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Commit | Line | Data |
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c3d2689d AZ |
1 | /* |
2 | * TI OMAP processors emulation. | |
3 | * | |
b4e3104b | 4 | * Copyright (C) 2006-2008 Andrzej Zaborowski <[email protected]> |
c3d2689d AZ |
5 | * |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License as | |
827df9f3 AZ |
8 | * published by the Free Software Foundation; either version 2 or |
9 | * (at your option) version 3 of the License. | |
c3d2689d AZ |
10 | * |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
19 | * MA 02111-1307 USA | |
20 | */ | |
87ecb68b PB |
21 | #include "hw.h" |
22 | #include "arm-misc.h" | |
23 | #include "omap.h" | |
24 | #include "sysemu.h" | |
25 | #include "qemu-timer.h" | |
827df9f3 | 26 | #include "qemu-char.h" |
afbb5194 | 27 | #include "soc_dma.h" |
87ecb68b PB |
28 | /* We use pc-style serial ports. */ |
29 | #include "pc.h" | |
c3d2689d | 30 | |
827df9f3 | 31 | /* Should signal the TCMI/GPMC */ |
66450b15 AZ |
32 | uint32_t omap_badwidth_read8(void *opaque, target_phys_addr_t addr) |
33 | { | |
02645926 AZ |
34 | uint8_t ret; |
35 | ||
66450b15 | 36 | OMAP_8B_REG(addr); |
b854bc19 | 37 | cpu_physical_memory_read(addr, (void *) &ret, 1); |
02645926 | 38 | return ret; |
66450b15 AZ |
39 | } |
40 | ||
41 | void omap_badwidth_write8(void *opaque, target_phys_addr_t addr, | |
42 | uint32_t value) | |
43 | { | |
b854bc19 AZ |
44 | uint8_t val8 = value; |
45 | ||
66450b15 | 46 | OMAP_8B_REG(addr); |
b854bc19 | 47 | cpu_physical_memory_write(addr, (void *) &val8, 1); |
66450b15 AZ |
48 | } |
49 | ||
b30bb3a2 | 50 | uint32_t omap_badwidth_read16(void *opaque, target_phys_addr_t addr) |
c3d2689d | 51 | { |
b854bc19 AZ |
52 | uint16_t ret; |
53 | ||
c3d2689d | 54 | OMAP_16B_REG(addr); |
b854bc19 AZ |
55 | cpu_physical_memory_read(addr, (void *) &ret, 2); |
56 | return ret; | |
c3d2689d AZ |
57 | } |
58 | ||
b30bb3a2 | 59 | void omap_badwidth_write16(void *opaque, target_phys_addr_t addr, |
c3d2689d AZ |
60 | uint32_t value) |
61 | { | |
b854bc19 AZ |
62 | uint16_t val16 = value; |
63 | ||
c3d2689d | 64 | OMAP_16B_REG(addr); |
b854bc19 | 65 | cpu_physical_memory_write(addr, (void *) &val16, 2); |
c3d2689d AZ |
66 | } |
67 | ||
b30bb3a2 | 68 | uint32_t omap_badwidth_read32(void *opaque, target_phys_addr_t addr) |
c3d2689d | 69 | { |
b854bc19 AZ |
70 | uint32_t ret; |
71 | ||
c3d2689d | 72 | OMAP_32B_REG(addr); |
b854bc19 AZ |
73 | cpu_physical_memory_read(addr, (void *) &ret, 4); |
74 | return ret; | |
c3d2689d AZ |
75 | } |
76 | ||
b30bb3a2 | 77 | void omap_badwidth_write32(void *opaque, target_phys_addr_t addr, |
c3d2689d AZ |
78 | uint32_t value) |
79 | { | |
80 | OMAP_32B_REG(addr); | |
b854bc19 | 81 | cpu_physical_memory_write(addr, (void *) &value, 4); |
c3d2689d AZ |
82 | } |
83 | ||
c3d2689d | 84 | /* Interrupt Handlers */ |
106627d0 | 85 | struct omap_intr_handler_bank_s { |
c3d2689d | 86 | uint32_t irqs; |
106627d0 | 87 | uint32_t inputs; |
c3d2689d | 88 | uint32_t mask; |
c3d2689d | 89 | uint32_t fiq; |
106627d0 | 90 | uint32_t sens_edge; |
827df9f3 | 91 | uint32_t swi; |
106627d0 | 92 | unsigned char priority[32]; |
c3d2689d AZ |
93 | }; |
94 | ||
106627d0 AZ |
95 | struct omap_intr_handler_s { |
96 | qemu_irq *pins; | |
97 | qemu_irq parent_intr[2]; | |
98 | target_phys_addr_t base; | |
99 | unsigned char nbanks; | |
827df9f3 | 100 | int level_only; |
c3d2689d | 101 | |
106627d0 AZ |
102 | /* state */ |
103 | uint32_t new_agr[2]; | |
104 | int sir_intr[2]; | |
827df9f3 AZ |
105 | int autoidle; |
106 | uint32_t mask; | |
107 | struct omap_intr_handler_bank_s bank[]; | |
106627d0 | 108 | }; |
c3d2689d | 109 | |
106627d0 AZ |
110 | static void omap_inth_sir_update(struct omap_intr_handler_s *s, int is_fiq) |
111 | { | |
112 | int i, j, sir_intr, p_intr, p, f; | |
113 | uint32_t level; | |
114 | sir_intr = 0; | |
115 | p_intr = 255; | |
116 | ||
117 | /* Find the interrupt line with the highest dynamic priority. | |
118 | * Note: 0 denotes the hightest priority. | |
119 | * If all interrupts have the same priority, the default order is IRQ_N, | |
120 | * IRQ_N-1,...,IRQ_0. */ | |
121 | for (j = 0; j < s->nbanks; ++j) { | |
827df9f3 AZ |
122 | level = s->bank[j].irqs & ~s->bank[j].mask & |
123 | (is_fiq ? s->bank[j].fiq : ~s->bank[j].fiq); | |
106627d0 AZ |
124 | for (f = ffs(level), i = f - 1, level >>= f - 1; f; i += f, |
125 | level >>= f) { | |
827df9f3 | 126 | p = s->bank[j].priority[i]; |
106627d0 AZ |
127 | if (p <= p_intr) { |
128 | p_intr = p; | |
129 | sir_intr = 32 * j + i; | |
130 | } | |
131 | f = ffs(level >> 1); | |
132 | } | |
cfa0b71d | 133 | } |
106627d0 | 134 | s->sir_intr[is_fiq] = sir_intr; |
c3d2689d AZ |
135 | } |
136 | ||
106627d0 | 137 | static inline void omap_inth_update(struct omap_intr_handler_s *s, int is_fiq) |
c3d2689d | 138 | { |
106627d0 AZ |
139 | int i; |
140 | uint32_t has_intr = 0; | |
c3d2689d | 141 | |
106627d0 | 142 | for (i = 0; i < s->nbanks; ++i) |
827df9f3 AZ |
143 | has_intr |= s->bank[i].irqs & ~s->bank[i].mask & |
144 | (is_fiq ? s->bank[i].fiq : ~s->bank[i].fiq); | |
c3d2689d | 145 | |
827df9f3 | 146 | if (s->new_agr[is_fiq] & has_intr & s->mask) { |
106627d0 AZ |
147 | s->new_agr[is_fiq] = 0; |
148 | omap_inth_sir_update(s, is_fiq); | |
149 | qemu_set_irq(s->parent_intr[is_fiq], 1); | |
c3d2689d | 150 | } |
c3d2689d AZ |
151 | } |
152 | ||
153 | #define INT_FALLING_EDGE 0 | |
154 | #define INT_LOW_LEVEL 1 | |
155 | ||
156 | static void omap_set_intr(void *opaque, int irq, int req) | |
157 | { | |
158 | struct omap_intr_handler_s *ih = (struct omap_intr_handler_s *) opaque; | |
159 | uint32_t rise; | |
160 | ||
827df9f3 | 161 | struct omap_intr_handler_bank_s *bank = &ih->bank[irq >> 5]; |
106627d0 AZ |
162 | int n = irq & 31; |
163 | ||
c3d2689d | 164 | if (req) { |
106627d0 AZ |
165 | rise = ~bank->irqs & (1 << n); |
166 | if (~bank->sens_edge & (1 << n)) | |
827df9f3 | 167 | rise &= ~bank->inputs; |
106627d0 AZ |
168 | |
169 | bank->inputs |= (1 << n); | |
170 | if (rise) { | |
171 | bank->irqs |= rise; | |
172 | omap_inth_update(ih, 0); | |
173 | omap_inth_update(ih, 1); | |
174 | } | |
c3d2689d | 175 | } else { |
106627d0 AZ |
176 | rise = bank->sens_edge & bank->irqs & (1 << n); |
177 | bank->irqs &= ~rise; | |
178 | bank->inputs &= ~(1 << n); | |
c3d2689d AZ |
179 | } |
180 | } | |
181 | ||
827df9f3 AZ |
182 | /* Simplified version with no edge detection */ |
183 | static void omap_set_intr_noedge(void *opaque, int irq, int req) | |
184 | { | |
185 | struct omap_intr_handler_s *ih = (struct omap_intr_handler_s *) opaque; | |
186 | uint32_t rise; | |
187 | ||
188 | struct omap_intr_handler_bank_s *bank = &ih->bank[irq >> 5]; | |
189 | int n = irq & 31; | |
190 | ||
191 | if (req) { | |
192 | rise = ~bank->inputs & (1 << n); | |
193 | if (rise) { | |
194 | bank->irqs |= bank->inputs |= rise; | |
195 | omap_inth_update(ih, 0); | |
196 | omap_inth_update(ih, 1); | |
197 | } | |
198 | } else | |
199 | bank->irqs = (bank->inputs &= ~(1 << n)) | bank->swi; | |
200 | } | |
201 | ||
c3d2689d AZ |
202 | static uint32_t omap_inth_read(void *opaque, target_phys_addr_t addr) |
203 | { | |
204 | struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque; | |
205 | int i, offset = addr - s->base; | |
106627d0 AZ |
206 | int bank_no = offset >> 8; |
207 | int line_no; | |
827df9f3 | 208 | struct omap_intr_handler_bank_s *bank = &s->bank[bank_no]; |
106627d0 | 209 | offset &= 0xff; |
c3d2689d AZ |
210 | |
211 | switch (offset) { | |
212 | case 0x00: /* ITR */ | |
106627d0 | 213 | return bank->irqs; |
c3d2689d AZ |
214 | |
215 | case 0x04: /* MIR */ | |
106627d0 | 216 | return bank->mask; |
c3d2689d AZ |
217 | |
218 | case 0x10: /* SIR_IRQ_CODE */ | |
106627d0 AZ |
219 | case 0x14: /* SIR_FIQ_CODE */ |
220 | if (bank_no != 0) | |
221 | break; | |
222 | line_no = s->sir_intr[(offset - 0x10) >> 2]; | |
827df9f3 | 223 | bank = &s->bank[line_no >> 5]; |
106627d0 AZ |
224 | i = line_no & 31; |
225 | if (((bank->sens_edge >> i) & 1) == INT_FALLING_EDGE) | |
226 | bank->irqs &= ~(1 << i); | |
f2df5260 | 227 | return line_no; |
c3d2689d AZ |
228 | |
229 | case 0x18: /* CONTROL_REG */ | |
106627d0 AZ |
230 | if (bank_no != 0) |
231 | break; | |
c3d2689d AZ |
232 | return 0; |
233 | ||
234 | case 0x1c: /* ILR0 */ | |
235 | case 0x20: /* ILR1 */ | |
236 | case 0x24: /* ILR2 */ | |
237 | case 0x28: /* ILR3 */ | |
238 | case 0x2c: /* ILR4 */ | |
239 | case 0x30: /* ILR5 */ | |
240 | case 0x34: /* ILR6 */ | |
241 | case 0x38: /* ILR7 */ | |
242 | case 0x3c: /* ILR8 */ | |
243 | case 0x40: /* ILR9 */ | |
244 | case 0x44: /* ILR10 */ | |
245 | case 0x48: /* ILR11 */ | |
246 | case 0x4c: /* ILR12 */ | |
247 | case 0x50: /* ILR13 */ | |
248 | case 0x54: /* ILR14 */ | |
249 | case 0x58: /* ILR15 */ | |
250 | case 0x5c: /* ILR16 */ | |
251 | case 0x60: /* ILR17 */ | |
252 | case 0x64: /* ILR18 */ | |
253 | case 0x68: /* ILR19 */ | |
254 | case 0x6c: /* ILR20 */ | |
255 | case 0x70: /* ILR21 */ | |
256 | case 0x74: /* ILR22 */ | |
257 | case 0x78: /* ILR23 */ | |
258 | case 0x7c: /* ILR24 */ | |
259 | case 0x80: /* ILR25 */ | |
260 | case 0x84: /* ILR26 */ | |
261 | case 0x88: /* ILR27 */ | |
262 | case 0x8c: /* ILR28 */ | |
263 | case 0x90: /* ILR29 */ | |
264 | case 0x94: /* ILR30 */ | |
265 | case 0x98: /* ILR31 */ | |
266 | i = (offset - 0x1c) >> 2; | |
106627d0 AZ |
267 | return (bank->priority[i] << 2) | |
268 | (((bank->sens_edge >> i) & 1) << 1) | | |
269 | ((bank->fiq >> i) & 1); | |
c3d2689d AZ |
270 | |
271 | case 0x9c: /* ISR */ | |
272 | return 0x00000000; | |
273 | ||
c3d2689d | 274 | } |
106627d0 | 275 | OMAP_BAD_REG(addr); |
c3d2689d AZ |
276 | return 0; |
277 | } | |
278 | ||
279 | static void omap_inth_write(void *opaque, target_phys_addr_t addr, | |
280 | uint32_t value) | |
281 | { | |
282 | struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque; | |
283 | int i, offset = addr - s->base; | |
106627d0 | 284 | int bank_no = offset >> 8; |
827df9f3 | 285 | struct omap_intr_handler_bank_s *bank = &s->bank[bank_no]; |
106627d0 | 286 | offset &= 0xff; |
c3d2689d AZ |
287 | |
288 | switch (offset) { | |
289 | case 0x00: /* ITR */ | |
106627d0 AZ |
290 | /* Important: ignore the clearing if the IRQ is level-triggered and |
291 | the input bit is 1 */ | |
292 | bank->irqs &= value | (bank->inputs & bank->sens_edge); | |
c3d2689d AZ |
293 | return; |
294 | ||
295 | case 0x04: /* MIR */ | |
106627d0 AZ |
296 | bank->mask = value; |
297 | omap_inth_update(s, 0); | |
298 | omap_inth_update(s, 1); | |
c3d2689d AZ |
299 | return; |
300 | ||
301 | case 0x10: /* SIR_IRQ_CODE */ | |
302 | case 0x14: /* SIR_FIQ_CODE */ | |
303 | OMAP_RO_REG(addr); | |
304 | break; | |
305 | ||
306 | case 0x18: /* CONTROL_REG */ | |
106627d0 AZ |
307 | if (bank_no != 0) |
308 | break; | |
309 | if (value & 2) { | |
310 | qemu_set_irq(s->parent_intr[1], 0); | |
311 | s->new_agr[1] = ~0; | |
312 | omap_inth_update(s, 1); | |
313 | } | |
314 | if (value & 1) { | |
315 | qemu_set_irq(s->parent_intr[0], 0); | |
316 | s->new_agr[0] = ~0; | |
317 | omap_inth_update(s, 0); | |
318 | } | |
c3d2689d AZ |
319 | return; |
320 | ||
321 | case 0x1c: /* ILR0 */ | |
322 | case 0x20: /* ILR1 */ | |
323 | case 0x24: /* ILR2 */ | |
324 | case 0x28: /* ILR3 */ | |
325 | case 0x2c: /* ILR4 */ | |
326 | case 0x30: /* ILR5 */ | |
327 | case 0x34: /* ILR6 */ | |
328 | case 0x38: /* ILR7 */ | |
329 | case 0x3c: /* ILR8 */ | |
330 | case 0x40: /* ILR9 */ | |
331 | case 0x44: /* ILR10 */ | |
332 | case 0x48: /* ILR11 */ | |
333 | case 0x4c: /* ILR12 */ | |
334 | case 0x50: /* ILR13 */ | |
335 | case 0x54: /* ILR14 */ | |
336 | case 0x58: /* ILR15 */ | |
337 | case 0x5c: /* ILR16 */ | |
338 | case 0x60: /* ILR17 */ | |
339 | case 0x64: /* ILR18 */ | |
340 | case 0x68: /* ILR19 */ | |
341 | case 0x6c: /* ILR20 */ | |
342 | case 0x70: /* ILR21 */ | |
343 | case 0x74: /* ILR22 */ | |
344 | case 0x78: /* ILR23 */ | |
345 | case 0x7c: /* ILR24 */ | |
346 | case 0x80: /* ILR25 */ | |
347 | case 0x84: /* ILR26 */ | |
348 | case 0x88: /* ILR27 */ | |
349 | case 0x8c: /* ILR28 */ | |
350 | case 0x90: /* ILR29 */ | |
351 | case 0x94: /* ILR30 */ | |
352 | case 0x98: /* ILR31 */ | |
353 | i = (offset - 0x1c) >> 2; | |
106627d0 AZ |
354 | bank->priority[i] = (value >> 2) & 0x1f; |
355 | bank->sens_edge &= ~(1 << i); | |
356 | bank->sens_edge |= ((value >> 1) & 1) << i; | |
357 | bank->fiq &= ~(1 << i); | |
358 | bank->fiq |= (value & 1) << i; | |
c3d2689d AZ |
359 | return; |
360 | ||
361 | case 0x9c: /* ISR */ | |
362 | for (i = 0; i < 32; i ++) | |
363 | if (value & (1 << i)) { | |
106627d0 | 364 | omap_set_intr(s, 32 * bank_no + i, 1); |
c3d2689d AZ |
365 | return; |
366 | } | |
367 | return; | |
c3d2689d | 368 | } |
106627d0 | 369 | OMAP_BAD_REG(addr); |
c3d2689d AZ |
370 | } |
371 | ||
372 | static CPUReadMemoryFunc *omap_inth_readfn[] = { | |
373 | omap_badwidth_read32, | |
374 | omap_badwidth_read32, | |
375 | omap_inth_read, | |
376 | }; | |
377 | ||
378 | static CPUWriteMemoryFunc *omap_inth_writefn[] = { | |
379 | omap_inth_write, | |
380 | omap_inth_write, | |
381 | omap_inth_write, | |
382 | }; | |
383 | ||
106627d0 | 384 | void omap_inth_reset(struct omap_intr_handler_s *s) |
c3d2689d | 385 | { |
106627d0 AZ |
386 | int i; |
387 | ||
388 | for (i = 0; i < s->nbanks; ++i){ | |
827df9f3 AZ |
389 | s->bank[i].irqs = 0x00000000; |
390 | s->bank[i].mask = 0xffffffff; | |
391 | s->bank[i].sens_edge = 0x00000000; | |
392 | s->bank[i].fiq = 0x00000000; | |
393 | s->bank[i].inputs = 0x00000000; | |
394 | s->bank[i].swi = 0x00000000; | |
395 | memset(s->bank[i].priority, 0, sizeof(s->bank[i].priority)); | |
396 | ||
397 | if (s->level_only) | |
398 | s->bank[i].sens_edge = 0xffffffff; | |
106627d0 | 399 | } |
c3d2689d | 400 | |
106627d0 AZ |
401 | s->new_agr[0] = ~0; |
402 | s->new_agr[1] = ~0; | |
403 | s->sir_intr[0] = 0; | |
404 | s->sir_intr[1] = 0; | |
827df9f3 AZ |
405 | s->autoidle = 0; |
406 | s->mask = ~0; | |
106627d0 AZ |
407 | |
408 | qemu_set_irq(s->parent_intr[0], 0); | |
409 | qemu_set_irq(s->parent_intr[1], 0); | |
c3d2689d AZ |
410 | } |
411 | ||
412 | struct omap_intr_handler_s *omap_inth_init(target_phys_addr_t base, | |
827df9f3 | 413 | unsigned long size, unsigned char nbanks, qemu_irq **pins, |
106627d0 | 414 | qemu_irq parent_irq, qemu_irq parent_fiq, omap_clk clk) |
c3d2689d AZ |
415 | { |
416 | int iomemtype; | |
417 | struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) | |
106627d0 AZ |
418 | qemu_mallocz(sizeof(struct omap_intr_handler_s) + |
419 | sizeof(struct omap_intr_handler_bank_s) * nbanks); | |
c3d2689d | 420 | |
106627d0 AZ |
421 | s->parent_intr[0] = parent_irq; |
422 | s->parent_intr[1] = parent_fiq; | |
c3d2689d | 423 | s->base = base; |
106627d0 AZ |
424 | s->nbanks = nbanks; |
425 | s->pins = qemu_allocate_irqs(omap_set_intr, s, nbanks * 32); | |
827df9f3 AZ |
426 | if (pins) |
427 | *pins = s->pins; | |
106627d0 | 428 | |
c3d2689d AZ |
429 | omap_inth_reset(s); |
430 | ||
431 | iomemtype = cpu_register_io_memory(0, omap_inth_readfn, | |
432 | omap_inth_writefn, s); | |
433 | cpu_register_physical_memory(s->base, size, iomemtype); | |
434 | ||
435 | return s; | |
436 | } | |
437 | ||
827df9f3 AZ |
438 | static uint32_t omap2_inth_read(void *opaque, target_phys_addr_t addr) |
439 | { | |
440 | struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque; | |
441 | int offset = addr - s->base; | |
442 | int bank_no, line_no; | |
443 | struct omap_intr_handler_bank_s *bank = 0; | |
444 | ||
445 | if ((offset & 0xf80) == 0x80) { | |
446 | bank_no = (offset & 0x60) >> 5; | |
447 | if (bank_no < s->nbanks) { | |
448 | offset &= ~0x60; | |
449 | bank = &s->bank[bank_no]; | |
450 | } | |
451 | } | |
452 | ||
453 | switch (offset) { | |
454 | case 0x00: /* INTC_REVISION */ | |
455 | return 0x21; | |
456 | ||
457 | case 0x10: /* INTC_SYSCONFIG */ | |
458 | return (s->autoidle >> 2) & 1; | |
459 | ||
460 | case 0x14: /* INTC_SYSSTATUS */ | |
461 | return 1; /* RESETDONE */ | |
462 | ||
463 | case 0x40: /* INTC_SIR_IRQ */ | |
464 | return s->sir_intr[0]; | |
465 | ||
466 | case 0x44: /* INTC_SIR_FIQ */ | |
467 | return s->sir_intr[1]; | |
468 | ||
469 | case 0x48: /* INTC_CONTROL */ | |
470 | return (!s->mask) << 2; /* GLOBALMASK */ | |
471 | ||
472 | case 0x4c: /* INTC_PROTECTION */ | |
473 | return 0; | |
474 | ||
475 | case 0x50: /* INTC_IDLE */ | |
476 | return s->autoidle & 3; | |
477 | ||
478 | /* Per-bank registers */ | |
479 | case 0x80: /* INTC_ITR */ | |
480 | return bank->inputs; | |
481 | ||
482 | case 0x84: /* INTC_MIR */ | |
483 | return bank->mask; | |
484 | ||
485 | case 0x88: /* INTC_MIR_CLEAR */ | |
486 | case 0x8c: /* INTC_MIR_SET */ | |
487 | return 0; | |
488 | ||
489 | case 0x90: /* INTC_ISR_SET */ | |
490 | return bank->swi; | |
491 | ||
492 | case 0x94: /* INTC_ISR_CLEAR */ | |
493 | return 0; | |
494 | ||
495 | case 0x98: /* INTC_PENDING_IRQ */ | |
496 | return bank->irqs & ~bank->mask & ~bank->fiq; | |
497 | ||
498 | case 0x9c: /* INTC_PENDING_FIQ */ | |
499 | return bank->irqs & ~bank->mask & bank->fiq; | |
500 | ||
501 | /* Per-line registers */ | |
502 | case 0x100 ... 0x300: /* INTC_ILR */ | |
503 | bank_no = (offset - 0x100) >> 7; | |
504 | if (bank_no > s->nbanks) | |
505 | break; | |
506 | bank = &s->bank[bank_no]; | |
507 | line_no = (offset & 0x7f) >> 2; | |
508 | return (bank->priority[line_no] << 2) | | |
509 | ((bank->fiq >> line_no) & 1); | |
510 | } | |
511 | OMAP_BAD_REG(addr); | |
512 | return 0; | |
513 | } | |
514 | ||
515 | static void omap2_inth_write(void *opaque, target_phys_addr_t addr, | |
516 | uint32_t value) | |
517 | { | |
518 | struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque; | |
519 | int offset = addr - s->base; | |
520 | int bank_no, line_no; | |
521 | struct omap_intr_handler_bank_s *bank = 0; | |
522 | ||
523 | if ((offset & 0xf80) == 0x80) { | |
524 | bank_no = (offset & 0x60) >> 5; | |
525 | if (bank_no < s->nbanks) { | |
526 | offset &= ~0x60; | |
527 | bank = &s->bank[bank_no]; | |
528 | } | |
529 | } | |
530 | ||
531 | switch (offset) { | |
532 | case 0x10: /* INTC_SYSCONFIG */ | |
533 | s->autoidle &= 4; | |
534 | s->autoidle |= (value & 1) << 2; | |
535 | if (value & 2) /* SOFTRESET */ | |
536 | omap_inth_reset(s); | |
537 | return; | |
538 | ||
539 | case 0x48: /* INTC_CONTROL */ | |
540 | s->mask = (value & 4) ? 0 : ~0; /* GLOBALMASK */ | |
541 | if (value & 2) { /* NEWFIQAGR */ | |
542 | qemu_set_irq(s->parent_intr[1], 0); | |
543 | s->new_agr[1] = ~0; | |
544 | omap_inth_update(s, 1); | |
545 | } | |
546 | if (value & 1) { /* NEWIRQAGR */ | |
547 | qemu_set_irq(s->parent_intr[0], 0); | |
548 | s->new_agr[0] = ~0; | |
549 | omap_inth_update(s, 0); | |
550 | } | |
551 | return; | |
552 | ||
553 | case 0x4c: /* INTC_PROTECTION */ | |
554 | /* TODO: Make a bitmap (or sizeof(char)map) of access privileges | |
555 | * for every register, see Chapter 3 and 4 for privileged mode. */ | |
556 | if (value & 1) | |
557 | fprintf(stderr, "%s: protection mode enable attempt\n", | |
558 | __FUNCTION__); | |
559 | return; | |
560 | ||
561 | case 0x50: /* INTC_IDLE */ | |
562 | s->autoidle &= ~3; | |
563 | s->autoidle |= value & 3; | |
564 | return; | |
565 | ||
566 | /* Per-bank registers */ | |
567 | case 0x84: /* INTC_MIR */ | |
568 | bank->mask = value; | |
569 | omap_inth_update(s, 0); | |
570 | omap_inth_update(s, 1); | |
571 | return; | |
572 | ||
573 | case 0x88: /* INTC_MIR_CLEAR */ | |
574 | bank->mask &= ~value; | |
575 | omap_inth_update(s, 0); | |
576 | omap_inth_update(s, 1); | |
577 | return; | |
578 | ||
579 | case 0x8c: /* INTC_MIR_SET */ | |
580 | bank->mask |= value; | |
581 | return; | |
582 | ||
583 | case 0x90: /* INTC_ISR_SET */ | |
584 | bank->irqs |= bank->swi |= value; | |
585 | omap_inth_update(s, 0); | |
586 | omap_inth_update(s, 1); | |
587 | return; | |
588 | ||
589 | case 0x94: /* INTC_ISR_CLEAR */ | |
590 | bank->swi &= ~value; | |
591 | bank->irqs = bank->swi & bank->inputs; | |
592 | return; | |
593 | ||
594 | /* Per-line registers */ | |
595 | case 0x100 ... 0x300: /* INTC_ILR */ | |
596 | bank_no = (offset - 0x100) >> 7; | |
597 | if (bank_no > s->nbanks) | |
598 | break; | |
599 | bank = &s->bank[bank_no]; | |
600 | line_no = (offset & 0x7f) >> 2; | |
601 | bank->priority[line_no] = (value >> 2) & 0x3f; | |
602 | bank->fiq &= ~(1 << line_no); | |
603 | bank->fiq |= (value & 1) << line_no; | |
604 | return; | |
605 | ||
606 | case 0x00: /* INTC_REVISION */ | |
607 | case 0x14: /* INTC_SYSSTATUS */ | |
608 | case 0x40: /* INTC_SIR_IRQ */ | |
609 | case 0x44: /* INTC_SIR_FIQ */ | |
610 | case 0x80: /* INTC_ITR */ | |
611 | case 0x98: /* INTC_PENDING_IRQ */ | |
612 | case 0x9c: /* INTC_PENDING_FIQ */ | |
613 | OMAP_RO_REG(addr); | |
614 | return; | |
615 | } | |
616 | OMAP_BAD_REG(addr); | |
617 | } | |
618 | ||
619 | static CPUReadMemoryFunc *omap2_inth_readfn[] = { | |
620 | omap_badwidth_read32, | |
621 | omap_badwidth_read32, | |
622 | omap2_inth_read, | |
623 | }; | |
624 | ||
625 | static CPUWriteMemoryFunc *omap2_inth_writefn[] = { | |
626 | omap2_inth_write, | |
627 | omap2_inth_write, | |
628 | omap2_inth_write, | |
629 | }; | |
630 | ||
631 | struct omap_intr_handler_s *omap2_inth_init(target_phys_addr_t base, | |
632 | int size, int nbanks, qemu_irq **pins, | |
633 | qemu_irq parent_irq, qemu_irq parent_fiq, | |
634 | omap_clk fclk, omap_clk iclk) | |
635 | { | |
636 | int iomemtype; | |
637 | struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) | |
638 | qemu_mallocz(sizeof(struct omap_intr_handler_s) + | |
639 | sizeof(struct omap_intr_handler_bank_s) * nbanks); | |
640 | ||
641 | s->parent_intr[0] = parent_irq; | |
642 | s->parent_intr[1] = parent_fiq; | |
643 | s->base = base; | |
644 | s->nbanks = nbanks; | |
645 | s->level_only = 1; | |
646 | s->pins = qemu_allocate_irqs(omap_set_intr_noedge, s, nbanks * 32); | |
647 | if (pins) | |
648 | *pins = s->pins; | |
649 | ||
650 | omap_inth_reset(s); | |
651 | ||
652 | iomemtype = cpu_register_io_memory(0, omap2_inth_readfn, | |
653 | omap2_inth_writefn, s); | |
654 | cpu_register_physical_memory(s->base, size, iomemtype); | |
655 | ||
656 | return s; | |
657 | } | |
658 | ||
c3d2689d AZ |
659 | /* MPU OS timers */ |
660 | struct omap_mpu_timer_s { | |
661 | qemu_irq irq; | |
662 | omap_clk clk; | |
663 | target_phys_addr_t base; | |
664 | uint32_t val; | |
665 | int64_t time; | |
666 | QEMUTimer *timer; | |
e856f2ad | 667 | QEMUBH *tick; |
c3d2689d AZ |
668 | int64_t rate; |
669 | int it_ena; | |
670 | ||
671 | int enable; | |
672 | int ptv; | |
673 | int ar; | |
674 | int st; | |
675 | uint32_t reset_val; | |
676 | }; | |
677 | ||
678 | static inline uint32_t omap_timer_read(struct omap_mpu_timer_s *timer) | |
679 | { | |
680 | uint64_t distance = qemu_get_clock(vm_clock) - timer->time; | |
681 | ||
682 | if (timer->st && timer->enable && timer->rate) | |
683 | return timer->val - muldiv64(distance >> (timer->ptv + 1), | |
684 | timer->rate, ticks_per_sec); | |
685 | else | |
686 | return timer->val; | |
687 | } | |
688 | ||
689 | static inline void omap_timer_sync(struct omap_mpu_timer_s *timer) | |
690 | { | |
691 | timer->val = omap_timer_read(timer); | |
692 | timer->time = qemu_get_clock(vm_clock); | |
693 | } | |
694 | ||
695 | static inline void omap_timer_update(struct omap_mpu_timer_s *timer) | |
696 | { | |
697 | int64_t expires; | |
698 | ||
699 | if (timer->enable && timer->st && timer->rate) { | |
700 | timer->val = timer->reset_val; /* Should skip this on clk enable */ | |
b8b137d6 | 701 | expires = muldiv64((uint64_t) timer->val << (timer->ptv + 1), |
c3d2689d | 702 | ticks_per_sec, timer->rate); |
b854bc19 AZ |
703 | |
704 | /* If timer expiry would be sooner than in about 1 ms and | |
705 | * auto-reload isn't set, then fire immediately. This is a hack | |
706 | * to make systems like PalmOS run in acceptable time. PalmOS | |
707 | * sets the interval to a very low value and polls the status bit | |
708 | * in a busy loop when it wants to sleep just a couple of CPU | |
709 | * ticks. */ | |
710 | if (expires > (ticks_per_sec >> 10) || timer->ar) | |
711 | qemu_mod_timer(timer->timer, timer->time + expires); | |
e856f2ad AZ |
712 | else |
713 | qemu_bh_schedule(timer->tick); | |
c3d2689d AZ |
714 | } else |
715 | qemu_del_timer(timer->timer); | |
716 | } | |
717 | ||
e856f2ad | 718 | static void omap_timer_fire(void *opaque) |
c3d2689d | 719 | { |
e856f2ad | 720 | struct omap_mpu_timer_s *timer = opaque; |
c3d2689d AZ |
721 | |
722 | if (!timer->ar) { | |
723 | timer->val = 0; | |
724 | timer->st = 0; | |
725 | } | |
726 | ||
727 | if (timer->it_ena) | |
106627d0 AZ |
728 | /* Edge-triggered irq */ |
729 | qemu_irq_pulse(timer->irq); | |
e856f2ad AZ |
730 | } |
731 | ||
732 | static void omap_timer_tick(void *opaque) | |
733 | { | |
734 | struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque; | |
735 | ||
736 | omap_timer_sync(timer); | |
737 | omap_timer_fire(timer); | |
c3d2689d AZ |
738 | omap_timer_update(timer); |
739 | } | |
740 | ||
741 | static void omap_timer_clk_update(void *opaque, int line, int on) | |
742 | { | |
743 | struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque; | |
744 | ||
745 | omap_timer_sync(timer); | |
746 | timer->rate = on ? omap_clk_getrate(timer->clk) : 0; | |
747 | omap_timer_update(timer); | |
748 | } | |
749 | ||
750 | static void omap_timer_clk_setup(struct omap_mpu_timer_s *timer) | |
751 | { | |
752 | omap_clk_adduser(timer->clk, | |
753 | qemu_allocate_irqs(omap_timer_clk_update, timer, 1)[0]); | |
754 | timer->rate = omap_clk_getrate(timer->clk); | |
755 | } | |
756 | ||
757 | static uint32_t omap_mpu_timer_read(void *opaque, target_phys_addr_t addr) | |
758 | { | |
759 | struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque; | |
760 | int offset = addr - s->base; | |
761 | ||
762 | switch (offset) { | |
763 | case 0x00: /* CNTL_TIMER */ | |
764 | return (s->enable << 5) | (s->ptv << 2) | (s->ar << 1) | s->st; | |
765 | ||
766 | case 0x04: /* LOAD_TIM */ | |
767 | break; | |
768 | ||
769 | case 0x08: /* READ_TIM */ | |
770 | return omap_timer_read(s); | |
771 | } | |
772 | ||
773 | OMAP_BAD_REG(addr); | |
774 | return 0; | |
775 | } | |
776 | ||
777 | static void omap_mpu_timer_write(void *opaque, target_phys_addr_t addr, | |
778 | uint32_t value) | |
779 | { | |
780 | struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque; | |
781 | int offset = addr - s->base; | |
782 | ||
783 | switch (offset) { | |
784 | case 0x00: /* CNTL_TIMER */ | |
785 | omap_timer_sync(s); | |
786 | s->enable = (value >> 5) & 1; | |
787 | s->ptv = (value >> 2) & 7; | |
788 | s->ar = (value >> 1) & 1; | |
789 | s->st = value & 1; | |
790 | omap_timer_update(s); | |
791 | return; | |
792 | ||
793 | case 0x04: /* LOAD_TIM */ | |
794 | s->reset_val = value; | |
795 | return; | |
796 | ||
797 | case 0x08: /* READ_TIM */ | |
798 | OMAP_RO_REG(addr); | |
799 | break; | |
800 | ||
801 | default: | |
802 | OMAP_BAD_REG(addr); | |
803 | } | |
804 | } | |
805 | ||
806 | static CPUReadMemoryFunc *omap_mpu_timer_readfn[] = { | |
807 | omap_badwidth_read32, | |
808 | omap_badwidth_read32, | |
809 | omap_mpu_timer_read, | |
810 | }; | |
811 | ||
812 | static CPUWriteMemoryFunc *omap_mpu_timer_writefn[] = { | |
813 | omap_badwidth_write32, | |
814 | omap_badwidth_write32, | |
815 | omap_mpu_timer_write, | |
816 | }; | |
817 | ||
818 | static void omap_mpu_timer_reset(struct omap_mpu_timer_s *s) | |
819 | { | |
820 | qemu_del_timer(s->timer); | |
821 | s->enable = 0; | |
822 | s->reset_val = 31337; | |
823 | s->val = 0; | |
824 | s->ptv = 0; | |
825 | s->ar = 0; | |
826 | s->st = 0; | |
827 | s->it_ena = 1; | |
828 | } | |
829 | ||
830 | struct omap_mpu_timer_s *omap_mpu_timer_init(target_phys_addr_t base, | |
831 | qemu_irq irq, omap_clk clk) | |
832 | { | |
833 | int iomemtype; | |
834 | struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) | |
835 | qemu_mallocz(sizeof(struct omap_mpu_timer_s)); | |
836 | ||
837 | s->irq = irq; | |
838 | s->clk = clk; | |
839 | s->base = base; | |
840 | s->timer = qemu_new_timer(vm_clock, omap_timer_tick, s); | |
e856f2ad | 841 | s->tick = qemu_bh_new(omap_timer_fire, s); |
c3d2689d AZ |
842 | omap_mpu_timer_reset(s); |
843 | omap_timer_clk_setup(s); | |
844 | ||
845 | iomemtype = cpu_register_io_memory(0, omap_mpu_timer_readfn, | |
846 | omap_mpu_timer_writefn, s); | |
847 | cpu_register_physical_memory(s->base, 0x100, iomemtype); | |
848 | ||
849 | return s; | |
850 | } | |
851 | ||
852 | /* Watchdog timer */ | |
853 | struct omap_watchdog_timer_s { | |
854 | struct omap_mpu_timer_s timer; | |
855 | uint8_t last_wr; | |
856 | int mode; | |
857 | int free; | |
858 | int reset; | |
859 | }; | |
860 | ||
861 | static uint32_t omap_wd_timer_read(void *opaque, target_phys_addr_t addr) | |
862 | { | |
863 | struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque; | |
864 | int offset = addr - s->timer.base; | |
865 | ||
866 | switch (offset) { | |
867 | case 0x00: /* CNTL_TIMER */ | |
868 | return (s->timer.ptv << 9) | (s->timer.ar << 8) | | |
869 | (s->timer.st << 7) | (s->free << 1); | |
870 | ||
871 | case 0x04: /* READ_TIMER */ | |
872 | return omap_timer_read(&s->timer); | |
873 | ||
874 | case 0x08: /* TIMER_MODE */ | |
875 | return s->mode << 15; | |
876 | } | |
877 | ||
878 | OMAP_BAD_REG(addr); | |
879 | return 0; | |
880 | } | |
881 | ||
882 | static void omap_wd_timer_write(void *opaque, target_phys_addr_t addr, | |
883 | uint32_t value) | |
884 | { | |
885 | struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque; | |
886 | int offset = addr - s->timer.base; | |
887 | ||
888 | switch (offset) { | |
889 | case 0x00: /* CNTL_TIMER */ | |
890 | omap_timer_sync(&s->timer); | |
891 | s->timer.ptv = (value >> 9) & 7; | |
892 | s->timer.ar = (value >> 8) & 1; | |
893 | s->timer.st = (value >> 7) & 1; | |
894 | s->free = (value >> 1) & 1; | |
895 | omap_timer_update(&s->timer); | |
896 | break; | |
897 | ||
898 | case 0x04: /* LOAD_TIMER */ | |
899 | s->timer.reset_val = value & 0xffff; | |
900 | break; | |
901 | ||
902 | case 0x08: /* TIMER_MODE */ | |
903 | if (!s->mode && ((value >> 15) & 1)) | |
904 | omap_clk_get(s->timer.clk); | |
905 | s->mode |= (value >> 15) & 1; | |
906 | if (s->last_wr == 0xf5) { | |
907 | if ((value & 0xff) == 0xa0) { | |
d8f699cb AZ |
908 | if (s->mode) { |
909 | s->mode = 0; | |
910 | omap_clk_put(s->timer.clk); | |
911 | } | |
c3d2689d AZ |
912 | } else { |
913 | /* XXX: on T|E hardware somehow this has no effect, | |
914 | * on Zire 71 it works as specified. */ | |
915 | s->reset = 1; | |
916 | qemu_system_reset_request(); | |
917 | } | |
918 | } | |
919 | s->last_wr = value & 0xff; | |
920 | break; | |
921 | ||
922 | default: | |
923 | OMAP_BAD_REG(addr); | |
924 | } | |
925 | } | |
926 | ||
927 | static CPUReadMemoryFunc *omap_wd_timer_readfn[] = { | |
928 | omap_badwidth_read16, | |
929 | omap_wd_timer_read, | |
930 | omap_badwidth_read16, | |
931 | }; | |
932 | ||
933 | static CPUWriteMemoryFunc *omap_wd_timer_writefn[] = { | |
934 | omap_badwidth_write16, | |
935 | omap_wd_timer_write, | |
936 | omap_badwidth_write16, | |
937 | }; | |
938 | ||
939 | static void omap_wd_timer_reset(struct omap_watchdog_timer_s *s) | |
940 | { | |
941 | qemu_del_timer(s->timer.timer); | |
942 | if (!s->mode) | |
943 | omap_clk_get(s->timer.clk); | |
944 | s->mode = 1; | |
945 | s->free = 1; | |
946 | s->reset = 0; | |
947 | s->timer.enable = 1; | |
948 | s->timer.it_ena = 1; | |
949 | s->timer.reset_val = 0xffff; | |
950 | s->timer.val = 0; | |
951 | s->timer.st = 0; | |
952 | s->timer.ptv = 0; | |
953 | s->timer.ar = 0; | |
954 | omap_timer_update(&s->timer); | |
955 | } | |
956 | ||
957 | struct omap_watchdog_timer_s *omap_wd_timer_init(target_phys_addr_t base, | |
958 | qemu_irq irq, omap_clk clk) | |
959 | { | |
960 | int iomemtype; | |
961 | struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) | |
962 | qemu_mallocz(sizeof(struct omap_watchdog_timer_s)); | |
963 | ||
964 | s->timer.irq = irq; | |
965 | s->timer.clk = clk; | |
966 | s->timer.base = base; | |
967 | s->timer.timer = qemu_new_timer(vm_clock, omap_timer_tick, &s->timer); | |
968 | omap_wd_timer_reset(s); | |
969 | omap_timer_clk_setup(&s->timer); | |
970 | ||
971 | iomemtype = cpu_register_io_memory(0, omap_wd_timer_readfn, | |
972 | omap_wd_timer_writefn, s); | |
973 | cpu_register_physical_memory(s->timer.base, 0x100, iomemtype); | |
974 | ||
975 | return s; | |
976 | } | |
977 | ||
978 | /* 32-kHz timer */ | |
979 | struct omap_32khz_timer_s { | |
980 | struct omap_mpu_timer_s timer; | |
981 | }; | |
982 | ||
983 | static uint32_t omap_os_timer_read(void *opaque, target_phys_addr_t addr) | |
984 | { | |
985 | struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque; | |
cf965d24 | 986 | int offset = addr & OMAP_MPUI_REG_MASK; |
c3d2689d AZ |
987 | |
988 | switch (offset) { | |
989 | case 0x00: /* TVR */ | |
990 | return s->timer.reset_val; | |
991 | ||
992 | case 0x04: /* TCR */ | |
993 | return omap_timer_read(&s->timer); | |
994 | ||
995 | case 0x08: /* CR */ | |
996 | return (s->timer.ar << 3) | (s->timer.it_ena << 2) | s->timer.st; | |
997 | ||
998 | default: | |
999 | break; | |
1000 | } | |
1001 | OMAP_BAD_REG(addr); | |
1002 | return 0; | |
1003 | } | |
1004 | ||
1005 | static void omap_os_timer_write(void *opaque, target_phys_addr_t addr, | |
1006 | uint32_t value) | |
1007 | { | |
1008 | struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque; | |
cf965d24 | 1009 | int offset = addr & OMAP_MPUI_REG_MASK; |
c3d2689d AZ |
1010 | |
1011 | switch (offset) { | |
1012 | case 0x00: /* TVR */ | |
1013 | s->timer.reset_val = value & 0x00ffffff; | |
1014 | break; | |
1015 | ||
1016 | case 0x04: /* TCR */ | |
1017 | OMAP_RO_REG(addr); | |
1018 | break; | |
1019 | ||
1020 | case 0x08: /* CR */ | |
1021 | s->timer.ar = (value >> 3) & 1; | |
1022 | s->timer.it_ena = (value >> 2) & 1; | |
1023 | if (s->timer.st != (value & 1) || (value & 2)) { | |
1024 | omap_timer_sync(&s->timer); | |
1025 | s->timer.enable = value & 1; | |
1026 | s->timer.st = value & 1; | |
1027 | omap_timer_update(&s->timer); | |
1028 | } | |
1029 | break; | |
1030 | ||
1031 | default: | |
1032 | OMAP_BAD_REG(addr); | |
1033 | } | |
1034 | } | |
1035 | ||
1036 | static CPUReadMemoryFunc *omap_os_timer_readfn[] = { | |
1037 | omap_badwidth_read32, | |
1038 | omap_badwidth_read32, | |
1039 | omap_os_timer_read, | |
1040 | }; | |
1041 | ||
1042 | static CPUWriteMemoryFunc *omap_os_timer_writefn[] = { | |
1043 | omap_badwidth_write32, | |
1044 | omap_badwidth_write32, | |
1045 | omap_os_timer_write, | |
1046 | }; | |
1047 | ||
1048 | static void omap_os_timer_reset(struct omap_32khz_timer_s *s) | |
1049 | { | |
1050 | qemu_del_timer(s->timer.timer); | |
1051 | s->timer.enable = 0; | |
1052 | s->timer.it_ena = 0; | |
1053 | s->timer.reset_val = 0x00ffffff; | |
1054 | s->timer.val = 0; | |
1055 | s->timer.st = 0; | |
1056 | s->timer.ptv = 0; | |
1057 | s->timer.ar = 1; | |
1058 | } | |
1059 | ||
1060 | struct omap_32khz_timer_s *omap_os_timer_init(target_phys_addr_t base, | |
1061 | qemu_irq irq, omap_clk clk) | |
1062 | { | |
1063 | int iomemtype; | |
1064 | struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) | |
1065 | qemu_mallocz(sizeof(struct omap_32khz_timer_s)); | |
1066 | ||
1067 | s->timer.irq = irq; | |
1068 | s->timer.clk = clk; | |
1069 | s->timer.base = base; | |
1070 | s->timer.timer = qemu_new_timer(vm_clock, omap_timer_tick, &s->timer); | |
1071 | omap_os_timer_reset(s); | |
1072 | omap_timer_clk_setup(&s->timer); | |
1073 | ||
1074 | iomemtype = cpu_register_io_memory(0, omap_os_timer_readfn, | |
1075 | omap_os_timer_writefn, s); | |
1076 | cpu_register_physical_memory(s->timer.base, 0x800, iomemtype); | |
1077 | ||
1078 | return s; | |
1079 | } | |
1080 | ||
1081 | /* Ultra Low-Power Device Module */ | |
1082 | static uint32_t omap_ulpd_pm_read(void *opaque, target_phys_addr_t addr) | |
1083 | { | |
1084 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1085 | int offset = addr - s->ulpd_pm_base; | |
1086 | uint16_t ret; | |
1087 | ||
1088 | switch (offset) { | |
1089 | case 0x14: /* IT_STATUS */ | |
1090 | ret = s->ulpd_pm_regs[offset >> 2]; | |
1091 | s->ulpd_pm_regs[offset >> 2] = 0; | |
1092 | qemu_irq_lower(s->irq[1][OMAP_INT_GAUGE_32K]); | |
1093 | return ret; | |
1094 | ||
1095 | case 0x18: /* Reserved */ | |
1096 | case 0x1c: /* Reserved */ | |
1097 | case 0x20: /* Reserved */ | |
1098 | case 0x28: /* Reserved */ | |
1099 | case 0x2c: /* Reserved */ | |
1100 | OMAP_BAD_REG(addr); | |
1101 | case 0x00: /* COUNTER_32_LSB */ | |
1102 | case 0x04: /* COUNTER_32_MSB */ | |
1103 | case 0x08: /* COUNTER_HIGH_FREQ_LSB */ | |
1104 | case 0x0c: /* COUNTER_HIGH_FREQ_MSB */ | |
1105 | case 0x10: /* GAUGING_CTRL */ | |
1106 | case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */ | |
1107 | case 0x30: /* CLOCK_CTRL */ | |
1108 | case 0x34: /* SOFT_REQ */ | |
1109 | case 0x38: /* COUNTER_32_FIQ */ | |
1110 | case 0x3c: /* DPLL_CTRL */ | |
1111 | case 0x40: /* STATUS_REQ */ | |
1112 | /* XXX: check clk::usecount state for every clock */ | |
1113 | case 0x48: /* LOCL_TIME */ | |
1114 | case 0x4c: /* APLL_CTRL */ | |
1115 | case 0x50: /* POWER_CTRL */ | |
1116 | return s->ulpd_pm_regs[offset >> 2]; | |
1117 | } | |
1118 | ||
1119 | OMAP_BAD_REG(addr); | |
1120 | return 0; | |
1121 | } | |
1122 | ||
1123 | static inline void omap_ulpd_clk_update(struct omap_mpu_state_s *s, | |
1124 | uint16_t diff, uint16_t value) | |
1125 | { | |
1126 | if (diff & (1 << 4)) /* USB_MCLK_EN */ | |
1127 | omap_clk_onoff(omap_findclk(s, "usb_clk0"), (value >> 4) & 1); | |
1128 | if (diff & (1 << 5)) /* DIS_USB_PVCI_CLK */ | |
1129 | omap_clk_onoff(omap_findclk(s, "usb_w2fc_ck"), (~value >> 5) & 1); | |
1130 | } | |
1131 | ||
1132 | static inline void omap_ulpd_req_update(struct omap_mpu_state_s *s, | |
1133 | uint16_t diff, uint16_t value) | |
1134 | { | |
1135 | if (diff & (1 << 0)) /* SOFT_DPLL_REQ */ | |
1136 | omap_clk_canidle(omap_findclk(s, "dpll4"), (~value >> 0) & 1); | |
1137 | if (diff & (1 << 1)) /* SOFT_COM_REQ */ | |
1138 | omap_clk_canidle(omap_findclk(s, "com_mclk_out"), (~value >> 1) & 1); | |
1139 | if (diff & (1 << 2)) /* SOFT_SDW_REQ */ | |
1140 | omap_clk_canidle(omap_findclk(s, "bt_mclk_out"), (~value >> 2) & 1); | |
1141 | if (diff & (1 << 3)) /* SOFT_USB_REQ */ | |
1142 | omap_clk_canidle(omap_findclk(s, "usb_clk0"), (~value >> 3) & 1); | |
1143 | } | |
1144 | ||
1145 | static void omap_ulpd_pm_write(void *opaque, target_phys_addr_t addr, | |
1146 | uint32_t value) | |
1147 | { | |
1148 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1149 | int offset = addr - s->ulpd_pm_base; | |
1150 | int64_t now, ticks; | |
1151 | int div, mult; | |
1152 | static const int bypass_div[4] = { 1, 2, 4, 4 }; | |
1153 | uint16_t diff; | |
1154 | ||
1155 | switch (offset) { | |
1156 | case 0x00: /* COUNTER_32_LSB */ | |
1157 | case 0x04: /* COUNTER_32_MSB */ | |
1158 | case 0x08: /* COUNTER_HIGH_FREQ_LSB */ | |
1159 | case 0x0c: /* COUNTER_HIGH_FREQ_MSB */ | |
1160 | case 0x14: /* IT_STATUS */ | |
1161 | case 0x40: /* STATUS_REQ */ | |
1162 | OMAP_RO_REG(addr); | |
1163 | break; | |
1164 | ||
1165 | case 0x10: /* GAUGING_CTRL */ | |
1166 | /* Bits 0 and 1 seem to be confused in the OMAP 310 TRM */ | |
1167 | if ((s->ulpd_pm_regs[offset >> 2] ^ value) & 1) { | |
1168 | now = qemu_get_clock(vm_clock); | |
1169 | ||
1170 | if (value & 1) | |
1171 | s->ulpd_gauge_start = now; | |
1172 | else { | |
1173 | now -= s->ulpd_gauge_start; | |
1174 | ||
1175 | /* 32-kHz ticks */ | |
1176 | ticks = muldiv64(now, 32768, ticks_per_sec); | |
1177 | s->ulpd_pm_regs[0x00 >> 2] = (ticks >> 0) & 0xffff; | |
1178 | s->ulpd_pm_regs[0x04 >> 2] = (ticks >> 16) & 0xffff; | |
1179 | if (ticks >> 32) /* OVERFLOW_32K */ | |
1180 | s->ulpd_pm_regs[0x14 >> 2] |= 1 << 2; | |
1181 | ||
1182 | /* High frequency ticks */ | |
1183 | ticks = muldiv64(now, 12000000, ticks_per_sec); | |
1184 | s->ulpd_pm_regs[0x08 >> 2] = (ticks >> 0) & 0xffff; | |
1185 | s->ulpd_pm_regs[0x0c >> 2] = (ticks >> 16) & 0xffff; | |
1186 | if (ticks >> 32) /* OVERFLOW_HI_FREQ */ | |
1187 | s->ulpd_pm_regs[0x14 >> 2] |= 1 << 1; | |
1188 | ||
1189 | s->ulpd_pm_regs[0x14 >> 2] |= 1 << 0; /* IT_GAUGING */ | |
1190 | qemu_irq_raise(s->irq[1][OMAP_INT_GAUGE_32K]); | |
1191 | } | |
1192 | } | |
1193 | s->ulpd_pm_regs[offset >> 2] = value; | |
1194 | break; | |
1195 | ||
1196 | case 0x18: /* Reserved */ | |
1197 | case 0x1c: /* Reserved */ | |
1198 | case 0x20: /* Reserved */ | |
1199 | case 0x28: /* Reserved */ | |
1200 | case 0x2c: /* Reserved */ | |
1201 | OMAP_BAD_REG(addr); | |
1202 | case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */ | |
1203 | case 0x38: /* COUNTER_32_FIQ */ | |
1204 | case 0x48: /* LOCL_TIME */ | |
1205 | case 0x50: /* POWER_CTRL */ | |
1206 | s->ulpd_pm_regs[offset >> 2] = value; | |
1207 | break; | |
1208 | ||
1209 | case 0x30: /* CLOCK_CTRL */ | |
1210 | diff = s->ulpd_pm_regs[offset >> 2] ^ value; | |
1211 | s->ulpd_pm_regs[offset >> 2] = value & 0x3f; | |
1212 | omap_ulpd_clk_update(s, diff, value); | |
1213 | break; | |
1214 | ||
1215 | case 0x34: /* SOFT_REQ */ | |
1216 | diff = s->ulpd_pm_regs[offset >> 2] ^ value; | |
1217 | s->ulpd_pm_regs[offset >> 2] = value & 0x1f; | |
1218 | omap_ulpd_req_update(s, diff, value); | |
1219 | break; | |
1220 | ||
1221 | case 0x3c: /* DPLL_CTRL */ | |
1222 | /* XXX: OMAP310 TRM claims bit 3 is PLL_ENABLE, and bit 4 is | |
1223 | * omitted altogether, probably a typo. */ | |
1224 | /* This register has identical semantics with DPLL(1:3) control | |
1225 | * registers, see omap_dpll_write() */ | |
1226 | diff = s->ulpd_pm_regs[offset >> 2] & value; | |
1227 | s->ulpd_pm_regs[offset >> 2] = value & 0x2fff; | |
1228 | if (diff & (0x3ff << 2)) { | |
1229 | if (value & (1 << 4)) { /* PLL_ENABLE */ | |
1230 | div = ((value >> 5) & 3) + 1; /* PLL_DIV */ | |
1231 | mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */ | |
1232 | } else { | |
1233 | div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */ | |
1234 | mult = 1; | |
1235 | } | |
1236 | omap_clk_setrate(omap_findclk(s, "dpll4"), div, mult); | |
1237 | } | |
1238 | ||
1239 | /* Enter the desired mode. */ | |
1240 | s->ulpd_pm_regs[offset >> 2] = | |
1241 | (s->ulpd_pm_regs[offset >> 2] & 0xfffe) | | |
1242 | ((s->ulpd_pm_regs[offset >> 2] >> 4) & 1); | |
1243 | ||
1244 | /* Act as if the lock is restored. */ | |
1245 | s->ulpd_pm_regs[offset >> 2] |= 2; | |
1246 | break; | |
1247 | ||
1248 | case 0x4c: /* APLL_CTRL */ | |
1249 | diff = s->ulpd_pm_regs[offset >> 2] & value; | |
1250 | s->ulpd_pm_regs[offset >> 2] = value & 0xf; | |
1251 | if (diff & (1 << 0)) /* APLL_NDPLL_SWITCH */ | |
1252 | omap_clk_reparent(omap_findclk(s, "ck_48m"), omap_findclk(s, | |
1253 | (value & (1 << 0)) ? "apll" : "dpll4")); | |
1254 | break; | |
1255 | ||
1256 | default: | |
1257 | OMAP_BAD_REG(addr); | |
1258 | } | |
1259 | } | |
1260 | ||
1261 | static CPUReadMemoryFunc *omap_ulpd_pm_readfn[] = { | |
1262 | omap_badwidth_read16, | |
1263 | omap_ulpd_pm_read, | |
1264 | omap_badwidth_read16, | |
1265 | }; | |
1266 | ||
1267 | static CPUWriteMemoryFunc *omap_ulpd_pm_writefn[] = { | |
1268 | omap_badwidth_write16, | |
1269 | omap_ulpd_pm_write, | |
1270 | omap_badwidth_write16, | |
1271 | }; | |
1272 | ||
1273 | static void omap_ulpd_pm_reset(struct omap_mpu_state_s *mpu) | |
1274 | { | |
1275 | mpu->ulpd_pm_regs[0x00 >> 2] = 0x0001; | |
1276 | mpu->ulpd_pm_regs[0x04 >> 2] = 0x0000; | |
1277 | mpu->ulpd_pm_regs[0x08 >> 2] = 0x0001; | |
1278 | mpu->ulpd_pm_regs[0x0c >> 2] = 0x0000; | |
1279 | mpu->ulpd_pm_regs[0x10 >> 2] = 0x0000; | |
1280 | mpu->ulpd_pm_regs[0x18 >> 2] = 0x01; | |
1281 | mpu->ulpd_pm_regs[0x1c >> 2] = 0x01; | |
1282 | mpu->ulpd_pm_regs[0x20 >> 2] = 0x01; | |
1283 | mpu->ulpd_pm_regs[0x24 >> 2] = 0x03ff; | |
1284 | mpu->ulpd_pm_regs[0x28 >> 2] = 0x01; | |
1285 | mpu->ulpd_pm_regs[0x2c >> 2] = 0x01; | |
1286 | omap_ulpd_clk_update(mpu, mpu->ulpd_pm_regs[0x30 >> 2], 0x0000); | |
1287 | mpu->ulpd_pm_regs[0x30 >> 2] = 0x0000; | |
1288 | omap_ulpd_req_update(mpu, mpu->ulpd_pm_regs[0x34 >> 2], 0x0000); | |
1289 | mpu->ulpd_pm_regs[0x34 >> 2] = 0x0000; | |
1290 | mpu->ulpd_pm_regs[0x38 >> 2] = 0x0001; | |
1291 | mpu->ulpd_pm_regs[0x3c >> 2] = 0x2211; | |
1292 | mpu->ulpd_pm_regs[0x40 >> 2] = 0x0000; /* FIXME: dump a real STATUS_REQ */ | |
1293 | mpu->ulpd_pm_regs[0x48 >> 2] = 0x960; | |
1294 | mpu->ulpd_pm_regs[0x4c >> 2] = 0x08; | |
1295 | mpu->ulpd_pm_regs[0x50 >> 2] = 0x08; | |
1296 | omap_clk_setrate(omap_findclk(mpu, "dpll4"), 1, 4); | |
1297 | omap_clk_reparent(omap_findclk(mpu, "ck_48m"), omap_findclk(mpu, "dpll4")); | |
1298 | } | |
1299 | ||
1300 | static void omap_ulpd_pm_init(target_phys_addr_t base, | |
1301 | struct omap_mpu_state_s *mpu) | |
1302 | { | |
1303 | int iomemtype = cpu_register_io_memory(0, omap_ulpd_pm_readfn, | |
1304 | omap_ulpd_pm_writefn, mpu); | |
1305 | ||
1306 | mpu->ulpd_pm_base = base; | |
1307 | cpu_register_physical_memory(mpu->ulpd_pm_base, 0x800, iomemtype); | |
1308 | omap_ulpd_pm_reset(mpu); | |
1309 | } | |
1310 | ||
1311 | /* OMAP Pin Configuration */ | |
1312 | static uint32_t omap_pin_cfg_read(void *opaque, target_phys_addr_t addr) | |
1313 | { | |
1314 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1315 | int offset = addr - s->pin_cfg_base; | |
1316 | ||
1317 | switch (offset) { | |
1318 | case 0x00: /* FUNC_MUX_CTRL_0 */ | |
1319 | case 0x04: /* FUNC_MUX_CTRL_1 */ | |
1320 | case 0x08: /* FUNC_MUX_CTRL_2 */ | |
1321 | return s->func_mux_ctrl[offset >> 2]; | |
1322 | ||
1323 | case 0x0c: /* COMP_MODE_CTRL_0 */ | |
1324 | return s->comp_mode_ctrl[0]; | |
1325 | ||
1326 | case 0x10: /* FUNC_MUX_CTRL_3 */ | |
1327 | case 0x14: /* FUNC_MUX_CTRL_4 */ | |
1328 | case 0x18: /* FUNC_MUX_CTRL_5 */ | |
1329 | case 0x1c: /* FUNC_MUX_CTRL_6 */ | |
1330 | case 0x20: /* FUNC_MUX_CTRL_7 */ | |
1331 | case 0x24: /* FUNC_MUX_CTRL_8 */ | |
1332 | case 0x28: /* FUNC_MUX_CTRL_9 */ | |
1333 | case 0x2c: /* FUNC_MUX_CTRL_A */ | |
1334 | case 0x30: /* FUNC_MUX_CTRL_B */ | |
1335 | case 0x34: /* FUNC_MUX_CTRL_C */ | |
1336 | case 0x38: /* FUNC_MUX_CTRL_D */ | |
1337 | return s->func_mux_ctrl[(offset >> 2) - 1]; | |
1338 | ||
1339 | case 0x40: /* PULL_DWN_CTRL_0 */ | |
1340 | case 0x44: /* PULL_DWN_CTRL_1 */ | |
1341 | case 0x48: /* PULL_DWN_CTRL_2 */ | |
1342 | case 0x4c: /* PULL_DWN_CTRL_3 */ | |
1343 | return s->pull_dwn_ctrl[(offset & 0xf) >> 2]; | |
1344 | ||
1345 | case 0x50: /* GATE_INH_CTRL_0 */ | |
1346 | return s->gate_inh_ctrl[0]; | |
1347 | ||
1348 | case 0x60: /* VOLTAGE_CTRL_0 */ | |
1349 | return s->voltage_ctrl[0]; | |
1350 | ||
1351 | case 0x70: /* TEST_DBG_CTRL_0 */ | |
1352 | return s->test_dbg_ctrl[0]; | |
1353 | ||
1354 | case 0x80: /* MOD_CONF_CTRL_0 */ | |
1355 | return s->mod_conf_ctrl[0]; | |
1356 | } | |
1357 | ||
1358 | OMAP_BAD_REG(addr); | |
1359 | return 0; | |
1360 | } | |
1361 | ||
1362 | static inline void omap_pin_funcmux0_update(struct omap_mpu_state_s *s, | |
1363 | uint32_t diff, uint32_t value) | |
1364 | { | |
1365 | if (s->compat1509) { | |
1366 | if (diff & (1 << 9)) /* BLUETOOTH */ | |
1367 | omap_clk_onoff(omap_findclk(s, "bt_mclk_out"), | |
1368 | (~value >> 9) & 1); | |
1369 | if (diff & (1 << 7)) /* USB.CLKO */ | |
1370 | omap_clk_onoff(omap_findclk(s, "usb.clko"), | |
1371 | (value >> 7) & 1); | |
1372 | } | |
1373 | } | |
1374 | ||
1375 | static inline void omap_pin_funcmux1_update(struct omap_mpu_state_s *s, | |
1376 | uint32_t diff, uint32_t value) | |
1377 | { | |
1378 | if (s->compat1509) { | |
1379 | if (diff & (1 << 31)) /* MCBSP3_CLK_HIZ_DI */ | |
1380 | omap_clk_onoff(omap_findclk(s, "mcbsp3.clkx"), | |
1381 | (value >> 31) & 1); | |
1382 | if (diff & (1 << 1)) /* CLK32K */ | |
1383 | omap_clk_onoff(omap_findclk(s, "clk32k_out"), | |
1384 | (~value >> 1) & 1); | |
1385 | } | |
1386 | } | |
1387 | ||
1388 | static inline void omap_pin_modconf1_update(struct omap_mpu_state_s *s, | |
1389 | uint32_t diff, uint32_t value) | |
1390 | { | |
1391 | if (diff & (1 << 31)) /* CONF_MOD_UART3_CLK_MODE_R */ | |
1392 | omap_clk_reparent(omap_findclk(s, "uart3_ck"), | |
1393 | omap_findclk(s, ((value >> 31) & 1) ? | |
1394 | "ck_48m" : "armper_ck")); | |
1395 | if (diff & (1 << 30)) /* CONF_MOD_UART2_CLK_MODE_R */ | |
1396 | omap_clk_reparent(omap_findclk(s, "uart2_ck"), | |
1397 | omap_findclk(s, ((value >> 30) & 1) ? | |
1398 | "ck_48m" : "armper_ck")); | |
1399 | if (diff & (1 << 29)) /* CONF_MOD_UART1_CLK_MODE_R */ | |
1400 | omap_clk_reparent(omap_findclk(s, "uart1_ck"), | |
1401 | omap_findclk(s, ((value >> 29) & 1) ? | |
1402 | "ck_48m" : "armper_ck")); | |
1403 | if (diff & (1 << 23)) /* CONF_MOD_MMC_SD_CLK_REQ_R */ | |
1404 | omap_clk_reparent(omap_findclk(s, "mmc_ck"), | |
1405 | omap_findclk(s, ((value >> 23) & 1) ? | |
1406 | "ck_48m" : "armper_ck")); | |
1407 | if (diff & (1 << 12)) /* CONF_MOD_COM_MCLK_12_48_S */ | |
1408 | omap_clk_reparent(omap_findclk(s, "com_mclk_out"), | |
1409 | omap_findclk(s, ((value >> 12) & 1) ? | |
1410 | "ck_48m" : "armper_ck")); | |
1411 | if (diff & (1 << 9)) /* CONF_MOD_USB_HOST_HHC_UHO */ | |
1412 | omap_clk_onoff(omap_findclk(s, "usb_hhc_ck"), (value >> 9) & 1); | |
1413 | } | |
1414 | ||
1415 | static void omap_pin_cfg_write(void *opaque, target_phys_addr_t addr, | |
1416 | uint32_t value) | |
1417 | { | |
1418 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1419 | int offset = addr - s->pin_cfg_base; | |
1420 | uint32_t diff; | |
1421 | ||
1422 | switch (offset) { | |
1423 | case 0x00: /* FUNC_MUX_CTRL_0 */ | |
1424 | diff = s->func_mux_ctrl[offset >> 2] ^ value; | |
1425 | s->func_mux_ctrl[offset >> 2] = value; | |
1426 | omap_pin_funcmux0_update(s, diff, value); | |
1427 | return; | |
1428 | ||
1429 | case 0x04: /* FUNC_MUX_CTRL_1 */ | |
1430 | diff = s->func_mux_ctrl[offset >> 2] ^ value; | |
1431 | s->func_mux_ctrl[offset >> 2] = value; | |
1432 | omap_pin_funcmux1_update(s, diff, value); | |
1433 | return; | |
1434 | ||
1435 | case 0x08: /* FUNC_MUX_CTRL_2 */ | |
1436 | s->func_mux_ctrl[offset >> 2] = value; | |
1437 | return; | |
1438 | ||
1439 | case 0x0c: /* COMP_MODE_CTRL_0 */ | |
1440 | s->comp_mode_ctrl[0] = value; | |
1441 | s->compat1509 = (value != 0x0000eaef); | |
1442 | omap_pin_funcmux0_update(s, ~0, s->func_mux_ctrl[0]); | |
1443 | omap_pin_funcmux1_update(s, ~0, s->func_mux_ctrl[1]); | |
1444 | return; | |
1445 | ||
1446 | case 0x10: /* FUNC_MUX_CTRL_3 */ | |
1447 | case 0x14: /* FUNC_MUX_CTRL_4 */ | |
1448 | case 0x18: /* FUNC_MUX_CTRL_5 */ | |
1449 | case 0x1c: /* FUNC_MUX_CTRL_6 */ | |
1450 | case 0x20: /* FUNC_MUX_CTRL_7 */ | |
1451 | case 0x24: /* FUNC_MUX_CTRL_8 */ | |
1452 | case 0x28: /* FUNC_MUX_CTRL_9 */ | |
1453 | case 0x2c: /* FUNC_MUX_CTRL_A */ | |
1454 | case 0x30: /* FUNC_MUX_CTRL_B */ | |
1455 | case 0x34: /* FUNC_MUX_CTRL_C */ | |
1456 | case 0x38: /* FUNC_MUX_CTRL_D */ | |
1457 | s->func_mux_ctrl[(offset >> 2) - 1] = value; | |
1458 | return; | |
1459 | ||
1460 | case 0x40: /* PULL_DWN_CTRL_0 */ | |
1461 | case 0x44: /* PULL_DWN_CTRL_1 */ | |
1462 | case 0x48: /* PULL_DWN_CTRL_2 */ | |
1463 | case 0x4c: /* PULL_DWN_CTRL_3 */ | |
1464 | s->pull_dwn_ctrl[(offset & 0xf) >> 2] = value; | |
1465 | return; | |
1466 | ||
1467 | case 0x50: /* GATE_INH_CTRL_0 */ | |
1468 | s->gate_inh_ctrl[0] = value; | |
1469 | return; | |
1470 | ||
1471 | case 0x60: /* VOLTAGE_CTRL_0 */ | |
1472 | s->voltage_ctrl[0] = value; | |
1473 | return; | |
1474 | ||
1475 | case 0x70: /* TEST_DBG_CTRL_0 */ | |
1476 | s->test_dbg_ctrl[0] = value; | |
1477 | return; | |
1478 | ||
1479 | case 0x80: /* MOD_CONF_CTRL_0 */ | |
1480 | diff = s->mod_conf_ctrl[0] ^ value; | |
1481 | s->mod_conf_ctrl[0] = value; | |
1482 | omap_pin_modconf1_update(s, diff, value); | |
1483 | return; | |
1484 | ||
1485 | default: | |
1486 | OMAP_BAD_REG(addr); | |
1487 | } | |
1488 | } | |
1489 | ||
1490 | static CPUReadMemoryFunc *omap_pin_cfg_readfn[] = { | |
1491 | omap_badwidth_read32, | |
1492 | omap_badwidth_read32, | |
1493 | omap_pin_cfg_read, | |
1494 | }; | |
1495 | ||
1496 | static CPUWriteMemoryFunc *omap_pin_cfg_writefn[] = { | |
1497 | omap_badwidth_write32, | |
1498 | omap_badwidth_write32, | |
1499 | omap_pin_cfg_write, | |
1500 | }; | |
1501 | ||
1502 | static void omap_pin_cfg_reset(struct omap_mpu_state_s *mpu) | |
1503 | { | |
1504 | /* Start in Compatibility Mode. */ | |
1505 | mpu->compat1509 = 1; | |
1506 | omap_pin_funcmux0_update(mpu, mpu->func_mux_ctrl[0], 0); | |
1507 | omap_pin_funcmux1_update(mpu, mpu->func_mux_ctrl[1], 0); | |
1508 | omap_pin_modconf1_update(mpu, mpu->mod_conf_ctrl[0], 0); | |
1509 | memset(mpu->func_mux_ctrl, 0, sizeof(mpu->func_mux_ctrl)); | |
1510 | memset(mpu->comp_mode_ctrl, 0, sizeof(mpu->comp_mode_ctrl)); | |
1511 | memset(mpu->pull_dwn_ctrl, 0, sizeof(mpu->pull_dwn_ctrl)); | |
1512 | memset(mpu->gate_inh_ctrl, 0, sizeof(mpu->gate_inh_ctrl)); | |
1513 | memset(mpu->voltage_ctrl, 0, sizeof(mpu->voltage_ctrl)); | |
1514 | memset(mpu->test_dbg_ctrl, 0, sizeof(mpu->test_dbg_ctrl)); | |
1515 | memset(mpu->mod_conf_ctrl, 0, sizeof(mpu->mod_conf_ctrl)); | |
1516 | } | |
1517 | ||
1518 | static void omap_pin_cfg_init(target_phys_addr_t base, | |
1519 | struct omap_mpu_state_s *mpu) | |
1520 | { | |
1521 | int iomemtype = cpu_register_io_memory(0, omap_pin_cfg_readfn, | |
1522 | omap_pin_cfg_writefn, mpu); | |
1523 | ||
1524 | mpu->pin_cfg_base = base; | |
1525 | cpu_register_physical_memory(mpu->pin_cfg_base, 0x800, iomemtype); | |
1526 | omap_pin_cfg_reset(mpu); | |
1527 | } | |
1528 | ||
1529 | /* Device Identification, Die Identification */ | |
1530 | static uint32_t omap_id_read(void *opaque, target_phys_addr_t addr) | |
1531 | { | |
1532 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1533 | ||
1534 | switch (addr) { | |
1535 | case 0xfffe1800: /* DIE_ID_LSB */ | |
1536 | return 0xc9581f0e; | |
1537 | case 0xfffe1804: /* DIE_ID_MSB */ | |
1538 | return 0xa8858bfa; | |
1539 | ||
1540 | case 0xfffe2000: /* PRODUCT_ID_LSB */ | |
1541 | return 0x00aaaafc; | |
1542 | case 0xfffe2004: /* PRODUCT_ID_MSB */ | |
1543 | return 0xcafeb574; | |
1544 | ||
1545 | case 0xfffed400: /* JTAG_ID_LSB */ | |
1546 | switch (s->mpu_model) { | |
1547 | case omap310: | |
1548 | return 0x03310315; | |
1549 | case omap1510: | |
1550 | return 0x03310115; | |
827df9f3 AZ |
1551 | default: |
1552 | cpu_abort(cpu_single_env, "%s: bad mpu model\n", __FUNCTION__); | |
c3d2689d AZ |
1553 | } |
1554 | break; | |
1555 | ||
1556 | case 0xfffed404: /* JTAG_ID_MSB */ | |
1557 | switch (s->mpu_model) { | |
1558 | case omap310: | |
1559 | return 0xfb57402f; | |
1560 | case omap1510: | |
1561 | return 0xfb47002f; | |
827df9f3 AZ |
1562 | default: |
1563 | cpu_abort(cpu_single_env, "%s: bad mpu model\n", __FUNCTION__); | |
c3d2689d AZ |
1564 | } |
1565 | break; | |
1566 | } | |
1567 | ||
1568 | OMAP_BAD_REG(addr); | |
1569 | return 0; | |
1570 | } | |
1571 | ||
1572 | static void omap_id_write(void *opaque, target_phys_addr_t addr, | |
1573 | uint32_t value) | |
1574 | { | |
1575 | OMAP_BAD_REG(addr); | |
1576 | } | |
1577 | ||
1578 | static CPUReadMemoryFunc *omap_id_readfn[] = { | |
1579 | omap_badwidth_read32, | |
1580 | omap_badwidth_read32, | |
1581 | omap_id_read, | |
1582 | }; | |
1583 | ||
1584 | static CPUWriteMemoryFunc *omap_id_writefn[] = { | |
1585 | omap_badwidth_write32, | |
1586 | omap_badwidth_write32, | |
1587 | omap_id_write, | |
1588 | }; | |
1589 | ||
1590 | static void omap_id_init(struct omap_mpu_state_s *mpu) | |
1591 | { | |
1592 | int iomemtype = cpu_register_io_memory(0, omap_id_readfn, | |
1593 | omap_id_writefn, mpu); | |
1594 | cpu_register_physical_memory(0xfffe1800, 0x800, iomemtype); | |
1595 | cpu_register_physical_memory(0xfffed400, 0x100, iomemtype); | |
1596 | if (!cpu_is_omap15xx(mpu)) | |
1597 | cpu_register_physical_memory(0xfffe2000, 0x800, iomemtype); | |
1598 | } | |
1599 | ||
1600 | /* MPUI Control (Dummy) */ | |
1601 | static uint32_t omap_mpui_read(void *opaque, target_phys_addr_t addr) | |
1602 | { | |
1603 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1604 | int offset = addr - s->mpui_base; | |
1605 | ||
1606 | switch (offset) { | |
1607 | case 0x00: /* CTRL */ | |
1608 | return s->mpui_ctrl; | |
1609 | case 0x04: /* DEBUG_ADDR */ | |
1610 | return 0x01ffffff; | |
1611 | case 0x08: /* DEBUG_DATA */ | |
1612 | return 0xffffffff; | |
1613 | case 0x0c: /* DEBUG_FLAG */ | |
1614 | return 0x00000800; | |
1615 | case 0x10: /* STATUS */ | |
1616 | return 0x00000000; | |
1617 | ||
1618 | /* Not in OMAP310 */ | |
1619 | case 0x14: /* DSP_STATUS */ | |
1620 | case 0x18: /* DSP_BOOT_CONFIG */ | |
1621 | return 0x00000000; | |
1622 | case 0x1c: /* DSP_MPUI_CONFIG */ | |
1623 | return 0x0000ffff; | |
1624 | } | |
1625 | ||
1626 | OMAP_BAD_REG(addr); | |
1627 | return 0; | |
1628 | } | |
1629 | ||
1630 | static void omap_mpui_write(void *opaque, target_phys_addr_t addr, | |
1631 | uint32_t value) | |
1632 | { | |
1633 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1634 | int offset = addr - s->mpui_base; | |
1635 | ||
1636 | switch (offset) { | |
1637 | case 0x00: /* CTRL */ | |
1638 | s->mpui_ctrl = value & 0x007fffff; | |
1639 | break; | |
1640 | ||
1641 | case 0x04: /* DEBUG_ADDR */ | |
1642 | case 0x08: /* DEBUG_DATA */ | |
1643 | case 0x0c: /* DEBUG_FLAG */ | |
1644 | case 0x10: /* STATUS */ | |
1645 | /* Not in OMAP310 */ | |
1646 | case 0x14: /* DSP_STATUS */ | |
1647 | OMAP_RO_REG(addr); | |
1648 | case 0x18: /* DSP_BOOT_CONFIG */ | |
1649 | case 0x1c: /* DSP_MPUI_CONFIG */ | |
1650 | break; | |
1651 | ||
1652 | default: | |
1653 | OMAP_BAD_REG(addr); | |
1654 | } | |
1655 | } | |
1656 | ||
1657 | static CPUReadMemoryFunc *omap_mpui_readfn[] = { | |
1658 | omap_badwidth_read32, | |
1659 | omap_badwidth_read32, | |
1660 | omap_mpui_read, | |
1661 | }; | |
1662 | ||
1663 | static CPUWriteMemoryFunc *omap_mpui_writefn[] = { | |
1664 | omap_badwidth_write32, | |
1665 | omap_badwidth_write32, | |
1666 | omap_mpui_write, | |
1667 | }; | |
1668 | ||
1669 | static void omap_mpui_reset(struct omap_mpu_state_s *s) | |
1670 | { | |
1671 | s->mpui_ctrl = 0x0003ff1b; | |
1672 | } | |
1673 | ||
1674 | static void omap_mpui_init(target_phys_addr_t base, | |
1675 | struct omap_mpu_state_s *mpu) | |
1676 | { | |
1677 | int iomemtype = cpu_register_io_memory(0, omap_mpui_readfn, | |
1678 | omap_mpui_writefn, mpu); | |
1679 | ||
1680 | mpu->mpui_base = base; | |
1681 | cpu_register_physical_memory(mpu->mpui_base, 0x100, iomemtype); | |
1682 | ||
1683 | omap_mpui_reset(mpu); | |
1684 | } | |
1685 | ||
1686 | /* TIPB Bridges */ | |
1687 | struct omap_tipb_bridge_s { | |
1688 | target_phys_addr_t base; | |
1689 | qemu_irq abort; | |
1690 | ||
1691 | int width_intr; | |
1692 | uint16_t control; | |
1693 | uint16_t alloc; | |
1694 | uint16_t buffer; | |
1695 | uint16_t enh_control; | |
1696 | }; | |
1697 | ||
1698 | static uint32_t omap_tipb_bridge_read(void *opaque, target_phys_addr_t addr) | |
1699 | { | |
1700 | struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque; | |
1701 | int offset = addr - s->base; | |
1702 | ||
1703 | switch (offset) { | |
1704 | case 0x00: /* TIPB_CNTL */ | |
1705 | return s->control; | |
1706 | case 0x04: /* TIPB_BUS_ALLOC */ | |
1707 | return s->alloc; | |
1708 | case 0x08: /* MPU_TIPB_CNTL */ | |
1709 | return s->buffer; | |
1710 | case 0x0c: /* ENHANCED_TIPB_CNTL */ | |
1711 | return s->enh_control; | |
1712 | case 0x10: /* ADDRESS_DBG */ | |
1713 | case 0x14: /* DATA_DEBUG_LOW */ | |
1714 | case 0x18: /* DATA_DEBUG_HIGH */ | |
1715 | return 0xffff; | |
1716 | case 0x1c: /* DEBUG_CNTR_SIG */ | |
1717 | return 0x00f8; | |
1718 | } | |
1719 | ||
1720 | OMAP_BAD_REG(addr); | |
1721 | return 0; | |
1722 | } | |
1723 | ||
1724 | static void omap_tipb_bridge_write(void *opaque, target_phys_addr_t addr, | |
1725 | uint32_t value) | |
1726 | { | |
1727 | struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque; | |
1728 | int offset = addr - s->base; | |
1729 | ||
1730 | switch (offset) { | |
1731 | case 0x00: /* TIPB_CNTL */ | |
1732 | s->control = value & 0xffff; | |
1733 | break; | |
1734 | ||
1735 | case 0x04: /* TIPB_BUS_ALLOC */ | |
1736 | s->alloc = value & 0x003f; | |
1737 | break; | |
1738 | ||
1739 | case 0x08: /* MPU_TIPB_CNTL */ | |
1740 | s->buffer = value & 0x0003; | |
1741 | break; | |
1742 | ||
1743 | case 0x0c: /* ENHANCED_TIPB_CNTL */ | |
1744 | s->width_intr = !(value & 2); | |
1745 | s->enh_control = value & 0x000f; | |
1746 | break; | |
1747 | ||
1748 | case 0x10: /* ADDRESS_DBG */ | |
1749 | case 0x14: /* DATA_DEBUG_LOW */ | |
1750 | case 0x18: /* DATA_DEBUG_HIGH */ | |
1751 | case 0x1c: /* DEBUG_CNTR_SIG */ | |
1752 | OMAP_RO_REG(addr); | |
1753 | break; | |
1754 | ||
1755 | default: | |
1756 | OMAP_BAD_REG(addr); | |
1757 | } | |
1758 | } | |
1759 | ||
1760 | static CPUReadMemoryFunc *omap_tipb_bridge_readfn[] = { | |
1761 | omap_badwidth_read16, | |
1762 | omap_tipb_bridge_read, | |
1763 | omap_tipb_bridge_read, | |
1764 | }; | |
1765 | ||
1766 | static CPUWriteMemoryFunc *omap_tipb_bridge_writefn[] = { | |
1767 | omap_badwidth_write16, | |
1768 | omap_tipb_bridge_write, | |
1769 | omap_tipb_bridge_write, | |
1770 | }; | |
1771 | ||
1772 | static void omap_tipb_bridge_reset(struct omap_tipb_bridge_s *s) | |
1773 | { | |
1774 | s->control = 0xffff; | |
1775 | s->alloc = 0x0009; | |
1776 | s->buffer = 0x0000; | |
1777 | s->enh_control = 0x000f; | |
1778 | } | |
1779 | ||
1780 | struct omap_tipb_bridge_s *omap_tipb_bridge_init(target_phys_addr_t base, | |
1781 | qemu_irq abort_irq, omap_clk clk) | |
1782 | { | |
1783 | int iomemtype; | |
1784 | struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) | |
1785 | qemu_mallocz(sizeof(struct omap_tipb_bridge_s)); | |
1786 | ||
1787 | s->abort = abort_irq; | |
1788 | s->base = base; | |
1789 | omap_tipb_bridge_reset(s); | |
1790 | ||
1791 | iomemtype = cpu_register_io_memory(0, omap_tipb_bridge_readfn, | |
1792 | omap_tipb_bridge_writefn, s); | |
1793 | cpu_register_physical_memory(s->base, 0x100, iomemtype); | |
1794 | ||
1795 | return s; | |
1796 | } | |
1797 | ||
1798 | /* Dummy Traffic Controller's Memory Interface */ | |
1799 | static uint32_t omap_tcmi_read(void *opaque, target_phys_addr_t addr) | |
1800 | { | |
1801 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1802 | int offset = addr - s->tcmi_base; | |
1803 | uint32_t ret; | |
1804 | ||
1805 | switch (offset) { | |
d8f699cb AZ |
1806 | case 0x00: /* IMIF_PRIO */ |
1807 | case 0x04: /* EMIFS_PRIO */ | |
1808 | case 0x08: /* EMIFF_PRIO */ | |
1809 | case 0x0c: /* EMIFS_CONFIG */ | |
1810 | case 0x10: /* EMIFS_CS0_CONFIG */ | |
1811 | case 0x14: /* EMIFS_CS1_CONFIG */ | |
1812 | case 0x18: /* EMIFS_CS2_CONFIG */ | |
1813 | case 0x1c: /* EMIFS_CS3_CONFIG */ | |
1814 | case 0x24: /* EMIFF_MRS */ | |
1815 | case 0x28: /* TIMEOUT1 */ | |
1816 | case 0x2c: /* TIMEOUT2 */ | |
1817 | case 0x30: /* TIMEOUT3 */ | |
1818 | case 0x3c: /* EMIFF_SDRAM_CONFIG_2 */ | |
1819 | case 0x40: /* EMIFS_CFG_DYN_WAIT */ | |
c3d2689d AZ |
1820 | return s->tcmi_regs[offset >> 2]; |
1821 | ||
d8f699cb | 1822 | case 0x20: /* EMIFF_SDRAM_CONFIG */ |
c3d2689d AZ |
1823 | ret = s->tcmi_regs[offset >> 2]; |
1824 | s->tcmi_regs[offset >> 2] &= ~1; /* XXX: Clear SLRF on SDRAM access */ | |
1825 | /* XXX: We can try using the VGA_DIRTY flag for this */ | |
1826 | return ret; | |
1827 | } | |
1828 | ||
1829 | OMAP_BAD_REG(addr); | |
1830 | return 0; | |
1831 | } | |
1832 | ||
1833 | static void omap_tcmi_write(void *opaque, target_phys_addr_t addr, | |
1834 | uint32_t value) | |
1835 | { | |
1836 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
1837 | int offset = addr - s->tcmi_base; | |
1838 | ||
1839 | switch (offset) { | |
d8f699cb AZ |
1840 | case 0x00: /* IMIF_PRIO */ |
1841 | case 0x04: /* EMIFS_PRIO */ | |
1842 | case 0x08: /* EMIFF_PRIO */ | |
1843 | case 0x10: /* EMIFS_CS0_CONFIG */ | |
1844 | case 0x14: /* EMIFS_CS1_CONFIG */ | |
1845 | case 0x18: /* EMIFS_CS2_CONFIG */ | |
1846 | case 0x1c: /* EMIFS_CS3_CONFIG */ | |
1847 | case 0x20: /* EMIFF_SDRAM_CONFIG */ | |
1848 | case 0x24: /* EMIFF_MRS */ | |
1849 | case 0x28: /* TIMEOUT1 */ | |
1850 | case 0x2c: /* TIMEOUT2 */ | |
1851 | case 0x30: /* TIMEOUT3 */ | |
1852 | case 0x3c: /* EMIFF_SDRAM_CONFIG_2 */ | |
1853 | case 0x40: /* EMIFS_CFG_DYN_WAIT */ | |
c3d2689d AZ |
1854 | s->tcmi_regs[offset >> 2] = value; |
1855 | break; | |
d8f699cb | 1856 | case 0x0c: /* EMIFS_CONFIG */ |
c3d2689d AZ |
1857 | s->tcmi_regs[offset >> 2] = (value & 0xf) | (1 << 4); |
1858 | break; | |
1859 | ||
1860 | default: | |
1861 | OMAP_BAD_REG(addr); | |
1862 | } | |
1863 | } | |
1864 | ||
1865 | static CPUReadMemoryFunc *omap_tcmi_readfn[] = { | |
1866 | omap_badwidth_read32, | |
1867 | omap_badwidth_read32, | |
1868 | omap_tcmi_read, | |
1869 | }; | |
1870 | ||
1871 | static CPUWriteMemoryFunc *omap_tcmi_writefn[] = { | |
1872 | omap_badwidth_write32, | |
1873 | omap_badwidth_write32, | |
1874 | omap_tcmi_write, | |
1875 | }; | |
1876 | ||
1877 | static void omap_tcmi_reset(struct omap_mpu_state_s *mpu) | |
1878 | { | |
1879 | mpu->tcmi_regs[0x00 >> 2] = 0x00000000; | |
1880 | mpu->tcmi_regs[0x04 >> 2] = 0x00000000; | |
1881 | mpu->tcmi_regs[0x08 >> 2] = 0x00000000; | |
1882 | mpu->tcmi_regs[0x0c >> 2] = 0x00000010; | |
1883 | mpu->tcmi_regs[0x10 >> 2] = 0x0010fffb; | |
1884 | mpu->tcmi_regs[0x14 >> 2] = 0x0010fffb; | |
1885 | mpu->tcmi_regs[0x18 >> 2] = 0x0010fffb; | |
1886 | mpu->tcmi_regs[0x1c >> 2] = 0x0010fffb; | |
1887 | mpu->tcmi_regs[0x20 >> 2] = 0x00618800; | |
1888 | mpu->tcmi_regs[0x24 >> 2] = 0x00000037; | |
1889 | mpu->tcmi_regs[0x28 >> 2] = 0x00000000; | |
1890 | mpu->tcmi_regs[0x2c >> 2] = 0x00000000; | |
1891 | mpu->tcmi_regs[0x30 >> 2] = 0x00000000; | |
1892 | mpu->tcmi_regs[0x3c >> 2] = 0x00000003; | |
1893 | mpu->tcmi_regs[0x40 >> 2] = 0x00000000; | |
1894 | } | |
1895 | ||
1896 | static void omap_tcmi_init(target_phys_addr_t base, | |
1897 | struct omap_mpu_state_s *mpu) | |
1898 | { | |
1899 | int iomemtype = cpu_register_io_memory(0, omap_tcmi_readfn, | |
1900 | omap_tcmi_writefn, mpu); | |
1901 | ||
1902 | mpu->tcmi_base = base; | |
1903 | cpu_register_physical_memory(mpu->tcmi_base, 0x100, iomemtype); | |
1904 | omap_tcmi_reset(mpu); | |
1905 | } | |
1906 | ||
1907 | /* Digital phase-locked loops control */ | |
1908 | static uint32_t omap_dpll_read(void *opaque, target_phys_addr_t addr) | |
1909 | { | |
1910 | struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque; | |
1911 | int offset = addr - s->base; | |
1912 | ||
1913 | if (offset == 0x00) /* CTL_REG */ | |
1914 | return s->mode; | |
1915 | ||
1916 | OMAP_BAD_REG(addr); | |
1917 | return 0; | |
1918 | } | |
1919 | ||
1920 | static void omap_dpll_write(void *opaque, target_phys_addr_t addr, | |
1921 | uint32_t value) | |
1922 | { | |
1923 | struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque; | |
1924 | uint16_t diff; | |
1925 | int offset = addr - s->base; | |
1926 | static const int bypass_div[4] = { 1, 2, 4, 4 }; | |
1927 | int div, mult; | |
1928 | ||
1929 | if (offset == 0x00) { /* CTL_REG */ | |
1930 | /* See omap_ulpd_pm_write() too */ | |
1931 | diff = s->mode & value; | |
1932 | s->mode = value & 0x2fff; | |
1933 | if (diff & (0x3ff << 2)) { | |
1934 | if (value & (1 << 4)) { /* PLL_ENABLE */ | |
1935 | div = ((value >> 5) & 3) + 1; /* PLL_DIV */ | |
1936 | mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */ | |
1937 | } else { | |
1938 | div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */ | |
1939 | mult = 1; | |
1940 | } | |
1941 | omap_clk_setrate(s->dpll, div, mult); | |
1942 | } | |
1943 | ||
1944 | /* Enter the desired mode. */ | |
1945 | s->mode = (s->mode & 0xfffe) | ((s->mode >> 4) & 1); | |
1946 | ||
1947 | /* Act as if the lock is restored. */ | |
1948 | s->mode |= 2; | |
1949 | } else { | |
1950 | OMAP_BAD_REG(addr); | |
1951 | } | |
1952 | } | |
1953 | ||
1954 | static CPUReadMemoryFunc *omap_dpll_readfn[] = { | |
1955 | omap_badwidth_read16, | |
1956 | omap_dpll_read, | |
1957 | omap_badwidth_read16, | |
1958 | }; | |
1959 | ||
1960 | static CPUWriteMemoryFunc *omap_dpll_writefn[] = { | |
1961 | omap_badwidth_write16, | |
1962 | omap_dpll_write, | |
1963 | omap_badwidth_write16, | |
1964 | }; | |
1965 | ||
1966 | static void omap_dpll_reset(struct dpll_ctl_s *s) | |
1967 | { | |
1968 | s->mode = 0x2002; | |
1969 | omap_clk_setrate(s->dpll, 1, 1); | |
1970 | } | |
1971 | ||
1972 | static void omap_dpll_init(struct dpll_ctl_s *s, target_phys_addr_t base, | |
1973 | omap_clk clk) | |
1974 | { | |
1975 | int iomemtype = cpu_register_io_memory(0, omap_dpll_readfn, | |
1976 | omap_dpll_writefn, s); | |
1977 | ||
1978 | s->base = base; | |
1979 | s->dpll = clk; | |
1980 | omap_dpll_reset(s); | |
1981 | ||
1982 | cpu_register_physical_memory(s->base, 0x100, iomemtype); | |
1983 | } | |
1984 | ||
1985 | /* UARTs */ | |
1986 | struct omap_uart_s { | |
1987 | SerialState *serial; /* TODO */ | |
827df9f3 AZ |
1988 | struct omap_target_agent_s *ta; |
1989 | target_phys_addr_t base; | |
75554a3c AZ |
1990 | omap_clk fclk; |
1991 | qemu_irq irq; | |
827df9f3 AZ |
1992 | |
1993 | uint8_t eblr; | |
1994 | uint8_t syscontrol; | |
1995 | uint8_t wkup; | |
1996 | uint8_t cfps; | |
54585ffe AZ |
1997 | uint8_t mdr[2]; |
1998 | uint8_t scr; | |
c3d2689d AZ |
1999 | }; |
2000 | ||
827df9f3 | 2001 | void omap_uart_reset(struct omap_uart_s *s) |
c3d2689d | 2002 | { |
827df9f3 AZ |
2003 | s->eblr = 0x00; |
2004 | s->syscontrol = 0; | |
2005 | s->wkup = 0x3f; | |
2006 | s->cfps = 0x69; | |
c3d2689d AZ |
2007 | } |
2008 | ||
2009 | struct omap_uart_s *omap_uart_init(target_phys_addr_t base, | |
827df9f3 AZ |
2010 | qemu_irq irq, omap_clk fclk, omap_clk iclk, |
2011 | qemu_irq txdma, qemu_irq rxdma, CharDriverState *chr) | |
c3d2689d AZ |
2012 | { |
2013 | struct omap_uart_s *s = (struct omap_uart_s *) | |
2014 | qemu_mallocz(sizeof(struct omap_uart_s)); | |
827df9f3 | 2015 | |
75554a3c AZ |
2016 | s->base = base; |
2017 | s->fclk = fclk; | |
2018 | s->irq = irq; | |
b6cd0ea1 AJ |
2019 | s->serial = serial_mm_init(base, 2, irq, omap_clk_getrate(fclk)/16, |
2020 | chr ?: qemu_chr_open("null"), 1); | |
827df9f3 AZ |
2021 | |
2022 | return s; | |
2023 | } | |
2024 | ||
2025 | static uint32_t omap_uart_read(void *opaque, target_phys_addr_t addr) | |
2026 | { | |
2027 | struct omap_uart_s *s = (struct omap_uart_s *) opaque; | |
2028 | int offset = addr - s->base; | |
2029 | ||
2030 | switch (offset) { | |
54585ffe AZ |
2031 | case 0x20: /* MDR1 */ |
2032 | return s->mdr[0]; | |
2033 | case 0x24: /* MDR2 */ | |
2034 | return s->mdr[1]; | |
2035 | case 0x40: /* SCR */ | |
2036 | return s->scr; | |
2037 | case 0x44: /* SSR */ | |
2038 | return 0x0; | |
827df9f3 AZ |
2039 | case 0x48: /* EBLR */ |
2040 | return s->eblr; | |
2041 | case 0x50: /* MVR */ | |
2042 | return 0x30; | |
2043 | case 0x54: /* SYSC */ | |
2044 | return s->syscontrol; | |
2045 | case 0x58: /* SYSS */ | |
2046 | return 1; | |
2047 | case 0x5c: /* WER */ | |
2048 | return s->wkup; | |
2049 | case 0x60: /* CFPS */ | |
2050 | return s->cfps; | |
2051 | } | |
2052 | ||
2053 | OMAP_BAD_REG(addr); | |
2054 | return 0; | |
2055 | } | |
2056 | ||
2057 | static void omap_uart_write(void *opaque, target_phys_addr_t addr, | |
2058 | uint32_t value) | |
2059 | { | |
2060 | struct omap_uart_s *s = (struct omap_uart_s *) opaque; | |
2061 | int offset = addr - s->base; | |
2062 | ||
2063 | switch (offset) { | |
54585ffe AZ |
2064 | case 0x20: /* MDR1 */ |
2065 | s->mdr[0] = value & 0x7f; | |
2066 | break; | |
2067 | case 0x24: /* MDR2 */ | |
2068 | s->mdr[1] = value & 0xff; | |
2069 | break; | |
2070 | case 0x40: /* SCR */ | |
2071 | s->scr = value & 0xff; | |
2072 | break; | |
827df9f3 AZ |
2073 | case 0x48: /* EBLR */ |
2074 | s->eblr = value & 0xff; | |
2075 | break; | |
54585ffe | 2076 | case 0x44: /* SSR */ |
827df9f3 AZ |
2077 | case 0x50: /* MVR */ |
2078 | case 0x58: /* SYSS */ | |
2079 | OMAP_RO_REG(addr); | |
2080 | break; | |
2081 | case 0x54: /* SYSC */ | |
2082 | s->syscontrol = value & 0x1d; | |
2083 | if (value & 2) | |
2084 | omap_uart_reset(s); | |
2085 | break; | |
2086 | case 0x5c: /* WER */ | |
2087 | s->wkup = value & 0x7f; | |
2088 | break; | |
2089 | case 0x60: /* CFPS */ | |
2090 | s->cfps = value & 0xff; | |
2091 | break; | |
2092 | default: | |
2093 | OMAP_BAD_REG(addr); | |
2094 | } | |
2095 | } | |
2096 | ||
2097 | static CPUReadMemoryFunc *omap_uart_readfn[] = { | |
2098 | omap_uart_read, | |
2099 | omap_uart_read, | |
2100 | omap_badwidth_read8, | |
2101 | }; | |
2102 | ||
2103 | static CPUWriteMemoryFunc *omap_uart_writefn[] = { | |
2104 | omap_uart_write, | |
2105 | omap_uart_write, | |
2106 | omap_badwidth_write8, | |
2107 | }; | |
2108 | ||
2109 | struct omap_uart_s *omap2_uart_init(struct omap_target_agent_s *ta, | |
2110 | qemu_irq irq, omap_clk fclk, omap_clk iclk, | |
2111 | qemu_irq txdma, qemu_irq rxdma, CharDriverState *chr) | |
2112 | { | |
2113 | target_phys_addr_t base = omap_l4_attach(ta, 0, 0); | |
2114 | struct omap_uart_s *s = omap_uart_init(base, irq, | |
2115 | fclk, iclk, txdma, rxdma, chr); | |
2116 | int iomemtype = cpu_register_io_memory(0, omap_uart_readfn, | |
2117 | omap_uart_writefn, s); | |
2118 | ||
2119 | s->ta = ta; | |
827df9f3 AZ |
2120 | |
2121 | cpu_register_physical_memory(s->base + 0x20, 0x100, iomemtype); | |
2122 | ||
c3d2689d AZ |
2123 | return s; |
2124 | } | |
2125 | ||
75554a3c AZ |
2126 | void omap_uart_attach(struct omap_uart_s *s, CharDriverState *chr) |
2127 | { | |
2128 | /* TODO: Should reuse or destroy current s->serial */ | |
2129 | s->serial = serial_mm_init(s->base, 2, s->irq, | |
2130 | omap_clk_getrate(s->fclk) / 16, | |
2131 | chr ?: qemu_chr_open("null"), 1); | |
2132 | } | |
2133 | ||
c3d2689d AZ |
2134 | /* MPU Clock/Reset/Power Mode Control */ |
2135 | static uint32_t omap_clkm_read(void *opaque, target_phys_addr_t addr) | |
2136 | { | |
2137 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
2138 | int offset = addr - s->clkm.mpu_base; | |
2139 | ||
2140 | switch (offset) { | |
2141 | case 0x00: /* ARM_CKCTL */ | |
2142 | return s->clkm.arm_ckctl; | |
2143 | ||
2144 | case 0x04: /* ARM_IDLECT1 */ | |
2145 | return s->clkm.arm_idlect1; | |
2146 | ||
2147 | case 0x08: /* ARM_IDLECT2 */ | |
2148 | return s->clkm.arm_idlect2; | |
2149 | ||
2150 | case 0x0c: /* ARM_EWUPCT */ | |
2151 | return s->clkm.arm_ewupct; | |
2152 | ||
2153 | case 0x10: /* ARM_RSTCT1 */ | |
2154 | return s->clkm.arm_rstct1; | |
2155 | ||
2156 | case 0x14: /* ARM_RSTCT2 */ | |
2157 | return s->clkm.arm_rstct2; | |
2158 | ||
2159 | case 0x18: /* ARM_SYSST */ | |
d8f699cb | 2160 | return (s->clkm.clocking_scheme << 11) | s->clkm.cold_start; |
c3d2689d AZ |
2161 | |
2162 | case 0x1c: /* ARM_CKOUT1 */ | |
2163 | return s->clkm.arm_ckout1; | |
2164 | ||
2165 | case 0x20: /* ARM_CKOUT2 */ | |
2166 | break; | |
2167 | } | |
2168 | ||
2169 | OMAP_BAD_REG(addr); | |
2170 | return 0; | |
2171 | } | |
2172 | ||
2173 | static inline void omap_clkm_ckctl_update(struct omap_mpu_state_s *s, | |
2174 | uint16_t diff, uint16_t value) | |
2175 | { | |
2176 | omap_clk clk; | |
2177 | ||
2178 | if (diff & (1 << 14)) { /* ARM_INTHCK_SEL */ | |
2179 | if (value & (1 << 14)) | |
2180 | /* Reserved */; | |
2181 | else { | |
2182 | clk = omap_findclk(s, "arminth_ck"); | |
2183 | omap_clk_reparent(clk, omap_findclk(s, "tc_ck")); | |
2184 | } | |
2185 | } | |
2186 | if (diff & (1 << 12)) { /* ARM_TIMXO */ | |
2187 | clk = omap_findclk(s, "armtim_ck"); | |
2188 | if (value & (1 << 12)) | |
2189 | omap_clk_reparent(clk, omap_findclk(s, "clkin")); | |
2190 | else | |
2191 | omap_clk_reparent(clk, omap_findclk(s, "ck_gen1")); | |
2192 | } | |
2193 | /* XXX: en_dspck */ | |
2194 | if (diff & (3 << 10)) { /* DSPMMUDIV */ | |
2195 | clk = omap_findclk(s, "dspmmu_ck"); | |
2196 | omap_clk_setrate(clk, 1 << ((value >> 10) & 3), 1); | |
2197 | } | |
2198 | if (diff & (3 << 8)) { /* TCDIV */ | |
2199 | clk = omap_findclk(s, "tc_ck"); | |
2200 | omap_clk_setrate(clk, 1 << ((value >> 8) & 3), 1); | |
2201 | } | |
2202 | if (diff & (3 << 6)) { /* DSPDIV */ | |
2203 | clk = omap_findclk(s, "dsp_ck"); | |
2204 | omap_clk_setrate(clk, 1 << ((value >> 6) & 3), 1); | |
2205 | } | |
2206 | if (diff & (3 << 4)) { /* ARMDIV */ | |
2207 | clk = omap_findclk(s, "arm_ck"); | |
2208 | omap_clk_setrate(clk, 1 << ((value >> 4) & 3), 1); | |
2209 | } | |
2210 | if (diff & (3 << 2)) { /* LCDDIV */ | |
2211 | clk = omap_findclk(s, "lcd_ck"); | |
2212 | omap_clk_setrate(clk, 1 << ((value >> 2) & 3), 1); | |
2213 | } | |
2214 | if (diff & (3 << 0)) { /* PERDIV */ | |
2215 | clk = omap_findclk(s, "armper_ck"); | |
2216 | omap_clk_setrate(clk, 1 << ((value >> 0) & 3), 1); | |
2217 | } | |
2218 | } | |
2219 | ||
2220 | static inline void omap_clkm_idlect1_update(struct omap_mpu_state_s *s, | |
2221 | uint16_t diff, uint16_t value) | |
2222 | { | |
2223 | omap_clk clk; | |
2224 | ||
2225 | if (value & (1 << 11)) /* SETARM_IDLE */ | |
2226 | cpu_interrupt(s->env, CPU_INTERRUPT_HALT); | |
2227 | if (!(value & (1 << 10))) /* WKUP_MODE */ | |
2228 | qemu_system_shutdown_request(); /* XXX: disable wakeup from IRQ */ | |
2229 | ||
2230 | #define SET_CANIDLE(clock, bit) \ | |
2231 | if (diff & (1 << bit)) { \ | |
2232 | clk = omap_findclk(s, clock); \ | |
2233 | omap_clk_canidle(clk, (value >> bit) & 1); \ | |
2234 | } | |
2235 | SET_CANIDLE("mpuwd_ck", 0) /* IDLWDT_ARM */ | |
2236 | SET_CANIDLE("armxor_ck", 1) /* IDLXORP_ARM */ | |
2237 | SET_CANIDLE("mpuper_ck", 2) /* IDLPER_ARM */ | |
2238 | SET_CANIDLE("lcd_ck", 3) /* IDLLCD_ARM */ | |
2239 | SET_CANIDLE("lb_ck", 4) /* IDLLB_ARM */ | |
2240 | SET_CANIDLE("hsab_ck", 5) /* IDLHSAB_ARM */ | |
2241 | SET_CANIDLE("tipb_ck", 6) /* IDLIF_ARM */ | |
2242 | SET_CANIDLE("dma_ck", 6) /* IDLIF_ARM */ | |
2243 | SET_CANIDLE("tc_ck", 6) /* IDLIF_ARM */ | |
2244 | SET_CANIDLE("dpll1", 7) /* IDLDPLL_ARM */ | |
2245 | SET_CANIDLE("dpll2", 7) /* IDLDPLL_ARM */ | |
2246 | SET_CANIDLE("dpll3", 7) /* IDLDPLL_ARM */ | |
2247 | SET_CANIDLE("mpui_ck", 8) /* IDLAPI_ARM */ | |
2248 | SET_CANIDLE("armtim_ck", 9) /* IDLTIM_ARM */ | |
2249 | } | |
2250 | ||
2251 | static inline void omap_clkm_idlect2_update(struct omap_mpu_state_s *s, | |
2252 | uint16_t diff, uint16_t value) | |
2253 | { | |
2254 | omap_clk clk; | |
2255 | ||
2256 | #define SET_ONOFF(clock, bit) \ | |
2257 | if (diff & (1 << bit)) { \ | |
2258 | clk = omap_findclk(s, clock); \ | |
2259 | omap_clk_onoff(clk, (value >> bit) & 1); \ | |
2260 | } | |
2261 | SET_ONOFF("mpuwd_ck", 0) /* EN_WDTCK */ | |
2262 | SET_ONOFF("armxor_ck", 1) /* EN_XORPCK */ | |
2263 | SET_ONOFF("mpuper_ck", 2) /* EN_PERCK */ | |
2264 | SET_ONOFF("lcd_ck", 3) /* EN_LCDCK */ | |
2265 | SET_ONOFF("lb_ck", 4) /* EN_LBCK */ | |
2266 | SET_ONOFF("hsab_ck", 5) /* EN_HSABCK */ | |
2267 | SET_ONOFF("mpui_ck", 6) /* EN_APICK */ | |
2268 | SET_ONOFF("armtim_ck", 7) /* EN_TIMCK */ | |
2269 | SET_CANIDLE("dma_ck", 8) /* DMACK_REQ */ | |
2270 | SET_ONOFF("arm_gpio_ck", 9) /* EN_GPIOCK */ | |
2271 | SET_ONOFF("lbfree_ck", 10) /* EN_LBFREECK */ | |
2272 | } | |
2273 | ||
2274 | static inline void omap_clkm_ckout1_update(struct omap_mpu_state_s *s, | |
2275 | uint16_t diff, uint16_t value) | |
2276 | { | |
2277 | omap_clk clk; | |
2278 | ||
2279 | if (diff & (3 << 4)) { /* TCLKOUT */ | |
2280 | clk = omap_findclk(s, "tclk_out"); | |
2281 | switch ((value >> 4) & 3) { | |
2282 | case 1: | |
2283 | omap_clk_reparent(clk, omap_findclk(s, "ck_gen3")); | |
2284 | omap_clk_onoff(clk, 1); | |
2285 | break; | |
2286 | case 2: | |
2287 | omap_clk_reparent(clk, omap_findclk(s, "tc_ck")); | |
2288 | omap_clk_onoff(clk, 1); | |
2289 | break; | |
2290 | default: | |
2291 | omap_clk_onoff(clk, 0); | |
2292 | } | |
2293 | } | |
2294 | if (diff & (3 << 2)) { /* DCLKOUT */ | |
2295 | clk = omap_findclk(s, "dclk_out"); | |
2296 | switch ((value >> 2) & 3) { | |
2297 | case 0: | |
2298 | omap_clk_reparent(clk, omap_findclk(s, "dspmmu_ck")); | |
2299 | break; | |
2300 | case 1: | |
2301 | omap_clk_reparent(clk, omap_findclk(s, "ck_gen2")); | |
2302 | break; | |
2303 | case 2: | |
2304 | omap_clk_reparent(clk, omap_findclk(s, "dsp_ck")); | |
2305 | break; | |
2306 | case 3: | |
2307 | omap_clk_reparent(clk, omap_findclk(s, "ck_ref14")); | |
2308 | break; | |
2309 | } | |
2310 | } | |
2311 | if (diff & (3 << 0)) { /* ACLKOUT */ | |
2312 | clk = omap_findclk(s, "aclk_out"); | |
2313 | switch ((value >> 0) & 3) { | |
2314 | case 1: | |
2315 | omap_clk_reparent(clk, omap_findclk(s, "ck_gen1")); | |
2316 | omap_clk_onoff(clk, 1); | |
2317 | break; | |
2318 | case 2: | |
2319 | omap_clk_reparent(clk, omap_findclk(s, "arm_ck")); | |
2320 | omap_clk_onoff(clk, 1); | |
2321 | break; | |
2322 | case 3: | |
2323 | omap_clk_reparent(clk, omap_findclk(s, "ck_ref14")); | |
2324 | omap_clk_onoff(clk, 1); | |
2325 | break; | |
2326 | default: | |
2327 | omap_clk_onoff(clk, 0); | |
2328 | } | |
2329 | } | |
2330 | } | |
2331 | ||
2332 | static void omap_clkm_write(void *opaque, target_phys_addr_t addr, | |
2333 | uint32_t value) | |
2334 | { | |
2335 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
2336 | int offset = addr - s->clkm.mpu_base; | |
2337 | uint16_t diff; | |
2338 | omap_clk clk; | |
2339 | static const char *clkschemename[8] = { | |
2340 | "fully synchronous", "fully asynchronous", "synchronous scalable", | |
2341 | "mix mode 1", "mix mode 2", "bypass mode", "mix mode 3", "mix mode 4", | |
2342 | }; | |
2343 | ||
2344 | switch (offset) { | |
2345 | case 0x00: /* ARM_CKCTL */ | |
2346 | diff = s->clkm.arm_ckctl ^ value; | |
2347 | s->clkm.arm_ckctl = value & 0x7fff; | |
2348 | omap_clkm_ckctl_update(s, diff, value); | |
2349 | return; | |
2350 | ||
2351 | case 0x04: /* ARM_IDLECT1 */ | |
2352 | diff = s->clkm.arm_idlect1 ^ value; | |
2353 | s->clkm.arm_idlect1 = value & 0x0fff; | |
2354 | omap_clkm_idlect1_update(s, diff, value); | |
2355 | return; | |
2356 | ||
2357 | case 0x08: /* ARM_IDLECT2 */ | |
2358 | diff = s->clkm.arm_idlect2 ^ value; | |
2359 | s->clkm.arm_idlect2 = value & 0x07ff; | |
2360 | omap_clkm_idlect2_update(s, diff, value); | |
2361 | return; | |
2362 | ||
2363 | case 0x0c: /* ARM_EWUPCT */ | |
2364 | diff = s->clkm.arm_ewupct ^ value; | |
2365 | s->clkm.arm_ewupct = value & 0x003f; | |
2366 | return; | |
2367 | ||
2368 | case 0x10: /* ARM_RSTCT1 */ | |
2369 | diff = s->clkm.arm_rstct1 ^ value; | |
2370 | s->clkm.arm_rstct1 = value & 0x0007; | |
2371 | if (value & 9) { | |
2372 | qemu_system_reset_request(); | |
2373 | s->clkm.cold_start = 0xa; | |
2374 | } | |
2375 | if (diff & ~value & 4) { /* DSP_RST */ | |
2376 | omap_mpui_reset(s); | |
2377 | omap_tipb_bridge_reset(s->private_tipb); | |
2378 | omap_tipb_bridge_reset(s->public_tipb); | |
2379 | } | |
2380 | if (diff & 2) { /* DSP_EN */ | |
2381 | clk = omap_findclk(s, "dsp_ck"); | |
2382 | omap_clk_canidle(clk, (~value >> 1) & 1); | |
2383 | } | |
2384 | return; | |
2385 | ||
2386 | case 0x14: /* ARM_RSTCT2 */ | |
2387 | s->clkm.arm_rstct2 = value & 0x0001; | |
2388 | return; | |
2389 | ||
2390 | case 0x18: /* ARM_SYSST */ | |
2391 | if ((s->clkm.clocking_scheme ^ (value >> 11)) & 7) { | |
2392 | s->clkm.clocking_scheme = (value >> 11) & 7; | |
2393 | printf("%s: clocking scheme set to %s\n", __FUNCTION__, | |
2394 | clkschemename[s->clkm.clocking_scheme]); | |
2395 | } | |
2396 | s->clkm.cold_start &= value & 0x3f; | |
2397 | return; | |
2398 | ||
2399 | case 0x1c: /* ARM_CKOUT1 */ | |
2400 | diff = s->clkm.arm_ckout1 ^ value; | |
2401 | s->clkm.arm_ckout1 = value & 0x003f; | |
2402 | omap_clkm_ckout1_update(s, diff, value); | |
2403 | return; | |
2404 | ||
2405 | case 0x20: /* ARM_CKOUT2 */ | |
2406 | default: | |
2407 | OMAP_BAD_REG(addr); | |
2408 | } | |
2409 | } | |
2410 | ||
2411 | static CPUReadMemoryFunc *omap_clkm_readfn[] = { | |
2412 | omap_badwidth_read16, | |
2413 | omap_clkm_read, | |
2414 | omap_badwidth_read16, | |
2415 | }; | |
2416 | ||
2417 | static CPUWriteMemoryFunc *omap_clkm_writefn[] = { | |
2418 | omap_badwidth_write16, | |
2419 | omap_clkm_write, | |
2420 | omap_badwidth_write16, | |
2421 | }; | |
2422 | ||
2423 | static uint32_t omap_clkdsp_read(void *opaque, target_phys_addr_t addr) | |
2424 | { | |
2425 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
2426 | int offset = addr - s->clkm.dsp_base; | |
2427 | ||
2428 | switch (offset) { | |
2429 | case 0x04: /* DSP_IDLECT1 */ | |
2430 | return s->clkm.dsp_idlect1; | |
2431 | ||
2432 | case 0x08: /* DSP_IDLECT2 */ | |
2433 | return s->clkm.dsp_idlect2; | |
2434 | ||
2435 | case 0x14: /* DSP_RSTCT2 */ | |
2436 | return s->clkm.dsp_rstct2; | |
2437 | ||
2438 | case 0x18: /* DSP_SYSST */ | |
d8f699cb | 2439 | return (s->clkm.clocking_scheme << 11) | s->clkm.cold_start | |
c3d2689d AZ |
2440 | (s->env->halted << 6); /* Quite useless... */ |
2441 | } | |
2442 | ||
2443 | OMAP_BAD_REG(addr); | |
2444 | return 0; | |
2445 | } | |
2446 | ||
2447 | static inline void omap_clkdsp_idlect1_update(struct omap_mpu_state_s *s, | |
2448 | uint16_t diff, uint16_t value) | |
2449 | { | |
2450 | omap_clk clk; | |
2451 | ||
2452 | SET_CANIDLE("dspxor_ck", 1); /* IDLXORP_DSP */ | |
2453 | } | |
2454 | ||
2455 | static inline void omap_clkdsp_idlect2_update(struct omap_mpu_state_s *s, | |
2456 | uint16_t diff, uint16_t value) | |
2457 | { | |
2458 | omap_clk clk; | |
2459 | ||
2460 | SET_ONOFF("dspxor_ck", 1); /* EN_XORPCK */ | |
2461 | } | |
2462 | ||
2463 | static void omap_clkdsp_write(void *opaque, target_phys_addr_t addr, | |
2464 | uint32_t value) | |
2465 | { | |
2466 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
2467 | int offset = addr - s->clkm.dsp_base; | |
2468 | uint16_t diff; | |
2469 | ||
2470 | switch (offset) { | |
2471 | case 0x04: /* DSP_IDLECT1 */ | |
2472 | diff = s->clkm.dsp_idlect1 ^ value; | |
2473 | s->clkm.dsp_idlect1 = value & 0x01f7; | |
2474 | omap_clkdsp_idlect1_update(s, diff, value); | |
2475 | break; | |
2476 | ||
2477 | case 0x08: /* DSP_IDLECT2 */ | |
2478 | s->clkm.dsp_idlect2 = value & 0x0037; | |
2479 | diff = s->clkm.dsp_idlect1 ^ value; | |
2480 | omap_clkdsp_idlect2_update(s, diff, value); | |
2481 | break; | |
2482 | ||
2483 | case 0x14: /* DSP_RSTCT2 */ | |
2484 | s->clkm.dsp_rstct2 = value & 0x0001; | |
2485 | break; | |
2486 | ||
2487 | case 0x18: /* DSP_SYSST */ | |
2488 | s->clkm.cold_start &= value & 0x3f; | |
2489 | break; | |
2490 | ||
2491 | default: | |
2492 | OMAP_BAD_REG(addr); | |
2493 | } | |
2494 | } | |
2495 | ||
2496 | static CPUReadMemoryFunc *omap_clkdsp_readfn[] = { | |
2497 | omap_badwidth_read16, | |
2498 | omap_clkdsp_read, | |
2499 | omap_badwidth_read16, | |
2500 | }; | |
2501 | ||
2502 | static CPUWriteMemoryFunc *omap_clkdsp_writefn[] = { | |
2503 | omap_badwidth_write16, | |
2504 | omap_clkdsp_write, | |
2505 | omap_badwidth_write16, | |
2506 | }; | |
2507 | ||
2508 | static void omap_clkm_reset(struct omap_mpu_state_s *s) | |
2509 | { | |
2510 | if (s->wdt && s->wdt->reset) | |
2511 | s->clkm.cold_start = 0x6; | |
2512 | s->clkm.clocking_scheme = 0; | |
2513 | omap_clkm_ckctl_update(s, ~0, 0x3000); | |
2514 | s->clkm.arm_ckctl = 0x3000; | |
d8f699cb | 2515 | omap_clkm_idlect1_update(s, s->clkm.arm_idlect1 ^ 0x0400, 0x0400); |
c3d2689d | 2516 | s->clkm.arm_idlect1 = 0x0400; |
d8f699cb | 2517 | omap_clkm_idlect2_update(s, s->clkm.arm_idlect2 ^ 0x0100, 0x0100); |
c3d2689d AZ |
2518 | s->clkm.arm_idlect2 = 0x0100; |
2519 | s->clkm.arm_ewupct = 0x003f; | |
2520 | s->clkm.arm_rstct1 = 0x0000; | |
2521 | s->clkm.arm_rstct2 = 0x0000; | |
2522 | s->clkm.arm_ckout1 = 0x0015; | |
2523 | s->clkm.dpll1_mode = 0x2002; | |
2524 | omap_clkdsp_idlect1_update(s, s->clkm.dsp_idlect1 ^ 0x0040, 0x0040); | |
2525 | s->clkm.dsp_idlect1 = 0x0040; | |
2526 | omap_clkdsp_idlect2_update(s, ~0, 0x0000); | |
2527 | s->clkm.dsp_idlect2 = 0x0000; | |
2528 | s->clkm.dsp_rstct2 = 0x0000; | |
2529 | } | |
2530 | ||
2531 | static void omap_clkm_init(target_phys_addr_t mpu_base, | |
2532 | target_phys_addr_t dsp_base, struct omap_mpu_state_s *s) | |
2533 | { | |
2534 | int iomemtype[2] = { | |
2535 | cpu_register_io_memory(0, omap_clkm_readfn, omap_clkm_writefn, s), | |
2536 | cpu_register_io_memory(0, omap_clkdsp_readfn, omap_clkdsp_writefn, s), | |
2537 | }; | |
2538 | ||
2539 | s->clkm.mpu_base = mpu_base; | |
2540 | s->clkm.dsp_base = dsp_base; | |
d8f699cb AZ |
2541 | s->clkm.arm_idlect1 = 0x03ff; |
2542 | s->clkm.arm_idlect2 = 0x0100; | |
2543 | s->clkm.dsp_idlect1 = 0x0002; | |
c3d2689d | 2544 | omap_clkm_reset(s); |
d8f699cb | 2545 | s->clkm.cold_start = 0x3a; |
c3d2689d AZ |
2546 | |
2547 | cpu_register_physical_memory(s->clkm.mpu_base, 0x100, iomemtype[0]); | |
2548 | cpu_register_physical_memory(s->clkm.dsp_base, 0x1000, iomemtype[1]); | |
2549 | } | |
2550 | ||
fe71e81a AZ |
2551 | /* MPU I/O */ |
2552 | struct omap_mpuio_s { | |
2553 | target_phys_addr_t base; | |
2554 | qemu_irq irq; | |
2555 | qemu_irq kbd_irq; | |
2556 | qemu_irq *in; | |
2557 | qemu_irq handler[16]; | |
2558 | qemu_irq wakeup; | |
2559 | ||
2560 | uint16_t inputs; | |
2561 | uint16_t outputs; | |
2562 | uint16_t dir; | |
2563 | uint16_t edge; | |
2564 | uint16_t mask; | |
2565 | uint16_t ints; | |
2566 | ||
2567 | uint16_t debounce; | |
2568 | uint16_t latch; | |
2569 | uint8_t event; | |
2570 | ||
2571 | uint8_t buttons[5]; | |
2572 | uint8_t row_latch; | |
2573 | uint8_t cols; | |
2574 | int kbd_mask; | |
2575 | int clk; | |
2576 | }; | |
2577 | ||
2578 | static void omap_mpuio_set(void *opaque, int line, int level) | |
2579 | { | |
2580 | struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque; | |
2581 | uint16_t prev = s->inputs; | |
2582 | ||
2583 | if (level) | |
2584 | s->inputs |= 1 << line; | |
2585 | else | |
2586 | s->inputs &= ~(1 << line); | |
2587 | ||
2588 | if (((1 << line) & s->dir & ~s->mask) && s->clk) { | |
2589 | if ((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) { | |
2590 | s->ints |= 1 << line; | |
2591 | qemu_irq_raise(s->irq); | |
2592 | /* TODO: wakeup */ | |
2593 | } | |
2594 | if ((s->event & (1 << 0)) && /* SET_GPIO_EVENT_MODE */ | |
2595 | (s->event >> 1) == line) /* PIN_SELECT */ | |
2596 | s->latch = s->inputs; | |
2597 | } | |
2598 | } | |
2599 | ||
2600 | static void omap_mpuio_kbd_update(struct omap_mpuio_s *s) | |
2601 | { | |
2602 | int i; | |
2603 | uint8_t *row, rows = 0, cols = ~s->cols; | |
2604 | ||
38a34e1d | 2605 | for (row = s->buttons + 4, i = 1 << 4; i; row --, i >>= 1) |
fe71e81a | 2606 | if (*row & cols) |
38a34e1d | 2607 | rows |= i; |
fe71e81a | 2608 | |
cf6d9118 AZ |
2609 | qemu_set_irq(s->kbd_irq, rows && !s->kbd_mask && s->clk); |
2610 | s->row_latch = ~rows; | |
fe71e81a AZ |
2611 | } |
2612 | ||
2613 | static uint32_t omap_mpuio_read(void *opaque, target_phys_addr_t addr) | |
2614 | { | |
2615 | struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque; | |
cf965d24 | 2616 | int offset = addr & OMAP_MPUI_REG_MASK; |
fe71e81a AZ |
2617 | uint16_t ret; |
2618 | ||
2619 | switch (offset) { | |
2620 | case 0x00: /* INPUT_LATCH */ | |
2621 | return s->inputs; | |
2622 | ||
2623 | case 0x04: /* OUTPUT_REG */ | |
2624 | return s->outputs; | |
2625 | ||
2626 | case 0x08: /* IO_CNTL */ | |
2627 | return s->dir; | |
2628 | ||
2629 | case 0x10: /* KBR_LATCH */ | |
2630 | return s->row_latch; | |
2631 | ||
2632 | case 0x14: /* KBC_REG */ | |
2633 | return s->cols; | |
2634 | ||
2635 | case 0x18: /* GPIO_EVENT_MODE_REG */ | |
2636 | return s->event; | |
2637 | ||
2638 | case 0x1c: /* GPIO_INT_EDGE_REG */ | |
2639 | return s->edge; | |
2640 | ||
2641 | case 0x20: /* KBD_INT */ | |
cf6d9118 | 2642 | return (~s->row_latch & 0x1f) && !s->kbd_mask; |
fe71e81a AZ |
2643 | |
2644 | case 0x24: /* GPIO_INT */ | |
2645 | ret = s->ints; | |
8e129e07 AZ |
2646 | s->ints &= s->mask; |
2647 | if (ret) | |
2648 | qemu_irq_lower(s->irq); | |
fe71e81a AZ |
2649 | return ret; |
2650 | ||
2651 | case 0x28: /* KBD_MASKIT */ | |
2652 | return s->kbd_mask; | |
2653 | ||
2654 | case 0x2c: /* GPIO_MASKIT */ | |
2655 | return s->mask; | |
2656 | ||
2657 | case 0x30: /* GPIO_DEBOUNCING_REG */ | |
2658 | return s->debounce; | |
2659 | ||
2660 | case 0x34: /* GPIO_LATCH_REG */ | |
2661 | return s->latch; | |
2662 | } | |
2663 | ||
2664 | OMAP_BAD_REG(addr); | |
2665 | return 0; | |
2666 | } | |
2667 | ||
2668 | static void omap_mpuio_write(void *opaque, target_phys_addr_t addr, | |
2669 | uint32_t value) | |
2670 | { | |
2671 | struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque; | |
cf965d24 | 2672 | int offset = addr & OMAP_MPUI_REG_MASK; |
fe71e81a AZ |
2673 | uint16_t diff; |
2674 | int ln; | |
2675 | ||
2676 | switch (offset) { | |
2677 | case 0x04: /* OUTPUT_REG */ | |
d8f699cb | 2678 | diff = (s->outputs ^ value) & ~s->dir; |
fe71e81a | 2679 | s->outputs = value; |
fe71e81a AZ |
2680 | while ((ln = ffs(diff))) { |
2681 | ln --; | |
2682 | if (s->handler[ln]) | |
2683 | qemu_set_irq(s->handler[ln], (value >> ln) & 1); | |
2684 | diff &= ~(1 << ln); | |
2685 | } | |
2686 | break; | |
2687 | ||
2688 | case 0x08: /* IO_CNTL */ | |
2689 | diff = s->outputs & (s->dir ^ value); | |
2690 | s->dir = value; | |
2691 | ||
2692 | value = s->outputs & ~s->dir; | |
2693 | while ((ln = ffs(diff))) { | |
2694 | ln --; | |
2695 | if (s->handler[ln]) | |
2696 | qemu_set_irq(s->handler[ln], (value >> ln) & 1); | |
2697 | diff &= ~(1 << ln); | |
2698 | } | |
2699 | break; | |
2700 | ||
2701 | case 0x14: /* KBC_REG */ | |
2702 | s->cols = value; | |
2703 | omap_mpuio_kbd_update(s); | |
2704 | break; | |
2705 | ||
2706 | case 0x18: /* GPIO_EVENT_MODE_REG */ | |
2707 | s->event = value & 0x1f; | |
2708 | break; | |
2709 | ||
2710 | case 0x1c: /* GPIO_INT_EDGE_REG */ | |
2711 | s->edge = value; | |
2712 | break; | |
2713 | ||
2714 | case 0x28: /* KBD_MASKIT */ | |
2715 | s->kbd_mask = value & 1; | |
2716 | omap_mpuio_kbd_update(s); | |
2717 | break; | |
2718 | ||
2719 | case 0x2c: /* GPIO_MASKIT */ | |
2720 | s->mask = value; | |
2721 | break; | |
2722 | ||
2723 | case 0x30: /* GPIO_DEBOUNCING_REG */ | |
2724 | s->debounce = value & 0x1ff; | |
2725 | break; | |
2726 | ||
2727 | case 0x00: /* INPUT_LATCH */ | |
2728 | case 0x10: /* KBR_LATCH */ | |
2729 | case 0x20: /* KBD_INT */ | |
2730 | case 0x24: /* GPIO_INT */ | |
2731 | case 0x34: /* GPIO_LATCH_REG */ | |
2732 | OMAP_RO_REG(addr); | |
2733 | return; | |
2734 | ||
2735 | default: | |
2736 | OMAP_BAD_REG(addr); | |
2737 | return; | |
2738 | } | |
2739 | } | |
2740 | ||
2741 | static CPUReadMemoryFunc *omap_mpuio_readfn[] = { | |
2742 | omap_badwidth_read16, | |
2743 | omap_mpuio_read, | |
2744 | omap_badwidth_read16, | |
2745 | }; | |
2746 | ||
2747 | static CPUWriteMemoryFunc *omap_mpuio_writefn[] = { | |
2748 | omap_badwidth_write16, | |
2749 | omap_mpuio_write, | |
2750 | omap_badwidth_write16, | |
2751 | }; | |
2752 | ||
9596ebb7 | 2753 | static void omap_mpuio_reset(struct omap_mpuio_s *s) |
fe71e81a AZ |
2754 | { |
2755 | s->inputs = 0; | |
2756 | s->outputs = 0; | |
2757 | s->dir = ~0; | |
2758 | s->event = 0; | |
2759 | s->edge = 0; | |
2760 | s->kbd_mask = 0; | |
2761 | s->mask = 0; | |
2762 | s->debounce = 0; | |
2763 | s->latch = 0; | |
2764 | s->ints = 0; | |
2765 | s->row_latch = 0x1f; | |
38a34e1d | 2766 | s->clk = 1; |
fe71e81a AZ |
2767 | } |
2768 | ||
2769 | static void omap_mpuio_onoff(void *opaque, int line, int on) | |
2770 | { | |
2771 | struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque; | |
2772 | ||
2773 | s->clk = on; | |
2774 | if (on) | |
2775 | omap_mpuio_kbd_update(s); | |
2776 | } | |
2777 | ||
2778 | struct omap_mpuio_s *omap_mpuio_init(target_phys_addr_t base, | |
2779 | qemu_irq kbd_int, qemu_irq gpio_int, qemu_irq wakeup, | |
2780 | omap_clk clk) | |
2781 | { | |
2782 | int iomemtype; | |
2783 | struct omap_mpuio_s *s = (struct omap_mpuio_s *) | |
2784 | qemu_mallocz(sizeof(struct omap_mpuio_s)); | |
2785 | ||
2786 | s->base = base; | |
2787 | s->irq = gpio_int; | |
2788 | s->kbd_irq = kbd_int; | |
2789 | s->wakeup = wakeup; | |
2790 | s->in = qemu_allocate_irqs(omap_mpuio_set, s, 16); | |
2791 | omap_mpuio_reset(s); | |
2792 | ||
2793 | iomemtype = cpu_register_io_memory(0, omap_mpuio_readfn, | |
2794 | omap_mpuio_writefn, s); | |
2795 | cpu_register_physical_memory(s->base, 0x800, iomemtype); | |
2796 | ||
2797 | omap_clk_adduser(clk, qemu_allocate_irqs(omap_mpuio_onoff, s, 1)[0]); | |
2798 | ||
2799 | return s; | |
2800 | } | |
2801 | ||
2802 | qemu_irq *omap_mpuio_in_get(struct omap_mpuio_s *s) | |
2803 | { | |
2804 | return s->in; | |
2805 | } | |
2806 | ||
2807 | void omap_mpuio_out_set(struct omap_mpuio_s *s, int line, qemu_irq handler) | |
2808 | { | |
2809 | if (line >= 16 || line < 0) | |
2810 | cpu_abort(cpu_single_env, "%s: No GPIO line %i\n", __FUNCTION__, line); | |
2811 | s->handler[line] = handler; | |
2812 | } | |
2813 | ||
2814 | void omap_mpuio_key(struct omap_mpuio_s *s, int row, int col, int down) | |
2815 | { | |
2816 | if (row >= 5 || row < 0) | |
2817 | cpu_abort(cpu_single_env, "%s: No key %i-%i\n", | |
2818 | __FUNCTION__, col, row); | |
2819 | ||
2820 | if (down) | |
38a34e1d | 2821 | s->buttons[row] |= 1 << col; |
fe71e81a | 2822 | else |
38a34e1d | 2823 | s->buttons[row] &= ~(1 << col); |
fe71e81a AZ |
2824 | |
2825 | omap_mpuio_kbd_update(s); | |
2826 | } | |
2827 | ||
64330148 AZ |
2828 | /* General-Purpose I/O */ |
2829 | struct omap_gpio_s { | |
2830 | target_phys_addr_t base; | |
2831 | qemu_irq irq; | |
2832 | qemu_irq *in; | |
2833 | qemu_irq handler[16]; | |
2834 | ||
2835 | uint16_t inputs; | |
2836 | uint16_t outputs; | |
2837 | uint16_t dir; | |
2838 | uint16_t edge; | |
2839 | uint16_t mask; | |
2840 | uint16_t ints; | |
d8f699cb | 2841 | uint16_t pins; |
64330148 AZ |
2842 | }; |
2843 | ||
2844 | static void omap_gpio_set(void *opaque, int line, int level) | |
2845 | { | |
2846 | struct omap_gpio_s *s = (struct omap_gpio_s *) opaque; | |
2847 | uint16_t prev = s->inputs; | |
2848 | ||
2849 | if (level) | |
2850 | s->inputs |= 1 << line; | |
2851 | else | |
2852 | s->inputs &= ~(1 << line); | |
2853 | ||
2854 | if (((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) & | |
2855 | (1 << line) & s->dir & ~s->mask) { | |
2856 | s->ints |= 1 << line; | |
2857 | qemu_irq_raise(s->irq); | |
2858 | } | |
2859 | } | |
2860 | ||
2861 | static uint32_t omap_gpio_read(void *opaque, target_phys_addr_t addr) | |
2862 | { | |
2863 | struct omap_gpio_s *s = (struct omap_gpio_s *) opaque; | |
cf965d24 | 2864 | int offset = addr & OMAP_MPUI_REG_MASK; |
64330148 AZ |
2865 | |
2866 | switch (offset) { | |
2867 | case 0x00: /* DATA_INPUT */ | |
d8f699cb | 2868 | return s->inputs & s->pins; |
64330148 AZ |
2869 | |
2870 | case 0x04: /* DATA_OUTPUT */ | |
2871 | return s->outputs; | |
2872 | ||
2873 | case 0x08: /* DIRECTION_CONTROL */ | |
2874 | return s->dir; | |
2875 | ||
2876 | case 0x0c: /* INTERRUPT_CONTROL */ | |
2877 | return s->edge; | |
2878 | ||
2879 | case 0x10: /* INTERRUPT_MASK */ | |
2880 | return s->mask; | |
2881 | ||
2882 | case 0x14: /* INTERRUPT_STATUS */ | |
2883 | return s->ints; | |
d8f699cb AZ |
2884 | |
2885 | case 0x18: /* PIN_CONTROL (not in OMAP310) */ | |
2886 | OMAP_BAD_REG(addr); | |
2887 | return s->pins; | |
64330148 AZ |
2888 | } |
2889 | ||
2890 | OMAP_BAD_REG(addr); | |
2891 | return 0; | |
2892 | } | |
2893 | ||
2894 | static void omap_gpio_write(void *opaque, target_phys_addr_t addr, | |
2895 | uint32_t value) | |
2896 | { | |
2897 | struct omap_gpio_s *s = (struct omap_gpio_s *) opaque; | |
cf965d24 | 2898 | int offset = addr & OMAP_MPUI_REG_MASK; |
64330148 AZ |
2899 | uint16_t diff; |
2900 | int ln; | |
2901 | ||
2902 | switch (offset) { | |
2903 | case 0x00: /* DATA_INPUT */ | |
2904 | OMAP_RO_REG(addr); | |
2905 | return; | |
2906 | ||
2907 | case 0x04: /* DATA_OUTPUT */ | |
66450b15 | 2908 | diff = (s->outputs ^ value) & ~s->dir; |
64330148 | 2909 | s->outputs = value; |
64330148 AZ |
2910 | while ((ln = ffs(diff))) { |
2911 | ln --; | |
2912 | if (s->handler[ln]) | |
2913 | qemu_set_irq(s->handler[ln], (value >> ln) & 1); | |
2914 | diff &= ~(1 << ln); | |
2915 | } | |
2916 | break; | |
2917 | ||
2918 | case 0x08: /* DIRECTION_CONTROL */ | |
2919 | diff = s->outputs & (s->dir ^ value); | |
2920 | s->dir = value; | |
2921 | ||
2922 | value = s->outputs & ~s->dir; | |
2923 | while ((ln = ffs(diff))) { | |
2924 | ln --; | |
2925 | if (s->handler[ln]) | |
2926 | qemu_set_irq(s->handler[ln], (value >> ln) & 1); | |
2927 | diff &= ~(1 << ln); | |
2928 | } | |
2929 | break; | |
2930 | ||
2931 | case 0x0c: /* INTERRUPT_CONTROL */ | |
2932 | s->edge = value; | |
2933 | break; | |
2934 | ||
2935 | case 0x10: /* INTERRUPT_MASK */ | |
2936 | s->mask = value; | |
2937 | break; | |
2938 | ||
2939 | case 0x14: /* INTERRUPT_STATUS */ | |
2940 | s->ints &= ~value; | |
2941 | if (!s->ints) | |
2942 | qemu_irq_lower(s->irq); | |
2943 | break; | |
2944 | ||
d8f699cb AZ |
2945 | case 0x18: /* PIN_CONTROL (not in OMAP310 TRM) */ |
2946 | OMAP_BAD_REG(addr); | |
2947 | s->pins = value; | |
2948 | break; | |
2949 | ||
64330148 AZ |
2950 | default: |
2951 | OMAP_BAD_REG(addr); | |
2952 | return; | |
2953 | } | |
2954 | } | |
2955 | ||
3efda49d | 2956 | /* *Some* sources say the memory region is 32-bit. */ |
64330148 | 2957 | static CPUReadMemoryFunc *omap_gpio_readfn[] = { |
3efda49d | 2958 | omap_badwidth_read16, |
64330148 | 2959 | omap_gpio_read, |
3efda49d | 2960 | omap_badwidth_read16, |
64330148 AZ |
2961 | }; |
2962 | ||
2963 | static CPUWriteMemoryFunc *omap_gpio_writefn[] = { | |
3efda49d | 2964 | omap_badwidth_write16, |
64330148 | 2965 | omap_gpio_write, |
3efda49d | 2966 | omap_badwidth_write16, |
64330148 AZ |
2967 | }; |
2968 | ||
9596ebb7 | 2969 | static void omap_gpio_reset(struct omap_gpio_s *s) |
64330148 AZ |
2970 | { |
2971 | s->inputs = 0; | |
2972 | s->outputs = ~0; | |
2973 | s->dir = ~0; | |
2974 | s->edge = ~0; | |
2975 | s->mask = ~0; | |
2976 | s->ints = 0; | |
d8f699cb | 2977 | s->pins = ~0; |
64330148 AZ |
2978 | } |
2979 | ||
2980 | struct omap_gpio_s *omap_gpio_init(target_phys_addr_t base, | |
2981 | qemu_irq irq, omap_clk clk) | |
2982 | { | |
2983 | int iomemtype; | |
2984 | struct omap_gpio_s *s = (struct omap_gpio_s *) | |
2985 | qemu_mallocz(sizeof(struct omap_gpio_s)); | |
2986 | ||
2987 | s->base = base; | |
2988 | s->irq = irq; | |
2989 | s->in = qemu_allocate_irqs(omap_gpio_set, s, 16); | |
2990 | omap_gpio_reset(s); | |
2991 | ||
2992 | iomemtype = cpu_register_io_memory(0, omap_gpio_readfn, | |
2993 | omap_gpio_writefn, s); | |
2994 | cpu_register_physical_memory(s->base, 0x1000, iomemtype); | |
2995 | ||
2996 | return s; | |
2997 | } | |
2998 | ||
2999 | qemu_irq *omap_gpio_in_get(struct omap_gpio_s *s) | |
3000 | { | |
3001 | return s->in; | |
3002 | } | |
3003 | ||
3004 | void omap_gpio_out_set(struct omap_gpio_s *s, int line, qemu_irq handler) | |
3005 | { | |
3006 | if (line >= 16 || line < 0) | |
3007 | cpu_abort(cpu_single_env, "%s: No GPIO line %i\n", __FUNCTION__, line); | |
3008 | s->handler[line] = handler; | |
3009 | } | |
3010 | ||
d951f6ff AZ |
3011 | /* MicroWire Interface */ |
3012 | struct omap_uwire_s { | |
3013 | target_phys_addr_t base; | |
3014 | qemu_irq txirq; | |
3015 | qemu_irq rxirq; | |
3016 | qemu_irq txdrq; | |
3017 | ||
3018 | uint16_t txbuf; | |
3019 | uint16_t rxbuf; | |
3020 | uint16_t control; | |
3021 | uint16_t setup[5]; | |
3022 | ||
3023 | struct uwire_slave_s *chip[4]; | |
3024 | }; | |
3025 | ||
3026 | static void omap_uwire_transfer_start(struct omap_uwire_s *s) | |
3027 | { | |
3028 | int chipselect = (s->control >> 10) & 3; /* INDEX */ | |
3029 | struct uwire_slave_s *slave = s->chip[chipselect]; | |
3030 | ||
3031 | if ((s->control >> 5) & 0x1f) { /* NB_BITS_WR */ | |
3032 | if (s->control & (1 << 12)) /* CS_CMD */ | |
3033 | if (slave && slave->send) | |
3034 | slave->send(slave->opaque, | |
3035 | s->txbuf >> (16 - ((s->control >> 5) & 0x1f))); | |
3036 | s->control &= ~(1 << 14); /* CSRB */ | |
3037 | /* TODO: depending on s->setup[4] bits [1:0] assert an IRQ or | |
3038 | * a DRQ. When is the level IRQ supposed to be reset? */ | |
3039 | } | |
3040 | ||
3041 | if ((s->control >> 0) & 0x1f) { /* NB_BITS_RD */ | |
3042 | if (s->control & (1 << 12)) /* CS_CMD */ | |
3043 | if (slave && slave->receive) | |
3044 | s->rxbuf = slave->receive(slave->opaque); | |
3045 | s->control |= 1 << 15; /* RDRB */ | |
3046 | /* TODO: depending on s->setup[4] bits [1:0] assert an IRQ or | |
3047 | * a DRQ. When is the level IRQ supposed to be reset? */ | |
3048 | } | |
3049 | } | |
3050 | ||
3051 | static uint32_t omap_uwire_read(void *opaque, target_phys_addr_t addr) | |
3052 | { | |
3053 | struct omap_uwire_s *s = (struct omap_uwire_s *) opaque; | |
cf965d24 | 3054 | int offset = addr & OMAP_MPUI_REG_MASK; |
d951f6ff AZ |
3055 | |
3056 | switch (offset) { | |
3057 | case 0x00: /* RDR */ | |
3058 | s->control &= ~(1 << 15); /* RDRB */ | |
3059 | return s->rxbuf; | |
3060 | ||
3061 | case 0x04: /* CSR */ | |
3062 | return s->control; | |
3063 | ||
3064 | case 0x08: /* SR1 */ | |
3065 | return s->setup[0]; | |
3066 | case 0x0c: /* SR2 */ | |
3067 | return s->setup[1]; | |
3068 | case 0x10: /* SR3 */ | |
3069 | return s->setup[2]; | |
3070 | case 0x14: /* SR4 */ | |
3071 | return s->setup[3]; | |
3072 | case 0x18: /* SR5 */ | |
3073 | return s->setup[4]; | |
3074 | } | |
3075 | ||
3076 | OMAP_BAD_REG(addr); | |
3077 | return 0; | |
3078 | } | |
3079 | ||
3080 | static void omap_uwire_write(void *opaque, target_phys_addr_t addr, | |
3081 | uint32_t value) | |
3082 | { | |
3083 | struct omap_uwire_s *s = (struct omap_uwire_s *) opaque; | |
cf965d24 | 3084 | int offset = addr & OMAP_MPUI_REG_MASK; |
d951f6ff AZ |
3085 | |
3086 | switch (offset) { | |
3087 | case 0x00: /* TDR */ | |
3088 | s->txbuf = value; /* TD */ | |
d951f6ff AZ |
3089 | if ((s->setup[4] & (1 << 2)) && /* AUTO_TX_EN */ |
3090 | ((s->setup[4] & (1 << 3)) || /* CS_TOGGLE_TX_EN */ | |
cf965d24 AZ |
3091 | (s->control & (1 << 12)))) { /* CS_CMD */ |
3092 | s->control |= 1 << 14; /* CSRB */ | |
d951f6ff | 3093 | omap_uwire_transfer_start(s); |
cf965d24 | 3094 | } |
d951f6ff AZ |
3095 | break; |
3096 | ||
3097 | case 0x04: /* CSR */ | |
3098 | s->control = value & 0x1fff; | |
3099 | if (value & (1 << 13)) /* START */ | |
3100 | omap_uwire_transfer_start(s); | |
3101 | break; | |
3102 | ||
3103 | case 0x08: /* SR1 */ | |
3104 | s->setup[0] = value & 0x003f; | |
3105 | break; | |
3106 | ||
3107 | case 0x0c: /* SR2 */ | |
3108 | s->setup[1] = value & 0x0fc0; | |
3109 | break; | |
3110 | ||
3111 | case 0x10: /* SR3 */ | |
3112 | s->setup[2] = value & 0x0003; | |
3113 | break; | |
3114 | ||
3115 | case 0x14: /* SR4 */ | |
3116 | s->setup[3] = value & 0x0001; | |
3117 | break; | |
3118 | ||
3119 | case 0x18: /* SR5 */ | |
3120 | s->setup[4] = value & 0x000f; | |
3121 | break; | |
3122 | ||
3123 | default: | |
3124 | OMAP_BAD_REG(addr); | |
3125 | return; | |
3126 | } | |
3127 | } | |
3128 | ||
3129 | static CPUReadMemoryFunc *omap_uwire_readfn[] = { | |
3130 | omap_badwidth_read16, | |
3131 | omap_uwire_read, | |
3132 | omap_badwidth_read16, | |
3133 | }; | |
3134 | ||
3135 | static CPUWriteMemoryFunc *omap_uwire_writefn[] = { | |
3136 | omap_badwidth_write16, | |
3137 | omap_uwire_write, | |
3138 | omap_badwidth_write16, | |
3139 | }; | |
3140 | ||
9596ebb7 | 3141 | static void omap_uwire_reset(struct omap_uwire_s *s) |
d951f6ff | 3142 | { |
66450b15 | 3143 | s->control = 0; |
d951f6ff AZ |
3144 | s->setup[0] = 0; |
3145 | s->setup[1] = 0; | |
3146 | s->setup[2] = 0; | |
3147 | s->setup[3] = 0; | |
3148 | s->setup[4] = 0; | |
3149 | } | |
3150 | ||
3151 | struct omap_uwire_s *omap_uwire_init(target_phys_addr_t base, | |
3152 | qemu_irq *irq, qemu_irq dma, omap_clk clk) | |
3153 | { | |
3154 | int iomemtype; | |
3155 | struct omap_uwire_s *s = (struct omap_uwire_s *) | |
3156 | qemu_mallocz(sizeof(struct omap_uwire_s)); | |
3157 | ||
3158 | s->base = base; | |
3159 | s->txirq = irq[0]; | |
3160 | s->rxirq = irq[1]; | |
3161 | s->txdrq = dma; | |
3162 | omap_uwire_reset(s); | |
3163 | ||
3164 | iomemtype = cpu_register_io_memory(0, omap_uwire_readfn, | |
3165 | omap_uwire_writefn, s); | |
3166 | cpu_register_physical_memory(s->base, 0x800, iomemtype); | |
3167 | ||
3168 | return s; | |
3169 | } | |
3170 | ||
3171 | void omap_uwire_attach(struct omap_uwire_s *s, | |
3172 | struct uwire_slave_s *slave, int chipselect) | |
3173 | { | |
827df9f3 AZ |
3174 | if (chipselect < 0 || chipselect > 3) { |
3175 | fprintf(stderr, "%s: Bad chipselect %i\n", __FUNCTION__, chipselect); | |
3176 | exit(-1); | |
3177 | } | |
d951f6ff AZ |
3178 | |
3179 | s->chip[chipselect] = slave; | |
3180 | } | |
3181 | ||
66450b15 | 3182 | /* Pseudonoise Pulse-Width Light Modulator */ |
9596ebb7 | 3183 | static void omap_pwl_update(struct omap_mpu_state_s *s) |
66450b15 AZ |
3184 | { |
3185 | int output = (s->pwl.clk && s->pwl.enable) ? s->pwl.level : 0; | |
3186 | ||
3187 | if (output != s->pwl.output) { | |
3188 | s->pwl.output = output; | |
3189 | printf("%s: Backlight now at %i/256\n", __FUNCTION__, output); | |
3190 | } | |
3191 | } | |
3192 | ||
3193 | static uint32_t omap_pwl_read(void *opaque, target_phys_addr_t addr) | |
3194 | { | |
3195 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
cf965d24 | 3196 | int offset = addr & OMAP_MPUI_REG_MASK; |
66450b15 AZ |
3197 | |
3198 | switch (offset) { | |
3199 | case 0x00: /* PWL_LEVEL */ | |
3200 | return s->pwl.level; | |
3201 | case 0x04: /* PWL_CTRL */ | |
3202 | return s->pwl.enable; | |
3203 | } | |
3204 | OMAP_BAD_REG(addr); | |
3205 | return 0; | |
3206 | } | |
3207 | ||
3208 | static void omap_pwl_write(void *opaque, target_phys_addr_t addr, | |
3209 | uint32_t value) | |
3210 | { | |
3211 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
cf965d24 | 3212 | int offset = addr & OMAP_MPUI_REG_MASK; |
66450b15 AZ |
3213 | |
3214 | switch (offset) { | |
3215 | case 0x00: /* PWL_LEVEL */ | |
3216 | s->pwl.level = value; | |
3217 | omap_pwl_update(s); | |
3218 | break; | |
3219 | case 0x04: /* PWL_CTRL */ | |
3220 | s->pwl.enable = value & 1; | |
3221 | omap_pwl_update(s); | |
3222 | break; | |
3223 | default: | |
3224 | OMAP_BAD_REG(addr); | |
3225 | return; | |
3226 | } | |
3227 | } | |
3228 | ||
3229 | static CPUReadMemoryFunc *omap_pwl_readfn[] = { | |
02645926 | 3230 | omap_pwl_read, |
66450b15 AZ |
3231 | omap_badwidth_read8, |
3232 | omap_badwidth_read8, | |
66450b15 AZ |
3233 | }; |
3234 | ||
3235 | static CPUWriteMemoryFunc *omap_pwl_writefn[] = { | |
02645926 | 3236 | omap_pwl_write, |
66450b15 AZ |
3237 | omap_badwidth_write8, |
3238 | omap_badwidth_write8, | |
66450b15 AZ |
3239 | }; |
3240 | ||
9596ebb7 | 3241 | static void omap_pwl_reset(struct omap_mpu_state_s *s) |
66450b15 AZ |
3242 | { |
3243 | s->pwl.output = 0; | |
3244 | s->pwl.level = 0; | |
3245 | s->pwl.enable = 0; | |
3246 | s->pwl.clk = 1; | |
3247 | omap_pwl_update(s); | |
3248 | } | |
3249 | ||
3250 | static void omap_pwl_clk_update(void *opaque, int line, int on) | |
3251 | { | |
3252 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
3253 | ||
3254 | s->pwl.clk = on; | |
3255 | omap_pwl_update(s); | |
3256 | } | |
3257 | ||
3258 | static void omap_pwl_init(target_phys_addr_t base, struct omap_mpu_state_s *s, | |
3259 | omap_clk clk) | |
3260 | { | |
3261 | int iomemtype; | |
3262 | ||
66450b15 AZ |
3263 | omap_pwl_reset(s); |
3264 | ||
3265 | iomemtype = cpu_register_io_memory(0, omap_pwl_readfn, | |
3266 | omap_pwl_writefn, s); | |
b854bc19 | 3267 | cpu_register_physical_memory(base, 0x800, iomemtype); |
66450b15 AZ |
3268 | |
3269 | omap_clk_adduser(clk, qemu_allocate_irqs(omap_pwl_clk_update, s, 1)[0]); | |
3270 | } | |
3271 | ||
f34c417b AZ |
3272 | /* Pulse-Width Tone module */ |
3273 | static uint32_t omap_pwt_read(void *opaque, target_phys_addr_t addr) | |
3274 | { | |
3275 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
cf965d24 | 3276 | int offset = addr & OMAP_MPUI_REG_MASK; |
f34c417b AZ |
3277 | |
3278 | switch (offset) { | |
3279 | case 0x00: /* FRC */ | |
3280 | return s->pwt.frc; | |
3281 | case 0x04: /* VCR */ | |
3282 | return s->pwt.vrc; | |
3283 | case 0x08: /* GCR */ | |
3284 | return s->pwt.gcr; | |
3285 | } | |
3286 | OMAP_BAD_REG(addr); | |
3287 | return 0; | |
3288 | } | |
3289 | ||
3290 | static void omap_pwt_write(void *opaque, target_phys_addr_t addr, | |
3291 | uint32_t value) | |
3292 | { | |
3293 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; | |
cf965d24 | 3294 | int offset = addr & OMAP_MPUI_REG_MASK; |
f34c417b AZ |
3295 | |
3296 | switch (offset) { | |
3297 | case 0x00: /* FRC */ | |
3298 | s->pwt.frc = value & 0x3f; | |
3299 | break; | |
3300 | case 0x04: /* VRC */ | |
3301 | if ((value ^ s->pwt.vrc) & 1) { | |
3302 | if (value & 1) | |
3303 | printf("%s: %iHz buzz on\n", __FUNCTION__, (int) | |
3304 | /* 1.5 MHz from a 12-MHz or 13-MHz PWT_CLK */ | |
3305 | ((omap_clk_getrate(s->pwt.clk) >> 3) / | |
3306 | /* Pre-multiplexer divider */ | |
3307 | ((s->pwt.gcr & 2) ? 1 : 154) / | |
3308 | /* Octave multiplexer */ | |
3309 | (2 << (value & 3)) * | |
3310 | /* 101/107 divider */ | |
3311 | ((value & (1 << 2)) ? 101 : 107) * | |
3312 | /* 49/55 divider */ | |
3313 | ((value & (1 << 3)) ? 49 : 55) * | |
3314 | /* 50/63 divider */ | |
3315 | ((value & (1 << 4)) ? 50 : 63) * | |
3316 | /* 80/127 divider */ | |
3317 | ((value & (1 << 5)) ? 80 : 127) / | |
3318 | (107 * 55 * 63 * 127))); | |
3319 | else | |
3320 | printf("%s: silence!\n", __FUNCTION__); | |
3321 | } | |
3322 | s->pwt.vrc = value & 0x7f; | |
3323 | break; | |
3324 | case 0x08: /* GCR */ | |
3325 | s->pwt.gcr = value & 3; | |
3326 | break; | |
3327 | default: | |
3328 | OMAP_BAD_REG(addr); | |
3329 | return; | |
3330 | } | |
3331 | } | |
3332 | ||
3333 | static CPUReadMemoryFunc *omap_pwt_readfn[] = { | |
02645926 | 3334 | omap_pwt_read, |
f34c417b AZ |
3335 | omap_badwidth_read8, |
3336 | omap_badwidth_read8, | |
f34c417b AZ |
3337 | }; |
3338 | ||
3339 | static CPUWriteMemoryFunc *omap_pwt_writefn[] = { | |
02645926 | 3340 | omap_pwt_write, |
f34c417b AZ |
3341 | omap_badwidth_write8, |
3342 | omap_badwidth_write8, | |
f34c417b AZ |
3343 | }; |
3344 | ||
9596ebb7 | 3345 | static void omap_pwt_reset(struct omap_mpu_state_s *s) |
f34c417b AZ |
3346 | { |
3347 | s->pwt.frc = 0; | |
3348 | s->pwt.vrc = 0; | |
3349 | s->pwt.gcr = 0; | |
3350 | } | |
3351 | ||
3352 | static void omap_pwt_init(target_phys_addr_t base, struct omap_mpu_state_s *s, | |
3353 | omap_clk clk) | |
3354 | { | |
3355 | int iomemtype; | |
3356 | ||
f34c417b AZ |
3357 | s->pwt.clk = clk; |
3358 | omap_pwt_reset(s); | |
3359 | ||
3360 | iomemtype = cpu_register_io_memory(0, omap_pwt_readfn, | |
3361 | omap_pwt_writefn, s); | |
b854bc19 | 3362 | cpu_register_physical_memory(base, 0x800, iomemtype); |
f34c417b AZ |
3363 | } |
3364 | ||
5c1c390f AZ |
3365 | /* Real-time Clock module */ |
3366 | struct omap_rtc_s { | |
3367 | target_phys_addr_t base; | |
3368 | qemu_irq irq; | |
3369 | qemu_irq alarm; | |
3370 | QEMUTimer *clk; | |
3371 | ||
3372 | uint8_t interrupts; | |
3373 | uint8_t status; | |
3374 | int16_t comp_reg; | |
3375 | int running; | |
3376 | int pm_am; | |
3377 | int auto_comp; | |
3378 | int round; | |
5c1c390f AZ |
3379 | struct tm alarm_tm; |
3380 | time_t alarm_ti; | |
3381 | ||
3382 | struct tm current_tm; | |
3383 | time_t ti; | |
3384 | uint64_t tick; | |
3385 | }; | |
3386 | ||
3387 | static void omap_rtc_interrupts_update(struct omap_rtc_s *s) | |
3388 | { | |
106627d0 | 3389 | /* s->alarm is level-triggered */ |
5c1c390f AZ |
3390 | qemu_set_irq(s->alarm, (s->status >> 6) & 1); |
3391 | } | |
3392 | ||
3393 | static void omap_rtc_alarm_update(struct omap_rtc_s *s) | |
3394 | { | |
3395 | s->alarm_ti = mktime(&s->alarm_tm); | |
3396 | if (s->alarm_ti == -1) | |
3397 | printf("%s: conversion failed\n", __FUNCTION__); | |
3398 | } | |
3399 | ||
3400 | static inline uint8_t omap_rtc_bcd(int num) | |
3401 | { | |
3402 | return ((num / 10) << 4) | (num % 10); | |
3403 | } | |
3404 | ||
3405 | static inline int omap_rtc_bin(uint8_t num) | |
3406 | { | |
3407 | return (num & 15) + 10 * (num >> 4); | |
3408 | } | |
3409 | ||
3410 | static uint32_t omap_rtc_read(void *opaque, target_phys_addr_t addr) | |
3411 | { | |
3412 | struct omap_rtc_s *s = (struct omap_rtc_s *) opaque; | |
cf965d24 | 3413 | int offset = addr & OMAP_MPUI_REG_MASK; |
5c1c390f AZ |
3414 | uint8_t i; |
3415 | ||
3416 | switch (offset) { | |
3417 | case 0x00: /* SECONDS_REG */ | |
3418 | return omap_rtc_bcd(s->current_tm.tm_sec); | |
3419 | ||
3420 | case 0x04: /* MINUTES_REG */ | |
3421 | return omap_rtc_bcd(s->current_tm.tm_min); | |
3422 | ||
3423 | case 0x08: /* HOURS_REG */ | |
3424 | if (s->pm_am) | |
3425 | return ((s->current_tm.tm_hour > 11) << 7) | | |
3426 | omap_rtc_bcd(((s->current_tm.tm_hour - 1) % 12) + 1); | |
3427 | else | |
3428 | return omap_rtc_bcd(s->current_tm.tm_hour); | |
3429 | ||
3430 | case 0x0c: /* DAYS_REG */ | |
3431 | return omap_rtc_bcd(s->current_tm.tm_mday); | |
3432 | ||
3433 | case 0x10: /* MONTHS_REG */ | |
3434 | return omap_rtc_bcd(s->current_tm.tm_mon + 1); | |
3435 | ||
3436 | case 0x14: /* YEARS_REG */ | |
3437 | return omap_rtc_bcd(s->current_tm.tm_year % 100); | |
3438 | ||
3439 | case 0x18: /* WEEK_REG */ | |
3440 | return s->current_tm.tm_wday; | |
3441 | ||
3442 | case 0x20: /* ALARM_SECONDS_REG */ | |
3443 | return omap_rtc_bcd(s->alarm_tm.tm_sec); | |
3444 | ||
3445 | case 0x24: /* ALARM_MINUTES_REG */ | |
3446 | return omap_rtc_bcd(s->alarm_tm.tm_min); | |
3447 | ||
3448 | case 0x28: /* ALARM_HOURS_REG */ | |
3449 | if (s->pm_am) | |
3450 | return ((s->alarm_tm.tm_hour > 11) << 7) | | |
3451 | omap_rtc_bcd(((s->alarm_tm.tm_hour - 1) % 12) + 1); | |
3452 | else | |
3453 | return omap_rtc_bcd(s->alarm_tm.tm_hour); | |
3454 | ||
3455 | case 0x2c: /* ALARM_DAYS_REG */ | |
3456 | return omap_rtc_bcd(s->alarm_tm.tm_mday); | |
3457 | ||
3458 | case 0x30: /* ALARM_MONTHS_REG */ | |
3459 | return omap_rtc_bcd(s->alarm_tm.tm_mon + 1); | |
3460 | ||
3461 | case 0x34: /* ALARM_YEARS_REG */ | |
3462 | return omap_rtc_bcd(s->alarm_tm.tm_year % 100); | |
3463 | ||
3464 | case 0x40: /* RTC_CTRL_REG */ | |
3465 | return (s->pm_am << 3) | (s->auto_comp << 2) | | |
3466 | (s->round << 1) | s->running; | |
3467 | ||
3468 | case 0x44: /* RTC_STATUS_REG */ | |
3469 | i = s->status; | |
3470 | s->status &= ~0x3d; | |
3471 | return i; | |
3472 | ||
3473 | case 0x48: /* RTC_INTERRUPTS_REG */ | |
3474 | return s->interrupts; | |
3475 | ||
3476 | case 0x4c: /* RTC_COMP_LSB_REG */ | |
3477 | return ((uint16_t) s->comp_reg) & 0xff; | |
3478 | ||
3479 | case 0x50: /* RTC_COMP_MSB_REG */ | |
3480 | return ((uint16_t) s->comp_reg) >> 8; | |
3481 | } | |
3482 | ||
3483 | OMAP_BAD_REG(addr); | |
3484 | return 0; | |
3485 | } | |
3486 | ||
3487 | static void omap_rtc_write(void *opaque, target_phys_addr_t addr, | |
3488 | uint32_t value) | |
3489 | { | |
3490 | struct omap_rtc_s *s = (struct omap_rtc_s *) opaque; | |
cf965d24 | 3491 | int offset = addr & OMAP_MPUI_REG_MASK; |
5c1c390f AZ |
3492 | struct tm new_tm; |
3493 | time_t ti[2]; | |
3494 | ||
3495 | switch (offset) { | |
3496 | case 0x00: /* SECONDS_REG */ | |
eb38c52c | 3497 | #ifdef ALMDEBUG |
5c1c390f AZ |
3498 | printf("RTC SEC_REG <-- %02x\n", value); |
3499 | #endif | |
3500 | s->ti -= s->current_tm.tm_sec; | |
3501 | s->ti += omap_rtc_bin(value); | |
3502 | return; | |
3503 | ||
3504 | case 0x04: /* MINUTES_REG */ | |
eb38c52c | 3505 | #ifdef ALMDEBUG |
5c1c390f AZ |
3506 | printf("RTC MIN_REG <-- %02x\n", value); |
3507 | #endif | |
3508 | s->ti -= s->current_tm.tm_min * 60; | |
3509 | s->ti += omap_rtc_bin(value) * 60; | |
3510 | return; | |
3511 | ||
3512 | case 0x08: /* HOURS_REG */ | |
eb38c52c | 3513 | #ifdef ALMDEBUG |
5c1c390f AZ |
3514 | printf("RTC HRS_REG <-- %02x\n", value); |
3515 | #endif | |
3516 | s->ti -= s->current_tm.tm_hour * 3600; | |
3517 | if (s->pm_am) { | |
3518 | s->ti += (omap_rtc_bin(value & 0x3f) & 12) * 3600; | |
3519 | s->ti += ((value >> 7) & 1) * 43200; | |
3520 | } else | |
3521 | s->ti += omap_rtc_bin(value & 0x3f) * 3600; | |
3522 | return; | |
3523 | ||
3524 | case 0x0c: /* DAYS_REG */ | |
eb38c52c | 3525 | #ifdef ALMDEBUG |
5c1c390f AZ |
3526 | printf("RTC DAY_REG <-- %02x\n", value); |
3527 | #endif | |
3528 | s->ti -= s->current_tm.tm_mday * 86400; | |
3529 | s->ti += omap_rtc_bin(value) * 86400; | |
3530 | return; | |
3531 | ||
3532 | case 0x10: /* MONTHS_REG */ | |
eb38c52c | 3533 | #ifdef ALMDEBUG |
5c1c390f AZ |
3534 | printf("RTC MTH_REG <-- %02x\n", value); |
3535 | #endif | |
3536 | memcpy(&new_tm, &s->current_tm, sizeof(new_tm)); | |
3537 | new_tm.tm_mon = omap_rtc_bin(value); | |
3538 | ti[0] = mktime(&s->current_tm); | |
3539 | ti[1] = mktime(&new_tm); | |
3540 | ||
3541 | if (ti[0] != -1 && ti[1] != -1) { | |
3542 | s->ti -= ti[0]; | |
3543 | s->ti += ti[1]; | |
3544 | } else { | |
3545 | /* A less accurate version */ | |
3546 | s->ti -= s->current_tm.tm_mon * 2592000; | |
3547 | s->ti += omap_rtc_bin(value) * 2592000; | |
3548 | } | |
3549 | return; | |
3550 | ||
3551 | case 0x14: /* YEARS_REG */ | |
eb38c52c | 3552 | #ifdef ALMDEBUG |
5c1c390f AZ |
3553 | printf("RTC YRS_REG <-- %02x\n", value); |
3554 | #endif | |
3555 | memcpy(&new_tm, &s->current_tm, sizeof(new_tm)); | |
3556 | new_tm.tm_year += omap_rtc_bin(value) - (new_tm.tm_year % 100); | |
3557 | ti[0] = mktime(&s->current_tm); | |
3558 | ti[1] = mktime(&new_tm); | |
3559 | ||
3560 | if (ti[0] != -1 && ti[1] != -1) { | |
3561 | s->ti -= ti[0]; | |
3562 | s->ti += ti[1]; | |
3563 | } else { | |
3564 | /* A less accurate version */ | |
3565 | s->ti -= (s->current_tm.tm_year % 100) * 31536000; | |
3566 | s->ti += omap_rtc_bin(value) * 31536000; | |
3567 | } | |
3568 | return; | |
3569 | ||
3570 | case 0x18: /* WEEK_REG */ | |
3571 | return; /* Ignored */ | |
3572 | ||
3573 | case 0x20: /* ALARM_SECONDS_REG */ | |
eb38c52c | 3574 | #ifdef ALMDEBUG |
5c1c390f AZ |
3575 | printf("ALM SEC_REG <-- %02x\n", value); |
3576 | #endif | |
3577 | s->alarm_tm.tm_sec = omap_rtc_bin(value); | |
3578 | omap_rtc_alarm_update(s); | |
3579 | return; | |
3580 | ||
3581 | case 0x24: /* ALARM_MINUTES_REG */ | |
eb38c52c | 3582 | #ifdef ALMDEBUG |
5c1c390f AZ |
3583 | printf("ALM MIN_REG <-- %02x\n", value); |
3584 | #endif | |
3585 | s->alarm_tm.tm_min = omap_rtc_bin(value); | |
3586 | omap_rtc_alarm_update(s); | |
3587 | return; | |
3588 | ||
3589 | case 0x28: /* ALARM_HOURS_REG */ | |
eb38c52c | 3590 | #ifdef ALMDEBUG |
5c1c390f AZ |
3591 | printf("ALM HRS_REG <-- %02x\n", value); |
3592 | #endif | |
3593 | if (s->pm_am) | |
3594 | s->alarm_tm.tm_hour = | |
3595 | ((omap_rtc_bin(value & 0x3f)) % 12) + | |
3596 | ((value >> 7) & 1) * 12; | |
3597 | else | |
3598 | s->alarm_tm.tm_hour = omap_rtc_bin(value); | |
3599 | omap_rtc_alarm_update(s); | |
3600 | return; | |
3601 | ||
3602 | case 0x2c: /* ALARM_DAYS_REG */ | |
eb38c52c | 3603 | #ifdef ALMDEBUG |
5c1c390f AZ |
3604 | printf("ALM DAY_REG <-- %02x\n", value); |
3605 | #endif | |
3606 | s->alarm_tm.tm_mday = omap_rtc_bin(value); | |
3607 | omap_rtc_alarm_update(s); | |
3608 | return; | |
3609 | ||
3610 | case 0x30: /* ALARM_MONTHS_REG */ | |
eb38c52c | 3611 | #ifdef ALMDEBUG |
5c1c390f AZ |
3612 | printf("ALM MON_REG <-- %02x\n", value); |
3613 | #endif | |
3614 | s->alarm_tm.tm_mon = omap_rtc_bin(value); | |
3615 | omap_rtc_alarm_update(s); | |
3616 | return; | |
3617 | ||
3618 | case 0x34: /* ALARM_YEARS_REG */ | |
eb38c52c | 3619 | #ifdef ALMDEBUG |
5c1c390f AZ |
3620 | printf("ALM YRS_REG <-- %02x\n", value); |
3621 | #endif | |
3622 | s->alarm_tm.tm_year = omap_rtc_bin(value); | |
3623 | omap_rtc_alarm_update(s); | |
3624 | return; | |
3625 | ||
3626 | case 0x40: /* RTC_CTRL_REG */ | |
eb38c52c | 3627 | #ifdef ALMDEBUG |
5c1c390f AZ |
3628 | printf("RTC CONTROL <-- %02x\n", value); |
3629 | #endif | |
3630 | s->pm_am = (value >> 3) & 1; | |
3631 | s->auto_comp = (value >> 2) & 1; | |
3632 | s->round = (value >> 1) & 1; | |
3633 | s->running = value & 1; | |
3634 | s->status &= 0xfd; | |
3635 | s->status |= s->running << 1; | |
3636 | return; | |
3637 | ||
3638 | case 0x44: /* RTC_STATUS_REG */ | |
eb38c52c | 3639 | #ifdef ALMDEBUG |
5c1c390f AZ |
3640 | printf("RTC STATUSL <-- %02x\n", value); |
3641 | #endif | |
3642 | s->status &= ~((value & 0xc0) ^ 0x80); | |
3643 | omap_rtc_interrupts_update(s); | |
3644 | return; | |
3645 | ||
3646 | case 0x48: /* RTC_INTERRUPTS_REG */ | |
eb38c52c | 3647 | #ifdef ALMDEBUG |
5c1c390f AZ |
3648 | printf("RTC INTRS <-- %02x\n", value); |
3649 | #endif | |
3650 | s->interrupts = value; | |
3651 | return; | |
3652 | ||
3653 | case 0x4c: /* RTC_COMP_LSB_REG */ | |
eb38c52c | 3654 | #ifdef ALMDEBUG |
5c1c390f AZ |
3655 | printf("RTC COMPLSB <-- %02x\n", value); |
3656 | #endif | |
3657 | s->comp_reg &= 0xff00; | |
3658 | s->comp_reg |= 0x00ff & value; | |
3659 | return; | |
3660 | ||
3661 | case 0x50: /* RTC_COMP_MSB_REG */ | |
eb38c52c | 3662 | #ifdef ALMDEBUG |
5c1c390f AZ |
3663 | printf("RTC COMPMSB <-- %02x\n", value); |
3664 | #endif | |
3665 | s->comp_reg &= 0x00ff; | |
3666 | s->comp_reg |= 0xff00 & (value << 8); | |
3667 | return; | |
3668 | ||
3669 | default: | |
3670 | OMAP_BAD_REG(addr); | |
3671 | return; | |
3672 | } | |
3673 | } | |
3674 | ||
3675 | static CPUReadMemoryFunc *omap_rtc_readfn[] = { | |
3676 | omap_rtc_read, | |
3677 | omap_badwidth_read8, | |
3678 | omap_badwidth_read8, | |
3679 | }; | |
3680 | ||
3681 | static CPUWriteMemoryFunc *omap_rtc_writefn[] = { | |
3682 | omap_rtc_write, | |
3683 | omap_badwidth_write8, | |
3684 | omap_badwidth_write8, | |
3685 | }; | |
3686 | ||
3687 | static void omap_rtc_tick(void *opaque) | |
3688 | { | |
3689 | struct omap_rtc_s *s = opaque; | |
3690 | ||
3691 | if (s->round) { | |
3692 | /* Round to nearest full minute. */ | |
3693 | if (s->current_tm.tm_sec < 30) | |
3694 | s->ti -= s->current_tm.tm_sec; | |
3695 | else | |
3696 | s->ti += 60 - s->current_tm.tm_sec; | |
3697 | ||
3698 | s->round = 0; | |
3699 | } | |
3700 | ||
f6503059 | 3701 | memcpy(&s->current_tm, localtime(&s->ti), sizeof(s->current_tm)); |
5c1c390f AZ |
3702 | |
3703 | if ((s->interrupts & 0x08) && s->ti == s->alarm_ti) { | |
3704 | s->status |= 0x40; | |
3705 | omap_rtc_interrupts_update(s); | |
3706 | } | |
3707 | ||
3708 | if (s->interrupts & 0x04) | |
3709 | switch (s->interrupts & 3) { | |
3710 | case 0: | |
3711 | s->status |= 0x04; | |
106627d0 | 3712 | qemu_irq_pulse(s->irq); |
5c1c390f AZ |
3713 | break; |
3714 | case 1: | |
3715 | if (s->current_tm.tm_sec) | |
3716 | break; | |
3717 | s->status |= 0x08; | |
106627d0 | 3718 | qemu_irq_pulse(s->irq); |
5c1c390f AZ |
3719 | break; |
3720 | case 2: | |
3721 | if (s->current_tm.tm_sec || s->current_tm.tm_min) | |
3722 | break; | |
3723 | s->status |= 0x10; | |
106627d0 | 3724 | qemu_irq_pulse(s->irq); |
5c1c390f AZ |
3725 | break; |
3726 | case 3: | |
3727 | if (s->current_tm.tm_sec || | |
3728 | s->current_tm.tm_min || s->current_tm.tm_hour) | |
3729 | break; | |
3730 | s->status |= 0x20; | |
106627d0 | 3731 | qemu_irq_pulse(s->irq); |
5c1c390f AZ |
3732 | break; |
3733 | } | |
3734 | ||
3735 | /* Move on */ | |
3736 | if (s->running) | |
3737 | s->ti ++; | |
3738 | s->tick += 1000; | |
3739 | ||
3740 | /* | |
3741 | * Every full hour add a rough approximation of the compensation | |
3742 | * register to the 32kHz Timer (which drives the RTC) value. | |
3743 | */ | |
3744 | if (s->auto_comp && !s->current_tm.tm_sec && !s->current_tm.tm_min) | |
3745 | s->tick += s->comp_reg * 1000 / 32768; | |
3746 | ||
3747 | qemu_mod_timer(s->clk, s->tick); | |
3748 | } | |
3749 | ||
9596ebb7 | 3750 | static void omap_rtc_reset(struct omap_rtc_s *s) |
5c1c390f | 3751 | { |
f6503059 AZ |
3752 | struct tm tm; |
3753 | ||
5c1c390f AZ |
3754 | s->interrupts = 0; |
3755 | s->comp_reg = 0; | |
3756 | s->running = 0; | |
3757 | s->pm_am = 0; | |
3758 | s->auto_comp = 0; | |
3759 | s->round = 0; | |
3760 | s->tick = qemu_get_clock(rt_clock); | |
3761 | memset(&s->alarm_tm, 0, sizeof(s->alarm_tm)); | |
3762 | s->alarm_tm.tm_mday = 0x01; | |
3763 | s->status = 1 << 7; | |
f6503059 AZ |
3764 | qemu_get_timedate(&tm, 0); |
3765 | s->ti = mktime(&tm); | |
5c1c390f AZ |
3766 | |
3767 | omap_rtc_alarm_update(s); | |
3768 | omap_rtc_tick(s); | |
3769 | } | |
3770 | ||
3771 | struct omap_rtc_s *omap_rtc_init(target_phys_addr_t base, | |
3772 | qemu_irq *irq, omap_clk clk) | |
3773 | { | |
3774 | int iomemtype; | |
3775 | struct omap_rtc_s *s = (struct omap_rtc_s *) | |
3776 | qemu_mallocz(sizeof(struct omap_rtc_s)); | |
3777 | ||
3778 | s->base = base; | |
3779 | s->irq = irq[0]; | |
3780 | s->alarm = irq[1]; | |
3781 | s->clk = qemu_new_timer(rt_clock, omap_rtc_tick, s); | |
5c1c390f AZ |
3782 | |
3783 | omap_rtc_reset(s); | |
3784 | ||
3785 | iomemtype = cpu_register_io_memory(0, omap_rtc_readfn, | |
3786 | omap_rtc_writefn, s); | |
3787 | cpu_register_physical_memory(s->base, 0x800, iomemtype); | |
3788 | ||
3789 | return s; | |
3790 | } | |
3791 | ||
d8f699cb AZ |
3792 | /* Multi-channel Buffered Serial Port interfaces */ |
3793 | struct omap_mcbsp_s { | |
3794 | target_phys_addr_t base; | |
3795 | qemu_irq txirq; | |
3796 | qemu_irq rxirq; | |
3797 | qemu_irq txdrq; | |
3798 | qemu_irq rxdrq; | |
3799 | ||
3800 | uint16_t spcr[2]; | |
3801 | uint16_t rcr[2]; | |
3802 | uint16_t xcr[2]; | |
3803 | uint16_t srgr[2]; | |
3804 | uint16_t mcr[2]; | |
3805 | uint16_t pcr; | |
3806 | uint16_t rcer[8]; | |
3807 | uint16_t xcer[8]; | |
3808 | int tx_rate; | |
3809 | int rx_rate; | |
3810 | int tx_req; | |
73560bc8 | 3811 | int rx_req; |
d8f699cb AZ |
3812 | |
3813 | struct i2s_codec_s *codec; | |
73560bc8 AZ |
3814 | QEMUTimer *source_timer; |
3815 | QEMUTimer *sink_timer; | |
d8f699cb AZ |
3816 | }; |
3817 | ||
3818 | static void omap_mcbsp_intr_update(struct omap_mcbsp_s *s) | |
3819 | { | |
3820 | int irq; | |
3821 | ||
3822 | switch ((s->spcr[0] >> 4) & 3) { /* RINTM */ | |
3823 | case 0: | |
3824 | irq = (s->spcr[0] >> 1) & 1; /* RRDY */ | |
3825 | break; | |
3826 | case 3: | |
3827 | irq = (s->spcr[0] >> 3) & 1; /* RSYNCERR */ | |
3828 | break; | |
3829 | default: | |
3830 | irq = 0; | |
3831 | break; | |
3832 | } | |
3833 | ||
106627d0 AZ |
3834 | if (irq) |
3835 | qemu_irq_pulse(s->rxirq); | |
d8f699cb AZ |
3836 | |
3837 | switch ((s->spcr[1] >> 4) & 3) { /* XINTM */ | |
3838 | case 0: | |
3839 | irq = (s->spcr[1] >> 1) & 1; /* XRDY */ | |
3840 | break; | |
3841 | case 3: | |
3842 | irq = (s->spcr[1] >> 3) & 1; /* XSYNCERR */ | |
3843 | break; | |
3844 | default: | |
3845 | irq = 0; | |
3846 | break; | |
3847 | } | |
3848 | ||
106627d0 AZ |
3849 | if (irq) |
3850 | qemu_irq_pulse(s->txirq); | |
d8f699cb AZ |
3851 | } |
3852 | ||
73560bc8 | 3853 | static void omap_mcbsp_rx_newdata(struct omap_mcbsp_s *s) |
d8f699cb | 3854 | { |
73560bc8 AZ |
3855 | if ((s->spcr[0] >> 1) & 1) /* RRDY */ |
3856 | s->spcr[0] |= 1 << 2; /* RFULL */ | |
3857 | s->spcr[0] |= 1 << 1; /* RRDY */ | |
3858 | qemu_irq_raise(s->rxdrq); | |
3859 | omap_mcbsp_intr_update(s); | |
d8f699cb AZ |
3860 | } |
3861 | ||
73560bc8 | 3862 | static void omap_mcbsp_source_tick(void *opaque) |
d8f699cb | 3863 | { |
73560bc8 AZ |
3864 | struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; |
3865 | static const int bps[8] = { 0, 1, 1, 2, 2, 2, -255, -255 }; | |
3866 | ||
3867 | if (!s->rx_rate) | |
d8f699cb | 3868 | return; |
73560bc8 AZ |
3869 | if (s->rx_req) |
3870 | printf("%s: Rx FIFO overrun\n", __FUNCTION__); | |
d8f699cb | 3871 | |
73560bc8 | 3872 | s->rx_req = s->rx_rate << bps[(s->rcr[0] >> 5) & 7]; |
d8f699cb | 3873 | |
73560bc8 AZ |
3874 | omap_mcbsp_rx_newdata(s); |
3875 | qemu_mod_timer(s->source_timer, qemu_get_clock(vm_clock) + ticks_per_sec); | |
d8f699cb AZ |
3876 | } |
3877 | ||
3878 | static void omap_mcbsp_rx_start(struct omap_mcbsp_s *s) | |
3879 | { | |
73560bc8 AZ |
3880 | if (!s->codec || !s->codec->rts) |
3881 | omap_mcbsp_source_tick(s); | |
3882 | else if (s->codec->in.len) { | |
3883 | s->rx_req = s->codec->in.len; | |
3884 | omap_mcbsp_rx_newdata(s); | |
d8f699cb | 3885 | } |
d8f699cb AZ |
3886 | } |
3887 | ||
3888 | static void omap_mcbsp_rx_stop(struct omap_mcbsp_s *s) | |
73560bc8 AZ |
3889 | { |
3890 | qemu_del_timer(s->source_timer); | |
3891 | } | |
3892 | ||
3893 | static void omap_mcbsp_rx_done(struct omap_mcbsp_s *s) | |
d8f699cb AZ |
3894 | { |
3895 | s->spcr[0] &= ~(1 << 1); /* RRDY */ | |
3896 | qemu_irq_lower(s->rxdrq); | |
3897 | omap_mcbsp_intr_update(s); | |
3898 | } | |
3899 | ||
73560bc8 AZ |
3900 | static void omap_mcbsp_tx_newdata(struct omap_mcbsp_s *s) |
3901 | { | |
3902 | s->spcr[1] |= 1 << 1; /* XRDY */ | |
3903 | qemu_irq_raise(s->txdrq); | |
3904 | omap_mcbsp_intr_update(s); | |
3905 | } | |
3906 | ||
3907 | static void omap_mcbsp_sink_tick(void *opaque) | |
d8f699cb | 3908 | { |
73560bc8 AZ |
3909 | struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; |
3910 | static const int bps[8] = { 0, 1, 1, 2, 2, 2, -255, -255 }; | |
3911 | ||
3912 | if (!s->tx_rate) | |
d8f699cb | 3913 | return; |
73560bc8 AZ |
3914 | if (s->tx_req) |
3915 | printf("%s: Tx FIFO underrun\n", __FUNCTION__); | |
3916 | ||
3917 | s->tx_req = s->tx_rate << bps[(s->xcr[0] >> 5) & 7]; | |
3918 | ||
3919 | omap_mcbsp_tx_newdata(s); | |
3920 | qemu_mod_timer(s->sink_timer, qemu_get_clock(vm_clock) + ticks_per_sec); | |
3921 | } | |
3922 | ||
3923 | static void omap_mcbsp_tx_start(struct omap_mcbsp_s *s) | |
3924 | { | |
3925 | if (!s->codec || !s->codec->cts) | |
3926 | omap_mcbsp_sink_tick(s); | |
3927 | else if (s->codec->out.size) { | |
3928 | s->tx_req = s->codec->out.size; | |
3929 | omap_mcbsp_tx_newdata(s); | |
3930 | } | |
3931 | } | |
3932 | ||
3933 | static void omap_mcbsp_tx_done(struct omap_mcbsp_s *s) | |
3934 | { | |
3935 | s->spcr[1] &= ~(1 << 1); /* XRDY */ | |
3936 | qemu_irq_lower(s->txdrq); | |
3937 | omap_mcbsp_intr_update(s); | |
3938 | if (s->codec && s->codec->cts) | |
3939 | s->codec->tx_swallow(s->codec->opaque); | |
d8f699cb AZ |
3940 | } |
3941 | ||
3942 | static void omap_mcbsp_tx_stop(struct omap_mcbsp_s *s) | |
3943 | { | |
73560bc8 AZ |
3944 | s->tx_req = 0; |
3945 | omap_mcbsp_tx_done(s); | |
3946 | qemu_del_timer(s->sink_timer); | |
3947 | } | |
3948 | ||
3949 | static void omap_mcbsp_req_update(struct omap_mcbsp_s *s) | |
3950 | { | |
3951 | int prev_rx_rate, prev_tx_rate; | |
3952 | int rx_rate = 0, tx_rate = 0; | |
3953 | int cpu_rate = 1500000; /* XXX */ | |
3954 | ||
3955 | /* TODO: check CLKSTP bit */ | |
3956 | if (s->spcr[1] & (1 << 6)) { /* GRST */ | |
3957 | if (s->spcr[0] & (1 << 0)) { /* RRST */ | |
3958 | if ((s->srgr[1] & (1 << 13)) && /* CLKSM */ | |
3959 | (s->pcr & (1 << 8))) { /* CLKRM */ | |
3960 | if (~s->pcr & (1 << 7)) /* SCLKME */ | |
3961 | rx_rate = cpu_rate / | |
3962 | ((s->srgr[0] & 0xff) + 1); /* CLKGDV */ | |
3963 | } else | |
3964 | if (s->codec) | |
3965 | rx_rate = s->codec->rx_rate; | |
3966 | } | |
3967 | ||
3968 | if (s->spcr[1] & (1 << 0)) { /* XRST */ | |
3969 | if ((s->srgr[1] & (1 << 13)) && /* CLKSM */ | |
3970 | (s->pcr & (1 << 9))) { /* CLKXM */ | |
3971 | if (~s->pcr & (1 << 7)) /* SCLKME */ | |
3972 | tx_rate = cpu_rate / | |
3973 | ((s->srgr[0] & 0xff) + 1); /* CLKGDV */ | |
3974 | } else | |
3975 | if (s->codec) | |
3976 | tx_rate = s->codec->tx_rate; | |
3977 | } | |
3978 | } | |
3979 | prev_tx_rate = s->tx_rate; | |
3980 | prev_rx_rate = s->rx_rate; | |
3981 | s->tx_rate = tx_rate; | |
3982 | s->rx_rate = rx_rate; | |
3983 | ||
3984 | if (s->codec) | |
3985 | s->codec->set_rate(s->codec->opaque, rx_rate, tx_rate); | |
3986 | ||
3987 | if (!prev_tx_rate && tx_rate) | |
3988 | omap_mcbsp_tx_start(s); | |
3989 | else if (s->tx_rate && !tx_rate) | |
3990 | omap_mcbsp_tx_stop(s); | |
3991 | ||
3992 | if (!prev_rx_rate && rx_rate) | |
3993 | omap_mcbsp_rx_start(s); | |
3994 | else if (prev_tx_rate && !tx_rate) | |
3995 | omap_mcbsp_rx_stop(s); | |
d8f699cb AZ |
3996 | } |
3997 | ||
3998 | static uint32_t omap_mcbsp_read(void *opaque, target_phys_addr_t addr) | |
3999 | { | |
4000 | struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; | |
4001 | int offset = addr & OMAP_MPUI_REG_MASK; | |
4002 | uint16_t ret; | |
4003 | ||
4004 | switch (offset) { | |
4005 | case 0x00: /* DRR2 */ | |
4006 | if (((s->rcr[0] >> 5) & 7) < 3) /* RWDLEN1 */ | |
4007 | return 0x0000; | |
4008 | /* Fall through. */ | |
4009 | case 0x02: /* DRR1 */ | |
73560bc8 | 4010 | if (s->rx_req < 2) { |
d8f699cb | 4011 | printf("%s: Rx FIFO underrun\n", __FUNCTION__); |
73560bc8 | 4012 | omap_mcbsp_rx_done(s); |
d8f699cb | 4013 | } else { |
73560bc8 AZ |
4014 | s->tx_req -= 2; |
4015 | if (s->codec && s->codec->in.len >= 2) { | |
4016 | ret = s->codec->in.fifo[s->codec->in.start ++] << 8; | |
4017 | ret |= s->codec->in.fifo[s->codec->in.start ++]; | |
4018 | s->codec->in.len -= 2; | |
4019 | } else | |
4020 | ret = 0x0000; | |
4021 | if (!s->tx_req) | |
4022 | omap_mcbsp_rx_done(s); | |
d8f699cb AZ |
4023 | return ret; |
4024 | } | |
4025 | return 0x0000; | |
4026 | ||
4027 | case 0x04: /* DXR2 */ | |
4028 | case 0x06: /* DXR1 */ | |
4029 | return 0x0000; | |
4030 | ||
4031 | case 0x08: /* SPCR2 */ | |
4032 | return s->spcr[1]; | |
4033 | case 0x0a: /* SPCR1 */ | |
4034 | return s->spcr[0]; | |
4035 | case 0x0c: /* RCR2 */ | |
4036 | return s->rcr[1]; | |
4037 | case 0x0e: /* RCR1 */ | |
4038 | return s->rcr[0]; | |
4039 | case 0x10: /* XCR2 */ | |
4040 | return s->xcr[1]; | |
4041 | case 0x12: /* XCR1 */ | |
4042 | return s->xcr[0]; | |
4043 | case 0x14: /* SRGR2 */ | |
4044 | return s->srgr[1]; | |
4045 | case 0x16: /* SRGR1 */ | |
4046 | return s->srgr[0]; | |
4047 | case 0x18: /* MCR2 */ | |
4048 | return s->mcr[1]; | |
4049 | case 0x1a: /* MCR1 */ | |
4050 | return s->mcr[0]; | |
4051 | case 0x1c: /* RCERA */ | |
4052 | return s->rcer[0]; | |
4053 | case 0x1e: /* RCERB */ | |
4054 | return s->rcer[1]; | |
4055 | case 0x20: /* XCERA */ | |
4056 | return s->xcer[0]; | |
4057 | case 0x22: /* XCERB */ | |
4058 | return s->xcer[1]; | |
4059 | case 0x24: /* PCR0 */ | |
4060 | return s->pcr; | |
4061 | case 0x26: /* RCERC */ | |
4062 | return s->rcer[2]; | |
4063 | case 0x28: /* RCERD */ | |
4064 | return s->rcer[3]; | |
4065 | case 0x2a: /* XCERC */ | |
4066 | return s->xcer[2]; | |
4067 | case 0x2c: /* XCERD */ | |
4068 | return s->xcer[3]; | |
4069 | case 0x2e: /* RCERE */ | |
4070 | return s->rcer[4]; | |
4071 | case 0x30: /* RCERF */ | |
4072 | return s->rcer[5]; | |
4073 | case 0x32: /* XCERE */ | |
4074 | return s->xcer[4]; | |
4075 | case 0x34: /* XCERF */ | |
4076 | return s->xcer[5]; | |
4077 | case 0x36: /* RCERG */ | |
4078 | return s->rcer[6]; | |
4079 | case 0x38: /* RCERH */ | |
4080 | return s->rcer[7]; | |
4081 | case 0x3a: /* XCERG */ | |
4082 | return s->xcer[6]; | |
4083 | case 0x3c: /* XCERH */ | |
4084 | return s->xcer[7]; | |
4085 | } | |
4086 | ||
4087 | OMAP_BAD_REG(addr); | |
4088 | return 0; | |
4089 | } | |
4090 | ||
73560bc8 | 4091 | static void omap_mcbsp_writeh(void *opaque, target_phys_addr_t addr, |
d8f699cb AZ |
4092 | uint32_t value) |
4093 | { | |
4094 | struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; | |
4095 | int offset = addr & OMAP_MPUI_REG_MASK; | |
4096 | ||
4097 | switch (offset) { | |
4098 | case 0x00: /* DRR2 */ | |
4099 | case 0x02: /* DRR1 */ | |
4100 | OMAP_RO_REG(addr); | |
4101 | return; | |
4102 | ||
4103 | case 0x04: /* DXR2 */ | |
4104 | if (((s->xcr[0] >> 5) & 7) < 3) /* XWDLEN1 */ | |
4105 | return; | |
4106 | /* Fall through. */ | |
4107 | case 0x06: /* DXR1 */ | |
73560bc8 AZ |
4108 | if (s->tx_req > 1) { |
4109 | s->tx_req -= 2; | |
4110 | if (s->codec && s->codec->cts) { | |
d8f699cb AZ |
4111 | s->codec->out.fifo[s->codec->out.len ++] = (value >> 8) & 0xff; |
4112 | s->codec->out.fifo[s->codec->out.len ++] = (value >> 0) & 0xff; | |
d8f699cb | 4113 | } |
73560bc8 AZ |
4114 | if (s->tx_req < 2) |
4115 | omap_mcbsp_tx_done(s); | |
d8f699cb AZ |
4116 | } else |
4117 | printf("%s: Tx FIFO overrun\n", __FUNCTION__); | |
4118 | return; | |
4119 | ||
4120 | case 0x08: /* SPCR2 */ | |
4121 | s->spcr[1] &= 0x0002; | |
4122 | s->spcr[1] |= 0x03f9 & value; | |
4123 | s->spcr[1] |= 0x0004 & (value << 2); /* XEMPTY := XRST */ | |
73560bc8 | 4124 | if (~value & 1) /* XRST */ |
d8f699cb | 4125 | s->spcr[1] &= ~6; |
d8f699cb AZ |
4126 | omap_mcbsp_req_update(s); |
4127 | return; | |
4128 | case 0x0a: /* SPCR1 */ | |
4129 | s->spcr[0] &= 0x0006; | |
4130 | s->spcr[0] |= 0xf8f9 & value; | |
4131 | if (value & (1 << 15)) /* DLB */ | |
4132 | printf("%s: Digital Loopback mode enable attempt\n", __FUNCTION__); | |
4133 | if (~value & 1) { /* RRST */ | |
4134 | s->spcr[0] &= ~6; | |
73560bc8 AZ |
4135 | s->rx_req = 0; |
4136 | omap_mcbsp_rx_done(s); | |
d8f699cb | 4137 | } |
d8f699cb AZ |
4138 | omap_mcbsp_req_update(s); |
4139 | return; | |
4140 | ||
4141 | case 0x0c: /* RCR2 */ | |
4142 | s->rcr[1] = value & 0xffff; | |
4143 | return; | |
4144 | case 0x0e: /* RCR1 */ | |
4145 | s->rcr[0] = value & 0x7fe0; | |
4146 | return; | |
4147 | case 0x10: /* XCR2 */ | |
4148 | s->xcr[1] = value & 0xffff; | |
4149 | return; | |
4150 | case 0x12: /* XCR1 */ | |
4151 | s->xcr[0] = value & 0x7fe0; | |
4152 | return; | |
4153 | case 0x14: /* SRGR2 */ | |
4154 | s->srgr[1] = value & 0xffff; | |
73560bc8 | 4155 | omap_mcbsp_req_update(s); |
d8f699cb AZ |
4156 | return; |
4157 | case 0x16: /* SRGR1 */ | |
4158 | s->srgr[0] = value & 0xffff; | |
73560bc8 | 4159 | omap_mcbsp_req_update(s); |
d8f699cb AZ |
4160 | return; |
4161 | case 0x18: /* MCR2 */ | |
4162 | s->mcr[1] = value & 0x03e3; | |
4163 | if (value & 3) /* XMCM */ | |
4164 | printf("%s: Tx channel selection mode enable attempt\n", | |
4165 | __FUNCTION__); | |
4166 | return; | |
4167 | case 0x1a: /* MCR1 */ | |
4168 | s->mcr[0] = value & 0x03e1; | |
4169 | if (value & 1) /* RMCM */ | |
4170 | printf("%s: Rx channel selection mode enable attempt\n", | |
4171 | __FUNCTION__); | |
4172 | return; | |
4173 | case 0x1c: /* RCERA */ | |
4174 | s->rcer[0] = value & 0xffff; | |
4175 | return; | |
4176 | case 0x1e: /* RCERB */ | |
4177 | s->rcer[1] = value & 0xffff; | |
4178 | return; | |
4179 | case 0x20: /* XCERA */ | |
4180 | s->xcer[0] = value & 0xffff; | |
4181 | return; | |
4182 | case 0x22: /* XCERB */ | |
4183 | s->xcer[1] = value & 0xffff; | |
4184 | return; | |
4185 | case 0x24: /* PCR0 */ | |
4186 | s->pcr = value & 0x7faf; | |
4187 | return; | |
4188 | case 0x26: /* RCERC */ | |
4189 | s->rcer[2] = value & 0xffff; | |
4190 | return; | |
4191 | case 0x28: /* RCERD */ | |
4192 | s->rcer[3] = value & 0xffff; | |
4193 | return; | |
4194 | case 0x2a: /* XCERC */ | |
4195 | s->xcer[2] = value & 0xffff; | |
4196 | return; | |
4197 | case 0x2c: /* XCERD */ | |
4198 | s->xcer[3] = value & 0xffff; | |
4199 | return; | |
4200 | case 0x2e: /* RCERE */ | |
4201 | s->rcer[4] = value & 0xffff; | |
4202 | return; | |
4203 | case 0x30: /* RCERF */ | |
4204 | s->rcer[5] = value & 0xffff; | |
4205 | return; | |
4206 | case 0x32: /* XCERE */ | |
4207 | s->xcer[4] = value & 0xffff; | |
4208 | return; | |
4209 | case 0x34: /* XCERF */ | |
4210 | s->xcer[5] = value & 0xffff; | |
4211 | return; | |
4212 | case 0x36: /* RCERG */ | |
4213 | s->rcer[6] = value & 0xffff; | |
4214 | return; | |
4215 | case 0x38: /* RCERH */ | |
4216 | s->rcer[7] = value & 0xffff; | |
4217 | return; | |
4218 | case 0x3a: /* XCERG */ | |
4219 | s->xcer[6] = value & 0xffff; | |
4220 | return; | |
4221 | case 0x3c: /* XCERH */ | |
4222 | s->xcer[7] = value & 0xffff; | |
4223 | return; | |
4224 | } | |
4225 | ||
4226 | OMAP_BAD_REG(addr); | |
4227 | } | |
4228 | ||
73560bc8 AZ |
4229 | static void omap_mcbsp_writew(void *opaque, target_phys_addr_t addr, |
4230 | uint32_t value) | |
4231 | { | |
4232 | struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; | |
4233 | int offset = addr & OMAP_MPUI_REG_MASK; | |
4234 | ||
4235 | if (offset == 0x04) { /* DXR */ | |
4236 | if (((s->xcr[0] >> 5) & 7) < 3) /* XWDLEN1 */ | |
4237 | return; | |
4238 | if (s->tx_req > 3) { | |
4239 | s->tx_req -= 4; | |
4240 | if (s->codec && s->codec->cts) { | |
4241 | s->codec->out.fifo[s->codec->out.len ++] = | |
4242 | (value >> 24) & 0xff; | |
4243 | s->codec->out.fifo[s->codec->out.len ++] = | |
4244 | (value >> 16) & 0xff; | |
4245 | s->codec->out.fifo[s->codec->out.len ++] = | |
4246 | (value >> 8) & 0xff; | |
4247 | s->codec->out.fifo[s->codec->out.len ++] = | |
4248 | (value >> 0) & 0xff; | |
4249 | } | |
4250 | if (s->tx_req < 4) | |
4251 | omap_mcbsp_tx_done(s); | |
4252 | } else | |
4253 | printf("%s: Tx FIFO overrun\n", __FUNCTION__); | |
4254 | return; | |
4255 | } | |
4256 | ||
4257 | omap_badwidth_write16(opaque, addr, value); | |
4258 | } | |
4259 | ||
d8f699cb AZ |
4260 | static CPUReadMemoryFunc *omap_mcbsp_readfn[] = { |
4261 | omap_badwidth_read16, | |
4262 | omap_mcbsp_read, | |
4263 | omap_badwidth_read16, | |
4264 | }; | |
4265 | ||
4266 | static CPUWriteMemoryFunc *omap_mcbsp_writefn[] = { | |
4267 | omap_badwidth_write16, | |
73560bc8 AZ |
4268 | omap_mcbsp_writeh, |
4269 | omap_mcbsp_writew, | |
d8f699cb AZ |
4270 | }; |
4271 | ||
4272 | static void omap_mcbsp_reset(struct omap_mcbsp_s *s) | |
4273 | { | |
4274 | memset(&s->spcr, 0, sizeof(s->spcr)); | |
4275 | memset(&s->rcr, 0, sizeof(s->rcr)); | |
4276 | memset(&s->xcr, 0, sizeof(s->xcr)); | |
4277 | s->srgr[0] = 0x0001; | |
4278 | s->srgr[1] = 0x2000; | |
4279 | memset(&s->mcr, 0, sizeof(s->mcr)); | |
4280 | memset(&s->pcr, 0, sizeof(s->pcr)); | |
4281 | memset(&s->rcer, 0, sizeof(s->rcer)); | |
4282 | memset(&s->xcer, 0, sizeof(s->xcer)); | |
4283 | s->tx_req = 0; | |
73560bc8 | 4284 | s->rx_req = 0; |
d8f699cb AZ |
4285 | s->tx_rate = 0; |
4286 | s->rx_rate = 0; | |
73560bc8 AZ |
4287 | qemu_del_timer(s->source_timer); |
4288 | qemu_del_timer(s->sink_timer); | |
d8f699cb AZ |
4289 | } |
4290 | ||
4291 | struct omap_mcbsp_s *omap_mcbsp_init(target_phys_addr_t base, | |
4292 | qemu_irq *irq, qemu_irq *dma, omap_clk clk) | |
4293 | { | |
4294 | int iomemtype; | |
4295 | struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) | |
4296 | qemu_mallocz(sizeof(struct omap_mcbsp_s)); | |
4297 | ||
4298 | s->base = base; | |
4299 | s->txirq = irq[0]; | |
4300 | s->rxirq = irq[1]; | |
4301 | s->txdrq = dma[0]; | |
4302 | s->rxdrq = dma[1]; | |
73560bc8 AZ |
4303 | s->sink_timer = qemu_new_timer(vm_clock, omap_mcbsp_sink_tick, s); |
4304 | s->source_timer = qemu_new_timer(vm_clock, omap_mcbsp_source_tick, s); | |
d8f699cb AZ |
4305 | omap_mcbsp_reset(s); |
4306 | ||
4307 | iomemtype = cpu_register_io_memory(0, omap_mcbsp_readfn, | |
4308 | omap_mcbsp_writefn, s); | |
4309 | cpu_register_physical_memory(s->base, 0x800, iomemtype); | |
4310 | ||
4311 | return s; | |
4312 | } | |
4313 | ||
9596ebb7 | 4314 | static void omap_mcbsp_i2s_swallow(void *opaque, int line, int level) |
d8f699cb AZ |
4315 | { |
4316 | struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; | |
4317 | ||
73560bc8 AZ |
4318 | if (s->rx_rate) { |
4319 | s->rx_req = s->codec->in.len; | |
4320 | omap_mcbsp_rx_newdata(s); | |
4321 | } | |
d8f699cb AZ |
4322 | } |
4323 | ||
9596ebb7 | 4324 | static void omap_mcbsp_i2s_start(void *opaque, int line, int level) |
d8f699cb AZ |
4325 | { |
4326 | struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque; | |
4327 | ||
73560bc8 AZ |
4328 | if (s->tx_rate) { |
4329 | s->tx_req = s->codec->out.size; | |
4330 | omap_mcbsp_tx_newdata(s); | |
4331 | } | |
d8f699cb AZ |
4332 | } |
4333 | ||
4334 | void omap_mcbsp_i2s_attach(struct omap_mcbsp_s *s, struct i2s_codec_s *slave) | |
4335 | { | |
4336 | s->codec = slave; | |
4337 | slave->rx_swallow = qemu_allocate_irqs(omap_mcbsp_i2s_swallow, s, 1)[0]; | |
4338 | slave->tx_start = qemu_allocate_irqs(omap_mcbsp_i2s_start, s, 1)[0]; | |
4339 | } | |
4340 | ||
f9d43072 AZ |
4341 | /* LED Pulse Generators */ |
4342 | struct omap_lpg_s { | |
4343 | target_phys_addr_t base; | |
4344 | QEMUTimer *tm; | |
4345 | ||
4346 | uint8_t control; | |
4347 | uint8_t power; | |
4348 | int64_t on; | |
4349 | int64_t period; | |
4350 | int clk; | |
4351 | int cycle; | |
4352 | }; | |
4353 | ||
4354 | static void omap_lpg_tick(void *opaque) | |
4355 | { | |
4356 | struct omap_lpg_s *s = opaque; | |
4357 | ||
4358 | if (s->cycle) | |
4359 | qemu_mod_timer(s->tm, qemu_get_clock(rt_clock) + s->period - s->on); | |
4360 | else | |
4361 | qemu_mod_timer(s->tm, qemu_get_clock(rt_clock) + s->on); | |
4362 | ||
4363 | s->cycle = !s->cycle; | |
4364 | printf("%s: LED is %s\n", __FUNCTION__, s->cycle ? "on" : "off"); | |
4365 | } | |
4366 | ||
4367 | static void omap_lpg_update(struct omap_lpg_s *s) | |
4368 | { | |
4369 | int64_t on, period = 1, ticks = 1000; | |
4370 | static const int per[8] = { 1, 2, 4, 8, 12, 16, 20, 24 }; | |
4371 | ||
4372 | if (~s->control & (1 << 6)) /* LPGRES */ | |
4373 | on = 0; | |
4374 | else if (s->control & (1 << 7)) /* PERM_ON */ | |
4375 | on = period; | |
4376 | else { | |
4377 | period = muldiv64(ticks, per[s->control & 7], /* PERCTRL */ | |
4378 | 256 / 32); | |
4379 | on = (s->clk && s->power) ? muldiv64(ticks, | |
4380 | per[(s->control >> 3) & 7], 256) : 0; /* ONCTRL */ | |
4381 | } | |
4382 | ||
4383 | qemu_del_timer(s->tm); | |
4384 | if (on == period && s->on < s->period) | |
4385 | printf("%s: LED is on\n", __FUNCTION__); | |
4386 | else if (on == 0 && s->on) | |
4387 | printf("%s: LED is off\n", __FUNCTION__); | |
4388 | else if (on && (on != s->on || period != s->period)) { | |
4389 | s->cycle = 0; | |
4390 | s->on = on; | |
4391 | s->period = period; | |
4392 | omap_lpg_tick(s); | |
4393 | return; | |
4394 | } | |
4395 | ||
4396 | s->on = on; | |
4397 | s->period = period; | |
4398 | } | |
4399 | ||
4400 | static void omap_lpg_reset(struct omap_lpg_s *s) | |
4401 | { | |
4402 | s->control = 0x00; | |
4403 | s->power = 0x00; | |
4404 | s->clk = 1; | |
4405 | omap_lpg_update(s); | |
4406 | } | |
4407 | ||
4408 | static uint32_t omap_lpg_read(void *opaque, target_phys_addr_t addr) | |
4409 | { | |
4410 | struct omap_lpg_s *s = (struct omap_lpg_s *) opaque; | |
4411 | int offset = addr & OMAP_MPUI_REG_MASK; | |
4412 | ||
4413 | switch (offset) { | |
4414 | case 0x00: /* LCR */ | |
4415 | return s->control; | |
4416 | ||
4417 | case 0x04: /* PMR */ | |
4418 | return s->power; | |
4419 | } | |
4420 | ||
4421 | OMAP_BAD_REG(addr); | |
4422 | return 0; | |
4423 | } | |
4424 | ||
4425 | static void omap_lpg_write(void *opaque, target_phys_addr_t addr, | |
4426 | uint32_t value) | |
4427 | { | |
4428 | struct omap_lpg_s *s = (struct omap_lpg_s *) opaque; | |
4429 | int offset = addr & OMAP_MPUI_REG_MASK; | |
4430 | ||
4431 | switch (offset) { | |
4432 | case 0x00: /* LCR */ | |
4433 | if (~value & (1 << 6)) /* LPGRES */ | |
4434 | omap_lpg_reset(s); | |
4435 | s->control = value & 0xff; | |
4436 | omap_lpg_update(s); | |
4437 | return; | |
4438 | ||
4439 | case 0x04: /* PMR */ | |
4440 | s->power = value & 0x01; | |
4441 | omap_lpg_update(s); | |
4442 | return; | |
4443 | ||
4444 | default: | |
4445 | OMAP_BAD_REG(addr); | |
4446 | return; | |
4447 | } | |
4448 | } | |
4449 | ||
4450 | static CPUReadMemoryFunc *omap_lpg_readfn[] = { | |
4451 | omap_lpg_read, | |
4452 | omap_badwidth_read8, | |
4453 | omap_badwidth_read8, | |
4454 | }; | |
4455 | ||
4456 | static CPUWriteMemoryFunc *omap_lpg_writefn[] = { | |
4457 | omap_lpg_write, | |
4458 | omap_badwidth_write8, | |
4459 | omap_badwidth_write8, | |
4460 | }; | |
4461 | ||
4462 | static void omap_lpg_clk_update(void *opaque, int line, int on) | |
4463 | { | |
4464 | struct omap_lpg_s *s = (struct omap_lpg_s *) opaque; | |
4465 | ||
4466 | s->clk = on; | |
4467 | omap_lpg_update(s); | |
4468 | } | |
4469 | ||
4470 | struct omap_lpg_s *omap_lpg_init(target_phys_addr_t base, omap_clk clk) | |
4471 | { | |
4472 | int iomemtype; | |
4473 | struct omap_lpg_s *s = (struct omap_lpg_s *) | |
4474 | qemu_mallocz(sizeof(struct omap_lpg_s)); | |
4475 | ||
4476 | s->base = base; | |
4477 | s->tm = qemu_new_timer(rt_clock, omap_lpg_tick, s); | |
4478 | ||
4479 | omap_lpg_reset(s); | |
4480 | ||
4481 | iomemtype = cpu_register_io_memory(0, omap_lpg_readfn, | |
4482 | omap_lpg_writefn, s); | |
4483 | cpu_register_physical_memory(s->base, 0x800, iomemtype); | |
4484 | ||
4485 | omap_clk_adduser(clk, qemu_allocate_irqs(omap_lpg_clk_update, s, 1)[0]); | |
4486 | ||
4487 | return s; | |
4488 | } | |
4489 | ||
4490 | /* MPUI Peripheral Bridge configuration */ | |
4491 | static uint32_t omap_mpui_io_read(void *opaque, target_phys_addr_t addr) | |
4492 | { | |
4493 | if (addr == OMAP_MPUI_BASE) /* CMR */ | |
4494 | return 0xfe4d; | |
4495 | ||
4496 | OMAP_BAD_REG(addr); | |
4497 | return 0; | |
4498 | } | |
4499 | ||
4500 | static CPUReadMemoryFunc *omap_mpui_io_readfn[] = { | |
4501 | omap_badwidth_read16, | |
4502 | omap_mpui_io_read, | |
4503 | omap_badwidth_read16, | |
4504 | }; | |
4505 | ||
4506 | static CPUWriteMemoryFunc *omap_mpui_io_writefn[] = { | |
4507 | omap_badwidth_write16, | |
4508 | omap_badwidth_write16, | |
4509 | omap_badwidth_write16, | |
4510 | }; | |
4511 | ||
4512 | static void omap_setup_mpui_io(struct omap_mpu_state_s *mpu) | |
4513 | { | |
4514 | int iomemtype = cpu_register_io_memory(0, omap_mpui_io_readfn, | |
4515 | omap_mpui_io_writefn, mpu); | |
4516 | cpu_register_physical_memory(OMAP_MPUI_BASE, 0x7fff, iomemtype); | |
4517 | } | |
4518 | ||
c3d2689d | 4519 | /* General chip reset */ |
827df9f3 | 4520 | static void omap1_mpu_reset(void *opaque) |
c3d2689d AZ |
4521 | { |
4522 | struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque; | |
4523 | ||
c3d2689d AZ |
4524 | omap_inth_reset(mpu->ih[0]); |
4525 | omap_inth_reset(mpu->ih[1]); | |
4526 | omap_dma_reset(mpu->dma); | |
4527 | omap_mpu_timer_reset(mpu->timer[0]); | |
4528 | omap_mpu_timer_reset(mpu->timer[1]); | |
4529 | omap_mpu_timer_reset(mpu->timer[2]); | |
4530 | omap_wd_timer_reset(mpu->wdt); | |
4531 | omap_os_timer_reset(mpu->os_timer); | |
4532 | omap_lcdc_reset(mpu->lcd); | |
4533 | omap_ulpd_pm_reset(mpu); | |
4534 | omap_pin_cfg_reset(mpu); | |
4535 | omap_mpui_reset(mpu); | |
4536 | omap_tipb_bridge_reset(mpu->private_tipb); | |
4537 | omap_tipb_bridge_reset(mpu->public_tipb); | |
4538 | omap_dpll_reset(&mpu->dpll[0]); | |
4539 | omap_dpll_reset(&mpu->dpll[1]); | |
4540 | omap_dpll_reset(&mpu->dpll[2]); | |
d951f6ff AZ |
4541 | omap_uart_reset(mpu->uart[0]); |
4542 | omap_uart_reset(mpu->uart[1]); | |
4543 | omap_uart_reset(mpu->uart[2]); | |
b30bb3a2 | 4544 | omap_mmc_reset(mpu->mmc); |
fe71e81a | 4545 | omap_mpuio_reset(mpu->mpuio); |
64330148 | 4546 | omap_gpio_reset(mpu->gpio); |
d951f6ff | 4547 | omap_uwire_reset(mpu->microwire); |
66450b15 | 4548 | omap_pwl_reset(mpu); |
4a2c8ac2 | 4549 | omap_pwt_reset(mpu); |
827df9f3 | 4550 | omap_i2c_reset(mpu->i2c[0]); |
5c1c390f | 4551 | omap_rtc_reset(mpu->rtc); |
d8f699cb AZ |
4552 | omap_mcbsp_reset(mpu->mcbsp1); |
4553 | omap_mcbsp_reset(mpu->mcbsp2); | |
4554 | omap_mcbsp_reset(mpu->mcbsp3); | |
f9d43072 AZ |
4555 | omap_lpg_reset(mpu->led[0]); |
4556 | omap_lpg_reset(mpu->led[1]); | |
8ef6367e | 4557 | omap_clkm_reset(mpu); |
c3d2689d AZ |
4558 | cpu_reset(mpu->env); |
4559 | } | |
4560 | ||
cf965d24 AZ |
4561 | static const struct omap_map_s { |
4562 | target_phys_addr_t phys_dsp; | |
4563 | target_phys_addr_t phys_mpu; | |
4564 | uint32_t size; | |
4565 | const char *name; | |
4566 | } omap15xx_dsp_mm[] = { | |
4567 | /* Strobe 0 */ | |
4568 | { 0xe1010000, 0xfffb0000, 0x800, "UART1 BT" }, /* CS0 */ | |
4569 | { 0xe1010800, 0xfffb0800, 0x800, "UART2 COM" }, /* CS1 */ | |
4570 | { 0xe1011800, 0xfffb1800, 0x800, "McBSP1 audio" }, /* CS3 */ | |
4571 | { 0xe1012000, 0xfffb2000, 0x800, "MCSI2 communication" }, /* CS4 */ | |
4572 | { 0xe1012800, 0xfffb2800, 0x800, "MCSI1 BT u-Law" }, /* CS5 */ | |
4573 | { 0xe1013000, 0xfffb3000, 0x800, "uWire" }, /* CS6 */ | |
4574 | { 0xe1013800, 0xfffb3800, 0x800, "I^2C" }, /* CS7 */ | |
4575 | { 0xe1014000, 0xfffb4000, 0x800, "USB W2FC" }, /* CS8 */ | |
4576 | { 0xe1014800, 0xfffb4800, 0x800, "RTC" }, /* CS9 */ | |
4577 | { 0xe1015000, 0xfffb5000, 0x800, "MPUIO" }, /* CS10 */ | |
4578 | { 0xe1015800, 0xfffb5800, 0x800, "PWL" }, /* CS11 */ | |
4579 | { 0xe1016000, 0xfffb6000, 0x800, "PWT" }, /* CS12 */ | |
4580 | { 0xe1017000, 0xfffb7000, 0x800, "McBSP3" }, /* CS14 */ | |
4581 | { 0xe1017800, 0xfffb7800, 0x800, "MMC" }, /* CS15 */ | |
4582 | { 0xe1019000, 0xfffb9000, 0x800, "32-kHz timer" }, /* CS18 */ | |
4583 | { 0xe1019800, 0xfffb9800, 0x800, "UART3" }, /* CS19 */ | |
4584 | { 0xe101c800, 0xfffbc800, 0x800, "TIPB switches" }, /* CS25 */ | |
4585 | /* Strobe 1 */ | |
4586 | { 0xe101e000, 0xfffce000, 0x800, "GPIOs" }, /* CS28 */ | |
4587 | ||
4588 | { 0 } | |
4589 | }; | |
4590 | ||
4591 | static void omap_setup_dsp_mapping(const struct omap_map_s *map) | |
4592 | { | |
4593 | int io; | |
4594 | ||
4595 | for (; map->phys_dsp; map ++) { | |
4596 | io = cpu_get_physical_page_desc(map->phys_mpu); | |
4597 | ||
4598 | cpu_register_physical_memory(map->phys_dsp, map->size, io); | |
4599 | } | |
4600 | } | |
4601 | ||
827df9f3 | 4602 | void omap_mpu_wakeup(void *opaque, int irq, int req) |
c3d2689d AZ |
4603 | { |
4604 | struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque; | |
4605 | ||
fe71e81a AZ |
4606 | if (mpu->env->halted) |
4607 | cpu_interrupt(mpu->env, CPU_INTERRUPT_EXITTB); | |
c3d2689d AZ |
4608 | } |
4609 | ||
827df9f3 | 4610 | static const struct dma_irq_map omap1_dma_irq_map[] = { |
089b7c0a AZ |
4611 | { 0, OMAP_INT_DMA_CH0_6 }, |
4612 | { 0, OMAP_INT_DMA_CH1_7 }, | |
4613 | { 0, OMAP_INT_DMA_CH2_8 }, | |
4614 | { 0, OMAP_INT_DMA_CH3 }, | |
4615 | { 0, OMAP_INT_DMA_CH4 }, | |
4616 | { 0, OMAP_INT_DMA_CH5 }, | |
4617 | { 1, OMAP_INT_1610_DMA_CH6 }, | |
4618 | { 1, OMAP_INT_1610_DMA_CH7 }, | |
4619 | { 1, OMAP_INT_1610_DMA_CH8 }, | |
4620 | { 1, OMAP_INT_1610_DMA_CH9 }, | |
4621 | { 1, OMAP_INT_1610_DMA_CH10 }, | |
4622 | { 1, OMAP_INT_1610_DMA_CH11 }, | |
4623 | { 1, OMAP_INT_1610_DMA_CH12 }, | |
4624 | { 1, OMAP_INT_1610_DMA_CH13 }, | |
4625 | { 1, OMAP_INT_1610_DMA_CH14 }, | |
4626 | { 1, OMAP_INT_1610_DMA_CH15 } | |
4627 | }; | |
4628 | ||
b4e3104b AZ |
4629 | /* DMA ports for OMAP1 */ |
4630 | static int omap_validate_emiff_addr(struct omap_mpu_state_s *s, | |
4631 | target_phys_addr_t addr) | |
4632 | { | |
4633 | return addr >= OMAP_EMIFF_BASE && addr < OMAP_EMIFF_BASE + s->sdram_size; | |
4634 | } | |
4635 | ||
4636 | static int omap_validate_emifs_addr(struct omap_mpu_state_s *s, | |
4637 | target_phys_addr_t addr) | |
4638 | { | |
4639 | return addr >= OMAP_EMIFS_BASE && addr < OMAP_EMIFF_BASE; | |
4640 | } | |
4641 | ||
4642 | static int omap_validate_imif_addr(struct omap_mpu_state_s *s, | |
4643 | target_phys_addr_t addr) | |
4644 | { | |
4645 | return addr >= OMAP_IMIF_BASE && addr < OMAP_IMIF_BASE + s->sram_size; | |
4646 | } | |
4647 | ||
4648 | static int omap_validate_tipb_addr(struct omap_mpu_state_s *s, | |
4649 | target_phys_addr_t addr) | |
4650 | { | |
4651 | return addr >= 0xfffb0000 && addr < 0xffff0000; | |
4652 | } | |
4653 | ||
4654 | static int omap_validate_local_addr(struct omap_mpu_state_s *s, | |
4655 | target_phys_addr_t addr) | |
4656 | { | |
4657 | return addr >= OMAP_LOCALBUS_BASE && addr < OMAP_LOCALBUS_BASE + 0x1000000; | |
4658 | } | |
4659 | ||
4660 | static int omap_validate_tipb_mpui_addr(struct omap_mpu_state_s *s, | |
4661 | target_phys_addr_t addr) | |
4662 | { | |
4663 | return addr >= 0xe1010000 && addr < 0xe1020004; | |
4664 | } | |
4665 | ||
c3d2689d AZ |
4666 | struct omap_mpu_state_s *omap310_mpu_init(unsigned long sdram_size, |
4667 | DisplayState *ds, const char *core) | |
4668 | { | |
089b7c0a | 4669 | int i; |
c3d2689d AZ |
4670 | struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) |
4671 | qemu_mallocz(sizeof(struct omap_mpu_state_s)); | |
4672 | ram_addr_t imif_base, emiff_base; | |
106627d0 | 4673 | qemu_irq *cpu_irq; |
089b7c0a | 4674 | qemu_irq dma_irqs[6]; |
9d413d1d | 4675 | int sdindex; |
106627d0 | 4676 | |
aaed909a FB |
4677 | if (!core) |
4678 | core = "ti925t"; | |
c3d2689d AZ |
4679 | |
4680 | /* Core */ | |
4681 | s->mpu_model = omap310; | |
aaed909a FB |
4682 | s->env = cpu_init(core); |
4683 | if (!s->env) { | |
4684 | fprintf(stderr, "Unable to find CPU definition\n"); | |
4685 | exit(1); | |
4686 | } | |
c3d2689d AZ |
4687 | s->sdram_size = sdram_size; |
4688 | s->sram_size = OMAP15XX_SRAM_SIZE; | |
4689 | ||
fe71e81a AZ |
4690 | s->wakeup = qemu_allocate_irqs(omap_mpu_wakeup, s, 1)[0]; |
4691 | ||
c3d2689d AZ |
4692 | /* Clocks */ |
4693 | omap_clk_init(s); | |
4694 | ||
4695 | /* Memory-mapped stuff */ | |
4696 | cpu_register_physical_memory(OMAP_EMIFF_BASE, s->sdram_size, | |
4697 | (emiff_base = qemu_ram_alloc(s->sdram_size)) | IO_MEM_RAM); | |
4698 | cpu_register_physical_memory(OMAP_IMIF_BASE, s->sram_size, | |
4699 | (imif_base = qemu_ram_alloc(s->sram_size)) | IO_MEM_RAM); | |
4700 | ||
4701 | omap_clkm_init(0xfffece00, 0xe1008000, s); | |
4702 | ||
106627d0 | 4703 | cpu_irq = arm_pic_init_cpu(s->env); |
827df9f3 | 4704 | s->ih[0] = omap_inth_init(0xfffecb00, 0x100, 1, &s->irq[0], |
106627d0 | 4705 | cpu_irq[ARM_PIC_CPU_IRQ], cpu_irq[ARM_PIC_CPU_FIQ], |
c3d2689d | 4706 | omap_findclk(s, "arminth_ck")); |
827df9f3 | 4707 | s->ih[1] = omap_inth_init(0xfffe0000, 0x800, 1, &s->irq[1], |
106627d0 | 4708 | s->ih[0]->pins[OMAP_INT_15XX_IH2_IRQ], NULL, |
c3d2689d | 4709 | omap_findclk(s, "arminth_ck")); |
c3d2689d | 4710 | |
089b7c0a | 4711 | for (i = 0; i < 6; i ++) |
827df9f3 AZ |
4712 | dma_irqs[i] = |
4713 | s->irq[omap1_dma_irq_map[i].ih][omap1_dma_irq_map[i].intr]; | |
089b7c0a AZ |
4714 | s->dma = omap_dma_init(0xfffed800, dma_irqs, s->irq[0][OMAP_INT_DMA_LCD], |
4715 | s, omap_findclk(s, "dma_ck"), omap_dma_3_1); | |
4716 | ||
c3d2689d AZ |
4717 | s->port[emiff ].addr_valid = omap_validate_emiff_addr; |
4718 | s->port[emifs ].addr_valid = omap_validate_emifs_addr; | |
4719 | s->port[imif ].addr_valid = omap_validate_imif_addr; | |
4720 | s->port[tipb ].addr_valid = omap_validate_tipb_addr; | |
4721 | s->port[local ].addr_valid = omap_validate_local_addr; | |
4722 | s->port[tipb_mpui].addr_valid = omap_validate_tipb_mpui_addr; | |
4723 | ||
afbb5194 AZ |
4724 | /* Register SDRAM and SRAM DMA ports for fast transfers. */ |
4725 | soc_dma_port_add_mem_ram(s->dma, | |
4726 | emiff_base, OMAP_EMIFF_BASE, s->sdram_size); | |
4727 | soc_dma_port_add_mem_ram(s->dma, | |
4728 | imif_base, OMAP_IMIF_BASE, s->sram_size); | |
4729 | ||
c3d2689d AZ |
4730 | s->timer[0] = omap_mpu_timer_init(0xfffec500, |
4731 | s->irq[0][OMAP_INT_TIMER1], | |
4732 | omap_findclk(s, "mputim_ck")); | |
4733 | s->timer[1] = omap_mpu_timer_init(0xfffec600, | |
4734 | s->irq[0][OMAP_INT_TIMER2], | |
4735 | omap_findclk(s, "mputim_ck")); | |
4736 | s->timer[2] = omap_mpu_timer_init(0xfffec700, | |
4737 | s->irq[0][OMAP_INT_TIMER3], | |
4738 | omap_findclk(s, "mputim_ck")); | |
4739 | ||
4740 | s->wdt = omap_wd_timer_init(0xfffec800, | |
4741 | s->irq[0][OMAP_INT_WD_TIMER], | |
4742 | omap_findclk(s, "armwdt_ck")); | |
4743 | ||
4744 | s->os_timer = omap_os_timer_init(0xfffb9000, | |
4745 | s->irq[1][OMAP_INT_OS_TIMER], | |
4746 | omap_findclk(s, "clk32-kHz")); | |
4747 | ||
4748 | s->lcd = omap_lcdc_init(0xfffec000, s->irq[0][OMAP_INT_LCD_CTRL], | |
b4e3104b | 4749 | omap_dma_get_lcdch(s->dma), ds, imif_base, emiff_base, |
c3d2689d AZ |
4750 | omap_findclk(s, "lcd_ck")); |
4751 | ||
4752 | omap_ulpd_pm_init(0xfffe0800, s); | |
4753 | omap_pin_cfg_init(0xfffe1000, s); | |
4754 | omap_id_init(s); | |
4755 | ||
4756 | omap_mpui_init(0xfffec900, s); | |
4757 | ||
4758 | s->private_tipb = omap_tipb_bridge_init(0xfffeca00, | |
4759 | s->irq[0][OMAP_INT_BRIDGE_PRIV], | |
4760 | omap_findclk(s, "tipb_ck")); | |
4761 | s->public_tipb = omap_tipb_bridge_init(0xfffed300, | |
4762 | s->irq[0][OMAP_INT_BRIDGE_PUB], | |
4763 | omap_findclk(s, "tipb_ck")); | |
4764 | ||
4765 | omap_tcmi_init(0xfffecc00, s); | |
4766 | ||
d951f6ff | 4767 | s->uart[0] = omap_uart_init(0xfffb0000, s->irq[1][OMAP_INT_UART1], |
c3d2689d | 4768 | omap_findclk(s, "uart1_ck"), |
827df9f3 AZ |
4769 | omap_findclk(s, "uart1_ck"), |
4770 | s->drq[OMAP_DMA_UART1_TX], s->drq[OMAP_DMA_UART1_RX], | |
c3d2689d | 4771 | serial_hds[0]); |
d951f6ff | 4772 | s->uart[1] = omap_uart_init(0xfffb0800, s->irq[1][OMAP_INT_UART2], |
c3d2689d | 4773 | omap_findclk(s, "uart2_ck"), |
827df9f3 AZ |
4774 | omap_findclk(s, "uart2_ck"), |
4775 | s->drq[OMAP_DMA_UART2_TX], s->drq[OMAP_DMA_UART2_RX], | |
c3d2689d | 4776 | serial_hds[0] ? serial_hds[1] : 0); |
d951f6ff | 4777 | s->uart[2] = omap_uart_init(0xe1019800, s->irq[0][OMAP_INT_UART3], |
c3d2689d | 4778 | omap_findclk(s, "uart3_ck"), |
827df9f3 AZ |
4779 | omap_findclk(s, "uart3_ck"), |
4780 | s->drq[OMAP_DMA_UART3_TX], s->drq[OMAP_DMA_UART3_RX], | |
c3d2689d AZ |
4781 | serial_hds[0] && serial_hds[1] ? serial_hds[2] : 0); |
4782 | ||
4783 | omap_dpll_init(&s->dpll[0], 0xfffecf00, omap_findclk(s, "dpll1")); | |
4784 | omap_dpll_init(&s->dpll[1], 0xfffed000, omap_findclk(s, "dpll2")); | |
4785 | omap_dpll_init(&s->dpll[2], 0xfffed100, omap_findclk(s, "dpll3")); | |
4786 | ||
9d413d1d AZ |
4787 | sdindex = drive_get_index(IF_SD, 0, 0); |
4788 | if (sdindex == -1) { | |
e4bcb14c TS |
4789 | fprintf(stderr, "qemu: missing SecureDigital device\n"); |
4790 | exit(1); | |
4791 | } | |
9d413d1d AZ |
4792 | s->mmc = omap_mmc_init(0xfffb7800, drives_table[sdindex].bdrv, |
4793 | s->irq[1][OMAP_INT_OQN], &s->drq[OMAP_DMA_MMC_TX], | |
4794 | omap_findclk(s, "mmc_ck")); | |
b30bb3a2 | 4795 | |
fe71e81a AZ |
4796 | s->mpuio = omap_mpuio_init(0xfffb5000, |
4797 | s->irq[1][OMAP_INT_KEYBOARD], s->irq[1][OMAP_INT_MPUIO], | |
4798 | s->wakeup, omap_findclk(s, "clk32-kHz")); | |
4799 | ||
3efda49d | 4800 | s->gpio = omap_gpio_init(0xfffce000, s->irq[0][OMAP_INT_GPIO_BANK1], |
66450b15 | 4801 | omap_findclk(s, "arm_gpio_ck")); |
64330148 | 4802 | |
d951f6ff AZ |
4803 | s->microwire = omap_uwire_init(0xfffb3000, &s->irq[1][OMAP_INT_uWireTX], |
4804 | s->drq[OMAP_DMA_UWIRE_TX], omap_findclk(s, "mpuper_ck")); | |
4805 | ||
d8f699cb AZ |
4806 | omap_pwl_init(0xfffb5800, s, omap_findclk(s, "armxor_ck")); |
4807 | omap_pwt_init(0xfffb6000, s, omap_findclk(s, "armxor_ck")); | |
66450b15 | 4808 | |
827df9f3 | 4809 | s->i2c[0] = omap_i2c_init(0xfffb3800, s->irq[1][OMAP_INT_I2C], |
4a2c8ac2 AZ |
4810 | &s->drq[OMAP_DMA_I2C_RX], omap_findclk(s, "mpuper_ck")); |
4811 | ||
5c1c390f AZ |
4812 | s->rtc = omap_rtc_init(0xfffb4800, &s->irq[1][OMAP_INT_RTC_TIMER], |
4813 | omap_findclk(s, "clk32-kHz")); | |
02645926 | 4814 | |
d8f699cb AZ |
4815 | s->mcbsp1 = omap_mcbsp_init(0xfffb1800, &s->irq[1][OMAP_INT_McBSP1TX], |
4816 | &s->drq[OMAP_DMA_MCBSP1_TX], omap_findclk(s, "dspxor_ck")); | |
4817 | s->mcbsp2 = omap_mcbsp_init(0xfffb1000, &s->irq[0][OMAP_INT_310_McBSP2_TX], | |
4818 | &s->drq[OMAP_DMA_MCBSP2_TX], omap_findclk(s, "mpuper_ck")); | |
4819 | s->mcbsp3 = omap_mcbsp_init(0xfffb7000, &s->irq[1][OMAP_INT_McBSP3TX], | |
4820 | &s->drq[OMAP_DMA_MCBSP3_TX], omap_findclk(s, "dspxor_ck")); | |
4821 | ||
f9d43072 AZ |
4822 | s->led[0] = omap_lpg_init(0xfffbd000, omap_findclk(s, "clk32-kHz")); |
4823 | s->led[1] = omap_lpg_init(0xfffbd800, omap_findclk(s, "clk32-kHz")); | |
4824 | ||
02645926 | 4825 | /* Register mappings not currenlty implemented: |
02645926 AZ |
4826 | * MCSI2 Comm fffb2000 - fffb27ff (not mapped on OMAP310) |
4827 | * MCSI1 Bluetooth fffb2800 - fffb2fff (not mapped on OMAP310) | |
4828 | * USB W2FC fffb4000 - fffb47ff | |
4829 | * Camera Interface fffb6800 - fffb6fff | |
02645926 AZ |
4830 | * USB Host fffba000 - fffba7ff |
4831 | * FAC fffba800 - fffbafff | |
4832 | * HDQ/1-Wire fffbc000 - fffbc7ff | |
b854bc19 | 4833 | * TIPB switches fffbc800 - fffbcfff |
02645926 AZ |
4834 | * Mailbox fffcf000 - fffcf7ff |
4835 | * Local bus IF fffec100 - fffec1ff | |
4836 | * Local bus MMU fffec200 - fffec2ff | |
4837 | * DSP MMU fffed200 - fffed2ff | |
4838 | */ | |
4839 | ||
cf965d24 | 4840 | omap_setup_dsp_mapping(omap15xx_dsp_mm); |
f9d43072 | 4841 | omap_setup_mpui_io(s); |
cf965d24 | 4842 | |
827df9f3 | 4843 | qemu_register_reset(omap1_mpu_reset, s); |
c3d2689d AZ |
4844 | |
4845 | return s; | |
4846 | } |