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xics/spapr: Rename xics_kvm_init()
[qemu/ar7.git] / hw / arm / pxa2xx.c
blobe2e43ae6e847a8fa769a58ea8a0f5aebb357376b
1 /*
2 * Intel XScale PXA255/270 processor support.
3 *
4 * Copyright (c) 2006 Openedhand Ltd.
5 * Written by Andrzej Zaborowski <balrog@zabor.org>
6 *
7 * This code is licensed under the GPL.
8 */
9
10 #include "qemu/osdep.h"
11 #include "qemu-common.h"
12 #include "qemu/error-report.h"
13 #include "qemu/module.h"
14 #include "qapi/error.h"
15 #include "cpu.h"
16 #include "hw/sysbus.h"
17 #include "hw/arm/pxa.h"
18 #include "sysemu/sysemu.h"
19 #include "hw/char/serial.h"
20 #include "hw/i2c/i2c.h"
21 #include "hw/ssi/ssi.h"
22 #include "chardev/char-fe.h"
23 #include "sysemu/blockdev.h"
24 #include "sysemu/qtest.h"
25 #include "qemu/cutils.h"
26
27 static struct {
28 hwaddr io_base;
29 int irqn;
30 } pxa255_serial[] = {
31 { 0x40100000, PXA2XX_PIC_FFUART },
32 { 0x40200000, PXA2XX_PIC_BTUART },
33 { 0x40700000, PXA2XX_PIC_STUART },
34 { 0x41600000, PXA25X_PIC_HWUART },
35 { 0, 0 }
36 }, pxa270_serial[] = {
37 { 0x40100000, PXA2XX_PIC_FFUART },
38 { 0x40200000, PXA2XX_PIC_BTUART },
39 { 0x40700000, PXA2XX_PIC_STUART },
40 { 0, 0 }
41 };
42
43 typedef struct PXASSPDef {
44 hwaddr io_base;
45 int irqn;
46 } PXASSPDef;
47
48 #if 0
49 static PXASSPDef pxa250_ssp[] = {
50 { 0x41000000, PXA2XX_PIC_SSP },
51 { 0, 0 }
52 };
53 #endif
54
55 static PXASSPDef pxa255_ssp[] = {
56 { 0x41000000, PXA2XX_PIC_SSP },
57 { 0x41400000, PXA25X_PIC_NSSP },
58 { 0, 0 }
59 };
60
61 #if 0
62 static PXASSPDef pxa26x_ssp[] = {
63 { 0x41000000, PXA2XX_PIC_SSP },
64 { 0x41400000, PXA25X_PIC_NSSP },
65 { 0x41500000, PXA26X_PIC_ASSP },
66 { 0, 0 }
67 };
68 #endif
69
70 static PXASSPDef pxa27x_ssp[] = {
71 { 0x41000000, PXA2XX_PIC_SSP },
72 { 0x41700000, PXA27X_PIC_SSP2 },
73 { 0x41900000, PXA2XX_PIC_SSP3 },
74 { 0, 0 }
75 };
76
77 #define PMCR 0x00 /* Power Manager Control register */
78 #define PSSR 0x04 /* Power Manager Sleep Status register */
79 #define PSPR 0x08 /* Power Manager Scratch-Pad register */
80 #define PWER 0x0c /* Power Manager Wake-Up Enable register */
81 #define PRER 0x10 /* Power Manager Rising-Edge Detect Enable register */
82 #define PFER 0x14 /* Power Manager Falling-Edge Detect Enable register */
83 #define PEDR 0x18 /* Power Manager Edge-Detect Status register */
84 #define PCFR 0x1c /* Power Manager General Configuration register */
85 #define PGSR0 0x20 /* Power Manager GPIO Sleep-State register 0 */
86 #define PGSR1 0x24 /* Power Manager GPIO Sleep-State register 1 */
87 #define PGSR2 0x28 /* Power Manager GPIO Sleep-State register 2 */
88 #define PGSR3 0x2c /* Power Manager GPIO Sleep-State register 3 */
89 #define RCSR 0x30 /* Reset Controller Status register */
90 #define PSLR 0x34 /* Power Manager Sleep Configuration register */
91 #define PTSR 0x38 /* Power Manager Standby Configuration register */
92 #define PVCR 0x40 /* Power Manager Voltage Change Control register */
93 #define PUCR 0x4c /* Power Manager USIM Card Control/Status register */
94 #define PKWR 0x50 /* Power Manager Keyboard Wake-Up Enable register */
95 #define PKSR 0x54 /* Power Manager Keyboard Level-Detect Status */
96 #define PCMD0 0x80 /* Power Manager I2C Command register File 0 */
97 #define PCMD31 0xfc /* Power Manager I2C Command register File 31 */
98
99 static uint64_t pxa2xx_pm_read(void *opaque, hwaddr addr,
100 unsigned size)
101 {
102 PXA2xxState *s = (PXA2xxState *) opaque;
103
104 switch (addr) {
105 case PMCR ... PCMD31:
106 if (addr & 3)
107 goto fail;
108
109 return s->pm_regs[addr >> 2];
110 default:
111 fail:
112 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
113 break;
114 }
115 return 0;
116 }
117
118 static void pxa2xx_pm_write(void *opaque, hwaddr addr,
119 uint64_t value, unsigned size)
120 {
121 PXA2xxState *s = (PXA2xxState *) opaque;
122
123 switch (addr) {
124 case PMCR:
125 /* Clear the write-one-to-clear bits... */
126 s->pm_regs[addr >> 2] &= ~(value & 0x2a);
127 /* ...and set the plain r/w bits */
128 s->pm_regs[addr >> 2] &= ~0x15;
129 s->pm_regs[addr >> 2] |= value & 0x15;
130 break;
131
132 case PSSR: /* Read-clean registers */
133 case RCSR:
134 case PKSR:
135 s->pm_regs[addr >> 2] &= ~value;
136 break;
137
138 default: /* Read-write registers */
139 if (!(addr & 3)) {
140 s->pm_regs[addr >> 2] = value;
141 break;
142 }
143
144 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
145 break;
146 }
147 }
148
149 static const MemoryRegionOps pxa2xx_pm_ops = {
150 .read = pxa2xx_pm_read,
151 .write = pxa2xx_pm_write,
152 .endianness = DEVICE_NATIVE_ENDIAN,
153 };
154
155 static const VMStateDescription vmstate_pxa2xx_pm = {
156 .name = "pxa2xx_pm",
157 .version_id = 0,
158 .minimum_version_id = 0,
159 .fields = (VMStateField[]) {
160 VMSTATE_UINT32_ARRAY(pm_regs, PXA2xxState, 0x40),
161 VMSTATE_END_OF_LIST()
162 }
163 };
164
165 #define CCCR 0x00 /* Core Clock Configuration register */
166 #define CKEN 0x04 /* Clock Enable register */
167 #define OSCC 0x08 /* Oscillator Configuration register */
168 #define CCSR 0x0c /* Core Clock Status register */
169
170 static uint64_t pxa2xx_cm_read(void *opaque, hwaddr addr,
171 unsigned size)
172 {
173 PXA2xxState *s = (PXA2xxState *) opaque;
174
175 switch (addr) {
176 case CCCR:
177 case CKEN:
178 case OSCC:
179 return s->cm_regs[addr >> 2];
180
181 case CCSR:
182 return s->cm_regs[CCCR >> 2] | (3 << 28);
183
184 default:
185 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
186 break;
187 }
188 return 0;
189 }
190
191 static void pxa2xx_cm_write(void *opaque, hwaddr addr,
192 uint64_t value, unsigned size)
193 {
194 PXA2xxState *s = (PXA2xxState *) opaque;
195
196 switch (addr) {
197 case CCCR:
198 case CKEN:
199 s->cm_regs[addr >> 2] = value;
200 break;
201
202 case OSCC:
203 s->cm_regs[addr >> 2] &= ~0x6c;
204 s->cm_regs[addr >> 2] |= value & 0x6e;
205 if ((value >> 1) & 1) /* OON */
206 s->cm_regs[addr >> 2] |= 1 << 0; /* Oscillator is now stable */
207 break;
208
209 default:
210 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
211 break;
212 }
213 }
214
215 static const MemoryRegionOps pxa2xx_cm_ops = {
216 .read = pxa2xx_cm_read,
217 .write = pxa2xx_cm_write,
218 .endianness = DEVICE_NATIVE_ENDIAN,
219 };
220
221 static const VMStateDescription vmstate_pxa2xx_cm = {
222 .name = "pxa2xx_cm",
223 .version_id = 0,
224 .minimum_version_id = 0,
225 .fields = (VMStateField[]) {
226 VMSTATE_UINT32_ARRAY(cm_regs, PXA2xxState, 4),
227 VMSTATE_UINT32(clkcfg, PXA2xxState),
228 VMSTATE_UINT32(pmnc, PXA2xxState),
229 VMSTATE_END_OF_LIST()
230 }
231 };
232
233 static uint64_t pxa2xx_clkcfg_read(CPUARMState *env, const ARMCPRegInfo *ri)
234 {
235 PXA2xxState *s = (PXA2xxState *)ri->opaque;
236 return s->clkcfg;
237 }
238
239 static void pxa2xx_clkcfg_write(CPUARMState *env, const ARMCPRegInfo *ri,
240 uint64_t value)
241 {
242 PXA2xxState *s = (PXA2xxState *)ri->opaque;
243 s->clkcfg = value & 0xf;
244 if (value & 2) {
245 printf("%s: CPU frequency change attempt\n", __func__);
246 }
247 }
248
249 static void pxa2xx_pwrmode_write(CPUARMState *env, const ARMCPRegInfo *ri,
250 uint64_t value)
251 {
252 PXA2xxState *s = (PXA2xxState *)ri->opaque;
253 static const char *pwrmode[8] = {
254 "Normal", "Idle", "Deep-idle", "Standby",
255 "Sleep", "reserved (!)", "reserved (!)", "Deep-sleep",
256 };
257
258 if (value & 8) {
259 printf("%s: CPU voltage change attempt\n", __func__);
260 }
261 switch (value & 7) {
262 case 0:
263 /* Do nothing */
264 break;
265
266 case 1:
267 /* Idle */
268 if (!(s->cm_regs[CCCR >> 2] & (1U << 31))) { /* CPDIS */
269 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
270 break;
271 }
272 /* Fall through. */
273
274 case 2:
275 /* Deep-Idle */
276 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
277 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
278 goto message;
279
280 case 3:
281 s->cpu->env.uncached_cpsr = ARM_CPU_MODE_SVC;
282 s->cpu->env.daif = PSTATE_A | PSTATE_F | PSTATE_I;
283 s->cpu->env.cp15.sctlr_ns = 0;
284 s->cpu->env.cp15.cpacr_el1 = 0;
285 s->cpu->env.cp15.ttbr0_el[1] = 0;
286 s->cpu->env.cp15.dacr_ns = 0;
287 s->pm_regs[PSSR >> 2] |= 0x8; /* Set STS */
288 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
289
290 /*
291 * The scratch-pad register is almost universally used
292 * for storing the return address on suspend. For the
293 * lack of a resuming bootloader, perform a jump
294 * directly to that address.
295 */
296 memset(s->cpu->env.regs, 0, 4 * 15);
297 s->cpu->env.regs[15] = s->pm_regs[PSPR >> 2];
298
299 #if 0
300 buffer = 0xe59ff000; /* ldr pc, [pc, #0] */
301 cpu_physical_memory_write(0, &buffer, 4);
302 buffer = s->pm_regs[PSPR >> 2];
303 cpu_physical_memory_write(8, &buffer, 4);
304 #endif
305
306 /* Suspend */
307 cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT);
308
309 goto message;
310
311 default:
312 message:
313 printf("%s: machine entered %s mode\n", __func__,
314 pwrmode[value & 7]);
315 }
316 }
317
318 static uint64_t pxa2xx_cppmnc_read(CPUARMState *env, const ARMCPRegInfo *ri)
319 {
320 PXA2xxState *s = (PXA2xxState *)ri->opaque;
321 return s->pmnc;
322 }
323
324 static void pxa2xx_cppmnc_write(CPUARMState *env, const ARMCPRegInfo *ri,
325 uint64_t value)
326 {
327 PXA2xxState *s = (PXA2xxState *)ri->opaque;
328 s->pmnc = value;
329 }
330
331 static uint64_t pxa2xx_cpccnt_read(CPUARMState *env, const ARMCPRegInfo *ri)
332 {
333 PXA2xxState *s = (PXA2xxState *)ri->opaque;
334 if (s->pmnc & 1) {
335 return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
336 } else {
337 return 0;
338 }
339 }
340
341 static const ARMCPRegInfo pxa_cp_reginfo[] = {
342 /* cp14 crm==1: perf registers */
343 { .name = "CPPMNC", .cp = 14, .crn = 0, .crm = 1, .opc1 = 0, .opc2 = 0,
344 .access = PL1_RW, .type = ARM_CP_IO,
345 .readfn = pxa2xx_cppmnc_read, .writefn = pxa2xx_cppmnc_write },
346 { .name = "CPCCNT", .cp = 14, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0,
347 .access = PL1_RW, .type = ARM_CP_IO,
348 .readfn = pxa2xx_cpccnt_read, .writefn = arm_cp_write_ignore },
349 { .name = "CPINTEN", .cp = 14, .crn = 4, .crm = 1, .opc1 = 0, .opc2 = 0,
350 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
351 { .name = "CPFLAG", .cp = 14, .crn = 5, .crm = 1, .opc1 = 0, .opc2 = 0,
352 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
353 { .name = "CPEVTSEL", .cp = 14, .crn = 8, .crm = 1, .opc1 = 0, .opc2 = 0,
354 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
355 /* cp14 crm==2: performance count registers */
356 { .name = "CPPMN0", .cp = 14, .crn = 0, .crm = 2, .opc1 = 0, .opc2 = 0,
357 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
358 { .name = "CPPMN1", .cp = 14, .crn = 1, .crm = 2, .opc1 = 0, .opc2 = 0,
359 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
360 { .name = "CPPMN2", .cp = 14, .crn = 2, .crm = 2, .opc1 = 0, .opc2 = 0,
361 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
362 { .name = "CPPMN3", .cp = 14, .crn = 2, .crm = 3, .opc1 = 0, .opc2 = 0,
363 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
364 /* cp14 crn==6: CLKCFG */
365 { .name = "CLKCFG", .cp = 14, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 0,
366 .access = PL1_RW, .type = ARM_CP_IO,
367 .readfn = pxa2xx_clkcfg_read, .writefn = pxa2xx_clkcfg_write },
368 /* cp14 crn==7: PWRMODE */
369 { .name = "PWRMODE", .cp = 14, .crn = 7, .crm = 0, .opc1 = 0, .opc2 = 0,
370 .access = PL1_RW, .type = ARM_CP_IO,
371 .readfn = arm_cp_read_zero, .writefn = pxa2xx_pwrmode_write },
372 REGINFO_SENTINEL
373 };
374
375 static void pxa2xx_setup_cp14(PXA2xxState *s)
376 {
377 define_arm_cp_regs_with_opaque(s->cpu, pxa_cp_reginfo, s);
378 }
379
380 #define MDCNFG 0x00 /* SDRAM Configuration register */
381 #define MDREFR 0x04 /* SDRAM Refresh Control register */
382 #define MSC0 0x08 /* Static Memory Control register 0 */
383 #define MSC1 0x0c /* Static Memory Control register 1 */
384 #define MSC2 0x10 /* Static Memory Control register 2 */
385 #define MECR 0x14 /* Expansion Memory Bus Config register */
386 #define SXCNFG 0x1c /* Synchronous Static Memory Config register */
387 #define MCMEM0 0x28 /* PC Card Memory Socket 0 Timing register */
388 #define MCMEM1 0x2c /* PC Card Memory Socket 1 Timing register */
389 #define MCATT0 0x30 /* PC Card Attribute Socket 0 register */
390 #define MCATT1 0x34 /* PC Card Attribute Socket 1 register */
391 #define MCIO0 0x38 /* PC Card I/O Socket 0 Timing register */
392 #define MCIO1 0x3c /* PC Card I/O Socket 1 Timing register */
393 #define MDMRS 0x40 /* SDRAM Mode Register Set Config register */
394 #define BOOT_DEF 0x44 /* Boot-time Default Configuration register */
395 #define ARB_CNTL 0x48 /* Arbiter Control register */
396 #define BSCNTR0 0x4c /* Memory Buffer Strength Control register 0 */
397 #define BSCNTR1 0x50 /* Memory Buffer Strength Control register 1 */
398 #define LCDBSCNTR 0x54 /* LCD Buffer Strength Control register */
399 #define MDMRSLP 0x58 /* Low Power SDRAM Mode Set Config register */
400 #define BSCNTR2 0x5c /* Memory Buffer Strength Control register 2 */
401 #define BSCNTR3 0x60 /* Memory Buffer Strength Control register 3 */
402 #define SA1110 0x64 /* SA-1110 Memory Compatibility register */
403
404 static uint64_t pxa2xx_mm_read(void *opaque, hwaddr addr,
405 unsigned size)
406 {
407 PXA2xxState *s = (PXA2xxState *) opaque;
408
409 switch (addr) {
410 case MDCNFG ... SA1110:
411 if ((addr & 3) == 0)
412 return s->mm_regs[addr >> 2];
413 /* fall through */
414 default:
415 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
416 break;
417 }
418 return 0;
419 }
420
421 static void pxa2xx_mm_write(void *opaque, hwaddr addr,
422 uint64_t value, unsigned size)
423 {
424 PXA2xxState *s = (PXA2xxState *) opaque;
425
426 switch (addr) {
427 case MDCNFG ... SA1110:
428 if ((addr & 3) == 0) {
429 s->mm_regs[addr >> 2] = value;
430 break;
431 }
432
433 default:
434 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
435 break;
436 }
437 }
438
439 static const MemoryRegionOps pxa2xx_mm_ops = {
440 .read = pxa2xx_mm_read,
441 .write = pxa2xx_mm_write,
442 .endianness = DEVICE_NATIVE_ENDIAN,
443 };
444
445 static const VMStateDescription vmstate_pxa2xx_mm = {
446 .name = "pxa2xx_mm",
447 .version_id = 0,
448 .minimum_version_id = 0,
449 .fields = (VMStateField[]) {
450 VMSTATE_UINT32_ARRAY(mm_regs, PXA2xxState, 0x1a),
451 VMSTATE_END_OF_LIST()
452 }
453 };
454
455 #define TYPE_PXA2XX_SSP "pxa2xx-ssp"
456 #define PXA2XX_SSP(obj) \
457 OBJECT_CHECK(PXA2xxSSPState, (obj), TYPE_PXA2XX_SSP)
458
459 /* Synchronous Serial Ports */
460 typedef struct {
461 /*< private >*/
462 SysBusDevice parent_obj;
463 /*< public >*/
464
465 MemoryRegion iomem;
466 qemu_irq irq;
467 uint32_t enable;
468 SSIBus *bus;
469
470 uint32_t sscr[2];
471 uint32_t sspsp;
472 uint32_t ssto;
473 uint32_t ssitr;
474 uint32_t sssr;
475 uint8_t sstsa;
476 uint8_t ssrsa;
477 uint8_t ssacd;
478
479 uint32_t rx_fifo[16];
480 uint32_t rx_level;
481 uint32_t rx_start;
482 } PXA2xxSSPState;
483
484 static bool pxa2xx_ssp_vmstate_validate(void *opaque, int version_id)
485 {
486 PXA2xxSSPState *s = opaque;
487
488 return s->rx_start < sizeof(s->rx_fifo);
489 }
490
491 static const VMStateDescription vmstate_pxa2xx_ssp = {
492 .name = "pxa2xx-ssp",
493 .version_id = 1,
494 .minimum_version_id = 1,
495 .fields = (VMStateField[]) {
496 VMSTATE_UINT32(enable, PXA2xxSSPState),
497 VMSTATE_UINT32_ARRAY(sscr, PXA2xxSSPState, 2),
498 VMSTATE_UINT32(sspsp, PXA2xxSSPState),
499 VMSTATE_UINT32(ssto, PXA2xxSSPState),
500 VMSTATE_UINT32(ssitr, PXA2xxSSPState),
501 VMSTATE_UINT32(sssr, PXA2xxSSPState),
502 VMSTATE_UINT8(sstsa, PXA2xxSSPState),
503 VMSTATE_UINT8(ssrsa, PXA2xxSSPState),
504 VMSTATE_UINT8(ssacd, PXA2xxSSPState),
505 VMSTATE_UINT32(rx_level, PXA2xxSSPState),
506 VMSTATE_UINT32(rx_start, PXA2xxSSPState),
507 VMSTATE_VALIDATE("fifo is 16 bytes", pxa2xx_ssp_vmstate_validate),
508 VMSTATE_UINT32_ARRAY(rx_fifo, PXA2xxSSPState, 16),
509 VMSTATE_END_OF_LIST()
510 }
511 };
512
513 #define SSCR0 0x00 /* SSP Control register 0 */
514 #define SSCR1 0x04 /* SSP Control register 1 */
515 #define SSSR 0x08 /* SSP Status register */
516 #define SSITR 0x0c /* SSP Interrupt Test register */
517 #define SSDR 0x10 /* SSP Data register */
518 #define SSTO 0x28 /* SSP Time-Out register */
519 #define SSPSP 0x2c /* SSP Programmable Serial Protocol register */
520 #define SSTSA 0x30 /* SSP TX Time Slot Active register */
521 #define SSRSA 0x34 /* SSP RX Time Slot Active register */
522 #define SSTSS 0x38 /* SSP Time Slot Status register */
523 #define SSACD 0x3c /* SSP Audio Clock Divider register */
524
525 /* Bitfields for above registers */
526 #define SSCR0_SPI(x) (((x) & 0x30) == 0x00)
527 #define SSCR0_SSP(x) (((x) & 0x30) == 0x10)
528 #define SSCR0_UWIRE(x) (((x) & 0x30) == 0x20)
529 #define SSCR0_PSP(x) (((x) & 0x30) == 0x30)
530 #define SSCR0_SSE (1 << 7)
531 #define SSCR0_RIM (1 << 22)
532 #define SSCR0_TIM (1 << 23)
533 #define SSCR0_MOD (1U << 31)
534 #define SSCR0_DSS(x) (((((x) >> 16) & 0x10) | ((x) & 0xf)) + 1)
535 #define SSCR1_RIE (1 << 0)
536 #define SSCR1_TIE (1 << 1)
537 #define SSCR1_LBM (1 << 2)
538 #define SSCR1_MWDS (1 << 5)
539 #define SSCR1_TFT(x) ((((x) >> 6) & 0xf) + 1)
540 #define SSCR1_RFT(x) ((((x) >> 10) & 0xf) + 1)
541 #define SSCR1_EFWR (1 << 14)
542 #define SSCR1_PINTE (1 << 18)
543 #define SSCR1_TINTE (1 << 19)
544 #define SSCR1_RSRE (1 << 20)
545 #define SSCR1_TSRE (1 << 21)
546 #define SSCR1_EBCEI (1 << 29)
547 #define SSITR_INT (7 << 5)
548 #define SSSR_TNF (1 << 2)
549 #define SSSR_RNE (1 << 3)
550 #define SSSR_TFS (1 << 5)
551 #define SSSR_RFS (1 << 6)
552 #define SSSR_ROR (1 << 7)
553 #define SSSR_PINT (1 << 18)
554 #define SSSR_TINT (1 << 19)
555 #define SSSR_EOC (1 << 20)
556 #define SSSR_TUR (1 << 21)
557 #define SSSR_BCE (1 << 23)
558 #define SSSR_RW 0x00bc0080
559
560 static void pxa2xx_ssp_int_update(PXA2xxSSPState *s)
561 {
562 int level = 0;
563
564 level |= s->ssitr & SSITR_INT;
565 level |= (s->sssr & SSSR_BCE) && (s->sscr[1] & SSCR1_EBCEI);
566 level |= (s->sssr & SSSR_TUR) && !(s->sscr[0] & SSCR0_TIM);
567 level |= (s->sssr & SSSR_EOC) && (s->sssr & (SSSR_TINT | SSSR_PINT));
568 level |= (s->sssr & SSSR_TINT) && (s->sscr[1] & SSCR1_TINTE);
569 level |= (s->sssr & SSSR_PINT) && (s->sscr[1] & SSCR1_PINTE);
570 level |= (s->sssr & SSSR_ROR) && !(s->sscr[0] & SSCR0_RIM);
571 level |= (s->sssr & SSSR_RFS) && (s->sscr[1] & SSCR1_RIE);
572 level |= (s->sssr & SSSR_TFS) && (s->sscr[1] & SSCR1_TIE);
573 qemu_set_irq(s->irq, !!level);
574 }
575
576 static void pxa2xx_ssp_fifo_update(PXA2xxSSPState *s)
577 {
578 s->sssr &= ~(0xf << 12); /* Clear RFL */
579 s->sssr &= ~(0xf << 8); /* Clear TFL */
580 s->sssr &= ~SSSR_TFS;
581 s->sssr &= ~SSSR_TNF;
582 if (s->enable) {
583 s->sssr |= ((s->rx_level - 1) & 0xf) << 12;
584 if (s->rx_level >= SSCR1_RFT(s->sscr[1]))
585 s->sssr |= SSSR_RFS;
586 else
587 s->sssr &= ~SSSR_RFS;
588 if (s->rx_level)
589 s->sssr |= SSSR_RNE;
590 else
591 s->sssr &= ~SSSR_RNE;
592 /* TX FIFO is never filled, so it is always in underrun
593 condition if SSP is enabled */
594 s->sssr |= SSSR_TFS;
595 s->sssr |= SSSR_TNF;
596 }
597
598 pxa2xx_ssp_int_update(s);
599 }
600
601 static uint64_t pxa2xx_ssp_read(void *opaque, hwaddr addr,
602 unsigned size)
603 {
604 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
605 uint32_t retval;
606
607 switch (addr) {
608 case SSCR0:
609 return s->sscr[0];
610 case SSCR1:
611 return s->sscr[1];
612 case SSPSP:
613 return s->sspsp;
614 case SSTO:
615 return s->ssto;
616 case SSITR:
617 return s->ssitr;
618 case SSSR:
619 return s->sssr | s->ssitr;
620 case SSDR:
621 if (!s->enable)
622 return 0xffffffff;
623 if (s->rx_level < 1) {
624 printf("%s: SSP Rx Underrun\n", __func__);
625 return 0xffffffff;
626 }
627 s->rx_level --;
628 retval = s->rx_fifo[s->rx_start ++];
629 s->rx_start &= 0xf;
630 pxa2xx_ssp_fifo_update(s);
631 return retval;
632 case SSTSA:
633 return s->sstsa;
634 case SSRSA:
635 return s->ssrsa;
636 case SSTSS:
637 return 0;
638 case SSACD:
639 return s->ssacd;
640 default:
641 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
642 break;
643 }
644 return 0;
645 }
646
647 static void pxa2xx_ssp_write(void *opaque, hwaddr addr,
648 uint64_t value64, unsigned size)
649 {
650 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
651 uint32_t value = value64;
652
653 switch (addr) {
654 case SSCR0:
655 s->sscr[0] = value & 0xc7ffffff;
656 s->enable = value & SSCR0_SSE;
657 if (value & SSCR0_MOD)
658 printf("%s: Attempt to use network mode\n", __func__);
659 if (s->enable && SSCR0_DSS(value) < 4)
660 printf("%s: Wrong data size: %i bits\n", __func__,
661 SSCR0_DSS(value));
662 if (!(value & SSCR0_SSE)) {
663 s->sssr = 0;
664 s->ssitr = 0;
665 s->rx_level = 0;
666 }
667 pxa2xx_ssp_fifo_update(s);
668 break;
669
670 case SSCR1:
671 s->sscr[1] = value;
672 if (value & (SSCR1_LBM | SSCR1_EFWR))
673 printf("%s: Attempt to use SSP test mode\n", __func__);
674 pxa2xx_ssp_fifo_update(s);
675 break;
676
677 case SSPSP:
678 s->sspsp = value;
679 break;
680
681 case SSTO:
682 s->ssto = value;
683 break;
684
685 case SSITR:
686 s->ssitr = value & SSITR_INT;
687 pxa2xx_ssp_int_update(s);
688 break;
689
690 case SSSR:
691 s->sssr &= ~(value & SSSR_RW);
692 pxa2xx_ssp_int_update(s);
693 break;
694
695 case SSDR:
696 if (SSCR0_UWIRE(s->sscr[0])) {
697 if (s->sscr[1] & SSCR1_MWDS)
698 value &= 0xffff;
699 else
700 value &= 0xff;
701 } else
702 /* Note how 32bits overflow does no harm here */
703 value &= (1 << SSCR0_DSS(s->sscr[0])) - 1;
704
705 /* Data goes from here to the Tx FIFO and is shifted out from
706 * there directly to the slave, no need to buffer it.
707 */
708 if (s->enable) {
709 uint32_t readval;
710 readval = ssi_transfer(s->bus, value);
711 if (s->rx_level < 0x10) {
712 s->rx_fifo[(s->rx_start + s->rx_level ++) & 0xf] = readval;
713 } else {
714 s->sssr |= SSSR_ROR;
715 }
716 }
717 pxa2xx_ssp_fifo_update(s);
718 break;
719
720 case SSTSA:
721 s->sstsa = value;
722 break;
723
724 case SSRSA:
725 s->ssrsa = value;
726 break;
727
728 case SSACD:
729 s->ssacd = value;
730 break;
731
732 default:
733 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
734 break;
735 }
736 }
737
738 static const MemoryRegionOps pxa2xx_ssp_ops = {
739 .read = pxa2xx_ssp_read,
740 .write = pxa2xx_ssp_write,
741 .endianness = DEVICE_NATIVE_ENDIAN,
742 };
743
744 static void pxa2xx_ssp_reset(DeviceState *d)
745 {
746 PXA2xxSSPState *s = PXA2XX_SSP(d);
747
748 s->enable = 0;
749 s->sscr[0] = s->sscr[1] = 0;
750 s->sspsp = 0;
751 s->ssto = 0;
752 s->ssitr = 0;
753 s->sssr = 0;
754 s->sstsa = 0;
755 s->ssrsa = 0;
756 s->ssacd = 0;
757 s->rx_start = s->rx_level = 0;
758 }
759
760 static void pxa2xx_ssp_init(Object *obj)
761 {
762 DeviceState *dev = DEVICE(obj);
763 PXA2xxSSPState *s = PXA2XX_SSP(obj);
764 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
765 sysbus_init_irq(sbd, &s->irq);
766
767 memory_region_init_io(&s->iomem, obj, &pxa2xx_ssp_ops, s,
768 "pxa2xx-ssp", 0x1000);
769 sysbus_init_mmio(sbd, &s->iomem);
770
771 s->bus = ssi_create_bus(dev, "ssi");
772 }
773
774 /* Real-Time Clock */
775 #define RCNR 0x00 /* RTC Counter register */
776 #define RTAR 0x04 /* RTC Alarm register */
777 #define RTSR 0x08 /* RTC Status register */
778 #define RTTR 0x0c /* RTC Timer Trim register */
779 #define RDCR 0x10 /* RTC Day Counter register */
780 #define RYCR 0x14 /* RTC Year Counter register */
781 #define RDAR1 0x18 /* RTC Wristwatch Day Alarm register 1 */
782 #define RYAR1 0x1c /* RTC Wristwatch Year Alarm register 1 */
783 #define RDAR2 0x20 /* RTC Wristwatch Day Alarm register 2 */
784 #define RYAR2 0x24 /* RTC Wristwatch Year Alarm register 2 */
785 #define SWCR 0x28 /* RTC Stopwatch Counter register */
786 #define SWAR1 0x2c /* RTC Stopwatch Alarm register 1 */
787 #define SWAR2 0x30 /* RTC Stopwatch Alarm register 2 */
788 #define RTCPICR 0x34 /* RTC Periodic Interrupt Counter register */
789 #define PIAR 0x38 /* RTC Periodic Interrupt Alarm register */
790
791 #define TYPE_PXA2XX_RTC "pxa2xx_rtc"
792 #define PXA2XX_RTC(obj) \
793 OBJECT_CHECK(PXA2xxRTCState, (obj), TYPE_PXA2XX_RTC)
794
795 typedef struct {
796 /*< private >*/
797 SysBusDevice parent_obj;
798 /*< public >*/
799
800 MemoryRegion iomem;
801 uint32_t rttr;
802 uint32_t rtsr;
803 uint32_t rtar;
804 uint32_t rdar1;
805 uint32_t rdar2;
806 uint32_t ryar1;
807 uint32_t ryar2;
808 uint32_t swar1;
809 uint32_t swar2;
810 uint32_t piar;
811 uint32_t last_rcnr;
812 uint32_t last_rdcr;
813 uint32_t last_rycr;
814 uint32_t last_swcr;
815 uint32_t last_rtcpicr;
816 int64_t last_hz;
817 int64_t last_sw;
818 int64_t last_pi;
819 QEMUTimer *rtc_hz;
820 QEMUTimer *rtc_rdal1;
821 QEMUTimer *rtc_rdal2;
822 QEMUTimer *rtc_swal1;
823 QEMUTimer *rtc_swal2;
824 QEMUTimer *rtc_pi;
825 qemu_irq rtc_irq;
826 } PXA2xxRTCState;
827
828 static inline void pxa2xx_rtc_int_update(PXA2xxRTCState *s)
829 {
830 qemu_set_irq(s->rtc_irq, !!(s->rtsr & 0x2553));
831 }
832
833 static void pxa2xx_rtc_hzupdate(PXA2xxRTCState *s)
834 {
835 int64_t rt = qemu_clock_get_ms(rtc_clock);
836 s->last_rcnr += ((rt - s->last_hz) << 15) /
837 (1000 * ((s->rttr & 0xffff) + 1));
838 s->last_rdcr += ((rt - s->last_hz) << 15) /
839 (1000 * ((s->rttr & 0xffff) + 1));
840 s->last_hz = rt;
841 }
842
843 static void pxa2xx_rtc_swupdate(PXA2xxRTCState *s)
844 {
845 int64_t rt = qemu_clock_get_ms(rtc_clock);
846 if (s->rtsr & (1 << 12))
847 s->last_swcr += (rt - s->last_sw) / 10;
848 s->last_sw = rt;
849 }
850
851 static void pxa2xx_rtc_piupdate(PXA2xxRTCState *s)
852 {
853 int64_t rt = qemu_clock_get_ms(rtc_clock);
854 if (s->rtsr & (1 << 15))
855 s->last_swcr += rt - s->last_pi;
856 s->last_pi = rt;
857 }
858
859 static inline void pxa2xx_rtc_alarm_update(PXA2xxRTCState *s,
860 uint32_t rtsr)
861 {
862 if ((rtsr & (1 << 2)) && !(rtsr & (1 << 0)))
863 timer_mod(s->rtc_hz, s->last_hz +
864 (((s->rtar - s->last_rcnr) * 1000 *
865 ((s->rttr & 0xffff) + 1)) >> 15));
866 else
867 timer_del(s->rtc_hz);
868
869 if ((rtsr & (1 << 5)) && !(rtsr & (1 << 4)))
870 timer_mod(s->rtc_rdal1, s->last_hz +
871 (((s->rdar1 - s->last_rdcr) * 1000 *
872 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
873 else
874 timer_del(s->rtc_rdal1);
875
876 if ((rtsr & (1 << 7)) && !(rtsr & (1 << 6)))
877 timer_mod(s->rtc_rdal2, s->last_hz +
878 (((s->rdar2 - s->last_rdcr) * 1000 *
879 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
880 else
881 timer_del(s->rtc_rdal2);
882
883 if ((rtsr & 0x1200) == 0x1200 && !(rtsr & (1 << 8)))
884 timer_mod(s->rtc_swal1, s->last_sw +
885 (s->swar1 - s->last_swcr) * 10); /* TODO: fixup */
886 else
887 timer_del(s->rtc_swal1);
888
889 if ((rtsr & 0x1800) == 0x1800 && !(rtsr & (1 << 10)))
890 timer_mod(s->rtc_swal2, s->last_sw +
891 (s->swar2 - s->last_swcr) * 10); /* TODO: fixup */
892 else
893 timer_del(s->rtc_swal2);
894
895 if ((rtsr & 0xc000) == 0xc000 && !(rtsr & (1 << 13)))
896 timer_mod(s->rtc_pi, s->last_pi +
897 (s->piar & 0xffff) - s->last_rtcpicr);
898 else
899 timer_del(s->rtc_pi);
900 }
901
902 static inline void pxa2xx_rtc_hz_tick(void *opaque)
903 {
904 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
905 s->rtsr |= (1 << 0);
906 pxa2xx_rtc_alarm_update(s, s->rtsr);
907 pxa2xx_rtc_int_update(s);
908 }
909
910 static inline void pxa2xx_rtc_rdal1_tick(void *opaque)
911 {
912 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
913 s->rtsr |= (1 << 4);
914 pxa2xx_rtc_alarm_update(s, s->rtsr);
915 pxa2xx_rtc_int_update(s);
916 }
917
918 static inline void pxa2xx_rtc_rdal2_tick(void *opaque)
919 {
920 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
921 s->rtsr |= (1 << 6);
922 pxa2xx_rtc_alarm_update(s, s->rtsr);
923 pxa2xx_rtc_int_update(s);
924 }
925
926 static inline void pxa2xx_rtc_swal1_tick(void *opaque)
927 {
928 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
929 s->rtsr |= (1 << 8);
930 pxa2xx_rtc_alarm_update(s, s->rtsr);
931 pxa2xx_rtc_int_update(s);
932 }
933
934 static inline void pxa2xx_rtc_swal2_tick(void *opaque)
935 {
936 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
937 s->rtsr |= (1 << 10);
938 pxa2xx_rtc_alarm_update(s, s->rtsr);
939 pxa2xx_rtc_int_update(s);
940 }
941
942 static inline void pxa2xx_rtc_pi_tick(void *opaque)
943 {
944 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
945 s->rtsr |= (1 << 13);
946 pxa2xx_rtc_piupdate(s);
947 s->last_rtcpicr = 0;
948 pxa2xx_rtc_alarm_update(s, s->rtsr);
949 pxa2xx_rtc_int_update(s);
950 }
951
952 static uint64_t pxa2xx_rtc_read(void *opaque, hwaddr addr,
953 unsigned size)
954 {
955 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
956
957 switch (addr) {
958 case RTTR:
959 return s->rttr;
960 case RTSR:
961 return s->rtsr;
962 case RTAR:
963 return s->rtar;
964 case RDAR1:
965 return s->rdar1;
966 case RDAR2:
967 return s->rdar2;
968 case RYAR1:
969 return s->ryar1;
970 case RYAR2:
971 return s->ryar2;
972 case SWAR1:
973 return s->swar1;
974 case SWAR2:
975 return s->swar2;
976 case PIAR:
977 return s->piar;
978 case RCNR:
979 return s->last_rcnr +
980 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) /
981 (1000 * ((s->rttr & 0xffff) + 1));
982 case RDCR:
983 return s->last_rdcr +
984 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) /
985 (1000 * ((s->rttr & 0xffff) + 1));
986 case RYCR:
987 return s->last_rycr;
988 case SWCR:
989 if (s->rtsr & (1 << 12))
990 return s->last_swcr +
991 (qemu_clock_get_ms(rtc_clock) - s->last_sw) / 10;
992 else
993 return s->last_swcr;
994 default:
995 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
996 break;
997 }
998 return 0;
999 }
1000
1001 static void pxa2xx_rtc_write(void *opaque, hwaddr addr,
1002 uint64_t value64, unsigned size)
1003 {
1004 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1005 uint32_t value = value64;
1006
1007 switch (addr) {
1008 case RTTR:
1009 if (!(s->rttr & (1U << 31))) {
1010 pxa2xx_rtc_hzupdate(s);
1011 s->rttr = value;
1012 pxa2xx_rtc_alarm_update(s, s->rtsr);
1013 }
1014 break;
1015
1016 case RTSR:
1017 if ((s->rtsr ^ value) & (1 << 15))
1018 pxa2xx_rtc_piupdate(s);
1019
1020 if ((s->rtsr ^ value) & (1 << 12))
1021 pxa2xx_rtc_swupdate(s);
1022
1023 if (((s->rtsr ^ value) & 0x4aac) | (value & ~0xdaac))
1024 pxa2xx_rtc_alarm_update(s, value);
1025
1026 s->rtsr = (value & 0xdaac) | (s->rtsr & ~(value & ~0xdaac));
1027 pxa2xx_rtc_int_update(s);
1028 break;
1029
1030 case RTAR:
1031 s->rtar = value;
1032 pxa2xx_rtc_alarm_update(s, s->rtsr);
1033 break;
1034
1035 case RDAR1:
1036 s->rdar1 = value;
1037 pxa2xx_rtc_alarm_update(s, s->rtsr);
1038 break;
1039
1040 case RDAR2:
1041 s->rdar2 = value;
1042 pxa2xx_rtc_alarm_update(s, s->rtsr);
1043 break;
1044
1045 case RYAR1:
1046 s->ryar1 = value;
1047 pxa2xx_rtc_alarm_update(s, s->rtsr);
1048 break;
1049
1050 case RYAR2:
1051 s->ryar2 = value;
1052 pxa2xx_rtc_alarm_update(s, s->rtsr);
1053 break;
1054
1055 case SWAR1:
1056 pxa2xx_rtc_swupdate(s);
1057 s->swar1 = value;
1058 s->last_swcr = 0;
1059 pxa2xx_rtc_alarm_update(s, s->rtsr);
1060 break;
1061
1062 case SWAR2:
1063 s->swar2 = value;
1064 pxa2xx_rtc_alarm_update(s, s->rtsr);
1065 break;
1066
1067 case PIAR:
1068 s->piar = value;
1069 pxa2xx_rtc_alarm_update(s, s->rtsr);
1070 break;
1071
1072 case RCNR:
1073 pxa2xx_rtc_hzupdate(s);
1074 s->last_rcnr = value;
1075 pxa2xx_rtc_alarm_update(s, s->rtsr);
1076 break;
1077
1078 case RDCR:
1079 pxa2xx_rtc_hzupdate(s);
1080 s->last_rdcr = value;
1081 pxa2xx_rtc_alarm_update(s, s->rtsr);
1082 break;
1083
1084 case RYCR:
1085 s->last_rycr = value;
1086 break;
1087
1088 case SWCR:
1089 pxa2xx_rtc_swupdate(s);
1090 s->last_swcr = value;
1091 pxa2xx_rtc_alarm_update(s, s->rtsr);
1092 break;
1093
1094 case RTCPICR:
1095 pxa2xx_rtc_piupdate(s);
1096 s->last_rtcpicr = value & 0xffff;
1097 pxa2xx_rtc_alarm_update(s, s->rtsr);
1098 break;
1099
1100 default:
1101 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
1102 }
1103 }
1104
1105 static const MemoryRegionOps pxa2xx_rtc_ops = {
1106 .read = pxa2xx_rtc_read,
1107 .write = pxa2xx_rtc_write,
1108 .endianness = DEVICE_NATIVE_ENDIAN,
1109 };
1110
1111 static void pxa2xx_rtc_init(Object *obj)
1112 {
1113 PXA2xxRTCState *s = PXA2XX_RTC(obj);
1114 SysBusDevice *dev = SYS_BUS_DEVICE(obj);
1115 struct tm tm;
1116 int wom;
1117
1118 s->rttr = 0x7fff;
1119 s->rtsr = 0;
1120
1121 qemu_get_timedate(&tm, 0);
1122 wom = ((tm.tm_mday - 1) / 7) + 1;
1123
1124 s->last_rcnr = (uint32_t) mktimegm(&tm);
1125 s->last_rdcr = (wom << 20) | ((tm.tm_wday + 1) << 17) |
1126 (tm.tm_hour << 12) | (tm.tm_min << 6) | tm.tm_sec;
1127 s->last_rycr = ((tm.tm_year + 1900) << 9) |
1128 ((tm.tm_mon + 1) << 5) | tm.tm_mday;
1129 s->last_swcr = (tm.tm_hour << 19) |
1130 (tm.tm_min << 13) | (tm.tm_sec << 7);
1131 s->last_rtcpicr = 0;
1132 s->last_hz = s->last_sw = s->last_pi = qemu_clock_get_ms(rtc_clock);
1133
1134 s->rtc_hz = timer_new_ms(rtc_clock, pxa2xx_rtc_hz_tick, s);
1135 s->rtc_rdal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal1_tick, s);
1136 s->rtc_rdal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal2_tick, s);
1137 s->rtc_swal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal1_tick, s);
1138 s->rtc_swal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal2_tick, s);
1139 s->rtc_pi = timer_new_ms(rtc_clock, pxa2xx_rtc_pi_tick, s);
1140
1141 sysbus_init_irq(dev, &s->rtc_irq);
1142
1143 memory_region_init_io(&s->iomem, obj, &pxa2xx_rtc_ops, s,
1144 "pxa2xx-rtc", 0x10000);
1145 sysbus_init_mmio(dev, &s->iomem);
1146 }
1147
1148 static int pxa2xx_rtc_pre_save(void *opaque)
1149 {
1150 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1151
1152 pxa2xx_rtc_hzupdate(s);
1153 pxa2xx_rtc_piupdate(s);
1154 pxa2xx_rtc_swupdate(s);
1155
1156 return 0;
1157 }
1158
1159 static int pxa2xx_rtc_post_load(void *opaque, int version_id)
1160 {
1161 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1162
1163 pxa2xx_rtc_alarm_update(s, s->rtsr);
1164
1165 return 0;
1166 }
1167
1168 static const VMStateDescription vmstate_pxa2xx_rtc_regs = {
1169 .name = "pxa2xx_rtc",
1170 .version_id = 0,
1171 .minimum_version_id = 0,
1172 .pre_save = pxa2xx_rtc_pre_save,
1173 .post_load = pxa2xx_rtc_post_load,
1174 .fields = (VMStateField[]) {
1175 VMSTATE_UINT32(rttr, PXA2xxRTCState),
1176 VMSTATE_UINT32(rtsr, PXA2xxRTCState),
1177 VMSTATE_UINT32(rtar, PXA2xxRTCState),
1178 VMSTATE_UINT32(rdar1, PXA2xxRTCState),
1179 VMSTATE_UINT32(rdar2, PXA2xxRTCState),
1180 VMSTATE_UINT32(ryar1, PXA2xxRTCState),
1181 VMSTATE_UINT32(ryar2, PXA2xxRTCState),
1182 VMSTATE_UINT32(swar1, PXA2xxRTCState),
1183 VMSTATE_UINT32(swar2, PXA2xxRTCState),
1184 VMSTATE_UINT32(piar, PXA2xxRTCState),
1185 VMSTATE_UINT32(last_rcnr, PXA2xxRTCState),
1186 VMSTATE_UINT32(last_rdcr, PXA2xxRTCState),
1187 VMSTATE_UINT32(last_rycr, PXA2xxRTCState),
1188 VMSTATE_UINT32(last_swcr, PXA2xxRTCState),
1189 VMSTATE_UINT32(last_rtcpicr, PXA2xxRTCState),
1190 VMSTATE_INT64(last_hz, PXA2xxRTCState),
1191 VMSTATE_INT64(last_sw, PXA2xxRTCState),
1192 VMSTATE_INT64(last_pi, PXA2xxRTCState),
1193 VMSTATE_END_OF_LIST(),
1194 },
1195 };
1196
1197 static void pxa2xx_rtc_sysbus_class_init(ObjectClass *klass, void *data)
1198 {
1199 DeviceClass *dc = DEVICE_CLASS(klass);
1200
1201 dc->desc = "PXA2xx RTC Controller";
1202 dc->vmsd = &vmstate_pxa2xx_rtc_regs;
1203 }
1204
1205 static const TypeInfo pxa2xx_rtc_sysbus_info = {
1206 .name = TYPE_PXA2XX_RTC,
1207 .parent = TYPE_SYS_BUS_DEVICE,
1208 .instance_size = sizeof(PXA2xxRTCState),
1209 .instance_init = pxa2xx_rtc_init,
1210 .class_init = pxa2xx_rtc_sysbus_class_init,
1211 };
1212
1213 /* I2C Interface */
1214
1215 #define TYPE_PXA2XX_I2C_SLAVE "pxa2xx-i2c-slave"
1216 #define PXA2XX_I2C_SLAVE(obj) \
1217 OBJECT_CHECK(PXA2xxI2CSlaveState, (obj), TYPE_PXA2XX_I2C_SLAVE)
1218
1219 typedef struct PXA2xxI2CSlaveState {
1220 I2CSlave parent_obj;
1221
1222 PXA2xxI2CState *host;
1223 } PXA2xxI2CSlaveState;
1224
1225 #define TYPE_PXA2XX_I2C "pxa2xx_i2c"
1226 #define PXA2XX_I2C(obj) \
1227 OBJECT_CHECK(PXA2xxI2CState, (obj), TYPE_PXA2XX_I2C)
1228
1229 struct PXA2xxI2CState {
1230 /*< private >*/
1231 SysBusDevice parent_obj;
1232 /*< public >*/
1233
1234 MemoryRegion iomem;
1235 PXA2xxI2CSlaveState *slave;
1236 I2CBus *bus;
1237 qemu_irq irq;
1238 uint32_t offset;
1239 uint32_t region_size;
1240
1241 uint16_t control;
1242 uint16_t status;
1243 uint8_t ibmr;
1244 uint8_t data;
1245 };
1246
1247 #define IBMR 0x80 /* I2C Bus Monitor register */
1248 #define IDBR 0x88 /* I2C Data Buffer register */
1249 #define ICR 0x90 /* I2C Control register */
1250 #define ISR 0x98 /* I2C Status register */
1251 #define ISAR 0xa0 /* I2C Slave Address register */
1252
1253 static void pxa2xx_i2c_update(PXA2xxI2CState *s)
1254 {
1255 uint16_t level = 0;
1256 level |= s->status & s->control & (1 << 10); /* BED */
1257 level |= (s->status & (1 << 7)) && (s->control & (1 << 9)); /* IRF */
1258 level |= (s->status & (1 << 6)) && (s->control & (1 << 8)); /* ITE */
1259 level |= s->status & (1 << 9); /* SAD */
1260 qemu_set_irq(s->irq, !!level);
1261 }
1262
1263 /* These are only stubs now. */
1264 static int pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event)
1265 {
1266 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1267 PXA2xxI2CState *s = slave->host;
1268
1269 switch (event) {
1270 case I2C_START_SEND:
1271 s->status |= (1 << 9); /* set SAD */
1272 s->status &= ~(1 << 0); /* clear RWM */
1273 break;
1274 case I2C_START_RECV:
1275 s->status |= (1 << 9); /* set SAD */
1276 s->status |= 1 << 0; /* set RWM */
1277 break;
1278 case I2C_FINISH:
1279 s->status |= (1 << 4); /* set SSD */
1280 break;
1281 case I2C_NACK:
1282 s->status |= 1 << 1; /* set ACKNAK */
1283 break;
1284 }
1285 pxa2xx_i2c_update(s);
1286
1287 return 0;
1288 }
1289
1290 static uint8_t pxa2xx_i2c_rx(I2CSlave *i2c)
1291 {
1292 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1293 PXA2xxI2CState *s = slave->host;
1294
1295 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1296 return 0;
1297 }
1298
1299 if (s->status & (1 << 0)) { /* RWM */
1300 s->status |= 1 << 6; /* set ITE */
1301 }
1302 pxa2xx_i2c_update(s);
1303
1304 return s->data;
1305 }
1306
1307 static int pxa2xx_i2c_tx(I2CSlave *i2c, uint8_t data)
1308 {
1309 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1310 PXA2xxI2CState *s = slave->host;
1311
1312 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1313 return 1;
1314 }
1315
1316 if (!(s->status & (1 << 0))) { /* RWM */
1317 s->status |= 1 << 7; /* set IRF */
1318 s->data = data;
1319 }
1320 pxa2xx_i2c_update(s);
1321
1322 return 1;
1323 }
1324
1325 static uint64_t pxa2xx_i2c_read(void *opaque, hwaddr addr,
1326 unsigned size)
1327 {
1328 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1329 I2CSlave *slave;
1330
1331 addr -= s->offset;
1332 switch (addr) {
1333 case ICR:
1334 return s->control;
1335 case ISR:
1336 return s->status | (i2c_bus_busy(s->bus) << 2);
1337 case ISAR:
1338 slave = I2C_SLAVE(s->slave);
1339 return slave->address;
1340 case IDBR:
1341 return s->data;
1342 case IBMR:
1343 if (s->status & (1 << 2))
1344 s->ibmr ^= 3; /* Fake SCL and SDA pin changes */
1345 else
1346 s->ibmr = 0;
1347 return s->ibmr;
1348 default:
1349 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
1350 break;
1351 }
1352 return 0;
1353 }
1354
1355 static void pxa2xx_i2c_write(void *opaque, hwaddr addr,
1356 uint64_t value64, unsigned size)
1357 {
1358 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1359 uint32_t value = value64;
1360 int ack;
1361
1362 addr -= s->offset;
1363 switch (addr) {
1364 case ICR:
1365 s->control = value & 0xfff7;
1366 if ((value & (1 << 3)) && (value & (1 << 6))) { /* TB and IUE */
1367 /* TODO: slave mode */
1368 if (value & (1 << 0)) { /* START condition */
1369 if (s->data & 1)
1370 s->status |= 1 << 0; /* set RWM */
1371 else
1372 s->status &= ~(1 << 0); /* clear RWM */
1373 ack = !i2c_start_transfer(s->bus, s->data >> 1, s->data & 1);
1374 } else {
1375 if (s->status & (1 << 0)) { /* RWM */
1376 s->data = i2c_recv(s->bus);
1377 if (value & (1 << 2)) /* ACKNAK */
1378 i2c_nack(s->bus);
1379 ack = 1;
1380 } else
1381 ack = !i2c_send(s->bus, s->data);
1382 }
1383
1384 if (value & (1 << 1)) /* STOP condition */
1385 i2c_end_transfer(s->bus);
1386
1387 if (ack) {
1388 if (value & (1 << 0)) /* START condition */
1389 s->status |= 1 << 6; /* set ITE */
1390 else
1391 if (s->status & (1 << 0)) /* RWM */
1392 s->status |= 1 << 7; /* set IRF */
1393 else
1394 s->status |= 1 << 6; /* set ITE */
1395 s->status &= ~(1 << 1); /* clear ACKNAK */
1396 } else {
1397 s->status |= 1 << 6; /* set ITE */
1398 s->status |= 1 << 10; /* set BED */
1399 s->status |= 1 << 1; /* set ACKNAK */
1400 }
1401 }
1402 if (!(value & (1 << 3)) && (value & (1 << 6))) /* !TB and IUE */
1403 if (value & (1 << 4)) /* MA */
1404 i2c_end_transfer(s->bus);
1405 pxa2xx_i2c_update(s);
1406 break;
1407
1408 case ISR:
1409 s->status &= ~(value & 0x07f0);
1410 pxa2xx_i2c_update(s);
1411 break;
1412
1413 case ISAR:
1414 i2c_set_slave_address(I2C_SLAVE(s->slave), value & 0x7f);
1415 break;
1416
1417 case IDBR:
1418 s->data = value & 0xff;
1419 break;
1420
1421 default:
1422 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
1423 }
1424 }
1425
1426 static const MemoryRegionOps pxa2xx_i2c_ops = {
1427 .read = pxa2xx_i2c_read,
1428 .write = pxa2xx_i2c_write,
1429 .endianness = DEVICE_NATIVE_ENDIAN,
1430 };
1431
1432 static const VMStateDescription vmstate_pxa2xx_i2c_slave = {
1433 .name = "pxa2xx_i2c_slave",
1434 .version_id = 1,
1435 .minimum_version_id = 1,
1436 .fields = (VMStateField[]) {
1437 VMSTATE_I2C_SLAVE(parent_obj, PXA2xxI2CSlaveState),
1438 VMSTATE_END_OF_LIST()
1439 }
1440 };
1441
1442 static const VMStateDescription vmstate_pxa2xx_i2c = {
1443 .name = "pxa2xx_i2c",
1444 .version_id = 1,
1445 .minimum_version_id = 1,
1446 .fields = (VMStateField[]) {
1447 VMSTATE_UINT16(control, PXA2xxI2CState),
1448 VMSTATE_UINT16(status, PXA2xxI2CState),
1449 VMSTATE_UINT8(ibmr, PXA2xxI2CState),
1450 VMSTATE_UINT8(data, PXA2xxI2CState),
1451 VMSTATE_STRUCT_POINTER(slave, PXA2xxI2CState,
1452 vmstate_pxa2xx_i2c_slave, PXA2xxI2CSlaveState),
1453 VMSTATE_END_OF_LIST()
1454 }
1455 };
1456
1457 static void pxa2xx_i2c_slave_class_init(ObjectClass *klass, void *data)
1458 {
1459 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
1460
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 void pxa2xx_i2c_initfn(Object *obj)
1501 {
1502 DeviceState *dev = DEVICE(obj);
1503 PXA2xxI2CState *s = PXA2XX_I2C(obj);
1504 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
1505
1506 s->bus = i2c_init_bus(dev, NULL);
1507
1508 memory_region_init_io(&s->iomem, obj, &pxa2xx_i2c_ops, s,
1509 "pxa2xx-i2c", s->region_size);
1510 sysbus_init_mmio(sbd, &s->iomem);
1511 sysbus_init_irq(sbd, &s->irq);
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
1529 dc->desc = "PXA2xx I2C Bus Controller";
1530 dc->vmsd = &vmstate_pxa2xx_i2c;
1531 dc->props = pxa2xx_i2c_properties;
1532 }
1533
1534 static const TypeInfo pxa2xx_i2c_info = {
1535 .name = TYPE_PXA2XX_I2C,
1536 .parent = TYPE_SYS_BUS_DEVICE,
1537 .instance_size = sizeof(PXA2xxI2CState),
1538 .instance_init = pxa2xx_i2c_initfn,
1539 .class_init = pxa2xx_i2c_class_init,
1540 };
1541
1542 /* PXA Inter-IC Sound Controller */
1543 static void pxa2xx_i2s_reset(PXA2xxI2SState *i2s)
1544 {
1545 i2s->rx_len = 0;
1546 i2s->tx_len = 0;
1547 i2s->fifo_len = 0;
1548 i2s->clk = 0x1a;
1549 i2s->control[0] = 0x00;
1550 i2s->control[1] = 0x00;
1551 i2s->status = 0x00;
1552 i2s->mask = 0x00;
1553 }
1554
1555 #define SACR_TFTH(val) ((val >> 8) & 0xf)
1556 #define SACR_RFTH(val) ((val >> 12) & 0xf)
1557 #define SACR_DREC(val) (val & (1 << 3))
1558 #define SACR_DPRL(val) (val & (1 << 4))
1559
1560 static inline void pxa2xx_i2s_update(PXA2xxI2SState *i2s)
1561 {
1562 int rfs, tfs;
1563 rfs = SACR_RFTH(i2s->control[0]) < i2s->rx_len &&
1564 !SACR_DREC(i2s->control[1]);
1565 tfs = (i2s->tx_len || i2s->fifo_len < SACR_TFTH(i2s->control[0])) &&
1566 i2s->enable && !SACR_DPRL(i2s->control[1]);
1567
1568 qemu_set_irq(i2s->rx_dma, rfs);
1569 qemu_set_irq(i2s->tx_dma, tfs);
1570
1571 i2s->status &= 0xe0;
1572 if (i2s->fifo_len < 16 || !i2s->enable)
1573 i2s->status |= 1 << 0; /* TNF */
1574 if (i2s->rx_len)
1575 i2s->status |= 1 << 1; /* RNE */
1576 if (i2s->enable)
1577 i2s->status |= 1 << 2; /* BSY */
1578 if (tfs)
1579 i2s->status |= 1 << 3; /* TFS */
1580 if (rfs)
1581 i2s->status |= 1 << 4; /* RFS */
1582 if (!(i2s->tx_len && i2s->enable))
1583 i2s->status |= i2s->fifo_len << 8; /* TFL */
1584 i2s->status |= MAX(i2s->rx_len, 0xf) << 12; /* RFL */
1585
1586 qemu_set_irq(i2s->irq, i2s->status & i2s->mask);
1587 }
1588
1589 #define SACR0 0x00 /* Serial Audio Global Control register */
1590 #define SACR1 0x04 /* Serial Audio I2S/MSB-Justified Control register */
1591 #define SASR0 0x0c /* Serial Audio Interface and FIFO Status register */
1592 #define SAIMR 0x14 /* Serial Audio Interrupt Mask register */
1593 #define SAICR 0x18 /* Serial Audio Interrupt Clear register */
1594 #define SADIV 0x60 /* Serial Audio Clock Divider register */
1595 #define SADR 0x80 /* Serial Audio Data register */
1596
1597 static uint64_t pxa2xx_i2s_read(void *opaque, hwaddr addr,
1598 unsigned size)
1599 {
1600 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1601
1602 switch (addr) {
1603 case SACR0:
1604 return s->control[0];
1605 case SACR1:
1606 return s->control[1];
1607 case SASR0:
1608 return s->status;
1609 case SAIMR:
1610 return s->mask;
1611 case SAICR:
1612 return 0;
1613 case SADIV:
1614 return s->clk;
1615 case SADR:
1616 if (s->rx_len > 0) {
1617 s->rx_len --;
1618 pxa2xx_i2s_update(s);
1619 return s->codec_in(s->opaque);
1620 }
1621 return 0;
1622 default:
1623 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
1624 break;
1625 }
1626 return 0;
1627 }
1628
1629 static void pxa2xx_i2s_write(void *opaque, hwaddr addr,
1630 uint64_t value, unsigned size)
1631 {
1632 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1633 uint32_t *sample;
1634
1635 switch (addr) {
1636 case SACR0:
1637 if (value & (1 << 3)) /* RST */
1638 pxa2xx_i2s_reset(s);
1639 s->control[0] = value & 0xff3d;
1640 if (!s->enable && (value & 1) && s->tx_len) { /* ENB */
1641 for (sample = s->fifo; s->fifo_len > 0; s->fifo_len --, sample ++)
1642 s->codec_out(s->opaque, *sample);
1643 s->status &= ~(1 << 7); /* I2SOFF */
1644 }
1645 if (value & (1 << 4)) /* EFWR */
1646 printf("%s: Attempt to use special function\n", __func__);
1647 s->enable = (value & 9) == 1; /* ENB && !RST*/
1648 pxa2xx_i2s_update(s);
1649 break;
1650 case SACR1:
1651 s->control[1] = value & 0x0039;
1652 if (value & (1 << 5)) /* ENLBF */
1653 printf("%s: Attempt to use loopback function\n", __func__);
1654 if (value & (1 << 4)) /* DPRL */
1655 s->fifo_len = 0;
1656 pxa2xx_i2s_update(s);
1657 break;
1658 case SAIMR:
1659 s->mask = value & 0x0078;
1660 pxa2xx_i2s_update(s);
1661 break;
1662 case SAICR:
1663 s->status &= ~(value & (3 << 5));
1664 pxa2xx_i2s_update(s);
1665 break;
1666 case SADIV:
1667 s->clk = value & 0x007f;
1668 break;
1669 case SADR:
1670 if (s->tx_len && s->enable) {
1671 s->tx_len --;
1672 pxa2xx_i2s_update(s);
1673 s->codec_out(s->opaque, value);
1674 } else if (s->fifo_len < 16) {
1675 s->fifo[s->fifo_len ++] = value;
1676 pxa2xx_i2s_update(s);
1677 }
1678 break;
1679 default:
1680 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
1681 }
1682 }
1683
1684 static const MemoryRegionOps pxa2xx_i2s_ops = {
1685 .read = pxa2xx_i2s_read,
1686 .write = pxa2xx_i2s_write,
1687 .endianness = DEVICE_NATIVE_ENDIAN,
1688 };
1689
1690 static const VMStateDescription vmstate_pxa2xx_i2s = {
1691 .name = "pxa2xx_i2s",
1692 .version_id = 0,
1693 .minimum_version_id = 0,
1694 .fields = (VMStateField[]) {
1695 VMSTATE_UINT32_ARRAY(control, PXA2xxI2SState, 2),
1696 VMSTATE_UINT32(status, PXA2xxI2SState),
1697 VMSTATE_UINT32(mask, PXA2xxI2SState),
1698 VMSTATE_UINT32(clk, PXA2xxI2SState),
1699 VMSTATE_INT32(enable, PXA2xxI2SState),
1700 VMSTATE_INT32(rx_len, PXA2xxI2SState),
1701 VMSTATE_INT32(tx_len, PXA2xxI2SState),
1702 VMSTATE_INT32(fifo_len, PXA2xxI2SState),
1703 VMSTATE_END_OF_LIST()
1704 }
1705 };
1706
1707 static void pxa2xx_i2s_data_req(void *opaque, int tx, int rx)
1708 {
1709 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1710 uint32_t *sample;
1711
1712 /* Signal FIFO errors */
1713 if (s->enable && s->tx_len)
1714 s->status |= 1 << 5; /* TUR */
1715 if (s->enable && s->rx_len)
1716 s->status |= 1 << 6; /* ROR */
1717
1718 /* Should be tx - MIN(tx, s->fifo_len) but we don't really need to
1719 * handle the cases where it makes a difference. */
1720 s->tx_len = tx - s->fifo_len;
1721 s->rx_len = rx;
1722 /* Note that is s->codec_out wasn't set, we wouldn't get called. */
1723 if (s->enable)
1724 for (sample = s->fifo; s->fifo_len; s->fifo_len --, sample ++)
1725 s->codec_out(s->opaque, *sample);
1726 pxa2xx_i2s_update(s);
1727 }
1728
1729 static PXA2xxI2SState *pxa2xx_i2s_init(MemoryRegion *sysmem,
1730 hwaddr base,
1731 qemu_irq irq, qemu_irq rx_dma, qemu_irq tx_dma)
1732 {
1733 PXA2xxI2SState *s = g_new0(PXA2xxI2SState, 1);
1734
1735 s->irq = irq;
1736 s->rx_dma = rx_dma;
1737 s->tx_dma = tx_dma;
1738 s->data_req = pxa2xx_i2s_data_req;
1739
1740 pxa2xx_i2s_reset(s);
1741
1742 memory_region_init_io(&s->iomem, NULL, &pxa2xx_i2s_ops, s,
1743 "pxa2xx-i2s", 0x100000);
1744 memory_region_add_subregion(sysmem, base, &s->iomem);
1745
1746 vmstate_register(NULL, base, &vmstate_pxa2xx_i2s, s);
1747
1748 return s;
1749 }
1750
1751 /* PXA Fast Infra-red Communications Port */
1752 #define TYPE_PXA2XX_FIR "pxa2xx-fir"
1753 #define PXA2XX_FIR(obj) OBJECT_CHECK(PXA2xxFIrState, (obj), TYPE_PXA2XX_FIR)
1754
1755 struct PXA2xxFIrState {
1756 /*< private >*/
1757 SysBusDevice parent_obj;
1758 /*< public >*/
1759
1760 MemoryRegion iomem;
1761 qemu_irq irq;
1762 qemu_irq rx_dma;
1763 qemu_irq tx_dma;
1764 uint32_t enable;
1765 CharBackend chr;
1766
1767 uint8_t control[3];
1768 uint8_t status[2];
1769
1770 uint32_t rx_len;
1771 uint32_t rx_start;
1772 uint8_t rx_fifo[64];
1773 };
1774
1775 static void pxa2xx_fir_reset(DeviceState *d)
1776 {
1777 PXA2xxFIrState *s = PXA2XX_FIR(d);
1778
1779 s->control[0] = 0x00;
1780 s->control[1] = 0x00;
1781 s->control[2] = 0x00;
1782 s->status[0] = 0x00;
1783 s->status[1] = 0x00;
1784 s->enable = 0;
1785 }
1786
1787 static inline void pxa2xx_fir_update(PXA2xxFIrState *s)
1788 {
1789 static const int tresh[4] = { 8, 16, 32, 0 };
1790 int intr = 0;
1791 if ((s->control[0] & (1 << 4)) && /* RXE */
1792 s->rx_len >= tresh[s->control[2] & 3]) /* TRIG */
1793 s->status[0] |= 1 << 4; /* RFS */
1794 else
1795 s->status[0] &= ~(1 << 4); /* RFS */
1796 if (s->control[0] & (1 << 3)) /* TXE */
1797 s->status[0] |= 1 << 3; /* TFS */
1798 else
1799 s->status[0] &= ~(1 << 3); /* TFS */
1800 if (s->rx_len)
1801 s->status[1] |= 1 << 2; /* RNE */
1802 else
1803 s->status[1] &= ~(1 << 2); /* RNE */
1804 if (s->control[0] & (1 << 4)) /* RXE */
1805 s->status[1] |= 1 << 0; /* RSY */
1806 else
1807 s->status[1] &= ~(1 << 0); /* RSY */
1808
1809 intr |= (s->control[0] & (1 << 5)) && /* RIE */
1810 (s->status[0] & (1 << 4)); /* RFS */
1811 intr |= (s->control[0] & (1 << 6)) && /* TIE */
1812 (s->status[0] & (1 << 3)); /* TFS */
1813 intr |= (s->control[2] & (1 << 4)) && /* TRAIL */
1814 (s->status[0] & (1 << 6)); /* EOC */
1815 intr |= (s->control[0] & (1 << 2)) && /* TUS */
1816 (s->status[0] & (1 << 1)); /* TUR */
1817 intr |= s->status[0] & 0x25; /* FRE, RAB, EIF */
1818
1819 qemu_set_irq(s->rx_dma, (s->status[0] >> 4) & 1);
1820 qemu_set_irq(s->tx_dma, (s->status[0] >> 3) & 1);
1821
1822 qemu_set_irq(s->irq, intr && s->enable);
1823 }
1824
1825 #define ICCR0 0x00 /* FICP Control register 0 */
1826 #define ICCR1 0x04 /* FICP Control register 1 */
1827 #define ICCR2 0x08 /* FICP Control register 2 */
1828 #define ICDR 0x0c /* FICP Data register */
1829 #define ICSR0 0x14 /* FICP Status register 0 */
1830 #define ICSR1 0x18 /* FICP Status register 1 */
1831 #define ICFOR 0x1c /* FICP FIFO Occupancy Status register */
1832
1833 static uint64_t pxa2xx_fir_read(void *opaque, hwaddr addr,
1834 unsigned size)
1835 {
1836 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1837 uint8_t ret;
1838
1839 switch (addr) {
1840 case ICCR0:
1841 return s->control[0];
1842 case ICCR1:
1843 return s->control[1];
1844 case ICCR2:
1845 return s->control[2];
1846 case ICDR:
1847 s->status[0] &= ~0x01;
1848 s->status[1] &= ~0x72;
1849 if (s->rx_len) {
1850 s->rx_len --;
1851 ret = s->rx_fifo[s->rx_start ++];
1852 s->rx_start &= 63;
1853 pxa2xx_fir_update(s);
1854 return ret;
1855 }
1856 printf("%s: Rx FIFO underrun.\n", __func__);
1857 break;
1858 case ICSR0:
1859 return s->status[0];
1860 case ICSR1:
1861 return s->status[1] | (1 << 3); /* TNF */
1862 case ICFOR:
1863 return s->rx_len;
1864 default:
1865 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
1866 break;
1867 }
1868 return 0;
1869 }
1870
1871 static void pxa2xx_fir_write(void *opaque, hwaddr addr,
1872 uint64_t value64, unsigned size)
1873 {
1874 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1875 uint32_t value = value64;
1876 uint8_t ch;
1877
1878 switch (addr) {
1879 case ICCR0:
1880 s->control[0] = value;
1881 if (!(value & (1 << 4))) /* RXE */
1882 s->rx_len = s->rx_start = 0;
1883 if (!(value & (1 << 3))) { /* TXE */
1884 /* Nop */
1885 }
1886 s->enable = value & 1; /* ITR */
1887 if (!s->enable)
1888 s->status[0] = 0;
1889 pxa2xx_fir_update(s);
1890 break;
1891 case ICCR1:
1892 s->control[1] = value;
1893 break;
1894 case ICCR2:
1895 s->control[2] = value & 0x3f;
1896 pxa2xx_fir_update(s);
1897 break;
1898 case ICDR:
1899 if (s->control[2] & (1 << 2)) { /* TXP */
1900 ch = value;
1901 } else {
1902 ch = ~value;
1903 }
1904 if (s->enable && (s->control[0] & (1 << 3))) { /* TXE */
1905 /* XXX this blocks entire thread. Rewrite to use
1906 * qemu_chr_fe_write and background I/O callbacks */
1907 qemu_chr_fe_write_all(&s->chr, &ch, 1);
1908 }
1909 break;
1910 case ICSR0:
1911 s->status[0] &= ~(value & 0x66);
1912 pxa2xx_fir_update(s);
1913 break;
1914 case ICFOR:
1915 break;
1916 default:
1917 printf("%s: Bad register " REG_FMT "\n", __func__, addr);
1918 }
1919 }
1920
1921 static const MemoryRegionOps pxa2xx_fir_ops = {
1922 .read = pxa2xx_fir_read,
1923 .write = pxa2xx_fir_write,
1924 .endianness = DEVICE_NATIVE_ENDIAN,
1925 };
1926
1927 static int pxa2xx_fir_is_empty(void *opaque)
1928 {
1929 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1930 return (s->rx_len < 64);
1931 }
1932
1933 static void pxa2xx_fir_rx(void *opaque, const uint8_t *buf, int size)
1934 {
1935 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1936 if (!(s->control[0] & (1 << 4))) /* RXE */
1937 return;
1938
1939 while (size --) {
1940 s->status[1] |= 1 << 4; /* EOF */
1941 if (s->rx_len >= 64) {
1942 s->status[1] |= 1 << 6; /* ROR */
1943 break;
1944 }
1945
1946 if (s->control[2] & (1 << 3)) /* RXP */
1947 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = *(buf ++);
1948 else
1949 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = ~*(buf ++);
1950 }
1951
1952 pxa2xx_fir_update(s);
1953 }
1954
1955 static void pxa2xx_fir_event(void *opaque, int event)
1956 {
1957 }
1958
1959 static void pxa2xx_fir_instance_init(Object *obj)
1960 {
1961 PXA2xxFIrState *s = PXA2XX_FIR(obj);
1962 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
1963
1964 memory_region_init_io(&s->iomem, obj, &pxa2xx_fir_ops, s,
1965 "pxa2xx-fir", 0x1000);
1966 sysbus_init_mmio(sbd, &s->iomem);
1967 sysbus_init_irq(sbd, &s->irq);
1968 sysbus_init_irq(sbd, &s->rx_dma);
1969 sysbus_init_irq(sbd, &s->tx_dma);
1970 }
1971
1972 static void pxa2xx_fir_realize(DeviceState *dev, Error **errp)
1973 {
1974 PXA2xxFIrState *s = PXA2XX_FIR(dev);
1975
1976 qemu_chr_fe_set_handlers(&s->chr, pxa2xx_fir_is_empty,
1977 pxa2xx_fir_rx, pxa2xx_fir_event, NULL, s, NULL,
1978 true);
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 Chardev *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 *cpu_type)
2060 {
2061 PXA2xxState *s;
2062 int i;
2063 DriveInfo *dinfo;
2064 s = g_new0(PXA2xxState, 1);
2065
2066 if (strncmp(cpu_type, "pxa27", 5)) {
2067 error_report("Machine requires a PXA27x processor");
2068 exit(1);
2069 }
2070
2071 s->cpu = ARM_CPU(cpu_create(cpu_type));
2072 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2073
2074 /* SDRAM & Internal Memory Storage */
2075 memory_region_init_ram(&s->sdram, NULL, "pxa270.sdram", sdram_size,
2076 &error_fatal);
2077 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2078 memory_region_init_ram(&s->internal, NULL, "pxa270.internal", 0x40000,
2079 &error_fatal);
2080 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2081 &s->internal);
2082
2083 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2084
2085 s->dma = pxa27x_dma_init(0x40000000,
2086 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2087
2088 sysbus_create_varargs("pxa27x-timer", 0x40a00000,
2089 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2090 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2091 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2092 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2093 qdev_get_gpio_in(s->pic, PXA27X_PIC_OST_4_11),
2094 NULL);
2095
2096 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 121);
2097
2098 dinfo = drive_get(IF_SD, 0, 0);
2099 if (!dinfo && !qtest_enabled()) {
2100 warn_report("missing SecureDigital device");
2101 }
2102 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2103 dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
2104 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2105 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2106 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2107
2108 for (i = 0; pxa270_serial[i].io_base; i++) {
2109 if (serial_hd(i)) {
2110 serial_mm_init(address_space, pxa270_serial[i].io_base, 2,
2111 qdev_get_gpio_in(s->pic, pxa270_serial[i].irqn),
2112 14857000 / 16, serial_hd(i),
2113 DEVICE_NATIVE_ENDIAN);
2114 } else {
2115 break;
2116 }
2117 }
2118 if (serial_hd(i))
2119 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2120 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2121 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2122 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2123 serial_hd(i));
2124
2125 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2126 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2127
2128 s->cm_base = 0x41300000;
2129 s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */
2130 s->clkcfg = 0x00000009; /* Turbo mode active */
2131 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2132 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2133 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2134
2135 pxa2xx_setup_cp14(s);
2136
2137 s->mm_base = 0x48000000;
2138 s->mm_regs[MDMRS >> 2] = 0x00020002;
2139 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2140 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2141 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2142 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2143 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2144
2145 s->pm_base = 0x40f00000;
2146 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2147 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2148 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2149
2150 for (i = 0; pxa27x_ssp[i].io_base; i ++);
2151 s->ssp = g_new0(SSIBus *, i);
2152 for (i = 0; pxa27x_ssp[i].io_base; i ++) {
2153 DeviceState *dev;
2154 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa27x_ssp[i].io_base,
2155 qdev_get_gpio_in(s->pic, pxa27x_ssp[i].irqn));
2156 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2157 }
2158
2159 sysbus_create_simple("sysbus-ohci", 0x4c000000,
2160 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1));
2161
2162 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2163 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2164
2165 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2166 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2167
2168 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2169 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2170 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2171 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2172
2173 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2174 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2175 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2176 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2177
2178 s->kp = pxa27x_keypad_init(address_space, 0x41500000,
2179 qdev_get_gpio_in(s->pic, PXA2XX_PIC_KEYPAD));
2180
2181 /* GPIO1 resets the processor */
2182 /* The handler can be overridden by board-specific code */
2183 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2184 return s;
2185 }
2186
2187 /* Initialise a PXA255 integrated chip (ARM based core). */
2188 PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size)
2189 {
2190 PXA2xxState *s;
2191 int i;
2192 DriveInfo *dinfo;
2193
2194 s = g_new0(PXA2xxState, 1);
2195
2196 s->cpu = ARM_CPU(cpu_create(ARM_CPU_TYPE_NAME("pxa255")));
2197 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2198
2199 /* SDRAM & Internal Memory Storage */
2200 memory_region_init_ram(&s->sdram, NULL, "pxa255.sdram", sdram_size,
2201 &error_fatal);
2202 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2203 memory_region_init_ram(&s->internal, NULL, "pxa255.internal",
2204 PXA2XX_INTERNAL_SIZE, &error_fatal);
2205 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2206 &s->internal);
2207
2208 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2209
2210 s->dma = pxa255_dma_init(0x40000000,
2211 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2212
2213 sysbus_create_varargs("pxa25x-timer", 0x40a00000,
2214 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2215 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2216 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2217 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2218 NULL);
2219
2220 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 85);
2221
2222 dinfo = drive_get(IF_SD, 0, 0);
2223 if (!dinfo && !qtest_enabled()) {
2224 warn_report("missing SecureDigital device");
2225 }
2226 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2227 dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
2228 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2229 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2230 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2231
2232 for (i = 0; pxa255_serial[i].io_base; i++) {
2233 if (serial_hd(i)) {
2234 serial_mm_init(address_space, pxa255_serial[i].io_base, 2,
2235 qdev_get_gpio_in(s->pic, pxa255_serial[i].irqn),
2236 14745600 / 16, serial_hd(i),
2237 DEVICE_NATIVE_ENDIAN);
2238 } else {
2239 break;
2240 }
2241 }
2242 if (serial_hd(i))
2243 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2244 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2245 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2246 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2247 serial_hd(i));
2248
2249 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2250 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2251
2252 s->cm_base = 0x41300000;
2253 s->cm_regs[CCCR >> 2] = 0x00000121; /* from datasheet */
2254 s->cm_regs[CKEN >> 2] = 0x00017def; /* from datasheet */
2255
2256 s->clkcfg = 0x00000009; /* Turbo mode active */
2257 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2258 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2259 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2260
2261 pxa2xx_setup_cp14(s);
2262
2263 s->mm_base = 0x48000000;
2264 s->mm_regs[MDMRS >> 2] = 0x00020002;
2265 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2266 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2267 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2268 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2269 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2270
2271 s->pm_base = 0x40f00000;
2272 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2273 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2274 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2275
2276 for (i = 0; pxa255_ssp[i].io_base; i ++);
2277 s->ssp = g_new0(SSIBus *, i);
2278 for (i = 0; pxa255_ssp[i].io_base; i ++) {
2279 DeviceState *dev;
2280 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa255_ssp[i].io_base,
2281 qdev_get_gpio_in(s->pic, pxa255_ssp[i].irqn));
2282 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2283 }
2284
2285 sysbus_create_simple("sysbus-ohci", 0x4c000000,
2286 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1));
2287
2288 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2289 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2290
2291 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2292 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2293
2294 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2295 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2296 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2297 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2298
2299 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2300 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2301 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2302 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2303
2304 /* GPIO1 resets the processor */
2305 /* The handler can be overridden by board-specific code */
2306 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2307 return s;
2308 }
2309
2310 static void pxa2xx_ssp_class_init(ObjectClass *klass, void *data)
2311 {
2312 DeviceClass *dc = DEVICE_CLASS(klass);
2313
2314 dc->reset = pxa2xx_ssp_reset;
2315 dc->vmsd = &vmstate_pxa2xx_ssp;
2316 }
2317
2318 static const TypeInfo pxa2xx_ssp_info = {
2319 .name = TYPE_PXA2XX_SSP,
2320 .parent = TYPE_SYS_BUS_DEVICE,
2321 .instance_size = sizeof(PXA2xxSSPState),
2322 .instance_init = pxa2xx_ssp_init,
2323 .class_init = pxa2xx_ssp_class_init,
2324 };
2325
2326 static void pxa2xx_register_types(void)
2327 {
2328 type_register_static(&pxa2xx_i2c_slave_info);
2329 type_register_static(&pxa2xx_ssp_info);
2330 type_register_static(&pxa2xx_i2c_info);
2331 type_register_static(&pxa2xx_rtc_sysbus_info);
2332 type_register_static(&pxa2xx_fir_info);
2333 }
2334
2335 type_init(pxa2xx_register_types)
AR7 emulation for QEMU