]>
Commit | Line | Data |
---|---|---|
c3d2689d AZ |
1 | /* |
2 | * TI OMAP processors emulation. | |
3 | * | |
4 | * Copyright (C) 2006-2007 Andrzej Zaborowski <[email protected]> | |
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 | |
8 | * published by the Free Software Foundation; either version 2 of | |
9 | * the License, or (at your option) any later version. | |
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 | */ | |
21 | #include "vl.h" | |
22 | #include "arm_pic.h" | |
23 | ||
24 | /* Should signal the TCMI */ | |
66450b15 AZ |
25 | uint32_t omap_badwidth_read8(void *opaque, target_phys_addr_t addr) |
26 | { | |
27 | OMAP_8B_REG(addr); | |
28 | return 0; | |
29 | } | |
30 | ||
31 | void omap_badwidth_write8(void *opaque, target_phys_addr_t addr, | |
32 | uint32_t value) | |
33 | { | |
34 | OMAP_8B_REG(addr); | |
35 | } | |
36 | ||
b30bb3a2 | 37 | uint32_t omap_badwidth_read16(void *opaque, target_phys_addr_t addr) |
c3d2689d AZ |
38 | { |
39 | OMAP_16B_REG(addr); | |
40 | return 0; | |
41 | } | |
42 | ||
b30bb3a2 | 43 | void omap_badwidth_write16(void *opaque, target_phys_addr_t addr, |
c3d2689d AZ |
44 | uint32_t value) |
45 | { | |
46 | OMAP_16B_REG(addr); | |
47 | } | |
48 | ||
b30bb3a2 | 49 | uint32_t omap_badwidth_read32(void *opaque, target_phys_addr_t addr) |
c3d2689d AZ |
50 | { |
51 | OMAP_32B_REG(addr); | |
52 | return 0; | |
53 | } | |
54 | ||
b30bb3a2 | 55 | void omap_badwidth_write32(void *opaque, target_phys_addr_t addr, |
c3d2689d AZ |
56 | uint32_t value) |
57 | { | |
58 | OMAP_32B_REG(addr); | |
59 | } | |
60 | ||
c3d2689d AZ |
61 | /* Interrupt Handlers */ |
62 | struct omap_intr_handler_s { | |
63 | qemu_irq *pins; | |
64 | qemu_irq *parent_pic; | |
65 | target_phys_addr_t base; | |
66 | ||
67 | /* state */ | |
68 | uint32_t irqs; | |
69 | uint32_t mask; | |
70 | uint32_t sens_edge; | |
71 | uint32_t fiq; | |
72 | int priority[32]; | |
73 | uint32_t new_irq_agr; | |
74 | uint32_t new_fiq_agr; | |
75 | int sir_irq; | |
76 | int sir_fiq; | |
77 | int stats[32]; | |
78 | }; | |
79 | ||
80 | static void omap_inth_update(struct omap_intr_handler_s *s) | |
81 | { | |
cfa0b71d AZ |
82 | uint32_t irq = s->irqs & ~s->mask & ~s->fiq; |
83 | uint32_t fiq = s->irqs & ~s->mask & s->fiq; | |
c3d2689d | 84 | |
cfa0b71d AZ |
85 | if (s->new_irq_agr || !irq) { |
86 | qemu_set_irq(s->parent_pic[ARM_PIC_CPU_IRQ], irq); | |
87 | if (irq) | |
88 | s->new_irq_agr = 0; | |
89 | } | |
c3d2689d | 90 | |
cfa0b71d AZ |
91 | if (s->new_fiq_agr || !irq) { |
92 | qemu_set_irq(s->parent_pic[ARM_PIC_CPU_FIQ], fiq); | |
93 | if (fiq) | |
94 | s->new_fiq_agr = 0; | |
95 | } | |
c3d2689d AZ |
96 | } |
97 | ||
98 | static void omap_inth_sir_update(struct omap_intr_handler_s *s) | |
99 | { | |
100 | int i, intr_irq, intr_fiq, p_irq, p_fiq, p, f; | |
101 | uint32_t level = s->irqs & ~s->mask; | |
102 | ||
103 | intr_irq = 0; | |
104 | intr_fiq = 0; | |
105 | p_irq = -1; | |
106 | p_fiq = -1; | |
107 | /* Find the interrupt line with the highest dynamic priority */ | |
108 | for (f = ffs(level), i = f - 1, level >>= f - 1; f; i += f, level >>= f) { | |
109 | p = s->priority[i]; | |
110 | if (s->fiq & (1 << i)) { | |
111 | if (p > p_fiq) { | |
112 | p_fiq = p; | |
113 | intr_fiq = i; | |
114 | } | |
115 | } else { | |
116 | if (p > p_irq) { | |
117 | p_irq = p; | |
118 | intr_irq = i; | |
119 | } | |
120 | } | |
121 | ||
122 | f = ffs(level >> 1); | |
123 | } | |
124 | ||
125 | s->sir_irq = intr_irq; | |
126 | s->sir_fiq = intr_fiq; | |
127 | } | |
128 | ||
129 | #define INT_FALLING_EDGE 0 | |
130 | #define INT_LOW_LEVEL 1 | |
131 | ||
132 | static void omap_set_intr(void *opaque, int irq, int req) | |
133 | { | |
134 | struct omap_intr_handler_s *ih = (struct omap_intr_handler_s *) opaque; | |
135 | uint32_t rise; | |
136 | ||
137 | if (req) { | |
138 | rise = ~ih->irqs & (1 << irq); | |
139 | ih->irqs |= rise; | |
cfa0b71d | 140 | ih->stats[irq] += !!rise; |
c3d2689d AZ |
141 | } else { |
142 | rise = ih->sens_edge & ih->irqs & (1 << irq); | |
143 | ih->irqs &= ~rise; | |
144 | } | |
145 | ||
146 | if (rise & ~ih->mask) { | |
147 | omap_inth_sir_update(ih); | |
148 | ||
149 | omap_inth_update(ih); | |
150 | } | |
151 | } | |
152 | ||
153 | static uint32_t omap_inth_read(void *opaque, target_phys_addr_t addr) | |
154 | { | |
155 | struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque; | |
156 | int i, offset = addr - s->base; | |
157 | ||
158 | switch (offset) { | |
159 | case 0x00: /* ITR */ | |
160 | return s->irqs; | |
161 | ||
162 | case 0x04: /* MIR */ | |
163 | return s->mask; | |
164 | ||
165 | case 0x10: /* SIR_IRQ_CODE */ | |
166 | i = s->sir_irq; | |
167 | if (((s->sens_edge >> i) & 1) == INT_FALLING_EDGE && i) { | |
168 | s->irqs &= ~(1 << i); | |
169 | omap_inth_sir_update(s); | |
170 | omap_inth_update(s); | |
171 | } | |
172 | return i; | |
173 | ||
174 | case 0x14: /* SIR_FIQ_CODE */ | |
175 | i = s->sir_fiq; | |
176 | if (((s->sens_edge >> i) & 1) == INT_FALLING_EDGE && i) { | |
177 | s->irqs &= ~(1 << i); | |
178 | omap_inth_sir_update(s); | |
179 | omap_inth_update(s); | |
180 | } | |
181 | return i; | |
182 | ||
183 | case 0x18: /* CONTROL_REG */ | |
184 | return 0; | |
185 | ||
186 | case 0x1c: /* ILR0 */ | |
187 | case 0x20: /* ILR1 */ | |
188 | case 0x24: /* ILR2 */ | |
189 | case 0x28: /* ILR3 */ | |
190 | case 0x2c: /* ILR4 */ | |
191 | case 0x30: /* ILR5 */ | |
192 | case 0x34: /* ILR6 */ | |
193 | case 0x38: /* ILR7 */ | |
194 | case 0x3c: /* ILR8 */ | |
195 | case 0x40: /* ILR9 */ | |
196 | case 0x44: /* ILR10 */ | |
197 | case 0x48: /* ILR11 */ | |
198 | case 0x4c: /* ILR12 */ | |
199 | case 0x50: /* ILR13 */ | |
200 | case 0x54: /* ILR14 */ | |
201 | case 0x58: /* ILR15 */ | |
202 | case 0x5c: /* ILR16 */ | |
203 | case 0x60: /* ILR17 */ | |
204 | case 0x64: /* ILR18 */ | |
205 | case 0x68: /* ILR19 */ | |
206 | case 0x6c: /* ILR20 */ | |
207 | case 0x70: /* ILR21 */ | |
208 | case 0x74: /* ILR22 */ | |
209 | case 0x78: /* ILR23 */ | |
210 | case 0x7c: /* ILR24 */ | |
211 | case 0x80: /* ILR25 */ | |
212 | case 0x84: /* ILR26 */ | |
213 | case 0x88: /* ILR27 */ | |
214 | case 0x8c: /* ILR28 */ | |
215 | case 0x90: /* ILR29 */ | |
216 | case 0x94: /* ILR30 */ | |
217 | case 0x98: /* ILR31 */ | |
218 | i = (offset - 0x1c) >> 2; | |
219 | return (s->priority[i] << 2) | | |
220 | (((s->sens_edge >> i) & 1) << 1) | | |
221 | ((s->fiq >> i) & 1); | |
222 | ||
223 | case 0x9c: /* ISR */ | |
224 | return 0x00000000; | |
225 | ||
226 | default: | |
227 | OMAP_BAD_REG(addr); | |
228 | break; | |
229 | } | |
230 | return 0; | |
231 | } | |
232 | ||
233 | static void omap_inth_write(void *opaque, target_phys_addr_t addr, | |
234 | uint32_t value) | |
235 | { | |
236 | struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque; | |
237 | int i, offset = addr - s->base; | |
238 | ||
239 | switch (offset) { | |
240 | case 0x00: /* ITR */ | |
241 | s->irqs &= value; | |
242 | omap_inth_sir_update(s); | |
243 | omap_inth_update(s); | |
244 | return; | |
245 | ||
246 | case 0x04: /* MIR */ | |
247 | s->mask = value; | |
248 | omap_inth_sir_update(s); | |
249 | omap_inth_update(s); | |
250 | return; | |
251 | ||
252 | case 0x10: /* SIR_IRQ_CODE */ | |
253 | case 0x14: /* SIR_FIQ_CODE */ | |
254 | OMAP_RO_REG(addr); | |
255 | break; | |
256 | ||
257 | case 0x18: /* CONTROL_REG */ | |
258 | if (value & 2) | |
259 | s->new_fiq_agr = ~0; | |
260 | if (value & 1) | |
261 | s->new_irq_agr = ~0; | |
262 | omap_inth_update(s); | |
263 | return; | |
264 | ||
265 | case 0x1c: /* ILR0 */ | |
266 | case 0x20: /* ILR1 */ | |
267 | case 0x24: /* ILR2 */ | |
268 | case 0x28: /* ILR3 */ | |
269 | case 0x2c: /* ILR4 */ | |
270 | case 0x30: /* ILR5 */ | |
271 | case 0x34: /* ILR6 */ | |
272 | case 0x38: /* ILR7 */ | |
273 | case 0x3c: /* ILR8 */ | |
274 | case 0x40: /* ILR9 */ | |
275 | case 0x44: /* ILR10 */ | |
276 | case 0x48: /* ILR11 */ | |
277 | case 0x4c: /* ILR12 */ | |
278 | case 0x50: /* ILR13 */ | |
279 | case 0x54: /* ILR14 */ | |
280 | case 0x58: /* ILR15 */ | |
281 | case 0x5c: /* ILR16 */ | |
282 | case 0x60: /* ILR17 */ | |
283 | case 0x64: /* ILR18 */ | |
284 | case 0x68: /* ILR19 */ | |
285 | case 0x6c: /* ILR20 */ | |
286 | case 0x70: /* ILR21 */ | |
287 | case 0x74: /* ILR22 */ | |
288 | case 0x78: /* ILR23 */ | |
289 | case 0x7c: /* ILR24 */ | |
290 | case 0x80: /* ILR25 */ | |
291 | case 0x84: /* ILR26 */ | |
292 | case 0x88: /* ILR27 */ | |
293 | case 0x8c: /* ILR28 */ | |
294 | case 0x90: /* ILR29 */ | |
295 | case 0x94: /* ILR30 */ | |
296 | case 0x98: /* ILR31 */ | |
297 | i = (offset - 0x1c) >> 2; | |
298 | s->priority[i] = (value >> 2) & 0x1f; | |
299 | s->sens_edge &= ~(1 << i); | |
300 | s->sens_edge |= ((value >> 1) & 1) << i; | |
301 | s->fiq &= ~(1 << i); | |
302 | s->fiq |= (value & 1) << i; | |
303 | return; | |
304 | ||
305 | case 0x9c: /* ISR */ | |
306 | for (i = 0; i < 32; i ++) | |
307 | if (value & (1 << i)) { | |
308 | omap_set_intr(s, i, 1); | |
309 | return; | |
310 | } | |
311 | return; | |
312 | ||
313 | default: | |
314 | OMAP_BAD_REG(addr); | |
315 | } | |
316 | } | |
317 | ||
318 | static CPUReadMemoryFunc *omap_inth_readfn[] = { | |
319 | omap_badwidth_read32, | |
320 | omap_badwidth_read32, | |
321 | omap_inth_read, | |
322 | }; | |
323 | ||
324 | static CPUWriteMemoryFunc *omap_inth_writefn[] = { | |
325 | omap_inth_write, | |
326 | omap_inth_write, | |
327 | omap_inth_write, | |
328 | }; | |
329 | ||
330 | static void omap_inth_reset(struct omap_intr_handler_s *s) | |
331 | { | |
332 | s->irqs = 0x00000000; | |
333 | s->mask = 0xffffffff; | |
334 | s->sens_edge = 0x00000000; | |
335 | s->fiq = 0x00000000; | |
336 | memset(s->priority, 0, sizeof(s->priority)); | |
337 | s->new_irq_agr = ~0; | |
338 | s->new_fiq_agr = ~0; | |
339 | s->sir_irq = 0; | |
340 | s->sir_fiq = 0; | |
341 | ||
342 | omap_inth_update(s); | |
343 | } | |
344 | ||
345 | struct omap_intr_handler_s *omap_inth_init(target_phys_addr_t base, | |
346 | unsigned long size, qemu_irq parent[2], omap_clk clk) | |
347 | { | |
348 | int iomemtype; | |
349 | struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) | |
350 | qemu_mallocz(sizeof(struct omap_intr_handler_s)); | |
351 | ||
352 | s->parent_pic = parent; | |
353 | s->base = base; | |
354 | s->pins = qemu_allocate_irqs(omap_set_intr, s, 32); | |
355 | omap_inth_reset(s); | |
356 | ||
357 | iomemtype = cpu_register_io_memory(0, omap_inth_readfn, | |
358 | omap_inth_writefn, s); | |
359 | cpu_register_physical_memory(s->base, size, iomemtype); | |
360 | ||
361 | return s; | |
362 | } | |
363 | ||
364 | /* OMAP1 DMA module */ | |
365 | typedef enum { | |
366 | constant = 0, | |
367 | post_incremented, | |
368 | single_index, | |
369 | double_index, | |
370 | } omap_dma_addressing_t; | |
371 | ||
372 | struct omap_dma_channel_s { | |
373 | int burst[2]; | |
374 | int pack[2]; | |
375 | enum omap_dma_port port[2]; | |
376 | target_phys_addr_t addr[2]; | |
377 | omap_dma_addressing_t mode[2]; | |
378 | int data_type; | |
379 | int end_prog; | |
380 | int repeat; | |
381 | int auto_init; | |
382 | int priority; | |
383 | int fs; | |
384 | int sync; | |
385 | int running; | |
386 | int interrupts; | |
387 | int status; | |
388 | int signalled; | |
389 | int post_sync; | |
390 | int transfer; | |
391 | uint16_t elements; | |
392 | uint16_t frames; | |
393 | uint16_t frame_index; | |
394 | uint16_t element_index; | |
395 | uint16_t cpc; | |
396 | ||
397 | struct omap_dma_reg_set_s { | |
398 | target_phys_addr_t src, dest; | |
399 | int frame; | |
400 | int element; | |
401 | int frame_delta[2]; | |
402 | int elem_delta[2]; | |
403 | int frames; | |
404 | int elements; | |
405 | } active_set; | |
406 | }; | |
407 | ||
408 | struct omap_dma_s { | |
409 | qemu_irq *ih; | |
410 | QEMUTimer *tm; | |
411 | struct omap_mpu_state_s *mpu; | |
412 | target_phys_addr_t base; | |
413 | omap_clk clk; | |
414 | int64_t delay; | |
1af2b62d | 415 | uint32_t drq; |
c3d2689d AZ |
416 | |
417 | uint16_t gcr; | |
418 | int run_count; | |
419 | ||
420 | int chans; | |
421 | struct omap_dma_channel_s ch[16]; | |
422 | struct omap_dma_lcd_channel_s lcd_ch; | |
423 | }; | |
424 | ||
425 | static void omap_dma_interrupts_update(struct omap_dma_s *s) | |
426 | { | |
427 | /* First three interrupts are shared between two channels each. */ | |
428 | qemu_set_irq(s->ih[OMAP_INT_DMA_CH0_6], | |
429 | (s->ch[0].status | s->ch[6].status) & 0x3f); | |
430 | qemu_set_irq(s->ih[OMAP_INT_DMA_CH1_7], | |
431 | (s->ch[1].status | s->ch[7].status) & 0x3f); | |
432 | qemu_set_irq(s->ih[OMAP_INT_DMA_CH2_8], | |
433 | (s->ch[2].status | s->ch[8].status) & 0x3f); | |
434 | qemu_set_irq(s->ih[OMAP_INT_DMA_CH3], | |
435 | (s->ch[3].status) & 0x3f); | |
436 | qemu_set_irq(s->ih[OMAP_INT_DMA_CH4], | |
437 | (s->ch[4].status) & 0x3f); | |
438 | qemu_set_irq(s->ih[OMAP_INT_DMA_CH5], | |
439 | (s->ch[5].status) & 0x3f); | |
440 | } | |
441 | ||
442 | static void omap_dma_channel_load(struct omap_dma_s *s, int ch) | |
443 | { | |
444 | struct omap_dma_reg_set_s *a = &s->ch[ch].active_set; | |
445 | int i; | |
446 | ||
447 | /* | |
448 | * TODO: verify address ranges and alignment | |
449 | * TODO: port endianness | |
450 | */ | |
451 | ||
452 | a->src = s->ch[ch].addr[0]; | |
453 | a->dest = s->ch[ch].addr[1]; | |
454 | a->frames = s->ch[ch].frames; | |
455 | a->elements = s->ch[ch].elements; | |
456 | a->frame = 0; | |
457 | a->element = 0; | |
458 | ||
459 | if (unlikely(!s->ch[ch].elements || !s->ch[ch].frames)) { | |
460 | printf("%s: bad DMA request\n", __FUNCTION__); | |
461 | return; | |
462 | } | |
463 | ||
464 | for (i = 0; i < 2; i ++) | |
465 | switch (s->ch[ch].mode[i]) { | |
466 | case constant: | |
467 | a->elem_delta[i] = 0; | |
468 | a->frame_delta[i] = 0; | |
469 | break; | |
470 | case post_incremented: | |
471 | a->elem_delta[i] = s->ch[ch].data_type; | |
472 | a->frame_delta[i] = 0; | |
473 | break; | |
474 | case single_index: | |
475 | a->elem_delta[i] = s->ch[ch].data_type + | |
476 | s->ch[ch].element_index - 1; | |
477 | if (s->ch[ch].element_index > 0x7fff) | |
478 | a->elem_delta[i] -= 0x10000; | |
479 | a->frame_delta[i] = 0; | |
480 | break; | |
481 | case double_index: | |
482 | a->elem_delta[i] = s->ch[ch].data_type + | |
483 | s->ch[ch].element_index - 1; | |
484 | if (s->ch[ch].element_index > 0x7fff) | |
485 | a->elem_delta[i] -= 0x10000; | |
486 | a->frame_delta[i] = s->ch[ch].frame_index - | |
487 | s->ch[ch].element_index; | |
488 | if (s->ch[ch].frame_index > 0x7fff) | |
489 | a->frame_delta[i] -= 0x10000; | |
490 | break; | |
491 | default: | |
492 | break; | |
493 | } | |
494 | } | |
495 | ||
496 | static inline void omap_dma_request_run(struct omap_dma_s *s, | |
497 | int channel, int request) | |
498 | { | |
499 | next_channel: | |
500 | if (request > 0) | |
501 | for (; channel < 9; channel ++) | |
502 | if (s->ch[channel].sync == request && s->ch[channel].running) | |
503 | break; | |
504 | if (channel >= 9) | |
505 | return; | |
506 | ||
507 | if (s->ch[channel].transfer) { | |
508 | if (request > 0) { | |
509 | s->ch[channel ++].post_sync = request; | |
510 | goto next_channel; | |
511 | } | |
512 | s->ch[channel].status |= 0x02; /* Synchronisation drop */ | |
513 | omap_dma_interrupts_update(s); | |
514 | return; | |
515 | } | |
516 | ||
517 | if (!s->ch[channel].signalled) | |
518 | s->run_count ++; | |
519 | s->ch[channel].signalled = 1; | |
520 | ||
521 | if (request > 0) | |
522 | s->ch[channel].status |= 0x40; /* External request */ | |
523 | ||
1af2b62d | 524 | if (s->delay && !qemu_timer_pending(s->tm)) |
c3d2689d AZ |
525 | qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay); |
526 | ||
527 | if (request > 0) { | |
528 | channel ++; | |
529 | goto next_channel; | |
530 | } | |
531 | } | |
532 | ||
533 | static inline void omap_dma_request_stop(struct omap_dma_s *s, int channel) | |
534 | { | |
535 | if (s->ch[channel].signalled) | |
536 | s->run_count --; | |
537 | s->ch[channel].signalled = 0; | |
538 | ||
539 | if (!s->run_count) | |
540 | qemu_del_timer(s->tm); | |
541 | } | |
542 | ||
543 | static void omap_dma_channel_run(struct omap_dma_s *s) | |
544 | { | |
545 | int ch; | |
546 | uint16_t status; | |
547 | uint8_t value[4]; | |
548 | struct omap_dma_port_if_s *src_p, *dest_p; | |
549 | struct omap_dma_reg_set_s *a; | |
550 | ||
551 | for (ch = 0; ch < 9; ch ++) { | |
552 | a = &s->ch[ch].active_set; | |
553 | ||
554 | src_p = &s->mpu->port[s->ch[ch].port[0]]; | |
555 | dest_p = &s->mpu->port[s->ch[ch].port[1]]; | |
556 | if (s->ch[ch].signalled && (!src_p->addr_valid(s->mpu, a->src) || | |
557 | !dest_p->addr_valid(s->mpu, a->dest))) { | |
558 | #if 0 | |
559 | /* Bus time-out */ | |
560 | if (s->ch[ch].interrupts & 0x01) | |
561 | s->ch[ch].status |= 0x01; | |
562 | omap_dma_request_stop(s, ch); | |
563 | continue; | |
564 | #endif | |
565 | printf("%s: Bus time-out in DMA%i operation\n", __FUNCTION__, ch); | |
566 | } | |
567 | ||
568 | status = s->ch[ch].status; | |
569 | while (status == s->ch[ch].status && s->ch[ch].signalled) { | |
570 | /* Transfer a single element */ | |
571 | s->ch[ch].transfer = 1; | |
572 | cpu_physical_memory_read(a->src, value, s->ch[ch].data_type); | |
573 | cpu_physical_memory_write(a->dest, value, s->ch[ch].data_type); | |
574 | s->ch[ch].transfer = 0; | |
575 | ||
576 | a->src += a->elem_delta[0]; | |
577 | a->dest += a->elem_delta[1]; | |
578 | a->element ++; | |
579 | ||
580 | /* Check interrupt conditions */ | |
581 | if (a->element == a->elements) { | |
582 | a->element = 0; | |
583 | a->src += a->frame_delta[0]; | |
584 | a->dest += a->frame_delta[1]; | |
585 | a->frame ++; | |
586 | ||
587 | if (a->frame == a->frames) { | |
588 | if (!s->ch[ch].repeat || !s->ch[ch].auto_init) | |
589 | s->ch[ch].running = 0; | |
590 | ||
591 | if (s->ch[ch].auto_init && | |
592 | (s->ch[ch].repeat || | |
593 | s->ch[ch].end_prog)) | |
594 | omap_dma_channel_load(s, ch); | |
595 | ||
596 | if (s->ch[ch].interrupts & 0x20) | |
597 | s->ch[ch].status |= 0x20; | |
598 | ||
599 | if (!s->ch[ch].sync) | |
600 | omap_dma_request_stop(s, ch); | |
601 | } | |
602 | ||
603 | if (s->ch[ch].interrupts & 0x08) | |
604 | s->ch[ch].status |= 0x08; | |
605 | ||
1af2b62d AZ |
606 | if (s->ch[ch].sync && s->ch[ch].fs && |
607 | !(s->drq & (1 << s->ch[ch].sync))) { | |
c3d2689d AZ |
608 | s->ch[ch].status &= ~0x40; |
609 | omap_dma_request_stop(s, ch); | |
610 | } | |
611 | } | |
612 | ||
613 | if (a->element == 1 && a->frame == a->frames - 1) | |
614 | if (s->ch[ch].interrupts & 0x10) | |
615 | s->ch[ch].status |= 0x10; | |
616 | ||
617 | if (a->element == (a->elements >> 1)) | |
618 | if (s->ch[ch].interrupts & 0x04) | |
619 | s->ch[ch].status |= 0x04; | |
620 | ||
1af2b62d AZ |
621 | if (s->ch[ch].sync && !s->ch[ch].fs && |
622 | !(s->drq & (1 << s->ch[ch].sync))) { | |
c3d2689d AZ |
623 | s->ch[ch].status &= ~0x40; |
624 | omap_dma_request_stop(s, ch); | |
625 | } | |
626 | ||
627 | /* | |
628 | * Process requests made while the element was | |
629 | * being transferred. | |
630 | */ | |
631 | if (s->ch[ch].post_sync) { | |
632 | omap_dma_request_run(s, 0, s->ch[ch].post_sync); | |
633 | s->ch[ch].post_sync = 0; | |
634 | } | |
635 | ||
636 | #if 0 | |
637 | break; | |
638 | #endif | |
639 | } | |
640 | ||
641 | s->ch[ch].cpc = a->dest & 0x0000ffff; | |
642 | } | |
643 | ||
644 | omap_dma_interrupts_update(s); | |
645 | if (s->run_count && s->delay) | |
646 | qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay); | |
647 | } | |
648 | ||
649 | static int omap_dma_ch_reg_read(struct omap_dma_s *s, | |
650 | int ch, int reg, uint16_t *value) { | |
651 | switch (reg) { | |
652 | case 0x00: /* SYS_DMA_CSDP_CH0 */ | |
653 | *value = (s->ch[ch].burst[1] << 14) | | |
654 | (s->ch[ch].pack[1] << 13) | | |
655 | (s->ch[ch].port[1] << 9) | | |
656 | (s->ch[ch].burst[0] << 7) | | |
657 | (s->ch[ch].pack[0] << 6) | | |
658 | (s->ch[ch].port[0] << 2) | | |
659 | (s->ch[ch].data_type >> 1); | |
660 | break; | |
661 | ||
662 | case 0x02: /* SYS_DMA_CCR_CH0 */ | |
663 | *value = (s->ch[ch].mode[1] << 14) | | |
664 | (s->ch[ch].mode[0] << 12) | | |
665 | (s->ch[ch].end_prog << 11) | | |
666 | (s->ch[ch].repeat << 9) | | |
667 | (s->ch[ch].auto_init << 8) | | |
668 | (s->ch[ch].running << 7) | | |
669 | (s->ch[ch].priority << 6) | | |
670 | (s->ch[ch].fs << 5) | s->ch[ch].sync; | |
671 | break; | |
672 | ||
673 | case 0x04: /* SYS_DMA_CICR_CH0 */ | |
674 | *value = s->ch[ch].interrupts; | |
675 | break; | |
676 | ||
677 | case 0x06: /* SYS_DMA_CSR_CH0 */ | |
678 | /* FIXME: shared CSR for channels sharing the interrupts */ | |
679 | *value = s->ch[ch].status; | |
680 | s->ch[ch].status &= 0x40; | |
681 | omap_dma_interrupts_update(s); | |
682 | break; | |
683 | ||
684 | case 0x08: /* SYS_DMA_CSSA_L_CH0 */ | |
685 | *value = s->ch[ch].addr[0] & 0x0000ffff; | |
686 | break; | |
687 | ||
688 | case 0x0a: /* SYS_DMA_CSSA_U_CH0 */ | |
689 | *value = s->ch[ch].addr[0] >> 16; | |
690 | break; | |
691 | ||
692 | case 0x0c: /* SYS_DMA_CDSA_L_CH0 */ | |
693 | *value = s->ch[ch].addr[1] & 0x0000ffff; | |
694 | break; | |
695 | ||
696 | case 0x0e: /* SYS_DMA_CDSA_U_CH0 */ | |
697 | *value = s->ch[ch].addr[1] >> 16; | |
698 | break; | |
699 | ||
700 | case 0x10: /* SYS_DMA_CEN_CH0 */ | |
701 | *value = s->ch[ch].elements; | |
702 | break; | |
703 | ||
704 | case 0x12: /* SYS_DMA_CFN_CH0 */ | |
705 | *value = s->ch[ch].frames; | |
706 | break; | |
707 | ||
708 | case 0x14: /* SYS_DMA_CFI_CH0 */ | |
709 | *value = s->ch[ch].frame_index; | |
710 | break; | |
711 | ||
712 | case 0x16: /* SYS_DMA_CEI_CH0 */ | |
713 | *value = s->ch[ch].element_index; | |
714 | break; | |
715 | ||
716 | case 0x18: /* SYS_DMA_CPC_CH0 */ | |
717 | *value = s->ch[ch].cpc; | |
718 | break; | |
719 | ||
720 | default: | |
721 | return 1; | |
722 | } | |
723 | return 0; | |
724 | } | |
725 | ||
726 | static int omap_dma_ch_reg_write(struct omap_dma_s *s, | |
727 | int ch, int reg, uint16_t value) { | |
728 | switch (reg) { | |
729 | case 0x00: /* SYS_DMA_CSDP_CH0 */ | |
730 | s->ch[ch].burst[1] = (value & 0xc000) >> 14; | |
731 | s->ch[ch].pack[1] = (value & 0x2000) >> 13; | |
732 | s->ch[ch].port[1] = (enum omap_dma_port) ((value & 0x1e00) >> 9); | |
733 | s->ch[ch].burst[0] = (value & 0x0180) >> 7; | |
734 | s->ch[ch].pack[0] = (value & 0x0040) >> 6; | |
735 | s->ch[ch].port[0] = (enum omap_dma_port) ((value & 0x003c) >> 2); | |
736 | s->ch[ch].data_type = (1 << (value & 3)); | |
737 | if (s->ch[ch].port[0] >= omap_dma_port_last) | |
738 | printf("%s: invalid DMA port %i\n", __FUNCTION__, | |
739 | s->ch[ch].port[0]); | |
740 | if (s->ch[ch].port[1] >= omap_dma_port_last) | |
741 | printf("%s: invalid DMA port %i\n", __FUNCTION__, | |
742 | s->ch[ch].port[1]); | |
743 | if ((value & 3) == 3) | |
744 | printf("%s: bad data_type for DMA channel %i\n", __FUNCTION__, ch); | |
745 | break; | |
746 | ||
747 | case 0x02: /* SYS_DMA_CCR_CH0 */ | |
748 | s->ch[ch].mode[1] = (omap_dma_addressing_t) ((value & 0xc000) >> 14); | |
749 | s->ch[ch].mode[0] = (omap_dma_addressing_t) ((value & 0x3000) >> 12); | |
750 | s->ch[ch].end_prog = (value & 0x0800) >> 11; | |
751 | s->ch[ch].repeat = (value & 0x0200) >> 9; | |
752 | s->ch[ch].auto_init = (value & 0x0100) >> 8; | |
753 | s->ch[ch].priority = (value & 0x0040) >> 6; | |
754 | s->ch[ch].fs = (value & 0x0020) >> 5; | |
755 | s->ch[ch].sync = value & 0x001f; | |
756 | if (value & 0x0080) { | |
757 | if (s->ch[ch].running) { | |
758 | if (!s->ch[ch].signalled && | |
759 | s->ch[ch].auto_init && s->ch[ch].end_prog) | |
760 | omap_dma_channel_load(s, ch); | |
761 | } else { | |
762 | s->ch[ch].running = 1; | |
763 | omap_dma_channel_load(s, ch); | |
764 | } | |
1af2b62d | 765 | if (!s->ch[ch].sync || (s->drq & (1 << s->ch[ch].sync))) |
c3d2689d AZ |
766 | omap_dma_request_run(s, ch, 0); |
767 | } else { | |
768 | s->ch[ch].running = 0; | |
769 | omap_dma_request_stop(s, ch); | |
770 | } | |
771 | break; | |
772 | ||
773 | case 0x04: /* SYS_DMA_CICR_CH0 */ | |
774 | s->ch[ch].interrupts = value & 0x003f; | |
775 | break; | |
776 | ||
777 | case 0x06: /* SYS_DMA_CSR_CH0 */ | |
778 | return 1; | |
779 | ||
780 | case 0x08: /* SYS_DMA_CSSA_L_CH0 */ | |
781 | s->ch[ch].addr[0] &= 0xffff0000; | |
782 | s->ch[ch].addr[0] |= value; | |
783 | break; | |
784 | ||
785 | case 0x0a: /* SYS_DMA_CSSA_U_CH0 */ | |
786 | s->ch[ch].addr[0] &= 0x0000ffff; | |
787 | s->ch[ch].addr[0] |= value << 16; | |
788 | break; | |
789 | ||
790 | case 0x0c: /* SYS_DMA_CDSA_L_CH0 */ | |
791 | s->ch[ch].addr[1] &= 0xffff0000; | |
792 | s->ch[ch].addr[1] |= value; | |
793 | break; | |
794 | ||
795 | case 0x0e: /* SYS_DMA_CDSA_U_CH0 */ | |
796 | s->ch[ch].addr[1] &= 0x0000ffff; | |
797 | s->ch[ch].addr[1] |= value << 16; | |
798 | break; | |
799 | ||
800 | case 0x10: /* SYS_DMA_CEN_CH0 */ | |
801 | s->ch[ch].elements = value & 0xffff; | |
802 | break; | |
803 | ||
804 | case 0x12: /* SYS_DMA_CFN_CH0 */ | |
805 | s->ch[ch].frames = value & 0xffff; | |
806 | break; | |
807 | ||
808 | case 0x14: /* SYS_DMA_CFI_CH0 */ | |
809 | s->ch[ch].frame_index = value & 0xffff; | |
810 | break; | |
811 | ||
812 | case 0x16: /* SYS_DMA_CEI_CH0 */ | |
813 | s->ch[ch].element_index = value & 0xffff; | |
814 | break; | |
815 | ||
816 | case 0x18: /* SYS_DMA_CPC_CH0 */ | |
817 | return 1; | |
818 | ||
819 | default: | |
820 | OMAP_BAD_REG((unsigned long) reg); | |
821 | } | |
822 | return 0; | |
823 | } | |
824 | ||
825 | static uint32_t omap_dma_read(void *opaque, target_phys_addr_t addr) | |
826 | { | |
827 | struct omap_dma_s *s = (struct omap_dma_s *) opaque; | |
828 | int i, reg, ch, offset = addr - s->base; | |
829 | uint16_t ret; | |
830 | ||
831 | switch (offset) { | |
832 | case 0x000 ... 0x2fe: | |
833 | reg = offset & 0x3f; | |
834 | ch = (offset >> 6) & 0x0f; | |
835 | if (omap_dma_ch_reg_read(s, ch, reg, &ret)) | |
836 | break; | |
837 | return ret; | |
838 | ||
839 | case 0x300: /* SYS_DMA_LCD_CTRL */ | |
840 | i = s->lcd_ch.condition; | |
841 | s->lcd_ch.condition = 0; | |
842 | qemu_irq_lower(s->lcd_ch.irq); | |
843 | return ((s->lcd_ch.src == imif) << 6) | (i << 3) | | |
844 | (s->lcd_ch.interrupts << 1) | s->lcd_ch.dual; | |
845 | ||
846 | case 0x302: /* SYS_DMA_LCD_TOP_F1_L */ | |
847 | return s->lcd_ch.src_f1_top & 0xffff; | |
848 | ||
849 | case 0x304: /* SYS_DMA_LCD_TOP_F1_U */ | |
850 | return s->lcd_ch.src_f1_top >> 16; | |
851 | ||
852 | case 0x306: /* SYS_DMA_LCD_BOT_F1_L */ | |
853 | return s->lcd_ch.src_f1_bottom & 0xffff; | |
854 | ||
855 | case 0x308: /* SYS_DMA_LCD_BOT_F1_U */ | |
856 | return s->lcd_ch.src_f1_bottom >> 16; | |
857 | ||
858 | case 0x30a: /* SYS_DMA_LCD_TOP_F2_L */ | |
859 | return s->lcd_ch.src_f2_top & 0xffff; | |
860 | ||
861 | case 0x30c: /* SYS_DMA_LCD_TOP_F2_U */ | |
862 | return s->lcd_ch.src_f2_top >> 16; | |
863 | ||
864 | case 0x30e: /* SYS_DMA_LCD_BOT_F2_L */ | |
865 | return s->lcd_ch.src_f2_bottom & 0xffff; | |
866 | ||
867 | case 0x310: /* SYS_DMA_LCD_BOT_F2_U */ | |
868 | return s->lcd_ch.src_f2_bottom >> 16; | |
869 | ||
870 | case 0x400: /* SYS_DMA_GCR */ | |
871 | return s->gcr; | |
872 | } | |
873 | ||
874 | OMAP_BAD_REG(addr); | |
875 | return 0; | |
876 | } | |
877 | ||
878 | static void omap_dma_write(void *opaque, target_phys_addr_t addr, | |
879 | uint32_t value) | |
880 | { | |
881 | struct omap_dma_s *s = (struct omap_dma_s *) opaque; | |
882 | int reg, ch, offset = addr - s->base; | |
883 | ||
884 | switch (offset) { | |
885 | case 0x000 ... 0x2fe: | |
886 | reg = offset & 0x3f; | |
887 | ch = (offset >> 6) & 0x0f; | |
888 | if (omap_dma_ch_reg_write(s, ch, reg, value)) | |
889 | OMAP_RO_REG(addr); | |
890 | break; | |
891 | ||
892 | case 0x300: /* SYS_DMA_LCD_CTRL */ | |
893 | s->lcd_ch.src = (value & 0x40) ? imif : emiff; | |
894 | s->lcd_ch.condition = 0; | |
895 | /* Assume no bus errors and thus no BUS_ERROR irq bits. */ | |
896 | s->lcd_ch.interrupts = (value >> 1) & 1; | |
897 | s->lcd_ch.dual = value & 1; | |
898 | break; | |
899 | ||
900 | case 0x302: /* SYS_DMA_LCD_TOP_F1_L */ | |
901 | s->lcd_ch.src_f1_top &= 0xffff0000; | |
902 | s->lcd_ch.src_f1_top |= 0x0000ffff & value; | |
903 | break; | |
904 | ||
905 | case 0x304: /* SYS_DMA_LCD_TOP_F1_U */ | |
906 | s->lcd_ch.src_f1_top &= 0x0000ffff; | |
907 | s->lcd_ch.src_f1_top |= value << 16; | |
908 | break; | |
909 | ||
910 | case 0x306: /* SYS_DMA_LCD_BOT_F1_L */ | |
911 | s->lcd_ch.src_f1_bottom &= 0xffff0000; | |
912 | s->lcd_ch.src_f1_bottom |= 0x0000ffff & value; | |
913 | break; | |
914 | ||
915 | case 0x308: /* SYS_DMA_LCD_BOT_F1_U */ | |
916 | s->lcd_ch.src_f1_bottom &= 0x0000ffff; | |
917 | s->lcd_ch.src_f1_bottom |= value << 16; | |
918 | break; | |
919 | ||
920 | case 0x30a: /* SYS_DMA_LCD_TOP_F2_L */ | |
921 | s->lcd_ch.src_f2_top &= 0xffff0000; | |
922 | s->lcd_ch.src_f2_top |= 0x0000ffff & value; | |
923 | break; | |
924 | ||
925 | case 0x30c: /* SYS_DMA_LCD_TOP_F2_U */ | |
926 | s->lcd_ch.src_f2_top &= 0x0000ffff; | |
927 | s->lcd_ch.src_f2_top |= value << 16; | |
928 | break; | |
929 | ||
930 | case 0x30e: /* SYS_DMA_LCD_BOT_F2_L */ | |
931 | s->lcd_ch.src_f2_bottom &= 0xffff0000; | |
932 | s->lcd_ch.src_f2_bottom |= 0x0000ffff & value; | |
933 | break; | |
934 | ||
935 | case 0x310: /* SYS_DMA_LCD_BOT_F2_U */ | |
936 | s->lcd_ch.src_f2_bottom &= 0x0000ffff; | |
937 | s->lcd_ch.src_f2_bottom |= value << 16; | |
938 | break; | |
939 | ||
940 | case 0x400: /* SYS_DMA_GCR */ | |
941 | s->gcr = value & 0x000c; | |
942 | break; | |
943 | ||
944 | default: | |
945 | OMAP_BAD_REG(addr); | |
946 | } | |
947 | } | |
948 | ||
949 | static CPUReadMemoryFunc *omap_dma_readfn[] = { | |
950 | omap_badwidth_read16, | |
951 | omap_dma_read, | |
952 | omap_badwidth_read16, | |
953 | }; | |
954 | ||
955 | static CPUWriteMemoryFunc *omap_dma_writefn[] = { | |
956 | omap_badwidth_write16, | |
957 | omap_dma_write, | |
958 | omap_badwidth_write16, | |
959 | }; | |
960 | ||
961 | static void omap_dma_request(void *opaque, int drq, int req) | |
962 | { | |
963 | struct omap_dma_s *s = (struct omap_dma_s *) opaque; | |
1af2b62d AZ |
964 | /* The request pins are level triggered. */ |
965 | if (req) { | |
966 | if (~s->drq & (1 << drq)) { | |
967 | s->drq |= 1 << drq; | |
968 | omap_dma_request_run(s, 0, drq); | |
969 | } | |
970 | } else | |
971 | s->drq &= ~(1 << drq); | |
c3d2689d AZ |
972 | } |
973 | ||
974 | static void omap_dma_clk_update(void *opaque, int line, int on) | |
975 | { | |
976 | struct omap_dma_s *s = (struct omap_dma_s *) opaque; | |
977 | ||
978 | if (on) { | |
979 | s->delay = ticks_per_sec >> 5; | |
980 | if (s->run_count) | |
981 | qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay); | |
982 | } else { | |
983 | s->delay = 0; | |
984 | qemu_del_timer(s->tm); | |
985 | } | |
986 | } | |
987 | ||
988 | static void omap_dma_reset(struct omap_dma_s *s) | |
989 | { | |
990 | int i; | |
991 | ||
992 | qemu_del_timer(s->tm); | |
993 | s->gcr = 0x0004; | |
1af2b62d | 994 | s->drq = 0x00000000; |
c3d2689d AZ |
995 | s->run_count = 0; |
996 | s->lcd_ch.src = emiff; | |
997 | s->lcd_ch.condition = 0; | |
998 | s->lcd_ch.interrupts = 0; | |
999 | s->lcd_ch.dual = 0; | |
1000 | memset(s->ch, 0, sizeof(s->ch)); | |
1001 | for (i = 0; i < s->chans; i ++) | |
1002 | s->ch[i].interrupts = 0x0003; | |
1003 | } | |
1004 | ||
1005 | struct omap_dma_s *omap_dma_init(target_phys_addr_t base, | |
1006 | qemu_irq pic[], struct omap_mpu_state_s *mpu, omap_clk clk) | |
1007 | { | |
1008 | int iomemtype; | |
1009 | struct omap_dma_s *s = (struct omap_dma_s *) | |
1010 | qemu_mallocz(sizeof(struct omap_dma_s)); | |
1011 | ||
1012 | s->ih = pic; | |
1013 | s->base = base; | |
1014 | s->chans = 9; | |
1015 | s->mpu = mpu; | |
1016 | s->clk = clk; | |
1017 | s->lcd_ch.irq = pic[OMAP_INT_DMA_LCD]; | |
1018 | s->lcd_ch.mpu = mpu; | |
1019 | s->tm = qemu_new_timer(vm_clock, (QEMUTimerCB *) omap_dma_channel_run, s); | |
1020 | omap_clk_adduser(s->clk, qemu_allocate_irqs(omap_dma_clk_update, s, 1)[0]); | |
1021 | mpu->drq = qemu_allocate_irqs(omap_dma_request, s, 32); | |
1022 | omap_dma_reset(s); | |
1af2b62d | 1023 | omap_dma_clk_update(s, 0, 1); |
c3d2689d AZ |
1024 | |
1025 | iomemtype = cpu_register_io_memory(0, omap_dma_readfn, | |
1026 | omap_dma_writefn, s); | |
1027 | cpu_register_physical_memory(s->base, 0x800, iomemtype); | |
1028 | ||
1029 | return s; | |
1030 | } | |
1031 | ||
1032 | /* DMA ports */ | |
1033 | int omap_validate_emiff_addr(struct omap_mpu_state_s *s, | |
1034 | target_phys_addr_t addr) | |
1035 | { | |
1036 | return addr >= OMAP_EMIFF_BASE && addr < OMAP_EMIFF_BASE + s->sdram_size; | |
1037 | } | |
1038 | ||
1039 | int omap_validate_emifs_addr(struct omap_mpu_state_s *s, | |
1040 | target_phys_addr_t addr) | |
1041 | { | |
1042 | return addr >= OMAP_EMIFS_BASE && addr < OMAP_EMIFF_BASE; | |
1043 | } | |
1044 | ||
1045 | int omap_validate_imif_addr(struct omap_mpu_state_s *s, | |
1046 | target_phys_addr_t addr) | |
1047 | { | |
1048 | return addr >= OMAP_IMIF_BASE && addr < OMAP_IMIF_BASE + s->sram_size; | |
1049 | } | |
1050 | ||
1051 | int omap_validate_tipb_addr(struct omap_mpu_state_s *s, | |
1052 | target_phys_addr_t addr) | |
1053 | { | |
1054 | return addr >= 0xfffb0000 && addr < 0xffff0000; | |
1055 | } | |
1056 | ||
1057 | int omap_validate_local_addr(struct omap_mpu_state_s *s, | |
1058 | target_phys_addr_t addr) | |
1059 | { | |
1060 | return addr >= OMAP_LOCALBUS_BASE && addr < OMAP_LOCALBUS_BASE + 0x1000000; | |
1061 | } | |
1062 | ||
1063 | int omap_validate_tipb_mpui_addr(struct omap_mpu_state_s *s, | |
1064 | target_phys_addr_t addr) | |
1065 | { | |
1066 | return addr >= 0xe1010000 && addr < 0xe1020004; | |
1067 | } | |
1068 | ||
1069 | /* MPU OS timers */ | |
1070 | struct omap_mpu_timer_s { | |
1071 | qemu_irq irq; | |
1072 | omap_clk clk; | |
1073 | target_phys_addr_t base; | |
1074 | uint32_t val; | |
1075 | int64_t time; | |
1076 | QEMUTimer *timer; | |
1077 | int64_t rate; | |
1078 | int it_ena; | |
1079 | ||
1080 | int enable; | |
1081 | int ptv; | |
1082 | int ar; | |
1083 | int st; | |
1084 | uint32_t reset_val; | |
1085 | }; | |
1086 | ||
1087 | static inline uint32_t omap_timer_read(struct omap_mpu_timer_s *timer) | |
1088 | { | |
1089 | uint64_t distance = qemu_get_clock(vm_clock) - timer->time; | |
1090 | ||
1091 | if (timer->st && timer->enable && timer->rate) | |
1092 | return timer->val - muldiv64(distance >> (timer->ptv + 1), | |
1093 | timer->rate, ticks_per_sec); | |
1094 | else | |
1095 | return timer->val; | |
1096 | } | |
1097 | ||
1098 | static inline void omap_timer_sync(struct omap_mpu_timer_s *timer) | |
1099 | { | |
1100 | timer->val = omap_timer_read(timer); | |
1101 | timer->time = qemu_get_clock(vm_clock); | |
1102 | } | |
1103 | ||
1104 | static inline void omap_timer_update(struct omap_mpu_timer_s *timer) | |
1105 | { | |
1106 | int64_t expires; | |
1107 | ||
1108 | if (timer->enable && timer->st && timer->rate) { | |
1109 | timer->val = timer->reset_val; /* Should skip this on clk enable */ | |
1110 | expires = timer->time + muldiv64(timer->val << (timer->ptv + 1), | |
1111 | ticks_per_sec, timer->rate); | |
1112 | qemu_mod_timer(timer->timer, expires); | |
1113 | } else | |
1114 | qemu_del_timer(timer->timer); | |
1115 | } | |
1116 | ||
1117 | static void omap_timer_tick(void *opaque) | |
1118 | { | |
1119 | struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque; | |
1120 | omap_timer_sync(timer); | |
1121 | ||
1122 | if (!timer->ar) { | |
1123 | timer->val = 0; | |
1124 | timer->st = 0; | |
1125 | } | |
1126 | ||
1127 | if (timer->it_ena) | |
1128 | qemu_irq_raise(timer->irq); | |
1129 | omap_timer_update(timer); | |
1130 | } | |
1131 | ||
1132 | static void omap_timer_clk_update(void *opaque, int line, int on) | |
1133 | { | |
1134 | struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque; | |
1135 | ||
1136 | omap_timer_sync(timer); | |
1137 | timer->rate = on ? omap_clk_getrate(timer->clk) : 0; | |
1138 | omap_timer_update(timer); | |
1139 | } | |
1140 | ||
1141 | static void omap_timer_clk_setup(struct omap_mpu_timer_s *timer) | |
1142 | { | |
1143 | omap_clk_adduser(timer->clk, | |
1144 | qemu_allocate_irqs(omap_timer_clk_update, timer, 1)[0]); | |
1145 | timer->rate = omap_clk_getrate(timer->clk); | |
1146 | } | |
1147 | ||
1148 | static uint32_t omap_mpu_timer_read(void *opaque, target_phys_addr_t addr) | |
1149 | { | |
1150 | struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque; | |
1151 | int offset = addr - s->base; | |
1152 | ||
1153 | switch (offset) { | |
1154 | case 0x00: /* CNTL_TIMER */ | |
1155 | return (s->enable << 5) | (s->ptv << 2) | (s->ar << 1) | s->st; | |
1156 | ||
1157 | case 0x04: /* LOAD_TIM */ | |
1158 | break; | |
1159 | ||
1160 | case 0x08: /* READ_TIM */ | |
1161 | return omap_timer_read(s); | |
1162 | } | |
1163 | ||
1164 | OMAP_BAD_REG(addr); | |
1165 | return 0; | |
1166 | } | |
1167 | ||
1168 | static void omap_mpu_timer_write(void *opaque, target_phys_addr_t addr, | |
1169 | uint32_t value) | |
1170 | { | |
1171 | struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque; | |
1172 | int offset = addr - s->base; | |
1173 | ||
1174 | switch (offset) { | |
1175 | case 0x00: /* CNTL_TIMER */ | |
1176 | omap_timer_sync(s); | |
1177 | s->enable = (value >> 5) & 1; | |
1178 | s->ptv = (value >> 2) & 7; | |
1179 | s->ar = (value >> 1) & 1; | |
1180 | s->st = value & 1; | |
1181 | omap_timer_update(s); | |
1182 | return; | |
1183 | ||
1184 | case 0x04: /* LOAD_TIM */ | |
1185 | s->reset_val = value; | |
1186 | return; | |
1187 | ||
1188 | case 0x08: /* READ_TIM */ | |
1189 | OMAP_RO_REG(addr); | |
1190 | break; | |
1191 | ||
1192 | default: | |
1193 | OMAP_BAD_REG(addr); | |
1194 | } | |
1195 | } | |
1196 | ||
1197 | static CPUReadMemoryFunc *omap_mpu_timer_readfn[] = { | |
1198 | omap_badwidth_read32, | |
1199 | omap_badwidth_read32, | |
1200 | omap_mpu_timer_read, | |
1201 | }; | |
1202 | ||
1203 | static CPUWriteMemoryFunc *omap_mpu_timer_writefn[] = { | |
1204 | omap_badwidth_write32, | |
1205 | omap_badwidth_write32, | |
1206 | omap_mpu_timer_write, | |
1207 | }; | |
1208 | ||
1209 | static void omap_mpu_timer_reset(struct omap_mpu_timer_s *s) | |
1210 | { | |
1211 | qemu_del_timer(s->timer); | |
1212 | s->enable = 0; | |
1213 | s->reset_val = 31337; | |
1214 | s->val = 0; | |
1215 | s->ptv = 0; | |
1216 | s->ar = 0; | |
1217 | s->st = 0; | |
1218 | s->it_ena = 1; | |
1219 | } | |
1220 | ||
1221 | struct omap_mpu_timer_s *omap_mpu_timer_init(target_phys_addr_t base, | |
1222 | qemu_irq irq, omap_clk clk) | |
1223 | { | |
1224 | int iomemtype; | |
1225 | struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) | |
1226 | qemu_mallocz(sizeof(struct omap_mpu_timer_s)); | |
1227 | ||
1228 | s->irq = irq; | |
1229 | s->clk = clk; | |
1230 | s->base = base; | |
1231 | s->timer = qemu_new_timer(vm_clock, omap_timer_tick, s); | |
1232 | omap_mpu_timer_reset(s); | |
1233 | omap_timer_clk_setup(s); | |
1234 | ||
1235 | iomemtype = cpu_register_io_memory(0, omap_mpu_timer_readfn, | |
1236 | omap_mpu_timer_writefn, s); | |
1237 | cpu_register_physical_memory(s->base, 0x100, iomemtype); | |
1238 | ||
1239 | return s; | |
1240 | } | |
1241 | ||
1242 | /* Watchdog timer */ | |
1243 | struct omap_watchdog_timer_s { | |
1244 | struct omap_mpu_timer_s timer; | |
1245 | uint8_t last_wr; | |
1246 | int mode; | |
1247 | int free; | |
1248 | int reset; | |
1249 | }; | |
1250 | ||
1251 | static uint32_t omap_wd_timer_read(void *opaque, target_phys_addr_t addr) | |
1252 | { | |
1253 | struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque; | |
1254 | int offset = addr - s->timer.base; | |
1255 | ||
1256 | switch (offset) { | |
1257 | case 0x00: /* CNTL_TIMER */ | |
1258 | return (s->timer.ptv << 9) | (s->timer.ar << 8) | | |
1259 | (s->timer.st << 7) | (s->free << 1); | |
1260 | ||
1261 | case 0x04: /* READ_TIMER */ | |
1262 | return omap_timer_read(&s->timer); | |
1263 | ||
1264 | case 0x08: /* TIMER_MODE */ | |
1265 | return s->mode << 15; | |
1266 | } | |
1267 | ||
1268 | OMAP_BAD_REG(addr); | |
1269 | return 0; | |
1270 | } | |
1271 | ||
1272 | static void omap_wd_timer_write(void *opaque, target_phys_addr_t addr, | |
1273 | uint32_t value) | |
1274 | { | |
1275 | struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque; | |
1276 | int offset = addr - s->timer.base; | |
1277 | ||
1278 | switch (offset) { | |
1279 | case 0x00: /* CNTL_TIMER */ | |
1280 | omap_timer_sync(&s->timer); | |
1281 | s->timer.ptv = (value >> 9) & 7; | |
1282 | s->timer.ar = (value >> 8) & 1; | |
1283 | s->timer.st = (value >> 7) & 1; | |
1284 | s->free = (value >> 1) & 1; | |
1285 | omap_timer_update(&s->timer); | |
1286 | break; | |
1287 | ||
1288 | case 0x04: /* LOAD_TIMER */ | |
1289 | s->timer.reset_val = value & 0xffff; | |
1290 | break; | |
1291 | ||
1292 | case 0x08: /* TIMER_MODE */ | |
1293 | if (!s->mode && ((value >> 15) & 1)) | |
1294 | omap_clk_get(s->timer.clk); | |
1295 | s->mode |= (value >> 15) & 1; | |
1296 | if (s->last_wr == 0xf5) { | |
1297 | if ((value & 0xff) == 0xa0) { | |
1298 | s->mode = 0; | |
1299 | omap_clk_put(s->timer.clk); | |
1300 | } else { | |
1301 | /* XXX: on T|E hardware somehow this has no effect, | |
1302 | * on Zire 71 it works as specified. */ | |
1303 | s->reset = 1; | |
1304 | qemu_system_reset_request(); | |
1305 | } | |
1306 | } | |
1307 | s->last_wr = value & 0xff; | |
1308 | break; | |
1309 | ||
1310 | default: | |
1311 | OMAP_BAD_REG(addr); | |
1312 | } | |
1313 | } | |
1314 | ||
1315 | static CPUReadMemoryFunc *omap_wd_timer_readfn[] = { | |
1316 | omap_badwidth_read16, | |
1317 | omap_wd_timer_read, | |
1318 | omap_badwidth_read16, | |
1319 | }; | |
1320 | ||
1321 | static CPUWriteMemoryFunc *omap_wd_timer_writefn[] = { | |
1322 | omap_badwidth_write16, | |
1323 | omap_wd_timer_write, | |
1324 | omap_badwidth_write16, | |
1325 | }; | |
1326 | ||
1327 | static void omap_wd_timer_reset(struct omap_watchdog_timer_s *s) | |
1328 | { | |
1329 | qemu_del_timer(s->timer.timer); | |
1330 | if (!s->mode) | |
1331 | omap_clk_get(s->timer.clk); | |
1332 | s->mode = 1; | |
1333 | s->free = 1; | |
1334 | s->reset = 0; | |
1335 | s->timer.enable = 1; | |
1336 | s->timer.it_ena = 1; | |
1337 | s->timer.reset_val = 0xffff; | |
1338 | s->timer.val = 0; | |
1339 | s->timer.st = 0; | |
1340 | s->timer.ptv = 0; | |
1341 | s->timer.ar = 0; | |
1342 | omap_timer_update(&s->timer); | |
1343 | } | |
1344 | ||
1345 | struct omap_watchdog_timer_s *omap_wd_timer_init(target_phys_addr_t base, | |
1346 | qemu_irq irq, omap_clk clk) | |
1347 | { | |
1348 | int iomemtype; | |
1349 | struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) | |
1350 | qemu_mallocz(sizeof(struct omap_watchdog_timer_s)); | |
1351 | ||
1352 | s->timer.irq = irq; | |
1353 | s->timer.clk = clk; | |
1354 | s->timer.base = base; | |
1355 | s->timer.timer = qemu_new_timer(vm_clock, omap_timer_tick, &s->timer); | |
1356 | omap_wd_timer_reset(s); | |
1357 | omap_timer_clk_setup(&s->timer); | |
1358 | ||
1359 | iomemtype = cpu_register_io_memory(0, omap_wd_timer_readfn, | |
1360 | omap_wd_timer_writefn, s); | |
1361 | cpu_register_physical_memory(s->timer.base, 0x100, iomemtype); | |
1362 | ||
1363 | return s; | |
1364 | } | |
1365 | ||
1366 | /* 32-kHz timer */ | |
1367 | struct omap_32khz_timer_s { | |
1368 | struct omap_mpu_timer_s timer; | |
1369 | }; | |
1370 | ||
1371 | static uint32_t omap_os_timer_read(void *opaque, target_phys_addr_t addr) | |
1372 | { | |
1373 | struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque; | |
1374 | int offset = addr - s->timer.base; | |
1375 | ||
1376 | switch (offset) { | |
1377 | case 0x00: /* TVR */ | |
1378 | return s->timer.reset_val; | |
1379 | ||
1380 | case 0x04: /* TCR */ | |
1381 | return omap_timer_read(&s->timer); | |
1382 | ||
1383 | case 0x08: /* CR */ | |
1384 | return (s->timer.ar << 3) | (s->timer.it_ena << 2) | s->timer.st; | |
1385 | ||
1386 | default: | |
1387 | break; | |
1388 | } | |
1389 | OMAP_BAD_REG(addr); | |
1390 | return 0; | |
1391 | } | |
1392 | ||
1393 | static void omap_os_timer_write(void *opaque, target_phys_addr_t addr, | |
1394 | uint32_t value) | |
1395 | { | |
1396 | struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque; | |
1397 | int offset = addr - s->timer.base; | |
1398 | ||
1399 | switch (offset) { | |
1400 | case 0x00: /* TVR */ | |
1401 | s->timer.reset_val = value & 0x00ffffff; | |
1402 | break; | |
1403 | ||
1404 | case 0x04: /* TCR */ | |
1405 | OMAP_RO_REG(addr); | |
1406 | break; | |
1407 | ||
1408 | case 0x08: /* CR */ | |
1409 | s->timer.ar = (value >> 3) & 1; | |
1410 | s->timer.it_ena = (value >> 2) & 1; | |
1411 | if (s->timer.st != (value & 1) || (value & 2)) { | |
1412 | omap_timer_sync(&s->timer); | |
1413 | s->timer.enable = value & 1; | |
1414 | s->timer.st = value & 1; | |
1415 | omap_timer_update(&s->timer); | |
1416 | } | |
1417 | break; | |
1418 | ||
1419 | default: | |
1420 | OMAP_BAD_REG(addr); | |
1421 | } | |
1422 | } | |
1423 | ||
1424 | static CPUReadMemoryFunc *omap_os_timer_readfn[] = { | |
1425 | omap_badwidth_read32, | |
1426 | omap_badwidth_read32, | |
1427 | omap_os_timer_read, | |
1428 | }; | |
1429 | ||
1430 | static CPUWriteMemoryFunc *omap_os_timer_writefn[] = { | |
1431 | omap_badwidth_write32, | |
1432 | omap_badwidth_write32, | |
1433 | omap_os_timer_write, | |
1434 | }; | |
1435 | ||
1436 | static void omap_os_timer_reset(struct omap_32khz_timer_s *s) | |
1437 | { | |
1438 | qemu_del_timer(s->timer.timer); | |
1439 | s->timer.enable = 0; | |
1440 | s->timer.it_ena = 0; | |
1441 | s->timer.reset_val = 0x00ffffff; | |
1442 | s->timer.val = 0; | |
1443 | s->timer.st = 0; | |
1444 | s->timer.ptv = 0; | |
1445 | s->timer.ar = 1; | |
1446 | } | |
1447 | ||
1448 | struct omap_32khz_timer_s *omap_os_timer_init(target_phys_addr_t base, | |
1449 | qemu_irq irq, omap_clk clk) | |
1450 | { | |
1451 | int iomemtype; | |
1452 | struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) | |
1453 | qemu_mallocz(sizeof(struct omap_32khz_timer_s)); | |
1454 | ||
1455 | s->timer.irq = irq; | |
1456 | s->timer.clk = clk; | |
1457 | s->timer.base = base; | |
1458 | s->timer.timer = qemu_new_timer(vm_clock, omap_timer_tick, &s->timer); | |
1459 | omap_os_timer_reset(s); | |
1460 | omap_timer_clk_setup(&s->timer); | |
1461 | ||
1462 | iomemtype = cpu_register_io_memory(0, omap_os_timer_readfn, | |
1463 | omap_os_timer_writefn, s); | |
1464 | cpu_register_physical_memory(s->timer.base, 0x800, iomemtype); | |
1465 | ||
1466 | return s; | |
1467 | } | |
1468 | ||
1469 | /* Ultra Low-Power Device Module */ | |
1470 | static uint32_t omap_ulpd_pm_read(void *opaque, target_phys_addr_t addr) | |
1471 | { | |
1472 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1473 | int offset = addr - s->ulpd_pm_base; | |
1474 | uint16_t ret; | |
1475 | ||
1476 | switch (offset) { | |
1477 | case 0x14: /* IT_STATUS */ | |
1478 | ret = s->ulpd_pm_regs[offset >> 2]; | |
1479 | s->ulpd_pm_regs[offset >> 2] = 0; | |
1480 | qemu_irq_lower(s->irq[1][OMAP_INT_GAUGE_32K]); | |
1481 | return ret; | |
1482 | ||
1483 | case 0x18: /* Reserved */ | |
1484 | case 0x1c: /* Reserved */ | |
1485 | case 0x20: /* Reserved */ | |
1486 | case 0x28: /* Reserved */ | |
1487 | case 0x2c: /* Reserved */ | |
1488 | OMAP_BAD_REG(addr); | |
1489 | case 0x00: /* COUNTER_32_LSB */ | |
1490 | case 0x04: /* COUNTER_32_MSB */ | |
1491 | case 0x08: /* COUNTER_HIGH_FREQ_LSB */ | |
1492 | case 0x0c: /* COUNTER_HIGH_FREQ_MSB */ | |
1493 | case 0x10: /* GAUGING_CTRL */ | |
1494 | case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */ | |
1495 | case 0x30: /* CLOCK_CTRL */ | |
1496 | case 0x34: /* SOFT_REQ */ | |
1497 | case 0x38: /* COUNTER_32_FIQ */ | |
1498 | case 0x3c: /* DPLL_CTRL */ | |
1499 | case 0x40: /* STATUS_REQ */ | |
1500 | /* XXX: check clk::usecount state for every clock */ | |
1501 | case 0x48: /* LOCL_TIME */ | |
1502 | case 0x4c: /* APLL_CTRL */ | |
1503 | case 0x50: /* POWER_CTRL */ | |
1504 | return s->ulpd_pm_regs[offset >> 2]; | |
1505 | } | |
1506 | ||
1507 | OMAP_BAD_REG(addr); | |
1508 | return 0; | |
1509 | } | |
1510 | ||
1511 | static inline void omap_ulpd_clk_update(struct omap_mpu_state_s *s, | |
1512 | uint16_t diff, uint16_t value) | |
1513 | { | |
1514 | if (diff & (1 << 4)) /* USB_MCLK_EN */ | |
1515 | omap_clk_onoff(omap_findclk(s, "usb_clk0"), (value >> 4) & 1); | |
1516 | if (diff & (1 << 5)) /* DIS_USB_PVCI_CLK */ | |
1517 | omap_clk_onoff(omap_findclk(s, "usb_w2fc_ck"), (~value >> 5) & 1); | |
1518 | } | |
1519 | ||
1520 | static inline void omap_ulpd_req_update(struct omap_mpu_state_s *s, | |
1521 | uint16_t diff, uint16_t value) | |
1522 | { | |
1523 | if (diff & (1 << 0)) /* SOFT_DPLL_REQ */ | |
1524 | omap_clk_canidle(omap_findclk(s, "dpll4"), (~value >> 0) & 1); | |
1525 | if (diff & (1 << 1)) /* SOFT_COM_REQ */ | |
1526 | omap_clk_canidle(omap_findclk(s, "com_mclk_out"), (~value >> 1) & 1); | |
1527 | if (diff & (1 << 2)) /* SOFT_SDW_REQ */ | |
1528 | omap_clk_canidle(omap_findclk(s, "bt_mclk_out"), (~value >> 2) & 1); | |
1529 | if (diff & (1 << 3)) /* SOFT_USB_REQ */ | |
1530 | omap_clk_canidle(omap_findclk(s, "usb_clk0"), (~value >> 3) & 1); | |
1531 | } | |
1532 | ||
1533 | static void omap_ulpd_pm_write(void *opaque, target_phys_addr_t addr, | |
1534 | uint32_t value) | |
1535 | { | |
1536 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1537 | int offset = addr - s->ulpd_pm_base; | |
1538 | int64_t now, ticks; | |
1539 | int div, mult; | |
1540 | static const int bypass_div[4] = { 1, 2, 4, 4 }; | |
1541 | uint16_t diff; | |
1542 | ||
1543 | switch (offset) { | |
1544 | case 0x00: /* COUNTER_32_LSB */ | |
1545 | case 0x04: /* COUNTER_32_MSB */ | |
1546 | case 0x08: /* COUNTER_HIGH_FREQ_LSB */ | |
1547 | case 0x0c: /* COUNTER_HIGH_FREQ_MSB */ | |
1548 | case 0x14: /* IT_STATUS */ | |
1549 | case 0x40: /* STATUS_REQ */ | |
1550 | OMAP_RO_REG(addr); | |
1551 | break; | |
1552 | ||
1553 | case 0x10: /* GAUGING_CTRL */ | |
1554 | /* Bits 0 and 1 seem to be confused in the OMAP 310 TRM */ | |
1555 | if ((s->ulpd_pm_regs[offset >> 2] ^ value) & 1) { | |
1556 | now = qemu_get_clock(vm_clock); | |
1557 | ||
1558 | if (value & 1) | |
1559 | s->ulpd_gauge_start = now; | |
1560 | else { | |
1561 | now -= s->ulpd_gauge_start; | |
1562 | ||
1563 | /* 32-kHz ticks */ | |
1564 | ticks = muldiv64(now, 32768, ticks_per_sec); | |
1565 | s->ulpd_pm_regs[0x00 >> 2] = (ticks >> 0) & 0xffff; | |
1566 | s->ulpd_pm_regs[0x04 >> 2] = (ticks >> 16) & 0xffff; | |
1567 | if (ticks >> 32) /* OVERFLOW_32K */ | |
1568 | s->ulpd_pm_regs[0x14 >> 2] |= 1 << 2; | |
1569 | ||
1570 | /* High frequency ticks */ | |
1571 | ticks = muldiv64(now, 12000000, ticks_per_sec); | |
1572 | s->ulpd_pm_regs[0x08 >> 2] = (ticks >> 0) & 0xffff; | |
1573 | s->ulpd_pm_regs[0x0c >> 2] = (ticks >> 16) & 0xffff; | |
1574 | if (ticks >> 32) /* OVERFLOW_HI_FREQ */ | |
1575 | s->ulpd_pm_regs[0x14 >> 2] |= 1 << 1; | |
1576 | ||
1577 | s->ulpd_pm_regs[0x14 >> 2] |= 1 << 0; /* IT_GAUGING */ | |
1578 | qemu_irq_raise(s->irq[1][OMAP_INT_GAUGE_32K]); | |
1579 | } | |
1580 | } | |
1581 | s->ulpd_pm_regs[offset >> 2] = value; | |
1582 | break; | |
1583 | ||
1584 | case 0x18: /* Reserved */ | |
1585 | case 0x1c: /* Reserved */ | |
1586 | case 0x20: /* Reserved */ | |
1587 | case 0x28: /* Reserved */ | |
1588 | case 0x2c: /* Reserved */ | |
1589 | OMAP_BAD_REG(addr); | |
1590 | case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */ | |
1591 | case 0x38: /* COUNTER_32_FIQ */ | |
1592 | case 0x48: /* LOCL_TIME */ | |
1593 | case 0x50: /* POWER_CTRL */ | |
1594 | s->ulpd_pm_regs[offset >> 2] = value; | |
1595 | break; | |
1596 | ||
1597 | case 0x30: /* CLOCK_CTRL */ | |
1598 | diff = s->ulpd_pm_regs[offset >> 2] ^ value; | |
1599 | s->ulpd_pm_regs[offset >> 2] = value & 0x3f; | |
1600 | omap_ulpd_clk_update(s, diff, value); | |
1601 | break; | |
1602 | ||
1603 | case 0x34: /* SOFT_REQ */ | |
1604 | diff = s->ulpd_pm_regs[offset >> 2] ^ value; | |
1605 | s->ulpd_pm_regs[offset >> 2] = value & 0x1f; | |
1606 | omap_ulpd_req_update(s, diff, value); | |
1607 | break; | |
1608 | ||
1609 | case 0x3c: /* DPLL_CTRL */ | |
1610 | /* XXX: OMAP310 TRM claims bit 3 is PLL_ENABLE, and bit 4 is | |
1611 | * omitted altogether, probably a typo. */ | |
1612 | /* This register has identical semantics with DPLL(1:3) control | |
1613 | * registers, see omap_dpll_write() */ | |
1614 | diff = s->ulpd_pm_regs[offset >> 2] & value; | |
1615 | s->ulpd_pm_regs[offset >> 2] = value & 0x2fff; | |
1616 | if (diff & (0x3ff << 2)) { | |
1617 | if (value & (1 << 4)) { /* PLL_ENABLE */ | |
1618 | div = ((value >> 5) & 3) + 1; /* PLL_DIV */ | |
1619 | mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */ | |
1620 | } else { | |
1621 | div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */ | |
1622 | mult = 1; | |
1623 | } | |
1624 | omap_clk_setrate(omap_findclk(s, "dpll4"), div, mult); | |
1625 | } | |
1626 | ||
1627 | /* Enter the desired mode. */ | |
1628 | s->ulpd_pm_regs[offset >> 2] = | |
1629 | (s->ulpd_pm_regs[offset >> 2] & 0xfffe) | | |
1630 | ((s->ulpd_pm_regs[offset >> 2] >> 4) & 1); | |
1631 | ||
1632 | /* Act as if the lock is restored. */ | |
1633 | s->ulpd_pm_regs[offset >> 2] |= 2; | |
1634 | break; | |
1635 | ||
1636 | case 0x4c: /* APLL_CTRL */ | |
1637 | diff = s->ulpd_pm_regs[offset >> 2] & value; | |
1638 | s->ulpd_pm_regs[offset >> 2] = value & 0xf; | |
1639 | if (diff & (1 << 0)) /* APLL_NDPLL_SWITCH */ | |
1640 | omap_clk_reparent(omap_findclk(s, "ck_48m"), omap_findclk(s, | |
1641 | (value & (1 << 0)) ? "apll" : "dpll4")); | |
1642 | break; | |
1643 | ||
1644 | default: | |
1645 | OMAP_BAD_REG(addr); | |
1646 | } | |
1647 | } | |
1648 | ||
1649 | static CPUReadMemoryFunc *omap_ulpd_pm_readfn[] = { | |
1650 | omap_badwidth_read16, | |
1651 | omap_ulpd_pm_read, | |
1652 | omap_badwidth_read16, | |
1653 | }; | |
1654 | ||
1655 | static CPUWriteMemoryFunc *omap_ulpd_pm_writefn[] = { | |
1656 | omap_badwidth_write16, | |
1657 | omap_ulpd_pm_write, | |
1658 | omap_badwidth_write16, | |
1659 | }; | |
1660 | ||
1661 | static void omap_ulpd_pm_reset(struct omap_mpu_state_s *mpu) | |
1662 | { | |
1663 | mpu->ulpd_pm_regs[0x00 >> 2] = 0x0001; | |
1664 | mpu->ulpd_pm_regs[0x04 >> 2] = 0x0000; | |
1665 | mpu->ulpd_pm_regs[0x08 >> 2] = 0x0001; | |
1666 | mpu->ulpd_pm_regs[0x0c >> 2] = 0x0000; | |
1667 | mpu->ulpd_pm_regs[0x10 >> 2] = 0x0000; | |
1668 | mpu->ulpd_pm_regs[0x18 >> 2] = 0x01; | |
1669 | mpu->ulpd_pm_regs[0x1c >> 2] = 0x01; | |
1670 | mpu->ulpd_pm_regs[0x20 >> 2] = 0x01; | |
1671 | mpu->ulpd_pm_regs[0x24 >> 2] = 0x03ff; | |
1672 | mpu->ulpd_pm_regs[0x28 >> 2] = 0x01; | |
1673 | mpu->ulpd_pm_regs[0x2c >> 2] = 0x01; | |
1674 | omap_ulpd_clk_update(mpu, mpu->ulpd_pm_regs[0x30 >> 2], 0x0000); | |
1675 | mpu->ulpd_pm_regs[0x30 >> 2] = 0x0000; | |
1676 | omap_ulpd_req_update(mpu, mpu->ulpd_pm_regs[0x34 >> 2], 0x0000); | |
1677 | mpu->ulpd_pm_regs[0x34 >> 2] = 0x0000; | |
1678 | mpu->ulpd_pm_regs[0x38 >> 2] = 0x0001; | |
1679 | mpu->ulpd_pm_regs[0x3c >> 2] = 0x2211; | |
1680 | mpu->ulpd_pm_regs[0x40 >> 2] = 0x0000; /* FIXME: dump a real STATUS_REQ */ | |
1681 | mpu->ulpd_pm_regs[0x48 >> 2] = 0x960; | |
1682 | mpu->ulpd_pm_regs[0x4c >> 2] = 0x08; | |
1683 | mpu->ulpd_pm_regs[0x50 >> 2] = 0x08; | |
1684 | omap_clk_setrate(omap_findclk(mpu, "dpll4"), 1, 4); | |
1685 | omap_clk_reparent(omap_findclk(mpu, "ck_48m"), omap_findclk(mpu, "dpll4")); | |
1686 | } | |
1687 | ||
1688 | static void omap_ulpd_pm_init(target_phys_addr_t base, | |
1689 | struct omap_mpu_state_s *mpu) | |
1690 | { | |
1691 | int iomemtype = cpu_register_io_memory(0, omap_ulpd_pm_readfn, | |
1692 | omap_ulpd_pm_writefn, mpu); | |
1693 | ||
1694 | mpu->ulpd_pm_base = base; | |
1695 | cpu_register_physical_memory(mpu->ulpd_pm_base, 0x800, iomemtype); | |
1696 | omap_ulpd_pm_reset(mpu); | |
1697 | } | |
1698 | ||
1699 | /* OMAP Pin Configuration */ | |
1700 | static uint32_t omap_pin_cfg_read(void *opaque, target_phys_addr_t addr) | |
1701 | { | |
1702 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1703 | int offset = addr - s->pin_cfg_base; | |
1704 | ||
1705 | switch (offset) { | |
1706 | case 0x00: /* FUNC_MUX_CTRL_0 */ | |
1707 | case 0x04: /* FUNC_MUX_CTRL_1 */ | |
1708 | case 0x08: /* FUNC_MUX_CTRL_2 */ | |
1709 | return s->func_mux_ctrl[offset >> 2]; | |
1710 | ||
1711 | case 0x0c: /* COMP_MODE_CTRL_0 */ | |
1712 | return s->comp_mode_ctrl[0]; | |
1713 | ||
1714 | case 0x10: /* FUNC_MUX_CTRL_3 */ | |
1715 | case 0x14: /* FUNC_MUX_CTRL_4 */ | |
1716 | case 0x18: /* FUNC_MUX_CTRL_5 */ | |
1717 | case 0x1c: /* FUNC_MUX_CTRL_6 */ | |
1718 | case 0x20: /* FUNC_MUX_CTRL_7 */ | |
1719 | case 0x24: /* FUNC_MUX_CTRL_8 */ | |
1720 | case 0x28: /* FUNC_MUX_CTRL_9 */ | |
1721 | case 0x2c: /* FUNC_MUX_CTRL_A */ | |
1722 | case 0x30: /* FUNC_MUX_CTRL_B */ | |
1723 | case 0x34: /* FUNC_MUX_CTRL_C */ | |
1724 | case 0x38: /* FUNC_MUX_CTRL_D */ | |
1725 | return s->func_mux_ctrl[(offset >> 2) - 1]; | |
1726 | ||
1727 | case 0x40: /* PULL_DWN_CTRL_0 */ | |
1728 | case 0x44: /* PULL_DWN_CTRL_1 */ | |
1729 | case 0x48: /* PULL_DWN_CTRL_2 */ | |
1730 | case 0x4c: /* PULL_DWN_CTRL_3 */ | |
1731 | return s->pull_dwn_ctrl[(offset & 0xf) >> 2]; | |
1732 | ||
1733 | case 0x50: /* GATE_INH_CTRL_0 */ | |
1734 | return s->gate_inh_ctrl[0]; | |
1735 | ||
1736 | case 0x60: /* VOLTAGE_CTRL_0 */ | |
1737 | return s->voltage_ctrl[0]; | |
1738 | ||
1739 | case 0x70: /* TEST_DBG_CTRL_0 */ | |
1740 | return s->test_dbg_ctrl[0]; | |
1741 | ||
1742 | case 0x80: /* MOD_CONF_CTRL_0 */ | |
1743 | return s->mod_conf_ctrl[0]; | |
1744 | } | |
1745 | ||
1746 | OMAP_BAD_REG(addr); | |
1747 | return 0; | |
1748 | } | |
1749 | ||
1750 | static inline void omap_pin_funcmux0_update(struct omap_mpu_state_s *s, | |
1751 | uint32_t diff, uint32_t value) | |
1752 | { | |
1753 | if (s->compat1509) { | |
1754 | if (diff & (1 << 9)) /* BLUETOOTH */ | |
1755 | omap_clk_onoff(omap_findclk(s, "bt_mclk_out"), | |
1756 | (~value >> 9) & 1); | |
1757 | if (diff & (1 << 7)) /* USB.CLKO */ | |
1758 | omap_clk_onoff(omap_findclk(s, "usb.clko"), | |
1759 | (value >> 7) & 1); | |
1760 | } | |
1761 | } | |
1762 | ||
1763 | static inline void omap_pin_funcmux1_update(struct omap_mpu_state_s *s, | |
1764 | uint32_t diff, uint32_t value) | |
1765 | { | |
1766 | if (s->compat1509) { | |
1767 | if (diff & (1 << 31)) /* MCBSP3_CLK_HIZ_DI */ | |
1768 | omap_clk_onoff(omap_findclk(s, "mcbsp3.clkx"), | |
1769 | (value >> 31) & 1); | |
1770 | if (diff & (1 << 1)) /* CLK32K */ | |
1771 | omap_clk_onoff(omap_findclk(s, "clk32k_out"), | |
1772 | (~value >> 1) & 1); | |
1773 | } | |
1774 | } | |
1775 | ||
1776 | static inline void omap_pin_modconf1_update(struct omap_mpu_state_s *s, | |
1777 | uint32_t diff, uint32_t value) | |
1778 | { | |
1779 | if (diff & (1 << 31)) /* CONF_MOD_UART3_CLK_MODE_R */ | |
1780 | omap_clk_reparent(omap_findclk(s, "uart3_ck"), | |
1781 | omap_findclk(s, ((value >> 31) & 1) ? | |
1782 | "ck_48m" : "armper_ck")); | |
1783 | if (diff & (1 << 30)) /* CONF_MOD_UART2_CLK_MODE_R */ | |
1784 | omap_clk_reparent(omap_findclk(s, "uart2_ck"), | |
1785 | omap_findclk(s, ((value >> 30) & 1) ? | |
1786 | "ck_48m" : "armper_ck")); | |
1787 | if (diff & (1 << 29)) /* CONF_MOD_UART1_CLK_MODE_R */ | |
1788 | omap_clk_reparent(omap_findclk(s, "uart1_ck"), | |
1789 | omap_findclk(s, ((value >> 29) & 1) ? | |
1790 | "ck_48m" : "armper_ck")); | |
1791 | if (diff & (1 << 23)) /* CONF_MOD_MMC_SD_CLK_REQ_R */ | |
1792 | omap_clk_reparent(omap_findclk(s, "mmc_ck"), | |
1793 | omap_findclk(s, ((value >> 23) & 1) ? | |
1794 | "ck_48m" : "armper_ck")); | |
1795 | if (diff & (1 << 12)) /* CONF_MOD_COM_MCLK_12_48_S */ | |
1796 | omap_clk_reparent(omap_findclk(s, "com_mclk_out"), | |
1797 | omap_findclk(s, ((value >> 12) & 1) ? | |
1798 | "ck_48m" : "armper_ck")); | |
1799 | if (diff & (1 << 9)) /* CONF_MOD_USB_HOST_HHC_UHO */ | |
1800 | omap_clk_onoff(omap_findclk(s, "usb_hhc_ck"), (value >> 9) & 1); | |
1801 | } | |
1802 | ||
1803 | static void omap_pin_cfg_write(void *opaque, target_phys_addr_t addr, | |
1804 | uint32_t value) | |
1805 | { | |
1806 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1807 | int offset = addr - s->pin_cfg_base; | |
1808 | uint32_t diff; | |
1809 | ||
1810 | switch (offset) { | |
1811 | case 0x00: /* FUNC_MUX_CTRL_0 */ | |
1812 | diff = s->func_mux_ctrl[offset >> 2] ^ value; | |
1813 | s->func_mux_ctrl[offset >> 2] = value; | |
1814 | omap_pin_funcmux0_update(s, diff, value); | |
1815 | return; | |
1816 | ||
1817 | case 0x04: /* FUNC_MUX_CTRL_1 */ | |
1818 | diff = s->func_mux_ctrl[offset >> 2] ^ value; | |
1819 | s->func_mux_ctrl[offset >> 2] = value; | |
1820 | omap_pin_funcmux1_update(s, diff, value); | |
1821 | return; | |
1822 | ||
1823 | case 0x08: /* FUNC_MUX_CTRL_2 */ | |
1824 | s->func_mux_ctrl[offset >> 2] = value; | |
1825 | return; | |
1826 | ||
1827 | case 0x0c: /* COMP_MODE_CTRL_0 */ | |
1828 | s->comp_mode_ctrl[0] = value; | |
1829 | s->compat1509 = (value != 0x0000eaef); | |
1830 | omap_pin_funcmux0_update(s, ~0, s->func_mux_ctrl[0]); | |
1831 | omap_pin_funcmux1_update(s, ~0, s->func_mux_ctrl[1]); | |
1832 | return; | |
1833 | ||
1834 | case 0x10: /* FUNC_MUX_CTRL_3 */ | |
1835 | case 0x14: /* FUNC_MUX_CTRL_4 */ | |
1836 | case 0x18: /* FUNC_MUX_CTRL_5 */ | |
1837 | case 0x1c: /* FUNC_MUX_CTRL_6 */ | |
1838 | case 0x20: /* FUNC_MUX_CTRL_7 */ | |
1839 | case 0x24: /* FUNC_MUX_CTRL_8 */ | |
1840 | case 0x28: /* FUNC_MUX_CTRL_9 */ | |
1841 | case 0x2c: /* FUNC_MUX_CTRL_A */ | |
1842 | case 0x30: /* FUNC_MUX_CTRL_B */ | |
1843 | case 0x34: /* FUNC_MUX_CTRL_C */ | |
1844 | case 0x38: /* FUNC_MUX_CTRL_D */ | |
1845 | s->func_mux_ctrl[(offset >> 2) - 1] = value; | |
1846 | return; | |
1847 | ||
1848 | case 0x40: /* PULL_DWN_CTRL_0 */ | |
1849 | case 0x44: /* PULL_DWN_CTRL_1 */ | |
1850 | case 0x48: /* PULL_DWN_CTRL_2 */ | |
1851 | case 0x4c: /* PULL_DWN_CTRL_3 */ | |
1852 | s->pull_dwn_ctrl[(offset & 0xf) >> 2] = value; | |
1853 | return; | |
1854 | ||
1855 | case 0x50: /* GATE_INH_CTRL_0 */ | |
1856 | s->gate_inh_ctrl[0] = value; | |
1857 | return; | |
1858 | ||
1859 | case 0x60: /* VOLTAGE_CTRL_0 */ | |
1860 | s->voltage_ctrl[0] = value; | |
1861 | return; | |
1862 | ||
1863 | case 0x70: /* TEST_DBG_CTRL_0 */ | |
1864 | s->test_dbg_ctrl[0] = value; | |
1865 | return; | |
1866 | ||
1867 | case 0x80: /* MOD_CONF_CTRL_0 */ | |
1868 | diff = s->mod_conf_ctrl[0] ^ value; | |
1869 | s->mod_conf_ctrl[0] = value; | |
1870 | omap_pin_modconf1_update(s, diff, value); | |
1871 | return; | |
1872 | ||
1873 | default: | |
1874 | OMAP_BAD_REG(addr); | |
1875 | } | |
1876 | } | |
1877 | ||
1878 | static CPUReadMemoryFunc *omap_pin_cfg_readfn[] = { | |
1879 | omap_badwidth_read32, | |
1880 | omap_badwidth_read32, | |
1881 | omap_pin_cfg_read, | |
1882 | }; | |
1883 | ||
1884 | static CPUWriteMemoryFunc *omap_pin_cfg_writefn[] = { | |
1885 | omap_badwidth_write32, | |
1886 | omap_badwidth_write32, | |
1887 | omap_pin_cfg_write, | |
1888 | }; | |
1889 | ||
1890 | static void omap_pin_cfg_reset(struct omap_mpu_state_s *mpu) | |
1891 | { | |
1892 | /* Start in Compatibility Mode. */ | |
1893 | mpu->compat1509 = 1; | |
1894 | omap_pin_funcmux0_update(mpu, mpu->func_mux_ctrl[0], 0); | |
1895 | omap_pin_funcmux1_update(mpu, mpu->func_mux_ctrl[1], 0); | |
1896 | omap_pin_modconf1_update(mpu, mpu->mod_conf_ctrl[0], 0); | |
1897 | memset(mpu->func_mux_ctrl, 0, sizeof(mpu->func_mux_ctrl)); | |
1898 | memset(mpu->comp_mode_ctrl, 0, sizeof(mpu->comp_mode_ctrl)); | |
1899 | memset(mpu->pull_dwn_ctrl, 0, sizeof(mpu->pull_dwn_ctrl)); | |
1900 | memset(mpu->gate_inh_ctrl, 0, sizeof(mpu->gate_inh_ctrl)); | |
1901 | memset(mpu->voltage_ctrl, 0, sizeof(mpu->voltage_ctrl)); | |
1902 | memset(mpu->test_dbg_ctrl, 0, sizeof(mpu->test_dbg_ctrl)); | |
1903 | memset(mpu->mod_conf_ctrl, 0, sizeof(mpu->mod_conf_ctrl)); | |
1904 | } | |
1905 | ||
1906 | static void omap_pin_cfg_init(target_phys_addr_t base, | |
1907 | struct omap_mpu_state_s *mpu) | |
1908 | { | |
1909 | int iomemtype = cpu_register_io_memory(0, omap_pin_cfg_readfn, | |
1910 | omap_pin_cfg_writefn, mpu); | |
1911 | ||
1912 | mpu->pin_cfg_base = base; | |
1913 | cpu_register_physical_memory(mpu->pin_cfg_base, 0x800, iomemtype); | |
1914 | omap_pin_cfg_reset(mpu); | |
1915 | } | |
1916 | ||
1917 | /* Device Identification, Die Identification */ | |
1918 | static uint32_t omap_id_read(void *opaque, target_phys_addr_t addr) | |
1919 | { | |
1920 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1921 | ||
1922 | switch (addr) { | |
1923 | case 0xfffe1800: /* DIE_ID_LSB */ | |
1924 | return 0xc9581f0e; | |
1925 | case 0xfffe1804: /* DIE_ID_MSB */ | |
1926 | return 0xa8858bfa; | |
1927 | ||
1928 | case 0xfffe2000: /* PRODUCT_ID_LSB */ | |
1929 | return 0x00aaaafc; | |
1930 | case 0xfffe2004: /* PRODUCT_ID_MSB */ | |
1931 | return 0xcafeb574; | |
1932 | ||
1933 | case 0xfffed400: /* JTAG_ID_LSB */ | |
1934 | switch (s->mpu_model) { | |
1935 | case omap310: | |
1936 | return 0x03310315; | |
1937 | case omap1510: | |
1938 | return 0x03310115; | |
1939 | } | |
1940 | break; | |
1941 | ||
1942 | case 0xfffed404: /* JTAG_ID_MSB */ | |
1943 | switch (s->mpu_model) { | |
1944 | case omap310: | |
1945 | return 0xfb57402f; | |
1946 | case omap1510: | |
1947 | return 0xfb47002f; | |
1948 | } | |
1949 | break; | |
1950 | } | |
1951 | ||
1952 | OMAP_BAD_REG(addr); | |
1953 | return 0; | |
1954 | } | |
1955 | ||
1956 | static void omap_id_write(void *opaque, target_phys_addr_t addr, | |
1957 | uint32_t value) | |
1958 | { | |
1959 | OMAP_BAD_REG(addr); | |
1960 | } | |
1961 | ||
1962 | static CPUReadMemoryFunc *omap_id_readfn[] = { | |
1963 | omap_badwidth_read32, | |
1964 | omap_badwidth_read32, | |
1965 | omap_id_read, | |
1966 | }; | |
1967 | ||
1968 | static CPUWriteMemoryFunc *omap_id_writefn[] = { | |
1969 | omap_badwidth_write32, | |
1970 | omap_badwidth_write32, | |
1971 | omap_id_write, | |
1972 | }; | |
1973 | ||
1974 | static void omap_id_init(struct omap_mpu_state_s *mpu) | |
1975 | { | |
1976 | int iomemtype = cpu_register_io_memory(0, omap_id_readfn, | |
1977 | omap_id_writefn, mpu); | |
1978 | cpu_register_physical_memory(0xfffe1800, 0x800, iomemtype); | |
1979 | cpu_register_physical_memory(0xfffed400, 0x100, iomemtype); | |
1980 | if (!cpu_is_omap15xx(mpu)) | |
1981 | cpu_register_physical_memory(0xfffe2000, 0x800, iomemtype); | |
1982 | } | |
1983 | ||
1984 | /* MPUI Control (Dummy) */ | |
1985 | static uint32_t omap_mpui_read(void *opaque, target_phys_addr_t addr) | |
1986 | { | |
1987 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1988 | int offset = addr - s->mpui_base; | |
1989 | ||
1990 | switch (offset) { | |
1991 | case 0x00: /* CTRL */ | |
1992 | return s->mpui_ctrl; | |
1993 | case 0x04: /* DEBUG_ADDR */ | |
1994 | return 0x01ffffff; | |
1995 | case 0x08: /* DEBUG_DATA */ | |
1996 | return 0xffffffff; | |
1997 | case 0x0c: /* DEBUG_FLAG */ | |
1998 | return 0x00000800; | |
1999 | case 0x10: /* STATUS */ | |
2000 | return 0x00000000; | |
2001 | ||
2002 | /* Not in OMAP310 */ | |
2003 | case 0x14: /* DSP_STATUS */ | |
2004 | case 0x18: /* DSP_BOOT_CONFIG */ | |
2005 | return 0x00000000; | |
2006 | case 0x1c: /* DSP_MPUI_CONFIG */ | |
2007 | return 0x0000ffff; | |
2008 | } | |
2009 | ||
2010 | OMAP_BAD_REG(addr); | |
2011 | return 0; | |
2012 | } | |
2013 | ||
2014 | static void omap_mpui_write(void *opaque, target_phys_addr_t addr, | |
2015 | uint32_t value) | |
2016 | { | |
2017 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
2018 | int offset = addr - s->mpui_base; | |
2019 | ||
2020 | switch (offset) { | |
2021 | case 0x00: /* CTRL */ | |
2022 | s->mpui_ctrl = value & 0x007fffff; | |
2023 | break; | |
2024 | ||
2025 | case 0x04: /* DEBUG_ADDR */ | |
2026 | case 0x08: /* DEBUG_DATA */ | |
2027 | case 0x0c: /* DEBUG_FLAG */ | |
2028 | case 0x10: /* STATUS */ | |
2029 | /* Not in OMAP310 */ | |
2030 | case 0x14: /* DSP_STATUS */ | |
2031 | OMAP_RO_REG(addr); | |
2032 | case 0x18: /* DSP_BOOT_CONFIG */ | |
2033 | case 0x1c: /* DSP_MPUI_CONFIG */ | |
2034 | break; | |
2035 | ||
2036 | default: | |
2037 | OMAP_BAD_REG(addr); | |
2038 | } | |
2039 | } | |
2040 | ||
2041 | static CPUReadMemoryFunc *omap_mpui_readfn[] = { | |
2042 | omap_badwidth_read32, | |
2043 | omap_badwidth_read32, | |
2044 | omap_mpui_read, | |
2045 | }; | |
2046 | ||
2047 | static CPUWriteMemoryFunc *omap_mpui_writefn[] = { | |
2048 | omap_badwidth_write32, | |
2049 | omap_badwidth_write32, | |
2050 | omap_mpui_write, | |
2051 | }; | |
2052 | ||
2053 | static void omap_mpui_reset(struct omap_mpu_state_s *s) | |
2054 | { | |
2055 | s->mpui_ctrl = 0x0003ff1b; | |
2056 | } | |
2057 | ||
2058 | static void omap_mpui_init(target_phys_addr_t base, | |
2059 | struct omap_mpu_state_s *mpu) | |
2060 | { | |
2061 | int iomemtype = cpu_register_io_memory(0, omap_mpui_readfn, | |
2062 | omap_mpui_writefn, mpu); | |
2063 | ||
2064 | mpu->mpui_base = base; | |
2065 | cpu_register_physical_memory(mpu->mpui_base, 0x100, iomemtype); | |
2066 | ||
2067 | omap_mpui_reset(mpu); | |
2068 | } | |
2069 | ||
2070 | /* TIPB Bridges */ | |
2071 | struct omap_tipb_bridge_s { | |
2072 | target_phys_addr_t base; | |
2073 | qemu_irq abort; | |
2074 | ||
2075 | int width_intr; | |
2076 | uint16_t control; | |
2077 | uint16_t alloc; | |
2078 | uint16_t buffer; | |
2079 | uint16_t enh_control; | |
2080 | }; | |
2081 | ||
2082 | static uint32_t omap_tipb_bridge_read(void *opaque, target_phys_addr_t addr) | |
2083 | { | |
2084 | struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque; | |
2085 | int offset = addr - s->base; | |
2086 | ||
2087 | switch (offset) { | |
2088 | case 0x00: /* TIPB_CNTL */ | |
2089 | return s->control; | |
2090 | case 0x04: /* TIPB_BUS_ALLOC */ | |
2091 | return s->alloc; | |
2092 | case 0x08: /* MPU_TIPB_CNTL */ | |
2093 | return s->buffer; | |
2094 | case 0x0c: /* ENHANCED_TIPB_CNTL */ | |
2095 | return s->enh_control; | |
2096 | case 0x10: /* ADDRESS_DBG */ | |
2097 | case 0x14: /* DATA_DEBUG_LOW */ | |
2098 | case 0x18: /* DATA_DEBUG_HIGH */ | |
2099 | return 0xffff; | |
2100 | case 0x1c: /* DEBUG_CNTR_SIG */ | |
2101 | return 0x00f8; | |
2102 | } | |
2103 | ||
2104 | OMAP_BAD_REG(addr); | |
2105 | return 0; | |
2106 | } | |
2107 | ||
2108 | static void omap_tipb_bridge_write(void *opaque, target_phys_addr_t addr, | |
2109 | uint32_t value) | |
2110 | { | |
2111 | struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque; | |
2112 | int offset = addr - s->base; | |
2113 | ||
2114 | switch (offset) { | |
2115 | case 0x00: /* TIPB_CNTL */ | |
2116 | s->control = value & 0xffff; | |
2117 | break; | |
2118 | ||
2119 | case 0x04: /* TIPB_BUS_ALLOC */ | |
2120 | s->alloc = value & 0x003f; | |
2121 | break; | |
2122 | ||
2123 | case 0x08: /* MPU_TIPB_CNTL */ | |
2124 | s->buffer = value & 0x0003; | |
2125 | break; | |
2126 | ||
2127 | case 0x0c: /* ENHANCED_TIPB_CNTL */ | |
2128 | s->width_intr = !(value & 2); | |
2129 | s->enh_control = value & 0x000f; | |
2130 | break; | |
2131 | ||
2132 | case 0x10: /* ADDRESS_DBG */ | |
2133 | case 0x14: /* DATA_DEBUG_LOW */ | |
2134 | case 0x18: /* DATA_DEBUG_HIGH */ | |
2135 | case 0x1c: /* DEBUG_CNTR_SIG */ | |
2136 | OMAP_RO_REG(addr); | |
2137 | break; | |
2138 | ||
2139 | default: | |
2140 | OMAP_BAD_REG(addr); | |
2141 | } | |
2142 | } | |
2143 | ||
2144 | static CPUReadMemoryFunc *omap_tipb_bridge_readfn[] = { | |
2145 | omap_badwidth_read16, | |
2146 | omap_tipb_bridge_read, | |
2147 | omap_tipb_bridge_read, | |
2148 | }; | |
2149 | ||
2150 | static CPUWriteMemoryFunc *omap_tipb_bridge_writefn[] = { | |
2151 | omap_badwidth_write16, | |
2152 | omap_tipb_bridge_write, | |
2153 | omap_tipb_bridge_write, | |
2154 | }; | |
2155 | ||
2156 | static void omap_tipb_bridge_reset(struct omap_tipb_bridge_s *s) | |
2157 | { | |
2158 | s->control = 0xffff; | |
2159 | s->alloc = 0x0009; | |
2160 | s->buffer = 0x0000; | |
2161 | s->enh_control = 0x000f; | |
2162 | } | |
2163 | ||
2164 | struct omap_tipb_bridge_s *omap_tipb_bridge_init(target_phys_addr_t base, | |
2165 | qemu_irq abort_irq, omap_clk clk) | |
2166 | { | |
2167 | int iomemtype; | |
2168 | struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) | |
2169 | qemu_mallocz(sizeof(struct omap_tipb_bridge_s)); | |
2170 | ||
2171 | s->abort = abort_irq; | |
2172 | s->base = base; | |
2173 | omap_tipb_bridge_reset(s); | |
2174 | ||
2175 | iomemtype = cpu_register_io_memory(0, omap_tipb_bridge_readfn, | |
2176 | omap_tipb_bridge_writefn, s); | |
2177 | cpu_register_physical_memory(s->base, 0x100, iomemtype); | |
2178 | ||
2179 | return s; | |
2180 | } | |
2181 | ||
2182 | /* Dummy Traffic Controller's Memory Interface */ | |
2183 | static uint32_t omap_tcmi_read(void *opaque, target_phys_addr_t addr) | |
2184 | { | |
2185 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
2186 | int offset = addr - s->tcmi_base; | |
2187 | uint32_t ret; | |
2188 | ||
2189 | switch (offset) { | |
2190 | case 0xfffecc00: /* IMIF_PRIO */ | |
2191 | case 0xfffecc04: /* EMIFS_PRIO */ | |
2192 | case 0xfffecc08: /* EMIFF_PRIO */ | |
2193 | case 0xfffecc0c: /* EMIFS_CONFIG */ | |
2194 | case 0xfffecc10: /* EMIFS_CS0_CONFIG */ | |
2195 | case 0xfffecc14: /* EMIFS_CS1_CONFIG */ | |
2196 | case 0xfffecc18: /* EMIFS_CS2_CONFIG */ | |
2197 | case 0xfffecc1c: /* EMIFS_CS3_CONFIG */ | |
2198 | case 0xfffecc24: /* EMIFF_MRS */ | |
2199 | case 0xfffecc28: /* TIMEOUT1 */ | |
2200 | case 0xfffecc2c: /* TIMEOUT2 */ | |
2201 | case 0xfffecc30: /* TIMEOUT3 */ | |
2202 | case 0xfffecc3c: /* EMIFF_SDRAM_CONFIG_2 */ | |
2203 | case 0xfffecc40: /* EMIFS_CFG_DYN_WAIT */ | |
2204 | return s->tcmi_regs[offset >> 2]; | |
2205 | ||
2206 | case 0xfffecc20: /* EMIFF_SDRAM_CONFIG */ | |
2207 | ret = s->tcmi_regs[offset >> 2]; | |
2208 | s->tcmi_regs[offset >> 2] &= ~1; /* XXX: Clear SLRF on SDRAM access */ | |
2209 | /* XXX: We can try using the VGA_DIRTY flag for this */ | |
2210 | return ret; | |
2211 | } | |
2212 | ||
2213 | OMAP_BAD_REG(addr); | |
2214 | return 0; | |
2215 | } | |
2216 | ||
2217 | static void omap_tcmi_write(void *opaque, target_phys_addr_t addr, | |
2218 | uint32_t value) | |
2219 | { | |
2220 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
2221 | int offset = addr - s->tcmi_base; | |
2222 | ||
2223 | switch (offset) { | |
2224 | case 0xfffecc00: /* IMIF_PRIO */ | |
2225 | case 0xfffecc04: /* EMIFS_PRIO */ | |
2226 | case 0xfffecc08: /* EMIFF_PRIO */ | |
2227 | case 0xfffecc10: /* EMIFS_CS0_CONFIG */ | |
2228 | case 0xfffecc14: /* EMIFS_CS1_CONFIG */ | |
2229 | case 0xfffecc18: /* EMIFS_CS2_CONFIG */ | |
2230 | case 0xfffecc1c: /* EMIFS_CS3_CONFIG */ | |
2231 | case 0xfffecc20: /* EMIFF_SDRAM_CONFIG */ | |
2232 | case 0xfffecc24: /* EMIFF_MRS */ | |
2233 | case 0xfffecc28: /* TIMEOUT1 */ | |
2234 | case 0xfffecc2c: /* TIMEOUT2 */ | |
2235 | case 0xfffecc30: /* TIMEOUT3 */ | |
2236 | case 0xfffecc3c: /* EMIFF_SDRAM_CONFIG_2 */ | |
2237 | case 0xfffecc40: /* EMIFS_CFG_DYN_WAIT */ | |
2238 | s->tcmi_regs[offset >> 2] = value; | |
2239 | break; | |
2240 | case 0xfffecc0c: /* EMIFS_CONFIG */ | |
2241 | s->tcmi_regs[offset >> 2] = (value & 0xf) | (1 << 4); | |
2242 | break; | |
2243 | ||
2244 | default: | |
2245 | OMAP_BAD_REG(addr); | |
2246 | } | |
2247 | } | |
2248 | ||
2249 | static CPUReadMemoryFunc *omap_tcmi_readfn[] = { | |
2250 | omap_badwidth_read32, | |
2251 | omap_badwidth_read32, | |
2252 | omap_tcmi_read, | |
2253 | }; | |
2254 | ||
2255 | static CPUWriteMemoryFunc *omap_tcmi_writefn[] = { | |
2256 | omap_badwidth_write32, | |
2257 | omap_badwidth_write32, | |
2258 | omap_tcmi_write, | |
2259 | }; | |
2260 | ||
2261 | static void omap_tcmi_reset(struct omap_mpu_state_s *mpu) | |
2262 | { | |
2263 | mpu->tcmi_regs[0x00 >> 2] = 0x00000000; | |
2264 | mpu->tcmi_regs[0x04 >> 2] = 0x00000000; | |
2265 | mpu->tcmi_regs[0x08 >> 2] = 0x00000000; | |
2266 | mpu->tcmi_regs[0x0c >> 2] = 0x00000010; | |
2267 | mpu->tcmi_regs[0x10 >> 2] = 0x0010fffb; | |
2268 | mpu->tcmi_regs[0x14 >> 2] = 0x0010fffb; | |
2269 | mpu->tcmi_regs[0x18 >> 2] = 0x0010fffb; | |
2270 | mpu->tcmi_regs[0x1c >> 2] = 0x0010fffb; | |
2271 | mpu->tcmi_regs[0x20 >> 2] = 0x00618800; | |
2272 | mpu->tcmi_regs[0x24 >> 2] = 0x00000037; | |
2273 | mpu->tcmi_regs[0x28 >> 2] = 0x00000000; | |
2274 | mpu->tcmi_regs[0x2c >> 2] = 0x00000000; | |
2275 | mpu->tcmi_regs[0x30 >> 2] = 0x00000000; | |
2276 | mpu->tcmi_regs[0x3c >> 2] = 0x00000003; | |
2277 | mpu->tcmi_regs[0x40 >> 2] = 0x00000000; | |
2278 | } | |
2279 | ||
2280 | static void omap_tcmi_init(target_phys_addr_t base, | |
2281 | struct omap_mpu_state_s *mpu) | |
2282 | { | |
2283 | int iomemtype = cpu_register_io_memory(0, omap_tcmi_readfn, | |
2284 | omap_tcmi_writefn, mpu); | |
2285 | ||
2286 | mpu->tcmi_base = base; | |
2287 | cpu_register_physical_memory(mpu->tcmi_base, 0x100, iomemtype); | |
2288 | omap_tcmi_reset(mpu); | |
2289 | } | |
2290 | ||
2291 | /* Digital phase-locked loops control */ | |
2292 | static uint32_t omap_dpll_read(void *opaque, target_phys_addr_t addr) | |
2293 | { | |
2294 | struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque; | |
2295 | int offset = addr - s->base; | |
2296 | ||
2297 | if (offset == 0x00) /* CTL_REG */ | |
2298 | return s->mode; | |
2299 | ||
2300 | OMAP_BAD_REG(addr); | |
2301 | return 0; | |
2302 | } | |
2303 | ||
2304 | static void omap_dpll_write(void *opaque, target_phys_addr_t addr, | |
2305 | uint32_t value) | |
2306 | { | |
2307 | struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque; | |
2308 | uint16_t diff; | |
2309 | int offset = addr - s->base; | |
2310 | static const int bypass_div[4] = { 1, 2, 4, 4 }; | |
2311 | int div, mult; | |
2312 | ||
2313 | if (offset == 0x00) { /* CTL_REG */ | |
2314 | /* See omap_ulpd_pm_write() too */ | |
2315 | diff = s->mode & value; | |
2316 | s->mode = value & 0x2fff; | |
2317 | if (diff & (0x3ff << 2)) { | |
2318 | if (value & (1 << 4)) { /* PLL_ENABLE */ | |
2319 | div = ((value >> 5) & 3) + 1; /* PLL_DIV */ | |
2320 | mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */ | |
2321 | } else { | |
2322 | div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */ | |
2323 | mult = 1; | |
2324 | } | |
2325 | omap_clk_setrate(s->dpll, div, mult); | |
2326 | } | |
2327 | ||
2328 | /* Enter the desired mode. */ | |
2329 | s->mode = (s->mode & 0xfffe) | ((s->mode >> 4) & 1); | |
2330 | ||
2331 | /* Act as if the lock is restored. */ | |
2332 | s->mode |= 2; | |
2333 | } else { | |
2334 | OMAP_BAD_REG(addr); | |
2335 | } | |
2336 | } | |
2337 | ||
2338 | static CPUReadMemoryFunc *omap_dpll_readfn[] = { | |
2339 | omap_badwidth_read16, | |
2340 | omap_dpll_read, | |
2341 | omap_badwidth_read16, | |
2342 | }; | |
2343 | ||
2344 | static CPUWriteMemoryFunc *omap_dpll_writefn[] = { | |
2345 | omap_badwidth_write16, | |
2346 | omap_dpll_write, | |
2347 | omap_badwidth_write16, | |
2348 | }; | |
2349 | ||
2350 | static void omap_dpll_reset(struct dpll_ctl_s *s) | |
2351 | { | |
2352 | s->mode = 0x2002; | |
2353 | omap_clk_setrate(s->dpll, 1, 1); | |
2354 | } | |
2355 | ||
2356 | static void omap_dpll_init(struct dpll_ctl_s *s, target_phys_addr_t base, | |
2357 | omap_clk clk) | |
2358 | { | |
2359 | int iomemtype = cpu_register_io_memory(0, omap_dpll_readfn, | |
2360 | omap_dpll_writefn, s); | |
2361 | ||
2362 | s->base = base; | |
2363 | s->dpll = clk; | |
2364 | omap_dpll_reset(s); | |
2365 | ||
2366 | cpu_register_physical_memory(s->base, 0x100, iomemtype); | |
2367 | } | |
2368 | ||
2369 | /* UARTs */ | |
2370 | struct omap_uart_s { | |
2371 | SerialState *serial; /* TODO */ | |
2372 | }; | |
2373 | ||
2374 | static void omap_uart_reset(struct omap_uart_s *s) | |
2375 | { | |
2376 | } | |
2377 | ||
2378 | struct omap_uart_s *omap_uart_init(target_phys_addr_t base, | |
2379 | qemu_irq irq, omap_clk clk, CharDriverState *chr) | |
2380 | { | |
2381 | struct omap_uart_s *s = (struct omap_uart_s *) | |
2382 | qemu_mallocz(sizeof(struct omap_uart_s)); | |
2383 | if (chr) | |
2384 | s->serial = serial_mm_init(base, 2, irq, chr, 1); | |
2385 | return s; | |
2386 | } | |
2387 | ||
2388 | /* MPU Clock/Reset/Power Mode Control */ | |
2389 | static uint32_t omap_clkm_read(void *opaque, target_phys_addr_t addr) | |
2390 | { | |
2391 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
2392 | int offset = addr - s->clkm.mpu_base; | |
2393 | ||
2394 | switch (offset) { | |
2395 | case 0x00: /* ARM_CKCTL */ | |
2396 | return s->clkm.arm_ckctl; | |
2397 | ||
2398 | case 0x04: /* ARM_IDLECT1 */ | |
2399 | return s->clkm.arm_idlect1; | |
2400 | ||
2401 | case 0x08: /* ARM_IDLECT2 */ | |
2402 | return s->clkm.arm_idlect2; | |
2403 | ||
2404 | case 0x0c: /* ARM_EWUPCT */ | |
2405 | return s->clkm.arm_ewupct; | |
2406 | ||
2407 | case 0x10: /* ARM_RSTCT1 */ | |
2408 | return s->clkm.arm_rstct1; | |
2409 | ||
2410 | case 0x14: /* ARM_RSTCT2 */ | |
2411 | return s->clkm.arm_rstct2; | |
2412 | ||
2413 | case 0x18: /* ARM_SYSST */ | |
2414 | return (s->clkm.clocking_scheme < 11) | s->clkm.cold_start; | |
2415 | ||
2416 | case 0x1c: /* ARM_CKOUT1 */ | |
2417 | return s->clkm.arm_ckout1; | |
2418 | ||
2419 | case 0x20: /* ARM_CKOUT2 */ | |
2420 | break; | |
2421 | } | |
2422 | ||
2423 | OMAP_BAD_REG(addr); | |
2424 | return 0; | |
2425 | } | |
2426 | ||
2427 | static inline void omap_clkm_ckctl_update(struct omap_mpu_state_s *s, | |
2428 | uint16_t diff, uint16_t value) | |
2429 | { | |
2430 | omap_clk clk; | |
2431 | ||
2432 | if (diff & (1 << 14)) { /* ARM_INTHCK_SEL */ | |
2433 | if (value & (1 << 14)) | |
2434 | /* Reserved */; | |
2435 | else { | |
2436 | clk = omap_findclk(s, "arminth_ck"); | |
2437 | omap_clk_reparent(clk, omap_findclk(s, "tc_ck")); | |
2438 | } | |
2439 | } | |
2440 | if (diff & (1 << 12)) { /* ARM_TIMXO */ | |
2441 | clk = omap_findclk(s, "armtim_ck"); | |
2442 | if (value & (1 << 12)) | |
2443 | omap_clk_reparent(clk, omap_findclk(s, "clkin")); | |
2444 | else | |
2445 | omap_clk_reparent(clk, omap_findclk(s, "ck_gen1")); | |
2446 | } | |
2447 | /* XXX: en_dspck */ | |
2448 | if (diff & (3 << 10)) { /* DSPMMUDIV */ | |
2449 | clk = omap_findclk(s, "dspmmu_ck"); | |
2450 | omap_clk_setrate(clk, 1 << ((value >> 10) & 3), 1); | |
2451 | } | |
2452 | if (diff & (3 << 8)) { /* TCDIV */ | |
2453 | clk = omap_findclk(s, "tc_ck"); | |
2454 | omap_clk_setrate(clk, 1 << ((value >> 8) & 3), 1); | |
2455 | } | |
2456 | if (diff & (3 << 6)) { /* DSPDIV */ | |
2457 | clk = omap_findclk(s, "dsp_ck"); | |
2458 | omap_clk_setrate(clk, 1 << ((value >> 6) & 3), 1); | |
2459 | } | |
2460 | if (diff & (3 << 4)) { /* ARMDIV */ | |
2461 | clk = omap_findclk(s, "arm_ck"); | |
2462 | omap_clk_setrate(clk, 1 << ((value >> 4) & 3), 1); | |
2463 | } | |
2464 | if (diff & (3 << 2)) { /* LCDDIV */ | |
2465 | clk = omap_findclk(s, "lcd_ck"); | |
2466 | omap_clk_setrate(clk, 1 << ((value >> 2) & 3), 1); | |
2467 | } | |
2468 | if (diff & (3 << 0)) { /* PERDIV */ | |
2469 | clk = omap_findclk(s, "armper_ck"); | |
2470 | omap_clk_setrate(clk, 1 << ((value >> 0) & 3), 1); | |
2471 | } | |
2472 | } | |
2473 | ||
2474 | static inline void omap_clkm_idlect1_update(struct omap_mpu_state_s *s, | |
2475 | uint16_t diff, uint16_t value) | |
2476 | { | |
2477 | omap_clk clk; | |
2478 | ||
2479 | if (value & (1 << 11)) /* SETARM_IDLE */ | |
2480 | cpu_interrupt(s->env, CPU_INTERRUPT_HALT); | |
2481 | if (!(value & (1 << 10))) /* WKUP_MODE */ | |
2482 | qemu_system_shutdown_request(); /* XXX: disable wakeup from IRQ */ | |
2483 | ||
2484 | #define SET_CANIDLE(clock, bit) \ | |
2485 | if (diff & (1 << bit)) { \ | |
2486 | clk = omap_findclk(s, clock); \ | |
2487 | omap_clk_canidle(clk, (value >> bit) & 1); \ | |
2488 | } | |
2489 | SET_CANIDLE("mpuwd_ck", 0) /* IDLWDT_ARM */ | |
2490 | SET_CANIDLE("armxor_ck", 1) /* IDLXORP_ARM */ | |
2491 | SET_CANIDLE("mpuper_ck", 2) /* IDLPER_ARM */ | |
2492 | SET_CANIDLE("lcd_ck", 3) /* IDLLCD_ARM */ | |
2493 | SET_CANIDLE("lb_ck", 4) /* IDLLB_ARM */ | |
2494 | SET_CANIDLE("hsab_ck", 5) /* IDLHSAB_ARM */ | |
2495 | SET_CANIDLE("tipb_ck", 6) /* IDLIF_ARM */ | |
2496 | SET_CANIDLE("dma_ck", 6) /* IDLIF_ARM */ | |
2497 | SET_CANIDLE("tc_ck", 6) /* IDLIF_ARM */ | |
2498 | SET_CANIDLE("dpll1", 7) /* IDLDPLL_ARM */ | |
2499 | SET_CANIDLE("dpll2", 7) /* IDLDPLL_ARM */ | |
2500 | SET_CANIDLE("dpll3", 7) /* IDLDPLL_ARM */ | |
2501 | SET_CANIDLE("mpui_ck", 8) /* IDLAPI_ARM */ | |
2502 | SET_CANIDLE("armtim_ck", 9) /* IDLTIM_ARM */ | |
2503 | } | |
2504 | ||
2505 | static inline void omap_clkm_idlect2_update(struct omap_mpu_state_s *s, | |
2506 | uint16_t diff, uint16_t value) | |
2507 | { | |
2508 | omap_clk clk; | |
2509 | ||
2510 | #define SET_ONOFF(clock, bit) \ | |
2511 | if (diff & (1 << bit)) { \ | |
2512 | clk = omap_findclk(s, clock); \ | |
2513 | omap_clk_onoff(clk, (value >> bit) & 1); \ | |
2514 | } | |
2515 | SET_ONOFF("mpuwd_ck", 0) /* EN_WDTCK */ | |
2516 | SET_ONOFF("armxor_ck", 1) /* EN_XORPCK */ | |
2517 | SET_ONOFF("mpuper_ck", 2) /* EN_PERCK */ | |
2518 | SET_ONOFF("lcd_ck", 3) /* EN_LCDCK */ | |
2519 | SET_ONOFF("lb_ck", 4) /* EN_LBCK */ | |
2520 | SET_ONOFF("hsab_ck", 5) /* EN_HSABCK */ | |
2521 | SET_ONOFF("mpui_ck", 6) /* EN_APICK */ | |
2522 | SET_ONOFF("armtim_ck", 7) /* EN_TIMCK */ | |
2523 | SET_CANIDLE("dma_ck", 8) /* DMACK_REQ */ | |
2524 | SET_ONOFF("arm_gpio_ck", 9) /* EN_GPIOCK */ | |
2525 | SET_ONOFF("lbfree_ck", 10) /* EN_LBFREECK */ | |
2526 | } | |
2527 | ||
2528 | static inline void omap_clkm_ckout1_update(struct omap_mpu_state_s *s, | |
2529 | uint16_t diff, uint16_t value) | |
2530 | { | |
2531 | omap_clk clk; | |
2532 | ||
2533 | if (diff & (3 << 4)) { /* TCLKOUT */ | |
2534 | clk = omap_findclk(s, "tclk_out"); | |
2535 | switch ((value >> 4) & 3) { | |
2536 | case 1: | |
2537 | omap_clk_reparent(clk, omap_findclk(s, "ck_gen3")); | |
2538 | omap_clk_onoff(clk, 1); | |
2539 | break; | |
2540 | case 2: | |
2541 | omap_clk_reparent(clk, omap_findclk(s, "tc_ck")); | |
2542 | omap_clk_onoff(clk, 1); | |
2543 | break; | |
2544 | default: | |
2545 | omap_clk_onoff(clk, 0); | |
2546 | } | |
2547 | } | |
2548 | if (diff & (3 << 2)) { /* DCLKOUT */ | |
2549 | clk = omap_findclk(s, "dclk_out"); | |
2550 | switch ((value >> 2) & 3) { | |
2551 | case 0: | |
2552 | omap_clk_reparent(clk, omap_findclk(s, "dspmmu_ck")); | |
2553 | break; | |
2554 | case 1: | |
2555 | omap_clk_reparent(clk, omap_findclk(s, "ck_gen2")); | |
2556 | break; | |
2557 | case 2: | |
2558 | omap_clk_reparent(clk, omap_findclk(s, "dsp_ck")); | |
2559 | break; | |
2560 | case 3: | |
2561 | omap_clk_reparent(clk, omap_findclk(s, "ck_ref14")); | |
2562 | break; | |
2563 | } | |
2564 | } | |
2565 | if (diff & (3 << 0)) { /* ACLKOUT */ | |
2566 | clk = omap_findclk(s, "aclk_out"); | |
2567 | switch ((value >> 0) & 3) { | |
2568 | case 1: | |
2569 | omap_clk_reparent(clk, omap_findclk(s, "ck_gen1")); | |
2570 | omap_clk_onoff(clk, 1); | |
2571 | break; | |
2572 | case 2: | |
2573 | omap_clk_reparent(clk, omap_findclk(s, "arm_ck")); | |
2574 | omap_clk_onoff(clk, 1); | |
2575 | break; | |
2576 | case 3: | |
2577 | omap_clk_reparent(clk, omap_findclk(s, "ck_ref14")); | |
2578 | omap_clk_onoff(clk, 1); | |
2579 | break; | |
2580 | default: | |
2581 | omap_clk_onoff(clk, 0); | |
2582 | } | |
2583 | } | |
2584 | } | |
2585 | ||
2586 | static void omap_clkm_write(void *opaque, target_phys_addr_t addr, | |
2587 | uint32_t value) | |
2588 | { | |
2589 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
2590 | int offset = addr - s->clkm.mpu_base; | |
2591 | uint16_t diff; | |
2592 | omap_clk clk; | |
2593 | static const char *clkschemename[8] = { | |
2594 | "fully synchronous", "fully asynchronous", "synchronous scalable", | |
2595 | "mix mode 1", "mix mode 2", "bypass mode", "mix mode 3", "mix mode 4", | |
2596 | }; | |
2597 | ||
2598 | switch (offset) { | |
2599 | case 0x00: /* ARM_CKCTL */ | |
2600 | diff = s->clkm.arm_ckctl ^ value; | |
2601 | s->clkm.arm_ckctl = value & 0x7fff; | |
2602 | omap_clkm_ckctl_update(s, diff, value); | |
2603 | return; | |
2604 | ||
2605 | case 0x04: /* ARM_IDLECT1 */ | |
2606 | diff = s->clkm.arm_idlect1 ^ value; | |
2607 | s->clkm.arm_idlect1 = value & 0x0fff; | |
2608 | omap_clkm_idlect1_update(s, diff, value); | |
2609 | return; | |
2610 | ||
2611 | case 0x08: /* ARM_IDLECT2 */ | |
2612 | diff = s->clkm.arm_idlect2 ^ value; | |
2613 | s->clkm.arm_idlect2 = value & 0x07ff; | |
2614 | omap_clkm_idlect2_update(s, diff, value); | |
2615 | return; | |
2616 | ||
2617 | case 0x0c: /* ARM_EWUPCT */ | |
2618 | diff = s->clkm.arm_ewupct ^ value; | |
2619 | s->clkm.arm_ewupct = value & 0x003f; | |
2620 | return; | |
2621 | ||
2622 | case 0x10: /* ARM_RSTCT1 */ | |
2623 | diff = s->clkm.arm_rstct1 ^ value; | |
2624 | s->clkm.arm_rstct1 = value & 0x0007; | |
2625 | if (value & 9) { | |
2626 | qemu_system_reset_request(); | |
2627 | s->clkm.cold_start = 0xa; | |
2628 | } | |
2629 | if (diff & ~value & 4) { /* DSP_RST */ | |
2630 | omap_mpui_reset(s); | |
2631 | omap_tipb_bridge_reset(s->private_tipb); | |
2632 | omap_tipb_bridge_reset(s->public_tipb); | |
2633 | } | |
2634 | if (diff & 2) { /* DSP_EN */ | |
2635 | clk = omap_findclk(s, "dsp_ck"); | |
2636 | omap_clk_canidle(clk, (~value >> 1) & 1); | |
2637 | } | |
2638 | return; | |
2639 | ||
2640 | case 0x14: /* ARM_RSTCT2 */ | |
2641 | s->clkm.arm_rstct2 = value & 0x0001; | |
2642 | return; | |
2643 | ||
2644 | case 0x18: /* ARM_SYSST */ | |
2645 | if ((s->clkm.clocking_scheme ^ (value >> 11)) & 7) { | |
2646 | s->clkm.clocking_scheme = (value >> 11) & 7; | |
2647 | printf("%s: clocking scheme set to %s\n", __FUNCTION__, | |
2648 | clkschemename[s->clkm.clocking_scheme]); | |
2649 | } | |
2650 | s->clkm.cold_start &= value & 0x3f; | |
2651 | return; | |
2652 | ||
2653 | case 0x1c: /* ARM_CKOUT1 */ | |
2654 | diff = s->clkm.arm_ckout1 ^ value; | |
2655 | s->clkm.arm_ckout1 = value & 0x003f; | |
2656 | omap_clkm_ckout1_update(s, diff, value); | |
2657 | return; | |
2658 | ||
2659 | case 0x20: /* ARM_CKOUT2 */ | |
2660 | default: | |
2661 | OMAP_BAD_REG(addr); | |
2662 | } | |
2663 | } | |
2664 | ||
2665 | static CPUReadMemoryFunc *omap_clkm_readfn[] = { | |
2666 | omap_badwidth_read16, | |
2667 | omap_clkm_read, | |
2668 | omap_badwidth_read16, | |
2669 | }; | |
2670 | ||
2671 | static CPUWriteMemoryFunc *omap_clkm_writefn[] = { | |
2672 | omap_badwidth_write16, | |
2673 | omap_clkm_write, | |
2674 | omap_badwidth_write16, | |
2675 | }; | |
2676 | ||
2677 | static uint32_t omap_clkdsp_read(void *opaque, target_phys_addr_t addr) | |
2678 | { | |
2679 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
2680 | int offset = addr - s->clkm.dsp_base; | |
2681 | ||
2682 | switch (offset) { | |
2683 | case 0x04: /* DSP_IDLECT1 */ | |
2684 | return s->clkm.dsp_idlect1; | |
2685 | ||
2686 | case 0x08: /* DSP_IDLECT2 */ | |
2687 | return s->clkm.dsp_idlect2; | |
2688 | ||
2689 | case 0x14: /* DSP_RSTCT2 */ | |
2690 | return s->clkm.dsp_rstct2; | |
2691 | ||
2692 | case 0x18: /* DSP_SYSST */ | |
2693 | return (s->clkm.clocking_scheme < 11) | s->clkm.cold_start | | |
2694 | (s->env->halted << 6); /* Quite useless... */ | |
2695 | } | |
2696 | ||
2697 | OMAP_BAD_REG(addr); | |
2698 | return 0; | |
2699 | } | |
2700 | ||
2701 | static inline void omap_clkdsp_idlect1_update(struct omap_mpu_state_s *s, | |
2702 | uint16_t diff, uint16_t value) | |
2703 | { | |
2704 | omap_clk clk; | |
2705 | ||
2706 | SET_CANIDLE("dspxor_ck", 1); /* IDLXORP_DSP */ | |
2707 | } | |
2708 | ||
2709 | static inline void omap_clkdsp_idlect2_update(struct omap_mpu_state_s *s, | |
2710 | uint16_t diff, uint16_t value) | |
2711 | { | |
2712 | omap_clk clk; | |
2713 | ||
2714 | SET_ONOFF("dspxor_ck", 1); /* EN_XORPCK */ | |
2715 | } | |
2716 | ||
2717 | static void omap_clkdsp_write(void *opaque, target_phys_addr_t addr, | |
2718 | uint32_t value) | |
2719 | { | |
2720 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
2721 | int offset = addr - s->clkm.dsp_base; | |
2722 | uint16_t diff; | |
2723 | ||
2724 | switch (offset) { | |
2725 | case 0x04: /* DSP_IDLECT1 */ | |
2726 | diff = s->clkm.dsp_idlect1 ^ value; | |
2727 | s->clkm.dsp_idlect1 = value & 0x01f7; | |
2728 | omap_clkdsp_idlect1_update(s, diff, value); | |
2729 | break; | |
2730 | ||
2731 | case 0x08: /* DSP_IDLECT2 */ | |
2732 | s->clkm.dsp_idlect2 = value & 0x0037; | |
2733 | diff = s->clkm.dsp_idlect1 ^ value; | |
2734 | omap_clkdsp_idlect2_update(s, diff, value); | |
2735 | break; | |
2736 | ||
2737 | case 0x14: /* DSP_RSTCT2 */ | |
2738 | s->clkm.dsp_rstct2 = value & 0x0001; | |
2739 | break; | |
2740 | ||
2741 | case 0x18: /* DSP_SYSST */ | |
2742 | s->clkm.cold_start &= value & 0x3f; | |
2743 | break; | |
2744 | ||
2745 | default: | |
2746 | OMAP_BAD_REG(addr); | |
2747 | } | |
2748 | } | |
2749 | ||
2750 | static CPUReadMemoryFunc *omap_clkdsp_readfn[] = { | |
2751 | omap_badwidth_read16, | |
2752 | omap_clkdsp_read, | |
2753 | omap_badwidth_read16, | |
2754 | }; | |
2755 | ||
2756 | static CPUWriteMemoryFunc *omap_clkdsp_writefn[] = { | |
2757 | omap_badwidth_write16, | |
2758 | omap_clkdsp_write, | |
2759 | omap_badwidth_write16, | |
2760 | }; | |
2761 | ||
2762 | static void omap_clkm_reset(struct omap_mpu_state_s *s) | |
2763 | { | |
2764 | if (s->wdt && s->wdt->reset) | |
2765 | s->clkm.cold_start = 0x6; | |
2766 | s->clkm.clocking_scheme = 0; | |
2767 | omap_clkm_ckctl_update(s, ~0, 0x3000); | |
2768 | s->clkm.arm_ckctl = 0x3000; | |
2769 | omap_clkm_idlect1_update(s, s->clkm.arm_idlect1 & 0x0400, 0x0400); | |
2770 | s->clkm.arm_idlect1 = 0x0400; | |
2771 | omap_clkm_idlect2_update(s, s->clkm.arm_idlect2 & 0x0100, 0x0100); | |
2772 | s->clkm.arm_idlect2 = 0x0100; | |
2773 | s->clkm.arm_ewupct = 0x003f; | |
2774 | s->clkm.arm_rstct1 = 0x0000; | |
2775 | s->clkm.arm_rstct2 = 0x0000; | |
2776 | s->clkm.arm_ckout1 = 0x0015; | |
2777 | s->clkm.dpll1_mode = 0x2002; | |
2778 | omap_clkdsp_idlect1_update(s, s->clkm.dsp_idlect1 ^ 0x0040, 0x0040); | |
2779 | s->clkm.dsp_idlect1 = 0x0040; | |
2780 | omap_clkdsp_idlect2_update(s, ~0, 0x0000); | |
2781 | s->clkm.dsp_idlect2 = 0x0000; | |
2782 | s->clkm.dsp_rstct2 = 0x0000; | |
2783 | } | |
2784 | ||
2785 | static void omap_clkm_init(target_phys_addr_t mpu_base, | |
2786 | target_phys_addr_t dsp_base, struct omap_mpu_state_s *s) | |
2787 | { | |
2788 | int iomemtype[2] = { | |
2789 | cpu_register_io_memory(0, omap_clkm_readfn, omap_clkm_writefn, s), | |
2790 | cpu_register_io_memory(0, omap_clkdsp_readfn, omap_clkdsp_writefn, s), | |
2791 | }; | |
2792 | ||
2793 | s->clkm.mpu_base = mpu_base; | |
2794 | s->clkm.dsp_base = dsp_base; | |
2795 | s->clkm.cold_start = 0x3a; | |
2796 | omap_clkm_reset(s); | |
2797 | ||
2798 | cpu_register_physical_memory(s->clkm.mpu_base, 0x100, iomemtype[0]); | |
2799 | cpu_register_physical_memory(s->clkm.dsp_base, 0x1000, iomemtype[1]); | |
2800 | } | |
2801 | ||
fe71e81a AZ |
2802 | /* MPU I/O */ |
2803 | struct omap_mpuio_s { | |
2804 | target_phys_addr_t base; | |
2805 | qemu_irq irq; | |
2806 | qemu_irq kbd_irq; | |
2807 | qemu_irq *in; | |
2808 | qemu_irq handler[16]; | |
2809 | qemu_irq wakeup; | |
2810 | ||
2811 | uint16_t inputs; | |
2812 | uint16_t outputs; | |
2813 | uint16_t dir; | |
2814 | uint16_t edge; | |
2815 | uint16_t mask; | |
2816 | uint16_t ints; | |
2817 | ||
2818 | uint16_t debounce; | |
2819 | uint16_t latch; | |
2820 | uint8_t event; | |
2821 | ||
2822 | uint8_t buttons[5]; | |
2823 | uint8_t row_latch; | |
2824 | uint8_t cols; | |
2825 | int kbd_mask; | |
2826 | int clk; | |
2827 | }; | |
2828 | ||
2829 | static void omap_mpuio_set(void *opaque, int line, int level) | |
2830 | { | |
2831 | struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque; | |
2832 | uint16_t prev = s->inputs; | |
2833 | ||
2834 | if (level) | |
2835 | s->inputs |= 1 << line; | |
2836 | else | |
2837 | s->inputs &= ~(1 << line); | |
2838 | ||
2839 | if (((1 << line) & s->dir & ~s->mask) && s->clk) { | |
2840 | if ((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) { | |
2841 | s->ints |= 1 << line; | |
2842 | qemu_irq_raise(s->irq); | |
2843 | /* TODO: wakeup */ | |
2844 | } | |
2845 | if ((s->event & (1 << 0)) && /* SET_GPIO_EVENT_MODE */ | |
2846 | (s->event >> 1) == line) /* PIN_SELECT */ | |
2847 | s->latch = s->inputs; | |
2848 | } | |
2849 | } | |
2850 | ||
2851 | static void omap_mpuio_kbd_update(struct omap_mpuio_s *s) | |
2852 | { | |
2853 | int i; | |
2854 | uint8_t *row, rows = 0, cols = ~s->cols; | |
2855 | ||
38a34e1d | 2856 | for (row = s->buttons + 4, i = 1 << 4; i; row --, i >>= 1) |
fe71e81a | 2857 | if (*row & cols) |
38a34e1d | 2858 | rows |= i; |
fe71e81a | 2859 | |
38a34e1d | 2860 | qemu_set_irq(s->kbd_irq, rows && ~s->kbd_mask && s->clk); |
fe71e81a AZ |
2861 | s->row_latch = rows ^ 0x1f; |
2862 | } | |
2863 | ||
2864 | static uint32_t omap_mpuio_read(void *opaque, target_phys_addr_t addr) | |
2865 | { | |
2866 | struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque; | |
2867 | int offset = addr - s->base; | |
2868 | uint16_t ret; | |
2869 | ||
2870 | switch (offset) { | |
2871 | case 0x00: /* INPUT_LATCH */ | |
2872 | return s->inputs; | |
2873 | ||
2874 | case 0x04: /* OUTPUT_REG */ | |
2875 | return s->outputs; | |
2876 | ||
2877 | case 0x08: /* IO_CNTL */ | |
2878 | return s->dir; | |
2879 | ||
2880 | case 0x10: /* KBR_LATCH */ | |
2881 | return s->row_latch; | |
2882 | ||
2883 | case 0x14: /* KBC_REG */ | |
2884 | return s->cols; | |
2885 | ||
2886 | case 0x18: /* GPIO_EVENT_MODE_REG */ | |
2887 | return s->event; | |
2888 | ||
2889 | case 0x1c: /* GPIO_INT_EDGE_REG */ | |
2890 | return s->edge; | |
2891 | ||
2892 | case 0x20: /* KBD_INT */ | |
2893 | return (s->row_latch != 0x1f) && !s->kbd_mask; | |
2894 | ||
2895 | case 0x24: /* GPIO_INT */ | |
2896 | ret = s->ints; | |
8e129e07 AZ |
2897 | s->ints &= s->mask; |
2898 | if (ret) | |
2899 | qemu_irq_lower(s->irq); | |
fe71e81a AZ |
2900 | return ret; |
2901 | ||
2902 | case 0x28: /* KBD_MASKIT */ | |
2903 | return s->kbd_mask; | |
2904 | ||
2905 | case 0x2c: /* GPIO_MASKIT */ | |
2906 | return s->mask; | |
2907 | ||
2908 | case 0x30: /* GPIO_DEBOUNCING_REG */ | |
2909 | return s->debounce; | |
2910 | ||
2911 | case 0x34: /* GPIO_LATCH_REG */ | |
2912 | return s->latch; | |
2913 | } | |
2914 | ||
2915 | OMAP_BAD_REG(addr); | |
2916 | return 0; | |
2917 | } | |
2918 | ||
2919 | static void omap_mpuio_write(void *opaque, target_phys_addr_t addr, | |
2920 | uint32_t value) | |
2921 | { | |
2922 | struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque; | |
2923 | int offset = addr - s->base; | |
2924 | uint16_t diff; | |
2925 | int ln; | |
2926 | ||
2927 | switch (offset) { | |
2928 | case 0x04: /* OUTPUT_REG */ | |
2929 | diff = s->outputs ^ (value & ~s->dir); | |
2930 | s->outputs = value; | |
2931 | value &= ~s->dir; | |
2932 | while ((ln = ffs(diff))) { | |
2933 | ln --; | |
2934 | if (s->handler[ln]) | |
2935 | qemu_set_irq(s->handler[ln], (value >> ln) & 1); | |
2936 | diff &= ~(1 << ln); | |
2937 | } | |
2938 | break; | |
2939 | ||
2940 | case 0x08: /* IO_CNTL */ | |
2941 | diff = s->outputs & (s->dir ^ value); | |
2942 | s->dir = value; | |
2943 | ||
2944 | value = s->outputs & ~s->dir; | |
2945 | while ((ln = ffs(diff))) { | |
2946 | ln --; | |
2947 | if (s->handler[ln]) | |
2948 | qemu_set_irq(s->handler[ln], (value >> ln) & 1); | |
2949 | diff &= ~(1 << ln); | |
2950 | } | |
2951 | break; | |
2952 | ||
2953 | case 0x14: /* KBC_REG */ | |
2954 | s->cols = value; | |
2955 | omap_mpuio_kbd_update(s); | |
2956 | break; | |
2957 | ||
2958 | case 0x18: /* GPIO_EVENT_MODE_REG */ | |
2959 | s->event = value & 0x1f; | |
2960 | break; | |
2961 | ||
2962 | case 0x1c: /* GPIO_INT_EDGE_REG */ | |
2963 | s->edge = value; | |
2964 | break; | |
2965 | ||
2966 | case 0x28: /* KBD_MASKIT */ | |
2967 | s->kbd_mask = value & 1; | |
2968 | omap_mpuio_kbd_update(s); | |
2969 | break; | |
2970 | ||
2971 | case 0x2c: /* GPIO_MASKIT */ | |
2972 | s->mask = value; | |
2973 | break; | |
2974 | ||
2975 | case 0x30: /* GPIO_DEBOUNCING_REG */ | |
2976 | s->debounce = value & 0x1ff; | |
2977 | break; | |
2978 | ||
2979 | case 0x00: /* INPUT_LATCH */ | |
2980 | case 0x10: /* KBR_LATCH */ | |
2981 | case 0x20: /* KBD_INT */ | |
2982 | case 0x24: /* GPIO_INT */ | |
2983 | case 0x34: /* GPIO_LATCH_REG */ | |
2984 | OMAP_RO_REG(addr); | |
2985 | return; | |
2986 | ||
2987 | default: | |
2988 | OMAP_BAD_REG(addr); | |
2989 | return; | |
2990 | } | |
2991 | } | |
2992 | ||
2993 | static CPUReadMemoryFunc *omap_mpuio_readfn[] = { | |
2994 | omap_badwidth_read16, | |
2995 | omap_mpuio_read, | |
2996 | omap_badwidth_read16, | |
2997 | }; | |
2998 | ||
2999 | static CPUWriteMemoryFunc *omap_mpuio_writefn[] = { | |
3000 | omap_badwidth_write16, | |
3001 | omap_mpuio_write, | |
3002 | omap_badwidth_write16, | |
3003 | }; | |
3004 | ||
3005 | void omap_mpuio_reset(struct omap_mpuio_s *s) | |
3006 | { | |
3007 | s->inputs = 0; | |
3008 | s->outputs = 0; | |
3009 | s->dir = ~0; | |
3010 | s->event = 0; | |
3011 | s->edge = 0; | |
3012 | s->kbd_mask = 0; | |
3013 | s->mask = 0; | |
3014 | s->debounce = 0; | |
3015 | s->latch = 0; | |
3016 | s->ints = 0; | |
3017 | s->row_latch = 0x1f; | |
38a34e1d | 3018 | s->clk = 1; |
fe71e81a AZ |
3019 | } |
3020 | ||
3021 | static void omap_mpuio_onoff(void *opaque, int line, int on) | |
3022 | { | |
3023 | struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque; | |
3024 | ||
3025 | s->clk = on; | |
3026 | if (on) | |
3027 | omap_mpuio_kbd_update(s); | |
3028 | } | |
3029 | ||
3030 | struct omap_mpuio_s *omap_mpuio_init(target_phys_addr_t base, | |
3031 | qemu_irq kbd_int, qemu_irq gpio_int, qemu_irq wakeup, | |
3032 | omap_clk clk) | |
3033 | { | |
3034 | int iomemtype; | |
3035 | struct omap_mpuio_s *s = (struct omap_mpuio_s *) | |
3036 | qemu_mallocz(sizeof(struct omap_mpuio_s)); | |
3037 | ||
3038 | s->base = base; | |
3039 | s->irq = gpio_int; | |
3040 | s->kbd_irq = kbd_int; | |
3041 | s->wakeup = wakeup; | |
3042 | s->in = qemu_allocate_irqs(omap_mpuio_set, s, 16); | |
3043 | omap_mpuio_reset(s); | |
3044 | ||
3045 | iomemtype = cpu_register_io_memory(0, omap_mpuio_readfn, | |
3046 | omap_mpuio_writefn, s); | |
3047 | cpu_register_physical_memory(s->base, 0x800, iomemtype); | |
3048 | ||
3049 | omap_clk_adduser(clk, qemu_allocate_irqs(omap_mpuio_onoff, s, 1)[0]); | |
3050 | ||
3051 | return s; | |
3052 | } | |
3053 | ||
3054 | qemu_irq *omap_mpuio_in_get(struct omap_mpuio_s *s) | |
3055 | { | |
3056 | return s->in; | |
3057 | } | |
3058 | ||
3059 | void omap_mpuio_out_set(struct omap_mpuio_s *s, int line, qemu_irq handler) | |
3060 | { | |
3061 | if (line >= 16 || line < 0) | |
3062 | cpu_abort(cpu_single_env, "%s: No GPIO line %i\n", __FUNCTION__, line); | |
3063 | s->handler[line] = handler; | |
3064 | } | |
3065 | ||
3066 | void omap_mpuio_key(struct omap_mpuio_s *s, int row, int col, int down) | |
3067 | { | |
3068 | if (row >= 5 || row < 0) | |
3069 | cpu_abort(cpu_single_env, "%s: No key %i-%i\n", | |
3070 | __FUNCTION__, col, row); | |
3071 | ||
3072 | if (down) | |
38a34e1d | 3073 | s->buttons[row] |= 1 << col; |
fe71e81a | 3074 | else |
38a34e1d | 3075 | s->buttons[row] &= ~(1 << col); |
fe71e81a AZ |
3076 | |
3077 | omap_mpuio_kbd_update(s); | |
3078 | } | |
3079 | ||
64330148 AZ |
3080 | /* General-Purpose I/O */ |
3081 | struct omap_gpio_s { | |
3082 | target_phys_addr_t base; | |
3083 | qemu_irq irq; | |
3084 | qemu_irq *in; | |
3085 | qemu_irq handler[16]; | |
3086 | ||
3087 | uint16_t inputs; | |
3088 | uint16_t outputs; | |
3089 | uint16_t dir; | |
3090 | uint16_t edge; | |
3091 | uint16_t mask; | |
3092 | uint16_t ints; | |
3093 | }; | |
3094 | ||
3095 | static void omap_gpio_set(void *opaque, int line, int level) | |
3096 | { | |
3097 | struct omap_gpio_s *s = (struct omap_gpio_s *) opaque; | |
3098 | uint16_t prev = s->inputs; | |
3099 | ||
3100 | if (level) | |
3101 | s->inputs |= 1 << line; | |
3102 | else | |
3103 | s->inputs &= ~(1 << line); | |
3104 | ||
3105 | if (((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) & | |
3106 | (1 << line) & s->dir & ~s->mask) { | |
3107 | s->ints |= 1 << line; | |
3108 | qemu_irq_raise(s->irq); | |
3109 | } | |
3110 | } | |
3111 | ||
3112 | static uint32_t omap_gpio_read(void *opaque, target_phys_addr_t addr) | |
3113 | { | |
3114 | struct omap_gpio_s *s = (struct omap_gpio_s *) opaque; | |
3115 | int offset = addr - s->base; | |
64330148 AZ |
3116 | |
3117 | switch (offset) { | |
3118 | case 0x00: /* DATA_INPUT */ | |
3119 | return s->inputs; | |
3120 | ||
3121 | case 0x04: /* DATA_OUTPUT */ | |
3122 | return s->outputs; | |
3123 | ||
3124 | case 0x08: /* DIRECTION_CONTROL */ | |
3125 | return s->dir; | |
3126 | ||
3127 | case 0x0c: /* INTERRUPT_CONTROL */ | |
3128 | return s->edge; | |
3129 | ||
3130 | case 0x10: /* INTERRUPT_MASK */ | |
3131 | return s->mask; | |
3132 | ||
3133 | case 0x14: /* INTERRUPT_STATUS */ | |
3134 | return s->ints; | |
3135 | } | |
3136 | ||
3137 | OMAP_BAD_REG(addr); | |
3138 | return 0; | |
3139 | } | |
3140 | ||
3141 | static void omap_gpio_write(void *opaque, target_phys_addr_t addr, | |
3142 | uint32_t value) | |
3143 | { | |
3144 | struct omap_gpio_s *s = (struct omap_gpio_s *) opaque; | |
3145 | int offset = addr - s->base; | |
3146 | uint16_t diff; | |
3147 | int ln; | |
3148 | ||
3149 | switch (offset) { | |
3150 | case 0x00: /* DATA_INPUT */ | |
3151 | OMAP_RO_REG(addr); | |
3152 | return; | |
3153 | ||
3154 | case 0x04: /* DATA_OUTPUT */ | |
66450b15 | 3155 | diff = (s->outputs ^ value) & ~s->dir; |
64330148 | 3156 | s->outputs = value; |
64330148 AZ |
3157 | while ((ln = ffs(diff))) { |
3158 | ln --; | |
3159 | if (s->handler[ln]) | |
3160 | qemu_set_irq(s->handler[ln], (value >> ln) & 1); | |
3161 | diff &= ~(1 << ln); | |
3162 | } | |
3163 | break; | |
3164 | ||
3165 | case 0x08: /* DIRECTION_CONTROL */ | |
3166 | diff = s->outputs & (s->dir ^ value); | |
3167 | s->dir = value; | |
3168 | ||
3169 | value = s->outputs & ~s->dir; | |
3170 | while ((ln = ffs(diff))) { | |
3171 | ln --; | |
3172 | if (s->handler[ln]) | |
3173 | qemu_set_irq(s->handler[ln], (value >> ln) & 1); | |
3174 | diff &= ~(1 << ln); | |
3175 | } | |
3176 | break; | |
3177 | ||
3178 | case 0x0c: /* INTERRUPT_CONTROL */ | |
3179 | s->edge = value; | |
3180 | break; | |
3181 | ||
3182 | case 0x10: /* INTERRUPT_MASK */ | |
3183 | s->mask = value; | |
3184 | break; | |
3185 | ||
3186 | case 0x14: /* INTERRUPT_STATUS */ | |
3187 | s->ints &= ~value; | |
3188 | if (!s->ints) | |
3189 | qemu_irq_lower(s->irq); | |
3190 | break; | |
3191 | ||
3192 | default: | |
3193 | OMAP_BAD_REG(addr); | |
3194 | return; | |
3195 | } | |
3196 | } | |
3197 | ||
3efda49d | 3198 | /* *Some* sources say the memory region is 32-bit. */ |
64330148 | 3199 | static CPUReadMemoryFunc *omap_gpio_readfn[] = { |
3efda49d | 3200 | omap_badwidth_read16, |
64330148 | 3201 | omap_gpio_read, |
3efda49d | 3202 | omap_badwidth_read16, |
64330148 AZ |
3203 | }; |
3204 | ||
3205 | static CPUWriteMemoryFunc *omap_gpio_writefn[] = { | |
3efda49d | 3206 | omap_badwidth_write16, |
64330148 | 3207 | omap_gpio_write, |
3efda49d | 3208 | omap_badwidth_write16, |
64330148 AZ |
3209 | }; |
3210 | ||
3211 | void omap_gpio_reset(struct omap_gpio_s *s) | |
3212 | { | |
3213 | s->inputs = 0; | |
3214 | s->outputs = ~0; | |
3215 | s->dir = ~0; | |
3216 | s->edge = ~0; | |
3217 | s->mask = ~0; | |
3218 | s->ints = 0; | |
3219 | } | |
3220 | ||
3221 | struct omap_gpio_s *omap_gpio_init(target_phys_addr_t base, | |
3222 | qemu_irq irq, omap_clk clk) | |
3223 | { | |
3224 | int iomemtype; | |
3225 | struct omap_gpio_s *s = (struct omap_gpio_s *) | |
3226 | qemu_mallocz(sizeof(struct omap_gpio_s)); | |
3227 | ||
3228 | s->base = base; | |
3229 | s->irq = irq; | |
3230 | s->in = qemu_allocate_irqs(omap_gpio_set, s, 16); | |
3231 | omap_gpio_reset(s); | |
3232 | ||
3233 | iomemtype = cpu_register_io_memory(0, omap_gpio_readfn, | |
3234 | omap_gpio_writefn, s); | |
3235 | cpu_register_physical_memory(s->base, 0x1000, iomemtype); | |
3236 | ||
3237 | return s; | |
3238 | } | |
3239 | ||
3240 | qemu_irq *omap_gpio_in_get(struct omap_gpio_s *s) | |
3241 | { | |
3242 | return s->in; | |
3243 | } | |
3244 | ||
3245 | void omap_gpio_out_set(struct omap_gpio_s *s, int line, qemu_irq handler) | |
3246 | { | |
3247 | if (line >= 16 || line < 0) | |
3248 | cpu_abort(cpu_single_env, "%s: No GPIO line %i\n", __FUNCTION__, line); | |
3249 | s->handler[line] = handler; | |
3250 | } | |
3251 | ||
d951f6ff AZ |
3252 | /* MicroWire Interface */ |
3253 | struct omap_uwire_s { | |
3254 | target_phys_addr_t base; | |
3255 | qemu_irq txirq; | |
3256 | qemu_irq rxirq; | |
3257 | qemu_irq txdrq; | |
3258 | ||
3259 | uint16_t txbuf; | |
3260 | uint16_t rxbuf; | |
3261 | uint16_t control; | |
3262 | uint16_t setup[5]; | |
3263 | ||
3264 | struct uwire_slave_s *chip[4]; | |
3265 | }; | |
3266 | ||
3267 | static void omap_uwire_transfer_start(struct omap_uwire_s *s) | |
3268 | { | |
3269 | int chipselect = (s->control >> 10) & 3; /* INDEX */ | |
3270 | struct uwire_slave_s *slave = s->chip[chipselect]; | |
3271 | ||
3272 | if ((s->control >> 5) & 0x1f) { /* NB_BITS_WR */ | |
3273 | if (s->control & (1 << 12)) /* CS_CMD */ | |
3274 | if (slave && slave->send) | |
3275 | slave->send(slave->opaque, | |
3276 | s->txbuf >> (16 - ((s->control >> 5) & 0x1f))); | |
3277 | s->control &= ~(1 << 14); /* CSRB */ | |
3278 | /* TODO: depending on s->setup[4] bits [1:0] assert an IRQ or | |
3279 | * a DRQ. When is the level IRQ supposed to be reset? */ | |
3280 | } | |
3281 | ||
3282 | if ((s->control >> 0) & 0x1f) { /* NB_BITS_RD */ | |
3283 | if (s->control & (1 << 12)) /* CS_CMD */ | |
3284 | if (slave && slave->receive) | |
3285 | s->rxbuf = slave->receive(slave->opaque); | |
3286 | s->control |= 1 << 15; /* RDRB */ | |
3287 | /* TODO: depending on s->setup[4] bits [1:0] assert an IRQ or | |
3288 | * a DRQ. When is the level IRQ supposed to be reset? */ | |
3289 | } | |
3290 | } | |
3291 | ||
3292 | static uint32_t omap_uwire_read(void *opaque, target_phys_addr_t addr) | |
3293 | { | |
3294 | struct omap_uwire_s *s = (struct omap_uwire_s *) opaque; | |
3295 | int offset = addr - s->base; | |
3296 | ||
3297 | switch (offset) { | |
3298 | case 0x00: /* RDR */ | |
3299 | s->control &= ~(1 << 15); /* RDRB */ | |
3300 | return s->rxbuf; | |
3301 | ||
3302 | case 0x04: /* CSR */ | |
3303 | return s->control; | |
3304 | ||
3305 | case 0x08: /* SR1 */ | |
3306 | return s->setup[0]; | |
3307 | case 0x0c: /* SR2 */ | |
3308 | return s->setup[1]; | |
3309 | case 0x10: /* SR3 */ | |
3310 | return s->setup[2]; | |
3311 | case 0x14: /* SR4 */ | |
3312 | return s->setup[3]; | |
3313 | case 0x18: /* SR5 */ | |
3314 | return s->setup[4]; | |
3315 | } | |
3316 | ||
3317 | OMAP_BAD_REG(addr); | |
3318 | return 0; | |
3319 | } | |
3320 | ||
3321 | static void omap_uwire_write(void *opaque, target_phys_addr_t addr, | |
3322 | uint32_t value) | |
3323 | { | |
3324 | struct omap_uwire_s *s = (struct omap_uwire_s *) opaque; | |
3325 | int offset = addr - s->base; | |
3326 | ||
3327 | switch (offset) { | |
3328 | case 0x00: /* TDR */ | |
3329 | s->txbuf = value; /* TD */ | |
3330 | s->control |= 1 << 14; /* CSRB */ | |
3331 | if ((s->setup[4] & (1 << 2)) && /* AUTO_TX_EN */ | |
3332 | ((s->setup[4] & (1 << 3)) || /* CS_TOGGLE_TX_EN */ | |
3333 | (s->control & (1 << 12)))) /* CS_CMD */ | |
3334 | omap_uwire_transfer_start(s); | |
3335 | break; | |
3336 | ||
3337 | case 0x04: /* CSR */ | |
3338 | s->control = value & 0x1fff; | |
3339 | if (value & (1 << 13)) /* START */ | |
3340 | omap_uwire_transfer_start(s); | |
3341 | break; | |
3342 | ||
3343 | case 0x08: /* SR1 */ | |
3344 | s->setup[0] = value & 0x003f; | |
3345 | break; | |
3346 | ||
3347 | case 0x0c: /* SR2 */ | |
3348 | s->setup[1] = value & 0x0fc0; | |
3349 | break; | |
3350 | ||
3351 | case 0x10: /* SR3 */ | |
3352 | s->setup[2] = value & 0x0003; | |
3353 | break; | |
3354 | ||
3355 | case 0x14: /* SR4 */ | |
3356 | s->setup[3] = value & 0x0001; | |
3357 | break; | |
3358 | ||
3359 | case 0x18: /* SR5 */ | |
3360 | s->setup[4] = value & 0x000f; | |
3361 | break; | |
3362 | ||
3363 | default: | |
3364 | OMAP_BAD_REG(addr); | |
3365 | return; | |
3366 | } | |
3367 | } | |
3368 | ||
3369 | static CPUReadMemoryFunc *omap_uwire_readfn[] = { | |
3370 | omap_badwidth_read16, | |
3371 | omap_uwire_read, | |
3372 | omap_badwidth_read16, | |
3373 | }; | |
3374 | ||
3375 | static CPUWriteMemoryFunc *omap_uwire_writefn[] = { | |
3376 | omap_badwidth_write16, | |
3377 | omap_uwire_write, | |
3378 | omap_badwidth_write16, | |
3379 | }; | |
3380 | ||
3381 | void omap_uwire_reset(struct omap_uwire_s *s) | |
3382 | { | |
66450b15 | 3383 | s->control = 0; |
d951f6ff AZ |
3384 | s->setup[0] = 0; |
3385 | s->setup[1] = 0; | |
3386 | s->setup[2] = 0; | |
3387 | s->setup[3] = 0; | |
3388 | s->setup[4] = 0; | |
3389 | } | |
3390 | ||
3391 | struct omap_uwire_s *omap_uwire_init(target_phys_addr_t base, | |
3392 | qemu_irq *irq, qemu_irq dma, omap_clk clk) | |
3393 | { | |
3394 | int iomemtype; | |
3395 | struct omap_uwire_s *s = (struct omap_uwire_s *) | |
3396 | qemu_mallocz(sizeof(struct omap_uwire_s)); | |
3397 | ||
3398 | s->base = base; | |
3399 | s->txirq = irq[0]; | |
3400 | s->rxirq = irq[1]; | |
3401 | s->txdrq = dma; | |
3402 | omap_uwire_reset(s); | |
3403 | ||
3404 | iomemtype = cpu_register_io_memory(0, omap_uwire_readfn, | |
3405 | omap_uwire_writefn, s); | |
3406 | cpu_register_physical_memory(s->base, 0x800, iomemtype); | |
3407 | ||
3408 | return s; | |
3409 | } | |
3410 | ||
3411 | void omap_uwire_attach(struct omap_uwire_s *s, | |
3412 | struct uwire_slave_s *slave, int chipselect) | |
3413 | { | |
3414 | if (chipselect < 0 || chipselect > 3) | |
3415 | cpu_abort(cpu_single_env, "%s: Bad chipselect %i\n", __FUNCTION__, | |
3416 | chipselect); | |
3417 | ||
3418 | s->chip[chipselect] = slave; | |
3419 | } | |
3420 | ||
66450b15 AZ |
3421 | /* Pseudonoise Pulse-Width Light Modulator */ |
3422 | void omap_pwl_update(struct omap_mpu_state_s *s) | |
3423 | { | |
3424 | int output = (s->pwl.clk && s->pwl.enable) ? s->pwl.level : 0; | |
3425 | ||
3426 | if (output != s->pwl.output) { | |
3427 | s->pwl.output = output; | |
3428 | printf("%s: Backlight now at %i/256\n", __FUNCTION__, output); | |
3429 | } | |
3430 | } | |
3431 | ||
3432 | static uint32_t omap_pwl_read(void *opaque, target_phys_addr_t addr) | |
3433 | { | |
3434 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
3435 | int offset = addr - s->pwl.base; | |
3436 | ||
3437 | switch (offset) { | |
3438 | case 0x00: /* PWL_LEVEL */ | |
3439 | return s->pwl.level; | |
3440 | case 0x04: /* PWL_CTRL */ | |
3441 | return s->pwl.enable; | |
3442 | } | |
3443 | OMAP_BAD_REG(addr); | |
3444 | return 0; | |
3445 | } | |
3446 | ||
3447 | static void omap_pwl_write(void *opaque, target_phys_addr_t addr, | |
3448 | uint32_t value) | |
3449 | { | |
3450 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
3451 | int offset = addr - s->pwl.base; | |
3452 | ||
3453 | switch (offset) { | |
3454 | case 0x00: /* PWL_LEVEL */ | |
3455 | s->pwl.level = value; | |
3456 | omap_pwl_update(s); | |
3457 | break; | |
3458 | case 0x04: /* PWL_CTRL */ | |
3459 | s->pwl.enable = value & 1; | |
3460 | omap_pwl_update(s); | |
3461 | break; | |
3462 | default: | |
3463 | OMAP_BAD_REG(addr); | |
3464 | return; | |
3465 | } | |
3466 | } | |
3467 | ||
3468 | static CPUReadMemoryFunc *omap_pwl_readfn[] = { | |
3469 | omap_badwidth_read8, | |
3470 | omap_badwidth_read8, | |
3471 | omap_pwl_read, | |
3472 | }; | |
3473 | ||
3474 | static CPUWriteMemoryFunc *omap_pwl_writefn[] = { | |
3475 | omap_badwidth_write8, | |
3476 | omap_badwidth_write8, | |
3477 | omap_pwl_write, | |
3478 | }; | |
3479 | ||
3480 | void omap_pwl_reset(struct omap_mpu_state_s *s) | |
3481 | { | |
3482 | s->pwl.output = 0; | |
3483 | s->pwl.level = 0; | |
3484 | s->pwl.enable = 0; | |
3485 | s->pwl.clk = 1; | |
3486 | omap_pwl_update(s); | |
3487 | } | |
3488 | ||
3489 | static void omap_pwl_clk_update(void *opaque, int line, int on) | |
3490 | { | |
3491 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
3492 | ||
3493 | s->pwl.clk = on; | |
3494 | omap_pwl_update(s); | |
3495 | } | |
3496 | ||
3497 | static void omap_pwl_init(target_phys_addr_t base, struct omap_mpu_state_s *s, | |
3498 | omap_clk clk) | |
3499 | { | |
3500 | int iomemtype; | |
3501 | ||
3502 | s->pwl.base = base; | |
3503 | omap_pwl_reset(s); | |
3504 | ||
3505 | iomemtype = cpu_register_io_memory(0, omap_pwl_readfn, | |
3506 | omap_pwl_writefn, s); | |
3507 | cpu_register_physical_memory(s->pwl.base, 0x800, iomemtype); | |
3508 | ||
3509 | omap_clk_adduser(clk, qemu_allocate_irqs(omap_pwl_clk_update, s, 1)[0]); | |
3510 | } | |
3511 | ||
f34c417b AZ |
3512 | /* Pulse-Width Tone module */ |
3513 | static uint32_t omap_pwt_read(void *opaque, target_phys_addr_t addr) | |
3514 | { | |
3515 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
3516 | int offset = addr - s->pwt.base; | |
3517 | ||
3518 | switch (offset) { | |
3519 | case 0x00: /* FRC */ | |
3520 | return s->pwt.frc; | |
3521 | case 0x04: /* VCR */ | |
3522 | return s->pwt.vrc; | |
3523 | case 0x08: /* GCR */ | |
3524 | return s->pwt.gcr; | |
3525 | } | |
3526 | OMAP_BAD_REG(addr); | |
3527 | return 0; | |
3528 | } | |
3529 | ||
3530 | static void omap_pwt_write(void *opaque, target_phys_addr_t addr, | |
3531 | uint32_t value) | |
3532 | { | |
3533 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
3534 | int offset = addr - s->pwt.base; | |
3535 | ||
3536 | switch (offset) { | |
3537 | case 0x00: /* FRC */ | |
3538 | s->pwt.frc = value & 0x3f; | |
3539 | break; | |
3540 | case 0x04: /* VRC */ | |
3541 | if ((value ^ s->pwt.vrc) & 1) { | |
3542 | if (value & 1) | |
3543 | printf("%s: %iHz buzz on\n", __FUNCTION__, (int) | |
3544 | /* 1.5 MHz from a 12-MHz or 13-MHz PWT_CLK */ | |
3545 | ((omap_clk_getrate(s->pwt.clk) >> 3) / | |
3546 | /* Pre-multiplexer divider */ | |
3547 | ((s->pwt.gcr & 2) ? 1 : 154) / | |
3548 | /* Octave multiplexer */ | |
3549 | (2 << (value & 3)) * | |
3550 | /* 101/107 divider */ | |
3551 | ((value & (1 << 2)) ? 101 : 107) * | |
3552 | /* 49/55 divider */ | |
3553 | ((value & (1 << 3)) ? 49 : 55) * | |
3554 | /* 50/63 divider */ | |
3555 | ((value & (1 << 4)) ? 50 : 63) * | |
3556 | /* 80/127 divider */ | |
3557 | ((value & (1 << 5)) ? 80 : 127) / | |
3558 | (107 * 55 * 63 * 127))); | |
3559 | else | |
3560 | printf("%s: silence!\n", __FUNCTION__); | |
3561 | } | |
3562 | s->pwt.vrc = value & 0x7f; | |
3563 | break; | |
3564 | case 0x08: /* GCR */ | |
3565 | s->pwt.gcr = value & 3; | |
3566 | break; | |
3567 | default: | |
3568 | OMAP_BAD_REG(addr); | |
3569 | return; | |
3570 | } | |
3571 | } | |
3572 | ||
3573 | static CPUReadMemoryFunc *omap_pwt_readfn[] = { | |
3574 | omap_badwidth_read8, | |
3575 | omap_badwidth_read8, | |
3576 | omap_pwt_read, | |
3577 | }; | |
3578 | ||
3579 | static CPUWriteMemoryFunc *omap_pwt_writefn[] = { | |
3580 | omap_badwidth_write8, | |
3581 | omap_badwidth_write8, | |
3582 | omap_pwt_write, | |
3583 | }; | |
3584 | ||
3585 | void omap_pwt_reset(struct omap_mpu_state_s *s) | |
3586 | { | |
3587 | s->pwt.frc = 0; | |
3588 | s->pwt.vrc = 0; | |
3589 | s->pwt.gcr = 0; | |
3590 | } | |
3591 | ||
3592 | static void omap_pwt_init(target_phys_addr_t base, struct omap_mpu_state_s *s, | |
3593 | omap_clk clk) | |
3594 | { | |
3595 | int iomemtype; | |
3596 | ||
3597 | s->pwt.base = base; | |
3598 | s->pwt.clk = clk; | |
3599 | omap_pwt_reset(s); | |
3600 | ||
3601 | iomemtype = cpu_register_io_memory(0, omap_pwt_readfn, | |
3602 | omap_pwt_writefn, s); | |
3603 | cpu_register_physical_memory(s->pwt.base, 0x800, iomemtype); | |
3604 | } | |
3605 | ||
c3d2689d AZ |
3606 | /* General chip reset */ |
3607 | static void omap_mpu_reset(void *opaque) | |
3608 | { | |
3609 | struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque; | |
3610 | ||
3611 | omap_clkm_reset(mpu); | |
3612 | omap_inth_reset(mpu->ih[0]); | |
3613 | omap_inth_reset(mpu->ih[1]); | |
3614 | omap_dma_reset(mpu->dma); | |
3615 | omap_mpu_timer_reset(mpu->timer[0]); | |
3616 | omap_mpu_timer_reset(mpu->timer[1]); | |
3617 | omap_mpu_timer_reset(mpu->timer[2]); | |
3618 | omap_wd_timer_reset(mpu->wdt); | |
3619 | omap_os_timer_reset(mpu->os_timer); | |
3620 | omap_lcdc_reset(mpu->lcd); | |
3621 | omap_ulpd_pm_reset(mpu); | |
3622 | omap_pin_cfg_reset(mpu); | |
3623 | omap_mpui_reset(mpu); | |
3624 | omap_tipb_bridge_reset(mpu->private_tipb); | |
3625 | omap_tipb_bridge_reset(mpu->public_tipb); | |
3626 | omap_dpll_reset(&mpu->dpll[0]); | |
3627 | omap_dpll_reset(&mpu->dpll[1]); | |
3628 | omap_dpll_reset(&mpu->dpll[2]); | |
d951f6ff AZ |
3629 | omap_uart_reset(mpu->uart[0]); |
3630 | omap_uart_reset(mpu->uart[1]); | |
3631 | omap_uart_reset(mpu->uart[2]); | |
b30bb3a2 | 3632 | omap_mmc_reset(mpu->mmc); |
fe71e81a | 3633 | omap_mpuio_reset(mpu->mpuio); |
64330148 | 3634 | omap_gpio_reset(mpu->gpio); |
d951f6ff | 3635 | omap_uwire_reset(mpu->microwire); |
66450b15 | 3636 | omap_pwl_reset(mpu); |
c3d2689d AZ |
3637 | cpu_reset(mpu->env); |
3638 | } | |
3639 | ||
3640 | static void omap_mpu_wakeup(void *opaque, int irq, int req) | |
3641 | { | |
3642 | struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque; | |
3643 | ||
fe71e81a AZ |
3644 | if (mpu->env->halted) |
3645 | cpu_interrupt(mpu->env, CPU_INTERRUPT_EXITTB); | |
c3d2689d AZ |
3646 | } |
3647 | ||
3648 | struct omap_mpu_state_s *omap310_mpu_init(unsigned long sdram_size, | |
3649 | DisplayState *ds, const char *core) | |
3650 | { | |
3651 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) | |
3652 | qemu_mallocz(sizeof(struct omap_mpu_state_s)); | |
3653 | ram_addr_t imif_base, emiff_base; | |
3654 | ||
3655 | /* Core */ | |
3656 | s->mpu_model = omap310; | |
3657 | s->env = cpu_init(); | |
3658 | s->sdram_size = sdram_size; | |
3659 | s->sram_size = OMAP15XX_SRAM_SIZE; | |
3660 | ||
3661 | cpu_arm_set_model(s->env, core ?: "ti925t"); | |
3662 | ||
fe71e81a AZ |
3663 | s->wakeup = qemu_allocate_irqs(omap_mpu_wakeup, s, 1)[0]; |
3664 | ||
c3d2689d AZ |
3665 | /* Clocks */ |
3666 | omap_clk_init(s); | |
3667 | ||
3668 | /* Memory-mapped stuff */ | |
3669 | cpu_register_physical_memory(OMAP_EMIFF_BASE, s->sdram_size, | |
3670 | (emiff_base = qemu_ram_alloc(s->sdram_size)) | IO_MEM_RAM); | |
3671 | cpu_register_physical_memory(OMAP_IMIF_BASE, s->sram_size, | |
3672 | (imif_base = qemu_ram_alloc(s->sram_size)) | IO_MEM_RAM); | |
3673 | ||
3674 | omap_clkm_init(0xfffece00, 0xe1008000, s); | |
3675 | ||
3676 | s->ih[0] = omap_inth_init(0xfffecb00, 0x100, | |
3677 | arm_pic_init_cpu(s->env), | |
3678 | omap_findclk(s, "arminth_ck")); | |
3679 | s->ih[1] = omap_inth_init(0xfffe0000, 0x800, | |
3680 | &s->ih[0]->pins[OMAP_INT_15XX_IH2_IRQ], | |
3681 | omap_findclk(s, "arminth_ck")); | |
3682 | s->irq[0] = s->ih[0]->pins; | |
3683 | s->irq[1] = s->ih[1]->pins; | |
3684 | ||
3685 | s->dma = omap_dma_init(0xfffed800, s->irq[0], s, | |
3686 | omap_findclk(s, "dma_ck")); | |
3687 | s->port[emiff ].addr_valid = omap_validate_emiff_addr; | |
3688 | s->port[emifs ].addr_valid = omap_validate_emifs_addr; | |
3689 | s->port[imif ].addr_valid = omap_validate_imif_addr; | |
3690 | s->port[tipb ].addr_valid = omap_validate_tipb_addr; | |
3691 | s->port[local ].addr_valid = omap_validate_local_addr; | |
3692 | s->port[tipb_mpui].addr_valid = omap_validate_tipb_mpui_addr; | |
3693 | ||
3694 | s->timer[0] = omap_mpu_timer_init(0xfffec500, | |
3695 | s->irq[0][OMAP_INT_TIMER1], | |
3696 | omap_findclk(s, "mputim_ck")); | |
3697 | s->timer[1] = omap_mpu_timer_init(0xfffec600, | |
3698 | s->irq[0][OMAP_INT_TIMER2], | |
3699 | omap_findclk(s, "mputim_ck")); | |
3700 | s->timer[2] = omap_mpu_timer_init(0xfffec700, | |
3701 | s->irq[0][OMAP_INT_TIMER3], | |
3702 | omap_findclk(s, "mputim_ck")); | |
3703 | ||
3704 | s->wdt = omap_wd_timer_init(0xfffec800, | |
3705 | s->irq[0][OMAP_INT_WD_TIMER], | |
3706 | omap_findclk(s, "armwdt_ck")); | |
3707 | ||
3708 | s->os_timer = omap_os_timer_init(0xfffb9000, | |
3709 | s->irq[1][OMAP_INT_OS_TIMER], | |
3710 | omap_findclk(s, "clk32-kHz")); | |
3711 | ||
3712 | s->lcd = omap_lcdc_init(0xfffec000, s->irq[0][OMAP_INT_LCD_CTRL], | |
3713 | &s->dma->lcd_ch, ds, imif_base, emiff_base, | |
3714 | omap_findclk(s, "lcd_ck")); | |
3715 | ||
3716 | omap_ulpd_pm_init(0xfffe0800, s); | |
3717 | omap_pin_cfg_init(0xfffe1000, s); | |
3718 | omap_id_init(s); | |
3719 | ||
3720 | omap_mpui_init(0xfffec900, s); | |
3721 | ||
3722 | s->private_tipb = omap_tipb_bridge_init(0xfffeca00, | |
3723 | s->irq[0][OMAP_INT_BRIDGE_PRIV], | |
3724 | omap_findclk(s, "tipb_ck")); | |
3725 | s->public_tipb = omap_tipb_bridge_init(0xfffed300, | |
3726 | s->irq[0][OMAP_INT_BRIDGE_PUB], | |
3727 | omap_findclk(s, "tipb_ck")); | |
3728 | ||
3729 | omap_tcmi_init(0xfffecc00, s); | |
3730 | ||
d951f6ff | 3731 | s->uart[0] = omap_uart_init(0xfffb0000, s->irq[1][OMAP_INT_UART1], |
c3d2689d AZ |
3732 | omap_findclk(s, "uart1_ck"), |
3733 | serial_hds[0]); | |
d951f6ff | 3734 | s->uart[1] = omap_uart_init(0xfffb0800, s->irq[1][OMAP_INT_UART2], |
c3d2689d AZ |
3735 | omap_findclk(s, "uart2_ck"), |
3736 | serial_hds[0] ? serial_hds[1] : 0); | |
d951f6ff | 3737 | s->uart[2] = omap_uart_init(0xe1019800, s->irq[0][OMAP_INT_UART3], |
c3d2689d AZ |
3738 | omap_findclk(s, "uart3_ck"), |
3739 | serial_hds[0] && serial_hds[1] ? serial_hds[2] : 0); | |
3740 | ||
3741 | omap_dpll_init(&s->dpll[0], 0xfffecf00, omap_findclk(s, "dpll1")); | |
3742 | omap_dpll_init(&s->dpll[1], 0xfffed000, omap_findclk(s, "dpll2")); | |
3743 | omap_dpll_init(&s->dpll[2], 0xfffed100, omap_findclk(s, "dpll3")); | |
3744 | ||
b30bb3a2 AZ |
3745 | s->mmc = omap_mmc_init(0xfffb7800, s->irq[1][OMAP_INT_OQN], |
3746 | &s->drq[OMAP_DMA_MMC_TX], omap_findclk(s, "mmc_ck")); | |
3747 | ||
fe71e81a AZ |
3748 | s->mpuio = omap_mpuio_init(0xfffb5000, |
3749 | s->irq[1][OMAP_INT_KEYBOARD], s->irq[1][OMAP_INT_MPUIO], | |
3750 | s->wakeup, omap_findclk(s, "clk32-kHz")); | |
3751 | ||
3efda49d | 3752 | s->gpio = omap_gpio_init(0xfffce000, s->irq[0][OMAP_INT_GPIO_BANK1], |
66450b15 | 3753 | omap_findclk(s, "arm_gpio_ck")); |
64330148 | 3754 | |
d951f6ff AZ |
3755 | s->microwire = omap_uwire_init(0xfffb3000, &s->irq[1][OMAP_INT_uWireTX], |
3756 | s->drq[OMAP_DMA_UWIRE_TX], omap_findclk(s, "mpuper_ck")); | |
3757 | ||
66450b15 | 3758 | omap_pwl_init(0xfffb5800, s, omap_findclk(s, "clk32-kHz")); |
f34c417b | 3759 | omap_pwt_init(0xfffb6000, s, omap_findclk(s, "xtal_osc_12m")); |
66450b15 | 3760 | |
c3d2689d | 3761 | qemu_register_reset(omap_mpu_reset, s); |
c3d2689d AZ |
3762 | |
3763 | return s; | |
3764 | } |