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alpha: convert "naked" qemu_log to tracepoint
[qemu/ar7.git] / hw / arm / pxa2xx.c
blob79d22d91e56409cd58e6b5fa6e3f196ba98c0116
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 "hw/sysbus.h"
11 #include "hw/arm/pxa.h"
12 #include "sysemu/sysemu.h"
13 #include "hw/char/serial.h"
14 #include "hw/i2c/i2c.h"
15 #include "hw/ssi.h"
16 #include "sysemu/char.h"
17 #include "sysemu/block-backend.h"
18 #include "sysemu/blockdev.h"
19
20 static struct {
21 hwaddr io_base;
22 int irqn;
23 } pxa255_serial[] = {
24 { 0x40100000, PXA2XX_PIC_FFUART },
25 { 0x40200000, PXA2XX_PIC_BTUART },
26 { 0x40700000, PXA2XX_PIC_STUART },
27 { 0x41600000, PXA25X_PIC_HWUART },
28 { 0, 0 }
29 }, pxa270_serial[] = {
30 { 0x40100000, PXA2XX_PIC_FFUART },
31 { 0x40200000, PXA2XX_PIC_BTUART },
32 { 0x40700000, PXA2XX_PIC_STUART },
33 { 0, 0 }
34 };
35
36 typedef struct PXASSPDef {
37 hwaddr io_base;
38 int irqn;
39 } PXASSPDef;
40
41 #if 0
42 static PXASSPDef pxa250_ssp[] = {
43 { 0x41000000, PXA2XX_PIC_SSP },
44 { 0, 0 }
45 };
46 #endif
47
48 static PXASSPDef pxa255_ssp[] = {
49 { 0x41000000, PXA2XX_PIC_SSP },
50 { 0x41400000, PXA25X_PIC_NSSP },
51 { 0, 0 }
52 };
53
54 #if 0
55 static PXASSPDef pxa26x_ssp[] = {
56 { 0x41000000, PXA2XX_PIC_SSP },
57 { 0x41400000, PXA25X_PIC_NSSP },
58 { 0x41500000, PXA26X_PIC_ASSP },
59 { 0, 0 }
60 };
61 #endif
62
63 static PXASSPDef pxa27x_ssp[] = {
64 { 0x41000000, PXA2XX_PIC_SSP },
65 { 0x41700000, PXA27X_PIC_SSP2 },
66 { 0x41900000, PXA2XX_PIC_SSP3 },
67 { 0, 0 }
68 };
69
70 #define PMCR 0x00 /* Power Manager Control register */
71 #define PSSR 0x04 /* Power Manager Sleep Status register */
72 #define PSPR 0x08 /* Power Manager Scratch-Pad register */
73 #define PWER 0x0c /* Power Manager Wake-Up Enable register */
74 #define PRER 0x10 /* Power Manager Rising-Edge Detect Enable register */
75 #define PFER 0x14 /* Power Manager Falling-Edge Detect Enable register */
76 #define PEDR 0x18 /* Power Manager Edge-Detect Status register */
77 #define PCFR 0x1c /* Power Manager General Configuration register */
78 #define PGSR0 0x20 /* Power Manager GPIO Sleep-State register 0 */
79 #define PGSR1 0x24 /* Power Manager GPIO Sleep-State register 1 */
80 #define PGSR2 0x28 /* Power Manager GPIO Sleep-State register 2 */
81 #define PGSR3 0x2c /* Power Manager GPIO Sleep-State register 3 */
82 #define RCSR 0x30 /* Reset Controller Status register */
83 #define PSLR 0x34 /* Power Manager Sleep Configuration register */
84 #define PTSR 0x38 /* Power Manager Standby Configuration register */
85 #define PVCR 0x40 /* Power Manager Voltage Change Control register */
86 #define PUCR 0x4c /* Power Manager USIM Card Control/Status register */
87 #define PKWR 0x50 /* Power Manager Keyboard Wake-Up Enable register */
88 #define PKSR 0x54 /* Power Manager Keyboard Level-Detect Status */
89 #define PCMD0 0x80 /* Power Manager I2C Command register File 0 */
90 #define PCMD31 0xfc /* Power Manager I2C Command register File 31 */
91
92 static uint64_t pxa2xx_pm_read(void *opaque, hwaddr addr,
93 unsigned size)
94 {
95 PXA2xxState *s = (PXA2xxState *) opaque;
96
97 switch (addr) {
98 case PMCR ... PCMD31:
99 if (addr & 3)
100 goto fail;
101
102 return s->pm_regs[addr >> 2];
103 default:
104 fail:
105 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
106 break;
107 }
108 return 0;
109 }
110
111 static void pxa2xx_pm_write(void *opaque, hwaddr addr,
112 uint64_t value, unsigned size)
113 {
114 PXA2xxState *s = (PXA2xxState *) opaque;
115
116 switch (addr) {
117 case PMCR:
118 /* Clear the write-one-to-clear bits... */
119 s->pm_regs[addr >> 2] &= ~(value & 0x2a);
120 /* ...and set the plain r/w bits */
121 s->pm_regs[addr >> 2] &= ~0x15;
122 s->pm_regs[addr >> 2] |= value & 0x15;
123 break;
124
125 case PSSR: /* Read-clean registers */
126 case RCSR:
127 case PKSR:
128 s->pm_regs[addr >> 2] &= ~value;
129 break;
130
131 default: /* Read-write registers */
132 if (!(addr & 3)) {
133 s->pm_regs[addr >> 2] = value;
134 break;
135 }
136
137 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
138 break;
139 }
140 }
141
142 static const MemoryRegionOps pxa2xx_pm_ops = {
143 .read = pxa2xx_pm_read,
144 .write = pxa2xx_pm_write,
145 .endianness = DEVICE_NATIVE_ENDIAN,
146 };
147
148 static const VMStateDescription vmstate_pxa2xx_pm = {
149 .name = "pxa2xx_pm",
150 .version_id = 0,
151 .minimum_version_id = 0,
152 .fields = (VMStateField[]) {
153 VMSTATE_UINT32_ARRAY(pm_regs, PXA2xxState, 0x40),
154 VMSTATE_END_OF_LIST()
155 }
156 };
157
158 #define CCCR 0x00 /* Core Clock Configuration register */
159 #define CKEN 0x04 /* Clock Enable register */
160 #define OSCC 0x08 /* Oscillator Configuration register */
161 #define CCSR 0x0c /* Core Clock Status register */
162
163 static uint64_t pxa2xx_cm_read(void *opaque, hwaddr addr,
164 unsigned size)
165 {
166 PXA2xxState *s = (PXA2xxState *) opaque;
167
168 switch (addr) {
169 case CCCR:
170 case CKEN:
171 case OSCC:
172 return s->cm_regs[addr >> 2];
173
174 case CCSR:
175 return s->cm_regs[CCCR >> 2] | (3 << 28);
176
177 default:
178 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
179 break;
180 }
181 return 0;
182 }
183
184 static void pxa2xx_cm_write(void *opaque, hwaddr addr,
185 uint64_t value, unsigned size)
186 {
187 PXA2xxState *s = (PXA2xxState *) opaque;
188
189 switch (addr) {
190 case CCCR:
191 case CKEN:
192 s->cm_regs[addr >> 2] = value;
193 break;
194
195 case OSCC:
196 s->cm_regs[addr >> 2] &= ~0x6c;
197 s->cm_regs[addr >> 2] |= value & 0x6e;
198 if ((value >> 1) & 1) /* OON */
199 s->cm_regs[addr >> 2] |= 1 << 0; /* Oscillator is now stable */
200 break;
201
202 default:
203 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
204 break;
205 }
206 }
207
208 static const MemoryRegionOps pxa2xx_cm_ops = {
209 .read = pxa2xx_cm_read,
210 .write = pxa2xx_cm_write,
211 .endianness = DEVICE_NATIVE_ENDIAN,
212 };
213
214 static const VMStateDescription vmstate_pxa2xx_cm = {
215 .name = "pxa2xx_cm",
216 .version_id = 0,
217 .minimum_version_id = 0,
218 .fields = (VMStateField[]) {
219 VMSTATE_UINT32_ARRAY(cm_regs, PXA2xxState, 4),
220 VMSTATE_UINT32(clkcfg, PXA2xxState),
221 VMSTATE_UINT32(pmnc, PXA2xxState),
222 VMSTATE_END_OF_LIST()
223 }
224 };
225
226 static uint64_t pxa2xx_clkcfg_read(CPUARMState *env, const ARMCPRegInfo *ri)
227 {
228 PXA2xxState *s = (PXA2xxState *)ri->opaque;
229 return s->clkcfg;
230 }
231
232 static void pxa2xx_clkcfg_write(CPUARMState *env, const ARMCPRegInfo *ri,
233 uint64_t value)
234 {
235 PXA2xxState *s = (PXA2xxState *)ri->opaque;
236 s->clkcfg = value & 0xf;
237 if (value & 2) {
238 printf("%s: CPU frequency change attempt\n", __func__);
239 }
240 }
241
242 static void pxa2xx_pwrmode_write(CPUARMState *env, const ARMCPRegInfo *ri,
243 uint64_t value)
244 {
245 PXA2xxState *s = (PXA2xxState *)ri->opaque;
246 static const char *pwrmode[8] = {
247 "Normal", "Idle", "Deep-idle", "Standby",
248 "Sleep", "reserved (!)", "reserved (!)", "Deep-sleep",
249 };
250
251 if (value & 8) {
252 printf("%s: CPU voltage change attempt\n", __func__);
253 }
254 switch (value & 7) {
255 case 0:
256 /* Do nothing */
257 break;
258
259 case 1:
260 /* Idle */
261 if (!(s->cm_regs[CCCR >> 2] & (1U << 31))) { /* CPDIS */
262 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
263 break;
264 }
265 /* Fall through. */
266
267 case 2:
268 /* Deep-Idle */
269 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
270 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
271 goto message;
272
273 case 3:
274 s->cpu->env.uncached_cpsr = ARM_CPU_MODE_SVC;
275 s->cpu->env.daif = PSTATE_A | PSTATE_F | PSTATE_I;
276 s->cpu->env.cp15.sctlr_ns = 0;
277 s->cpu->env.cp15.cpacr_el1 = 0;
278 s->cpu->env.cp15.ttbr0_el[1] = 0;
279 s->cpu->env.cp15.dacr_ns = 0;
280 s->pm_regs[PSSR >> 2] |= 0x8; /* Set STS */
281 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
282
283 /*
284 * The scratch-pad register is almost universally used
285 * for storing the return address on suspend. For the
286 * lack of a resuming bootloader, perform a jump
287 * directly to that address.
288 */
289 memset(s->cpu->env.regs, 0, 4 * 15);
290 s->cpu->env.regs[15] = s->pm_regs[PSPR >> 2];
291
292 #if 0
293 buffer = 0xe59ff000; /* ldr pc, [pc, #0] */
294 cpu_physical_memory_write(0, &buffer, 4);
295 buffer = s->pm_regs[PSPR >> 2];
296 cpu_physical_memory_write(8, &buffer, 4);
297 #endif
298
299 /* Suspend */
300 cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT);
301
302 goto message;
303
304 default:
305 message:
306 printf("%s: machine entered %s mode\n", __func__,
307 pwrmode[value & 7]);
308 }
309 }
310
311 static uint64_t pxa2xx_cppmnc_read(CPUARMState *env, const ARMCPRegInfo *ri)
312 {
313 PXA2xxState *s = (PXA2xxState *)ri->opaque;
314 return s->pmnc;
315 }
316
317 static void pxa2xx_cppmnc_write(CPUARMState *env, const ARMCPRegInfo *ri,
318 uint64_t value)
319 {
320 PXA2xxState *s = (PXA2xxState *)ri->opaque;
321 s->pmnc = value;
322 }
323
324 static uint64_t pxa2xx_cpccnt_read(CPUARMState *env, const ARMCPRegInfo *ri)
325 {
326 PXA2xxState *s = (PXA2xxState *)ri->opaque;
327 if (s->pmnc & 1) {
328 return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
329 } else {
330 return 0;
331 }
332 }
333
334 static const ARMCPRegInfo pxa_cp_reginfo[] = {
335 /* cp14 crm==1: perf registers */
336 { .name = "CPPMNC", .cp = 14, .crn = 0, .crm = 1, .opc1 = 0, .opc2 = 0,
337 .access = PL1_RW, .type = ARM_CP_IO,
338 .readfn = pxa2xx_cppmnc_read, .writefn = pxa2xx_cppmnc_write },
339 { .name = "CPCCNT", .cp = 14, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0,
340 .access = PL1_RW, .type = ARM_CP_IO,
341 .readfn = pxa2xx_cpccnt_read, .writefn = arm_cp_write_ignore },
342 { .name = "CPINTEN", .cp = 14, .crn = 4, .crm = 1, .opc1 = 0, .opc2 = 0,
343 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
344 { .name = "CPFLAG", .cp = 14, .crn = 5, .crm = 1, .opc1 = 0, .opc2 = 0,
345 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
346 { .name = "CPEVTSEL", .cp = 14, .crn = 8, .crm = 1, .opc1 = 0, .opc2 = 0,
347 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
348 /* cp14 crm==2: performance count registers */
349 { .name = "CPPMN0", .cp = 14, .crn = 0, .crm = 2, .opc1 = 0, .opc2 = 0,
350 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
351 { .name = "CPPMN1", .cp = 14, .crn = 1, .crm = 2, .opc1 = 0, .opc2 = 0,
352 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
353 { .name = "CPPMN2", .cp = 14, .crn = 2, .crm = 2, .opc1 = 0, .opc2 = 0,
354 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
355 { .name = "CPPMN3", .cp = 14, .crn = 2, .crm = 3, .opc1 = 0, .opc2 = 0,
356 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
357 /* cp14 crn==6: CLKCFG */
358 { .name = "CLKCFG", .cp = 14, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 0,
359 .access = PL1_RW, .type = ARM_CP_IO,
360 .readfn = pxa2xx_clkcfg_read, .writefn = pxa2xx_clkcfg_write },
361 /* cp14 crn==7: PWRMODE */
362 { .name = "PWRMODE", .cp = 14, .crn = 7, .crm = 0, .opc1 = 0, .opc2 = 0,
363 .access = PL1_RW, .type = ARM_CP_IO,
364 .readfn = arm_cp_read_zero, .writefn = pxa2xx_pwrmode_write },
365 REGINFO_SENTINEL
366 };
367
368 static void pxa2xx_setup_cp14(PXA2xxState *s)
369 {
370 define_arm_cp_regs_with_opaque(s->cpu, pxa_cp_reginfo, s);
371 }
372
373 #define MDCNFG 0x00 /* SDRAM Configuration register */
374 #define MDREFR 0x04 /* SDRAM Refresh Control register */
375 #define MSC0 0x08 /* Static Memory Control register 0 */
376 #define MSC1 0x0c /* Static Memory Control register 1 */
377 #define MSC2 0x10 /* Static Memory Control register 2 */
378 #define MECR 0x14 /* Expansion Memory Bus Config register */
379 #define SXCNFG 0x1c /* Synchronous Static Memory Config register */
380 #define MCMEM0 0x28 /* PC Card Memory Socket 0 Timing register */
381 #define MCMEM1 0x2c /* PC Card Memory Socket 1 Timing register */
382 #define MCATT0 0x30 /* PC Card Attribute Socket 0 register */
383 #define MCATT1 0x34 /* PC Card Attribute Socket 1 register */
384 #define MCIO0 0x38 /* PC Card I/O Socket 0 Timing register */
385 #define MCIO1 0x3c /* PC Card I/O Socket 1 Timing register */
386 #define MDMRS 0x40 /* SDRAM Mode Register Set Config register */
387 #define BOOT_DEF 0x44 /* Boot-time Default Configuration register */
388 #define ARB_CNTL 0x48 /* Arbiter Control register */
389 #define BSCNTR0 0x4c /* Memory Buffer Strength Control register 0 */
390 #define BSCNTR1 0x50 /* Memory Buffer Strength Control register 1 */
391 #define LCDBSCNTR 0x54 /* LCD Buffer Strength Control register */
392 #define MDMRSLP 0x58 /* Low Power SDRAM Mode Set Config register */
393 #define BSCNTR2 0x5c /* Memory Buffer Strength Control register 2 */
394 #define BSCNTR3 0x60 /* Memory Buffer Strength Control register 3 */
395 #define SA1110 0x64 /* SA-1110 Memory Compatibility register */
396
397 static uint64_t pxa2xx_mm_read(void *opaque, hwaddr addr,
398 unsigned size)
399 {
400 PXA2xxState *s = (PXA2xxState *) opaque;
401
402 switch (addr) {
403 case MDCNFG ... SA1110:
404 if ((addr & 3) == 0)
405 return s->mm_regs[addr >> 2];
406
407 default:
408 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
409 break;
410 }
411 return 0;
412 }
413
414 static void pxa2xx_mm_write(void *opaque, hwaddr addr,
415 uint64_t value, unsigned size)
416 {
417 PXA2xxState *s = (PXA2xxState *) opaque;
418
419 switch (addr) {
420 case MDCNFG ... SA1110:
421 if ((addr & 3) == 0) {
422 s->mm_regs[addr >> 2] = value;
423 break;
424 }
425
426 default:
427 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
428 break;
429 }
430 }
431
432 static const MemoryRegionOps pxa2xx_mm_ops = {
433 .read = pxa2xx_mm_read,
434 .write = pxa2xx_mm_write,
435 .endianness = DEVICE_NATIVE_ENDIAN,
436 };
437
438 static const VMStateDescription vmstate_pxa2xx_mm = {
439 .name = "pxa2xx_mm",
440 .version_id = 0,
441 .minimum_version_id = 0,
442 .fields = (VMStateField[]) {
443 VMSTATE_UINT32_ARRAY(mm_regs, PXA2xxState, 0x1a),
444 VMSTATE_END_OF_LIST()
445 }
446 };
447
448 #define TYPE_PXA2XX_SSP "pxa2xx-ssp"
449 #define PXA2XX_SSP(obj) \
450 OBJECT_CHECK(PXA2xxSSPState, (obj), TYPE_PXA2XX_SSP)
451
452 /* Synchronous Serial Ports */
453 typedef struct {
454 /*< private >*/
455 SysBusDevice parent_obj;
456 /*< public >*/
457
458 MemoryRegion iomem;
459 qemu_irq irq;
460 uint32_t enable;
461 SSIBus *bus;
462
463 uint32_t sscr[2];
464 uint32_t sspsp;
465 uint32_t ssto;
466 uint32_t ssitr;
467 uint32_t sssr;
468 uint8_t sstsa;
469 uint8_t ssrsa;
470 uint8_t ssacd;
471
472 uint32_t rx_fifo[16];
473 uint32_t rx_level;
474 uint32_t rx_start;
475 } PXA2xxSSPState;
476
477 static bool pxa2xx_ssp_vmstate_validate(void *opaque, int version_id)
478 {
479 PXA2xxSSPState *s = opaque;
480
481 return s->rx_start < sizeof(s->rx_fifo);
482 }
483
484 static const VMStateDescription vmstate_pxa2xx_ssp = {
485 .name = "pxa2xx-ssp",
486 .version_id = 1,
487 .minimum_version_id = 1,
488 .fields = (VMStateField[]) {
489 VMSTATE_UINT32(enable, PXA2xxSSPState),
490 VMSTATE_UINT32_ARRAY(sscr, PXA2xxSSPState, 2),
491 VMSTATE_UINT32(sspsp, PXA2xxSSPState),
492 VMSTATE_UINT32(ssto, PXA2xxSSPState),
493 VMSTATE_UINT32(ssitr, PXA2xxSSPState),
494 VMSTATE_UINT32(sssr, PXA2xxSSPState),
495 VMSTATE_UINT8(sstsa, PXA2xxSSPState),
496 VMSTATE_UINT8(ssrsa, PXA2xxSSPState),
497 VMSTATE_UINT8(ssacd, PXA2xxSSPState),
498 VMSTATE_UINT32(rx_level, PXA2xxSSPState),
499 VMSTATE_UINT32(rx_start, PXA2xxSSPState),
500 VMSTATE_VALIDATE("fifo is 16 bytes", pxa2xx_ssp_vmstate_validate),
501 VMSTATE_UINT32_ARRAY(rx_fifo, PXA2xxSSPState, 16),
502 VMSTATE_END_OF_LIST()
503 }
504 };
505
506 #define SSCR0 0x00 /* SSP Control register 0 */
507 #define SSCR1 0x04 /* SSP Control register 1 */
508 #define SSSR 0x08 /* SSP Status register */
509 #define SSITR 0x0c /* SSP Interrupt Test register */
510 #define SSDR 0x10 /* SSP Data register */
511 #define SSTO 0x28 /* SSP Time-Out register */
512 #define SSPSP 0x2c /* SSP Programmable Serial Protocol register */
513 #define SSTSA 0x30 /* SSP TX Time Slot Active register */
514 #define SSRSA 0x34 /* SSP RX Time Slot Active register */
515 #define SSTSS 0x38 /* SSP Time Slot Status register */
516 #define SSACD 0x3c /* SSP Audio Clock Divider register */
517
518 /* Bitfields for above registers */
519 #define SSCR0_SPI(x) (((x) & 0x30) == 0x00)
520 #define SSCR0_SSP(x) (((x) & 0x30) == 0x10)
521 #define SSCR0_UWIRE(x) (((x) & 0x30) == 0x20)
522 #define SSCR0_PSP(x) (((x) & 0x30) == 0x30)
523 #define SSCR0_SSE (1 << 7)
524 #define SSCR0_RIM (1 << 22)
525 #define SSCR0_TIM (1 << 23)
526 #define SSCR0_MOD (1U << 31)
527 #define SSCR0_DSS(x) (((((x) >> 16) & 0x10) | ((x) & 0xf)) + 1)
528 #define SSCR1_RIE (1 << 0)
529 #define SSCR1_TIE (1 << 1)
530 #define SSCR1_LBM (1 << 2)
531 #define SSCR1_MWDS (1 << 5)
532 #define SSCR1_TFT(x) ((((x) >> 6) & 0xf) + 1)
533 #define SSCR1_RFT(x) ((((x) >> 10) & 0xf) + 1)
534 #define SSCR1_EFWR (1 << 14)
535 #define SSCR1_PINTE (1 << 18)
536 #define SSCR1_TINTE (1 << 19)
537 #define SSCR1_RSRE (1 << 20)
538 #define SSCR1_TSRE (1 << 21)
539 #define SSCR1_EBCEI (1 << 29)
540 #define SSITR_INT (7 << 5)
541 #define SSSR_TNF (1 << 2)
542 #define SSSR_RNE (1 << 3)
543 #define SSSR_TFS (1 << 5)
544 #define SSSR_RFS (1 << 6)
545 #define SSSR_ROR (1 << 7)
546 #define SSSR_PINT (1 << 18)
547 #define SSSR_TINT (1 << 19)
548 #define SSSR_EOC (1 << 20)
549 #define SSSR_TUR (1 << 21)
550 #define SSSR_BCE (1 << 23)
551 #define SSSR_RW 0x00bc0080
552
553 static void pxa2xx_ssp_int_update(PXA2xxSSPState *s)
554 {
555 int level = 0;
556
557 level |= s->ssitr & SSITR_INT;
558 level |= (s->sssr & SSSR_BCE) && (s->sscr[1] & SSCR1_EBCEI);
559 level |= (s->sssr & SSSR_TUR) && !(s->sscr[0] & SSCR0_TIM);
560 level |= (s->sssr & SSSR_EOC) && (s->sssr & (SSSR_TINT | SSSR_PINT));
561 level |= (s->sssr & SSSR_TINT) && (s->sscr[1] & SSCR1_TINTE);
562 level |= (s->sssr & SSSR_PINT) && (s->sscr[1] & SSCR1_PINTE);
563 level |= (s->sssr & SSSR_ROR) && !(s->sscr[0] & SSCR0_RIM);
564 level |= (s->sssr & SSSR_RFS) && (s->sscr[1] & SSCR1_RIE);
565 level |= (s->sssr & SSSR_TFS) && (s->sscr[1] & SSCR1_TIE);
566 qemu_set_irq(s->irq, !!level);
567 }
568
569 static void pxa2xx_ssp_fifo_update(PXA2xxSSPState *s)
570 {
571 s->sssr &= ~(0xf << 12); /* Clear RFL */
572 s->sssr &= ~(0xf << 8); /* Clear TFL */
573 s->sssr &= ~SSSR_TFS;
574 s->sssr &= ~SSSR_TNF;
575 if (s->enable) {
576 s->sssr |= ((s->rx_level - 1) & 0xf) << 12;
577 if (s->rx_level >= SSCR1_RFT(s->sscr[1]))
578 s->sssr |= SSSR_RFS;
579 else
580 s->sssr &= ~SSSR_RFS;
581 if (s->rx_level)
582 s->sssr |= SSSR_RNE;
583 else
584 s->sssr &= ~SSSR_RNE;
585 /* TX FIFO is never filled, so it is always in underrun
586 condition if SSP is enabled */
587 s->sssr |= SSSR_TFS;
588 s->sssr |= SSSR_TNF;
589 }
590
591 pxa2xx_ssp_int_update(s);
592 }
593
594 static uint64_t pxa2xx_ssp_read(void *opaque, hwaddr addr,
595 unsigned size)
596 {
597 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
598 uint32_t retval;
599
600 switch (addr) {
601 case SSCR0:
602 return s->sscr[0];
603 case SSCR1:
604 return s->sscr[1];
605 case SSPSP:
606 return s->sspsp;
607 case SSTO:
608 return s->ssto;
609 case SSITR:
610 return s->ssitr;
611 case SSSR:
612 return s->sssr | s->ssitr;
613 case SSDR:
614 if (!s->enable)
615 return 0xffffffff;
616 if (s->rx_level < 1) {
617 printf("%s: SSP Rx Underrun\n", __FUNCTION__);
618 return 0xffffffff;
619 }
620 s->rx_level --;
621 retval = s->rx_fifo[s->rx_start ++];
622 s->rx_start &= 0xf;
623 pxa2xx_ssp_fifo_update(s);
624 return retval;
625 case SSTSA:
626 return s->sstsa;
627 case SSRSA:
628 return s->ssrsa;
629 case SSTSS:
630 return 0;
631 case SSACD:
632 return s->ssacd;
633 default:
634 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
635 break;
636 }
637 return 0;
638 }
639
640 static void pxa2xx_ssp_write(void *opaque, hwaddr addr,
641 uint64_t value64, unsigned size)
642 {
643 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
644 uint32_t value = value64;
645
646 switch (addr) {
647 case SSCR0:
648 s->sscr[0] = value & 0xc7ffffff;
649 s->enable = value & SSCR0_SSE;
650 if (value & SSCR0_MOD)
651 printf("%s: Attempt to use network mode\n", __FUNCTION__);
652 if (s->enable && SSCR0_DSS(value) < 4)
653 printf("%s: Wrong data size: %i bits\n", __FUNCTION__,
654 SSCR0_DSS(value));
655 if (!(value & SSCR0_SSE)) {
656 s->sssr = 0;
657 s->ssitr = 0;
658 s->rx_level = 0;
659 }
660 pxa2xx_ssp_fifo_update(s);
661 break;
662
663 case SSCR1:
664 s->sscr[1] = value;
665 if (value & (SSCR1_LBM | SSCR1_EFWR))
666 printf("%s: Attempt to use SSP test mode\n", __FUNCTION__);
667 pxa2xx_ssp_fifo_update(s);
668 break;
669
670 case SSPSP:
671 s->sspsp = value;
672 break;
673
674 case SSTO:
675 s->ssto = value;
676 break;
677
678 case SSITR:
679 s->ssitr = value & SSITR_INT;
680 pxa2xx_ssp_int_update(s);
681 break;
682
683 case SSSR:
684 s->sssr &= ~(value & SSSR_RW);
685 pxa2xx_ssp_int_update(s);
686 break;
687
688 case SSDR:
689 if (SSCR0_UWIRE(s->sscr[0])) {
690 if (s->sscr[1] & SSCR1_MWDS)
691 value &= 0xffff;
692 else
693 value &= 0xff;
694 } else
695 /* Note how 32bits overflow does no harm here */
696 value &= (1 << SSCR0_DSS(s->sscr[0])) - 1;
697
698 /* Data goes from here to the Tx FIFO and is shifted out from
699 * there directly to the slave, no need to buffer it.
700 */
701 if (s->enable) {
702 uint32_t readval;
703 readval = ssi_transfer(s->bus, value);
704 if (s->rx_level < 0x10) {
705 s->rx_fifo[(s->rx_start + s->rx_level ++) & 0xf] = readval;
706 } else {
707 s->sssr |= SSSR_ROR;
708 }
709 }
710 pxa2xx_ssp_fifo_update(s);
711 break;
712
713 case SSTSA:
714 s->sstsa = value;
715 break;
716
717 case SSRSA:
718 s->ssrsa = value;
719 break;
720
721 case SSACD:
722 s->ssacd = value;
723 break;
724
725 default:
726 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
727 break;
728 }
729 }
730
731 static const MemoryRegionOps pxa2xx_ssp_ops = {
732 .read = pxa2xx_ssp_read,
733 .write = pxa2xx_ssp_write,
734 .endianness = DEVICE_NATIVE_ENDIAN,
735 };
736
737 static void pxa2xx_ssp_reset(DeviceState *d)
738 {
739 PXA2xxSSPState *s = PXA2XX_SSP(d);
740
741 s->enable = 0;
742 s->sscr[0] = s->sscr[1] = 0;
743 s->sspsp = 0;
744 s->ssto = 0;
745 s->ssitr = 0;
746 s->sssr = 0;
747 s->sstsa = 0;
748 s->ssrsa = 0;
749 s->ssacd = 0;
750 s->rx_start = s->rx_level = 0;
751 }
752
753 static int pxa2xx_ssp_init(SysBusDevice *sbd)
754 {
755 DeviceState *dev = DEVICE(sbd);
756 PXA2xxSSPState *s = PXA2XX_SSP(dev);
757
758 sysbus_init_irq(sbd, &s->irq);
759
760 memory_region_init_io(&s->iomem, OBJECT(s), &pxa2xx_ssp_ops, s,
761 "pxa2xx-ssp", 0x1000);
762 sysbus_init_mmio(sbd, &s->iomem);
763
764 s->bus = ssi_create_bus(dev, "ssi");
765 return 0;
766 }
767
768 /* Real-Time Clock */
769 #define RCNR 0x00 /* RTC Counter register */
770 #define RTAR 0x04 /* RTC Alarm register */
771 #define RTSR 0x08 /* RTC Status register */
772 #define RTTR 0x0c /* RTC Timer Trim register */
773 #define RDCR 0x10 /* RTC Day Counter register */
774 #define RYCR 0x14 /* RTC Year Counter register */
775 #define RDAR1 0x18 /* RTC Wristwatch Day Alarm register 1 */
776 #define RYAR1 0x1c /* RTC Wristwatch Year Alarm register 1 */
777 #define RDAR2 0x20 /* RTC Wristwatch Day Alarm register 2 */
778 #define RYAR2 0x24 /* RTC Wristwatch Year Alarm register 2 */
779 #define SWCR 0x28 /* RTC Stopwatch Counter register */
780 #define SWAR1 0x2c /* RTC Stopwatch Alarm register 1 */
781 #define SWAR2 0x30 /* RTC Stopwatch Alarm register 2 */
782 #define RTCPICR 0x34 /* RTC Periodic Interrupt Counter register */
783 #define PIAR 0x38 /* RTC Periodic Interrupt Alarm register */
784
785 #define TYPE_PXA2XX_RTC "pxa2xx_rtc"
786 #define PXA2XX_RTC(obj) \
787 OBJECT_CHECK(PXA2xxRTCState, (obj), TYPE_PXA2XX_RTC)
788
789 typedef struct {
790 /*< private >*/
791 SysBusDevice parent_obj;
792 /*< public >*/
793
794 MemoryRegion iomem;
795 uint32_t rttr;
796 uint32_t rtsr;
797 uint32_t rtar;
798 uint32_t rdar1;
799 uint32_t rdar2;
800 uint32_t ryar1;
801 uint32_t ryar2;
802 uint32_t swar1;
803 uint32_t swar2;
804 uint32_t piar;
805 uint32_t last_rcnr;
806 uint32_t last_rdcr;
807 uint32_t last_rycr;
808 uint32_t last_swcr;
809 uint32_t last_rtcpicr;
810 int64_t last_hz;
811 int64_t last_sw;
812 int64_t last_pi;
813 QEMUTimer *rtc_hz;
814 QEMUTimer *rtc_rdal1;
815 QEMUTimer *rtc_rdal2;
816 QEMUTimer *rtc_swal1;
817 QEMUTimer *rtc_swal2;
818 QEMUTimer *rtc_pi;
819 qemu_irq rtc_irq;
820 } PXA2xxRTCState;
821
822 static inline void pxa2xx_rtc_int_update(PXA2xxRTCState *s)
823 {
824 qemu_set_irq(s->rtc_irq, !!(s->rtsr & 0x2553));
825 }
826
827 static void pxa2xx_rtc_hzupdate(PXA2xxRTCState *s)
828 {
829 int64_t rt = qemu_clock_get_ms(rtc_clock);
830 s->last_rcnr += ((rt - s->last_hz) << 15) /
831 (1000 * ((s->rttr & 0xffff) + 1));
832 s->last_rdcr += ((rt - s->last_hz) << 15) /
833 (1000 * ((s->rttr & 0xffff) + 1));
834 s->last_hz = rt;
835 }
836
837 static void pxa2xx_rtc_swupdate(PXA2xxRTCState *s)
838 {
839 int64_t rt = qemu_clock_get_ms(rtc_clock);
840 if (s->rtsr & (1 << 12))
841 s->last_swcr += (rt - s->last_sw) / 10;
842 s->last_sw = rt;
843 }
844
845 static void pxa2xx_rtc_piupdate(PXA2xxRTCState *s)
846 {
847 int64_t rt = qemu_clock_get_ms(rtc_clock);
848 if (s->rtsr & (1 << 15))
849 s->last_swcr += rt - s->last_pi;
850 s->last_pi = rt;
851 }
852
853 static inline void pxa2xx_rtc_alarm_update(PXA2xxRTCState *s,
854 uint32_t rtsr)
855 {
856 if ((rtsr & (1 << 2)) && !(rtsr & (1 << 0)))
857 timer_mod(s->rtc_hz, s->last_hz +
858 (((s->rtar - s->last_rcnr) * 1000 *
859 ((s->rttr & 0xffff) + 1)) >> 15));
860 else
861 timer_del(s->rtc_hz);
862
863 if ((rtsr & (1 << 5)) && !(rtsr & (1 << 4)))
864 timer_mod(s->rtc_rdal1, s->last_hz +
865 (((s->rdar1 - s->last_rdcr) * 1000 *
866 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
867 else
868 timer_del(s->rtc_rdal1);
869
870 if ((rtsr & (1 << 7)) && !(rtsr & (1 << 6)))
871 timer_mod(s->rtc_rdal2, s->last_hz +
872 (((s->rdar2 - s->last_rdcr) * 1000 *
873 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
874 else
875 timer_del(s->rtc_rdal2);
876
877 if ((rtsr & 0x1200) == 0x1200 && !(rtsr & (1 << 8)))
878 timer_mod(s->rtc_swal1, s->last_sw +
879 (s->swar1 - s->last_swcr) * 10); /* TODO: fixup */
880 else
881 timer_del(s->rtc_swal1);
882
883 if ((rtsr & 0x1800) == 0x1800 && !(rtsr & (1 << 10)))
884 timer_mod(s->rtc_swal2, s->last_sw +
885 (s->swar2 - s->last_swcr) * 10); /* TODO: fixup */
886 else
887 timer_del(s->rtc_swal2);
888
889 if ((rtsr & 0xc000) == 0xc000 && !(rtsr & (1 << 13)))
890 timer_mod(s->rtc_pi, s->last_pi +
891 (s->piar & 0xffff) - s->last_rtcpicr);
892 else
893 timer_del(s->rtc_pi);
894 }
895
896 static inline void pxa2xx_rtc_hz_tick(void *opaque)
897 {
898 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
899 s->rtsr |= (1 << 0);
900 pxa2xx_rtc_alarm_update(s, s->rtsr);
901 pxa2xx_rtc_int_update(s);
902 }
903
904 static inline void pxa2xx_rtc_rdal1_tick(void *opaque)
905 {
906 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
907 s->rtsr |= (1 << 4);
908 pxa2xx_rtc_alarm_update(s, s->rtsr);
909 pxa2xx_rtc_int_update(s);
910 }
911
912 static inline void pxa2xx_rtc_rdal2_tick(void *opaque)
913 {
914 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
915 s->rtsr |= (1 << 6);
916 pxa2xx_rtc_alarm_update(s, s->rtsr);
917 pxa2xx_rtc_int_update(s);
918 }
919
920 static inline void pxa2xx_rtc_swal1_tick(void *opaque)
921 {
922 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
923 s->rtsr |= (1 << 8);
924 pxa2xx_rtc_alarm_update(s, s->rtsr);
925 pxa2xx_rtc_int_update(s);
926 }
927
928 static inline void pxa2xx_rtc_swal2_tick(void *opaque)
929 {
930 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
931 s->rtsr |= (1 << 10);
932 pxa2xx_rtc_alarm_update(s, s->rtsr);
933 pxa2xx_rtc_int_update(s);
934 }
935
936 static inline void pxa2xx_rtc_pi_tick(void *opaque)
937 {
938 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
939 s->rtsr |= (1 << 13);
940 pxa2xx_rtc_piupdate(s);
941 s->last_rtcpicr = 0;
942 pxa2xx_rtc_alarm_update(s, s->rtsr);
943 pxa2xx_rtc_int_update(s);
944 }
945
946 static uint64_t pxa2xx_rtc_read(void *opaque, hwaddr addr,
947 unsigned size)
948 {
949 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
950
951 switch (addr) {
952 case RTTR:
953 return s->rttr;
954 case RTSR:
955 return s->rtsr;
956 case RTAR:
957 return s->rtar;
958 case RDAR1:
959 return s->rdar1;
960 case RDAR2:
961 return s->rdar2;
962 case RYAR1:
963 return s->ryar1;
964 case RYAR2:
965 return s->ryar2;
966 case SWAR1:
967 return s->swar1;
968 case SWAR2:
969 return s->swar2;
970 case PIAR:
971 return s->piar;
972 case RCNR:
973 return s->last_rcnr +
974 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) /
975 (1000 * ((s->rttr & 0xffff) + 1));
976 case RDCR:
977 return s->last_rdcr +
978 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) /
979 (1000 * ((s->rttr & 0xffff) + 1));
980 case RYCR:
981 return s->last_rycr;
982 case SWCR:
983 if (s->rtsr & (1 << 12))
984 return s->last_swcr +
985 (qemu_clock_get_ms(rtc_clock) - s->last_sw) / 10;
986 else
987 return s->last_swcr;
988 default:
989 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
990 break;
991 }
992 return 0;
993 }
994
995 static void pxa2xx_rtc_write(void *opaque, hwaddr addr,
996 uint64_t value64, unsigned size)
997 {
998 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
999 uint32_t value = value64;
1000
1001 switch (addr) {
1002 case RTTR:
1003 if (!(s->rttr & (1U << 31))) {
1004 pxa2xx_rtc_hzupdate(s);
1005 s->rttr = value;
1006 pxa2xx_rtc_alarm_update(s, s->rtsr);
1007 }
1008 break;
1009
1010 case RTSR:
1011 if ((s->rtsr ^ value) & (1 << 15))
1012 pxa2xx_rtc_piupdate(s);
1013
1014 if ((s->rtsr ^ value) & (1 << 12))
1015 pxa2xx_rtc_swupdate(s);
1016
1017 if (((s->rtsr ^ value) & 0x4aac) | (value & ~0xdaac))
1018 pxa2xx_rtc_alarm_update(s, value);
1019
1020 s->rtsr = (value & 0xdaac) | (s->rtsr & ~(value & ~0xdaac));
1021 pxa2xx_rtc_int_update(s);
1022 break;
1023
1024 case RTAR:
1025 s->rtar = value;
1026 pxa2xx_rtc_alarm_update(s, s->rtsr);
1027 break;
1028
1029 case RDAR1:
1030 s->rdar1 = value;
1031 pxa2xx_rtc_alarm_update(s, s->rtsr);
1032 break;
1033
1034 case RDAR2:
1035 s->rdar2 = value;
1036 pxa2xx_rtc_alarm_update(s, s->rtsr);
1037 break;
1038
1039 case RYAR1:
1040 s->ryar1 = value;
1041 pxa2xx_rtc_alarm_update(s, s->rtsr);
1042 break;
1043
1044 case RYAR2:
1045 s->ryar2 = value;
1046 pxa2xx_rtc_alarm_update(s, s->rtsr);
1047 break;
1048
1049 case SWAR1:
1050 pxa2xx_rtc_swupdate(s);
1051 s->swar1 = value;
1052 s->last_swcr = 0;
1053 pxa2xx_rtc_alarm_update(s, s->rtsr);
1054 break;
1055
1056 case SWAR2:
1057 s->swar2 = value;
1058 pxa2xx_rtc_alarm_update(s, s->rtsr);
1059 break;
1060
1061 case PIAR:
1062 s->piar = value;
1063 pxa2xx_rtc_alarm_update(s, s->rtsr);
1064 break;
1065
1066 case RCNR:
1067 pxa2xx_rtc_hzupdate(s);
1068 s->last_rcnr = value;
1069 pxa2xx_rtc_alarm_update(s, s->rtsr);
1070 break;
1071
1072 case RDCR:
1073 pxa2xx_rtc_hzupdate(s);
1074 s->last_rdcr = value;
1075 pxa2xx_rtc_alarm_update(s, s->rtsr);
1076 break;
1077
1078 case RYCR:
1079 s->last_rycr = value;
1080 break;
1081
1082 case SWCR:
1083 pxa2xx_rtc_swupdate(s);
1084 s->last_swcr = value;
1085 pxa2xx_rtc_alarm_update(s, s->rtsr);
1086 break;
1087
1088 case RTCPICR:
1089 pxa2xx_rtc_piupdate(s);
1090 s->last_rtcpicr = value & 0xffff;
1091 pxa2xx_rtc_alarm_update(s, s->rtsr);
1092 break;
1093
1094 default:
1095 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1096 }
1097 }
1098
1099 static const MemoryRegionOps pxa2xx_rtc_ops = {
1100 .read = pxa2xx_rtc_read,
1101 .write = pxa2xx_rtc_write,
1102 .endianness = DEVICE_NATIVE_ENDIAN,
1103 };
1104
1105 static int pxa2xx_rtc_init(SysBusDevice *dev)
1106 {
1107 PXA2xxRTCState *s = PXA2XX_RTC(dev);
1108 struct tm tm;
1109 int wom;
1110
1111 s->rttr = 0x7fff;
1112 s->rtsr = 0;
1113
1114 qemu_get_timedate(&tm, 0);
1115 wom = ((tm.tm_mday - 1) / 7) + 1;
1116
1117 s->last_rcnr = (uint32_t) mktimegm(&tm);
1118 s->last_rdcr = (wom << 20) | ((tm.tm_wday + 1) << 17) |
1119 (tm.tm_hour << 12) | (tm.tm_min << 6) | tm.tm_sec;
1120 s->last_rycr = ((tm.tm_year + 1900) << 9) |
1121 ((tm.tm_mon + 1) << 5) | tm.tm_mday;
1122 s->last_swcr = (tm.tm_hour << 19) |
1123 (tm.tm_min << 13) | (tm.tm_sec << 7);
1124 s->last_rtcpicr = 0;
1125 s->last_hz = s->last_sw = s->last_pi = qemu_clock_get_ms(rtc_clock);
1126
1127 s->rtc_hz = timer_new_ms(rtc_clock, pxa2xx_rtc_hz_tick, s);
1128 s->rtc_rdal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal1_tick, s);
1129 s->rtc_rdal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal2_tick, s);
1130 s->rtc_swal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal1_tick, s);
1131 s->rtc_swal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal2_tick, s);
1132 s->rtc_pi = timer_new_ms(rtc_clock, pxa2xx_rtc_pi_tick, s);
1133
1134 sysbus_init_irq(dev, &s->rtc_irq);
1135
1136 memory_region_init_io(&s->iomem, OBJECT(s), &pxa2xx_rtc_ops, s,
1137 "pxa2xx-rtc", 0x10000);
1138 sysbus_init_mmio(dev, &s->iomem);
1139
1140 return 0;
1141 }
1142
1143 static void pxa2xx_rtc_pre_save(void *opaque)
1144 {
1145 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1146
1147 pxa2xx_rtc_hzupdate(s);
1148 pxa2xx_rtc_piupdate(s);
1149 pxa2xx_rtc_swupdate(s);
1150 }
1151
1152 static int pxa2xx_rtc_post_load(void *opaque, int version_id)
1153 {
1154 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1155
1156 pxa2xx_rtc_alarm_update(s, s->rtsr);
1157
1158 return 0;
1159 }
1160
1161 static const VMStateDescription vmstate_pxa2xx_rtc_regs = {
1162 .name = "pxa2xx_rtc",
1163 .version_id = 0,
1164 .minimum_version_id = 0,
1165 .pre_save = pxa2xx_rtc_pre_save,
1166 .post_load = pxa2xx_rtc_post_load,
1167 .fields = (VMStateField[]) {
1168 VMSTATE_UINT32(rttr, PXA2xxRTCState),
1169 VMSTATE_UINT32(rtsr, PXA2xxRTCState),
1170 VMSTATE_UINT32(rtar, PXA2xxRTCState),
1171 VMSTATE_UINT32(rdar1, PXA2xxRTCState),
1172 VMSTATE_UINT32(rdar2, PXA2xxRTCState),
1173 VMSTATE_UINT32(ryar1, PXA2xxRTCState),
1174 VMSTATE_UINT32(ryar2, PXA2xxRTCState),
1175 VMSTATE_UINT32(swar1, PXA2xxRTCState),
1176 VMSTATE_UINT32(swar2, PXA2xxRTCState),
1177 VMSTATE_UINT32(piar, PXA2xxRTCState),
1178 VMSTATE_UINT32(last_rcnr, PXA2xxRTCState),
1179 VMSTATE_UINT32(last_rdcr, PXA2xxRTCState),
1180 VMSTATE_UINT32(last_rycr, PXA2xxRTCState),
1181 VMSTATE_UINT32(last_swcr, PXA2xxRTCState),
1182 VMSTATE_UINT32(last_rtcpicr, PXA2xxRTCState),
1183 VMSTATE_INT64(last_hz, PXA2xxRTCState),
1184 VMSTATE_INT64(last_sw, PXA2xxRTCState),
1185 VMSTATE_INT64(last_pi, PXA2xxRTCState),
1186 VMSTATE_END_OF_LIST(),
1187 },
1188 };
1189
1190 static void pxa2xx_rtc_sysbus_class_init(ObjectClass *klass, void *data)
1191 {
1192 DeviceClass *dc = DEVICE_CLASS(klass);
1193 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1194
1195 k->init = pxa2xx_rtc_init;
1196 dc->desc = "PXA2xx RTC Controller";
1197 dc->vmsd = &vmstate_pxa2xx_rtc_regs;
1198 }
1199
1200 static const TypeInfo pxa2xx_rtc_sysbus_info = {
1201 .name = TYPE_PXA2XX_RTC,
1202 .parent = TYPE_SYS_BUS_DEVICE,
1203 .instance_size = sizeof(PXA2xxRTCState),
1204 .class_init = pxa2xx_rtc_sysbus_class_init,
1205 };
1206
1207 /* I2C Interface */
1208
1209 #define TYPE_PXA2XX_I2C_SLAVE "pxa2xx-i2c-slave"
1210 #define PXA2XX_I2C_SLAVE(obj) \
1211 OBJECT_CHECK(PXA2xxI2CSlaveState, (obj), TYPE_PXA2XX_I2C_SLAVE)
1212
1213 typedef struct PXA2xxI2CSlaveState {
1214 I2CSlave parent_obj;
1215
1216 PXA2xxI2CState *host;
1217 } PXA2xxI2CSlaveState;
1218
1219 #define TYPE_PXA2XX_I2C "pxa2xx_i2c"
1220 #define PXA2XX_I2C(obj) \
1221 OBJECT_CHECK(PXA2xxI2CState, (obj), TYPE_PXA2XX_I2C)
1222
1223 struct PXA2xxI2CState {
1224 /*< private >*/
1225 SysBusDevice parent_obj;
1226 /*< public >*/
1227
1228 MemoryRegion iomem;
1229 PXA2xxI2CSlaveState *slave;
1230 I2CBus *bus;
1231 qemu_irq irq;
1232 uint32_t offset;
1233 uint32_t region_size;
1234
1235 uint16_t control;
1236 uint16_t status;
1237 uint8_t ibmr;
1238 uint8_t data;
1239 };
1240
1241 #define IBMR 0x80 /* I2C Bus Monitor register */
1242 #define IDBR 0x88 /* I2C Data Buffer register */
1243 #define ICR 0x90 /* I2C Control register */
1244 #define ISR 0x98 /* I2C Status register */
1245 #define ISAR 0xa0 /* I2C Slave Address register */
1246
1247 static void pxa2xx_i2c_update(PXA2xxI2CState *s)
1248 {
1249 uint16_t level = 0;
1250 level |= s->status & s->control & (1 << 10); /* BED */
1251 level |= (s->status & (1 << 7)) && (s->control & (1 << 9)); /* IRF */
1252 level |= (s->status & (1 << 6)) && (s->control & (1 << 8)); /* ITE */
1253 level |= s->status & (1 << 9); /* SAD */
1254 qemu_set_irq(s->irq, !!level);
1255 }
1256
1257 /* These are only stubs now. */
1258 static void pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event)
1259 {
1260 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1261 PXA2xxI2CState *s = slave->host;
1262
1263 switch (event) {
1264 case I2C_START_SEND:
1265 s->status |= (1 << 9); /* set SAD */
1266 s->status &= ~(1 << 0); /* clear RWM */
1267 break;
1268 case I2C_START_RECV:
1269 s->status |= (1 << 9); /* set SAD */
1270 s->status |= 1 << 0; /* set RWM */
1271 break;
1272 case I2C_FINISH:
1273 s->status |= (1 << 4); /* set SSD */
1274 break;
1275 case I2C_NACK:
1276 s->status |= 1 << 1; /* set ACKNAK */
1277 break;
1278 }
1279 pxa2xx_i2c_update(s);
1280 }
1281
1282 static int pxa2xx_i2c_rx(I2CSlave *i2c)
1283 {
1284 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1285 PXA2xxI2CState *s = slave->host;
1286
1287 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1288 return 0;
1289 }
1290
1291 if (s->status & (1 << 0)) { /* RWM */
1292 s->status |= 1 << 6; /* set ITE */
1293 }
1294 pxa2xx_i2c_update(s);
1295
1296 return s->data;
1297 }
1298
1299 static int pxa2xx_i2c_tx(I2CSlave *i2c, uint8_t data)
1300 {
1301 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1302 PXA2xxI2CState *s = slave->host;
1303
1304 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1305 return 1;
1306 }
1307
1308 if (!(s->status & (1 << 0))) { /* RWM */
1309 s->status |= 1 << 7; /* set IRF */
1310 s->data = data;
1311 }
1312 pxa2xx_i2c_update(s);
1313
1314 return 1;
1315 }
1316
1317 static uint64_t pxa2xx_i2c_read(void *opaque, hwaddr addr,
1318 unsigned size)
1319 {
1320 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1321 I2CSlave *slave;
1322
1323 addr -= s->offset;
1324 switch (addr) {
1325 case ICR:
1326 return s->control;
1327 case ISR:
1328 return s->status | (i2c_bus_busy(s->bus) << 2);
1329 case ISAR:
1330 slave = I2C_SLAVE(s->slave);
1331 return slave->address;
1332 case IDBR:
1333 return s->data;
1334 case IBMR:
1335 if (s->status & (1 << 2))
1336 s->ibmr ^= 3; /* Fake SCL and SDA pin changes */
1337 else
1338 s->ibmr = 0;
1339 return s->ibmr;
1340 default:
1341 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1342 break;
1343 }
1344 return 0;
1345 }
1346
1347 static void pxa2xx_i2c_write(void *opaque, hwaddr addr,
1348 uint64_t value64, unsigned size)
1349 {
1350 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1351 uint32_t value = value64;
1352 int ack;
1353
1354 addr -= s->offset;
1355 switch (addr) {
1356 case ICR:
1357 s->control = value & 0xfff7;
1358 if ((value & (1 << 3)) && (value & (1 << 6))) { /* TB and IUE */
1359 /* TODO: slave mode */
1360 if (value & (1 << 0)) { /* START condition */
1361 if (s->data & 1)
1362 s->status |= 1 << 0; /* set RWM */
1363 else
1364 s->status &= ~(1 << 0); /* clear RWM */
1365 ack = !i2c_start_transfer(s->bus, s->data >> 1, s->data & 1);
1366 } else {
1367 if (s->status & (1 << 0)) { /* RWM */
1368 s->data = i2c_recv(s->bus);
1369 if (value & (1 << 2)) /* ACKNAK */
1370 i2c_nack(s->bus);
1371 ack = 1;
1372 } else
1373 ack = !i2c_send(s->bus, s->data);
1374 }
1375
1376 if (value & (1 << 1)) /* STOP condition */
1377 i2c_end_transfer(s->bus);
1378
1379 if (ack) {
1380 if (value & (1 << 0)) /* START condition */
1381 s->status |= 1 << 6; /* set ITE */
1382 else
1383 if (s->status & (1 << 0)) /* RWM */
1384 s->status |= 1 << 7; /* set IRF */
1385 else
1386 s->status |= 1 << 6; /* set ITE */
1387 s->status &= ~(1 << 1); /* clear ACKNAK */
1388 } else {
1389 s->status |= 1 << 6; /* set ITE */
1390 s->status |= 1 << 10; /* set BED */
1391 s->status |= 1 << 1; /* set ACKNAK */
1392 }
1393 }
1394 if (!(value & (1 << 3)) && (value & (1 << 6))) /* !TB and IUE */
1395 if (value & (1 << 4)) /* MA */
1396 i2c_end_transfer(s->bus);
1397 pxa2xx_i2c_update(s);
1398 break;
1399
1400 case ISR:
1401 s->status &= ~(value & 0x07f0);
1402 pxa2xx_i2c_update(s);
1403 break;
1404
1405 case ISAR:
1406 i2c_set_slave_address(I2C_SLAVE(s->slave), value & 0x7f);
1407 break;
1408
1409 case IDBR:
1410 s->data = value & 0xff;
1411 break;
1412
1413 default:
1414 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1415 }
1416 }
1417
1418 static const MemoryRegionOps pxa2xx_i2c_ops = {
1419 .read = pxa2xx_i2c_read,
1420 .write = pxa2xx_i2c_write,
1421 .endianness = DEVICE_NATIVE_ENDIAN,
1422 };
1423
1424 static const VMStateDescription vmstate_pxa2xx_i2c_slave = {
1425 .name = "pxa2xx_i2c_slave",
1426 .version_id = 1,
1427 .minimum_version_id = 1,
1428 .fields = (VMStateField[]) {
1429 VMSTATE_I2C_SLAVE(parent_obj, PXA2xxI2CSlaveState),
1430 VMSTATE_END_OF_LIST()
1431 }
1432 };
1433
1434 static const VMStateDescription vmstate_pxa2xx_i2c = {
1435 .name = "pxa2xx_i2c",
1436 .version_id = 1,
1437 .minimum_version_id = 1,
1438 .fields = (VMStateField[]) {
1439 VMSTATE_UINT16(control, PXA2xxI2CState),
1440 VMSTATE_UINT16(status, PXA2xxI2CState),
1441 VMSTATE_UINT8(ibmr, PXA2xxI2CState),
1442 VMSTATE_UINT8(data, PXA2xxI2CState),
1443 VMSTATE_STRUCT_POINTER(slave, PXA2xxI2CState,
1444 vmstate_pxa2xx_i2c_slave, PXA2xxI2CSlaveState),
1445 VMSTATE_END_OF_LIST()
1446 }
1447 };
1448
1449 static int pxa2xx_i2c_slave_init(I2CSlave *i2c)
1450 {
1451 /* Nothing to do. */
1452 return 0;
1453 }
1454
1455 static void pxa2xx_i2c_slave_class_init(ObjectClass *klass, void *data)
1456 {
1457 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
1458
1459 k->init = pxa2xx_i2c_slave_init;
1460 k->event = pxa2xx_i2c_event;
1461 k->recv = pxa2xx_i2c_rx;
1462 k->send = pxa2xx_i2c_tx;
1463 }
1464
1465 static const TypeInfo pxa2xx_i2c_slave_info = {
1466 .name = TYPE_PXA2XX_I2C_SLAVE,
1467 .parent = TYPE_I2C_SLAVE,
1468 .instance_size = sizeof(PXA2xxI2CSlaveState),
1469 .class_init = pxa2xx_i2c_slave_class_init,
1470 };
1471
1472 PXA2xxI2CState *pxa2xx_i2c_init(hwaddr base,
1473 qemu_irq irq, uint32_t region_size)
1474 {
1475 DeviceState *dev;
1476 SysBusDevice *i2c_dev;
1477 PXA2xxI2CState *s;
1478 I2CBus *i2cbus;
1479
1480 dev = qdev_create(NULL, TYPE_PXA2XX_I2C);
1481 qdev_prop_set_uint32(dev, "size", region_size + 1);
1482 qdev_prop_set_uint32(dev, "offset", base & region_size);
1483 qdev_init_nofail(dev);
1484
1485 i2c_dev = SYS_BUS_DEVICE(dev);
1486 sysbus_mmio_map(i2c_dev, 0, base & ~region_size);
1487 sysbus_connect_irq(i2c_dev, 0, irq);
1488
1489 s = PXA2XX_I2C(i2c_dev);
1490 /* FIXME: Should the slave device really be on a separate bus? */
1491 i2cbus = i2c_init_bus(dev, "dummy");
1492 dev = i2c_create_slave(i2cbus, TYPE_PXA2XX_I2C_SLAVE, 0);
1493 s->slave = PXA2XX_I2C_SLAVE(dev);
1494 s->slave->host = s;
1495
1496 return s;
1497 }
1498
1499 static int pxa2xx_i2c_initfn(SysBusDevice *sbd)
1500 {
1501 DeviceState *dev = DEVICE(sbd);
1502 PXA2xxI2CState *s = PXA2XX_I2C(dev);
1503
1504 s->bus = i2c_init_bus(dev, "i2c");
1505
1506 memory_region_init_io(&s->iomem, OBJECT(s), &pxa2xx_i2c_ops, s,
1507 "pxa2xx-i2c", s->region_size);
1508 sysbus_init_mmio(sbd, &s->iomem);
1509 sysbus_init_irq(sbd, &s->irq);
1510
1511 return 0;
1512 }
1513
1514 I2CBus *pxa2xx_i2c_bus(PXA2xxI2CState *s)
1515 {
1516 return s->bus;
1517 }
1518
1519 static Property pxa2xx_i2c_properties[] = {
1520 DEFINE_PROP_UINT32("size", PXA2xxI2CState, region_size, 0x10000),
1521 DEFINE_PROP_UINT32("offset", PXA2xxI2CState, offset, 0),
1522 DEFINE_PROP_END_OF_LIST(),
1523 };
1524
1525 static void pxa2xx_i2c_class_init(ObjectClass *klass, void *data)
1526 {
1527 DeviceClass *dc = DEVICE_CLASS(klass);
1528 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1529
1530 k->init = pxa2xx_i2c_initfn;
1531 dc->desc = "PXA2xx I2C Bus Controller";
1532 dc->vmsd = &vmstate_pxa2xx_i2c;
1533 dc->props = pxa2xx_i2c_properties;
1534 }
1535
1536 static const TypeInfo pxa2xx_i2c_info = {
1537 .name = TYPE_PXA2XX_I2C,
1538 .parent = TYPE_SYS_BUS_DEVICE,
1539 .instance_size = sizeof(PXA2xxI2CState),
1540 .class_init = pxa2xx_i2c_class_init,
1541 };
1542
1543 /* PXA Inter-IC Sound Controller */
1544 static void pxa2xx_i2s_reset(PXA2xxI2SState *i2s)
1545 {
1546 i2s->rx_len = 0;
1547 i2s->tx_len = 0;
1548 i2s->fifo_len = 0;
1549 i2s->clk = 0x1a;
1550 i2s->control[0] = 0x00;
1551 i2s->control[1] = 0x00;
1552 i2s->status = 0x00;
1553 i2s->mask = 0x00;
1554 }
1555
1556 #define SACR_TFTH(val) ((val >> 8) & 0xf)
1557 #define SACR_RFTH(val) ((val >> 12) & 0xf)
1558 #define SACR_DREC(val) (val & (1 << 3))
1559 #define SACR_DPRL(val) (val & (1 << 4))
1560
1561 static inline void pxa2xx_i2s_update(PXA2xxI2SState *i2s)
1562 {
1563 int rfs, tfs;
1564 rfs = SACR_RFTH(i2s->control[0]) < i2s->rx_len &&
1565 !SACR_DREC(i2s->control[1]);
1566 tfs = (i2s->tx_len || i2s->fifo_len < SACR_TFTH(i2s->control[0])) &&
1567 i2s->enable && !SACR_DPRL(i2s->control[1]);
1568
1569 qemu_set_irq(i2s->rx_dma, rfs);
1570 qemu_set_irq(i2s->tx_dma, tfs);
1571
1572 i2s->status &= 0xe0;
1573 if (i2s->fifo_len < 16 || !i2s->enable)
1574 i2s->status |= 1 << 0; /* TNF */
1575 if (i2s->rx_len)
1576 i2s->status |= 1 << 1; /* RNE */
1577 if (i2s->enable)
1578 i2s->status |= 1 << 2; /* BSY */
1579 if (tfs)
1580 i2s->status |= 1 << 3; /* TFS */
1581 if (rfs)
1582 i2s->status |= 1 << 4; /* RFS */
1583 if (!(i2s->tx_len && i2s->enable))
1584 i2s->status |= i2s->fifo_len << 8; /* TFL */
1585 i2s->status |= MAX(i2s->rx_len, 0xf) << 12; /* RFL */
1586
1587 qemu_set_irq(i2s->irq, i2s->status & i2s->mask);
1588 }
1589
1590 #define SACR0 0x00 /* Serial Audio Global Control register */
1591 #define SACR1 0x04 /* Serial Audio I2S/MSB-Justified Control register */
1592 #define SASR0 0x0c /* Serial Audio Interface and FIFO Status register */
1593 #define SAIMR 0x14 /* Serial Audio Interrupt Mask register */
1594 #define SAICR 0x18 /* Serial Audio Interrupt Clear register */
1595 #define SADIV 0x60 /* Serial Audio Clock Divider register */
1596 #define SADR 0x80 /* Serial Audio Data register */
1597
1598 static uint64_t pxa2xx_i2s_read(void *opaque, hwaddr addr,
1599 unsigned size)
1600 {
1601 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1602
1603 switch (addr) {
1604 case SACR0:
1605 return s->control[0];
1606 case SACR1:
1607 return s->control[1];
1608 case SASR0:
1609 return s->status;
1610 case SAIMR:
1611 return s->mask;
1612 case SAICR:
1613 return 0;
1614 case SADIV:
1615 return s->clk;
1616 case SADR:
1617 if (s->rx_len > 0) {
1618 s->rx_len --;
1619 pxa2xx_i2s_update(s);
1620 return s->codec_in(s->opaque);
1621 }
1622 return 0;
1623 default:
1624 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1625 break;
1626 }
1627 return 0;
1628 }
1629
1630 static void pxa2xx_i2s_write(void *opaque, hwaddr addr,
1631 uint64_t value, unsigned size)
1632 {
1633 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1634 uint32_t *sample;
1635
1636 switch (addr) {
1637 case SACR0:
1638 if (value & (1 << 3)) /* RST */
1639 pxa2xx_i2s_reset(s);
1640 s->control[0] = value & 0xff3d;
1641 if (!s->enable && (value & 1) && s->tx_len) { /* ENB */
1642 for (sample = s->fifo; s->fifo_len > 0; s->fifo_len --, sample ++)
1643 s->codec_out(s->opaque, *sample);
1644 s->status &= ~(1 << 7); /* I2SOFF */
1645 }
1646 if (value & (1 << 4)) /* EFWR */
1647 printf("%s: Attempt to use special function\n", __FUNCTION__);
1648 s->enable = (value & 9) == 1; /* ENB && !RST*/
1649 pxa2xx_i2s_update(s);
1650 break;
1651 case SACR1:
1652 s->control[1] = value & 0x0039;
1653 if (value & (1 << 5)) /* ENLBF */
1654 printf("%s: Attempt to use loopback function\n", __FUNCTION__);
1655 if (value & (1 << 4)) /* DPRL */
1656 s->fifo_len = 0;
1657 pxa2xx_i2s_update(s);
1658 break;
1659 case SAIMR:
1660 s->mask = value & 0x0078;
1661 pxa2xx_i2s_update(s);
1662 break;
1663 case SAICR:
1664 s->status &= ~(value & (3 << 5));
1665 pxa2xx_i2s_update(s);
1666 break;
1667 case SADIV:
1668 s->clk = value & 0x007f;
1669 break;
1670 case SADR:
1671 if (s->tx_len && s->enable) {
1672 s->tx_len --;
1673 pxa2xx_i2s_update(s);
1674 s->codec_out(s->opaque, value);
1675 } else if (s->fifo_len < 16) {
1676 s->fifo[s->fifo_len ++] = value;
1677 pxa2xx_i2s_update(s);
1678 }
1679 break;
1680 default:
1681 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1682 }
1683 }
1684
1685 static const MemoryRegionOps pxa2xx_i2s_ops = {
1686 .read = pxa2xx_i2s_read,
1687 .write = pxa2xx_i2s_write,
1688 .endianness = DEVICE_NATIVE_ENDIAN,
1689 };
1690
1691 static const VMStateDescription vmstate_pxa2xx_i2s = {
1692 .name = "pxa2xx_i2s",
1693 .version_id = 0,
1694 .minimum_version_id = 0,
1695 .fields = (VMStateField[]) {
1696 VMSTATE_UINT32_ARRAY(control, PXA2xxI2SState, 2),
1697 VMSTATE_UINT32(status, PXA2xxI2SState),
1698 VMSTATE_UINT32(mask, PXA2xxI2SState),
1699 VMSTATE_UINT32(clk, PXA2xxI2SState),
1700 VMSTATE_INT32(enable, PXA2xxI2SState),
1701 VMSTATE_INT32(rx_len, PXA2xxI2SState),
1702 VMSTATE_INT32(tx_len, PXA2xxI2SState),
1703 VMSTATE_INT32(fifo_len, PXA2xxI2SState),
1704 VMSTATE_END_OF_LIST()
1705 }
1706 };
1707
1708 static void pxa2xx_i2s_data_req(void *opaque, int tx, int rx)
1709 {
1710 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1711 uint32_t *sample;
1712
1713 /* Signal FIFO errors */
1714 if (s->enable && s->tx_len)
1715 s->status |= 1 << 5; /* TUR */
1716 if (s->enable && s->rx_len)
1717 s->status |= 1 << 6; /* ROR */
1718
1719 /* Should be tx - MIN(tx, s->fifo_len) but we don't really need to
1720 * handle the cases where it makes a difference. */
1721 s->tx_len = tx - s->fifo_len;
1722 s->rx_len = rx;
1723 /* Note that is s->codec_out wasn't set, we wouldn't get called. */
1724 if (s->enable)
1725 for (sample = s->fifo; s->fifo_len; s->fifo_len --, sample ++)
1726 s->codec_out(s->opaque, *sample);
1727 pxa2xx_i2s_update(s);
1728 }
1729
1730 static PXA2xxI2SState *pxa2xx_i2s_init(MemoryRegion *sysmem,
1731 hwaddr base,
1732 qemu_irq irq, qemu_irq rx_dma, qemu_irq tx_dma)
1733 {
1734 PXA2xxI2SState *s = g_new0(PXA2xxI2SState, 1);
1735
1736 s->irq = irq;
1737 s->rx_dma = rx_dma;
1738 s->tx_dma = tx_dma;
1739 s->data_req = pxa2xx_i2s_data_req;
1740
1741 pxa2xx_i2s_reset(s);
1742
1743 memory_region_init_io(&s->iomem, NULL, &pxa2xx_i2s_ops, s,
1744 "pxa2xx-i2s", 0x100000);
1745 memory_region_add_subregion(sysmem, base, &s->iomem);
1746
1747 vmstate_register(NULL, base, &vmstate_pxa2xx_i2s, s);
1748
1749 return s;
1750 }
1751
1752 /* PXA Fast Infra-red Communications Port */
1753 #define TYPE_PXA2XX_FIR "pxa2xx-fir"
1754 #define PXA2XX_FIR(obj) OBJECT_CHECK(PXA2xxFIrState, (obj), TYPE_PXA2XX_FIR)
1755
1756 struct PXA2xxFIrState {
1757 /*< private >*/
1758 SysBusDevice parent_obj;
1759 /*< public >*/
1760
1761 MemoryRegion iomem;
1762 qemu_irq irq;
1763 qemu_irq rx_dma;
1764 qemu_irq tx_dma;
1765 uint32_t enable;
1766 CharDriverState *chr;
1767
1768 uint8_t control[3];
1769 uint8_t status[2];
1770
1771 uint32_t rx_len;
1772 uint32_t rx_start;
1773 uint8_t rx_fifo[64];
1774 };
1775
1776 static void pxa2xx_fir_reset(DeviceState *d)
1777 {
1778 PXA2xxFIrState *s = PXA2XX_FIR(d);
1779
1780 s->control[0] = 0x00;
1781 s->control[1] = 0x00;
1782 s->control[2] = 0x00;
1783 s->status[0] = 0x00;
1784 s->status[1] = 0x00;
1785 s->enable = 0;
1786 }
1787
1788 static inline void pxa2xx_fir_update(PXA2xxFIrState *s)
1789 {
1790 static const int tresh[4] = { 8, 16, 32, 0 };
1791 int intr = 0;
1792 if ((s->control[0] & (1 << 4)) && /* RXE */
1793 s->rx_len >= tresh[s->control[2] & 3]) /* TRIG */
1794 s->status[0] |= 1 << 4; /* RFS */
1795 else
1796 s->status[0] &= ~(1 << 4); /* RFS */
1797 if (s->control[0] & (1 << 3)) /* TXE */
1798 s->status[0] |= 1 << 3; /* TFS */
1799 else
1800 s->status[0] &= ~(1 << 3); /* TFS */
1801 if (s->rx_len)
1802 s->status[1] |= 1 << 2; /* RNE */
1803 else
1804 s->status[1] &= ~(1 << 2); /* RNE */
1805 if (s->control[0] & (1 << 4)) /* RXE */
1806 s->status[1] |= 1 << 0; /* RSY */
1807 else
1808 s->status[1] &= ~(1 << 0); /* RSY */
1809
1810 intr |= (s->control[0] & (1 << 5)) && /* RIE */
1811 (s->status[0] & (1 << 4)); /* RFS */
1812 intr |= (s->control[0] & (1 << 6)) && /* TIE */
1813 (s->status[0] & (1 << 3)); /* TFS */
1814 intr |= (s->control[2] & (1 << 4)) && /* TRAIL */
1815 (s->status[0] & (1 << 6)); /* EOC */
1816 intr |= (s->control[0] & (1 << 2)) && /* TUS */
1817 (s->status[0] & (1 << 1)); /* TUR */
1818 intr |= s->status[0] & 0x25; /* FRE, RAB, EIF */
1819
1820 qemu_set_irq(s->rx_dma, (s->status[0] >> 4) & 1);
1821 qemu_set_irq(s->tx_dma, (s->status[0] >> 3) & 1);
1822
1823 qemu_set_irq(s->irq, intr && s->enable);
1824 }
1825
1826 #define ICCR0 0x00 /* FICP Control register 0 */
1827 #define ICCR1 0x04 /* FICP Control register 1 */
1828 #define ICCR2 0x08 /* FICP Control register 2 */
1829 #define ICDR 0x0c /* FICP Data register */
1830 #define ICSR0 0x14 /* FICP Status register 0 */
1831 #define ICSR1 0x18 /* FICP Status register 1 */
1832 #define ICFOR 0x1c /* FICP FIFO Occupancy Status register */
1833
1834 static uint64_t pxa2xx_fir_read(void *opaque, hwaddr addr,
1835 unsigned size)
1836 {
1837 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1838 uint8_t ret;
1839
1840 switch (addr) {
1841 case ICCR0:
1842 return s->control[0];
1843 case ICCR1:
1844 return s->control[1];
1845 case ICCR2:
1846 return s->control[2];
1847 case ICDR:
1848 s->status[0] &= ~0x01;
1849 s->status[1] &= ~0x72;
1850 if (s->rx_len) {
1851 s->rx_len --;
1852 ret = s->rx_fifo[s->rx_start ++];
1853 s->rx_start &= 63;
1854 pxa2xx_fir_update(s);
1855 return ret;
1856 }
1857 printf("%s: Rx FIFO underrun.\n", __FUNCTION__);
1858 break;
1859 case ICSR0:
1860 return s->status[0];
1861 case ICSR1:
1862 return s->status[1] | (1 << 3); /* TNF */
1863 case ICFOR:
1864 return s->rx_len;
1865 default:
1866 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1867 break;
1868 }
1869 return 0;
1870 }
1871
1872 static void pxa2xx_fir_write(void *opaque, hwaddr addr,
1873 uint64_t value64, unsigned size)
1874 {
1875 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1876 uint32_t value = value64;
1877 uint8_t ch;
1878
1879 switch (addr) {
1880 case ICCR0:
1881 s->control[0] = value;
1882 if (!(value & (1 << 4))) /* RXE */
1883 s->rx_len = s->rx_start = 0;
1884 if (!(value & (1 << 3))) { /* TXE */
1885 /* Nop */
1886 }
1887 s->enable = value & 1; /* ITR */
1888 if (!s->enable)
1889 s->status[0] = 0;
1890 pxa2xx_fir_update(s);
1891 break;
1892 case ICCR1:
1893 s->control[1] = value;
1894 break;
1895 case ICCR2:
1896 s->control[2] = value & 0x3f;
1897 pxa2xx_fir_update(s);
1898 break;
1899 case ICDR:
1900 if (s->control[2] & (1 << 2)) /* TXP */
1901 ch = value;
1902 else
1903 ch = ~value;
1904 if (s->chr && s->enable && (s->control[0] & (1 << 3))) /* TXE */
1905 qemu_chr_fe_write(s->chr, &ch, 1);
1906 break;
1907 case ICSR0:
1908 s->status[0] &= ~(value & 0x66);
1909 pxa2xx_fir_update(s);
1910 break;
1911 case ICFOR:
1912 break;
1913 default:
1914 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1915 }
1916 }
1917
1918 static const MemoryRegionOps pxa2xx_fir_ops = {
1919 .read = pxa2xx_fir_read,
1920 .write = pxa2xx_fir_write,
1921 .endianness = DEVICE_NATIVE_ENDIAN,
1922 };
1923
1924 static int pxa2xx_fir_is_empty(void *opaque)
1925 {
1926 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1927 return (s->rx_len < 64);
1928 }
1929
1930 static void pxa2xx_fir_rx(void *opaque, const uint8_t *buf, int size)
1931 {
1932 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1933 if (!(s->control[0] & (1 << 4))) /* RXE */
1934 return;
1935
1936 while (size --) {
1937 s->status[1] |= 1 << 4; /* EOF */
1938 if (s->rx_len >= 64) {
1939 s->status[1] |= 1 << 6; /* ROR */
1940 break;
1941 }
1942
1943 if (s->control[2] & (1 << 3)) /* RXP */
1944 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = *(buf ++);
1945 else
1946 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = ~*(buf ++);
1947 }
1948
1949 pxa2xx_fir_update(s);
1950 }
1951
1952 static void pxa2xx_fir_event(void *opaque, int event)
1953 {
1954 }
1955
1956 static void pxa2xx_fir_instance_init(Object *obj)
1957 {
1958 PXA2xxFIrState *s = PXA2XX_FIR(obj);
1959 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
1960
1961 memory_region_init_io(&s->iomem, obj, &pxa2xx_fir_ops, s,
1962 "pxa2xx-fir", 0x1000);
1963 sysbus_init_mmio(sbd, &s->iomem);
1964 sysbus_init_irq(sbd, &s->irq);
1965 sysbus_init_irq(sbd, &s->rx_dma);
1966 sysbus_init_irq(sbd, &s->tx_dma);
1967 }
1968
1969 static void pxa2xx_fir_realize(DeviceState *dev, Error **errp)
1970 {
1971 PXA2xxFIrState *s = PXA2XX_FIR(dev);
1972
1973 if (s->chr) {
1974 qemu_chr_fe_claim_no_fail(s->chr);
1975 qemu_chr_add_handlers(s->chr, pxa2xx_fir_is_empty,
1976 pxa2xx_fir_rx, pxa2xx_fir_event, s);
1977 }
1978 }
1979
1980 static bool pxa2xx_fir_vmstate_validate(void *opaque, int version_id)
1981 {
1982 PXA2xxFIrState *s = opaque;
1983
1984 return s->rx_start < ARRAY_SIZE(s->rx_fifo);
1985 }
1986
1987 static const VMStateDescription pxa2xx_fir_vmsd = {
1988 .name = "pxa2xx-fir",
1989 .version_id = 1,
1990 .minimum_version_id = 1,
1991 .fields = (VMStateField[]) {
1992 VMSTATE_UINT32(enable, PXA2xxFIrState),
1993 VMSTATE_UINT8_ARRAY(control, PXA2xxFIrState, 3),
1994 VMSTATE_UINT8_ARRAY(status, PXA2xxFIrState, 2),
1995 VMSTATE_UINT32(rx_len, PXA2xxFIrState),
1996 VMSTATE_UINT32(rx_start, PXA2xxFIrState),
1997 VMSTATE_VALIDATE("fifo is 64 bytes", pxa2xx_fir_vmstate_validate),
1998 VMSTATE_UINT8_ARRAY(rx_fifo, PXA2xxFIrState, 64),
1999 VMSTATE_END_OF_LIST()
2000 }
2001 };
2002
2003 static Property pxa2xx_fir_properties[] = {
2004 DEFINE_PROP_CHR("chardev", PXA2xxFIrState, chr),
2005 DEFINE_PROP_END_OF_LIST(),
2006 };
2007
2008 static void pxa2xx_fir_class_init(ObjectClass *klass, void *data)
2009 {
2010 DeviceClass *dc = DEVICE_CLASS(klass);
2011
2012 dc->realize = pxa2xx_fir_realize;
2013 dc->vmsd = &pxa2xx_fir_vmsd;
2014 dc->props = pxa2xx_fir_properties;
2015 dc->reset = pxa2xx_fir_reset;
2016 }
2017
2018 static const TypeInfo pxa2xx_fir_info = {
2019 .name = TYPE_PXA2XX_FIR,
2020 .parent = TYPE_SYS_BUS_DEVICE,
2021 .instance_size = sizeof(PXA2xxFIrState),
2022 .class_init = pxa2xx_fir_class_init,
2023 .instance_init = pxa2xx_fir_instance_init,
2024 };
2025
2026 static PXA2xxFIrState *pxa2xx_fir_init(MemoryRegion *sysmem,
2027 hwaddr base,
2028 qemu_irq irq, qemu_irq rx_dma,
2029 qemu_irq tx_dma,
2030 CharDriverState *chr)
2031 {
2032 DeviceState *dev;
2033 SysBusDevice *sbd;
2034
2035 dev = qdev_create(NULL, TYPE_PXA2XX_FIR);
2036 qdev_prop_set_chr(dev, "chardev", chr);
2037 qdev_init_nofail(dev);
2038 sbd = SYS_BUS_DEVICE(dev);
2039 sysbus_mmio_map(sbd, 0, base);
2040 sysbus_connect_irq(sbd, 0, irq);
2041 sysbus_connect_irq(sbd, 1, rx_dma);
2042 sysbus_connect_irq(sbd, 2, tx_dma);
2043 return PXA2XX_FIR(dev);
2044 }
2045
2046 static void pxa2xx_reset(void *opaque, int line, int level)
2047 {
2048 PXA2xxState *s = (PXA2xxState *) opaque;
2049
2050 if (level && (s->pm_regs[PCFR >> 2] & 0x10)) { /* GPR_EN */
2051 cpu_reset(CPU(s->cpu));
2052 /* TODO: reset peripherals */
2053 }
2054 }
2055
2056 /* Initialise a PXA270 integrated chip (ARM based core). */
2057 PXA2xxState *pxa270_init(MemoryRegion *address_space,
2058 unsigned int sdram_size, const char *revision)
2059 {
2060 PXA2xxState *s;
2061 int i;
2062 DriveInfo *dinfo;
2063 s = g_new0(PXA2xxState, 1);
2064
2065 if (revision && strncmp(revision, "pxa27", 5)) {
2066 fprintf(stderr, "Machine requires a PXA27x processor.\n");
2067 exit(1);
2068 }
2069 if (!revision)
2070 revision = "pxa270";
2071
2072 s->cpu = cpu_arm_init(revision);
2073 if (s->cpu == NULL) {
2074 fprintf(stderr, "Unable to find CPU definition\n");
2075 exit(1);
2076 }
2077 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2078
2079 /* SDRAM & Internal Memory Storage */
2080 memory_region_init_ram(&s->sdram, NULL, "pxa270.sdram", sdram_size,
2081 &error_fatal);
2082 vmstate_register_ram_global(&s->sdram);
2083 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2084 memory_region_init_ram(&s->internal, NULL, "pxa270.internal", 0x40000,
2085 &error_fatal);
2086 vmstate_register_ram_global(&s->internal);
2087 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2088 &s->internal);
2089
2090 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2091
2092 s->dma = pxa27x_dma_init(0x40000000,
2093 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2094
2095 sysbus_create_varargs("pxa27x-timer", 0x40a00000,
2096 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2097 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2098 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2099 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2100 qdev_get_gpio_in(s->pic, PXA27X_PIC_OST_4_11),
2101 NULL);
2102
2103 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 121);
2104
2105 dinfo = drive_get(IF_SD, 0, 0);
2106 if (!dinfo) {
2107 fprintf(stderr, "qemu: missing SecureDigital device\n");
2108 exit(1);
2109 }
2110 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2111 blk_by_legacy_dinfo(dinfo),
2112 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2113 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2114 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2115
2116 for (i = 0; pxa270_serial[i].io_base; i++) {
2117 if (serial_hds[i]) {
2118 serial_mm_init(address_space, pxa270_serial[i].io_base, 2,
2119 qdev_get_gpio_in(s->pic, pxa270_serial[i].irqn),
2120 14857000 / 16, serial_hds[i],
2121 DEVICE_NATIVE_ENDIAN);
2122 } else {
2123 break;
2124 }
2125 }
2126 if (serial_hds[i])
2127 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2128 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2129 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2130 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2131 serial_hds[i]);
2132
2133 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2134 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2135
2136 s->cm_base = 0x41300000;
2137 s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */
2138 s->clkcfg = 0x00000009; /* Turbo mode active */
2139 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2140 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2141 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2142
2143 pxa2xx_setup_cp14(s);
2144
2145 s->mm_base = 0x48000000;
2146 s->mm_regs[MDMRS >> 2] = 0x00020002;
2147 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2148 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2149 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2150 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2151 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2152
2153 s->pm_base = 0x40f00000;
2154 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2155 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2156 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2157
2158 for (i = 0; pxa27x_ssp[i].io_base; i ++);
2159 s->ssp = g_new0(SSIBus *, i);
2160 for (i = 0; pxa27x_ssp[i].io_base; i ++) {
2161 DeviceState *dev;
2162 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa27x_ssp[i].io_base,
2163 qdev_get_gpio_in(s->pic, pxa27x_ssp[i].irqn));
2164 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2165 }
2166
2167 if (usb_enabled()) {
2168 sysbus_create_simple("sysbus-ohci", 0x4c000000,
2169 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1));
2170 }
2171
2172 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2173 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2174
2175 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2176 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2177
2178 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2179 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2180 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2181 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2182
2183 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2184 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2185 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2186 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2187
2188 s->kp = pxa27x_keypad_init(address_space, 0x41500000,
2189 qdev_get_gpio_in(s->pic, PXA2XX_PIC_KEYPAD));
2190
2191 /* GPIO1 resets the processor */
2192 /* The handler can be overridden by board-specific code */
2193 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2194 return s;
2195 }
2196
2197 /* Initialise a PXA255 integrated chip (ARM based core). */
2198 PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size)
2199 {
2200 PXA2xxState *s;
2201 int i;
2202 DriveInfo *dinfo;
2203
2204 s = g_new0(PXA2xxState, 1);
2205
2206 s->cpu = cpu_arm_init("pxa255");
2207 if (s->cpu == NULL) {
2208 fprintf(stderr, "Unable to find CPU definition\n");
2209 exit(1);
2210 }
2211 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2212
2213 /* SDRAM & Internal Memory Storage */
2214 memory_region_init_ram(&s->sdram, NULL, "pxa255.sdram", sdram_size,
2215 &error_fatal);
2216 vmstate_register_ram_global(&s->sdram);
2217 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2218 memory_region_init_ram(&s->internal, NULL, "pxa255.internal",
2219 PXA2XX_INTERNAL_SIZE, &error_fatal);
2220 vmstate_register_ram_global(&s->internal);
2221 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2222 &s->internal);
2223
2224 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2225
2226 s->dma = pxa255_dma_init(0x40000000,
2227 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2228
2229 sysbus_create_varargs("pxa25x-timer", 0x40a00000,
2230 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2231 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2232 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2233 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2234 NULL);
2235
2236 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 85);
2237
2238 dinfo = drive_get(IF_SD, 0, 0);
2239 if (!dinfo) {
2240 fprintf(stderr, "qemu: missing SecureDigital device\n");
2241 exit(1);
2242 }
2243 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2244 blk_by_legacy_dinfo(dinfo),
2245 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2246 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2247 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2248
2249 for (i = 0; pxa255_serial[i].io_base; i++) {
2250 if (serial_hds[i]) {
2251 serial_mm_init(address_space, pxa255_serial[i].io_base, 2,
2252 qdev_get_gpio_in(s->pic, pxa255_serial[i].irqn),
2253 14745600 / 16, serial_hds[i],
2254 DEVICE_NATIVE_ENDIAN);
2255 } else {
2256 break;
2257 }
2258 }
2259 if (serial_hds[i])
2260 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2261 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2262 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2263 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2264 serial_hds[i]);
2265
2266 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2267 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2268
2269 s->cm_base = 0x41300000;
2270 s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */
2271 s->clkcfg = 0x00000009; /* Turbo mode active */
2272 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2273 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2274 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2275
2276 pxa2xx_setup_cp14(s);
2277
2278 s->mm_base = 0x48000000;
2279 s->mm_regs[MDMRS >> 2] = 0x00020002;
2280 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2281 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2282 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2283 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2284 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2285
2286 s->pm_base = 0x40f00000;
2287 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2288 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2289 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2290
2291 for (i = 0; pxa255_ssp[i].io_base; i ++);
2292 s->ssp = g_new0(SSIBus *, i);
2293 for (i = 0; pxa255_ssp[i].io_base; i ++) {
2294 DeviceState *dev;
2295 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa255_ssp[i].io_base,
2296 qdev_get_gpio_in(s->pic, pxa255_ssp[i].irqn));
2297 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2298 }
2299
2300 if (usb_enabled()) {
2301 sysbus_create_simple("sysbus-ohci", 0x4c000000,
2302 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1));
2303 }
2304
2305 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2306 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2307
2308 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2309 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2310
2311 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2312 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2313 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2314 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2315
2316 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2317 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2318 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2319 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2320
2321 /* GPIO1 resets the processor */
2322 /* The handler can be overridden by board-specific code */
2323 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2324 return s;
2325 }
2326
2327 static void pxa2xx_ssp_class_init(ObjectClass *klass, void *data)
2328 {
2329 SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
2330 DeviceClass *dc = DEVICE_CLASS(klass);
2331
2332 sdc->init = pxa2xx_ssp_init;
2333 dc->reset = pxa2xx_ssp_reset;
2334 dc->vmsd = &vmstate_pxa2xx_ssp;
2335 }
2336
2337 static const TypeInfo pxa2xx_ssp_info = {
2338 .name = TYPE_PXA2XX_SSP,
2339 .parent = TYPE_SYS_BUS_DEVICE,
2340 .instance_size = sizeof(PXA2xxSSPState),
2341 .class_init = pxa2xx_ssp_class_init,
2342 };
2343
2344 static void pxa2xx_register_types(void)
2345 {
2346 type_register_static(&pxa2xx_i2c_slave_info);
2347 type_register_static(&pxa2xx_ssp_info);
2348 type_register_static(&pxa2xx_i2c_info);
2349 type_register_static(&pxa2xx_rtc_sysbus_info);
2350 type_register_static(&pxa2xx_fir_info);
2351 }
2352
2353 type_init(pxa2xx_register_types)
AR7 emulation for QEMU