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