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Merge remote-tracking branch 'remotes/dgilbert-gitlab/tags/pull-migration-20210726a...
[qemu/armbru.git] / hw / arm / pxa2xx.c
blob15a247efae2a3d91775dbbbe3c39c1958a1f5e0d
1 /*
2 * Intel XScale PXA255/270 processor support.
3 *
4 * Copyright (c) 2006 Openedhand Ltd.
5 * Written by Andrzej Zaborowski <balrog@zabor.org>
6 *
7 * This code is licensed under the GPL.
8 */
9
10 #include "qemu/osdep.h"
11 #include "qemu-common.h"
12 #include "qemu/error-report.h"
13 #include "qemu/module.h"
14 #include "qapi/error.h"
15 #include "cpu.h"
16 #include "hw/sysbus.h"
17 #include "migration/vmstate.h"
18 #include "hw/arm/pxa.h"
19 #include "sysemu/sysemu.h"
20 #include "hw/char/serial.h"
21 #include "hw/i2c/i2c.h"
22 #include "hw/irq.h"
23 #include "hw/qdev-properties.h"
24 #include "hw/qdev-properties-system.h"
25 #include "hw/ssi/ssi.h"
26 #include "hw/sd/sd.h"
27 #include "chardev/char-fe.h"
28 #include "sysemu/blockdev.h"
29 #include "sysemu/qtest.h"
30 #include "qemu/cutils.h"
31 #include "qemu/log.h"
32 #include "qom/object.h"
33
34 static struct {
35 hwaddr io_base;
36 int irqn;
37 } pxa255_serial[] = {
38 { 0x40100000, PXA2XX_PIC_FFUART },
39 { 0x40200000, PXA2XX_PIC_BTUART },
40 { 0x40700000, PXA2XX_PIC_STUART },
41 { 0x41600000, PXA25X_PIC_HWUART },
42 { 0, 0 }
43 }, pxa270_serial[] = {
44 { 0x40100000, PXA2XX_PIC_FFUART },
45 { 0x40200000, PXA2XX_PIC_BTUART },
46 { 0x40700000, PXA2XX_PIC_STUART },
47 { 0, 0 }
48 };
49
50 typedef struct PXASSPDef {
51 hwaddr io_base;
52 int irqn;
53 } PXASSPDef;
54
55 #if 0
56 static PXASSPDef pxa250_ssp[] = {
57 { 0x41000000, PXA2XX_PIC_SSP },
58 { 0, 0 }
59 };
60 #endif
61
62 static PXASSPDef pxa255_ssp[] = {
63 { 0x41000000, PXA2XX_PIC_SSP },
64 { 0x41400000, PXA25X_PIC_NSSP },
65 { 0, 0 }
66 };
67
68 #if 0
69 static PXASSPDef pxa26x_ssp[] = {
70 { 0x41000000, PXA2XX_PIC_SSP },
71 { 0x41400000, PXA25X_PIC_NSSP },
72 { 0x41500000, PXA26X_PIC_ASSP },
73 { 0, 0 }
74 };
75 #endif
76
77 static PXASSPDef pxa27x_ssp[] = {
78 { 0x41000000, PXA2XX_PIC_SSP },
79 { 0x41700000, PXA27X_PIC_SSP2 },
80 { 0x41900000, PXA2XX_PIC_SSP3 },
81 { 0, 0 }
82 };
83
84 #define PMCR 0x00 /* Power Manager Control register */
85 #define PSSR 0x04 /* Power Manager Sleep Status register */
86 #define PSPR 0x08 /* Power Manager Scratch-Pad register */
87 #define PWER 0x0c /* Power Manager Wake-Up Enable register */
88 #define PRER 0x10 /* Power Manager Rising-Edge Detect Enable register */
89 #define PFER 0x14 /* Power Manager Falling-Edge Detect Enable register */
90 #define PEDR 0x18 /* Power Manager Edge-Detect Status register */
91 #define PCFR 0x1c /* Power Manager General Configuration register */
92 #define PGSR0 0x20 /* Power Manager GPIO Sleep-State register 0 */
93 #define PGSR1 0x24 /* Power Manager GPIO Sleep-State register 1 */
94 #define PGSR2 0x28 /* Power Manager GPIO Sleep-State register 2 */
95 #define PGSR3 0x2c /* Power Manager GPIO Sleep-State register 3 */
96 #define RCSR 0x30 /* Reset Controller Status register */
97 #define PSLR 0x34 /* Power Manager Sleep Configuration register */
98 #define PTSR 0x38 /* Power Manager Standby Configuration register */
99 #define PVCR 0x40 /* Power Manager Voltage Change Control register */
100 #define PUCR 0x4c /* Power Manager USIM Card Control/Status register */
101 #define PKWR 0x50 /* Power Manager Keyboard Wake-Up Enable register */
102 #define PKSR 0x54 /* Power Manager Keyboard Level-Detect Status */
103 #define PCMD0 0x80 /* Power Manager I2C Command register File 0 */
104 #define PCMD31 0xfc /* Power Manager I2C Command register File 31 */
105
106 static uint64_t pxa2xx_pm_read(void *opaque, hwaddr addr,
107 unsigned size)
108 {
109 PXA2xxState *s = (PXA2xxState *) opaque;
110
111 switch (addr) {
112 case PMCR ... PCMD31:
113 if (addr & 3)
114 goto fail;
115
116 return s->pm_regs[addr >> 2];
117 default:
118 fail:
119 qemu_log_mask(LOG_GUEST_ERROR,
120 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
121 __func__, addr);
122 break;
123 }
124 return 0;
125 }
126
127 static void pxa2xx_pm_write(void *opaque, hwaddr addr,
128 uint64_t value, unsigned size)
129 {
130 PXA2xxState *s = (PXA2xxState *) opaque;
131
132 switch (addr) {
133 case PMCR:
134 /* Clear the write-one-to-clear bits... */
135 s->pm_regs[addr >> 2] &= ~(value & 0x2a);
136 /* ...and set the plain r/w bits */
137 s->pm_regs[addr >> 2] &= ~0x15;
138 s->pm_regs[addr >> 2] |= value & 0x15;
139 break;
140
141 case PSSR: /* Read-clean registers */
142 case RCSR:
143 case PKSR:
144 s->pm_regs[addr >> 2] &= ~value;
145 break;
146
147 default: /* Read-write registers */
148 if (!(addr & 3)) {
149 s->pm_regs[addr >> 2] = value;
150 break;
151 }
152 qemu_log_mask(LOG_GUEST_ERROR,
153 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
154 __func__, addr);
155 break;
156 }
157 }
158
159 static const MemoryRegionOps pxa2xx_pm_ops = {
160 .read = pxa2xx_pm_read,
161 .write = pxa2xx_pm_write,
162 .endianness = DEVICE_NATIVE_ENDIAN,
163 };
164
165 static const VMStateDescription vmstate_pxa2xx_pm = {
166 .name = "pxa2xx_pm",
167 .version_id = 0,
168 .minimum_version_id = 0,
169 .fields = (VMStateField[]) {
170 VMSTATE_UINT32_ARRAY(pm_regs, PXA2xxState, 0x40),
171 VMSTATE_END_OF_LIST()
172 }
173 };
174
175 #define CCCR 0x00 /* Core Clock Configuration register */
176 #define CKEN 0x04 /* Clock Enable register */
177 #define OSCC 0x08 /* Oscillator Configuration register */
178 #define CCSR 0x0c /* Core Clock Status register */
179
180 static uint64_t pxa2xx_cm_read(void *opaque, hwaddr addr,
181 unsigned size)
182 {
183 PXA2xxState *s = (PXA2xxState *) opaque;
184
185 switch (addr) {
186 case CCCR:
187 case CKEN:
188 case OSCC:
189 return s->cm_regs[addr >> 2];
190
191 case CCSR:
192 return s->cm_regs[CCCR >> 2] | (3 << 28);
193
194 default:
195 qemu_log_mask(LOG_GUEST_ERROR,
196 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
197 __func__, addr);
198 break;
199 }
200 return 0;
201 }
202
203 static void pxa2xx_cm_write(void *opaque, hwaddr addr,
204 uint64_t value, unsigned size)
205 {
206 PXA2xxState *s = (PXA2xxState *) opaque;
207
208 switch (addr) {
209 case CCCR:
210 case CKEN:
211 s->cm_regs[addr >> 2] = value;
212 break;
213
214 case OSCC:
215 s->cm_regs[addr >> 2] &= ~0x6c;
216 s->cm_regs[addr >> 2] |= value & 0x6e;
217 if ((value >> 1) & 1) /* OON */
218 s->cm_regs[addr >> 2] |= 1 << 0; /* Oscillator is now stable */
219 break;
220
221 default:
222 qemu_log_mask(LOG_GUEST_ERROR,
223 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
224 __func__, addr);
225 break;
226 }
227 }
228
229 static const MemoryRegionOps pxa2xx_cm_ops = {
230 .read = pxa2xx_cm_read,
231 .write = pxa2xx_cm_write,
232 .endianness = DEVICE_NATIVE_ENDIAN,
233 };
234
235 static const VMStateDescription vmstate_pxa2xx_cm = {
236 .name = "pxa2xx_cm",
237 .version_id = 0,
238 .minimum_version_id = 0,
239 .fields = (VMStateField[]) {
240 VMSTATE_UINT32_ARRAY(cm_regs, PXA2xxState, 4),
241 VMSTATE_UINT32(clkcfg, PXA2xxState),
242 VMSTATE_UINT32(pmnc, PXA2xxState),
243 VMSTATE_END_OF_LIST()
244 }
245 };
246
247 static uint64_t pxa2xx_clkcfg_read(CPUARMState *env, const ARMCPRegInfo *ri)
248 {
249 PXA2xxState *s = (PXA2xxState *)ri->opaque;
250 return s->clkcfg;
251 }
252
253 static void pxa2xx_clkcfg_write(CPUARMState *env, const ARMCPRegInfo *ri,
254 uint64_t value)
255 {
256 PXA2xxState *s = (PXA2xxState *)ri->opaque;
257 s->clkcfg = value & 0xf;
258 if (value & 2) {
259 printf("%s: CPU frequency change attempt\n", __func__);
260 }
261 }
262
263 static void pxa2xx_pwrmode_write(CPUARMState *env, const ARMCPRegInfo *ri,
264 uint64_t value)
265 {
266 PXA2xxState *s = (PXA2xxState *)ri->opaque;
267 static const char *pwrmode[8] = {
268 "Normal", "Idle", "Deep-idle", "Standby",
269 "Sleep", "reserved (!)", "reserved (!)", "Deep-sleep",
270 };
271
272 if (value & 8) {
273 printf("%s: CPU voltage change attempt\n", __func__);
274 }
275 switch (value & 7) {
276 case 0:
277 /* Do nothing */
278 break;
279
280 case 1:
281 /* Idle */
282 if (!(s->cm_regs[CCCR >> 2] & (1U << 31))) { /* CPDIS */
283 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
284 break;
285 }
286 /* Fall through. */
287
288 case 2:
289 /* Deep-Idle */
290 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
291 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
292 goto message;
293
294 case 3:
295 s->cpu->env.uncached_cpsr = ARM_CPU_MODE_SVC;
296 s->cpu->env.daif = PSTATE_A | PSTATE_F | PSTATE_I;
297 s->cpu->env.cp15.sctlr_ns = 0;
298 s->cpu->env.cp15.cpacr_el1 = 0;
299 s->cpu->env.cp15.ttbr0_el[1] = 0;
300 s->cpu->env.cp15.dacr_ns = 0;
301 s->pm_regs[PSSR >> 2] |= 0x8; /* Set STS */
302 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
303
304 /*
305 * The scratch-pad register is almost universally used
306 * for storing the return address on suspend. For the
307 * lack of a resuming bootloader, perform a jump
308 * directly to that address.
309 */
310 memset(s->cpu->env.regs, 0, 4 * 15);
311 s->cpu->env.regs[15] = s->pm_regs[PSPR >> 2];
312
313 #if 0
314 buffer = 0xe59ff000; /* ldr pc, [pc, #0] */
315 cpu_physical_memory_write(0, &buffer, 4);
316 buffer = s->pm_regs[PSPR >> 2];
317 cpu_physical_memory_write(8, &buffer, 4);
318 #endif
319
320 /* Suspend */
321 cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT);
322
323 goto message;
324
325 default:
326 message:
327 printf("%s: machine entered %s mode\n", __func__,
328 pwrmode[value & 7]);
329 }
330 }
331
332 static uint64_t pxa2xx_cppmnc_read(CPUARMState *env, const ARMCPRegInfo *ri)
333 {
334 PXA2xxState *s = (PXA2xxState *)ri->opaque;
335 return s->pmnc;
336 }
337
338 static void pxa2xx_cppmnc_write(CPUARMState *env, const ARMCPRegInfo *ri,
339 uint64_t value)
340 {
341 PXA2xxState *s = (PXA2xxState *)ri->opaque;
342 s->pmnc = value;
343 }
344
345 static uint64_t pxa2xx_cpccnt_read(CPUARMState *env, const ARMCPRegInfo *ri)
346 {
347 PXA2xxState *s = (PXA2xxState *)ri->opaque;
348 if (s->pmnc & 1) {
349 return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
350 } else {
351 return 0;
352 }
353 }
354
355 static const ARMCPRegInfo pxa_cp_reginfo[] = {
356 /* cp14 crm==1: perf registers */
357 { .name = "CPPMNC", .cp = 14, .crn = 0, .crm = 1, .opc1 = 0, .opc2 = 0,
358 .access = PL1_RW, .type = ARM_CP_IO,
359 .readfn = pxa2xx_cppmnc_read, .writefn = pxa2xx_cppmnc_write },
360 { .name = "CPCCNT", .cp = 14, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0,
361 .access = PL1_RW, .type = ARM_CP_IO,
362 .readfn = pxa2xx_cpccnt_read, .writefn = arm_cp_write_ignore },
363 { .name = "CPINTEN", .cp = 14, .crn = 4, .crm = 1, .opc1 = 0, .opc2 = 0,
364 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
365 { .name = "CPFLAG", .cp = 14, .crn = 5, .crm = 1, .opc1 = 0, .opc2 = 0,
366 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
367 { .name = "CPEVTSEL", .cp = 14, .crn = 8, .crm = 1, .opc1 = 0, .opc2 = 0,
368 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
369 /* cp14 crm==2: performance count registers */
370 { .name = "CPPMN0", .cp = 14, .crn = 0, .crm = 2, .opc1 = 0, .opc2 = 0,
371 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
372 { .name = "CPPMN1", .cp = 14, .crn = 1, .crm = 2, .opc1 = 0, .opc2 = 0,
373 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
374 { .name = "CPPMN2", .cp = 14, .crn = 2, .crm = 2, .opc1 = 0, .opc2 = 0,
375 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
376 { .name = "CPPMN3", .cp = 14, .crn = 2, .crm = 3, .opc1 = 0, .opc2 = 0,
377 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
378 /* cp14 crn==6: CLKCFG */
379 { .name = "CLKCFG", .cp = 14, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 0,
380 .access = PL1_RW, .type = ARM_CP_IO,
381 .readfn = pxa2xx_clkcfg_read, .writefn = pxa2xx_clkcfg_write },
382 /* cp14 crn==7: PWRMODE */
383 { .name = "PWRMODE", .cp = 14, .crn = 7, .crm = 0, .opc1 = 0, .opc2 = 0,
384 .access = PL1_RW, .type = ARM_CP_IO,
385 .readfn = arm_cp_read_zero, .writefn = pxa2xx_pwrmode_write },
386 REGINFO_SENTINEL
387 };
388
389 static void pxa2xx_setup_cp14(PXA2xxState *s)
390 {
391 define_arm_cp_regs_with_opaque(s->cpu, pxa_cp_reginfo, s);
392 }
393
394 #define MDCNFG 0x00 /* SDRAM Configuration register */
395 #define MDREFR 0x04 /* SDRAM Refresh Control register */
396 #define MSC0 0x08 /* Static Memory Control register 0 */
397 #define MSC1 0x0c /* Static Memory Control register 1 */
398 #define MSC2 0x10 /* Static Memory Control register 2 */
399 #define MECR 0x14 /* Expansion Memory Bus Config register */
400 #define SXCNFG 0x1c /* Synchronous Static Memory Config register */
401 #define MCMEM0 0x28 /* PC Card Memory Socket 0 Timing register */
402 #define MCMEM1 0x2c /* PC Card Memory Socket 1 Timing register */
403 #define MCATT0 0x30 /* PC Card Attribute Socket 0 register */
404 #define MCATT1 0x34 /* PC Card Attribute Socket 1 register */
405 #define MCIO0 0x38 /* PC Card I/O Socket 0 Timing register */
406 #define MCIO1 0x3c /* PC Card I/O Socket 1 Timing register */
407 #define MDMRS 0x40 /* SDRAM Mode Register Set Config register */
408 #define BOOT_DEF 0x44 /* Boot-time Default Configuration register */
409 #define ARB_CNTL 0x48 /* Arbiter Control register */
410 #define BSCNTR0 0x4c /* Memory Buffer Strength Control register 0 */
411 #define BSCNTR1 0x50 /* Memory Buffer Strength Control register 1 */
412 #define LCDBSCNTR 0x54 /* LCD Buffer Strength Control register */
413 #define MDMRSLP 0x58 /* Low Power SDRAM Mode Set Config register */
414 #define BSCNTR2 0x5c /* Memory Buffer Strength Control register 2 */
415 #define BSCNTR3 0x60 /* Memory Buffer Strength Control register 3 */
416 #define SA1110 0x64 /* SA-1110 Memory Compatibility register */
417
418 static uint64_t pxa2xx_mm_read(void *opaque, hwaddr addr,
419 unsigned size)
420 {
421 PXA2xxState *s = (PXA2xxState *) opaque;
422
423 switch (addr) {
424 case MDCNFG ... SA1110:
425 if ((addr & 3) == 0)
426 return s->mm_regs[addr >> 2];
427 /* fall through */
428 default:
429 qemu_log_mask(LOG_GUEST_ERROR,
430 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
431 __func__, addr);
432 break;
433 }
434 return 0;
435 }
436
437 static void pxa2xx_mm_write(void *opaque, hwaddr addr,
438 uint64_t value, unsigned size)
439 {
440 PXA2xxState *s = (PXA2xxState *) opaque;
441
442 switch (addr) {
443 case MDCNFG ... SA1110:
444 if ((addr & 3) == 0) {
445 s->mm_regs[addr >> 2] = value;
446 break;
447 }
448 /* fallthrough */
449 default:
450 qemu_log_mask(LOG_GUEST_ERROR,
451 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
452 __func__, addr);
453 break;
454 }
455 }
456
457 static const MemoryRegionOps pxa2xx_mm_ops = {
458 .read = pxa2xx_mm_read,
459 .write = pxa2xx_mm_write,
460 .endianness = DEVICE_NATIVE_ENDIAN,
461 };
462
463 static const VMStateDescription vmstate_pxa2xx_mm = {
464 .name = "pxa2xx_mm",
465 .version_id = 0,
466 .minimum_version_id = 0,
467 .fields = (VMStateField[]) {
468 VMSTATE_UINT32_ARRAY(mm_regs, PXA2xxState, 0x1a),
469 VMSTATE_END_OF_LIST()
470 }
471 };
472
473 #define TYPE_PXA2XX_SSP "pxa2xx-ssp"
474 OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxSSPState, PXA2XX_SSP)
475
476 /* Synchronous Serial Ports */
477 struct PXA2xxSSPState {
478 /*< private >*/
479 SysBusDevice parent_obj;
480 /*< public >*/
481
482 MemoryRegion iomem;
483 qemu_irq irq;
484 uint32_t enable;
485 SSIBus *bus;
486
487 uint32_t sscr[2];
488 uint32_t sspsp;
489 uint32_t ssto;
490 uint32_t ssitr;
491 uint32_t sssr;
492 uint8_t sstsa;
493 uint8_t ssrsa;
494 uint8_t ssacd;
495
496 uint32_t rx_fifo[16];
497 uint32_t rx_level;
498 uint32_t rx_start;
499 };
500
501 static bool pxa2xx_ssp_vmstate_validate(void *opaque, int version_id)
502 {
503 PXA2xxSSPState *s = opaque;
504
505 return s->rx_start < sizeof(s->rx_fifo);
506 }
507
508 static const VMStateDescription vmstate_pxa2xx_ssp = {
509 .name = "pxa2xx-ssp",
510 .version_id = 1,
511 .minimum_version_id = 1,
512 .fields = (VMStateField[]) {
513 VMSTATE_UINT32(enable, PXA2xxSSPState),
514 VMSTATE_UINT32_ARRAY(sscr, PXA2xxSSPState, 2),
515 VMSTATE_UINT32(sspsp, PXA2xxSSPState),
516 VMSTATE_UINT32(ssto, PXA2xxSSPState),
517 VMSTATE_UINT32(ssitr, PXA2xxSSPState),
518 VMSTATE_UINT32(sssr, PXA2xxSSPState),
519 VMSTATE_UINT8(sstsa, PXA2xxSSPState),
520 VMSTATE_UINT8(ssrsa, PXA2xxSSPState),
521 VMSTATE_UINT8(ssacd, PXA2xxSSPState),
522 VMSTATE_UINT32(rx_level, PXA2xxSSPState),
523 VMSTATE_UINT32(rx_start, PXA2xxSSPState),
524 VMSTATE_VALIDATE("fifo is 16 bytes", pxa2xx_ssp_vmstate_validate),
525 VMSTATE_UINT32_ARRAY(rx_fifo, PXA2xxSSPState, 16),
526 VMSTATE_END_OF_LIST()
527 }
528 };
529
530 #define SSCR0 0x00 /* SSP Control register 0 */
531 #define SSCR1 0x04 /* SSP Control register 1 */
532 #define SSSR 0x08 /* SSP Status register */
533 #define SSITR 0x0c /* SSP Interrupt Test register */
534 #define SSDR 0x10 /* SSP Data register */
535 #define SSTO 0x28 /* SSP Time-Out register */
536 #define SSPSP 0x2c /* SSP Programmable Serial Protocol register */
537 #define SSTSA 0x30 /* SSP TX Time Slot Active register */
538 #define SSRSA 0x34 /* SSP RX Time Slot Active register */
539 #define SSTSS 0x38 /* SSP Time Slot Status register */
540 #define SSACD 0x3c /* SSP Audio Clock Divider register */
541
542 /* Bitfields for above registers */
543 #define SSCR0_SPI(x) (((x) & 0x30) == 0x00)
544 #define SSCR0_SSP(x) (((x) & 0x30) == 0x10)
545 #define SSCR0_UWIRE(x) (((x) & 0x30) == 0x20)
546 #define SSCR0_PSP(x) (((x) & 0x30) == 0x30)
547 #define SSCR0_SSE (1 << 7)
548 #define SSCR0_RIM (1 << 22)
549 #define SSCR0_TIM (1 << 23)
550 #define SSCR0_MOD (1U << 31)
551 #define SSCR0_DSS(x) (((((x) >> 16) & 0x10) | ((x) & 0xf)) + 1)
552 #define SSCR1_RIE (1 << 0)
553 #define SSCR1_TIE (1 << 1)
554 #define SSCR1_LBM (1 << 2)
555 #define SSCR1_MWDS (1 << 5)
556 #define SSCR1_TFT(x) ((((x) >> 6) & 0xf) + 1)
557 #define SSCR1_RFT(x) ((((x) >> 10) & 0xf) + 1)
558 #define SSCR1_EFWR (1 << 14)
559 #define SSCR1_PINTE (1 << 18)
560 #define SSCR1_TINTE (1 << 19)
561 #define SSCR1_RSRE (1 << 20)
562 #define SSCR1_TSRE (1 << 21)
563 #define SSCR1_EBCEI (1 << 29)
564 #define SSITR_INT (7 << 5)
565 #define SSSR_TNF (1 << 2)
566 #define SSSR_RNE (1 << 3)
567 #define SSSR_TFS (1 << 5)
568 #define SSSR_RFS (1 << 6)
569 #define SSSR_ROR (1 << 7)
570 #define SSSR_PINT (1 << 18)
571 #define SSSR_TINT (1 << 19)
572 #define SSSR_EOC (1 << 20)
573 #define SSSR_TUR (1 << 21)
574 #define SSSR_BCE (1 << 23)
575 #define SSSR_RW 0x00bc0080
576
577 static void pxa2xx_ssp_int_update(PXA2xxSSPState *s)
578 {
579 int level = 0;
580
581 level |= s->ssitr & SSITR_INT;
582 level |= (s->sssr & SSSR_BCE) && (s->sscr[1] & SSCR1_EBCEI);
583 level |= (s->sssr & SSSR_TUR) && !(s->sscr[0] & SSCR0_TIM);
584 level |= (s->sssr & SSSR_EOC) && (s->sssr & (SSSR_TINT | SSSR_PINT));
585 level |= (s->sssr & SSSR_TINT) && (s->sscr[1] & SSCR1_TINTE);
586 level |= (s->sssr & SSSR_PINT) && (s->sscr[1] & SSCR1_PINTE);
587 level |= (s->sssr & SSSR_ROR) && !(s->sscr[0] & SSCR0_RIM);
588 level |= (s->sssr & SSSR_RFS) && (s->sscr[1] & SSCR1_RIE);
589 level |= (s->sssr & SSSR_TFS) && (s->sscr[1] & SSCR1_TIE);
590 qemu_set_irq(s->irq, !!level);
591 }
592
593 static void pxa2xx_ssp_fifo_update(PXA2xxSSPState *s)
594 {
595 s->sssr &= ~(0xf << 12); /* Clear RFL */
596 s->sssr &= ~(0xf << 8); /* Clear TFL */
597 s->sssr &= ~SSSR_TFS;
598 s->sssr &= ~SSSR_TNF;
599 if (s->enable) {
600 s->sssr |= ((s->rx_level - 1) & 0xf) << 12;
601 if (s->rx_level >= SSCR1_RFT(s->sscr[1]))
602 s->sssr |= SSSR_RFS;
603 else
604 s->sssr &= ~SSSR_RFS;
605 if (s->rx_level)
606 s->sssr |= SSSR_RNE;
607 else
608 s->sssr &= ~SSSR_RNE;
609 /* TX FIFO is never filled, so it is always in underrun
610 condition if SSP is enabled */
611 s->sssr |= SSSR_TFS;
612 s->sssr |= SSSR_TNF;
613 }
614
615 pxa2xx_ssp_int_update(s);
616 }
617
618 static uint64_t pxa2xx_ssp_read(void *opaque, hwaddr addr,
619 unsigned size)
620 {
621 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
622 uint32_t retval;
623
624 switch (addr) {
625 case SSCR0:
626 return s->sscr[0];
627 case SSCR1:
628 return s->sscr[1];
629 case SSPSP:
630 return s->sspsp;
631 case SSTO:
632 return s->ssto;
633 case SSITR:
634 return s->ssitr;
635 case SSSR:
636 return s->sssr | s->ssitr;
637 case SSDR:
638 if (!s->enable)
639 return 0xffffffff;
640 if (s->rx_level < 1) {
641 printf("%s: SSP Rx Underrun\n", __func__);
642 return 0xffffffff;
643 }
644 s->rx_level --;
645 retval = s->rx_fifo[s->rx_start ++];
646 s->rx_start &= 0xf;
647 pxa2xx_ssp_fifo_update(s);
648 return retval;
649 case SSTSA:
650 return s->sstsa;
651 case SSRSA:
652 return s->ssrsa;
653 case SSTSS:
654 return 0;
655 case SSACD:
656 return s->ssacd;
657 default:
658 qemu_log_mask(LOG_GUEST_ERROR,
659 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
660 __func__, addr);
661 break;
662 }
663 return 0;
664 }
665
666 static void pxa2xx_ssp_write(void *opaque, hwaddr addr,
667 uint64_t value64, unsigned size)
668 {
669 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
670 uint32_t value = value64;
671
672 switch (addr) {
673 case SSCR0:
674 s->sscr[0] = value & 0xc7ffffff;
675 s->enable = value & SSCR0_SSE;
676 if (value & SSCR0_MOD)
677 printf("%s: Attempt to use network mode\n", __func__);
678 if (s->enable && SSCR0_DSS(value) < 4)
679 printf("%s: Wrong data size: %u bits\n", __func__,
680 SSCR0_DSS(value));
681 if (!(value & SSCR0_SSE)) {
682 s->sssr = 0;
683 s->ssitr = 0;
684 s->rx_level = 0;
685 }
686 pxa2xx_ssp_fifo_update(s);
687 break;
688
689 case SSCR1:
690 s->sscr[1] = value;
691 if (value & (SSCR1_LBM | SSCR1_EFWR))
692 printf("%s: Attempt to use SSP test mode\n", __func__);
693 pxa2xx_ssp_fifo_update(s);
694 break;
695
696 case SSPSP:
697 s->sspsp = value;
698 break;
699
700 case SSTO:
701 s->ssto = value;
702 break;
703
704 case SSITR:
705 s->ssitr = value & SSITR_INT;
706 pxa2xx_ssp_int_update(s);
707 break;
708
709 case SSSR:
710 s->sssr &= ~(value & SSSR_RW);
711 pxa2xx_ssp_int_update(s);
712 break;
713
714 case SSDR:
715 if (SSCR0_UWIRE(s->sscr[0])) {
716 if (s->sscr[1] & SSCR1_MWDS)
717 value &= 0xffff;
718 else
719 value &= 0xff;
720 } else
721 /* Note how 32bits overflow does no harm here */
722 value &= (1 << SSCR0_DSS(s->sscr[0])) - 1;
723
724 /* Data goes from here to the Tx FIFO and is shifted out from
725 * there directly to the slave, no need to buffer it.
726 */
727 if (s->enable) {
728 uint32_t readval;
729 readval = ssi_transfer(s->bus, value);
730 if (s->rx_level < 0x10) {
731 s->rx_fifo[(s->rx_start + s->rx_level ++) & 0xf] = readval;
732 } else {
733 s->sssr |= SSSR_ROR;
734 }
735 }
736 pxa2xx_ssp_fifo_update(s);
737 break;
738
739 case SSTSA:
740 s->sstsa = value;
741 break;
742
743 case SSRSA:
744 s->ssrsa = value;
745 break;
746
747 case SSACD:
748 s->ssacd = value;
749 break;
750
751 default:
752 qemu_log_mask(LOG_GUEST_ERROR,
753 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
754 __func__, addr);
755 break;
756 }
757 }
758
759 static const MemoryRegionOps pxa2xx_ssp_ops = {
760 .read = pxa2xx_ssp_read,
761 .write = pxa2xx_ssp_write,
762 .endianness = DEVICE_NATIVE_ENDIAN,
763 };
764
765 static void pxa2xx_ssp_reset(DeviceState *d)
766 {
767 PXA2xxSSPState *s = PXA2XX_SSP(d);
768
769 s->enable = 0;
770 s->sscr[0] = s->sscr[1] = 0;
771 s->sspsp = 0;
772 s->ssto = 0;
773 s->ssitr = 0;
774 s->sssr = 0;
775 s->sstsa = 0;
776 s->ssrsa = 0;
777 s->ssacd = 0;
778 s->rx_start = s->rx_level = 0;
779 }
780
781 static void pxa2xx_ssp_init(Object *obj)
782 {
783 DeviceState *dev = DEVICE(obj);
784 PXA2xxSSPState *s = PXA2XX_SSP(obj);
785 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
786 sysbus_init_irq(sbd, &s->irq);
787
788 memory_region_init_io(&s->iomem, obj, &pxa2xx_ssp_ops, s,
789 "pxa2xx-ssp", 0x1000);
790 sysbus_init_mmio(sbd, &s->iomem);
791
792 s->bus = ssi_create_bus(dev, "ssi");
793 }
794
795 /* Real-Time Clock */
796 #define RCNR 0x00 /* RTC Counter register */
797 #define RTAR 0x04 /* RTC Alarm register */
798 #define RTSR 0x08 /* RTC Status register */
799 #define RTTR 0x0c /* RTC Timer Trim register */
800 #define RDCR 0x10 /* RTC Day Counter register */
801 #define RYCR 0x14 /* RTC Year Counter register */
802 #define RDAR1 0x18 /* RTC Wristwatch Day Alarm register 1 */
803 #define RYAR1 0x1c /* RTC Wristwatch Year Alarm register 1 */
804 #define RDAR2 0x20 /* RTC Wristwatch Day Alarm register 2 */
805 #define RYAR2 0x24 /* RTC Wristwatch Year Alarm register 2 */
806 #define SWCR 0x28 /* RTC Stopwatch Counter register */
807 #define SWAR1 0x2c /* RTC Stopwatch Alarm register 1 */
808 #define SWAR2 0x30 /* RTC Stopwatch Alarm register 2 */
809 #define RTCPICR 0x34 /* RTC Periodic Interrupt Counter register */
810 #define PIAR 0x38 /* RTC Periodic Interrupt Alarm register */
811
812 #define TYPE_PXA2XX_RTC "pxa2xx_rtc"
813 OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxRTCState, PXA2XX_RTC)
814
815 struct PXA2xxRTCState {
816 /*< private >*/
817 SysBusDevice parent_obj;
818 /*< public >*/
819
820 MemoryRegion iomem;
821 uint32_t rttr;
822 uint32_t rtsr;
823 uint32_t rtar;
824 uint32_t rdar1;
825 uint32_t rdar2;
826 uint32_t ryar1;
827 uint32_t ryar2;
828 uint32_t swar1;
829 uint32_t swar2;
830 uint32_t piar;
831 uint32_t last_rcnr;
832 uint32_t last_rdcr;
833 uint32_t last_rycr;
834 uint32_t last_swcr;
835 uint32_t last_rtcpicr;
836 int64_t last_hz;
837 int64_t last_sw;
838 int64_t last_pi;
839 QEMUTimer *rtc_hz;
840 QEMUTimer *rtc_rdal1;
841 QEMUTimer *rtc_rdal2;
842 QEMUTimer *rtc_swal1;
843 QEMUTimer *rtc_swal2;
844 QEMUTimer *rtc_pi;
845 qemu_irq rtc_irq;
846 };
847
848 static inline void pxa2xx_rtc_int_update(PXA2xxRTCState *s)
849 {
850 qemu_set_irq(s->rtc_irq, !!(s->rtsr & 0x2553));
851 }
852
853 static void pxa2xx_rtc_hzupdate(PXA2xxRTCState *s)
854 {
855 int64_t rt = qemu_clock_get_ms(rtc_clock);
856 s->last_rcnr += ((rt - s->last_hz) << 15) /
857 (1000 * ((s->rttr & 0xffff) + 1));
858 s->last_rdcr += ((rt - s->last_hz) << 15) /
859 (1000 * ((s->rttr & 0xffff) + 1));
860 s->last_hz = rt;
861 }
862
863 static void pxa2xx_rtc_swupdate(PXA2xxRTCState *s)
864 {
865 int64_t rt = qemu_clock_get_ms(rtc_clock);
866 if (s->rtsr & (1 << 12))
867 s->last_swcr += (rt - s->last_sw) / 10;
868 s->last_sw = rt;
869 }
870
871 static void pxa2xx_rtc_piupdate(PXA2xxRTCState *s)
872 {
873 int64_t rt = qemu_clock_get_ms(rtc_clock);
874 if (s->rtsr & (1 << 15))
875 s->last_swcr += rt - s->last_pi;
876 s->last_pi = rt;
877 }
878
879 static inline void pxa2xx_rtc_alarm_update(PXA2xxRTCState *s,
880 uint32_t rtsr)
881 {
882 if ((rtsr & (1 << 2)) && !(rtsr & (1 << 0)))
883 timer_mod(s->rtc_hz, s->last_hz +
884 (((s->rtar - s->last_rcnr) * 1000 *
885 ((s->rttr & 0xffff) + 1)) >> 15));
886 else
887 timer_del(s->rtc_hz);
888
889 if ((rtsr & (1 << 5)) && !(rtsr & (1 << 4)))
890 timer_mod(s->rtc_rdal1, s->last_hz +
891 (((s->rdar1 - s->last_rdcr) * 1000 *
892 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
893 else
894 timer_del(s->rtc_rdal1);
895
896 if ((rtsr & (1 << 7)) && !(rtsr & (1 << 6)))
897 timer_mod(s->rtc_rdal2, s->last_hz +
898 (((s->rdar2 - s->last_rdcr) * 1000 *
899 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
900 else
901 timer_del(s->rtc_rdal2);
902
903 if ((rtsr & 0x1200) == 0x1200 && !(rtsr & (1 << 8)))
904 timer_mod(s->rtc_swal1, s->last_sw +
905 (s->swar1 - s->last_swcr) * 10); /* TODO: fixup */
906 else
907 timer_del(s->rtc_swal1);
908
909 if ((rtsr & 0x1800) == 0x1800 && !(rtsr & (1 << 10)))
910 timer_mod(s->rtc_swal2, s->last_sw +
911 (s->swar2 - s->last_swcr) * 10); /* TODO: fixup */
912 else
913 timer_del(s->rtc_swal2);
914
915 if ((rtsr & 0xc000) == 0xc000 && !(rtsr & (1 << 13)))
916 timer_mod(s->rtc_pi, s->last_pi +
917 (s->piar & 0xffff) - s->last_rtcpicr);
918 else
919 timer_del(s->rtc_pi);
920 }
921
922 static inline void pxa2xx_rtc_hz_tick(void *opaque)
923 {
924 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
925 s->rtsr |= (1 << 0);
926 pxa2xx_rtc_alarm_update(s, s->rtsr);
927 pxa2xx_rtc_int_update(s);
928 }
929
930 static inline void pxa2xx_rtc_rdal1_tick(void *opaque)
931 {
932 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
933 s->rtsr |= (1 << 4);
934 pxa2xx_rtc_alarm_update(s, s->rtsr);
935 pxa2xx_rtc_int_update(s);
936 }
937
938 static inline void pxa2xx_rtc_rdal2_tick(void *opaque)
939 {
940 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
941 s->rtsr |= (1 << 6);
942 pxa2xx_rtc_alarm_update(s, s->rtsr);
943 pxa2xx_rtc_int_update(s);
944 }
945
946 static inline void pxa2xx_rtc_swal1_tick(void *opaque)
947 {
948 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
949 s->rtsr |= (1 << 8);
950 pxa2xx_rtc_alarm_update(s, s->rtsr);
951 pxa2xx_rtc_int_update(s);
952 }
953
954 static inline void pxa2xx_rtc_swal2_tick(void *opaque)
955 {
956 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
957 s->rtsr |= (1 << 10);
958 pxa2xx_rtc_alarm_update(s, s->rtsr);
959 pxa2xx_rtc_int_update(s);
960 }
961
962 static inline void pxa2xx_rtc_pi_tick(void *opaque)
963 {
964 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
965 s->rtsr |= (1 << 13);
966 pxa2xx_rtc_piupdate(s);
967 s->last_rtcpicr = 0;
968 pxa2xx_rtc_alarm_update(s, s->rtsr);
969 pxa2xx_rtc_int_update(s);
970 }
971
972 static uint64_t pxa2xx_rtc_read(void *opaque, hwaddr addr,
973 unsigned size)
974 {
975 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
976
977 switch (addr) {
978 case RTTR:
979 return s->rttr;
980 case RTSR:
981 return s->rtsr;
982 case RTAR:
983 return s->rtar;
984 case RDAR1:
985 return s->rdar1;
986 case RDAR2:
987 return s->rdar2;
988 case RYAR1:
989 return s->ryar1;
990 case RYAR2:
991 return s->ryar2;
992 case SWAR1:
993 return s->swar1;
994 case SWAR2:
995 return s->swar2;
996 case PIAR:
997 return s->piar;
998 case RCNR:
999 return s->last_rcnr +
1000 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) /
1001 (1000 * ((s->rttr & 0xffff) + 1));
1002 case RDCR:
1003 return s->last_rdcr +
1004 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) /
1005 (1000 * ((s->rttr & 0xffff) + 1));
1006 case RYCR:
1007 return s->last_rycr;
1008 case SWCR:
1009 if (s->rtsr & (1 << 12))
1010 return s->last_swcr +
1011 (qemu_clock_get_ms(rtc_clock) - s->last_sw) / 10;
1012 else
1013 return s->last_swcr;
1014 default:
1015 qemu_log_mask(LOG_GUEST_ERROR,
1016 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
1017 __func__, addr);
1018 break;
1019 }
1020 return 0;
1021 }
1022
1023 static void pxa2xx_rtc_write(void *opaque, hwaddr addr,
1024 uint64_t value64, unsigned size)
1025 {
1026 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1027 uint32_t value = value64;
1028
1029 switch (addr) {
1030 case RTTR:
1031 if (!(s->rttr & (1U << 31))) {
1032 pxa2xx_rtc_hzupdate(s);
1033 s->rttr = value;
1034 pxa2xx_rtc_alarm_update(s, s->rtsr);
1035 }
1036 break;
1037
1038 case RTSR:
1039 if ((s->rtsr ^ value) & (1 << 15))
1040 pxa2xx_rtc_piupdate(s);
1041
1042 if ((s->rtsr ^ value) & (1 << 12))
1043 pxa2xx_rtc_swupdate(s);
1044
1045 if (((s->rtsr ^ value) & 0x4aac) | (value & ~0xdaac))
1046 pxa2xx_rtc_alarm_update(s, value);
1047
1048 s->rtsr = (value & 0xdaac) | (s->rtsr & ~(value & ~0xdaac));
1049 pxa2xx_rtc_int_update(s);
1050 break;
1051
1052 case RTAR:
1053 s->rtar = value;
1054 pxa2xx_rtc_alarm_update(s, s->rtsr);
1055 break;
1056
1057 case RDAR1:
1058 s->rdar1 = value;
1059 pxa2xx_rtc_alarm_update(s, s->rtsr);
1060 break;
1061
1062 case RDAR2:
1063 s->rdar2 = value;
1064 pxa2xx_rtc_alarm_update(s, s->rtsr);
1065 break;
1066
1067 case RYAR1:
1068 s->ryar1 = value;
1069 pxa2xx_rtc_alarm_update(s, s->rtsr);
1070 break;
1071
1072 case RYAR2:
1073 s->ryar2 = value;
1074 pxa2xx_rtc_alarm_update(s, s->rtsr);
1075 break;
1076
1077 case SWAR1:
1078 pxa2xx_rtc_swupdate(s);
1079 s->swar1 = value;
1080 s->last_swcr = 0;
1081 pxa2xx_rtc_alarm_update(s, s->rtsr);
1082 break;
1083
1084 case SWAR2:
1085 s->swar2 = value;
1086 pxa2xx_rtc_alarm_update(s, s->rtsr);
1087 break;
1088
1089 case PIAR:
1090 s->piar = value;
1091 pxa2xx_rtc_alarm_update(s, s->rtsr);
1092 break;
1093
1094 case RCNR:
1095 pxa2xx_rtc_hzupdate(s);
1096 s->last_rcnr = value;
1097 pxa2xx_rtc_alarm_update(s, s->rtsr);
1098 break;
1099
1100 case RDCR:
1101 pxa2xx_rtc_hzupdate(s);
1102 s->last_rdcr = value;
1103 pxa2xx_rtc_alarm_update(s, s->rtsr);
1104 break;
1105
1106 case RYCR:
1107 s->last_rycr = value;
1108 break;
1109
1110 case SWCR:
1111 pxa2xx_rtc_swupdate(s);
1112 s->last_swcr = value;
1113 pxa2xx_rtc_alarm_update(s, s->rtsr);
1114 break;
1115
1116 case RTCPICR:
1117 pxa2xx_rtc_piupdate(s);
1118 s->last_rtcpicr = value & 0xffff;
1119 pxa2xx_rtc_alarm_update(s, s->rtsr);
1120 break;
1121
1122 default:
1123 qemu_log_mask(LOG_GUEST_ERROR,
1124 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
1125 __func__, addr);
1126 }
1127 }
1128
1129 static const MemoryRegionOps pxa2xx_rtc_ops = {
1130 .read = pxa2xx_rtc_read,
1131 .write = pxa2xx_rtc_write,
1132 .endianness = DEVICE_NATIVE_ENDIAN,
1133 };
1134
1135 static void pxa2xx_rtc_init(Object *obj)
1136 {
1137 PXA2xxRTCState *s = PXA2XX_RTC(obj);
1138 SysBusDevice *dev = SYS_BUS_DEVICE(obj);
1139 struct tm tm;
1140 int wom;
1141
1142 s->rttr = 0x7fff;
1143 s->rtsr = 0;
1144
1145 qemu_get_timedate(&tm, 0);
1146 wom = ((tm.tm_mday - 1) / 7) + 1;
1147
1148 s->last_rcnr = (uint32_t) mktimegm(&tm);
1149 s->last_rdcr = (wom << 20) | ((tm.tm_wday + 1) << 17) |
1150 (tm.tm_hour << 12) | (tm.tm_min << 6) | tm.tm_sec;
1151 s->last_rycr = ((tm.tm_year + 1900) << 9) |
1152 ((tm.tm_mon + 1) << 5) | tm.tm_mday;
1153 s->last_swcr = (tm.tm_hour << 19) |
1154 (tm.tm_min << 13) | (tm.tm_sec << 7);
1155 s->last_rtcpicr = 0;
1156 s->last_hz = s->last_sw = s->last_pi = qemu_clock_get_ms(rtc_clock);
1157
1158 sysbus_init_irq(dev, &s->rtc_irq);
1159
1160 memory_region_init_io(&s->iomem, obj, &pxa2xx_rtc_ops, s,
1161 "pxa2xx-rtc", 0x10000);
1162 sysbus_init_mmio(dev, &s->iomem);
1163 }
1164
1165 static void pxa2xx_rtc_realize(DeviceState *dev, Error **errp)
1166 {
1167 PXA2xxRTCState *s = PXA2XX_RTC(dev);
1168 s->rtc_hz = timer_new_ms(rtc_clock, pxa2xx_rtc_hz_tick, s);
1169 s->rtc_rdal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal1_tick, s);
1170 s->rtc_rdal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal2_tick, s);
1171 s->rtc_swal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal1_tick, s);
1172 s->rtc_swal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal2_tick, s);
1173 s->rtc_pi = timer_new_ms(rtc_clock, pxa2xx_rtc_pi_tick, s);
1174 }
1175
1176 static int pxa2xx_rtc_pre_save(void *opaque)
1177 {
1178 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1179
1180 pxa2xx_rtc_hzupdate(s);
1181 pxa2xx_rtc_piupdate(s);
1182 pxa2xx_rtc_swupdate(s);
1183
1184 return 0;
1185 }
1186
1187 static int pxa2xx_rtc_post_load(void *opaque, int version_id)
1188 {
1189 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1190
1191 pxa2xx_rtc_alarm_update(s, s->rtsr);
1192
1193 return 0;
1194 }
1195
1196 static const VMStateDescription vmstate_pxa2xx_rtc_regs = {
1197 .name = "pxa2xx_rtc",
1198 .version_id = 0,
1199 .minimum_version_id = 0,
1200 .pre_save = pxa2xx_rtc_pre_save,
1201 .post_load = pxa2xx_rtc_post_load,
1202 .fields = (VMStateField[]) {
1203 VMSTATE_UINT32(rttr, PXA2xxRTCState),
1204 VMSTATE_UINT32(rtsr, PXA2xxRTCState),
1205 VMSTATE_UINT32(rtar, PXA2xxRTCState),
1206 VMSTATE_UINT32(rdar1, PXA2xxRTCState),
1207 VMSTATE_UINT32(rdar2, PXA2xxRTCState),
1208 VMSTATE_UINT32(ryar1, PXA2xxRTCState),
1209 VMSTATE_UINT32(ryar2, PXA2xxRTCState),
1210 VMSTATE_UINT32(swar1, PXA2xxRTCState),
1211 VMSTATE_UINT32(swar2, PXA2xxRTCState),
1212 VMSTATE_UINT32(piar, PXA2xxRTCState),
1213 VMSTATE_UINT32(last_rcnr, PXA2xxRTCState),
1214 VMSTATE_UINT32(last_rdcr, PXA2xxRTCState),
1215 VMSTATE_UINT32(last_rycr, PXA2xxRTCState),
1216 VMSTATE_UINT32(last_swcr, PXA2xxRTCState),
1217 VMSTATE_UINT32(last_rtcpicr, PXA2xxRTCState),
1218 VMSTATE_INT64(last_hz, PXA2xxRTCState),
1219 VMSTATE_INT64(last_sw, PXA2xxRTCState),
1220 VMSTATE_INT64(last_pi, PXA2xxRTCState),
1221 VMSTATE_END_OF_LIST(),
1222 },
1223 };
1224
1225 static void pxa2xx_rtc_sysbus_class_init(ObjectClass *klass, void *data)
1226 {
1227 DeviceClass *dc = DEVICE_CLASS(klass);
1228
1229 dc->desc = "PXA2xx RTC Controller";
1230 dc->vmsd = &vmstate_pxa2xx_rtc_regs;
1231 dc->realize = pxa2xx_rtc_realize;
1232 }
1233
1234 static const TypeInfo pxa2xx_rtc_sysbus_info = {
1235 .name = TYPE_PXA2XX_RTC,
1236 .parent = TYPE_SYS_BUS_DEVICE,
1237 .instance_size = sizeof(PXA2xxRTCState),
1238 .instance_init = pxa2xx_rtc_init,
1239 .class_init = pxa2xx_rtc_sysbus_class_init,
1240 };
1241
1242 /* I2C Interface */
1243
1244 #define TYPE_PXA2XX_I2C_SLAVE "pxa2xx-i2c-slave"
1245 OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxI2CSlaveState, PXA2XX_I2C_SLAVE)
1246
1247 struct PXA2xxI2CSlaveState {
1248 I2CSlave parent_obj;
1249
1250 PXA2xxI2CState *host;
1251 };
1252
1253 struct PXA2xxI2CState {
1254 /*< private >*/
1255 SysBusDevice parent_obj;
1256 /*< public >*/
1257
1258 MemoryRegion iomem;
1259 PXA2xxI2CSlaveState *slave;
1260 I2CBus *bus;
1261 qemu_irq irq;
1262 uint32_t offset;
1263 uint32_t region_size;
1264
1265 uint16_t control;
1266 uint16_t status;
1267 uint8_t ibmr;
1268 uint8_t data;
1269 };
1270
1271 #define IBMR 0x80 /* I2C Bus Monitor register */
1272 #define IDBR 0x88 /* I2C Data Buffer register */
1273 #define ICR 0x90 /* I2C Control register */
1274 #define ISR 0x98 /* I2C Status register */
1275 #define ISAR 0xa0 /* I2C Slave Address register */
1276
1277 static void pxa2xx_i2c_update(PXA2xxI2CState *s)
1278 {
1279 uint16_t level = 0;
1280 level |= s->status & s->control & (1 << 10); /* BED */
1281 level |= (s->status & (1 << 7)) && (s->control & (1 << 9)); /* IRF */
1282 level |= (s->status & (1 << 6)) && (s->control & (1 << 8)); /* ITE */
1283 level |= s->status & (1 << 9); /* SAD */
1284 qemu_set_irq(s->irq, !!level);
1285 }
1286
1287 /* These are only stubs now. */
1288 static int pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event)
1289 {
1290 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1291 PXA2xxI2CState *s = slave->host;
1292
1293 switch (event) {
1294 case I2C_START_SEND:
1295 s->status |= (1 << 9); /* set SAD */
1296 s->status &= ~(1 << 0); /* clear RWM */
1297 break;
1298 case I2C_START_RECV:
1299 s->status |= (1 << 9); /* set SAD */
1300 s->status |= 1 << 0; /* set RWM */
1301 break;
1302 case I2C_FINISH:
1303 s->status |= (1 << 4); /* set SSD */
1304 break;
1305 case I2C_NACK:
1306 s->status |= 1 << 1; /* set ACKNAK */
1307 break;
1308 }
1309 pxa2xx_i2c_update(s);
1310
1311 return 0;
1312 }
1313
1314 static uint8_t pxa2xx_i2c_rx(I2CSlave *i2c)
1315 {
1316 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1317 PXA2xxI2CState *s = slave->host;
1318
1319 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1320 return 0;
1321 }
1322
1323 if (s->status & (1 << 0)) { /* RWM */
1324 s->status |= 1 << 6; /* set ITE */
1325 }
1326 pxa2xx_i2c_update(s);
1327
1328 return s->data;
1329 }
1330
1331 static int pxa2xx_i2c_tx(I2CSlave *i2c, uint8_t data)
1332 {
1333 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1334 PXA2xxI2CState *s = slave->host;
1335
1336 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1337 return 1;
1338 }
1339
1340 if (!(s->status & (1 << 0))) { /* RWM */
1341 s->status |= 1 << 7; /* set IRF */
1342 s->data = data;
1343 }
1344 pxa2xx_i2c_update(s);
1345
1346 return 1;
1347 }
1348
1349 static uint64_t pxa2xx_i2c_read(void *opaque, hwaddr addr,
1350 unsigned size)
1351 {
1352 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1353 I2CSlave *slave;
1354
1355 addr -= s->offset;
1356 switch (addr) {
1357 case ICR:
1358 return s->control;
1359 case ISR:
1360 return s->status | (i2c_bus_busy(s->bus) << 2);
1361 case ISAR:
1362 slave = I2C_SLAVE(s->slave);
1363 return slave->address;
1364 case IDBR:
1365 return s->data;
1366 case IBMR:
1367 if (s->status & (1 << 2))
1368 s->ibmr ^= 3; /* Fake SCL and SDA pin changes */
1369 else
1370 s->ibmr = 0;
1371 return s->ibmr;
1372 default:
1373 qemu_log_mask(LOG_GUEST_ERROR,
1374 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
1375 __func__, addr);
1376 break;
1377 }
1378 return 0;
1379 }
1380
1381 static void pxa2xx_i2c_write(void *opaque, hwaddr addr,
1382 uint64_t value64, unsigned size)
1383 {
1384 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1385 uint32_t value = value64;
1386 int ack;
1387
1388 addr -= s->offset;
1389 switch (addr) {
1390 case ICR:
1391 s->control = value & 0xfff7;
1392 if ((value & (1 << 3)) && (value & (1 << 6))) { /* TB and IUE */
1393 /* TODO: slave mode */
1394 if (value & (1 << 0)) { /* START condition */
1395 if (s->data & 1)
1396 s->status |= 1 << 0; /* set RWM */
1397 else
1398 s->status &= ~(1 << 0); /* clear RWM */
1399 ack = !i2c_start_transfer(s->bus, s->data >> 1, s->data & 1);
1400 } else {
1401 if (s->status & (1 << 0)) { /* RWM */
1402 s->data = i2c_recv(s->bus);
1403 if (value & (1 << 2)) /* ACKNAK */
1404 i2c_nack(s->bus);
1405 ack = 1;
1406 } else
1407 ack = !i2c_send(s->bus, s->data);
1408 }
1409
1410 if (value & (1 << 1)) /* STOP condition */
1411 i2c_end_transfer(s->bus);
1412
1413 if (ack) {
1414 if (value & (1 << 0)) /* START condition */
1415 s->status |= 1 << 6; /* set ITE */
1416 else
1417 if (s->status & (1 << 0)) /* RWM */
1418 s->status |= 1 << 7; /* set IRF */
1419 else
1420 s->status |= 1 << 6; /* set ITE */
1421 s->status &= ~(1 << 1); /* clear ACKNAK */
1422 } else {
1423 s->status |= 1 << 6; /* set ITE */
1424 s->status |= 1 << 10; /* set BED */
1425 s->status |= 1 << 1; /* set ACKNAK */
1426 }
1427 }
1428 if (!(value & (1 << 3)) && (value & (1 << 6))) /* !TB and IUE */
1429 if (value & (1 << 4)) /* MA */
1430 i2c_end_transfer(s->bus);
1431 pxa2xx_i2c_update(s);
1432 break;
1433
1434 case ISR:
1435 s->status &= ~(value & 0x07f0);
1436 pxa2xx_i2c_update(s);
1437 break;
1438
1439 case ISAR:
1440 i2c_slave_set_address(I2C_SLAVE(s->slave), value & 0x7f);
1441 break;
1442
1443 case IDBR:
1444 s->data = value & 0xff;
1445 break;
1446
1447 default:
1448 qemu_log_mask(LOG_GUEST_ERROR,
1449 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
1450 __func__, addr);
1451 }
1452 }
1453
1454 static const MemoryRegionOps pxa2xx_i2c_ops = {
1455 .read = pxa2xx_i2c_read,
1456 .write = pxa2xx_i2c_write,
1457 .endianness = DEVICE_NATIVE_ENDIAN,
1458 };
1459
1460 static const VMStateDescription vmstate_pxa2xx_i2c_slave = {
1461 .name = "pxa2xx_i2c_slave",
1462 .version_id = 1,
1463 .minimum_version_id = 1,
1464 .fields = (VMStateField[]) {
1465 VMSTATE_I2C_SLAVE(parent_obj, PXA2xxI2CSlaveState),
1466 VMSTATE_END_OF_LIST()
1467 }
1468 };
1469
1470 static const VMStateDescription vmstate_pxa2xx_i2c = {
1471 .name = "pxa2xx_i2c",
1472 .version_id = 1,
1473 .minimum_version_id = 1,
1474 .fields = (VMStateField[]) {
1475 VMSTATE_UINT16(control, PXA2xxI2CState),
1476 VMSTATE_UINT16(status, PXA2xxI2CState),
1477 VMSTATE_UINT8(ibmr, PXA2xxI2CState),
1478 VMSTATE_UINT8(data, PXA2xxI2CState),
1479 VMSTATE_STRUCT_POINTER(slave, PXA2xxI2CState,
1480 vmstate_pxa2xx_i2c_slave, PXA2xxI2CSlaveState),
1481 VMSTATE_END_OF_LIST()
1482 }
1483 };
1484
1485 static void pxa2xx_i2c_slave_class_init(ObjectClass *klass, void *data)
1486 {
1487 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
1488
1489 k->event = pxa2xx_i2c_event;
1490 k->recv = pxa2xx_i2c_rx;
1491 k->send = pxa2xx_i2c_tx;
1492 }
1493
1494 static const TypeInfo pxa2xx_i2c_slave_info = {
1495 .name = TYPE_PXA2XX_I2C_SLAVE,
1496 .parent = TYPE_I2C_SLAVE,
1497 .instance_size = sizeof(PXA2xxI2CSlaveState),
1498 .class_init = pxa2xx_i2c_slave_class_init,
1499 };
1500
1501 PXA2xxI2CState *pxa2xx_i2c_init(hwaddr base,
1502 qemu_irq irq, uint32_t region_size)
1503 {
1504 DeviceState *dev;
1505 SysBusDevice *i2c_dev;
1506 PXA2xxI2CState *s;
1507 I2CBus *i2cbus;
1508
1509 dev = qdev_new(TYPE_PXA2XX_I2C);
1510 qdev_prop_set_uint32(dev, "size", region_size + 1);
1511 qdev_prop_set_uint32(dev, "offset", base & region_size);
1512
1513 i2c_dev = SYS_BUS_DEVICE(dev);
1514 sysbus_realize_and_unref(i2c_dev, &error_fatal);
1515 sysbus_mmio_map(i2c_dev, 0, base & ~region_size);
1516 sysbus_connect_irq(i2c_dev, 0, irq);
1517
1518 s = PXA2XX_I2C(i2c_dev);
1519 /* FIXME: Should the slave device really be on a separate bus? */
1520 i2cbus = i2c_init_bus(dev, "dummy");
1521 s->slave = PXA2XX_I2C_SLAVE(i2c_slave_create_simple(i2cbus,
1522 TYPE_PXA2XX_I2C_SLAVE,
1523 0));
1524 s->slave->host = s;
1525
1526 return s;
1527 }
1528
1529 static void pxa2xx_i2c_initfn(Object *obj)
1530 {
1531 DeviceState *dev = DEVICE(obj);
1532 PXA2xxI2CState *s = PXA2XX_I2C(obj);
1533 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
1534
1535 s->bus = i2c_init_bus(dev, NULL);
1536
1537 memory_region_init_io(&s->iomem, obj, &pxa2xx_i2c_ops, s,
1538 "pxa2xx-i2c", s->region_size);
1539 sysbus_init_mmio(sbd, &s->iomem);
1540 sysbus_init_irq(sbd, &s->irq);
1541 }
1542
1543 I2CBus *pxa2xx_i2c_bus(PXA2xxI2CState *s)
1544 {
1545 return s->bus;
1546 }
1547
1548 static Property pxa2xx_i2c_properties[] = {
1549 DEFINE_PROP_UINT32("size", PXA2xxI2CState, region_size, 0x10000),
1550 DEFINE_PROP_UINT32("offset", PXA2xxI2CState, offset, 0),
1551 DEFINE_PROP_END_OF_LIST(),
1552 };
1553
1554 static void pxa2xx_i2c_class_init(ObjectClass *klass, void *data)
1555 {
1556 DeviceClass *dc = DEVICE_CLASS(klass);
1557
1558 dc->desc = "PXA2xx I2C Bus Controller";
1559 dc->vmsd = &vmstate_pxa2xx_i2c;
1560 device_class_set_props(dc, pxa2xx_i2c_properties);
1561 }
1562
1563 static const TypeInfo pxa2xx_i2c_info = {
1564 .name = TYPE_PXA2XX_I2C,
1565 .parent = TYPE_SYS_BUS_DEVICE,
1566 .instance_size = sizeof(PXA2xxI2CState),
1567 .instance_init = pxa2xx_i2c_initfn,
1568 .class_init = pxa2xx_i2c_class_init,
1569 };
1570
1571 /* PXA Inter-IC Sound Controller */
1572 static void pxa2xx_i2s_reset(PXA2xxI2SState *i2s)
1573 {
1574 i2s->rx_len = 0;
1575 i2s->tx_len = 0;
1576 i2s->fifo_len = 0;
1577 i2s->clk = 0x1a;
1578 i2s->control[0] = 0x00;
1579 i2s->control[1] = 0x00;
1580 i2s->status = 0x00;
1581 i2s->mask = 0x00;
1582 }
1583
1584 #define SACR_TFTH(val) ((val >> 8) & 0xf)
1585 #define SACR_RFTH(val) ((val >> 12) & 0xf)
1586 #define SACR_DREC(val) (val & (1 << 3))
1587 #define SACR_DPRL(val) (val & (1 << 4))
1588
1589 static inline void pxa2xx_i2s_update(PXA2xxI2SState *i2s)
1590 {
1591 int rfs, tfs;
1592 rfs = SACR_RFTH(i2s->control[0]) < i2s->rx_len &&
1593 !SACR_DREC(i2s->control[1]);
1594 tfs = (i2s->tx_len || i2s->fifo_len < SACR_TFTH(i2s->control[0])) &&
1595 i2s->enable && !SACR_DPRL(i2s->control[1]);
1596
1597 qemu_set_irq(i2s->rx_dma, rfs);
1598 qemu_set_irq(i2s->tx_dma, tfs);
1599
1600 i2s->status &= 0xe0;
1601 if (i2s->fifo_len < 16 || !i2s->enable)
1602 i2s->status |= 1 << 0; /* TNF */
1603 if (i2s->rx_len)
1604 i2s->status |= 1 << 1; /* RNE */
1605 if (i2s->enable)
1606 i2s->status |= 1 << 2; /* BSY */
1607 if (tfs)
1608 i2s->status |= 1 << 3; /* TFS */
1609 if (rfs)
1610 i2s->status |= 1 << 4; /* RFS */
1611 if (!(i2s->tx_len && i2s->enable))
1612 i2s->status |= i2s->fifo_len << 8; /* TFL */
1613 i2s->status |= MAX(i2s->rx_len, 0xf) << 12; /* RFL */
1614
1615 qemu_set_irq(i2s->irq, i2s->status & i2s->mask);
1616 }
1617
1618 #define SACR0 0x00 /* Serial Audio Global Control register */
1619 #define SACR1 0x04 /* Serial Audio I2S/MSB-Justified Control register */
1620 #define SASR0 0x0c /* Serial Audio Interface and FIFO Status register */
1621 #define SAIMR 0x14 /* Serial Audio Interrupt Mask register */
1622 #define SAICR 0x18 /* Serial Audio Interrupt Clear register */
1623 #define SADIV 0x60 /* Serial Audio Clock Divider register */
1624 #define SADR 0x80 /* Serial Audio Data register */
1625
1626 static uint64_t pxa2xx_i2s_read(void *opaque, hwaddr addr,
1627 unsigned size)
1628 {
1629 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1630
1631 switch (addr) {
1632 case SACR0:
1633 return s->control[0];
1634 case SACR1:
1635 return s->control[1];
1636 case SASR0:
1637 return s->status;
1638 case SAIMR:
1639 return s->mask;
1640 case SAICR:
1641 return 0;
1642 case SADIV:
1643 return s->clk;
1644 case SADR:
1645 if (s->rx_len > 0) {
1646 s->rx_len --;
1647 pxa2xx_i2s_update(s);
1648 return s->codec_in(s->opaque);
1649 }
1650 return 0;
1651 default:
1652 qemu_log_mask(LOG_GUEST_ERROR,
1653 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
1654 __func__, addr);
1655 break;
1656 }
1657 return 0;
1658 }
1659
1660 static void pxa2xx_i2s_write(void *opaque, hwaddr addr,
1661 uint64_t value, unsigned size)
1662 {
1663 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1664 uint32_t *sample;
1665
1666 switch (addr) {
1667 case SACR0:
1668 if (value & (1 << 3)) /* RST */
1669 pxa2xx_i2s_reset(s);
1670 s->control[0] = value & 0xff3d;
1671 if (!s->enable && (value & 1) && s->tx_len) { /* ENB */
1672 for (sample = s->fifo; s->fifo_len > 0; s->fifo_len --, sample ++)
1673 s->codec_out(s->opaque, *sample);
1674 s->status &= ~(1 << 7); /* I2SOFF */
1675 }
1676 if (value & (1 << 4)) /* EFWR */
1677 printf("%s: Attempt to use special function\n", __func__);
1678 s->enable = (value & 9) == 1; /* ENB && !RST*/
1679 pxa2xx_i2s_update(s);
1680 break;
1681 case SACR1:
1682 s->control[1] = value & 0x0039;
1683 if (value & (1 << 5)) /* ENLBF */
1684 printf("%s: Attempt to use loopback function\n", __func__);
1685 if (value & (1 << 4)) /* DPRL */
1686 s->fifo_len = 0;
1687 pxa2xx_i2s_update(s);
1688 break;
1689 case SAIMR:
1690 s->mask = value & 0x0078;
1691 pxa2xx_i2s_update(s);
1692 break;
1693 case SAICR:
1694 s->status &= ~(value & (3 << 5));
1695 pxa2xx_i2s_update(s);
1696 break;
1697 case SADIV:
1698 s->clk = value & 0x007f;
1699 break;
1700 case SADR:
1701 if (s->tx_len && s->enable) {
1702 s->tx_len --;
1703 pxa2xx_i2s_update(s);
1704 s->codec_out(s->opaque, value);
1705 } else if (s->fifo_len < 16) {
1706 s->fifo[s->fifo_len ++] = value;
1707 pxa2xx_i2s_update(s);
1708 }
1709 break;
1710 default:
1711 qemu_log_mask(LOG_GUEST_ERROR,
1712 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
1713 __func__, addr);
1714 }
1715 }
1716
1717 static const MemoryRegionOps pxa2xx_i2s_ops = {
1718 .read = pxa2xx_i2s_read,
1719 .write = pxa2xx_i2s_write,
1720 .endianness = DEVICE_NATIVE_ENDIAN,
1721 };
1722
1723 static const VMStateDescription vmstate_pxa2xx_i2s = {
1724 .name = "pxa2xx_i2s",
1725 .version_id = 0,
1726 .minimum_version_id = 0,
1727 .fields = (VMStateField[]) {
1728 VMSTATE_UINT32_ARRAY(control, PXA2xxI2SState, 2),
1729 VMSTATE_UINT32(status, PXA2xxI2SState),
1730 VMSTATE_UINT32(mask, PXA2xxI2SState),
1731 VMSTATE_UINT32(clk, PXA2xxI2SState),
1732 VMSTATE_INT32(enable, PXA2xxI2SState),
1733 VMSTATE_INT32(rx_len, PXA2xxI2SState),
1734 VMSTATE_INT32(tx_len, PXA2xxI2SState),
1735 VMSTATE_INT32(fifo_len, PXA2xxI2SState),
1736 VMSTATE_END_OF_LIST()
1737 }
1738 };
1739
1740 static void pxa2xx_i2s_data_req(void *opaque, int tx, int rx)
1741 {
1742 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1743 uint32_t *sample;
1744
1745 /* Signal FIFO errors */
1746 if (s->enable && s->tx_len)
1747 s->status |= 1 << 5; /* TUR */
1748 if (s->enable && s->rx_len)
1749 s->status |= 1 << 6; /* ROR */
1750
1751 /* Should be tx - MIN(tx, s->fifo_len) but we don't really need to
1752 * handle the cases where it makes a difference. */
1753 s->tx_len = tx - s->fifo_len;
1754 s->rx_len = rx;
1755 /* Note that is s->codec_out wasn't set, we wouldn't get called. */
1756 if (s->enable)
1757 for (sample = s->fifo; s->fifo_len; s->fifo_len --, sample ++)
1758 s->codec_out(s->opaque, *sample);
1759 pxa2xx_i2s_update(s);
1760 }
1761
1762 static PXA2xxI2SState *pxa2xx_i2s_init(MemoryRegion *sysmem,
1763 hwaddr base,
1764 qemu_irq irq, qemu_irq rx_dma, qemu_irq tx_dma)
1765 {
1766 PXA2xxI2SState *s = g_new0(PXA2xxI2SState, 1);
1767
1768 s->irq = irq;
1769 s->rx_dma = rx_dma;
1770 s->tx_dma = tx_dma;
1771 s->data_req = pxa2xx_i2s_data_req;
1772
1773 pxa2xx_i2s_reset(s);
1774
1775 memory_region_init_io(&s->iomem, NULL, &pxa2xx_i2s_ops, s,
1776 "pxa2xx-i2s", 0x100000);
1777 memory_region_add_subregion(sysmem, base, &s->iomem);
1778
1779 vmstate_register(NULL, base, &vmstate_pxa2xx_i2s, s);
1780
1781 return s;
1782 }
1783
1784 /* PXA Fast Infra-red Communications Port */
1785 struct PXA2xxFIrState {
1786 /*< private >*/
1787 SysBusDevice parent_obj;
1788 /*< public >*/
1789
1790 MemoryRegion iomem;
1791 qemu_irq irq;
1792 qemu_irq rx_dma;
1793 qemu_irq tx_dma;
1794 uint32_t enable;
1795 CharBackend chr;
1796
1797 uint8_t control[3];
1798 uint8_t status[2];
1799
1800 uint32_t rx_len;
1801 uint32_t rx_start;
1802 uint8_t rx_fifo[64];
1803 };
1804
1805 static void pxa2xx_fir_reset(DeviceState *d)
1806 {
1807 PXA2xxFIrState *s = PXA2XX_FIR(d);
1808
1809 s->control[0] = 0x00;
1810 s->control[1] = 0x00;
1811 s->control[2] = 0x00;
1812 s->status[0] = 0x00;
1813 s->status[1] = 0x00;
1814 s->enable = 0;
1815 }
1816
1817 static inline void pxa2xx_fir_update(PXA2xxFIrState *s)
1818 {
1819 static const int tresh[4] = { 8, 16, 32, 0 };
1820 int intr = 0;
1821 if ((s->control[0] & (1 << 4)) && /* RXE */
1822 s->rx_len >= tresh[s->control[2] & 3]) /* TRIG */
1823 s->status[0] |= 1 << 4; /* RFS */
1824 else
1825 s->status[0] &= ~(1 << 4); /* RFS */
1826 if (s->control[0] & (1 << 3)) /* TXE */
1827 s->status[0] |= 1 << 3; /* TFS */
1828 else
1829 s->status[0] &= ~(1 << 3); /* TFS */
1830 if (s->rx_len)
1831 s->status[1] |= 1 << 2; /* RNE */
1832 else
1833 s->status[1] &= ~(1 << 2); /* RNE */
1834 if (s->control[0] & (1 << 4)) /* RXE */
1835 s->status[1] |= 1 << 0; /* RSY */
1836 else
1837 s->status[1] &= ~(1 << 0); /* RSY */
1838
1839 intr |= (s->control[0] & (1 << 5)) && /* RIE */
1840 (s->status[0] & (1 << 4)); /* RFS */
1841 intr |= (s->control[0] & (1 << 6)) && /* TIE */
1842 (s->status[0] & (1 << 3)); /* TFS */
1843 intr |= (s->control[2] & (1 << 4)) && /* TRAIL */
1844 (s->status[0] & (1 << 6)); /* EOC */
1845 intr |= (s->control[0] & (1 << 2)) && /* TUS */
1846 (s->status[0] & (1 << 1)); /* TUR */
1847 intr |= s->status[0] & 0x25; /* FRE, RAB, EIF */
1848
1849 qemu_set_irq(s->rx_dma, (s->status[0] >> 4) & 1);
1850 qemu_set_irq(s->tx_dma, (s->status[0] >> 3) & 1);
1851
1852 qemu_set_irq(s->irq, intr && s->enable);
1853 }
1854
1855 #define ICCR0 0x00 /* FICP Control register 0 */
1856 #define ICCR1 0x04 /* FICP Control register 1 */
1857 #define ICCR2 0x08 /* FICP Control register 2 */
1858 #define ICDR 0x0c /* FICP Data register */
1859 #define ICSR0 0x14 /* FICP Status register 0 */
1860 #define ICSR1 0x18 /* FICP Status register 1 */
1861 #define ICFOR 0x1c /* FICP FIFO Occupancy Status register */
1862
1863 static uint64_t pxa2xx_fir_read(void *opaque, hwaddr addr,
1864 unsigned size)
1865 {
1866 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1867 uint8_t ret;
1868
1869 switch (addr) {
1870 case ICCR0:
1871 return s->control[0];
1872 case ICCR1:
1873 return s->control[1];
1874 case ICCR2:
1875 return s->control[2];
1876 case ICDR:
1877 s->status[0] &= ~0x01;
1878 s->status[1] &= ~0x72;
1879 if (s->rx_len) {
1880 s->rx_len --;
1881 ret = s->rx_fifo[s->rx_start ++];
1882 s->rx_start &= 63;
1883 pxa2xx_fir_update(s);
1884 return ret;
1885 }
1886 printf("%s: Rx FIFO underrun.\n", __func__);
1887 break;
1888 case ICSR0:
1889 return s->status[0];
1890 case ICSR1:
1891 return s->status[1] | (1 << 3); /* TNF */
1892 case ICFOR:
1893 return s->rx_len;
1894 default:
1895 qemu_log_mask(LOG_GUEST_ERROR,
1896 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
1897 __func__, addr);
1898 break;
1899 }
1900 return 0;
1901 }
1902
1903 static void pxa2xx_fir_write(void *opaque, hwaddr addr,
1904 uint64_t value64, unsigned size)
1905 {
1906 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1907 uint32_t value = value64;
1908 uint8_t ch;
1909
1910 switch (addr) {
1911 case ICCR0:
1912 s->control[0] = value;
1913 if (!(value & (1 << 4))) /* RXE */
1914 s->rx_len = s->rx_start = 0;
1915 if (!(value & (1 << 3))) { /* TXE */
1916 /* Nop */
1917 }
1918 s->enable = value & 1; /* ITR */
1919 if (!s->enable)
1920 s->status[0] = 0;
1921 pxa2xx_fir_update(s);
1922 break;
1923 case ICCR1:
1924 s->control[1] = value;
1925 break;
1926 case ICCR2:
1927 s->control[2] = value & 0x3f;
1928 pxa2xx_fir_update(s);
1929 break;
1930 case ICDR:
1931 if (s->control[2] & (1 << 2)) { /* TXP */
1932 ch = value;
1933 } else {
1934 ch = ~value;
1935 }
1936 if (s->enable && (s->control[0] & (1 << 3))) { /* TXE */
1937 /* XXX this blocks entire thread. Rewrite to use
1938 * qemu_chr_fe_write and background I/O callbacks */
1939 qemu_chr_fe_write_all(&s->chr, &ch, 1);
1940 }
1941 break;
1942 case ICSR0:
1943 s->status[0] &= ~(value & 0x66);
1944 pxa2xx_fir_update(s);
1945 break;
1946 case ICFOR:
1947 break;
1948 default:
1949 qemu_log_mask(LOG_GUEST_ERROR,
1950 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
1951 __func__, addr);
1952 }
1953 }
1954
1955 static const MemoryRegionOps pxa2xx_fir_ops = {
1956 .read = pxa2xx_fir_read,
1957 .write = pxa2xx_fir_write,
1958 .endianness = DEVICE_NATIVE_ENDIAN,
1959 };
1960
1961 static int pxa2xx_fir_is_empty(void *opaque)
1962 {
1963 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1964 return (s->rx_len < 64);
1965 }
1966
1967 static void pxa2xx_fir_rx(void *opaque, const uint8_t *buf, int size)
1968 {
1969 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1970 if (!(s->control[0] & (1 << 4))) /* RXE */
1971 return;
1972
1973 while (size --) {
1974 s->status[1] |= 1 << 4; /* EOF */
1975 if (s->rx_len >= 64) {
1976 s->status[1] |= 1 << 6; /* ROR */
1977 break;
1978 }
1979
1980 if (s->control[2] & (1 << 3)) /* RXP */
1981 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = *(buf ++);
1982 else
1983 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = ~*(buf ++);
1984 }
1985
1986 pxa2xx_fir_update(s);
1987 }
1988
1989 static void pxa2xx_fir_event(void *opaque, QEMUChrEvent event)
1990 {
1991 }
1992
1993 static void pxa2xx_fir_instance_init(Object *obj)
1994 {
1995 PXA2xxFIrState *s = PXA2XX_FIR(obj);
1996 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
1997
1998 memory_region_init_io(&s->iomem, obj, &pxa2xx_fir_ops, s,
1999 "pxa2xx-fir", 0x1000);
2000 sysbus_init_mmio(sbd, &s->iomem);
2001 sysbus_init_irq(sbd, &s->irq);
2002 sysbus_init_irq(sbd, &s->rx_dma);
2003 sysbus_init_irq(sbd, &s->tx_dma);
2004 }
2005
2006 static void pxa2xx_fir_realize(DeviceState *dev, Error **errp)
2007 {
2008 PXA2xxFIrState *s = PXA2XX_FIR(dev);
2009
2010 qemu_chr_fe_set_handlers(&s->chr, pxa2xx_fir_is_empty,
2011 pxa2xx_fir_rx, pxa2xx_fir_event, NULL, s, NULL,
2012 true);
2013 }
2014
2015 static bool pxa2xx_fir_vmstate_validate(void *opaque, int version_id)
2016 {
2017 PXA2xxFIrState *s = opaque;
2018
2019 return s->rx_start < ARRAY_SIZE(s->rx_fifo);
2020 }
2021
2022 static const VMStateDescription pxa2xx_fir_vmsd = {
2023 .name = "pxa2xx-fir",
2024 .version_id = 1,
2025 .minimum_version_id = 1,
2026 .fields = (VMStateField[]) {
2027 VMSTATE_UINT32(enable, PXA2xxFIrState),
2028 VMSTATE_UINT8_ARRAY(control, PXA2xxFIrState, 3),
2029 VMSTATE_UINT8_ARRAY(status, PXA2xxFIrState, 2),
2030 VMSTATE_UINT32(rx_len, PXA2xxFIrState),
2031 VMSTATE_UINT32(rx_start, PXA2xxFIrState),
2032 VMSTATE_VALIDATE("fifo is 64 bytes", pxa2xx_fir_vmstate_validate),
2033 VMSTATE_UINT8_ARRAY(rx_fifo, PXA2xxFIrState, 64),
2034 VMSTATE_END_OF_LIST()
2035 }
2036 };
2037
2038 static Property pxa2xx_fir_properties[] = {
2039 DEFINE_PROP_CHR("chardev", PXA2xxFIrState, chr),
2040 DEFINE_PROP_END_OF_LIST(),
2041 };
2042
2043 static void pxa2xx_fir_class_init(ObjectClass *klass, void *data)
2044 {
2045 DeviceClass *dc = DEVICE_CLASS(klass);
2046
2047 dc->realize = pxa2xx_fir_realize;
2048 dc->vmsd = &pxa2xx_fir_vmsd;
2049 device_class_set_props(dc, pxa2xx_fir_properties);
2050 dc->reset = pxa2xx_fir_reset;
2051 }
2052
2053 static const TypeInfo pxa2xx_fir_info = {
2054 .name = TYPE_PXA2XX_FIR,
2055 .parent = TYPE_SYS_BUS_DEVICE,
2056 .instance_size = sizeof(PXA2xxFIrState),
2057 .class_init = pxa2xx_fir_class_init,
2058 .instance_init = pxa2xx_fir_instance_init,
2059 };
2060
2061 static PXA2xxFIrState *pxa2xx_fir_init(MemoryRegion *sysmem,
2062 hwaddr base,
2063 qemu_irq irq, qemu_irq rx_dma,
2064 qemu_irq tx_dma,
2065 Chardev *chr)
2066 {
2067 DeviceState *dev;
2068 SysBusDevice *sbd;
2069
2070 dev = qdev_new(TYPE_PXA2XX_FIR);
2071 qdev_prop_set_chr(dev, "chardev", chr);
2072 sbd = SYS_BUS_DEVICE(dev);
2073 sysbus_realize_and_unref(sbd, &error_fatal);
2074 sysbus_mmio_map(sbd, 0, base);
2075 sysbus_connect_irq(sbd, 0, irq);
2076 sysbus_connect_irq(sbd, 1, rx_dma);
2077 sysbus_connect_irq(sbd, 2, tx_dma);
2078 return PXA2XX_FIR(dev);
2079 }
2080
2081 static void pxa2xx_reset(void *opaque, int line, int level)
2082 {
2083 PXA2xxState *s = (PXA2xxState *) opaque;
2084
2085 if (level && (s->pm_regs[PCFR >> 2] & 0x10)) { /* GPR_EN */
2086 cpu_reset(CPU(s->cpu));
2087 /* TODO: reset peripherals */
2088 }
2089 }
2090
2091 /* Initialise a PXA270 integrated chip (ARM based core). */
2092 PXA2xxState *pxa270_init(MemoryRegion *address_space,
2093 unsigned int sdram_size, const char *cpu_type)
2094 {
2095 PXA2xxState *s;
2096 int i;
2097 DriveInfo *dinfo;
2098 s = g_new0(PXA2xxState, 1);
2099
2100 if (strncmp(cpu_type, "pxa27", 5)) {
2101 error_report("Machine requires a PXA27x processor");
2102 exit(1);
2103 }
2104
2105 s->cpu = ARM_CPU(cpu_create(cpu_type));
2106 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2107
2108 /* SDRAM & Internal Memory Storage */
2109 memory_region_init_ram(&s->sdram, NULL, "pxa270.sdram", sdram_size,
2110 &error_fatal);
2111 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2112 memory_region_init_ram(&s->internal, NULL, "pxa270.internal", 0x40000,
2113 &error_fatal);
2114 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2115 &s->internal);
2116
2117 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2118
2119 s->dma = pxa27x_dma_init(0x40000000,
2120 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2121
2122 sysbus_create_varargs("pxa27x-timer", 0x40a00000,
2123 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2124 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2125 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2126 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2127 qdev_get_gpio_in(s->pic, PXA27X_PIC_OST_4_11),
2128 NULL);
2129
2130 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 121);
2131
2132 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2133 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2134 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2135 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2136 dinfo = drive_get(IF_SD, 0, 0);
2137 if (dinfo) {
2138 DeviceState *carddev;
2139
2140 /* Create and plug in the sd card */
2141 carddev = qdev_new(TYPE_SD_CARD);
2142 qdev_prop_set_drive_err(carddev, "drive",
2143 blk_by_legacy_dinfo(dinfo), &error_fatal);
2144 qdev_realize_and_unref(carddev, qdev_get_child_bus(DEVICE(s->mmc),
2145 "sd-bus"),
2146 &error_fatal);
2147 } else if (!qtest_enabled()) {
2148 warn_report("missing SecureDigital device");
2149 }
2150
2151 for (i = 0; pxa270_serial[i].io_base; i++) {
2152 if (serial_hd(i)) {
2153 serial_mm_init(address_space, pxa270_serial[i].io_base, 2,
2154 qdev_get_gpio_in(s->pic, pxa270_serial[i].irqn),
2155 14857000 / 16, serial_hd(i),
2156 DEVICE_NATIVE_ENDIAN);
2157 } else {
2158 break;
2159 }
2160 }
2161 if (serial_hd(i))
2162 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2163 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2164 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2165 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2166 serial_hd(i));
2167
2168 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2169 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2170
2171 s->cm_base = 0x41300000;
2172 s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */
2173 s->clkcfg = 0x00000009; /* Turbo mode active */
2174 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2175 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2176 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2177
2178 pxa2xx_setup_cp14(s);
2179
2180 s->mm_base = 0x48000000;
2181 s->mm_regs[MDMRS >> 2] = 0x00020002;
2182 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2183 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2184 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2185 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2186 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2187
2188 s->pm_base = 0x40f00000;
2189 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2190 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2191 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2192
2193 for (i = 0; pxa27x_ssp[i].io_base; i ++);
2194 s->ssp = g_new0(SSIBus *, i);
2195 for (i = 0; pxa27x_ssp[i].io_base; i ++) {
2196 DeviceState *dev;
2197 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa27x_ssp[i].io_base,
2198 qdev_get_gpio_in(s->pic, pxa27x_ssp[i].irqn));
2199 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2200 }
2201
2202 sysbus_create_simple("sysbus-ohci", 0x4c000000,
2203 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1));
2204
2205 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2206 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2207
2208 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2209 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2210
2211 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2212 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2213 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2214 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2215
2216 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2217 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2218 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2219 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2220
2221 s->kp = pxa27x_keypad_init(address_space, 0x41500000,
2222 qdev_get_gpio_in(s->pic, PXA2XX_PIC_KEYPAD));
2223
2224 /* GPIO1 resets the processor */
2225 /* The handler can be overridden by board-specific code */
2226 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2227 return s;
2228 }
2229
2230 /* Initialise a PXA255 integrated chip (ARM based core). */
2231 PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size)
2232 {
2233 PXA2xxState *s;
2234 int i;
2235 DriveInfo *dinfo;
2236
2237 s = g_new0(PXA2xxState, 1);
2238
2239 s->cpu = ARM_CPU(cpu_create(ARM_CPU_TYPE_NAME("pxa255")));
2240 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2241
2242 /* SDRAM & Internal Memory Storage */
2243 memory_region_init_ram(&s->sdram, NULL, "pxa255.sdram", sdram_size,
2244 &error_fatal);
2245 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2246 memory_region_init_ram(&s->internal, NULL, "pxa255.internal",
2247 PXA2XX_INTERNAL_SIZE, &error_fatal);
2248 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2249 &s->internal);
2250
2251 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2252
2253 s->dma = pxa255_dma_init(0x40000000,
2254 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2255
2256 sysbus_create_varargs("pxa25x-timer", 0x40a00000,
2257 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2258 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2259 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2260 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2261 NULL);
2262
2263 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 85);
2264
2265 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2266 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2267 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2268 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2269 dinfo = drive_get(IF_SD, 0, 0);
2270 if (dinfo) {
2271 DeviceState *carddev;
2272
2273 /* Create and plug in the sd card */
2274 carddev = qdev_new(TYPE_SD_CARD);
2275 qdev_prop_set_drive_err(carddev, "drive",
2276 blk_by_legacy_dinfo(dinfo), &error_fatal);
2277 qdev_realize_and_unref(carddev, qdev_get_child_bus(DEVICE(s->mmc),
2278 "sd-bus"),
2279 &error_fatal);
2280 } else if (!qtest_enabled()) {
2281 warn_report("missing SecureDigital device");
2282 }
2283
2284 for (i = 0; pxa255_serial[i].io_base; i++) {
2285 if (serial_hd(i)) {
2286 serial_mm_init(address_space, pxa255_serial[i].io_base, 2,
2287 qdev_get_gpio_in(s->pic, pxa255_serial[i].irqn),
2288 14745600 / 16, serial_hd(i),
2289 DEVICE_NATIVE_ENDIAN);
2290 } else {
2291 break;
2292 }
2293 }
2294 if (serial_hd(i))
2295 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2296 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2297 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2298 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2299 serial_hd(i));
2300
2301 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2302 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2303
2304 s->cm_base = 0x41300000;
2305 s->cm_regs[CCCR >> 2] = 0x00000121; /* from datasheet */
2306 s->cm_regs[CKEN >> 2] = 0x00017def; /* from datasheet */
2307
2308 s->clkcfg = 0x00000009; /* Turbo mode active */
2309 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2310 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2311 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2312
2313 pxa2xx_setup_cp14(s);
2314
2315 s->mm_base = 0x48000000;
2316 s->mm_regs[MDMRS >> 2] = 0x00020002;
2317 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2318 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2319 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2320 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2321 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2322
2323 s->pm_base = 0x40f00000;
2324 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2325 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2326 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2327
2328 for (i = 0; pxa255_ssp[i].io_base; i ++);
2329 s->ssp = g_new0(SSIBus *, i);
2330 for (i = 0; pxa255_ssp[i].io_base; i ++) {
2331 DeviceState *dev;
2332 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa255_ssp[i].io_base,
2333 qdev_get_gpio_in(s->pic, pxa255_ssp[i].irqn));
2334 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2335 }
2336
2337 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2338 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2339
2340 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2341 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2342
2343 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2344 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2345 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2346 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2347
2348 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2349 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2350 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2351 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2352
2353 /* GPIO1 resets the processor */
2354 /* The handler can be overridden by board-specific code */
2355 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2356 return s;
2357 }
2358
2359 static void pxa2xx_ssp_class_init(ObjectClass *klass, void *data)
2360 {
2361 DeviceClass *dc = DEVICE_CLASS(klass);
2362
2363 dc->reset = pxa2xx_ssp_reset;
2364 dc->vmsd = &vmstate_pxa2xx_ssp;
2365 }
2366
2367 static const TypeInfo pxa2xx_ssp_info = {
2368 .name = TYPE_PXA2XX_SSP,
2369 .parent = TYPE_SYS_BUS_DEVICE,
2370 .instance_size = sizeof(PXA2xxSSPState),
2371 .instance_init = pxa2xx_ssp_init,
2372 .class_init = pxa2xx_ssp_class_init,
2373 };
2374
2375 static void pxa2xx_register_types(void)
2376 {
2377 type_register_static(&pxa2xx_i2c_slave_info);
2378 type_register_static(&pxa2xx_ssp_info);
2379 type_register_static(&pxa2xx_i2c_info);
2380 type_register_static(&pxa2xx_rtc_sysbus_info);
2381 type_register_static(&pxa2xx_fir_info);
2382 }
2383
2384 type_init(pxa2xx_register_types)
armbru's QEMU hackery