2 * Intel XScale PXA255/270 processor support.
4 * Copyright (c) 2006 Openedhand Ltd.
5 * Written by Andrzej Zaborowski <balrog@zabor.org>
7 * This code is licenced under the GPL.
13 target_phys_addr_t io_base;
16 { 0x40100000, PXA2XX_PIC_FFUART },
17 { 0x40200000, PXA2XX_PIC_BTUART },
18 { 0x40700000, PXA2XX_PIC_STUART },
19 { 0x41600000, PXA25X_PIC_HWUART },
21 }, pxa270_serial[] = {
22 { 0x40100000, PXA2XX_PIC_FFUART },
23 { 0x40200000, PXA2XX_PIC_BTUART },
24 { 0x40700000, PXA2XX_PIC_STUART },
29 target_phys_addr_t io_base;
32 { 0x41000000, PXA2XX_PIC_SSP },
35 { 0x41000000, PXA2XX_PIC_SSP },
36 { 0x41400000, PXA25X_PIC_NSSP },
39 { 0x41000000, PXA2XX_PIC_SSP },
40 { 0x41400000, PXA25X_PIC_NSSP },
41 { 0x41500000, PXA26X_PIC_ASSP },
44 { 0x41000000, PXA2XX_PIC_SSP },
45 { 0x41700000, PXA27X_PIC_SSP2 },
46 { 0x41900000, PXA2XX_PIC_SSP3 },
50 #define PMCR 0x00 /* Power Manager Control register */
51 #define PSSR 0x04 /* Power Manager Sleep Status register */
52 #define PSPR 0x08 /* Power Manager Scratch-Pad register */
53 #define PWER 0x0c /* Power Manager Wake-Up Enable register */
54 #define PRER 0x10 /* Power Manager Rising-Edge Detect Enable register */
55 #define PFER 0x14 /* Power Manager Falling-Edge Detect Enable register */
56 #define PEDR 0x18 /* Power Manager Edge-Detect Status register */
57 #define PCFR 0x1c /* Power Manager General Configuration register */
58 #define PGSR0 0x20 /* Power Manager GPIO Sleep-State register 0 */
59 #define PGSR1 0x24 /* Power Manager GPIO Sleep-State register 1 */
60 #define PGSR2 0x28 /* Power Manager GPIO Sleep-State register 2 */
61 #define PGSR3 0x2c /* Power Manager GPIO Sleep-State register 3 */
62 #define RCSR 0x30 /* Reset Controller Status register */
63 #define PSLR 0x34 /* Power Manager Sleep Configuration register */
64 #define PTSR 0x38 /* Power Manager Standby Configuration register */
65 #define PVCR 0x40 /* Power Manager Voltage Change Control register */
66 #define PUCR 0x4c /* Power Manager USIM Card Control/Status register */
67 #define PKWR 0x50 /* Power Manager Keyboard Wake-Up Enable register */
68 #define PKSR 0x54 /* Power Manager Keyboard Level-Detect Status */
69 #define PCMD0 0x80 /* Power Manager I2C Command register File 0 */
70 #define PCMD31 0xfc /* Power Manager I2C Command register File 31 */
72 static uint32_t pxa2xx_i2c_read(void *, target_phys_addr_t);
73 static void pxa2xx_i2c_write(void *, target_phys_addr_t, uint32_t);
75 static uint32_t pxa2xx_pm_read(void *opaque, target_phys_addr_t addr)
77 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
78 if (addr > s->pm_base + PCMD31) {
79 /* Special case: PWRI2C registers appear in the same range. */
80 return pxa2xx_i2c_read(s->i2c[1], addr);
89 return s->pm_regs[addr >> 2];
92 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
98 static void pxa2xx_pm_write(void *opaque, target_phys_addr_t addr,
101 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
102 if (addr > s->pm_base + PCMD31) {
103 /* Special case: PWRI2C registers appear in the same range. */
104 pxa2xx_i2c_write(s->i2c[1], addr, value);
111 s->pm_regs[addr >> 2] &= 0x15 & ~(value & 0x2a);
112 s->pm_regs[addr >> 2] |= value & 0x15;
115 case PSSR: /* Read-clean registers */
118 s->pm_regs[addr >> 2] &= ~value;
121 default: /* Read-write registers */
122 if (addr >= PMCR && addr <= PCMD31 && !(addr & 3)) {
123 s->pm_regs[addr >> 2] = value;
127 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
132 static CPUReadMemoryFunc *pxa2xx_pm_readfn[] = {
138 static CPUWriteMemoryFunc *pxa2xx_pm_writefn[] = {
144 #define CCCR 0x00 /* Core Clock Configuration register */
145 #define CKEN 0x04 /* Clock Enable register */
146 #define OSCC 0x08 /* Oscillator Configuration register */
147 #define CCSR 0x0c /* Core Clock Status register */
149 static uint32_t pxa2xx_cm_read(void *opaque, target_phys_addr_t addr)
151 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
158 return s->cm_regs[addr >> 2];
161 return s->cm_regs[CCCR >> 2] | (3 << 28);
164 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
170 static void pxa2xx_cm_write(void *opaque, target_phys_addr_t addr,
173 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
179 s->cm_regs[addr >> 2] = value;
183 s->cm_regs[addr >> 2] &= ~0x6c;
184 s->cm_regs[addr >> 2] |= value & 0x6e;
185 if ((value >> 1) & 1) /* OON */
186 s->cm_regs[addr >> 2] |= 1 << 0; /* Oscillator is now stable */
190 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
195 static CPUReadMemoryFunc *pxa2xx_cm_readfn[] = {
201 static CPUWriteMemoryFunc *pxa2xx_cm_writefn[] = {
207 static uint32_t pxa2xx_clkpwr_read(void *opaque, int op2, int reg, int crm)
209 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
212 case 6: /* Clock Configuration register */
215 case 7: /* Power Mode register */
219 printf("%s: Bad register 0x%x\n", __FUNCTION__, reg);
225 static void pxa2xx_clkpwr_write(void *opaque, int op2, int reg, int crm,
228 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
229 static const char *pwrmode[8] = {
230 "Normal", "Idle", "Deep-idle", "Standby",
231 "Sleep", "reserved (!)", "reserved (!)", "Deep-sleep",
235 case 6: /* Clock Configuration register */
236 s->clkcfg = value & 0xf;
238 printf("%s: CPU frequency change attempt\n", __FUNCTION__);
241 case 7: /* Power Mode register */
243 printf("%s: CPU voltage change attempt\n", __FUNCTION__);
251 if (!(s->cm_regs[CCCR] & (1 << 31))) { /* CPDIS */
252 cpu_interrupt(s->env, CPU_INTERRUPT_HALT);
259 cpu_interrupt(s->env, CPU_INTERRUPT_HALT);
260 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
264 s->env->uncached_cpsr =
265 ARM_CPU_MODE_SVC | CPSR_A | CPSR_F | CPSR_I;
266 s->env->cp15.c1_sys = 0;
267 s->env->cp15.c1_coproc = 0;
268 s->env->cp15.c2_base = 0;
270 s->pm_regs[PSSR >> 2] |= 0x8; /* Set STS */
271 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */
274 * The scratch-pad register is almost universally used
275 * for storing the return address on suspend. For the
276 * lack of a resuming bootloader, perform a jump
277 * directly to that address.
279 memset(s->env->regs, 0, 4 * 15);
280 s->env->regs[15] = s->pm_regs[PSPR >> 2];
283 buffer = 0xe59ff000; /* ldr pc, [pc, #0] */
284 cpu_physical_memory_write(0, &buffer, 4);
285 buffer = s->pm_regs[PSPR >> 2];
286 cpu_physical_memory_write(8, &buffer, 4);
290 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_HALT);
296 printf("%s: machine entered %s mode\n", __FUNCTION__,
302 printf("%s: Bad register 0x%x\n", __FUNCTION__, reg);
307 /* Performace Monitoring Registers */
308 #define CPPMNC 0 /* Performance Monitor Control register */
309 #define CPCCNT 1 /* Clock Counter register */
310 #define CPINTEN 4 /* Interrupt Enable register */
311 #define CPFLAG 5 /* Overflow Flag register */
312 #define CPEVTSEL 8 /* Event Selection register */
314 #define CPPMN0 0 /* Performance Count register 0 */
315 #define CPPMN1 1 /* Performance Count register 1 */
316 #define CPPMN2 2 /* Performance Count register 2 */
317 #define CPPMN3 3 /* Performance Count register 3 */
319 static uint32_t pxa2xx_perf_read(void *opaque, int op2, int reg, int crm)
321 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
328 return qemu_get_clock(vm_clock);
337 printf("%s: Bad register 0x%x\n", __FUNCTION__, reg);
343 static void pxa2xx_perf_write(void *opaque, int op2, int reg, int crm,
346 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
360 printf("%s: Bad register 0x%x\n", __FUNCTION__, reg);
365 static uint32_t pxa2xx_cp14_read(void *opaque, int op2, int reg, int crm)
369 return pxa2xx_clkpwr_read(opaque, op2, reg, crm);
371 return pxa2xx_perf_read(opaque, op2, reg, crm);
382 printf("%s: Bad register 0x%x\n", __FUNCTION__, reg);
388 static void pxa2xx_cp14_write(void *opaque, int op2, int reg, int crm,
393 pxa2xx_clkpwr_write(opaque, op2, reg, crm, value);
396 pxa2xx_perf_write(opaque, op2, reg, crm, value);
408 printf("%s: Bad register 0x%x\n", __FUNCTION__, reg);
413 #define MDCNFG 0x00 /* SDRAM Configuration register */
414 #define MDREFR 0x04 /* SDRAM Refresh Control register */
415 #define MSC0 0x08 /* Static Memory Control register 0 */
416 #define MSC1 0x0c /* Static Memory Control register 1 */
417 #define MSC2 0x10 /* Static Memory Control register 2 */
418 #define MECR 0x14 /* Expansion Memory Bus Config register */
419 #define SXCNFG 0x1c /* Synchronous Static Memory Config register */
420 #define MCMEM0 0x28 /* PC Card Memory Socket 0 Timing register */
421 #define MCMEM1 0x2c /* PC Card Memory Socket 1 Timing register */
422 #define MCATT0 0x30 /* PC Card Attribute Socket 0 register */
423 #define MCATT1 0x34 /* PC Card Attribute Socket 1 register */
424 #define MCIO0 0x38 /* PC Card I/O Socket 0 Timing register */
425 #define MCIO1 0x3c /* PC Card I/O Socket 1 Timing register */
426 #define MDMRS 0x40 /* SDRAM Mode Register Set Config register */
427 #define BOOT_DEF 0x44 /* Boot-time Default Configuration register */
428 #define ARB_CNTL 0x48 /* Arbiter Control register */
429 #define BSCNTR0 0x4c /* Memory Buffer Strength Control register 0 */
430 #define BSCNTR1 0x50 /* Memory Buffer Strength Control register 1 */
431 #define LCDBSCNTR 0x54 /* LCD Buffer Strength Control register */
432 #define MDMRSLP 0x58 /* Low Power SDRAM Mode Set Config register */
433 #define BSCNTR2 0x5c /* Memory Buffer Strength Control register 2 */
434 #define BSCNTR3 0x60 /* Memory Buffer Strength Control register 3 */
435 #define SA1110 0x64 /* SA-1110 Memory Compatibility register */
437 static uint32_t pxa2xx_mm_read(void *opaque, target_phys_addr_t addr)
439 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
443 case MDCNFG ... SA1110:
445 return s->mm_regs[addr >> 2];
448 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
454 static void pxa2xx_mm_write(void *opaque, target_phys_addr_t addr,
457 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
461 case MDCNFG ... SA1110:
462 if ((addr & 3) == 0) {
463 s->mm_regs[addr >> 2] = value;
468 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
473 static CPUReadMemoryFunc *pxa2xx_mm_readfn[] = {
479 static CPUWriteMemoryFunc *pxa2xx_mm_writefn[] = {
485 /* Synchronous Serial Ports */
486 struct pxa2xx_ssp_s {
487 target_phys_addr_t base;
500 uint32_t rx_fifo[16];
504 uint32_t (*readfn)(void *opaque);
505 void (*writefn)(void *opaque, uint32_t value);
509 #define SSCR0 0x00 /* SSP Control register 0 */
510 #define SSCR1 0x04 /* SSP Control register 1 */
511 #define SSSR 0x08 /* SSP Status register */
512 #define SSITR 0x0c /* SSP Interrupt Test register */
513 #define SSDR 0x10 /* SSP Data register */
514 #define SSTO 0x28 /* SSP Time-Out register */
515 #define SSPSP 0x2c /* SSP Programmable Serial Protocol register */
516 #define SSTSA 0x30 /* SSP TX Time Slot Active register */
517 #define SSRSA 0x34 /* SSP RX Time Slot Active register */
518 #define SSTSS 0x38 /* SSP Time Slot Status register */
519 #define SSACD 0x3c /* SSP Audio Clock Divider register */
521 /* Bitfields for above registers */
522 #define SSCR0_SPI(x) (((x) & 0x30) == 0x00)
523 #define SSCR0_SSP(x) (((x) & 0x30) == 0x10)
524 #define SSCR0_UWIRE(x) (((x) & 0x30) == 0x20)
525 #define SSCR0_PSP(x) (((x) & 0x30) == 0x30)
526 #define SSCR0_SSE (1 << 7)
527 #define SSCR0_RIM (1 << 22)
528 #define SSCR0_TIM (1 << 23)
529 #define SSCR0_MOD (1 << 31)
530 #define SSCR0_DSS(x) (((((x) >> 16) & 0x10) | ((x) & 0xf)) + 1)
531 #define SSCR1_RIE (1 << 0)
532 #define SSCR1_TIE (1 << 1)
533 #define SSCR1_LBM (1 << 2)
534 #define SSCR1_MWDS (1 << 5)
535 #define SSCR1_TFT(x) ((((x) >> 6) & 0xf) + 1)
536 #define SSCR1_RFT(x) ((((x) >> 10) & 0xf) + 1)
537 #define SSCR1_EFWR (1 << 14)
538 #define SSCR1_PINTE (1 << 18)
539 #define SSCR1_TINTE (1 << 19)
540 #define SSCR1_RSRE (1 << 20)
541 #define SSCR1_TSRE (1 << 21)
542 #define SSCR1_EBCEI (1 << 29)
543 #define SSITR_INT (7 << 5)
544 #define SSSR_TNF (1 << 2)
545 #define SSSR_RNE (1 << 3)
546 #define SSSR_TFS (1 << 5)
547 #define SSSR_RFS (1 << 6)
548 #define SSSR_ROR (1 << 7)
549 #define SSSR_PINT (1 << 18)
550 #define SSSR_TINT (1 << 19)
551 #define SSSR_EOC (1 << 20)
552 #define SSSR_TUR (1 << 21)
553 #define SSSR_BCE (1 << 23)
554 #define SSSR_RW 0x00bc0080
556 static void pxa2xx_ssp_int_update(struct pxa2xx_ssp_s *s)
560 level |= s->ssitr & SSITR_INT;
561 level |= (s->sssr & SSSR_BCE) && (s->sscr[1] & SSCR1_EBCEI);
562 level |= (s->sssr & SSSR_TUR) && !(s->sscr[0] & SSCR0_TIM);
563 level |= (s->sssr & SSSR_EOC) && (s->sssr & (SSSR_TINT | SSSR_PINT));
564 level |= (s->sssr & SSSR_TINT) && (s->sscr[1] & SSCR1_TINTE);
565 level |= (s->sssr & SSSR_PINT) && (s->sscr[1] & SSCR1_PINTE);
566 level |= (s->sssr & SSSR_ROR) && !(s->sscr[0] & SSCR0_RIM);
567 level |= (s->sssr & SSSR_RFS) && (s->sscr[1] & SSCR1_RIE);
568 level |= (s->sssr & SSSR_TFS) && (s->sscr[1] & SSCR1_TIE);
569 qemu_set_irq(s->irq, !!level);
572 static void pxa2xx_ssp_fifo_update(struct pxa2xx_ssp_s *s)
574 s->sssr &= ~(0xf << 12); /* Clear RFL */
575 s->sssr &= ~(0xf << 8); /* Clear TFL */
576 s->sssr &= ~SSSR_TNF;
578 s->sssr |= ((s->rx_level - 1) & 0xf) << 12;
579 if (s->rx_level >= SSCR1_RFT(s->sscr[1]))
582 s->sssr &= ~SSSR_RFS;
583 if (0 <= SSCR1_TFT(s->sscr[1]))
586 s->sssr &= ~SSSR_TFS;
590 s->sssr &= ~SSSR_RNE;
594 pxa2xx_ssp_int_update(s);
597 static uint32_t pxa2xx_ssp_read(void *opaque, target_phys_addr_t addr)
599 struct pxa2xx_ssp_s *s = (struct pxa2xx_ssp_s *) opaque;
615 return s->sssr | s->ssitr;
619 if (s->rx_level < 1) {
620 printf("%s: SSP Rx Underrun\n", __FUNCTION__);
624 retval = s->rx_fifo[s->rx_start ++];
626 pxa2xx_ssp_fifo_update(s);
637 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
643 static void pxa2xx_ssp_write(void *opaque, target_phys_addr_t addr,
646 struct pxa2xx_ssp_s *s = (struct pxa2xx_ssp_s *) opaque;
651 s->sscr[0] = value & 0xc7ffffff;
652 s->enable = value & SSCR0_SSE;
653 if (value & SSCR0_MOD)
654 printf("%s: Attempt to use network mode\n", __FUNCTION__);
655 if (s->enable && SSCR0_DSS(value) < 4)
656 printf("%s: Wrong data size: %i bits\n", __FUNCTION__,
658 if (!(value & SSCR0_SSE)) {
663 pxa2xx_ssp_fifo_update(s);
668 if (value & (SSCR1_LBM | SSCR1_EFWR))
669 printf("%s: Attempt to use SSP test mode\n", __FUNCTION__);
670 pxa2xx_ssp_fifo_update(s);
682 s->ssitr = value & SSITR_INT;
683 pxa2xx_ssp_int_update(s);
687 s->sssr &= ~(value & SSSR_RW);
688 pxa2xx_ssp_int_update(s);
692 if (SSCR0_UWIRE(s->sscr[0])) {
693 if (s->sscr[1] & SSCR1_MWDS)
698 /* Note how 32bits overflow does no harm here */
699 value &= (1 << SSCR0_DSS(s->sscr[0])) - 1;
701 /* Data goes from here to the Tx FIFO and is shifted out from
702 * there directly to the slave, no need to buffer it.
706 s->writefn(s->opaque, value);
708 if (s->rx_level < 0x10) {
710 s->rx_fifo[(s->rx_start + s->rx_level ++) & 0xf] =
711 s->readfn(s->opaque);
713 s->rx_fifo[(s->rx_start + s->rx_level ++) & 0xf] = 0x0;
717 pxa2xx_ssp_fifo_update(s);
733 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
738 void pxa2xx_ssp_attach(struct pxa2xx_ssp_s *port,
739 uint32_t (*readfn)(void *opaque),
740 void (*writefn)(void *opaque, uint32_t value), void *opaque)
743 printf("%s: no such SSP\n", __FUNCTION__);
747 port->opaque = opaque;
748 port->readfn = readfn;
749 port->writefn = writefn;
752 static CPUReadMemoryFunc *pxa2xx_ssp_readfn[] = {
758 static CPUWriteMemoryFunc *pxa2xx_ssp_writefn[] = {
764 /* Real-Time Clock */
765 #define RCNR 0x00 /* RTC Counter register */
766 #define RTAR 0x04 /* RTC Alarm register */
767 #define RTSR 0x08 /* RTC Status register */
768 #define RTTR 0x0c /* RTC Timer Trim register */
769 #define RDCR 0x10 /* RTC Day Counter register */
770 #define RYCR 0x14 /* RTC Year Counter register */
771 #define RDAR1 0x18 /* RTC Wristwatch Day Alarm register 1 */
772 #define RYAR1 0x1c /* RTC Wristwatch Year Alarm register 1 */
773 #define RDAR2 0x20 /* RTC Wristwatch Day Alarm register 2 */
774 #define RYAR2 0x24 /* RTC Wristwatch Year Alarm register 2 */
775 #define SWCR 0x28 /* RTC Stopwatch Counter register */
776 #define SWAR1 0x2c /* RTC Stopwatch Alarm register 1 */
777 #define SWAR2 0x30 /* RTC Stopwatch Alarm register 2 */
778 #define RTCPICR 0x34 /* RTC Periodic Interrupt Counter register */
779 #define PIAR 0x38 /* RTC Periodic Interrupt Alarm register */
781 static inline void pxa2xx_rtc_int_update(struct pxa2xx_state_s *s)
783 qemu_set_irq(s->pic[PXA2XX_PIC_RTCALARM], !!(s->rtsr & 0x2553));
786 static void pxa2xx_rtc_hzupdate(struct pxa2xx_state_s *s)
788 int64_t rt = qemu_get_clock(rt_clock);
789 s->last_rcnr += ((rt - s->last_hz) << 15) /
790 (1000 * ((s->rttr & 0xffff) + 1));
791 s->last_rdcr += ((rt - s->last_hz) << 15) /
792 (1000 * ((s->rttr & 0xffff) + 1));
796 static void pxa2xx_rtc_swupdate(struct pxa2xx_state_s *s)
798 int64_t rt = qemu_get_clock(rt_clock);
799 if (s->rtsr & (1 << 12))
800 s->last_swcr += (rt - s->last_sw) / 10;
804 static void pxa2xx_rtc_piupdate(struct pxa2xx_state_s *s)
806 int64_t rt = qemu_get_clock(rt_clock);
807 if (s->rtsr & (1 << 15))
808 s->last_swcr += rt - s->last_pi;
812 static inline void pxa2xx_rtc_alarm_update(struct pxa2xx_state_s *s,
815 if ((rtsr & (1 << 2)) && !(rtsr & (1 << 0)))
816 qemu_mod_timer(s->rtc_hz, s->last_hz +
817 (((s->rtar - s->last_rcnr) * 1000 *
818 ((s->rttr & 0xffff) + 1)) >> 15));
820 qemu_del_timer(s->rtc_hz);
822 if ((rtsr & (1 << 5)) && !(rtsr & (1 << 4)))
823 qemu_mod_timer(s->rtc_rdal1, s->last_hz +
824 (((s->rdar1 - s->last_rdcr) * 1000 *
825 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
827 qemu_del_timer(s->rtc_rdal1);
829 if ((rtsr & (1 << 7)) && !(rtsr & (1 << 6)))
830 qemu_mod_timer(s->rtc_rdal2, s->last_hz +
831 (((s->rdar2 - s->last_rdcr) * 1000 *
832 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */
834 qemu_del_timer(s->rtc_rdal2);
836 if ((rtsr & 0x1200) == 0x1200 && !(rtsr & (1 << 8)))
837 qemu_mod_timer(s->rtc_swal1, s->last_sw +
838 (s->swar1 - s->last_swcr) * 10); /* TODO: fixup */
840 qemu_del_timer(s->rtc_swal1);
842 if ((rtsr & 0x1800) == 0x1800 && !(rtsr & (1 << 10)))
843 qemu_mod_timer(s->rtc_swal2, s->last_sw +
844 (s->swar2 - s->last_swcr) * 10); /* TODO: fixup */
846 qemu_del_timer(s->rtc_swal2);
848 if ((rtsr & 0xc000) == 0xc000 && !(rtsr & (1 << 13)))
849 qemu_mod_timer(s->rtc_pi, s->last_pi +
850 (s->piar & 0xffff) - s->last_rtcpicr);
852 qemu_del_timer(s->rtc_pi);
855 static inline void pxa2xx_rtc_hz_tick(void *opaque)
857 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
859 pxa2xx_rtc_alarm_update(s, s->rtsr);
860 pxa2xx_rtc_int_update(s);
863 static inline void pxa2xx_rtc_rdal1_tick(void *opaque)
865 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
867 pxa2xx_rtc_alarm_update(s, s->rtsr);
868 pxa2xx_rtc_int_update(s);
871 static inline void pxa2xx_rtc_rdal2_tick(void *opaque)
873 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
875 pxa2xx_rtc_alarm_update(s, s->rtsr);
876 pxa2xx_rtc_int_update(s);
879 static inline void pxa2xx_rtc_swal1_tick(void *opaque)
881 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
883 pxa2xx_rtc_alarm_update(s, s->rtsr);
884 pxa2xx_rtc_int_update(s);
887 static inline void pxa2xx_rtc_swal2_tick(void *opaque)
889 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
890 s->rtsr |= (1 << 10);
891 pxa2xx_rtc_alarm_update(s, s->rtsr);
892 pxa2xx_rtc_int_update(s);
895 static inline void pxa2xx_rtc_pi_tick(void *opaque)
897 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
898 s->rtsr |= (1 << 13);
899 pxa2xx_rtc_piupdate(s);
901 pxa2xx_rtc_alarm_update(s, s->rtsr);
902 pxa2xx_rtc_int_update(s);
905 static uint32_t pxa2xx_rtc_read(void *opaque, target_phys_addr_t addr)
907 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
932 return s->last_rcnr + ((qemu_get_clock(rt_clock) - s->last_hz) << 15) /
933 (1000 * ((s->rttr & 0xffff) + 1));
935 return s->last_rdcr + ((qemu_get_clock(rt_clock) - s->last_hz) << 15) /
936 (1000 * ((s->rttr & 0xffff) + 1));
940 if (s->rtsr & (1 << 12))
941 return s->last_swcr + (qemu_get_clock(rt_clock) - s->last_sw) / 10;
945 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
951 static void pxa2xx_rtc_write(void *opaque, target_phys_addr_t addr,
954 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
959 if (!(s->rttr & (1 << 31))) {
960 pxa2xx_rtc_hzupdate(s);
962 pxa2xx_rtc_alarm_update(s, s->rtsr);
967 if ((s->rtsr ^ value) & (1 << 15))
968 pxa2xx_rtc_piupdate(s);
970 if ((s->rtsr ^ value) & (1 << 12))
971 pxa2xx_rtc_swupdate(s);
973 if (((s->rtsr ^ value) & 0x4aac) | (value & ~0xdaac))
974 pxa2xx_rtc_alarm_update(s, value);
976 s->rtsr = (value & 0xdaac) | (s->rtsr & ~(value & ~0xdaac));
977 pxa2xx_rtc_int_update(s);
982 pxa2xx_rtc_alarm_update(s, s->rtsr);
987 pxa2xx_rtc_alarm_update(s, s->rtsr);
992 pxa2xx_rtc_alarm_update(s, s->rtsr);
997 pxa2xx_rtc_alarm_update(s, s->rtsr);
1002 pxa2xx_rtc_alarm_update(s, s->rtsr);
1006 pxa2xx_rtc_swupdate(s);
1009 pxa2xx_rtc_alarm_update(s, s->rtsr);
1014 pxa2xx_rtc_alarm_update(s, s->rtsr);
1019 pxa2xx_rtc_alarm_update(s, s->rtsr);
1023 pxa2xx_rtc_hzupdate(s);
1024 s->last_rcnr = value;
1025 pxa2xx_rtc_alarm_update(s, s->rtsr);
1029 pxa2xx_rtc_hzupdate(s);
1030 s->last_rdcr = value;
1031 pxa2xx_rtc_alarm_update(s, s->rtsr);
1035 s->last_rycr = value;
1039 pxa2xx_rtc_swupdate(s);
1040 s->last_swcr = value;
1041 pxa2xx_rtc_alarm_update(s, s->rtsr);
1045 pxa2xx_rtc_piupdate(s);
1046 s->last_rtcpicr = value & 0xffff;
1047 pxa2xx_rtc_alarm_update(s, s->rtsr);
1051 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1055 static void pxa2xx_rtc_reset(struct pxa2xx_state_s *s)
1068 tm = localtime(&ti);
1069 wom = ((tm->tm_mday - 1) / 7) + 1;
1071 s->last_rcnr = (uint32_t) ti;
1072 s->last_rdcr = (wom << 20) | ((tm->tm_wday + 1) << 17) |
1073 (tm->tm_hour << 12) | (tm->tm_min << 6) | tm->tm_sec;
1074 s->last_rycr = ((tm->tm_year + 1900) << 9) |
1075 ((tm->tm_mon + 1) << 5) | tm->tm_mday;
1076 s->last_swcr = (tm->tm_hour << 19) |
1077 (tm->tm_min << 13) | (tm->tm_sec << 7);
1078 s->last_rtcpicr = 0;
1079 s->last_hz = s->last_sw = s->last_pi = qemu_get_clock(rt_clock);
1081 s->rtc_hz = qemu_new_timer(rt_clock, pxa2xx_rtc_hz_tick, s);
1082 s->rtc_rdal1 = qemu_new_timer(rt_clock, pxa2xx_rtc_rdal1_tick, s);
1083 s->rtc_rdal2 = qemu_new_timer(rt_clock, pxa2xx_rtc_rdal2_tick, s);
1084 s->rtc_swal1 = qemu_new_timer(rt_clock, pxa2xx_rtc_swal1_tick, s);
1085 s->rtc_swal2 = qemu_new_timer(rt_clock, pxa2xx_rtc_swal2_tick, s);
1086 s->rtc_pi = qemu_new_timer(rt_clock, pxa2xx_rtc_pi_tick, s);
1089 static CPUReadMemoryFunc *pxa2xx_rtc_readfn[] = {
1095 static CPUWriteMemoryFunc *pxa2xx_rtc_writefn[] = {
1102 struct pxa2xx_i2c_s {
1105 target_phys_addr_t base;
1114 #define IBMR 0x80 /* I2C Bus Monitor register */
1115 #define IDBR 0x88 /* I2C Data Buffer register */
1116 #define ICR 0x90 /* I2C Control register */
1117 #define ISR 0x98 /* I2C Status register */
1118 #define ISAR 0xa0 /* I2C Slave Address register */
1120 static void pxa2xx_i2c_update(struct pxa2xx_i2c_s *s)
1123 level |= s->status & s->control & (1 << 10); /* BED */
1124 level |= (s->status & (1 << 7)) && (s->control & (1 << 9)); /* IRF */
1125 level |= (s->status & (1 << 6)) && (s->control & (1 << 8)); /* ITE */
1126 level |= s->status & (1 << 9); /* SAD */
1127 qemu_set_irq(s->irq, !!level);
1130 /* These are only stubs now. */
1131 static void pxa2xx_i2c_event(i2c_slave *i2c, enum i2c_event event)
1133 struct pxa2xx_i2c_s *s = (struct pxa2xx_i2c_s *) i2c;
1136 case I2C_START_SEND:
1137 s->status |= (1 << 9); /* set SAD */
1138 s->status &= ~(1 << 0); /* clear RWM */
1140 case I2C_START_RECV:
1141 s->status |= (1 << 9); /* set SAD */
1142 s->status |= 1 << 0; /* set RWM */
1145 s->status |= (1 << 4); /* set SSD */
1148 s->status |= 1 << 1; /* set ACKNAK */
1151 pxa2xx_i2c_update(s);
1154 static int pxa2xx_i2c_rx(i2c_slave *i2c)
1156 struct pxa2xx_i2c_s *s = (struct pxa2xx_i2c_s *) i2c;
1157 if ((s->control & (1 << 14)) || !(s->control & (1 << 6)))
1160 if (s->status & (1 << 0)) { /* RWM */
1161 s->status |= 1 << 6; /* set ITE */
1163 pxa2xx_i2c_update(s);
1168 static int pxa2xx_i2c_tx(i2c_slave *i2c, uint8_t data)
1170 struct pxa2xx_i2c_s *s = (struct pxa2xx_i2c_s *) i2c;
1171 if ((s->control & (1 << 14)) || !(s->control & (1 << 6)))
1174 if (!(s->status & (1 << 0))) { /* RWM */
1175 s->status |= 1 << 7; /* set IRF */
1178 pxa2xx_i2c_update(s);
1183 static uint32_t pxa2xx_i2c_read(void *opaque, target_phys_addr_t addr)
1185 struct pxa2xx_i2c_s *s = (struct pxa2xx_i2c_s *) opaque;
1192 return s->status | (i2c_bus_busy(s->bus) << 2);
1194 return s->slave.address;
1198 if (s->status & (1 << 2))
1199 s->ibmr ^= 3; /* Fake SCL and SDA pin changes */
1204 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1210 static void pxa2xx_i2c_write(void *opaque, target_phys_addr_t addr,
1213 struct pxa2xx_i2c_s *s = (struct pxa2xx_i2c_s *) opaque;
1219 s->control = value & 0xfff7;
1220 if ((value & (1 << 3)) && (value & (1 << 6))) { /* TB and IUE */
1221 /* TODO: slave mode */
1222 if (value & (1 << 0)) { /* START condition */
1224 s->status |= 1 << 0; /* set RWM */
1226 s->status &= ~(1 << 0); /* clear RWM */
1227 ack = !i2c_start_transfer(s->bus, s->data >> 1, s->data & 1);
1229 if (s->status & (1 << 0)) { /* RWM */
1230 s->data = i2c_recv(s->bus);
1231 if (value & (1 << 2)) /* ACKNAK */
1235 ack = !i2c_send(s->bus, s->data);
1238 if (value & (1 << 1)) /* STOP condition */
1239 i2c_end_transfer(s->bus);
1242 if (value & (1 << 0)) /* START condition */
1243 s->status |= 1 << 6; /* set ITE */
1245 if (s->status & (1 << 0)) /* RWM */
1246 s->status |= 1 << 7; /* set IRF */
1248 s->status |= 1 << 6; /* set ITE */
1249 s->status &= ~(1 << 1); /* clear ACKNAK */
1251 s->status |= 1 << 6; /* set ITE */
1252 s->status |= 1 << 10; /* set BED */
1253 s->status |= 1 << 1; /* set ACKNAK */
1256 if (!(value & (1 << 3)) && (value & (1 << 6))) /* !TB and IUE */
1257 if (value & (1 << 4)) /* MA */
1258 i2c_end_transfer(s->bus);
1259 pxa2xx_i2c_update(s);
1263 s->status &= ~(value & 0x07f0);
1264 pxa2xx_i2c_update(s);
1268 i2c_set_slave_address(&s->slave, value & 0x7f);
1272 s->data = value & 0xff;
1276 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1280 static CPUReadMemoryFunc *pxa2xx_i2c_readfn[] = {
1286 static CPUWriteMemoryFunc *pxa2xx_i2c_writefn[] = {
1292 struct pxa2xx_i2c_s *pxa2xx_i2c_init(target_phys_addr_t base,
1293 qemu_irq irq, int ioregister)
1296 struct pxa2xx_i2c_s *s = (struct pxa2xx_i2c_s *)
1297 i2c_slave_init(i2c_init_bus(), 0, sizeof(struct pxa2xx_i2c_s));
1301 s->slave.event = pxa2xx_i2c_event;
1302 s->slave.recv = pxa2xx_i2c_rx;
1303 s->slave.send = pxa2xx_i2c_tx;
1304 s->bus = i2c_init_bus();
1307 iomemtype = cpu_register_io_memory(0, pxa2xx_i2c_readfn,
1308 pxa2xx_i2c_writefn, s);
1309 cpu_register_physical_memory(s->base & 0xfffff000, 0xfff, iomemtype);
1315 i2c_bus *pxa2xx_i2c_bus(struct pxa2xx_i2c_s *s)
1320 /* PXA Inter-IC Sound Controller */
1321 static void pxa2xx_i2s_reset(struct pxa2xx_i2s_s *i2s)
1327 i2s->control[0] = 0x00;
1328 i2s->control[1] = 0x00;
1333 #define SACR_TFTH(val) ((val >> 8) & 0xf)
1334 #define SACR_RFTH(val) ((val >> 12) & 0xf)
1335 #define SACR_DREC(val) (val & (1 << 3))
1336 #define SACR_DPRL(val) (val & (1 << 4))
1338 static inline void pxa2xx_i2s_update(struct pxa2xx_i2s_s *i2s)
1341 rfs = SACR_RFTH(i2s->control[0]) < i2s->rx_len &&
1342 !SACR_DREC(i2s->control[1]);
1343 tfs = (i2s->tx_len || i2s->fifo_len < SACR_TFTH(i2s->control[0])) &&
1344 i2s->enable && !SACR_DPRL(i2s->control[1]);
1346 pxa2xx_dma_request(i2s->dma, PXA2XX_RX_RQ_I2S, rfs);
1347 pxa2xx_dma_request(i2s->dma, PXA2XX_TX_RQ_I2S, tfs);
1349 i2s->status &= 0xe0;
1351 i2s->status |= 1 << 1; /* RNE */
1353 i2s->status |= 1 << 2; /* BSY */
1355 i2s->status |= 1 << 3; /* TFS */
1357 i2s->status |= 1 << 4; /* RFS */
1358 if (!(i2s->tx_len && i2s->enable))
1359 i2s->status |= i2s->fifo_len << 8; /* TFL */
1360 i2s->status |= MAX(i2s->rx_len, 0xf) << 12; /* RFL */
1362 qemu_set_irq(i2s->irq, i2s->status & i2s->mask);
1365 #define SACR0 0x00 /* Serial Audio Global Control register */
1366 #define SACR1 0x04 /* Serial Audio I2S/MSB-Justified Control register */
1367 #define SASR0 0x0c /* Serial Audio Interface and FIFO Status register */
1368 #define SAIMR 0x14 /* Serial Audio Interrupt Mask register */
1369 #define SAICR 0x18 /* Serial Audio Interrupt Clear register */
1370 #define SADIV 0x60 /* Serial Audio Clock Divider register */
1371 #define SADR 0x80 /* Serial Audio Data register */
1373 static uint32_t pxa2xx_i2s_read(void *opaque, target_phys_addr_t addr)
1375 struct pxa2xx_i2s_s *s = (struct pxa2xx_i2s_s *) opaque;
1380 return s->control[0];
1382 return s->control[1];
1392 if (s->rx_len > 0) {
1394 pxa2xx_i2s_update(s);
1395 return s->codec_in(s->opaque);
1399 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1405 static void pxa2xx_i2s_write(void *opaque, target_phys_addr_t addr,
1408 struct pxa2xx_i2s_s *s = (struct pxa2xx_i2s_s *) opaque;
1414 if (value & (1 << 3)) /* RST */
1415 pxa2xx_i2s_reset(s);
1416 s->control[0] = value & 0xff3d;
1417 if (!s->enable && (value & 1) && s->tx_len) { /* ENB */
1418 for (sample = s->fifo; s->fifo_len > 0; s->fifo_len --, sample ++)
1419 s->codec_out(s->opaque, *sample);
1420 s->status &= ~(1 << 7); /* I2SOFF */
1422 if (value & (1 << 4)) /* EFWR */
1423 printf("%s: Attempt to use special function\n", __FUNCTION__);
1424 s->enable = ((value ^ 4) & 5) == 5; /* ENB && !RST*/
1425 pxa2xx_i2s_update(s);
1428 s->control[1] = value & 0x0039;
1429 if (value & (1 << 5)) /* ENLBF */
1430 printf("%s: Attempt to use loopback function\n", __FUNCTION__);
1431 if (value & (1 << 4)) /* DPRL */
1433 pxa2xx_i2s_update(s);
1436 s->mask = value & 0x0078;
1437 pxa2xx_i2s_update(s);
1440 s->status &= ~(value & (3 << 5));
1441 pxa2xx_i2s_update(s);
1444 s->clk = value & 0x007f;
1447 if (s->tx_len && s->enable) {
1449 pxa2xx_i2s_update(s);
1450 s->codec_out(s->opaque, value);
1451 } else if (s->fifo_len < 16) {
1452 s->fifo[s->fifo_len ++] = value;
1453 pxa2xx_i2s_update(s);
1457 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1461 static CPUReadMemoryFunc *pxa2xx_i2s_readfn[] = {
1467 static CPUWriteMemoryFunc *pxa2xx_i2s_writefn[] = {
1473 static void pxa2xx_i2s_data_req(void *opaque, int tx, int rx)
1475 struct pxa2xx_i2s_s *s = (struct pxa2xx_i2s_s *) opaque;
1478 /* Signal FIFO errors */
1479 if (s->enable && s->tx_len)
1480 s->status |= 1 << 5; /* TUR */
1481 if (s->enable && s->rx_len)
1482 s->status |= 1 << 6; /* ROR */
1484 /* Should be tx - MIN(tx, s->fifo_len) but we don't really need to
1485 * handle the cases where it makes a difference. */
1486 s->tx_len = tx - s->fifo_len;
1488 /* Note that is s->codec_out wasn't set, we wouldn't get called. */
1490 for (sample = s->fifo; s->fifo_len; s->fifo_len --, sample ++)
1491 s->codec_out(s->opaque, *sample);
1492 pxa2xx_i2s_update(s);
1495 static struct pxa2xx_i2s_s *pxa2xx_i2s_init(target_phys_addr_t base,
1496 qemu_irq irq, struct pxa2xx_dma_state_s *dma)
1499 struct pxa2xx_i2s_s *s = (struct pxa2xx_i2s_s *)
1500 qemu_mallocz(sizeof(struct pxa2xx_i2s_s));
1505 s->data_req = pxa2xx_i2s_data_req;
1507 pxa2xx_i2s_reset(s);
1509 iomemtype = cpu_register_io_memory(0, pxa2xx_i2s_readfn,
1510 pxa2xx_i2s_writefn, s);
1511 cpu_register_physical_memory(s->base & 0xfff00000, 0xfffff, iomemtype);
1516 /* PXA Fast Infra-red Communications Port */
1517 struct pxa2xx_fir_s {
1518 target_phys_addr_t base;
1520 struct pxa2xx_dma_state_s *dma;
1522 CharDriverState *chr;
1529 uint8_t rx_fifo[64];
1532 static void pxa2xx_fir_reset(struct pxa2xx_fir_s *s)
1534 s->control[0] = 0x00;
1535 s->control[1] = 0x00;
1536 s->control[2] = 0x00;
1537 s->status[0] = 0x00;
1538 s->status[1] = 0x00;
1542 static inline void pxa2xx_fir_update(struct pxa2xx_fir_s *s)
1544 static const int tresh[4] = { 8, 16, 32, 0 };
1546 if ((s->control[0] & (1 << 4)) && /* RXE */
1547 s->rx_len >= tresh[s->control[2] & 3]) /* TRIG */
1548 s->status[0] |= 1 << 4; /* RFS */
1550 s->status[0] &= ~(1 << 4); /* RFS */
1551 if (s->control[0] & (1 << 3)) /* TXE */
1552 s->status[0] |= 1 << 3; /* TFS */
1554 s->status[0] &= ~(1 << 3); /* TFS */
1556 s->status[1] |= 1 << 2; /* RNE */
1558 s->status[1] &= ~(1 << 2); /* RNE */
1559 if (s->control[0] & (1 << 4)) /* RXE */
1560 s->status[1] |= 1 << 0; /* RSY */
1562 s->status[1] &= ~(1 << 0); /* RSY */
1564 intr |= (s->control[0] & (1 << 5)) && /* RIE */
1565 (s->status[0] & (1 << 4)); /* RFS */
1566 intr |= (s->control[0] & (1 << 6)) && /* TIE */
1567 (s->status[0] & (1 << 3)); /* TFS */
1568 intr |= (s->control[2] & (1 << 4)) && /* TRAIL */
1569 (s->status[0] & (1 << 6)); /* EOC */
1570 intr |= (s->control[0] & (1 << 2)) && /* TUS */
1571 (s->status[0] & (1 << 1)); /* TUR */
1572 intr |= s->status[0] & 0x25; /* FRE, RAB, EIF */
1574 pxa2xx_dma_request(s->dma, PXA2XX_RX_RQ_ICP, (s->status[0] >> 4) & 1);
1575 pxa2xx_dma_request(s->dma, PXA2XX_TX_RQ_ICP, (s->status[0] >> 3) & 1);
1577 qemu_set_irq(s->irq, intr && s->enable);
1580 #define ICCR0 0x00 /* FICP Control register 0 */
1581 #define ICCR1 0x04 /* FICP Control register 1 */
1582 #define ICCR2 0x08 /* FICP Control register 2 */
1583 #define ICDR 0x0c /* FICP Data register */
1584 #define ICSR0 0x14 /* FICP Status register 0 */
1585 #define ICSR1 0x18 /* FICP Status register 1 */
1586 #define ICFOR 0x1c /* FICP FIFO Occupancy Status register */
1588 static uint32_t pxa2xx_fir_read(void *opaque, target_phys_addr_t addr)
1590 struct pxa2xx_fir_s *s = (struct pxa2xx_fir_s *) opaque;
1596 return s->control[0];
1598 return s->control[1];
1600 return s->control[2];
1602 s->status[0] &= ~0x01;
1603 s->status[1] &= ~0x72;
1606 ret = s->rx_fifo[s->rx_start ++];
1608 pxa2xx_fir_update(s);
1611 printf("%s: Rx FIFO underrun.\n", __FUNCTION__);
1614 return s->status[0];
1616 return s->status[1] | (1 << 3); /* TNF */
1620 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1626 static void pxa2xx_fir_write(void *opaque, target_phys_addr_t addr,
1629 struct pxa2xx_fir_s *s = (struct pxa2xx_fir_s *) opaque;
1635 s->control[0] = value;
1636 if (!(value & (1 << 4))) /* RXE */
1637 s->rx_len = s->rx_start = 0;
1638 if (!(value & (1 << 3))) /* TXE */
1640 s->enable = value & 1; /* ITR */
1643 pxa2xx_fir_update(s);
1646 s->control[1] = value;
1649 s->control[2] = value & 0x3f;
1650 pxa2xx_fir_update(s);
1653 if (s->control[2] & (1 << 2)) /* TXP */
1657 if (s->chr && s->enable && (s->control[0] & (1 << 3))) /* TXE */
1658 qemu_chr_write(s->chr, &ch, 1);
1661 s->status[0] &= ~(value & 0x66);
1662 pxa2xx_fir_update(s);
1667 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
1671 static CPUReadMemoryFunc *pxa2xx_fir_readfn[] = {
1677 static CPUWriteMemoryFunc *pxa2xx_fir_writefn[] = {
1683 static int pxa2xx_fir_is_empty(void *opaque)
1685 struct pxa2xx_fir_s *s = (struct pxa2xx_fir_s *) opaque;
1686 return (s->rx_len < 64);
1689 static void pxa2xx_fir_rx(void *opaque, const uint8_t *buf, int size)
1691 struct pxa2xx_fir_s *s = (struct pxa2xx_fir_s *) opaque;
1692 if (!(s->control[0] & (1 << 4))) /* RXE */
1696 s->status[1] |= 1 << 4; /* EOF */
1697 if (s->rx_len >= 64) {
1698 s->status[1] |= 1 << 6; /* ROR */
1702 if (s->control[2] & (1 << 3)) /* RXP */
1703 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = *(buf ++);
1705 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = ~*(buf ++);
1708 pxa2xx_fir_update(s);
1711 static void pxa2xx_fir_event(void *opaque, int event)
1715 static struct pxa2xx_fir_s *pxa2xx_fir_init(target_phys_addr_t base,
1716 qemu_irq irq, struct pxa2xx_dma_state_s *dma,
1717 CharDriverState *chr)
1720 struct pxa2xx_fir_s *s = (struct pxa2xx_fir_s *)
1721 qemu_mallocz(sizeof(struct pxa2xx_fir_s));
1728 pxa2xx_fir_reset(s);
1730 iomemtype = cpu_register_io_memory(0, pxa2xx_fir_readfn,
1731 pxa2xx_fir_writefn, s);
1732 cpu_register_physical_memory(s->base, 0xfff, iomemtype);
1735 qemu_chr_add_handlers(chr, pxa2xx_fir_is_empty,
1736 pxa2xx_fir_rx, pxa2xx_fir_event, s);
1741 void pxa2xx_reset(int line, int level, void *opaque)
1743 struct pxa2xx_state_s *s = (struct pxa2xx_state_s *) opaque;
1744 if (level && (s->pm_regs[PCFR >> 2] & 0x10)) { /* GPR_EN */
1746 /* TODO: reset peripherals */
1750 /* Initialise a PXA270 integrated chip (ARM based core). */
1751 struct pxa2xx_state_s *pxa270_init(unsigned int sdram_size,
1752 DisplayState *ds, const char *revision)
1754 struct pxa2xx_state_s *s;
1755 struct pxa2xx_ssp_s *ssp;
1757 s = (struct pxa2xx_state_s *) qemu_mallocz(sizeof(struct pxa2xx_state_s));
1759 if (revision && strncmp(revision, "pxa27", 5)) {
1760 fprintf(stderr, "Machine requires a PXA27x processor.\n");
1764 s->env = cpu_init();
1765 cpu_arm_set_model(s->env, revision ?: "pxa270");
1767 /* SDRAM & Internal Memory Storage */
1768 cpu_register_physical_memory(PXA2XX_SDRAM_BASE,
1769 sdram_size, qemu_ram_alloc(sdram_size) | IO_MEM_RAM);
1770 cpu_register_physical_memory(PXA2XX_INTERNAL_BASE,
1771 0x40000, qemu_ram_alloc(0x40000) | IO_MEM_RAM);
1773 s->pic = pxa2xx_pic_init(0x40d00000, s->env);
1775 s->dma = pxa27x_dma_init(0x40000000, s->pic[PXA2XX_PIC_DMA]);
1777 pxa27x_timer_init(0x40a00000, &s->pic[PXA2XX_PIC_OST_0],
1778 s->pic[PXA27X_PIC_OST_4_11]);
1780 s->gpio = pxa2xx_gpio_init(0x40e00000, s->env, s->pic, 121);
1782 s->mmc = pxa2xx_mmci_init(0x41100000, s->pic[PXA2XX_PIC_MMC], s->dma);
1784 for (i = 0; pxa270_serial[i].io_base; i ++)
1786 serial_mm_init(pxa270_serial[i].io_base, 2,
1787 s->pic[pxa270_serial[i].irqn], serial_hds[i], 1);
1791 s->fir = pxa2xx_fir_init(0x40800000, s->pic[PXA2XX_PIC_ICP],
1792 s->dma, serial_hds[i]);
1795 s->lcd = pxa2xx_lcdc_init(0x44000000, s->pic[PXA2XX_PIC_LCD], ds);
1797 s->cm_base = 0x41300000;
1798 s->cm_regs[CCCR >> 4] = 0x02000210; /* 416.0 MHz */
1799 s->clkcfg = 0x00000009; /* Turbo mode active */
1800 iomemtype = cpu_register_io_memory(0, pxa2xx_cm_readfn,
1801 pxa2xx_cm_writefn, s);
1802 cpu_register_physical_memory(s->cm_base, 0xfff, iomemtype);
1804 cpu_arm_set_cp_io(s->env, 14, pxa2xx_cp14_read, pxa2xx_cp14_write, s);
1806 s->mm_base = 0x48000000;
1807 s->mm_regs[MDMRS >> 2] = 0x00020002;
1808 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
1809 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
1810 iomemtype = cpu_register_io_memory(0, pxa2xx_mm_readfn,
1811 pxa2xx_mm_writefn, s);
1812 cpu_register_physical_memory(s->mm_base, 0xfff, iomemtype);
1814 for (i = 0; pxa27x_ssp[i].io_base; i ++);
1815 s->ssp = (struct pxa2xx_ssp_s **)
1816 qemu_mallocz(sizeof(struct pxa2xx_ssp_s *) * i);
1817 ssp = (struct pxa2xx_ssp_s *)
1818 qemu_mallocz(sizeof(struct pxa2xx_ssp_s) * i);
1819 for (i = 0; pxa27x_ssp[i].io_base; i ++) {
1820 s->ssp[i] = &ssp[i];
1821 ssp[i].base = pxa27x_ssp[i].io_base;
1822 ssp[i].irq = s->pic[pxa27x_ssp[i].irqn];
1824 iomemtype = cpu_register_io_memory(0, pxa2xx_ssp_readfn,
1825 pxa2xx_ssp_writefn, &ssp[i]);
1826 cpu_register_physical_memory(ssp[i].base, 0xfff, iomemtype);
1830 usb_ohci_init_pxa(0x4c000000, 3, -1, s->pic[PXA2XX_PIC_USBH1]);
1833 s->pcmcia[0] = pxa2xx_pcmcia_init(0x20000000);
1834 s->pcmcia[1] = pxa2xx_pcmcia_init(0x30000000);
1836 s->rtc_base = 0x40900000;
1837 iomemtype = cpu_register_io_memory(0, pxa2xx_rtc_readfn,
1838 pxa2xx_rtc_writefn, s);
1839 cpu_register_physical_memory(s->rtc_base, 0xfff, iomemtype);
1840 pxa2xx_rtc_reset(s);
1842 /* Note that PM registers are in the same page with PWRI2C registers.
1843 * As a workaround we don't map PWRI2C into memory and we expect
1844 * PM handlers to call PWRI2C handlers when appropriate. */
1845 s->i2c[0] = pxa2xx_i2c_init(0x40301600, s->pic[PXA2XX_PIC_I2C], 1);
1846 s->i2c[1] = pxa2xx_i2c_init(0x40f00100, s->pic[PXA2XX_PIC_PWRI2C], 0);
1848 s->pm_base = 0x40f00000;
1849 iomemtype = cpu_register_io_memory(0, pxa2xx_pm_readfn,
1850 pxa2xx_pm_writefn, s);
1851 cpu_register_physical_memory(s->pm_base, 0xfff, iomemtype);
1853 s->i2s = pxa2xx_i2s_init(0x40400000, s->pic[PXA2XX_PIC_I2S], s->dma);
1855 /* GPIO1 resets the processor */
1856 /* The handler can be overriden by board-specific code */
1857 pxa2xx_gpio_handler_set(s->gpio, 1, pxa2xx_reset, s);
1861 /* Initialise a PXA255 integrated chip (ARM based core). */
1862 struct pxa2xx_state_s *pxa255_init(unsigned int sdram_size,
1865 struct pxa2xx_state_s *s;
1866 struct pxa2xx_ssp_s *ssp;
1868 s = (struct pxa2xx_state_s *) qemu_mallocz(sizeof(struct pxa2xx_state_s));
1870 s->env = cpu_init();
1871 cpu_arm_set_model(s->env, "pxa255");
1873 /* SDRAM & Internal Memory Storage */
1874 cpu_register_physical_memory(PXA2XX_SDRAM_BASE, sdram_size,
1875 qemu_ram_alloc(sdram_size) | IO_MEM_RAM);
1876 cpu_register_physical_memory(PXA2XX_INTERNAL_BASE, PXA2XX_INTERNAL_SIZE,
1877 qemu_ram_alloc(PXA2XX_INTERNAL_SIZE) | IO_MEM_RAM);
1879 s->pic = pxa2xx_pic_init(0x40d00000, s->env);
1881 s->dma = pxa255_dma_init(0x40000000, s->pic[PXA2XX_PIC_DMA]);
1883 pxa25x_timer_init(0x40a00000, &s->pic[PXA2XX_PIC_OST_0]);
1885 s->gpio = pxa2xx_gpio_init(0x40e00000, s->env, s->pic, 85);
1887 s->mmc = pxa2xx_mmci_init(0x41100000, s->pic[PXA2XX_PIC_MMC], s->dma);
1889 for (i = 0; pxa255_serial[i].io_base; i ++)
1891 serial_mm_init(pxa255_serial[i].io_base, 2,
1892 s->pic[pxa255_serial[i].irqn], serial_hds[i], 1);
1896 s->fir = pxa2xx_fir_init(0x40800000, s->pic[PXA2XX_PIC_ICP],
1897 s->dma, serial_hds[i]);
1900 s->lcd = pxa2xx_lcdc_init(0x44000000, s->pic[PXA2XX_PIC_LCD], ds);
1902 s->cm_base = 0x41300000;
1903 s->cm_regs[CCCR >> 4] = 0x02000210; /* 416.0 MHz */
1904 s->clkcfg = 0x00000009; /* Turbo mode active */
1905 iomemtype = cpu_register_io_memory(0, pxa2xx_cm_readfn,
1906 pxa2xx_cm_writefn, s);
1907 cpu_register_physical_memory(s->cm_base, 0xfff, iomemtype);
1909 cpu_arm_set_cp_io(s->env, 14, pxa2xx_cp14_read, pxa2xx_cp14_write, s);
1911 s->mm_base = 0x48000000;
1912 s->mm_regs[MDMRS >> 2] = 0x00020002;
1913 s->mm_regs[MDREFR >> 2] = 0x03ca4000;
1914 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */
1915 iomemtype = cpu_register_io_memory(0, pxa2xx_mm_readfn,
1916 pxa2xx_mm_writefn, s);
1917 cpu_register_physical_memory(s->mm_base, 0xfff, iomemtype);
1919 for (i = 0; pxa255_ssp[i].io_base; i ++);
1920 s->ssp = (struct pxa2xx_ssp_s **)
1921 qemu_mallocz(sizeof(struct pxa2xx_ssp_s *) * i);
1922 ssp = (struct pxa2xx_ssp_s *)
1923 qemu_mallocz(sizeof(struct pxa2xx_ssp_s) * i);
1924 for (i = 0; pxa255_ssp[i].io_base; i ++) {
1925 s->ssp[i] = &ssp[i];
1926 ssp[i].base = pxa255_ssp[i].io_base;
1927 ssp[i].irq = s->pic[pxa255_ssp[i].irqn];
1929 iomemtype = cpu_register_io_memory(0, pxa2xx_ssp_readfn,
1930 pxa2xx_ssp_writefn, &ssp[i]);
1931 cpu_register_physical_memory(ssp[i].base, 0xfff, iomemtype);
1935 usb_ohci_init_pxa(0x4c000000, 3, -1, s->pic[PXA2XX_PIC_USBH1]);
1938 s->pcmcia[0] = pxa2xx_pcmcia_init(0x20000000);
1939 s->pcmcia[1] = pxa2xx_pcmcia_init(0x30000000);
1941 s->rtc_base = 0x40900000;
1942 iomemtype = cpu_register_io_memory(0, pxa2xx_rtc_readfn,
1943 pxa2xx_rtc_writefn, s);
1944 cpu_register_physical_memory(s->rtc_base, 0xfff, iomemtype);
1945 pxa2xx_rtc_reset(s);
1947 /* Note that PM registers are in the same page with PWRI2C registers.
1948 * As a workaround we don't map PWRI2C into memory and we expect
1949 * PM handlers to call PWRI2C handlers when appropriate. */
1950 s->i2c[0] = pxa2xx_i2c_init(0x40301600, s->pic[PXA2XX_PIC_I2C], 1);
1951 s->i2c[1] = pxa2xx_i2c_init(0x40f00100, s->pic[PXA2XX_PIC_PWRI2C], 0);
1953 s->pm_base = 0x40f00000;
1954 iomemtype = cpu_register_io_memory(0, pxa2xx_pm_readfn,
1955 pxa2xx_pm_writefn, s);
1956 cpu_register_physical_memory(s->pm_base, 0xfff, iomemtype);
1958 s->i2s = pxa2xx_i2s_init(0x40400000, s->pic[PXA2XX_PIC_I2S], s->dma);
1960 /* GPIO1 resets the processor */
1961 /* The handler can be overriden by board-specific code */
1962 pxa2xx_gpio_handler_set(s->gpio, 1, pxa2xx_reset, s);