xref: /openbmc/qemu/hw/arm/xlnx-versal.c (revision cbb45ff0)
1 /*
2  * Xilinx Versal SoC model.
3  *
4  * Copyright (c) 2018 Xilinx Inc.
5  * Written by Edgar E. Iglesias
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 or
9  * (at your option) any later version.
10  */
11 
12 #include "qemu/osdep.h"
13 #include "qemu/units.h"
14 #include "qapi/error.h"
15 #include "qemu/module.h"
16 #include "hw/sysbus.h"
17 #include "net/net.h"
18 #include "sysemu/sysemu.h"
19 #include "sysemu/kvm.h"
20 #include "hw/arm/boot.h"
21 #include "kvm_arm.h"
22 #include "hw/misc/unimp.h"
23 #include "hw/arm/xlnx-versal.h"
24 #include "qemu/log.h"
25 #include "hw/sysbus.h"
26 
27 #define XLNX_VERSAL_ACPU_TYPE ARM_CPU_TYPE_NAME("cortex-a72")
28 #define GEM_REVISION        0x40070106
29 
30 #define VERSAL_NUM_PMC_APB_IRQS 3
31 
32 static void versal_create_apu_cpus(Versal *s)
33 {
34     int i;
35 
36     for (i = 0; i < ARRAY_SIZE(s->fpd.apu.cpu); i++) {
37         Object *obj;
38 
39         object_initialize_child(OBJECT(s), "apu-cpu[*]", &s->fpd.apu.cpu[i],
40                                 XLNX_VERSAL_ACPU_TYPE);
41         obj = OBJECT(&s->fpd.apu.cpu[i]);
42         object_property_set_int(obj, "psci-conduit", s->cfg.psci_conduit,
43                                 &error_abort);
44         if (i) {
45             /* Secondary CPUs start in PSCI powered-down state */
46             object_property_set_bool(obj, "start-powered-off", true,
47                                      &error_abort);
48         }
49 
50         object_property_set_int(obj, "core-count", ARRAY_SIZE(s->fpd.apu.cpu),
51                                 &error_abort);
52         object_property_set_link(obj, "memory", OBJECT(&s->fpd.apu.mr),
53                                  &error_abort);
54         qdev_realize(DEVICE(obj), NULL, &error_fatal);
55     }
56 }
57 
58 static void versal_create_apu_gic(Versal *s, qemu_irq *pic)
59 {
60     static const uint64_t addrs[] = {
61         MM_GIC_APU_DIST_MAIN,
62         MM_GIC_APU_REDIST_0
63     };
64     SysBusDevice *gicbusdev;
65     DeviceState *gicdev;
66     int nr_apu_cpus = ARRAY_SIZE(s->fpd.apu.cpu);
67     int i;
68 
69     object_initialize_child(OBJECT(s), "apu-gic", &s->fpd.apu.gic,
70                             gicv3_class_name());
71     gicbusdev = SYS_BUS_DEVICE(&s->fpd.apu.gic);
72     gicdev = DEVICE(&s->fpd.apu.gic);
73     qdev_prop_set_uint32(gicdev, "revision", 3);
74     qdev_prop_set_uint32(gicdev, "num-cpu", nr_apu_cpus);
75     qdev_prop_set_uint32(gicdev, "num-irq", XLNX_VERSAL_NR_IRQS + 32);
76     qdev_prop_set_uint32(gicdev, "len-redist-region-count", 1);
77     qdev_prop_set_uint32(gicdev, "redist-region-count[0]", nr_apu_cpus);
78     qdev_prop_set_bit(gicdev, "has-security-extensions", true);
79 
80     sysbus_realize(SYS_BUS_DEVICE(&s->fpd.apu.gic), &error_fatal);
81 
82     for (i = 0; i < ARRAY_SIZE(addrs); i++) {
83         MemoryRegion *mr;
84 
85         mr = sysbus_mmio_get_region(gicbusdev, i);
86         memory_region_add_subregion(&s->fpd.apu.mr, addrs[i], mr);
87     }
88 
89     for (i = 0; i < nr_apu_cpus; i++) {
90         DeviceState *cpudev = DEVICE(&s->fpd.apu.cpu[i]);
91         int ppibase = XLNX_VERSAL_NR_IRQS + i * GIC_INTERNAL + GIC_NR_SGIS;
92         qemu_irq maint_irq;
93         int ti;
94         /* Mapping from the output timer irq lines from the CPU to the
95          * GIC PPI inputs.
96          */
97         const int timer_irq[] = {
98             [GTIMER_PHYS] = VERSAL_TIMER_NS_EL1_IRQ,
99             [GTIMER_VIRT] = VERSAL_TIMER_VIRT_IRQ,
100             [GTIMER_HYP]  = VERSAL_TIMER_NS_EL2_IRQ,
101             [GTIMER_SEC]  = VERSAL_TIMER_S_EL1_IRQ,
102         };
103 
104         for (ti = 0; ti < ARRAY_SIZE(timer_irq); ti++) {
105             qdev_connect_gpio_out(cpudev, ti,
106                                   qdev_get_gpio_in(gicdev,
107                                                    ppibase + timer_irq[ti]));
108         }
109         maint_irq = qdev_get_gpio_in(gicdev,
110                                         ppibase + VERSAL_GIC_MAINT_IRQ);
111         qdev_connect_gpio_out_named(cpudev, "gicv3-maintenance-interrupt",
112                                     0, maint_irq);
113         sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
114         sysbus_connect_irq(gicbusdev, i + nr_apu_cpus,
115                            qdev_get_gpio_in(cpudev, ARM_CPU_FIQ));
116         sysbus_connect_irq(gicbusdev, i + 2 * nr_apu_cpus,
117                            qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ));
118         sysbus_connect_irq(gicbusdev, i + 3 * nr_apu_cpus,
119                            qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ));
120     }
121 
122     for (i = 0; i < XLNX_VERSAL_NR_IRQS; i++) {
123         pic[i] = qdev_get_gpio_in(gicdev, i);
124     }
125 }
126 
127 static void versal_create_uarts(Versal *s, qemu_irq *pic)
128 {
129     int i;
130 
131     for (i = 0; i < ARRAY_SIZE(s->lpd.iou.uart); i++) {
132         static const int irqs[] = { VERSAL_UART0_IRQ_0, VERSAL_UART1_IRQ_0};
133         static const uint64_t addrs[] = { MM_UART0, MM_UART1 };
134         char *name = g_strdup_printf("uart%d", i);
135         DeviceState *dev;
136         MemoryRegion *mr;
137 
138         object_initialize_child(OBJECT(s), name, &s->lpd.iou.uart[i],
139                                 TYPE_PL011);
140         dev = DEVICE(&s->lpd.iou.uart[i]);
141         qdev_prop_set_chr(dev, "chardev", serial_hd(i));
142         sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
143 
144         mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
145         memory_region_add_subregion(&s->mr_ps, addrs[i], mr);
146 
147         sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[irqs[i]]);
148         g_free(name);
149     }
150 }
151 
152 static void versal_create_usbs(Versal *s, qemu_irq *pic)
153 {
154     DeviceState *dev;
155     MemoryRegion *mr;
156 
157     object_initialize_child(OBJECT(s), "usb2", &s->lpd.iou.usb,
158                             TYPE_XILINX_VERSAL_USB2);
159     dev = DEVICE(&s->lpd.iou.usb);
160 
161     object_property_set_link(OBJECT(dev), "dma", OBJECT(&s->mr_ps),
162                              &error_abort);
163     qdev_prop_set_uint32(dev, "intrs", 1);
164     qdev_prop_set_uint32(dev, "slots", 2);
165 
166     sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
167 
168     mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
169     memory_region_add_subregion(&s->mr_ps, MM_USB_0, mr);
170 
171     sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[VERSAL_USB0_IRQ_0]);
172 
173     mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1);
174     memory_region_add_subregion(&s->mr_ps, MM_USB2_CTRL_REGS, mr);
175 }
176 
177 static void versal_create_gems(Versal *s, qemu_irq *pic)
178 {
179     int i;
180 
181     for (i = 0; i < ARRAY_SIZE(s->lpd.iou.gem); i++) {
182         static const int irqs[] = { VERSAL_GEM0_IRQ_0, VERSAL_GEM1_IRQ_0};
183         static const uint64_t addrs[] = { MM_GEM0, MM_GEM1 };
184         char *name = g_strdup_printf("gem%d", i);
185         NICInfo *nd = &nd_table[i];
186         DeviceState *dev;
187         MemoryRegion *mr;
188 
189         object_initialize_child(OBJECT(s), name, &s->lpd.iou.gem[i],
190                                 TYPE_CADENCE_GEM);
191         dev = DEVICE(&s->lpd.iou.gem[i]);
192         /* FIXME use qdev NIC properties instead of nd_table[] */
193         if (nd->used) {
194             qemu_check_nic_model(nd, "cadence_gem");
195             qdev_set_nic_properties(dev, nd);
196         }
197         object_property_set_int(OBJECT(dev), "phy-addr", 23, &error_abort);
198         object_property_set_int(OBJECT(dev), "num-priority-queues", 2,
199                                 &error_abort);
200         object_property_set_link(OBJECT(dev), "dma", OBJECT(&s->mr_ps),
201                                  &error_abort);
202         sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
203 
204         mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
205         memory_region_add_subregion(&s->mr_ps, addrs[i], mr);
206 
207         sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[irqs[i]]);
208         g_free(name);
209     }
210 }
211 
212 static void versal_create_admas(Versal *s, qemu_irq *pic)
213 {
214     int i;
215 
216     for (i = 0; i < ARRAY_SIZE(s->lpd.iou.adma); i++) {
217         char *name = g_strdup_printf("adma%d", i);
218         DeviceState *dev;
219         MemoryRegion *mr;
220 
221         object_initialize_child(OBJECT(s), name, &s->lpd.iou.adma[i],
222                                 TYPE_XLNX_ZDMA);
223         dev = DEVICE(&s->lpd.iou.adma[i]);
224         object_property_set_int(OBJECT(dev), "bus-width", 128, &error_abort);
225         object_property_set_link(OBJECT(dev), "dma",
226                                  OBJECT(get_system_memory()), &error_fatal);
227         sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
228 
229         mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
230         memory_region_add_subregion(&s->mr_ps,
231                                     MM_ADMA_CH0 + i * MM_ADMA_CH0_SIZE, mr);
232 
233         sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[VERSAL_ADMA_IRQ_0 + i]);
234         g_free(name);
235     }
236 }
237 
238 #define SDHCI_CAPABILITIES  0x280737ec6481 /* Same as on ZynqMP.  */
239 static void versal_create_sds(Versal *s, qemu_irq *pic)
240 {
241     int i;
242 
243     for (i = 0; i < ARRAY_SIZE(s->pmc.iou.sd); i++) {
244         DeviceState *dev;
245         MemoryRegion *mr;
246 
247         object_initialize_child(OBJECT(s), "sd[*]", &s->pmc.iou.sd[i],
248                                 TYPE_SYSBUS_SDHCI);
249         dev = DEVICE(&s->pmc.iou.sd[i]);
250 
251         object_property_set_uint(OBJECT(dev), "sd-spec-version", 3,
252                                  &error_fatal);
253         object_property_set_uint(OBJECT(dev), "capareg", SDHCI_CAPABILITIES,
254                                  &error_fatal);
255         object_property_set_uint(OBJECT(dev), "uhs", UHS_I, &error_fatal);
256         sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
257 
258         mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
259         memory_region_add_subregion(&s->mr_ps,
260                                     MM_PMC_SD0 + i * MM_PMC_SD0_SIZE, mr);
261 
262         sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0,
263                            pic[VERSAL_SD0_IRQ_0 + i * 2]);
264     }
265 }
266 
267 static void versal_create_pmc_apb_irq_orgate(Versal *s, qemu_irq *pic)
268 {
269     DeviceState *orgate;
270 
271     /*
272      * The VERSAL_PMC_APB_IRQ is an 'or' of the interrupts from the following
273      * models:
274      *  - RTC
275      *  - BBRAM
276      *  - PMC SLCR
277      */
278     object_initialize_child(OBJECT(s), "pmc-apb-irq-orgate",
279                             &s->pmc.apb_irq_orgate, TYPE_OR_IRQ);
280     orgate = DEVICE(&s->pmc.apb_irq_orgate);
281     object_property_set_int(OBJECT(orgate),
282                             "num-lines", VERSAL_NUM_PMC_APB_IRQS, &error_fatal);
283     qdev_realize(orgate, NULL, &error_fatal);
284     qdev_connect_gpio_out(orgate, 0, pic[VERSAL_PMC_APB_IRQ]);
285 }
286 
287 static void versal_create_rtc(Versal *s, qemu_irq *pic)
288 {
289     SysBusDevice *sbd;
290     MemoryRegion *mr;
291 
292     object_initialize_child(OBJECT(s), "rtc", &s->pmc.rtc,
293                             TYPE_XLNX_ZYNQMP_RTC);
294     sbd = SYS_BUS_DEVICE(&s->pmc.rtc);
295     sysbus_realize(SYS_BUS_DEVICE(sbd), &error_fatal);
296 
297     mr = sysbus_mmio_get_region(sbd, 0);
298     memory_region_add_subregion(&s->mr_ps, MM_PMC_RTC, mr);
299 
300     /*
301      * TODO: Connect the ALARM and SECONDS interrupts once our RTC model
302      * supports them.
303      */
304     sysbus_connect_irq(sbd, 1,
305                        qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 0));
306 }
307 
308 static void versal_create_xrams(Versal *s, qemu_irq *pic)
309 {
310     int nr_xrams = ARRAY_SIZE(s->lpd.xram.ctrl);
311     DeviceState *orgate;
312     int i;
313 
314     /* XRAM IRQs get ORed into a single line.  */
315     object_initialize_child(OBJECT(s), "xram-irq-orgate",
316                             &s->lpd.xram.irq_orgate, TYPE_OR_IRQ);
317     orgate = DEVICE(&s->lpd.xram.irq_orgate);
318     object_property_set_int(OBJECT(orgate),
319                             "num-lines", nr_xrams, &error_fatal);
320     qdev_realize(orgate, NULL, &error_fatal);
321     qdev_connect_gpio_out(orgate, 0, pic[VERSAL_XRAM_IRQ_0]);
322 
323     for (i = 0; i < ARRAY_SIZE(s->lpd.xram.ctrl); i++) {
324         SysBusDevice *sbd;
325         MemoryRegion *mr;
326 
327         object_initialize_child(OBJECT(s), "xram[*]", &s->lpd.xram.ctrl[i],
328                                 TYPE_XLNX_XRAM_CTRL);
329         sbd = SYS_BUS_DEVICE(&s->lpd.xram.ctrl[i]);
330         sysbus_realize(sbd, &error_fatal);
331 
332         mr = sysbus_mmio_get_region(sbd, 0);
333         memory_region_add_subregion(&s->mr_ps,
334                                     MM_XRAMC + i * MM_XRAMC_SIZE, mr);
335         mr = sysbus_mmio_get_region(sbd, 1);
336         memory_region_add_subregion(&s->mr_ps, MM_XRAM + i * MiB, mr);
337 
338         sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(orgate, i));
339     }
340 }
341 
342 static void versal_create_bbram(Versal *s, qemu_irq *pic)
343 {
344     SysBusDevice *sbd;
345 
346     object_initialize_child_with_props(OBJECT(s), "bbram", &s->pmc.bbram,
347                                        sizeof(s->pmc.bbram), TYPE_XLNX_BBRAM,
348                                        &error_fatal,
349                                        "crc-zpads", "0",
350                                        NULL);
351     sbd = SYS_BUS_DEVICE(&s->pmc.bbram);
352 
353     sysbus_realize(sbd, &error_fatal);
354     memory_region_add_subregion(&s->mr_ps, MM_PMC_BBRAM_CTRL,
355                                 sysbus_mmio_get_region(sbd, 0));
356     sysbus_connect_irq(sbd, 0,
357                        qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 1));
358 }
359 
360 static void versal_realize_efuse_part(Versal *s, Object *dev, hwaddr base)
361 {
362     SysBusDevice *part = SYS_BUS_DEVICE(dev);
363 
364     object_property_set_link(OBJECT(part), "efuse",
365                              OBJECT(&s->pmc.efuse), &error_abort);
366 
367     sysbus_realize(part, &error_abort);
368     memory_region_add_subregion(&s->mr_ps, base,
369                                 sysbus_mmio_get_region(part, 0));
370 }
371 
372 static void versal_create_efuse(Versal *s, qemu_irq *pic)
373 {
374     Object *bits = OBJECT(&s->pmc.efuse);
375     Object *ctrl = OBJECT(&s->pmc.efuse_ctrl);
376     Object *cache = OBJECT(&s->pmc.efuse_cache);
377 
378     object_initialize_child(OBJECT(s), "efuse-ctrl", &s->pmc.efuse_ctrl,
379                             TYPE_XLNX_VERSAL_EFUSE_CTRL);
380 
381     object_initialize_child(OBJECT(s), "efuse-cache", &s->pmc.efuse_cache,
382                             TYPE_XLNX_VERSAL_EFUSE_CACHE);
383 
384     object_initialize_child_with_props(ctrl, "xlnx-efuse@0", bits,
385                                        sizeof(s->pmc.efuse),
386                                        TYPE_XLNX_EFUSE, &error_abort,
387                                        "efuse-nr", "3",
388                                        "efuse-size", "8192",
389                                        NULL);
390 
391     qdev_realize(DEVICE(bits), NULL, &error_abort);
392     versal_realize_efuse_part(s, ctrl, MM_PMC_EFUSE_CTRL);
393     versal_realize_efuse_part(s, cache, MM_PMC_EFUSE_CACHE);
394 
395     sysbus_connect_irq(SYS_BUS_DEVICE(ctrl), 0, pic[VERSAL_EFUSE_IRQ]);
396 }
397 
398 static void versal_create_pmc_iou_slcr(Versal *s, qemu_irq *pic)
399 {
400     SysBusDevice *sbd;
401 
402     object_initialize_child(OBJECT(s), "versal-pmc-iou-slcr", &s->pmc.iou.slcr,
403                             TYPE_XILINX_VERSAL_PMC_IOU_SLCR);
404 
405     sbd = SYS_BUS_DEVICE(&s->pmc.iou.slcr);
406     sysbus_realize(sbd, &error_fatal);
407 
408     memory_region_add_subregion(&s->mr_ps, MM_PMC_PMC_IOU_SLCR,
409                                 sysbus_mmio_get_region(sbd, 0));
410 
411     sysbus_connect_irq(sbd, 0,
412                        qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 2));
413 }
414 
415 /* This takes the board allocated linear DDR memory and creates aliases
416  * for each split DDR range/aperture on the Versal address map.
417  */
418 static void versal_map_ddr(Versal *s)
419 {
420     uint64_t size = memory_region_size(s->cfg.mr_ddr);
421     /* Describes the various split DDR access regions.  */
422     static const struct {
423         uint64_t base;
424         uint64_t size;
425     } addr_ranges[] = {
426         { MM_TOP_DDR, MM_TOP_DDR_SIZE },
427         { MM_TOP_DDR_2, MM_TOP_DDR_2_SIZE },
428         { MM_TOP_DDR_3, MM_TOP_DDR_3_SIZE },
429         { MM_TOP_DDR_4, MM_TOP_DDR_4_SIZE }
430     };
431     uint64_t offset = 0;
432     int i;
433 
434     assert(ARRAY_SIZE(addr_ranges) == ARRAY_SIZE(s->noc.mr_ddr_ranges));
435     for (i = 0; i < ARRAY_SIZE(addr_ranges) && size; i++) {
436         char *name;
437         uint64_t mapsize;
438 
439         mapsize = size < addr_ranges[i].size ? size : addr_ranges[i].size;
440         name = g_strdup_printf("noc-ddr-range%d", i);
441         /* Create the MR alias.  */
442         memory_region_init_alias(&s->noc.mr_ddr_ranges[i], OBJECT(s),
443                                  name, s->cfg.mr_ddr,
444                                  offset, mapsize);
445 
446         /* Map it onto the NoC MR.  */
447         memory_region_add_subregion(&s->mr_ps, addr_ranges[i].base,
448                                     &s->noc.mr_ddr_ranges[i]);
449         offset += mapsize;
450         size -= mapsize;
451         g_free(name);
452     }
453 }
454 
455 static void versal_unimp_area(Versal *s, const char *name,
456                                 MemoryRegion *mr,
457                                 hwaddr base, hwaddr size)
458 {
459     DeviceState *dev = qdev_new(TYPE_UNIMPLEMENTED_DEVICE);
460     MemoryRegion *mr_dev;
461 
462     qdev_prop_set_string(dev, "name", name);
463     qdev_prop_set_uint64(dev, "size", size);
464     object_property_add_child(OBJECT(s), name, OBJECT(dev));
465     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
466 
467     mr_dev = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
468     memory_region_add_subregion(mr, base, mr_dev);
469 }
470 
471 static void versal_unimp_sd_emmc_sel(void *opaque, int n, int level)
472 {
473     qemu_log_mask(LOG_UNIMP,
474                   "Selecting between enabling SD mode or eMMC mode on "
475                   "controller %d is not yet implemented\n", n);
476 }
477 
478 static void versal_unimp_qspi_ospi_mux_sel(void *opaque, int n, int level)
479 {
480     qemu_log_mask(LOG_UNIMP,
481                   "Selecting between enabling the QSPI or OSPI linear address "
482                   "region is not yet implemented\n");
483 }
484 
485 static void versal_unimp_irq_parity_imr(void *opaque, int n, int level)
486 {
487     qemu_log_mask(LOG_UNIMP,
488                   "PMC SLCR parity interrupt behaviour "
489                   "is not yet implemented\n");
490 }
491 
492 static void versal_unimp(Versal *s)
493 {
494     qemu_irq gpio_in;
495 
496     versal_unimp_area(s, "psm", &s->mr_ps,
497                         MM_PSM_START, MM_PSM_END - MM_PSM_START);
498     versal_unimp_area(s, "crl", &s->mr_ps,
499                         MM_CRL, MM_CRL_SIZE);
500     versal_unimp_area(s, "crf", &s->mr_ps,
501                         MM_FPD_CRF, MM_FPD_CRF_SIZE);
502     versal_unimp_area(s, "apu", &s->mr_ps,
503                         MM_FPD_FPD_APU, MM_FPD_FPD_APU_SIZE);
504     versal_unimp_area(s, "crp", &s->mr_ps,
505                         MM_PMC_CRP, MM_PMC_CRP_SIZE);
506     versal_unimp_area(s, "iou-scntr", &s->mr_ps,
507                         MM_IOU_SCNTR, MM_IOU_SCNTR_SIZE);
508     versal_unimp_area(s, "iou-scntr-seucre", &s->mr_ps,
509                         MM_IOU_SCNTRS, MM_IOU_SCNTRS_SIZE);
510 
511     qdev_init_gpio_in_named(DEVICE(s), versal_unimp_sd_emmc_sel,
512                             "sd-emmc-sel-dummy", 2);
513     qdev_init_gpio_in_named(DEVICE(s), versal_unimp_qspi_ospi_mux_sel,
514                             "qspi-ospi-mux-sel-dummy", 1);
515     qdev_init_gpio_in_named(DEVICE(s), versal_unimp_irq_parity_imr,
516                             "irq-parity-imr-dummy", 1);
517 
518     gpio_in = qdev_get_gpio_in_named(DEVICE(s), "sd-emmc-sel-dummy", 0);
519     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr), "sd-emmc-sel", 0,
520                                 gpio_in);
521 
522     gpio_in = qdev_get_gpio_in_named(DEVICE(s), "sd-emmc-sel-dummy", 1);
523     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr), "sd-emmc-sel", 1,
524                                 gpio_in);
525 
526     gpio_in = qdev_get_gpio_in_named(DEVICE(s), "qspi-ospi-mux-sel-dummy", 0);
527     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr),
528                                 "qspi-ospi-mux-sel", 0,
529                                 gpio_in);
530 
531     gpio_in = qdev_get_gpio_in_named(DEVICE(s), "irq-parity-imr-dummy", 0);
532     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr),
533                                 SYSBUS_DEVICE_GPIO_IRQ, 0,
534                                 gpio_in);
535 }
536 
537 static void versal_realize(DeviceState *dev, Error **errp)
538 {
539     Versal *s = XLNX_VERSAL(dev);
540     qemu_irq pic[XLNX_VERSAL_NR_IRQS];
541 
542     versal_create_apu_cpus(s);
543     versal_create_apu_gic(s, pic);
544     versal_create_uarts(s, pic);
545     versal_create_usbs(s, pic);
546     versal_create_gems(s, pic);
547     versal_create_admas(s, pic);
548     versal_create_sds(s, pic);
549     versal_create_pmc_apb_irq_orgate(s, pic);
550     versal_create_rtc(s, pic);
551     versal_create_xrams(s, pic);
552     versal_create_bbram(s, pic);
553     versal_create_efuse(s, pic);
554     versal_create_pmc_iou_slcr(s, pic);
555     versal_map_ddr(s);
556     versal_unimp(s);
557 
558     /* Create the On Chip Memory (OCM).  */
559     memory_region_init_ram(&s->lpd.mr_ocm, OBJECT(s), "ocm",
560                            MM_OCM_SIZE, &error_fatal);
561 
562     memory_region_add_subregion_overlap(&s->mr_ps, MM_OCM, &s->lpd.mr_ocm, 0);
563     memory_region_add_subregion_overlap(&s->fpd.apu.mr, 0, &s->mr_ps, 0);
564 }
565 
566 static void versal_init(Object *obj)
567 {
568     Versal *s = XLNX_VERSAL(obj);
569 
570     memory_region_init(&s->fpd.apu.mr, obj, "mr-apu", UINT64_MAX);
571     memory_region_init(&s->mr_ps, obj, "mr-ps-switch", UINT64_MAX);
572 }
573 
574 static Property versal_properties[] = {
575     DEFINE_PROP_LINK("ddr", Versal, cfg.mr_ddr, TYPE_MEMORY_REGION,
576                      MemoryRegion *),
577     DEFINE_PROP_UINT32("psci-conduit", Versal, cfg.psci_conduit, 0),
578     DEFINE_PROP_END_OF_LIST()
579 };
580 
581 static void versal_class_init(ObjectClass *klass, void *data)
582 {
583     DeviceClass *dc = DEVICE_CLASS(klass);
584 
585     dc->realize = versal_realize;
586     device_class_set_props(dc, versal_properties);
587     /* No VMSD since we haven't got any top-level SoC state to save.  */
588 }
589 
590 static const TypeInfo versal_info = {
591     .name = TYPE_XLNX_VERSAL,
592     .parent = TYPE_SYS_BUS_DEVICE,
593     .instance_size = sizeof(Versal),
594     .instance_init = versal_init,
595     .class_init = versal_class_init,
596 };
597 
598 static void versal_register_types(void)
599 {
600     type_register_static(&versal_info);
601 }
602 
603 type_init(versal_register_types);
604