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target/avr: Add basic parameters of the new platform
[qemu/ar7.git] / hw / arm / pxa2xx.c
blobf104a33463a484e568c94b4e0cd4a443da6796d6
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 "chardev/char-fe.h"
26 #include "sysemu/blockdev.h"
27 #include "sysemu/qtest.h"
28 #include "qemu/cutils.h"
29 #include "qemu/log.h"
30
31 static struct {
32 hwaddr io_base;
33 int irqn;
34 } pxa255_serial[] = {
35 { 0x40100000, PXA2XX_PIC_FFUART },
36 { 0x40200000, PXA2XX_PIC_BTUART },
37 { 0x40700000, PXA2XX_PIC_STUART },
38 { 0x41600000, PXA25X_PIC_HWUART },
39 { 0, 0 }
40 }, pxa270_serial[] = {
41 { 0x40100000, PXA2XX_PIC_FFUART },
42 { 0x40200000, PXA2XX_PIC_BTUART },
43 { 0x40700000, PXA2XX_PIC_STUART },
44 { 0, 0 }
45 };
46
47 typedef struct PXASSPDef {
48 hwaddr io_base;
49 int irqn;
50 } PXASSPDef;
51
52 #if 0
53 static PXASSPDef pxa250_ssp[] = {
54 { 0x41000000, PXA2XX_PIC_SSP },
55 { 0, 0 }
56 };
57 #endif
58
59 static PXASSPDef pxa255_ssp[] = {
60 { 0x41000000, PXA2XX_PIC_SSP },
61 { 0x41400000, PXA25X_PIC_NSSP },
62 { 0, 0 }
63 };
64
65 #if 0
66 static PXASSPDef pxa26x_ssp[] = {
67 { 0x41000000, PXA2XX_PIC_SSP },
68 { 0x41400000, PXA25X_PIC_NSSP },
69 { 0x41500000, PXA26X_PIC_ASSP },
70 { 0, 0 }
71 };
72 #endif
73
74 static PXASSPDef pxa27x_ssp[] = {
75 { 0x41000000, PXA2XX_PIC_SSP },
76 { 0x41700000, PXA27X_PIC_SSP2 },
77 { 0x41900000, PXA2XX_PIC_SSP3 },
78 { 0, 0 }
79 };
80
81 #define PMCR 0x00 /* Power Manager Control register */
82 #define PSSR 0x04 /* Power Manager Sleep Status register */
83 #define PSPR 0x08 /* Power Manager Scratch-Pad register */
84 #define PWER 0x0c /* Power Manager Wake-Up Enable register */
85 #define PRER 0x10 /* Power Manager Rising-Edge Detect Enable register */
86 #define PFER 0x14 /* Power Manager Falling-Edge Detect Enable register */
87 #define PEDR 0x18 /* Power Manager Edge-Detect Status register */
88 #define PCFR 0x1c /* Power Manager General Configuration register */
89 #define PGSR0 0x20 /* Power Manager GPIO Sleep-State register 0 */
90 #define PGSR1 0x24 /* Power Manager GPIO Sleep-State register 1 */
91 #define PGSR2 0x28 /* Power Manager GPIO Sleep-State register 2 */
92 #define PGSR3 0x2c /* Power Manager GPIO Sleep-State register 3 */
93 #define RCSR 0x30 /* Reset Controller Status register */
94 #define PSLR 0x34 /* Power Manager Sleep Configuration register */
95 #define PTSR 0x38 /* Power Manager Standby Configuration register */
96 #define PVCR 0x40 /* Power Manager Voltage Change Control register */
97 #define PUCR 0x4c /* Power Manager USIM Card Control/Status register */
98 #define PKWR 0x50 /* Power Manager Keyboard Wake-Up Enable register */
99 #define PKSR 0x54 /* Power Manager Keyboard Level-Detect Status */
100 #define PCMD0 0x80 /* Power Manager I2C Command register File 0 */
101 #define PCMD31 0xfc /* Power Manager I2C Command register File 31 */
102
103 static uint64_t pxa2xx_pm_read(void *opaque, hwaddr addr,
104 unsigned size)
105 {
106 PXA2xxState *s = (PXA2xxState *) opaque;
107
108 switch (addr) {
109 case PMCR ... PCMD31:
110 if (addr & 3)
111 goto fail;
112
113 return s->pm_regs[addr >> 2];
114 default:
115 fail:
116 qemu_log_mask(LOG_GUEST_ERROR,
117 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
118 __func__, addr);
119 break;
120 }
121 return 0;
122 }
123
124 static void pxa2xx_pm_write(void *opaque, hwaddr addr,
125 uint64_t value, unsigned size)
126 {
127 PXA2xxState *s = (PXA2xxState *) opaque;
128
129 switch (addr) {
130 case PMCR:
131 /* Clear the write-one-to-clear bits... */
132 s->pm_regs[addr >> 2] &= ~(value & 0x2a);
133 /* ...and set the plain r/w bits */
134 s->pm_regs[addr >> 2] &= ~0x15;
135 s->pm_regs[addr >> 2] |= value & 0x15;
136 break;
137
138 case PSSR: /* Read-clean registers */
139 case RCSR:
140 case PKSR:
141 s->pm_regs[addr >> 2] &= ~value;
142 break;
143
144 default: /* Read-write registers */
145 if (!(addr & 3)) {
146 s->pm_regs[addr >> 2] = value;
147 break;
148 }
149 qemu_log_mask(LOG_GUEST_ERROR,
150 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
151 __func__, addr);
152 break;
153 }
154 }
155
156 static const MemoryRegionOps pxa2xx_pm_ops = {
157 .read = pxa2xx_pm_read,
158 .write = pxa2xx_pm_write,
159 .endianness = DEVICE_NATIVE_ENDIAN,
160 };
161
162 static const VMStateDescription vmstate_pxa2xx_pm = {
163 .name = "pxa2xx_pm",
164 .version_id = 0,
165 .minimum_version_id = 0,
166 .fields = (VMStateField[]) {
167 VMSTATE_UINT32_ARRAY(pm_regs, PXA2xxState, 0x40),
168 VMSTATE_END_OF_LIST()
169 }
170 };
171
172 #define CCCR 0x00 /* Core Clock Configuration register */
173 #define CKEN 0x04 /* Clock Enable register */
174 #define OSCC 0x08 /* Oscillator Configuration register */
175 #define CCSR 0x0c /* Core Clock Status register */
176
177 static uint64_t pxa2xx_cm_read(void *opaque, hwaddr addr,
178 unsigned size)
179 {
180 PXA2xxState *s = (PXA2xxState *) opaque;
181
182 switch (addr) {
183 case CCCR:
184 case CKEN:
185 case OSCC:
186 return s->cm_regs[addr >> 2];
187
188 case CCSR:
189 return s->cm_regs[CCCR >> 2] | (3 << 28);
190
191 default:
192 qemu_log_mask(LOG_GUEST_ERROR,
193 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
194 __func__, addr);
195 break;
196 }
197 return 0;
198 }
199
200 static void pxa2xx_cm_write(void *opaque, hwaddr addr,
201 uint64_t value, unsigned size)
202 {
203 PXA2xxState *s = (PXA2xxState *) opaque;
204
205 switch (addr) {
206 case CCCR:
207 case CKEN:
208 s->cm_regs[addr >> 2] = value;
209 break;
210
211 case OSCC:
212 s->cm_regs[addr >> 2] &= ~0x6c;
213 s->cm_regs[addr >> 2] |= value & 0x6e;
214 if ((value >> 1) & 1) /* OON */
215 s->cm_regs[addr >> 2] |= 1 << 0; /* Oscillator is now stable */
216 break;
217
218 default:
219 qemu_log_mask(LOG_GUEST_ERROR,
220 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
221 __func__, addr);
222 break;
223 }
224 }
225
226 static const MemoryRegionOps pxa2xx_cm_ops = {
227 .read = pxa2xx_cm_read,
228 .write = pxa2xx_cm_write,
229 .endianness = DEVICE_NATIVE_ENDIAN,
230 };
231
232 static const VMStateDescription vmstate_pxa2xx_cm = {
233 .name = "pxa2xx_cm",
234 .version_id = 0,
235 .minimum_version_id = 0,
236 .fields = (VMStateField[]) {
237 VMSTATE_UINT32_ARRAY(cm_regs, PXA2xxState, 4),
238 VMSTATE_UINT32(clkcfg, PXA2xxState),
239 VMSTATE_UINT32(pmnc, PXA2xxState),
240 VMSTATE_END_OF_LIST()
241 }
242 };
243
244 static uint64_t pxa2xx_clkcfg_read(CPUARMState *env, const ARMCPRegInfo *ri)
245 {
246 PXA2xxState *s = (PXA2xxState *)ri->opaque;
247 return s->clkcfg;
248 }
249
250 static void pxa2xx_clkcfg_write(CPUARMState *env, const ARMCPRegInfo *ri,
251 uint64_t value)
252 {
253 PXA2xxState *s = (PXA2xxState *)ri->opaque;
254 s->clkcfg = value & 0xf;
255 if (value & 2) {
256 printf("%s: CPU frequency change attempt\n", __func__);
257 }
258 }
259
260 static void pxa2xx_pwrmode_write(CPUARMState *env, const ARMCPRegInfo *ri,
261 uint64_t value)
262 {
263 PXA2xxState *s = (PXA2xxState *)ri->opaque;
264 static const char *pwrmode[8] = {
265 "Normal", "Idle", "Deep-idle", "Standby",
266 "Sleep", "reserved (!)", "reserved (!)", "Deep-sleep",
267 };
268
269 if (value & 8) {
270 printf("%s: CPU voltage change attempt\n", __func__);
271 }
272 switch (value & 7) {
273 case 0:
274 /* Do nothing */
275 break;
276
277 case 1:
278 /* Idle */
279 if (!(s->cm_regs[CCCR >> 2] & (1U << 31))) { /* CPDIS */
280 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
281 break;
282 }
283 /* Fall through. */
284
285 case 2:
286 /* Deep-Idle */
287 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
288 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
289 goto message;
290
291 case 3:
292 s->cpu->env.uncached_cpsr = ARM_CPU_MODE_SVC;
293 s->cpu->env.daif = PSTATE_A | PSTATE_F | PSTATE_I;
294 s->cpu->env.cp15.sctlr_ns = 0;
295 s->cpu->env.cp15.cpacr_el1 = 0;
296 s->cpu->env.cp15.ttbr0_el[1] = 0;
297 s->cpu->env.cp15.dacr_ns = 0;
298 s->pm_regs[PSSR >> 2] |= 0x8; /* Set STS */
299 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
300
301 /*
302 * The scratch-pad register is almost universally used
303 * for storing the return address on suspend. For the
304 * lack of a resuming bootloader, perform a jump
305 * directly to that address.
306 */
307 memset(s->cpu->env.regs, 0, 4 * 15);
308 s->cpu->env.regs[15] = s->pm_regs[PSPR >> 2];
309
310 #if 0
311 buffer = 0xe59ff000; /* ldr pc, [pc, #0] */
312 cpu_physical_memory_write(0, &buffer, 4);
313 buffer = s->pm_regs[PSPR >> 2];
314 cpu_physical_memory_write(8, &buffer, 4);
315 #endif
316
317 /* Suspend */
318 cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT);
319
320 goto message;
321
322 default:
323 message:
324 printf("%s: machine entered %s mode\n", __func__,
325 pwrmode[value & 7]);
326 }
327 }
328
329 static uint64_t pxa2xx_cppmnc_read(CPUARMState *env, const ARMCPRegInfo *ri)
330 {
331 PXA2xxState *s = (PXA2xxState *)ri->opaque;
332 return s->pmnc;
333 }
334
335 static void pxa2xx_cppmnc_write(CPUARMState *env, const ARMCPRegInfo *ri,
336 uint64_t value)
337 {
338 PXA2xxState *s = (PXA2xxState *)ri->opaque;
339 s->pmnc = value;
340 }
341
342 static uint64_t pxa2xx_cpccnt_read(CPUARMState *env, const ARMCPRegInfo *ri)
343 {
344 PXA2xxState *s = (PXA2xxState *)ri->opaque;
345 if (s->pmnc & 1) {
346 return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
347 } else {
348 return 0;
349 }
350 }
351
352 static const ARMCPRegInfo pxa_cp_reginfo[] = {
353 /* cp14 crm==1: perf registers */
354 { .name = "CPPMNC", .cp = 14, .crn = 0, .crm = 1, .opc1 = 0, .opc2 = 0,
355 .access = PL1_RW, .type = ARM_CP_IO,
356 .readfn = pxa2xx_cppmnc_read, .writefn = pxa2xx_cppmnc_write },
357 { .name = "CPCCNT", .cp = 14, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0,
358 .access = PL1_RW, .type = ARM_CP_IO,
359 .readfn = pxa2xx_cpccnt_read, .writefn = arm_cp_write_ignore },
360 { .name = "CPINTEN", .cp = 14, .crn = 4, .crm = 1, .opc1 = 0, .opc2 = 0,
361 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
362 { .name = "CPFLAG", .cp = 14, .crn = 5, .crm = 1, .opc1 = 0, .opc2 = 0,
363 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
364 { .name = "CPEVTSEL", .cp = 14, .crn = 8, .crm = 1, .opc1 = 0, .opc2 = 0,
365 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
366 /* cp14 crm==2: performance count registers */
367 { .name = "CPPMN0", .cp = 14, .crn = 0, .crm = 2, .opc1 = 0, .opc2 = 0,
368 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
369 { .name = "CPPMN1", .cp = 14, .crn = 1, .crm = 2, .opc1 = 0, .opc2 = 0,
370 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
371 { .name = "CPPMN2", .cp = 14, .crn = 2, .crm = 2, .opc1 = 0, .opc2 = 0,
372 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
373 { .name = "CPPMN3", .cp = 14, .crn = 2, .crm = 3, .opc1 = 0, .opc2 = 0,
374 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
375 /* cp14 crn==6: CLKCFG */
376 { .name = "CLKCFG", .cp = 14, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 0,
377 .access = PL1_RW, .type = ARM_CP_IO,
378 .readfn = pxa2xx_clkcfg_read, .writefn = pxa2xx_clkcfg_write },
379 /* cp14 crn==7: PWRMODE */
380 { .name = "PWRMODE", .cp = 14, .crn = 7, .crm = 0, .opc1 = 0, .opc2 = 0,
381 .access = PL1_RW, .type = ARM_CP_IO,
382 .readfn = arm_cp_read_zero, .writefn = pxa2xx_pwrmode_write },
383 REGINFO_SENTINEL
384 };
385
386 static void pxa2xx_setup_cp14(PXA2xxState *s)
387 {
388 define_arm_cp_regs_with_opaque(s->cpu, pxa_cp_reginfo, s);
389 }
390
391 #define MDCNFG 0x00 /* SDRAM Configuration register */
392 #define MDREFR 0x04 /* SDRAM Refresh Control register */
393 #define MSC0 0x08 /* Static Memory Control register 0 */
394 #define MSC1 0x0c /* Static Memory Control register 1 */
395 #define MSC2 0x10 /* Static Memory Control register 2 */
396 #define MECR 0x14 /* Expansion Memory Bus Config register */
397 #define SXCNFG 0x1c /* Synchronous Static Memory Config register */
398 #define MCMEM0 0x28 /* PC Card Memory Socket 0 Timing register */
399 #define MCMEM1 0x2c /* PC Card Memory Socket 1 Timing register */
400 #define MCATT0 0x30 /* PC Card Attribute Socket 0 register */
401 #define MCATT1 0x34 /* PC Card Attribute Socket 1 register */
402 #define MCIO0 0x38 /* PC Card I/O Socket 0 Timing register */
403 #define MCIO1 0x3c /* PC Card I/O Socket 1 Timing register */
404 #define MDMRS 0x40 /* SDRAM Mode Register Set Config register */
405 #define BOOT_DEF 0x44 /* Boot-time Default Configuration register */
406 #define ARB_CNTL 0x48 /* Arbiter Control register */
407 #define BSCNTR0 0x4c /* Memory Buffer Strength Control register 0 */
408 #define BSCNTR1 0x50 /* Memory Buffer Strength Control register 1 */
409 #define LCDBSCNTR 0x54 /* LCD Buffer Strength Control register */
410 #define MDMRSLP 0x58 /* Low Power SDRAM Mode Set Config register */
411 #define BSCNTR2 0x5c /* Memory Buffer Strength Control register 2 */
412 #define BSCNTR3 0x60 /* Memory Buffer Strength Control register 3 */
413 #define SA1110 0x64 /* SA-1110 Memory Compatibility register */
414
415 static uint64_t pxa2xx_mm_read(void *opaque, hwaddr addr,
416 unsigned size)
417 {
418 PXA2xxState *s = (PXA2xxState *) opaque;
419
420 switch (addr) {
421 case MDCNFG ... SA1110:
422 if ((addr & 3) == 0)
423 return s->mm_regs[addr >> 2];
424 /* fall through */
425 default:
426 qemu_log_mask(LOG_GUEST_ERROR,
427 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
428 __func__, addr);
429 break;
430 }
431 return 0;
432 }
433
434 static void pxa2xx_mm_write(void *opaque, hwaddr addr,
435 uint64_t value, unsigned size)
436 {
437 PXA2xxState *s = (PXA2xxState *) opaque;
438
439 switch (addr) {
440 case MDCNFG ... SA1110:
441 if ((addr & 3) == 0) {
442 s->mm_regs[addr >> 2] = value;
443 break;
444 }
445
446 default:
447 qemu_log_mask(LOG_GUEST_ERROR,
448 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
449 __func__, addr);
450 break;
451 }
452 }
453
454 static const MemoryRegionOps pxa2xx_mm_ops = {
455 .read = pxa2xx_mm_read,
456 .write = pxa2xx_mm_write,
457 .endianness = DEVICE_NATIVE_ENDIAN,
458 };
459
460 static const VMStateDescription vmstate_pxa2xx_mm = {
461 .name = "pxa2xx_mm",
462 .version_id = 0,
463 .minimum_version_id = 0,
464 .fields = (VMStateField[]) {
465 VMSTATE_UINT32_ARRAY(mm_regs, PXA2xxState, 0x1a),
466 VMSTATE_END_OF_LIST()
467 }
468 };
469
470 #define TYPE_PXA2XX_SSP "pxa2xx-ssp"
471 #define PXA2XX_SSP(obj) \
472 OBJECT_CHECK(PXA2xxSSPState, (obj), TYPE_PXA2XX_SSP)
473
474 /* Synchronous Serial Ports */
475 typedef struct {
476 /*< private >*/
477 SysBusDevice parent_obj;
478 /*< public >*/
479
480 MemoryRegion iomem;
481 qemu_irq irq;
482 uint32_t enable;
483 SSIBus *bus;
484
485 uint32_t sscr[2];
486 uint32_t sspsp;
487 uint32_t ssto;
488 uint32_t ssitr;
489 uint32_t sssr;
490 uint8_t sstsa;
491 uint8_t ssrsa;
492 uint8_t ssacd;
493
494 uint32_t rx_fifo[16];
495 uint32_t rx_level;
496 uint32_t rx_start;
497 } PXA2xxSSPState;
498
499 static bool pxa2xx_ssp_vmstate_validate(void *opaque, int version_id)
500 {
501 PXA2xxSSPState *s = opaque;
502
503 return s->rx_start < sizeof(s->rx_fifo);
504 }
505
506 static const VMStateDescription vmstate_pxa2xx_ssp = {
507 .name = "pxa2xx-ssp",
508 .version_id = 1,
509 .minimum_version_id = 1,
510 .fields = (VMStateField[]) {
511 VMSTATE_UINT32(enable, PXA2xxSSPState),
512 VMSTATE_UINT32_ARRAY(sscr, PXA2xxSSPState, 2),
513 VMSTATE_UINT32(sspsp, PXA2xxSSPState),
514 VMSTATE_UINT32(ssto, PXA2xxSSPState),
515 VMSTATE_UINT32(ssitr, PXA2xxSSPState),
516 VMSTATE_UINT32(sssr, PXA2xxSSPState),
517 VMSTATE_UINT8(sstsa, PXA2xxSSPState),
518 VMSTATE_UINT8(ssrsa, PXA2xxSSPState),
519 VMSTATE_UINT8(ssacd, PXA2xxSSPState),
520 VMSTATE_UINT32(rx_level, PXA2xxSSPState),
521 VMSTATE_UINT32(rx_start, PXA2xxSSPState),
522 VMSTATE_VALIDATE("fifo is 16 bytes", pxa2xx_ssp_vmstate_validate),
523 VMSTATE_UINT32_ARRAY(rx_fifo, PXA2xxSSPState, 16),
524 VMSTATE_END_OF_LIST()
525 }
526 };
527
528 #define SSCR0 0x00 /* SSP Control register 0 */
529 #define SSCR1 0x04 /* SSP Control register 1 */
530 #define SSSR 0x08 /* SSP Status register */
531 #define SSITR 0x0c /* SSP Interrupt Test register */
532 #define SSDR 0x10 /* SSP Data register */
533 #define SSTO 0x28 /* SSP Time-Out register */
534 #define SSPSP 0x2c /* SSP Programmable Serial Protocol register */
535 #define SSTSA 0x30 /* SSP TX Time Slot Active register */
536 #define SSRSA 0x34 /* SSP RX Time Slot Active register */
537 #define SSTSS 0x38 /* SSP Time Slot Status register */
538 #define SSACD 0x3c /* SSP Audio Clock Divider register */
539
540 /* Bitfields for above registers */
541 #define SSCR0_SPI(x) (((x) & 0x30) == 0x00)
542 #define SSCR0_SSP(x) (((x) & 0x30) == 0x10)
543 #define SSCR0_UWIRE(x) (((x) & 0x30) == 0x20)
544 #define SSCR0_PSP(x) (((x) & 0x30) == 0x30)
545 #define SSCR0_SSE (1 << 7)
546 #define SSCR0_RIM (1 << 22)
547 #define SSCR0_TIM (1 << 23)
548 #define SSCR0_MOD (1U << 31)
549 #define SSCR0_DSS(x) (((((x) >> 16) & 0x10) | ((x) & 0xf)) + 1)
550 #define SSCR1_RIE (1 << 0)
551 #define SSCR1_TIE (1 << 1)
552 #define SSCR1_LBM (1 << 2)
553 #define SSCR1_MWDS (1 << 5)
554 #define SSCR1_TFT(x) ((((x) >> 6) & 0xf) + 1)
555 #define SSCR1_RFT(x) ((((x) >> 10) & 0xf) + 1)
556 #define SSCR1_EFWR (1 << 14)
557 #define SSCR1_PINTE (1 << 18)
558 #define SSCR1_TINTE (1 << 19)
559 #define SSCR1_RSRE (1 << 20)
560 #define SSCR1_TSRE (1 << 21)
561 #define SSCR1_EBCEI (1 << 29)
562 #define SSITR_INT (7 << 5)
563 #define SSSR_TNF (1 << 2)
564 #define SSSR_RNE (1 << 3)
565 #define SSSR_TFS (1 << 5)
566 #define SSSR_RFS (1 << 6)
567 #define SSSR_ROR (1 << 7)
568 #define SSSR_PINT (1 << 18)
569 #define SSSR_TINT (1 << 19)
570 #define SSSR_EOC (1 << 20)
571 #define SSSR_TUR (1 << 21)
572 #define SSSR_BCE (1 << 23)
573 #define SSSR_RW 0x00bc0080
574
575 static void pxa2xx_ssp_int_update(PXA2xxSSPState *s)
576 {
577 int level = 0;
578
579 level |= s->ssitr & SSITR_INT;
580 level |= (s->sssr & SSSR_BCE) && (s->sscr[1] & SSCR1_EBCEI);
581 level |= (s->sssr & SSSR_TUR) && !(s->sscr[0] & SSCR0_TIM);
582 level |= (s->sssr & SSSR_EOC) && (s->sssr & (SSSR_TINT | SSSR_PINT));
583 level |= (s->sssr & SSSR_TINT) && (s->sscr[1] & SSCR1_TINTE);
584 level |= (s->sssr & SSSR_PINT) && (s->sscr[1] & SSCR1_PINTE);
585 level |= (s->sssr & SSSR_ROR) && !(s->sscr[0] & SSCR0_RIM);
586 level |= (s->sssr & SSSR_RFS) && (s->sscr[1] & SSCR1_RIE);
587 level |= (s->sssr & SSSR_TFS) && (s->sscr[1] & SSCR1_TIE);
588 qemu_set_irq(s->irq, !!level);
589 }
590
591 static void pxa2xx_ssp_fifo_update(PXA2xxSSPState *s)
592 {
593 s->sssr &= ~(0xf << 12); /* Clear RFL */
594 s->sssr &= ~(0xf << 8); /* Clear TFL */
595 s->sssr &= ~SSSR_TFS;
596 s->sssr &= ~SSSR_TNF;
597 if (s->enable) {
598 s->sssr |= ((s->rx_level - 1) & 0xf) << 12;
599 if (s->rx_level >= SSCR1_RFT(s->sscr[1]))
600 s->sssr |= SSSR_RFS;
601 else
602 s->sssr &= ~SSSR_RFS;
603 if (s->rx_level)
604 s->sssr |= SSSR_RNE;
605 else
606 s->sssr &= ~SSSR_RNE;
607 /* TX FIFO is never filled, so it is always in underrun
608 condition if SSP is enabled */
609 s->sssr |= SSSR_TFS;
610 s->sssr |= SSSR_TNF;
611 }
612
613 pxa2xx_ssp_int_update(s);
614 }
615
616 static uint64_t pxa2xx_ssp_read(void *opaque, hwaddr addr,
617 unsigned size)
618 {
619 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
620 uint32_t retval;
621
622 switch (addr) {
623 case SSCR0:
624 return s->sscr[0];
625 case SSCR1:
626 return s->sscr[1];
627 case SSPSP:
628 return s->sspsp;
629 case SSTO:
630 return s->ssto;
631 case SSITR:
632 return s->ssitr;
633 case SSSR:
634 return s->sssr | s->ssitr;
635 case SSDR:
636 if (!s->enable)
637 return 0xffffffff;
638 if (s->rx_level < 1) {
639 printf("%s: SSP Rx Underrun\n", __func__);
640 return 0xffffffff;
641 }
642 s->rx_level --;
643 retval = s->rx_fifo[s->rx_start ++];
644 s->rx_start &= 0xf;
645 pxa2xx_ssp_fifo_update(s);
646 return retval;
647 case SSTSA:
648 return s->sstsa;
649 case SSRSA:
650 return s->ssrsa;
651 case SSTSS:
652 return 0;
653 case SSACD:
654 return s->ssacd;
655 default:
656 qemu_log_mask(LOG_GUEST_ERROR,
657 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
658 __func__, addr);
659 break;
660 }
661 return 0;
662 }
663
664 static void pxa2xx_ssp_write(void *opaque, hwaddr addr,
665 uint64_t value64, unsigned size)
666 {
667 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
668 uint32_t value = value64;
669
670 switch (addr) {
671 case SSCR0:
672 s->sscr[0] = value & 0xc7ffffff;
673 s->enable = value & SSCR0_SSE;
674 if (value & SSCR0_MOD)
675 printf("%s: Attempt to use network mode\n", __func__);
676 if (s->enable && SSCR0_DSS(value) < 4)
677 printf("%s: Wrong data size: %i bits\n", __func__,
678 SSCR0_DSS(value));
679 if (!(value & SSCR0_SSE)) {
680 s->sssr = 0;
681 s->ssitr = 0;
682 s->rx_level = 0;
683 }
684 pxa2xx_ssp_fifo_update(s);
685 break;
686
687 case SSCR1:
688 s->sscr[1] = value;
689 if (value & (SSCR1_LBM | SSCR1_EFWR))
690 printf("%s: Attempt to use SSP test mode\n", __func__);
691 pxa2xx_ssp_fifo_update(s);
692 break;
693
694 case SSPSP:
695 s->sspsp = value;
696 break;
697
698 case SSTO:
699 s->ssto = value;
700 break;
701
702 case SSITR:
703 s->ssitr = value & SSITR_INT;
704 pxa2xx_ssp_int_update(s);
705 break;
706
707 case SSSR:
708 s->sssr &= ~(value & SSSR_RW);
709 pxa2xx_ssp_int_update(s);
710 break;
711
712 case SSDR:
713 if (SSCR0_UWIRE(s->sscr[0])) {
714 if (s->sscr[1] & SSCR1_MWDS)
715 value &= 0xffff;
716 else
717 value &= 0xff;
718 } else
719 /* Note how 32bits overflow does no harm here */
720 value &= (1 << SSCR0_DSS(s->sscr[0])) - 1;
721
722 /* Data goes from here to the Tx FIFO and is shifted out from
723 * there directly to the slave, no need to buffer it.
724 */
725 if (s->enable) {
726 uint32_t readval;
727 readval = ssi_transfer(s->bus, value);
728 if (s->rx_level < 0x10) {
729 s->rx_fifo[(s->rx_start + s->rx_level ++) & 0xf] = readval;
730 } else {
731 s->sssr |= SSSR_ROR;
732 }
733 }
734 pxa2xx_ssp_fifo_update(s);
735 break;
736
737 case SSTSA:
738 s->sstsa = value;
739 break;
740
741 case SSRSA:
742 s->ssrsa = value;
743 break;
744
745 case SSACD:
746 s->ssacd = value;
747 break;
748
749 default:
750 qemu_log_mask(LOG_GUEST_ERROR,
751 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
752 __func__, addr);
753 break;
754 }
755 }
756
757 static const MemoryRegionOps pxa2xx_ssp_ops = {
758 .read = pxa2xx_ssp_read,
759 .write = pxa2xx_ssp_write,
760 .endianness = DEVICE_NATIVE_ENDIAN,
761 };
762
763 static void pxa2xx_ssp_reset(DeviceState *d)
764 {
765 PXA2xxSSPState *s = PXA2XX_SSP(d);
766
767 s->enable = 0;
768 s->sscr[0] = s->sscr[1] = 0;
769 s->sspsp = 0;
770 s->ssto = 0;
771 s->ssitr = 0;
772 s->sssr = 0;
773 s->sstsa = 0;
774 s->ssrsa = 0;
775 s->ssacd = 0;
776 s->rx_start = s->rx_level = 0;
777 }
778
779 static void pxa2xx_ssp_init(Object *obj)
780 {
781 DeviceState *dev = DEVICE(obj);
782 PXA2xxSSPState *s = PXA2XX_SSP(obj);
783 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
784 sysbus_init_irq(sbd, &s->irq);
785
786 memory_region_init_io(&s->iomem, obj, &pxa2xx_ssp_ops, s,
787 "pxa2xx-ssp", 0x1000);
788 sysbus_init_mmio(sbd, &s->iomem);
789
790 s->bus = ssi_create_bus(dev, "ssi");
791 }
792
793 /* Real-Time Clock */
794 #define RCNR 0x00 /* RTC Counter register */
795 #define RTAR 0x04 /* RTC Alarm register */
796 #define RTSR 0x08 /* RTC Status register */
797 #define RTTR 0x0c /* RTC Timer Trim register */
798 #define RDCR 0x10 /* RTC Day Counter register */
799 #define RYCR 0x14 /* RTC Year Counter register */
800 #define RDAR1 0x18 /* RTC Wristwatch Day Alarm register 1 */
801 #define RYAR1 0x1c /* RTC Wristwatch Year Alarm register 1 */
802 #define RDAR2 0x20 /* RTC Wristwatch Day Alarm register 2 */
803 #define RYAR2 0x24 /* RTC Wristwatch Year Alarm register 2 */
804 #define SWCR 0x28 /* RTC Stopwatch Counter register */
805 #define SWAR1 0x2c /* RTC Stopwatch Alarm register 1 */
806 #define SWAR2 0x30 /* RTC Stopwatch Alarm register 2 */
807 #define RTCPICR 0x34 /* RTC Periodic Interrupt Counter register */
808 #define PIAR 0x38 /* RTC Periodic Interrupt Alarm register */
809
810 #define TYPE_PXA2XX_RTC "pxa2xx_rtc"
811 #define PXA2XX_RTC(obj) \
812 OBJECT_CHECK(PXA2xxRTCState, (obj), TYPE_PXA2XX_RTC)
813
814 typedef struct {
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 } PXA2xxRTCState;
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 #define PXA2XX_I2C_SLAVE(obj) \
1245 OBJECT_CHECK(PXA2xxI2CSlaveState, (obj), TYPE_PXA2XX_I2C_SLAVE)
1246
1247 typedef struct PXA2xxI2CSlaveState {
1248 I2CSlave parent_obj;
1249
1250 PXA2xxI2CState *host;
1251 } PXA2xxI2CSlaveState;
1252
1253 #define TYPE_PXA2XX_I2C "pxa2xx_i2c"
1254 #define PXA2XX_I2C(obj) \
1255 OBJECT_CHECK(PXA2xxI2CState, (obj), TYPE_PXA2XX_I2C)
1256
1257 struct PXA2xxI2CState {
1258 /*< private >*/
1259 SysBusDevice parent_obj;
1260 /*< public >*/
1261
1262 MemoryRegion iomem;
1263 PXA2xxI2CSlaveState *slave;
1264 I2CBus *bus;
1265 qemu_irq irq;
1266 uint32_t offset;
1267 uint32_t region_size;
1268
1269 uint16_t control;
1270 uint16_t status;
1271 uint8_t ibmr;
1272 uint8_t data;
1273 };
1274
1275 #define IBMR 0x80 /* I2C Bus Monitor register */
1276 #define IDBR 0x88 /* I2C Data Buffer register */
1277 #define ICR 0x90 /* I2C Control register */
1278 #define ISR 0x98 /* I2C Status register */
1279 #define ISAR 0xa0 /* I2C Slave Address register */
1280
1281 static void pxa2xx_i2c_update(PXA2xxI2CState *s)
1282 {
1283 uint16_t level = 0;
1284 level |= s->status & s->control & (1 << 10); /* BED */
1285 level |= (s->status & (1 << 7)) && (s->control & (1 << 9)); /* IRF */
1286 level |= (s->status & (1 << 6)) && (s->control & (1 << 8)); /* ITE */
1287 level |= s->status & (1 << 9); /* SAD */
1288 qemu_set_irq(s->irq, !!level);
1289 }
1290
1291 /* These are only stubs now. */
1292 static int pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event)
1293 {
1294 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1295 PXA2xxI2CState *s = slave->host;
1296
1297 switch (event) {
1298 case I2C_START_SEND:
1299 s->status |= (1 << 9); /* set SAD */
1300 s->status &= ~(1 << 0); /* clear RWM */
1301 break;
1302 case I2C_START_RECV:
1303 s->status |= (1 << 9); /* set SAD */
1304 s->status |= 1 << 0; /* set RWM */
1305 break;
1306 case I2C_FINISH:
1307 s->status |= (1 << 4); /* set SSD */
1308 break;
1309 case I2C_NACK:
1310 s->status |= 1 << 1; /* set ACKNAK */
1311 break;
1312 }
1313 pxa2xx_i2c_update(s);
1314
1315 return 0;
1316 }
1317
1318 static uint8_t pxa2xx_i2c_rx(I2CSlave *i2c)
1319 {
1320 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1321 PXA2xxI2CState *s = slave->host;
1322
1323 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1324 return 0;
1325 }
1326
1327 if (s->status & (1 << 0)) { /* RWM */
1328 s->status |= 1 << 6; /* set ITE */
1329 }
1330 pxa2xx_i2c_update(s);
1331
1332 return s->data;
1333 }
1334
1335 static int pxa2xx_i2c_tx(I2CSlave *i2c, uint8_t data)
1336 {
1337 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1338 PXA2xxI2CState *s = slave->host;
1339
1340 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1341 return 1;
1342 }
1343
1344 if (!(s->status & (1 << 0))) { /* RWM */
1345 s->status |= 1 << 7; /* set IRF */
1346 s->data = data;
1347 }
1348 pxa2xx_i2c_update(s);
1349
1350 return 1;
1351 }
1352
1353 static uint64_t pxa2xx_i2c_read(void *opaque, hwaddr addr,
1354 unsigned size)
1355 {
1356 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1357 I2CSlave *slave;
1358
1359 addr -= s->offset;
1360 switch (addr) {
1361 case ICR:
1362 return s->control;
1363 case ISR:
1364 return s->status | (i2c_bus_busy(s->bus) << 2);
1365 case ISAR:
1366 slave = I2C_SLAVE(s->slave);
1367 return slave->address;
1368 case IDBR:
1369 return s->data;
1370 case IBMR:
1371 if (s->status & (1 << 2))
1372 s->ibmr ^= 3; /* Fake SCL and SDA pin changes */
1373 else
1374 s->ibmr = 0;
1375 return s->ibmr;
1376 default:
1377 qemu_log_mask(LOG_GUEST_ERROR,
1378 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
1379 __func__, addr);
1380 break;
1381 }
1382 return 0;
1383 }
1384
1385 static void pxa2xx_i2c_write(void *opaque, hwaddr addr,
1386 uint64_t value64, unsigned size)
1387 {
1388 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1389 uint32_t value = value64;
1390 int ack;
1391
1392 addr -= s->offset;
1393 switch (addr) {
1394 case ICR:
1395 s->control = value & 0xfff7;
1396 if ((value & (1 << 3)) && (value & (1 << 6))) { /* TB and IUE */
1397 /* TODO: slave mode */
1398 if (value & (1 << 0)) { /* START condition */
1399 if (s->data & 1)
1400 s->status |= 1 << 0; /* set RWM */
1401 else
1402 s->status &= ~(1 << 0); /* clear RWM */
1403 ack = !i2c_start_transfer(s->bus, s->data >> 1, s->data & 1);
1404 } else {
1405 if (s->status & (1 << 0)) { /* RWM */
1406 s->data = i2c_recv(s->bus);
1407 if (value & (1 << 2)) /* ACKNAK */
1408 i2c_nack(s->bus);
1409 ack = 1;
1410 } else
1411 ack = !i2c_send(s->bus, s->data);
1412 }
1413
1414 if (value & (1 << 1)) /* STOP condition */
1415 i2c_end_transfer(s->bus);
1416
1417 if (ack) {
1418 if (value & (1 << 0)) /* START condition */
1419 s->status |= 1 << 6; /* set ITE */
1420 else
1421 if (s->status & (1 << 0)) /* RWM */
1422 s->status |= 1 << 7; /* set IRF */
1423 else
1424 s->status |= 1 << 6; /* set ITE */
1425 s->status &= ~(1 << 1); /* clear ACKNAK */
1426 } else {
1427 s->status |= 1 << 6; /* set ITE */
1428 s->status |= 1 << 10; /* set BED */
1429 s->status |= 1 << 1; /* set ACKNAK */
1430 }
1431 }
1432 if (!(value & (1 << 3)) && (value & (1 << 6))) /* !TB and IUE */
1433 if (value & (1 << 4)) /* MA */
1434 i2c_end_transfer(s->bus);
1435 pxa2xx_i2c_update(s);
1436 break;
1437
1438 case ISR:
1439 s->status &= ~(value & 0x07f0);
1440 pxa2xx_i2c_update(s);
1441 break;
1442
1443 case ISAR:
1444 i2c_set_slave_address(I2C_SLAVE(s->slave), value & 0x7f);
1445 break;
1446
1447 case IDBR:
1448 s->data = value & 0xff;
1449 break;
1450
1451 default:
1452 qemu_log_mask(LOG_GUEST_ERROR,
1453 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
1454 __func__, addr);
1455 }
1456 }
1457
1458 static const MemoryRegionOps pxa2xx_i2c_ops = {
1459 .read = pxa2xx_i2c_read,
1460 .write = pxa2xx_i2c_write,
1461 .endianness = DEVICE_NATIVE_ENDIAN,
1462 };
1463
1464 static const VMStateDescription vmstate_pxa2xx_i2c_slave = {
1465 .name = "pxa2xx_i2c_slave",
1466 .version_id = 1,
1467 .minimum_version_id = 1,
1468 .fields = (VMStateField[]) {
1469 VMSTATE_I2C_SLAVE(parent_obj, PXA2xxI2CSlaveState),
1470 VMSTATE_END_OF_LIST()
1471 }
1472 };
1473
1474 static const VMStateDescription vmstate_pxa2xx_i2c = {
1475 .name = "pxa2xx_i2c",
1476 .version_id = 1,
1477 .minimum_version_id = 1,
1478 .fields = (VMStateField[]) {
1479 VMSTATE_UINT16(control, PXA2xxI2CState),
1480 VMSTATE_UINT16(status, PXA2xxI2CState),
1481 VMSTATE_UINT8(ibmr, PXA2xxI2CState),
1482 VMSTATE_UINT8(data, PXA2xxI2CState),
1483 VMSTATE_STRUCT_POINTER(slave, PXA2xxI2CState,
1484 vmstate_pxa2xx_i2c_slave, PXA2xxI2CSlaveState),
1485 VMSTATE_END_OF_LIST()
1486 }
1487 };
1488
1489 static void pxa2xx_i2c_slave_class_init(ObjectClass *klass, void *data)
1490 {
1491 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
1492
1493 k->event = pxa2xx_i2c_event;
1494 k->recv = pxa2xx_i2c_rx;
1495 k->send = pxa2xx_i2c_tx;
1496 }
1497
1498 static const TypeInfo pxa2xx_i2c_slave_info = {
1499 .name = TYPE_PXA2XX_I2C_SLAVE,
1500 .parent = TYPE_I2C_SLAVE,
1501 .instance_size = sizeof(PXA2xxI2CSlaveState),
1502 .class_init = pxa2xx_i2c_slave_class_init,
1503 };
1504
1505 PXA2xxI2CState *pxa2xx_i2c_init(hwaddr base,
1506 qemu_irq irq, uint32_t region_size)
1507 {
1508 DeviceState *dev;
1509 SysBusDevice *i2c_dev;
1510 PXA2xxI2CState *s;
1511 I2CBus *i2cbus;
1512
1513 dev = qdev_new(TYPE_PXA2XX_I2C);
1514 qdev_prop_set_uint32(dev, "size", region_size + 1);
1515 qdev_prop_set_uint32(dev, "offset", base & region_size);
1516
1517 i2c_dev = SYS_BUS_DEVICE(dev);
1518 sysbus_realize_and_unref(i2c_dev, &error_fatal);
1519 sysbus_mmio_map(i2c_dev, 0, base & ~region_size);
1520 sysbus_connect_irq(i2c_dev, 0, irq);
1521
1522 s = PXA2XX_I2C(i2c_dev);
1523 /* FIXME: Should the slave device really be on a separate bus? */
1524 i2cbus = i2c_init_bus(dev, "dummy");
1525 dev = i2c_create_slave(i2cbus, TYPE_PXA2XX_I2C_SLAVE, 0);
1526 s->slave = PXA2XX_I2C_SLAVE(dev);
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 #define TYPE_PXA2XX_FIR "pxa2xx-fir"
1789 #define PXA2XX_FIR(obj) OBJECT_CHECK(PXA2xxFIrState, (obj), TYPE_PXA2XX_FIR)
1790
1791 struct PXA2xxFIrState {
1792 /*< private >*/
1793 SysBusDevice parent_obj;
1794 /*< public >*/
1795
1796 MemoryRegion iomem;
1797 qemu_irq irq;
1798 qemu_irq rx_dma;
1799 qemu_irq tx_dma;
1800 uint32_t enable;
1801 CharBackend chr;
1802
1803 uint8_t control[3];
1804 uint8_t status[2];
1805
1806 uint32_t rx_len;
1807 uint32_t rx_start;
1808 uint8_t rx_fifo[64];
1809 };
1810
1811 static void pxa2xx_fir_reset(DeviceState *d)
1812 {
1813 PXA2xxFIrState *s = PXA2XX_FIR(d);
1814
1815 s->control[0] = 0x00;
1816 s->control[1] = 0x00;
1817 s->control[2] = 0x00;
1818 s->status[0] = 0x00;
1819 s->status[1] = 0x00;
1820 s->enable = 0;
1821 }
1822
1823 static inline void pxa2xx_fir_update(PXA2xxFIrState *s)
1824 {
1825 static const int tresh[4] = { 8, 16, 32, 0 };
1826 int intr = 0;
1827 if ((s->control[0] & (1 << 4)) && /* RXE */
1828 s->rx_len >= tresh[s->control[2] & 3]) /* TRIG */
1829 s->status[0] |= 1 << 4; /* RFS */
1830 else
1831 s->status[0] &= ~(1 << 4); /* RFS */
1832 if (s->control[0] & (1 << 3)) /* TXE */
1833 s->status[0] |= 1 << 3; /* TFS */
1834 else
1835 s->status[0] &= ~(1 << 3); /* TFS */
1836 if (s->rx_len)
1837 s->status[1] |= 1 << 2; /* RNE */
1838 else
1839 s->status[1] &= ~(1 << 2); /* RNE */
1840 if (s->control[0] & (1 << 4)) /* RXE */
1841 s->status[1] |= 1 << 0; /* RSY */
1842 else
1843 s->status[1] &= ~(1 << 0); /* RSY */
1844
1845 intr |= (s->control[0] & (1 << 5)) && /* RIE */
1846 (s->status[0] & (1 << 4)); /* RFS */
1847 intr |= (s->control[0] & (1 << 6)) && /* TIE */
1848 (s->status[0] & (1 << 3)); /* TFS */
1849 intr |= (s->control[2] & (1 << 4)) && /* TRAIL */
1850 (s->status[0] & (1 << 6)); /* EOC */
1851 intr |= (s->control[0] & (1 << 2)) && /* TUS */
1852 (s->status[0] & (1 << 1)); /* TUR */
1853 intr |= s->status[0] & 0x25; /* FRE, RAB, EIF */
1854
1855 qemu_set_irq(s->rx_dma, (s->status[0] >> 4) & 1);
1856 qemu_set_irq(s->tx_dma, (s->status[0] >> 3) & 1);
1857
1858 qemu_set_irq(s->irq, intr && s->enable);
1859 }
1860
1861 #define ICCR0 0x00 /* FICP Control register 0 */
1862 #define ICCR1 0x04 /* FICP Control register 1 */
1863 #define ICCR2 0x08 /* FICP Control register 2 */
1864 #define ICDR 0x0c /* FICP Data register */
1865 #define ICSR0 0x14 /* FICP Status register 0 */
1866 #define ICSR1 0x18 /* FICP Status register 1 */
1867 #define ICFOR 0x1c /* FICP FIFO Occupancy Status register */
1868
1869 static uint64_t pxa2xx_fir_read(void *opaque, hwaddr addr,
1870 unsigned size)
1871 {
1872 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1873 uint8_t ret;
1874
1875 switch (addr) {
1876 case ICCR0:
1877 return s->control[0];
1878 case ICCR1:
1879 return s->control[1];
1880 case ICCR2:
1881 return s->control[2];
1882 case ICDR:
1883 s->status[0] &= ~0x01;
1884 s->status[1] &= ~0x72;
1885 if (s->rx_len) {
1886 s->rx_len --;
1887 ret = s->rx_fifo[s->rx_start ++];
1888 s->rx_start &= 63;
1889 pxa2xx_fir_update(s);
1890 return ret;
1891 }
1892 printf("%s: Rx FIFO underrun.\n", __func__);
1893 break;
1894 case ICSR0:
1895 return s->status[0];
1896 case ICSR1:
1897 return s->status[1] | (1 << 3); /* TNF */
1898 case ICFOR:
1899 return s->rx_len;
1900 default:
1901 qemu_log_mask(LOG_GUEST_ERROR,
1902 "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
1903 __func__, addr);
1904 break;
1905 }
1906 return 0;
1907 }
1908
1909 static void pxa2xx_fir_write(void *opaque, hwaddr addr,
1910 uint64_t value64, unsigned size)
1911 {
1912 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1913 uint32_t value = value64;
1914 uint8_t ch;
1915
1916 switch (addr) {
1917 case ICCR0:
1918 s->control[0] = value;
1919 if (!(value & (1 << 4))) /* RXE */
1920 s->rx_len = s->rx_start = 0;
1921 if (!(value & (1 << 3))) { /* TXE */
1922 /* Nop */
1923 }
1924 s->enable = value & 1; /* ITR */
1925 if (!s->enable)
1926 s->status[0] = 0;
1927 pxa2xx_fir_update(s);
1928 break;
1929 case ICCR1:
1930 s->control[1] = value;
1931 break;
1932 case ICCR2:
1933 s->control[2] = value & 0x3f;
1934 pxa2xx_fir_update(s);
1935 break;
1936 case ICDR:
1937 if (s->control[2] & (1 << 2)) { /* TXP */
1938 ch = value;
1939 } else {
1940 ch = ~value;
1941 }
1942 if (s->enable && (s->control[0] & (1 << 3))) { /* TXE */
1943 /* XXX this blocks entire thread. Rewrite to use
1944 * qemu_chr_fe_write and background I/O callbacks */
1945 qemu_chr_fe_write_all(&s->chr, &ch, 1);
1946 }
1947 break;
1948 case ICSR0:
1949 s->status[0] &= ~(value & 0x66);
1950 pxa2xx_fir_update(s);
1951 break;
1952 case ICFOR:
1953 break;
1954 default:
1955 qemu_log_mask(LOG_GUEST_ERROR,
1956 "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
1957 __func__, addr);
1958 }
1959 }
1960
1961 static const MemoryRegionOps pxa2xx_fir_ops = {
1962 .read = pxa2xx_fir_read,
1963 .write = pxa2xx_fir_write,
1964 .endianness = DEVICE_NATIVE_ENDIAN,
1965 };
1966
1967 static int pxa2xx_fir_is_empty(void *opaque)
1968 {
1969 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1970 return (s->rx_len < 64);
1971 }
1972
1973 static void pxa2xx_fir_rx(void *opaque, const uint8_t *buf, int size)
1974 {
1975 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1976 if (!(s->control[0] & (1 << 4))) /* RXE */
1977 return;
1978
1979 while (size --) {
1980 s->status[1] |= 1 << 4; /* EOF */
1981 if (s->rx_len >= 64) {
1982 s->status[1] |= 1 << 6; /* ROR */
1983 break;
1984 }
1985
1986 if (s->control[2] & (1 << 3)) /* RXP */
1987 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = *(buf ++);
1988 else
1989 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = ~*(buf ++);
1990 }
1991
1992 pxa2xx_fir_update(s);
1993 }
1994
1995 static void pxa2xx_fir_event(void *opaque, QEMUChrEvent event)
1996 {
1997 }
1998
1999 static void pxa2xx_fir_instance_init(Object *obj)
2000 {
2001 PXA2xxFIrState *s = PXA2XX_FIR(obj);
2002 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
2003
2004 memory_region_init_io(&s->iomem, obj, &pxa2xx_fir_ops, s,
2005 "pxa2xx-fir", 0x1000);
2006 sysbus_init_mmio(sbd, &s->iomem);
2007 sysbus_init_irq(sbd, &s->irq);
2008 sysbus_init_irq(sbd, &s->rx_dma);
2009 sysbus_init_irq(sbd, &s->tx_dma);
2010 }
2011
2012 static void pxa2xx_fir_realize(DeviceState *dev, Error **errp)
2013 {
2014 PXA2xxFIrState *s = PXA2XX_FIR(dev);
2015
2016 qemu_chr_fe_set_handlers(&s->chr, pxa2xx_fir_is_empty,
2017 pxa2xx_fir_rx, pxa2xx_fir_event, NULL, s, NULL,
2018 true);
2019 }
2020
2021 static bool pxa2xx_fir_vmstate_validate(void *opaque, int version_id)
2022 {
2023 PXA2xxFIrState *s = opaque;
2024
2025 return s->rx_start < ARRAY_SIZE(s->rx_fifo);
2026 }
2027
2028 static const VMStateDescription pxa2xx_fir_vmsd = {
2029 .name = "pxa2xx-fir",
2030 .version_id = 1,
2031 .minimum_version_id = 1,
2032 .fields = (VMStateField[]) {
2033 VMSTATE_UINT32(enable, PXA2xxFIrState),
2034 VMSTATE_UINT8_ARRAY(control, PXA2xxFIrState, 3),
2035 VMSTATE_UINT8_ARRAY(status, PXA2xxFIrState, 2),
2036 VMSTATE_UINT32(rx_len, PXA2xxFIrState),
2037 VMSTATE_UINT32(rx_start, PXA2xxFIrState),
2038 VMSTATE_VALIDATE("fifo is 64 bytes", pxa2xx_fir_vmstate_validate),
2039 VMSTATE_UINT8_ARRAY(rx_fifo, PXA2xxFIrState, 64),
2040 VMSTATE_END_OF_LIST()
2041 }
2042 };
2043
2044 static Property pxa2xx_fir_properties[] = {
2045 DEFINE_PROP_CHR("chardev", PXA2xxFIrState, chr),
2046 DEFINE_PROP_END_OF_LIST(),
2047 };
2048
2049 static void pxa2xx_fir_class_init(ObjectClass *klass, void *data)
2050 {
2051 DeviceClass *dc = DEVICE_CLASS(klass);
2052
2053 dc->realize = pxa2xx_fir_realize;
2054 dc->vmsd = &pxa2xx_fir_vmsd;
2055 device_class_set_props(dc, pxa2xx_fir_properties);
2056 dc->reset = pxa2xx_fir_reset;
2057 }
2058
2059 static const TypeInfo pxa2xx_fir_info = {
2060 .name = TYPE_PXA2XX_FIR,
2061 .parent = TYPE_SYS_BUS_DEVICE,
2062 .instance_size = sizeof(PXA2xxFIrState),
2063 .class_init = pxa2xx_fir_class_init,
2064 .instance_init = pxa2xx_fir_instance_init,
2065 };
2066
2067 static PXA2xxFIrState *pxa2xx_fir_init(MemoryRegion *sysmem,
2068 hwaddr base,
2069 qemu_irq irq, qemu_irq rx_dma,
2070 qemu_irq tx_dma,
2071 Chardev *chr)
2072 {
2073 DeviceState *dev;
2074 SysBusDevice *sbd;
2075
2076 dev = qdev_new(TYPE_PXA2XX_FIR);
2077 qdev_prop_set_chr(dev, "chardev", chr);
2078 sbd = SYS_BUS_DEVICE(dev);
2079 sysbus_realize_and_unref(sbd, &error_fatal);
2080 sysbus_mmio_map(sbd, 0, base);
2081 sysbus_connect_irq(sbd, 0, irq);
2082 sysbus_connect_irq(sbd, 1, rx_dma);
2083 sysbus_connect_irq(sbd, 2, tx_dma);
2084 return PXA2XX_FIR(dev);
2085 }
2086
2087 static void pxa2xx_reset(void *opaque, int line, int level)
2088 {
2089 PXA2xxState *s = (PXA2xxState *) opaque;
2090
2091 if (level && (s->pm_regs[PCFR >> 2] & 0x10)) { /* GPR_EN */
2092 cpu_reset(CPU(s->cpu));
2093 /* TODO: reset peripherals */
2094 }
2095 }
2096
2097 /* Initialise a PXA270 integrated chip (ARM based core). */
2098 PXA2xxState *pxa270_init(MemoryRegion *address_space,
2099 unsigned int sdram_size, const char *cpu_type)
2100 {
2101 PXA2xxState *s;
2102 int i;
2103 DriveInfo *dinfo;
2104 s = g_new0(PXA2xxState, 1);
2105
2106 if (strncmp(cpu_type, "pxa27", 5)) {
2107 error_report("Machine requires a PXA27x processor");
2108 exit(1);
2109 }
2110
2111 s->cpu = ARM_CPU(cpu_create(cpu_type));
2112 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2113
2114 /* SDRAM & Internal Memory Storage */
2115 memory_region_init_ram(&s->sdram, NULL, "pxa270.sdram", sdram_size,
2116 &error_fatal);
2117 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2118 memory_region_init_ram(&s->internal, NULL, "pxa270.internal", 0x40000,
2119 &error_fatal);
2120 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2121 &s->internal);
2122
2123 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2124
2125 s->dma = pxa27x_dma_init(0x40000000,
2126 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2127
2128 sysbus_create_varargs("pxa27x-timer", 0x40a00000,
2129 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2130 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2131 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2132 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2133 qdev_get_gpio_in(s->pic, PXA27X_PIC_OST_4_11),
2134 NULL);
2135
2136 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 121);
2137
2138 dinfo = drive_get(IF_SD, 0, 0);
2139 if (!dinfo && !qtest_enabled()) {
2140 warn_report("missing SecureDigital device");
2141 }
2142 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2143 dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
2144 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2145 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2146 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2147
2148 for (i = 0; pxa270_serial[i].io_base; i++) {
2149 if (serial_hd(i)) {
2150 serial_mm_init(address_space, pxa270_serial[i].io_base, 2,
2151 qdev_get_gpio_in(s->pic, pxa270_serial[i].irqn),
2152 14857000 / 16, serial_hd(i),
2153 DEVICE_NATIVE_ENDIAN);
2154 } else {
2155 break;
2156 }
2157 }
2158 if (serial_hd(i))
2159 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2160 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2161 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2162 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2163 serial_hd(i));
2164
2165 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2166 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2167
2168 s->cm_base = 0x41300000;
2169 s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */
2170 s->clkcfg = 0x00000009; /* Turbo mode active */
2171 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2172 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2173 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2174
2175 pxa2xx_setup_cp14(s);
2176
2177 s->mm_base = 0x48000000;
2178 s->mm_regs[MDMRS >> 2] = 0x00020002;
2179 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2180 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2181 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2182 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2183 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2184
2185 s->pm_base = 0x40f00000;
2186 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2187 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2188 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2189
2190 for (i = 0; pxa27x_ssp[i].io_base; i ++);
2191 s->ssp = g_new0(SSIBus *, i);
2192 for (i = 0; pxa27x_ssp[i].io_base; i ++) {
2193 DeviceState *dev;
2194 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa27x_ssp[i].io_base,
2195 qdev_get_gpio_in(s->pic, pxa27x_ssp[i].irqn));
2196 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2197 }
2198
2199 sysbus_create_simple("sysbus-ohci", 0x4c000000,
2200 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1));
2201
2202 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2203 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2204
2205 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2206 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2207
2208 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2209 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2210 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2211 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2212
2213 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2214 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2215 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2216 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2217
2218 s->kp = pxa27x_keypad_init(address_space, 0x41500000,
2219 qdev_get_gpio_in(s->pic, PXA2XX_PIC_KEYPAD));
2220
2221 /* GPIO1 resets the processor */
2222 /* The handler can be overridden by board-specific code */
2223 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2224 return s;
2225 }
2226
2227 /* Initialise a PXA255 integrated chip (ARM based core). */
2228 PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size)
2229 {
2230 PXA2xxState *s;
2231 int i;
2232 DriveInfo *dinfo;
2233
2234 s = g_new0(PXA2xxState, 1);
2235
2236 s->cpu = ARM_CPU(cpu_create(ARM_CPU_TYPE_NAME("pxa255")));
2237 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2238
2239 /* SDRAM & Internal Memory Storage */
2240 memory_region_init_ram(&s->sdram, NULL, "pxa255.sdram", sdram_size,
2241 &error_fatal);
2242 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2243 memory_region_init_ram(&s->internal, NULL, "pxa255.internal",
2244 PXA2XX_INTERNAL_SIZE, &error_fatal);
2245 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2246 &s->internal);
2247
2248 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2249
2250 s->dma = pxa255_dma_init(0x40000000,
2251 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2252
2253 sysbus_create_varargs("pxa25x-timer", 0x40a00000,
2254 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2255 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2256 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2257 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2258 NULL);
2259
2260 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 85);
2261
2262 dinfo = drive_get(IF_SD, 0, 0);
2263 if (!dinfo && !qtest_enabled()) {
2264 warn_report("missing SecureDigital device");
2265 }
2266 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2267 dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
2268 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2269 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2270 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2271
2272 for (i = 0; pxa255_serial[i].io_base; i++) {
2273 if (serial_hd(i)) {
2274 serial_mm_init(address_space, pxa255_serial[i].io_base, 2,
2275 qdev_get_gpio_in(s->pic, pxa255_serial[i].irqn),
2276 14745600 / 16, serial_hd(i),
2277 DEVICE_NATIVE_ENDIAN);
2278 } else {
2279 break;
2280 }
2281 }
2282 if (serial_hd(i))
2283 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2284 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2285 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2286 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2287 serial_hd(i));
2288
2289 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2290 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2291
2292 s->cm_base = 0x41300000;
2293 s->cm_regs[CCCR >> 2] = 0x00000121; /* from datasheet */
2294 s->cm_regs[CKEN >> 2] = 0x00017def; /* from datasheet */
2295
2296 s->clkcfg = 0x00000009; /* Turbo mode active */
2297 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2298 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2299 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2300
2301 pxa2xx_setup_cp14(s);
2302
2303 s->mm_base = 0x48000000;
2304 s->mm_regs[MDMRS >> 2] = 0x00020002;
2305 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2306 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2307 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2308 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2309 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2310
2311 s->pm_base = 0x40f00000;
2312 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2313 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2314 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2315
2316 for (i = 0; pxa255_ssp[i].io_base; i ++);
2317 s->ssp = g_new0(SSIBus *, i);
2318 for (i = 0; pxa255_ssp[i].io_base; i ++) {
2319 DeviceState *dev;
2320 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa255_ssp[i].io_base,
2321 qdev_get_gpio_in(s->pic, pxa255_ssp[i].irqn));
2322 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2323 }
2324
2325 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2326 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2327
2328 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2329 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2330
2331 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2332 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2333 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2334 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2335
2336 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2337 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2338 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2339 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2340
2341 /* GPIO1 resets the processor */
2342 /* The handler can be overridden by board-specific code */
2343 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2344 return s;
2345 }
2346
2347 static void pxa2xx_ssp_class_init(ObjectClass *klass, void *data)
2348 {
2349 DeviceClass *dc = DEVICE_CLASS(klass);
2350
2351 dc->reset = pxa2xx_ssp_reset;
2352 dc->vmsd = &vmstate_pxa2xx_ssp;
2353 }
2354
2355 static const TypeInfo pxa2xx_ssp_info = {
2356 .name = TYPE_PXA2XX_SSP,
2357 .parent = TYPE_SYS_BUS_DEVICE,
2358 .instance_size = sizeof(PXA2xxSSPState),
2359 .instance_init = pxa2xx_ssp_init,
2360 .class_init = pxa2xx_ssp_class_init,
2361 };
2362
2363 static void pxa2xx_register_types(void)
2364 {
2365 type_register_static(&pxa2xx_i2c_slave_info);
2366 type_register_static(&pxa2xx_ssp_info);
2367 type_register_static(&pxa2xx_i2c_info);
2368 type_register_static(&pxa2xx_rtc_sysbus_info);
2369 type_register_static(&pxa2xx_fir_info);
2370 }
2371
2372 type_init(pxa2xx_register_types)
AR7 emulation for QEMU