2 * TI OMAP processors emulation.
4 * Copyright (C) 2006-2007 Andrzej Zaborowski <balrog@zabor.org>
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of
9 * the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 /* Should signal the TCMI */
25 static uint32_t omap_badwidth_read16(void *opaque, target_phys_addr_t addr)
31 static void omap_badwidth_write16(void *opaque, target_phys_addr_t addr,
37 static uint32_t omap_badwidth_read32(void *opaque, target_phys_addr_t addr)
43 static void omap_badwidth_write32(void *opaque, target_phys_addr_t addr,
52 /* Interrupt Handlers */
53 struct omap_intr_handler_s {
56 target_phys_addr_t base;
71 static void omap_inth_update(struct omap_intr_handler_s *s)
73 uint32_t irq = s->new_irq_agr & s->irqs & ~s->mask & ~s->fiq;
74 uint32_t fiq = s->new_fiq_agr & s->irqs & ~s->mask & s->fiq;
76 qemu_set_irq(s->parent_pic[ARM_PIC_CPU_IRQ], irq);
80 qemu_set_irq(s->parent_pic[ARM_PIC_CPU_FIQ], fiq);
85 static void omap_inth_sir_update(struct omap_intr_handler_s *s)
87 int i, intr_irq, intr_fiq, p_irq, p_fiq, p, f;
88 uint32_t level = s->irqs & ~s->mask;
94 /* Find the interrupt line with the highest dynamic priority */
95 for (f = ffs(level), i = f - 1, level >>= f - 1; f; i += f, level >>= f) {
97 if (s->fiq & (1 << i)) {
112 s->sir_irq = intr_irq;
113 s->sir_fiq = intr_fiq;
116 #define INT_FALLING_EDGE 0
117 #define INT_LOW_LEVEL 1
119 static void omap_set_intr(void *opaque, int irq, int req)
121 struct omap_intr_handler_s *ih = (struct omap_intr_handler_s *) opaque;
125 rise = ~ih->irqs & (1 << irq);
129 rise = ih->sens_edge & ih->irqs & (1 << irq);
133 if (rise & ~ih->mask) {
134 omap_inth_sir_update(ih);
136 omap_inth_update(ih);
140 static uint32_t omap_inth_read(void *opaque, target_phys_addr_t addr)
142 struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
143 int i, offset = addr - s->base;
152 case 0x10: /* SIR_IRQ_CODE */
154 if (((s->sens_edge >> i) & 1) == INT_FALLING_EDGE && i) {
155 s->irqs &= ~(1 << i);
156 omap_inth_sir_update(s);
161 case 0x14: /* SIR_FIQ_CODE */
163 if (((s->sens_edge >> i) & 1) == INT_FALLING_EDGE && i) {
164 s->irqs &= ~(1 << i);
165 omap_inth_sir_update(s);
170 case 0x18: /* CONTROL_REG */
173 case 0x1c: /* ILR0 */
174 case 0x20: /* ILR1 */
175 case 0x24: /* ILR2 */
176 case 0x28: /* ILR3 */
177 case 0x2c: /* ILR4 */
178 case 0x30: /* ILR5 */
179 case 0x34: /* ILR6 */
180 case 0x38: /* ILR7 */
181 case 0x3c: /* ILR8 */
182 case 0x40: /* ILR9 */
183 case 0x44: /* ILR10 */
184 case 0x48: /* ILR11 */
185 case 0x4c: /* ILR12 */
186 case 0x50: /* ILR13 */
187 case 0x54: /* ILR14 */
188 case 0x58: /* ILR15 */
189 case 0x5c: /* ILR16 */
190 case 0x60: /* ILR17 */
191 case 0x64: /* ILR18 */
192 case 0x68: /* ILR19 */
193 case 0x6c: /* ILR20 */
194 case 0x70: /* ILR21 */
195 case 0x74: /* ILR22 */
196 case 0x78: /* ILR23 */
197 case 0x7c: /* ILR24 */
198 case 0x80: /* ILR25 */
199 case 0x84: /* ILR26 */
200 case 0x88: /* ILR27 */
201 case 0x8c: /* ILR28 */
202 case 0x90: /* ILR29 */
203 case 0x94: /* ILR30 */
204 case 0x98: /* ILR31 */
205 i = (offset - 0x1c) >> 2;
206 return (s->priority[i] << 2) |
207 (((s->sens_edge >> i) & 1) << 1) |
220 static void omap_inth_write(void *opaque, target_phys_addr_t addr,
223 struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
224 int i, offset = addr - s->base;
229 omap_inth_sir_update(s);
235 omap_inth_sir_update(s);
239 case 0x10: /* SIR_IRQ_CODE */
240 case 0x14: /* SIR_FIQ_CODE */
244 case 0x18: /* CONTROL_REG */
252 case 0x1c: /* ILR0 */
253 case 0x20: /* ILR1 */
254 case 0x24: /* ILR2 */
255 case 0x28: /* ILR3 */
256 case 0x2c: /* ILR4 */
257 case 0x30: /* ILR5 */
258 case 0x34: /* ILR6 */
259 case 0x38: /* ILR7 */
260 case 0x3c: /* ILR8 */
261 case 0x40: /* ILR9 */
262 case 0x44: /* ILR10 */
263 case 0x48: /* ILR11 */
264 case 0x4c: /* ILR12 */
265 case 0x50: /* ILR13 */
266 case 0x54: /* ILR14 */
267 case 0x58: /* ILR15 */
268 case 0x5c: /* ILR16 */
269 case 0x60: /* ILR17 */
270 case 0x64: /* ILR18 */
271 case 0x68: /* ILR19 */
272 case 0x6c: /* ILR20 */
273 case 0x70: /* ILR21 */
274 case 0x74: /* ILR22 */
275 case 0x78: /* ILR23 */
276 case 0x7c: /* ILR24 */
277 case 0x80: /* ILR25 */
278 case 0x84: /* ILR26 */
279 case 0x88: /* ILR27 */
280 case 0x8c: /* ILR28 */
281 case 0x90: /* ILR29 */
282 case 0x94: /* ILR30 */
283 case 0x98: /* ILR31 */
284 i = (offset - 0x1c) >> 2;
285 s->priority[i] = (value >> 2) & 0x1f;
286 s->sens_edge &= ~(1 << i);
287 s->sens_edge |= ((value >> 1) & 1) << i;
289 s->fiq |= (value & 1) << i;
293 for (i = 0; i < 32; i ++)
294 if (value & (1 << i)) {
295 omap_set_intr(s, i, 1);
305 static CPUReadMemoryFunc *omap_inth_readfn[] = {
306 omap_badwidth_read32,
307 omap_badwidth_read32,
311 static CPUWriteMemoryFunc *omap_inth_writefn[] = {
317 static void omap_inth_reset(struct omap_intr_handler_s *s)
319 s->irqs = 0x00000000;
320 s->mask = 0xffffffff;
321 s->sens_edge = 0x00000000;
323 memset(s->priority, 0, sizeof(s->priority));
332 struct omap_intr_handler_s *omap_inth_init(target_phys_addr_t base,
333 unsigned long size, qemu_irq parent[2], omap_clk clk)
336 struct omap_intr_handler_s *s = (struct omap_intr_handler_s *)
337 qemu_mallocz(sizeof(struct omap_intr_handler_s));
339 s->parent_pic = parent;
341 s->pins = qemu_allocate_irqs(omap_set_intr, s, 32);
344 iomemtype = cpu_register_io_memory(0, omap_inth_readfn,
345 omap_inth_writefn, s);
346 cpu_register_physical_memory(s->base, size, iomemtype);
351 /* OMAP1 DMA module */
357 } omap_dma_addressing_t;
359 struct omap_dma_channel_s {
362 enum omap_dma_port port[2];
363 target_phys_addr_t addr[2];
364 omap_dma_addressing_t mode[2];
380 uint16_t frame_index;
381 uint16_t element_index;
384 struct omap_dma_reg_set_s {
385 target_phys_addr_t src, dest;
398 struct omap_mpu_state_s *mpu;
399 target_phys_addr_t base;
407 struct omap_dma_channel_s ch[16];
408 struct omap_dma_lcd_channel_s lcd_ch;
411 static void omap_dma_interrupts_update(struct omap_dma_s *s)
413 /* First three interrupts are shared between two channels each. */
414 qemu_set_irq(s->ih[OMAP_INT_DMA_CH0_6],
415 (s->ch[0].status | s->ch[6].status) & 0x3f);
416 qemu_set_irq(s->ih[OMAP_INT_DMA_CH1_7],
417 (s->ch[1].status | s->ch[7].status) & 0x3f);
418 qemu_set_irq(s->ih[OMAP_INT_DMA_CH2_8],
419 (s->ch[2].status | s->ch[8].status) & 0x3f);
420 qemu_set_irq(s->ih[OMAP_INT_DMA_CH3],
421 (s->ch[3].status) & 0x3f);
422 qemu_set_irq(s->ih[OMAP_INT_DMA_CH4],
423 (s->ch[4].status) & 0x3f);
424 qemu_set_irq(s->ih[OMAP_INT_DMA_CH5],
425 (s->ch[5].status) & 0x3f);
428 static void omap_dma_channel_load(struct omap_dma_s *s, int ch)
430 struct omap_dma_reg_set_s *a = &s->ch[ch].active_set;
434 * TODO: verify address ranges and alignment
435 * TODO: port endianness
438 a->src = s->ch[ch].addr[0];
439 a->dest = s->ch[ch].addr[1];
440 a->frames = s->ch[ch].frames;
441 a->elements = s->ch[ch].elements;
445 if (unlikely(!s->ch[ch].elements || !s->ch[ch].frames)) {
446 printf("%s: bad DMA request\n", __FUNCTION__);
450 for (i = 0; i < 2; i ++)
451 switch (s->ch[ch].mode[i]) {
453 a->elem_delta[i] = 0;
454 a->frame_delta[i] = 0;
456 case post_incremented:
457 a->elem_delta[i] = s->ch[ch].data_type;
458 a->frame_delta[i] = 0;
461 a->elem_delta[i] = s->ch[ch].data_type +
462 s->ch[ch].element_index - 1;
463 if (s->ch[ch].element_index > 0x7fff)
464 a->elem_delta[i] -= 0x10000;
465 a->frame_delta[i] = 0;
468 a->elem_delta[i] = s->ch[ch].data_type +
469 s->ch[ch].element_index - 1;
470 if (s->ch[ch].element_index > 0x7fff)
471 a->elem_delta[i] -= 0x10000;
472 a->frame_delta[i] = s->ch[ch].frame_index -
473 s->ch[ch].element_index;
474 if (s->ch[ch].frame_index > 0x7fff)
475 a->frame_delta[i] -= 0x10000;
482 static inline void omap_dma_request_run(struct omap_dma_s *s,
483 int channel, int request)
487 for (; channel < 9; channel ++)
488 if (s->ch[channel].sync == request && s->ch[channel].running)
493 if (s->ch[channel].transfer) {
495 s->ch[channel ++].post_sync = request;
498 s->ch[channel].status |= 0x02; /* Synchronisation drop */
499 omap_dma_interrupts_update(s);
503 if (!s->ch[channel].signalled)
505 s->ch[channel].signalled = 1;
508 s->ch[channel].status |= 0x40; /* External request */
511 qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay);
519 static inline void omap_dma_request_stop(struct omap_dma_s *s, int channel)
521 if (s->ch[channel].signalled)
523 s->ch[channel].signalled = 0;
526 qemu_del_timer(s->tm);
529 static void omap_dma_channel_run(struct omap_dma_s *s)
534 struct omap_dma_port_if_s *src_p, *dest_p;
535 struct omap_dma_reg_set_s *a;
537 for (ch = 0; ch < 9; ch ++) {
538 a = &s->ch[ch].active_set;
540 src_p = &s->mpu->port[s->ch[ch].port[0]];
541 dest_p = &s->mpu->port[s->ch[ch].port[1]];
542 if (s->ch[ch].signalled && (!src_p->addr_valid(s->mpu, a->src) ||
543 !dest_p->addr_valid(s->mpu, a->dest))) {
546 if (s->ch[ch].interrupts & 0x01)
547 s->ch[ch].status |= 0x01;
548 omap_dma_request_stop(s, ch);
551 printf("%s: Bus time-out in DMA%i operation\n", __FUNCTION__, ch);
554 status = s->ch[ch].status;
555 while (status == s->ch[ch].status && s->ch[ch].signalled) {
556 /* Transfer a single element */
557 s->ch[ch].transfer = 1;
558 cpu_physical_memory_read(a->src, value, s->ch[ch].data_type);
559 cpu_physical_memory_write(a->dest, value, s->ch[ch].data_type);
560 s->ch[ch].transfer = 0;
562 a->src += a->elem_delta[0];
563 a->dest += a->elem_delta[1];
566 /* Check interrupt conditions */
567 if (a->element == a->elements) {
569 a->src += a->frame_delta[0];
570 a->dest += a->frame_delta[1];
573 if (a->frame == a->frames) {
574 if (!s->ch[ch].repeat || !s->ch[ch].auto_init)
575 s->ch[ch].running = 0;
577 if (s->ch[ch].auto_init &&
580 omap_dma_channel_load(s, ch);
582 if (s->ch[ch].interrupts & 0x20)
583 s->ch[ch].status |= 0x20;
586 omap_dma_request_stop(s, ch);
589 if (s->ch[ch].interrupts & 0x08)
590 s->ch[ch].status |= 0x08;
592 if (s->ch[ch].sync && s->ch[ch].fs) {
593 s->ch[ch].status &= ~0x40;
594 omap_dma_request_stop(s, ch);
598 if (a->element == 1 && a->frame == a->frames - 1)
599 if (s->ch[ch].interrupts & 0x10)
600 s->ch[ch].status |= 0x10;
602 if (a->element == (a->elements >> 1))
603 if (s->ch[ch].interrupts & 0x04)
604 s->ch[ch].status |= 0x04;
606 if (s->ch[ch].sync && !s->ch[ch].fs) {
607 s->ch[ch].status &= ~0x40;
608 omap_dma_request_stop(s, ch);
612 * Process requests made while the element was
615 if (s->ch[ch].post_sync) {
616 omap_dma_request_run(s, 0, s->ch[ch].post_sync);
617 s->ch[ch].post_sync = 0;
625 s->ch[ch].cpc = a->dest & 0x0000ffff;
628 omap_dma_interrupts_update(s);
629 if (s->run_count && s->delay)
630 qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay);
633 static int omap_dma_ch_reg_read(struct omap_dma_s *s,
634 int ch, int reg, uint16_t *value) {
636 case 0x00: /* SYS_DMA_CSDP_CH0 */
637 *value = (s->ch[ch].burst[1] << 14) |
638 (s->ch[ch].pack[1] << 13) |
639 (s->ch[ch].port[1] << 9) |
640 (s->ch[ch].burst[0] << 7) |
641 (s->ch[ch].pack[0] << 6) |
642 (s->ch[ch].port[0] << 2) |
643 (s->ch[ch].data_type >> 1);
646 case 0x02: /* SYS_DMA_CCR_CH0 */
647 *value = (s->ch[ch].mode[1] << 14) |
648 (s->ch[ch].mode[0] << 12) |
649 (s->ch[ch].end_prog << 11) |
650 (s->ch[ch].repeat << 9) |
651 (s->ch[ch].auto_init << 8) |
652 (s->ch[ch].running << 7) |
653 (s->ch[ch].priority << 6) |
654 (s->ch[ch].fs << 5) | s->ch[ch].sync;
657 case 0x04: /* SYS_DMA_CICR_CH0 */
658 *value = s->ch[ch].interrupts;
661 case 0x06: /* SYS_DMA_CSR_CH0 */
662 /* FIXME: shared CSR for channels sharing the interrupts */
663 *value = s->ch[ch].status;
664 s->ch[ch].status &= 0x40;
665 omap_dma_interrupts_update(s);
668 case 0x08: /* SYS_DMA_CSSA_L_CH0 */
669 *value = s->ch[ch].addr[0] & 0x0000ffff;
672 case 0x0a: /* SYS_DMA_CSSA_U_CH0 */
673 *value = s->ch[ch].addr[0] >> 16;
676 case 0x0c: /* SYS_DMA_CDSA_L_CH0 */
677 *value = s->ch[ch].addr[1] & 0x0000ffff;
680 case 0x0e: /* SYS_DMA_CDSA_U_CH0 */
681 *value = s->ch[ch].addr[1] >> 16;
684 case 0x10: /* SYS_DMA_CEN_CH0 */
685 *value = s->ch[ch].elements;
688 case 0x12: /* SYS_DMA_CFN_CH0 */
689 *value = s->ch[ch].frames;
692 case 0x14: /* SYS_DMA_CFI_CH0 */
693 *value = s->ch[ch].frame_index;
696 case 0x16: /* SYS_DMA_CEI_CH0 */
697 *value = s->ch[ch].element_index;
700 case 0x18: /* SYS_DMA_CPC_CH0 */
701 *value = s->ch[ch].cpc;
710 static int omap_dma_ch_reg_write(struct omap_dma_s *s,
711 int ch, int reg, uint16_t value) {
713 case 0x00: /* SYS_DMA_CSDP_CH0 */
714 s->ch[ch].burst[1] = (value & 0xc000) >> 14;
715 s->ch[ch].pack[1] = (value & 0x2000) >> 13;
716 s->ch[ch].port[1] = (enum omap_dma_port) ((value & 0x1e00) >> 9);
717 s->ch[ch].burst[0] = (value & 0x0180) >> 7;
718 s->ch[ch].pack[0] = (value & 0x0040) >> 6;
719 s->ch[ch].port[0] = (enum omap_dma_port) ((value & 0x003c) >> 2);
720 s->ch[ch].data_type = (1 << (value & 3));
721 if (s->ch[ch].port[0] >= omap_dma_port_last)
722 printf("%s: invalid DMA port %i\n", __FUNCTION__,
724 if (s->ch[ch].port[1] >= omap_dma_port_last)
725 printf("%s: invalid DMA port %i\n", __FUNCTION__,
727 if ((value & 3) == 3)
728 printf("%s: bad data_type for DMA channel %i\n", __FUNCTION__, ch);
731 case 0x02: /* SYS_DMA_CCR_CH0 */
732 s->ch[ch].mode[1] = (omap_dma_addressing_t) ((value & 0xc000) >> 14);
733 s->ch[ch].mode[0] = (omap_dma_addressing_t) ((value & 0x3000) >> 12);
734 s->ch[ch].end_prog = (value & 0x0800) >> 11;
735 s->ch[ch].repeat = (value & 0x0200) >> 9;
736 s->ch[ch].auto_init = (value & 0x0100) >> 8;
737 s->ch[ch].priority = (value & 0x0040) >> 6;
738 s->ch[ch].fs = (value & 0x0020) >> 5;
739 s->ch[ch].sync = value & 0x001f;
740 if (value & 0x0080) {
741 if (s->ch[ch].running) {
742 if (!s->ch[ch].signalled &&
743 s->ch[ch].auto_init && s->ch[ch].end_prog)
744 omap_dma_channel_load(s, ch);
746 s->ch[ch].running = 1;
747 omap_dma_channel_load(s, ch);
750 omap_dma_request_run(s, ch, 0);
752 s->ch[ch].running = 0;
753 omap_dma_request_stop(s, ch);
757 case 0x04: /* SYS_DMA_CICR_CH0 */
758 s->ch[ch].interrupts = value & 0x003f;
761 case 0x06: /* SYS_DMA_CSR_CH0 */
764 case 0x08: /* SYS_DMA_CSSA_L_CH0 */
765 s->ch[ch].addr[0] &= 0xffff0000;
766 s->ch[ch].addr[0] |= value;
769 case 0x0a: /* SYS_DMA_CSSA_U_CH0 */
770 s->ch[ch].addr[0] &= 0x0000ffff;
771 s->ch[ch].addr[0] |= value << 16;
774 case 0x0c: /* SYS_DMA_CDSA_L_CH0 */
775 s->ch[ch].addr[1] &= 0xffff0000;
776 s->ch[ch].addr[1] |= value;
779 case 0x0e: /* SYS_DMA_CDSA_U_CH0 */
780 s->ch[ch].addr[1] &= 0x0000ffff;
781 s->ch[ch].addr[1] |= value << 16;
784 case 0x10: /* SYS_DMA_CEN_CH0 */
785 s->ch[ch].elements = value & 0xffff;
788 case 0x12: /* SYS_DMA_CFN_CH0 */
789 s->ch[ch].frames = value & 0xffff;
792 case 0x14: /* SYS_DMA_CFI_CH0 */
793 s->ch[ch].frame_index = value & 0xffff;
796 case 0x16: /* SYS_DMA_CEI_CH0 */
797 s->ch[ch].element_index = value & 0xffff;
800 case 0x18: /* SYS_DMA_CPC_CH0 */
804 OMAP_BAD_REG((unsigned long) reg);
809 static uint32_t omap_dma_read(void *opaque, target_phys_addr_t addr)
811 struct omap_dma_s *s = (struct omap_dma_s *) opaque;
812 int i, reg, ch, offset = addr - s->base;
816 case 0x000 ... 0x2fe:
818 ch = (offset >> 6) & 0x0f;
819 if (omap_dma_ch_reg_read(s, ch, reg, &ret))
823 case 0x300: /* SYS_DMA_LCD_CTRL */
824 i = s->lcd_ch.condition;
825 s->lcd_ch.condition = 0;
826 qemu_irq_lower(s->lcd_ch.irq);
827 return ((s->lcd_ch.src == imif) << 6) | (i << 3) |
828 (s->lcd_ch.interrupts << 1) | s->lcd_ch.dual;
830 case 0x302: /* SYS_DMA_LCD_TOP_F1_L */
831 return s->lcd_ch.src_f1_top & 0xffff;
833 case 0x304: /* SYS_DMA_LCD_TOP_F1_U */
834 return s->lcd_ch.src_f1_top >> 16;
836 case 0x306: /* SYS_DMA_LCD_BOT_F1_L */
837 return s->lcd_ch.src_f1_bottom & 0xffff;
839 case 0x308: /* SYS_DMA_LCD_BOT_F1_U */
840 return s->lcd_ch.src_f1_bottom >> 16;
842 case 0x30a: /* SYS_DMA_LCD_TOP_F2_L */
843 return s->lcd_ch.src_f2_top & 0xffff;
845 case 0x30c: /* SYS_DMA_LCD_TOP_F2_U */
846 return s->lcd_ch.src_f2_top >> 16;
848 case 0x30e: /* SYS_DMA_LCD_BOT_F2_L */
849 return s->lcd_ch.src_f2_bottom & 0xffff;
851 case 0x310: /* SYS_DMA_LCD_BOT_F2_U */
852 return s->lcd_ch.src_f2_bottom >> 16;
854 case 0x400: /* SYS_DMA_GCR */
862 static void omap_dma_write(void *opaque, target_phys_addr_t addr,
865 struct omap_dma_s *s = (struct omap_dma_s *) opaque;
866 int reg, ch, offset = addr - s->base;
869 case 0x000 ... 0x2fe:
871 ch = (offset >> 6) & 0x0f;
872 if (omap_dma_ch_reg_write(s, ch, reg, value))
876 case 0x300: /* SYS_DMA_LCD_CTRL */
877 s->lcd_ch.src = (value & 0x40) ? imif : emiff;
878 s->lcd_ch.condition = 0;
879 /* Assume no bus errors and thus no BUS_ERROR irq bits. */
880 s->lcd_ch.interrupts = (value >> 1) & 1;
881 s->lcd_ch.dual = value & 1;
884 case 0x302: /* SYS_DMA_LCD_TOP_F1_L */
885 s->lcd_ch.src_f1_top &= 0xffff0000;
886 s->lcd_ch.src_f1_top |= 0x0000ffff & value;
889 case 0x304: /* SYS_DMA_LCD_TOP_F1_U */
890 s->lcd_ch.src_f1_top &= 0x0000ffff;
891 s->lcd_ch.src_f1_top |= value << 16;
894 case 0x306: /* SYS_DMA_LCD_BOT_F1_L */
895 s->lcd_ch.src_f1_bottom &= 0xffff0000;
896 s->lcd_ch.src_f1_bottom |= 0x0000ffff & value;
899 case 0x308: /* SYS_DMA_LCD_BOT_F1_U */
900 s->lcd_ch.src_f1_bottom &= 0x0000ffff;
901 s->lcd_ch.src_f1_bottom |= value << 16;
904 case 0x30a: /* SYS_DMA_LCD_TOP_F2_L */
905 s->lcd_ch.src_f2_top &= 0xffff0000;
906 s->lcd_ch.src_f2_top |= 0x0000ffff & value;
909 case 0x30c: /* SYS_DMA_LCD_TOP_F2_U */
910 s->lcd_ch.src_f2_top &= 0x0000ffff;
911 s->lcd_ch.src_f2_top |= value << 16;
914 case 0x30e: /* SYS_DMA_LCD_BOT_F2_L */
915 s->lcd_ch.src_f2_bottom &= 0xffff0000;
916 s->lcd_ch.src_f2_bottom |= 0x0000ffff & value;
919 case 0x310: /* SYS_DMA_LCD_BOT_F2_U */
920 s->lcd_ch.src_f2_bottom &= 0x0000ffff;
921 s->lcd_ch.src_f2_bottom |= value << 16;
924 case 0x400: /* SYS_DMA_GCR */
925 s->gcr = value & 0x000c;
933 static CPUReadMemoryFunc *omap_dma_readfn[] = {
934 omap_badwidth_read16,
936 omap_badwidth_read16,
939 static CPUWriteMemoryFunc *omap_dma_writefn[] = {
940 omap_badwidth_write16,
942 omap_badwidth_write16,
945 static void omap_dma_request(void *opaque, int drq, int req)
947 struct omap_dma_s *s = (struct omap_dma_s *) opaque;
948 /* All the request pins are edge triggered. */
950 omap_dma_request_run(s, 0, drq);
953 static void omap_dma_clk_update(void *opaque, int line, int on)
955 struct omap_dma_s *s = (struct omap_dma_s *) opaque;
958 s->delay = ticks_per_sec >> 5;
960 qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay);
963 qemu_del_timer(s->tm);
967 static void omap_dma_reset(struct omap_dma_s *s)
971 qemu_del_timer(s->tm);
974 s->lcd_ch.src = emiff;
975 s->lcd_ch.condition = 0;
976 s->lcd_ch.interrupts = 0;
978 memset(s->ch, 0, sizeof(s->ch));
979 for (i = 0; i < s->chans; i ++)
980 s->ch[i].interrupts = 0x0003;
983 struct omap_dma_s *omap_dma_init(target_phys_addr_t base,
984 qemu_irq pic[], struct omap_mpu_state_s *mpu, omap_clk clk)
987 struct omap_dma_s *s = (struct omap_dma_s *)
988 qemu_mallocz(sizeof(struct omap_dma_s));
995 s->lcd_ch.irq = pic[OMAP_INT_DMA_LCD];
997 s->tm = qemu_new_timer(vm_clock, (QEMUTimerCB *) omap_dma_channel_run, s);
998 omap_clk_adduser(s->clk, qemu_allocate_irqs(omap_dma_clk_update, s, 1)[0]);
999 mpu->drq = qemu_allocate_irqs(omap_dma_request, s, 32);
1002 iomemtype = cpu_register_io_memory(0, omap_dma_readfn,
1003 omap_dma_writefn, s);
1004 cpu_register_physical_memory(s->base, 0x800, iomemtype);
1010 int omap_validate_emiff_addr(struct omap_mpu_state_s *s,
1011 target_phys_addr_t addr)
1013 return addr >= OMAP_EMIFF_BASE && addr < OMAP_EMIFF_BASE + s->sdram_size;
1016 int omap_validate_emifs_addr(struct omap_mpu_state_s *s,
1017 target_phys_addr_t addr)
1019 return addr >= OMAP_EMIFS_BASE && addr < OMAP_EMIFF_BASE;
1022 int omap_validate_imif_addr(struct omap_mpu_state_s *s,
1023 target_phys_addr_t addr)
1025 return addr >= OMAP_IMIF_BASE && addr < OMAP_IMIF_BASE + s->sram_size;
1028 int omap_validate_tipb_addr(struct omap_mpu_state_s *s,
1029 target_phys_addr_t addr)
1031 return addr >= 0xfffb0000 && addr < 0xffff0000;
1034 int omap_validate_local_addr(struct omap_mpu_state_s *s,
1035 target_phys_addr_t addr)
1037 return addr >= OMAP_LOCALBUS_BASE && addr < OMAP_LOCALBUS_BASE + 0x1000000;
1040 int omap_validate_tipb_mpui_addr(struct omap_mpu_state_s *s,
1041 target_phys_addr_t addr)
1043 return addr >= 0xe1010000 && addr < 0xe1020004;
1047 struct omap_mpu_timer_s {
1050 target_phys_addr_t base;
1064 static inline uint32_t omap_timer_read(struct omap_mpu_timer_s *timer)
1066 uint64_t distance = qemu_get_clock(vm_clock) - timer->time;
1068 if (timer->st && timer->enable && timer->rate)
1069 return timer->val - muldiv64(distance >> (timer->ptv + 1),
1070 timer->rate, ticks_per_sec);
1075 static inline void omap_timer_sync(struct omap_mpu_timer_s *timer)
1077 timer->val = omap_timer_read(timer);
1078 timer->time = qemu_get_clock(vm_clock);
1081 static inline void omap_timer_update(struct omap_mpu_timer_s *timer)
1085 if (timer->enable && timer->st && timer->rate) {
1086 timer->val = timer->reset_val; /* Should skip this on clk enable */
1087 expires = timer->time + muldiv64(timer->val << (timer->ptv + 1),
1088 ticks_per_sec, timer->rate);
1089 qemu_mod_timer(timer->timer, expires);
1091 qemu_del_timer(timer->timer);
1094 static void omap_timer_tick(void *opaque)
1096 struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque;
1097 omap_timer_sync(timer);
1105 qemu_irq_raise(timer->irq);
1106 omap_timer_update(timer);
1109 static void omap_timer_clk_update(void *opaque, int line, int on)
1111 struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque;
1113 omap_timer_sync(timer);
1114 timer->rate = on ? omap_clk_getrate(timer->clk) : 0;
1115 omap_timer_update(timer);
1118 static void omap_timer_clk_setup(struct omap_mpu_timer_s *timer)
1120 omap_clk_adduser(timer->clk,
1121 qemu_allocate_irqs(omap_timer_clk_update, timer, 1)[0]);
1122 timer->rate = omap_clk_getrate(timer->clk);
1125 static uint32_t omap_mpu_timer_read(void *opaque, target_phys_addr_t addr)
1127 struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque;
1128 int offset = addr - s->base;
1131 case 0x00: /* CNTL_TIMER */
1132 return (s->enable << 5) | (s->ptv << 2) | (s->ar << 1) | s->st;
1134 case 0x04: /* LOAD_TIM */
1137 case 0x08: /* READ_TIM */
1138 return omap_timer_read(s);
1145 static void omap_mpu_timer_write(void *opaque, target_phys_addr_t addr,
1148 struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque;
1149 int offset = addr - s->base;
1152 case 0x00: /* CNTL_TIMER */
1154 s->enable = (value >> 5) & 1;
1155 s->ptv = (value >> 2) & 7;
1156 s->ar = (value >> 1) & 1;
1158 omap_timer_update(s);
1161 case 0x04: /* LOAD_TIM */
1162 s->reset_val = value;
1165 case 0x08: /* READ_TIM */
1174 static CPUReadMemoryFunc *omap_mpu_timer_readfn[] = {
1175 omap_badwidth_read32,
1176 omap_badwidth_read32,
1177 omap_mpu_timer_read,
1180 static CPUWriteMemoryFunc *omap_mpu_timer_writefn[] = {
1181 omap_badwidth_write32,
1182 omap_badwidth_write32,
1183 omap_mpu_timer_write,
1186 static void omap_mpu_timer_reset(struct omap_mpu_timer_s *s)
1188 qemu_del_timer(s->timer);
1190 s->reset_val = 31337;
1198 struct omap_mpu_timer_s *omap_mpu_timer_init(target_phys_addr_t base,
1199 qemu_irq irq, omap_clk clk)
1202 struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *)
1203 qemu_mallocz(sizeof(struct omap_mpu_timer_s));
1208 s->timer = qemu_new_timer(vm_clock, omap_timer_tick, s);
1209 omap_mpu_timer_reset(s);
1210 omap_timer_clk_setup(s);
1212 iomemtype = cpu_register_io_memory(0, omap_mpu_timer_readfn,
1213 omap_mpu_timer_writefn, s);
1214 cpu_register_physical_memory(s->base, 0x100, iomemtype);
1219 /* Watchdog timer */
1220 struct omap_watchdog_timer_s {
1221 struct omap_mpu_timer_s timer;
1228 static uint32_t omap_wd_timer_read(void *opaque, target_phys_addr_t addr)
1230 struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque;
1231 int offset = addr - s->timer.base;
1234 case 0x00: /* CNTL_TIMER */
1235 return (s->timer.ptv << 9) | (s->timer.ar << 8) |
1236 (s->timer.st << 7) | (s->free << 1);
1238 case 0x04: /* READ_TIMER */
1239 return omap_timer_read(&s->timer);
1241 case 0x08: /* TIMER_MODE */
1242 return s->mode << 15;
1249 static void omap_wd_timer_write(void *opaque, target_phys_addr_t addr,
1252 struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque;
1253 int offset = addr - s->timer.base;
1256 case 0x00: /* CNTL_TIMER */
1257 omap_timer_sync(&s->timer);
1258 s->timer.ptv = (value >> 9) & 7;
1259 s->timer.ar = (value >> 8) & 1;
1260 s->timer.st = (value >> 7) & 1;
1261 s->free = (value >> 1) & 1;
1262 omap_timer_update(&s->timer);
1265 case 0x04: /* LOAD_TIMER */
1266 s->timer.reset_val = value & 0xffff;
1269 case 0x08: /* TIMER_MODE */
1270 if (!s->mode && ((value >> 15) & 1))
1271 omap_clk_get(s->timer.clk);
1272 s->mode |= (value >> 15) & 1;
1273 if (s->last_wr == 0xf5) {
1274 if ((value & 0xff) == 0xa0) {
1276 omap_clk_put(s->timer.clk);
1278 /* XXX: on T|E hardware somehow this has no effect,
1279 * on Zire 71 it works as specified. */
1281 qemu_system_reset_request();
1284 s->last_wr = value & 0xff;
1292 static CPUReadMemoryFunc *omap_wd_timer_readfn[] = {
1293 omap_badwidth_read16,
1295 omap_badwidth_read16,
1298 static CPUWriteMemoryFunc *omap_wd_timer_writefn[] = {
1299 omap_badwidth_write16,
1300 omap_wd_timer_write,
1301 omap_badwidth_write16,
1304 static void omap_wd_timer_reset(struct omap_watchdog_timer_s *s)
1306 qemu_del_timer(s->timer.timer);
1308 omap_clk_get(s->timer.clk);
1312 s->timer.enable = 1;
1313 s->timer.it_ena = 1;
1314 s->timer.reset_val = 0xffff;
1319 omap_timer_update(&s->timer);
1322 struct omap_watchdog_timer_s *omap_wd_timer_init(target_phys_addr_t base,
1323 qemu_irq irq, omap_clk clk)
1326 struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *)
1327 qemu_mallocz(sizeof(struct omap_watchdog_timer_s));
1331 s->timer.base = base;
1332 s->timer.timer = qemu_new_timer(vm_clock, omap_timer_tick, &s->timer);
1333 omap_wd_timer_reset(s);
1334 omap_timer_clk_setup(&s->timer);
1336 iomemtype = cpu_register_io_memory(0, omap_wd_timer_readfn,
1337 omap_wd_timer_writefn, s);
1338 cpu_register_physical_memory(s->timer.base, 0x100, iomemtype);
1344 struct omap_32khz_timer_s {
1345 struct omap_mpu_timer_s timer;
1348 static uint32_t omap_os_timer_read(void *opaque, target_phys_addr_t addr)
1350 struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque;
1351 int offset = addr - s->timer.base;
1354 case 0x00: /* TVR */
1355 return s->timer.reset_val;
1357 case 0x04: /* TCR */
1358 return omap_timer_read(&s->timer);
1361 return (s->timer.ar << 3) | (s->timer.it_ena << 2) | s->timer.st;
1370 static void omap_os_timer_write(void *opaque, target_phys_addr_t addr,
1373 struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque;
1374 int offset = addr - s->timer.base;
1377 case 0x00: /* TVR */
1378 s->timer.reset_val = value & 0x00ffffff;
1381 case 0x04: /* TCR */
1386 s->timer.ar = (value >> 3) & 1;
1387 s->timer.it_ena = (value >> 2) & 1;
1388 if (s->timer.st != (value & 1) || (value & 2)) {
1389 omap_timer_sync(&s->timer);
1390 s->timer.enable = value & 1;
1391 s->timer.st = value & 1;
1392 omap_timer_update(&s->timer);
1401 static CPUReadMemoryFunc *omap_os_timer_readfn[] = {
1402 omap_badwidth_read32,
1403 omap_badwidth_read32,
1407 static CPUWriteMemoryFunc *omap_os_timer_writefn[] = {
1408 omap_badwidth_write32,
1409 omap_badwidth_write32,
1410 omap_os_timer_write,
1413 static void omap_os_timer_reset(struct omap_32khz_timer_s *s)
1415 qemu_del_timer(s->timer.timer);
1416 s->timer.enable = 0;
1417 s->timer.it_ena = 0;
1418 s->timer.reset_val = 0x00ffffff;
1425 struct omap_32khz_timer_s *omap_os_timer_init(target_phys_addr_t base,
1426 qemu_irq irq, omap_clk clk)
1429 struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *)
1430 qemu_mallocz(sizeof(struct omap_32khz_timer_s));
1434 s->timer.base = base;
1435 s->timer.timer = qemu_new_timer(vm_clock, omap_timer_tick, &s->timer);
1436 omap_os_timer_reset(s);
1437 omap_timer_clk_setup(&s->timer);
1439 iomemtype = cpu_register_io_memory(0, omap_os_timer_readfn,
1440 omap_os_timer_writefn, s);
1441 cpu_register_physical_memory(s->timer.base, 0x800, iomemtype);
1446 /* Ultra Low-Power Device Module */
1447 static uint32_t omap_ulpd_pm_read(void *opaque, target_phys_addr_t addr)
1449 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
1450 int offset = addr - s->ulpd_pm_base;
1454 case 0x14: /* IT_STATUS */
1455 ret = s->ulpd_pm_regs[offset >> 2];
1456 s->ulpd_pm_regs[offset >> 2] = 0;
1457 qemu_irq_lower(s->irq[1][OMAP_INT_GAUGE_32K]);
1460 case 0x18: /* Reserved */
1461 case 0x1c: /* Reserved */
1462 case 0x20: /* Reserved */
1463 case 0x28: /* Reserved */
1464 case 0x2c: /* Reserved */
1466 case 0x00: /* COUNTER_32_LSB */
1467 case 0x04: /* COUNTER_32_MSB */
1468 case 0x08: /* COUNTER_HIGH_FREQ_LSB */
1469 case 0x0c: /* COUNTER_HIGH_FREQ_MSB */
1470 case 0x10: /* GAUGING_CTRL */
1471 case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */
1472 case 0x30: /* CLOCK_CTRL */
1473 case 0x34: /* SOFT_REQ */
1474 case 0x38: /* COUNTER_32_FIQ */
1475 case 0x3c: /* DPLL_CTRL */
1476 case 0x40: /* STATUS_REQ */
1477 /* XXX: check clk::usecount state for every clock */
1478 case 0x48: /* LOCL_TIME */
1479 case 0x4c: /* APLL_CTRL */
1480 case 0x50: /* POWER_CTRL */
1481 return s->ulpd_pm_regs[offset >> 2];
1488 static inline void omap_ulpd_clk_update(struct omap_mpu_state_s *s,
1489 uint16_t diff, uint16_t value)
1491 if (diff & (1 << 4)) /* USB_MCLK_EN */
1492 omap_clk_onoff(omap_findclk(s, "usb_clk0"), (value >> 4) & 1);
1493 if (diff & (1 << 5)) /* DIS_USB_PVCI_CLK */
1494 omap_clk_onoff(omap_findclk(s, "usb_w2fc_ck"), (~value >> 5) & 1);
1497 static inline void omap_ulpd_req_update(struct omap_mpu_state_s *s,
1498 uint16_t diff, uint16_t value)
1500 if (diff & (1 << 0)) /* SOFT_DPLL_REQ */
1501 omap_clk_canidle(omap_findclk(s, "dpll4"), (~value >> 0) & 1);
1502 if (diff & (1 << 1)) /* SOFT_COM_REQ */
1503 omap_clk_canidle(omap_findclk(s, "com_mclk_out"), (~value >> 1) & 1);
1504 if (diff & (1 << 2)) /* SOFT_SDW_REQ */
1505 omap_clk_canidle(omap_findclk(s, "bt_mclk_out"), (~value >> 2) & 1);
1506 if (diff & (1 << 3)) /* SOFT_USB_REQ */
1507 omap_clk_canidle(omap_findclk(s, "usb_clk0"), (~value >> 3) & 1);
1510 static void omap_ulpd_pm_write(void *opaque, target_phys_addr_t addr,
1513 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
1514 int offset = addr - s->ulpd_pm_base;
1517 static const int bypass_div[4] = { 1, 2, 4, 4 };
1521 case 0x00: /* COUNTER_32_LSB */
1522 case 0x04: /* COUNTER_32_MSB */
1523 case 0x08: /* COUNTER_HIGH_FREQ_LSB */
1524 case 0x0c: /* COUNTER_HIGH_FREQ_MSB */
1525 case 0x14: /* IT_STATUS */
1526 case 0x40: /* STATUS_REQ */
1530 case 0x10: /* GAUGING_CTRL */
1531 /* Bits 0 and 1 seem to be confused in the OMAP 310 TRM */
1532 if ((s->ulpd_pm_regs[offset >> 2] ^ value) & 1) {
1533 now = qemu_get_clock(vm_clock);
1536 s->ulpd_gauge_start = now;
1538 now -= s->ulpd_gauge_start;
1541 ticks = muldiv64(now, 32768, ticks_per_sec);
1542 s->ulpd_pm_regs[0x00 >> 2] = (ticks >> 0) & 0xffff;
1543 s->ulpd_pm_regs[0x04 >> 2] = (ticks >> 16) & 0xffff;
1544 if (ticks >> 32) /* OVERFLOW_32K */
1545 s->ulpd_pm_regs[0x14 >> 2] |= 1 << 2;
1547 /* High frequency ticks */
1548 ticks = muldiv64(now, 12000000, ticks_per_sec);
1549 s->ulpd_pm_regs[0x08 >> 2] = (ticks >> 0) & 0xffff;
1550 s->ulpd_pm_regs[0x0c >> 2] = (ticks >> 16) & 0xffff;
1551 if (ticks >> 32) /* OVERFLOW_HI_FREQ */
1552 s->ulpd_pm_regs[0x14 >> 2] |= 1 << 1;
1554 s->ulpd_pm_regs[0x14 >> 2] |= 1 << 0; /* IT_GAUGING */
1555 qemu_irq_raise(s->irq[1][OMAP_INT_GAUGE_32K]);
1558 s->ulpd_pm_regs[offset >> 2] = value;
1561 case 0x18: /* Reserved */
1562 case 0x1c: /* Reserved */
1563 case 0x20: /* Reserved */
1564 case 0x28: /* Reserved */
1565 case 0x2c: /* Reserved */
1567 case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */
1568 case 0x38: /* COUNTER_32_FIQ */
1569 case 0x48: /* LOCL_TIME */
1570 case 0x50: /* POWER_CTRL */
1571 s->ulpd_pm_regs[offset >> 2] = value;
1574 case 0x30: /* CLOCK_CTRL */
1575 diff = s->ulpd_pm_regs[offset >> 2] ^ value;
1576 s->ulpd_pm_regs[offset >> 2] = value & 0x3f;
1577 omap_ulpd_clk_update(s, diff, value);
1580 case 0x34: /* SOFT_REQ */
1581 diff = s->ulpd_pm_regs[offset >> 2] ^ value;
1582 s->ulpd_pm_regs[offset >> 2] = value & 0x1f;
1583 omap_ulpd_req_update(s, diff, value);
1586 case 0x3c: /* DPLL_CTRL */
1587 /* XXX: OMAP310 TRM claims bit 3 is PLL_ENABLE, and bit 4 is
1588 * omitted altogether, probably a typo. */
1589 /* This register has identical semantics with DPLL(1:3) control
1590 * registers, see omap_dpll_write() */
1591 diff = s->ulpd_pm_regs[offset >> 2] & value;
1592 s->ulpd_pm_regs[offset >> 2] = value & 0x2fff;
1593 if (diff & (0x3ff << 2)) {
1594 if (value & (1 << 4)) { /* PLL_ENABLE */
1595 div = ((value >> 5) & 3) + 1; /* PLL_DIV */
1596 mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */
1598 div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */
1601 omap_clk_setrate(omap_findclk(s, "dpll4"), div, mult);
1604 /* Enter the desired mode. */
1605 s->ulpd_pm_regs[offset >> 2] =
1606 (s->ulpd_pm_regs[offset >> 2] & 0xfffe) |
1607 ((s->ulpd_pm_regs[offset >> 2] >> 4) & 1);
1609 /* Act as if the lock is restored. */
1610 s->ulpd_pm_regs[offset >> 2] |= 2;
1613 case 0x4c: /* APLL_CTRL */
1614 diff = s->ulpd_pm_regs[offset >> 2] & value;
1615 s->ulpd_pm_regs[offset >> 2] = value & 0xf;
1616 if (diff & (1 << 0)) /* APLL_NDPLL_SWITCH */
1617 omap_clk_reparent(omap_findclk(s, "ck_48m"), omap_findclk(s,
1618 (value & (1 << 0)) ? "apll" : "dpll4"));
1626 static CPUReadMemoryFunc *omap_ulpd_pm_readfn[] = {
1627 omap_badwidth_read16,
1629 omap_badwidth_read16,
1632 static CPUWriteMemoryFunc *omap_ulpd_pm_writefn[] = {
1633 omap_badwidth_write16,
1635 omap_badwidth_write16,
1638 static void omap_ulpd_pm_reset(struct omap_mpu_state_s *mpu)
1640 mpu->ulpd_pm_regs[0x00 >> 2] = 0x0001;
1641 mpu->ulpd_pm_regs[0x04 >> 2] = 0x0000;
1642 mpu->ulpd_pm_regs[0x08 >> 2] = 0x0001;
1643 mpu->ulpd_pm_regs[0x0c >> 2] = 0x0000;
1644 mpu->ulpd_pm_regs[0x10 >> 2] = 0x0000;
1645 mpu->ulpd_pm_regs[0x18 >> 2] = 0x01;
1646 mpu->ulpd_pm_regs[0x1c >> 2] = 0x01;
1647 mpu->ulpd_pm_regs[0x20 >> 2] = 0x01;
1648 mpu->ulpd_pm_regs[0x24 >> 2] = 0x03ff;
1649 mpu->ulpd_pm_regs[0x28 >> 2] = 0x01;
1650 mpu->ulpd_pm_regs[0x2c >> 2] = 0x01;
1651 omap_ulpd_clk_update(mpu, mpu->ulpd_pm_regs[0x30 >> 2], 0x0000);
1652 mpu->ulpd_pm_regs[0x30 >> 2] = 0x0000;
1653 omap_ulpd_req_update(mpu, mpu->ulpd_pm_regs[0x34 >> 2], 0x0000);
1654 mpu->ulpd_pm_regs[0x34 >> 2] = 0x0000;
1655 mpu->ulpd_pm_regs[0x38 >> 2] = 0x0001;
1656 mpu->ulpd_pm_regs[0x3c >> 2] = 0x2211;
1657 mpu->ulpd_pm_regs[0x40 >> 2] = 0x0000; /* FIXME: dump a real STATUS_REQ */
1658 mpu->ulpd_pm_regs[0x48 >> 2] = 0x960;
1659 mpu->ulpd_pm_regs[0x4c >> 2] = 0x08;
1660 mpu->ulpd_pm_regs[0x50 >> 2] = 0x08;
1661 omap_clk_setrate(omap_findclk(mpu, "dpll4"), 1, 4);
1662 omap_clk_reparent(omap_findclk(mpu, "ck_48m"), omap_findclk(mpu, "dpll4"));
1665 static void omap_ulpd_pm_init(target_phys_addr_t base,
1666 struct omap_mpu_state_s *mpu)
1668 int iomemtype = cpu_register_io_memory(0, omap_ulpd_pm_readfn,
1669 omap_ulpd_pm_writefn, mpu);
1671 mpu->ulpd_pm_base = base;
1672 cpu_register_physical_memory(mpu->ulpd_pm_base, 0x800, iomemtype);
1673 omap_ulpd_pm_reset(mpu);
1676 /* OMAP Pin Configuration */
1677 static uint32_t omap_pin_cfg_read(void *opaque, target_phys_addr_t addr)
1679 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
1680 int offset = addr - s->pin_cfg_base;
1683 case 0x00: /* FUNC_MUX_CTRL_0 */
1684 case 0x04: /* FUNC_MUX_CTRL_1 */
1685 case 0x08: /* FUNC_MUX_CTRL_2 */
1686 return s->func_mux_ctrl[offset >> 2];
1688 case 0x0c: /* COMP_MODE_CTRL_0 */
1689 return s->comp_mode_ctrl[0];
1691 case 0x10: /* FUNC_MUX_CTRL_3 */
1692 case 0x14: /* FUNC_MUX_CTRL_4 */
1693 case 0x18: /* FUNC_MUX_CTRL_5 */
1694 case 0x1c: /* FUNC_MUX_CTRL_6 */
1695 case 0x20: /* FUNC_MUX_CTRL_7 */
1696 case 0x24: /* FUNC_MUX_CTRL_8 */
1697 case 0x28: /* FUNC_MUX_CTRL_9 */
1698 case 0x2c: /* FUNC_MUX_CTRL_A */
1699 case 0x30: /* FUNC_MUX_CTRL_B */
1700 case 0x34: /* FUNC_MUX_CTRL_C */
1701 case 0x38: /* FUNC_MUX_CTRL_D */
1702 return s->func_mux_ctrl[(offset >> 2) - 1];
1704 case 0x40: /* PULL_DWN_CTRL_0 */
1705 case 0x44: /* PULL_DWN_CTRL_1 */
1706 case 0x48: /* PULL_DWN_CTRL_2 */
1707 case 0x4c: /* PULL_DWN_CTRL_3 */
1708 return s->pull_dwn_ctrl[(offset & 0xf) >> 2];
1710 case 0x50: /* GATE_INH_CTRL_0 */
1711 return s->gate_inh_ctrl[0];
1713 case 0x60: /* VOLTAGE_CTRL_0 */
1714 return s->voltage_ctrl[0];
1716 case 0x70: /* TEST_DBG_CTRL_0 */
1717 return s->test_dbg_ctrl[0];
1719 case 0x80: /* MOD_CONF_CTRL_0 */
1720 return s->mod_conf_ctrl[0];
1727 static inline void omap_pin_funcmux0_update(struct omap_mpu_state_s *s,
1728 uint32_t diff, uint32_t value)
1730 if (s->compat1509) {
1731 if (diff & (1 << 9)) /* BLUETOOTH */
1732 omap_clk_onoff(omap_findclk(s, "bt_mclk_out"),
1734 if (diff & (1 << 7)) /* USB.CLKO */
1735 omap_clk_onoff(omap_findclk(s, "usb.clko"),
1740 static inline void omap_pin_funcmux1_update(struct omap_mpu_state_s *s,
1741 uint32_t diff, uint32_t value)
1743 if (s->compat1509) {
1744 if (diff & (1 << 31)) /* MCBSP3_CLK_HIZ_DI */
1745 omap_clk_onoff(omap_findclk(s, "mcbsp3.clkx"),
1747 if (diff & (1 << 1)) /* CLK32K */
1748 omap_clk_onoff(omap_findclk(s, "clk32k_out"),
1753 static inline void omap_pin_modconf1_update(struct omap_mpu_state_s *s,
1754 uint32_t diff, uint32_t value)
1756 if (diff & (1 << 31)) /* CONF_MOD_UART3_CLK_MODE_R */
1757 omap_clk_reparent(omap_findclk(s, "uart3_ck"),
1758 omap_findclk(s, ((value >> 31) & 1) ?
1759 "ck_48m" : "armper_ck"));
1760 if (diff & (1 << 30)) /* CONF_MOD_UART2_CLK_MODE_R */
1761 omap_clk_reparent(omap_findclk(s, "uart2_ck"),
1762 omap_findclk(s, ((value >> 30) & 1) ?
1763 "ck_48m" : "armper_ck"));
1764 if (diff & (1 << 29)) /* CONF_MOD_UART1_CLK_MODE_R */
1765 omap_clk_reparent(omap_findclk(s, "uart1_ck"),
1766 omap_findclk(s, ((value >> 29) & 1) ?
1767 "ck_48m" : "armper_ck"));
1768 if (diff & (1 << 23)) /* CONF_MOD_MMC_SD_CLK_REQ_R */
1769 omap_clk_reparent(omap_findclk(s, "mmc_ck"),
1770 omap_findclk(s, ((value >> 23) & 1) ?
1771 "ck_48m" : "armper_ck"));
1772 if (diff & (1 << 12)) /* CONF_MOD_COM_MCLK_12_48_S */
1773 omap_clk_reparent(omap_findclk(s, "com_mclk_out"),
1774 omap_findclk(s, ((value >> 12) & 1) ?
1775 "ck_48m" : "armper_ck"));
1776 if (diff & (1 << 9)) /* CONF_MOD_USB_HOST_HHC_UHO */
1777 omap_clk_onoff(omap_findclk(s, "usb_hhc_ck"), (value >> 9) & 1);
1780 static void omap_pin_cfg_write(void *opaque, target_phys_addr_t addr,
1783 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
1784 int offset = addr - s->pin_cfg_base;
1788 case 0x00: /* FUNC_MUX_CTRL_0 */
1789 diff = s->func_mux_ctrl[offset >> 2] ^ value;
1790 s->func_mux_ctrl[offset >> 2] = value;
1791 omap_pin_funcmux0_update(s, diff, value);
1794 case 0x04: /* FUNC_MUX_CTRL_1 */
1795 diff = s->func_mux_ctrl[offset >> 2] ^ value;
1796 s->func_mux_ctrl[offset >> 2] = value;
1797 omap_pin_funcmux1_update(s, diff, value);
1800 case 0x08: /* FUNC_MUX_CTRL_2 */
1801 s->func_mux_ctrl[offset >> 2] = value;
1804 case 0x0c: /* COMP_MODE_CTRL_0 */
1805 s->comp_mode_ctrl[0] = value;
1806 s->compat1509 = (value != 0x0000eaef);
1807 omap_pin_funcmux0_update(s, ~0, s->func_mux_ctrl[0]);
1808 omap_pin_funcmux1_update(s, ~0, s->func_mux_ctrl[1]);
1811 case 0x10: /* FUNC_MUX_CTRL_3 */
1812 case 0x14: /* FUNC_MUX_CTRL_4 */
1813 case 0x18: /* FUNC_MUX_CTRL_5 */
1814 case 0x1c: /* FUNC_MUX_CTRL_6 */
1815 case 0x20: /* FUNC_MUX_CTRL_7 */
1816 case 0x24: /* FUNC_MUX_CTRL_8 */
1817 case 0x28: /* FUNC_MUX_CTRL_9 */
1818 case 0x2c: /* FUNC_MUX_CTRL_A */
1819 case 0x30: /* FUNC_MUX_CTRL_B */
1820 case 0x34: /* FUNC_MUX_CTRL_C */
1821 case 0x38: /* FUNC_MUX_CTRL_D */
1822 s->func_mux_ctrl[(offset >> 2) - 1] = value;
1825 case 0x40: /* PULL_DWN_CTRL_0 */
1826 case 0x44: /* PULL_DWN_CTRL_1 */
1827 case 0x48: /* PULL_DWN_CTRL_2 */
1828 case 0x4c: /* PULL_DWN_CTRL_3 */
1829 s->pull_dwn_ctrl[(offset & 0xf) >> 2] = value;
1832 case 0x50: /* GATE_INH_CTRL_0 */
1833 s->gate_inh_ctrl[0] = value;
1836 case 0x60: /* VOLTAGE_CTRL_0 */
1837 s->voltage_ctrl[0] = value;
1840 case 0x70: /* TEST_DBG_CTRL_0 */
1841 s->test_dbg_ctrl[0] = value;
1844 case 0x80: /* MOD_CONF_CTRL_0 */
1845 diff = s->mod_conf_ctrl[0] ^ value;
1846 s->mod_conf_ctrl[0] = value;
1847 omap_pin_modconf1_update(s, diff, value);
1855 static CPUReadMemoryFunc *omap_pin_cfg_readfn[] = {
1856 omap_badwidth_read32,
1857 omap_badwidth_read32,
1861 static CPUWriteMemoryFunc *omap_pin_cfg_writefn[] = {
1862 omap_badwidth_write32,
1863 omap_badwidth_write32,
1867 static void omap_pin_cfg_reset(struct omap_mpu_state_s *mpu)
1869 /* Start in Compatibility Mode. */
1870 mpu->compat1509 = 1;
1871 omap_pin_funcmux0_update(mpu, mpu->func_mux_ctrl[0], 0);
1872 omap_pin_funcmux1_update(mpu, mpu->func_mux_ctrl[1], 0);
1873 omap_pin_modconf1_update(mpu, mpu->mod_conf_ctrl[0], 0);
1874 memset(mpu->func_mux_ctrl, 0, sizeof(mpu->func_mux_ctrl));
1875 memset(mpu->comp_mode_ctrl, 0, sizeof(mpu->comp_mode_ctrl));
1876 memset(mpu->pull_dwn_ctrl, 0, sizeof(mpu->pull_dwn_ctrl));
1877 memset(mpu->gate_inh_ctrl, 0, sizeof(mpu->gate_inh_ctrl));
1878 memset(mpu->voltage_ctrl, 0, sizeof(mpu->voltage_ctrl));
1879 memset(mpu->test_dbg_ctrl, 0, sizeof(mpu->test_dbg_ctrl));
1880 memset(mpu->mod_conf_ctrl, 0, sizeof(mpu->mod_conf_ctrl));
1883 static void omap_pin_cfg_init(target_phys_addr_t base,
1884 struct omap_mpu_state_s *mpu)
1886 int iomemtype = cpu_register_io_memory(0, omap_pin_cfg_readfn,
1887 omap_pin_cfg_writefn, mpu);
1889 mpu->pin_cfg_base = base;
1890 cpu_register_physical_memory(mpu->pin_cfg_base, 0x800, iomemtype);
1891 omap_pin_cfg_reset(mpu);
1894 /* Device Identification, Die Identification */
1895 static uint32_t omap_id_read(void *opaque, target_phys_addr_t addr)
1897 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
1900 case 0xfffe1800: /* DIE_ID_LSB */
1902 case 0xfffe1804: /* DIE_ID_MSB */
1905 case 0xfffe2000: /* PRODUCT_ID_LSB */
1907 case 0xfffe2004: /* PRODUCT_ID_MSB */
1910 case 0xfffed400: /* JTAG_ID_LSB */
1911 switch (s->mpu_model) {
1919 case 0xfffed404: /* JTAG_ID_MSB */
1920 switch (s->mpu_model) {
1933 static void omap_id_write(void *opaque, target_phys_addr_t addr,
1939 static CPUReadMemoryFunc *omap_id_readfn[] = {
1940 omap_badwidth_read32,
1941 omap_badwidth_read32,
1945 static CPUWriteMemoryFunc *omap_id_writefn[] = {
1946 omap_badwidth_write32,
1947 omap_badwidth_write32,
1951 static void omap_id_init(struct omap_mpu_state_s *mpu)
1953 int iomemtype = cpu_register_io_memory(0, omap_id_readfn,
1954 omap_id_writefn, mpu);
1955 cpu_register_physical_memory(0xfffe1800, 0x800, iomemtype);
1956 cpu_register_physical_memory(0xfffed400, 0x100, iomemtype);
1957 if (!cpu_is_omap15xx(mpu))
1958 cpu_register_physical_memory(0xfffe2000, 0x800, iomemtype);
1961 /* MPUI Control (Dummy) */
1962 static uint32_t omap_mpui_read(void *opaque, target_phys_addr_t addr)
1964 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
1965 int offset = addr - s->mpui_base;
1968 case 0x00: /* CTRL */
1969 return s->mpui_ctrl;
1970 case 0x04: /* DEBUG_ADDR */
1972 case 0x08: /* DEBUG_DATA */
1974 case 0x0c: /* DEBUG_FLAG */
1976 case 0x10: /* STATUS */
1979 /* Not in OMAP310 */
1980 case 0x14: /* DSP_STATUS */
1981 case 0x18: /* DSP_BOOT_CONFIG */
1983 case 0x1c: /* DSP_MPUI_CONFIG */
1991 static void omap_mpui_write(void *opaque, target_phys_addr_t addr,
1994 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
1995 int offset = addr - s->mpui_base;
1998 case 0x00: /* CTRL */
1999 s->mpui_ctrl = value & 0x007fffff;
2002 case 0x04: /* DEBUG_ADDR */
2003 case 0x08: /* DEBUG_DATA */
2004 case 0x0c: /* DEBUG_FLAG */
2005 case 0x10: /* STATUS */
2006 /* Not in OMAP310 */
2007 case 0x14: /* DSP_STATUS */
2009 case 0x18: /* DSP_BOOT_CONFIG */
2010 case 0x1c: /* DSP_MPUI_CONFIG */
2018 static CPUReadMemoryFunc *omap_mpui_readfn[] = {
2019 omap_badwidth_read32,
2020 omap_badwidth_read32,
2024 static CPUWriteMemoryFunc *omap_mpui_writefn[] = {
2025 omap_badwidth_write32,
2026 omap_badwidth_write32,
2030 static void omap_mpui_reset(struct omap_mpu_state_s *s)
2032 s->mpui_ctrl = 0x0003ff1b;
2035 static void omap_mpui_init(target_phys_addr_t base,
2036 struct omap_mpu_state_s *mpu)
2038 int iomemtype = cpu_register_io_memory(0, omap_mpui_readfn,
2039 omap_mpui_writefn, mpu);
2041 mpu->mpui_base = base;
2042 cpu_register_physical_memory(mpu->mpui_base, 0x100, iomemtype);
2044 omap_mpui_reset(mpu);
2048 struct omap_tipb_bridge_s {
2049 target_phys_addr_t base;
2056 uint16_t enh_control;
2059 static uint32_t omap_tipb_bridge_read(void *opaque, target_phys_addr_t addr)
2061 struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque;
2062 int offset = addr - s->base;
2065 case 0x00: /* TIPB_CNTL */
2067 case 0x04: /* TIPB_BUS_ALLOC */
2069 case 0x08: /* MPU_TIPB_CNTL */
2071 case 0x0c: /* ENHANCED_TIPB_CNTL */
2072 return s->enh_control;
2073 case 0x10: /* ADDRESS_DBG */
2074 case 0x14: /* DATA_DEBUG_LOW */
2075 case 0x18: /* DATA_DEBUG_HIGH */
2077 case 0x1c: /* DEBUG_CNTR_SIG */
2085 static void omap_tipb_bridge_write(void *opaque, target_phys_addr_t addr,
2088 struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque;
2089 int offset = addr - s->base;
2092 case 0x00: /* TIPB_CNTL */
2093 s->control = value & 0xffff;
2096 case 0x04: /* TIPB_BUS_ALLOC */
2097 s->alloc = value & 0x003f;
2100 case 0x08: /* MPU_TIPB_CNTL */
2101 s->buffer = value & 0x0003;
2104 case 0x0c: /* ENHANCED_TIPB_CNTL */
2105 s->width_intr = !(value & 2);
2106 s->enh_control = value & 0x000f;
2109 case 0x10: /* ADDRESS_DBG */
2110 case 0x14: /* DATA_DEBUG_LOW */
2111 case 0x18: /* DATA_DEBUG_HIGH */
2112 case 0x1c: /* DEBUG_CNTR_SIG */
2121 static CPUReadMemoryFunc *omap_tipb_bridge_readfn[] = {
2122 omap_badwidth_read16,
2123 omap_tipb_bridge_read,
2124 omap_tipb_bridge_read,
2127 static CPUWriteMemoryFunc *omap_tipb_bridge_writefn[] = {
2128 omap_badwidth_write16,
2129 omap_tipb_bridge_write,
2130 omap_tipb_bridge_write,
2133 static void omap_tipb_bridge_reset(struct omap_tipb_bridge_s *s)
2135 s->control = 0xffff;
2138 s->enh_control = 0x000f;
2141 struct omap_tipb_bridge_s *omap_tipb_bridge_init(target_phys_addr_t base,
2142 qemu_irq abort_irq, omap_clk clk)
2145 struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *)
2146 qemu_mallocz(sizeof(struct omap_tipb_bridge_s));
2148 s->abort = abort_irq;
2150 omap_tipb_bridge_reset(s);
2152 iomemtype = cpu_register_io_memory(0, omap_tipb_bridge_readfn,
2153 omap_tipb_bridge_writefn, s);
2154 cpu_register_physical_memory(s->base, 0x100, iomemtype);
2159 /* Dummy Traffic Controller's Memory Interface */
2160 static uint32_t omap_tcmi_read(void *opaque, target_phys_addr_t addr)
2162 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
2163 int offset = addr - s->tcmi_base;
2167 case 0xfffecc00: /* IMIF_PRIO */
2168 case 0xfffecc04: /* EMIFS_PRIO */
2169 case 0xfffecc08: /* EMIFF_PRIO */
2170 case 0xfffecc0c: /* EMIFS_CONFIG */
2171 case 0xfffecc10: /* EMIFS_CS0_CONFIG */
2172 case 0xfffecc14: /* EMIFS_CS1_CONFIG */
2173 case 0xfffecc18: /* EMIFS_CS2_CONFIG */
2174 case 0xfffecc1c: /* EMIFS_CS3_CONFIG */
2175 case 0xfffecc24: /* EMIFF_MRS */
2176 case 0xfffecc28: /* TIMEOUT1 */
2177 case 0xfffecc2c: /* TIMEOUT2 */
2178 case 0xfffecc30: /* TIMEOUT3 */
2179 case 0xfffecc3c: /* EMIFF_SDRAM_CONFIG_2 */
2180 case 0xfffecc40: /* EMIFS_CFG_DYN_WAIT */
2181 return s->tcmi_regs[offset >> 2];
2183 case 0xfffecc20: /* EMIFF_SDRAM_CONFIG */
2184 ret = s->tcmi_regs[offset >> 2];
2185 s->tcmi_regs[offset >> 2] &= ~1; /* XXX: Clear SLRF on SDRAM access */
2186 /* XXX: We can try using the VGA_DIRTY flag for this */
2194 static void omap_tcmi_write(void *opaque, target_phys_addr_t addr,
2197 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
2198 int offset = addr - s->tcmi_base;
2201 case 0xfffecc00: /* IMIF_PRIO */
2202 case 0xfffecc04: /* EMIFS_PRIO */
2203 case 0xfffecc08: /* EMIFF_PRIO */
2204 case 0xfffecc10: /* EMIFS_CS0_CONFIG */
2205 case 0xfffecc14: /* EMIFS_CS1_CONFIG */
2206 case 0xfffecc18: /* EMIFS_CS2_CONFIG */
2207 case 0xfffecc1c: /* EMIFS_CS3_CONFIG */
2208 case 0xfffecc20: /* EMIFF_SDRAM_CONFIG */
2209 case 0xfffecc24: /* EMIFF_MRS */
2210 case 0xfffecc28: /* TIMEOUT1 */
2211 case 0xfffecc2c: /* TIMEOUT2 */
2212 case 0xfffecc30: /* TIMEOUT3 */
2213 case 0xfffecc3c: /* EMIFF_SDRAM_CONFIG_2 */
2214 case 0xfffecc40: /* EMIFS_CFG_DYN_WAIT */
2215 s->tcmi_regs[offset >> 2] = value;
2217 case 0xfffecc0c: /* EMIFS_CONFIG */
2218 s->tcmi_regs[offset >> 2] = (value & 0xf) | (1 << 4);
2226 static CPUReadMemoryFunc *omap_tcmi_readfn[] = {
2227 omap_badwidth_read32,
2228 omap_badwidth_read32,
2232 static CPUWriteMemoryFunc *omap_tcmi_writefn[] = {
2233 omap_badwidth_write32,
2234 omap_badwidth_write32,
2238 static void omap_tcmi_reset(struct omap_mpu_state_s *mpu)
2240 mpu->tcmi_regs[0x00 >> 2] = 0x00000000;
2241 mpu->tcmi_regs[0x04 >> 2] = 0x00000000;
2242 mpu->tcmi_regs[0x08 >> 2] = 0x00000000;
2243 mpu->tcmi_regs[0x0c >> 2] = 0x00000010;
2244 mpu->tcmi_regs[0x10 >> 2] = 0x0010fffb;
2245 mpu->tcmi_regs[0x14 >> 2] = 0x0010fffb;
2246 mpu->tcmi_regs[0x18 >> 2] = 0x0010fffb;
2247 mpu->tcmi_regs[0x1c >> 2] = 0x0010fffb;
2248 mpu->tcmi_regs[0x20 >> 2] = 0x00618800;
2249 mpu->tcmi_regs[0x24 >> 2] = 0x00000037;
2250 mpu->tcmi_regs[0x28 >> 2] = 0x00000000;
2251 mpu->tcmi_regs[0x2c >> 2] = 0x00000000;
2252 mpu->tcmi_regs[0x30 >> 2] = 0x00000000;
2253 mpu->tcmi_regs[0x3c >> 2] = 0x00000003;
2254 mpu->tcmi_regs[0x40 >> 2] = 0x00000000;
2257 static void omap_tcmi_init(target_phys_addr_t base,
2258 struct omap_mpu_state_s *mpu)
2260 int iomemtype = cpu_register_io_memory(0, omap_tcmi_readfn,
2261 omap_tcmi_writefn, mpu);
2263 mpu->tcmi_base = base;
2264 cpu_register_physical_memory(mpu->tcmi_base, 0x100, iomemtype);
2265 omap_tcmi_reset(mpu);
2268 /* Digital phase-locked loops control */
2269 static uint32_t omap_dpll_read(void *opaque, target_phys_addr_t addr)
2271 struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque;
2272 int offset = addr - s->base;
2274 if (offset == 0x00) /* CTL_REG */
2281 static void omap_dpll_write(void *opaque, target_phys_addr_t addr,
2284 struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque;
2286 int offset = addr - s->base;
2287 static const int bypass_div[4] = { 1, 2, 4, 4 };
2290 if (offset == 0x00) { /* CTL_REG */
2291 /* See omap_ulpd_pm_write() too */
2292 diff = s->mode & value;
2293 s->mode = value & 0x2fff;
2294 if (diff & (0x3ff << 2)) {
2295 if (value & (1 << 4)) { /* PLL_ENABLE */
2296 div = ((value >> 5) & 3) + 1; /* PLL_DIV */
2297 mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */
2299 div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */
2302 omap_clk_setrate(s->dpll, div, mult);
2305 /* Enter the desired mode. */
2306 s->mode = (s->mode & 0xfffe) | ((s->mode >> 4) & 1);
2308 /* Act as if the lock is restored. */
2315 static CPUReadMemoryFunc *omap_dpll_readfn[] = {
2316 omap_badwidth_read16,
2318 omap_badwidth_read16,
2321 static CPUWriteMemoryFunc *omap_dpll_writefn[] = {
2322 omap_badwidth_write16,
2324 omap_badwidth_write16,
2327 static void omap_dpll_reset(struct dpll_ctl_s *s)
2330 omap_clk_setrate(s->dpll, 1, 1);
2333 static void omap_dpll_init(struct dpll_ctl_s *s, target_phys_addr_t base,
2336 int iomemtype = cpu_register_io_memory(0, omap_dpll_readfn,
2337 omap_dpll_writefn, s);
2343 cpu_register_physical_memory(s->base, 0x100, iomemtype);
2347 struct omap_uart_s {
2348 SerialState *serial; /* TODO */
2351 static void omap_uart_reset(struct omap_uart_s *s)
2355 struct omap_uart_s *omap_uart_init(target_phys_addr_t base,
2356 qemu_irq irq, omap_clk clk, CharDriverState *chr)
2358 struct omap_uart_s *s = (struct omap_uart_s *)
2359 qemu_mallocz(sizeof(struct omap_uart_s));
2361 s->serial = serial_mm_init(base, 2, irq, chr, 1);
2365 /* MPU Clock/Reset/Power Mode Control */
2366 static uint32_t omap_clkm_read(void *opaque, target_phys_addr_t addr)
2368 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
2369 int offset = addr - s->clkm.mpu_base;
2372 case 0x00: /* ARM_CKCTL */
2373 return s->clkm.arm_ckctl;
2375 case 0x04: /* ARM_IDLECT1 */
2376 return s->clkm.arm_idlect1;
2378 case 0x08: /* ARM_IDLECT2 */
2379 return s->clkm.arm_idlect2;
2381 case 0x0c: /* ARM_EWUPCT */
2382 return s->clkm.arm_ewupct;
2384 case 0x10: /* ARM_RSTCT1 */
2385 return s->clkm.arm_rstct1;
2387 case 0x14: /* ARM_RSTCT2 */
2388 return s->clkm.arm_rstct2;
2390 case 0x18: /* ARM_SYSST */
2391 return (s->clkm.clocking_scheme < 11) | s->clkm.cold_start;
2393 case 0x1c: /* ARM_CKOUT1 */
2394 return s->clkm.arm_ckout1;
2396 case 0x20: /* ARM_CKOUT2 */
2404 static inline void omap_clkm_ckctl_update(struct omap_mpu_state_s *s,
2405 uint16_t diff, uint16_t value)
2409 if (diff & (1 << 14)) { /* ARM_INTHCK_SEL */
2410 if (value & (1 << 14))
2413 clk = omap_findclk(s, "arminth_ck");
2414 omap_clk_reparent(clk, omap_findclk(s, "tc_ck"));
2417 if (diff & (1 << 12)) { /* ARM_TIMXO */
2418 clk = omap_findclk(s, "armtim_ck");
2419 if (value & (1 << 12))
2420 omap_clk_reparent(clk, omap_findclk(s, "clkin"));
2422 omap_clk_reparent(clk, omap_findclk(s, "ck_gen1"));
2425 if (diff & (3 << 10)) { /* DSPMMUDIV */
2426 clk = omap_findclk(s, "dspmmu_ck");
2427 omap_clk_setrate(clk, 1 << ((value >> 10) & 3), 1);
2429 if (diff & (3 << 8)) { /* TCDIV */
2430 clk = omap_findclk(s, "tc_ck");
2431 omap_clk_setrate(clk, 1 << ((value >> 8) & 3), 1);
2433 if (diff & (3 << 6)) { /* DSPDIV */
2434 clk = omap_findclk(s, "dsp_ck");
2435 omap_clk_setrate(clk, 1 << ((value >> 6) & 3), 1);
2437 if (diff & (3 << 4)) { /* ARMDIV */
2438 clk = omap_findclk(s, "arm_ck");
2439 omap_clk_setrate(clk, 1 << ((value >> 4) & 3), 1);
2441 if (diff & (3 << 2)) { /* LCDDIV */
2442 clk = omap_findclk(s, "lcd_ck");
2443 omap_clk_setrate(clk, 1 << ((value >> 2) & 3), 1);
2445 if (diff & (3 << 0)) { /* PERDIV */
2446 clk = omap_findclk(s, "armper_ck");
2447 omap_clk_setrate(clk, 1 << ((value >> 0) & 3), 1);
2451 static inline void omap_clkm_idlect1_update(struct omap_mpu_state_s *s,
2452 uint16_t diff, uint16_t value)
2456 if (value & (1 << 11)) /* SETARM_IDLE */
2457 cpu_interrupt(s->env, CPU_INTERRUPT_HALT);
2458 if (!(value & (1 << 10))) /* WKUP_MODE */
2459 qemu_system_shutdown_request(); /* XXX: disable wakeup from IRQ */
2461 #define SET_CANIDLE(clock, bit) \
2462 if (diff & (1 << bit)) { \
2463 clk = omap_findclk(s, clock); \
2464 omap_clk_canidle(clk, (value >> bit) & 1); \
2466 SET_CANIDLE("mpuwd_ck", 0) /* IDLWDT_ARM */
2467 SET_CANIDLE("armxor_ck", 1) /* IDLXORP_ARM */
2468 SET_CANIDLE("mpuper_ck", 2) /* IDLPER_ARM */
2469 SET_CANIDLE("lcd_ck", 3) /* IDLLCD_ARM */
2470 SET_CANIDLE("lb_ck", 4) /* IDLLB_ARM */
2471 SET_CANIDLE("hsab_ck", 5) /* IDLHSAB_ARM */
2472 SET_CANIDLE("tipb_ck", 6) /* IDLIF_ARM */
2473 SET_CANIDLE("dma_ck", 6) /* IDLIF_ARM */
2474 SET_CANIDLE("tc_ck", 6) /* IDLIF_ARM */
2475 SET_CANIDLE("dpll1", 7) /* IDLDPLL_ARM */
2476 SET_CANIDLE("dpll2", 7) /* IDLDPLL_ARM */
2477 SET_CANIDLE("dpll3", 7) /* IDLDPLL_ARM */
2478 SET_CANIDLE("mpui_ck", 8) /* IDLAPI_ARM */
2479 SET_CANIDLE("armtim_ck", 9) /* IDLTIM_ARM */
2482 static inline void omap_clkm_idlect2_update(struct omap_mpu_state_s *s,
2483 uint16_t diff, uint16_t value)
2487 #define SET_ONOFF(clock, bit) \
2488 if (diff & (1 << bit)) { \
2489 clk = omap_findclk(s, clock); \
2490 omap_clk_onoff(clk, (value >> bit) & 1); \
2492 SET_ONOFF("mpuwd_ck", 0) /* EN_WDTCK */
2493 SET_ONOFF("armxor_ck", 1) /* EN_XORPCK */
2494 SET_ONOFF("mpuper_ck", 2) /* EN_PERCK */
2495 SET_ONOFF("lcd_ck", 3) /* EN_LCDCK */
2496 SET_ONOFF("lb_ck", 4) /* EN_LBCK */
2497 SET_ONOFF("hsab_ck", 5) /* EN_HSABCK */
2498 SET_ONOFF("mpui_ck", 6) /* EN_APICK */
2499 SET_ONOFF("armtim_ck", 7) /* EN_TIMCK */
2500 SET_CANIDLE("dma_ck", 8) /* DMACK_REQ */
2501 SET_ONOFF("arm_gpio_ck", 9) /* EN_GPIOCK */
2502 SET_ONOFF("lbfree_ck", 10) /* EN_LBFREECK */
2505 static inline void omap_clkm_ckout1_update(struct omap_mpu_state_s *s,
2506 uint16_t diff, uint16_t value)
2510 if (diff & (3 << 4)) { /* TCLKOUT */
2511 clk = omap_findclk(s, "tclk_out");
2512 switch ((value >> 4) & 3) {
2514 omap_clk_reparent(clk, omap_findclk(s, "ck_gen3"));
2515 omap_clk_onoff(clk, 1);
2518 omap_clk_reparent(clk, omap_findclk(s, "tc_ck"));
2519 omap_clk_onoff(clk, 1);
2522 omap_clk_onoff(clk, 0);
2525 if (diff & (3 << 2)) { /* DCLKOUT */
2526 clk = omap_findclk(s, "dclk_out");
2527 switch ((value >> 2) & 3) {
2529 omap_clk_reparent(clk, omap_findclk(s, "dspmmu_ck"));
2532 omap_clk_reparent(clk, omap_findclk(s, "ck_gen2"));
2535 omap_clk_reparent(clk, omap_findclk(s, "dsp_ck"));
2538 omap_clk_reparent(clk, omap_findclk(s, "ck_ref14"));
2542 if (diff & (3 << 0)) { /* ACLKOUT */
2543 clk = omap_findclk(s, "aclk_out");
2544 switch ((value >> 0) & 3) {
2546 omap_clk_reparent(clk, omap_findclk(s, "ck_gen1"));
2547 omap_clk_onoff(clk, 1);
2550 omap_clk_reparent(clk, omap_findclk(s, "arm_ck"));
2551 omap_clk_onoff(clk, 1);
2554 omap_clk_reparent(clk, omap_findclk(s, "ck_ref14"));
2555 omap_clk_onoff(clk, 1);
2558 omap_clk_onoff(clk, 0);
2563 static void omap_clkm_write(void *opaque, target_phys_addr_t addr,
2566 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
2567 int offset = addr - s->clkm.mpu_base;
2570 static const char *clkschemename[8] = {
2571 "fully synchronous", "fully asynchronous", "synchronous scalable",
2572 "mix mode 1", "mix mode 2", "bypass mode", "mix mode 3", "mix mode 4",
2576 case 0x00: /* ARM_CKCTL */
2577 diff = s->clkm.arm_ckctl ^ value;
2578 s->clkm.arm_ckctl = value & 0x7fff;
2579 omap_clkm_ckctl_update(s, diff, value);
2582 case 0x04: /* ARM_IDLECT1 */
2583 diff = s->clkm.arm_idlect1 ^ value;
2584 s->clkm.arm_idlect1 = value & 0x0fff;
2585 omap_clkm_idlect1_update(s, diff, value);
2588 case 0x08: /* ARM_IDLECT2 */
2589 diff = s->clkm.arm_idlect2 ^ value;
2590 s->clkm.arm_idlect2 = value & 0x07ff;
2591 omap_clkm_idlect2_update(s, diff, value);
2594 case 0x0c: /* ARM_EWUPCT */
2595 diff = s->clkm.arm_ewupct ^ value;
2596 s->clkm.arm_ewupct = value & 0x003f;
2599 case 0x10: /* ARM_RSTCT1 */
2600 diff = s->clkm.arm_rstct1 ^ value;
2601 s->clkm.arm_rstct1 = value & 0x0007;
2603 qemu_system_reset_request();
2604 s->clkm.cold_start = 0xa;
2606 if (diff & ~value & 4) { /* DSP_RST */
2608 omap_tipb_bridge_reset(s->private_tipb);
2609 omap_tipb_bridge_reset(s->public_tipb);
2611 if (diff & 2) { /* DSP_EN */
2612 clk = omap_findclk(s, "dsp_ck");
2613 omap_clk_canidle(clk, (~value >> 1) & 1);
2617 case 0x14: /* ARM_RSTCT2 */
2618 s->clkm.arm_rstct2 = value & 0x0001;
2621 case 0x18: /* ARM_SYSST */
2622 if ((s->clkm.clocking_scheme ^ (value >> 11)) & 7) {
2623 s->clkm.clocking_scheme = (value >> 11) & 7;
2624 printf("%s: clocking scheme set to %s\n", __FUNCTION__,
2625 clkschemename[s->clkm.clocking_scheme]);
2627 s->clkm.cold_start &= value & 0x3f;
2630 case 0x1c: /* ARM_CKOUT1 */
2631 diff = s->clkm.arm_ckout1 ^ value;
2632 s->clkm.arm_ckout1 = value & 0x003f;
2633 omap_clkm_ckout1_update(s, diff, value);
2636 case 0x20: /* ARM_CKOUT2 */
2642 static CPUReadMemoryFunc *omap_clkm_readfn[] = {
2643 omap_badwidth_read16,
2645 omap_badwidth_read16,
2648 static CPUWriteMemoryFunc *omap_clkm_writefn[] = {
2649 omap_badwidth_write16,
2651 omap_badwidth_write16,
2654 static uint32_t omap_clkdsp_read(void *opaque, target_phys_addr_t addr)
2656 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
2657 int offset = addr - s->clkm.dsp_base;
2660 case 0x04: /* DSP_IDLECT1 */
2661 return s->clkm.dsp_idlect1;
2663 case 0x08: /* DSP_IDLECT2 */
2664 return s->clkm.dsp_idlect2;
2666 case 0x14: /* DSP_RSTCT2 */
2667 return s->clkm.dsp_rstct2;
2669 case 0x18: /* DSP_SYSST */
2670 return (s->clkm.clocking_scheme < 11) | s->clkm.cold_start |
2671 (s->env->halted << 6); /* Quite useless... */
2678 static inline void omap_clkdsp_idlect1_update(struct omap_mpu_state_s *s,
2679 uint16_t diff, uint16_t value)
2683 SET_CANIDLE("dspxor_ck", 1); /* IDLXORP_DSP */
2686 static inline void omap_clkdsp_idlect2_update(struct omap_mpu_state_s *s,
2687 uint16_t diff, uint16_t value)
2691 SET_ONOFF("dspxor_ck", 1); /* EN_XORPCK */
2694 static void omap_clkdsp_write(void *opaque, target_phys_addr_t addr,
2697 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
2698 int offset = addr - s->clkm.dsp_base;
2702 case 0x04: /* DSP_IDLECT1 */
2703 diff = s->clkm.dsp_idlect1 ^ value;
2704 s->clkm.dsp_idlect1 = value & 0x01f7;
2705 omap_clkdsp_idlect1_update(s, diff, value);
2708 case 0x08: /* DSP_IDLECT2 */
2709 s->clkm.dsp_idlect2 = value & 0x0037;
2710 diff = s->clkm.dsp_idlect1 ^ value;
2711 omap_clkdsp_idlect2_update(s, diff, value);
2714 case 0x14: /* DSP_RSTCT2 */
2715 s->clkm.dsp_rstct2 = value & 0x0001;
2718 case 0x18: /* DSP_SYSST */
2719 s->clkm.cold_start &= value & 0x3f;
2727 static CPUReadMemoryFunc *omap_clkdsp_readfn[] = {
2728 omap_badwidth_read16,
2730 omap_badwidth_read16,
2733 static CPUWriteMemoryFunc *omap_clkdsp_writefn[] = {
2734 omap_badwidth_write16,
2736 omap_badwidth_write16,
2739 static void omap_clkm_reset(struct omap_mpu_state_s *s)
2741 if (s->wdt && s->wdt->reset)
2742 s->clkm.cold_start = 0x6;
2743 s->clkm.clocking_scheme = 0;
2744 omap_clkm_ckctl_update(s, ~0, 0x3000);
2745 s->clkm.arm_ckctl = 0x3000;
2746 omap_clkm_idlect1_update(s, s->clkm.arm_idlect1 & 0x0400, 0x0400);
2747 s->clkm.arm_idlect1 = 0x0400;
2748 omap_clkm_idlect2_update(s, s->clkm.arm_idlect2 & 0x0100, 0x0100);
2749 s->clkm.arm_idlect2 = 0x0100;
2750 s->clkm.arm_ewupct = 0x003f;
2751 s->clkm.arm_rstct1 = 0x0000;
2752 s->clkm.arm_rstct2 = 0x0000;
2753 s->clkm.arm_ckout1 = 0x0015;
2754 s->clkm.dpll1_mode = 0x2002;
2755 omap_clkdsp_idlect1_update(s, s->clkm.dsp_idlect1 ^ 0x0040, 0x0040);
2756 s->clkm.dsp_idlect1 = 0x0040;
2757 omap_clkdsp_idlect2_update(s, ~0, 0x0000);
2758 s->clkm.dsp_idlect2 = 0x0000;
2759 s->clkm.dsp_rstct2 = 0x0000;
2762 static void omap_clkm_init(target_phys_addr_t mpu_base,
2763 target_phys_addr_t dsp_base, struct omap_mpu_state_s *s)
2765 int iomemtype[2] = {
2766 cpu_register_io_memory(0, omap_clkm_readfn, omap_clkm_writefn, s),
2767 cpu_register_io_memory(0, omap_clkdsp_readfn, omap_clkdsp_writefn, s),
2770 s->clkm.mpu_base = mpu_base;
2771 s->clkm.dsp_base = dsp_base;
2772 s->clkm.cold_start = 0x3a;
2775 cpu_register_physical_memory(s->clkm.mpu_base, 0x100, iomemtype[0]);
2776 cpu_register_physical_memory(s->clkm.dsp_base, 0x1000, iomemtype[1]);
2779 /* General chip reset */
2780 static void omap_mpu_reset(void *opaque)
2782 struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque;
2784 omap_clkm_reset(mpu);
2785 omap_inth_reset(mpu->ih[0]);
2786 omap_inth_reset(mpu->ih[1]);
2787 omap_dma_reset(mpu->dma);
2788 omap_mpu_timer_reset(mpu->timer[0]);
2789 omap_mpu_timer_reset(mpu->timer[1]);
2790 omap_mpu_timer_reset(mpu->timer[2]);
2791 omap_wd_timer_reset(mpu->wdt);
2792 omap_os_timer_reset(mpu->os_timer);
2793 omap_lcdc_reset(mpu->lcd);
2794 omap_ulpd_pm_reset(mpu);
2795 omap_pin_cfg_reset(mpu);
2796 omap_mpui_reset(mpu);
2797 omap_tipb_bridge_reset(mpu->private_tipb);
2798 omap_tipb_bridge_reset(mpu->public_tipb);
2799 omap_dpll_reset(&mpu->dpll[0]);
2800 omap_dpll_reset(&mpu->dpll[1]);
2801 omap_dpll_reset(&mpu->dpll[2]);
2802 omap_uart_reset(mpu->uart1);
2803 omap_uart_reset(mpu->uart2);
2804 omap_uart_reset(mpu->uart3);
2805 cpu_reset(mpu->env);
2808 static void omap_mpu_wakeup(void *opaque, int irq, int req)
2810 struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque;
2812 cpu_interrupt(mpu->env, CPU_INTERRUPT_EXITTB);
2815 struct omap_mpu_state_s *omap310_mpu_init(unsigned long sdram_size,
2816 DisplayState *ds, const char *core)
2818 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *)
2819 qemu_mallocz(sizeof(struct omap_mpu_state_s));
2820 ram_addr_t imif_base, emiff_base;
2823 s->mpu_model = omap310;
2824 s->env = cpu_init();
2825 s->sdram_size = sdram_size;
2826 s->sram_size = OMAP15XX_SRAM_SIZE;
2828 cpu_arm_set_model(s->env, core ?: "ti925t");
2833 /* Memory-mapped stuff */
2834 cpu_register_physical_memory(OMAP_EMIFF_BASE, s->sdram_size,
2835 (emiff_base = qemu_ram_alloc(s->sdram_size)) | IO_MEM_RAM);
2836 cpu_register_physical_memory(OMAP_IMIF_BASE, s->sram_size,
2837 (imif_base = qemu_ram_alloc(s->sram_size)) | IO_MEM_RAM);
2839 omap_clkm_init(0xfffece00, 0xe1008000, s);
2841 s->ih[0] = omap_inth_init(0xfffecb00, 0x100,
2842 arm_pic_init_cpu(s->env),
2843 omap_findclk(s, "arminth_ck"));
2844 s->ih[1] = omap_inth_init(0xfffe0000, 0x800,
2845 &s->ih[0]->pins[OMAP_INT_15XX_IH2_IRQ],
2846 omap_findclk(s, "arminth_ck"));
2847 s->irq[0] = s->ih[0]->pins;
2848 s->irq[1] = s->ih[1]->pins;
2850 s->dma = omap_dma_init(0xfffed800, s->irq[0], s,
2851 omap_findclk(s, "dma_ck"));
2852 s->port[emiff ].addr_valid = omap_validate_emiff_addr;
2853 s->port[emifs ].addr_valid = omap_validate_emifs_addr;
2854 s->port[imif ].addr_valid = omap_validate_imif_addr;
2855 s->port[tipb ].addr_valid = omap_validate_tipb_addr;
2856 s->port[local ].addr_valid = omap_validate_local_addr;
2857 s->port[tipb_mpui].addr_valid = omap_validate_tipb_mpui_addr;
2859 s->timer[0] = omap_mpu_timer_init(0xfffec500,
2860 s->irq[0][OMAP_INT_TIMER1],
2861 omap_findclk(s, "mputim_ck"));
2862 s->timer[1] = omap_mpu_timer_init(0xfffec600,
2863 s->irq[0][OMAP_INT_TIMER2],
2864 omap_findclk(s, "mputim_ck"));
2865 s->timer[2] = omap_mpu_timer_init(0xfffec700,
2866 s->irq[0][OMAP_INT_TIMER3],
2867 omap_findclk(s, "mputim_ck"));
2869 s->wdt = omap_wd_timer_init(0xfffec800,
2870 s->irq[0][OMAP_INT_WD_TIMER],
2871 omap_findclk(s, "armwdt_ck"));
2873 s->os_timer = omap_os_timer_init(0xfffb9000,
2874 s->irq[1][OMAP_INT_OS_TIMER],
2875 omap_findclk(s, "clk32-kHz"));
2877 s->lcd = omap_lcdc_init(0xfffec000, s->irq[0][OMAP_INT_LCD_CTRL],
2878 &s->dma->lcd_ch, ds, imif_base, emiff_base,
2879 omap_findclk(s, "lcd_ck"));
2881 omap_ulpd_pm_init(0xfffe0800, s);
2882 omap_pin_cfg_init(0xfffe1000, s);
2885 omap_mpui_init(0xfffec900, s);
2887 s->private_tipb = omap_tipb_bridge_init(0xfffeca00,
2888 s->irq[0][OMAP_INT_BRIDGE_PRIV],
2889 omap_findclk(s, "tipb_ck"));
2890 s->public_tipb = omap_tipb_bridge_init(0xfffed300,
2891 s->irq[0][OMAP_INT_BRIDGE_PUB],
2892 omap_findclk(s, "tipb_ck"));
2894 omap_tcmi_init(0xfffecc00, s);
2896 s->uart1 = omap_uart_init(0xfffb0000, s->irq[1][OMAP_INT_UART1],
2897 omap_findclk(s, "uart1_ck"),
2899 s->uart2 = omap_uart_init(0xfffb0800, s->irq[1][OMAP_INT_UART2],
2900 omap_findclk(s, "uart2_ck"),
2901 serial_hds[0] ? serial_hds[1] : 0);
2902 s->uart3 = omap_uart_init(0xe1019800, s->irq[0][OMAP_INT_UART3],
2903 omap_findclk(s, "uart3_ck"),
2904 serial_hds[0] && serial_hds[1] ? serial_hds[2] : 0);
2906 omap_dpll_init(&s->dpll[0], 0xfffecf00, omap_findclk(s, "dpll1"));
2907 omap_dpll_init(&s->dpll[1], 0xfffed000, omap_findclk(s, "dpll2"));
2908 omap_dpll_init(&s->dpll[2], 0xfffed100, omap_findclk(s, "dpll3"));
2910 qemu_register_reset(omap_mpu_reset, s);
2911 s->wakeup = qemu_allocate_irqs(omap_mpu_wakeup, s, 1)[0];