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char: remove qemu_chr_open_eventfd
[qemu/ar7.git] / hw / arm / pxa2xx.c
blobff6ac7a60a85f88f64d750d280e764cc4643edbf
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 "hw/sysbus.h"
12 #include "hw/arm/pxa.h"
13 #include "sysemu/sysemu.h"
14 #include "hw/char/serial.h"
15 #include "hw/i2c/i2c.h"
16 #include "hw/ssi/ssi.h"
17 #include "sysemu/char.h"
18 #include "sysemu/block-backend.h"
19 #include "sysemu/blockdev.h"
20
21 static struct {
22 hwaddr io_base;
23 int irqn;
24 } pxa255_serial[] = {
25 { 0x40100000, PXA2XX_PIC_FFUART },
26 { 0x40200000, PXA2XX_PIC_BTUART },
27 { 0x40700000, PXA2XX_PIC_STUART },
28 { 0x41600000, PXA25X_PIC_HWUART },
29 { 0, 0 }
30 }, pxa270_serial[] = {
31 { 0x40100000, PXA2XX_PIC_FFUART },
32 { 0x40200000, PXA2XX_PIC_BTUART },
33 { 0x40700000, PXA2XX_PIC_STUART },
34 { 0, 0 }
35 };
36
37 typedef struct PXASSPDef {
38 hwaddr io_base;
39 int irqn;
40 } PXASSPDef;
41
42 #if 0
43 static PXASSPDef pxa250_ssp[] = {
44 { 0x41000000, PXA2XX_PIC_SSP },
45 { 0, 0 }
46 };
47 #endif
48
49 static PXASSPDef pxa255_ssp[] = {
50 { 0x41000000, PXA2XX_PIC_SSP },
51 { 0x41400000, PXA25X_PIC_NSSP },
52 { 0, 0 }
53 };
54
55 #if 0
56 static PXASSPDef pxa26x_ssp[] = {
57 { 0x41000000, PXA2XX_PIC_SSP },
58 { 0x41400000, PXA25X_PIC_NSSP },
59 { 0x41500000, PXA26X_PIC_ASSP },
60 { 0, 0 }
61 };
62 #endif
63
64 static PXASSPDef pxa27x_ssp[] = {
65 { 0x41000000, PXA2XX_PIC_SSP },
66 { 0x41700000, PXA27X_PIC_SSP2 },
67 { 0x41900000, PXA2XX_PIC_SSP3 },
68 { 0, 0 }
69 };
70
71 #define PMCR 0x00 /* Power Manager Control register */
72 #define PSSR 0x04 /* Power Manager Sleep Status register */
73 #define PSPR 0x08 /* Power Manager Scratch-Pad register */
74 #define PWER 0x0c /* Power Manager Wake-Up Enable register */
75 #define PRER 0x10 /* Power Manager Rising-Edge Detect Enable register */
76 #define PFER 0x14 /* Power Manager Falling-Edge Detect Enable register */
77 #define PEDR 0x18 /* Power Manager Edge-Detect Status register */
78 #define PCFR 0x1c /* Power Manager General Configuration register */
79 #define PGSR0 0x20 /* Power Manager GPIO Sleep-State register 0 */
80 #define PGSR1 0x24 /* Power Manager GPIO Sleep-State register 1 */
81 #define PGSR2 0x28 /* Power Manager GPIO Sleep-State register 2 */
82 #define PGSR3 0x2c /* Power Manager GPIO Sleep-State register 3 */
83 #define RCSR 0x30 /* Reset Controller Status register */
84 #define PSLR 0x34 /* Power Manager Sleep Configuration register */
85 #define PTSR 0x38 /* Power Manager Standby Configuration register */
86 #define PVCR 0x40 /* Power Manager Voltage Change Control register */
87 #define PUCR 0x4c /* Power Manager USIM Card Control/Status register */
88 #define PKWR 0x50 /* Power Manager Keyboard Wake-Up Enable register */
89 #define PKSR 0x54 /* Power Manager Keyboard Level-Detect Status */
90 #define PCMD0 0x80 /* Power Manager I2C Command register File 0 */
91 #define PCMD31 0xfc /* Power Manager I2C Command register File 31 */
92
93 static uint64_t pxa2xx_pm_read(void *opaque, hwaddr addr,
94 unsigned size)
95 {
96 PXA2xxState *s = (PXA2xxState *) opaque;
97
98 switch (addr) {
99 case PMCR ... PCMD31:
100 if (addr & 3)
101 goto fail;
102
103 return s->pm_regs[addr >> 2];
104 default:
105 fail:
106 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
107 break;
108 }
109 return 0;
110 }
111
112 static void pxa2xx_pm_write(void *opaque, hwaddr addr,
113 uint64_t value, unsigned size)
114 {
115 PXA2xxState *s = (PXA2xxState *) opaque;
116
117 switch (addr) {
118 case PMCR:
119 /* Clear the write-one-to-clear bits... */
120 s->pm_regs[addr >> 2] &= ~(value & 0x2a);
121 /* ...and set the plain r/w bits */
122 s->pm_regs[addr >> 2] &= ~0x15;
123 s->pm_regs[addr >> 2] |= value & 0x15;
124 break;
125
126 case PSSR: /* Read-clean registers */
127 case RCSR:
128 case PKSR:
129 s->pm_regs[addr >> 2] &= ~value;
130 break;
131
132 default: /* Read-write registers */
133 if (!(addr & 3)) {
134 s->pm_regs[addr >> 2] = value;
135 break;
136 }
137
138 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
139 break;
140 }
141 }
142
143 static const MemoryRegionOps pxa2xx_pm_ops = {
144 .read = pxa2xx_pm_read,
145 .write = pxa2xx_pm_write,
146 .endianness = DEVICE_NATIVE_ENDIAN,
147 };
148
149 static const VMStateDescription vmstate_pxa2xx_pm = {
150 .name = "pxa2xx_pm",
151 .version_id = 0,
152 .minimum_version_id = 0,
153 .fields = (VMStateField[]) {
154 VMSTATE_UINT32_ARRAY(pm_regs, PXA2xxState, 0x40),
155 VMSTATE_END_OF_LIST()
156 }
157 };
158
159 #define CCCR 0x00 /* Core Clock Configuration register */
160 #define CKEN 0x04 /* Clock Enable register */
161 #define OSCC 0x08 /* Oscillator Configuration register */
162 #define CCSR 0x0c /* Core Clock Status register */
163
164 static uint64_t pxa2xx_cm_read(void *opaque, hwaddr addr,
165 unsigned size)
166 {
167 PXA2xxState *s = (PXA2xxState *) opaque;
168
169 switch (addr) {
170 case CCCR:
171 case CKEN:
172 case OSCC:
173 return s->cm_regs[addr >> 2];
174
175 case CCSR:
176 return s->cm_regs[CCCR >> 2] | (3 << 28);
177
178 default:
179 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
180 break;
181 }
182 return 0;
183 }
184
185 static void pxa2xx_cm_write(void *opaque, hwaddr addr,
186 uint64_t value, unsigned size)
187 {
188 PXA2xxState *s = (PXA2xxState *) opaque;
189
190 switch (addr) {
191 case CCCR:
192 case CKEN:
193 s->cm_regs[addr >> 2] = value;
194 break;
195
196 case OSCC:
197 s->cm_regs[addr >> 2] &= ~0x6c;
198 s->cm_regs[addr >> 2] |= value & 0x6e;
199 if ((value >> 1) & 1) /* OON */
200 s->cm_regs[addr >> 2] |= 1 << 0; /* Oscillator is now stable */
201 break;
202
203 default:
204 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
205 break;
206 }
207 }
208
209 static const MemoryRegionOps pxa2xx_cm_ops = {
210 .read = pxa2xx_cm_read,
211 .write = pxa2xx_cm_write,
212 .endianness = DEVICE_NATIVE_ENDIAN,
213 };
214
215 static const VMStateDescription vmstate_pxa2xx_cm = {
216 .name = "pxa2xx_cm",
217 .version_id = 0,
218 .minimum_version_id = 0,
219 .fields = (VMStateField[]) {
220 VMSTATE_UINT32_ARRAY(cm_regs, PXA2xxState, 4),
221 VMSTATE_UINT32(clkcfg, PXA2xxState),
222 VMSTATE_UINT32(pmnc, PXA2xxState),
223 VMSTATE_END_OF_LIST()
224 }
225 };
226
227 static uint64_t pxa2xx_clkcfg_read(CPUARMState *env, const ARMCPRegInfo *ri)
228 {
229 PXA2xxState *s = (PXA2xxState *)ri->opaque;
230 return s->clkcfg;
231 }
232
233 static void pxa2xx_clkcfg_write(CPUARMState *env, const ARMCPRegInfo *ri,
234 uint64_t value)
235 {
236 PXA2xxState *s = (PXA2xxState *)ri->opaque;
237 s->clkcfg = value & 0xf;
238 if (value & 2) {
239 printf("%s: CPU frequency change attempt\n", __func__);
240 }
241 }
242
243 static void pxa2xx_pwrmode_write(CPUARMState *env, const ARMCPRegInfo *ri,
244 uint64_t value)
245 {
246 PXA2xxState *s = (PXA2xxState *)ri->opaque;
247 static const char *pwrmode[8] = {
248 "Normal", "Idle", "Deep-idle", "Standby",
249 "Sleep", "reserved (!)", "reserved (!)", "Deep-sleep",
250 };
251
252 if (value & 8) {
253 printf("%s: CPU voltage change attempt\n", __func__);
254 }
255 switch (value & 7) {
256 case 0:
257 /* Do nothing */
258 break;
259
260 case 1:
261 /* Idle */
262 if (!(s->cm_regs[CCCR >> 2] & (1U << 31))) { /* CPDIS */
263 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
264 break;
265 }
266 /* Fall through. */
267
268 case 2:
269 /* Deep-Idle */
270 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
271 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
272 goto message;
273
274 case 3:
275 s->cpu->env.uncached_cpsr = ARM_CPU_MODE_SVC;
276 s->cpu->env.daif = PSTATE_A | PSTATE_F | PSTATE_I;
277 s->cpu->env.cp15.sctlr_ns = 0;
278 s->cpu->env.cp15.cpacr_el1 = 0;
279 s->cpu->env.cp15.ttbr0_el[1] = 0;
280 s->cpu->env.cp15.dacr_ns = 0;
281 s->pm_regs[PSSR >> 2] |= 0x8; /* Set STS */
282 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
283
284 /*
285 * The scratch-pad register is almost universally used
286 * for storing the return address on suspend. For the
287 * lack of a resuming bootloader, perform a jump
288 * directly to that address.
289 */
290 memset(s->cpu->env.regs, 0, 4 * 15);
291 s->cpu->env.regs[15] = s->pm_regs[PSPR >> 2];
292
293 #if 0
294 buffer = 0xe59ff000; /* ldr pc, [pc, #0] */
295 cpu_physical_memory_write(0, &buffer, 4);
296 buffer = s->pm_regs[PSPR >> 2];
297 cpu_physical_memory_write(8, &buffer, 4);
298 #endif
299
300 /* Suspend */
301 cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT);
302
303 goto message;
304
305 default:
306 message:
307 printf("%s: machine entered %s mode\n", __func__,
308 pwrmode[value & 7]);
309 }
310 }
311
312 static uint64_t pxa2xx_cppmnc_read(CPUARMState *env, const ARMCPRegInfo *ri)
313 {
314 PXA2xxState *s = (PXA2xxState *)ri->opaque;
315 return s->pmnc;
316 }
317
318 static void pxa2xx_cppmnc_write(CPUARMState *env, const ARMCPRegInfo *ri,
319 uint64_t value)
320 {
321 PXA2xxState *s = (PXA2xxState *)ri->opaque;
322 s->pmnc = value;
323 }
324
325 static uint64_t pxa2xx_cpccnt_read(CPUARMState *env, const ARMCPRegInfo *ri)
326 {
327 PXA2xxState *s = (PXA2xxState *)ri->opaque;
328 if (s->pmnc & 1) {
329 return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
330 } else {
331 return 0;
332 }
333 }
334
335 static const ARMCPRegInfo pxa_cp_reginfo[] = {
336 /* cp14 crm==1: perf registers */
337 { .name = "CPPMNC", .cp = 14, .crn = 0, .crm = 1, .opc1 = 0, .opc2 = 0,
338 .access = PL1_RW, .type = ARM_CP_IO,
339 .readfn = pxa2xx_cppmnc_read, .writefn = pxa2xx_cppmnc_write },
340 { .name = "CPCCNT", .cp = 14, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0,
341 .access = PL1_RW, .type = ARM_CP_IO,
342 .readfn = pxa2xx_cpccnt_read, .writefn = arm_cp_write_ignore },
343 { .name = "CPINTEN", .cp = 14, .crn = 4, .crm = 1, .opc1 = 0, .opc2 = 0,
344 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
345 { .name = "CPFLAG", .cp = 14, .crn = 5, .crm = 1, .opc1 = 0, .opc2 = 0,
346 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
347 { .name = "CPEVTSEL", .cp = 14, .crn = 8, .crm = 1, .opc1 = 0, .opc2 = 0,
348 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
349 /* cp14 crm==2: performance count registers */
350 { .name = "CPPMN0", .cp = 14, .crn = 0, .crm = 2, .opc1 = 0, .opc2 = 0,
351 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
352 { .name = "CPPMN1", .cp = 14, .crn = 1, .crm = 2, .opc1 = 0, .opc2 = 0,
353 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
354 { .name = "CPPMN2", .cp = 14, .crn = 2, .crm = 2, .opc1 = 0, .opc2 = 0,
355 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
356 { .name = "CPPMN3", .cp = 14, .crn = 2, .crm = 3, .opc1 = 0, .opc2 = 0,
357 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
358 /* cp14 crn==6: CLKCFG */
359 { .name = "CLKCFG", .cp = 14, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 0,
360 .access = PL1_RW, .type = ARM_CP_IO,
361 .readfn = pxa2xx_clkcfg_read, .writefn = pxa2xx_clkcfg_write },
362 /* cp14 crn==7: PWRMODE */
363 { .name = "PWRMODE", .cp = 14, .crn = 7, .crm = 0, .opc1 = 0, .opc2 = 0,
364 .access = PL1_RW, .type = ARM_CP_IO,
365 .readfn = arm_cp_read_zero, .writefn = pxa2xx_pwrmode_write },
366 REGINFO_SENTINEL
367 };
368
369 static void pxa2xx_setup_cp14(PXA2xxState *s)
370 {
371 define_arm_cp_regs_with_opaque(s->cpu, pxa_cp_reginfo, s);
372 }
373
374 #define MDCNFG 0x00 /* SDRAM Configuration register */
375 #define MDREFR 0x04 /* SDRAM Refresh Control register */
376 #define MSC0 0x08 /* Static Memory Control register 0 */
377 #define MSC1 0x0c /* Static Memory Control register 1 */
378 #define MSC2 0x10 /* Static Memory Control register 2 */
379 #define MECR 0x14 /* Expansion Memory Bus Config register */
380 #define SXCNFG 0x1c /* Synchronous Static Memory Config register */
381 #define MCMEM0 0x28 /* PC Card Memory Socket 0 Timing register */
382 #define MCMEM1 0x2c /* PC Card Memory Socket 1 Timing register */
383 #define MCATT0 0x30 /* PC Card Attribute Socket 0 register */
384 #define MCATT1 0x34 /* PC Card Attribute Socket 1 register */
385 #define MCIO0 0x38 /* PC Card I/O Socket 0 Timing register */
386 #define MCIO1 0x3c /* PC Card I/O Socket 1 Timing register */
387 #define MDMRS 0x40 /* SDRAM Mode Register Set Config register */
388 #define BOOT_DEF 0x44 /* Boot-time Default Configuration register */
389 #define ARB_CNTL 0x48 /* Arbiter Control register */
390 #define BSCNTR0 0x4c /* Memory Buffer Strength Control register 0 */
391 #define BSCNTR1 0x50 /* Memory Buffer Strength Control register 1 */
392 #define LCDBSCNTR 0x54 /* LCD Buffer Strength Control register */
393 #define MDMRSLP 0x58 /* Low Power SDRAM Mode Set Config register */
394 #define BSCNTR2 0x5c /* Memory Buffer Strength Control register 2 */
395 #define BSCNTR3 0x60 /* Memory Buffer Strength Control register 3 */
396 #define SA1110 0x64 /* SA-1110 Memory Compatibility register */
397
398 static uint64_t pxa2xx_mm_read(void *opaque, hwaddr addr,
399 unsigned size)
400 {
401 PXA2xxState *s = (PXA2xxState *) opaque;
402
403 switch (addr) {
404 case MDCNFG ... SA1110:
405 if ((addr & 3) == 0)
406 return s->mm_regs[addr >> 2];
407
408 default:
409 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
410 break;
411 }
412 return 0;
413 }
414
415 static void pxa2xx_mm_write(void *opaque, hwaddr addr,
416 uint64_t value, unsigned size)
417 {
418 PXA2xxState *s = (PXA2xxState *) opaque;
419
420 switch (addr) {
421 case MDCNFG ... SA1110:
422 if ((addr & 3) == 0) {
423 s->mm_regs[addr >> 2] = value;
424 break;
425 }
426
427 default:
428 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
429 break;
430 }
431 }
432
433 static const MemoryRegionOps pxa2xx_mm_ops = {
434 .read = pxa2xx_mm_read,
435 .write = pxa2xx_mm_write,
436 .endianness = DEVICE_NATIVE_ENDIAN,
437 };
438
439 static const VMStateDescription vmstate_pxa2xx_mm = {
440 .name = "pxa2xx_mm",
441 .version_id = 0,
442 .minimum_version_id = 0,
443 .fields = (VMStateField[]) {
444 VMSTATE_UINT32_ARRAY(mm_regs, PXA2xxState, 0x1a),
445 VMSTATE_END_OF_LIST()
446 }
447 };
448
449 #define TYPE_PXA2XX_SSP "pxa2xx-ssp"
450 #define PXA2XX_SSP(obj) \
451 OBJECT_CHECK(PXA2xxSSPState, (obj), TYPE_PXA2XX_SSP)
452
453 /* Synchronous Serial Ports */
454 typedef struct {
455 /*< private >*/
456 SysBusDevice parent_obj;
457 /*< public >*/
458
459 MemoryRegion iomem;
460 qemu_irq irq;
461 uint32_t enable;
462 SSIBus *bus;
463
464 uint32_t sscr[2];
465 uint32_t sspsp;
466 uint32_t ssto;
467 uint32_t ssitr;
468 uint32_t sssr;
469 uint8_t sstsa;
470 uint8_t ssrsa;
471 uint8_t ssacd;
472
473 uint32_t rx_fifo[16];
474 uint32_t rx_level;
475 uint32_t rx_start;
476 } PXA2xxSSPState;
477
478 static bool pxa2xx_ssp_vmstate_validate(void *opaque, int version_id)
479 {
480 PXA2xxSSPState *s = opaque;
481
482 return s->rx_start < sizeof(s->rx_fifo);
483 }
484
485 static const VMStateDescription vmstate_pxa2xx_ssp = {
486 .name = "pxa2xx-ssp",
487 .version_id = 1,
488 .minimum_version_id = 1,
489 .fields = (VMStateField[]) {
490 VMSTATE_UINT32(enable, PXA2xxSSPState),
491 VMSTATE_UINT32_ARRAY(sscr, PXA2xxSSPState, 2),
492 VMSTATE_UINT32(sspsp, PXA2xxSSPState),
493 VMSTATE_UINT32(ssto, PXA2xxSSPState),
494 VMSTATE_UINT32(ssitr, PXA2xxSSPState),
495 VMSTATE_UINT32(sssr, PXA2xxSSPState),
496 VMSTATE_UINT8(sstsa, PXA2xxSSPState),
497 VMSTATE_UINT8(ssrsa, PXA2xxSSPState),
498 VMSTATE_UINT8(ssacd, PXA2xxSSPState),
499 VMSTATE_UINT32(rx_level, PXA2xxSSPState),
500 VMSTATE_UINT32(rx_start, PXA2xxSSPState),
501 VMSTATE_VALIDATE("fifo is 16 bytes", pxa2xx_ssp_vmstate_validate),
502 VMSTATE_UINT32_ARRAY(rx_fifo, PXA2xxSSPState, 16),
503 VMSTATE_END_OF_LIST()
504 }
505 };
506
507 #define SSCR0 0x00 /* SSP Control register 0 */
508 #define SSCR1 0x04 /* SSP Control register 1 */
509 #define SSSR 0x08 /* SSP Status register */
510 #define SSITR 0x0c /* SSP Interrupt Test register */
511 #define SSDR 0x10 /* SSP Data register */
512 #define SSTO 0x28 /* SSP Time-Out register */
513 #define SSPSP 0x2c /* SSP Programmable Serial Protocol register */
514 #define SSTSA 0x30 /* SSP TX Time Slot Active register */
515 #define SSRSA 0x34 /* SSP RX Time Slot Active register */
516 #define SSTSS 0x38 /* SSP Time Slot Status register */
517 #define SSACD 0x3c /* SSP Audio Clock Divider register */
518
519 /* Bitfields for above registers */
520 #define SSCR0_SPI(x) (((x) & 0x30) == 0x00)
521 #define SSCR0_SSP(x) (((x) & 0x30) == 0x10)
522 #define SSCR0_UWIRE(x) (((x) & 0x30) == 0x20)
523 #define SSCR0_PSP(x) (((x) & 0x30) == 0x30)
524 #define SSCR0_SSE (1 << 7)
525 #define SSCR0_RIM (1 << 22)
526 #define SSCR0_TIM (1 << 23)
527 #define SSCR0_MOD (1U << 31)
528 #define SSCR0_DSS(x) (((((x) >> 16) & 0x10) | ((x) & 0xf)) + 1)
529 #define SSCR1_RIE (1 << 0)
530 #define SSCR1_TIE (1 << 1)
531 #define SSCR1_LBM (1 << 2)
532 #define SSCR1_MWDS (1 << 5)
533 #define SSCR1_TFT(x) ((((x) >> 6) & 0xf) + 1)
534 #define SSCR1_RFT(x) ((((x) >> 10) & 0xf) + 1)
535 #define SSCR1_EFWR (1 << 14)
536 #define SSCR1_PINTE (1 << 18)
537 #define SSCR1_TINTE (1 << 19)
538 #define SSCR1_RSRE (1 << 20)
539 #define SSCR1_TSRE (1 << 21)
540 #define SSCR1_EBCEI (1 << 29)
541 #define SSITR_INT (7 << 5)
542 #define SSSR_TNF (1 << 2)
543 #define SSSR_RNE (1 << 3)
544 #define SSSR_TFS (1 << 5)
545 #define SSSR_RFS (1 << 6)
546 #define SSSR_ROR (1 << 7)
547 #define SSSR_PINT (1 << 18)
548 #define SSSR_TINT (1 << 19)
549 #define SSSR_EOC (1 << 20)
550 #define SSSR_TUR (1 << 21)
551 #define SSSR_BCE (1 << 23)
552 #define SSSR_RW 0x00bc0080
553
554 static void pxa2xx_ssp_int_update(PXA2xxSSPState *s)
555 {
556 int level = 0;
557
558 level |= s->ssitr & SSITR_INT;
559 level |= (s->sssr & SSSR_BCE) && (s->sscr[1] & SSCR1_EBCEI);
560 level |= (s->sssr & SSSR_TUR) && !(s->sscr[0] & SSCR0_TIM);
561 level |= (s->sssr & SSSR_EOC) && (s->sssr & (SSSR_TINT | SSSR_PINT));
562 level |= (s->sssr & SSSR_TINT) && (s->sscr[1] & SSCR1_TINTE);
563 level |= (s->sssr & SSSR_PINT) && (s->sscr[1] & SSCR1_PINTE);
564 level |= (s->sssr & SSSR_ROR) && !(s->sscr[0] & SSCR0_RIM);
565 level |= (s->sssr & SSSR_RFS) && (s->sscr[1] & SSCR1_RIE);
566 level |= (s->sssr & SSSR_TFS) && (s->sscr[1] & SSCR1_TIE);
567 qemu_set_irq(s->irq, !!level);
568 }
569
570 static void pxa2xx_ssp_fifo_update(PXA2xxSSPState *s)
571 {
572 s->sssr &= ~(0xf << 12); /* Clear RFL */
573 s->sssr &= ~(0xf << 8); /* Clear TFL */
574 s->sssr &= ~SSSR_TFS;
575 s->sssr &= ~SSSR_TNF;
576 if (s->enable) {
577 s->sssr |= ((s->rx_level - 1) & 0xf) << 12;
578 if (s->rx_level >= SSCR1_RFT(s->sscr[1]))
579 s->sssr |= SSSR_RFS;
580 else
581 s->sssr &= ~SSSR_RFS;
582 if (s->rx_level)
583 s->sssr |= SSSR_RNE;
584 else
585 s->sssr &= ~SSSR_RNE;
586 /* TX FIFO is never filled, so it is always in underrun
587 condition if SSP is enabled */
588 s->sssr |= SSSR_TFS;
589 s->sssr |= SSSR_TNF;
590 }
591
592 pxa2xx_ssp_int_update(s);
593 }
594
595 static uint64_t pxa2xx_ssp_read(void *opaque, hwaddr addr,
596 unsigned size)
597 {
598 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
599 uint32_t retval;
600
601 switch (addr) {
602 case SSCR0:
603 return s->sscr[0];
604 case SSCR1:
605 return s->sscr[1];
606 case SSPSP:
607 return s->sspsp;
608 case SSTO:
609 return s->ssto;
610 case SSITR:
611 return s->ssitr;
612 case SSSR:
613 return s->sssr | s->ssitr;
614 case SSDR:
615 if (!s->enable)
616 return 0xffffffff;
617 if (s->rx_level < 1) {
618 printf("%s: SSP Rx Underrun\n", __FUNCTION__);
619 return 0xffffffff;
620 }
621 s->rx_level --;
622 retval = s->rx_fifo[s->rx_start ++];
623 s->rx_start &= 0xf;
624 pxa2xx_ssp_fifo_update(s);
625 return retval;
626 case SSTSA:
627 return s->sstsa;
628 case SSRSA:
629 return s->ssrsa;
630 case SSTSS:
631 return 0;
632 case SSACD:
633 return s->ssacd;
634 default:
635 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
636 break;
637 }
638 return 0;
639 }
640
641 static void pxa2xx_ssp_write(void *opaque, hwaddr addr,
642 uint64_t value64, unsigned size)
643 {
644 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
645 uint32_t value = value64;
646
647 switch (addr) {
648 case SSCR0:
649 s->sscr[0] = value & 0xc7ffffff;
650 s->enable = value & SSCR0_SSE;
651 if (value & SSCR0_MOD)
652 printf("%s: Attempt to use network mode\n", __FUNCTION__);
653 if (s->enable && SSCR0_DSS(value) < 4)
654 printf("%s: Wrong data size: %i bits\n", __FUNCTION__,
655 SSCR0_DSS(value));
656 if (!(value & SSCR0_SSE)) {
657 s->sssr = 0;
658 s->ssitr = 0;
659 s->rx_level = 0;
660 }
661 pxa2xx_ssp_fifo_update(s);
662 break;
663
664 case SSCR1:
665 s->sscr[1] = value;
666 if (value & (SSCR1_LBM | SSCR1_EFWR))
667 printf("%s: Attempt to use SSP test mode\n", __FUNCTION__);
668 pxa2xx_ssp_fifo_update(s);
669 break;
670
671 case SSPSP:
672 s->sspsp = value;
673 break;
674
675 case SSTO:
676 s->ssto = value;
677 break;
678
679 case SSITR:
680 s->ssitr = value & SSITR_INT;
681 pxa2xx_ssp_int_update(s);
682 break;
683
684 case SSSR:
685 s->sssr &= ~(value & SSSR_RW);
686 pxa2xx_ssp_int_update(s);
687 break;
688
689 case SSDR:
690 if (SSCR0_UWIRE(s->sscr[0])) {
691 if (s->sscr[1] & SSCR1_MWDS)
692 value &= 0xffff;
693 else
694 value &= 0xff;
695 } else
696 /* Note how 32bits overflow does no harm here */
697 value &= (1 << SSCR0_DSS(s->sscr[0])) - 1;
698
699 /* Data goes from here to the Tx FIFO and is shifted out from
700 * there directly to the slave, no need to buffer it.
701 */
702 if (s->enable) {
703 uint32_t readval;
704 readval = ssi_transfer(s->bus, value);
705 if (s->rx_level < 0x10) {
706 s->rx_fifo[(s->rx_start + s->rx_level ++) & 0xf] = readval;
707 } else {
708 s->sssr |= SSSR_ROR;
709 }
710 }
711 pxa2xx_ssp_fifo_update(s);
712 break;
713
714 case SSTSA:
715 s->sstsa = value;
716 break;
717
718 case SSRSA:
719 s->ssrsa = value;
720 break;
721
722 case SSACD:
723 s->ssacd = value;
724 break;
725
726 default:
727 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
728 break;
729 }
730 }
731
732 static const MemoryRegionOps pxa2xx_ssp_ops = {
733 .read = pxa2xx_ssp_read,
734 .write = pxa2xx_ssp_write,
735 .endianness = DEVICE_NATIVE_ENDIAN,
736 };
737
738 static void pxa2xx_ssp_reset(DeviceState *d)
739 {
740 PXA2xxSSPState *s = PXA2XX_SSP(d);
741
742 s->enable = 0;
743 s->sscr[0] = s->sscr[1] = 0;
744 s->sspsp = 0;
745 s->ssto = 0;
746 s->ssitr = 0;
747 s->sssr = 0;
748 s->sstsa = 0;
749 s->ssrsa = 0;
750 s->ssacd = 0;
751 s->rx_start = s->rx_level = 0;
752 }
753
754 static int pxa2xx_ssp_init(SysBusDevice *sbd)
755 {
756 DeviceState *dev = DEVICE(sbd);
757 PXA2xxSSPState *s = PXA2XX_SSP(dev);
758
759 sysbus_init_irq(sbd, &s->irq);
760
761 memory_region_init_io(&s->iomem, OBJECT(s), &pxa2xx_ssp_ops, s,
762 "pxa2xx-ssp", 0x1000);
763 sysbus_init_mmio(sbd, &s->iomem);
764
765 s->bus = ssi_create_bus(dev, "ssi");
766 return 0;
767 }
768
769 /* Real-Time Clock */
770 #define RCNR 0x00 /* RTC Counter register */
771 #define RTAR 0x04 /* RTC Alarm register */
772 #define RTSR 0x08 /* RTC Status register */
773 #define RTTR 0x0c /* RTC Timer Trim register */
774 #define RDCR 0x10 /* RTC Day Counter register */
775 #define RYCR 0x14 /* RTC Year Counter register */
776 #define RDAR1 0x18 /* RTC Wristwatch Day Alarm register 1 */
777 #define RYAR1 0x1c /* RTC Wristwatch Year Alarm register 1 */
778 #define RDAR2 0x20 /* RTC Wristwatch Day Alarm register 2 */
779 #define RYAR2 0x24 /* RTC Wristwatch Year Alarm register 2 */
780 #define SWCR 0x28 /* RTC Stopwatch Counter register */
781 #define SWAR1 0x2c /* RTC Stopwatch Alarm register 1 */
782 #define SWAR2 0x30 /* RTC Stopwatch Alarm register 2 */
783 #define RTCPICR 0x34 /* RTC Periodic Interrupt Counter register */
784 #define PIAR 0x38 /* RTC Periodic Interrupt Alarm register */
785
786 #define TYPE_PXA2XX_RTC "pxa2xx_rtc"
787 #define PXA2XX_RTC(obj) \
788 OBJECT_CHECK(PXA2xxRTCState, (obj), TYPE_PXA2XX_RTC)
789
790 typedef struct {
791 /*< private >*/
792 SysBusDevice parent_obj;
793 /*< public >*/
794
795 MemoryRegion iomem;
796 uint32_t rttr;
797 uint32_t rtsr;
798 uint32_t rtar;
799 uint32_t rdar1;
800 uint32_t rdar2;
801 uint32_t ryar1;
802 uint32_t ryar2;
803 uint32_t swar1;
804 uint32_t swar2;
805 uint32_t piar;
806 uint32_t last_rcnr;
807 uint32_t last_rdcr;
808 uint32_t last_rycr;
809 uint32_t last_swcr;
810 uint32_t last_rtcpicr;
811 int64_t last_hz;
812 int64_t last_sw;
813 int64_t last_pi;
814 QEMUTimer *rtc_hz;
815 QEMUTimer *rtc_rdal1;
816 QEMUTimer *rtc_rdal2;
817 QEMUTimer *rtc_swal1;
818 QEMUTimer *rtc_swal2;
819 QEMUTimer *rtc_pi;
820 qemu_irq rtc_irq;
821 } PXA2xxRTCState;
822
823 static inline void pxa2xx_rtc_int_update(PXA2xxRTCState *s)
824 {
825 qemu_set_irq(s->rtc_irq, !!(s->rtsr & 0x2553));
826 }
827
828 static void pxa2xx_rtc_hzupdate(PXA2xxRTCState *s)
829 {
830 int64_t rt = qemu_clock_get_ms(rtc_clock);
831 s->last_rcnr += ((rt - s->last_hz) << 15) /
832 (1000 * ((s->rttr & 0xffff) + 1));
833 s->last_rdcr += ((rt - s->last_hz) << 15) /
834 (1000 * ((s->rttr & 0xffff) + 1));
835 s->last_hz = rt;
836 }
837
838 static void pxa2xx_rtc_swupdate(PXA2xxRTCState *s)
839 {
840 int64_t rt = qemu_clock_get_ms(rtc_clock);
841 if (s->rtsr & (1 << 12))
842 s->last_swcr += (rt - s->last_sw) / 10;
843 s->last_sw = rt;
844 }
845
846 static void pxa2xx_rtc_piupdate(PXA2xxRTCState *s)
847 {
848 int64_t rt = qemu_clock_get_ms(rtc_clock);
849 if (s->rtsr & (1 << 15))
850 s->last_swcr += rt - s->last_pi;
851 s->last_pi = rt;
852 }
853
854 static inline void pxa2xx_rtc_alarm_update(PXA2xxRTCState *s,
855 uint32_t rtsr)
856 {
857 if ((rtsr & (1 << 2)) && !(rtsr & (1 << 0)))
858 timer_mod(s->rtc_hz, s->last_hz +
859 (((s->rtar - s->last_rcnr) * 1000 *
860 ((s->rttr & 0xffff) + 1)) >> 15));
861 else
862 timer_del(s->rtc_hz);
863
864 if ((rtsr & (1 << 5)) && !(rtsr & (1 << 4)))
865 timer_mod(s->rtc_rdal1, s->last_hz +
866 (((s->rdar1 - s->last_rdcr) * 1000 *
867 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
868 else
869 timer_del(s->rtc_rdal1);
870
871 if ((rtsr & (1 << 7)) && !(rtsr & (1 << 6)))
872 timer_mod(s->rtc_rdal2, s->last_hz +
873 (((s->rdar2 - s->last_rdcr) * 1000 *
874 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
875 else
876 timer_del(s->rtc_rdal2);
877
878 if ((rtsr & 0x1200) == 0x1200 && !(rtsr & (1 << 8)))
879 timer_mod(s->rtc_swal1, s->last_sw +
880 (s->swar1 - s->last_swcr) * 10); /* TODO: fixup */
881 else
882 timer_del(s->rtc_swal1);
883
884 if ((rtsr & 0x1800) == 0x1800 && !(rtsr & (1 << 10)))
885 timer_mod(s->rtc_swal2, s->last_sw +
886 (s->swar2 - s->last_swcr) * 10); /* TODO: fixup */
887 else
888 timer_del(s->rtc_swal2);
889
890 if ((rtsr & 0xc000) == 0xc000 && !(rtsr & (1 << 13)))
891 timer_mod(s->rtc_pi, s->last_pi +
892 (s->piar & 0xffff) - s->last_rtcpicr);
893 else
894 timer_del(s->rtc_pi);
895 }
896
897 static inline void pxa2xx_rtc_hz_tick(void *opaque)
898 {
899 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
900 s->rtsr |= (1 << 0);
901 pxa2xx_rtc_alarm_update(s, s->rtsr);
902 pxa2xx_rtc_int_update(s);
903 }
904
905 static inline void pxa2xx_rtc_rdal1_tick(void *opaque)
906 {
907 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
908 s->rtsr |= (1 << 4);
909 pxa2xx_rtc_alarm_update(s, s->rtsr);
910 pxa2xx_rtc_int_update(s);
911 }
912
913 static inline void pxa2xx_rtc_rdal2_tick(void *opaque)
914 {
915 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
916 s->rtsr |= (1 << 6);
917 pxa2xx_rtc_alarm_update(s, s->rtsr);
918 pxa2xx_rtc_int_update(s);
919 }
920
921 static inline void pxa2xx_rtc_swal1_tick(void *opaque)
922 {
923 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
924 s->rtsr |= (1 << 8);
925 pxa2xx_rtc_alarm_update(s, s->rtsr);
926 pxa2xx_rtc_int_update(s);
927 }
928
929 static inline void pxa2xx_rtc_swal2_tick(void *opaque)
930 {
931 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
932 s->rtsr |= (1 << 10);
933 pxa2xx_rtc_alarm_update(s, s->rtsr);
934 pxa2xx_rtc_int_update(s);
935 }
936
937 static inline void pxa2xx_rtc_pi_tick(void *opaque)
938 {
939 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
940 s->rtsr |= (1 << 13);
941 pxa2xx_rtc_piupdate(s);
942 s->last_rtcpicr = 0;
943 pxa2xx_rtc_alarm_update(s, s->rtsr);
944 pxa2xx_rtc_int_update(s);
945 }
946
947 static uint64_t pxa2xx_rtc_read(void *opaque, hwaddr addr,
948 unsigned size)
949 {
950 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
951
952 switch (addr) {
953 case RTTR:
954 return s->rttr;
955 case RTSR:
956 return s->rtsr;
957 case RTAR:
958 return s->rtar;
959 case RDAR1:
960 return s->rdar1;
961 case RDAR2:
962 return s->rdar2;
963 case RYAR1:
964 return s->ryar1;
965 case RYAR2:
966 return s->ryar2;
967 case SWAR1:
968 return s->swar1;
969 case SWAR2:
970 return s->swar2;
971 case PIAR:
972 return s->piar;
973 case RCNR:
974 return s->last_rcnr +
975 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) /
976 (1000 * ((s->rttr & 0xffff) + 1));
977 case RDCR:
978 return s->last_rdcr +
979 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) /
980 (1000 * ((s->rttr & 0xffff) + 1));
981 case RYCR:
982 return s->last_rycr;
983 case SWCR:
984 if (s->rtsr & (1 << 12))
985 return s->last_swcr +
986 (qemu_clock_get_ms(rtc_clock) - s->last_sw) / 10;
987 else
988 return s->last_swcr;
989 default:
990 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
991 break;
992 }
993 return 0;
994 }
995
996 static void pxa2xx_rtc_write(void *opaque, hwaddr addr,
997 uint64_t value64, unsigned size)
998 {
999 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1000 uint32_t value = value64;
1001
1002 switch (addr) {
1003 case RTTR:
1004 if (!(s->rttr & (1U << 31))) {
1005 pxa2xx_rtc_hzupdate(s);
1006 s->rttr = value;
1007 pxa2xx_rtc_alarm_update(s, s->rtsr);
1008 }
1009 break;
1010
1011 case RTSR:
1012 if ((s->rtsr ^ value) & (1 << 15))
1013 pxa2xx_rtc_piupdate(s);
1014
1015 if ((s->rtsr ^ value) & (1 << 12))
1016 pxa2xx_rtc_swupdate(s);
1017
1018 if (((s->rtsr ^ value) & 0x4aac) | (value & ~0xdaac))
1019 pxa2xx_rtc_alarm_update(s, value);
1020
1021 s->rtsr = (value & 0xdaac) | (s->rtsr & ~(value & ~0xdaac));
1022 pxa2xx_rtc_int_update(s);
1023 break;
1024
1025 case RTAR:
1026 s->rtar = value;
1027 pxa2xx_rtc_alarm_update(s, s->rtsr);
1028 break;
1029
1030 case RDAR1:
1031 s->rdar1 = value;
1032 pxa2xx_rtc_alarm_update(s, s->rtsr);
1033 break;
1034
1035 case RDAR2:
1036 s->rdar2 = value;
1037 pxa2xx_rtc_alarm_update(s, s->rtsr);
1038 break;
1039
1040 case RYAR1:
1041 s->ryar1 = value;
1042 pxa2xx_rtc_alarm_update(s, s->rtsr);
1043 break;
1044
1045 case RYAR2:
1046 s->ryar2 = value;
1047 pxa2xx_rtc_alarm_update(s, s->rtsr);
1048 break;
1049
1050 case SWAR1:
1051 pxa2xx_rtc_swupdate(s);
1052 s->swar1 = value;
1053 s->last_swcr = 0;
1054 pxa2xx_rtc_alarm_update(s, s->rtsr);
1055 break;
1056
1057 case SWAR2:
1058 s->swar2 = value;
1059 pxa2xx_rtc_alarm_update(s, s->rtsr);
1060 break;
1061
1062 case PIAR:
1063 s->piar = value;
1064 pxa2xx_rtc_alarm_update(s, s->rtsr);
1065 break;
1066
1067 case RCNR:
1068 pxa2xx_rtc_hzupdate(s);
1069 s->last_rcnr = value;
1070 pxa2xx_rtc_alarm_update(s, s->rtsr);
1071 break;
1072
1073 case RDCR:
1074 pxa2xx_rtc_hzupdate(s);
1075 s->last_rdcr = value;
1076 pxa2xx_rtc_alarm_update(s, s->rtsr);
1077 break;
1078
1079 case RYCR:
1080 s->last_rycr = value;
1081 break;
1082
1083 case SWCR:
1084 pxa2xx_rtc_swupdate(s);
1085 s->last_swcr = value;
1086 pxa2xx_rtc_alarm_update(s, s->rtsr);
1087 break;
1088
1089 case RTCPICR:
1090 pxa2xx_rtc_piupdate(s);
1091 s->last_rtcpicr = value & 0xffff;
1092 pxa2xx_rtc_alarm_update(s, s->rtsr);
1093 break;
1094
1095 default:
1096 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1097 }
1098 }
1099
1100 static const MemoryRegionOps pxa2xx_rtc_ops = {
1101 .read = pxa2xx_rtc_read,
1102 .write = pxa2xx_rtc_write,
1103 .endianness = DEVICE_NATIVE_ENDIAN,
1104 };
1105
1106 static int pxa2xx_rtc_init(SysBusDevice *dev)
1107 {
1108 PXA2xxRTCState *s = PXA2XX_RTC(dev);
1109 struct tm tm;
1110 int wom;
1111
1112 s->rttr = 0x7fff;
1113 s->rtsr = 0;
1114
1115 qemu_get_timedate(&tm, 0);
1116 wom = ((tm.tm_mday - 1) / 7) + 1;
1117
1118 s->last_rcnr = (uint32_t) mktimegm(&tm);
1119 s->last_rdcr = (wom << 20) | ((tm.tm_wday + 1) << 17) |
1120 (tm.tm_hour << 12) | (tm.tm_min << 6) | tm.tm_sec;
1121 s->last_rycr = ((tm.tm_year + 1900) << 9) |
1122 ((tm.tm_mon + 1) << 5) | tm.tm_mday;
1123 s->last_swcr = (tm.tm_hour << 19) |
1124 (tm.tm_min << 13) | (tm.tm_sec << 7);
1125 s->last_rtcpicr = 0;
1126 s->last_hz = s->last_sw = s->last_pi = qemu_clock_get_ms(rtc_clock);
1127
1128 s->rtc_hz = timer_new_ms(rtc_clock, pxa2xx_rtc_hz_tick, s);
1129 s->rtc_rdal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal1_tick, s);
1130 s->rtc_rdal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal2_tick, s);
1131 s->rtc_swal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal1_tick, s);
1132 s->rtc_swal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal2_tick, s);
1133 s->rtc_pi = timer_new_ms(rtc_clock, pxa2xx_rtc_pi_tick, s);
1134
1135 sysbus_init_irq(dev, &s->rtc_irq);
1136
1137 memory_region_init_io(&s->iomem, OBJECT(s), &pxa2xx_rtc_ops, s,
1138 "pxa2xx-rtc", 0x10000);
1139 sysbus_init_mmio(dev, &s->iomem);
1140
1141 return 0;
1142 }
1143
1144 static void pxa2xx_rtc_pre_save(void *opaque)
1145 {
1146 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1147
1148 pxa2xx_rtc_hzupdate(s);
1149 pxa2xx_rtc_piupdate(s);
1150 pxa2xx_rtc_swupdate(s);
1151 }
1152
1153 static int pxa2xx_rtc_post_load(void *opaque, int version_id)
1154 {
1155 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1156
1157 pxa2xx_rtc_alarm_update(s, s->rtsr);
1158
1159 return 0;
1160 }
1161
1162 static const VMStateDescription vmstate_pxa2xx_rtc_regs = {
1163 .name = "pxa2xx_rtc",
1164 .version_id = 0,
1165 .minimum_version_id = 0,
1166 .pre_save = pxa2xx_rtc_pre_save,
1167 .post_load = pxa2xx_rtc_post_load,
1168 .fields = (VMStateField[]) {
1169 VMSTATE_UINT32(rttr, PXA2xxRTCState),
1170 VMSTATE_UINT32(rtsr, PXA2xxRTCState),
1171 VMSTATE_UINT32(rtar, PXA2xxRTCState),
1172 VMSTATE_UINT32(rdar1, PXA2xxRTCState),
1173 VMSTATE_UINT32(rdar2, PXA2xxRTCState),
1174 VMSTATE_UINT32(ryar1, PXA2xxRTCState),
1175 VMSTATE_UINT32(ryar2, PXA2xxRTCState),
1176 VMSTATE_UINT32(swar1, PXA2xxRTCState),
1177 VMSTATE_UINT32(swar2, PXA2xxRTCState),
1178 VMSTATE_UINT32(piar, PXA2xxRTCState),
1179 VMSTATE_UINT32(last_rcnr, PXA2xxRTCState),
1180 VMSTATE_UINT32(last_rdcr, PXA2xxRTCState),
1181 VMSTATE_UINT32(last_rycr, PXA2xxRTCState),
1182 VMSTATE_UINT32(last_swcr, PXA2xxRTCState),
1183 VMSTATE_UINT32(last_rtcpicr, PXA2xxRTCState),
1184 VMSTATE_INT64(last_hz, PXA2xxRTCState),
1185 VMSTATE_INT64(last_sw, PXA2xxRTCState),
1186 VMSTATE_INT64(last_pi, PXA2xxRTCState),
1187 VMSTATE_END_OF_LIST(),
1188 },
1189 };
1190
1191 static void pxa2xx_rtc_sysbus_class_init(ObjectClass *klass, void *data)
1192 {
1193 DeviceClass *dc = DEVICE_CLASS(klass);
1194 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1195
1196 k->init = pxa2xx_rtc_init;
1197 dc->desc = "PXA2xx RTC Controller";
1198 dc->vmsd = &vmstate_pxa2xx_rtc_regs;
1199 }
1200
1201 static const TypeInfo pxa2xx_rtc_sysbus_info = {
1202 .name = TYPE_PXA2XX_RTC,
1203 .parent = TYPE_SYS_BUS_DEVICE,
1204 .instance_size = sizeof(PXA2xxRTCState),
1205 .class_init = pxa2xx_rtc_sysbus_class_init,
1206 };
1207
1208 /* I2C Interface */
1209
1210 #define TYPE_PXA2XX_I2C_SLAVE "pxa2xx-i2c-slave"
1211 #define PXA2XX_I2C_SLAVE(obj) \
1212 OBJECT_CHECK(PXA2xxI2CSlaveState, (obj), TYPE_PXA2XX_I2C_SLAVE)
1213
1214 typedef struct PXA2xxI2CSlaveState {
1215 I2CSlave parent_obj;
1216
1217 PXA2xxI2CState *host;
1218 } PXA2xxI2CSlaveState;
1219
1220 #define TYPE_PXA2XX_I2C "pxa2xx_i2c"
1221 #define PXA2XX_I2C(obj) \
1222 OBJECT_CHECK(PXA2xxI2CState, (obj), TYPE_PXA2XX_I2C)
1223
1224 struct PXA2xxI2CState {
1225 /*< private >*/
1226 SysBusDevice parent_obj;
1227 /*< public >*/
1228
1229 MemoryRegion iomem;
1230 PXA2xxI2CSlaveState *slave;
1231 I2CBus *bus;
1232 qemu_irq irq;
1233 uint32_t offset;
1234 uint32_t region_size;
1235
1236 uint16_t control;
1237 uint16_t status;
1238 uint8_t ibmr;
1239 uint8_t data;
1240 };
1241
1242 #define IBMR 0x80 /* I2C Bus Monitor register */
1243 #define IDBR 0x88 /* I2C Data Buffer register */
1244 #define ICR 0x90 /* I2C Control register */
1245 #define ISR 0x98 /* I2C Status register */
1246 #define ISAR 0xa0 /* I2C Slave Address register */
1247
1248 static void pxa2xx_i2c_update(PXA2xxI2CState *s)
1249 {
1250 uint16_t level = 0;
1251 level |= s->status & s->control & (1 << 10); /* BED */
1252 level |= (s->status & (1 << 7)) && (s->control & (1 << 9)); /* IRF */
1253 level |= (s->status & (1 << 6)) && (s->control & (1 << 8)); /* ITE */
1254 level |= s->status & (1 << 9); /* SAD */
1255 qemu_set_irq(s->irq, !!level);
1256 }
1257
1258 /* These are only stubs now. */
1259 static void pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event)
1260 {
1261 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1262 PXA2xxI2CState *s = slave->host;
1263
1264 switch (event) {
1265 case I2C_START_SEND:
1266 s->status |= (1 << 9); /* set SAD */
1267 s->status &= ~(1 << 0); /* clear RWM */
1268 break;
1269 case I2C_START_RECV:
1270 s->status |= (1 << 9); /* set SAD */
1271 s->status |= 1 << 0; /* set RWM */
1272 break;
1273 case I2C_FINISH:
1274 s->status |= (1 << 4); /* set SSD */
1275 break;
1276 case I2C_NACK:
1277 s->status |= 1 << 1; /* set ACKNAK */
1278 break;
1279 }
1280 pxa2xx_i2c_update(s);
1281 }
1282
1283 static int pxa2xx_i2c_rx(I2CSlave *i2c)
1284 {
1285 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1286 PXA2xxI2CState *s = slave->host;
1287
1288 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1289 return 0;
1290 }
1291
1292 if (s->status & (1 << 0)) { /* RWM */
1293 s->status |= 1 << 6; /* set ITE */
1294 }
1295 pxa2xx_i2c_update(s);
1296
1297 return s->data;
1298 }
1299
1300 static int pxa2xx_i2c_tx(I2CSlave *i2c, uint8_t data)
1301 {
1302 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1303 PXA2xxI2CState *s = slave->host;
1304
1305 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1306 return 1;
1307 }
1308
1309 if (!(s->status & (1 << 0))) { /* RWM */
1310 s->status |= 1 << 7; /* set IRF */
1311 s->data = data;
1312 }
1313 pxa2xx_i2c_update(s);
1314
1315 return 1;
1316 }
1317
1318 static uint64_t pxa2xx_i2c_read(void *opaque, hwaddr addr,
1319 unsigned size)
1320 {
1321 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1322 I2CSlave *slave;
1323
1324 addr -= s->offset;
1325 switch (addr) {
1326 case ICR:
1327 return s->control;
1328 case ISR:
1329 return s->status | (i2c_bus_busy(s->bus) << 2);
1330 case ISAR:
1331 slave = I2C_SLAVE(s->slave);
1332 return slave->address;
1333 case IDBR:
1334 return s->data;
1335 case IBMR:
1336 if (s->status & (1 << 2))
1337 s->ibmr ^= 3; /* Fake SCL and SDA pin changes */
1338 else
1339 s->ibmr = 0;
1340 return s->ibmr;
1341 default:
1342 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1343 break;
1344 }
1345 return 0;
1346 }
1347
1348 static void pxa2xx_i2c_write(void *opaque, hwaddr addr,
1349 uint64_t value64, unsigned size)
1350 {
1351 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1352 uint32_t value = value64;
1353 int ack;
1354
1355 addr -= s->offset;
1356 switch (addr) {
1357 case ICR:
1358 s->control = value & 0xfff7;
1359 if ((value & (1 << 3)) && (value & (1 << 6))) { /* TB and IUE */
1360 /* TODO: slave mode */
1361 if (value & (1 << 0)) { /* START condition */
1362 if (s->data & 1)
1363 s->status |= 1 << 0; /* set RWM */
1364 else
1365 s->status &= ~(1 << 0); /* clear RWM */
1366 ack = !i2c_start_transfer(s->bus, s->data >> 1, s->data & 1);
1367 } else {
1368 if (s->status & (1 << 0)) { /* RWM */
1369 s->data = i2c_recv(s->bus);
1370 if (value & (1 << 2)) /* ACKNAK */
1371 i2c_nack(s->bus);
1372 ack = 1;
1373 } else
1374 ack = !i2c_send(s->bus, s->data);
1375 }
1376
1377 if (value & (1 << 1)) /* STOP condition */
1378 i2c_end_transfer(s->bus);
1379
1380 if (ack) {
1381 if (value & (1 << 0)) /* START condition */
1382 s->status |= 1 << 6; /* set ITE */
1383 else
1384 if (s->status & (1 << 0)) /* RWM */
1385 s->status |= 1 << 7; /* set IRF */
1386 else
1387 s->status |= 1 << 6; /* set ITE */
1388 s->status &= ~(1 << 1); /* clear ACKNAK */
1389 } else {
1390 s->status |= 1 << 6; /* set ITE */
1391 s->status |= 1 << 10; /* set BED */
1392 s->status |= 1 << 1; /* set ACKNAK */
1393 }
1394 }
1395 if (!(value & (1 << 3)) && (value & (1 << 6))) /* !TB and IUE */
1396 if (value & (1 << 4)) /* MA */
1397 i2c_end_transfer(s->bus);
1398 pxa2xx_i2c_update(s);
1399 break;
1400
1401 case ISR:
1402 s->status &= ~(value & 0x07f0);
1403 pxa2xx_i2c_update(s);
1404 break;
1405
1406 case ISAR:
1407 i2c_set_slave_address(I2C_SLAVE(s->slave), value & 0x7f);
1408 break;
1409
1410 case IDBR:
1411 s->data = value & 0xff;
1412 break;
1413
1414 default:
1415 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1416 }
1417 }
1418
1419 static const MemoryRegionOps pxa2xx_i2c_ops = {
1420 .read = pxa2xx_i2c_read,
1421 .write = pxa2xx_i2c_write,
1422 .endianness = DEVICE_NATIVE_ENDIAN,
1423 };
1424
1425 static const VMStateDescription vmstate_pxa2xx_i2c_slave = {
1426 .name = "pxa2xx_i2c_slave",
1427 .version_id = 1,
1428 .minimum_version_id = 1,
1429 .fields = (VMStateField[]) {
1430 VMSTATE_I2C_SLAVE(parent_obj, PXA2xxI2CSlaveState),
1431 VMSTATE_END_OF_LIST()
1432 }
1433 };
1434
1435 static const VMStateDescription vmstate_pxa2xx_i2c = {
1436 .name = "pxa2xx_i2c",
1437 .version_id = 1,
1438 .minimum_version_id = 1,
1439 .fields = (VMStateField[]) {
1440 VMSTATE_UINT16(control, PXA2xxI2CState),
1441 VMSTATE_UINT16(status, PXA2xxI2CState),
1442 VMSTATE_UINT8(ibmr, PXA2xxI2CState),
1443 VMSTATE_UINT8(data, PXA2xxI2CState),
1444 VMSTATE_STRUCT_POINTER(slave, PXA2xxI2CState,
1445 vmstate_pxa2xx_i2c_slave, PXA2xxI2CSlaveState),
1446 VMSTATE_END_OF_LIST()
1447 }
1448 };
1449
1450 static int pxa2xx_i2c_slave_init(I2CSlave *i2c)
1451 {
1452 /* Nothing to do. */
1453 return 0;
1454 }
1455
1456 static void pxa2xx_i2c_slave_class_init(ObjectClass *klass, void *data)
1457 {
1458 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
1459
1460 k->init = pxa2xx_i2c_slave_init;
1461 k->event = pxa2xx_i2c_event;
1462 k->recv = pxa2xx_i2c_rx;
1463 k->send = pxa2xx_i2c_tx;
1464 }
1465
1466 static const TypeInfo pxa2xx_i2c_slave_info = {
1467 .name = TYPE_PXA2XX_I2C_SLAVE,
1468 .parent = TYPE_I2C_SLAVE,
1469 .instance_size = sizeof(PXA2xxI2CSlaveState),
1470 .class_init = pxa2xx_i2c_slave_class_init,
1471 };
1472
1473 PXA2xxI2CState *pxa2xx_i2c_init(hwaddr base,
1474 qemu_irq irq, uint32_t region_size)
1475 {
1476 DeviceState *dev;
1477 SysBusDevice *i2c_dev;
1478 PXA2xxI2CState *s;
1479 I2CBus *i2cbus;
1480
1481 dev = qdev_create(NULL, TYPE_PXA2XX_I2C);
1482 qdev_prop_set_uint32(dev, "size", region_size + 1);
1483 qdev_prop_set_uint32(dev, "offset", base & region_size);
1484 qdev_init_nofail(dev);
1485
1486 i2c_dev = SYS_BUS_DEVICE(dev);
1487 sysbus_mmio_map(i2c_dev, 0, base & ~region_size);
1488 sysbus_connect_irq(i2c_dev, 0, irq);
1489
1490 s = PXA2XX_I2C(i2c_dev);
1491 /* FIXME: Should the slave device really be on a separate bus? */
1492 i2cbus = i2c_init_bus(dev, "dummy");
1493 dev = i2c_create_slave(i2cbus, TYPE_PXA2XX_I2C_SLAVE, 0);
1494 s->slave = PXA2XX_I2C_SLAVE(dev);
1495 s->slave->host = s;
1496
1497 return s;
1498 }
1499
1500 static int pxa2xx_i2c_initfn(SysBusDevice *sbd)
1501 {
1502 DeviceState *dev = DEVICE(sbd);
1503 PXA2xxI2CState *s = PXA2XX_I2C(dev);
1504
1505 s->bus = i2c_init_bus(dev, "i2c");
1506
1507 memory_region_init_io(&s->iomem, OBJECT(s), &pxa2xx_i2c_ops, s,
1508 "pxa2xx-i2c", s->region_size);
1509 sysbus_init_mmio(sbd, &s->iomem);
1510 sysbus_init_irq(sbd, &s->irq);
1511
1512 return 0;
1513 }
1514
1515 I2CBus *pxa2xx_i2c_bus(PXA2xxI2CState *s)
1516 {
1517 return s->bus;
1518 }
1519
1520 static Property pxa2xx_i2c_properties[] = {
1521 DEFINE_PROP_UINT32("size", PXA2xxI2CState, region_size, 0x10000),
1522 DEFINE_PROP_UINT32("offset", PXA2xxI2CState, offset, 0),
1523 DEFINE_PROP_END_OF_LIST(),
1524 };
1525
1526 static void pxa2xx_i2c_class_init(ObjectClass *klass, void *data)
1527 {
1528 DeviceClass *dc = DEVICE_CLASS(klass);
1529 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1530
1531 k->init = pxa2xx_i2c_initfn;
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 .class_init = pxa2xx_i2c_class_init,
1542 };
1543
1544 /* PXA Inter-IC Sound Controller */
1545 static void pxa2xx_i2s_reset(PXA2xxI2SState *i2s)
1546 {
1547 i2s->rx_len = 0;
1548 i2s->tx_len = 0;
1549 i2s->fifo_len = 0;
1550 i2s->clk = 0x1a;
1551 i2s->control[0] = 0x00;
1552 i2s->control[1] = 0x00;
1553 i2s->status = 0x00;
1554 i2s->mask = 0x00;
1555 }
1556
1557 #define SACR_TFTH(val) ((val >> 8) & 0xf)
1558 #define SACR_RFTH(val) ((val >> 12) & 0xf)
1559 #define SACR_DREC(val) (val & (1 << 3))
1560 #define SACR_DPRL(val) (val & (1 << 4))
1561
1562 static inline void pxa2xx_i2s_update(PXA2xxI2SState *i2s)
1563 {
1564 int rfs, tfs;
1565 rfs = SACR_RFTH(i2s->control[0]) < i2s->rx_len &&
1566 !SACR_DREC(i2s->control[1]);
1567 tfs = (i2s->tx_len || i2s->fifo_len < SACR_TFTH(i2s->control[0])) &&
1568 i2s->enable && !SACR_DPRL(i2s->control[1]);
1569
1570 qemu_set_irq(i2s->rx_dma, rfs);
1571 qemu_set_irq(i2s->tx_dma, tfs);
1572
1573 i2s->status &= 0xe0;
1574 if (i2s->fifo_len < 16 || !i2s->enable)
1575 i2s->status |= 1 << 0; /* TNF */
1576 if (i2s->rx_len)
1577 i2s->status |= 1 << 1; /* RNE */
1578 if (i2s->enable)
1579 i2s->status |= 1 << 2; /* BSY */
1580 if (tfs)
1581 i2s->status |= 1 << 3; /* TFS */
1582 if (rfs)
1583 i2s->status |= 1 << 4; /* RFS */
1584 if (!(i2s->tx_len && i2s->enable))
1585 i2s->status |= i2s->fifo_len << 8; /* TFL */
1586 i2s->status |= MAX(i2s->rx_len, 0xf) << 12; /* RFL */
1587
1588 qemu_set_irq(i2s->irq, i2s->status & i2s->mask);
1589 }
1590
1591 #define SACR0 0x00 /* Serial Audio Global Control register */
1592 #define SACR1 0x04 /* Serial Audio I2S/MSB-Justified Control register */
1593 #define SASR0 0x0c /* Serial Audio Interface and FIFO Status register */
1594 #define SAIMR 0x14 /* Serial Audio Interrupt Mask register */
1595 #define SAICR 0x18 /* Serial Audio Interrupt Clear register */
1596 #define SADIV 0x60 /* Serial Audio Clock Divider register */
1597 #define SADR 0x80 /* Serial Audio Data register */
1598
1599 static uint64_t pxa2xx_i2s_read(void *opaque, hwaddr addr,
1600 unsigned size)
1601 {
1602 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1603
1604 switch (addr) {
1605 case SACR0:
1606 return s->control[0];
1607 case SACR1:
1608 return s->control[1];
1609 case SASR0:
1610 return s->status;
1611 case SAIMR:
1612 return s->mask;
1613 case SAICR:
1614 return 0;
1615 case SADIV:
1616 return s->clk;
1617 case SADR:
1618 if (s->rx_len > 0) {
1619 s->rx_len --;
1620 pxa2xx_i2s_update(s);
1621 return s->codec_in(s->opaque);
1622 }
1623 return 0;
1624 default:
1625 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1626 break;
1627 }
1628 return 0;
1629 }
1630
1631 static void pxa2xx_i2s_write(void *opaque, hwaddr addr,
1632 uint64_t value, unsigned size)
1633 {
1634 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1635 uint32_t *sample;
1636
1637 switch (addr) {
1638 case SACR0:
1639 if (value & (1 << 3)) /* RST */
1640 pxa2xx_i2s_reset(s);
1641 s->control[0] = value & 0xff3d;
1642 if (!s->enable && (value & 1) && s->tx_len) { /* ENB */
1643 for (sample = s->fifo; s->fifo_len > 0; s->fifo_len --, sample ++)
1644 s->codec_out(s->opaque, *sample);
1645 s->status &= ~(1 << 7); /* I2SOFF */
1646 }
1647 if (value & (1 << 4)) /* EFWR */
1648 printf("%s: Attempt to use special function\n", __FUNCTION__);
1649 s->enable = (value & 9) == 1; /* ENB && !RST*/
1650 pxa2xx_i2s_update(s);
1651 break;
1652 case SACR1:
1653 s->control[1] = value & 0x0039;
1654 if (value & (1 << 5)) /* ENLBF */
1655 printf("%s: Attempt to use loopback function\n", __FUNCTION__);
1656 if (value & (1 << 4)) /* DPRL */
1657 s->fifo_len = 0;
1658 pxa2xx_i2s_update(s);
1659 break;
1660 case SAIMR:
1661 s->mask = value & 0x0078;
1662 pxa2xx_i2s_update(s);
1663 break;
1664 case SAICR:
1665 s->status &= ~(value & (3 << 5));
1666 pxa2xx_i2s_update(s);
1667 break;
1668 case SADIV:
1669 s->clk = value & 0x007f;
1670 break;
1671 case SADR:
1672 if (s->tx_len && s->enable) {
1673 s->tx_len --;
1674 pxa2xx_i2s_update(s);
1675 s->codec_out(s->opaque, value);
1676 } else if (s->fifo_len < 16) {
1677 s->fifo[s->fifo_len ++] = value;
1678 pxa2xx_i2s_update(s);
1679 }
1680 break;
1681 default:
1682 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1683 }
1684 }
1685
1686 static const MemoryRegionOps pxa2xx_i2s_ops = {
1687 .read = pxa2xx_i2s_read,
1688 .write = pxa2xx_i2s_write,
1689 .endianness = DEVICE_NATIVE_ENDIAN,
1690 };
1691
1692 static const VMStateDescription vmstate_pxa2xx_i2s = {
1693 .name = "pxa2xx_i2s",
1694 .version_id = 0,
1695 .minimum_version_id = 0,
1696 .fields = (VMStateField[]) {
1697 VMSTATE_UINT32_ARRAY(control, PXA2xxI2SState, 2),
1698 VMSTATE_UINT32(status, PXA2xxI2SState),
1699 VMSTATE_UINT32(mask, PXA2xxI2SState),
1700 VMSTATE_UINT32(clk, PXA2xxI2SState),
1701 VMSTATE_INT32(enable, PXA2xxI2SState),
1702 VMSTATE_INT32(rx_len, PXA2xxI2SState),
1703 VMSTATE_INT32(tx_len, PXA2xxI2SState),
1704 VMSTATE_INT32(fifo_len, PXA2xxI2SState),
1705 VMSTATE_END_OF_LIST()
1706 }
1707 };
1708
1709 static void pxa2xx_i2s_data_req(void *opaque, int tx, int rx)
1710 {
1711 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1712 uint32_t *sample;
1713
1714 /* Signal FIFO errors */
1715 if (s->enable && s->tx_len)
1716 s->status |= 1 << 5; /* TUR */
1717 if (s->enable && s->rx_len)
1718 s->status |= 1 << 6; /* ROR */
1719
1720 /* Should be tx - MIN(tx, s->fifo_len) but we don't really need to
1721 * handle the cases where it makes a difference. */
1722 s->tx_len = tx - s->fifo_len;
1723 s->rx_len = rx;
1724 /* Note that is s->codec_out wasn't set, we wouldn't get called. */
1725 if (s->enable)
1726 for (sample = s->fifo; s->fifo_len; s->fifo_len --, sample ++)
1727 s->codec_out(s->opaque, *sample);
1728 pxa2xx_i2s_update(s);
1729 }
1730
1731 static PXA2xxI2SState *pxa2xx_i2s_init(MemoryRegion *sysmem,
1732 hwaddr base,
1733 qemu_irq irq, qemu_irq rx_dma, qemu_irq tx_dma)
1734 {
1735 PXA2xxI2SState *s = g_new0(PXA2xxI2SState, 1);
1736
1737 s->irq = irq;
1738 s->rx_dma = rx_dma;
1739 s->tx_dma = tx_dma;
1740 s->data_req = pxa2xx_i2s_data_req;
1741
1742 pxa2xx_i2s_reset(s);
1743
1744 memory_region_init_io(&s->iomem, NULL, &pxa2xx_i2s_ops, s,
1745 "pxa2xx-i2s", 0x100000);
1746 memory_region_add_subregion(sysmem, base, &s->iomem);
1747
1748 vmstate_register(NULL, base, &vmstate_pxa2xx_i2s, s);
1749
1750 return s;
1751 }
1752
1753 /* PXA Fast Infra-red Communications Port */
1754 #define TYPE_PXA2XX_FIR "pxa2xx-fir"
1755 #define PXA2XX_FIR(obj) OBJECT_CHECK(PXA2xxFIrState, (obj), TYPE_PXA2XX_FIR)
1756
1757 struct PXA2xxFIrState {
1758 /*< private >*/
1759 SysBusDevice parent_obj;
1760 /*< public >*/
1761
1762 MemoryRegion iomem;
1763 qemu_irq irq;
1764 qemu_irq rx_dma;
1765 qemu_irq tx_dma;
1766 uint32_t enable;
1767 CharDriverState *chr;
1768
1769 uint8_t control[3];
1770 uint8_t status[2];
1771
1772 uint32_t rx_len;
1773 uint32_t rx_start;
1774 uint8_t rx_fifo[64];
1775 };
1776
1777 static void pxa2xx_fir_reset(DeviceState *d)
1778 {
1779 PXA2xxFIrState *s = PXA2XX_FIR(d);
1780
1781 s->control[0] = 0x00;
1782 s->control[1] = 0x00;
1783 s->control[2] = 0x00;
1784 s->status[0] = 0x00;
1785 s->status[1] = 0x00;
1786 s->enable = 0;
1787 }
1788
1789 static inline void pxa2xx_fir_update(PXA2xxFIrState *s)
1790 {
1791 static const int tresh[4] = { 8, 16, 32, 0 };
1792 int intr = 0;
1793 if ((s->control[0] & (1 << 4)) && /* RXE */
1794 s->rx_len >= tresh[s->control[2] & 3]) /* TRIG */
1795 s->status[0] |= 1 << 4; /* RFS */
1796 else
1797 s->status[0] &= ~(1 << 4); /* RFS */
1798 if (s->control[0] & (1 << 3)) /* TXE */
1799 s->status[0] |= 1 << 3; /* TFS */
1800 else
1801 s->status[0] &= ~(1 << 3); /* TFS */
1802 if (s->rx_len)
1803 s->status[1] |= 1 << 2; /* RNE */
1804 else
1805 s->status[1] &= ~(1 << 2); /* RNE */
1806 if (s->control[0] & (1 << 4)) /* RXE */
1807 s->status[1] |= 1 << 0; /* RSY */
1808 else
1809 s->status[1] &= ~(1 << 0); /* RSY */
1810
1811 intr |= (s->control[0] & (1 << 5)) && /* RIE */
1812 (s->status[0] & (1 << 4)); /* RFS */
1813 intr |= (s->control[0] & (1 << 6)) && /* TIE */
1814 (s->status[0] & (1 << 3)); /* TFS */
1815 intr |= (s->control[2] & (1 << 4)) && /* TRAIL */
1816 (s->status[0] & (1 << 6)); /* EOC */
1817 intr |= (s->control[0] & (1 << 2)) && /* TUS */
1818 (s->status[0] & (1 << 1)); /* TUR */
1819 intr |= s->status[0] & 0x25; /* FRE, RAB, EIF */
1820
1821 qemu_set_irq(s->rx_dma, (s->status[0] >> 4) & 1);
1822 qemu_set_irq(s->tx_dma, (s->status[0] >> 3) & 1);
1823
1824 qemu_set_irq(s->irq, intr && s->enable);
1825 }
1826
1827 #define ICCR0 0x00 /* FICP Control register 0 */
1828 #define ICCR1 0x04 /* FICP Control register 1 */
1829 #define ICCR2 0x08 /* FICP Control register 2 */
1830 #define ICDR 0x0c /* FICP Data register */
1831 #define ICSR0 0x14 /* FICP Status register 0 */
1832 #define ICSR1 0x18 /* FICP Status register 1 */
1833 #define ICFOR 0x1c /* FICP FIFO Occupancy Status register */
1834
1835 static uint64_t pxa2xx_fir_read(void *opaque, hwaddr addr,
1836 unsigned size)
1837 {
1838 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1839 uint8_t ret;
1840
1841 switch (addr) {
1842 case ICCR0:
1843 return s->control[0];
1844 case ICCR1:
1845 return s->control[1];
1846 case ICCR2:
1847 return s->control[2];
1848 case ICDR:
1849 s->status[0] &= ~0x01;
1850 s->status[1] &= ~0x72;
1851 if (s->rx_len) {
1852 s->rx_len --;
1853 ret = s->rx_fifo[s->rx_start ++];
1854 s->rx_start &= 63;
1855 pxa2xx_fir_update(s);
1856 return ret;
1857 }
1858 printf("%s: Rx FIFO underrun.\n", __FUNCTION__);
1859 break;
1860 case ICSR0:
1861 return s->status[0];
1862 case ICSR1:
1863 return s->status[1] | (1 << 3); /* TNF */
1864 case ICFOR:
1865 return s->rx_len;
1866 default:
1867 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1868 break;
1869 }
1870 return 0;
1871 }
1872
1873 static void pxa2xx_fir_write(void *opaque, hwaddr addr,
1874 uint64_t value64, unsigned size)
1875 {
1876 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1877 uint32_t value = value64;
1878 uint8_t ch;
1879
1880 switch (addr) {
1881 case ICCR0:
1882 s->control[0] = value;
1883 if (!(value & (1 << 4))) /* RXE */
1884 s->rx_len = s->rx_start = 0;
1885 if (!(value & (1 << 3))) { /* TXE */
1886 /* Nop */
1887 }
1888 s->enable = value & 1; /* ITR */
1889 if (!s->enable)
1890 s->status[0] = 0;
1891 pxa2xx_fir_update(s);
1892 break;
1893 case ICCR1:
1894 s->control[1] = value;
1895 break;
1896 case ICCR2:
1897 s->control[2] = value & 0x3f;
1898 pxa2xx_fir_update(s);
1899 break;
1900 case ICDR:
1901 if (s->control[2] & (1 << 2)) /* TXP */
1902 ch = value;
1903 else
1904 ch = ~value;
1905 if (s->chr && s->enable && (s->control[0] & (1 << 3))) /* TXE */
1906 qemu_chr_fe_write(s->chr, &ch, 1);
1907 break;
1908 case ICSR0:
1909 s->status[0] &= ~(value & 0x66);
1910 pxa2xx_fir_update(s);
1911 break;
1912 case ICFOR:
1913 break;
1914 default:
1915 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1916 }
1917 }
1918
1919 static const MemoryRegionOps pxa2xx_fir_ops = {
1920 .read = pxa2xx_fir_read,
1921 .write = pxa2xx_fir_write,
1922 .endianness = DEVICE_NATIVE_ENDIAN,
1923 };
1924
1925 static int pxa2xx_fir_is_empty(void *opaque)
1926 {
1927 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1928 return (s->rx_len < 64);
1929 }
1930
1931 static void pxa2xx_fir_rx(void *opaque, const uint8_t *buf, int size)
1932 {
1933 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1934 if (!(s->control[0] & (1 << 4))) /* RXE */
1935 return;
1936
1937 while (size --) {
1938 s->status[1] |= 1 << 4; /* EOF */
1939 if (s->rx_len >= 64) {
1940 s->status[1] |= 1 << 6; /* ROR */
1941 break;
1942 }
1943
1944 if (s->control[2] & (1 << 3)) /* RXP */
1945 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = *(buf ++);
1946 else
1947 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = ~*(buf ++);
1948 }
1949
1950 pxa2xx_fir_update(s);
1951 }
1952
1953 static void pxa2xx_fir_event(void *opaque, int event)
1954 {
1955 }
1956
1957 static void pxa2xx_fir_instance_init(Object *obj)
1958 {
1959 PXA2xxFIrState *s = PXA2XX_FIR(obj);
1960 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
1961
1962 memory_region_init_io(&s->iomem, obj, &pxa2xx_fir_ops, s,
1963 "pxa2xx-fir", 0x1000);
1964 sysbus_init_mmio(sbd, &s->iomem);
1965 sysbus_init_irq(sbd, &s->irq);
1966 sysbus_init_irq(sbd, &s->rx_dma);
1967 sysbus_init_irq(sbd, &s->tx_dma);
1968 }
1969
1970 static void pxa2xx_fir_realize(DeviceState *dev, Error **errp)
1971 {
1972 PXA2xxFIrState *s = PXA2XX_FIR(dev);
1973
1974 if (s->chr) {
1975 qemu_chr_fe_claim_no_fail(s->chr);
1976 qemu_chr_add_handlers(s->chr, pxa2xx_fir_is_empty,
1977 pxa2xx_fir_rx, pxa2xx_fir_event, s);
1978 }
1979 }
1980
1981 static bool pxa2xx_fir_vmstate_validate(void *opaque, int version_id)
1982 {
1983 PXA2xxFIrState *s = opaque;
1984
1985 return s->rx_start < ARRAY_SIZE(s->rx_fifo);
1986 }
1987
1988 static const VMStateDescription pxa2xx_fir_vmsd = {
1989 .name = "pxa2xx-fir",
1990 .version_id = 1,
1991 .minimum_version_id = 1,
1992 .fields = (VMStateField[]) {
1993 VMSTATE_UINT32(enable, PXA2xxFIrState),
1994 VMSTATE_UINT8_ARRAY(control, PXA2xxFIrState, 3),
1995 VMSTATE_UINT8_ARRAY(status, PXA2xxFIrState, 2),
1996 VMSTATE_UINT32(rx_len, PXA2xxFIrState),
1997 VMSTATE_UINT32(rx_start, PXA2xxFIrState),
1998 VMSTATE_VALIDATE("fifo is 64 bytes", pxa2xx_fir_vmstate_validate),
1999 VMSTATE_UINT8_ARRAY(rx_fifo, PXA2xxFIrState, 64),
2000 VMSTATE_END_OF_LIST()
2001 }
2002 };
2003
2004 static Property pxa2xx_fir_properties[] = {
2005 DEFINE_PROP_CHR("chardev", PXA2xxFIrState, chr),
2006 DEFINE_PROP_END_OF_LIST(),
2007 };
2008
2009 static void pxa2xx_fir_class_init(ObjectClass *klass, void *data)
2010 {
2011 DeviceClass *dc = DEVICE_CLASS(klass);
2012
2013 dc->realize = pxa2xx_fir_realize;
2014 dc->vmsd = &pxa2xx_fir_vmsd;
2015 dc->props = pxa2xx_fir_properties;
2016 dc->reset = pxa2xx_fir_reset;
2017 }
2018
2019 static const TypeInfo pxa2xx_fir_info = {
2020 .name = TYPE_PXA2XX_FIR,
2021 .parent = TYPE_SYS_BUS_DEVICE,
2022 .instance_size = sizeof(PXA2xxFIrState),
2023 .class_init = pxa2xx_fir_class_init,
2024 .instance_init = pxa2xx_fir_instance_init,
2025 };
2026
2027 static PXA2xxFIrState *pxa2xx_fir_init(MemoryRegion *sysmem,
2028 hwaddr base,
2029 qemu_irq irq, qemu_irq rx_dma,
2030 qemu_irq tx_dma,
2031 CharDriverState *chr)
2032 {
2033 DeviceState *dev;
2034 SysBusDevice *sbd;
2035
2036 dev = qdev_create(NULL, TYPE_PXA2XX_FIR);
2037 qdev_prop_set_chr(dev, "chardev", chr);
2038 qdev_init_nofail(dev);
2039 sbd = SYS_BUS_DEVICE(dev);
2040 sysbus_mmio_map(sbd, 0, base);
2041 sysbus_connect_irq(sbd, 0, irq);
2042 sysbus_connect_irq(sbd, 1, rx_dma);
2043 sysbus_connect_irq(sbd, 2, tx_dma);
2044 return PXA2XX_FIR(dev);
2045 }
2046
2047 static void pxa2xx_reset(void *opaque, int line, int level)
2048 {
2049 PXA2xxState *s = (PXA2xxState *) opaque;
2050
2051 if (level && (s->pm_regs[PCFR >> 2] & 0x10)) { /* GPR_EN */
2052 cpu_reset(CPU(s->cpu));
2053 /* TODO: reset peripherals */
2054 }
2055 }
2056
2057 /* Initialise a PXA270 integrated chip (ARM based core). */
2058 PXA2xxState *pxa270_init(MemoryRegion *address_space,
2059 unsigned int sdram_size, const char *revision)
2060 {
2061 PXA2xxState *s;
2062 int i;
2063 DriveInfo *dinfo;
2064 s = g_new0(PXA2xxState, 1);
2065
2066 if (revision && strncmp(revision, "pxa27", 5)) {
2067 fprintf(stderr, "Machine requires a PXA27x processor.\n");
2068 exit(1);
2069 }
2070 if (!revision)
2071 revision = "pxa270";
2072
2073 s->cpu = cpu_arm_init(revision);
2074 if (s->cpu == NULL) {
2075 fprintf(stderr, "Unable to find CPU definition\n");
2076 exit(1);
2077 }
2078 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2079
2080 /* SDRAM & Internal Memory Storage */
2081 memory_region_init_ram(&s->sdram, NULL, "pxa270.sdram", sdram_size,
2082 &error_fatal);
2083 vmstate_register_ram_global(&s->sdram);
2084 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2085 memory_region_init_ram(&s->internal, NULL, "pxa270.internal", 0x40000,
2086 &error_fatal);
2087 vmstate_register_ram_global(&s->internal);
2088 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2089 &s->internal);
2090
2091 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2092
2093 s->dma = pxa27x_dma_init(0x40000000,
2094 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2095
2096 sysbus_create_varargs("pxa27x-timer", 0x40a00000,
2097 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2098 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2099 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2100 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2101 qdev_get_gpio_in(s->pic, PXA27X_PIC_OST_4_11),
2102 NULL);
2103
2104 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 121);
2105
2106 dinfo = drive_get(IF_SD, 0, 0);
2107 if (!dinfo) {
2108 fprintf(stderr, "qemu: missing SecureDigital device\n");
2109 exit(1);
2110 }
2111 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2112 blk_by_legacy_dinfo(dinfo),
2113 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2114 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2115 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2116
2117 for (i = 0; pxa270_serial[i].io_base; i++) {
2118 if (serial_hds[i]) {
2119 serial_mm_init(address_space, pxa270_serial[i].io_base, 2,
2120 qdev_get_gpio_in(s->pic, pxa270_serial[i].irqn),
2121 14857000 / 16, serial_hds[i],
2122 DEVICE_NATIVE_ENDIAN);
2123 } else {
2124 break;
2125 }
2126 }
2127 if (serial_hds[i])
2128 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2129 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2130 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2131 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2132 serial_hds[i]);
2133
2134 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2135 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2136
2137 s->cm_base = 0x41300000;
2138 s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */
2139 s->clkcfg = 0x00000009; /* Turbo mode active */
2140 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2141 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2142 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2143
2144 pxa2xx_setup_cp14(s);
2145
2146 s->mm_base = 0x48000000;
2147 s->mm_regs[MDMRS >> 2] = 0x00020002;
2148 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2149 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2150 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2151 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2152 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2153
2154 s->pm_base = 0x40f00000;
2155 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2156 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2157 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2158
2159 for (i = 0; pxa27x_ssp[i].io_base; i ++);
2160 s->ssp = g_new0(SSIBus *, i);
2161 for (i = 0; pxa27x_ssp[i].io_base; i ++) {
2162 DeviceState *dev;
2163 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa27x_ssp[i].io_base,
2164 qdev_get_gpio_in(s->pic, pxa27x_ssp[i].irqn));
2165 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2166 }
2167
2168 if (usb_enabled()) {
2169 sysbus_create_simple("sysbus-ohci", 0x4c000000,
2170 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1));
2171 }
2172
2173 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2174 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2175
2176 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2177 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2178
2179 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2180 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2181 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2182 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2183
2184 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2185 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2186 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2187 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2188
2189 s->kp = pxa27x_keypad_init(address_space, 0x41500000,
2190 qdev_get_gpio_in(s->pic, PXA2XX_PIC_KEYPAD));
2191
2192 /* GPIO1 resets the processor */
2193 /* The handler can be overridden by board-specific code */
2194 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2195 return s;
2196 }
2197
2198 /* Initialise a PXA255 integrated chip (ARM based core). */
2199 PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size)
2200 {
2201 PXA2xxState *s;
2202 int i;
2203 DriveInfo *dinfo;
2204
2205 s = g_new0(PXA2xxState, 1);
2206
2207 s->cpu = cpu_arm_init("pxa255");
2208 if (s->cpu == NULL) {
2209 fprintf(stderr, "Unable to find CPU definition\n");
2210 exit(1);
2211 }
2212 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2213
2214 /* SDRAM & Internal Memory Storage */
2215 memory_region_init_ram(&s->sdram, NULL, "pxa255.sdram", sdram_size,
2216 &error_fatal);
2217 vmstate_register_ram_global(&s->sdram);
2218 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2219 memory_region_init_ram(&s->internal, NULL, "pxa255.internal",
2220 PXA2XX_INTERNAL_SIZE, &error_fatal);
2221 vmstate_register_ram_global(&s->internal);
2222 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2223 &s->internal);
2224
2225 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2226
2227 s->dma = pxa255_dma_init(0x40000000,
2228 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2229
2230 sysbus_create_varargs("pxa25x-timer", 0x40a00000,
2231 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2232 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2233 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2234 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2235 NULL);
2236
2237 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 85);
2238
2239 dinfo = drive_get(IF_SD, 0, 0);
2240 if (!dinfo) {
2241 fprintf(stderr, "qemu: missing SecureDigital device\n");
2242 exit(1);
2243 }
2244 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2245 blk_by_legacy_dinfo(dinfo),
2246 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2247 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2248 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2249
2250 for (i = 0; pxa255_serial[i].io_base; i++) {
2251 if (serial_hds[i]) {
2252 serial_mm_init(address_space, pxa255_serial[i].io_base, 2,
2253 qdev_get_gpio_in(s->pic, pxa255_serial[i].irqn),
2254 14745600 / 16, serial_hds[i],
2255 DEVICE_NATIVE_ENDIAN);
2256 } else {
2257 break;
2258 }
2259 }
2260 if (serial_hds[i])
2261 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2262 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2263 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2264 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2265 serial_hds[i]);
2266
2267 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2268 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2269
2270 s->cm_base = 0x41300000;
2271 s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */
2272 s->clkcfg = 0x00000009; /* Turbo mode active */
2273 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2274 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2275 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2276
2277 pxa2xx_setup_cp14(s);
2278
2279 s->mm_base = 0x48000000;
2280 s->mm_regs[MDMRS >> 2] = 0x00020002;
2281 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2282 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2283 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2284 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2285 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2286
2287 s->pm_base = 0x40f00000;
2288 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2289 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2290 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2291
2292 for (i = 0; pxa255_ssp[i].io_base; i ++);
2293 s->ssp = g_new0(SSIBus *, i);
2294 for (i = 0; pxa255_ssp[i].io_base; i ++) {
2295 DeviceState *dev;
2296 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa255_ssp[i].io_base,
2297 qdev_get_gpio_in(s->pic, pxa255_ssp[i].irqn));
2298 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2299 }
2300
2301 if (usb_enabled()) {
2302 sysbus_create_simple("sysbus-ohci", 0x4c000000,
2303 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1));
2304 }
2305
2306 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2307 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2308
2309 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2310 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2311
2312 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2313 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2314 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2315 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2316
2317 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2318 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2319 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2320 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2321
2322 /* GPIO1 resets the processor */
2323 /* The handler can be overridden by board-specific code */
2324 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2325 return s;
2326 }
2327
2328 static void pxa2xx_ssp_class_init(ObjectClass *klass, void *data)
2329 {
2330 SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
2331 DeviceClass *dc = DEVICE_CLASS(klass);
2332
2333 sdc->init = pxa2xx_ssp_init;
2334 dc->reset = pxa2xx_ssp_reset;
2335 dc->vmsd = &vmstate_pxa2xx_ssp;
2336 }
2337
2338 static const TypeInfo pxa2xx_ssp_info = {
2339 .name = TYPE_PXA2XX_SSP,
2340 .parent = TYPE_SYS_BUS_DEVICE,
2341 .instance_size = sizeof(PXA2xxSSPState),
2342 .class_init = pxa2xx_ssp_class_init,
2343 };
2344
2345 static void pxa2xx_register_types(void)
2346 {
2347 type_register_static(&pxa2xx_i2c_slave_info);
2348 type_register_static(&pxa2xx_ssp_info);
2349 type_register_static(&pxa2xx_i2c_info);
2350 type_register_static(&pxa2xx_rtc_sysbus_info);
2351 type_register_static(&pxa2xx_fir_info);
2352 }
2353
2354 type_init(pxa2xx_register_types)
AR7 emulation for QEMU