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25#include <stdio.h>
26#include "hw/hw.h"
27#include "hw/sh4/sh.h"
28#include "sysemu/sysemu.h"
29#include "sh7750_regs.h"
30#include "sh7750_regnames.h"
31#include "hw/sh4/sh_intc.h"
32#include "cpu.h"
33#include "exec/address-spaces.h"
34
35#define NB_DEVICES 4
36
37typedef struct SH7750State {
38 MemoryRegion iomem;
39 MemoryRegion iomem_1f0;
40 MemoryRegion iomem_ff0;
41 MemoryRegion iomem_1f8;
42 MemoryRegion iomem_ff8;
43 MemoryRegion iomem_1fc;
44 MemoryRegion iomem_ffc;
45 MemoryRegion mmct_iomem;
46
47 SuperHCPU *cpu;
48
49 uint32_t periph_freq;
50
51 uint32_t bcr1;
52 uint16_t bcr2;
53 uint16_t bcr3;
54 uint32_t bcr4;
55 uint16_t rfcr;
56
57 uint16_t pcr;
58
59 uint16_t gpioic;
60 uint32_t pctra;
61 uint32_t pctrb;
62 uint16_t portdira;
63 uint16_t portpullupa;
64 uint16_t portdirb;
65 uint16_t portpullupb;
66 uint16_t pdtra;
67 uint16_t pdtrb;
68 uint16_t periph_pdtra;
69 uint16_t periph_portdira;
70 uint16_t periph_pdtrb;
71 uint16_t periph_portdirb;
72 sh7750_io_device *devices[NB_DEVICES];
73
74
75 uint32_t ccr;
76
77 struct intc_desc intc;
78} SH7750State;
79
80static inline int has_bcr3_and_bcr4(SH7750State * s)
81{
82 return s->cpu->env.features & SH_FEATURE_BCR3_AND_BCR4;
83}
84
85
86
87
88int sh7750_register_io_device(SH7750State * s, sh7750_io_device * device)
89{
90 int i;
91
92 for (i = 0; i < NB_DEVICES; i++) {
93 if (s->devices[i] == NULL) {
94 s->devices[i] = device;
95 return 0;
96 }
97 }
98 return -1;
99}
100
101static uint16_t portdir(uint32_t v)
102{
103#define EVENPORTMASK(n) ((v & (1<<((n)<<1))) >> (n))
104 return
105 EVENPORTMASK(15) | EVENPORTMASK(14) | EVENPORTMASK(13) |
106 EVENPORTMASK(12) | EVENPORTMASK(11) | EVENPORTMASK(10) |
107 EVENPORTMASK(9) | EVENPORTMASK(8) | EVENPORTMASK(7) |
108 EVENPORTMASK(6) | EVENPORTMASK(5) | EVENPORTMASK(4) |
109 EVENPORTMASK(3) | EVENPORTMASK(2) | EVENPORTMASK(1) |
110 EVENPORTMASK(0);
111}
112
113static uint16_t portpullup(uint32_t v)
114{
115#define ODDPORTMASK(n) ((v & (1<<(((n)<<1)+1))) >> (n))
116 return
117 ODDPORTMASK(15) | ODDPORTMASK(14) | ODDPORTMASK(13) |
118 ODDPORTMASK(12) | ODDPORTMASK(11) | ODDPORTMASK(10) |
119 ODDPORTMASK(9) | ODDPORTMASK(8) | ODDPORTMASK(7) | ODDPORTMASK(6) |
120 ODDPORTMASK(5) | ODDPORTMASK(4) | ODDPORTMASK(3) | ODDPORTMASK(2) |
121 ODDPORTMASK(1) | ODDPORTMASK(0);
122}
123
124static uint16_t porta_lines(SH7750State * s)
125{
126 return (s->portdira & s->pdtra) |
127 (s->periph_portdira & s->periph_pdtra) |
128 (~(s->portdira | s->periph_portdira) & s->portpullupa);
129}
130
131static uint16_t portb_lines(SH7750State * s)
132{
133 return (s->portdirb & s->pdtrb) |
134 (s->periph_portdirb & s->periph_pdtrb) |
135 (~(s->portdirb | s->periph_portdirb) & s->portpullupb);
136}
137
138static void gen_port_interrupts(SH7750State * s)
139{
140
141}
142
143static void porta_changed(SH7750State * s, uint16_t prev)
144{
145 uint16_t currenta, changes;
146 int i, r = 0;
147
148#if 0
149 fprintf(stderr, "porta changed from 0x%04x to 0x%04x\n",
150 prev, porta_lines(s));
151 fprintf(stderr, "pdtra=0x%04x, pctra=0x%08x\n", s->pdtra, s->pctra);
152#endif
153 currenta = porta_lines(s);
154 if (currenta == prev)
155 return;
156 changes = currenta ^ prev;
157
158 for (i = 0; i < NB_DEVICES; i++) {
159 if (s->devices[i] && (s->devices[i]->portamask_trigger & changes)) {
160 r |= s->devices[i]->port_change_cb(currenta, portb_lines(s),
161 &s->periph_pdtra,
162 &s->periph_portdira,
163 &s->periph_pdtrb,
164 &s->periph_portdirb);
165 }
166 }
167
168 if (r)
169 gen_port_interrupts(s);
170}
171
172static void portb_changed(SH7750State * s, uint16_t prev)
173{
174 uint16_t currentb, changes;
175 int i, r = 0;
176
177 currentb = portb_lines(s);
178 if (currentb == prev)
179 return;
180 changes = currentb ^ prev;
181
182 for (i = 0; i < NB_DEVICES; i++) {
183 if (s->devices[i] && (s->devices[i]->portbmask_trigger & changes)) {
184 r |= s->devices[i]->port_change_cb(portb_lines(s), currentb,
185 &s->periph_pdtra,
186 &s->periph_portdira,
187 &s->periph_pdtrb,
188 &s->periph_portdirb);
189 }
190 }
191
192 if (r)
193 gen_port_interrupts(s);
194}
195
196
197
198
199
200static void error_access(const char *kind, hwaddr addr)
201{
202 fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") not supported\n",
203 kind, regname(addr), addr);
204}
205
206static void ignore_access(const char *kind, hwaddr addr)
207{
208 fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") ignored\n",
209 kind, regname(addr), addr);
210}
211
212static uint32_t sh7750_mem_readb(void *opaque, hwaddr addr)
213{
214 switch (addr) {
215 default:
216 error_access("byte read", addr);
217 abort();
218 }
219}
220
221static uint32_t sh7750_mem_readw(void *opaque, hwaddr addr)
222{
223 SH7750State *s = opaque;
224
225 switch (addr) {
226 case SH7750_BCR2_A7:
227 return s->bcr2;
228 case SH7750_BCR3_A7:
229 if(!has_bcr3_and_bcr4(s))
230 error_access("word read", addr);
231 return s->bcr3;
232 case SH7750_FRQCR_A7:
233 return 0;
234 case SH7750_PCR_A7:
235 return s->pcr;
236 case SH7750_RFCR_A7:
237 fprintf(stderr,
238 "Read access to refresh count register, incrementing\n");
239 return s->rfcr++;
240 case SH7750_PDTRA_A7:
241 return porta_lines(s);
242 case SH7750_PDTRB_A7:
243 return portb_lines(s);
244 case SH7750_RTCOR_A7:
245 case SH7750_RTCNT_A7:
246 case SH7750_RTCSR_A7:
247 ignore_access("word read", addr);
248 return 0;
249 default:
250 error_access("word read", addr);
251 abort();
252 }
253}
254
255static uint32_t sh7750_mem_readl(void *opaque, hwaddr addr)
256{
257 SH7750State *s = opaque;
258 SuperHCPUClass *scc;
259
260 switch (addr) {
261 case SH7750_BCR1_A7:
262 return s->bcr1;
263 case SH7750_BCR4_A7:
264 if(!has_bcr3_and_bcr4(s))
265 error_access("long read", addr);
266 return s->bcr4;
267 case SH7750_WCR1_A7:
268 case SH7750_WCR2_A7:
269 case SH7750_WCR3_A7:
270 case SH7750_MCR_A7:
271 ignore_access("long read", addr);
272 return 0;
273 case SH7750_MMUCR_A7:
274 return s->cpu->env.mmucr;
275 case SH7750_PTEH_A7:
276 return s->cpu->env.pteh;
277 case SH7750_PTEL_A7:
278 return s->cpu->env.ptel;
279 case SH7750_TTB_A7:
280 return s->cpu->env.ttb;
281 case SH7750_TEA_A7:
282 return s->cpu->env.tea;
283 case SH7750_TRA_A7:
284 return s->cpu->env.tra;
285 case SH7750_EXPEVT_A7:
286 return s->cpu->env.expevt;
287 case SH7750_INTEVT_A7:
288 return s->cpu->env.intevt;
289 case SH7750_CCR_A7:
290 return s->ccr;
291 case 0x1f000030:
292 scc = SUPERH_CPU_GET_CLASS(s->cpu);
293 return scc->pvr;
294 case 0x1f000040:
295 scc = SUPERH_CPU_GET_CLASS(s->cpu);
296 return scc->cvr;
297 case 0x1f000044:
298 scc = SUPERH_CPU_GET_CLASS(s->cpu);
299 return scc->prr;
300 default:
301 error_access("long read", addr);
302 abort();
303 }
304}
305
306#define is_in_sdrmx(a, x) (a >= SH7750_SDMR ## x ## _A7 \
307 && a <= (SH7750_SDMR ## x ## _A7 + SH7750_SDMR ## x ## _REGNB))
308static void sh7750_mem_writeb(void *opaque, hwaddr addr,
309 uint32_t mem_value)
310{
311
312 if (is_in_sdrmx(addr, 2) || is_in_sdrmx(addr, 3)) {
313 ignore_access("byte write", addr);
314 return;
315 }
316
317 error_access("byte write", addr);
318 abort();
319}
320
321static void sh7750_mem_writew(void *opaque, hwaddr addr,
322 uint32_t mem_value)
323{
324 SH7750State *s = opaque;
325 uint16_t temp;
326
327 switch (addr) {
328
329 case SH7750_BCR2_A7:
330 s->bcr2 = mem_value;
331 return;
332 case SH7750_BCR3_A7:
333 if(!has_bcr3_and_bcr4(s))
334 error_access("word write", addr);
335 s->bcr3 = mem_value;
336 return;
337 case SH7750_PCR_A7:
338 s->pcr = mem_value;
339 return;
340 case SH7750_RTCNT_A7:
341 case SH7750_RTCOR_A7:
342 case SH7750_RTCSR_A7:
343 ignore_access("word write", addr);
344 return;
345
346 case SH7750_PDTRA_A7:
347 temp = porta_lines(s);
348 s->pdtra = mem_value;
349 porta_changed(s, temp);
350 return;
351 case SH7750_PDTRB_A7:
352 temp = portb_lines(s);
353 s->pdtrb = mem_value;
354 portb_changed(s, temp);
355 return;
356 case SH7750_RFCR_A7:
357 fprintf(stderr, "Write access to refresh count register\n");
358 s->rfcr = mem_value;
359 return;
360 case SH7750_GPIOIC_A7:
361 s->gpioic = mem_value;
362 if (mem_value != 0) {
363 fprintf(stderr, "I/O interrupts not implemented\n");
364 abort();
365 }
366 return;
367 default:
368 error_access("word write", addr);
369 abort();
370 }
371}
372
373static void sh7750_mem_writel(void *opaque, hwaddr addr,
374 uint32_t mem_value)
375{
376 SH7750State *s = opaque;
377 uint16_t temp;
378
379 switch (addr) {
380
381 case SH7750_BCR1_A7:
382 s->bcr1 = mem_value;
383 return;
384 case SH7750_BCR4_A7:
385 if(!has_bcr3_and_bcr4(s))
386 error_access("long write", addr);
387 s->bcr4 = mem_value;
388 return;
389 case SH7750_WCR1_A7:
390 case SH7750_WCR2_A7:
391 case SH7750_WCR3_A7:
392 case SH7750_MCR_A7:
393 ignore_access("long write", addr);
394 return;
395
396 case SH7750_PCTRA_A7:
397 temp = porta_lines(s);
398 s->pctra = mem_value;
399 s->portdira = portdir(mem_value);
400 s->portpullupa = portpullup(mem_value);
401 porta_changed(s, temp);
402 return;
403 case SH7750_PCTRB_A7:
404 temp = portb_lines(s);
405 s->pctrb = mem_value;
406 s->portdirb = portdir(mem_value);
407 s->portpullupb = portpullup(mem_value);
408 portb_changed(s, temp);
409 return;
410 case SH7750_MMUCR_A7:
411 if (mem_value & MMUCR_TI) {
412 cpu_sh4_invalidate_tlb(&s->cpu->env);
413 }
414 s->cpu->env.mmucr = mem_value & ~MMUCR_TI;
415 return;
416 case SH7750_PTEH_A7:
417
418 if ((s->cpu->env.pteh & 0xff) != (mem_value & 0xff)) {
419 tlb_flush(&s->cpu->env, 1);
420 }
421 s->cpu->env.pteh = mem_value;
422 return;
423 case SH7750_PTEL_A7:
424 s->cpu->env.ptel = mem_value;
425 return;
426 case SH7750_PTEA_A7:
427 s->cpu->env.ptea = mem_value & 0x0000000f;
428 return;
429 case SH7750_TTB_A7:
430 s->cpu->env.ttb = mem_value;
431 return;
432 case SH7750_TEA_A7:
433 s->cpu->env.tea = mem_value;
434 return;
435 case SH7750_TRA_A7:
436 s->cpu->env.tra = mem_value & 0x000007ff;
437 return;
438 case SH7750_EXPEVT_A7:
439 s->cpu->env.expevt = mem_value & 0x000007ff;
440 return;
441 case SH7750_INTEVT_A7:
442 s->cpu->env.intevt = mem_value & 0x000007ff;
443 return;
444 case SH7750_CCR_A7:
445 s->ccr = mem_value;
446 return;
447 default:
448 error_access("long write", addr);
449 abort();
450 }
451}
452
453static const MemoryRegionOps sh7750_mem_ops = {
454 .old_mmio = {
455 .read = {sh7750_mem_readb,
456 sh7750_mem_readw,
457 sh7750_mem_readl },
458 .write = {sh7750_mem_writeb,
459 sh7750_mem_writew,
460 sh7750_mem_writel },
461 },
462 .endianness = DEVICE_NATIVE_ENDIAN,
463};
464
465
466
467
468
469enum {
470 UNUSED = 0,
471
472
473 IRL_0, IRL_1, IRL_2, IRL_3, IRL_4, IRL_5, IRL_6, IRL_7,
474 IRL_8, IRL_9, IRL_A, IRL_B, IRL_C, IRL_D, IRL_E,
475 IRL0, IRL1, IRL2, IRL3,
476 HUDI, GPIOI,
477 DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2, DMAC_DMTE3,
478 DMAC_DMTE4, DMAC_DMTE5, DMAC_DMTE6, DMAC_DMTE7,
479 DMAC_DMAE,
480 PCIC0_PCISERR, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
481 PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3,
482 TMU3, TMU4, TMU0, TMU1, TMU2_TUNI, TMU2_TICPI,
483 RTC_ATI, RTC_PRI, RTC_CUI,
484 SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI,
485 SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI,
486 WDT,
487 REF_RCMI, REF_ROVI,
488
489
490 DMAC, PCIC1, TMU2, RTC, SCI1, SCIF, REF,
491
492 IRL,
493
494 NR_SOURCES,
495};
496
497static struct intc_vect vectors[] = {
498 INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620),
499 INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
500 INTC_VECT(TMU2_TUNI, 0x440), INTC_VECT(TMU2_TICPI, 0x460),
501 INTC_VECT(RTC_ATI, 0x480), INTC_VECT(RTC_PRI, 0x4a0),
502 INTC_VECT(RTC_CUI, 0x4c0),
503 INTC_VECT(SCI1_ERI, 0x4e0), INTC_VECT(SCI1_RXI, 0x500),
504 INTC_VECT(SCI1_TXI, 0x520), INTC_VECT(SCI1_TEI, 0x540),
505 INTC_VECT(SCIF_ERI, 0x700), INTC_VECT(SCIF_RXI, 0x720),
506 INTC_VECT(SCIF_BRI, 0x740), INTC_VECT(SCIF_TXI, 0x760),
507 INTC_VECT(WDT, 0x560),
508 INTC_VECT(REF_RCMI, 0x580), INTC_VECT(REF_ROVI, 0x5a0),
509};
510
511static struct intc_group groups[] = {
512 INTC_GROUP(TMU2, TMU2_TUNI, TMU2_TICPI),
513 INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI),
514 INTC_GROUP(SCI1, SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI),
515 INTC_GROUP(SCIF, SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI),
516 INTC_GROUP(REF, REF_RCMI, REF_ROVI),
517};
518
519static struct intc_prio_reg prio_registers[] = {
520 { 0xffd00004, 0, 16, 4, { TMU0, TMU1, TMU2, RTC } },
521 { 0xffd00008, 0, 16, 4, { WDT, REF, SCI1, 0 } },
522 { 0xffd0000c, 0, 16, 4, { GPIOI, DMAC, SCIF, HUDI } },
523 { 0xffd00010, 0, 16, 4, { IRL0, IRL1, IRL2, IRL3 } },
524 { 0xfe080000, 0, 32, 4, { 0, 0, 0, 0,
525 TMU4, TMU3,
526 PCIC1, PCIC0_PCISERR } },
527};
528
529
530
531static struct intc_vect vectors_dma4[] = {
532 INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660),
533 INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0),
534 INTC_VECT(DMAC_DMAE, 0x6c0),
535};
536
537static struct intc_group groups_dma4[] = {
538 INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2,
539 DMAC_DMTE3, DMAC_DMAE),
540};
541
542
543
544static struct intc_vect vectors_dma8[] = {
545 INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660),
546 INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0),
547 INTC_VECT(DMAC_DMTE4, 0x780), INTC_VECT(DMAC_DMTE5, 0x7a0),
548 INTC_VECT(DMAC_DMTE6, 0x7c0), INTC_VECT(DMAC_DMTE7, 0x7e0),
549 INTC_VECT(DMAC_DMAE, 0x6c0),
550};
551
552static struct intc_group groups_dma8[] = {
553 INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2,
554 DMAC_DMTE3, DMAC_DMTE4, DMAC_DMTE5,
555 DMAC_DMTE6, DMAC_DMTE7, DMAC_DMAE),
556};
557
558
559
560static struct intc_vect vectors_tmu34[] = {
561 INTC_VECT(TMU3, 0xb00), INTC_VECT(TMU4, 0xb80),
562};
563
564static struct intc_mask_reg mask_registers[] = {
565 { 0xfe080040, 0xfe080060, 32,
566 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
567 0, 0, 0, 0, 0, 0, TMU4, TMU3,
568 PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
569 PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2,
570 PCIC1_PCIDMA3, PCIC0_PCISERR } },
571};
572
573
574
575static struct intc_vect vectors_irlm[] = {
576 INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0),
577 INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360),
578};
579
580
581
582static struct intc_vect vectors_pci[] = {
583 INTC_VECT(PCIC0_PCISERR, 0xa00), INTC_VECT(PCIC1_PCIERR, 0xae0),
584 INTC_VECT(PCIC1_PCIPWDWN, 0xac0), INTC_VECT(PCIC1_PCIPWON, 0xaa0),
585 INTC_VECT(PCIC1_PCIDMA0, 0xa80), INTC_VECT(PCIC1_PCIDMA1, 0xa60),
586 INTC_VECT(PCIC1_PCIDMA2, 0xa40), INTC_VECT(PCIC1_PCIDMA3, 0xa20),
587};
588
589static struct intc_group groups_pci[] = {
590 INTC_GROUP(PCIC1, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
591 PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3),
592};
593
594static struct intc_vect vectors_irl[] = {
595 INTC_VECT(IRL_0, 0x200),
596 INTC_VECT(IRL_1, 0x220),
597 INTC_VECT(IRL_2, 0x240),
598 INTC_VECT(IRL_3, 0x260),
599 INTC_VECT(IRL_4, 0x280),
600 INTC_VECT(IRL_5, 0x2a0),
601 INTC_VECT(IRL_6, 0x2c0),
602 INTC_VECT(IRL_7, 0x2e0),
603 INTC_VECT(IRL_8, 0x300),
604 INTC_VECT(IRL_9, 0x320),
605 INTC_VECT(IRL_A, 0x340),
606 INTC_VECT(IRL_B, 0x360),
607 INTC_VECT(IRL_C, 0x380),
608 INTC_VECT(IRL_D, 0x3a0),
609 INTC_VECT(IRL_E, 0x3c0),
610};
611
612static struct intc_group groups_irl[] = {
613 INTC_GROUP(IRL, IRL_0, IRL_1, IRL_2, IRL_3, IRL_4, IRL_5, IRL_6,
614 IRL_7, IRL_8, IRL_9, IRL_A, IRL_B, IRL_C, IRL_D, IRL_E),
615};
616
617
618
619
620
621#define MM_REGION_MASK 0x07000000
622#define MM_ICACHE_ADDR (0)
623#define MM_ICACHE_DATA (1)
624#define MM_ITLB_ADDR (2)
625#define MM_ITLB_DATA (3)
626#define MM_OCACHE_ADDR (4)
627#define MM_OCACHE_DATA (5)
628#define MM_UTLB_ADDR (6)
629#define MM_UTLB_DATA (7)
630#define MM_REGION_TYPE(addr) ((addr & MM_REGION_MASK) >> 24)
631
632static uint64_t invalid_read(void *opaque, hwaddr addr)
633{
634 abort();
635
636 return 0;
637}
638
639static uint64_t sh7750_mmct_read(void *opaque, hwaddr addr,
640 unsigned size)
641{
642 SH7750State *s = opaque;
643 uint32_t ret = 0;
644
645 if (size != 4) {
646 return invalid_read(opaque, addr);
647 }
648
649 switch (MM_REGION_TYPE(addr)) {
650 case MM_ICACHE_ADDR:
651 case MM_ICACHE_DATA:
652
653 break;
654 case MM_ITLB_ADDR:
655 ret = cpu_sh4_read_mmaped_itlb_addr(&s->cpu->env, addr);
656 break;
657 case MM_ITLB_DATA:
658 ret = cpu_sh4_read_mmaped_itlb_data(&s->cpu->env, addr);
659 break;
660 case MM_OCACHE_ADDR:
661 case MM_OCACHE_DATA:
662
663 break;
664 case MM_UTLB_ADDR:
665 ret = cpu_sh4_read_mmaped_utlb_addr(&s->cpu->env, addr);
666 break;
667 case MM_UTLB_DATA:
668 ret = cpu_sh4_read_mmaped_utlb_data(&s->cpu->env, addr);
669 break;
670 default:
671 abort();
672 }
673
674 return ret;
675}
676
677static void invalid_write(void *opaque, hwaddr addr,
678 uint64_t mem_value)
679{
680 abort();
681}
682
683static void sh7750_mmct_write(void *opaque, hwaddr addr,
684 uint64_t mem_value, unsigned size)
685{
686 SH7750State *s = opaque;
687
688 if (size != 4) {
689 invalid_write(opaque, addr, mem_value);
690 }
691
692 switch (MM_REGION_TYPE(addr)) {
693 case MM_ICACHE_ADDR:
694 case MM_ICACHE_DATA:
695
696 break;
697 case MM_ITLB_ADDR:
698 cpu_sh4_write_mmaped_itlb_addr(&s->cpu->env, addr, mem_value);
699 break;
700 case MM_ITLB_DATA:
701 cpu_sh4_write_mmaped_itlb_data(&s->cpu->env, addr, mem_value);
702 abort();
703 break;
704 case MM_OCACHE_ADDR:
705 case MM_OCACHE_DATA:
706
707 break;
708 case MM_UTLB_ADDR:
709 cpu_sh4_write_mmaped_utlb_addr(&s->cpu->env, addr, mem_value);
710 break;
711 case MM_UTLB_DATA:
712 cpu_sh4_write_mmaped_utlb_data(&s->cpu->env, addr, mem_value);
713 break;
714 default:
715 abort();
716 break;
717 }
718}
719
720static const MemoryRegionOps sh7750_mmct_ops = {
721 .read = sh7750_mmct_read,
722 .write = sh7750_mmct_write,
723 .endianness = DEVICE_NATIVE_ENDIAN,
724};
725
726SH7750State *sh7750_init(SuperHCPU *cpu, MemoryRegion *sysmem)
727{
728 SH7750State *s;
729
730 s = g_malloc0(sizeof(SH7750State));
731 s->cpu = cpu;
732 s->periph_freq = 60000000;
733 memory_region_init_io(&s->iomem, NULL, &sh7750_mem_ops, s,
734 "memory", 0x1fc01000);
735
736 memory_region_init_alias(&s->iomem_1f0, NULL, "memory-1f0",
737 &s->iomem, 0x1f000000, 0x1000);
738 memory_region_add_subregion(sysmem, 0x1f000000, &s->iomem_1f0);
739
740 memory_region_init_alias(&s->iomem_ff0, NULL, "memory-ff0",
741 &s->iomem, 0x1f000000, 0x1000);
742 memory_region_add_subregion(sysmem, 0xff000000, &s->iomem_ff0);
743
744 memory_region_init_alias(&s->iomem_1f8, NULL, "memory-1f8",
745 &s->iomem, 0x1f800000, 0x1000);
746 memory_region_add_subregion(sysmem, 0x1f800000, &s->iomem_1f8);
747
748 memory_region_init_alias(&s->iomem_ff8, NULL, "memory-ff8",
749 &s->iomem, 0x1f800000, 0x1000);
750 memory_region_add_subregion(sysmem, 0xff800000, &s->iomem_ff8);
751
752 memory_region_init_alias(&s->iomem_1fc, NULL, "memory-1fc",
753 &s->iomem, 0x1fc00000, 0x1000);
754 memory_region_add_subregion(sysmem, 0x1fc00000, &s->iomem_1fc);
755
756 memory_region_init_alias(&s->iomem_ffc, NULL, "memory-ffc",
757 &s->iomem, 0x1fc00000, 0x1000);
758 memory_region_add_subregion(sysmem, 0xffc00000, &s->iomem_ffc);
759
760 memory_region_init_io(&s->mmct_iomem, NULL, &sh7750_mmct_ops, s,
761 "cache-and-tlb", 0x08000000);
762 memory_region_add_subregion(sysmem, 0xf0000000, &s->mmct_iomem);
763
764 sh_intc_init(sysmem, &s->intc, NR_SOURCES,
765 _INTC_ARRAY(mask_registers),
766 _INTC_ARRAY(prio_registers));
767
768 sh_intc_register_sources(&s->intc,
769 _INTC_ARRAY(vectors),
770 _INTC_ARRAY(groups));
771
772 cpu->env.intc_handle = &s->intc;
773
774 sh_serial_init(sysmem, 0x1fe00000,
775 0, s->periph_freq, serial_hds[0],
776 s->intc.irqs[SCI1_ERI],
777 s->intc.irqs[SCI1_RXI],
778 s->intc.irqs[SCI1_TXI],
779 s->intc.irqs[SCI1_TEI],
780 NULL);
781 sh_serial_init(sysmem, 0x1fe80000,
782 SH_SERIAL_FEAT_SCIF,
783 s->periph_freq, serial_hds[1],
784 s->intc.irqs[SCIF_ERI],
785 s->intc.irqs[SCIF_RXI],
786 s->intc.irqs[SCIF_TXI],
787 NULL,
788 s->intc.irqs[SCIF_BRI]);
789
790 tmu012_init(sysmem, 0x1fd80000,
791 TMU012_FEAT_TOCR | TMU012_FEAT_3CHAN | TMU012_FEAT_EXTCLK,
792 s->periph_freq,
793 s->intc.irqs[TMU0],
794 s->intc.irqs[TMU1],
795 s->intc.irqs[TMU2_TUNI],
796 s->intc.irqs[TMU2_TICPI]);
797
798 if (cpu->env.id & (SH_CPU_SH7750 | SH_CPU_SH7750S | SH_CPU_SH7751)) {
799 sh_intc_register_sources(&s->intc,
800 _INTC_ARRAY(vectors_dma4),
801 _INTC_ARRAY(groups_dma4));
802 }
803
804 if (cpu->env.id & (SH_CPU_SH7750R | SH_CPU_SH7751R)) {
805 sh_intc_register_sources(&s->intc,
806 _INTC_ARRAY(vectors_dma8),
807 _INTC_ARRAY(groups_dma8));
808 }
809
810 if (cpu->env.id & (SH_CPU_SH7750R | SH_CPU_SH7751 | SH_CPU_SH7751R)) {
811 sh_intc_register_sources(&s->intc,
812 _INTC_ARRAY(vectors_tmu34),
813 NULL, 0);
814 tmu012_init(sysmem, 0x1e100000, 0, s->periph_freq,
815 s->intc.irqs[TMU3],
816 s->intc.irqs[TMU4],
817 NULL, NULL);
818 }
819
820 if (cpu->env.id & (SH_CPU_SH7751_ALL)) {
821 sh_intc_register_sources(&s->intc,
822 _INTC_ARRAY(vectors_pci),
823 _INTC_ARRAY(groups_pci));
824 }
825
826 if (cpu->env.id & (SH_CPU_SH7750S | SH_CPU_SH7750R | SH_CPU_SH7751_ALL)) {
827 sh_intc_register_sources(&s->intc,
828 _INTC_ARRAY(vectors_irlm),
829 NULL, 0);
830 }
831
832 sh_intc_register_sources(&s->intc,
833 _INTC_ARRAY(vectors_irl),
834 _INTC_ARRAY(groups_irl));
835 return s;
836}
837
838qemu_irq sh7750_irl(SH7750State *s)
839{
840 sh_intc_toggle_source(sh_intc_source(&s->intc, IRL), 1, 0);
841 return qemu_allocate_irqs(sh_intc_set_irl, sh_intc_source(&s->intc, IRL),
842 1)[0];
843}
844
