
4470 | omap_badwidth_write16, | |
4471 | omap_badwidth_write16, | |
4472 | }; | |
4473 | ||
4474 | static void omap_setup_mpui_io(struct omap_mpu_state_s *mpu) | |
4475 | { | |
4476 | int iomemtype = cpu_register_io_memory(0, omap_mpui_io_readfn, | |
4477 | omap_mpui_io_writefn, mpu); | |
4478 | cpu_register_physical_memory(OMAP_MPUI_BASE, 0x7fff, iomemtype); | |
4479 | } | |
4480 | ||
c3d2689d | 4481 | /* General chip reset */ |
827df9f3 | 4482 | static void omap1_mpu_reset(void *opaque) |
c3d2689d AZ |
4483 | { |
4484 | struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque; | |
4485 | ||
c3d2689d AZ |
4486 | omap_inth_reset(mpu->ih[0]); |
4487 | omap_inth_reset(mpu->ih[1]); | |
4488 | omap_dma_reset(mpu->dma); | |
4489 | omap_mpu_timer_reset(mpu->timer[0]); | |
4490 | omap_mpu_timer_reset(mpu->timer[1]); | |
4491 | omap_mpu_timer_reset(mpu->timer[2]); | |
4492 | omap_wd_timer_reset(mpu->wdt); | |
4493 | omap_os_timer_reset(mpu->os_timer); | |
4494 | omap_lcdc_reset(mpu->lcd); | |
4495 | omap_ulpd_pm_reset(mpu); | |
4496 | omap_pin_cfg_reset(mpu); | |
4497 | omap_mpui_reset(mpu); | |
4498 | omap_tipb_bridge_reset(mpu->private_tipb); | |
4499 | omap_tipb_bridge_reset(mpu->public_tipb); | |
4500 | omap_dpll_reset(&mpu->dpll[0]); | |
4501 | omap_dpll_reset(&mpu->dpll[1]); | |
4502 | omap_dpll_reset(&mpu->dpll[2]); | |
d951f6ff AZ |
4503 | omap_uart_reset(mpu->uart[0]); |
4504 | omap_uart_reset(mpu->uart[1]); | |
4505 | omap_uart_reset(mpu->uart[2]); | |
b30bb3a2 | 4506 | omap_mmc_reset(mpu->mmc); |
fe71e81a | 4507 | omap_mpuio_reset(mpu->mpuio); |
64330148 | 4508 | omap_gpio_reset(mpu->gpio); |
d951f6ff | 4509 | omap_uwire_reset(mpu->microwire); |
66450b15 | 4510 | omap_pwl_reset(mpu); |
4a2c8ac2 | 4511 | omap_pwt_reset(mpu); |
827df9f3 | 4512 | omap_i2c_reset(mpu->i2c[0]); |
5c1c390f | 4513 | omap_rtc_reset(mpu->rtc); |
d8f699cb AZ |
4514 | omap_mcbsp_reset(mpu->mcbsp1); |
4515 | omap_mcbsp_reset(mpu->mcbsp2); | |
4516 | omap_mcbsp_reset(mpu->mcbsp3); | |
f9d43072 AZ |
4517 | omap_lpg_reset(mpu->led[0]); |
4518 | omap_lpg_reset(mpu->led[1]); | |
8ef6367e | 4519 | omap_clkm_reset(mpu); |
c3d2689d AZ |
4520 | cpu_reset(mpu->env); |
4521 | } | |
4522 | ||
cf965d24 AZ |
4523 | static const struct omap_map_s { |
4524 | target_phys_addr_t phys_dsp; | |
4525 | target_phys_addr_t phys_mpu; | |
4526 | uint32_t size; | |
4527 | const char *name; | |
4528 | } omap15xx_dsp_mm[] = { | |
4529 | /* Strobe 0 */ | |
4530 | { 0xe1010000, 0xfffb0000, 0x800, "UART1 BT" }, /* CS0 */ | |
4531 | { 0xe1010800, 0xfffb0800, 0x800, "UART2 COM" }, /* CS1 */ | |
4532 | { 0xe1011800, 0xfffb1800, 0x800, "McBSP1 audio" }, /* CS3 */ | |
4533 | { 0xe1012000, 0xfffb2000, 0x800, "MCSI2 communication" }, /* CS4 */ | |
4534 | { 0xe1012800, 0xfffb2800, 0x800, "MCSI1 BT u-Law" }, /* CS5 */ | |
4535 | { 0xe1013000, 0xfffb3000, 0x800, "uWire" }, /* CS6 */ | |
4536 | { 0xe1013800, 0xfffb3800, 0x800, "I^2C" }, /* CS7 */ | |
4537 | { 0xe1014000, 0xfffb4000, 0x800, "USB W2FC" }, /* CS8 */ | |
4538 | { 0xe1014800, 0xfffb4800, 0x800, "RTC" }, /* CS9 */ | |
4539 | { 0xe1015000, 0xfffb5000, 0x800, "MPUIO" }, /* CS10 */ | |
4540 | { 0xe1015800, 0xfffb5800, 0x800, "PWL" }, /* CS11 */ | |
4541 | { 0xe1016000, 0xfffb6000, 0x800, "PWT" }, /* CS12 */ | |
4542 | { 0xe1017000, 0xfffb7000, 0x800, "McBSP3" }, /* CS14 */ | |
4543 | { 0xe1017800, 0xfffb7800, 0x800, "MMC" }, /* CS15 */ | |
4544 | { 0xe1019000, 0xfffb9000, 0x800, "32-kHz timer" }, /* CS18 */ | |
4545 | { 0xe1019800, 0xfffb9800, 0x800, "UART3" }, /* CS19 */ | |
4546 | { 0xe101c800, 0xfffbc800, 0x800, "TIPB switches" }, /* CS25 */ | |
4547 | /* Strobe 1 */ | |
4548 | { 0xe101e000, 0xfffce000, 0x800, "GPIOs" }, /* CS28 */ | |
4549 | ||
4550 | { 0 } | |
4551 | }; | |
4552 | ||
4553 | static void omap_setup_dsp_mapping(const struct omap_map_s *map) | |
4554 | { | |
4555 | int io; | |
4556 | ||
4557 | for (; map->phys_dsp; map ++) { | |
4558 | io = cpu_get_physical_page_desc(map->phys_mpu); | |
4559 | ||
4560 | cpu_register_physical_memory(map->phys_dsp, map->size, io); | |
4561 | } | |
4562 | } | |
4563 | ||
827df9f3 | 4564 | void omap_mpu_wakeup(void *opaque, int irq, int req) |
c3d2689d AZ |
4565 | { |
4566 | struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque; | |
4567 | ||
fe71e81a AZ |
4568 | if (mpu->env->halted) |
4569 | cpu_interrupt(mpu->env, CPU_INTERRUPT_EXITTB); | |
c3d2689d AZ |
4570 | } |
4571 | ||
827df9f3 | 4572 | static const struct dma_irq_map omap1_dma_irq_map[] = { |
089b7c0a AZ |
4573 | { 0, OMAP_INT_DMA_CH0_6 }, |
4574 | { 0, OMAP_INT_DMA_CH1_7 }, | |
4575 | { 0, OMAP_INT_DMA_CH2_8 }, | |
4576 | { 0, OMAP_INT_DMA_CH3 }, | |
4577 | { 0, OMAP_INT_DMA_CH4 }, | |
4578 | { 0, OMAP_INT_DMA_CH5 }, | |
4579 | { 1, OMAP_INT_1610_DMA_CH6 }, | |
4580 | { 1, OMAP_INT_1610_DMA_CH7 }, | |
4581 | { 1, OMAP_INT_1610_DMA_CH8 }, | |
4582 | { 1, OMAP_INT_1610_DMA_CH9 }, | |
4583 | { 1, OMAP_INT_1610_DMA_CH10 }, | |
4584 | { 1, OMAP_INT_1610_DMA_CH11 }, | |
4585 | { 1, OMAP_INT_1610_DMA_CH12 }, | |
4586 | { 1, OMAP_INT_1610_DMA_CH13 }, | |
4587 | { 1, OMAP_INT_1610_DMA_CH14 }, | |
4588 | { 1, OMAP_INT_1610_DMA_CH15 } | |
4589 | }; | |
4590 | ||
b4e3104b AZ |
4591 | /* DMA ports for OMAP1 */ |
4592 | static int omap_validate_emiff_addr(struct omap_mpu_state_s *s, | |
4593 | target_phys_addr_t addr) | |
4594 | { | |
4595 | return addr >= OMAP_EMIFF_BASE && addr < OMAP_EMIFF_BASE + s->sdram_size; | |
4596 | } | |
4597 | ||
4598 | static int omap_validate_emifs_addr(struct omap_mpu_state_s *s, | |
4599 | target_phys_addr_t addr) | |
4600 | { | |
4601 | return addr >= OMAP_EMIFS_BASE && addr < OMAP_EMIFF_BASE; | |
4602 | } | |
4603 | ||
4604 | static int omap_validate_imif_addr(struct omap_mpu_state_s *s, | |
4605 | target_phys_addr_t addr) | |
4606 | { | |
4607 | return addr >= OMAP_IMIF_BASE && addr < OMAP_IMIF_BASE + s->sram_size; | |
4608 | } | |
4609 | ||
4610 | static int omap_validate_tipb_addr(struct omap_mpu_state_s *s, | |
4611 | target_phys_addr_t addr) | |
4612 | { | |
4613 | return addr >= 0xfffb0000 && addr < 0xffff0000; | |
4614 | } | |
4615 | ||
4616 | static int omap_validate_local_addr(struct omap_mpu_state_s *s, | |
4617 | target_phys_addr_t addr) | |
4618 | { | |
4619 | return addr >= OMAP_LOCALBUS_BASE && addr < OMAP_LOCALBUS_BASE + 0x1000000; | |
4620 | } | |
4621 | ||
4622 | static int omap_validate_tipb_mpui_addr(struct omap_mpu_state_s *s, | |
4623 | target_phys_addr_t addr) | |
4624 | { | |
4625 | return addr >= 0xe1010000 && addr < 0xe1020004; | |
4626 | } | |
4627 | ||
c3d2689d AZ |
4628 | struct omap_mpu_state_s *omap310_mpu_init(unsigned long sdram_size, |
4629 | DisplayState *ds, const char *core) | |
4630 | { | |
089b7c0a | 4631 | int i; |
c3d2689d AZ |
4632 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) |
4633 | qemu_mallocz(sizeof(struct omap_mpu_state_s)); | |
4634 | ram_addr_t imif_base, emiff_base; | |
106627d0 | 4635 | qemu_irq *cpu_irq; |
089b7c0a | 4636 | qemu_irq dma_irqs[6]; |
9d413d1d | 4637 | int sdindex; |
106627d0 | 4638 | |
aaed909a FB |
4639 | if (!core) |
4640 | core = "ti925t"; | |
c3d2689d AZ |
4641 | |
4642 | /* Core */ | |
4643 | s->mpu_model = omap310; | |
aaed909a FB |
4644 | s->env = cpu_init(core); |
4645 | if (!s->env) { | |
4646 | fprintf(stderr, "Unable to find CPU definition\n"); | |
4647 | exit(1); | |
4648 | } | |
c3d2689d AZ |
4649 | s->sdram_size = sdram_size; |
4650 | s->sram_size = OMAP15XX_SRAM_SIZE; | |
4651 | ||
fe71e81a AZ |
4652 | s->wakeup = qemu_allocate_irqs(omap_mpu_wakeup, s, 1)[0]; |
4653 | ||
c3d2689d AZ |
4654 | /* Clocks */ |
4655 | omap_clk_init(s); | |
4656 | ||
4657 | /* Memory-mapped stuff */ | |
4658 | cpu_register_physical_memory(OMAP_EMIFF_BASE, s->sdram_size, | |
4659 | (emiff_base = qemu_ram_alloc(s->sdram_size)) | IO_MEM_RAM); | |
4660 | cpu_register_physical_memory(OMAP_IMIF_BASE, s->sram_size, | |
4661 | (imif_base = qemu_ram_alloc(s->sram_size)) | IO_MEM_RAM); | |
4662 | ||
4663 | omap_clkm_init(0xfffece00, 0xe1008000, s); | |
4664 | ||
106627d0 | 4665 | cpu_irq = arm_pic_init_cpu(s->env); |
827df9f3 | 4666 | s->ih[0] = omap_inth_init(0xfffecb00, 0x100, 1, &s->irq[0], |
106627d0 | 4667 | cpu_irq[ARM_PIC_CPU_IRQ], cpu_irq[ARM_PIC_CPU_FIQ], |
c3d2689d | 4668 | omap_findclk(s, "arminth_ck")); |
827df9f3 | 4669 | s->ih[1] = omap_inth_init(0xfffe0000, 0x800, 1, &s->irq[1], |
106627d0 | 4670 | s->ih[0]->pins[OMAP_INT_15XX_IH2_IRQ], NULL, |
c3d2689d | 4671 | omap_findclk(s, "arminth_ck")); |
c3d2689d | 4672 | |
089b7c0a | 4673 | for (i = 0; i < 6; i ++) |
827df9f3 AZ |
4674 | dma_irqs[i] = |
4675 | s->irq[omap1_dma_irq_map[i].ih][omap1_dma_irq_map[i].intr]; | |
089b7c0a AZ |
4676 | s->dma = omap_dma_init(0xfffed800, dma_irqs, s->irq[0][OMAP_INT_DMA_LCD], |
4677 | s, omap_findclk(s, "dma_ck"), omap_dma_3_1); | |
4678 | ||
c3d2689d AZ |
4679 | s->port[emiff ].addr_valid = omap_validate_emiff_addr; |
4680 | s->port[emifs ].addr_valid = omap_validate_emifs_addr; | |
4681 | s->port[imif ].addr_valid = omap_validate_imif_addr; | |
4682 | s->port[tipb ].addr_valid = omap_validate_tipb_addr; | |
4683 | s->port[local ].addr_valid = omap_validate_local_addr; | |
4684 | s->port[tipb_mpui].addr_valid = omap_validate_tipb_mpui_addr; | |
4685 | ||
4686 | s->timer[0] = omap_mpu_timer_init(0xfffec500, | |
4687 | s->irq[0][OMAP_INT_TIMER1], | |
4688 | omap_findclk(s, "mputim_ck")); | |
4689 | s->timer[1] = omap_mpu_timer_init(0xfffec600, | |
4690 | s->irq[0][OMAP_INT_TIMER2], | |
4691 | omap_findclk(s, "mputim_ck")); | |
4692 | s->timer[2] = omap_mpu_timer_init(0xfffec700, | |
4693 | s->irq[0][OMAP_INT_TIMER3], | |
4694 | omap_findclk(s, "mputim_ck")); | |
4695 | ||
4696 | s->wdt = omap_wd_timer_init(0xfffec800, | |
4697 | s->irq[0][OMAP_INT_WD_TIMER], | |
4698 | omap_findclk(s, "armwdt_ck")); | |
4699 | ||
4700 | s->os_timer = omap_os_timer_init(0xfffb9000, | |
4701 | s->irq[1][OMAP_INT_OS_TIMER], | |
4702 | omap_findclk(s, "clk32-kHz")); | |
4703 | ||
4704 | s->lcd = omap_lcdc_init(0xfffec000, s->irq[0][OMAP_INT_LCD_CTRL], | |
b4e3104b | 4705 | omap_dma_get_lcdch(s->dma), ds, imif_base, emiff_base, |
c3d2689d AZ |
4706 | omap_findclk(s, "lcd_ck")); |
4707 | ||
4708 | omap_ulpd_pm_init(0xfffe0800, s); | |
4709 | omap_pin_cfg_init(0xfffe1000, s); | |
4710 | omap_id_init(s); | |
4711 | ||
4712 | omap_mpui_init(0xfffec900, s); | |
4713 | ||
4714 | s->private_tipb = omap_tipb_bridge_init(0xfffeca00, | |
4715 | s->irq[0][OMAP_INT_BRIDGE_PRIV], | |
4716 | omap_findclk(s, "tipb_ck")); | |
4717 | s->public_tipb = omap_tipb_bridge_init(0xfffed300, | |
4718 | s->irq[0][OMAP_INT_BRIDGE_PUB], | |
4719 | omap_findclk(s, "tipb_ck")); | |
4720 | ||
4721 | omap_tcmi_init(0xfffecc00, s); | |
4722 | ||
d951f6ff | 4723 | s->uart[0] = omap_uart_init(0xfffb0000, s->irq[1][OMAP_INT_UART1], |
c3d2689d | 4724 | omap_findclk(s, "uart1_ck"), |
827df9f3 AZ |
4725 | omap_findclk(s, "uart1_ck"), |
4726 | s->drq[OMAP_DMA_UART1_TX], s->drq[OMAP_DMA_UART1_RX], | |
c3d2689d | 4727 | serial_hds[0]); |
d951f6ff | 4728 | s->uart[1] = omap_uart_init(0xfffb0800, s->irq[1][OMAP_INT_UART2], |
c3d2689d | 4729 | omap_findclk(s, "uart2_ck"), |
827df9f3 AZ |
4730 | omap_findclk(s, "uart2_ck"), |
4731 | s->drq[OMAP_DMA_UART2_TX], s->drq[OMAP_DMA_UART2_RX], | |
c3d2689d | 4732 | serial_hds[0] ? serial_hds[1] : 0); |
d951f6ff | 4733 | s->uart[2] = omap_uart_init(0xe1019800, s->irq[0][OMAP_INT_UART3], |
c3d2689d | 4734 | omap_findclk(s, "uart3_ck"), |
827df9f3 AZ |
4735 | omap_findclk(s, "uart3_ck"), |
4736 | s->drq[OMAP_DMA_UART3_TX], s->drq[OMAP_DMA_UART3_RX], | |
c3d2689d AZ |
4737 | serial_hds[0] && serial_hds[1] ? serial_hds[2] : 0); |
4738 | ||
4739 | omap_dpll_init(&s->dpll[0], 0xfffecf00, omap_findclk(s, "dpll1")); | |
4740 | omap_dpll_init(&s->dpll[1], 0xfffed000, omap_findclk(s, "dpll2")); | |
4741 | omap_dpll_init(&s->dpll[2], 0xfffed100, omap_findclk(s, "dpll3")); | |
4742 | ||
9d413d1d AZ |
4743 | sdindex = drive_get_index(IF_SD, 0, 0); |
4744 | if (sdindex == -1) { | |
e4bcb14c TS |
4745 | fprintf(stderr, "qemu: missing SecureDigital device\n"); |
4746 | exit(1); | |
4747 | } | |
9d413d1d AZ |
4748 | s->mmc = omap_mmc_init(0xfffb7800, drives_table[sdindex].bdrv, |
4749 | s->irq[1][OMAP_INT_OQN], &s->drq[OMAP_DMA_MMC_TX], | |
4750 | omap_findclk(s, "mmc_ck")); | |
b30bb3a2 | 4751 | |
fe71e81a AZ |
4752 | s->mpuio = omap_mpuio_init(0xfffb5000, |
4753 | s->irq[1][OMAP_INT_KEYBOARD], s->irq[1][OMAP_INT_MPUIO], | |
4754 | s->wakeup, omap_findclk(s, "clk32-kHz")); | |
4755 | ||
3efda49d | 4756 | s->gpio = omap_gpio_init(0xfffce000, s->irq[0][OMAP_INT_GPIO_BANK1], |
66450b15 | 4757 | omap_findclk(s, "arm_gpio_ck")); |
64330148 | 4758 | |
d951f6ff AZ |
4759 | s->microwire = omap_uwire_init(0xfffb3000, &s->irq[1][OMAP_INT_uWireTX], |
4760 | s->drq[OMAP_DMA_UWIRE_TX], omap_findclk(s, "mpuper_ck")); | |
4761 | ||
d8f699cb AZ |
4762 | omap_pwl_init(0xfffb5800, s, omap_findclk(s, "armxor_ck")); |
4763 | omap_pwt_init(0xfffb6000, s, omap_findclk(s, "armxor_ck")); | |
66450b15 | 4764 | |
827df9f3 | 4765 | s->i2c[0] = omap_i2c_init(0xfffb3800, s->irq[1][OMAP_INT_I2C], |
4a2c8ac2 AZ |
4766 | &s->drq[OMAP_DMA_I2C_RX], omap_findclk(s, "mpuper_ck")); |
4767 | ||
5c1c390f AZ |
4768 | s->rtc = omap_rtc_init(0xfffb4800, &s->irq[1][OMAP_INT_RTC_TIMER], |
4769 | omap_findclk(s, "clk32-kHz")); | |
02645926 | 4770 | |
d8f699cb AZ |
4771 | s->mcbsp1 = omap_mcbsp_init(0xfffb1800, &s->irq[1][OMAP_INT_McBSP1TX], |
4772 | &s->drq[OMAP_DMA_MCBSP1_TX], omap_findclk(s, "dspxor_ck")); | |
4773 | s->mcbsp2 = omap_mcbsp_init(0xfffb1000, &s->irq[0][OMAP_INT_310_McBSP2_TX], | |
4774 | &s->drq[OMAP_DMA_MCBSP2_TX], omap_findclk(s, "mpuper_ck")); | |
4775 | s->mcbsp3 = omap_mcbsp_init(0xfffb7000, &s->irq[1][OMAP_INT_McBSP3TX], | |
4776 | &s->drq[OMAP_DMA_MCBSP3_TX], omap_findclk(s, "dspxor_ck")); | |
4777 | ||
f9d43072 AZ |
4778 | s->led[0] = omap_lpg_init(0xfffbd000, omap_findclk(s, "clk32-kHz")); |
4779 | s->led[1] = omap_lpg_init(0xfffbd800, omap_findclk(s, "clk32-kHz")); | |
4780 | ||
02645926 | 4781 | /* Register mappings not currenlty implemented: |
02645926 AZ |
4782 | * MCSI2 Comm fffb2000 - fffb27ff (not mapped on OMAP310) |
4783 | * MCSI1 Bluetooth fffb2800 - fffb2fff (not mapped on OMAP310) | |
4784 | * USB W2FC fffb4000 - fffb47ff | |
4785 | * Camera Interface fffb6800 - fffb6fff | |
02645926 AZ |
4786 | * USB Host fffba000 - fffba7ff |
4787 | * FAC fffba800 - fffbafff | |
4788 | * HDQ/1-Wire fffbc000 - fffbc7ff | |
b854bc19 | 4789 | * TIPB switches fffbc800 - fffbcfff |
02645926 AZ |
4790 | * Mailbox fffcf000 - fffcf7ff |
4791 | * Local bus IF fffec100 - fffec1ff | |
4792 | * Local bus MMU fffec200 - fffec2ff | |
4793 | * DSP MMU fffed200 - fffed2ff | |
4794 | */ | |
4795 | ||
cf965d24 | 4796 | omap_setup_dsp_mapping(omap15xx_dsp_mm); |
f9d43072 | 4797 | omap_setup_mpui_io(s); |
cf965d24 | 4798 | |
827df9f3 | 4799 | qemu_register_reset(omap1_mpu_reset, s); |
c3d2689d AZ |
4800 | |
4801 | return s; | |
4802 | } |