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[thirdparty/qemu.git] / hw / arm / pxa2xx.c
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 "qapi/error.h"
12 #include "qemu-common.h"
13 #include "cpu.h"
14 #include "hw/sysbus.h"
15 #include "hw/arm/pxa.h"
16 #include "sysemu/sysemu.h"
17 #include "hw/char/serial.h"
18 #include "hw/i2c/i2c.h"
19 #include "hw/ssi/ssi.h"
20 #include "sysemu/char.h"
21 #include "sysemu/block-backend.h"
22 #include "sysemu/blockdev.h"
23 #include "qemu/cutils.h"
24
25 static struct {
26 hwaddr io_base;
27 int irqn;
28 } pxa255_serial[] = {
29 { 0x40100000, PXA2XX_PIC_FFUART },
30 { 0x40200000, PXA2XX_PIC_BTUART },
31 { 0x40700000, PXA2XX_PIC_STUART },
32 { 0x41600000, PXA25X_PIC_HWUART },
33 { 0, 0 }
34 }, pxa270_serial[] = {
35 { 0x40100000, PXA2XX_PIC_FFUART },
36 { 0x40200000, PXA2XX_PIC_BTUART },
37 { 0x40700000, PXA2XX_PIC_STUART },
38 { 0, 0 }
39 };
40
41 typedef struct PXASSPDef {
42 hwaddr io_base;
43 int irqn;
44 } PXASSPDef;
45
46 #if 0
47 static PXASSPDef pxa250_ssp[] = {
48 { 0x41000000, PXA2XX_PIC_SSP },
49 { 0, 0 }
50 };
51 #endif
52
53 static PXASSPDef pxa255_ssp[] = {
54 { 0x41000000, PXA2XX_PIC_SSP },
55 { 0x41400000, PXA25X_PIC_NSSP },
56 { 0, 0 }
57 };
58
59 #if 0
60 static PXASSPDef pxa26x_ssp[] = {
61 { 0x41000000, PXA2XX_PIC_SSP },
62 { 0x41400000, PXA25X_PIC_NSSP },
63 { 0x41500000, PXA26X_PIC_ASSP },
64 { 0, 0 }
65 };
66 #endif
67
68 static PXASSPDef pxa27x_ssp[] = {
69 { 0x41000000, PXA2XX_PIC_SSP },
70 { 0x41700000, PXA27X_PIC_SSP2 },
71 { 0x41900000, PXA2XX_PIC_SSP3 },
72 { 0, 0 }
73 };
74
75 #define PMCR 0x00 /* Power Manager Control register */
76 #define PSSR 0x04 /* Power Manager Sleep Status register */
77 #define PSPR 0x08 /* Power Manager Scratch-Pad register */
78 #define PWER 0x0c /* Power Manager Wake-Up Enable register */
79 #define PRER 0x10 /* Power Manager Rising-Edge Detect Enable register */
80 #define PFER 0x14 /* Power Manager Falling-Edge Detect Enable register */
81 #define PEDR 0x18 /* Power Manager Edge-Detect Status register */
82 #define PCFR 0x1c /* Power Manager General Configuration register */
83 #define PGSR0 0x20 /* Power Manager GPIO Sleep-State register 0 */
84 #define PGSR1 0x24 /* Power Manager GPIO Sleep-State register 1 */
85 #define PGSR2 0x28 /* Power Manager GPIO Sleep-State register 2 */
86 #define PGSR3 0x2c /* Power Manager GPIO Sleep-State register 3 */
87 #define RCSR 0x30 /* Reset Controller Status register */
88 #define PSLR 0x34 /* Power Manager Sleep Configuration register */
89 #define PTSR 0x38 /* Power Manager Standby Configuration register */
90 #define PVCR 0x40 /* Power Manager Voltage Change Control register */
91 #define PUCR 0x4c /* Power Manager USIM Card Control/Status register */
92 #define PKWR 0x50 /* Power Manager Keyboard Wake-Up Enable register */
93 #define PKSR 0x54 /* Power Manager Keyboard Level-Detect Status */
94 #define PCMD0 0x80 /* Power Manager I2C Command register File 0 */
95 #define PCMD31 0xfc /* Power Manager I2C Command register File 31 */
96
97 static uint64_t pxa2xx_pm_read(void *opaque, hwaddr addr,
98 unsigned size)
99 {
100 PXA2xxState *s = (PXA2xxState *) opaque;
101
102 switch (addr) {
103 case PMCR ... PCMD31:
104 if (addr & 3)
105 goto fail;
106
107 return s->pm_regs[addr >> 2];
108 default:
109 fail:
110 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
111 break;
112 }
113 return 0;
114 }
115
116 static void pxa2xx_pm_write(void *opaque, hwaddr addr,
117 uint64_t value, unsigned size)
118 {
119 PXA2xxState *s = (PXA2xxState *) opaque;
120
121 switch (addr) {
122 case PMCR:
123 /* Clear the write-one-to-clear bits... */
124 s->pm_regs[addr >> 2] &= ~(value & 0x2a);
125 /* ...and set the plain r/w bits */
126 s->pm_regs[addr >> 2] &= ~0x15;
127 s->pm_regs[addr >> 2] |= value & 0x15;
128 break;
129
130 case PSSR: /* Read-clean registers */
131 case RCSR:
132 case PKSR:
133 s->pm_regs[addr >> 2] &= ~value;
134 break;
135
136 default: /* Read-write registers */
137 if (!(addr & 3)) {
138 s->pm_regs[addr >> 2] = value;
139 break;
140 }
141
142 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
143 break;
144 }
145 }
146
147 static const MemoryRegionOps pxa2xx_pm_ops = {
148 .read = pxa2xx_pm_read,
149 .write = pxa2xx_pm_write,
150 .endianness = DEVICE_NATIVE_ENDIAN,
151 };
152
153 static const VMStateDescription vmstate_pxa2xx_pm = {
154 .name = "pxa2xx_pm",
155 .version_id = 0,
156 .minimum_version_id = 0,
157 .fields = (VMStateField[]) {
158 VMSTATE_UINT32_ARRAY(pm_regs, PXA2xxState, 0x40),
159 VMSTATE_END_OF_LIST()
160 }
161 };
162
163 #define CCCR 0x00 /* Core Clock Configuration register */
164 #define CKEN 0x04 /* Clock Enable register */
165 #define OSCC 0x08 /* Oscillator Configuration register */
166 #define CCSR 0x0c /* Core Clock Status register */
167
168 static uint64_t pxa2xx_cm_read(void *opaque, hwaddr addr,
169 unsigned size)
170 {
171 PXA2xxState *s = (PXA2xxState *) opaque;
172
173 switch (addr) {
174 case CCCR:
175 case CKEN:
176 case OSCC:
177 return s->cm_regs[addr >> 2];
178
179 case CCSR:
180 return s->cm_regs[CCCR >> 2] | (3 << 28);
181
182 default:
183 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
184 break;
185 }
186 return 0;
187 }
188
189 static void pxa2xx_cm_write(void *opaque, hwaddr addr,
190 uint64_t value, unsigned size)
191 {
192 PXA2xxState *s = (PXA2xxState *) opaque;
193
194 switch (addr) {
195 case CCCR:
196 case CKEN:
197 s->cm_regs[addr >> 2] = value;
198 break;
199
200 case OSCC:
201 s->cm_regs[addr >> 2] &= ~0x6c;
202 s->cm_regs[addr >> 2] |= value & 0x6e;
203 if ((value >> 1) & 1) /* OON */
204 s->cm_regs[addr >> 2] |= 1 << 0; /* Oscillator is now stable */
205 break;
206
207 default:
208 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
209 break;
210 }
211 }
212
213 static const MemoryRegionOps pxa2xx_cm_ops = {
214 .read = pxa2xx_cm_read,
215 .write = pxa2xx_cm_write,
216 .endianness = DEVICE_NATIVE_ENDIAN,
217 };
218
219 static const VMStateDescription vmstate_pxa2xx_cm = {
220 .name = "pxa2xx_cm",
221 .version_id = 0,
222 .minimum_version_id = 0,
223 .fields = (VMStateField[]) {
224 VMSTATE_UINT32_ARRAY(cm_regs, PXA2xxState, 4),
225 VMSTATE_UINT32(clkcfg, PXA2xxState),
226 VMSTATE_UINT32(pmnc, PXA2xxState),
227 VMSTATE_END_OF_LIST()
228 }
229 };
230
231 static uint64_t pxa2xx_clkcfg_read(CPUARMState *env, const ARMCPRegInfo *ri)
232 {
233 PXA2xxState *s = (PXA2xxState *)ri->opaque;
234 return s->clkcfg;
235 }
236
237 static void pxa2xx_clkcfg_write(CPUARMState *env, const ARMCPRegInfo *ri,
238 uint64_t value)
239 {
240 PXA2xxState *s = (PXA2xxState *)ri->opaque;
241 s->clkcfg = value & 0xf;
242 if (value & 2) {
243 printf("%s: CPU frequency change attempt\n", __func__);
244 }
245 }
246
247 static void pxa2xx_pwrmode_write(CPUARMState *env, const ARMCPRegInfo *ri,
248 uint64_t value)
249 {
250 PXA2xxState *s = (PXA2xxState *)ri->opaque;
251 static const char *pwrmode[8] = {
252 "Normal", "Idle", "Deep-idle", "Standby",
253 "Sleep", "reserved (!)", "reserved (!)", "Deep-sleep",
254 };
255
256 if (value & 8) {
257 printf("%s: CPU voltage change attempt\n", __func__);
258 }
259 switch (value & 7) {
260 case 0:
261 /* Do nothing */
262 break;
263
264 case 1:
265 /* Idle */
266 if (!(s->cm_regs[CCCR >> 2] & (1U << 31))) { /* CPDIS */
267 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
268 break;
269 }
270 /* Fall through. */
271
272 case 2:
273 /* Deep-Idle */
274 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
275 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
276 goto message;
277
278 case 3:
279 s->cpu->env.uncached_cpsr = ARM_CPU_MODE_SVC;
280 s->cpu->env.daif = PSTATE_A | PSTATE_F | PSTATE_I;
281 s->cpu->env.cp15.sctlr_ns = 0;
282 s->cpu->env.cp15.cpacr_el1 = 0;
283 s->cpu->env.cp15.ttbr0_el[1] = 0;
284 s->cpu->env.cp15.dacr_ns = 0;
285 s->pm_regs[PSSR >> 2] |= 0x8; /* Set STS */
286 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
287
288 /*
289 * The scratch-pad register is almost universally used
290 * for storing the return address on suspend. For the
291 * lack of a resuming bootloader, perform a jump
292 * directly to that address.
293 */
294 memset(s->cpu->env.regs, 0, 4 * 15);
295 s->cpu->env.regs[15] = s->pm_regs[PSPR >> 2];
296
297 #if 0
298 buffer = 0xe59ff000; /* ldr pc, [pc, #0] */
299 cpu_physical_memory_write(0, &buffer, 4);
300 buffer = s->pm_regs[PSPR >> 2];
301 cpu_physical_memory_write(8, &buffer, 4);
302 #endif
303
304 /* Suspend */
305 cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT);
306
307 goto message;
308
309 default:
310 message:
311 printf("%s: machine entered %s mode\n", __func__,
312 pwrmode[value & 7]);
313 }
314 }
315
316 static uint64_t pxa2xx_cppmnc_read(CPUARMState *env, const ARMCPRegInfo *ri)
317 {
318 PXA2xxState *s = (PXA2xxState *)ri->opaque;
319 return s->pmnc;
320 }
321
322 static void pxa2xx_cppmnc_write(CPUARMState *env, const ARMCPRegInfo *ri,
323 uint64_t value)
324 {
325 PXA2xxState *s = (PXA2xxState *)ri->opaque;
326 s->pmnc = value;
327 }
328
329 static uint64_t pxa2xx_cpccnt_read(CPUARMState *env, const ARMCPRegInfo *ri)
330 {
331 PXA2xxState *s = (PXA2xxState *)ri->opaque;
332 if (s->pmnc & 1) {
333 return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
334 } else {
335 return 0;
336 }
337 }
338
339 static const ARMCPRegInfo pxa_cp_reginfo[] = {
340 /* cp14 crm==1: perf registers */
341 { .name = "CPPMNC", .cp = 14, .crn = 0, .crm = 1, .opc1 = 0, .opc2 = 0,
342 .access = PL1_RW, .type = ARM_CP_IO,
343 .readfn = pxa2xx_cppmnc_read, .writefn = pxa2xx_cppmnc_write },
344 { .name = "CPCCNT", .cp = 14, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0,
345 .access = PL1_RW, .type = ARM_CP_IO,
346 .readfn = pxa2xx_cpccnt_read, .writefn = arm_cp_write_ignore },
347 { .name = "CPINTEN", .cp = 14, .crn = 4, .crm = 1, .opc1 = 0, .opc2 = 0,
348 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
349 { .name = "CPFLAG", .cp = 14, .crn = 5, .crm = 1, .opc1 = 0, .opc2 = 0,
350 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
351 { .name = "CPEVTSEL", .cp = 14, .crn = 8, .crm = 1, .opc1 = 0, .opc2 = 0,
352 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
353 /* cp14 crm==2: performance count registers */
354 { .name = "CPPMN0", .cp = 14, .crn = 0, .crm = 2, .opc1 = 0, .opc2 = 0,
355 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
356 { .name = "CPPMN1", .cp = 14, .crn = 1, .crm = 2, .opc1 = 0, .opc2 = 0,
357 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
358 { .name = "CPPMN2", .cp = 14, .crn = 2, .crm = 2, .opc1 = 0, .opc2 = 0,
359 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
360 { .name = "CPPMN3", .cp = 14, .crn = 2, .crm = 3, .opc1 = 0, .opc2 = 0,
361 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
362 /* cp14 crn==6: CLKCFG */
363 { .name = "CLKCFG", .cp = 14, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 0,
364 .access = PL1_RW, .type = ARM_CP_IO,
365 .readfn = pxa2xx_clkcfg_read, .writefn = pxa2xx_clkcfg_write },
366 /* cp14 crn==7: PWRMODE */
367 { .name = "PWRMODE", .cp = 14, .crn = 7, .crm = 0, .opc1 = 0, .opc2 = 0,
368 .access = PL1_RW, .type = ARM_CP_IO,
369 .readfn = arm_cp_read_zero, .writefn = pxa2xx_pwrmode_write },
370 REGINFO_SENTINEL
371 };
372
373 static void pxa2xx_setup_cp14(PXA2xxState *s)
374 {
375 define_arm_cp_regs_with_opaque(s->cpu, pxa_cp_reginfo, s);
376 }
377
378 #define MDCNFG 0x00 /* SDRAM Configuration register */
379 #define MDREFR 0x04 /* SDRAM Refresh Control register */
380 #define MSC0 0x08 /* Static Memory Control register 0 */
381 #define MSC1 0x0c /* Static Memory Control register 1 */
382 #define MSC2 0x10 /* Static Memory Control register 2 */
383 #define MECR 0x14 /* Expansion Memory Bus Config register */
384 #define SXCNFG 0x1c /* Synchronous Static Memory Config register */
385 #define MCMEM0 0x28 /* PC Card Memory Socket 0 Timing register */
386 #define MCMEM1 0x2c /* PC Card Memory Socket 1 Timing register */
387 #define MCATT0 0x30 /* PC Card Attribute Socket 0 register */
388 #define MCATT1 0x34 /* PC Card Attribute Socket 1 register */
389 #define MCIO0 0x38 /* PC Card I/O Socket 0 Timing register */
390 #define MCIO1 0x3c /* PC Card I/O Socket 1 Timing register */
391 #define MDMRS 0x40 /* SDRAM Mode Register Set Config register */
392 #define BOOT_DEF 0x44 /* Boot-time Default Configuration register */
393 #define ARB_CNTL 0x48 /* Arbiter Control register */
394 #define BSCNTR0 0x4c /* Memory Buffer Strength Control register 0 */
395 #define BSCNTR1 0x50 /* Memory Buffer Strength Control register 1 */
396 #define LCDBSCNTR 0x54 /* LCD Buffer Strength Control register */
397 #define MDMRSLP 0x58 /* Low Power SDRAM Mode Set Config register */
398 #define BSCNTR2 0x5c /* Memory Buffer Strength Control register 2 */
399 #define BSCNTR3 0x60 /* Memory Buffer Strength Control register 3 */
400 #define SA1110 0x64 /* SA-1110 Memory Compatibility register */
401
402 static uint64_t pxa2xx_mm_read(void *opaque, hwaddr addr,
403 unsigned size)
404 {
405 PXA2xxState *s = (PXA2xxState *) opaque;
406
407 switch (addr) {
408 case MDCNFG ... SA1110:
409 if ((addr & 3) == 0)
410 return s->mm_regs[addr >> 2];
411
412 default:
413 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
414 break;
415 }
416 return 0;
417 }
418
419 static void pxa2xx_mm_write(void *opaque, hwaddr addr,
420 uint64_t value, unsigned size)
421 {
422 PXA2xxState *s = (PXA2xxState *) opaque;
423
424 switch (addr) {
425 case MDCNFG ... SA1110:
426 if ((addr & 3) == 0) {
427 s->mm_regs[addr >> 2] = value;
428 break;
429 }
430
431 default:
432 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
433 break;
434 }
435 }
436
437 static const MemoryRegionOps pxa2xx_mm_ops = {
438 .read = pxa2xx_mm_read,
439 .write = pxa2xx_mm_write,
440 .endianness = DEVICE_NATIVE_ENDIAN,
441 };
442
443 static const VMStateDescription vmstate_pxa2xx_mm = {
444 .name = "pxa2xx_mm",
445 .version_id = 0,
446 .minimum_version_id = 0,
447 .fields = (VMStateField[]) {
448 VMSTATE_UINT32_ARRAY(mm_regs, PXA2xxState, 0x1a),
449 VMSTATE_END_OF_LIST()
450 }
451 };
452
453 #define TYPE_PXA2XX_SSP "pxa2xx-ssp"
454 #define PXA2XX_SSP(obj) \
455 OBJECT_CHECK(PXA2xxSSPState, (obj), TYPE_PXA2XX_SSP)
456
457 /* Synchronous Serial Ports */
458 typedef struct {
459 /*< private >*/
460 SysBusDevice parent_obj;
461 /*< public >*/
462
463 MemoryRegion iomem;
464 qemu_irq irq;
465 uint32_t enable;
466 SSIBus *bus;
467
468 uint32_t sscr[2];
469 uint32_t sspsp;
470 uint32_t ssto;
471 uint32_t ssitr;
472 uint32_t sssr;
473 uint8_t sstsa;
474 uint8_t ssrsa;
475 uint8_t ssacd;
476
477 uint32_t rx_fifo[16];
478 uint32_t rx_level;
479 uint32_t rx_start;
480 } PXA2xxSSPState;
481
482 static bool pxa2xx_ssp_vmstate_validate(void *opaque, int version_id)
483 {
484 PXA2xxSSPState *s = opaque;
485
486 return s->rx_start < sizeof(s->rx_fifo);
487 }
488
489 static const VMStateDescription vmstate_pxa2xx_ssp = {
490 .name = "pxa2xx-ssp",
491 .version_id = 1,
492 .minimum_version_id = 1,
493 .fields = (VMStateField[]) {
494 VMSTATE_UINT32(enable, PXA2xxSSPState),
495 VMSTATE_UINT32_ARRAY(sscr, PXA2xxSSPState, 2),
496 VMSTATE_UINT32(sspsp, PXA2xxSSPState),
497 VMSTATE_UINT32(ssto, PXA2xxSSPState),
498 VMSTATE_UINT32(ssitr, PXA2xxSSPState),
499 VMSTATE_UINT32(sssr, PXA2xxSSPState),
500 VMSTATE_UINT8(sstsa, PXA2xxSSPState),
501 VMSTATE_UINT8(ssrsa, PXA2xxSSPState),
502 VMSTATE_UINT8(ssacd, PXA2xxSSPState),
503 VMSTATE_UINT32(rx_level, PXA2xxSSPState),
504 VMSTATE_UINT32(rx_start, PXA2xxSSPState),
505 VMSTATE_VALIDATE("fifo is 16 bytes", pxa2xx_ssp_vmstate_validate),
506 VMSTATE_UINT32_ARRAY(rx_fifo, PXA2xxSSPState, 16),
507 VMSTATE_END_OF_LIST()
508 }
509 };
510
511 #define SSCR0 0x00 /* SSP Control register 0 */
512 #define SSCR1 0x04 /* SSP Control register 1 */
513 #define SSSR 0x08 /* SSP Status register */
514 #define SSITR 0x0c /* SSP Interrupt Test register */
515 #define SSDR 0x10 /* SSP Data register */
516 #define SSTO 0x28 /* SSP Time-Out register */
517 #define SSPSP 0x2c /* SSP Programmable Serial Protocol register */
518 #define SSTSA 0x30 /* SSP TX Time Slot Active register */
519 #define SSRSA 0x34 /* SSP RX Time Slot Active register */
520 #define SSTSS 0x38 /* SSP Time Slot Status register */
521 #define SSACD 0x3c /* SSP Audio Clock Divider register */
522
523 /* Bitfields for above registers */
524 #define SSCR0_SPI(x) (((x) & 0x30) == 0x00)
525 #define SSCR0_SSP(x) (((x) & 0x30) == 0x10)
526 #define SSCR0_UWIRE(x) (((x) & 0x30) == 0x20)
527 #define SSCR0_PSP(x) (((x) & 0x30) == 0x30)
528 #define SSCR0_SSE (1 << 7)
529 #define SSCR0_RIM (1 << 22)
530 #define SSCR0_TIM (1 << 23)
531 #define SSCR0_MOD (1U << 31)
532 #define SSCR0_DSS(x) (((((x) >> 16) & 0x10) | ((x) & 0xf)) + 1)
533 #define SSCR1_RIE (1 << 0)
534 #define SSCR1_TIE (1 << 1)
535 #define SSCR1_LBM (1 << 2)
536 #define SSCR1_MWDS (1 << 5)
537 #define SSCR1_TFT(x) ((((x) >> 6) & 0xf) + 1)
538 #define SSCR1_RFT(x) ((((x) >> 10) & 0xf) + 1)
539 #define SSCR1_EFWR (1 << 14)
540 #define SSCR1_PINTE (1 << 18)
541 #define SSCR1_TINTE (1 << 19)
542 #define SSCR1_RSRE (1 << 20)
543 #define SSCR1_TSRE (1 << 21)
544 #define SSCR1_EBCEI (1 << 29)
545 #define SSITR_INT (7 << 5)
546 #define SSSR_TNF (1 << 2)
547 #define SSSR_RNE (1 << 3)
548 #define SSSR_TFS (1 << 5)
549 #define SSSR_RFS (1 << 6)
550 #define SSSR_ROR (1 << 7)
551 #define SSSR_PINT (1 << 18)
552 #define SSSR_TINT (1 << 19)
553 #define SSSR_EOC (1 << 20)
554 #define SSSR_TUR (1 << 21)
555 #define SSSR_BCE (1 << 23)
556 #define SSSR_RW 0x00bc0080
557
558 static void pxa2xx_ssp_int_update(PXA2xxSSPState *s)
559 {
560 int level = 0;
561
562 level |= s->ssitr & SSITR_INT;
563 level |= (s->sssr & SSSR_BCE) && (s->sscr[1] & SSCR1_EBCEI);
564 level |= (s->sssr & SSSR_TUR) && !(s->sscr[0] & SSCR0_TIM);
565 level |= (s->sssr & SSSR_EOC) && (s->sssr & (SSSR_TINT | SSSR_PINT));
566 level |= (s->sssr & SSSR_TINT) && (s->sscr[1] & SSCR1_TINTE);
567 level |= (s->sssr & SSSR_PINT) && (s->sscr[1] & SSCR1_PINTE);
568 level |= (s->sssr & SSSR_ROR) && !(s->sscr[0] & SSCR0_RIM);
569 level |= (s->sssr & SSSR_RFS) && (s->sscr[1] & SSCR1_RIE);
570 level |= (s->sssr & SSSR_TFS) && (s->sscr[1] & SSCR1_TIE);
571 qemu_set_irq(s->irq, !!level);
572 }
573
574 static void pxa2xx_ssp_fifo_update(PXA2xxSSPState *s)
575 {
576 s->sssr &= ~(0xf << 12); /* Clear RFL */
577 s->sssr &= ~(0xf << 8); /* Clear TFL */
578 s->sssr &= ~SSSR_TFS;
579 s->sssr &= ~SSSR_TNF;
580 if (s->enable) {
581 s->sssr |= ((s->rx_level - 1) & 0xf) << 12;
582 if (s->rx_level >= SSCR1_RFT(s->sscr[1]))
583 s->sssr |= SSSR_RFS;
584 else
585 s->sssr &= ~SSSR_RFS;
586 if (s->rx_level)
587 s->sssr |= SSSR_RNE;
588 else
589 s->sssr &= ~SSSR_RNE;
590 /* TX FIFO is never filled, so it is always in underrun
591 condition if SSP is enabled */
592 s->sssr |= SSSR_TFS;
593 s->sssr |= SSSR_TNF;
594 }
595
596 pxa2xx_ssp_int_update(s);
597 }
598
599 static uint64_t pxa2xx_ssp_read(void *opaque, hwaddr addr,
600 unsigned size)
601 {
602 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
603 uint32_t retval;
604
605 switch (addr) {
606 case SSCR0:
607 return s->sscr[0];
608 case SSCR1:
609 return s->sscr[1];
610 case SSPSP:
611 return s->sspsp;
612 case SSTO:
613 return s->ssto;
614 case SSITR:
615 return s->ssitr;
616 case SSSR:
617 return s->sssr | s->ssitr;
618 case SSDR:
619 if (!s->enable)
620 return 0xffffffff;
621 if (s->rx_level < 1) {
622 printf("%s: SSP Rx Underrun\n", __FUNCTION__);
623 return 0xffffffff;
624 }
625 s->rx_level --;
626 retval = s->rx_fifo[s->rx_start ++];
627 s->rx_start &= 0xf;
628 pxa2xx_ssp_fifo_update(s);
629 return retval;
630 case SSTSA:
631 return s->sstsa;
632 case SSRSA:
633 return s->ssrsa;
634 case SSTSS:
635 return 0;
636 case SSACD:
637 return s->ssacd;
638 default:
639 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
640 break;
641 }
642 return 0;
643 }
644
645 static void pxa2xx_ssp_write(void *opaque, hwaddr addr,
646 uint64_t value64, unsigned size)
647 {
648 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
649 uint32_t value = value64;
650
651 switch (addr) {
652 case SSCR0:
653 s->sscr[0] = value & 0xc7ffffff;
654 s->enable = value & SSCR0_SSE;
655 if (value & SSCR0_MOD)
656 printf("%s: Attempt to use network mode\n", __FUNCTION__);
657 if (s->enable && SSCR0_DSS(value) < 4)
658 printf("%s: Wrong data size: %i bits\n", __FUNCTION__,
659 SSCR0_DSS(value));
660 if (!(value & SSCR0_SSE)) {
661 s->sssr = 0;
662 s->ssitr = 0;
663 s->rx_level = 0;
664 }
665 pxa2xx_ssp_fifo_update(s);
666 break;
667
668 case SSCR1:
669 s->sscr[1] = value;
670 if (value & (SSCR1_LBM | SSCR1_EFWR))
671 printf("%s: Attempt to use SSP test mode\n", __FUNCTION__);
672 pxa2xx_ssp_fifo_update(s);
673 break;
674
675 case SSPSP:
676 s->sspsp = value;
677 break;
678
679 case SSTO:
680 s->ssto = value;
681 break;
682
683 case SSITR:
684 s->ssitr = value & SSITR_INT;
685 pxa2xx_ssp_int_update(s);
686 break;
687
688 case SSSR:
689 s->sssr &= ~(value & SSSR_RW);
690 pxa2xx_ssp_int_update(s);
691 break;
692
693 case SSDR:
694 if (SSCR0_UWIRE(s->sscr[0])) {
695 if (s->sscr[1] & SSCR1_MWDS)
696 value &= 0xffff;
697 else
698 value &= 0xff;
699 } else
700 /* Note how 32bits overflow does no harm here */
701 value &= (1 << SSCR0_DSS(s->sscr[0])) - 1;
702
703 /* Data goes from here to the Tx FIFO and is shifted out from
704 * there directly to the slave, no need to buffer it.
705 */
706 if (s->enable) {
707 uint32_t readval;
708 readval = ssi_transfer(s->bus, value);
709 if (s->rx_level < 0x10) {
710 s->rx_fifo[(s->rx_start + s->rx_level ++) & 0xf] = readval;
711 } else {
712 s->sssr |= SSSR_ROR;
713 }
714 }
715 pxa2xx_ssp_fifo_update(s);
716 break;
717
718 case SSTSA:
719 s->sstsa = value;
720 break;
721
722 case SSRSA:
723 s->ssrsa = value;
724 break;
725
726 case SSACD:
727 s->ssacd = value;
728 break;
729
730 default:
731 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
732 break;
733 }
734 }
735
736 static const MemoryRegionOps pxa2xx_ssp_ops = {
737 .read = pxa2xx_ssp_read,
738 .write = pxa2xx_ssp_write,
739 .endianness = DEVICE_NATIVE_ENDIAN,
740 };
741
742 static void pxa2xx_ssp_reset(DeviceState *d)
743 {
744 PXA2xxSSPState *s = PXA2XX_SSP(d);
745
746 s->enable = 0;
747 s->sscr[0] = s->sscr[1] = 0;
748 s->sspsp = 0;
749 s->ssto = 0;
750 s->ssitr = 0;
751 s->sssr = 0;
752 s->sstsa = 0;
753 s->ssrsa = 0;
754 s->ssacd = 0;
755 s->rx_start = s->rx_level = 0;
756 }
757
758 static int pxa2xx_ssp_init(SysBusDevice *sbd)
759 {
760 DeviceState *dev = DEVICE(sbd);
761 PXA2xxSSPState *s = PXA2XX_SSP(dev);
762
763 sysbus_init_irq(sbd, &s->irq);
764
765 memory_region_init_io(&s->iomem, OBJECT(s), &pxa2xx_ssp_ops, s,
766 "pxa2xx-ssp", 0x1000);
767 sysbus_init_mmio(sbd, &s->iomem);
768
769 s->bus = ssi_create_bus(dev, "ssi");
770 return 0;
771 }
772
773 /* Real-Time Clock */
774 #define RCNR 0x00 /* RTC Counter register */
775 #define RTAR 0x04 /* RTC Alarm register */
776 #define RTSR 0x08 /* RTC Status register */
777 #define RTTR 0x0c /* RTC Timer Trim register */
778 #define RDCR 0x10 /* RTC Day Counter register */
779 #define RYCR 0x14 /* RTC Year Counter register */
780 #define RDAR1 0x18 /* RTC Wristwatch Day Alarm register 1 */
781 #define RYAR1 0x1c /* RTC Wristwatch Year Alarm register 1 */
782 #define RDAR2 0x20 /* RTC Wristwatch Day Alarm register 2 */
783 #define RYAR2 0x24 /* RTC Wristwatch Year Alarm register 2 */
784 #define SWCR 0x28 /* RTC Stopwatch Counter register */
785 #define SWAR1 0x2c /* RTC Stopwatch Alarm register 1 */
786 #define SWAR2 0x30 /* RTC Stopwatch Alarm register 2 */
787 #define RTCPICR 0x34 /* RTC Periodic Interrupt Counter register */
788 #define PIAR 0x38 /* RTC Periodic Interrupt Alarm register */
789
790 #define TYPE_PXA2XX_RTC "pxa2xx_rtc"
791 #define PXA2XX_RTC(obj) \
792 OBJECT_CHECK(PXA2xxRTCState, (obj), TYPE_PXA2XX_RTC)
793
794 typedef struct {
795 /*< private >*/
796 SysBusDevice parent_obj;
797 /*< public >*/
798
799 MemoryRegion iomem;
800 uint32_t rttr;
801 uint32_t rtsr;
802 uint32_t rtar;
803 uint32_t rdar1;
804 uint32_t rdar2;
805 uint32_t ryar1;
806 uint32_t ryar2;
807 uint32_t swar1;
808 uint32_t swar2;
809 uint32_t piar;
810 uint32_t last_rcnr;
811 uint32_t last_rdcr;
812 uint32_t last_rycr;
813 uint32_t last_swcr;
814 uint32_t last_rtcpicr;
815 int64_t last_hz;
816 int64_t last_sw;
817 int64_t last_pi;
818 QEMUTimer *rtc_hz;
819 QEMUTimer *rtc_rdal1;
820 QEMUTimer *rtc_rdal2;
821 QEMUTimer *rtc_swal1;
822 QEMUTimer *rtc_swal2;
823 QEMUTimer *rtc_pi;
824 qemu_irq rtc_irq;
825 } PXA2xxRTCState;
826
827 static inline void pxa2xx_rtc_int_update(PXA2xxRTCState *s)
828 {
829 qemu_set_irq(s->rtc_irq, !!(s->rtsr & 0x2553));
830 }
831
832 static void pxa2xx_rtc_hzupdate(PXA2xxRTCState *s)
833 {
834 int64_t rt = qemu_clock_get_ms(rtc_clock);
835 s->last_rcnr += ((rt - s->last_hz) << 15) /
836 (1000 * ((s->rttr & 0xffff) + 1));
837 s->last_rdcr += ((rt - s->last_hz) << 15) /
838 (1000 * ((s->rttr & 0xffff) + 1));
839 s->last_hz = rt;
840 }
841
842 static void pxa2xx_rtc_swupdate(PXA2xxRTCState *s)
843 {
844 int64_t rt = qemu_clock_get_ms(rtc_clock);
845 if (s->rtsr & (1 << 12))
846 s->last_swcr += (rt - s->last_sw) / 10;
847 s->last_sw = rt;
848 }
849
850 static void pxa2xx_rtc_piupdate(PXA2xxRTCState *s)
851 {
852 int64_t rt = qemu_clock_get_ms(rtc_clock);
853 if (s->rtsr & (1 << 15))
854 s->last_swcr += rt - s->last_pi;
855 s->last_pi = rt;
856 }
857
858 static inline void pxa2xx_rtc_alarm_update(PXA2xxRTCState *s,
859 uint32_t rtsr)
860 {
861 if ((rtsr & (1 << 2)) && !(rtsr & (1 << 0)))
862 timer_mod(s->rtc_hz, s->last_hz +
863 (((s->rtar - s->last_rcnr) * 1000 *
864 ((s->rttr & 0xffff) + 1)) >> 15));
865 else
866 timer_del(s->rtc_hz);
867
868 if ((rtsr & (1 << 5)) && !(rtsr & (1 << 4)))
869 timer_mod(s->rtc_rdal1, s->last_hz +
870 (((s->rdar1 - s->last_rdcr) * 1000 *
871 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
872 else
873 timer_del(s->rtc_rdal1);
874
875 if ((rtsr & (1 << 7)) && !(rtsr & (1 << 6)))
876 timer_mod(s->rtc_rdal2, s->last_hz +
877 (((s->rdar2 - s->last_rdcr) * 1000 *
878 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
879 else
880 timer_del(s->rtc_rdal2);
881
882 if ((rtsr & 0x1200) == 0x1200 && !(rtsr & (1 << 8)))
883 timer_mod(s->rtc_swal1, s->last_sw +
884 (s->swar1 - s->last_swcr) * 10); /* TODO: fixup */
885 else
886 timer_del(s->rtc_swal1);
887
888 if ((rtsr & 0x1800) == 0x1800 && !(rtsr & (1 << 10)))
889 timer_mod(s->rtc_swal2, s->last_sw +
890 (s->swar2 - s->last_swcr) * 10); /* TODO: fixup */
891 else
892 timer_del(s->rtc_swal2);
893
894 if ((rtsr & 0xc000) == 0xc000 && !(rtsr & (1 << 13)))
895 timer_mod(s->rtc_pi, s->last_pi +
896 (s->piar & 0xffff) - s->last_rtcpicr);
897 else
898 timer_del(s->rtc_pi);
899 }
900
901 static inline void pxa2xx_rtc_hz_tick(void *opaque)
902 {
903 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
904 s->rtsr |= (1 << 0);
905 pxa2xx_rtc_alarm_update(s, s->rtsr);
906 pxa2xx_rtc_int_update(s);
907 }
908
909 static inline void pxa2xx_rtc_rdal1_tick(void *opaque)
910 {
911 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
912 s->rtsr |= (1 << 4);
913 pxa2xx_rtc_alarm_update(s, s->rtsr);
914 pxa2xx_rtc_int_update(s);
915 }
916
917 static inline void pxa2xx_rtc_rdal2_tick(void *opaque)
918 {
919 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
920 s->rtsr |= (1 << 6);
921 pxa2xx_rtc_alarm_update(s, s->rtsr);
922 pxa2xx_rtc_int_update(s);
923 }
924
925 static inline void pxa2xx_rtc_swal1_tick(void *opaque)
926 {
927 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
928 s->rtsr |= (1 << 8);
929 pxa2xx_rtc_alarm_update(s, s->rtsr);
930 pxa2xx_rtc_int_update(s);
931 }
932
933 static inline void pxa2xx_rtc_swal2_tick(void *opaque)
934 {
935 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
936 s->rtsr |= (1 << 10);
937 pxa2xx_rtc_alarm_update(s, s->rtsr);
938 pxa2xx_rtc_int_update(s);
939 }
940
941 static inline void pxa2xx_rtc_pi_tick(void *opaque)
942 {
943 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
944 s->rtsr |= (1 << 13);
945 pxa2xx_rtc_piupdate(s);
946 s->last_rtcpicr = 0;
947 pxa2xx_rtc_alarm_update(s, s->rtsr);
948 pxa2xx_rtc_int_update(s);
949 }
950
951 static uint64_t pxa2xx_rtc_read(void *opaque, hwaddr addr,
952 unsigned size)
953 {
954 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
955
956 switch (addr) {
957 case RTTR:
958 return s->rttr;
959 case RTSR:
960 return s->rtsr;
961 case RTAR:
962 return s->rtar;
963 case RDAR1:
964 return s->rdar1;
965 case RDAR2:
966 return s->rdar2;
967 case RYAR1:
968 return s->ryar1;
969 case RYAR2:
970 return s->ryar2;
971 case SWAR1:
972 return s->swar1;
973 case SWAR2:
974 return s->swar2;
975 case PIAR:
976 return s->piar;
977 case RCNR:
978 return s->last_rcnr +
979 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) /
980 (1000 * ((s->rttr & 0xffff) + 1));
981 case RDCR:
982 return s->last_rdcr +
983 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) /
984 (1000 * ((s->rttr & 0xffff) + 1));
985 case RYCR:
986 return s->last_rycr;
987 case SWCR:
988 if (s->rtsr & (1 << 12))
989 return s->last_swcr +
990 (qemu_clock_get_ms(rtc_clock) - s->last_sw) / 10;
991 else
992 return s->last_swcr;
993 default:
994 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
995 break;
996 }
997 return 0;
998 }
999
1000 static void pxa2xx_rtc_write(void *opaque, hwaddr addr,
1001 uint64_t value64, unsigned size)
1002 {
1003 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1004 uint32_t value = value64;
1005
1006 switch (addr) {
1007 case RTTR:
1008 if (!(s->rttr & (1U << 31))) {
1009 pxa2xx_rtc_hzupdate(s);
1010 s->rttr = value;
1011 pxa2xx_rtc_alarm_update(s, s->rtsr);
1012 }
1013 break;
1014
1015 case RTSR:
1016 if ((s->rtsr ^ value) & (1 << 15))
1017 pxa2xx_rtc_piupdate(s);
1018
1019 if ((s->rtsr ^ value) & (1 << 12))
1020 pxa2xx_rtc_swupdate(s);
1021
1022 if (((s->rtsr ^ value) & 0x4aac) | (value & ~0xdaac))
1023 pxa2xx_rtc_alarm_update(s, value);
1024
1025 s->rtsr = (value & 0xdaac) | (s->rtsr & ~(value & ~0xdaac));
1026 pxa2xx_rtc_int_update(s);
1027 break;
1028
1029 case RTAR:
1030 s->rtar = value;
1031 pxa2xx_rtc_alarm_update(s, s->rtsr);
1032 break;
1033
1034 case RDAR1:
1035 s->rdar1 = value;
1036 pxa2xx_rtc_alarm_update(s, s->rtsr);
1037 break;
1038
1039 case RDAR2:
1040 s->rdar2 = value;
1041 pxa2xx_rtc_alarm_update(s, s->rtsr);
1042 break;
1043
1044 case RYAR1:
1045 s->ryar1 = value;
1046 pxa2xx_rtc_alarm_update(s, s->rtsr);
1047 break;
1048
1049 case RYAR2:
1050 s->ryar2 = value;
1051 pxa2xx_rtc_alarm_update(s, s->rtsr);
1052 break;
1053
1054 case SWAR1:
1055 pxa2xx_rtc_swupdate(s);
1056 s->swar1 = value;
1057 s->last_swcr = 0;
1058 pxa2xx_rtc_alarm_update(s, s->rtsr);
1059 break;
1060
1061 case SWAR2:
1062 s->swar2 = value;
1063 pxa2xx_rtc_alarm_update(s, s->rtsr);
1064 break;
1065
1066 case PIAR:
1067 s->piar = value;
1068 pxa2xx_rtc_alarm_update(s, s->rtsr);
1069 break;
1070
1071 case RCNR:
1072 pxa2xx_rtc_hzupdate(s);
1073 s->last_rcnr = value;
1074 pxa2xx_rtc_alarm_update(s, s->rtsr);
1075 break;
1076
1077 case RDCR:
1078 pxa2xx_rtc_hzupdate(s);
1079 s->last_rdcr = value;
1080 pxa2xx_rtc_alarm_update(s, s->rtsr);
1081 break;
1082
1083 case RYCR:
1084 s->last_rycr = value;
1085 break;
1086
1087 case SWCR:
1088 pxa2xx_rtc_swupdate(s);
1089 s->last_swcr = value;
1090 pxa2xx_rtc_alarm_update(s, s->rtsr);
1091 break;
1092
1093 case RTCPICR:
1094 pxa2xx_rtc_piupdate(s);
1095 s->last_rtcpicr = value & 0xffff;
1096 pxa2xx_rtc_alarm_update(s, s->rtsr);
1097 break;
1098
1099 default:
1100 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1101 }
1102 }
1103
1104 static const MemoryRegionOps pxa2xx_rtc_ops = {
1105 .read = pxa2xx_rtc_read,
1106 .write = pxa2xx_rtc_write,
1107 .endianness = DEVICE_NATIVE_ENDIAN,
1108 };
1109
1110 static void pxa2xx_rtc_init(Object *obj)
1111 {
1112 PXA2xxRTCState *s = PXA2XX_RTC(obj);
1113 SysBusDevice *dev = SYS_BUS_DEVICE(obj);
1114 struct tm tm;
1115 int wom;
1116
1117 s->rttr = 0x7fff;
1118 s->rtsr = 0;
1119
1120 qemu_get_timedate(&tm, 0);
1121 wom = ((tm.tm_mday - 1) / 7) + 1;
1122
1123 s->last_rcnr = (uint32_t) mktimegm(&tm);
1124 s->last_rdcr = (wom << 20) | ((tm.tm_wday + 1) << 17) |
1125 (tm.tm_hour << 12) | (tm.tm_min << 6) | tm.tm_sec;
1126 s->last_rycr = ((tm.tm_year + 1900) << 9) |
1127 ((tm.tm_mon + 1) << 5) | tm.tm_mday;
1128 s->last_swcr = (tm.tm_hour << 19) |
1129 (tm.tm_min << 13) | (tm.tm_sec << 7);
1130 s->last_rtcpicr = 0;
1131 s->last_hz = s->last_sw = s->last_pi = qemu_clock_get_ms(rtc_clock);
1132
1133 s->rtc_hz = timer_new_ms(rtc_clock, pxa2xx_rtc_hz_tick, s);
1134 s->rtc_rdal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal1_tick, s);
1135 s->rtc_rdal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal2_tick, s);
1136 s->rtc_swal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal1_tick, s);
1137 s->rtc_swal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal2_tick, s);
1138 s->rtc_pi = timer_new_ms(rtc_clock, pxa2xx_rtc_pi_tick, s);
1139
1140 sysbus_init_irq(dev, &s->rtc_irq);
1141
1142 memory_region_init_io(&s->iomem, obj, &pxa2xx_rtc_ops, s,
1143 "pxa2xx-rtc", 0x10000);
1144 sysbus_init_mmio(dev, &s->iomem);
1145 }
1146
1147 static void pxa2xx_rtc_pre_save(void *opaque)
1148 {
1149 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1150
1151 pxa2xx_rtc_hzupdate(s);
1152 pxa2xx_rtc_piupdate(s);
1153 pxa2xx_rtc_swupdate(s);
1154 }
1155
1156 static int pxa2xx_rtc_post_load(void *opaque, int version_id)
1157 {
1158 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque;
1159
1160 pxa2xx_rtc_alarm_update(s, s->rtsr);
1161
1162 return 0;
1163 }
1164
1165 static const VMStateDescription vmstate_pxa2xx_rtc_regs = {
1166 .name = "pxa2xx_rtc",
1167 .version_id = 0,
1168 .minimum_version_id = 0,
1169 .pre_save = pxa2xx_rtc_pre_save,
1170 .post_load = pxa2xx_rtc_post_load,
1171 .fields = (VMStateField[]) {
1172 VMSTATE_UINT32(rttr, PXA2xxRTCState),
1173 VMSTATE_UINT32(rtsr, PXA2xxRTCState),
1174 VMSTATE_UINT32(rtar, PXA2xxRTCState),
1175 VMSTATE_UINT32(rdar1, PXA2xxRTCState),
1176 VMSTATE_UINT32(rdar2, PXA2xxRTCState),
1177 VMSTATE_UINT32(ryar1, PXA2xxRTCState),
1178 VMSTATE_UINT32(ryar2, PXA2xxRTCState),
1179 VMSTATE_UINT32(swar1, PXA2xxRTCState),
1180 VMSTATE_UINT32(swar2, PXA2xxRTCState),
1181 VMSTATE_UINT32(piar, PXA2xxRTCState),
1182 VMSTATE_UINT32(last_rcnr, PXA2xxRTCState),
1183 VMSTATE_UINT32(last_rdcr, PXA2xxRTCState),
1184 VMSTATE_UINT32(last_rycr, PXA2xxRTCState),
1185 VMSTATE_UINT32(last_swcr, PXA2xxRTCState),
1186 VMSTATE_UINT32(last_rtcpicr, PXA2xxRTCState),
1187 VMSTATE_INT64(last_hz, PXA2xxRTCState),
1188 VMSTATE_INT64(last_sw, PXA2xxRTCState),
1189 VMSTATE_INT64(last_pi, PXA2xxRTCState),
1190 VMSTATE_END_OF_LIST(),
1191 },
1192 };
1193
1194 static void pxa2xx_rtc_sysbus_class_init(ObjectClass *klass, void *data)
1195 {
1196 DeviceClass *dc = DEVICE_CLASS(klass);
1197
1198 dc->desc = "PXA2xx RTC Controller";
1199 dc->vmsd = &vmstate_pxa2xx_rtc_regs;
1200 }
1201
1202 static const TypeInfo pxa2xx_rtc_sysbus_info = {
1203 .name = TYPE_PXA2XX_RTC,
1204 .parent = TYPE_SYS_BUS_DEVICE,
1205 .instance_size = sizeof(PXA2xxRTCState),
1206 .instance_init = pxa2xx_rtc_init,
1207 .class_init = pxa2xx_rtc_sysbus_class_init,
1208 };
1209
1210 /* I2C Interface */
1211
1212 #define TYPE_PXA2XX_I2C_SLAVE "pxa2xx-i2c-slave"
1213 #define PXA2XX_I2C_SLAVE(obj) \
1214 OBJECT_CHECK(PXA2xxI2CSlaveState, (obj), TYPE_PXA2XX_I2C_SLAVE)
1215
1216 typedef struct PXA2xxI2CSlaveState {
1217 I2CSlave parent_obj;
1218
1219 PXA2xxI2CState *host;
1220 } PXA2xxI2CSlaveState;
1221
1222 #define TYPE_PXA2XX_I2C "pxa2xx_i2c"
1223 #define PXA2XX_I2C(obj) \
1224 OBJECT_CHECK(PXA2xxI2CState, (obj), TYPE_PXA2XX_I2C)
1225
1226 struct PXA2xxI2CState {
1227 /*< private >*/
1228 SysBusDevice parent_obj;
1229 /*< public >*/
1230
1231 MemoryRegion iomem;
1232 PXA2xxI2CSlaveState *slave;
1233 I2CBus *bus;
1234 qemu_irq irq;
1235 uint32_t offset;
1236 uint32_t region_size;
1237
1238 uint16_t control;
1239 uint16_t status;
1240 uint8_t ibmr;
1241 uint8_t data;
1242 };
1243
1244 #define IBMR 0x80 /* I2C Bus Monitor register */
1245 #define IDBR 0x88 /* I2C Data Buffer register */
1246 #define ICR 0x90 /* I2C Control register */
1247 #define ISR 0x98 /* I2C Status register */
1248 #define ISAR 0xa0 /* I2C Slave Address register */
1249
1250 static void pxa2xx_i2c_update(PXA2xxI2CState *s)
1251 {
1252 uint16_t level = 0;
1253 level |= s->status & s->control & (1 << 10); /* BED */
1254 level |= (s->status & (1 << 7)) && (s->control & (1 << 9)); /* IRF */
1255 level |= (s->status & (1 << 6)) && (s->control & (1 << 8)); /* ITE */
1256 level |= s->status & (1 << 9); /* SAD */
1257 qemu_set_irq(s->irq, !!level);
1258 }
1259
1260 /* These are only stubs now. */
1261 static int pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event)
1262 {
1263 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1264 PXA2xxI2CState *s = slave->host;
1265
1266 switch (event) {
1267 case I2C_START_SEND:
1268 s->status |= (1 << 9); /* set SAD */
1269 s->status &= ~(1 << 0); /* clear RWM */
1270 break;
1271 case I2C_START_RECV:
1272 s->status |= (1 << 9); /* set SAD */
1273 s->status |= 1 << 0; /* set RWM */
1274 break;
1275 case I2C_FINISH:
1276 s->status |= (1 << 4); /* set SSD */
1277 break;
1278 case I2C_NACK:
1279 s->status |= 1 << 1; /* set ACKNAK */
1280 break;
1281 }
1282 pxa2xx_i2c_update(s);
1283
1284 return 0;
1285 }
1286
1287 static int pxa2xx_i2c_rx(I2CSlave *i2c)
1288 {
1289 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1290 PXA2xxI2CState *s = slave->host;
1291
1292 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1293 return 0;
1294 }
1295
1296 if (s->status & (1 << 0)) { /* RWM */
1297 s->status |= 1 << 6; /* set ITE */
1298 }
1299 pxa2xx_i2c_update(s);
1300
1301 return s->data;
1302 }
1303
1304 static int pxa2xx_i2c_tx(I2CSlave *i2c, uint8_t data)
1305 {
1306 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c);
1307 PXA2xxI2CState *s = slave->host;
1308
1309 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) {
1310 return 1;
1311 }
1312
1313 if (!(s->status & (1 << 0))) { /* RWM */
1314 s->status |= 1 << 7; /* set IRF */
1315 s->data = data;
1316 }
1317 pxa2xx_i2c_update(s);
1318
1319 return 1;
1320 }
1321
1322 static uint64_t pxa2xx_i2c_read(void *opaque, hwaddr addr,
1323 unsigned size)
1324 {
1325 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1326 I2CSlave *slave;
1327
1328 addr -= s->offset;
1329 switch (addr) {
1330 case ICR:
1331 return s->control;
1332 case ISR:
1333 return s->status | (i2c_bus_busy(s->bus) << 2);
1334 case ISAR:
1335 slave = I2C_SLAVE(s->slave);
1336 return slave->address;
1337 case IDBR:
1338 return s->data;
1339 case IBMR:
1340 if (s->status & (1 << 2))
1341 s->ibmr ^= 3; /* Fake SCL and SDA pin changes */
1342 else
1343 s->ibmr = 0;
1344 return s->ibmr;
1345 default:
1346 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1347 break;
1348 }
1349 return 0;
1350 }
1351
1352 static void pxa2xx_i2c_write(void *opaque, hwaddr addr,
1353 uint64_t value64, unsigned size)
1354 {
1355 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
1356 uint32_t value = value64;
1357 int ack;
1358
1359 addr -= s->offset;
1360 switch (addr) {
1361 case ICR:
1362 s->control = value & 0xfff7;
1363 if ((value & (1 << 3)) && (value & (1 << 6))) { /* TB and IUE */
1364 /* TODO: slave mode */
1365 if (value & (1 << 0)) { /* START condition */
1366 if (s->data & 1)
1367 s->status |= 1 << 0; /* set RWM */
1368 else
1369 s->status &= ~(1 << 0); /* clear RWM */
1370 ack = !i2c_start_transfer(s->bus, s->data >> 1, s->data & 1);
1371 } else {
1372 if (s->status & (1 << 0)) { /* RWM */
1373 s->data = i2c_recv(s->bus);
1374 if (value & (1 << 2)) /* ACKNAK */
1375 i2c_nack(s->bus);
1376 ack = 1;
1377 } else
1378 ack = !i2c_send(s->bus, s->data);
1379 }
1380
1381 if (value & (1 << 1)) /* STOP condition */
1382 i2c_end_transfer(s->bus);
1383
1384 if (ack) {
1385 if (value & (1 << 0)) /* START condition */
1386 s->status |= 1 << 6; /* set ITE */
1387 else
1388 if (s->status & (1 << 0)) /* RWM */
1389 s->status |= 1 << 7; /* set IRF */
1390 else
1391 s->status |= 1 << 6; /* set ITE */
1392 s->status &= ~(1 << 1); /* clear ACKNAK */
1393 } else {
1394 s->status |= 1 << 6; /* set ITE */
1395 s->status |= 1 << 10; /* set BED */
1396 s->status |= 1 << 1; /* set ACKNAK */
1397 }
1398 }
1399 if (!(value & (1 << 3)) && (value & (1 << 6))) /* !TB and IUE */
1400 if (value & (1 << 4)) /* MA */
1401 i2c_end_transfer(s->bus);
1402 pxa2xx_i2c_update(s);
1403 break;
1404
1405 case ISR:
1406 s->status &= ~(value & 0x07f0);
1407 pxa2xx_i2c_update(s);
1408 break;
1409
1410 case ISAR:
1411 i2c_set_slave_address(I2C_SLAVE(s->slave), value & 0x7f);
1412 break;
1413
1414 case IDBR:
1415 s->data = value & 0xff;
1416 break;
1417
1418 default:
1419 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1420 }
1421 }
1422
1423 static const MemoryRegionOps pxa2xx_i2c_ops = {
1424 .read = pxa2xx_i2c_read,
1425 .write = pxa2xx_i2c_write,
1426 .endianness = DEVICE_NATIVE_ENDIAN,
1427 };
1428
1429 static const VMStateDescription vmstate_pxa2xx_i2c_slave = {
1430 .name = "pxa2xx_i2c_slave",
1431 .version_id = 1,
1432 .minimum_version_id = 1,
1433 .fields = (VMStateField[]) {
1434 VMSTATE_I2C_SLAVE(parent_obj, PXA2xxI2CSlaveState),
1435 VMSTATE_END_OF_LIST()
1436 }
1437 };
1438
1439 static const VMStateDescription vmstate_pxa2xx_i2c = {
1440 .name = "pxa2xx_i2c",
1441 .version_id = 1,
1442 .minimum_version_id = 1,
1443 .fields = (VMStateField[]) {
1444 VMSTATE_UINT16(control, PXA2xxI2CState),
1445 VMSTATE_UINT16(status, PXA2xxI2CState),
1446 VMSTATE_UINT8(ibmr, PXA2xxI2CState),
1447 VMSTATE_UINT8(data, PXA2xxI2CState),
1448 VMSTATE_STRUCT_POINTER(slave, PXA2xxI2CState,
1449 vmstate_pxa2xx_i2c_slave, PXA2xxI2CSlaveState),
1450 VMSTATE_END_OF_LIST()
1451 }
1452 };
1453
1454 static void pxa2xx_i2c_slave_class_init(ObjectClass *klass, void *data)
1455 {
1456 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
1457
1458 k->event = pxa2xx_i2c_event;
1459 k->recv = pxa2xx_i2c_rx;
1460 k->send = pxa2xx_i2c_tx;
1461 }
1462
1463 static const TypeInfo pxa2xx_i2c_slave_info = {
1464 .name = TYPE_PXA2XX_I2C_SLAVE,
1465 .parent = TYPE_I2C_SLAVE,
1466 .instance_size = sizeof(PXA2xxI2CSlaveState),
1467 .class_init = pxa2xx_i2c_slave_class_init,
1468 };
1469
1470 PXA2xxI2CState *pxa2xx_i2c_init(hwaddr base,
1471 qemu_irq irq, uint32_t region_size)
1472 {
1473 DeviceState *dev;
1474 SysBusDevice *i2c_dev;
1475 PXA2xxI2CState *s;
1476 I2CBus *i2cbus;
1477
1478 dev = qdev_create(NULL, TYPE_PXA2XX_I2C);
1479 qdev_prop_set_uint32(dev, "size", region_size + 1);
1480 qdev_prop_set_uint32(dev, "offset", base & region_size);
1481 qdev_init_nofail(dev);
1482
1483 i2c_dev = SYS_BUS_DEVICE(dev);
1484 sysbus_mmio_map(i2c_dev, 0, base & ~region_size);
1485 sysbus_connect_irq(i2c_dev, 0, irq);
1486
1487 s = PXA2XX_I2C(i2c_dev);
1488 /* FIXME: Should the slave device really be on a separate bus? */
1489 i2cbus = i2c_init_bus(dev, "dummy");
1490 dev = i2c_create_slave(i2cbus, TYPE_PXA2XX_I2C_SLAVE, 0);
1491 s->slave = PXA2XX_I2C_SLAVE(dev);
1492 s->slave->host = s;
1493
1494 return s;
1495 }
1496
1497 static void pxa2xx_i2c_initfn(Object *obj)
1498 {
1499 DeviceState *dev = DEVICE(obj);
1500 PXA2xxI2CState *s = PXA2XX_I2C(obj);
1501 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
1502
1503 s->bus = i2c_init_bus(dev, NULL);
1504
1505 memory_region_init_io(&s->iomem, obj, &pxa2xx_i2c_ops, s,
1506 "pxa2xx-i2c", s->region_size);
1507 sysbus_init_mmio(sbd, &s->iomem);
1508 sysbus_init_irq(sbd, &s->irq);
1509 }
1510
1511 I2CBus *pxa2xx_i2c_bus(PXA2xxI2CState *s)
1512 {
1513 return s->bus;
1514 }
1515
1516 static Property pxa2xx_i2c_properties[] = {
1517 DEFINE_PROP_UINT32("size", PXA2xxI2CState, region_size, 0x10000),
1518 DEFINE_PROP_UINT32("offset", PXA2xxI2CState, offset, 0),
1519 DEFINE_PROP_END_OF_LIST(),
1520 };
1521
1522 static void pxa2xx_i2c_class_init(ObjectClass *klass, void *data)
1523 {
1524 DeviceClass *dc = DEVICE_CLASS(klass);
1525
1526 dc->desc = "PXA2xx I2C Bus Controller";
1527 dc->vmsd = &vmstate_pxa2xx_i2c;
1528 dc->props = pxa2xx_i2c_properties;
1529 }
1530
1531 static const TypeInfo pxa2xx_i2c_info = {
1532 .name = TYPE_PXA2XX_I2C,
1533 .parent = TYPE_SYS_BUS_DEVICE,
1534 .instance_size = sizeof(PXA2xxI2CState),
1535 .instance_init = pxa2xx_i2c_initfn,
1536 .class_init = pxa2xx_i2c_class_init,
1537 };
1538
1539 /* PXA Inter-IC Sound Controller */
1540 static void pxa2xx_i2s_reset(PXA2xxI2SState *i2s)
1541 {
1542 i2s->rx_len = 0;
1543 i2s->tx_len = 0;
1544 i2s->fifo_len = 0;
1545 i2s->clk = 0x1a;
1546 i2s->control[0] = 0x00;
1547 i2s->control[1] = 0x00;
1548 i2s->status = 0x00;
1549 i2s->mask = 0x00;
1550 }
1551
1552 #define SACR_TFTH(val) ((val >> 8) & 0xf)
1553 #define SACR_RFTH(val) ((val >> 12) & 0xf)
1554 #define SACR_DREC(val) (val & (1 << 3))
1555 #define SACR_DPRL(val) (val & (1 << 4))
1556
1557 static inline void pxa2xx_i2s_update(PXA2xxI2SState *i2s)
1558 {
1559 int rfs, tfs;
1560 rfs = SACR_RFTH(i2s->control[0]) < i2s->rx_len &&
1561 !SACR_DREC(i2s->control[1]);
1562 tfs = (i2s->tx_len || i2s->fifo_len < SACR_TFTH(i2s->control[0])) &&
1563 i2s->enable && !SACR_DPRL(i2s->control[1]);
1564
1565 qemu_set_irq(i2s->rx_dma, rfs);
1566 qemu_set_irq(i2s->tx_dma, tfs);
1567
1568 i2s->status &= 0xe0;
1569 if (i2s->fifo_len < 16 || !i2s->enable)
1570 i2s->status |= 1 << 0; /* TNF */
1571 if (i2s->rx_len)
1572 i2s->status |= 1 << 1; /* RNE */
1573 if (i2s->enable)
1574 i2s->status |= 1 << 2; /* BSY */
1575 if (tfs)
1576 i2s->status |= 1 << 3; /* TFS */
1577 if (rfs)
1578 i2s->status |= 1 << 4; /* RFS */
1579 if (!(i2s->tx_len && i2s->enable))
1580 i2s->status |= i2s->fifo_len << 8; /* TFL */
1581 i2s->status |= MAX(i2s->rx_len, 0xf) << 12; /* RFL */
1582
1583 qemu_set_irq(i2s->irq, i2s->status & i2s->mask);
1584 }
1585
1586 #define SACR0 0x00 /* Serial Audio Global Control register */
1587 #define SACR1 0x04 /* Serial Audio I2S/MSB-Justified Control register */
1588 #define SASR0 0x0c /* Serial Audio Interface and FIFO Status register */
1589 #define SAIMR 0x14 /* Serial Audio Interrupt Mask register */
1590 #define SAICR 0x18 /* Serial Audio Interrupt Clear register */
1591 #define SADIV 0x60 /* Serial Audio Clock Divider register */
1592 #define SADR 0x80 /* Serial Audio Data register */
1593
1594 static uint64_t pxa2xx_i2s_read(void *opaque, hwaddr addr,
1595 unsigned size)
1596 {
1597 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1598
1599 switch (addr) {
1600 case SACR0:
1601 return s->control[0];
1602 case SACR1:
1603 return s->control[1];
1604 case SASR0:
1605 return s->status;
1606 case SAIMR:
1607 return s->mask;
1608 case SAICR:
1609 return 0;
1610 case SADIV:
1611 return s->clk;
1612 case SADR:
1613 if (s->rx_len > 0) {
1614 s->rx_len --;
1615 pxa2xx_i2s_update(s);
1616 return s->codec_in(s->opaque);
1617 }
1618 return 0;
1619 default:
1620 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1621 break;
1622 }
1623 return 0;
1624 }
1625
1626 static void pxa2xx_i2s_write(void *opaque, hwaddr addr,
1627 uint64_t value, unsigned size)
1628 {
1629 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1630 uint32_t *sample;
1631
1632 switch (addr) {
1633 case SACR0:
1634 if (value & (1 << 3)) /* RST */
1635 pxa2xx_i2s_reset(s);
1636 s->control[0] = value & 0xff3d;
1637 if (!s->enable && (value & 1) && s->tx_len) { /* ENB */
1638 for (sample = s->fifo; s->fifo_len > 0; s->fifo_len --, sample ++)
1639 s->codec_out(s->opaque, *sample);
1640 s->status &= ~(1 << 7); /* I2SOFF */
1641 }
1642 if (value & (1 << 4)) /* EFWR */
1643 printf("%s: Attempt to use special function\n", __FUNCTION__);
1644 s->enable = (value & 9) == 1; /* ENB && !RST*/
1645 pxa2xx_i2s_update(s);
1646 break;
1647 case SACR1:
1648 s->control[1] = value & 0x0039;
1649 if (value & (1 << 5)) /* ENLBF */
1650 printf("%s: Attempt to use loopback function\n", __FUNCTION__);
1651 if (value & (1 << 4)) /* DPRL */
1652 s->fifo_len = 0;
1653 pxa2xx_i2s_update(s);
1654 break;
1655 case SAIMR:
1656 s->mask = value & 0x0078;
1657 pxa2xx_i2s_update(s);
1658 break;
1659 case SAICR:
1660 s->status &= ~(value & (3 << 5));
1661 pxa2xx_i2s_update(s);
1662 break;
1663 case SADIV:
1664 s->clk = value & 0x007f;
1665 break;
1666 case SADR:
1667 if (s->tx_len && s->enable) {
1668 s->tx_len --;
1669 pxa2xx_i2s_update(s);
1670 s->codec_out(s->opaque, value);
1671 } else if (s->fifo_len < 16) {
1672 s->fifo[s->fifo_len ++] = value;
1673 pxa2xx_i2s_update(s);
1674 }
1675 break;
1676 default:
1677 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1678 }
1679 }
1680
1681 static const MemoryRegionOps pxa2xx_i2s_ops = {
1682 .read = pxa2xx_i2s_read,
1683 .write = pxa2xx_i2s_write,
1684 .endianness = DEVICE_NATIVE_ENDIAN,
1685 };
1686
1687 static const VMStateDescription vmstate_pxa2xx_i2s = {
1688 .name = "pxa2xx_i2s",
1689 .version_id = 0,
1690 .minimum_version_id = 0,
1691 .fields = (VMStateField[]) {
1692 VMSTATE_UINT32_ARRAY(control, PXA2xxI2SState, 2),
1693 VMSTATE_UINT32(status, PXA2xxI2SState),
1694 VMSTATE_UINT32(mask, PXA2xxI2SState),
1695 VMSTATE_UINT32(clk, PXA2xxI2SState),
1696 VMSTATE_INT32(enable, PXA2xxI2SState),
1697 VMSTATE_INT32(rx_len, PXA2xxI2SState),
1698 VMSTATE_INT32(tx_len, PXA2xxI2SState),
1699 VMSTATE_INT32(fifo_len, PXA2xxI2SState),
1700 VMSTATE_END_OF_LIST()
1701 }
1702 };
1703
1704 static void pxa2xx_i2s_data_req(void *opaque, int tx, int rx)
1705 {
1706 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque;
1707 uint32_t *sample;
1708
1709 /* Signal FIFO errors */
1710 if (s->enable && s->tx_len)
1711 s->status |= 1 << 5; /* TUR */
1712 if (s->enable && s->rx_len)
1713 s->status |= 1 << 6; /* ROR */
1714
1715 /* Should be tx - MIN(tx, s->fifo_len) but we don't really need to
1716 * handle the cases where it makes a difference. */
1717 s->tx_len = tx - s->fifo_len;
1718 s->rx_len = rx;
1719 /* Note that is s->codec_out wasn't set, we wouldn't get called. */
1720 if (s->enable)
1721 for (sample = s->fifo; s->fifo_len; s->fifo_len --, sample ++)
1722 s->codec_out(s->opaque, *sample);
1723 pxa2xx_i2s_update(s);
1724 }
1725
1726 static PXA2xxI2SState *pxa2xx_i2s_init(MemoryRegion *sysmem,
1727 hwaddr base,
1728 qemu_irq irq, qemu_irq rx_dma, qemu_irq tx_dma)
1729 {
1730 PXA2xxI2SState *s = g_new0(PXA2xxI2SState, 1);
1731
1732 s->irq = irq;
1733 s->rx_dma = rx_dma;
1734 s->tx_dma = tx_dma;
1735 s->data_req = pxa2xx_i2s_data_req;
1736
1737 pxa2xx_i2s_reset(s);
1738
1739 memory_region_init_io(&s->iomem, NULL, &pxa2xx_i2s_ops, s,
1740 "pxa2xx-i2s", 0x100000);
1741 memory_region_add_subregion(sysmem, base, &s->iomem);
1742
1743 vmstate_register(NULL, base, &vmstate_pxa2xx_i2s, s);
1744
1745 return s;
1746 }
1747
1748 /* PXA Fast Infra-red Communications Port */
1749 #define TYPE_PXA2XX_FIR "pxa2xx-fir"
1750 #define PXA2XX_FIR(obj) OBJECT_CHECK(PXA2xxFIrState, (obj), TYPE_PXA2XX_FIR)
1751
1752 struct PXA2xxFIrState {
1753 /*< private >*/
1754 SysBusDevice parent_obj;
1755 /*< public >*/
1756
1757 MemoryRegion iomem;
1758 qemu_irq irq;
1759 qemu_irq rx_dma;
1760 qemu_irq tx_dma;
1761 uint32_t enable;
1762 CharBackend chr;
1763
1764 uint8_t control[3];
1765 uint8_t status[2];
1766
1767 uint32_t rx_len;
1768 uint32_t rx_start;
1769 uint8_t rx_fifo[64];
1770 };
1771
1772 static void pxa2xx_fir_reset(DeviceState *d)
1773 {
1774 PXA2xxFIrState *s = PXA2XX_FIR(d);
1775
1776 s->control[0] = 0x00;
1777 s->control[1] = 0x00;
1778 s->control[2] = 0x00;
1779 s->status[0] = 0x00;
1780 s->status[1] = 0x00;
1781 s->enable = 0;
1782 }
1783
1784 static inline void pxa2xx_fir_update(PXA2xxFIrState *s)
1785 {
1786 static const int tresh[4] = { 8, 16, 32, 0 };
1787 int intr = 0;
1788 if ((s->control[0] & (1 << 4)) && /* RXE */
1789 s->rx_len >= tresh[s->control[2] & 3]) /* TRIG */
1790 s->status[0] |= 1 << 4; /* RFS */
1791 else
1792 s->status[0] &= ~(1 << 4); /* RFS */
1793 if (s->control[0] & (1 << 3)) /* TXE */
1794 s->status[0] |= 1 << 3; /* TFS */
1795 else
1796 s->status[0] &= ~(1 << 3); /* TFS */
1797 if (s->rx_len)
1798 s->status[1] |= 1 << 2; /* RNE */
1799 else
1800 s->status[1] &= ~(1 << 2); /* RNE */
1801 if (s->control[0] & (1 << 4)) /* RXE */
1802 s->status[1] |= 1 << 0; /* RSY */
1803 else
1804 s->status[1] &= ~(1 << 0); /* RSY */
1805
1806 intr |= (s->control[0] & (1 << 5)) && /* RIE */
1807 (s->status[0] & (1 << 4)); /* RFS */
1808 intr |= (s->control[0] & (1 << 6)) && /* TIE */
1809 (s->status[0] & (1 << 3)); /* TFS */
1810 intr |= (s->control[2] & (1 << 4)) && /* TRAIL */
1811 (s->status[0] & (1 << 6)); /* EOC */
1812 intr |= (s->control[0] & (1 << 2)) && /* TUS */
1813 (s->status[0] & (1 << 1)); /* TUR */
1814 intr |= s->status[0] & 0x25; /* FRE, RAB, EIF */
1815
1816 qemu_set_irq(s->rx_dma, (s->status[0] >> 4) & 1);
1817 qemu_set_irq(s->tx_dma, (s->status[0] >> 3) & 1);
1818
1819 qemu_set_irq(s->irq, intr && s->enable);
1820 }
1821
1822 #define ICCR0 0x00 /* FICP Control register 0 */
1823 #define ICCR1 0x04 /* FICP Control register 1 */
1824 #define ICCR2 0x08 /* FICP Control register 2 */
1825 #define ICDR 0x0c /* FICP Data register */
1826 #define ICSR0 0x14 /* FICP Status register 0 */
1827 #define ICSR1 0x18 /* FICP Status register 1 */
1828 #define ICFOR 0x1c /* FICP FIFO Occupancy Status register */
1829
1830 static uint64_t pxa2xx_fir_read(void *opaque, hwaddr addr,
1831 unsigned size)
1832 {
1833 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1834 uint8_t ret;
1835
1836 switch (addr) {
1837 case ICCR0:
1838 return s->control[0];
1839 case ICCR1:
1840 return s->control[1];
1841 case ICCR2:
1842 return s->control[2];
1843 case ICDR:
1844 s->status[0] &= ~0x01;
1845 s->status[1] &= ~0x72;
1846 if (s->rx_len) {
1847 s->rx_len --;
1848 ret = s->rx_fifo[s->rx_start ++];
1849 s->rx_start &= 63;
1850 pxa2xx_fir_update(s);
1851 return ret;
1852 }
1853 printf("%s: Rx FIFO underrun.\n", __FUNCTION__);
1854 break;
1855 case ICSR0:
1856 return s->status[0];
1857 case ICSR1:
1858 return s->status[1] | (1 << 3); /* TNF */
1859 case ICFOR:
1860 return s->rx_len;
1861 default:
1862 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1863 break;
1864 }
1865 return 0;
1866 }
1867
1868 static void pxa2xx_fir_write(void *opaque, hwaddr addr,
1869 uint64_t value64, unsigned size)
1870 {
1871 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1872 uint32_t value = value64;
1873 uint8_t ch;
1874
1875 switch (addr) {
1876 case ICCR0:
1877 s->control[0] = value;
1878 if (!(value & (1 << 4))) /* RXE */
1879 s->rx_len = s->rx_start = 0;
1880 if (!(value & (1 << 3))) { /* TXE */
1881 /* Nop */
1882 }
1883 s->enable = value & 1; /* ITR */
1884 if (!s->enable)
1885 s->status[0] = 0;
1886 pxa2xx_fir_update(s);
1887 break;
1888 case ICCR1:
1889 s->control[1] = value;
1890 break;
1891 case ICCR2:
1892 s->control[2] = value & 0x3f;
1893 pxa2xx_fir_update(s);
1894 break;
1895 case ICDR:
1896 if (s->control[2] & (1 << 2)) { /* TXP */
1897 ch = value;
1898 } else {
1899 ch = ~value;
1900 }
1901 if (s->enable && (s->control[0] & (1 << 3))) { /* TXE */
1902 /* XXX this blocks entire thread. Rewrite to use
1903 * qemu_chr_fe_write and background I/O callbacks */
1904 qemu_chr_fe_write_all(&s->chr, &ch, 1);
1905 }
1906 break;
1907 case ICSR0:
1908 s->status[0] &= ~(value & 0x66);
1909 pxa2xx_fir_update(s);
1910 break;
1911 case ICFOR:
1912 break;
1913 default:
1914 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1915 }
1916 }
1917
1918 static const MemoryRegionOps pxa2xx_fir_ops = {
1919 .read = pxa2xx_fir_read,
1920 .write = pxa2xx_fir_write,
1921 .endianness = DEVICE_NATIVE_ENDIAN,
1922 };
1923
1924 static int pxa2xx_fir_is_empty(void *opaque)
1925 {
1926 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1927 return (s->rx_len < 64);
1928 }
1929
1930 static void pxa2xx_fir_rx(void *opaque, const uint8_t *buf, int size)
1931 {
1932 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
1933 if (!(s->control[0] & (1 << 4))) /* RXE */
1934 return;
1935
1936 while (size --) {
1937 s->status[1] |= 1 << 4; /* EOF */
1938 if (s->rx_len >= 64) {
1939 s->status[1] |= 1 << 6; /* ROR */
1940 break;
1941 }
1942
1943 if (s->control[2] & (1 << 3)) /* RXP */
1944 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = *(buf ++);
1945 else
1946 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = ~*(buf ++);
1947 }
1948
1949 pxa2xx_fir_update(s);
1950 }
1951
1952 static void pxa2xx_fir_event(void *opaque, int event)
1953 {
1954 }
1955
1956 static void pxa2xx_fir_instance_init(Object *obj)
1957 {
1958 PXA2xxFIrState *s = PXA2XX_FIR(obj);
1959 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
1960
1961 memory_region_init_io(&s->iomem, obj, &pxa2xx_fir_ops, s,
1962 "pxa2xx-fir", 0x1000);
1963 sysbus_init_mmio(sbd, &s->iomem);
1964 sysbus_init_irq(sbd, &s->irq);
1965 sysbus_init_irq(sbd, &s->rx_dma);
1966 sysbus_init_irq(sbd, &s->tx_dma);
1967 }
1968
1969 static void pxa2xx_fir_realize(DeviceState *dev, Error **errp)
1970 {
1971 PXA2xxFIrState *s = PXA2XX_FIR(dev);
1972
1973 qemu_chr_fe_set_handlers(&s->chr, pxa2xx_fir_is_empty,
1974 pxa2xx_fir_rx, pxa2xx_fir_event, s, NULL, true);
1975 }
1976
1977 static bool pxa2xx_fir_vmstate_validate(void *opaque, int version_id)
1978 {
1979 PXA2xxFIrState *s = opaque;
1980
1981 return s->rx_start < ARRAY_SIZE(s->rx_fifo);
1982 }
1983
1984 static const VMStateDescription pxa2xx_fir_vmsd = {
1985 .name = "pxa2xx-fir",
1986 .version_id = 1,
1987 .minimum_version_id = 1,
1988 .fields = (VMStateField[]) {
1989 VMSTATE_UINT32(enable, PXA2xxFIrState),
1990 VMSTATE_UINT8_ARRAY(control, PXA2xxFIrState, 3),
1991 VMSTATE_UINT8_ARRAY(status, PXA2xxFIrState, 2),
1992 VMSTATE_UINT32(rx_len, PXA2xxFIrState),
1993 VMSTATE_UINT32(rx_start, PXA2xxFIrState),
1994 VMSTATE_VALIDATE("fifo is 64 bytes", pxa2xx_fir_vmstate_validate),
1995 VMSTATE_UINT8_ARRAY(rx_fifo, PXA2xxFIrState, 64),
1996 VMSTATE_END_OF_LIST()
1997 }
1998 };
1999
2000 static Property pxa2xx_fir_properties[] = {
2001 DEFINE_PROP_CHR("chardev", PXA2xxFIrState, chr),
2002 DEFINE_PROP_END_OF_LIST(),
2003 };
2004
2005 static void pxa2xx_fir_class_init(ObjectClass *klass, void *data)
2006 {
2007 DeviceClass *dc = DEVICE_CLASS(klass);
2008
2009 dc->realize = pxa2xx_fir_realize;
2010 dc->vmsd = &pxa2xx_fir_vmsd;
2011 dc->props = pxa2xx_fir_properties;
2012 dc->reset = pxa2xx_fir_reset;
2013 }
2014
2015 static const TypeInfo pxa2xx_fir_info = {
2016 .name = TYPE_PXA2XX_FIR,
2017 .parent = TYPE_SYS_BUS_DEVICE,
2018 .instance_size = sizeof(PXA2xxFIrState),
2019 .class_init = pxa2xx_fir_class_init,
2020 .instance_init = pxa2xx_fir_instance_init,
2021 };
2022
2023 static PXA2xxFIrState *pxa2xx_fir_init(MemoryRegion *sysmem,
2024 hwaddr base,
2025 qemu_irq irq, qemu_irq rx_dma,
2026 qemu_irq tx_dma,
2027 Chardev *chr)
2028 {
2029 DeviceState *dev;
2030 SysBusDevice *sbd;
2031
2032 dev = qdev_create(NULL, TYPE_PXA2XX_FIR);
2033 qdev_prop_set_chr(dev, "chardev", chr);
2034 qdev_init_nofail(dev);
2035 sbd = SYS_BUS_DEVICE(dev);
2036 sysbus_mmio_map(sbd, 0, base);
2037 sysbus_connect_irq(sbd, 0, irq);
2038 sysbus_connect_irq(sbd, 1, rx_dma);
2039 sysbus_connect_irq(sbd, 2, tx_dma);
2040 return PXA2XX_FIR(dev);
2041 }
2042
2043 static void pxa2xx_reset(void *opaque, int line, int level)
2044 {
2045 PXA2xxState *s = (PXA2xxState *) opaque;
2046
2047 if (level && (s->pm_regs[PCFR >> 2] & 0x10)) { /* GPR_EN */
2048 cpu_reset(CPU(s->cpu));
2049 /* TODO: reset peripherals */
2050 }
2051 }
2052
2053 /* Initialise a PXA270 integrated chip (ARM based core). */
2054 PXA2xxState *pxa270_init(MemoryRegion *address_space,
2055 unsigned int sdram_size, const char *revision)
2056 {
2057 PXA2xxState *s;
2058 int i;
2059 DriveInfo *dinfo;
2060 s = g_new0(PXA2xxState, 1);
2061
2062 if (revision && strncmp(revision, "pxa27", 5)) {
2063 fprintf(stderr, "Machine requires a PXA27x processor.\n");
2064 exit(1);
2065 }
2066 if (!revision)
2067 revision = "pxa270";
2068
2069 s->cpu = cpu_arm_init(revision);
2070 if (s->cpu == NULL) {
2071 fprintf(stderr, "Unable to find CPU definition\n");
2072 exit(1);
2073 }
2074 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2075
2076 /* SDRAM & Internal Memory Storage */
2077 memory_region_init_ram(&s->sdram, NULL, "pxa270.sdram", sdram_size,
2078 &error_fatal);
2079 vmstate_register_ram_global(&s->sdram);
2080 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2081 memory_region_init_ram(&s->internal, NULL, "pxa270.internal", 0x40000,
2082 &error_fatal);
2083 vmstate_register_ram_global(&s->internal);
2084 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2085 &s->internal);
2086
2087 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2088
2089 s->dma = pxa27x_dma_init(0x40000000,
2090 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2091
2092 sysbus_create_varargs("pxa27x-timer", 0x40a00000,
2093 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2094 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2095 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2096 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2097 qdev_get_gpio_in(s->pic, PXA27X_PIC_OST_4_11),
2098 NULL);
2099
2100 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 121);
2101
2102 dinfo = drive_get(IF_SD, 0, 0);
2103 if (!dinfo) {
2104 fprintf(stderr, "qemu: missing SecureDigital device\n");
2105 exit(1);
2106 }
2107 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2108 blk_by_legacy_dinfo(dinfo),
2109 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2110 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2111 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2112
2113 for (i = 0; pxa270_serial[i].io_base; i++) {
2114 if (serial_hds[i]) {
2115 serial_mm_init(address_space, pxa270_serial[i].io_base, 2,
2116 qdev_get_gpio_in(s->pic, pxa270_serial[i].irqn),
2117 14857000 / 16, serial_hds[i],
2118 DEVICE_NATIVE_ENDIAN);
2119 } else {
2120 break;
2121 }
2122 }
2123 if (serial_hds[i])
2124 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2125 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2126 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2127 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2128 serial_hds[i]);
2129
2130 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2131 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2132
2133 s->cm_base = 0x41300000;
2134 s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */
2135 s->clkcfg = 0x00000009; /* Turbo mode active */
2136 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2137 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2138 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2139
2140 pxa2xx_setup_cp14(s);
2141
2142 s->mm_base = 0x48000000;
2143 s->mm_regs[MDMRS >> 2] = 0x00020002;
2144 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2145 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2146 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2147 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2148 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2149
2150 s->pm_base = 0x40f00000;
2151 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2152 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2153 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2154
2155 for (i = 0; pxa27x_ssp[i].io_base; i ++);
2156 s->ssp = g_new0(SSIBus *, i);
2157 for (i = 0; pxa27x_ssp[i].io_base; i ++) {
2158 DeviceState *dev;
2159 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa27x_ssp[i].io_base,
2160 qdev_get_gpio_in(s->pic, pxa27x_ssp[i].irqn));
2161 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2162 }
2163
2164 sysbus_create_simple("sysbus-ohci", 0x4c000000,
2165 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1));
2166
2167 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2168 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2169
2170 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2171 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2172
2173 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2174 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2175 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2176 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2177
2178 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2179 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2180 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2181 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2182
2183 s->kp = pxa27x_keypad_init(address_space, 0x41500000,
2184 qdev_get_gpio_in(s->pic, PXA2XX_PIC_KEYPAD));
2185
2186 /* GPIO1 resets the processor */
2187 /* The handler can be overridden by board-specific code */
2188 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2189 return s;
2190 }
2191
2192 /* Initialise a PXA255 integrated chip (ARM based core). */
2193 PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size)
2194 {
2195 PXA2xxState *s;
2196 int i;
2197 DriveInfo *dinfo;
2198
2199 s = g_new0(PXA2xxState, 1);
2200
2201 s->cpu = cpu_arm_init("pxa255");
2202 if (s->cpu == NULL) {
2203 fprintf(stderr, "Unable to find CPU definition\n");
2204 exit(1);
2205 }
2206 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0);
2207
2208 /* SDRAM & Internal Memory Storage */
2209 memory_region_init_ram(&s->sdram, NULL, "pxa255.sdram", sdram_size,
2210 &error_fatal);
2211 vmstate_register_ram_global(&s->sdram);
2212 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram);
2213 memory_region_init_ram(&s->internal, NULL, "pxa255.internal",
2214 PXA2XX_INTERNAL_SIZE, &error_fatal);
2215 vmstate_register_ram_global(&s->internal);
2216 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
2217 &s->internal);
2218
2219 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
2220
2221 s->dma = pxa255_dma_init(0x40000000,
2222 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
2223
2224 sysbus_create_varargs("pxa25x-timer", 0x40a00000,
2225 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0),
2226 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1),
2227 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2),
2228 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
2229 NULL);
2230
2231 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 85);
2232
2233 dinfo = drive_get(IF_SD, 0, 0);
2234 if (!dinfo) {
2235 fprintf(stderr, "qemu: missing SecureDigital device\n");
2236 exit(1);
2237 }
2238 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
2239 blk_by_legacy_dinfo(dinfo),
2240 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
2241 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
2242 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
2243
2244 for (i = 0; pxa255_serial[i].io_base; i++) {
2245 if (serial_hds[i]) {
2246 serial_mm_init(address_space, pxa255_serial[i].io_base, 2,
2247 qdev_get_gpio_in(s->pic, pxa255_serial[i].irqn),
2248 14745600 / 16, serial_hds[i],
2249 DEVICE_NATIVE_ENDIAN);
2250 } else {
2251 break;
2252 }
2253 }
2254 if (serial_hds[i])
2255 s->fir = pxa2xx_fir_init(address_space, 0x40800000,
2256 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP),
2257 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP),
2258 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP),
2259 serial_hds[i]);
2260
2261 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000,
2262 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD));
2263
2264 s->cm_base = 0x41300000;
2265 s->cm_regs[CCCR >> 2] = 0x00000121; /* from datasheet */
2266 s->cm_regs[CKEN >> 2] = 0x00017def; /* from datasheet */
2267
2268 s->clkcfg = 0x00000009; /* Turbo mode active */
2269 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000);
2270 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
2271 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
2272
2273 pxa2xx_setup_cp14(s);
2274
2275 s->mm_base = 0x48000000;
2276 s->mm_regs[MDMRS >> 2] = 0x00020002;
2277 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
2278 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
2279 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000);
2280 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem);
2281 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s);
2282
2283 s->pm_base = 0x40f00000;
2284 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100);
2285 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem);
2286 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s);
2287
2288 for (i = 0; pxa255_ssp[i].io_base; i ++);
2289 s->ssp = g_new0(SSIBus *, i);
2290 for (i = 0; pxa255_ssp[i].io_base; i ++) {
2291 DeviceState *dev;
2292 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa255_ssp[i].io_base,
2293 qdev_get_gpio_in(s->pic, pxa255_ssp[i].irqn));
2294 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
2295 }
2296
2297 sysbus_create_simple("sysbus-ohci", 0x4c000000,
2298 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1));
2299
2300 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
2301 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000);
2302
2303 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000,
2304 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM));
2305
2306 s->i2c[0] = pxa2xx_i2c_init(0x40301600,
2307 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff);
2308 s->i2c[1] = pxa2xx_i2c_init(0x40f00100,
2309 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff);
2310
2311 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000,
2312 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S),
2313 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S),
2314 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S));
2315
2316 /* GPIO1 resets the processor */
2317 /* The handler can be overridden by board-specific code */
2318 qdev_connect_gpio_out(s->gpio, 1, s->reset);
2319 return s;
2320 }
2321
2322 static void pxa2xx_ssp_class_init(ObjectClass *klass, void *data)
2323 {
2324 SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
2325 DeviceClass *dc = DEVICE_CLASS(klass);
2326
2327 sdc->init = pxa2xx_ssp_init;
2328 dc->reset = pxa2xx_ssp_reset;
2329 dc->vmsd = &vmstate_pxa2xx_ssp;
2330 }
2331
2332 static const TypeInfo pxa2xx_ssp_info = {
2333 .name = TYPE_PXA2XX_SSP,
2334 .parent = TYPE_SYS_BUS_DEVICE,
2335 .instance_size = sizeof(PXA2xxSSPState),
2336 .class_init = pxa2xx_ssp_class_init,
2337 };
2338
2339 static void pxa2xx_register_types(void)
2340 {
2341 type_register_static(&pxa2xx_i2c_slave_info);
2342 type_register_static(&pxa2xx_ssp_info);
2343 type_register_static(&pxa2xx_i2c_info);
2344 type_register_static(&pxa2xx_rtc_sysbus_info);
2345 type_register_static(&pxa2xx_fir_info);
2346 }
2347
2348 type_init(pxa2xx_register_types)
Mirror of https://git.qemu.org/git/qemu.git