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target/i386: Return 'indefinite integer value' for invalid SSE fp->int conversions
[qemu/ar7.git] / hw / arm / pxa2xx.c
blobcdafde2f7674b907269f461ef18ba8e7b9782a21
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
30 static struct {
31 hwaddr io_base;
32 int irqn;
33 } pxa255_serial[] = {
34 { 0x40100000, PXA2XX_PIC_FFUART },
35 { 0x40200000, PXA2XX_PIC_BTUART },
36 { 0x40700000, PXA2XX_PIC_STUART },
37 { 0x41600000, PXA25X_PIC_HWUART },
38 { 0, 0 }
39 }, pxa270_serial[] = {
40 { 0x40100000, PXA2XX_PIC_FFUART },
41 { 0x40200000, PXA2XX_PIC_BTUART },
42 { 0x40700000, PXA2XX_PIC_STUART },
43 { 0, 0 }
44 };
45
46 typedef struct PXASSPDef {
47 hwaddr io_base;
48 int irqn;
49 } PXASSPDef;
50
51 #if 0
52 static PXASSPDef pxa250_ssp[] = {
53 { 0x41000000, PXA2XX_PIC_SSP },
54 { 0, 0 }
55 };
56 #endif
57
58 static PXASSPDef pxa255_ssp[] = {
59 { 0x41000000, PXA2XX_PIC_SSP },
60 { 0x41400000, PXA25X_PIC_NSSP },
61 { 0, 0 }
62 };
63
64 #if 0
65 static PXASSPDef pxa26x_ssp[] = {
66 { 0x41000000, PXA2XX_PIC_SSP },
67 { 0x41400000, PXA25X_PIC_NSSP },
68 { 0x41500000, PXA26X_PIC_ASSP },
69 { 0, 0 }
70 };
71 #endif
72
73 static PXASSPDef pxa27x_ssp[] = {
74 { 0x41000000, PXA2XX_PIC_SSP },
75 { 0x41700000, PXA27X_PIC_SSP2 },
76 { 0x41900000, PXA2XX_PIC_SSP3 },
77 { 0, 0 }
78 };
79
80 #define PMCR 0x00 /* Power Manager Control register */
81 #define PSSR 0x04 /* Power Manager Sleep Status register */
82 #define PSPR 0x08 /* Power Manager Scratch-Pad register */
83 #define PWER 0x0c /* Power Manager Wake-Up Enable register */
84 #define PRER 0x10 /* Power Manager Rising-Edge Detect Enable register */
85 #define PFER 0x14 /* Power Manager Falling-Edge Detect Enable register */
86 #define PEDR 0x18 /* Power Manager Edge-Detect Status register */
87 #define PCFR 0x1c /* Power Manager General Configuration register */
88 #define PGSR0 0x20 /* Power Manager GPIO Sleep-State register 0 */
89 #define PGSR1 0x24 /* Power Manager GPIO Sleep-State register 1 */
90 #define PGSR2 0x28 /* Power Manager GPIO Sleep-State register 2 */
91 #define PGSR3 0x2c /* Power Manager GPIO Sleep-State register 3 */
92 #define RCSR 0x30 /* Reset Controller Status register */
93 #define PSLR 0x34 /* Power Manager Sleep Configuration register */
94 #define PTSR 0x38 /* Power Manager Standby Configuration register */
95 #define PVCR 0x40 /* Power Manager Voltage Change Control register */
96 #define PUCR 0x4c /* Power Manager USIM Card Control/Status register */
97 #define PKWR 0x50 /* Power Manager Keyboard Wake-Up Enable register */
98 #define PKSR 0x54 /* Power Manager Keyboard Level-Detect Status */
99 #define PCMD0 0x80 /* Power Manager I2C Command register File 0 */
100 #define PCMD31 0xfc /* Power Manager I2C Command register File 31 */
101
102 static uint64_t pxa2xx_pm_read(void *opaque, hwaddr addr,
103 unsigned size)
104 {
105 PXA2xxState *s = (PXA2xxState *) opaque;
106
107 switch (addr) {
108 case PMCR ... PCMD31:
109 if (addr & 3)
110 goto fail;
111
112 return s->pm_regs[addr >> 2];
113 default:
114 fail:
115 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
116 break;
117 }
118 return 0;
119 }
120
121 static void pxa2xx_pm_write(void *opaque, hwaddr addr,
122 uint64_t value, unsigned size)
123 {
124 PXA2xxState *s = (PXA2xxState *) opaque;
125
126 switch (addr) {
127 case PMCR:
128 /* Clear the write-one-to-clear bits... */
129 s->pm_regs[addr >> 2] &= ~(value & 0x2a);
130 /* ...and set the plain r/w bits */
131 s->pm_regs[addr >> 2] &= ~0x15;
132 s->pm_regs[addr >> 2] |= value & 0x15;
133 break;
134
135 case PSSR: /* Read-clean registers */
136 case RCSR:
137 case PKSR:
138 s->pm_regs[addr >> 2] &= ~value;
139 break;
140
141 default: /* Read-write registers */
142 if (!(addr & 3)) {
143 s->pm_regs[addr >> 2] = value;
144 break;
145 }
146
147 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
148 break;
149 }
150 }
151
152 static const MemoryRegionOps pxa2xx_pm_ops = {
153 .read = pxa2xx_pm_read,
154 .write = pxa2xx_pm_write,
155 .endianness = DEVICE_NATIVE_ENDIAN,
156 };
157
158 static const VMStateDescription vmstate_pxa2xx_pm = {
159 .name = "pxa2xx_pm",
160 .version_id = 0,
161 .minimum_version_id = 0,
162 .fields = (VMStateField[]) {
163 VMSTATE_UINT32_ARRAY(pm_regs, PXA2xxState, 0x40),
164 VMSTATE_END_OF_LIST()
165 }
166 };
167
168 #define CCCR 0x00 /* Core Clock Configuration register */
169 #define CKEN 0x04 /* Clock Enable register */
170 #define OSCC 0x08 /* Oscillator Configuration register */
171 #define CCSR 0x0c /* Core Clock Status register */
172
173 static uint64_t pxa2xx_cm_read(void *opaque, hwaddr addr,
174 unsigned size)
175 {
176 PXA2xxState *s = (PXA2xxState *) opaque;
177
178 switch (addr) {
179 case CCCR:
180 case CKEN:
181 case OSCC:
182 return s->cm_regs[addr >> 2];
183
184 case CCSR:
185 return s->cm_regs[CCCR >> 2] | (3 << 28);
186
187 default:
188 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
189 break;
190 }
191 return 0;
192 }
193
194 static void pxa2xx_cm_write(void *opaque, hwaddr addr,
195 uint64_t value, unsigned size)
196 {
197 PXA2xxState *s = (PXA2xxState *) opaque;
198
199 switch (addr) {
200 case CCCR:
201 case CKEN:
202 s->cm_regs[addr >> 2] = value;
203 break;
204
205 case OSCC:
206 s->cm_regs[addr >> 2] &= ~0x6c;
207 s->cm_regs[addr >> 2] |= value & 0x6e;
208 if ((value >> 1) & 1) /* OON */
209 s->cm_regs[addr >> 2] |= 1 << 0; /* Oscillator is now stable */
210 break;
211
212 default:
213 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
214 break;
215 }
216 }
217
218 static const MemoryRegionOps pxa2xx_cm_ops = {
219 .read = pxa2xx_cm_read,
220 .write = pxa2xx_cm_write,
221 .endianness = DEVICE_NATIVE_ENDIAN,
222 };
223
224 static const VMStateDescription vmstate_pxa2xx_cm = {
225 .name = "pxa2xx_cm",
226 .version_id = 0,
227 .minimum_version_id = 0,
228 .fields = (VMStateField[]) {
229 VMSTATE_UINT32_ARRAY(cm_regs, PXA2xxState, 4),
230 VMSTATE_UINT32(clkcfg, PXA2xxState),
231 VMSTATE_UINT32(pmnc, PXA2xxState),
232 VMSTATE_END_OF_LIST()
233 }
234 };
235
236 static uint64_t pxa2xx_clkcfg_read(CPUARMState *env, const ARMCPRegInfo *ri)
237 {
238 PXA2xxState *s = (PXA2xxState *)ri->opaque;
239 return s->clkcfg;
240 }
241
242 static void pxa2xx_clkcfg_write(CPUARMState *env, const ARMCPRegInfo *ri,
243 uint64_t value)
244 {
245 PXA2xxState *s = (PXA2xxState *)ri->opaque;
246 s->clkcfg = value & 0xf;
247 if (value & 2) {
248 printf("%s: CPU frequency change attempt\n", __func__);
249 }
250 }
251
252 static void pxa2xx_pwrmode_write(CPUARMState *env, const ARMCPRegInfo *ri,
253 uint64_t value)
254 {
255 PXA2xxState *s = (PXA2xxState *)ri->opaque;
256 static const char *pwrmode[8] = {
257 "Normal", "Idle", "Deep-idle", "Standby",
258 "Sleep", "reserved (!)", "reserved (!)", "Deep-sleep",
259 };
260
261 if (value & 8) {
262 printf("%s: CPU voltage change attempt\n", __func__);
263 }
264 switch (value & 7) {
265 case 0:
266 /* Do nothing */
267 break;
268
269 case 1:
270 /* Idle */
271 if (!(s->cm_regs[CCCR >> 2] & (1U << 31))) { /* CPDIS */
272 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
273 break;
274 }
275 /* Fall through. */
276
277 case 2:
278 /* Deep-Idle */
279 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
280 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
281 goto message;
282
283 case 3:
284 s->cpu->env.uncached_cpsr = ARM_CPU_MODE_SVC;
285 s->cpu->env.daif = PSTATE_A | PSTATE_F | PSTATE_I;
286 s->cpu->env.cp15.sctlr_ns = 0;
287 s->cpu->env.cp15.cpacr_el1 = 0;
288 s->cpu->env.cp15.ttbr0_el[1] = 0;
289 s->cpu->env.cp15.dacr_ns = 0;
290 s->pm_regs[PSSR >> 2] |= 0x8; /* Set STS */
291 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
292
293 /*
294 * The scratch-pad register is almost universally used
295 * for storing the return address on suspend. For the
296 * lack of a resuming bootloader, perform a jump
297 * directly to that address.
298 */
299 memset(s->cpu->env.regs, 0, 4 * 15);
300 s->cpu->env.regs[15] = s->pm_regs[PSPR >> 2];
301
302 #if 0
303 buffer = 0xe59ff000; /* ldr pc, [pc, #0] */
304 cpu_physical_memory_write(0, &buffer, 4);
305 buffer = s->pm_regs[PSPR >> 2];
306 cpu_physical_memory_write(8, &buffer, 4);
307 #endif
308
309 /* Suspend */
310 cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT);
311
312 goto message;
313
314 default:
315 message:
316 printf("%s: machine entered %s mode\n", __func__,
317 pwrmode[value & 7]);
318 }
319 }
320
321 static uint64_t pxa2xx_cppmnc_read(CPUARMState *env, const ARMCPRegInfo *ri)
322 {
323 PXA2xxState *s = (PXA2xxState *)ri->opaque;
324 return s->pmnc;
325 }
326
327 static void pxa2xx_cppmnc_write(CPUARMState *env, const ARMCPRegInfo *ri,
328 uint64_t value)
329 {
330 PXA2xxState *s = (PXA2xxState *)ri->opaque;
331 s->pmnc = value;
332 }
333
334 static uint64_t pxa2xx_cpccnt_read(CPUARMState *env, const ARMCPRegInfo *ri)
335 {
336 PXA2xxState *s = (PXA2xxState *)ri->opaque;
337 if (s->pmnc & 1) {
338 return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
339 } else {
340 return 0;
341 }
342 }
343
344 static const ARMCPRegInfo pxa_cp_reginfo[] = {
345 /* cp14 crm==1: perf registers */
346 { .name = "CPPMNC", .cp = 14, .crn = 0, .crm = 1, .opc1 = 0, .opc2 = 0,
347 .access = PL1_RW, .type = ARM_CP_IO,
348 .readfn = pxa2xx_cppmnc_read, .writefn = pxa2xx_cppmnc_write },
349 { .name = "CPCCNT", .cp = 14, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0,
350 .access = PL1_RW, .type = ARM_CP_IO,
351 .readfn = pxa2xx_cpccnt_read, .writefn = arm_cp_write_ignore },
352 { .name = "CPINTEN", .cp = 14, .crn = 4, .crm = 1, .opc1 = 0, .opc2 = 0,
353 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
354 { .name = "CPFLAG", .cp = 14, .crn = 5, .crm = 1, .opc1 = 0, .opc2 = 0,
355 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
356 { .name = "CPEVTSEL", .cp = 14, .crn = 8, .crm = 1, .opc1 = 0, .opc2 = 0,
357 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
358 /* cp14 crm==2: performance count registers */
359 { .name = "CPPMN0", .cp = 14, .crn = 0, .crm = 2, .opc1 = 0, .opc2 = 0,
360 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
361 { .name = "CPPMN1", .cp = 14, .crn = 1, .crm = 2, .opc1 = 0, .opc2 = 0,
362 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
363 { .name = "CPPMN2", .cp = 14, .crn = 2, .crm = 2, .opc1 = 0, .opc2 = 0,
364 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
365 { .name = "CPPMN3", .cp = 14, .crn = 2, .crm = 3, .opc1 = 0, .opc2 = 0,
366 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
367 /* cp14 crn==6: CLKCFG */
368 { .name = "CLKCFG", .cp = 14, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 0,
369 .access = PL1_RW, .type = ARM_CP_IO,
370 .readfn = pxa2xx_clkcfg_read, .writefn = pxa2xx_clkcfg_write },
371 /* cp14 crn==7: PWRMODE */
372 { .name = "PWRMODE", .cp = 14, .crn = 7, .crm = 0, .opc1 = 0, .opc2 = 0,
373 .access = PL1_RW, .type = ARM_CP_IO,
374 .readfn = arm_cp_read_zero, .writefn = pxa2xx_pwrmode_write },
375 REGINFO_SENTINEL
376 };
377
378 static void pxa2xx_setup_cp14(PXA2xxState *s)
379 {
380 define_arm_cp_regs_with_opaque(s->cpu, pxa_cp_reginfo, s);
381 }
382
383 #define MDCNFG 0x00 /* SDRAM Configuration register */
384 #define MDREFR 0x04 /* SDRAM Refresh Control register */
385 #define MSC0 0x08 /* Static Memory Control register 0 */
386 #define MSC1 0x0c /* Static Memory Control register 1 */
387 #define MSC2 0x10 /* Static Memory Control register 2 */
388 #define MECR 0x14 /* Expansion Memory Bus Config register */
389 #define SXCNFG 0x1c /* Synchronous Static Memory Config register */
390 #define MCMEM0 0x28 /* PC Card Memory Socket 0 Timing register */
391 #define MCMEM1 0x2c /* PC Card Memory Socket 1 Timing register */
392 #define MCATT0 0x30 /* PC Card Attribute Socket 0 register */
393 #define MCATT1 0x34 /* PC Card Attribute Socket 1 register */
394 #define MCIO0 0x38 /* PC Card I/O Socket 0 Timing register */
395 #define MCIO1 0x3c /* PC Card I/O Socket 1 Timing register */
396 #define MDMRS 0x40 /* SDRAM Mode Register Set Config register */
397 #define BOOT_DEF 0x44 /* Boot-time Default Configuration register */
398 #define ARB_CNTL 0x48 /* Arbiter Control register */
399 #define BSCNTR0 0x4c /* Memory Buffer Strength Control register 0 */
400 #define BSCNTR1 0x50 /* Memory Buffer Strength Control register 1 */
401 #define LCDBSCNTR 0x54 /* LCD Buffer Strength Control register */
402 #define MDMRSLP 0x58 /* Low Power SDRAM Mode Set Config register */
403 #define BSCNTR2 0x5c /* Memory Buffer Strength Control register 2 */
404 #define BSCNTR3 0x60 /* Memory Buffer Strength Control register 3 */
405 #define SA1110 0x64 /* SA-1110 Memory Compatibility register */
406
407 static uint64_t pxa2xx_mm_read(void *opaque, hwaddr addr,
408 unsigned size)
409 {
410 PXA2xxState *s = (PXA2xxState *) opaque;
411
412 switch (addr) {
413 case MDCNFG ... SA1110:
414 if ((addr & 3) == 0)
415 return s->mm_regs[addr >> 2];
416 /* fall through */
417 default:
418 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
419 break;
420 }
421 return 0;
422 }
423
424 static void pxa2xx_mm_write(void *opaque, hwaddr addr,
425 uint64_t value, unsigned size)
426 {
427 PXA2xxState *s = (PXA2xxState *) opaque;
428
429 switch (addr) {
430 case MDCNFG ... SA1110:
431 if ((addr & 3) == 0) {
432 s->mm_regs[addr >> 2] = value;
433 break;
434 }
435
436 default:
437 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
438 break;
439 }
440 }
441
442 static const MemoryRegionOps pxa2xx_mm_ops = {
443 .read = pxa2xx_mm_read,
444 .write = pxa2xx_mm_write,
445 .endianness = DEVICE_NATIVE_ENDIAN,
446 };
447
448 static const VMStateDescription vmstate_pxa2xx_mm = {
449 .name = "pxa2xx_mm",
450 .version_id = 0,
451 .minimum_version_id = 0,
452 .fields = (VMStateField[]) {
453 VMSTATE_UINT32_ARRAY(mm_regs, PXA2xxState, 0x1a),
454 VMSTATE_END_OF_LIST()
455 }
456 };
457
458 #define TYPE_PXA2XX_SSP "pxa2xx-ssp"
459 #define PXA2XX_SSP(obj) \
460 OBJECT_CHECK(PXA2xxSSPState, (obj), TYPE_PXA2XX_SSP)
461
462 /* Synchronous Serial Ports */
463 typedef struct {
464 /*< private >*/
465 SysBusDevice parent_obj;
466 /*< public >*/
467
468 MemoryRegion iomem;
469 qemu_irq irq;
470 uint32_t enable;
471 SSIBus *bus;
472
473 uint32_t sscr[2];
474 uint32_t sspsp;
475 uint32_t ssto;
476 uint32_t ssitr;
477 uint32_t sssr;
478 uint8_t sstsa;
479 uint8_t ssrsa;
480 uint8_t ssacd;
481
482 uint32_t rx_fifo[16];
483 uint32_t rx_level;
484 uint32_t rx_start;
485 } PXA2xxSSPState;
486
487 static bool pxa2xx_ssp_vmstate_validate(void *opaque, int version_id)
488 {
489 PXA2xxSSPState *s = opaque;
490
491 return s->rx_start < sizeof(s->rx_fifo);
492 }
493
494 static const VMStateDescription vmstate_pxa2xx_ssp = {
495 .name = "pxa2xx-ssp",
496 .version_id = 1,
497 .minimum_version_id = 1,
498 .fields = (VMStateField[]) {
499 VMSTATE_UINT32(enable, PXA2xxSSPState),
500 VMSTATE_UINT32_ARRAY(sscr, PXA2xxSSPState, 2),
501 VMSTATE_UINT32(sspsp, PXA2xxSSPState),
502 VMSTATE_UINT32(ssto, PXA2xxSSPState),
503 VMSTATE_UINT32(ssitr, PXA2xxSSPState),
504 VMSTATE_UINT32(sssr, PXA2xxSSPState),
505 VMSTATE_UINT8(sstsa, PXA2xxSSPState),
506 VMSTATE_UINT8(ssrsa, PXA2xxSSPState),
507 VMSTATE_UINT8(ssacd, PXA2xxSSPState),
508 VMSTATE_UINT32(rx_level, PXA2xxSSPState),
509 VMSTATE_UINT32(rx_start, PXA2xxSSPState),
510 VMSTATE_VALIDATE("fifo is 16 bytes", pxa2xx_ssp_vmstate_validate),
511 VMSTATE_UINT32_ARRAY(rx_fifo, PXA2xxSSPState, 16),
512 VMSTATE_END_OF_LIST()
513 }
514 };
515
516 #define SSCR0 0x00 /* SSP Control register 0 */
517 #define SSCR1 0x04 /* SSP Control register 1 */
518 #define SSSR 0x08 /* SSP Status register */
519 #define SSITR 0x0c /* SSP Interrupt Test register */
520 #define SSDR 0x10 /* SSP Data register */
521 #define SSTO 0x28 /* SSP Time-Out register */
522 #define SSPSP 0x2c /* SSP Programmable Serial Protocol register */
523 #define SSTSA 0x30 /* SSP TX Time Slot Active register */
524 #define SSRSA 0x34 /* SSP RX Time Slot Active register */
525 #define SSTSS 0x38 /* SSP Time Slot Status register */
526 #define SSACD 0x3c /* SSP Audio Clock Divider register */
527
528 /* Bitfields for above registers */
529 #define SSCR0_SPI(x) (((x) & 0x30) == 0x00)
530 #define SSCR0_SSP(x) (((x) & 0x30) == 0x10)
531 #define SSCR0_UWIRE(x) (((x) & 0x30) == 0x20)
532 #define SSCR0_PSP(x) (((x) & 0x30) == 0x30)
533 #define SSCR0_SSE (1 << 7)
534 #define SSCR0_RIM (1 << 22)
535 #define SSCR0_TIM (1 << 23)
536 #define SSCR0_MOD (1U << 31)
537 #define SSCR0_DSS(x) (((((x) >> 16) & 0x10) | ((x) & 0xf)) + 1)
538 #define SSCR1_RIE (1 << 0)
539 #define SSCR1_TIE (1 << 1)
540 #define SSCR1_LBM (1 << 2)
541 #define SSCR1_MWDS (1 << 5)
542 #define SSCR1_TFT(x) ((((x) >> 6) & 0xf) + 1)
543 #define SSCR1_RFT(x) ((((x) >> 10) & 0xf) + 1)
544 #define SSCR1_EFWR (1 << 14)
545 #define SSCR1_PINTE (1 << 18)
546 #define SSCR1_TINTE (1 << 19)
547 #define SSCR1_RSRE (1 << 20)
548 #define SSCR1_TSRE (1 << 21)
549 #define SSCR1_EBCEI (1 << 29)
550 #define SSITR_INT (7 << 5)
551 #define SSSR_TNF (1 << 2)
552 #define SSSR_RNE (1 << 3)
553 #define SSSR_TFS (1 << 5)
554 #define SSSR_RFS (1 << 6)
555 #define SSSR_ROR (1 << 7)
556 #define SSSR_PINT (1 << 18)
557 #define SSSR_TINT (1 << 19)
558 #define SSSR_EOC (1 << 20)
559 #define SSSR_TUR (1 << 21)
560 #define SSSR_BCE (1 << 23)
561 #define SSSR_RW 0x00bc0080
562
563 static void pxa2xx_ssp_int_update(PXA2xxSSPState *s)
564 {
565 int level = 0;
566
567 level |= s->ssitr & SSITR_INT;
568 level |= (s->sssr & SSSR_BCE) && (s->sscr[1] & SSCR1_EBCEI);
569 level |= (s->sssr & SSSR_TUR) && !(s->sscr[0] & SSCR0_TIM);
570 level |= (s->sssr & SSSR_EOC) && (s->sssr & (SSSR_TINT | SSSR_PINT));
571 level |= (s->sssr & SSSR_TINT) && (s->sscr[1] & SSCR1_TINTE);
572 level |= (s->sssr & SSSR_PINT) && (s->sscr[1] & SSCR1_PINTE);
573 level |= (s->sssr & SSSR_ROR) && !(s->sscr[0] & SSCR0_RIM);
574 level |= (s->sssr & SSSR_RFS) && (s->sscr[1] & SSCR1_RIE);
575 level |= (s->sssr & SSSR_TFS) && (s->sscr[1] & SSCR1_TIE);
576 qemu_set_irq(s->irq, !!level);
577 }
578
579 static void pxa2xx_ssp_fifo_update(PXA2xxSSPState *s)
580 {
581 s->sssr &= ~(0xf << 12); /* Clear RFL */
582 s->sssr &= ~(0xf << 8); /* Clear TFL */
583 s->sssr &= ~SSSR_TFS;
584 s->sssr &= ~SSSR_TNF;
585 if (s->enable) {
586 s->sssr |= ((s->rx_level - 1) & 0xf) << 12;
587 if (s->rx_level >= SSCR1_RFT(s->sscr[1]))
588 s->sssr |= SSSR_RFS;
589 else
590 s->sssr &= ~SSSR_RFS;
591 if (s->rx_level)
592 s->sssr |= SSSR_RNE;
593 else
594 s->sssr &= ~SSSR_RNE;
595 /* TX FIFO is never filled, so it is always in underrun
596 condition if SSP is enabled */
597 s->sssr |= SSSR_TFS;
598 s->sssr |= SSSR_TNF;
599 }
600
601 pxa2xx_ssp_int_update(s);
602 }
603
604 static uint64_t pxa2xx_ssp_read(void *opaque, hwaddr addr,
605 unsigned size)
606 {
607 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
608 uint32_t retval;
609
610 switch (addr) {
611 case SSCR0:
612 return s->sscr[0];
613 case SSCR1:
614 return s->sscr[1];
615 case SSPSP:
616 return s->sspsp;
617 case SSTO:
618 return s->ssto;
619 case SSITR:
620 return s->ssitr;
621 case SSSR:
622 return s->sssr | s->ssitr;
623 case SSDR:
624 if (!s->enable)
625 return 0xffffffff;
626 if (s->rx_level < 1) {
627 printf("%s: SSP Rx Underrun\n", __func__);
628 return 0xffffffff;
629 }
630 s->rx_level --;
631 retval = s->rx_fifo[s->rx_start ++];
632 s->rx_start &= 0xf;
633 pxa2xx_ssp_fifo_update(s);
634 return retval;
635 case SSTSA:
636 return s->sstsa;
637 case SSRSA:
638 return s->ssrsa;
639 case SSTSS:
640 return 0;
641 case SSACD:
642 return s->ssacd;
643 default:
644 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
645 break;
646 }
647 return 0;
648 }
649
650 static void pxa2xx_ssp_write(void *opaque, hwaddr addr,
651 uint64_t value64, unsigned size)
652 {
653 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
654 uint32_t value = value64;
655
656 switch (addr) {
657 case SSCR0:
658 s->sscr[0] = value & 0xc7ffffff;
659 s->enable = value & SSCR0_SSE;
660 if (value & SSCR0_MOD)
661 printf("%s: Attempt to use network mode\n", __func__);
662 if (s->enable && SSCR0_DSS(value) < 4)
663 printf("%s: Wrong data size: %i bits\n", __func__,
664 SSCR0_DSS(value));
665 if (!(value & SSCR0_SSE)) {
666 s->sssr = 0;
667 s->ssitr = 0;
668 s->rx_level = 0;
669 }
670 pxa2xx_ssp_fifo_update(s);
671 break;
672
673 case SSCR1:
674 s->sscr[1] = value;
675 if (value & (SSCR1_LBM | SSCR1_EFWR))
676 printf("%s: Attempt to use SSP test mode\n", __func__);
677 pxa2xx_ssp_fifo_update(s);
678 break;
679
680 case SSPSP:
681 s->sspsp = value;
682 break;
683
684 case SSTO:
685 s->ssto = value;
686 break;
687
688 case SSITR:
689 s->ssitr = value & SSITR_INT;
690 pxa2xx_ssp_int_update(s);
691 break;
692
693 case SSSR:
694 s->sssr &= ~(value & SSSR_RW);
695 pxa2xx_ssp_int_update(s);
696 break;
697
698 case SSDR:
699 if (SSCR0_UWIRE(s->sscr[0])) {
700 if (s->sscr[1] & SSCR1_MWDS)
701 value &= 0xffff;
702 else
703 value &= 0xff;
704 } else
705 /* Note how 32bits overflow does no harm here */
706 value &= (1 << SSCR0_DSS(s->sscr[0])) - 1;
707
708 /* Data goes from here to the Tx FIFO and is shifted out from
709 * there directly to the slave, no need to buffer it.
710 */
711 if (s->enable) {
712 uint32_t readval;
713 readval = ssi_transfer(s->bus, value);
714 if (s->rx_level < 0x10) {
715 s->rx_fifo[(s->rx_start + s->rx_level ++) & 0xf] = readval;
716 } else {
717 s->sssr |= SSSR_ROR;
718 }
719 }
720 pxa2xx_ssp_fifo_update(s);
721 break;
722
723 case SSTSA:
724 s->sstsa = value;
725 break;
726
727 case SSRSA:
728 s->ssrsa = value;
729 break;
730
731 case SSACD:
732 s->ssacd = value;
733 break;
734
735 default:
736 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
737 break;
738 }
739 }
740
741 static const MemoryRegionOps pxa2xx_ssp_ops = {
742 .read = pxa2xx_ssp_read,
743 .write = pxa2xx_ssp_write,
744 .endianness = DEVICE_NATIVE_ENDIAN,
745 };
746
747 static void pxa2xx_ssp_reset(DeviceState *d)
748 {
749 PXA2xxSSPState *s = PXA2XX_SSP(d);
750
751 s->enable = 0;
752 s->sscr[0] = s->sscr[1] = 0;
753 s->sspsp = 0;
754 s->ssto = 0;
755 s->ssitr = 0;
756 s->sssr = 0;
757 s->sstsa = 0;
758 s->ssrsa = 0;
759 s->ssacd = 0;
760 s->rx_start = s->rx_level = 0;
761 }
762
763 static void pxa2xx_ssp_init(Object *obj)
764 {
765 DeviceState *dev = DEVICE(obj);
766 PXA2xxSSPState *s = PXA2XX_SSP(obj);
767 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
768 sysbus_init_irq(sbd, &s->irq);
769
770 memory_region_init_io(&s->iomem, obj, &pxa2xx_ssp_ops, s,
771 "pxa2xx-ssp", 0x1000);
772 sysbus_init_mmio(sbd, &s->iomem);
773
774 s->bus = ssi_create_bus(dev, "ssi");
775 }
776
777 /* Real-Time Clock */
778 #define RCNR 0x00 /* RTC Counter register */
779 #define RTAR 0x04 /* RTC Alarm register */
780 #define RTSR 0x08 /* RTC Status register */
781 #define RTTR 0x0c /* RTC Timer Trim register */
782 #define RDCR 0x10 /* RTC Day Counter register */
783 #define RYCR 0x14 /* RTC Year Counter register */
784 #define RDAR1 0x18 /* RTC Wristwatch Day Alarm register 1 */
785 #define RYAR1 0x1c /* RTC Wristwatch Year Alarm register 1 */
786 #define RDAR2 0x20 /* RTC Wristwatch Day Alarm register 2 */
787 #define RYAR2 0x24 /* RTC Wristwatch Year Alarm register 2 */
788 #define SWCR 0x28 /* RTC Stopwatch Counter register */
789 #define SWAR1 0x2c /* RTC Stopwatch Alarm register 1 */
790 #define SWAR2 0x30 /* RTC Stopwatch Alarm register 2 */
791 #define RTCPICR 0x34 /* RTC Periodic Interrupt Counter register */
792 #define PIAR 0x38 /* RTC Periodic Interrupt Alarm register */
793
794 #define TYPE_PXA2XX_RTC "pxa2xx_rtc"
795 #define PXA2XX_RTC(obj) \
796 OBJECT_CHECK(PXA2xxRTCState, (obj), TYPE_PXA2XX_RTC)
797
798 typedef struct {
799 /*< private >*/
800 SysBusDevice parent_obj;
801 /*< public >*/
802
803 MemoryRegion iomem;
804 uint32_t rttr;
805 uint32_t rtsr;
806 uint32_t rtar;
807 uint32_t rdar1;
808 uint32_t rdar2;
809 uint32_t ryar1;
810 uint32_t ryar2;
811 uint32_t swar1;
812 uint32_t swar2;
813 uint32_t piar;
814 uint32_t last_rcnr;
815 uint32_t last_rdcr;
816 uint32_t last_rycr;
817 uint32_t last_swcr;
818 uint32_t last_rtcpicr;
819 int64_t last_hz;
820 int64_t last_sw;
821 int64_t last_pi;
822 QEMUTimer *rtc_hz;
823 QEMUTimer *rtc_rdal1;
824 QEMUTimer *rtc_rdal2;
825 QEMUTimer *rtc_swal1;
826 QEMUTimer *rtc_swal2;
827 QEMUTimer *rtc_pi;
828 qemu_irq rtc_irq;
829 } PXA2xxRTCState;
830
831 static inline void pxa2xx_rtc_int_update(PXA2xxRTCState *s)
832 {
833 qemu_set_irq(s->rtc_irq, !!(s->rtsr & 0x2553));
834 }
835
836 static void pxa2xx_rtc_hzupdate(PXA2xxRTCState *s)
837 {
838 int64_t rt = qemu_clock_get_ms(rtc_clock);
839 s->last_rcnr += ((rt - s->last_hz) << 15) /
840 (1000 * ((s->rttr & 0xffff) + 1));
841 s->last_rdcr += ((rt - s->last_hz) << 15) /
842 (1000 * ((s->rttr & 0xffff) + 1));
843 s->last_hz = rt;
844 }
845
846 static void pxa2xx_rtc_swupdate(PXA2xxRTCState *s)
847 {
848 int64_t rt = qemu_clock_get_ms(rtc_clock);
849 if (s->rtsr & (1 << 12))
850 s->last_swcr += (rt - s->last_sw) / 10;
851 s->last_sw = rt;
852 }
853
854 static void pxa2xx_rtc_piupdate(PXA2xxRTCState *s)
855 {
856 int64_t rt = qemu_clock_get_ms(rtc_clock);
857 if (s->rtsr & (1 << 15))
858 s->last_swcr += rt - s->last_pi;
859 s->last_pi = rt;
860 }
861
862 static inline void pxa2xx_rtc_alarm_update(PXA2xxRTCState *s,
863 uint32_t rtsr)
864 {
865 if ((rtsr & (1 << 2)) && !(rtsr & (1 << 0)))
866 timer_mod(s->rtc_hz, s->last_hz +
867 (((s->rtar - s->last_rcnr) * 1000 *
868 ((s->rttr & 0xffff) + 1)) >> 15));
869 else
870 timer_del(s->rtc_hz);
871
872 if ((rtsr & (1 << 5)) && !(rtsr & (1 << 4)))
873 timer_mod(s->rtc_rdal1, s->last_hz +
874 (((s->rdar1 - s->last_rdcr) * 1000 *
875 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
876 else
877 timer_del(s->rtc_rdal1);
878
879 if ((rtsr & (1 << 7)) && !(rtsr & (1 << 6)))
880 timer_mod(s->rtc_rdal2, s->last_hz +
881 (((s->rdar2 - s->last_rdcr) * 1000 *
882 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
883 else
884 timer_del(s->rtc_rdal2);
885
886 if ((rtsr & 0x1200) == 0x1200 && !(rtsr & (1 << 8)))
887 timer_mod(s->rtc_swal1, s->last_sw +
888 (s->swar1 - s->last_swcr) * 10); /* TODO: fixup */
889 else
890 timer_del(s->rtc_swal1);
891
892 if ((rtsr & 0x1800) == 0x1800 && !(rtsr & (1 << 10)))
893 timer_mod(s->rtc_swal2, s->last_sw +
894 (s->swar2 - s->last_swcr) * 10); /* TODO: fixup */
895 else
896 timer_del(s->rtc_swal2);
897
898 if ((rtsr & 0xc000) == 0xc000 && !(rtsr & (1 << 13)))
899 timer_mod(s->rtc_pi, s->last_pi +
900 (s->piar & 0xffff) - s->last_rtcpicr);
901 else
902 timer_del(s->rtc_pi);
903 }
904
905 static inline void pxa2xx_rtc_hz_tick(void *opaque)
906 {
907 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
908 s->rtsr |= (1 << 0);
909 pxa2xx_rtc_alarm_update(s, s->rtsr);
910 pxa2xx_rtc_int_update(s);
911 }
912
913 static inline void pxa2xx_rtc_rdal1_tick(void *opaque)
914 {
915 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
916 s->rtsr |= (1 << 4);
917 pxa2xx_rtc_alarm_update(s, s->rtsr);
918 pxa2xx_rtc_int_update(s);
919 }
920
921 static inline void pxa2xx_rtc_rdal2_tick(void *opaque)
922 {
923 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
924 s->rtsr |= (1 << 6);
925 pxa2xx_rtc_alarm_update(s, s->rtsr);
926 pxa2xx_rtc_int_update(s);
927 }
928
929 static inline void pxa2xx_rtc_swal1_tick(void *opaque)
930 {
931 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
932 s->rtsr |= (1 << 8);
933 pxa2xx_rtc_alarm_update(s, s->rtsr);
934 pxa2xx_rtc_int_update(s);
935 }
936
937 static inline void pxa2xx_rtc_swal2_tick(void *opaque)
938 {
939 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
940 s->rtsr |= (1 << 10);
941 pxa2xx_rtc_alarm_update(s, s->rtsr);
942 pxa2xx_rtc_int_update(s);
943 }
944
945 static inline void pxa2xx_rtc_pi_tick(void *opaque)
946 {
947 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
948 s->rtsr |= (1 << 13);
949 pxa2xx_rtc_piupdate(s);
950 s->last_rtcpicr = 0;
951 pxa2xx_rtc_alarm_update(s, s->rtsr);
952 pxa2xx_rtc_int_update(s);
953 }
954
955 static uint64_t pxa2xx_rtc_read(void *opaque, hwaddr addr,
956 unsigned size)
957 {
958 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
959
960 switch (addr) {
961 case RTTR:
962 return s->rttr;
963 case RTSR:
964 return s->rtsr;
965 case RTAR:
966 return s->rtar;
967 case RDAR1:
968 return s->rdar1;
969 case RDAR2:
970 return s->rdar2;
971 case RYAR1:
972 return s->ryar1;
973 case RYAR2:
974 return s->ryar2;
975 case SWAR1:
976 return s->swar1;
977 case SWAR2:
978 return s->swar2;
979 case PIAR:
980 return s->piar;
981 case RCNR:
982 return s->last_rcnr +
983 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) /
984 (1000 * ((s->rttr & 0xffff) + 1));
985 case RDCR:
986 return s->last_rdcr +
987 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) /
988 (1000 * ((s->rttr & 0xffff) + 1));
989 case RYCR:
990 return s->last_rycr;
991 case SWCR:
992 if (s->rtsr & (1 << 12))
993 return s->last_swcr +
994 (qemu_clock_get_ms(rtc_clock) - s->last_sw) / 10;
995 else
996 return s->last_swcr;
997 default:
998 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
999 break;
1000 }
1001 return 0;
1002 }
1003
1004 static void pxa2xx_rtc_write(void *opaque, hwaddr addr,
1005 uint64_t value64, unsigned size)
1006 {
1007 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1008 uint32_t value = value64;
1009
1010 switch (addr) {
1011 case RTTR:
1012 if (!(s->rttr & (1U << 31))) {
1013 pxa2xx_rtc_hzupdate(s);
1014 s->rttr = value;
1015 pxa2xx_rtc_alarm_update(s, s->rtsr);
1016 }
1017 break;
1018
1019 case RTSR:
1020 if ((s->rtsr ^ value) & (1 << 15))
1021 pxa2xx_rtc_piupdate(s);
1022
1023 if ((s->rtsr ^ value) & (1 << 12))
1024 pxa2xx_rtc_swupdate(s);
1025
1026 if (((s->rtsr ^ value) & 0x4aac) | (value & ~0xdaac))
1027 pxa2xx_rtc_alarm_update(s, value);
1028
1029 s->rtsr = (value & 0xdaac) | (s->rtsr & ~(value & ~0xdaac));
1030 pxa2xx_rtc_int_update(s);
1031 break;
1032
1033 case RTAR:
1034 s->rtar = value;
1035 pxa2xx_rtc_alarm_update(s, s->rtsr);
1036 break;
1037
1038 case RDAR1:
1039 s->rdar1 = value;
1040 pxa2xx_rtc_alarm_update(s, s->rtsr);
1041 break;
1042
1043 case RDAR2:
1044 s->rdar2 = value;
1045 pxa2xx_rtc_alarm_update(s, s->rtsr);
1046 break;
1047
1048 case RYAR1:
1049 s->ryar1 = value;
1050 pxa2xx_rtc_alarm_update(s, s->rtsr);
1051 break;
1052
1053 case RYAR2:
1054 s->ryar2 = value;
1055 pxa2xx_rtc_alarm_update(s, s->rtsr);
1056 break;
1057
1058 case SWAR1:
1059 pxa2xx_rtc_swupdate(s);
1060 s->swar1 = value;
1061 s->last_swcr = 0;
1062 pxa2xx_rtc_alarm_update(s, s->rtsr);
1063 break;
1064
1065 case SWAR2:
1066 s->swar2 = value;
1067 pxa2xx_rtc_alarm_update(s, s->rtsr);
1068 break;
1069
1070 case PIAR:
1071 s->piar = value;
1072 pxa2xx_rtc_alarm_update(s, s->rtsr);
1073 break;
1074
1075 case RCNR:
1076 pxa2xx_rtc_hzupdate(s);
1077 s->last_rcnr = value;
1078 pxa2xx_rtc_alarm_update(s, s->rtsr);
1079 break;
1080
1081 case RDCR:
1082 pxa2xx_rtc_hzupdate(s);
1083 s->last_rdcr = value;
1084 pxa2xx_rtc_alarm_update(s, s->rtsr);
1085 break;
1086
1087 case RYCR:
1088 s->last_rycr = value;
1089 break;
1090
1091 case SWCR:
1092 pxa2xx_rtc_swupdate(s);
1093 s->last_swcr = value;
1094 pxa2xx_rtc_alarm_update(s, s->rtsr);
1095 break;
1096
1097 case RTCPICR:
1098 pxa2xx_rtc_piupdate(s);
1099 s->last_rtcpicr = value & 0xffff;
1100 pxa2xx_rtc_alarm_update(s, s->rtsr);
1101 break;
1102
1103 default:
1104 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
1105 }
1106 }
1107
1108 static const MemoryRegionOps pxa2xx_rtc_ops = {
1109 .read = pxa2xx_rtc_read,
1110 .write = pxa2xx_rtc_write,
1111 .endianness = DEVICE_NATIVE_ENDIAN,
1112 };
1113
1114 static void pxa2xx_rtc_init(Object *obj)
1115 {
1116 PXA2xxRTCState *s = PXA2XX_RTC(obj);
1117 SysBusDevice *dev = SYS_BUS_DEVICE(obj);
1118 struct tm tm;
1119 int wom;
1120
1121 s->rttr = 0x7fff;
1122 s->rtsr = 0;
1123
1124 qemu_get_timedate(&tm, 0);
1125 wom = ((tm.tm_mday - 1) / 7) + 1;
1126
1127 s->last_rcnr = (uint32_t) mktimegm(&tm);
1128 s->last_rdcr = (wom << 20) | ((tm.tm_wday + 1) << 17) |
1129 (tm.tm_hour << 12) | (tm.tm_min << 6) | tm.tm_sec;
1130 s->last_rycr = ((tm.tm_year + 1900) << 9) |
1131 ((tm.tm_mon + 1) << 5) | tm.tm_mday;
1132 s->last_swcr = (tm.tm_hour << 19) |
1133 (tm.tm_min << 13) | (tm.tm_sec << 7);
1134 s->last_rtcpicr = 0;
1135 s->last_hz = s->last_sw = s->last_pi = qemu_clock_get_ms(rtc_clock);
1136
1137 s->rtc_hz = timer_new_ms(rtc_clock, pxa2xx_rtc_hz_tick, s);
1138 s->rtc_rdal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal1_tick, s);
1139 s->rtc_rdal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal2_tick, s);
1140 s->rtc_swal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal1_tick, s);
1141 s->rtc_swal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal2_tick, s);
1142 s->rtc_pi = timer_new_ms(rtc_clock, pxa2xx_rtc_pi_tick, s);
1143
1144 sysbus_init_irq(dev, &s->rtc_irq);
1145
1146 memory_region_init_io(&s->iomem, obj, &pxa2xx_rtc_ops, s,
1147 "pxa2xx-rtc", 0x10000);
1148 sysbus_init_mmio(dev, &s->iomem);
1149 }
1150
1151 static int pxa2xx_rtc_pre_save(void *opaque)
1152 {
1153 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1154
1155 pxa2xx_rtc_hzupdate(s);
1156 pxa2xx_rtc_piupdate(s);
1157 pxa2xx_rtc_swupdate(s);
1158
1159 return 0;
1160 }
1161
1162 static int pxa2xx_rtc_post_load(void *opaque, int version_id)
1163 {
1164 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1165
1166 pxa2xx_rtc_alarm_update(s, s->rtsr);
1167
1168 return 0;
1169 }
1170
1171 static const VMStateDescription vmstate_pxa2xx_rtc_regs = {
1172 .name = "pxa2xx_rtc",
1173 .version_id = 0,
1174 .minimum_version_id = 0,
1175 .pre_save = pxa2xx_rtc_pre_save,
1176 .post_load = pxa2xx_rtc_post_load,
1177 .fields = (VMStateField[]) {
1178 VMSTATE_UINT32(rttr, PXA2xxRTCState),
1179 VMSTATE_UINT32(rtsr, PXA2xxRTCState),
1180 VMSTATE_UINT32(rtar, PXA2xxRTCState),
1181 VMSTATE_UINT32(rdar1, PXA2xxRTCState),
1182 VMSTATE_UINT32(rdar2, PXA2xxRTCState),
1183 VMSTATE_UINT32(ryar1, PXA2xxRTCState),
1184 VMSTATE_UINT32(ryar2, PXA2xxRTCState),
1185 VMSTATE_UINT32(swar1, PXA2xxRTCState),
1186 VMSTATE_UINT32(swar2, PXA2xxRTCState),
1187 VMSTATE_UINT32(piar, PXA2xxRTCState),
1188 VMSTATE_UINT32(last_rcnr, PXA2xxRTCState),
1189 VMSTATE_UINT32(last_rdcr, PXA2xxRTCState),
1190 VMSTATE_UINT32(last_rycr, PXA2xxRTCState),
1191 VMSTATE_UINT32(last_swcr, PXA2xxRTCState),
1192 VMSTATE_UINT32(last_rtcpicr, PXA2xxRTCState),
1193 VMSTATE_INT64(last_hz, PXA2xxRTCState),
1194 VMSTATE_INT64(last_sw, PXA2xxRTCState),
1195 VMSTATE_INT64(last_pi, PXA2xxRTCState),
1196 VMSTATE_END_OF_LIST(),
1197 },
1198 };
1199
1200 static void pxa2xx_rtc_sysbus_class_init(ObjectClass *klass, void *data)
1201 {
1202 DeviceClass *dc = DEVICE_CLASS(klass);
1203
1204 dc->desc = "PXA2xx RTC Controller";
1205 dc->vmsd = &vmstate_pxa2xx_rtc_regs;
1206 }
1207
1208 static const TypeInfo pxa2xx_rtc_sysbus_info = {
1209 .name = TYPE_PXA2XX_RTC,
1210 .parent = TYPE_SYS_BUS_DEVICE,
1211 .instance_size = sizeof(PXA2xxRTCState),
1212 .instance_init = pxa2xx_rtc_init,
1213 .class_init = pxa2xx_rtc_sysbus_class_init,
1214 };
1215
1216 /* I2C Interface */
1217
1218 #define TYPE_PXA2XX_I2C_SLAVE "pxa2xx-i2c-slave"
1219 #define PXA2XX_I2C_SLAVE(obj) \
1220 OBJECT_CHECK(PXA2xxI2CSlaveState, (obj), TYPE_PXA2XX_I2C_SLAVE)
1221
1222 typedef struct PXA2xxI2CSlaveState {
1223 I2CSlave parent_obj;
1224
1225 PXA2xxI2CState *host;
1226 } PXA2xxI2CSlaveState;
1227
1228 #define TYPE_PXA2XX_I2C "pxa2xx_i2c"
1229 #define PXA2XX_I2C(obj) \
1230 OBJECT_CHECK(PXA2xxI2CState, (obj), TYPE_PXA2XX_I2C)
1231
1232 struct PXA2xxI2CState {
1233 /*< private >*/
1234 SysBusDevice parent_obj;
1235 /*< public >*/
1236
1237 MemoryRegion iomem;
1238 PXA2xxI2CSlaveState *slave;
1239 I2CBus *bus;
1240 qemu_irq irq;
1241 uint32_t offset;
1242 uint32_t region_size;
1243
1244 uint16_t control;
1245 uint16_t status;
1246 uint8_t ibmr;
1247 uint8_t data;
1248 };
1249
1250 #define IBMR 0x80 /* I2C Bus Monitor register */
1251 #define IDBR 0x88 /* I2C Data Buffer register */
1252 #define ICR 0x90 /* I2C Control register */
1253 #define ISR 0x98 /* I2C Status register */
1254 #define ISAR 0xa0 /* I2C Slave Address register */
1255
1256 static void pxa2xx_i2c_update(PXA2xxI2CState *s)
1257 {
1258 uint16_t level = 0;
1259 level |= s->status & s->control & (1 << 10); /* BED */
1260 level |= (s->status & (1 << 7)) && (s->control & (1 << 9)); /* IRF */
1261 level |= (s->status & (1 << 6)) && (s->control & (1 << 8)); /* ITE */
1262 level |= s->status & (1 << 9); /* SAD */
1263 qemu_set_irq(s->irq, !!level);
1264 }
1265
1266 /* These are only stubs now. */
1267 static int pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event)
1268 {
1269 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1270 PXA2xxI2CState *s = slave->host;
1271
1272 switch (event) {
1273 case I2C_START_SEND:
1274 s->status |= (1 << 9); /* set SAD */
1275 s->status &= ~(1 << 0); /* clear RWM */
1276 break;
1277 case I2C_START_RECV:
1278 s->status |= (1 << 9); /* set SAD */
1279 s->status |= 1 << 0; /* set RWM */
1280 break;
1281 case I2C_FINISH:
1282 s->status |= (1 << 4); /* set SSD */
1283 break;
1284 case I2C_NACK:
1285 s->status |= 1 << 1; /* set ACKNAK */
1286 break;
1287 }
1288 pxa2xx_i2c_update(s);
1289
1290 return 0;
1291 }
1292
1293 static uint8_t pxa2xx_i2c_rx(I2CSlave *i2c)
1294 {
1295 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1296 PXA2xxI2CState *s = slave->host;
1297
1298 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1299 return 0;
1300 }
1301
1302 if (s->status & (1 << 0)) { /* RWM */
1303 s->status |= 1 << 6; /* set ITE */
1304 }
1305 pxa2xx_i2c_update(s);
1306
1307 return s->data;
1308 }
1309
1310 static int pxa2xx_i2c_tx(I2CSlave *i2c, uint8_t data)
1311 {
1312 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1313 PXA2xxI2CState *s = slave->host;
1314
1315 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1316 return 1;
1317 }
1318
1319 if (!(s->status & (1 << 0))) { /* RWM */
1320 s->status |= 1 << 7; /* set IRF */
1321 s->data = data;
1322 }
1323 pxa2xx_i2c_update(s);
1324
1325 return 1;
1326 }
1327
1328 static uint64_t pxa2xx_i2c_read(void *opaque, hwaddr addr,
1329 unsigned size)
1330 {
1331 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1332 I2CSlave *slave;
1333
1334 addr -= s->offset;
1335 switch (addr) {
1336 case ICR:
1337 return s->control;
1338 case ISR:
1339 return s->status | (i2c_bus_busy(s->bus) << 2);
1340 case ISAR:
1341 slave = I2C_SLAVE(s->slave);
1342 return slave->address;
1343 case IDBR:
1344 return s->data;
1345 case IBMR:
1346 if (s->status & (1 << 2))
1347 s->ibmr ^= 3; /* Fake SCL and SDA pin changes */
1348 else
1349 s->ibmr = 0;
1350 return s->ibmr;
1351 default:
1352 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
1353 break;
1354 }
1355 return 0;
1356 }
1357
1358 static void pxa2xx_i2c_write(void *opaque, hwaddr addr,
1359 uint64_t value64, unsigned size)
1360 {
1361 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1362 uint32_t value = value64;
1363 int ack;
1364
1365 addr -= s->offset;
1366 switch (addr) {
1367 case ICR:
1368 s->control = value & 0xfff7;
1369 if ((value & (1 << 3)) && (value & (1 << 6))) { /* TB and IUE */
1370 /* TODO: slave mode */
1371 if (value & (1 << 0)) { /* START condition */
1372 if (s->data & 1)
1373 s->status |= 1 << 0; /* set RWM */
1374 else
1375 s->status &= ~(1 << 0); /* clear RWM */
1376 ack = !i2c_start_transfer(s->bus, s->data >> 1, s->data & 1);
1377 } else {
1378 if (s->status & (1 << 0)) { /* RWM */
1379 s->data = i2c_recv(s->bus);
1380 if (value & (1 << 2)) /* ACKNAK */
1381 i2c_nack(s->bus);
1382 ack = 1;
1383 } else
1384 ack = !i2c_send(s->bus, s->data);
1385 }
1386
1387 if (value & (1 << 1)) /* STOP condition */
1388 i2c_end_transfer(s->bus);
1389
1390 if (ack) {
1391 if (value & (1 << 0)) /* START condition */
1392 s->status |= 1 << 6; /* set ITE */
1393 else
1394 if (s->status & (1 << 0)) /* RWM */
1395 s->status |= 1 << 7; /* set IRF */
1396 else
1397 s->status |= 1 << 6; /* set ITE */
1398 s->status &= ~(1 << 1); /* clear ACKNAK */
1399 } else {
1400 s->status |= 1 << 6; /* set ITE */
1401 s->status |= 1 << 10; /* set BED */
1402 s->status |= 1 << 1; /* set ACKNAK */
1403 }
1404 }
1405 if (!(value & (1 << 3)) && (value & (1 << 6))) /* !TB and IUE */
1406 if (value & (1 << 4)) /* MA */
1407 i2c_end_transfer(s->bus);
1408 pxa2xx_i2c_update(s);
1409 break;
1410
1411 case ISR:
1412 s->status &= ~(value & 0x07f0);
1413 pxa2xx_i2c_update(s);
1414 break;
1415
1416 case ISAR:
1417 i2c_set_slave_address(I2C_SLAVE(s->slave), value & 0x7f);
1418 break;
1419
1420 case IDBR:
1421 s->data = value & 0xff;
1422 break;
1423
1424 default:
1425 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
1426 }
1427 }
1428
1429 static const MemoryRegionOps pxa2xx_i2c_ops = {
1430 .read = pxa2xx_i2c_read,
1431 .write = pxa2xx_i2c_write,
1432 .endianness = DEVICE_NATIVE_ENDIAN,
1433 };
1434
1435 static const VMStateDescription vmstate_pxa2xx_i2c_slave = {
1436 .name = "pxa2xx_i2c_slave",
1437 .version_id = 1,
1438 .minimum_version_id = 1,
1439 .fields = (VMStateField[]) {
1440 VMSTATE_I2C_SLAVE(parent_obj, PXA2xxI2CSlaveState),
1441 VMSTATE_END_OF_LIST()
1442 }
1443 };
1444
1445 static const VMStateDescription vmstate_pxa2xx_i2c = {
1446 .name = "pxa2xx_i2c",
1447 .version_id = 1,
1448 .minimum_version_id = 1,
1449 .fields = (VMStateField[]) {
1450 VMSTATE_UINT16(control, PXA2xxI2CState),
1451 VMSTATE_UINT16(status, PXA2xxI2CState),
1452 VMSTATE_UINT8(ibmr, PXA2xxI2CState),
1453 VMSTATE_UINT8(data, PXA2xxI2CState),
1454 VMSTATE_STRUCT_POINTER(slave, PXA2xxI2CState,
1455 vmstate_pxa2xx_i2c_slave, PXA2xxI2CSlaveState),
1456 VMSTATE_END_OF_LIST()
1457 }
1458 };
1459
1460 static void pxa2xx_i2c_slave_class_init(ObjectClass *klass, void *data)
1461 {
1462 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
1463
1464 k->event = pxa2xx_i2c_event;
1465 k->recv = pxa2xx_i2c_rx;
1466 k->send = pxa2xx_i2c_tx;
1467 }
1468
1469 static const TypeInfo pxa2xx_i2c_slave_info = {
1470 .name = TYPE_PXA2XX_I2C_SLAVE,
1471 .parent = TYPE_I2C_SLAVE,
1472 .instance_size = sizeof(PXA2xxI2CSlaveState),
1473 .class_init = pxa2xx_i2c_slave_class_init,
1474 };
1475
1476 PXA2xxI2CState *pxa2xx_i2c_init(hwaddr base,
1477 qemu_irq irq, uint32_t region_size)
1478 {
1479 DeviceState *dev;
1480 SysBusDevice *i2c_dev;
1481 PXA2xxI2CState *s;
1482 I2CBus *i2cbus;
1483
1484 dev = qdev_create(NULL, TYPE_PXA2XX_I2C);
1485 qdev_prop_set_uint32(dev, "size", region_size + 1);
1486 qdev_prop_set_uint32(dev, "offset", base & region_size);
1487 qdev_init_nofail(dev);
1488
1489 i2c_dev = SYS_BUS_DEVICE(dev);
1490 sysbus_mmio_map(i2c_dev, 0, base & ~region_size);
1491 sysbus_connect_irq(i2c_dev, 0, irq);
1492
1493 s = PXA2XX_I2C(i2c_dev);
1494 /* FIXME: Should the slave device really be on a separate bus? */
1495 i2cbus = i2c_init_bus(dev, "dummy");
1496 dev = i2c_create_slave(i2cbus, TYPE_PXA2XX_I2C_SLAVE, 0);
1497 s->slave = PXA2XX_I2C_SLAVE(dev);
1498 s->slave->host = s;
1499
1500 return s;
1501 }
1502
1503 static void pxa2xx_i2c_initfn(Object *obj)
1504 {
1505 DeviceState *dev = DEVICE(obj);
1506 PXA2xxI2CState *s = PXA2XX_I2C(obj);
1507 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
1508
1509 s->bus = i2c_init_bus(dev, NULL);
1510
1511 memory_region_init_io(&s->iomem, obj, &pxa2xx_i2c_ops, s,
1512 "pxa2xx-i2c", s->region_size);
1513 sysbus_init_mmio(sbd, &s->iomem);
1514 sysbus_init_irq(sbd, &s->irq);
1515 }
1516
1517 I2CBus *pxa2xx_i2c_bus(PXA2xxI2CState *s)
1518 {
1519 return s->bus;
1520 }
1521
1522 static Property pxa2xx_i2c_properties[] = {
1523 DEFINE_PROP_UINT32("size", PXA2xxI2CState, region_size, 0x10000),
1524 DEFINE_PROP_UINT32("offset", PXA2xxI2CState, offset, 0),
1525 DEFINE_PROP_END_OF_LIST(),
1526 };
1527
1528 static void pxa2xx_i2c_class_init(ObjectClass *klass, void *data)
1529 {
1530 DeviceClass *dc = DEVICE_CLASS(klass);
1531
1532 dc->desc = "PXA2xx I2C Bus Controller";
1533 dc->vmsd = &vmstate_pxa2xx_i2c;
1534 dc->props = pxa2xx_i2c_properties;
1535 }
1536
1537 static const TypeInfo pxa2xx_i2c_info = {
1538 .name = TYPE_PXA2XX_I2C,
1539 .parent = TYPE_SYS_BUS_DEVICE,
1540 .instance_size = sizeof(PXA2xxI2CState),
1541 .instance_init = pxa2xx_i2c_initfn,
1542 .class_init = pxa2xx_i2c_class_init,
1543 };
1544
1545 /* PXA Inter-IC Sound Controller */
1546 static void pxa2xx_i2s_reset(PXA2xxI2SState *i2s)
1547 {
1548 i2s->rx_len = 0;
1549 i2s->tx_len = 0;
1550 i2s->fifo_len = 0;
1551 i2s->clk = 0x1a;
1552 i2s->control[0] = 0x00;
1553 i2s->control[1] = 0x00;
1554 i2s->status = 0x00;
1555 i2s->mask = 0x00;
1556 }
1557
1558 #define SACR_TFTH(val) ((val >> 8) & 0xf)
1559 #define SACR_RFTH(val) ((val >> 12) & 0xf)
1560 #define SACR_DREC(val) (val & (1 << 3))
1561 #define SACR_DPRL(val) (val & (1 << 4))
1562
1563 static inline void pxa2xx_i2s_update(PXA2xxI2SState *i2s)
1564 {
1565 int rfs, tfs;
1566 rfs = SACR_RFTH(i2s->control[0]) < i2s->rx_len &&
1567 !SACR_DREC(i2s->control[1]);
1568 tfs = (i2s->tx_len || i2s->fifo_len < SACR_TFTH(i2s->control[0])) &&
1569 i2s->enable && !SACR_DPRL(i2s->control[1]);
1570
1571 qemu_set_irq(i2s->rx_dma, rfs);
1572 qemu_set_irq(i2s->tx_dma, tfs);
1573
1574 i2s->status &= 0xe0;
1575 if (i2s->fifo_len < 16 || !i2s->enable)
1576 i2s->status |= 1 << 0; /* TNF */
1577 if (i2s->rx_len)
1578 i2s->status |= 1 << 1; /* RNE */
1579 if (i2s->enable)
1580 i2s->status |= 1 << 2; /* BSY */
1581 if (tfs)
1582 i2s->status |= 1 << 3; /* TFS */
1583 if (rfs)
1584 i2s->status |= 1 << 4; /* RFS */
1585 if (!(i2s->tx_len && i2s->enable))
1586 i2s->status |= i2s->fifo_len << 8; /* TFL */
1587 i2s->status |= MAX(i2s->rx_len, 0xf) << 12; /* RFL */
1588
1589 qemu_set_irq(i2s->irq, i2s->status & i2s->mask);
1590 }
1591
1592 #define SACR0 0x00 /* Serial Audio Global Control register */
1593 #define SACR1 0x04 /* Serial Audio I2S/MSB-Justified Control register */
1594 #define SASR0 0x0c /* Serial Audio Interface and FIFO Status register */
1595 #define SAIMR 0x14 /* Serial Audio Interrupt Mask register */
1596 #define SAICR 0x18 /* Serial Audio Interrupt Clear register */
1597 #define SADIV 0x60 /* Serial Audio Clock Divider register */
1598 #define SADR 0x80 /* Serial Audio Data register */
1599
1600 static uint64_t pxa2xx_i2s_read(void *opaque, hwaddr addr,
1601 unsigned size)
1602 {
1603 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1604
1605 switch (addr) {
1606 case SACR0:
1607 return s->control[0];
1608 case SACR1:
1609 return s->control[1];
1610 case SASR0:
1611 return s->status;
1612 case SAIMR:
1613 return s->mask;
1614 case SAICR:
1615 return 0;
1616 case SADIV:
1617 return s->clk;
1618 case SADR:
1619 if (s->rx_len > 0) {
1620 s->rx_len --;
1621 pxa2xx_i2s_update(s);
1622 return s->codec_in(s->opaque);
1623 }
1624 return 0;
1625 default:
1626 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
1627 break;
1628 }
1629 return 0;
1630 }
1631
1632 static void pxa2xx_i2s_write(void *opaque, hwaddr addr,
1633 uint64_t value, unsigned size)
1634 {
1635 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1636 uint32_t *sample;
1637
1638 switch (addr) {
1639 case SACR0:
1640 if (value & (1 << 3)) /* RST */
1641 pxa2xx_i2s_reset(s);
1642 s->control[0] = value & 0xff3d;
1643 if (!s->enable && (value & 1) && s->tx_len) { /* ENB */
1644 for (sample = s->fifo; s->fifo_len > 0; s->fifo_len --, sample ++)
1645 s->codec_out(s->opaque, *sample);
1646 s->status &= ~(1 << 7); /* I2SOFF */
1647 }
1648 if (value & (1 << 4)) /* EFWR */
1649 printf("%s: Attempt to use special function\n", __func__);
1650 s->enable = (value & 9) == 1; /* ENB && !RST*/
1651 pxa2xx_i2s_update(s);
1652 break;
1653 case SACR1:
1654 s->control[1] = value & 0x0039;
1655 if (value & (1 << 5)) /* ENLBF */
1656 printf("%s: Attempt to use loopback function\n", __func__);
1657 if (value & (1 << 4)) /* DPRL */
1658 s->fifo_len = 0;
1659 pxa2xx_i2s_update(s);
1660 break;
1661 case SAIMR:
1662 s->mask = value & 0x0078;
1663 pxa2xx_i2s_update(s);
1664 break;
1665 case SAICR:
1666 s->status &= ~(value & (3 << 5));
1667 pxa2xx_i2s_update(s);
1668 break;
1669 case SADIV:
1670 s->clk = value & 0x007f;
1671 break;
1672 case SADR:
1673 if (s->tx_len && s->enable) {
1674 s->tx_len --;
1675 pxa2xx_i2s_update(s);
1676 s->codec_out(s->opaque, value);
1677 } else if (s->fifo_len < 16) {
1678 s->fifo[s->fifo_len ++] = value;
1679 pxa2xx_i2s_update(s);
1680 }
1681 break;
1682 default:
1683 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
1684 }
1685 }
1686
1687 static const MemoryRegionOps pxa2xx_i2s_ops = {
1688 .read = pxa2xx_i2s_read,
1689 .write = pxa2xx_i2s_write,
1690 .endianness = DEVICE_NATIVE_ENDIAN,
1691 };
1692
1693 static const VMStateDescription vmstate_pxa2xx_i2s = {
1694 .name = "pxa2xx_i2s",
1695 .version_id = 0,
1696 .minimum_version_id = 0,
1697 .fields = (VMStateField[]) {
1698 VMSTATE_UINT32_ARRAY(control, PXA2xxI2SState, 2),
1699 VMSTATE_UINT32(status, PXA2xxI2SState),
1700 VMSTATE_UINT32(mask, PXA2xxI2SState),
1701 VMSTATE_UINT32(clk, PXA2xxI2SState),
1702 VMSTATE_INT32(enable, PXA2xxI2SState),
1703 VMSTATE_INT32(rx_len, PXA2xxI2SState),
1704 VMSTATE_INT32(tx_len, PXA2xxI2SState),
1705 VMSTATE_INT32(fifo_len, PXA2xxI2SState),
1706 VMSTATE_END_OF_LIST()
1707 }
1708 };
1709
1710 static void pxa2xx_i2s_data_req(void *opaque, int tx, int rx)
1711 {
1712 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1713 uint32_t *sample;
1714
1715 /* Signal FIFO errors */
1716 if (s->enable && s->tx_len)
1717 s->status |= 1 << 5; /* TUR */
1718 if (s->enable && s->rx_len)
1719 s->status |= 1 << 6; /* ROR */
1720
1721 /* Should be tx - MIN(tx, s->fifo_len) but we don't really need to
1722 * handle the cases where it makes a difference. */
1723 s->tx_len = tx - s->fifo_len;
1724 s->rx_len = rx;
1725 /* Note that is s->codec_out wasn't set, we wouldn't get called. */
1726 if (s->enable)
1727 for (sample = s->fifo; s->fifo_len; s->fifo_len --, sample ++)
1728 s->codec_out(s->opaque, *sample);
1729 pxa2xx_i2s_update(s);
1730 }
1731
1732 static PXA2xxI2SState *pxa2xx_i2s_init(MemoryRegion *sysmem,
1733 hwaddr base,
1734 qemu_irq irq, qemu_irq rx_dma, qemu_irq tx_dma)
1735 {
1736 PXA2xxI2SState *s = g_new0(PXA2xxI2SState, 1);
1737
1738 s->irq = irq;
1739 s->rx_dma = rx_dma;
1740 s->tx_dma = tx_dma;
1741 s->data_req = pxa2xx_i2s_data_req;
1742
1743 pxa2xx_i2s_reset(s);
1744
1745 memory_region_init_io(&s->iomem, NULL, &pxa2xx_i2s_ops, s,
1746 "pxa2xx-i2s", 0x100000);
1747 memory_region_add_subregion(sysmem, base, &s->iomem);
1748
1749 vmstate_register(NULL, base, &vmstate_pxa2xx_i2s, s);
1750
1751 return s;
1752 }
1753
1754 /* PXA Fast Infra-red Communications Port */
1755 #define TYPE_PXA2XX_FIR "pxa2xx-fir"
1756 #define PXA2XX_FIR(obj) OBJECT_CHECK(PXA2xxFIrState, (obj), TYPE_PXA2XX_FIR)
1757
1758 struct PXA2xxFIrState {
1759 /*< private >*/
1760 SysBusDevice parent_obj;
1761 /*< public >*/
1762
1763 MemoryRegion iomem;
1764 qemu_irq irq;
1765 qemu_irq rx_dma;
1766 qemu_irq tx_dma;
1767 uint32_t enable;
1768 CharBackend chr;
1769
1770 uint8_t control[3];
1771 uint8_t status[2];
1772
1773 uint32_t rx_len;
1774 uint32_t rx_start;
1775 uint8_t rx_fifo[64];
1776 };
1777
1778 static void pxa2xx_fir_reset(DeviceState *d)
1779 {
1780 PXA2xxFIrState *s = PXA2XX_FIR(d);
1781
1782 s->control[0] = 0x00;
1783 s->control[1] = 0x00;
1784 s->control[2] = 0x00;
1785 s->status[0] = 0x00;
1786 s->status[1] = 0x00;
1787 s->enable = 0;
1788 }
1789
1790 static inline void pxa2xx_fir_update(PXA2xxFIrState *s)
1791 {
1792 static const int tresh[4] = { 8, 16, 32, 0 };
1793 int intr = 0;
1794 if ((s->control[0] & (1 << 4)) && /* RXE */
1795 s->rx_len >= tresh[s->control[2] & 3]) /* TRIG */
1796 s->status[0] |= 1 << 4; /* RFS */
1797 else
1798 s->status[0] &= ~(1 << 4); /* RFS */
1799 if (s->control[0] & (1 << 3)) /* TXE */
1800 s->status[0] |= 1 << 3; /* TFS */
1801 else
1802 s->status[0] &= ~(1 << 3); /* TFS */
1803 if (s->rx_len)
1804 s->status[1] |= 1 << 2; /* RNE */
1805 else
1806 s->status[1] &= ~(1 << 2); /* RNE */
1807 if (s->control[0] & (1 << 4)) /* RXE */
1808 s->status[1] |= 1 << 0; /* RSY */
1809 else
1810 s->status[1] &= ~(1 << 0); /* RSY */
1811
1812 intr |= (s->control[0] & (1 << 5)) && /* RIE */
1813 (s->status[0] & (1 << 4)); /* RFS */
1814 intr |= (s->control[0] & (1 << 6)) && /* TIE */
1815 (s->status[0] & (1 << 3)); /* TFS */
1816 intr |= (s->control[2] & (1 << 4)) && /* TRAIL */
1817 (s->status[0] & (1 << 6)); /* EOC */
1818 intr |= (s->control[0] & (1 << 2)) && /* TUS */
1819 (s->status[0] & (1 << 1)); /* TUR */
1820 intr |= s->status[0] & 0x25; /* FRE, RAB, EIF */
1821
1822 qemu_set_irq(s->rx_dma, (s->status[0] >> 4) & 1);
1823 qemu_set_irq(s->tx_dma, (s->status[0] >> 3) & 1);
1824
1825 qemu_set_irq(s->irq, intr && s->enable);
1826 }
1827
1828 #define ICCR0 0x00 /* FICP Control register 0 */
1829 #define ICCR1 0x04 /* FICP Control register 1 */
1830 #define ICCR2 0x08 /* FICP Control register 2 */
1831 #define ICDR 0x0c /* FICP Data register */
1832 #define ICSR0 0x14 /* FICP Status register 0 */
1833 #define ICSR1 0x18 /* FICP Status register 1 */
1834 #define ICFOR 0x1c /* FICP FIFO Occupancy Status register */
1835
1836 static uint64_t pxa2xx_fir_read(void *opaque, hwaddr addr,
1837 unsigned size)
1838 {
1839 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1840 uint8_t ret;
1841
1842 switch (addr) {
1843 case ICCR0:
1844 return s->control[0];
1845 case ICCR1:
1846 return s->control[1];
1847 case ICCR2:
1848 return s->control[2];
1849 case ICDR:
1850 s->status[0] &= ~0x01;
1851 s->status[1] &= ~0x72;
1852 if (s->rx_len) {
1853 s->rx_len --;
1854 ret = s->rx_fifo[s->rx_start ++];
1855 s->rx_start &= 63;
1856 pxa2xx_fir_update(s);
1857 return ret;
1858 }
1859 printf("%s: Rx FIFO underrun.\n", __func__);
1860 break;
1861 case ICSR0:
1862 return s->status[0];
1863 case ICSR1:
1864 return s->status[1] | (1 << 3); /* TNF */
1865 case ICFOR:
1866 return s->rx_len;
1867 default:
1868 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
1869 break;
1870 }
1871 return 0;
1872 }
1873
1874 static void pxa2xx_fir_write(void *opaque, hwaddr addr,
1875 uint64_t value64, unsigned size)
1876 {
1877 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1878 uint32_t value = value64;
1879 uint8_t ch;
1880
1881 switch (addr) {
1882 case ICCR0:
1883 s->control[0] = value;
1884 if (!(value & (1 << 4))) /* RXE */
1885 s->rx_len = s->rx_start = 0;
1886 if (!(value & (1 << 3))) { /* TXE */
1887 /* Nop */
1888 }
1889 s->enable = value & 1; /* ITR */
1890 if (!s->enable)
1891 s->status[0] = 0;
1892 pxa2xx_fir_update(s);
1893 break;
1894 case ICCR1:
1895 s->control[1] = value;
1896 break;
1897 case ICCR2:
1898 s->control[2] = value & 0x3f;
1899 pxa2xx_fir_update(s);
1900 break;
1901 case ICDR:
1902 if (s->control[2] & (1 << 2)) { /* TXP */
1903 ch = value;
1904 } else {
1905 ch = ~value;
1906 }
1907 if (s->enable && (s->control[0] & (1 << 3))) { /* TXE */
1908 /* XXX this blocks entire thread. Rewrite to use
1909 * qemu_chr_fe_write and background I/O callbacks */
1910 qemu_chr_fe_write_all(&s->chr, &ch, 1);
1911 }
1912 break;
1913 case ICSR0:
1914 s->status[0] &= ~(value & 0x66);
1915 pxa2xx_fir_update(s);
1916 break;
1917 case ICFOR:
1918 break;
1919 default:
1920 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
1921 }
1922 }
1923
1924 static const MemoryRegionOps pxa2xx_fir_ops = {
1925 .read = pxa2xx_fir_read,
1926 .write = pxa2xx_fir_write,
1927 .endianness = DEVICE_NATIVE_ENDIAN,
1928 };
1929
1930 static int pxa2xx_fir_is_empty(void *opaque)
1931 {
1932 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1933 return (s->rx_len < 64);
1934 }
1935
1936 static void pxa2xx_fir_rx(void *opaque, const uint8_t *buf, int size)
1937 {
1938 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1939 if (!(s->control[0] & (1 << 4))) /* RXE */
1940 return;
1941
1942 while (size --) {
1943 s->status[1] |= 1 << 4; /* EOF */
1944 if (s->rx_len >= 64) {
1945 s->status[1] |= 1 << 6; /* ROR */
1946 break;
1947 }
1948
1949 if (s->control[2] & (1 << 3)) /* RXP */
1950 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = *(buf ++);
1951 else
1952 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = ~*(buf ++);
1953 }
1954
1955 pxa2xx_fir_update(s);
1956 }
1957
1958 static void pxa2xx_fir_event(void *opaque, int event)
1959 {
1960 }
1961
1962 static void pxa2xx_fir_instance_init(Object *obj)
1963 {
1964 PXA2xxFIrState *s = PXA2XX_FIR(obj);
1965 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
1966
1967 memory_region_init_io(&s->iomem, obj, &pxa2xx_fir_ops, s,
1968 "pxa2xx-fir", 0x1000);
1969 sysbus_init_mmio(sbd, &s->iomem);
1970 sysbus_init_irq(sbd, &s->irq);
1971 sysbus_init_irq(sbd, &s->rx_dma);
1972 sysbus_init_irq(sbd, &s->tx_dma);
1973 }
1974
1975 static void pxa2xx_fir_realize(DeviceState *dev, Error **errp)
1976 {
1977 PXA2xxFIrState *s = PXA2XX_FIR(dev);
1978
1979 qemu_chr_fe_set_handlers(&s->chr, pxa2xx_fir_is_empty,
1980 pxa2xx_fir_rx, pxa2xx_fir_event, NULL, s, NULL,
1981 true);
1982 }
1983
1984 static bool pxa2xx_fir_vmstate_validate(void *opaque, int version_id)
1985 {
1986 PXA2xxFIrState *s = opaque;
1987
1988 return s->rx_start < ARRAY_SIZE(s->rx_fifo);
1989 }
1990
1991 static const VMStateDescription pxa2xx_fir_vmsd = {
1992 .name = "pxa2xx-fir",
1993 .version_id = 1,
1994 .minimum_version_id = 1,
1995 .fields = (VMStateField[]) {
1996 VMSTATE_UINT32(enable, PXA2xxFIrState),
1997 VMSTATE_UINT8_ARRAY(control, PXA2xxFIrState, 3),
1998 VMSTATE_UINT8_ARRAY(status, PXA2xxFIrState, 2),
1999 VMSTATE_UINT32(rx_len, PXA2xxFIrState),
2000 VMSTATE_UINT32(rx_start, PXA2xxFIrState),
2001 VMSTATE_VALIDATE("fifo is 64 bytes", pxa2xx_fir_vmstate_validate),
2002 VMSTATE_UINT8_ARRAY(rx_fifo, PXA2xxFIrState, 64),
2003 VMSTATE_END_OF_LIST()
2004 }
2005 };
2006
2007 static Property pxa2xx_fir_properties[] = {
2008 DEFINE_PROP_CHR("chardev", PXA2xxFIrState, chr),
2009 DEFINE_PROP_END_OF_LIST(),
2010 };
2011
2012 static void pxa2xx_fir_class_init(ObjectClass *klass, void *data)
2013 {
2014 DeviceClass *dc = DEVICE_CLASS(klass);
2015
2016 dc->realize = pxa2xx_fir_realize;
2017 dc->vmsd = &pxa2xx_fir_vmsd;
2018 dc->props = pxa2xx_fir_properties;
2019 dc->reset = pxa2xx_fir_reset;
2020 }
2021
2022 static const TypeInfo pxa2xx_fir_info = {
2023 .name = TYPE_PXA2XX_FIR,
2024 .parent = TYPE_SYS_BUS_DEVICE,
2025 .instance_size = sizeof(PXA2xxFIrState),
2026 .class_init = pxa2xx_fir_class_init,
2027 .instance_init = pxa2xx_fir_instance_init,
2028 };
2029
2030 static PXA2xxFIrState *pxa2xx_fir_init(MemoryRegion *sysmem,
2031 hwaddr base,
2032 qemu_irq irq, qemu_irq rx_dma,
2033 qemu_irq tx_dma,
2034 Chardev *chr)
2035 {
2036 DeviceState *dev;
2037 SysBusDevice *sbd;
2038
2039 dev = qdev_create(NULL, TYPE_PXA2XX_FIR);
2040 qdev_prop_set_chr(dev, "chardev", chr);
2041 qdev_init_nofail(dev);
2042 sbd = SYS_BUS_DEVICE(dev);
2043 sysbus_mmio_map(sbd, 0, base);
2044 sysbus_connect_irq(sbd, 0, irq);
2045 sysbus_connect_irq(sbd, 1, rx_dma);
2046 sysbus_connect_irq(sbd, 2, tx_dma);
2047 return PXA2XX_FIR(dev);
2048 }
2049
2050 static void pxa2xx_reset(void *opaque, int line, int level)
2051 {
2052 PXA2xxState *s = (PXA2xxState *) opaque;
2053
2054 if (level && (s->pm_regs[PCFR >> 2] & 0x10)) { /* GPR_EN */
2055 cpu_reset(CPU(s->cpu));
2056 /* TODO: reset peripherals */
2057 }
2058 }
2059
2060 /* Initialise a PXA270 integrated chip (ARM based core). */
2061 PXA2xxState *pxa270_init(MemoryRegion *address_space,
2062 unsigned int sdram_size, const char *cpu_type)
2063 {
2064 PXA2xxState *s;
2065 int i;
2066 DriveInfo *dinfo;
2067 s = g_new0(PXA2xxState, 1);
2068
2069 if (strncmp(cpu_type, "pxa27", 5)) {
2070 error_report("Machine requires a PXA27x processor");
2071 exit(1);
2072 }
2073
2074 s->cpu = ARM_CPU(cpu_create(cpu_type));
2075 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2076
2077 /* SDRAM & Internal Memory Storage */
2078 memory_region_init_ram(&s->sdram, NULL, "pxa270.sdram", sdram_size,
2079 &error_fatal);
2080 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2081 memory_region_init_ram(&s->internal, NULL, "pxa270.internal", 0x40000,
2082 &error_fatal);
2083 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2084 &s->internal);
2085
2086 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2087
2088 s->dma = pxa27x_dma_init(0x40000000,
2089 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2090
2091 sysbus_create_varargs("pxa27x-timer", 0x40a00000,
2092 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2093 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2094 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2095 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2096 qdev_get_gpio_in(s->pic, PXA27X_PIC_OST_4_11),
2097 NULL);
2098
2099 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 121);
2100
2101 dinfo = drive_get(IF_SD, 0, 0);
2102 if (!dinfo && !qtest_enabled()) {
2103 warn_report("missing SecureDigital device");
2104 }
2105 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2106 dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
2107 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2108 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2109 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2110
2111 for (i = 0; pxa270_serial[i].io_base; i++) {
2112 if (serial_hd(i)) {
2113 serial_mm_init(address_space, pxa270_serial[i].io_base, 2,
2114 qdev_get_gpio_in(s->pic, pxa270_serial[i].irqn),
2115 14857000 / 16, serial_hd(i),
2116 DEVICE_NATIVE_ENDIAN);
2117 } else {
2118 break;
2119 }
2120 }
2121 if (serial_hd(i))
2122 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2123 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2124 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2125 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2126 serial_hd(i));
2127
2128 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2129 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2130
2131 s->cm_base = 0x41300000;
2132 s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */
2133 s->clkcfg = 0x00000009; /* Turbo mode active */
2134 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2135 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2136 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2137
2138 pxa2xx_setup_cp14(s);
2139
2140 s->mm_base = 0x48000000;
2141 s->mm_regs[MDMRS >> 2] = 0x00020002;
2142 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2143 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2144 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2145 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2146 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2147
2148 s->pm_base = 0x40f00000;
2149 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2150 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2151 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2152
2153 for (i = 0; pxa27x_ssp[i].io_base; i ++);
2154 s->ssp = g_new0(SSIBus *, i);
2155 for (i = 0; pxa27x_ssp[i].io_base; i ++) {
2156 DeviceState *dev;
2157 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa27x_ssp[i].io_base,
2158 qdev_get_gpio_in(s->pic, pxa27x_ssp[i].irqn));
2159 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2160 }
2161
2162 sysbus_create_simple("sysbus-ohci", 0x4c000000,
2163 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1));
2164
2165 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2166 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2167
2168 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2169 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2170
2171 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2172 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2173 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2174 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2175
2176 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2177 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2178 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2179 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2180
2181 s->kp = pxa27x_keypad_init(address_space, 0x41500000,
2182 qdev_get_gpio_in(s->pic, PXA2XX_PIC_KEYPAD));
2183
2184 /* GPIO1 resets the processor */
2185 /* The handler can be overridden by board-specific code */
2186 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2187 return s;
2188 }
2189
2190 /* Initialise a PXA255 integrated chip (ARM based core). */
2191 PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size)
2192 {
2193 PXA2xxState *s;
2194 int i;
2195 DriveInfo *dinfo;
2196
2197 s = g_new0(PXA2xxState, 1);
2198
2199 s->cpu = ARM_CPU(cpu_create(ARM_CPU_TYPE_NAME("pxa255")));
2200 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2201
2202 /* SDRAM & Internal Memory Storage */
2203 memory_region_init_ram(&s->sdram, NULL, "pxa255.sdram", sdram_size,
2204 &error_fatal);
2205 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2206 memory_region_init_ram(&s->internal, NULL, "pxa255.internal",
2207 PXA2XX_INTERNAL_SIZE, &error_fatal);
2208 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2209 &s->internal);
2210
2211 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2212
2213 s->dma = pxa255_dma_init(0x40000000,
2214 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2215
2216 sysbus_create_varargs("pxa25x-timer", 0x40a00000,
2217 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2218 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2219 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2220 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2221 NULL);
2222
2223 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 85);
2224
2225 dinfo = drive_get(IF_SD, 0, 0);
2226 if (!dinfo && !qtest_enabled()) {
2227 warn_report("missing SecureDigital device");
2228 }
2229 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2230 dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
2231 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2232 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2233 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2234
2235 for (i = 0; pxa255_serial[i].io_base; i++) {
2236 if (serial_hd(i)) {
2237 serial_mm_init(address_space, pxa255_serial[i].io_base, 2,
2238 qdev_get_gpio_in(s->pic, pxa255_serial[i].irqn),
2239 14745600 / 16, serial_hd(i),
2240 DEVICE_NATIVE_ENDIAN);
2241 } else {
2242 break;
2243 }
2244 }
2245 if (serial_hd(i))
2246 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2247 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2248 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2249 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2250 serial_hd(i));
2251
2252 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2253 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2254
2255 s->cm_base = 0x41300000;
2256 s->cm_regs[CCCR >> 2] = 0x00000121; /* from datasheet */
2257 s->cm_regs[CKEN >> 2] = 0x00017def; /* from datasheet */
2258
2259 s->clkcfg = 0x00000009; /* Turbo mode active */
2260 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2261 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2262 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2263
2264 pxa2xx_setup_cp14(s);
2265
2266 s->mm_base = 0x48000000;
2267 s->mm_regs[MDMRS >> 2] = 0x00020002;
2268 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2269 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2270 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2271 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2272 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2273
2274 s->pm_base = 0x40f00000;
2275 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2276 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2277 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2278
2279 for (i = 0; pxa255_ssp[i].io_base; i ++);
2280 s->ssp = g_new0(SSIBus *, i);
2281 for (i = 0; pxa255_ssp[i].io_base; i ++) {
2282 DeviceState *dev;
2283 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa255_ssp[i].io_base,
2284 qdev_get_gpio_in(s->pic, pxa255_ssp[i].irqn));
2285 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2286 }
2287
2288 sysbus_create_simple("sysbus-ohci", 0x4c000000,
2289 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1));
2290
2291 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2292 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2293
2294 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2295 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2296
2297 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2298 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2299 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2300 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2301
2302 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2303 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2304 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2305 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2306
2307 /* GPIO1 resets the processor */
2308 /* The handler can be overridden by board-specific code */
2309 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2310 return s;
2311 }
2312
2313 static void pxa2xx_ssp_class_init(ObjectClass *klass, void *data)
2314 {
2315 DeviceClass *dc = DEVICE_CLASS(klass);
2316
2317 dc->reset = pxa2xx_ssp_reset;
2318 dc->vmsd = &vmstate_pxa2xx_ssp;
2319 }
2320
2321 static const TypeInfo pxa2xx_ssp_info = {
2322 .name = TYPE_PXA2XX_SSP,
2323 .parent = TYPE_SYS_BUS_DEVICE,
2324 .instance_size = sizeof(PXA2xxSSPState),
2325 .instance_init = pxa2xx_ssp_init,
2326 .class_init = pxa2xx_ssp_class_init,
2327 };
2328
2329 static void pxa2xx_register_types(void)
2330 {
2331 type_register_static(&pxa2xx_i2c_slave_info);
2332 type_register_static(&pxa2xx_ssp_info);
2333 type_register_static(&pxa2xx_i2c_info);
2334 type_register_static(&pxa2xx_rtc_sysbus_info);
2335 type_register_static(&pxa2xx_fir_info);
2336 }
2337
2338 type_init(pxa2xx_register_types)
AR7 emulation for QEMU