xref: /openbmc/qemu/hw/arm/xlnx-versal.c (revision 6c3a9247)
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 #define NUM_OSPI_IRQ_LINES 3
32 
33 static void versal_create_apu_cpus(Versal *s)
34 {
35     int i;
36 
37     for (i = 0; i < ARRAY_SIZE(s->fpd.apu.cpu); i++) {
38         Object *obj;
39 
40         object_initialize_child(OBJECT(s), "apu-cpu[*]", &s->fpd.apu.cpu[i],
41                                 XLNX_VERSAL_ACPU_TYPE);
42         obj = OBJECT(&s->fpd.apu.cpu[i]);
43         if (i) {
44             /* Secondary CPUs start in powered-down state */
45             object_property_set_bool(obj, "start-powered-off", true,
46                                      &error_abort);
47         }
48 
49         object_property_set_int(obj, "core-count", ARRAY_SIZE(s->fpd.apu.cpu),
50                                 &error_abort);
51         object_property_set_link(obj, "memory", OBJECT(&s->fpd.apu.mr),
52                                  &error_abort);
53         qdev_realize(DEVICE(obj), NULL, &error_fatal);
54     }
55 }
56 
57 static void versal_create_apu_gic(Versal *s, qemu_irq *pic)
58 {
59     static const uint64_t addrs[] = {
60         MM_GIC_APU_DIST_MAIN,
61         MM_GIC_APU_REDIST_0
62     };
63     SysBusDevice *gicbusdev;
64     DeviceState *gicdev;
65     int nr_apu_cpus = ARRAY_SIZE(s->fpd.apu.cpu);
66     int i;
67 
68     object_initialize_child(OBJECT(s), "apu-gic", &s->fpd.apu.gic,
69                             gicv3_class_name());
70     gicbusdev = SYS_BUS_DEVICE(&s->fpd.apu.gic);
71     gicdev = DEVICE(&s->fpd.apu.gic);
72     qdev_prop_set_uint32(gicdev, "revision", 3);
73     qdev_prop_set_uint32(gicdev, "num-cpu", nr_apu_cpus);
74     qdev_prop_set_uint32(gicdev, "num-irq", XLNX_VERSAL_NR_IRQS + 32);
75     qdev_prop_set_uint32(gicdev, "len-redist-region-count", 1);
76     qdev_prop_set_uint32(gicdev, "redist-region-count[0]", nr_apu_cpus);
77     qdev_prop_set_bit(gicdev, "has-security-extensions", true);
78 
79     sysbus_realize(SYS_BUS_DEVICE(&s->fpd.apu.gic), &error_fatal);
80 
81     for (i = 0; i < ARRAY_SIZE(addrs); i++) {
82         MemoryRegion *mr;
83 
84         mr = sysbus_mmio_get_region(gicbusdev, i);
85         memory_region_add_subregion(&s->fpd.apu.mr, addrs[i], mr);
86     }
87 
88     for (i = 0; i < nr_apu_cpus; i++) {
89         DeviceState *cpudev = DEVICE(&s->fpd.apu.cpu[i]);
90         int ppibase = XLNX_VERSAL_NR_IRQS + i * GIC_INTERNAL + GIC_NR_SGIS;
91         qemu_irq maint_irq;
92         int ti;
93         /* Mapping from the output timer irq lines from the CPU to the
94          * GIC PPI inputs.
95          */
96         const int timer_irq[] = {
97             [GTIMER_PHYS] = VERSAL_TIMER_NS_EL1_IRQ,
98             [GTIMER_VIRT] = VERSAL_TIMER_VIRT_IRQ,
99             [GTIMER_HYP]  = VERSAL_TIMER_NS_EL2_IRQ,
100             [GTIMER_SEC]  = VERSAL_TIMER_S_EL1_IRQ,
101         };
102 
103         for (ti = 0; ti < ARRAY_SIZE(timer_irq); ti++) {
104             qdev_connect_gpio_out(cpudev, ti,
105                                   qdev_get_gpio_in(gicdev,
106                                                    ppibase + timer_irq[ti]));
107         }
108         maint_irq = qdev_get_gpio_in(gicdev,
109                                         ppibase + VERSAL_GIC_MAINT_IRQ);
110         qdev_connect_gpio_out_named(cpudev, "gicv3-maintenance-interrupt",
111                                     0, maint_irq);
112         sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
113         sysbus_connect_irq(gicbusdev, i + nr_apu_cpus,
114                            qdev_get_gpio_in(cpudev, ARM_CPU_FIQ));
115         sysbus_connect_irq(gicbusdev, i + 2 * nr_apu_cpus,
116                            qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ));
117         sysbus_connect_irq(gicbusdev, i + 3 * nr_apu_cpus,
118                            qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ));
119     }
120 
121     for (i = 0; i < XLNX_VERSAL_NR_IRQS; i++) {
122         pic[i] = qdev_get_gpio_in(gicdev, i);
123     }
124 }
125 
126 static void versal_create_uarts(Versal *s, qemu_irq *pic)
127 {
128     int i;
129 
130     for (i = 0; i < ARRAY_SIZE(s->lpd.iou.uart); i++) {
131         static const int irqs[] = { VERSAL_UART0_IRQ_0, VERSAL_UART1_IRQ_0};
132         static const uint64_t addrs[] = { MM_UART0, MM_UART1 };
133         char *name = g_strdup_printf("uart%d", i);
134         DeviceState *dev;
135         MemoryRegion *mr;
136 
137         object_initialize_child(OBJECT(s), name, &s->lpd.iou.uart[i],
138                                 TYPE_PL011);
139         dev = DEVICE(&s->lpd.iou.uart[i]);
140         qdev_prop_set_chr(dev, "chardev", serial_hd(i));
141         sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
142 
143         mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
144         memory_region_add_subregion(&s->mr_ps, addrs[i], mr);
145 
146         sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[irqs[i]]);
147         g_free(name);
148     }
149 }
150 
151 static void versal_create_usbs(Versal *s, qemu_irq *pic)
152 {
153     DeviceState *dev;
154     MemoryRegion *mr;
155 
156     object_initialize_child(OBJECT(s), "usb2", &s->lpd.iou.usb,
157                             TYPE_XILINX_VERSAL_USB2);
158     dev = DEVICE(&s->lpd.iou.usb);
159 
160     object_property_set_link(OBJECT(dev), "dma", OBJECT(&s->mr_ps),
161                              &error_abort);
162     qdev_prop_set_uint32(dev, "intrs", 1);
163     qdev_prop_set_uint32(dev, "slots", 2);
164 
165     sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
166 
167     mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
168     memory_region_add_subregion(&s->mr_ps, MM_USB_0, mr);
169 
170     sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[VERSAL_USB0_IRQ_0]);
171 
172     mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1);
173     memory_region_add_subregion(&s->mr_ps, MM_USB2_CTRL_REGS, mr);
174 }
175 
176 static void versal_create_gems(Versal *s, qemu_irq *pic)
177 {
178     int i;
179 
180     for (i = 0; i < ARRAY_SIZE(s->lpd.iou.gem); i++) {
181         static const int irqs[] = { VERSAL_GEM0_IRQ_0, VERSAL_GEM1_IRQ_0};
182         static const uint64_t addrs[] = { MM_GEM0, MM_GEM1 };
183         char *name = g_strdup_printf("gem%d", i);
184         NICInfo *nd = &nd_table[i];
185         DeviceState *dev;
186         MemoryRegion *mr;
187 
188         object_initialize_child(OBJECT(s), name, &s->lpd.iou.gem[i],
189                                 TYPE_CADENCE_GEM);
190         dev = DEVICE(&s->lpd.iou.gem[i]);
191         /* FIXME use qdev NIC properties instead of nd_table[] */
192         if (nd->used) {
193             qemu_check_nic_model(nd, "cadence_gem");
194             qdev_set_nic_properties(dev, nd);
195         }
196         object_property_set_int(OBJECT(dev), "phy-addr", 23, &error_abort);
197         object_property_set_int(OBJECT(dev), "num-priority-queues", 2,
198                                 &error_abort);
199         object_property_set_link(OBJECT(dev), "dma", OBJECT(&s->mr_ps),
200                                  &error_abort);
201         sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
202 
203         mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
204         memory_region_add_subregion(&s->mr_ps, addrs[i], mr);
205 
206         sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[irqs[i]]);
207         g_free(name);
208     }
209 }
210 
211 static void versal_create_admas(Versal *s, qemu_irq *pic)
212 {
213     int i;
214 
215     for (i = 0; i < ARRAY_SIZE(s->lpd.iou.adma); i++) {
216         char *name = g_strdup_printf("adma%d", i);
217         DeviceState *dev;
218         MemoryRegion *mr;
219 
220         object_initialize_child(OBJECT(s), name, &s->lpd.iou.adma[i],
221                                 TYPE_XLNX_ZDMA);
222         dev = DEVICE(&s->lpd.iou.adma[i]);
223         object_property_set_int(OBJECT(dev), "bus-width", 128, &error_abort);
224         object_property_set_link(OBJECT(dev), "dma",
225                                  OBJECT(get_system_memory()), &error_fatal);
226         sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
227 
228         mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
229         memory_region_add_subregion(&s->mr_ps,
230                                     MM_ADMA_CH0 + i * MM_ADMA_CH0_SIZE, mr);
231 
232         sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[VERSAL_ADMA_IRQ_0 + i]);
233         g_free(name);
234     }
235 }
236 
237 #define SDHCI_CAPABILITIES  0x280737ec6481 /* Same as on ZynqMP.  */
238 static void versal_create_sds(Versal *s, qemu_irq *pic)
239 {
240     int i;
241 
242     for (i = 0; i < ARRAY_SIZE(s->pmc.iou.sd); i++) {
243         DeviceState *dev;
244         MemoryRegion *mr;
245 
246         object_initialize_child(OBJECT(s), "sd[*]", &s->pmc.iou.sd[i],
247                                 TYPE_SYSBUS_SDHCI);
248         dev = DEVICE(&s->pmc.iou.sd[i]);
249 
250         object_property_set_uint(OBJECT(dev), "sd-spec-version", 3,
251                                  &error_fatal);
252         object_property_set_uint(OBJECT(dev), "capareg", SDHCI_CAPABILITIES,
253                                  &error_fatal);
254         object_property_set_uint(OBJECT(dev), "uhs", UHS_I, &error_fatal);
255         sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
256 
257         mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
258         memory_region_add_subregion(&s->mr_ps,
259                                     MM_PMC_SD0 + i * MM_PMC_SD0_SIZE, mr);
260 
261         sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0,
262                            pic[VERSAL_SD0_IRQ_0 + i * 2]);
263     }
264 }
265 
266 static void versal_create_pmc_apb_irq_orgate(Versal *s, qemu_irq *pic)
267 {
268     DeviceState *orgate;
269 
270     /*
271      * The VERSAL_PMC_APB_IRQ is an 'or' of the interrupts from the following
272      * models:
273      *  - RTC
274      *  - BBRAM
275      *  - PMC SLCR
276      */
277     object_initialize_child(OBJECT(s), "pmc-apb-irq-orgate",
278                             &s->pmc.apb_irq_orgate, TYPE_OR_IRQ);
279     orgate = DEVICE(&s->pmc.apb_irq_orgate);
280     object_property_set_int(OBJECT(orgate),
281                             "num-lines", VERSAL_NUM_PMC_APB_IRQS, &error_fatal);
282     qdev_realize(orgate, NULL, &error_fatal);
283     qdev_connect_gpio_out(orgate, 0, pic[VERSAL_PMC_APB_IRQ]);
284 }
285 
286 static void versal_create_rtc(Versal *s, qemu_irq *pic)
287 {
288     SysBusDevice *sbd;
289     MemoryRegion *mr;
290 
291     object_initialize_child(OBJECT(s), "rtc", &s->pmc.rtc,
292                             TYPE_XLNX_ZYNQMP_RTC);
293     sbd = SYS_BUS_DEVICE(&s->pmc.rtc);
294     sysbus_realize(SYS_BUS_DEVICE(sbd), &error_fatal);
295 
296     mr = sysbus_mmio_get_region(sbd, 0);
297     memory_region_add_subregion(&s->mr_ps, MM_PMC_RTC, mr);
298 
299     /*
300      * TODO: Connect the ALARM and SECONDS interrupts once our RTC model
301      * supports them.
302      */
303     sysbus_connect_irq(sbd, 1,
304                        qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 0));
305 }
306 
307 static void versal_create_xrams(Versal *s, qemu_irq *pic)
308 {
309     int nr_xrams = ARRAY_SIZE(s->lpd.xram.ctrl);
310     DeviceState *orgate;
311     int i;
312 
313     /* XRAM IRQs get ORed into a single line.  */
314     object_initialize_child(OBJECT(s), "xram-irq-orgate",
315                             &s->lpd.xram.irq_orgate, TYPE_OR_IRQ);
316     orgate = DEVICE(&s->lpd.xram.irq_orgate);
317     object_property_set_int(OBJECT(orgate),
318                             "num-lines", nr_xrams, &error_fatal);
319     qdev_realize(orgate, NULL, &error_fatal);
320     qdev_connect_gpio_out(orgate, 0, pic[VERSAL_XRAM_IRQ_0]);
321 
322     for (i = 0; i < ARRAY_SIZE(s->lpd.xram.ctrl); i++) {
323         SysBusDevice *sbd;
324         MemoryRegion *mr;
325 
326         object_initialize_child(OBJECT(s), "xram[*]", &s->lpd.xram.ctrl[i],
327                                 TYPE_XLNX_XRAM_CTRL);
328         sbd = SYS_BUS_DEVICE(&s->lpd.xram.ctrl[i]);
329         sysbus_realize(sbd, &error_fatal);
330 
331         mr = sysbus_mmio_get_region(sbd, 0);
332         memory_region_add_subregion(&s->mr_ps,
333                                     MM_XRAMC + i * MM_XRAMC_SIZE, mr);
334         mr = sysbus_mmio_get_region(sbd, 1);
335         memory_region_add_subregion(&s->mr_ps, MM_XRAM + i * MiB, mr);
336 
337         sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(orgate, i));
338     }
339 }
340 
341 static void versal_create_bbram(Versal *s, qemu_irq *pic)
342 {
343     SysBusDevice *sbd;
344 
345     object_initialize_child_with_props(OBJECT(s), "bbram", &s->pmc.bbram,
346                                        sizeof(s->pmc.bbram), TYPE_XLNX_BBRAM,
347                                        &error_fatal,
348                                        "crc-zpads", "0",
349                                        NULL);
350     sbd = SYS_BUS_DEVICE(&s->pmc.bbram);
351 
352     sysbus_realize(sbd, &error_fatal);
353     memory_region_add_subregion(&s->mr_ps, MM_PMC_BBRAM_CTRL,
354                                 sysbus_mmio_get_region(sbd, 0));
355     sysbus_connect_irq(sbd, 0,
356                        qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 1));
357 }
358 
359 static void versal_realize_efuse_part(Versal *s, Object *dev, hwaddr base)
360 {
361     SysBusDevice *part = SYS_BUS_DEVICE(dev);
362 
363     object_property_set_link(OBJECT(part), "efuse",
364                              OBJECT(&s->pmc.efuse), &error_abort);
365 
366     sysbus_realize(part, &error_abort);
367     memory_region_add_subregion(&s->mr_ps, base,
368                                 sysbus_mmio_get_region(part, 0));
369 }
370 
371 static void versal_create_efuse(Versal *s, qemu_irq *pic)
372 {
373     Object *bits = OBJECT(&s->pmc.efuse);
374     Object *ctrl = OBJECT(&s->pmc.efuse_ctrl);
375     Object *cache = OBJECT(&s->pmc.efuse_cache);
376 
377     object_initialize_child(OBJECT(s), "efuse-ctrl", &s->pmc.efuse_ctrl,
378                             TYPE_XLNX_VERSAL_EFUSE_CTRL);
379 
380     object_initialize_child(OBJECT(s), "efuse-cache", &s->pmc.efuse_cache,
381                             TYPE_XLNX_VERSAL_EFUSE_CACHE);
382 
383     object_initialize_child_with_props(ctrl, "xlnx-efuse@0", bits,
384                                        sizeof(s->pmc.efuse),
385                                        TYPE_XLNX_EFUSE, &error_abort,
386                                        "efuse-nr", "3",
387                                        "efuse-size", "8192",
388                                        NULL);
389 
390     qdev_realize(DEVICE(bits), NULL, &error_abort);
391     versal_realize_efuse_part(s, ctrl, MM_PMC_EFUSE_CTRL);
392     versal_realize_efuse_part(s, cache, MM_PMC_EFUSE_CACHE);
393 
394     sysbus_connect_irq(SYS_BUS_DEVICE(ctrl), 0, pic[VERSAL_EFUSE_IRQ]);
395 }
396 
397 static void versal_create_pmc_iou_slcr(Versal *s, qemu_irq *pic)
398 {
399     SysBusDevice *sbd;
400 
401     object_initialize_child(OBJECT(s), "versal-pmc-iou-slcr", &s->pmc.iou.slcr,
402                             TYPE_XILINX_VERSAL_PMC_IOU_SLCR);
403 
404     sbd = SYS_BUS_DEVICE(&s->pmc.iou.slcr);
405     sysbus_realize(sbd, &error_fatal);
406 
407     memory_region_add_subregion(&s->mr_ps, MM_PMC_PMC_IOU_SLCR,
408                                 sysbus_mmio_get_region(sbd, 0));
409 
410     sysbus_connect_irq(sbd, 0,
411                        qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 2));
412 }
413 
414 static void versal_create_ospi(Versal *s, qemu_irq *pic)
415 {
416     SysBusDevice *sbd;
417     MemoryRegion *mr_dac;
418     qemu_irq ospi_mux_sel;
419     DeviceState *orgate;
420 
421     memory_region_init(&s->pmc.iou.ospi.linear_mr, OBJECT(s),
422                        "versal-ospi-linear-mr" , MM_PMC_OSPI_DAC_SIZE);
423 
424     object_initialize_child(OBJECT(s), "versal-ospi", &s->pmc.iou.ospi.ospi,
425                             TYPE_XILINX_VERSAL_OSPI);
426 
427     mr_dac = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->pmc.iou.ospi.ospi), 1);
428     memory_region_add_subregion(&s->pmc.iou.ospi.linear_mr, 0x0, mr_dac);
429 
430     /* Create the OSPI destination DMA */
431     object_initialize_child(OBJECT(s), "versal-ospi-dma-dst",
432                             &s->pmc.iou.ospi.dma_dst,
433                             TYPE_XLNX_CSU_DMA);
434 
435     object_property_set_link(OBJECT(&s->pmc.iou.ospi.dma_dst),
436                             "dma", OBJECT(get_system_memory()),
437                              &error_abort);
438 
439     sbd = SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_dst);
440     sysbus_realize(sbd, &error_fatal);
441 
442     memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI_DMA_DST,
443                                 sysbus_mmio_get_region(sbd, 0));
444 
445     /* Create the OSPI source DMA */
446     object_initialize_child(OBJECT(s), "versal-ospi-dma-src",
447                             &s->pmc.iou.ospi.dma_src,
448                             TYPE_XLNX_CSU_DMA);
449 
450     object_property_set_bool(OBJECT(&s->pmc.iou.ospi.dma_src), "is-dst",
451                              false, &error_abort);
452 
453     object_property_set_link(OBJECT(&s->pmc.iou.ospi.dma_src),
454                             "dma", OBJECT(mr_dac), &error_abort);
455 
456     object_property_set_link(OBJECT(&s->pmc.iou.ospi.dma_src),
457                             "stream-connected-dma",
458                              OBJECT(&s->pmc.iou.ospi.dma_dst),
459                              &error_abort);
460 
461     sbd = SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_src);
462     sysbus_realize(sbd, &error_fatal);
463 
464     memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI_DMA_SRC,
465                                 sysbus_mmio_get_region(sbd, 0));
466 
467     /* Realize the OSPI */
468     object_property_set_link(OBJECT(&s->pmc.iou.ospi.ospi), "dma-src",
469                              OBJECT(&s->pmc.iou.ospi.dma_src), &error_abort);
470 
471     sbd = SYS_BUS_DEVICE(&s->pmc.iou.ospi.ospi);
472     sysbus_realize(sbd, &error_fatal);
473 
474     memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI,
475                                 sysbus_mmio_get_region(sbd, 0));
476 
477     memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI_DAC,
478                                 &s->pmc.iou.ospi.linear_mr);
479 
480     /* ospi_mux_sel */
481     ospi_mux_sel = qdev_get_gpio_in_named(DEVICE(&s->pmc.iou.ospi.ospi),
482                                           "ospi-mux-sel", 0);
483     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr), "ospi-mux-sel", 0,
484                                 ospi_mux_sel);
485 
486     /* OSPI irq */
487     object_initialize_child(OBJECT(s), "ospi-irq-orgate",
488                             &s->pmc.iou.ospi.irq_orgate, TYPE_OR_IRQ);
489     object_property_set_int(OBJECT(&s->pmc.iou.ospi.irq_orgate),
490                             "num-lines", NUM_OSPI_IRQ_LINES, &error_fatal);
491 
492     orgate = DEVICE(&s->pmc.iou.ospi.irq_orgate);
493     qdev_realize(orgate, NULL, &error_fatal);
494 
495     sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.ospi), 0,
496                        qdev_get_gpio_in(orgate, 0));
497     sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_src), 0,
498                        qdev_get_gpio_in(orgate, 1));
499     sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_dst), 0,
500                        qdev_get_gpio_in(orgate, 2));
501 
502     qdev_connect_gpio_out(orgate, 0, pic[VERSAL_OSPI_IRQ]);
503 }
504 
505 /* This takes the board allocated linear DDR memory and creates aliases
506  * for each split DDR range/aperture on the Versal address map.
507  */
508 static void versal_map_ddr(Versal *s)
509 {
510     uint64_t size = memory_region_size(s->cfg.mr_ddr);
511     /* Describes the various split DDR access regions.  */
512     static const struct {
513         uint64_t base;
514         uint64_t size;
515     } addr_ranges[] = {
516         { MM_TOP_DDR, MM_TOP_DDR_SIZE },
517         { MM_TOP_DDR_2, MM_TOP_DDR_2_SIZE },
518         { MM_TOP_DDR_3, MM_TOP_DDR_3_SIZE },
519         { MM_TOP_DDR_4, MM_TOP_DDR_4_SIZE }
520     };
521     uint64_t offset = 0;
522     int i;
523 
524     assert(ARRAY_SIZE(addr_ranges) == ARRAY_SIZE(s->noc.mr_ddr_ranges));
525     for (i = 0; i < ARRAY_SIZE(addr_ranges) && size; i++) {
526         char *name;
527         uint64_t mapsize;
528 
529         mapsize = size < addr_ranges[i].size ? size : addr_ranges[i].size;
530         name = g_strdup_printf("noc-ddr-range%d", i);
531         /* Create the MR alias.  */
532         memory_region_init_alias(&s->noc.mr_ddr_ranges[i], OBJECT(s),
533                                  name, s->cfg.mr_ddr,
534                                  offset, mapsize);
535 
536         /* Map it onto the NoC MR.  */
537         memory_region_add_subregion(&s->mr_ps, addr_ranges[i].base,
538                                     &s->noc.mr_ddr_ranges[i]);
539         offset += mapsize;
540         size -= mapsize;
541         g_free(name);
542     }
543 }
544 
545 static void versal_unimp_area(Versal *s, const char *name,
546                                 MemoryRegion *mr,
547                                 hwaddr base, hwaddr size)
548 {
549     DeviceState *dev = qdev_new(TYPE_UNIMPLEMENTED_DEVICE);
550     MemoryRegion *mr_dev;
551 
552     qdev_prop_set_string(dev, "name", name);
553     qdev_prop_set_uint64(dev, "size", size);
554     object_property_add_child(OBJECT(s), name, OBJECT(dev));
555     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
556 
557     mr_dev = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
558     memory_region_add_subregion(mr, base, mr_dev);
559 }
560 
561 static void versal_unimp_sd_emmc_sel(void *opaque, int n, int level)
562 {
563     qemu_log_mask(LOG_UNIMP,
564                   "Selecting between enabling SD mode or eMMC mode on "
565                   "controller %d is not yet implemented\n", n);
566 }
567 
568 static void versal_unimp_qspi_ospi_mux_sel(void *opaque, int n, int level)
569 {
570     qemu_log_mask(LOG_UNIMP,
571                   "Selecting between enabling the QSPI or OSPI linear address "
572                   "region is not yet implemented\n");
573 }
574 
575 static void versal_unimp_irq_parity_imr(void *opaque, int n, int level)
576 {
577     qemu_log_mask(LOG_UNIMP,
578                   "PMC SLCR parity interrupt behaviour "
579                   "is not yet implemented\n");
580 }
581 
582 static void versal_unimp(Versal *s)
583 {
584     qemu_irq gpio_in;
585 
586     versal_unimp_area(s, "psm", &s->mr_ps,
587                         MM_PSM_START, MM_PSM_END - MM_PSM_START);
588     versal_unimp_area(s, "crl", &s->mr_ps,
589                         MM_CRL, MM_CRL_SIZE);
590     versal_unimp_area(s, "crf", &s->mr_ps,
591                         MM_FPD_CRF, MM_FPD_CRF_SIZE);
592     versal_unimp_area(s, "apu", &s->mr_ps,
593                         MM_FPD_FPD_APU, MM_FPD_FPD_APU_SIZE);
594     versal_unimp_area(s, "crp", &s->mr_ps,
595                         MM_PMC_CRP, MM_PMC_CRP_SIZE);
596     versal_unimp_area(s, "iou-scntr", &s->mr_ps,
597                         MM_IOU_SCNTR, MM_IOU_SCNTR_SIZE);
598     versal_unimp_area(s, "iou-scntr-seucre", &s->mr_ps,
599                         MM_IOU_SCNTRS, MM_IOU_SCNTRS_SIZE);
600 
601     qdev_init_gpio_in_named(DEVICE(s), versal_unimp_sd_emmc_sel,
602                             "sd-emmc-sel-dummy", 2);
603     qdev_init_gpio_in_named(DEVICE(s), versal_unimp_qspi_ospi_mux_sel,
604                             "qspi-ospi-mux-sel-dummy", 1);
605     qdev_init_gpio_in_named(DEVICE(s), versal_unimp_irq_parity_imr,
606                             "irq-parity-imr-dummy", 1);
607 
608     gpio_in = qdev_get_gpio_in_named(DEVICE(s), "sd-emmc-sel-dummy", 0);
609     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr), "sd-emmc-sel", 0,
610                                 gpio_in);
611 
612     gpio_in = qdev_get_gpio_in_named(DEVICE(s), "sd-emmc-sel-dummy", 1);
613     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr), "sd-emmc-sel", 1,
614                                 gpio_in);
615 
616     gpio_in = qdev_get_gpio_in_named(DEVICE(s), "qspi-ospi-mux-sel-dummy", 0);
617     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr),
618                                 "qspi-ospi-mux-sel", 0,
619                                 gpio_in);
620 
621     gpio_in = qdev_get_gpio_in_named(DEVICE(s), "irq-parity-imr-dummy", 0);
622     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr),
623                                 SYSBUS_DEVICE_GPIO_IRQ, 0,
624                                 gpio_in);
625 }
626 
627 static void versal_realize(DeviceState *dev, Error **errp)
628 {
629     Versal *s = XLNX_VERSAL(dev);
630     qemu_irq pic[XLNX_VERSAL_NR_IRQS];
631 
632     versal_create_apu_cpus(s);
633     versal_create_apu_gic(s, pic);
634     versal_create_uarts(s, pic);
635     versal_create_usbs(s, pic);
636     versal_create_gems(s, pic);
637     versal_create_admas(s, pic);
638     versal_create_sds(s, pic);
639     versal_create_pmc_apb_irq_orgate(s, pic);
640     versal_create_rtc(s, pic);
641     versal_create_xrams(s, pic);
642     versal_create_bbram(s, pic);
643     versal_create_efuse(s, pic);
644     versal_create_pmc_iou_slcr(s, pic);
645     versal_create_ospi(s, pic);
646     versal_map_ddr(s);
647     versal_unimp(s);
648 
649     /* Create the On Chip Memory (OCM).  */
650     memory_region_init_ram(&s->lpd.mr_ocm, OBJECT(s), "ocm",
651                            MM_OCM_SIZE, &error_fatal);
652 
653     memory_region_add_subregion_overlap(&s->mr_ps, MM_OCM, &s->lpd.mr_ocm, 0);
654     memory_region_add_subregion_overlap(&s->fpd.apu.mr, 0, &s->mr_ps, 0);
655 }
656 
657 static void versal_init(Object *obj)
658 {
659     Versal *s = XLNX_VERSAL(obj);
660 
661     memory_region_init(&s->fpd.apu.mr, obj, "mr-apu", UINT64_MAX);
662     memory_region_init(&s->mr_ps, obj, "mr-ps-switch", UINT64_MAX);
663 }
664 
665 static Property versal_properties[] = {
666     DEFINE_PROP_LINK("ddr", Versal, cfg.mr_ddr, TYPE_MEMORY_REGION,
667                      MemoryRegion *),
668     DEFINE_PROP_END_OF_LIST()
669 };
670 
671 static void versal_class_init(ObjectClass *klass, void *data)
672 {
673     DeviceClass *dc = DEVICE_CLASS(klass);
674 
675     dc->realize = versal_realize;
676     device_class_set_props(dc, versal_properties);
677     /* No VMSD since we haven't got any top-level SoC state to save.  */
678 }
679 
680 static const TypeInfo versal_info = {
681     .name = TYPE_XLNX_VERSAL,
682     .parent = TYPE_SYS_BUS_DEVICE,
683     .instance_size = sizeof(Versal),
684     .instance_init = versal_init,
685     .class_init = versal_class_init,
686 };
687 
688 static void versal_register_types(void)
689 {
690     type_register_static(&versal_info);
691 }
692 
693 type_init(versal_register_types);
694