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tests/acpi: allow changes for microvm/APIC.pcie
[qemu/ar7.git] / hw / arm / pxa2xx.c
blob591776ba887c588b3f59fd370ae61655f25542ea
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/ssi/ssi.h"
25 #include "hw/sd/sd.h"
26 #include "chardev/char-fe.h"
27 #include "sysemu/blockdev.h"
28 #include "sysemu/qtest.h"
29 #include "qemu/cutils.h"
30 #include "qemu/log.h"
31 #include "qom/object.h"
32
33 static struct {
34 hwaddr io_base;
35 int irqn;
36 } pxa255_serial[] = {
37 { 0x40100000, PXA2XX_PIC_FFUART },
38 { 0x40200000, PXA2XX_PIC_BTUART },
39 { 0x40700000, PXA2XX_PIC_STUART },
40 { 0x41600000, PXA25X_PIC_HWUART },
41 { 0, 0 }
42 }, pxa270_serial[] = {
43 { 0x40100000, PXA2XX_PIC_FFUART },
44 { 0x40200000, PXA2XX_PIC_BTUART },
45 { 0x40700000, PXA2XX_PIC_STUART },
46 { 0, 0 }
47 };
48
49 typedef struct PXASSPDef {
50 hwaddr io_base;
51 int irqn;
52 } PXASSPDef;
53
54 #if 0
55 static PXASSPDef pxa250_ssp[] = {
56 { 0x41000000, PXA2XX_PIC_SSP },
57 { 0, 0 }
58 };
59 #endif
60
61 static PXASSPDef pxa255_ssp[] = {
62 { 0x41000000, PXA2XX_PIC_SSP },
63 { 0x41400000, PXA25X_PIC_NSSP },
64 { 0, 0 }
65 };
66
67 #if 0
68 static PXASSPDef pxa26x_ssp[] = {
69 { 0x41000000, PXA2XX_PIC_SSP },
70 { 0x41400000, PXA25X_PIC_NSSP },
71 { 0x41500000, PXA26X_PIC_ASSP },
72 { 0, 0 }
73 };
74 #endif
75
76 static PXASSPDef pxa27x_ssp[] = {
77 { 0x41000000, PXA2XX_PIC_SSP },
78 { 0x41700000, PXA27X_PIC_SSP2 },
79 { 0x41900000, PXA2XX_PIC_SSP3 },
80 { 0, 0 }
81 };
82
83 #define PMCR 0x00 /* Power Manager Control register */
84 #define PSSR 0x04 /* Power Manager Sleep Status register */
85 #define PSPR 0x08 /* Power Manager Scratch-Pad register */
86 #define PWER 0x0c /* Power Manager Wake-Up Enable register */
87 #define PRER 0x10 /* Power Manager Rising-Edge Detect Enable register */
88 #define PFER 0x14 /* Power Manager Falling-Edge Detect Enable register */
89 #define PEDR 0x18 /* Power Manager Edge-Detect Status register */
90 #define PCFR 0x1c /* Power Manager General Configuration register */
91 #define PGSR0 0x20 /* Power Manager GPIO Sleep-State register 0 */
92 #define PGSR1 0x24 /* Power Manager GPIO Sleep-State register 1 */
93 #define PGSR2 0x28 /* Power Manager GPIO Sleep-State register 2 */
94 #define PGSR3 0x2c /* Power Manager GPIO Sleep-State register 3 */
95 #define RCSR 0x30 /* Reset Controller Status register */
96 #define PSLR 0x34 /* Power Manager Sleep Configuration register */
97 #define PTSR 0x38 /* Power Manager Standby Configuration register */
98 #define PVCR 0x40 /* Power Manager Voltage Change Control register */
99 #define PUCR 0x4c /* Power Manager USIM Card Control/Status register */
100 #define PKWR 0x50 /* Power Manager Keyboard Wake-Up Enable register */
101 #define PKSR 0x54 /* Power Manager Keyboard Level-Detect Status */
102 #define PCMD0 0x80 /* Power Manager I2C Command register File 0 */
103 #define PCMD31 0xfc /* Power Manager I2C Command register File 31 */
104
105 static uint64_t pxa2xx_pm_read(void *opaque, hwaddr addr,
106 unsigned size)
107 {
108 PXA2xxState *s = (PXA2xxState *) opaque;
109
110 switch (addr) {
111 case PMCR ... PCMD31:
112 if (addr & 3)
113 goto fail;
114
115 return s->pm_regs[addr >> 2];
116 default:
117 fail:
118 qemu_log_mask(LOG_GUEST_ERROR,
119 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
120 __func__, addr);
121 break;
122 }
123 return 0;
124 }
125
126 static void pxa2xx_pm_write(void *opaque, hwaddr addr,
127 uint64_t value, unsigned size)
128 {
129 PXA2xxState *s = (PXA2xxState *) opaque;
130
131 switch (addr) {
132 case PMCR:
133 /* Clear the write-one-to-clear bits... */
134 s->pm_regs[addr >> 2] &= ~(value & 0x2a);
135 /* ...and set the plain r/w bits */
136 s->pm_regs[addr >> 2] &= ~0x15;
137 s->pm_regs[addr >> 2] |= value & 0x15;
138 break;
139
140 case PSSR: /* Read-clean registers */
141 case RCSR:
142 case PKSR:
143 s->pm_regs[addr >> 2] &= ~value;
144 break;
145
146 default: /* Read-write registers */
147 if (!(addr & 3)) {
148 s->pm_regs[addr >> 2] = value;
149 break;
150 }
151 qemu_log_mask(LOG_GUEST_ERROR,
152 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
153 __func__, addr);
154 break;
155 }
156 }
157
158 static const MemoryRegionOps pxa2xx_pm_ops = {
159 .read = pxa2xx_pm_read,
160 .write = pxa2xx_pm_write,
161 .endianness = DEVICE_NATIVE_ENDIAN,
162 };
163
164 static const VMStateDescription vmstate_pxa2xx_pm = {
165 .name = "pxa2xx_pm",
166 .version_id = 0,
167 .minimum_version_id = 0,
168 .fields = (VMStateField[]) {
169 VMSTATE_UINT32_ARRAY(pm_regs, PXA2xxState, 0x40),
170 VMSTATE_END_OF_LIST()
171 }
172 };
173
174 #define CCCR 0x00 /* Core Clock Configuration register */
175 #define CKEN 0x04 /* Clock Enable register */
176 #define OSCC 0x08 /* Oscillator Configuration register */
177 #define CCSR 0x0c /* Core Clock Status register */
178
179 static uint64_t pxa2xx_cm_read(void *opaque, hwaddr addr,
180 unsigned size)
181 {
182 PXA2xxState *s = (PXA2xxState *) opaque;
183
184 switch (addr) {
185 case CCCR:
186 case CKEN:
187 case OSCC:
188 return s->cm_regs[addr >> 2];
189
190 case CCSR:
191 return s->cm_regs[CCCR >> 2] | (3 << 28);
192
193 default:
194 qemu_log_mask(LOG_GUEST_ERROR,
195 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
196 __func__, addr);
197 break;
198 }
199 return 0;
200 }
201
202 static void pxa2xx_cm_write(void *opaque, hwaddr addr,
203 uint64_t value, unsigned size)
204 {
205 PXA2xxState *s = (PXA2xxState *) opaque;
206
207 switch (addr) {
208 case CCCR:
209 case CKEN:
210 s->cm_regs[addr >> 2] = value;
211 break;
212
213 case OSCC:
214 s->cm_regs[addr >> 2] &= ~0x6c;
215 s->cm_regs[addr >> 2] |= value & 0x6e;
216 if ((value >> 1) & 1) /* OON */
217 s->cm_regs[addr >> 2] |= 1 << 0; /* Oscillator is now stable */
218 break;
219
220 default:
221 qemu_log_mask(LOG_GUEST_ERROR,
222 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
223 __func__, addr);
224 break;
225 }
226 }
227
228 static const MemoryRegionOps pxa2xx_cm_ops = {
229 .read = pxa2xx_cm_read,
230 .write = pxa2xx_cm_write,
231 .endianness = DEVICE_NATIVE_ENDIAN,
232 };
233
234 static const VMStateDescription vmstate_pxa2xx_cm = {
235 .name = "pxa2xx_cm",
236 .version_id = 0,
237 .minimum_version_id = 0,
238 .fields = (VMStateField[]) {
239 VMSTATE_UINT32_ARRAY(cm_regs, PXA2xxState, 4),
240 VMSTATE_UINT32(clkcfg, PXA2xxState),
241 VMSTATE_UINT32(pmnc, PXA2xxState),
242 VMSTATE_END_OF_LIST()
243 }
244 };
245
246 static uint64_t pxa2xx_clkcfg_read(CPUARMState *env, const ARMCPRegInfo *ri)
247 {
248 PXA2xxState *s = (PXA2xxState *)ri->opaque;
249 return s->clkcfg;
250 }
251
252 static void pxa2xx_clkcfg_write(CPUARMState *env, const ARMCPRegInfo *ri,
253 uint64_t value)
254 {
255 PXA2xxState *s = (PXA2xxState *)ri->opaque;
256 s->clkcfg = value & 0xf;
257 if (value & 2) {
258 printf("%s: CPU frequency change attempt\n", __func__);
259 }
260 }
261
262 static void pxa2xx_pwrmode_write(CPUARMState *env, const ARMCPRegInfo *ri,
263 uint64_t value)
264 {
265 PXA2xxState *s = (PXA2xxState *)ri->opaque;
266 static const char *pwrmode[8] = {
267 "Normal", "Idle", "Deep-idle", "Standby",
268 "Sleep", "reserved (!)", "reserved (!)", "Deep-sleep",
269 };
270
271 if (value & 8) {
272 printf("%s: CPU voltage change attempt\n", __func__);
273 }
274 switch (value & 7) {
275 case 0:
276 /* Do nothing */
277 break;
278
279 case 1:
280 /* Idle */
281 if (!(s->cm_regs[CCCR >> 2] & (1U << 31))) { /* CPDIS */
282 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
283 break;
284 }
285 /* Fall through. */
286
287 case 2:
288 /* Deep-Idle */
289 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
290 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
291 goto message;
292
293 case 3:
294 s->cpu->env.uncached_cpsr = ARM_CPU_MODE_SVC;
295 s->cpu->env.daif = PSTATE_A | PSTATE_F | PSTATE_I;
296 s->cpu->env.cp15.sctlr_ns = 0;
297 s->cpu->env.cp15.cpacr_el1 = 0;
298 s->cpu->env.cp15.ttbr0_el[1] = 0;
299 s->cpu->env.cp15.dacr_ns = 0;
300 s->pm_regs[PSSR >> 2] |= 0x8; /* Set STS */
301 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
302
303 /*
304 * The scratch-pad register is almost universally used
305 * for storing the return address on suspend. For the
306 * lack of a resuming bootloader, perform a jump
307 * directly to that address.
308 */
309 memset(s->cpu->env.regs, 0, 4 * 15);
310 s->cpu->env.regs[15] = s->pm_regs[PSPR >> 2];
311
312 #if 0
313 buffer = 0xe59ff000; /* ldr pc, [pc, #0] */
314 cpu_physical_memory_write(0, &buffer, 4);
315 buffer = s->pm_regs[PSPR >> 2];
316 cpu_physical_memory_write(8, &buffer, 4);
317 #endif
318
319 /* Suspend */
320 cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT);
321
322 goto message;
323
324 default:
325 message:
326 printf("%s: machine entered %s mode\n", __func__,
327 pwrmode[value & 7]);
328 }
329 }
330
331 static uint64_t pxa2xx_cppmnc_read(CPUARMState *env, const ARMCPRegInfo *ri)
332 {
333 PXA2xxState *s = (PXA2xxState *)ri->opaque;
334 return s->pmnc;
335 }
336
337 static void pxa2xx_cppmnc_write(CPUARMState *env, const ARMCPRegInfo *ri,
338 uint64_t value)
339 {
340 PXA2xxState *s = (PXA2xxState *)ri->opaque;
341 s->pmnc = value;
342 }
343
344 static uint64_t pxa2xx_cpccnt_read(CPUARMState *env, const ARMCPRegInfo *ri)
345 {
346 PXA2xxState *s = (PXA2xxState *)ri->opaque;
347 if (s->pmnc & 1) {
348 return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
349 } else {
350 return 0;
351 }
352 }
353
354 static const ARMCPRegInfo pxa_cp_reginfo[] = {
355 /* cp14 crm==1: perf registers */
356 { .name = "CPPMNC", .cp = 14, .crn = 0, .crm = 1, .opc1 = 0, .opc2 = 0,
357 .access = PL1_RW, .type = ARM_CP_IO,
358 .readfn = pxa2xx_cppmnc_read, .writefn = pxa2xx_cppmnc_write },
359 { .name = "CPCCNT", .cp = 14, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0,
360 .access = PL1_RW, .type = ARM_CP_IO,
361 .readfn = pxa2xx_cpccnt_read, .writefn = arm_cp_write_ignore },
362 { .name = "CPINTEN", .cp = 14, .crn = 4, .crm = 1, .opc1 = 0, .opc2 = 0,
363 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
364 { .name = "CPFLAG", .cp = 14, .crn = 5, .crm = 1, .opc1 = 0, .opc2 = 0,
365 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
366 { .name = "CPEVTSEL", .cp = 14, .crn = 8, .crm = 1, .opc1 = 0, .opc2 = 0,
367 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
368 /* cp14 crm==2: performance count registers */
369 { .name = "CPPMN0", .cp = 14, .crn = 0, .crm = 2, .opc1 = 0, .opc2 = 0,
370 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
371 { .name = "CPPMN1", .cp = 14, .crn = 1, .crm = 2, .opc1 = 0, .opc2 = 0,
372 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
373 { .name = "CPPMN2", .cp = 14, .crn = 2, .crm = 2, .opc1 = 0, .opc2 = 0,
374 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
375 { .name = "CPPMN3", .cp = 14, .crn = 2, .crm = 3, .opc1 = 0, .opc2 = 0,
376 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
377 /* cp14 crn==6: CLKCFG */
378 { .name = "CLKCFG", .cp = 14, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 0,
379 .access = PL1_RW, .type = ARM_CP_IO,
380 .readfn = pxa2xx_clkcfg_read, .writefn = pxa2xx_clkcfg_write },
381 /* cp14 crn==7: PWRMODE */
382 { .name = "PWRMODE", .cp = 14, .crn = 7, .crm = 0, .opc1 = 0, .opc2 = 0,
383 .access = PL1_RW, .type = ARM_CP_IO,
384 .readfn = arm_cp_read_zero, .writefn = pxa2xx_pwrmode_write },
385 REGINFO_SENTINEL
386 };
387
388 static void pxa2xx_setup_cp14(PXA2xxState *s)
389 {
390 define_arm_cp_regs_with_opaque(s->cpu, pxa_cp_reginfo, s);
391 }
392
393 #define MDCNFG 0x00 /* SDRAM Configuration register */
394 #define MDREFR 0x04 /* SDRAM Refresh Control register */
395 #define MSC0 0x08 /* Static Memory Control register 0 */
396 #define MSC1 0x0c /* Static Memory Control register 1 */
397 #define MSC2 0x10 /* Static Memory Control register 2 */
398 #define MECR 0x14 /* Expansion Memory Bus Config register */
399 #define SXCNFG 0x1c /* Synchronous Static Memory Config register */
400 #define MCMEM0 0x28 /* PC Card Memory Socket 0 Timing register */
401 #define MCMEM1 0x2c /* PC Card Memory Socket 1 Timing register */
402 #define MCATT0 0x30 /* PC Card Attribute Socket 0 register */
403 #define MCATT1 0x34 /* PC Card Attribute Socket 1 register */
404 #define MCIO0 0x38 /* PC Card I/O Socket 0 Timing register */
405 #define MCIO1 0x3c /* PC Card I/O Socket 1 Timing register */
406 #define MDMRS 0x40 /* SDRAM Mode Register Set Config register */
407 #define BOOT_DEF 0x44 /* Boot-time Default Configuration register */
408 #define ARB_CNTL 0x48 /* Arbiter Control register */
409 #define BSCNTR0 0x4c /* Memory Buffer Strength Control register 0 */
410 #define BSCNTR1 0x50 /* Memory Buffer Strength Control register 1 */
411 #define LCDBSCNTR 0x54 /* LCD Buffer Strength Control register */
412 #define MDMRSLP 0x58 /* Low Power SDRAM Mode Set Config register */
413 #define BSCNTR2 0x5c /* Memory Buffer Strength Control register 2 */
414 #define BSCNTR3 0x60 /* Memory Buffer Strength Control register 3 */
415 #define SA1110 0x64 /* SA-1110 Memory Compatibility register */
416
417 static uint64_t pxa2xx_mm_read(void *opaque, hwaddr addr,
418 unsigned size)
419 {
420 PXA2xxState *s = (PXA2xxState *) opaque;
421
422 switch (addr) {
423 case MDCNFG ... SA1110:
424 if ((addr & 3) == 0)
425 return s->mm_regs[addr >> 2];
426 /* fall through */
427 default:
428 qemu_log_mask(LOG_GUEST_ERROR,
429 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
430 __func__, addr);
431 break;
432 }
433 return 0;
434 }
435
436 static void pxa2xx_mm_write(void *opaque, hwaddr addr,
437 uint64_t value, unsigned size)
438 {
439 PXA2xxState *s = (PXA2xxState *) opaque;
440
441 switch (addr) {
442 case MDCNFG ... SA1110:
443 if ((addr & 3) == 0) {
444 s->mm_regs[addr >> 2] = value;
445 break;
446 }
447 /* fallthrough */
448 default:
449 qemu_log_mask(LOG_GUEST_ERROR,
450 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
451 __func__, addr);
452 break;
453 }
454 }
455
456 static const MemoryRegionOps pxa2xx_mm_ops = {
457 .read = pxa2xx_mm_read,
458 .write = pxa2xx_mm_write,
459 .endianness = DEVICE_NATIVE_ENDIAN,
460 };
461
462 static const VMStateDescription vmstate_pxa2xx_mm = {
463 .name = "pxa2xx_mm",
464 .version_id = 0,
465 .minimum_version_id = 0,
466 .fields = (VMStateField[]) {
467 VMSTATE_UINT32_ARRAY(mm_regs, PXA2xxState, 0x1a),
468 VMSTATE_END_OF_LIST()
469 }
470 };
471
472 #define TYPE_PXA2XX_SSP "pxa2xx-ssp"
473 OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxSSPState, PXA2XX_SSP)
474
475 /* Synchronous Serial Ports */
476 struct PXA2xxSSPState {
477 /*< private >*/
478 SysBusDevice parent_obj;
479 /*< public >*/
480
481 MemoryRegion iomem;
482 qemu_irq irq;
483 uint32_t enable;
484 SSIBus *bus;
485
486 uint32_t sscr[2];
487 uint32_t sspsp;
488 uint32_t ssto;
489 uint32_t ssitr;
490 uint32_t sssr;
491 uint8_t sstsa;
492 uint8_t ssrsa;
493 uint8_t ssacd;
494
495 uint32_t rx_fifo[16];
496 uint32_t rx_level;
497 uint32_t rx_start;
498 };
499
500 static bool pxa2xx_ssp_vmstate_validate(void *opaque, int version_id)
501 {
502 PXA2xxSSPState *s = opaque;
503
504 return s->rx_start < sizeof(s->rx_fifo);
505 }
506
507 static const VMStateDescription vmstate_pxa2xx_ssp = {
508 .name = "pxa2xx-ssp",
509 .version_id = 1,
510 .minimum_version_id = 1,
511 .fields = (VMStateField[]) {
512 VMSTATE_UINT32(enable, PXA2xxSSPState),
513 VMSTATE_UINT32_ARRAY(sscr, PXA2xxSSPState, 2),
514 VMSTATE_UINT32(sspsp, PXA2xxSSPState),
515 VMSTATE_UINT32(ssto, PXA2xxSSPState),
516 VMSTATE_UINT32(ssitr, PXA2xxSSPState),
517 VMSTATE_UINT32(sssr, PXA2xxSSPState),
518 VMSTATE_UINT8(sstsa, PXA2xxSSPState),
519 VMSTATE_UINT8(ssrsa, PXA2xxSSPState),
520 VMSTATE_UINT8(ssacd, PXA2xxSSPState),
521 VMSTATE_UINT32(rx_level, PXA2xxSSPState),
522 VMSTATE_UINT32(rx_start, PXA2xxSSPState),
523 VMSTATE_VALIDATE("fifo is 16 bytes", pxa2xx_ssp_vmstate_validate),
524 VMSTATE_UINT32_ARRAY(rx_fifo, PXA2xxSSPState, 16),
525 VMSTATE_END_OF_LIST()
526 }
527 };
528
529 #define SSCR0 0x00 /* SSP Control register 0 */
530 #define SSCR1 0x04 /* SSP Control register 1 */
531 #define SSSR 0x08 /* SSP Status register */
532 #define SSITR 0x0c /* SSP Interrupt Test register */
533 #define SSDR 0x10 /* SSP Data register */
534 #define SSTO 0x28 /* SSP Time-Out register */
535 #define SSPSP 0x2c /* SSP Programmable Serial Protocol register */
536 #define SSTSA 0x30 /* SSP TX Time Slot Active register */
537 #define SSRSA 0x34 /* SSP RX Time Slot Active register */
538 #define SSTSS 0x38 /* SSP Time Slot Status register */
539 #define SSACD 0x3c /* SSP Audio Clock Divider register */
540
541 /* Bitfields for above registers */
542 #define SSCR0_SPI(x) (((x) & 0x30) == 0x00)
543 #define SSCR0_SSP(x) (((x) & 0x30) == 0x10)
544 #define SSCR0_UWIRE(x) (((x) & 0x30) == 0x20)
545 #define SSCR0_PSP(x) (((x) & 0x30) == 0x30)
546 #define SSCR0_SSE (1 << 7)
547 #define SSCR0_RIM (1 << 22)
548 #define SSCR0_TIM (1 << 23)
549 #define SSCR0_MOD (1U << 31)
550 #define SSCR0_DSS(x) (((((x) >> 16) & 0x10) | ((x) & 0xf)) + 1)
551 #define SSCR1_RIE (1 << 0)
552 #define SSCR1_TIE (1 << 1)
553 #define SSCR1_LBM (1 << 2)
554 #define SSCR1_MWDS (1 << 5)
555 #define SSCR1_TFT(x) ((((x) >> 6) & 0xf) + 1)
556 #define SSCR1_RFT(x) ((((x) >> 10) & 0xf) + 1)
557 #define SSCR1_EFWR (1 << 14)
558 #define SSCR1_PINTE (1 << 18)
559 #define SSCR1_TINTE (1 << 19)
560 #define SSCR1_RSRE (1 << 20)
561 #define SSCR1_TSRE (1 << 21)
562 #define SSCR1_EBCEI (1 << 29)
563 #define SSITR_INT (7 << 5)
564 #define SSSR_TNF (1 << 2)
565 #define SSSR_RNE (1 << 3)
566 #define SSSR_TFS (1 << 5)
567 #define SSSR_RFS (1 << 6)
568 #define SSSR_ROR (1 << 7)
569 #define SSSR_PINT (1 << 18)
570 #define SSSR_TINT (1 << 19)
571 #define SSSR_EOC (1 << 20)
572 #define SSSR_TUR (1 << 21)
573 #define SSSR_BCE (1 << 23)
574 #define SSSR_RW 0x00bc0080
575
576 static void pxa2xx_ssp_int_update(PXA2xxSSPState *s)
577 {
578 int level = 0;
579
580 level |= s->ssitr & SSITR_INT;
581 level |= (s->sssr & SSSR_BCE) && (s->sscr[1] & SSCR1_EBCEI);
582 level |= (s->sssr & SSSR_TUR) && !(s->sscr[0] & SSCR0_TIM);
583 level |= (s->sssr & SSSR_EOC) && (s->sssr & (SSSR_TINT | SSSR_PINT));
584 level |= (s->sssr & SSSR_TINT) && (s->sscr[1] & SSCR1_TINTE);
585 level |= (s->sssr & SSSR_PINT) && (s->sscr[1] & SSCR1_PINTE);
586 level |= (s->sssr & SSSR_ROR) && !(s->sscr[0] & SSCR0_RIM);
587 level |= (s->sssr & SSSR_RFS) && (s->sscr[1] & SSCR1_RIE);
588 level |= (s->sssr & SSSR_TFS) && (s->sscr[1] & SSCR1_TIE);
589 qemu_set_irq(s->irq, !!level);
590 }
591
592 static void pxa2xx_ssp_fifo_update(PXA2xxSSPState *s)
593 {
594 s->sssr &= ~(0xf << 12); /* Clear RFL */
595 s->sssr &= ~(0xf << 8); /* Clear TFL */
596 s->sssr &= ~SSSR_TFS;
597 s->sssr &= ~SSSR_TNF;
598 if (s->enable) {
599 s->sssr |= ((s->rx_level - 1) & 0xf) << 12;
600 if (s->rx_level >= SSCR1_RFT(s->sscr[1]))
601 s->sssr |= SSSR_RFS;
602 else
603 s->sssr &= ~SSSR_RFS;
604 if (s->rx_level)
605 s->sssr |= SSSR_RNE;
606 else
607 s->sssr &= ~SSSR_RNE;
608 /* TX FIFO is never filled, so it is always in underrun
609 condition if SSP is enabled */
610 s->sssr |= SSSR_TFS;
611 s->sssr |= SSSR_TNF;
612 }
613
614 pxa2xx_ssp_int_update(s);
615 }
616
617 static uint64_t pxa2xx_ssp_read(void *opaque, hwaddr addr,
618 unsigned size)
619 {
620 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
621 uint32_t retval;
622
623 switch (addr) {
624 case SSCR0:
625 return s->sscr[0];
626 case SSCR1:
627 return s->sscr[1];
628 case SSPSP:
629 return s->sspsp;
630 case SSTO:
631 return s->ssto;
632 case SSITR:
633 return s->ssitr;
634 case SSSR:
635 return s->sssr | s->ssitr;
636 case SSDR:
637 if (!s->enable)
638 return 0xffffffff;
639 if (s->rx_level < 1) {
640 printf("%s: SSP Rx Underrun\n", __func__);
641 return 0xffffffff;
642 }
643 s->rx_level --;
644 retval = s->rx_fifo[s->rx_start ++];
645 s->rx_start &= 0xf;
646 pxa2xx_ssp_fifo_update(s);
647 return retval;
648 case SSTSA:
649 return s->sstsa;
650 case SSRSA:
651 return s->ssrsa;
652 case SSTSS:
653 return 0;
654 case SSACD:
655 return s->ssacd;
656 default:
657 qemu_log_mask(LOG_GUEST_ERROR,
658 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
659 __func__, addr);
660 break;
661 }
662 return 0;
663 }
664
665 static void pxa2xx_ssp_write(void *opaque, hwaddr addr,
666 uint64_t value64, unsigned size)
667 {
668 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
669 uint32_t value = value64;
670
671 switch (addr) {
672 case SSCR0:
673 s->sscr[0] = value & 0xc7ffffff;
674 s->enable = value & SSCR0_SSE;
675 if (value & SSCR0_MOD)
676 printf("%s: Attempt to use network mode\n", __func__);
677 if (s->enable && SSCR0_DSS(value) < 4)
678 printf("%s: Wrong data size: %i bits\n", __func__,
679 SSCR0_DSS(value));
680 if (!(value & SSCR0_SSE)) {
681 s->sssr = 0;
682 s->ssitr = 0;
683 s->rx_level = 0;
684 }
685 pxa2xx_ssp_fifo_update(s);
686 break;
687
688 case SSCR1:
689 s->sscr[1] = value;
690 if (value & (SSCR1_LBM | SSCR1_EFWR))
691 printf("%s: Attempt to use SSP test mode\n", __func__);
692 pxa2xx_ssp_fifo_update(s);
693 break;
694
695 case SSPSP:
696 s->sspsp = value;
697 break;
698
699 case SSTO:
700 s->ssto = value;
701 break;
702
703 case SSITR:
704 s->ssitr = value & SSITR_INT;
705 pxa2xx_ssp_int_update(s);
706 break;
707
708 case SSSR:
709 s->sssr &= ~(value & SSSR_RW);
710 pxa2xx_ssp_int_update(s);
711 break;
712
713 case SSDR:
714 if (SSCR0_UWIRE(s->sscr[0])) {
715 if (s->sscr[1] & SSCR1_MWDS)
716 value &= 0xffff;
717 else
718 value &= 0xff;
719 } else
720 /* Note how 32bits overflow does no harm here */
721 value &= (1 << SSCR0_DSS(s->sscr[0])) - 1;
722
723 /* Data goes from here to the Tx FIFO and is shifted out from
724 * there directly to the slave, no need to buffer it.
725 */
726 if (s->enable) {
727 uint32_t readval;
728 readval = ssi_transfer(s->bus, value);
729 if (s->rx_level < 0x10) {
730 s->rx_fifo[(s->rx_start + s->rx_level ++) & 0xf] = readval;
731 } else {
732 s->sssr |= SSSR_ROR;
733 }
734 }
735 pxa2xx_ssp_fifo_update(s);
736 break;
737
738 case SSTSA:
739 s->sstsa = value;
740 break;
741
742 case SSRSA:
743 s->ssrsa = value;
744 break;
745
746 case SSACD:
747 s->ssacd = value;
748 break;
749
750 default:
751 qemu_log_mask(LOG_GUEST_ERROR,
752 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
753 __func__, addr);
754 break;
755 }
756 }
757
758 static const MemoryRegionOps pxa2xx_ssp_ops = {
759 .read = pxa2xx_ssp_read,
760 .write = pxa2xx_ssp_write,
761 .endianness = DEVICE_NATIVE_ENDIAN,
762 };
763
764 static void pxa2xx_ssp_reset(DeviceState *d)
765 {
766 PXA2xxSSPState *s = PXA2XX_SSP(d);
767
768 s->enable = 0;
769 s->sscr[0] = s->sscr[1] = 0;
770 s->sspsp = 0;
771 s->ssto = 0;
772 s->ssitr = 0;
773 s->sssr = 0;
774 s->sstsa = 0;
775 s->ssrsa = 0;
776 s->ssacd = 0;
777 s->rx_start = s->rx_level = 0;
778 }
779
780 static void pxa2xx_ssp_init(Object *obj)
781 {
782 DeviceState *dev = DEVICE(obj);
783 PXA2xxSSPState *s = PXA2XX_SSP(obj);
784 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
785 sysbus_init_irq(sbd, &s->irq);
786
787 memory_region_init_io(&s->iomem, obj, &pxa2xx_ssp_ops, s,
788 "pxa2xx-ssp", 0x1000);
789 sysbus_init_mmio(sbd, &s->iomem);
790
791 s->bus = ssi_create_bus(dev, "ssi");
792 }
793
794 /* Real-Time Clock */
795 #define RCNR 0x00 /* RTC Counter register */
796 #define RTAR 0x04 /* RTC Alarm register */
797 #define RTSR 0x08 /* RTC Status register */
798 #define RTTR 0x0c /* RTC Timer Trim register */
799 #define RDCR 0x10 /* RTC Day Counter register */
800 #define RYCR 0x14 /* RTC Year Counter register */
801 #define RDAR1 0x18 /* RTC Wristwatch Day Alarm register 1 */
802 #define RYAR1 0x1c /* RTC Wristwatch Year Alarm register 1 */
803 #define RDAR2 0x20 /* RTC Wristwatch Day Alarm register 2 */
804 #define RYAR2 0x24 /* RTC Wristwatch Year Alarm register 2 */
805 #define SWCR 0x28 /* RTC Stopwatch Counter register */
806 #define SWAR1 0x2c /* RTC Stopwatch Alarm register 1 */
807 #define SWAR2 0x30 /* RTC Stopwatch Alarm register 2 */
808 #define RTCPICR 0x34 /* RTC Periodic Interrupt Counter register */
809 #define PIAR 0x38 /* RTC Periodic Interrupt Alarm register */
810
811 #define TYPE_PXA2XX_RTC "pxa2xx_rtc"
812 OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxRTCState, PXA2XX_RTC)
813
814 struct PXA2xxRTCState {
815 /*< private >*/
816 SysBusDevice parent_obj;
817 /*< public >*/
818
819 MemoryRegion iomem;
820 uint32_t rttr;
821 uint32_t rtsr;
822 uint32_t rtar;
823 uint32_t rdar1;
824 uint32_t rdar2;
825 uint32_t ryar1;
826 uint32_t ryar2;
827 uint32_t swar1;
828 uint32_t swar2;
829 uint32_t piar;
830 uint32_t last_rcnr;
831 uint32_t last_rdcr;
832 uint32_t last_rycr;
833 uint32_t last_swcr;
834 uint32_t last_rtcpicr;
835 int64_t last_hz;
836 int64_t last_sw;
837 int64_t last_pi;
838 QEMUTimer *rtc_hz;
839 QEMUTimer *rtc_rdal1;
840 QEMUTimer *rtc_rdal2;
841 QEMUTimer *rtc_swal1;
842 QEMUTimer *rtc_swal2;
843 QEMUTimer *rtc_pi;
844 qemu_irq rtc_irq;
845 };
846
847 static inline void pxa2xx_rtc_int_update(PXA2xxRTCState *s)
848 {
849 qemu_set_irq(s->rtc_irq, !!(s->rtsr & 0x2553));
850 }
851
852 static void pxa2xx_rtc_hzupdate(PXA2xxRTCState *s)
853 {
854 int64_t rt = qemu_clock_get_ms(rtc_clock);
855 s->last_rcnr += ((rt - s->last_hz) << 15) /
856 (1000 * ((s->rttr & 0xffff) + 1));
857 s->last_rdcr += ((rt - s->last_hz) << 15) /
858 (1000 * ((s->rttr & 0xffff) + 1));
859 s->last_hz = rt;
860 }
861
862 static void pxa2xx_rtc_swupdate(PXA2xxRTCState *s)
863 {
864 int64_t rt = qemu_clock_get_ms(rtc_clock);
865 if (s->rtsr & (1 << 12))
866 s->last_swcr += (rt - s->last_sw) / 10;
867 s->last_sw = rt;
868 }
869
870 static void pxa2xx_rtc_piupdate(PXA2xxRTCState *s)
871 {
872 int64_t rt = qemu_clock_get_ms(rtc_clock);
873 if (s->rtsr & (1 << 15))
874 s->last_swcr += rt - s->last_pi;
875 s->last_pi = rt;
876 }
877
878 static inline void pxa2xx_rtc_alarm_update(PXA2xxRTCState *s,
879 uint32_t rtsr)
880 {
881 if ((rtsr & (1 << 2)) && !(rtsr & (1 << 0)))
882 timer_mod(s->rtc_hz, s->last_hz +
883 (((s->rtar - s->last_rcnr) * 1000 *
884 ((s->rttr & 0xffff) + 1)) >> 15));
885 else
886 timer_del(s->rtc_hz);
887
888 if ((rtsr & (1 << 5)) && !(rtsr & (1 << 4)))
889 timer_mod(s->rtc_rdal1, s->last_hz +
890 (((s->rdar1 - s->last_rdcr) * 1000 *
891 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
892 else
893 timer_del(s->rtc_rdal1);
894
895 if ((rtsr & (1 << 7)) && !(rtsr & (1 << 6)))
896 timer_mod(s->rtc_rdal2, s->last_hz +
897 (((s->rdar2 - s->last_rdcr) * 1000 *
898 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
899 else
900 timer_del(s->rtc_rdal2);
901
902 if ((rtsr & 0x1200) == 0x1200 && !(rtsr & (1 << 8)))
903 timer_mod(s->rtc_swal1, s->last_sw +
904 (s->swar1 - s->last_swcr) * 10); /* TODO: fixup */
905 else
906 timer_del(s->rtc_swal1);
907
908 if ((rtsr & 0x1800) == 0x1800 && !(rtsr & (1 << 10)))
909 timer_mod(s->rtc_swal2, s->last_sw +
910 (s->swar2 - s->last_swcr) * 10); /* TODO: fixup */
911 else
912 timer_del(s->rtc_swal2);
913
914 if ((rtsr & 0xc000) == 0xc000 && !(rtsr & (1 << 13)))
915 timer_mod(s->rtc_pi, s->last_pi +
916 (s->piar & 0xffff) - s->last_rtcpicr);
917 else
918 timer_del(s->rtc_pi);
919 }
920
921 static inline void pxa2xx_rtc_hz_tick(void *opaque)
922 {
923 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
924 s->rtsr |= (1 << 0);
925 pxa2xx_rtc_alarm_update(s, s->rtsr);
926 pxa2xx_rtc_int_update(s);
927 }
928
929 static inline void pxa2xx_rtc_rdal1_tick(void *opaque)
930 {
931 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
932 s->rtsr |= (1 << 4);
933 pxa2xx_rtc_alarm_update(s, s->rtsr);
934 pxa2xx_rtc_int_update(s);
935 }
936
937 static inline void pxa2xx_rtc_rdal2_tick(void *opaque)
938 {
939 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
940 s->rtsr |= (1 << 6);
941 pxa2xx_rtc_alarm_update(s, s->rtsr);
942 pxa2xx_rtc_int_update(s);
943 }
944
945 static inline void pxa2xx_rtc_swal1_tick(void *opaque)
946 {
947 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
948 s->rtsr |= (1 << 8);
949 pxa2xx_rtc_alarm_update(s, s->rtsr);
950 pxa2xx_rtc_int_update(s);
951 }
952
953 static inline void pxa2xx_rtc_swal2_tick(void *opaque)
954 {
955 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
956 s->rtsr |= (1 << 10);
957 pxa2xx_rtc_alarm_update(s, s->rtsr);
958 pxa2xx_rtc_int_update(s);
959 }
960
961 static inline void pxa2xx_rtc_pi_tick(void *opaque)
962 {
963 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
964 s->rtsr |= (1 << 13);
965 pxa2xx_rtc_piupdate(s);
966 s->last_rtcpicr = 0;
967 pxa2xx_rtc_alarm_update(s, s->rtsr);
968 pxa2xx_rtc_int_update(s);
969 }
970
971 static uint64_t pxa2xx_rtc_read(void *opaque, hwaddr addr,
972 unsigned size)
973 {
974 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
975
976 switch (addr) {
977 case RTTR:
978 return s->rttr;
979 case RTSR:
980 return s->rtsr;
981 case RTAR:
982 return s->rtar;
983 case RDAR1:
984 return s->rdar1;
985 case RDAR2:
986 return s->rdar2;
987 case RYAR1:
988 return s->ryar1;
989 case RYAR2:
990 return s->ryar2;
991 case SWAR1:
992 return s->swar1;
993 case SWAR2:
994 return s->swar2;
995 case PIAR:
996 return s->piar;
997 case RCNR:
998 return s->last_rcnr +
999 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) /
1000 (1000 * ((s->rttr & 0xffff) + 1));
1001 case RDCR:
1002 return s->last_rdcr +
1003 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) /
1004 (1000 * ((s->rttr & 0xffff) + 1));
1005 case RYCR:
1006 return s->last_rycr;
1007 case SWCR:
1008 if (s->rtsr & (1 << 12))
1009 return s->last_swcr +
1010 (qemu_clock_get_ms(rtc_clock) - s->last_sw) / 10;
1011 else
1012 return s->last_swcr;
1013 default:
1014 qemu_log_mask(LOG_GUEST_ERROR,
1015 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
1016 __func__, addr);
1017 break;
1018 }
1019 return 0;
1020 }
1021
1022 static void pxa2xx_rtc_write(void *opaque, hwaddr addr,
1023 uint64_t value64, unsigned size)
1024 {
1025 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1026 uint32_t value = value64;
1027
1028 switch (addr) {
1029 case RTTR:
1030 if (!(s->rttr & (1U << 31))) {
1031 pxa2xx_rtc_hzupdate(s);
1032 s->rttr = value;
1033 pxa2xx_rtc_alarm_update(s, s->rtsr);
1034 }
1035 break;
1036
1037 case RTSR:
1038 if ((s->rtsr ^ value) & (1 << 15))
1039 pxa2xx_rtc_piupdate(s);
1040
1041 if ((s->rtsr ^ value) & (1 << 12))
1042 pxa2xx_rtc_swupdate(s);
1043
1044 if (((s->rtsr ^ value) & 0x4aac) | (value & ~0xdaac))
1045 pxa2xx_rtc_alarm_update(s, value);
1046
1047 s->rtsr = (value & 0xdaac) | (s->rtsr & ~(value & ~0xdaac));
1048 pxa2xx_rtc_int_update(s);
1049 break;
1050
1051 case RTAR:
1052 s->rtar = value;
1053 pxa2xx_rtc_alarm_update(s, s->rtsr);
1054 break;
1055
1056 case RDAR1:
1057 s->rdar1 = value;
1058 pxa2xx_rtc_alarm_update(s, s->rtsr);
1059 break;
1060
1061 case RDAR2:
1062 s->rdar2 = value;
1063 pxa2xx_rtc_alarm_update(s, s->rtsr);
1064 break;
1065
1066 case RYAR1:
1067 s->ryar1 = value;
1068 pxa2xx_rtc_alarm_update(s, s->rtsr);
1069 break;
1070
1071 case RYAR2:
1072 s->ryar2 = value;
1073 pxa2xx_rtc_alarm_update(s, s->rtsr);
1074 break;
1075
1076 case SWAR1:
1077 pxa2xx_rtc_swupdate(s);
1078 s->swar1 = value;
1079 s->last_swcr = 0;
1080 pxa2xx_rtc_alarm_update(s, s->rtsr);
1081 break;
1082
1083 case SWAR2:
1084 s->swar2 = value;
1085 pxa2xx_rtc_alarm_update(s, s->rtsr);
1086 break;
1087
1088 case PIAR:
1089 s->piar = value;
1090 pxa2xx_rtc_alarm_update(s, s->rtsr);
1091 break;
1092
1093 case RCNR:
1094 pxa2xx_rtc_hzupdate(s);
1095 s->last_rcnr = value;
1096 pxa2xx_rtc_alarm_update(s, s->rtsr);
1097 break;
1098
1099 case RDCR:
1100 pxa2xx_rtc_hzupdate(s);
1101 s->last_rdcr = value;
1102 pxa2xx_rtc_alarm_update(s, s->rtsr);
1103 break;
1104
1105 case RYCR:
1106 s->last_rycr = value;
1107 break;
1108
1109 case SWCR:
1110 pxa2xx_rtc_swupdate(s);
1111 s->last_swcr = value;
1112 pxa2xx_rtc_alarm_update(s, s->rtsr);
1113 break;
1114
1115 case RTCPICR:
1116 pxa2xx_rtc_piupdate(s);
1117 s->last_rtcpicr = value & 0xffff;
1118 pxa2xx_rtc_alarm_update(s, s->rtsr);
1119 break;
1120
1121 default:
1122 qemu_log_mask(LOG_GUEST_ERROR,
1123 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
1124 __func__, addr);
1125 }
1126 }
1127
1128 static const MemoryRegionOps pxa2xx_rtc_ops = {
1129 .read = pxa2xx_rtc_read,
1130 .write = pxa2xx_rtc_write,
1131 .endianness = DEVICE_NATIVE_ENDIAN,
1132 };
1133
1134 static void pxa2xx_rtc_init(Object *obj)
1135 {
1136 PXA2xxRTCState *s = PXA2XX_RTC(obj);
1137 SysBusDevice *dev = SYS_BUS_DEVICE(obj);
1138 struct tm tm;
1139 int wom;
1140
1141 s->rttr = 0x7fff;
1142 s->rtsr = 0;
1143
1144 qemu_get_timedate(&tm, 0);
1145 wom = ((tm.tm_mday - 1) / 7) + 1;
1146
1147 s->last_rcnr = (uint32_t) mktimegm(&tm);
1148 s->last_rdcr = (wom << 20) | ((tm.tm_wday + 1) << 17) |
1149 (tm.tm_hour << 12) | (tm.tm_min << 6) | tm.tm_sec;
1150 s->last_rycr = ((tm.tm_year + 1900) << 9) |
1151 ((tm.tm_mon + 1) << 5) | tm.tm_mday;
1152 s->last_swcr = (tm.tm_hour << 19) |
1153 (tm.tm_min << 13) | (tm.tm_sec << 7);
1154 s->last_rtcpicr = 0;
1155 s->last_hz = s->last_sw = s->last_pi = qemu_clock_get_ms(rtc_clock);
1156
1157 sysbus_init_irq(dev, &s->rtc_irq);
1158
1159 memory_region_init_io(&s->iomem, obj, &pxa2xx_rtc_ops, s,
1160 "pxa2xx-rtc", 0x10000);
1161 sysbus_init_mmio(dev, &s->iomem);
1162 }
1163
1164 static void pxa2xx_rtc_realize(DeviceState *dev, Error **errp)
1165 {
1166 PXA2xxRTCState *s = PXA2XX_RTC(dev);
1167 s->rtc_hz = timer_new_ms(rtc_clock, pxa2xx_rtc_hz_tick, s);
1168 s->rtc_rdal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal1_tick, s);
1169 s->rtc_rdal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal2_tick, s);
1170 s->rtc_swal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal1_tick, s);
1171 s->rtc_swal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal2_tick, s);
1172 s->rtc_pi = timer_new_ms(rtc_clock, pxa2xx_rtc_pi_tick, s);
1173 }
1174
1175 static int pxa2xx_rtc_pre_save(void *opaque)
1176 {
1177 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1178
1179 pxa2xx_rtc_hzupdate(s);
1180 pxa2xx_rtc_piupdate(s);
1181 pxa2xx_rtc_swupdate(s);
1182
1183 return 0;
1184 }
1185
1186 static int pxa2xx_rtc_post_load(void *opaque, int version_id)
1187 {
1188 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1189
1190 pxa2xx_rtc_alarm_update(s, s->rtsr);
1191
1192 return 0;
1193 }
1194
1195 static const VMStateDescription vmstate_pxa2xx_rtc_regs = {
1196 .name = "pxa2xx_rtc",
1197 .version_id = 0,
1198 .minimum_version_id = 0,
1199 .pre_save = pxa2xx_rtc_pre_save,
1200 .post_load = pxa2xx_rtc_post_load,
1201 .fields = (VMStateField[]) {
1202 VMSTATE_UINT32(rttr, PXA2xxRTCState),
1203 VMSTATE_UINT32(rtsr, PXA2xxRTCState),
1204 VMSTATE_UINT32(rtar, PXA2xxRTCState),
1205 VMSTATE_UINT32(rdar1, PXA2xxRTCState),
1206 VMSTATE_UINT32(rdar2, PXA2xxRTCState),
1207 VMSTATE_UINT32(ryar1, PXA2xxRTCState),
1208 VMSTATE_UINT32(ryar2, PXA2xxRTCState),
1209 VMSTATE_UINT32(swar1, PXA2xxRTCState),
1210 VMSTATE_UINT32(swar2, PXA2xxRTCState),
1211 VMSTATE_UINT32(piar, PXA2xxRTCState),
1212 VMSTATE_UINT32(last_rcnr, PXA2xxRTCState),
1213 VMSTATE_UINT32(last_rdcr, PXA2xxRTCState),
1214 VMSTATE_UINT32(last_rycr, PXA2xxRTCState),
1215 VMSTATE_UINT32(last_swcr, PXA2xxRTCState),
1216 VMSTATE_UINT32(last_rtcpicr, PXA2xxRTCState),
1217 VMSTATE_INT64(last_hz, PXA2xxRTCState),
1218 VMSTATE_INT64(last_sw, PXA2xxRTCState),
1219 VMSTATE_INT64(last_pi, PXA2xxRTCState),
1220 VMSTATE_END_OF_LIST(),
1221 },
1222 };
1223
1224 static void pxa2xx_rtc_sysbus_class_init(ObjectClass *klass, void *data)
1225 {
1226 DeviceClass *dc = DEVICE_CLASS(klass);
1227
1228 dc->desc = "PXA2xx RTC Controller";
1229 dc->vmsd = &vmstate_pxa2xx_rtc_regs;
1230 dc->realize = pxa2xx_rtc_realize;
1231 }
1232
1233 static const TypeInfo pxa2xx_rtc_sysbus_info = {
1234 .name = TYPE_PXA2XX_RTC,
1235 .parent = TYPE_SYS_BUS_DEVICE,
1236 .instance_size = sizeof(PXA2xxRTCState),
1237 .instance_init = pxa2xx_rtc_init,
1238 .class_init = pxa2xx_rtc_sysbus_class_init,
1239 };
1240
1241 /* I2C Interface */
1242
1243 #define TYPE_PXA2XX_I2C_SLAVE "pxa2xx-i2c-slave"
1244 OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxI2CSlaveState, PXA2XX_I2C_SLAVE)
1245
1246 struct PXA2xxI2CSlaveState {
1247 I2CSlave parent_obj;
1248
1249 PXA2xxI2CState *host;
1250 };
1251
1252 struct PXA2xxI2CState {
1253 /*< private >*/
1254 SysBusDevice parent_obj;
1255 /*< public >*/
1256
1257 MemoryRegion iomem;
1258 PXA2xxI2CSlaveState *slave;
1259 I2CBus *bus;
1260 qemu_irq irq;
1261 uint32_t offset;
1262 uint32_t region_size;
1263
1264 uint16_t control;
1265 uint16_t status;
1266 uint8_t ibmr;
1267 uint8_t data;
1268 };
1269
1270 #define IBMR 0x80 /* I2C Bus Monitor register */
1271 #define IDBR 0x88 /* I2C Data Buffer register */
1272 #define ICR 0x90 /* I2C Control register */
1273 #define ISR 0x98 /* I2C Status register */
1274 #define ISAR 0xa0 /* I2C Slave Address register */
1275
1276 static void pxa2xx_i2c_update(PXA2xxI2CState *s)
1277 {
1278 uint16_t level = 0;
1279 level |= s->status & s->control & (1 << 10); /* BED */
1280 level |= (s->status & (1 << 7)) && (s->control & (1 << 9)); /* IRF */
1281 level |= (s->status & (1 << 6)) && (s->control & (1 << 8)); /* ITE */
1282 level |= s->status & (1 << 9); /* SAD */
1283 qemu_set_irq(s->irq, !!level);
1284 }
1285
1286 /* These are only stubs now. */
1287 static int pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event)
1288 {
1289 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1290 PXA2xxI2CState *s = slave->host;
1291
1292 switch (event) {
1293 case I2C_START_SEND:
1294 s->status |= (1 << 9); /* set SAD */
1295 s->status &= ~(1 << 0); /* clear RWM */
1296 break;
1297 case I2C_START_RECV:
1298 s->status |= (1 << 9); /* set SAD */
1299 s->status |= 1 << 0; /* set RWM */
1300 break;
1301 case I2C_FINISH:
1302 s->status |= (1 << 4); /* set SSD */
1303 break;
1304 case I2C_NACK:
1305 s->status |= 1 << 1; /* set ACKNAK */
1306 break;
1307 }
1308 pxa2xx_i2c_update(s);
1309
1310 return 0;
1311 }
1312
1313 static uint8_t pxa2xx_i2c_rx(I2CSlave *i2c)
1314 {
1315 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1316 PXA2xxI2CState *s = slave->host;
1317
1318 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1319 return 0;
1320 }
1321
1322 if (s->status & (1 << 0)) { /* RWM */
1323 s->status |= 1 << 6; /* set ITE */
1324 }
1325 pxa2xx_i2c_update(s);
1326
1327 return s->data;
1328 }
1329
1330 static int pxa2xx_i2c_tx(I2CSlave *i2c, uint8_t data)
1331 {
1332 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1333 PXA2xxI2CState *s = slave->host;
1334
1335 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1336 return 1;
1337 }
1338
1339 if (!(s->status & (1 << 0))) { /* RWM */
1340 s->status |= 1 << 7; /* set IRF */
1341 s->data = data;
1342 }
1343 pxa2xx_i2c_update(s);
1344
1345 return 1;
1346 }
1347
1348 static uint64_t pxa2xx_i2c_read(void *opaque, hwaddr addr,
1349 unsigned size)
1350 {
1351 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1352 I2CSlave *slave;
1353
1354 addr -= s->offset;
1355 switch (addr) {
1356 case ICR:
1357 return s->control;
1358 case ISR:
1359 return s->status | (i2c_bus_busy(s->bus) << 2);
1360 case ISAR:
1361 slave = I2C_SLAVE(s->slave);
1362 return slave->address;
1363 case IDBR:
1364 return s->data;
1365 case IBMR:
1366 if (s->status & (1 << 2))
1367 s->ibmr ^= 3; /* Fake SCL and SDA pin changes */
1368 else
1369 s->ibmr = 0;
1370 return s->ibmr;
1371 default:
1372 qemu_log_mask(LOG_GUEST_ERROR,
1373 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
1374 __func__, addr);
1375 break;
1376 }
1377 return 0;
1378 }
1379
1380 static void pxa2xx_i2c_write(void *opaque, hwaddr addr,
1381 uint64_t value64, unsigned size)
1382 {
1383 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1384 uint32_t value = value64;
1385 int ack;
1386
1387 addr -= s->offset;
1388 switch (addr) {
1389 case ICR:
1390 s->control = value & 0xfff7;
1391 if ((value & (1 << 3)) && (value & (1 << 6))) { /* TB and IUE */
1392 /* TODO: slave mode */
1393 if (value & (1 << 0)) { /* START condition */
1394 if (s->data & 1)
1395 s->status |= 1 << 0; /* set RWM */
1396 else
1397 s->status &= ~(1 << 0); /* clear RWM */
1398 ack = !i2c_start_transfer(s->bus, s->data >> 1, s->data & 1);
1399 } else {
1400 if (s->status & (1 << 0)) { /* RWM */
1401 s->data = i2c_recv(s->bus);
1402 if (value & (1 << 2)) /* ACKNAK */
1403 i2c_nack(s->bus);
1404 ack = 1;
1405 } else
1406 ack = !i2c_send(s->bus, s->data);
1407 }
1408
1409 if (value & (1 << 1)) /* STOP condition */
1410 i2c_end_transfer(s->bus);
1411
1412 if (ack) {
1413 if (value & (1 << 0)) /* START condition */
1414 s->status |= 1 << 6; /* set ITE */
1415 else
1416 if (s->status & (1 << 0)) /* RWM */
1417 s->status |= 1 << 7; /* set IRF */
1418 else
1419 s->status |= 1 << 6; /* set ITE */
1420 s->status &= ~(1 << 1); /* clear ACKNAK */
1421 } else {
1422 s->status |= 1 << 6; /* set ITE */
1423 s->status |= 1 << 10; /* set BED */
1424 s->status |= 1 << 1; /* set ACKNAK */
1425 }
1426 }
1427 if (!(value & (1 << 3)) && (value & (1 << 6))) /* !TB and IUE */
1428 if (value & (1 << 4)) /* MA */
1429 i2c_end_transfer(s->bus);
1430 pxa2xx_i2c_update(s);
1431 break;
1432
1433 case ISR:
1434 s->status &= ~(value & 0x07f0);
1435 pxa2xx_i2c_update(s);
1436 break;
1437
1438 case ISAR:
1439 i2c_set_slave_address(I2C_SLAVE(s->slave), value & 0x7f);
1440 break;
1441
1442 case IDBR:
1443 s->data = value & 0xff;
1444 break;
1445
1446 default:
1447 qemu_log_mask(LOG_GUEST_ERROR,
1448 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
1449 __func__, addr);
1450 }
1451 }
1452
1453 static const MemoryRegionOps pxa2xx_i2c_ops = {
1454 .read = pxa2xx_i2c_read,
1455 .write = pxa2xx_i2c_write,
1456 .endianness = DEVICE_NATIVE_ENDIAN,
1457 };
1458
1459 static const VMStateDescription vmstate_pxa2xx_i2c_slave = {
1460 .name = "pxa2xx_i2c_slave",
1461 .version_id = 1,
1462 .minimum_version_id = 1,
1463 .fields = (VMStateField[]) {
1464 VMSTATE_I2C_SLAVE(parent_obj, PXA2xxI2CSlaveState),
1465 VMSTATE_END_OF_LIST()
1466 }
1467 };
1468
1469 static const VMStateDescription vmstate_pxa2xx_i2c = {
1470 .name = "pxa2xx_i2c",
1471 .version_id = 1,
1472 .minimum_version_id = 1,
1473 .fields = (VMStateField[]) {
1474 VMSTATE_UINT16(control, PXA2xxI2CState),
1475 VMSTATE_UINT16(status, PXA2xxI2CState),
1476 VMSTATE_UINT8(ibmr, PXA2xxI2CState),
1477 VMSTATE_UINT8(data, PXA2xxI2CState),
1478 VMSTATE_STRUCT_POINTER(slave, PXA2xxI2CState,
1479 vmstate_pxa2xx_i2c_slave, PXA2xxI2CSlaveState),
1480 VMSTATE_END_OF_LIST()
1481 }
1482 };
1483
1484 static void pxa2xx_i2c_slave_class_init(ObjectClass *klass, void *data)
1485 {
1486 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
1487
1488 k->event = pxa2xx_i2c_event;
1489 k->recv = pxa2xx_i2c_rx;
1490 k->send = pxa2xx_i2c_tx;
1491 }
1492
1493 static const TypeInfo pxa2xx_i2c_slave_info = {
1494 .name = TYPE_PXA2XX_I2C_SLAVE,
1495 .parent = TYPE_I2C_SLAVE,
1496 .instance_size = sizeof(PXA2xxI2CSlaveState),
1497 .class_init = pxa2xx_i2c_slave_class_init,
1498 };
1499
1500 PXA2xxI2CState *pxa2xx_i2c_init(hwaddr base,
1501 qemu_irq irq, uint32_t region_size)
1502 {
1503 DeviceState *dev;
1504 SysBusDevice *i2c_dev;
1505 PXA2xxI2CState *s;
1506 I2CBus *i2cbus;
1507
1508 dev = qdev_new(TYPE_PXA2XX_I2C);
1509 qdev_prop_set_uint32(dev, "size", region_size + 1);
1510 qdev_prop_set_uint32(dev, "offset", base & region_size);
1511
1512 i2c_dev = SYS_BUS_DEVICE(dev);
1513 sysbus_realize_and_unref(i2c_dev, &error_fatal);
1514 sysbus_mmio_map(i2c_dev, 0, base & ~region_size);
1515 sysbus_connect_irq(i2c_dev, 0, irq);
1516
1517 s = PXA2XX_I2C(i2c_dev);
1518 /* FIXME: Should the slave device really be on a separate bus? */
1519 i2cbus = i2c_init_bus(dev, "dummy");
1520 s->slave = PXA2XX_I2C_SLAVE(i2c_slave_create_simple(i2cbus,
1521 TYPE_PXA2XX_I2C_SLAVE,
1522 0));
1523 s->slave->host = s;
1524
1525 return s;
1526 }
1527
1528 static void pxa2xx_i2c_initfn(Object *obj)
1529 {
1530 DeviceState *dev = DEVICE(obj);
1531 PXA2xxI2CState *s = PXA2XX_I2C(obj);
1532 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
1533
1534 s->bus = i2c_init_bus(dev, NULL);
1535
1536 memory_region_init_io(&s->iomem, obj, &pxa2xx_i2c_ops, s,
1537 "pxa2xx-i2c", s->region_size);
1538 sysbus_init_mmio(sbd, &s->iomem);
1539 sysbus_init_irq(sbd, &s->irq);
1540 }
1541
1542 I2CBus *pxa2xx_i2c_bus(PXA2xxI2CState *s)
1543 {
1544 return s->bus;
1545 }
1546
1547 static Property pxa2xx_i2c_properties[] = {
1548 DEFINE_PROP_UINT32("size", PXA2xxI2CState, region_size, 0x10000),
1549 DEFINE_PROP_UINT32("offset", PXA2xxI2CState, offset, 0),
1550 DEFINE_PROP_END_OF_LIST(),
1551 };
1552
1553 static void pxa2xx_i2c_class_init(ObjectClass *klass, void *data)
1554 {
1555 DeviceClass *dc = DEVICE_CLASS(klass);
1556
1557 dc->desc = "PXA2xx I2C Bus Controller";
1558 dc->vmsd = &vmstate_pxa2xx_i2c;
1559 device_class_set_props(dc, pxa2xx_i2c_properties);
1560 }
1561
1562 static const TypeInfo pxa2xx_i2c_info = {
1563 .name = TYPE_PXA2XX_I2C,
1564 .parent = TYPE_SYS_BUS_DEVICE,
1565 .instance_size = sizeof(PXA2xxI2CState),
1566 .instance_init = pxa2xx_i2c_initfn,
1567 .class_init = pxa2xx_i2c_class_init,
1568 };
1569
1570 /* PXA Inter-IC Sound Controller */
1571 static void pxa2xx_i2s_reset(PXA2xxI2SState *i2s)
1572 {
1573 i2s->rx_len = 0;
1574 i2s->tx_len = 0;
1575 i2s->fifo_len = 0;
1576 i2s->clk = 0x1a;
1577 i2s->control[0] = 0x00;
1578 i2s->control[1] = 0x00;
1579 i2s->status = 0x00;
1580 i2s->mask = 0x00;
1581 }
1582
1583 #define SACR_TFTH(val) ((val >> 8) & 0xf)
1584 #define SACR_RFTH(val) ((val >> 12) & 0xf)
1585 #define SACR_DREC(val) (val & (1 << 3))
1586 #define SACR_DPRL(val) (val & (1 << 4))
1587
1588 static inline void pxa2xx_i2s_update(PXA2xxI2SState *i2s)
1589 {
1590 int rfs, tfs;
1591 rfs = SACR_RFTH(i2s->control[0]) < i2s->rx_len &&
1592 !SACR_DREC(i2s->control[1]);
1593 tfs = (i2s->tx_len || i2s->fifo_len < SACR_TFTH(i2s->control[0])) &&
1594 i2s->enable && !SACR_DPRL(i2s->control[1]);
1595
1596 qemu_set_irq(i2s->rx_dma, rfs);
1597 qemu_set_irq(i2s->tx_dma, tfs);
1598
1599 i2s->status &= 0xe0;
1600 if (i2s->fifo_len < 16 || !i2s->enable)
1601 i2s->status |= 1 << 0; /* TNF */
1602 if (i2s->rx_len)
1603 i2s->status |= 1 << 1; /* RNE */
1604 if (i2s->enable)
1605 i2s->status |= 1 << 2; /* BSY */
1606 if (tfs)
1607 i2s->status |= 1 << 3; /* TFS */
1608 if (rfs)
1609 i2s->status |= 1 << 4; /* RFS */
1610 if (!(i2s->tx_len && i2s->enable))
1611 i2s->status |= i2s->fifo_len << 8; /* TFL */
1612 i2s->status |= MAX(i2s->rx_len, 0xf) << 12; /* RFL */
1613
1614 qemu_set_irq(i2s->irq, i2s->status & i2s->mask);
1615 }
1616
1617 #define SACR0 0x00 /* Serial Audio Global Control register */
1618 #define SACR1 0x04 /* Serial Audio I2S/MSB-Justified Control register */
1619 #define SASR0 0x0c /* Serial Audio Interface and FIFO Status register */
1620 #define SAIMR 0x14 /* Serial Audio Interrupt Mask register */
1621 #define SAICR 0x18 /* Serial Audio Interrupt Clear register */
1622 #define SADIV 0x60 /* Serial Audio Clock Divider register */
1623 #define SADR 0x80 /* Serial Audio Data register */
1624
1625 static uint64_t pxa2xx_i2s_read(void *opaque, hwaddr addr,
1626 unsigned size)
1627 {
1628 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1629
1630 switch (addr) {
1631 case SACR0:
1632 return s->control[0];
1633 case SACR1:
1634 return s->control[1];
1635 case SASR0:
1636 return s->status;
1637 case SAIMR:
1638 return s->mask;
1639 case SAICR:
1640 return 0;
1641 case SADIV:
1642 return s->clk;
1643 case SADR:
1644 if (s->rx_len > 0) {
1645 s->rx_len --;
1646 pxa2xx_i2s_update(s);
1647 return s->codec_in(s->opaque);
1648 }
1649 return 0;
1650 default:
1651 qemu_log_mask(LOG_GUEST_ERROR,
1652 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
1653 __func__, addr);
1654 break;
1655 }
1656 return 0;
1657 }
1658
1659 static void pxa2xx_i2s_write(void *opaque, hwaddr addr,
1660 uint64_t value, unsigned size)
1661 {
1662 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1663 uint32_t *sample;
1664
1665 switch (addr) {
1666 case SACR0:
1667 if (value & (1 << 3)) /* RST */
1668 pxa2xx_i2s_reset(s);
1669 s->control[0] = value & 0xff3d;
1670 if (!s->enable && (value & 1) && s->tx_len) { /* ENB */
1671 for (sample = s->fifo; s->fifo_len > 0; s->fifo_len --, sample ++)
1672 s->codec_out(s->opaque, *sample);
1673 s->status &= ~(1 << 7); /* I2SOFF */
1674 }
1675 if (value & (1 << 4)) /* EFWR */
1676 printf("%s: Attempt to use special function\n", __func__);
1677 s->enable = (value & 9) == 1; /* ENB && !RST*/
1678 pxa2xx_i2s_update(s);
1679 break;
1680 case SACR1:
1681 s->control[1] = value & 0x0039;
1682 if (value & (1 << 5)) /* ENLBF */
1683 printf("%s: Attempt to use loopback function\n", __func__);
1684 if (value & (1 << 4)) /* DPRL */
1685 s->fifo_len = 0;
1686 pxa2xx_i2s_update(s);
1687 break;
1688 case SAIMR:
1689 s->mask = value & 0x0078;
1690 pxa2xx_i2s_update(s);
1691 break;
1692 case SAICR:
1693 s->status &= ~(value & (3 << 5));
1694 pxa2xx_i2s_update(s);
1695 break;
1696 case SADIV:
1697 s->clk = value & 0x007f;
1698 break;
1699 case SADR:
1700 if (s->tx_len && s->enable) {
1701 s->tx_len --;
1702 pxa2xx_i2s_update(s);
1703 s->codec_out(s->opaque, value);
1704 } else if (s->fifo_len < 16) {
1705 s->fifo[s->fifo_len ++] = value;
1706 pxa2xx_i2s_update(s);
1707 }
1708 break;
1709 default:
1710 qemu_log_mask(LOG_GUEST_ERROR,
1711 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
1712 __func__, addr);
1713 }
1714 }
1715
1716 static const MemoryRegionOps pxa2xx_i2s_ops = {
1717 .read = pxa2xx_i2s_read,
1718 .write = pxa2xx_i2s_write,
1719 .endianness = DEVICE_NATIVE_ENDIAN,
1720 };
1721
1722 static const VMStateDescription vmstate_pxa2xx_i2s = {
1723 .name = "pxa2xx_i2s",
1724 .version_id = 0,
1725 .minimum_version_id = 0,
1726 .fields = (VMStateField[]) {
1727 VMSTATE_UINT32_ARRAY(control, PXA2xxI2SState, 2),
1728 VMSTATE_UINT32(status, PXA2xxI2SState),
1729 VMSTATE_UINT32(mask, PXA2xxI2SState),
1730 VMSTATE_UINT32(clk, PXA2xxI2SState),
1731 VMSTATE_INT32(enable, PXA2xxI2SState),
1732 VMSTATE_INT32(rx_len, PXA2xxI2SState),
1733 VMSTATE_INT32(tx_len, PXA2xxI2SState),
1734 VMSTATE_INT32(fifo_len, PXA2xxI2SState),
1735 VMSTATE_END_OF_LIST()
1736 }
1737 };
1738
1739 static void pxa2xx_i2s_data_req(void *opaque, int tx, int rx)
1740 {
1741 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1742 uint32_t *sample;
1743
1744 /* Signal FIFO errors */
1745 if (s->enable && s->tx_len)
1746 s->status |= 1 << 5; /* TUR */
1747 if (s->enable && s->rx_len)
1748 s->status |= 1 << 6; /* ROR */
1749
1750 /* Should be tx - MIN(tx, s->fifo_len) but we don't really need to
1751 * handle the cases where it makes a difference. */
1752 s->tx_len = tx - s->fifo_len;
1753 s->rx_len = rx;
1754 /* Note that is s->codec_out wasn't set, we wouldn't get called. */
1755 if (s->enable)
1756 for (sample = s->fifo; s->fifo_len; s->fifo_len --, sample ++)
1757 s->codec_out(s->opaque, *sample);
1758 pxa2xx_i2s_update(s);
1759 }
1760
1761 static PXA2xxI2SState *pxa2xx_i2s_init(MemoryRegion *sysmem,
1762 hwaddr base,
1763 qemu_irq irq, qemu_irq rx_dma, qemu_irq tx_dma)
1764 {
1765 PXA2xxI2SState *s = g_new0(PXA2xxI2SState, 1);
1766
1767 s->irq = irq;
1768 s->rx_dma = rx_dma;
1769 s->tx_dma = tx_dma;
1770 s->data_req = pxa2xx_i2s_data_req;
1771
1772 pxa2xx_i2s_reset(s);
1773
1774 memory_region_init_io(&s->iomem, NULL, &pxa2xx_i2s_ops, s,
1775 "pxa2xx-i2s", 0x100000);
1776 memory_region_add_subregion(sysmem, base, &s->iomem);
1777
1778 vmstate_register(NULL, base, &vmstate_pxa2xx_i2s, s);
1779
1780 return s;
1781 }
1782
1783 /* PXA Fast Infra-red Communications Port */
1784 struct PXA2xxFIrState {
1785 /*< private >*/
1786 SysBusDevice parent_obj;
1787 /*< public >*/
1788
1789 MemoryRegion iomem;
1790 qemu_irq irq;
1791 qemu_irq rx_dma;
1792 qemu_irq tx_dma;
1793 uint32_t enable;
1794 CharBackend chr;
1795
1796 uint8_t control[3];
1797 uint8_t status[2];
1798
1799 uint32_t rx_len;
1800 uint32_t rx_start;
1801 uint8_t rx_fifo[64];
1802 };
1803
1804 static void pxa2xx_fir_reset(DeviceState *d)
1805 {
1806 PXA2xxFIrState *s = PXA2XX_FIR(d);
1807
1808 s->control[0] = 0x00;
1809 s->control[1] = 0x00;
1810 s->control[2] = 0x00;
1811 s->status[0] = 0x00;
1812 s->status[1] = 0x00;
1813 s->enable = 0;
1814 }
1815
1816 static inline void pxa2xx_fir_update(PXA2xxFIrState *s)
1817 {
1818 static const int tresh[4] = { 8, 16, 32, 0 };
1819 int intr = 0;
1820 if ((s->control[0] & (1 << 4)) && /* RXE */
1821 s->rx_len >= tresh[s->control[2] & 3]) /* TRIG */
1822 s->status[0] |= 1 << 4; /* RFS */
1823 else
1824 s->status[0] &= ~(1 << 4); /* RFS */
1825 if (s->control[0] & (1 << 3)) /* TXE */
1826 s->status[0] |= 1 << 3; /* TFS */
1827 else
1828 s->status[0] &= ~(1 << 3); /* TFS */
1829 if (s->rx_len)
1830 s->status[1] |= 1 << 2; /* RNE */
1831 else
1832 s->status[1] &= ~(1 << 2); /* RNE */
1833 if (s->control[0] & (1 << 4)) /* RXE */
1834 s->status[1] |= 1 << 0; /* RSY */
1835 else
1836 s->status[1] &= ~(1 << 0); /* RSY */
1837
1838 intr |= (s->control[0] & (1 << 5)) && /* RIE */
1839 (s->status[0] & (1 << 4)); /* RFS */
1840 intr |= (s->control[0] & (1 << 6)) && /* TIE */
1841 (s->status[0] & (1 << 3)); /* TFS */
1842 intr |= (s->control[2] & (1 << 4)) && /* TRAIL */
1843 (s->status[0] & (1 << 6)); /* EOC */
1844 intr |= (s->control[0] & (1 << 2)) && /* TUS */
1845 (s->status[0] & (1 << 1)); /* TUR */
1846 intr |= s->status[0] & 0x25; /* FRE, RAB, EIF */
1847
1848 qemu_set_irq(s->rx_dma, (s->status[0] >> 4) & 1);
1849 qemu_set_irq(s->tx_dma, (s->status[0] >> 3) & 1);
1850
1851 qemu_set_irq(s->irq, intr && s->enable);
1852 }
1853
1854 #define ICCR0 0x00 /* FICP Control register 0 */
1855 #define ICCR1 0x04 /* FICP Control register 1 */
1856 #define ICCR2 0x08 /* FICP Control register 2 */
1857 #define ICDR 0x0c /* FICP Data register */
1858 #define ICSR0 0x14 /* FICP Status register 0 */
1859 #define ICSR1 0x18 /* FICP Status register 1 */
1860 #define ICFOR 0x1c /* FICP FIFO Occupancy Status register */
1861
1862 static uint64_t pxa2xx_fir_read(void *opaque, hwaddr addr,
1863 unsigned size)
1864 {
1865 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1866 uint8_t ret;
1867
1868 switch (addr) {
1869 case ICCR0:
1870 return s->control[0];
1871 case ICCR1:
1872 return s->control[1];
1873 case ICCR2:
1874 return s->control[2];
1875 case ICDR:
1876 s->status[0] &= ~0x01;
1877 s->status[1] &= ~0x72;
1878 if (s->rx_len) {
1879 s->rx_len --;
1880 ret = s->rx_fifo[s->rx_start ++];
1881 s->rx_start &= 63;
1882 pxa2xx_fir_update(s);
1883 return ret;
1884 }
1885 printf("%s: Rx FIFO underrun.\n", __func__);
1886 break;
1887 case ICSR0:
1888 return s->status[0];
1889 case ICSR1:
1890 return s->status[1] | (1 << 3); /* TNF */
1891 case ICFOR:
1892 return s->rx_len;
1893 default:
1894 qemu_log_mask(LOG_GUEST_ERROR,
1895 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
1896 __func__, addr);
1897 break;
1898 }
1899 return 0;
1900 }
1901
1902 static void pxa2xx_fir_write(void *opaque, hwaddr addr,
1903 uint64_t value64, unsigned size)
1904 {
1905 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1906 uint32_t value = value64;
1907 uint8_t ch;
1908
1909 switch (addr) {
1910 case ICCR0:
1911 s->control[0] = value;
1912 if (!(value & (1 << 4))) /* RXE */
1913 s->rx_len = s->rx_start = 0;
1914 if (!(value & (1 << 3))) { /* TXE */
1915 /* Nop */
1916 }
1917 s->enable = value & 1; /* ITR */
1918 if (!s->enable)
1919 s->status[0] = 0;
1920 pxa2xx_fir_update(s);
1921 break;
1922 case ICCR1:
1923 s->control[1] = value;
1924 break;
1925 case ICCR2:
1926 s->control[2] = value & 0x3f;
1927 pxa2xx_fir_update(s);
1928 break;
1929 case ICDR:
1930 if (s->control[2] & (1 << 2)) { /* TXP */
1931 ch = value;
1932 } else {
1933 ch = ~value;
1934 }
1935 if (s->enable && (s->control[0] & (1 << 3))) { /* TXE */
1936 /* XXX this blocks entire thread. Rewrite to use
1937 * qemu_chr_fe_write and background I/O callbacks */
1938 qemu_chr_fe_write_all(&s->chr, &ch, 1);
1939 }
1940 break;
1941 case ICSR0:
1942 s->status[0] &= ~(value & 0x66);
1943 pxa2xx_fir_update(s);
1944 break;
1945 case ICFOR:
1946 break;
1947 default:
1948 qemu_log_mask(LOG_GUEST_ERROR,
1949 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
1950 __func__, addr);
1951 }
1952 }
1953
1954 static const MemoryRegionOps pxa2xx_fir_ops = {
1955 .read = pxa2xx_fir_read,
1956 .write = pxa2xx_fir_write,
1957 .endianness = DEVICE_NATIVE_ENDIAN,
1958 };
1959
1960 static int pxa2xx_fir_is_empty(void *opaque)
1961 {
1962 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1963 return (s->rx_len < 64);
1964 }
1965
1966 static void pxa2xx_fir_rx(void *opaque, const uint8_t *buf, int size)
1967 {
1968 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1969 if (!(s->control[0] & (1 << 4))) /* RXE */
1970 return;
1971
1972 while (size --) {
1973 s->status[1] |= 1 << 4; /* EOF */
1974 if (s->rx_len >= 64) {
1975 s->status[1] |= 1 << 6; /* ROR */
1976 break;
1977 }
1978
1979 if (s->control[2] & (1 << 3)) /* RXP */
1980 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = *(buf ++);
1981 else
1982 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = ~*(buf ++);
1983 }
1984
1985 pxa2xx_fir_update(s);
1986 }
1987
1988 static void pxa2xx_fir_event(void *opaque, QEMUChrEvent event)
1989 {
1990 }
1991
1992 static void pxa2xx_fir_instance_init(Object *obj)
1993 {
1994 PXA2xxFIrState *s = PXA2XX_FIR(obj);
1995 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
1996
1997 memory_region_init_io(&s->iomem, obj, &pxa2xx_fir_ops, s,
1998 "pxa2xx-fir", 0x1000);
1999 sysbus_init_mmio(sbd, &s->iomem);
2000 sysbus_init_irq(sbd, &s->irq);
2001 sysbus_init_irq(sbd, &s->rx_dma);
2002 sysbus_init_irq(sbd, &s->tx_dma);
2003 }
2004
2005 static void pxa2xx_fir_realize(DeviceState *dev, Error **errp)
2006 {
2007 PXA2xxFIrState *s = PXA2XX_FIR(dev);
2008
2009 qemu_chr_fe_set_handlers(&s->chr, pxa2xx_fir_is_empty,
2010 pxa2xx_fir_rx, pxa2xx_fir_event, NULL, s, NULL,
2011 true);
2012 }
2013
2014 static bool pxa2xx_fir_vmstate_validate(void *opaque, int version_id)
2015 {
2016 PXA2xxFIrState *s = opaque;
2017
2018 return s->rx_start < ARRAY_SIZE(s->rx_fifo);
2019 }
2020
2021 static const VMStateDescription pxa2xx_fir_vmsd = {
2022 .name = "pxa2xx-fir",
2023 .version_id = 1,
2024 .minimum_version_id = 1,
2025 .fields = (VMStateField[]) {
2026 VMSTATE_UINT32(enable, PXA2xxFIrState),
2027 VMSTATE_UINT8_ARRAY(control, PXA2xxFIrState, 3),
2028 VMSTATE_UINT8_ARRAY(status, PXA2xxFIrState, 2),
2029 VMSTATE_UINT32(rx_len, PXA2xxFIrState),
2030 VMSTATE_UINT32(rx_start, PXA2xxFIrState),
2031 VMSTATE_VALIDATE("fifo is 64 bytes", pxa2xx_fir_vmstate_validate),
2032 VMSTATE_UINT8_ARRAY(rx_fifo, PXA2xxFIrState, 64),
2033 VMSTATE_END_OF_LIST()
2034 }
2035 };
2036
2037 static Property pxa2xx_fir_properties[] = {
2038 DEFINE_PROP_CHR("chardev", PXA2xxFIrState, chr),
2039 DEFINE_PROP_END_OF_LIST(),
2040 };
2041
2042 static void pxa2xx_fir_class_init(ObjectClass *klass, void *data)
2043 {
2044 DeviceClass *dc = DEVICE_CLASS(klass);
2045
2046 dc->realize = pxa2xx_fir_realize;
2047 dc->vmsd = &pxa2xx_fir_vmsd;
2048 device_class_set_props(dc, pxa2xx_fir_properties);
2049 dc->reset = pxa2xx_fir_reset;
2050 }
2051
2052 static const TypeInfo pxa2xx_fir_info = {
2053 .name = TYPE_PXA2XX_FIR,
2054 .parent = TYPE_SYS_BUS_DEVICE,
2055 .instance_size = sizeof(PXA2xxFIrState),
2056 .class_init = pxa2xx_fir_class_init,
2057 .instance_init = pxa2xx_fir_instance_init,
2058 };
2059
2060 static PXA2xxFIrState *pxa2xx_fir_init(MemoryRegion *sysmem,
2061 hwaddr base,
2062 qemu_irq irq, qemu_irq rx_dma,
2063 qemu_irq tx_dma,
2064 Chardev *chr)
2065 {
2066 DeviceState *dev;
2067 SysBusDevice *sbd;
2068
2069 dev = qdev_new(TYPE_PXA2XX_FIR);
2070 qdev_prop_set_chr(dev, "chardev", chr);
2071 sbd = SYS_BUS_DEVICE(dev);
2072 sysbus_realize_and_unref(sbd, &error_fatal);
2073 sysbus_mmio_map(sbd, 0, base);
2074 sysbus_connect_irq(sbd, 0, irq);
2075 sysbus_connect_irq(sbd, 1, rx_dma);
2076 sysbus_connect_irq(sbd, 2, tx_dma);
2077 return PXA2XX_FIR(dev);
2078 }
2079
2080 static void pxa2xx_reset(void *opaque, int line, int level)
2081 {
2082 PXA2xxState *s = (PXA2xxState *) opaque;
2083
2084 if (level && (s->pm_regs[PCFR >> 2] & 0x10)) { /* GPR_EN */
2085 cpu_reset(CPU(s->cpu));
2086 /* TODO: reset peripherals */
2087 }
2088 }
2089
2090 /* Initialise a PXA270 integrated chip (ARM based core). */
2091 PXA2xxState *pxa270_init(MemoryRegion *address_space,
2092 unsigned int sdram_size, const char *cpu_type)
2093 {
2094 PXA2xxState *s;
2095 int i;
2096 DriveInfo *dinfo;
2097 s = g_new0(PXA2xxState, 1);
2098
2099 if (strncmp(cpu_type, "pxa27", 5)) {
2100 error_report("Machine requires a PXA27x processor");
2101 exit(1);
2102 }
2103
2104 s->cpu = ARM_CPU(cpu_create(cpu_type));
2105 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2106
2107 /* SDRAM & Internal Memory Storage */
2108 memory_region_init_ram(&s->sdram, NULL, "pxa270.sdram", sdram_size,
2109 &error_fatal);
2110 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2111 memory_region_init_ram(&s->internal, NULL, "pxa270.internal", 0x40000,
2112 &error_fatal);
2113 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2114 &s->internal);
2115
2116 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2117
2118 s->dma = pxa27x_dma_init(0x40000000,
2119 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2120
2121 sysbus_create_varargs("pxa27x-timer", 0x40a00000,
2122 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2123 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2124 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2125 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2126 qdev_get_gpio_in(s->pic, PXA27X_PIC_OST_4_11),
2127 NULL);
2128
2129 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 121);
2130
2131 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2132 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2133 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2134 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2135 dinfo = drive_get(IF_SD, 0, 0);
2136 if (dinfo) {
2137 DeviceState *carddev;
2138
2139 /* Create and plug in the sd card */
2140 carddev = qdev_new(TYPE_SD_CARD);
2141 qdev_prop_set_drive_err(carddev, "drive",
2142 blk_by_legacy_dinfo(dinfo), &error_fatal);
2143 qdev_realize_and_unref(carddev, qdev_get_child_bus(DEVICE(s->mmc),
2144 "sd-bus"),
2145 &error_fatal);
2146 } else if (!qtest_enabled()) {
2147 warn_report("missing SecureDigital device");
2148 }
2149
2150 for (i = 0; pxa270_serial[i].io_base; i++) {
2151 if (serial_hd(i)) {
2152 serial_mm_init(address_space, pxa270_serial[i].io_base, 2,
2153 qdev_get_gpio_in(s->pic, pxa270_serial[i].irqn),
2154 14857000 / 16, serial_hd(i),
2155 DEVICE_NATIVE_ENDIAN);
2156 } else {
2157 break;
2158 }
2159 }
2160 if (serial_hd(i))
2161 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2162 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2163 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2164 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2165 serial_hd(i));
2166
2167 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2168 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2169
2170 s->cm_base = 0x41300000;
2171 s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */
2172 s->clkcfg = 0x00000009; /* Turbo mode active */
2173 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2174 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2175 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2176
2177 pxa2xx_setup_cp14(s);
2178
2179 s->mm_base = 0x48000000;
2180 s->mm_regs[MDMRS >> 2] = 0x00020002;
2181 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2182 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2183 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2184 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2185 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2186
2187 s->pm_base = 0x40f00000;
2188 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2189 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2190 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2191
2192 for (i = 0; pxa27x_ssp[i].io_base; i ++);
2193 s->ssp = g_new0(SSIBus *, i);
2194 for (i = 0; pxa27x_ssp[i].io_base; i ++) {
2195 DeviceState *dev;
2196 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa27x_ssp[i].io_base,
2197 qdev_get_gpio_in(s->pic, pxa27x_ssp[i].irqn));
2198 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2199 }
2200
2201 sysbus_create_simple("sysbus-ohci", 0x4c000000,
2202 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1));
2203
2204 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2205 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2206
2207 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2208 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2209
2210 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2211 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2212 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2213 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2214
2215 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2216 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2217 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2218 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2219
2220 s->kp = pxa27x_keypad_init(address_space, 0x41500000,
2221 qdev_get_gpio_in(s->pic, PXA2XX_PIC_KEYPAD));
2222
2223 /* GPIO1 resets the processor */
2224 /* The handler can be overridden by board-specific code */
2225 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2226 return s;
2227 }
2228
2229 /* Initialise a PXA255 integrated chip (ARM based core). */
2230 PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size)
2231 {
2232 PXA2xxState *s;
2233 int i;
2234 DriveInfo *dinfo;
2235
2236 s = g_new0(PXA2xxState, 1);
2237
2238 s->cpu = ARM_CPU(cpu_create(ARM_CPU_TYPE_NAME("pxa255")));
2239 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2240
2241 /* SDRAM & Internal Memory Storage */
2242 memory_region_init_ram(&s->sdram, NULL, "pxa255.sdram", sdram_size,
2243 &error_fatal);
2244 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2245 memory_region_init_ram(&s->internal, NULL, "pxa255.internal",
2246 PXA2XX_INTERNAL_SIZE, &error_fatal);
2247 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2248 &s->internal);
2249
2250 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2251
2252 s->dma = pxa255_dma_init(0x40000000,
2253 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2254
2255 sysbus_create_varargs("pxa25x-timer", 0x40a00000,
2256 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2257 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2258 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2259 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2260 NULL);
2261
2262 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 85);
2263
2264 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2265 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2266 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2267 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2268 dinfo = drive_get(IF_SD, 0, 0);
2269 if (dinfo) {
2270 DeviceState *carddev;
2271
2272 /* Create and plug in the sd card */
2273 carddev = qdev_new(TYPE_SD_CARD);
2274 qdev_prop_set_drive_err(carddev, "drive",
2275 blk_by_legacy_dinfo(dinfo), &error_fatal);
2276 qdev_realize_and_unref(carddev, qdev_get_child_bus(DEVICE(s->mmc),
2277 "sd-bus"),
2278 &error_fatal);
2279 } else if (!qtest_enabled()) {
2280 warn_report("missing SecureDigital device");
2281 }
2282
2283 for (i = 0; pxa255_serial[i].io_base; i++) {
2284 if (serial_hd(i)) {
2285 serial_mm_init(address_space, pxa255_serial[i].io_base, 2,
2286 qdev_get_gpio_in(s->pic, pxa255_serial[i].irqn),
2287 14745600 / 16, serial_hd(i),
2288 DEVICE_NATIVE_ENDIAN);
2289 } else {
2290 break;
2291 }
2292 }
2293 if (serial_hd(i))
2294 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2295 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2296 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2297 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2298 serial_hd(i));
2299
2300 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2301 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2302
2303 s->cm_base = 0x41300000;
2304 s->cm_regs[CCCR >> 2] = 0x00000121; /* from datasheet */
2305 s->cm_regs[CKEN >> 2] = 0x00017def; /* from datasheet */
2306
2307 s->clkcfg = 0x00000009; /* Turbo mode active */
2308 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2309 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2310 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2311
2312 pxa2xx_setup_cp14(s);
2313
2314 s->mm_base = 0x48000000;
2315 s->mm_regs[MDMRS >> 2] = 0x00020002;
2316 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2317 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2318 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2319 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2320 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2321
2322 s->pm_base = 0x40f00000;
2323 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2324 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2325 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2326
2327 for (i = 0; pxa255_ssp[i].io_base; i ++);
2328 s->ssp = g_new0(SSIBus *, i);
2329 for (i = 0; pxa255_ssp[i].io_base; i ++) {
2330 DeviceState *dev;
2331 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa255_ssp[i].io_base,
2332 qdev_get_gpio_in(s->pic, pxa255_ssp[i].irqn));
2333 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2334 }
2335
2336 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2337 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2338
2339 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2340 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2341
2342 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2343 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2344 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2345 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2346
2347 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2348 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2349 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2350 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2351
2352 /* GPIO1 resets the processor */
2353 /* The handler can be overridden by board-specific code */
2354 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2355 return s;
2356 }
2357
2358 static void pxa2xx_ssp_class_init(ObjectClass *klass, void *data)
2359 {
2360 DeviceClass *dc = DEVICE_CLASS(klass);
2361
2362 dc->reset = pxa2xx_ssp_reset;
2363 dc->vmsd = &vmstate_pxa2xx_ssp;
2364 }
2365
2366 static const TypeInfo pxa2xx_ssp_info = {
2367 .name = TYPE_PXA2XX_SSP,
2368 .parent = TYPE_SYS_BUS_DEVICE,
2369 .instance_size = sizeof(PXA2xxSSPState),
2370 .instance_init = pxa2xx_ssp_init,
2371 .class_init = pxa2xx_ssp_class_init,
2372 };
2373
2374 static void pxa2xx_register_types(void)
2375 {
2376 type_register_static(&pxa2xx_i2c_slave_info);
2377 type_register_static(&pxa2xx_ssp_info);
2378 type_register_static(&pxa2xx_i2c_info);
2379 type_register_static(&pxa2xx_rtc_sysbus_info);
2380 type_register_static(&pxa2xx_fir_info);
2381 }
2382
2383 type_init(pxa2xx_register_types)
AR7 emulation for QEMU