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migration/rdma: Drop superfluous assignments to @ret
[qemu/armbru.git] / hw / arm / pxa2xx.c
blob07d5dd8691f9a383c7e49aeec2f653d6916cf858
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/error-report.h"
12 #include "qemu/module.h"
13 #include "qapi/error.h"
14 #include "exec/address-spaces.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 "sysemu/rtc.h"
31 #include "qemu/cutils.h"
32 #include "qemu/log.h"
33 #include "qom/object.h"
34 #include "target/arm/cpregs.h"
35
36 static struct {
37 hwaddr io_base;
38 int irqn;
39 } pxa255_serial[] = {
40 { 0x40100000, PXA2XX_PIC_FFUART },
41 { 0x40200000, PXA2XX_PIC_BTUART },
42 { 0x40700000, PXA2XX_PIC_STUART },
43 { 0x41600000, PXA25X_PIC_HWUART },
44 { 0, 0 }
45 }, pxa270_serial[] = {
46 { 0x40100000, PXA2XX_PIC_FFUART },
47 { 0x40200000, PXA2XX_PIC_BTUART },
48 { 0x40700000, PXA2XX_PIC_STUART },
49 { 0, 0 }
50 };
51
52 typedef struct PXASSPDef {
53 hwaddr io_base;
54 int irqn;
55 } PXASSPDef;
56
57 #if 0
58 static PXASSPDef pxa250_ssp[] = {
59 { 0x41000000, PXA2XX_PIC_SSP },
60 { 0, 0 }
61 };
62 #endif
63
64 static PXASSPDef pxa255_ssp[] = {
65 { 0x41000000, PXA2XX_PIC_SSP },
66 { 0x41400000, PXA25X_PIC_NSSP },
67 { 0, 0 }
68 };
69
70 #if 0
71 static PXASSPDef pxa26x_ssp[] = {
72 { 0x41000000, PXA2XX_PIC_SSP },
73 { 0x41400000, PXA25X_PIC_NSSP },
74 { 0x41500000, PXA26X_PIC_ASSP },
75 { 0, 0 }
76 };
77 #endif
78
79 static PXASSPDef pxa27x_ssp[] = {
80 { 0x41000000, PXA2XX_PIC_SSP },
81 { 0x41700000, PXA27X_PIC_SSP2 },
82 { 0x41900000, PXA2XX_PIC_SSP3 },
83 { 0, 0 }
84 };
85
86 #define PMCR 0x00 /* Power Manager Control register */
87 #define PSSR 0x04 /* Power Manager Sleep Status register */
88 #define PSPR 0x08 /* Power Manager Scratch-Pad register */
89 #define PWER 0x0c /* Power Manager Wake-Up Enable register */
90 #define PRER 0x10 /* Power Manager Rising-Edge Detect Enable register */
91 #define PFER 0x14 /* Power Manager Falling-Edge Detect Enable register */
92 #define PEDR 0x18 /* Power Manager Edge-Detect Status register */
93 #define PCFR 0x1c /* Power Manager General Configuration register */
94 #define PGSR0 0x20 /* Power Manager GPIO Sleep-State register 0 */
95 #define PGSR1 0x24 /* Power Manager GPIO Sleep-State register 1 */
96 #define PGSR2 0x28 /* Power Manager GPIO Sleep-State register 2 */
97 #define PGSR3 0x2c /* Power Manager GPIO Sleep-State register 3 */
98 #define RCSR 0x30 /* Reset Controller Status register */
99 #define PSLR 0x34 /* Power Manager Sleep Configuration register */
100 #define PTSR 0x38 /* Power Manager Standby Configuration register */
101 #define PVCR 0x40 /* Power Manager Voltage Change Control register */
102 #define PUCR 0x4c /* Power Manager USIM Card Control/Status register */
103 #define PKWR 0x50 /* Power Manager Keyboard Wake-Up Enable register */
104 #define PKSR 0x54 /* Power Manager Keyboard Level-Detect Status */
105 #define PCMD0 0x80 /* Power Manager I2C Command register File 0 */
106 #define PCMD31 0xfc /* Power Manager I2C Command register File 31 */
107
108 static uint64_t pxa2xx_pm_read(void *opaque, hwaddr addr,
109 unsigned size)
110 {
111 PXA2xxState *s = (PXA2xxState *) opaque;
112
113 switch (addr) {
114 case PMCR ... PCMD31:
115 if (addr & 3)
116 goto fail;
117
118 return s->pm_regs[addr >> 2];
119 default:
120 fail:
121 qemu_log_mask(LOG_GUEST_ERROR,
122 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
123 __func__, addr);
124 break;
125 }
126 return 0;
127 }
128
129 static void pxa2xx_pm_write(void *opaque, hwaddr addr,
130 uint64_t value, unsigned size)
131 {
132 PXA2xxState *s = (PXA2xxState *) opaque;
133
134 switch (addr) {
135 case PMCR:
136 /* Clear the write-one-to-clear bits... */
137 s->pm_regs[addr >> 2] &= ~(value & 0x2a);
138 /* ...and set the plain r/w bits */
139 s->pm_regs[addr >> 2] &= ~0x15;
140 s->pm_regs[addr >> 2] |= value & 0x15;
141 break;
142
143 case PSSR: /* Read-clean registers */
144 case RCSR:
145 case PKSR:
146 s->pm_regs[addr >> 2] &= ~value;
147 break;
148
149 default: /* Read-write registers */
150 if (!(addr & 3)) {
151 s->pm_regs[addr >> 2] = value;
152 break;
153 }
154 qemu_log_mask(LOG_GUEST_ERROR,
155 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
156 __func__, addr);
157 break;
158 }
159 }
160
161 static const MemoryRegionOps pxa2xx_pm_ops = {
162 .read = pxa2xx_pm_read,
163 .write = pxa2xx_pm_write,
164 .endianness = DEVICE_NATIVE_ENDIAN,
165 };
166
167 static const VMStateDescription vmstate_pxa2xx_pm = {
168 .name = "pxa2xx_pm",
169 .version_id = 0,
170 .minimum_version_id = 0,
171 .fields = (VMStateField[]) {
172 VMSTATE_UINT32_ARRAY(pm_regs, PXA2xxState, 0x40),
173 VMSTATE_END_OF_LIST()
174 }
175 };
176
177 #define CCCR 0x00 /* Core Clock Configuration register */
178 #define CKEN 0x04 /* Clock Enable register */
179 #define OSCC 0x08 /* Oscillator Configuration register */
180 #define CCSR 0x0c /* Core Clock Status register */
181
182 static uint64_t pxa2xx_cm_read(void *opaque, hwaddr addr,
183 unsigned size)
184 {
185 PXA2xxState *s = (PXA2xxState *) opaque;
186
187 switch (addr) {
188 case CCCR:
189 case CKEN:
190 case OSCC:
191 return s->cm_regs[addr >> 2];
192
193 case CCSR:
194 return s->cm_regs[CCCR >> 2] | (3 << 28);
195
196 default:
197 qemu_log_mask(LOG_GUEST_ERROR,
198 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
199 __func__, addr);
200 break;
201 }
202 return 0;
203 }
204
205 static void pxa2xx_cm_write(void *opaque, hwaddr addr,
206 uint64_t value, unsigned size)
207 {
208 PXA2xxState *s = (PXA2xxState *) opaque;
209
210 switch (addr) {
211 case CCCR:
212 case CKEN:
213 s->cm_regs[addr >> 2] = value;
214 break;
215
216 case OSCC:
217 s->cm_regs[addr >> 2] &= ~0x6c;
218 s->cm_regs[addr >> 2] |= value & 0x6e;
219 if ((value >> 1) & 1) /* OON */
220 s->cm_regs[addr >> 2] |= 1 << 0; /* Oscillator is now stable */
221 break;
222
223 default:
224 qemu_log_mask(LOG_GUEST_ERROR,
225 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
226 __func__, addr);
227 break;
228 }
229 }
230
231 static const MemoryRegionOps pxa2xx_cm_ops = {
232 .read = pxa2xx_cm_read,
233 .write = pxa2xx_cm_write,
234 .endianness = DEVICE_NATIVE_ENDIAN,
235 };
236
237 static const VMStateDescription vmstate_pxa2xx_cm = {
238 .name = "pxa2xx_cm",
239 .version_id = 0,
240 .minimum_version_id = 0,
241 .fields = (VMStateField[]) {
242 VMSTATE_UINT32_ARRAY(cm_regs, PXA2xxState, 4),
243 VMSTATE_UINT32(clkcfg, PXA2xxState),
244 VMSTATE_UINT32(pmnc, PXA2xxState),
245 VMSTATE_END_OF_LIST()
246 }
247 };
248
249 static uint64_t pxa2xx_clkcfg_read(CPUARMState *env, const ARMCPRegInfo *ri)
250 {
251 PXA2xxState *s = (PXA2xxState *)ri->opaque;
252 return s->clkcfg;
253 }
254
255 static void pxa2xx_clkcfg_write(CPUARMState *env, const ARMCPRegInfo *ri,
256 uint64_t value)
257 {
258 PXA2xxState *s = (PXA2xxState *)ri->opaque;
259 s->clkcfg = value & 0xf;
260 if (value & 2) {
261 printf("%s: CPU frequency change attempt\n", __func__);
262 }
263 }
264
265 static void pxa2xx_pwrmode_write(CPUARMState *env, const ARMCPRegInfo *ri,
266 uint64_t value)
267 {
268 PXA2xxState *s = (PXA2xxState *)ri->opaque;
269 static const char *pwrmode[8] = {
270 "Normal", "Idle", "Deep-idle", "Standby",
271 "Sleep", "reserved (!)", "reserved (!)", "Deep-sleep",
272 };
273
274 if (value & 8) {
275 printf("%s: CPU voltage change attempt\n", __func__);
276 }
277 switch (value & 7) {
278 case 0:
279 /* Do nothing */
280 break;
281
282 case 1:
283 /* Idle */
284 if (!(s->cm_regs[CCCR >> 2] & (1U << 31))) { /* CPDIS */
285 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
286 break;
287 }
288 /* Fall through. */
289
290 case 2:
291 /* Deep-Idle */
292 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
293 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
294 goto message;
295
296 case 3:
297 s->cpu->env.uncached_cpsr = ARM_CPU_MODE_SVC;
298 s->cpu->env.daif = PSTATE_A | PSTATE_F | PSTATE_I;
299 s->cpu->env.cp15.sctlr_ns = 0;
300 s->cpu->env.cp15.cpacr_el1 = 0;
301 s->cpu->env.cp15.ttbr0_el[1] = 0;
302 s->cpu->env.cp15.dacr_ns = 0;
303 s->pm_regs[PSSR >> 2] |= 0x8; /* Set STS */
304 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
305
306 /*
307 * The scratch-pad register is almost universally used
308 * for storing the return address on suspend. For the
309 * lack of a resuming bootloader, perform a jump
310 * directly to that address.
311 */
312 memset(s->cpu->env.regs, 0, 4 * 15);
313 s->cpu->env.regs[15] = s->pm_regs[PSPR >> 2];
314
315 #if 0
316 buffer = 0xe59ff000; /* ldr pc, [pc, #0] */
317 cpu_physical_memory_write(0, &buffer, 4);
318 buffer = s->pm_regs[PSPR >> 2];
319 cpu_physical_memory_write(8, &buffer, 4);
320 #endif
321
322 /* Suspend */
323 cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT);
324
325 goto message;
326
327 default:
328 message:
329 printf("%s: machine entered %s mode\n", __func__,
330 pwrmode[value & 7]);
331 }
332 }
333
334 static uint64_t pxa2xx_cppmnc_read(CPUARMState *env, const ARMCPRegInfo *ri)
335 {
336 PXA2xxState *s = (PXA2xxState *)ri->opaque;
337 return s->pmnc;
338 }
339
340 static void pxa2xx_cppmnc_write(CPUARMState *env, const ARMCPRegInfo *ri,
341 uint64_t value)
342 {
343 PXA2xxState *s = (PXA2xxState *)ri->opaque;
344 s->pmnc = value;
345 }
346
347 static uint64_t pxa2xx_cpccnt_read(CPUARMState *env, const ARMCPRegInfo *ri)
348 {
349 PXA2xxState *s = (PXA2xxState *)ri->opaque;
350 if (s->pmnc & 1) {
351 return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
352 } else {
353 return 0;
354 }
355 }
356
357 static const ARMCPRegInfo pxa_cp_reginfo[] = {
358 /* cp14 crm==1: perf registers */
359 { .name = "CPPMNC", .cp = 14, .crn = 0, .crm = 1, .opc1 = 0, .opc2 = 0,
360 .access = PL1_RW, .type = ARM_CP_IO,
361 .readfn = pxa2xx_cppmnc_read, .writefn = pxa2xx_cppmnc_write },
362 { .name = "CPCCNT", .cp = 14, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0,
363 .access = PL1_RW, .type = ARM_CP_IO,
364 .readfn = pxa2xx_cpccnt_read, .writefn = arm_cp_write_ignore },
365 { .name = "CPINTEN", .cp = 14, .crn = 4, .crm = 1, .opc1 = 0, .opc2 = 0,
366 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
367 { .name = "CPFLAG", .cp = 14, .crn = 5, .crm = 1, .opc1 = 0, .opc2 = 0,
368 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
369 { .name = "CPEVTSEL", .cp = 14, .crn = 8, .crm = 1, .opc1 = 0, .opc2 = 0,
370 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
371 /* cp14 crm==2: performance count registers */
372 { .name = "CPPMN0", .cp = 14, .crn = 0, .crm = 2, .opc1 = 0, .opc2 = 0,
373 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
374 { .name = "CPPMN1", .cp = 14, .crn = 1, .crm = 2, .opc1 = 0, .opc2 = 0,
375 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
376 { .name = "CPPMN2", .cp = 14, .crn = 2, .crm = 2, .opc1 = 0, .opc2 = 0,
377 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
378 { .name = "CPPMN3", .cp = 14, .crn = 2, .crm = 3, .opc1 = 0, .opc2 = 0,
379 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
380 /* cp14 crn==6: CLKCFG */
381 { .name = "CLKCFG", .cp = 14, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 0,
382 .access = PL1_RW, .type = ARM_CP_IO,
383 .readfn = pxa2xx_clkcfg_read, .writefn = pxa2xx_clkcfg_write },
384 /* cp14 crn==7: PWRMODE */
385 { .name = "PWRMODE", .cp = 14, .crn = 7, .crm = 0, .opc1 = 0, .opc2 = 0,
386 .access = PL1_RW, .type = ARM_CP_IO,
387 .readfn = arm_cp_read_zero, .writefn = pxa2xx_pwrmode_write },
388 };
389
390 static void pxa2xx_setup_cp14(PXA2xxState *s)
391 {
392 define_arm_cp_regs_with_opaque(s->cpu, pxa_cp_reginfo, s);
393 }
394
395 #define MDCNFG 0x00 /* SDRAM Configuration register */
396 #define MDREFR 0x04 /* SDRAM Refresh Control register */
397 #define MSC0 0x08 /* Static Memory Control register 0 */
398 #define MSC1 0x0c /* Static Memory Control register 1 */
399 #define MSC2 0x10 /* Static Memory Control register 2 */
400 #define MECR 0x14 /* Expansion Memory Bus Config register */
401 #define SXCNFG 0x1c /* Synchronous Static Memory Config register */
402 #define MCMEM0 0x28 /* PC Card Memory Socket 0 Timing register */
403 #define MCMEM1 0x2c /* PC Card Memory Socket 1 Timing register */
404 #define MCATT0 0x30 /* PC Card Attribute Socket 0 register */
405 #define MCATT1 0x34 /* PC Card Attribute Socket 1 register */
406 #define MCIO0 0x38 /* PC Card I/O Socket 0 Timing register */
407 #define MCIO1 0x3c /* PC Card I/O Socket 1 Timing register */
408 #define MDMRS 0x40 /* SDRAM Mode Register Set Config register */
409 #define BOOT_DEF 0x44 /* Boot-time Default Configuration register */
410 #define ARB_CNTL 0x48 /* Arbiter Control register */
411 #define BSCNTR0 0x4c /* Memory Buffer Strength Control register 0 */
412 #define BSCNTR1 0x50 /* Memory Buffer Strength Control register 1 */
413 #define LCDBSCNTR 0x54 /* LCD Buffer Strength Control register */
414 #define MDMRSLP 0x58 /* Low Power SDRAM Mode Set Config register */
415 #define BSCNTR2 0x5c /* Memory Buffer Strength Control register 2 */
416 #define BSCNTR3 0x60 /* Memory Buffer Strength Control register 3 */
417 #define SA1110 0x64 /* SA-1110 Memory Compatibility register */
418
419 static uint64_t pxa2xx_mm_read(void *opaque, hwaddr addr,
420 unsigned size)
421 {
422 PXA2xxState *s = (PXA2xxState *) opaque;
423
424 switch (addr) {
425 case MDCNFG ... SA1110:
426 if ((addr & 3) == 0)
427 return s->mm_regs[addr >> 2];
428 /* fall through */
429 default:
430 qemu_log_mask(LOG_GUEST_ERROR,
431 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
432 __func__, addr);
433 break;
434 }
435 return 0;
436 }
437
438 static void pxa2xx_mm_write(void *opaque, hwaddr addr,
439 uint64_t value, unsigned size)
440 {
441 PXA2xxState *s = (PXA2xxState *) opaque;
442
443 switch (addr) {
444 case MDCNFG ... SA1110:
445 if ((addr & 3) == 0) {
446 s->mm_regs[addr >> 2] = value;
447 break;
448 }
449 /* fallthrough */
450 default:
451 qemu_log_mask(LOG_GUEST_ERROR,
452 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
453 __func__, addr);
454 break;
455 }
456 }
457
458 static const MemoryRegionOps pxa2xx_mm_ops = {
459 .read = pxa2xx_mm_read,
460 .write = pxa2xx_mm_write,
461 .endianness = DEVICE_NATIVE_ENDIAN,
462 };
463
464 static const VMStateDescription vmstate_pxa2xx_mm = {
465 .name = "pxa2xx_mm",
466 .version_id = 0,
467 .minimum_version_id = 0,
468 .fields = (VMStateField[]) {
469 VMSTATE_UINT32_ARRAY(mm_regs, PXA2xxState, 0x1a),
470 VMSTATE_END_OF_LIST()
471 }
472 };
473
474 #define TYPE_PXA2XX_SSP "pxa2xx-ssp"
475 OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxSSPState, PXA2XX_SSP)
476
477 /* Synchronous Serial Ports */
478 struct PXA2xxSSPState {
479 /*< private >*/
480 SysBusDevice parent_obj;
481 /*< public >*/
482
483 MemoryRegion iomem;
484 qemu_irq irq;
485 uint32_t enable;
486 SSIBus *bus;
487
488 uint32_t sscr[2];
489 uint32_t sspsp;
490 uint32_t ssto;
491 uint32_t ssitr;
492 uint32_t sssr;
493 uint8_t sstsa;
494 uint8_t ssrsa;
495 uint8_t ssacd;
496
497 uint32_t rx_fifo[16];
498 uint32_t rx_level;
499 uint32_t rx_start;
500 };
501
502 static bool pxa2xx_ssp_vmstate_validate(void *opaque, int version_id)
503 {
504 PXA2xxSSPState *s = opaque;
505
506 return s->rx_start < sizeof(s->rx_fifo);
507 }
508
509 static const VMStateDescription vmstate_pxa2xx_ssp = {
510 .name = "pxa2xx-ssp",
511 .version_id = 1,
512 .minimum_version_id = 1,
513 .fields = (VMStateField[]) {
514 VMSTATE_UINT32(enable, PXA2xxSSPState),
515 VMSTATE_UINT32_ARRAY(sscr, PXA2xxSSPState, 2),
516 VMSTATE_UINT32(sspsp, PXA2xxSSPState),
517 VMSTATE_UINT32(ssto, PXA2xxSSPState),
518 VMSTATE_UINT32(ssitr, PXA2xxSSPState),
519 VMSTATE_UINT32(sssr, PXA2xxSSPState),
520 VMSTATE_UINT8(sstsa, PXA2xxSSPState),
521 VMSTATE_UINT8(ssrsa, PXA2xxSSPState),
522 VMSTATE_UINT8(ssacd, PXA2xxSSPState),
523 VMSTATE_UINT32(rx_level, PXA2xxSSPState),
524 VMSTATE_UINT32(rx_start, PXA2xxSSPState),
525 VMSTATE_VALIDATE("fifo is 16 bytes", pxa2xx_ssp_vmstate_validate),
526 VMSTATE_UINT32_ARRAY(rx_fifo, PXA2xxSSPState, 16),
527 VMSTATE_END_OF_LIST()
528 }
529 };
530
531 #define SSCR0 0x00 /* SSP Control register 0 */
532 #define SSCR1 0x04 /* SSP Control register 1 */
533 #define SSSR 0x08 /* SSP Status register */
534 #define SSITR 0x0c /* SSP Interrupt Test register */
535 #define SSDR 0x10 /* SSP Data register */
536 #define SSTO 0x28 /* SSP Time-Out register */
537 #define SSPSP 0x2c /* SSP Programmable Serial Protocol register */
538 #define SSTSA 0x30 /* SSP TX Time Slot Active register */
539 #define SSRSA 0x34 /* SSP RX Time Slot Active register */
540 #define SSTSS 0x38 /* SSP Time Slot Status register */
541 #define SSACD 0x3c /* SSP Audio Clock Divider register */
542
543 /* Bitfields for above registers */
544 #define SSCR0_SPI(x) (((x) & 0x30) == 0x00)
545 #define SSCR0_SSP(x) (((x) & 0x30) == 0x10)
546 #define SSCR0_UWIRE(x) (((x) & 0x30) == 0x20)
547 #define SSCR0_PSP(x) (((x) & 0x30) == 0x30)
548 #define SSCR0_SSE (1 << 7)
549 #define SSCR0_RIM (1 << 22)
550 #define SSCR0_TIM (1 << 23)
551 #define SSCR0_MOD (1U << 31)
552 #define SSCR0_DSS(x) (((((x) >> 16) & 0x10) | ((x) & 0xf)) + 1)
553 #define SSCR1_RIE (1 << 0)
554 #define SSCR1_TIE (1 << 1)
555 #define SSCR1_LBM (1 << 2)
556 #define SSCR1_MWDS (1 << 5)
557 #define SSCR1_TFT(x) ((((x) >> 6) & 0xf) + 1)
558 #define SSCR1_RFT(x) ((((x) >> 10) & 0xf) + 1)
559 #define SSCR1_EFWR (1 << 14)
560 #define SSCR1_PINTE (1 << 18)
561 #define SSCR1_TINTE (1 << 19)
562 #define SSCR1_RSRE (1 << 20)
563 #define SSCR1_TSRE (1 << 21)
564 #define SSCR1_EBCEI (1 << 29)
565 #define SSITR_INT (7 << 5)
566 #define SSSR_TNF (1 << 2)
567 #define SSSR_RNE (1 << 3)
568 #define SSSR_TFS (1 << 5)
569 #define SSSR_RFS (1 << 6)
570 #define SSSR_ROR (1 << 7)
571 #define SSSR_PINT (1 << 18)
572 #define SSSR_TINT (1 << 19)
573 #define SSSR_EOC (1 << 20)
574 #define SSSR_TUR (1 << 21)
575 #define SSSR_BCE (1 << 23)
576 #define SSSR_RW 0x00bc0080
577
578 static void pxa2xx_ssp_int_update(PXA2xxSSPState *s)
579 {
580 int level = 0;
581
582 level |= s->ssitr & SSITR_INT;
583 level |= (s->sssr & SSSR_BCE) && (s->sscr[1] & SSCR1_EBCEI);
584 level |= (s->sssr & SSSR_TUR) && !(s->sscr[0] & SSCR0_TIM);
585 level |= (s->sssr & SSSR_EOC) && (s->sssr & (SSSR_TINT | SSSR_PINT));
586 level |= (s->sssr & SSSR_TINT) && (s->sscr[1] & SSCR1_TINTE);
587 level |= (s->sssr & SSSR_PINT) && (s->sscr[1] & SSCR1_PINTE);
588 level |= (s->sssr & SSSR_ROR) && !(s->sscr[0] & SSCR0_RIM);
589 level |= (s->sssr & SSSR_RFS) && (s->sscr[1] & SSCR1_RIE);
590 level |= (s->sssr & SSSR_TFS) && (s->sscr[1] & SSCR1_TIE);
591 qemu_set_irq(s->irq, !!level);
592 }
593
594 static void pxa2xx_ssp_fifo_update(PXA2xxSSPState *s)
595 {
596 s->sssr &= ~(0xf << 12); /* Clear RFL */
597 s->sssr &= ~(0xf << 8); /* Clear TFL */
598 s->sssr &= ~SSSR_TFS;
599 s->sssr &= ~SSSR_TNF;
600 if (s->enable) {
601 s->sssr |= ((s->rx_level - 1) & 0xf) << 12;
602 if (s->rx_level >= SSCR1_RFT(s->sscr[1]))
603 s->sssr |= SSSR_RFS;
604 else
605 s->sssr &= ~SSSR_RFS;
606 if (s->rx_level)
607 s->sssr |= SSSR_RNE;
608 else
609 s->sssr &= ~SSSR_RNE;
610 /* TX FIFO is never filled, so it is always in underrun
611 condition if SSP is enabled */
612 s->sssr |= SSSR_TFS;
613 s->sssr |= SSSR_TNF;
614 }
615
616 pxa2xx_ssp_int_update(s);
617 }
618
619 static uint64_t pxa2xx_ssp_read(void *opaque, hwaddr addr,
620 unsigned size)
621 {
622 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
623 uint32_t retval;
624
625 switch (addr) {
626 case SSCR0:
627 return s->sscr[0];
628 case SSCR1:
629 return s->sscr[1];
630 case SSPSP:
631 return s->sspsp;
632 case SSTO:
633 return s->ssto;
634 case SSITR:
635 return s->ssitr;
636 case SSSR:
637 return s->sssr | s->ssitr;
638 case SSDR:
639 if (!s->enable)
640 return 0xffffffff;
641 if (s->rx_level < 1) {
642 printf("%s: SSP Rx Underrun\n", __func__);
643 return 0xffffffff;
644 }
645 s->rx_level --;
646 retval = s->rx_fifo[s->rx_start ++];
647 s->rx_start &= 0xf;
648 pxa2xx_ssp_fifo_update(s);
649 return retval;
650 case SSTSA:
651 return s->sstsa;
652 case SSRSA:
653 return s->ssrsa;
654 case SSTSS:
655 return 0;
656 case SSACD:
657 return s->ssacd;
658 default:
659 qemu_log_mask(LOG_GUEST_ERROR,
660 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
661 __func__, addr);
662 break;
663 }
664 return 0;
665 }
666
667 static void pxa2xx_ssp_write(void *opaque, hwaddr addr,
668 uint64_t value64, unsigned size)
669 {
670 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
671 uint32_t value = value64;
672
673 switch (addr) {
674 case SSCR0:
675 s->sscr[0] = value & 0xc7ffffff;
676 s->enable = value & SSCR0_SSE;
677 if (value & SSCR0_MOD)
678 printf("%s: Attempt to use network mode\n", __func__);
679 if (s->enable && SSCR0_DSS(value) < 4)
680 printf("%s: Wrong data size: %u bits\n", __func__,
681 SSCR0_DSS(value));
682 if (!(value & SSCR0_SSE)) {
683 s->sssr = 0;
684 s->ssitr = 0;
685 s->rx_level = 0;
686 }
687 pxa2xx_ssp_fifo_update(s);
688 break;
689
690 case SSCR1:
691 s->sscr[1] = value;
692 if (value & (SSCR1_LBM | SSCR1_EFWR))
693 printf("%s: Attempt to use SSP test mode\n", __func__);
694 pxa2xx_ssp_fifo_update(s);
695 break;
696
697 case SSPSP:
698 s->sspsp = value;
699 break;
700
701 case SSTO:
702 s->ssto = value;
703 break;
704
705 case SSITR:
706 s->ssitr = value & SSITR_INT;
707 pxa2xx_ssp_int_update(s);
708 break;
709
710 case SSSR:
711 s->sssr &= ~(value & SSSR_RW);
712 pxa2xx_ssp_int_update(s);
713 break;
714
715 case SSDR:
716 if (SSCR0_UWIRE(s->sscr[0])) {
717 if (s->sscr[1] & SSCR1_MWDS)
718 value &= 0xffff;
719 else
720 value &= 0xff;
721 } else
722 /* Note how 32bits overflow does no harm here */
723 value &= (1 << SSCR0_DSS(s->sscr[0])) - 1;
724
725 /* Data goes from here to the Tx FIFO and is shifted out from
726 * there directly to the slave, no need to buffer it.
727 */
728 if (s->enable) {
729 uint32_t readval;
730 readval = ssi_transfer(s->bus, value);
731 if (s->rx_level < 0x10) {
732 s->rx_fifo[(s->rx_start + s->rx_level ++) & 0xf] = readval;
733 } else {
734 s->sssr |= SSSR_ROR;
735 }
736 }
737 pxa2xx_ssp_fifo_update(s);
738 break;
739
740 case SSTSA:
741 s->sstsa = value;
742 break;
743
744 case SSRSA:
745 s->ssrsa = value;
746 break;
747
748 case SSACD:
749 s->ssacd = value;
750 break;
751
752 default:
753 qemu_log_mask(LOG_GUEST_ERROR,
754 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
755 __func__, addr);
756 break;
757 }
758 }
759
760 static const MemoryRegionOps pxa2xx_ssp_ops = {
761 .read = pxa2xx_ssp_read,
762 .write = pxa2xx_ssp_write,
763 .endianness = DEVICE_NATIVE_ENDIAN,
764 };
765
766 static void pxa2xx_ssp_reset(DeviceState *d)
767 {
768 PXA2xxSSPState *s = PXA2XX_SSP(d);
769
770 s->enable = 0;
771 s->sscr[0] = s->sscr[1] = 0;
772 s->sspsp = 0;
773 s->ssto = 0;
774 s->ssitr = 0;
775 s->sssr = 0;
776 s->sstsa = 0;
777 s->ssrsa = 0;
778 s->ssacd = 0;
779 s->rx_start = s->rx_level = 0;
780 }
781
782 static void pxa2xx_ssp_init(Object *obj)
783 {
784 DeviceState *dev = DEVICE(obj);
785 PXA2xxSSPState *s = PXA2XX_SSP(obj);
786 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
787 sysbus_init_irq(sbd, &s->irq);
788
789 memory_region_init_io(&s->iomem, obj, &pxa2xx_ssp_ops, s,
790 "pxa2xx-ssp", 0x1000);
791 sysbus_init_mmio(sbd, &s->iomem);
792
793 s->bus = ssi_create_bus(dev, "ssi");
794 }
795
796 /* Real-Time Clock */
797 #define RCNR 0x00 /* RTC Counter register */
798 #define RTAR 0x04 /* RTC Alarm register */
799 #define RTSR 0x08 /* RTC Status register */
800 #define RTTR 0x0c /* RTC Timer Trim register */
801 #define RDCR 0x10 /* RTC Day Counter register */
802 #define RYCR 0x14 /* RTC Year Counter register */
803 #define RDAR1 0x18 /* RTC Wristwatch Day Alarm register 1 */
804 #define RYAR1 0x1c /* RTC Wristwatch Year Alarm register 1 */
805 #define RDAR2 0x20 /* RTC Wristwatch Day Alarm register 2 */
806 #define RYAR2 0x24 /* RTC Wristwatch Year Alarm register 2 */
807 #define SWCR 0x28 /* RTC Stopwatch Counter register */
808 #define SWAR1 0x2c /* RTC Stopwatch Alarm register 1 */
809 #define SWAR2 0x30 /* RTC Stopwatch Alarm register 2 */
810 #define RTCPICR 0x34 /* RTC Periodic Interrupt Counter register */
811 #define PIAR 0x38 /* RTC Periodic Interrupt Alarm register */
812
813 #define TYPE_PXA2XX_RTC "pxa2xx_rtc"
814 OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxRTCState, PXA2XX_RTC)
815
816 struct PXA2xxRTCState {
817 /*< private >*/
818 SysBusDevice parent_obj;
819 /*< public >*/
820
821 MemoryRegion iomem;
822 uint32_t rttr;
823 uint32_t rtsr;
824 uint32_t rtar;
825 uint32_t rdar1;
826 uint32_t rdar2;
827 uint32_t ryar1;
828 uint32_t ryar2;
829 uint32_t swar1;
830 uint32_t swar2;
831 uint32_t piar;
832 uint32_t last_rcnr;
833 uint32_t last_rdcr;
834 uint32_t last_rycr;
835 uint32_t last_swcr;
836 uint32_t last_rtcpicr;
837 int64_t last_hz;
838 int64_t last_sw;
839 int64_t last_pi;
840 QEMUTimer *rtc_hz;
841 QEMUTimer *rtc_rdal1;
842 QEMUTimer *rtc_rdal2;
843 QEMUTimer *rtc_swal1;
844 QEMUTimer *rtc_swal2;
845 QEMUTimer *rtc_pi;
846 qemu_irq rtc_irq;
847 };
848
849 static inline void pxa2xx_rtc_int_update(PXA2xxRTCState *s)
850 {
851 qemu_set_irq(s->rtc_irq, !!(s->rtsr & 0x2553));
852 }
853
854 static void pxa2xx_rtc_hzupdate(PXA2xxRTCState *s)
855 {
856 int64_t rt = qemu_clock_get_ms(rtc_clock);
857 s->last_rcnr += ((rt - s->last_hz) << 15) /
858 (1000 * ((s->rttr & 0xffff) + 1));
859 s->last_rdcr += ((rt - s->last_hz) << 15) /
860 (1000 * ((s->rttr & 0xffff) + 1));
861 s->last_hz = rt;
862 }
863
864 static void pxa2xx_rtc_swupdate(PXA2xxRTCState *s)
865 {
866 int64_t rt = qemu_clock_get_ms(rtc_clock);
867 if (s->rtsr & (1 << 12))
868 s->last_swcr += (rt - s->last_sw) / 10;
869 s->last_sw = rt;
870 }
871
872 static void pxa2xx_rtc_piupdate(PXA2xxRTCState *s)
873 {
874 int64_t rt = qemu_clock_get_ms(rtc_clock);
875 if (s->rtsr & (1 << 15))
876 s->last_swcr += rt - s->last_pi;
877 s->last_pi = rt;
878 }
879
880 static inline void pxa2xx_rtc_alarm_update(PXA2xxRTCState *s,
881 uint32_t rtsr)
882 {
883 if ((rtsr & (1 << 2)) && !(rtsr & (1 << 0)))
884 timer_mod(s->rtc_hz, s->last_hz +
885 (((s->rtar - s->last_rcnr) * 1000 *
886 ((s->rttr & 0xffff) + 1)) >> 15));
887 else
888 timer_del(s->rtc_hz);
889
890 if ((rtsr & (1 << 5)) && !(rtsr & (1 << 4)))
891 timer_mod(s->rtc_rdal1, s->last_hz +
892 (((s->rdar1 - s->last_rdcr) * 1000 *
893 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
894 else
895 timer_del(s->rtc_rdal1);
896
897 if ((rtsr & (1 << 7)) && !(rtsr & (1 << 6)))
898 timer_mod(s->rtc_rdal2, s->last_hz +
899 (((s->rdar2 - s->last_rdcr) * 1000 *
900 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
901 else
902 timer_del(s->rtc_rdal2);
903
904 if ((rtsr & 0x1200) == 0x1200 && !(rtsr & (1 << 8)))
905 timer_mod(s->rtc_swal1, s->last_sw +
906 (s->swar1 - s->last_swcr) * 10); /* TODO: fixup */
907 else
908 timer_del(s->rtc_swal1);
909
910 if ((rtsr & 0x1800) == 0x1800 && !(rtsr & (1 << 10)))
911 timer_mod(s->rtc_swal2, s->last_sw +
912 (s->swar2 - s->last_swcr) * 10); /* TODO: fixup */
913 else
914 timer_del(s->rtc_swal2);
915
916 if ((rtsr & 0xc000) == 0xc000 && !(rtsr & (1 << 13)))
917 timer_mod(s->rtc_pi, s->last_pi +
918 (s->piar & 0xffff) - s->last_rtcpicr);
919 else
920 timer_del(s->rtc_pi);
921 }
922
923 static inline void pxa2xx_rtc_hz_tick(void *opaque)
924 {
925 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
926 s->rtsr |= (1 << 0);
927 pxa2xx_rtc_alarm_update(s, s->rtsr);
928 pxa2xx_rtc_int_update(s);
929 }
930
931 static inline void pxa2xx_rtc_rdal1_tick(void *opaque)
932 {
933 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
934 s->rtsr |= (1 << 4);
935 pxa2xx_rtc_alarm_update(s, s->rtsr);
936 pxa2xx_rtc_int_update(s);
937 }
938
939 static inline void pxa2xx_rtc_rdal2_tick(void *opaque)
940 {
941 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
942 s->rtsr |= (1 << 6);
943 pxa2xx_rtc_alarm_update(s, s->rtsr);
944 pxa2xx_rtc_int_update(s);
945 }
946
947 static inline void pxa2xx_rtc_swal1_tick(void *opaque)
948 {
949 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
950 s->rtsr |= (1 << 8);
951 pxa2xx_rtc_alarm_update(s, s->rtsr);
952 pxa2xx_rtc_int_update(s);
953 }
954
955 static inline void pxa2xx_rtc_swal2_tick(void *opaque)
956 {
957 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
958 s->rtsr |= (1 << 10);
959 pxa2xx_rtc_alarm_update(s, s->rtsr);
960 pxa2xx_rtc_int_update(s);
961 }
962
963 static inline void pxa2xx_rtc_pi_tick(void *opaque)
964 {
965 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
966 s->rtsr |= (1 << 13);
967 pxa2xx_rtc_piupdate(s);
968 s->last_rtcpicr = 0;
969 pxa2xx_rtc_alarm_update(s, s->rtsr);
970 pxa2xx_rtc_int_update(s);
971 }
972
973 static uint64_t pxa2xx_rtc_read(void *opaque, hwaddr addr,
974 unsigned size)
975 {
976 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
977
978 switch (addr) {
979 case RTTR:
980 return s->rttr;
981 case RTSR:
982 return s->rtsr;
983 case RTAR:
984 return s->rtar;
985 case RDAR1:
986 return s->rdar1;
987 case RDAR2:
988 return s->rdar2;
989 case RYAR1:
990 return s->ryar1;
991 case RYAR2:
992 return s->ryar2;
993 case SWAR1:
994 return s->swar1;
995 case SWAR2:
996 return s->swar2;
997 case PIAR:
998 return s->piar;
999 case RCNR:
1000 return s->last_rcnr +
1001 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) /
1002 (1000 * ((s->rttr & 0xffff) + 1));
1003 case RDCR:
1004 return s->last_rdcr +
1005 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) /
1006 (1000 * ((s->rttr & 0xffff) + 1));
1007 case RYCR:
1008 return s->last_rycr;
1009 case SWCR:
1010 if (s->rtsr & (1 << 12))
1011 return s->last_swcr +
1012 (qemu_clock_get_ms(rtc_clock) - s->last_sw) / 10;
1013 else
1014 return s->last_swcr;
1015 default:
1016 qemu_log_mask(LOG_GUEST_ERROR,
1017 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
1018 __func__, addr);
1019 break;
1020 }
1021 return 0;
1022 }
1023
1024 static void pxa2xx_rtc_write(void *opaque, hwaddr addr,
1025 uint64_t value64, unsigned size)
1026 {
1027 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1028 uint32_t value = value64;
1029
1030 switch (addr) {
1031 case RTTR:
1032 if (!(s->rttr & (1U << 31))) {
1033 pxa2xx_rtc_hzupdate(s);
1034 s->rttr = value;
1035 pxa2xx_rtc_alarm_update(s, s->rtsr);
1036 }
1037 break;
1038
1039 case RTSR:
1040 if ((s->rtsr ^ value) & (1 << 15))
1041 pxa2xx_rtc_piupdate(s);
1042
1043 if ((s->rtsr ^ value) & (1 << 12))
1044 pxa2xx_rtc_swupdate(s);
1045
1046 if (((s->rtsr ^ value) & 0x4aac) | (value & ~0xdaac))
1047 pxa2xx_rtc_alarm_update(s, value);
1048
1049 s->rtsr = (value & 0xdaac) | (s->rtsr & ~(value & ~0xdaac));
1050 pxa2xx_rtc_int_update(s);
1051 break;
1052
1053 case RTAR:
1054 s->rtar = value;
1055 pxa2xx_rtc_alarm_update(s, s->rtsr);
1056 break;
1057
1058 case RDAR1:
1059 s->rdar1 = value;
1060 pxa2xx_rtc_alarm_update(s, s->rtsr);
1061 break;
1062
1063 case RDAR2:
1064 s->rdar2 = value;
1065 pxa2xx_rtc_alarm_update(s, s->rtsr);
1066 break;
1067
1068 case RYAR1:
1069 s->ryar1 = value;
1070 pxa2xx_rtc_alarm_update(s, s->rtsr);
1071 break;
1072
1073 case RYAR2:
1074 s->ryar2 = value;
1075 pxa2xx_rtc_alarm_update(s, s->rtsr);
1076 break;
1077
1078 case SWAR1:
1079 pxa2xx_rtc_swupdate(s);
1080 s->swar1 = value;
1081 s->last_swcr = 0;
1082 pxa2xx_rtc_alarm_update(s, s->rtsr);
1083 break;
1084
1085 case SWAR2:
1086 s->swar2 = value;
1087 pxa2xx_rtc_alarm_update(s, s->rtsr);
1088 break;
1089
1090 case PIAR:
1091 s->piar = value;
1092 pxa2xx_rtc_alarm_update(s, s->rtsr);
1093 break;
1094
1095 case RCNR:
1096 pxa2xx_rtc_hzupdate(s);
1097 s->last_rcnr = value;
1098 pxa2xx_rtc_alarm_update(s, s->rtsr);
1099 break;
1100
1101 case RDCR:
1102 pxa2xx_rtc_hzupdate(s);
1103 s->last_rdcr = value;
1104 pxa2xx_rtc_alarm_update(s, s->rtsr);
1105 break;
1106
1107 case RYCR:
1108 s->last_rycr = value;
1109 break;
1110
1111 case SWCR:
1112 pxa2xx_rtc_swupdate(s);
1113 s->last_swcr = value;
1114 pxa2xx_rtc_alarm_update(s, s->rtsr);
1115 break;
1116
1117 case RTCPICR:
1118 pxa2xx_rtc_piupdate(s);
1119 s->last_rtcpicr = value & 0xffff;
1120 pxa2xx_rtc_alarm_update(s, s->rtsr);
1121 break;
1122
1123 default:
1124 qemu_log_mask(LOG_GUEST_ERROR,
1125 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
1126 __func__, addr);
1127 }
1128 }
1129
1130 static const MemoryRegionOps pxa2xx_rtc_ops = {
1131 .read = pxa2xx_rtc_read,
1132 .write = pxa2xx_rtc_write,
1133 .endianness = DEVICE_NATIVE_ENDIAN,
1134 };
1135
1136 static void pxa2xx_rtc_init(Object *obj)
1137 {
1138 PXA2xxRTCState *s = PXA2XX_RTC(obj);
1139 SysBusDevice *dev = SYS_BUS_DEVICE(obj);
1140 struct tm tm;
1141 int wom;
1142
1143 s->rttr = 0x7fff;
1144 s->rtsr = 0;
1145
1146 qemu_get_timedate(&tm, 0);
1147 wom = ((tm.tm_mday - 1) / 7) + 1;
1148
1149 s->last_rcnr = (uint32_t) mktimegm(&tm);
1150 s->last_rdcr = (wom << 20) | ((tm.tm_wday + 1) << 17) |
1151 (tm.tm_hour << 12) | (tm.tm_min << 6) | tm.tm_sec;
1152 s->last_rycr = ((tm.tm_year + 1900) << 9) |
1153 ((tm.tm_mon + 1) << 5) | tm.tm_mday;
1154 s->last_swcr = (tm.tm_hour << 19) |
1155 (tm.tm_min << 13) | (tm.tm_sec << 7);
1156 s->last_rtcpicr = 0;
1157 s->last_hz = s->last_sw = s->last_pi = qemu_clock_get_ms(rtc_clock);
1158
1159 sysbus_init_irq(dev, &s->rtc_irq);
1160
1161 memory_region_init_io(&s->iomem, obj, &pxa2xx_rtc_ops, s,
1162 "pxa2xx-rtc", 0x10000);
1163 sysbus_init_mmio(dev, &s->iomem);
1164 }
1165
1166 static void pxa2xx_rtc_realize(DeviceState *dev, Error **errp)
1167 {
1168 PXA2xxRTCState *s = PXA2XX_RTC(dev);
1169 s->rtc_hz = timer_new_ms(rtc_clock, pxa2xx_rtc_hz_tick, s);
1170 s->rtc_rdal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal1_tick, s);
1171 s->rtc_rdal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal2_tick, s);
1172 s->rtc_swal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal1_tick, s);
1173 s->rtc_swal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal2_tick, s);
1174 s->rtc_pi = timer_new_ms(rtc_clock, pxa2xx_rtc_pi_tick, s);
1175 }
1176
1177 static int pxa2xx_rtc_pre_save(void *opaque)
1178 {
1179 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1180
1181 pxa2xx_rtc_hzupdate(s);
1182 pxa2xx_rtc_piupdate(s);
1183 pxa2xx_rtc_swupdate(s);
1184
1185 return 0;
1186 }
1187
1188 static int pxa2xx_rtc_post_load(void *opaque, int version_id)
1189 {
1190 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1191
1192 pxa2xx_rtc_alarm_update(s, s->rtsr);
1193
1194 return 0;
1195 }
1196
1197 static const VMStateDescription vmstate_pxa2xx_rtc_regs = {
1198 .name = "pxa2xx_rtc",
1199 .version_id = 0,
1200 .minimum_version_id = 0,
1201 .pre_save = pxa2xx_rtc_pre_save,
1202 .post_load = pxa2xx_rtc_post_load,
1203 .fields = (VMStateField[]) {
1204 VMSTATE_UINT32(rttr, PXA2xxRTCState),
1205 VMSTATE_UINT32(rtsr, PXA2xxRTCState),
1206 VMSTATE_UINT32(rtar, PXA2xxRTCState),
1207 VMSTATE_UINT32(rdar1, PXA2xxRTCState),
1208 VMSTATE_UINT32(rdar2, PXA2xxRTCState),
1209 VMSTATE_UINT32(ryar1, PXA2xxRTCState),
1210 VMSTATE_UINT32(ryar2, PXA2xxRTCState),
1211 VMSTATE_UINT32(swar1, PXA2xxRTCState),
1212 VMSTATE_UINT32(swar2, PXA2xxRTCState),
1213 VMSTATE_UINT32(piar, PXA2xxRTCState),
1214 VMSTATE_UINT32(last_rcnr, PXA2xxRTCState),
1215 VMSTATE_UINT32(last_rdcr, PXA2xxRTCState),
1216 VMSTATE_UINT32(last_rycr, PXA2xxRTCState),
1217 VMSTATE_UINT32(last_swcr, PXA2xxRTCState),
1218 VMSTATE_UINT32(last_rtcpicr, PXA2xxRTCState),
1219 VMSTATE_INT64(last_hz, PXA2xxRTCState),
1220 VMSTATE_INT64(last_sw, PXA2xxRTCState),
1221 VMSTATE_INT64(last_pi, PXA2xxRTCState),
1222 VMSTATE_END_OF_LIST(),
1223 },
1224 };
1225
1226 static void pxa2xx_rtc_sysbus_class_init(ObjectClass *klass, void *data)
1227 {
1228 DeviceClass *dc = DEVICE_CLASS(klass);
1229
1230 dc->desc = "PXA2xx RTC Controller";
1231 dc->vmsd = &vmstate_pxa2xx_rtc_regs;
1232 dc->realize = pxa2xx_rtc_realize;
1233 }
1234
1235 static const TypeInfo pxa2xx_rtc_sysbus_info = {
1236 .name = TYPE_PXA2XX_RTC,
1237 .parent = TYPE_SYS_BUS_DEVICE,
1238 .instance_size = sizeof(PXA2xxRTCState),
1239 .instance_init = pxa2xx_rtc_init,
1240 .class_init = pxa2xx_rtc_sysbus_class_init,
1241 };
1242
1243 /* I2C Interface */
1244
1245 #define TYPE_PXA2XX_I2C_SLAVE "pxa2xx-i2c-slave"
1246 OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxI2CSlaveState, PXA2XX_I2C_SLAVE)
1247
1248 struct PXA2xxI2CSlaveState {
1249 I2CSlave parent_obj;
1250
1251 PXA2xxI2CState *host;
1252 };
1253
1254 struct PXA2xxI2CState {
1255 /*< private >*/
1256 SysBusDevice parent_obj;
1257 /*< public >*/
1258
1259 MemoryRegion iomem;
1260 PXA2xxI2CSlaveState *slave;
1261 I2CBus *bus;
1262 qemu_irq irq;
1263 uint32_t offset;
1264 uint32_t region_size;
1265
1266 uint16_t control;
1267 uint16_t status;
1268 uint8_t ibmr;
1269 uint8_t data;
1270 };
1271
1272 #define IBMR 0x80 /* I2C Bus Monitor register */
1273 #define IDBR 0x88 /* I2C Data Buffer register */
1274 #define ICR 0x90 /* I2C Control register */
1275 #define ISR 0x98 /* I2C Status register */
1276 #define ISAR 0xa0 /* I2C Slave Address register */
1277
1278 static void pxa2xx_i2c_update(PXA2xxI2CState *s)
1279 {
1280 uint16_t level = 0;
1281 level |= s->status & s->control & (1 << 10); /* BED */
1282 level |= (s->status & (1 << 7)) && (s->control & (1 << 9)); /* IRF */
1283 level |= (s->status & (1 << 6)) && (s->control & (1 << 8)); /* ITE */
1284 level |= s->status & (1 << 9); /* SAD */
1285 qemu_set_irq(s->irq, !!level);
1286 }
1287
1288 /* These are only stubs now. */
1289 static int pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event)
1290 {
1291 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1292 PXA2xxI2CState *s = slave->host;
1293
1294 switch (event) {
1295 case I2C_START_SEND:
1296 s->status |= (1 << 9); /* set SAD */
1297 s->status &= ~(1 << 0); /* clear RWM */
1298 break;
1299 case I2C_START_RECV:
1300 s->status |= (1 << 9); /* set SAD */
1301 s->status |= 1 << 0; /* set RWM */
1302 break;
1303 case I2C_FINISH:
1304 s->status |= (1 << 4); /* set SSD */
1305 break;
1306 case I2C_NACK:
1307 s->status |= 1 << 1; /* set ACKNAK */
1308 break;
1309 default:
1310 return -1;
1311 }
1312 pxa2xx_i2c_update(s);
1313
1314 return 0;
1315 }
1316
1317 static uint8_t pxa2xx_i2c_rx(I2CSlave *i2c)
1318 {
1319 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1320 PXA2xxI2CState *s = slave->host;
1321
1322 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1323 return 0;
1324 }
1325
1326 if (s->status & (1 << 0)) { /* RWM */
1327 s->status |= 1 << 6; /* set ITE */
1328 }
1329 pxa2xx_i2c_update(s);
1330
1331 return s->data;
1332 }
1333
1334 static int pxa2xx_i2c_tx(I2CSlave *i2c, uint8_t data)
1335 {
1336 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1337 PXA2xxI2CState *s = slave->host;
1338
1339 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1340 return 1;
1341 }
1342
1343 if (!(s->status & (1 << 0))) { /* RWM */
1344 s->status |= 1 << 7; /* set IRF */
1345 s->data = data;
1346 }
1347 pxa2xx_i2c_update(s);
1348
1349 return 1;
1350 }
1351
1352 static uint64_t pxa2xx_i2c_read(void *opaque, hwaddr addr,
1353 unsigned size)
1354 {
1355 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1356 I2CSlave *slave;
1357
1358 addr -= s->offset;
1359 switch (addr) {
1360 case ICR:
1361 return s->control;
1362 case ISR:
1363 return s->status | (i2c_bus_busy(s->bus) << 2);
1364 case ISAR:
1365 slave = I2C_SLAVE(s->slave);
1366 return slave->address;
1367 case IDBR:
1368 return s->data;
1369 case IBMR:
1370 if (s->status & (1 << 2))
1371 s->ibmr ^= 3; /* Fake SCL and SDA pin changes */
1372 else
1373 s->ibmr = 0;
1374 return s->ibmr;
1375 default:
1376 qemu_log_mask(LOG_GUEST_ERROR,
1377 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
1378 __func__, addr);
1379 break;
1380 }
1381 return 0;
1382 }
1383
1384 static void pxa2xx_i2c_write(void *opaque, hwaddr addr,
1385 uint64_t value64, unsigned size)
1386 {
1387 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1388 uint32_t value = value64;
1389 int ack;
1390
1391 addr -= s->offset;
1392 switch (addr) {
1393 case ICR:
1394 s->control = value & 0xfff7;
1395 if ((value & (1 << 3)) && (value & (1 << 6))) { /* TB and IUE */
1396 /* TODO: slave mode */
1397 if (value & (1 << 0)) { /* START condition */
1398 if (s->data & 1)
1399 s->status |= 1 << 0; /* set RWM */
1400 else
1401 s->status &= ~(1 << 0); /* clear RWM */
1402 ack = !i2c_start_transfer(s->bus, s->data >> 1, s->data & 1);
1403 } else {
1404 if (s->status & (1 << 0)) { /* RWM */
1405 s->data = i2c_recv(s->bus);
1406 if (value & (1 << 2)) /* ACKNAK */
1407 i2c_nack(s->bus);
1408 ack = 1;
1409 } else
1410 ack = !i2c_send(s->bus, s->data);
1411 }
1412
1413 if (value & (1 << 1)) /* STOP condition */
1414 i2c_end_transfer(s->bus);
1415
1416 if (ack) {
1417 if (value & (1 << 0)) /* START condition */
1418 s->status |= 1 << 6; /* set ITE */
1419 else
1420 if (s->status & (1 << 0)) /* RWM */
1421 s->status |= 1 << 7; /* set IRF */
1422 else
1423 s->status |= 1 << 6; /* set ITE */
1424 s->status &= ~(1 << 1); /* clear ACKNAK */
1425 } else {
1426 s->status |= 1 << 6; /* set ITE */
1427 s->status |= 1 << 10; /* set BED */
1428 s->status |= 1 << 1; /* set ACKNAK */
1429 }
1430 }
1431 if (!(value & (1 << 3)) && (value & (1 << 6))) /* !TB and IUE */
1432 if (value & (1 << 4)) /* MA */
1433 i2c_end_transfer(s->bus);
1434 pxa2xx_i2c_update(s);
1435 break;
1436
1437 case ISR:
1438 s->status &= ~(value & 0x07f0);
1439 pxa2xx_i2c_update(s);
1440 break;
1441
1442 case ISAR:
1443 i2c_slave_set_address(I2C_SLAVE(s->slave), value & 0x7f);
1444 break;
1445
1446 case IDBR:
1447 s->data = value & 0xff;
1448 break;
1449
1450 default:
1451 qemu_log_mask(LOG_GUEST_ERROR,
1452 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
1453 __func__, addr);
1454 }
1455 }
1456
1457 static const MemoryRegionOps pxa2xx_i2c_ops = {
1458 .read = pxa2xx_i2c_read,
1459 .write = pxa2xx_i2c_write,
1460 .endianness = DEVICE_NATIVE_ENDIAN,
1461 };
1462
1463 static const VMStateDescription vmstate_pxa2xx_i2c_slave = {
1464 .name = "pxa2xx_i2c_slave",
1465 .version_id = 1,
1466 .minimum_version_id = 1,
1467 .fields = (VMStateField[]) {
1468 VMSTATE_I2C_SLAVE(parent_obj, PXA2xxI2CSlaveState),
1469 VMSTATE_END_OF_LIST()
1470 }
1471 };
1472
1473 static const VMStateDescription vmstate_pxa2xx_i2c = {
1474 .name = "pxa2xx_i2c",
1475 .version_id = 1,
1476 .minimum_version_id = 1,
1477 .fields = (VMStateField[]) {
1478 VMSTATE_UINT16(control, PXA2xxI2CState),
1479 VMSTATE_UINT16(status, PXA2xxI2CState),
1480 VMSTATE_UINT8(ibmr, PXA2xxI2CState),
1481 VMSTATE_UINT8(data, PXA2xxI2CState),
1482 VMSTATE_STRUCT_POINTER(slave, PXA2xxI2CState,
1483 vmstate_pxa2xx_i2c_slave, PXA2xxI2CSlaveState),
1484 VMSTATE_END_OF_LIST()
1485 }
1486 };
1487
1488 static void pxa2xx_i2c_slave_class_init(ObjectClass *klass, void *data)
1489 {
1490 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
1491
1492 k->event = pxa2xx_i2c_event;
1493 k->recv = pxa2xx_i2c_rx;
1494 k->send = pxa2xx_i2c_tx;
1495 }
1496
1497 static const TypeInfo pxa2xx_i2c_slave_info = {
1498 .name = TYPE_PXA2XX_I2C_SLAVE,
1499 .parent = TYPE_I2C_SLAVE,
1500 .instance_size = sizeof(PXA2xxI2CSlaveState),
1501 .class_init = pxa2xx_i2c_slave_class_init,
1502 };
1503
1504 PXA2xxI2CState *pxa2xx_i2c_init(hwaddr base,
1505 qemu_irq irq, uint32_t region_size)
1506 {
1507 DeviceState *dev;
1508 SysBusDevice *i2c_dev;
1509 PXA2xxI2CState *s;
1510 I2CBus *i2cbus;
1511
1512 dev = qdev_new(TYPE_PXA2XX_I2C);
1513 qdev_prop_set_uint32(dev, "size", region_size + 1);
1514 qdev_prop_set_uint32(dev, "offset", base & region_size);
1515
1516 i2c_dev = SYS_BUS_DEVICE(dev);
1517 sysbus_realize_and_unref(i2c_dev, &error_fatal);
1518 sysbus_mmio_map(i2c_dev, 0, base & ~region_size);
1519 sysbus_connect_irq(i2c_dev, 0, irq);
1520
1521 s = PXA2XX_I2C(i2c_dev);
1522 /* FIXME: Should the slave device really be on a separate bus? */
1523 i2cbus = i2c_init_bus(dev, "dummy");
1524 s->slave = PXA2XX_I2C_SLAVE(i2c_slave_create_simple(i2cbus,
1525 TYPE_PXA2XX_I2C_SLAVE,
1526 0));
1527 s->slave->host = s;
1528
1529 return s;
1530 }
1531
1532 static void pxa2xx_i2c_initfn(Object *obj)
1533 {
1534 DeviceState *dev = DEVICE(obj);
1535 PXA2xxI2CState *s = PXA2XX_I2C(obj);
1536 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
1537
1538 s->bus = i2c_init_bus(dev, NULL);
1539
1540 memory_region_init_io(&s->iomem, obj, &pxa2xx_i2c_ops, s,
1541 "pxa2xx-i2c", s->region_size);
1542 sysbus_init_mmio(sbd, &s->iomem);
1543 sysbus_init_irq(sbd, &s->irq);
1544 }
1545
1546 I2CBus *pxa2xx_i2c_bus(PXA2xxI2CState *s)
1547 {
1548 return s->bus;
1549 }
1550
1551 static Property pxa2xx_i2c_properties[] = {
1552 DEFINE_PROP_UINT32("size", PXA2xxI2CState, region_size, 0x10000),
1553 DEFINE_PROP_UINT32("offset", PXA2xxI2CState, offset, 0),
1554 DEFINE_PROP_END_OF_LIST(),
1555 };
1556
1557 static void pxa2xx_i2c_class_init(ObjectClass *klass, void *data)
1558 {
1559 DeviceClass *dc = DEVICE_CLASS(klass);
1560
1561 dc->desc = "PXA2xx I2C Bus Controller";
1562 dc->vmsd = &vmstate_pxa2xx_i2c;
1563 device_class_set_props(dc, pxa2xx_i2c_properties);
1564 }
1565
1566 static const TypeInfo pxa2xx_i2c_info = {
1567 .name = TYPE_PXA2XX_I2C,
1568 .parent = TYPE_SYS_BUS_DEVICE,
1569 .instance_size = sizeof(PXA2xxI2CState),
1570 .instance_init = pxa2xx_i2c_initfn,
1571 .class_init = pxa2xx_i2c_class_init,
1572 };
1573
1574 /* PXA Inter-IC Sound Controller */
1575 static void pxa2xx_i2s_reset(PXA2xxI2SState *i2s)
1576 {
1577 i2s->rx_len = 0;
1578 i2s->tx_len = 0;
1579 i2s->fifo_len = 0;
1580 i2s->clk = 0x1a;
1581 i2s->control[0] = 0x00;
1582 i2s->control[1] = 0x00;
1583 i2s->status = 0x00;
1584 i2s->mask = 0x00;
1585 }
1586
1587 #define SACR_TFTH(val) ((val >> 8) & 0xf)
1588 #define SACR_RFTH(val) ((val >> 12) & 0xf)
1589 #define SACR_DREC(val) (val & (1 << 3))
1590 #define SACR_DPRL(val) (val & (1 << 4))
1591
1592 static inline void pxa2xx_i2s_update(PXA2xxI2SState *i2s)
1593 {
1594 int rfs, tfs;
1595 rfs = SACR_RFTH(i2s->control[0]) < i2s->rx_len &&
1596 !SACR_DREC(i2s->control[1]);
1597 tfs = (i2s->tx_len || i2s->fifo_len < SACR_TFTH(i2s->control[0])) &&
1598 i2s->enable && !SACR_DPRL(i2s->control[1]);
1599
1600 qemu_set_irq(i2s->rx_dma, rfs);
1601 qemu_set_irq(i2s->tx_dma, tfs);
1602
1603 i2s->status &= 0xe0;
1604 if (i2s->fifo_len < 16 || !i2s->enable)
1605 i2s->status |= 1 << 0; /* TNF */
1606 if (i2s->rx_len)
1607 i2s->status |= 1 << 1; /* RNE */
1608 if (i2s->enable)
1609 i2s->status |= 1 << 2; /* BSY */
1610 if (tfs)
1611 i2s->status |= 1 << 3; /* TFS */
1612 if (rfs)
1613 i2s->status |= 1 << 4; /* RFS */
1614 if (!(i2s->tx_len && i2s->enable))
1615 i2s->status |= i2s->fifo_len << 8; /* TFL */
1616 i2s->status |= MAX(i2s->rx_len, 0xf) << 12; /* RFL */
1617
1618 qemu_set_irq(i2s->irq, i2s->status & i2s->mask);
1619 }
1620
1621 #define SACR0 0x00 /* Serial Audio Global Control register */
1622 #define SACR1 0x04 /* Serial Audio I2S/MSB-Justified Control register */
1623 #define SASR0 0x0c /* Serial Audio Interface and FIFO Status register */
1624 #define SAIMR 0x14 /* Serial Audio Interrupt Mask register */
1625 #define SAICR 0x18 /* Serial Audio Interrupt Clear register */
1626 #define SADIV 0x60 /* Serial Audio Clock Divider register */
1627 #define SADR 0x80 /* Serial Audio Data register */
1628
1629 static uint64_t pxa2xx_i2s_read(void *opaque, hwaddr addr,
1630 unsigned size)
1631 {
1632 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1633
1634 switch (addr) {
1635 case SACR0:
1636 return s->control[0];
1637 case SACR1:
1638 return s->control[1];
1639 case SASR0:
1640 return s->status;
1641 case SAIMR:
1642 return s->mask;
1643 case SAICR:
1644 return 0;
1645 case SADIV:
1646 return s->clk;
1647 case SADR:
1648 if (s->rx_len > 0) {
1649 s->rx_len --;
1650 pxa2xx_i2s_update(s);
1651 return s->codec_in(s->opaque);
1652 }
1653 return 0;
1654 default:
1655 qemu_log_mask(LOG_GUEST_ERROR,
1656 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
1657 __func__, addr);
1658 break;
1659 }
1660 return 0;
1661 }
1662
1663 static void pxa2xx_i2s_write(void *opaque, hwaddr addr,
1664 uint64_t value, unsigned size)
1665 {
1666 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1667 uint32_t *sample;
1668
1669 switch (addr) {
1670 case SACR0:
1671 if (value & (1 << 3)) /* RST */
1672 pxa2xx_i2s_reset(s);
1673 s->control[0] = value & 0xff3d;
1674 if (!s->enable && (value & 1) && s->tx_len) { /* ENB */
1675 for (sample = s->fifo; s->fifo_len > 0; s->fifo_len --, sample ++)
1676 s->codec_out(s->opaque, *sample);
1677 s->status &= ~(1 << 7); /* I2SOFF */
1678 }
1679 if (value & (1 << 4)) /* EFWR */
1680 printf("%s: Attempt to use special function\n", __func__);
1681 s->enable = (value & 9) == 1; /* ENB && !RST*/
1682 pxa2xx_i2s_update(s);
1683 break;
1684 case SACR1:
1685 s->control[1] = value & 0x0039;
1686 if (value & (1 << 5)) /* ENLBF */
1687 printf("%s: Attempt to use loopback function\n", __func__);
1688 if (value & (1 << 4)) /* DPRL */
1689 s->fifo_len = 0;
1690 pxa2xx_i2s_update(s);
1691 break;
1692 case SAIMR:
1693 s->mask = value & 0x0078;
1694 pxa2xx_i2s_update(s);
1695 break;
1696 case SAICR:
1697 s->status &= ~(value & (3 << 5));
1698 pxa2xx_i2s_update(s);
1699 break;
1700 case SADIV:
1701 s->clk = value & 0x007f;
1702 break;
1703 case SADR:
1704 if (s->tx_len && s->enable) {
1705 s->tx_len --;
1706 pxa2xx_i2s_update(s);
1707 s->codec_out(s->opaque, value);
1708 } else if (s->fifo_len < 16) {
1709 s->fifo[s->fifo_len ++] = value;
1710 pxa2xx_i2s_update(s);
1711 }
1712 break;
1713 default:
1714 qemu_log_mask(LOG_GUEST_ERROR,
1715 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
1716 __func__, addr);
1717 }
1718 }
1719
1720 static const MemoryRegionOps pxa2xx_i2s_ops = {
1721 .read = pxa2xx_i2s_read,
1722 .write = pxa2xx_i2s_write,
1723 .endianness = DEVICE_NATIVE_ENDIAN,
1724 };
1725
1726 static const VMStateDescription vmstate_pxa2xx_i2s = {
1727 .name = "pxa2xx_i2s",
1728 .version_id = 0,
1729 .minimum_version_id = 0,
1730 .fields = (VMStateField[]) {
1731 VMSTATE_UINT32_ARRAY(control, PXA2xxI2SState, 2),
1732 VMSTATE_UINT32(status, PXA2xxI2SState),
1733 VMSTATE_UINT32(mask, PXA2xxI2SState),
1734 VMSTATE_UINT32(clk, PXA2xxI2SState),
1735 VMSTATE_INT32(enable, PXA2xxI2SState),
1736 VMSTATE_INT32(rx_len, PXA2xxI2SState),
1737 VMSTATE_INT32(tx_len, PXA2xxI2SState),
1738 VMSTATE_INT32(fifo_len, PXA2xxI2SState),
1739 VMSTATE_END_OF_LIST()
1740 }
1741 };
1742
1743 static void pxa2xx_i2s_data_req(void *opaque, int tx, int rx)
1744 {
1745 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1746 uint32_t *sample;
1747
1748 /* Signal FIFO errors */
1749 if (s->enable && s->tx_len)
1750 s->status |= 1 << 5; /* TUR */
1751 if (s->enable && s->rx_len)
1752 s->status |= 1 << 6; /* ROR */
1753
1754 /* Should be tx - MIN(tx, s->fifo_len) but we don't really need to
1755 * handle the cases where it makes a difference. */
1756 s->tx_len = tx - s->fifo_len;
1757 s->rx_len = rx;
1758 /* Note that is s->codec_out wasn't set, we wouldn't get called. */
1759 if (s->enable)
1760 for (sample = s->fifo; s->fifo_len; s->fifo_len --, sample ++)
1761 s->codec_out(s->opaque, *sample);
1762 pxa2xx_i2s_update(s);
1763 }
1764
1765 static PXA2xxI2SState *pxa2xx_i2s_init(MemoryRegion *sysmem,
1766 hwaddr base,
1767 qemu_irq irq, qemu_irq rx_dma, qemu_irq tx_dma)
1768 {
1769 PXA2xxI2SState *s = g_new0(PXA2xxI2SState, 1);
1770
1771 s->irq = irq;
1772 s->rx_dma = rx_dma;
1773 s->tx_dma = tx_dma;
1774 s->data_req = pxa2xx_i2s_data_req;
1775
1776 pxa2xx_i2s_reset(s);
1777
1778 memory_region_init_io(&s->iomem, NULL, &pxa2xx_i2s_ops, s,
1779 "pxa2xx-i2s", 0x100000);
1780 memory_region_add_subregion(sysmem, base, &s->iomem);
1781
1782 vmstate_register(NULL, base, &vmstate_pxa2xx_i2s, s);
1783
1784 return s;
1785 }
1786
1787 /* PXA Fast Infra-red Communications Port */
1788 struct PXA2xxFIrState {
1789 /*< private >*/
1790 SysBusDevice parent_obj;
1791 /*< public >*/
1792
1793 MemoryRegion iomem;
1794 qemu_irq irq;
1795 qemu_irq rx_dma;
1796 qemu_irq tx_dma;
1797 uint32_t enable;
1798 CharBackend chr;
1799
1800 uint8_t control[3];
1801 uint8_t status[2];
1802
1803 uint32_t rx_len;
1804 uint32_t rx_start;
1805 uint8_t rx_fifo[64];
1806 };
1807
1808 static void pxa2xx_fir_reset(DeviceState *d)
1809 {
1810 PXA2xxFIrState *s = PXA2XX_FIR(d);
1811
1812 s->control[0] = 0x00;
1813 s->control[1] = 0x00;
1814 s->control[2] = 0x00;
1815 s->status[0] = 0x00;
1816 s->status[1] = 0x00;
1817 s->enable = 0;
1818 }
1819
1820 static inline void pxa2xx_fir_update(PXA2xxFIrState *s)
1821 {
1822 static const int tresh[4] = { 8, 16, 32, 0 };
1823 int intr = 0;
1824 if ((s->control[0] & (1 << 4)) && /* RXE */
1825 s->rx_len >= tresh[s->control[2] & 3]) /* TRIG */
1826 s->status[0] |= 1 << 4; /* RFS */
1827 else
1828 s->status[0] &= ~(1 << 4); /* RFS */
1829 if (s->control[0] & (1 << 3)) /* TXE */
1830 s->status[0] |= 1 << 3; /* TFS */
1831 else
1832 s->status[0] &= ~(1 << 3); /* TFS */
1833 if (s->rx_len)
1834 s->status[1] |= 1 << 2; /* RNE */
1835 else
1836 s->status[1] &= ~(1 << 2); /* RNE */
1837 if (s->control[0] & (1 << 4)) /* RXE */
1838 s->status[1] |= 1 << 0; /* RSY */
1839 else
1840 s->status[1] &= ~(1 << 0); /* RSY */
1841
1842 intr |= (s->control[0] & (1 << 5)) && /* RIE */
1843 (s->status[0] & (1 << 4)); /* RFS */
1844 intr |= (s->control[0] & (1 << 6)) && /* TIE */
1845 (s->status[0] & (1 << 3)); /* TFS */
1846 intr |= (s->control[2] & (1 << 4)) && /* TRAIL */
1847 (s->status[0] & (1 << 6)); /* EOC */
1848 intr |= (s->control[0] & (1 << 2)) && /* TUS */
1849 (s->status[0] & (1 << 1)); /* TUR */
1850 intr |= s->status[0] & 0x25; /* FRE, RAB, EIF */
1851
1852 qemu_set_irq(s->rx_dma, (s->status[0] >> 4) & 1);
1853 qemu_set_irq(s->tx_dma, (s->status[0] >> 3) & 1);
1854
1855 qemu_set_irq(s->irq, intr && s->enable);
1856 }
1857
1858 #define ICCR0 0x00 /* FICP Control register 0 */
1859 #define ICCR1 0x04 /* FICP Control register 1 */
1860 #define ICCR2 0x08 /* FICP Control register 2 */
1861 #define ICDR 0x0c /* FICP Data register */
1862 #define ICSR0 0x14 /* FICP Status register 0 */
1863 #define ICSR1 0x18 /* FICP Status register 1 */
1864 #define ICFOR 0x1c /* FICP FIFO Occupancy Status register */
1865
1866 static uint64_t pxa2xx_fir_read(void *opaque, hwaddr addr,
1867 unsigned size)
1868 {
1869 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1870 uint8_t ret;
1871
1872 switch (addr) {
1873 case ICCR0:
1874 return s->control[0];
1875 case ICCR1:
1876 return s->control[1];
1877 case ICCR2:
1878 return s->control[2];
1879 case ICDR:
1880 s->status[0] &= ~0x01;
1881 s->status[1] &= ~0x72;
1882 if (s->rx_len) {
1883 s->rx_len --;
1884 ret = s->rx_fifo[s->rx_start ++];
1885 s->rx_start &= 63;
1886 pxa2xx_fir_update(s);
1887 return ret;
1888 }
1889 printf("%s: Rx FIFO underrun.\n", __func__);
1890 break;
1891 case ICSR0:
1892 return s->status[0];
1893 case ICSR1:
1894 return s->status[1] | (1 << 3); /* TNF */
1895 case ICFOR:
1896 return s->rx_len;
1897 default:
1898 qemu_log_mask(LOG_GUEST_ERROR,
1899 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
1900 __func__, addr);
1901 break;
1902 }
1903 return 0;
1904 }
1905
1906 static void pxa2xx_fir_write(void *opaque, hwaddr addr,
1907 uint64_t value64, unsigned size)
1908 {
1909 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1910 uint32_t value = value64;
1911 uint8_t ch;
1912
1913 switch (addr) {
1914 case ICCR0:
1915 s->control[0] = value;
1916 if (!(value & (1 << 4))) /* RXE */
1917 s->rx_len = s->rx_start = 0;
1918 if (!(value & (1 << 3))) { /* TXE */
1919 /* Nop */
1920 }
1921 s->enable = value & 1; /* ITR */
1922 if (!s->enable)
1923 s->status[0] = 0;
1924 pxa2xx_fir_update(s);
1925 break;
1926 case ICCR1:
1927 s->control[1] = value;
1928 break;
1929 case ICCR2:
1930 s->control[2] = value & 0x3f;
1931 pxa2xx_fir_update(s);
1932 break;
1933 case ICDR:
1934 if (s->control[2] & (1 << 2)) { /* TXP */
1935 ch = value;
1936 } else {
1937 ch = ~value;
1938 }
1939 if (s->enable && (s->control[0] & (1 << 3))) { /* TXE */
1940 /* XXX this blocks entire thread. Rewrite to use
1941 * qemu_chr_fe_write and background I/O callbacks */
1942 qemu_chr_fe_write_all(&s->chr, &ch, 1);
1943 }
1944 break;
1945 case ICSR0:
1946 s->status[0] &= ~(value & 0x66);
1947 pxa2xx_fir_update(s);
1948 break;
1949 case ICFOR:
1950 break;
1951 default:
1952 qemu_log_mask(LOG_GUEST_ERROR,
1953 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
1954 __func__, addr);
1955 }
1956 }
1957
1958 static const MemoryRegionOps pxa2xx_fir_ops = {
1959 .read = pxa2xx_fir_read,
1960 .write = pxa2xx_fir_write,
1961 .endianness = DEVICE_NATIVE_ENDIAN,
1962 };
1963
1964 static int pxa2xx_fir_is_empty(void *opaque)
1965 {
1966 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1967 return (s->rx_len < 64);
1968 }
1969
1970 static void pxa2xx_fir_rx(void *opaque, const uint8_t *buf, int size)
1971 {
1972 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1973 if (!(s->control[0] & (1 << 4))) /* RXE */
1974 return;
1975
1976 while (size --) {
1977 s->status[1] |= 1 << 4; /* EOF */
1978 if (s->rx_len >= 64) {
1979 s->status[1] |= 1 << 6; /* ROR */
1980 break;
1981 }
1982
1983 if (s->control[2] & (1 << 3)) /* RXP */
1984 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = *(buf ++);
1985 else
1986 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = ~*(buf ++);
1987 }
1988
1989 pxa2xx_fir_update(s);
1990 }
1991
1992 static void pxa2xx_fir_event(void *opaque, QEMUChrEvent event)
1993 {
1994 }
1995
1996 static void pxa2xx_fir_instance_init(Object *obj)
1997 {
1998 PXA2xxFIrState *s = PXA2XX_FIR(obj);
1999 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
2000
2001 memory_region_init_io(&s->iomem, obj, &pxa2xx_fir_ops, s,
2002 "pxa2xx-fir", 0x1000);
2003 sysbus_init_mmio(sbd, &s->iomem);
2004 sysbus_init_irq(sbd, &s->irq);
2005 sysbus_init_irq(sbd, &s->rx_dma);
2006 sysbus_init_irq(sbd, &s->tx_dma);
2007 }
2008
2009 static void pxa2xx_fir_realize(DeviceState *dev, Error **errp)
2010 {
2011 PXA2xxFIrState *s = PXA2XX_FIR(dev);
2012
2013 qemu_chr_fe_set_handlers(&s->chr, pxa2xx_fir_is_empty,
2014 pxa2xx_fir_rx, pxa2xx_fir_event, NULL, s, NULL,
2015 true);
2016 }
2017
2018 static bool pxa2xx_fir_vmstate_validate(void *opaque, int version_id)
2019 {
2020 PXA2xxFIrState *s = opaque;
2021
2022 return s->rx_start < ARRAY_SIZE(s->rx_fifo);
2023 }
2024
2025 static const VMStateDescription pxa2xx_fir_vmsd = {
2026 .name = "pxa2xx-fir",
2027 .version_id = 1,
2028 .minimum_version_id = 1,
2029 .fields = (VMStateField[]) {
2030 VMSTATE_UINT32(enable, PXA2xxFIrState),
2031 VMSTATE_UINT8_ARRAY(control, PXA2xxFIrState, 3),
2032 VMSTATE_UINT8_ARRAY(status, PXA2xxFIrState, 2),
2033 VMSTATE_UINT32(rx_len, PXA2xxFIrState),
2034 VMSTATE_UINT32(rx_start, PXA2xxFIrState),
2035 VMSTATE_VALIDATE("fifo is 64 bytes", pxa2xx_fir_vmstate_validate),
2036 VMSTATE_UINT8_ARRAY(rx_fifo, PXA2xxFIrState, 64),
2037 VMSTATE_END_OF_LIST()
2038 }
2039 };
2040
2041 static Property pxa2xx_fir_properties[] = {
2042 DEFINE_PROP_CHR("chardev", PXA2xxFIrState, chr),
2043 DEFINE_PROP_END_OF_LIST(),
2044 };
2045
2046 static void pxa2xx_fir_class_init(ObjectClass *klass, void *data)
2047 {
2048 DeviceClass *dc = DEVICE_CLASS(klass);
2049
2050 dc->realize = pxa2xx_fir_realize;
2051 dc->vmsd = &pxa2xx_fir_vmsd;
2052 device_class_set_props(dc, pxa2xx_fir_properties);
2053 dc->reset = pxa2xx_fir_reset;
2054 }
2055
2056 static const TypeInfo pxa2xx_fir_info = {
2057 .name = TYPE_PXA2XX_FIR,
2058 .parent = TYPE_SYS_BUS_DEVICE,
2059 .instance_size = sizeof(PXA2xxFIrState),
2060 .class_init = pxa2xx_fir_class_init,
2061 .instance_init = pxa2xx_fir_instance_init,
2062 };
2063
2064 static PXA2xxFIrState *pxa2xx_fir_init(MemoryRegion *sysmem,
2065 hwaddr base,
2066 qemu_irq irq, qemu_irq rx_dma,
2067 qemu_irq tx_dma,
2068 Chardev *chr)
2069 {
2070 DeviceState *dev;
2071 SysBusDevice *sbd;
2072
2073 dev = qdev_new(TYPE_PXA2XX_FIR);
2074 qdev_prop_set_chr(dev, "chardev", chr);
2075 sbd = SYS_BUS_DEVICE(dev);
2076 sysbus_realize_and_unref(sbd, &error_fatal);
2077 sysbus_mmio_map(sbd, 0, base);
2078 sysbus_connect_irq(sbd, 0, irq);
2079 sysbus_connect_irq(sbd, 1, rx_dma);
2080 sysbus_connect_irq(sbd, 2, tx_dma);
2081 return PXA2XX_FIR(dev);
2082 }
2083
2084 static void pxa2xx_reset(void *opaque, int line, int level)
2085 {
2086 PXA2xxState *s = (PXA2xxState *) opaque;
2087
2088 if (level && (s->pm_regs[PCFR >> 2] & 0x10)) { /* GPR_EN */
2089 cpu_reset(CPU(s->cpu));
2090 /* TODO: reset peripherals */
2091 }
2092 }
2093
2094 /* Initialise a PXA270 integrated chip (ARM based core). */
2095 PXA2xxState *pxa270_init(unsigned int sdram_size, const char *cpu_type)
2096 {
2097 MemoryRegion *address_space = get_system_memory();
2098 PXA2xxState *s;
2099 int i;
2100 DriveInfo *dinfo;
2101 s = g_new0(PXA2xxState, 1);
2102
2103 if (strncmp(cpu_type, "pxa27", 5)) {
2104 error_report("Machine requires a PXA27x processor");
2105 exit(1);
2106 }
2107
2108 s->cpu = ARM_CPU(cpu_create(cpu_type));
2109 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2110
2111 /* SDRAM & Internal Memory Storage */
2112 memory_region_init_ram(&s->sdram, NULL, "pxa270.sdram", sdram_size,
2113 &error_fatal);
2114 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2115 memory_region_init_ram(&s->internal, NULL, "pxa270.internal", 0x40000,
2116 &error_fatal);
2117 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2118 &s->internal);
2119
2120 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2121
2122 s->dma = pxa27x_dma_init(0x40000000,
2123 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2124
2125 sysbus_create_varargs("pxa27x-timer", 0x40a00000,
2126 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2127 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2128 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2129 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2130 qdev_get_gpio_in(s->pic, PXA27X_PIC_OST_4_11),
2131 NULL);
2132
2133 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 121);
2134
2135 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2136 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2137 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2138 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2139 dinfo = drive_get(IF_SD, 0, 0);
2140 if (dinfo) {
2141 DeviceState *carddev;
2142
2143 /* Create and plug in the sd card */
2144 carddev = qdev_new(TYPE_SD_CARD);
2145 qdev_prop_set_drive_err(carddev, "drive",
2146 blk_by_legacy_dinfo(dinfo), &error_fatal);
2147 qdev_realize_and_unref(carddev, qdev_get_child_bus(DEVICE(s->mmc),
2148 "sd-bus"),
2149 &error_fatal);
2150 } else if (!qtest_enabled()) {
2151 warn_report("missing SecureDigital device");
2152 }
2153
2154 for (i = 0; pxa270_serial[i].io_base; i++) {
2155 if (serial_hd(i)) {
2156 serial_mm_init(address_space, pxa270_serial[i].io_base, 2,
2157 qdev_get_gpio_in(s->pic, pxa270_serial[i].irqn),
2158 14857000 / 16, serial_hd(i),
2159 DEVICE_NATIVE_ENDIAN);
2160 } else {
2161 break;
2162 }
2163 }
2164 if (serial_hd(i))
2165 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2166 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2167 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2168 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2169 serial_hd(i));
2170
2171 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2172 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2173
2174 s->cm_base = 0x41300000;
2175 s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */
2176 s->clkcfg = 0x00000009; /* Turbo mode active */
2177 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2178 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2179 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2180
2181 pxa2xx_setup_cp14(s);
2182
2183 s->mm_base = 0x48000000;
2184 s->mm_regs[MDMRS >> 2] = 0x00020002;
2185 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2186 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2187 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2188 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2189 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2190
2191 s->pm_base = 0x40f00000;
2192 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2193 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2194 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2195
2196 for (i = 0; pxa27x_ssp[i].io_base; i ++);
2197 s->ssp = g_new0(SSIBus *, i);
2198 for (i = 0; pxa27x_ssp[i].io_base; i ++) {
2199 DeviceState *dev;
2200 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa27x_ssp[i].io_base,
2201 qdev_get_gpio_in(s->pic, pxa27x_ssp[i].irqn));
2202 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2203 }
2204
2205 sysbus_create_simple("sysbus-ohci", 0x4c000000,
2206 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1));
2207
2208 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2209 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2210
2211 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2212 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2213
2214 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2215 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2216 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2217 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2218
2219 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2220 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2221 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2222 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2223
2224 s->kp = pxa27x_keypad_init(address_space, 0x41500000,
2225 qdev_get_gpio_in(s->pic, PXA2XX_PIC_KEYPAD));
2226
2227 /* GPIO1 resets the processor */
2228 /* The handler can be overridden by board-specific code */
2229 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2230 return s;
2231 }
2232
2233 /* Initialise a PXA255 integrated chip (ARM based core). */
2234 PXA2xxState *pxa255_init(unsigned int sdram_size)
2235 {
2236 MemoryRegion *address_space = get_system_memory();
2237 PXA2xxState *s;
2238 int i;
2239 DriveInfo *dinfo;
2240
2241 s = g_new0(PXA2xxState, 1);
2242
2243 s->cpu = ARM_CPU(cpu_create(ARM_CPU_TYPE_NAME("pxa255")));
2244 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2245
2246 /* SDRAM & Internal Memory Storage */
2247 memory_region_init_ram(&s->sdram, NULL, "pxa255.sdram", sdram_size,
2248 &error_fatal);
2249 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2250 memory_region_init_ram(&s->internal, NULL, "pxa255.internal",
2251 PXA2XX_INTERNAL_SIZE, &error_fatal);
2252 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2253 &s->internal);
2254
2255 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2256
2257 s->dma = pxa255_dma_init(0x40000000,
2258 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2259
2260 sysbus_create_varargs("pxa25x-timer", 0x40a00000,
2261 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2262 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2263 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2264 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2265 NULL);
2266
2267 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 85);
2268
2269 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2270 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2271 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2272 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2273 dinfo = drive_get(IF_SD, 0, 0);
2274 if (dinfo) {
2275 DeviceState *carddev;
2276
2277 /* Create and plug in the sd card */
2278 carddev = qdev_new(TYPE_SD_CARD);
2279 qdev_prop_set_drive_err(carddev, "drive",
2280 blk_by_legacy_dinfo(dinfo), &error_fatal);
2281 qdev_realize_and_unref(carddev, qdev_get_child_bus(DEVICE(s->mmc),
2282 "sd-bus"),
2283 &error_fatal);
2284 } else if (!qtest_enabled()) {
2285 warn_report("missing SecureDigital device");
2286 }
2287
2288 for (i = 0; pxa255_serial[i].io_base; i++) {
2289 if (serial_hd(i)) {
2290 serial_mm_init(address_space, pxa255_serial[i].io_base, 2,
2291 qdev_get_gpio_in(s->pic, pxa255_serial[i].irqn),
2292 14745600 / 16, serial_hd(i),
2293 DEVICE_NATIVE_ENDIAN);
2294 } else {
2295 break;
2296 }
2297 }
2298 if (serial_hd(i))
2299 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2300 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2301 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2302 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2303 serial_hd(i));
2304
2305 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2306 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2307
2308 s->cm_base = 0x41300000;
2309 s->cm_regs[CCCR >> 2] = 0x00000121; /* from datasheet */
2310 s->cm_regs[CKEN >> 2] = 0x00017def; /* from datasheet */
2311
2312 s->clkcfg = 0x00000009; /* Turbo mode active */
2313 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2314 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2315 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2316
2317 pxa2xx_setup_cp14(s);
2318
2319 s->mm_base = 0x48000000;
2320 s->mm_regs[MDMRS >> 2] = 0x00020002;
2321 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2322 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2323 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2324 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2325 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2326
2327 s->pm_base = 0x40f00000;
2328 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2329 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2330 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2331
2332 for (i = 0; pxa255_ssp[i].io_base; i ++);
2333 s->ssp = g_new0(SSIBus *, i);
2334 for (i = 0; pxa255_ssp[i].io_base; i ++) {
2335 DeviceState *dev;
2336 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa255_ssp[i].io_base,
2337 qdev_get_gpio_in(s->pic, pxa255_ssp[i].irqn));
2338 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2339 }
2340
2341 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2342 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2343
2344 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2345 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2346
2347 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2348 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2349 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2350 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2351
2352 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2353 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2354 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2355 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2356
2357 /* GPIO1 resets the processor */
2358 /* The handler can be overridden by board-specific code */
2359 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2360 return s;
2361 }
2362
2363 static void pxa2xx_ssp_class_init(ObjectClass *klass, void *data)
2364 {
2365 DeviceClass *dc = DEVICE_CLASS(klass);
2366
2367 dc->reset = pxa2xx_ssp_reset;
2368 dc->vmsd = &vmstate_pxa2xx_ssp;
2369 }
2370
2371 static const TypeInfo pxa2xx_ssp_info = {
2372 .name = TYPE_PXA2XX_SSP,
2373 .parent = TYPE_SYS_BUS_DEVICE,
2374 .instance_size = sizeof(PXA2xxSSPState),
2375 .instance_init = pxa2xx_ssp_init,
2376 .class_init = pxa2xx_ssp_class_init,
2377 };
2378
2379 static void pxa2xx_register_types(void)
2380 {
2381 type_register_static(&pxa2xx_i2c_slave_info);
2382 type_register_static(&pxa2xx_ssp_info);
2383 type_register_static(&pxa2xx_i2c_info);
2384 type_register_static(&pxa2xx_rtc_sysbus_info);
2385 type_register_static(&pxa2xx_fir_info);
2386 }
2387
2388 type_init(pxa2xx_register_types)
armbru's QEMU hackery