4 * Copyright (c) 2004 Jocelyn Mayer
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
27 * Based on OpenPic implementations:
28 * - Intel GW80314 I/O companion chip developer's manual
29 * - Motorola MPC8245 & MPC8540 user manuals.
30 * - Motorola MCP750 (aka Raven) programmer manual.
31 * - Motorola Harrier programmer manuel
33 * Serial interrupts, as implemented in Raven chipset are not supported yet.
37 #include "hw/ppc/mac.h"
38 #include "hw/pci/pci.h"
39 #include "hw/ppc/openpic.h"
40 #include "hw/sysbus.h"
41 #include "hw/pci/msi.h"
42 #include "qemu/bitops.h"
43 #include "hw/ppc/ppc.h"
45 //#define DEBUG_OPENPIC
48 static const int debug_openpic = 1;
50 static const int debug_openpic = 0;
53 #define DPRINTF(fmt, ...) do { \
54 if (debug_openpic) { \
55 printf(fmt , ## __VA_ARGS__); \
61 #define VID 0x03 /* MPIC version ID */
63 /* OpenPIC capability flags */
64 #define OPENPIC_FLAG_IDR_CRIT (1 << 0)
65 #define OPENPIC_FLAG_ILR (2 << 0)
67 /* OpenPIC address map */
68 #define OPENPIC_GLB_REG_START 0x0
69 #define OPENPIC_GLB_REG_SIZE 0x10F0
70 #define OPENPIC_TMR_REG_START 0x10F0
71 #define OPENPIC_TMR_REG_SIZE 0x220
72 #define OPENPIC_MSI_REG_START 0x1600
73 #define OPENPIC_MSI_REG_SIZE 0x200
74 #define OPENPIC_SUMMARY_REG_START 0x3800
75 #define OPENPIC_SUMMARY_REG_SIZE 0x800
76 #define OPENPIC_SRC_REG_START 0x10000
77 #define OPENPIC_SRC_REG_SIZE (OPENPIC_MAX_SRC * 0x20)
78 #define OPENPIC_CPU_REG_START 0x20000
79 #define OPENPIC_CPU_REG_SIZE 0x100 + ((MAX_CPU - 1) * 0x1000)
82 #define RAVEN_MAX_CPU 2
83 #define RAVEN_MAX_EXT 48
84 #define RAVEN_MAX_IRQ 64
85 #define RAVEN_MAX_TMR OPENPIC_MAX_TMR
86 #define RAVEN_MAX_IPI OPENPIC_MAX_IPI
88 /* Interrupt definitions */
89 #define RAVEN_FE_IRQ (RAVEN_MAX_EXT) /* Internal functional IRQ */
90 #define RAVEN_ERR_IRQ (RAVEN_MAX_EXT + 1) /* Error IRQ */
91 #define RAVEN_TMR_IRQ (RAVEN_MAX_EXT + 2) /* First timer IRQ */
92 #define RAVEN_IPI_IRQ (RAVEN_TMR_IRQ + RAVEN_MAX_TMR) /* First IPI IRQ */
93 /* First doorbell IRQ */
94 #define RAVEN_DBL_IRQ (RAVEN_IPI_IRQ + (RAVEN_MAX_CPU * RAVEN_MAX_IPI))
96 typedef struct FslMpicInfo {
100 static FslMpicInfo fsl_mpic_20 = {
104 static FslMpicInfo fsl_mpic_42 = {
108 #define FRR_NIRQ_SHIFT 16
109 #define FRR_NCPU_SHIFT 8
110 #define FRR_VID_SHIFT 0
112 #define VID_REVISION_1_2 2
113 #define VID_REVISION_1_3 3
115 #define VIR_GENERIC 0x00000000 /* Generic Vendor ID */
117 #define GCR_RESET 0x80000000
118 #define GCR_MODE_PASS 0x00000000
119 #define GCR_MODE_MIXED 0x20000000
120 #define GCR_MODE_PROXY 0x60000000
122 #define TBCR_CI 0x80000000 /* count inhibit */
123 #define TCCR_TOG 0x80000000 /* toggles when decrement to zero */
125 #define IDR_EP_SHIFT 31
126 #define IDR_EP_MASK (1 << IDR_EP_SHIFT)
127 #define IDR_CI0_SHIFT 30
128 #define IDR_CI1_SHIFT 29
129 #define IDR_P1_SHIFT 1
130 #define IDR_P0_SHIFT 0
132 #define ILR_INTTGT_MASK 0x000000ff
133 #define ILR_INTTGT_INT 0x00
134 #define ILR_INTTGT_CINT 0x01 /* critical */
135 #define ILR_INTTGT_MCP 0x02 /* machine check */
137 /* The currently supported INTTGT values happen to be the same as QEMU's
138 * openpic output codes, but don't depend on this. The output codes
139 * could change (unlikely, but...) or support could be added for
140 * more INTTGT values.
142 static const int inttgt_output[][2] = {
143 { ILR_INTTGT_INT, OPENPIC_OUTPUT_INT },
144 { ILR_INTTGT_CINT, OPENPIC_OUTPUT_CINT },
145 { ILR_INTTGT_MCP, OPENPIC_OUTPUT_MCK },
148 static int inttgt_to_output(int inttgt)
152 for (i = 0; i < ARRAY_SIZE(inttgt_output); i++) {
153 if (inttgt_output[i][0] == inttgt) {
154 return inttgt_output[i][1];
158 fprintf(stderr, "%s: unsupported inttgt %d\n", __func__, inttgt);
159 return OPENPIC_OUTPUT_INT;
162 static int output_to_inttgt(int output)
166 for (i = 0; i < ARRAY_SIZE(inttgt_output); i++) {
167 if (inttgt_output[i][1] == output) {
168 return inttgt_output[i][0];
175 #define MSIIR_OFFSET 0x140
176 #define MSIIR_SRS_SHIFT 29
177 #define MSIIR_SRS_MASK (0x7 << MSIIR_SRS_SHIFT)
178 #define MSIIR_IBS_SHIFT 24
179 #define MSIIR_IBS_MASK (0x1f << MSIIR_IBS_SHIFT)
181 static int get_current_cpu(void)
187 return current_cpu->cpu_index;
190 static uint32_t openpic_cpu_read_internal(void *opaque, hwaddr addr,
192 static void openpic_cpu_write_internal(void *opaque, hwaddr addr,
193 uint32_t val, int idx);
195 typedef enum IRQType {
197 IRQ_TYPE_FSLINT, /* FSL internal interrupt -- level only */
198 IRQ_TYPE_FSLSPECIAL, /* FSL timer/IPI interrupt, edge, no polarity */
201 typedef struct IRQQueue {
202 /* Round up to the nearest 64 IRQs so that the queue length
203 * won't change when moving between 32 and 64 bit hosts.
205 unsigned long queue[BITS_TO_LONGS((OPENPIC_MAX_IRQ + 63) & ~63)];
210 typedef struct IRQSource {
211 uint32_t ivpr; /* IRQ vector/priority register */
212 uint32_t idr; /* IRQ destination register */
213 uint32_t destmask; /* bitmap of CPU destinations */
215 int output; /* IRQ level, e.g. OPENPIC_OUTPUT_INT */
216 int pending; /* TRUE if IRQ is pending */
218 bool level:1; /* level-triggered */
219 bool nomask:1; /* critical interrupts ignore mask on some FSL MPICs */
222 #define IVPR_MASK_SHIFT 31
223 #define IVPR_MASK_MASK (1 << IVPR_MASK_SHIFT)
224 #define IVPR_ACTIVITY_SHIFT 30
225 #define IVPR_ACTIVITY_MASK (1 << IVPR_ACTIVITY_SHIFT)
226 #define IVPR_MODE_SHIFT 29
227 #define IVPR_MODE_MASK (1 << IVPR_MODE_SHIFT)
228 #define IVPR_POLARITY_SHIFT 23
229 #define IVPR_POLARITY_MASK (1 << IVPR_POLARITY_SHIFT)
230 #define IVPR_SENSE_SHIFT 22
231 #define IVPR_SENSE_MASK (1 << IVPR_SENSE_SHIFT)
233 #define IVPR_PRIORITY_MASK (0xF << 16)
234 #define IVPR_PRIORITY(_ivprr_) ((int)(((_ivprr_) & IVPR_PRIORITY_MASK) >> 16))
235 #define IVPR_VECTOR(opp, _ivprr_) ((_ivprr_) & (opp)->vector_mask)
237 /* IDR[EP/CI] are only for FSL MPIC prior to v4.0 */
238 #define IDR_EP 0x80000000 /* external pin */
239 #define IDR_CI 0x40000000 /* critical interrupt */
241 typedef struct IRQDest {
242 int32_t ctpr; /* CPU current task priority */
247 /* Count of IRQ sources asserting on non-INT outputs */
248 uint32_t outputs_active[OPENPIC_OUTPUT_NB];
251 #define OPENPIC(obj) OBJECT_CHECK(OpenPICState, (obj), TYPE_OPENPIC)
253 typedef struct OpenPICState {
255 SysBusDevice parent_obj;
260 /* Behavior control */
266 uint32_t vir; /* Vendor identification register */
267 uint32_t vector_mask;
272 uint32_t mpic_mode_mask;
275 MemoryRegion sub_io_mem[6];
277 /* Global registers */
278 uint32_t frr; /* Feature reporting register */
279 uint32_t gcr; /* Global configuration register */
280 uint32_t pir; /* Processor initialization register */
281 uint32_t spve; /* Spurious vector register */
282 uint32_t tfrr; /* Timer frequency reporting register */
283 /* Source registers */
284 IRQSource src[OPENPIC_MAX_IRQ];
285 /* Local registers per output pin */
286 IRQDest dst[MAX_CPU];
288 /* Timer registers */
290 uint32_t tccr; /* Global timer current count register */
291 uint32_t tbcr; /* Global timer base count register */
292 } timers[OPENPIC_MAX_TMR];
293 /* Shared MSI registers */
295 uint32_t msir; /* Shared Message Signaled Interrupt Register */
303 static inline void IRQ_setbit(IRQQueue *q, int n_IRQ)
305 set_bit(n_IRQ, q->queue);
308 static inline void IRQ_resetbit(IRQQueue *q, int n_IRQ)
310 clear_bit(n_IRQ, q->queue);
313 static inline int IRQ_testbit(IRQQueue *q, int n_IRQ)
315 return test_bit(n_IRQ, q->queue);
318 static void IRQ_check(OpenPICState *opp, IRQQueue *q)
325 irq = find_next_bit(q->queue, opp->max_irq, irq + 1);
326 if (irq == opp->max_irq) {
330 DPRINTF("IRQ_check: irq %d set ivpr_pr=%d pr=%d\n",
331 irq, IVPR_PRIORITY(opp->src[irq].ivpr), priority);
333 if (IVPR_PRIORITY(opp->src[irq].ivpr) > priority) {
335 priority = IVPR_PRIORITY(opp->src[irq].ivpr);
340 q->priority = priority;
343 static int IRQ_get_next(OpenPICState *opp, IRQQueue *q)
351 static void IRQ_local_pipe(OpenPICState *opp, int n_CPU, int n_IRQ,
352 bool active, bool was_active)
358 dst = &opp->dst[n_CPU];
359 src = &opp->src[n_IRQ];
361 DPRINTF("%s: IRQ %d active %d was %d\n",
362 __func__, n_IRQ, active, was_active);
364 if (src->output != OPENPIC_OUTPUT_INT) {
365 DPRINTF("%s: output %d irq %d active %d was %d count %d\n",
366 __func__, src->output, n_IRQ, active, was_active,
367 dst->outputs_active[src->output]);
369 /* On Freescale MPIC, critical interrupts ignore priority,
370 * IACK, EOI, etc. Before MPIC v4.1 they also ignore
374 if (!was_active && dst->outputs_active[src->output]++ == 0) {
375 DPRINTF("%s: Raise OpenPIC output %d cpu %d irq %d\n",
376 __func__, src->output, n_CPU, n_IRQ);
377 qemu_irq_raise(dst->irqs[src->output]);
380 if (was_active && --dst->outputs_active[src->output] == 0) {
381 DPRINTF("%s: Lower OpenPIC output %d cpu %d irq %d\n",
382 __func__, src->output, n_CPU, n_IRQ);
383 qemu_irq_lower(dst->irqs[src->output]);
390 priority = IVPR_PRIORITY(src->ivpr);
392 /* Even if the interrupt doesn't have enough priority,
393 * it is still raised, in case ctpr is lowered later.
396 IRQ_setbit(&dst->raised, n_IRQ);
398 IRQ_resetbit(&dst->raised, n_IRQ);
401 IRQ_check(opp, &dst->raised);
403 if (active && priority <= dst->ctpr) {
404 DPRINTF("%s: IRQ %d priority %d too low for ctpr %d on CPU %d\n",
405 __func__, n_IRQ, priority, dst->ctpr, n_CPU);
410 if (IRQ_get_next(opp, &dst->servicing) >= 0 &&
411 priority <= dst->servicing.priority) {
412 DPRINTF("%s: IRQ %d is hidden by servicing IRQ %d on CPU %d\n",
413 __func__, n_IRQ, dst->servicing.next, n_CPU);
415 DPRINTF("%s: Raise OpenPIC INT output cpu %d irq %d/%d\n",
416 __func__, n_CPU, n_IRQ, dst->raised.next);
417 qemu_irq_raise(opp->dst[n_CPU].irqs[OPENPIC_OUTPUT_INT]);
420 IRQ_get_next(opp, &dst->servicing);
421 if (dst->raised.priority > dst->ctpr &&
422 dst->raised.priority > dst->servicing.priority) {
423 DPRINTF("%s: IRQ %d inactive, IRQ %d prio %d above %d/%d, CPU %d\n",
424 __func__, n_IRQ, dst->raised.next, dst->raised.priority,
425 dst->ctpr, dst->servicing.priority, n_CPU);
426 /* IRQ line stays asserted */
428 DPRINTF("%s: IRQ %d inactive, current prio %d/%d, CPU %d\n",
429 __func__, n_IRQ, dst->ctpr, dst->servicing.priority, n_CPU);
430 qemu_irq_lower(opp->dst[n_CPU].irqs[OPENPIC_OUTPUT_INT]);
435 /* update pic state because registers for n_IRQ have changed value */
436 static void openpic_update_irq(OpenPICState *opp, int n_IRQ)
439 bool active, was_active;
442 src = &opp->src[n_IRQ];
443 active = src->pending;
445 if ((src->ivpr & IVPR_MASK_MASK) && !src->nomask) {
446 /* Interrupt source is disabled */
447 DPRINTF("%s: IRQ %d is disabled\n", __func__, n_IRQ);
451 was_active = !!(src->ivpr & IVPR_ACTIVITY_MASK);
454 * We don't have a similar check for already-active because
455 * ctpr may have changed and we need to withdraw the interrupt.
457 if (!active && !was_active) {
458 DPRINTF("%s: IRQ %d is already inactive\n", __func__, n_IRQ);
463 src->ivpr |= IVPR_ACTIVITY_MASK;
465 src->ivpr &= ~IVPR_ACTIVITY_MASK;
468 if (src->destmask == 0) {
470 DPRINTF("%s: IRQ %d has no target\n", __func__, n_IRQ);
474 if (src->destmask == (1 << src->last_cpu)) {
475 /* Only one CPU is allowed to receive this IRQ */
476 IRQ_local_pipe(opp, src->last_cpu, n_IRQ, active, was_active);
477 } else if (!(src->ivpr & IVPR_MODE_MASK)) {
478 /* Directed delivery mode */
479 for (i = 0; i < opp->nb_cpus; i++) {
480 if (src->destmask & (1 << i)) {
481 IRQ_local_pipe(opp, i, n_IRQ, active, was_active);
485 /* Distributed delivery mode */
486 for (i = src->last_cpu + 1; i != src->last_cpu; i++) {
487 if (i == opp->nb_cpus) {
490 if (src->destmask & (1 << i)) {
491 IRQ_local_pipe(opp, i, n_IRQ, active, was_active);
499 static void openpic_set_irq(void *opaque, int n_IRQ, int level)
501 OpenPICState *opp = opaque;
504 if (n_IRQ >= OPENPIC_MAX_IRQ) {
505 fprintf(stderr, "%s: IRQ %d out of range\n", __func__, n_IRQ);
509 src = &opp->src[n_IRQ];
510 DPRINTF("openpic: set irq %d = %d ivpr=0x%08x\n",
511 n_IRQ, level, src->ivpr);
513 /* level-sensitive irq */
514 src->pending = level;
515 openpic_update_irq(opp, n_IRQ);
517 /* edge-sensitive irq */
520 openpic_update_irq(opp, n_IRQ);
523 if (src->output != OPENPIC_OUTPUT_INT) {
524 /* Edge-triggered interrupts shouldn't be used
525 * with non-INT delivery, but just in case,
526 * try to make it do something sane rather than
527 * cause an interrupt storm. This is close to
528 * what you'd probably see happen in real hardware.
531 openpic_update_irq(opp, n_IRQ);
536 static void openpic_reset(DeviceState *d)
538 OpenPICState *opp = OPENPIC(d);
541 opp->gcr = GCR_RESET;
542 /* Initialise controller registers */
543 opp->frr = ((opp->nb_irqs - 1) << FRR_NIRQ_SHIFT) |
544 ((opp->nb_cpus - 1) << FRR_NCPU_SHIFT) |
545 (opp->vid << FRR_VID_SHIFT);
548 opp->spve = -1 & opp->vector_mask;
549 opp->tfrr = opp->tfrr_reset;
550 /* Initialise IRQ sources */
551 for (i = 0; i < opp->max_irq; i++) {
552 opp->src[i].ivpr = opp->ivpr_reset;
553 opp->src[i].idr = opp->idr_reset;
555 switch (opp->src[i].type) {
556 case IRQ_TYPE_NORMAL:
557 opp->src[i].level = !!(opp->ivpr_reset & IVPR_SENSE_MASK);
560 case IRQ_TYPE_FSLINT:
561 opp->src[i].ivpr |= IVPR_POLARITY_MASK;
564 case IRQ_TYPE_FSLSPECIAL:
568 /* Initialise IRQ destinations */
569 for (i = 0; i < MAX_CPU; i++) {
570 opp->dst[i].ctpr = 15;
571 memset(&opp->dst[i].raised, 0, sizeof(IRQQueue));
572 opp->dst[i].raised.next = -1;
573 memset(&opp->dst[i].servicing, 0, sizeof(IRQQueue));
574 opp->dst[i].servicing.next = -1;
576 /* Initialise timers */
577 for (i = 0; i < OPENPIC_MAX_TMR; i++) {
578 opp->timers[i].tccr = 0;
579 opp->timers[i].tbcr = TBCR_CI;
581 /* Go out of RESET state */
585 static inline uint32_t read_IRQreg_idr(OpenPICState *opp, int n_IRQ)
587 return opp->src[n_IRQ].idr;
590 static inline uint32_t read_IRQreg_ilr(OpenPICState *opp, int n_IRQ)
592 if (opp->flags & OPENPIC_FLAG_ILR) {
593 return output_to_inttgt(opp->src[n_IRQ].output);
599 static inline uint32_t read_IRQreg_ivpr(OpenPICState *opp, int n_IRQ)
601 return opp->src[n_IRQ].ivpr;
604 static inline void write_IRQreg_idr(OpenPICState *opp, int n_IRQ, uint32_t val)
606 IRQSource *src = &opp->src[n_IRQ];
607 uint32_t normal_mask = (1UL << opp->nb_cpus) - 1;
608 uint32_t crit_mask = 0;
609 uint32_t mask = normal_mask;
610 int crit_shift = IDR_EP_SHIFT - opp->nb_cpus;
613 if (opp->flags & OPENPIC_FLAG_IDR_CRIT) {
614 crit_mask = mask << crit_shift;
615 mask |= crit_mask | IDR_EP;
618 src->idr = val & mask;
619 DPRINTF("Set IDR %d to 0x%08x\n", n_IRQ, src->idr);
621 if (opp->flags & OPENPIC_FLAG_IDR_CRIT) {
622 if (src->idr & crit_mask) {
623 if (src->idr & normal_mask) {
624 DPRINTF("%s: IRQ configured for multiple output types, using "
625 "critical\n", __func__);
628 src->output = OPENPIC_OUTPUT_CINT;
632 for (i = 0; i < opp->nb_cpus; i++) {
633 int n_ci = IDR_CI0_SHIFT - i;
635 if (src->idr & (1UL << n_ci)) {
636 src->destmask |= 1UL << i;
640 src->output = OPENPIC_OUTPUT_INT;
642 src->destmask = src->idr & normal_mask;
645 src->destmask = src->idr;
649 static inline void write_IRQreg_ilr(OpenPICState *opp, int n_IRQ, uint32_t val)
651 if (opp->flags & OPENPIC_FLAG_ILR) {
652 IRQSource *src = &opp->src[n_IRQ];
654 src->output = inttgt_to_output(val & ILR_INTTGT_MASK);
655 DPRINTF("Set ILR %d to 0x%08x, output %d\n", n_IRQ, src->idr,
658 /* TODO: on MPIC v4.0 only, set nomask for non-INT */
662 static inline void write_IRQreg_ivpr(OpenPICState *opp, int n_IRQ, uint32_t val)
666 /* NOTE when implementing newer FSL MPIC models: starting with v4.0,
667 * the polarity bit is read-only on internal interrupts.
669 mask = IVPR_MASK_MASK | IVPR_PRIORITY_MASK | IVPR_SENSE_MASK |
670 IVPR_POLARITY_MASK | opp->vector_mask;
672 /* ACTIVITY bit is read-only */
673 opp->src[n_IRQ].ivpr =
674 (opp->src[n_IRQ].ivpr & IVPR_ACTIVITY_MASK) | (val & mask);
676 /* For FSL internal interrupts, The sense bit is reserved and zero,
677 * and the interrupt is always level-triggered. Timers and IPIs
678 * have no sense or polarity bits, and are edge-triggered.
680 switch (opp->src[n_IRQ].type) {
681 case IRQ_TYPE_NORMAL:
682 opp->src[n_IRQ].level = !!(opp->src[n_IRQ].ivpr & IVPR_SENSE_MASK);
685 case IRQ_TYPE_FSLINT:
686 opp->src[n_IRQ].ivpr &= ~IVPR_SENSE_MASK;
689 case IRQ_TYPE_FSLSPECIAL:
690 opp->src[n_IRQ].ivpr &= ~(IVPR_POLARITY_MASK | IVPR_SENSE_MASK);
694 openpic_update_irq(opp, n_IRQ);
695 DPRINTF("Set IVPR %d to 0x%08x -> 0x%08x\n", n_IRQ, val,
696 opp->src[n_IRQ].ivpr);
699 static void openpic_gcr_write(OpenPICState *opp, uint64_t val)
701 bool mpic_proxy = false;
703 if (val & GCR_RESET) {
704 openpic_reset(DEVICE(opp));
708 opp->gcr &= ~opp->mpic_mode_mask;
709 opp->gcr |= val & opp->mpic_mode_mask;
711 /* Set external proxy mode */
712 if ((val & opp->mpic_mode_mask) == GCR_MODE_PROXY) {
716 ppce500_set_mpic_proxy(mpic_proxy);
719 static void openpic_gbl_write(void *opaque, hwaddr addr, uint64_t val,
722 OpenPICState *opp = opaque;
726 DPRINTF("%s: addr %#" HWADDR_PRIx " <= %08" PRIx64 "\n",
727 __func__, addr, val);
732 case 0x00: /* Block Revision Register1 (BRR1) is Readonly */
742 openpic_cpu_write_internal(opp, addr, val, get_current_cpu());
744 case 0x1000: /* FRR */
746 case 0x1020: /* GCR */
747 openpic_gcr_write(opp, val);
749 case 0x1080: /* VIR */
751 case 0x1090: /* PIR */
752 for (idx = 0; idx < opp->nb_cpus; idx++) {
753 if ((val & (1 << idx)) && !(opp->pir & (1 << idx))) {
754 DPRINTF("Raise OpenPIC RESET output for CPU %d\n", idx);
755 dst = &opp->dst[idx];
756 qemu_irq_raise(dst->irqs[OPENPIC_OUTPUT_RESET]);
757 } else if (!(val & (1 << idx)) && (opp->pir & (1 << idx))) {
758 DPRINTF("Lower OpenPIC RESET output for CPU %d\n", idx);
759 dst = &opp->dst[idx];
760 qemu_irq_lower(dst->irqs[OPENPIC_OUTPUT_RESET]);
765 case 0x10A0: /* IPI_IVPR */
771 idx = (addr - 0x10A0) >> 4;
772 write_IRQreg_ivpr(opp, opp->irq_ipi0 + idx, val);
775 case 0x10E0: /* SPVE */
776 opp->spve = val & opp->vector_mask;
783 static uint64_t openpic_gbl_read(void *opaque, hwaddr addr, unsigned len)
785 OpenPICState *opp = opaque;
788 DPRINTF("%s: addr %#" HWADDR_PRIx "\n", __func__, addr);
794 case 0x1000: /* FRR */
797 case 0x1020: /* GCR */
800 case 0x1080: /* VIR */
803 case 0x1090: /* PIR */
806 case 0x00: /* Block Revision Register1 (BRR1) */
817 retval = openpic_cpu_read_internal(opp, addr, get_current_cpu());
819 case 0x10A0: /* IPI_IVPR */
825 idx = (addr - 0x10A0) >> 4;
826 retval = read_IRQreg_ivpr(opp, opp->irq_ipi0 + idx);
829 case 0x10E0: /* SPVE */
835 DPRINTF("%s: => 0x%08x\n", __func__, retval);
840 static void openpic_tmr_write(void *opaque, hwaddr addr, uint64_t val,
843 OpenPICState *opp = opaque;
848 DPRINTF("%s: addr %#" HWADDR_PRIx " <= %08" PRIx64 "\n",
849 __func__, addr, val);
854 if (addr == 0x10f0) {
860 idx = (addr >> 6) & 0x3;
863 switch (addr & 0x30) {
864 case 0x00: /* TCCR */
866 case 0x10: /* TBCR */
867 if ((opp->timers[idx].tccr & TCCR_TOG) != 0 &&
868 (val & TBCR_CI) == 0 &&
869 (opp->timers[idx].tbcr & TBCR_CI) != 0) {
870 opp->timers[idx].tccr &= ~TCCR_TOG;
872 opp->timers[idx].tbcr = val;
874 case 0x20: /* TVPR */
875 write_IRQreg_ivpr(opp, opp->irq_tim0 + idx, val);
878 write_IRQreg_idr(opp, opp->irq_tim0 + idx, val);
883 static uint64_t openpic_tmr_read(void *opaque, hwaddr addr, unsigned len)
885 OpenPICState *opp = opaque;
886 uint32_t retval = -1;
889 DPRINTF("%s: addr %#" HWADDR_PRIx "\n", __func__, addr);
893 idx = (addr >> 6) & 0x3;
899 switch (addr & 0x30) {
900 case 0x00: /* TCCR */
901 retval = opp->timers[idx].tccr;
903 case 0x10: /* TBCR */
904 retval = opp->timers[idx].tbcr;
906 case 0x20: /* TIPV */
907 retval = read_IRQreg_ivpr(opp, opp->irq_tim0 + idx);
909 case 0x30: /* TIDE (TIDR) */
910 retval = read_IRQreg_idr(opp, opp->irq_tim0 + idx);
915 DPRINTF("%s: => 0x%08x\n", __func__, retval);
920 static void openpic_src_write(void *opaque, hwaddr addr, uint64_t val,
923 OpenPICState *opp = opaque;
926 DPRINTF("%s: addr %#" HWADDR_PRIx " <= %08" PRIx64 "\n",
927 __func__, addr, val);
929 addr = addr & 0xffff;
932 switch (addr & 0x1f) {
934 write_IRQreg_ivpr(opp, idx, val);
937 write_IRQreg_idr(opp, idx, val);
940 write_IRQreg_ilr(opp, idx, val);
945 static uint64_t openpic_src_read(void *opaque, uint64_t addr, unsigned len)
947 OpenPICState *opp = opaque;
951 DPRINTF("%s: addr %#" HWADDR_PRIx "\n", __func__, addr);
954 addr = addr & 0xffff;
957 switch (addr & 0x1f) {
959 retval = read_IRQreg_ivpr(opp, idx);
962 retval = read_IRQreg_idr(opp, idx);
965 retval = read_IRQreg_ilr(opp, idx);
969 DPRINTF("%s: => 0x%08x\n", __func__, retval);
973 static void openpic_msi_write(void *opaque, hwaddr addr, uint64_t val,
976 OpenPICState *opp = opaque;
977 int idx = opp->irq_msi;
980 DPRINTF("%s: addr %#" HWADDR_PRIx " <= 0x%08" PRIx64 "\n",
981 __func__, addr, val);
988 srs = val >> MSIIR_SRS_SHIFT;
990 ibs = (val & MSIIR_IBS_MASK) >> MSIIR_IBS_SHIFT;
991 opp->msi[srs].msir |= 1 << ibs;
992 openpic_set_irq(opp, idx, 1);
995 /* most registers are read-only, thus ignored */
1000 static uint64_t openpic_msi_read(void *opaque, hwaddr addr, unsigned size)
1002 OpenPICState *opp = opaque;
1006 DPRINTF("%s: addr %#" HWADDR_PRIx "\n", __func__, addr);
1021 case 0x70: /* MSIRs */
1022 r = opp->msi[srs].msir;
1024 opp->msi[srs].msir = 0;
1025 openpic_set_irq(opp, opp->irq_msi + srs, 0);
1027 case 0x120: /* MSISR */
1028 for (i = 0; i < MAX_MSI; i++) {
1029 r |= (opp->msi[i].msir ? 1 : 0) << i;
1037 static uint64_t openpic_summary_read(void *opaque, hwaddr addr, unsigned size)
1041 DPRINTF("%s: addr %#" HWADDR_PRIx "\n", __func__, addr);
1043 /* TODO: EISR/EIMR */
1048 static void openpic_summary_write(void *opaque, hwaddr addr, uint64_t val,
1051 DPRINTF("%s: addr %#" HWADDR_PRIx " <= 0x%08" PRIx64 "\n",
1052 __func__, addr, val);
1054 /* TODO: EISR/EIMR */
1057 static void openpic_cpu_write_internal(void *opaque, hwaddr addr,
1058 uint32_t val, int idx)
1060 OpenPICState *opp = opaque;
1065 DPRINTF("%s: cpu %d addr %#" HWADDR_PRIx " <= 0x%08x\n", __func__, idx,
1075 dst = &opp->dst[idx];
1078 case 0x40: /* IPIDR */
1082 idx = (addr - 0x40) >> 4;
1083 /* we use IDE as mask which CPUs to deliver the IPI to still. */
1084 opp->src[opp->irq_ipi0 + idx].destmask |= val;
1085 openpic_set_irq(opp, opp->irq_ipi0 + idx, 1);
1086 openpic_set_irq(opp, opp->irq_ipi0 + idx, 0);
1088 case 0x80: /* CTPR */
1089 dst->ctpr = val & 0x0000000F;
1091 DPRINTF("%s: set CPU %d ctpr to %d, raised %d servicing %d\n",
1092 __func__, idx, dst->ctpr, dst->raised.priority,
1093 dst->servicing.priority);
1095 if (dst->raised.priority <= dst->ctpr) {
1096 DPRINTF("%s: Lower OpenPIC INT output cpu %d due to ctpr\n",
1098 qemu_irq_lower(dst->irqs[OPENPIC_OUTPUT_INT]);
1099 } else if (dst->raised.priority > dst->servicing.priority) {
1100 DPRINTF("%s: Raise OpenPIC INT output cpu %d irq %d\n",
1101 __func__, idx, dst->raised.next);
1102 qemu_irq_raise(dst->irqs[OPENPIC_OUTPUT_INT]);
1106 case 0x90: /* WHOAMI */
1107 /* Read-only register */
1109 case 0xA0: /* IACK */
1110 /* Read-only register */
1112 case 0xB0: /* EOI */
1114 s_IRQ = IRQ_get_next(opp, &dst->servicing);
1117 DPRINTF("%s: EOI with no interrupt in service\n", __func__);
1121 IRQ_resetbit(&dst->servicing, s_IRQ);
1122 /* Set up next servicing IRQ */
1123 s_IRQ = IRQ_get_next(opp, &dst->servicing);
1124 /* Check queued interrupts. */
1125 n_IRQ = IRQ_get_next(opp, &dst->raised);
1126 src = &opp->src[n_IRQ];
1129 IVPR_PRIORITY(src->ivpr) > dst->servicing.priority)) {
1130 DPRINTF("Raise OpenPIC INT output cpu %d irq %d\n",
1132 qemu_irq_raise(opp->dst[idx].irqs[OPENPIC_OUTPUT_INT]);
1140 static void openpic_cpu_write(void *opaque, hwaddr addr, uint64_t val,
1143 openpic_cpu_write_internal(opaque, addr, val, (addr & 0x1f000) >> 12);
1147 static uint32_t openpic_iack(OpenPICState *opp, IRQDest *dst, int cpu)
1152 DPRINTF("Lower OpenPIC INT output\n");
1153 qemu_irq_lower(dst->irqs[OPENPIC_OUTPUT_INT]);
1155 irq = IRQ_get_next(opp, &dst->raised);
1156 DPRINTF("IACK: irq=%d\n", irq);
1159 /* No more interrupt pending */
1163 src = &opp->src[irq];
1164 if (!(src->ivpr & IVPR_ACTIVITY_MASK) ||
1165 !(IVPR_PRIORITY(src->ivpr) > dst->ctpr)) {
1166 fprintf(stderr, "%s: bad raised IRQ %d ctpr %d ivpr 0x%08x\n",
1167 __func__, irq, dst->ctpr, src->ivpr);
1168 openpic_update_irq(opp, irq);
1171 /* IRQ enter servicing state */
1172 IRQ_setbit(&dst->servicing, irq);
1173 retval = IVPR_VECTOR(opp, src->ivpr);
1177 /* edge-sensitive IRQ */
1178 src->ivpr &= ~IVPR_ACTIVITY_MASK;
1180 IRQ_resetbit(&dst->raised, irq);
1183 if ((irq >= opp->irq_ipi0) && (irq < (opp->irq_ipi0 + OPENPIC_MAX_IPI))) {
1184 src->destmask &= ~(1 << cpu);
1185 if (src->destmask && !src->level) {
1186 /* trigger on CPUs that didn't know about it yet */
1187 openpic_set_irq(opp, irq, 1);
1188 openpic_set_irq(opp, irq, 0);
1189 /* if all CPUs knew about it, set active bit again */
1190 src->ivpr |= IVPR_ACTIVITY_MASK;
1197 static uint32_t openpic_cpu_read_internal(void *opaque, hwaddr addr,
1200 OpenPICState *opp = opaque;
1204 DPRINTF("%s: cpu %d addr %#" HWADDR_PRIx "\n", __func__, idx, addr);
1205 retval = 0xFFFFFFFF;
1214 dst = &opp->dst[idx];
1217 case 0x80: /* CTPR */
1220 case 0x90: /* WHOAMI */
1223 case 0xA0: /* IACK */
1224 retval = openpic_iack(opp, dst, idx);
1226 case 0xB0: /* EOI */
1232 DPRINTF("%s: => 0x%08x\n", __func__, retval);
1237 static uint64_t openpic_cpu_read(void *opaque, hwaddr addr, unsigned len)
1239 return openpic_cpu_read_internal(opaque, addr, (addr & 0x1f000) >> 12);
1242 static const MemoryRegionOps openpic_glb_ops_le = {
1243 .write = openpic_gbl_write,
1244 .read = openpic_gbl_read,
1245 .endianness = DEVICE_LITTLE_ENDIAN,
1247 .min_access_size = 4,
1248 .max_access_size = 4,
1252 static const MemoryRegionOps openpic_glb_ops_be = {
1253 .write = openpic_gbl_write,
1254 .read = openpic_gbl_read,
1255 .endianness = DEVICE_BIG_ENDIAN,
1257 .min_access_size = 4,
1258 .max_access_size = 4,
1262 static const MemoryRegionOps openpic_tmr_ops_le = {
1263 .write = openpic_tmr_write,
1264 .read = openpic_tmr_read,
1265 .endianness = DEVICE_LITTLE_ENDIAN,
1267 .min_access_size = 4,
1268 .max_access_size = 4,
1272 static const MemoryRegionOps openpic_tmr_ops_be = {
1273 .write = openpic_tmr_write,
1274 .read = openpic_tmr_read,
1275 .endianness = DEVICE_BIG_ENDIAN,
1277 .min_access_size = 4,
1278 .max_access_size = 4,
1282 static const MemoryRegionOps openpic_cpu_ops_le = {
1283 .write = openpic_cpu_write,
1284 .read = openpic_cpu_read,
1285 .endianness = DEVICE_LITTLE_ENDIAN,
1287 .min_access_size = 4,
1288 .max_access_size = 4,
1292 static const MemoryRegionOps openpic_cpu_ops_be = {
1293 .write = openpic_cpu_write,
1294 .read = openpic_cpu_read,
1295 .endianness = DEVICE_BIG_ENDIAN,
1297 .min_access_size = 4,
1298 .max_access_size = 4,
1302 static const MemoryRegionOps openpic_src_ops_le = {
1303 .write = openpic_src_write,
1304 .read = openpic_src_read,
1305 .endianness = DEVICE_LITTLE_ENDIAN,
1307 .min_access_size = 4,
1308 .max_access_size = 4,
1312 static const MemoryRegionOps openpic_src_ops_be = {
1313 .write = openpic_src_write,
1314 .read = openpic_src_read,
1315 .endianness = DEVICE_BIG_ENDIAN,
1317 .min_access_size = 4,
1318 .max_access_size = 4,
1322 static const MemoryRegionOps openpic_msi_ops_be = {
1323 .read = openpic_msi_read,
1324 .write = openpic_msi_write,
1325 .endianness = DEVICE_BIG_ENDIAN,
1327 .min_access_size = 4,
1328 .max_access_size = 4,
1332 static const MemoryRegionOps openpic_summary_ops_be = {
1333 .read = openpic_summary_read,
1334 .write = openpic_summary_write,
1335 .endianness = DEVICE_BIG_ENDIAN,
1337 .min_access_size = 4,
1338 .max_access_size = 4,
1342 static void openpic_save_IRQ_queue(QEMUFile* f, IRQQueue *q)
1346 for (i = 0; i < ARRAY_SIZE(q->queue); i++) {
1347 /* Always put the lower half of a 64-bit long first, in case we
1348 * restore on a 32-bit host. The least significant bits correspond
1349 * to lower IRQ numbers in the bitmap.
1351 qemu_put_be32(f, (uint32_t)q->queue[i]);
1352 #if LONG_MAX > 0x7FFFFFFF
1353 qemu_put_be32(f, (uint32_t)(q->queue[i] >> 32));
1357 qemu_put_sbe32s(f, &q->next);
1358 qemu_put_sbe32s(f, &q->priority);
1361 static void openpic_save(QEMUFile* f, void *opaque)
1363 OpenPICState *opp = (OpenPICState *)opaque;
1366 qemu_put_be32s(f, &opp->gcr);
1367 qemu_put_be32s(f, &opp->vir);
1368 qemu_put_be32s(f, &opp->pir);
1369 qemu_put_be32s(f, &opp->spve);
1370 qemu_put_be32s(f, &opp->tfrr);
1372 qemu_put_be32s(f, &opp->nb_cpus);
1374 for (i = 0; i < opp->nb_cpus; i++) {
1375 qemu_put_sbe32s(f, &opp->dst[i].ctpr);
1376 openpic_save_IRQ_queue(f, &opp->dst[i].raised);
1377 openpic_save_IRQ_queue(f, &opp->dst[i].servicing);
1378 qemu_put_buffer(f, (uint8_t *)&opp->dst[i].outputs_active,
1379 sizeof(opp->dst[i].outputs_active));
1382 for (i = 0; i < OPENPIC_MAX_TMR; i++) {
1383 qemu_put_be32s(f, &opp->timers[i].tccr);
1384 qemu_put_be32s(f, &opp->timers[i].tbcr);
1387 for (i = 0; i < opp->max_irq; i++) {
1388 qemu_put_be32s(f, &opp->src[i].ivpr);
1389 qemu_put_be32s(f, &opp->src[i].idr);
1390 qemu_get_be32s(f, &opp->src[i].destmask);
1391 qemu_put_sbe32s(f, &opp->src[i].last_cpu);
1392 qemu_put_sbe32s(f, &opp->src[i].pending);
1396 static void openpic_load_IRQ_queue(QEMUFile* f, IRQQueue *q)
1400 for (i = 0; i < ARRAY_SIZE(q->queue); i++) {
1403 val = qemu_get_be32(f);
1404 #if LONG_MAX > 0x7FFFFFFF
1406 val |= qemu_get_be32(f);
1412 qemu_get_sbe32s(f, &q->next);
1413 qemu_get_sbe32s(f, &q->priority);
1416 static int openpic_load(QEMUFile* f, void *opaque, int version_id)
1418 OpenPICState *opp = (OpenPICState *)opaque;
1421 if (version_id != 1) {
1425 qemu_get_be32s(f, &opp->gcr);
1426 qemu_get_be32s(f, &opp->vir);
1427 qemu_get_be32s(f, &opp->pir);
1428 qemu_get_be32s(f, &opp->spve);
1429 qemu_get_be32s(f, &opp->tfrr);
1431 qemu_get_be32s(f, &opp->nb_cpus);
1433 for (i = 0; i < opp->nb_cpus; i++) {
1434 qemu_get_sbe32s(f, &opp->dst[i].ctpr);
1435 openpic_load_IRQ_queue(f, &opp->dst[i].raised);
1436 openpic_load_IRQ_queue(f, &opp->dst[i].servicing);
1437 qemu_get_buffer(f, (uint8_t *)&opp->dst[i].outputs_active,
1438 sizeof(opp->dst[i].outputs_active));
1441 for (i = 0; i < OPENPIC_MAX_TMR; i++) {
1442 qemu_get_be32s(f, &opp->timers[i].tccr);
1443 qemu_get_be32s(f, &opp->timers[i].tbcr);
1446 for (i = 0; i < opp->max_irq; i++) {
1449 val = qemu_get_be32(f);
1450 write_IRQreg_idr(opp, i, val);
1451 val = qemu_get_be32(f);
1452 write_IRQreg_ivpr(opp, i, val);
1454 qemu_get_be32s(f, &opp->src[i].ivpr);
1455 qemu_get_be32s(f, &opp->src[i].idr);
1456 qemu_get_be32s(f, &opp->src[i].destmask);
1457 qemu_get_sbe32s(f, &opp->src[i].last_cpu);
1458 qemu_get_sbe32s(f, &opp->src[i].pending);
1464 typedef struct MemReg {
1466 MemoryRegionOps const *ops;
1471 static void fsl_common_init(OpenPICState *opp)
1474 int virq = OPENPIC_MAX_SRC;
1476 opp->vid = VID_REVISION_1_2;
1477 opp->vir = VIR_GENERIC;
1478 opp->vector_mask = 0xFFFF;
1479 opp->tfrr_reset = 0;
1480 opp->ivpr_reset = IVPR_MASK_MASK;
1481 opp->idr_reset = 1 << 0;
1482 opp->max_irq = OPENPIC_MAX_IRQ;
1484 opp->irq_ipi0 = virq;
1485 virq += OPENPIC_MAX_IPI;
1486 opp->irq_tim0 = virq;
1487 virq += OPENPIC_MAX_TMR;
1489 assert(virq <= OPENPIC_MAX_IRQ);
1493 msi_supported = true;
1494 for (i = 0; i < opp->fsl->max_ext; i++) {
1495 opp->src[i].level = false;
1498 /* Internal interrupts, including message and MSI */
1499 for (i = 16; i < OPENPIC_MAX_SRC; i++) {
1500 opp->src[i].type = IRQ_TYPE_FSLINT;
1501 opp->src[i].level = true;
1504 /* timers and IPIs */
1505 for (i = OPENPIC_MAX_SRC; i < virq; i++) {
1506 opp->src[i].type = IRQ_TYPE_FSLSPECIAL;
1507 opp->src[i].level = false;
1511 static void map_list(OpenPICState *opp, const MemReg *list, int *count)
1513 while (list->name) {
1514 assert(*count < ARRAY_SIZE(opp->sub_io_mem));
1516 memory_region_init_io(&opp->sub_io_mem[*count], OBJECT(opp), list->ops,
1517 opp, list->name, list->size);
1519 memory_region_add_subregion(&opp->mem, list->start_addr,
1520 &opp->sub_io_mem[*count]);
1527 static void openpic_init(Object *obj)
1529 OpenPICState *opp = OPENPIC(obj);
1531 memory_region_init(&opp->mem, obj, "openpic", 0x40000);
1534 static void openpic_realize(DeviceState *dev, Error **errp)
1536 SysBusDevice *d = SYS_BUS_DEVICE(dev);
1537 OpenPICState *opp = OPENPIC(dev);
1540 static const MemReg list_le[] = {
1541 {"glb", &openpic_glb_ops_le,
1542 OPENPIC_GLB_REG_START, OPENPIC_GLB_REG_SIZE},
1543 {"tmr", &openpic_tmr_ops_le,
1544 OPENPIC_TMR_REG_START, OPENPIC_TMR_REG_SIZE},
1545 {"src", &openpic_src_ops_le,
1546 OPENPIC_SRC_REG_START, OPENPIC_SRC_REG_SIZE},
1547 {"cpu", &openpic_cpu_ops_le,
1548 OPENPIC_CPU_REG_START, OPENPIC_CPU_REG_SIZE},
1551 static const MemReg list_be[] = {
1552 {"glb", &openpic_glb_ops_be,
1553 OPENPIC_GLB_REG_START, OPENPIC_GLB_REG_SIZE},
1554 {"tmr", &openpic_tmr_ops_be,
1555 OPENPIC_TMR_REG_START, OPENPIC_TMR_REG_SIZE},
1556 {"src", &openpic_src_ops_be,
1557 OPENPIC_SRC_REG_START, OPENPIC_SRC_REG_SIZE},
1558 {"cpu", &openpic_cpu_ops_be,
1559 OPENPIC_CPU_REG_START, OPENPIC_CPU_REG_SIZE},
1562 static const MemReg list_fsl[] = {
1563 {"msi", &openpic_msi_ops_be,
1564 OPENPIC_MSI_REG_START, OPENPIC_MSI_REG_SIZE},
1565 {"summary", &openpic_summary_ops_be,
1566 OPENPIC_SUMMARY_REG_START, OPENPIC_SUMMARY_REG_SIZE},
1570 switch (opp->model) {
1571 case OPENPIC_MODEL_FSL_MPIC_20:
1573 opp->fsl = &fsl_mpic_20;
1574 opp->brr1 = 0x00400200;
1575 opp->flags |= OPENPIC_FLAG_IDR_CRIT;
1577 opp->mpic_mode_mask = GCR_MODE_MIXED;
1579 fsl_common_init(opp);
1580 map_list(opp, list_be, &list_count);
1581 map_list(opp, list_fsl, &list_count);
1585 case OPENPIC_MODEL_FSL_MPIC_42:
1586 opp->fsl = &fsl_mpic_42;
1587 opp->brr1 = 0x00400402;
1588 opp->flags |= OPENPIC_FLAG_ILR;
1590 opp->mpic_mode_mask = GCR_MODE_PROXY;
1592 fsl_common_init(opp);
1593 map_list(opp, list_be, &list_count);
1594 map_list(opp, list_fsl, &list_count);
1598 case OPENPIC_MODEL_RAVEN:
1599 opp->nb_irqs = RAVEN_MAX_EXT;
1600 opp->vid = VID_REVISION_1_3;
1601 opp->vir = VIR_GENERIC;
1602 opp->vector_mask = 0xFF;
1603 opp->tfrr_reset = 4160000;
1604 opp->ivpr_reset = IVPR_MASK_MASK | IVPR_MODE_MASK;
1606 opp->max_irq = RAVEN_MAX_IRQ;
1607 opp->irq_ipi0 = RAVEN_IPI_IRQ;
1608 opp->irq_tim0 = RAVEN_TMR_IRQ;
1610 opp->mpic_mode_mask = GCR_MODE_MIXED;
1612 if (opp->nb_cpus != 1) {
1613 error_setg(errp, "Only UP supported today");
1617 map_list(opp, list_le, &list_count);
1621 for (i = 0; i < opp->nb_cpus; i++) {
1622 opp->dst[i].irqs = g_new(qemu_irq, OPENPIC_OUTPUT_NB);
1623 for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
1624 sysbus_init_irq(d, &opp->dst[i].irqs[j]);
1628 register_savevm(dev, "openpic", 0, 2,
1629 openpic_save, openpic_load, opp);
1631 sysbus_init_mmio(d, &opp->mem);
1632 qdev_init_gpio_in(dev, openpic_set_irq, opp->max_irq);
1635 static Property openpic_properties[] = {
1636 DEFINE_PROP_UINT32("model", OpenPICState, model, OPENPIC_MODEL_FSL_MPIC_20),
1637 DEFINE_PROP_UINT32("nb_cpus", OpenPICState, nb_cpus, 1),
1638 DEFINE_PROP_END_OF_LIST(),
1641 static void openpic_class_init(ObjectClass *oc, void *data)
1643 DeviceClass *dc = DEVICE_CLASS(oc);
1645 dc->realize = openpic_realize;
1646 dc->props = openpic_properties;
1647 dc->reset = openpic_reset;
1650 static const TypeInfo openpic_info = {
1651 .name = TYPE_OPENPIC,
1652 .parent = TYPE_SYS_BUS_DEVICE,
1653 .instance_size = sizeof(OpenPICState),
1654 .instance_init = openpic_init,
1655 .class_init = openpic_class_init,
1658 static void openpic_register_types(void)
1660 type_register_static(&openpic_info);
1663 type_init(openpic_register_types)