xref: /openbmc/qemu/hw/arm/xlnx-versal.c (revision 8b81968c)
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 
26 #define XLNX_VERSAL_ACPU_TYPE ARM_CPU_TYPE_NAME("cortex-a72")
27 #define XLNX_VERSAL_RCPU_TYPE ARM_CPU_TYPE_NAME("cortex-r5f")
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     object_initialize_child(OBJECT(s), "apu-cluster", &s->fpd.apu.cluster,
38                             TYPE_CPU_CLUSTER);
39     qdev_prop_set_uint32(DEVICE(&s->fpd.apu.cluster), "cluster-id", 0);
40 
41     for (i = 0; i < ARRAY_SIZE(s->fpd.apu.cpu); i++) {
42         Object *obj;
43 
44         object_initialize_child(OBJECT(&s->fpd.apu.cluster),
45                                 "apu-cpu[*]", &s->fpd.apu.cpu[i],
46                                 XLNX_VERSAL_ACPU_TYPE);
47         obj = OBJECT(&s->fpd.apu.cpu[i]);
48         if (i) {
49             /* Secondary CPUs start in powered-down state */
50             object_property_set_bool(obj, "start-powered-off", true,
51                                      &error_abort);
52         }
53 
54         object_property_set_int(obj, "core-count", ARRAY_SIZE(s->fpd.apu.cpu),
55                                 &error_abort);
56         object_property_set_link(obj, "memory", OBJECT(&s->fpd.apu.mr),
57                                  &error_abort);
58         qdev_realize(DEVICE(obj), NULL, &error_fatal);
59     }
60 
61     qdev_realize(DEVICE(&s->fpd.apu.cluster), NULL, &error_fatal);
62 }
63 
64 static void versal_create_apu_gic(Versal *s, qemu_irq *pic)
65 {
66     static const uint64_t addrs[] = {
67         MM_GIC_APU_DIST_MAIN,
68         MM_GIC_APU_REDIST_0
69     };
70     SysBusDevice *gicbusdev;
71     DeviceState *gicdev;
72     int nr_apu_cpus = ARRAY_SIZE(s->fpd.apu.cpu);
73     int i;
74 
75     object_initialize_child(OBJECT(s), "apu-gic", &s->fpd.apu.gic,
76                             gicv3_class_name());
77     gicbusdev = SYS_BUS_DEVICE(&s->fpd.apu.gic);
78     gicdev = DEVICE(&s->fpd.apu.gic);
79     qdev_prop_set_uint32(gicdev, "revision", 3);
80     qdev_prop_set_uint32(gicdev, "num-cpu", nr_apu_cpus);
81     qdev_prop_set_uint32(gicdev, "num-irq", XLNX_VERSAL_NR_IRQS + 32);
82     qdev_prop_set_uint32(gicdev, "len-redist-region-count", 1);
83     qdev_prop_set_uint32(gicdev, "redist-region-count[0]", nr_apu_cpus);
84     qdev_prop_set_bit(gicdev, "has-security-extensions", true);
85 
86     sysbus_realize(SYS_BUS_DEVICE(&s->fpd.apu.gic), &error_fatal);
87 
88     for (i = 0; i < ARRAY_SIZE(addrs); i++) {
89         MemoryRegion *mr;
90 
91         mr = sysbus_mmio_get_region(gicbusdev, i);
92         memory_region_add_subregion(&s->fpd.apu.mr, addrs[i], mr);
93     }
94 
95     for (i = 0; i < nr_apu_cpus; i++) {
96         DeviceState *cpudev = DEVICE(&s->fpd.apu.cpu[i]);
97         int ppibase = XLNX_VERSAL_NR_IRQS + i * GIC_INTERNAL + GIC_NR_SGIS;
98         qemu_irq maint_irq;
99         int ti;
100         /* Mapping from the output timer irq lines from the CPU to the
101          * GIC PPI inputs.
102          */
103         const int timer_irq[] = {
104             [GTIMER_PHYS] = VERSAL_TIMER_NS_EL1_IRQ,
105             [GTIMER_VIRT] = VERSAL_TIMER_VIRT_IRQ,
106             [GTIMER_HYP]  = VERSAL_TIMER_NS_EL2_IRQ,
107             [GTIMER_SEC]  = VERSAL_TIMER_S_EL1_IRQ,
108         };
109 
110         for (ti = 0; ti < ARRAY_SIZE(timer_irq); ti++) {
111             qdev_connect_gpio_out(cpudev, ti,
112                                   qdev_get_gpio_in(gicdev,
113                                                    ppibase + timer_irq[ti]));
114         }
115         maint_irq = qdev_get_gpio_in(gicdev,
116                                         ppibase + VERSAL_GIC_MAINT_IRQ);
117         qdev_connect_gpio_out_named(cpudev, "gicv3-maintenance-interrupt",
118                                     0, maint_irq);
119         sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
120         sysbus_connect_irq(gicbusdev, i + nr_apu_cpus,
121                            qdev_get_gpio_in(cpudev, ARM_CPU_FIQ));
122         sysbus_connect_irq(gicbusdev, i + 2 * nr_apu_cpus,
123                            qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ));
124         sysbus_connect_irq(gicbusdev, i + 3 * nr_apu_cpus,
125                            qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ));
126     }
127 
128     for (i = 0; i < XLNX_VERSAL_NR_IRQS; i++) {
129         pic[i] = qdev_get_gpio_in(gicdev, i);
130     }
131 }
132 
133 static void versal_create_rpu_cpus(Versal *s)
134 {
135     int i;
136 
137     object_initialize_child(OBJECT(s), "rpu-cluster", &s->lpd.rpu.cluster,
138                             TYPE_CPU_CLUSTER);
139     qdev_prop_set_uint32(DEVICE(&s->lpd.rpu.cluster), "cluster-id", 1);
140 
141     for (i = 0; i < ARRAY_SIZE(s->lpd.rpu.cpu); i++) {
142         Object *obj;
143 
144         object_initialize_child(OBJECT(&s->lpd.rpu.cluster),
145                                 "rpu-cpu[*]", &s->lpd.rpu.cpu[i],
146                                 XLNX_VERSAL_RCPU_TYPE);
147         obj = OBJECT(&s->lpd.rpu.cpu[i]);
148         object_property_set_bool(obj, "start-powered-off", true,
149                                  &error_abort);
150 
151         object_property_set_int(obj, "mp-affinity", 0x100 | i, &error_abort);
152         object_property_set_int(obj, "core-count", ARRAY_SIZE(s->lpd.rpu.cpu),
153                                 &error_abort);
154         object_property_set_link(obj, "memory", OBJECT(&s->lpd.rpu.mr),
155                                  &error_abort);
156         qdev_realize(DEVICE(obj), NULL, &error_fatal);
157     }
158 
159     qdev_realize(DEVICE(&s->lpd.rpu.cluster), NULL, &error_fatal);
160 }
161 
162 static void versal_create_uarts(Versal *s, qemu_irq *pic)
163 {
164     int i;
165 
166     for (i = 0; i < ARRAY_SIZE(s->lpd.iou.uart); i++) {
167         static const int irqs[] = { VERSAL_UART0_IRQ_0, VERSAL_UART1_IRQ_0};
168         static const uint64_t addrs[] = { MM_UART0, MM_UART1 };
169         char *name = g_strdup_printf("uart%d", i);
170         DeviceState *dev;
171         MemoryRegion *mr;
172 
173         object_initialize_child(OBJECT(s), name, &s->lpd.iou.uart[i],
174                                 TYPE_PL011);
175         dev = DEVICE(&s->lpd.iou.uart[i]);
176         qdev_prop_set_chr(dev, "chardev", serial_hd(i));
177         sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
178 
179         mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
180         memory_region_add_subregion(&s->mr_ps, addrs[i], mr);
181 
182         sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[irqs[i]]);
183         g_free(name);
184     }
185 }
186 
187 static void versal_create_canfds(Versal *s, qemu_irq *pic)
188 {
189     int i;
190     uint32_t irqs[] = { VERSAL_CANFD0_IRQ_0, VERSAL_CANFD1_IRQ_0};
191     uint64_t addrs[] = { MM_CANFD0, MM_CANFD1 };
192 
193     for (i = 0; i < ARRAY_SIZE(s->lpd.iou.canfd); i++) {
194         char *name = g_strdup_printf("canfd%d", i);
195         SysBusDevice *sbd;
196         MemoryRegion *mr;
197 
198         object_initialize_child(OBJECT(s), name, &s->lpd.iou.canfd[i],
199                                 TYPE_XILINX_CANFD);
200         sbd = SYS_BUS_DEVICE(&s->lpd.iou.canfd[i]);
201 
202         object_property_set_int(OBJECT(&s->lpd.iou.canfd[i]), "ext_clk_freq",
203                                 XLNX_VERSAL_CANFD_REF_CLK , &error_abort);
204 
205         object_property_set_link(OBJECT(&s->lpd.iou.canfd[i]), "canfdbus",
206                                  OBJECT(s->lpd.iou.canbus[i]),
207                                  &error_abort);
208 
209         sysbus_realize(sbd, &error_fatal);
210 
211         mr = sysbus_mmio_get_region(sbd, 0);
212         memory_region_add_subregion(&s->mr_ps, addrs[i], mr);
213 
214         sysbus_connect_irq(sbd, 0, pic[irqs[i]]);
215         g_free(name);
216     }
217 }
218 
219 static void versal_create_usbs(Versal *s, qemu_irq *pic)
220 {
221     DeviceState *dev;
222     MemoryRegion *mr;
223 
224     object_initialize_child(OBJECT(s), "usb2", &s->lpd.iou.usb,
225                             TYPE_XILINX_VERSAL_USB2);
226     dev = DEVICE(&s->lpd.iou.usb);
227 
228     object_property_set_link(OBJECT(dev), "dma", OBJECT(&s->mr_ps),
229                              &error_abort);
230     qdev_prop_set_uint32(dev, "intrs", 1);
231     qdev_prop_set_uint32(dev, "slots", 2);
232 
233     sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
234 
235     mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
236     memory_region_add_subregion(&s->mr_ps, MM_USB_0, mr);
237 
238     sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[VERSAL_USB0_IRQ_0]);
239 
240     mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1);
241     memory_region_add_subregion(&s->mr_ps, MM_USB2_CTRL_REGS, mr);
242 }
243 
244 static void versal_create_gems(Versal *s, qemu_irq *pic)
245 {
246     int i;
247 
248     for (i = 0; i < ARRAY_SIZE(s->lpd.iou.gem); i++) {
249         static const int irqs[] = { VERSAL_GEM0_IRQ_0, VERSAL_GEM1_IRQ_0};
250         static const uint64_t addrs[] = { MM_GEM0, MM_GEM1 };
251         char *name = g_strdup_printf("gem%d", i);
252         NICInfo *nd = &nd_table[i];
253         DeviceState *dev;
254         MemoryRegion *mr;
255 
256         object_initialize_child(OBJECT(s), name, &s->lpd.iou.gem[i],
257                                 TYPE_CADENCE_GEM);
258         dev = DEVICE(&s->lpd.iou.gem[i]);
259         /* FIXME use qdev NIC properties instead of nd_table[] */
260         if (nd->used) {
261             qemu_check_nic_model(nd, "cadence_gem");
262             qdev_set_nic_properties(dev, nd);
263         }
264         object_property_set_int(OBJECT(dev), "phy-addr", 23, &error_abort);
265         object_property_set_int(OBJECT(dev), "num-priority-queues", 2,
266                                 &error_abort);
267         object_property_set_link(OBJECT(dev), "dma", OBJECT(&s->mr_ps),
268                                  &error_abort);
269         sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
270 
271         mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
272         memory_region_add_subregion(&s->mr_ps, addrs[i], mr);
273 
274         sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[irqs[i]]);
275         g_free(name);
276     }
277 }
278 
279 static void versal_create_admas(Versal *s, qemu_irq *pic)
280 {
281     int i;
282 
283     for (i = 0; i < ARRAY_SIZE(s->lpd.iou.adma); i++) {
284         char *name = g_strdup_printf("adma%d", i);
285         DeviceState *dev;
286         MemoryRegion *mr;
287 
288         object_initialize_child(OBJECT(s), name, &s->lpd.iou.adma[i],
289                                 TYPE_XLNX_ZDMA);
290         dev = DEVICE(&s->lpd.iou.adma[i]);
291         object_property_set_int(OBJECT(dev), "bus-width", 128, &error_abort);
292         object_property_set_link(OBJECT(dev), "dma",
293                                  OBJECT(get_system_memory()), &error_fatal);
294         sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
295 
296         mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
297         memory_region_add_subregion(&s->mr_ps,
298                                     MM_ADMA_CH0 + i * MM_ADMA_CH0_SIZE, mr);
299 
300         sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[VERSAL_ADMA_IRQ_0 + i]);
301         g_free(name);
302     }
303 }
304 
305 #define SDHCI_CAPABILITIES  0x280737ec6481 /* Same as on ZynqMP.  */
306 static void versal_create_sds(Versal *s, qemu_irq *pic)
307 {
308     int i;
309 
310     for (i = 0; i < ARRAY_SIZE(s->pmc.iou.sd); i++) {
311         DeviceState *dev;
312         MemoryRegion *mr;
313 
314         object_initialize_child(OBJECT(s), "sd[*]", &s->pmc.iou.sd[i],
315                                 TYPE_SYSBUS_SDHCI);
316         dev = DEVICE(&s->pmc.iou.sd[i]);
317 
318         object_property_set_uint(OBJECT(dev), "sd-spec-version", 3,
319                                  &error_fatal);
320         object_property_set_uint(OBJECT(dev), "capareg", SDHCI_CAPABILITIES,
321                                  &error_fatal);
322         object_property_set_uint(OBJECT(dev), "uhs", UHS_I, &error_fatal);
323         sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
324 
325         mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
326         memory_region_add_subregion(&s->mr_ps,
327                                     MM_PMC_SD0 + i * MM_PMC_SD0_SIZE, mr);
328 
329         sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0,
330                            pic[VERSAL_SD0_IRQ_0 + i * 2]);
331     }
332 }
333 
334 static void versal_create_pmc_apb_irq_orgate(Versal *s, qemu_irq *pic)
335 {
336     DeviceState *orgate;
337 
338     /*
339      * The VERSAL_PMC_APB_IRQ is an 'or' of the interrupts from the following
340      * models:
341      *  - RTC
342      *  - BBRAM
343      *  - PMC SLCR
344      */
345     object_initialize_child(OBJECT(s), "pmc-apb-irq-orgate",
346                             &s->pmc.apb_irq_orgate, TYPE_OR_IRQ);
347     orgate = DEVICE(&s->pmc.apb_irq_orgate);
348     object_property_set_int(OBJECT(orgate),
349                             "num-lines", VERSAL_NUM_PMC_APB_IRQS, &error_fatal);
350     qdev_realize(orgate, NULL, &error_fatal);
351     qdev_connect_gpio_out(orgate, 0, pic[VERSAL_PMC_APB_IRQ]);
352 }
353 
354 static void versal_create_rtc(Versal *s, qemu_irq *pic)
355 {
356     SysBusDevice *sbd;
357     MemoryRegion *mr;
358 
359     object_initialize_child(OBJECT(s), "rtc", &s->pmc.rtc,
360                             TYPE_XLNX_ZYNQMP_RTC);
361     sbd = SYS_BUS_DEVICE(&s->pmc.rtc);
362     sysbus_realize(sbd, &error_fatal);
363 
364     mr = sysbus_mmio_get_region(sbd, 0);
365     memory_region_add_subregion(&s->mr_ps, MM_PMC_RTC, mr);
366 
367     /*
368      * TODO: Connect the ALARM and SECONDS interrupts once our RTC model
369      * supports them.
370      */
371     sysbus_connect_irq(sbd, 1,
372                        qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 0));
373 }
374 
375 static void versal_create_xrams(Versal *s, qemu_irq *pic)
376 {
377     int nr_xrams = ARRAY_SIZE(s->lpd.xram.ctrl);
378     DeviceState *orgate;
379     int i;
380 
381     /* XRAM IRQs get ORed into a single line.  */
382     object_initialize_child(OBJECT(s), "xram-irq-orgate",
383                             &s->lpd.xram.irq_orgate, TYPE_OR_IRQ);
384     orgate = DEVICE(&s->lpd.xram.irq_orgate);
385     object_property_set_int(OBJECT(orgate),
386                             "num-lines", nr_xrams, &error_fatal);
387     qdev_realize(orgate, NULL, &error_fatal);
388     qdev_connect_gpio_out(orgate, 0, pic[VERSAL_XRAM_IRQ_0]);
389 
390     for (i = 0; i < ARRAY_SIZE(s->lpd.xram.ctrl); i++) {
391         SysBusDevice *sbd;
392         MemoryRegion *mr;
393 
394         object_initialize_child(OBJECT(s), "xram[*]", &s->lpd.xram.ctrl[i],
395                                 TYPE_XLNX_XRAM_CTRL);
396         sbd = SYS_BUS_DEVICE(&s->lpd.xram.ctrl[i]);
397         sysbus_realize(sbd, &error_fatal);
398 
399         mr = sysbus_mmio_get_region(sbd, 0);
400         memory_region_add_subregion(&s->mr_ps,
401                                     MM_XRAMC + i * MM_XRAMC_SIZE, mr);
402         mr = sysbus_mmio_get_region(sbd, 1);
403         memory_region_add_subregion(&s->mr_ps, MM_XRAM + i * MiB, mr);
404 
405         sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(orgate, i));
406     }
407 }
408 
409 static void versal_create_bbram(Versal *s, qemu_irq *pic)
410 {
411     SysBusDevice *sbd;
412 
413     object_initialize_child_with_props(OBJECT(s), "bbram", &s->pmc.bbram,
414                                        sizeof(s->pmc.bbram), TYPE_XLNX_BBRAM,
415                                        &error_fatal,
416                                        "crc-zpads", "0",
417                                        NULL);
418     sbd = SYS_BUS_DEVICE(&s->pmc.bbram);
419 
420     sysbus_realize(sbd, &error_fatal);
421     memory_region_add_subregion(&s->mr_ps, MM_PMC_BBRAM_CTRL,
422                                 sysbus_mmio_get_region(sbd, 0));
423     sysbus_connect_irq(sbd, 0,
424                        qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 1));
425 }
426 
427 static void versal_realize_efuse_part(Versal *s, Object *dev, hwaddr base)
428 {
429     SysBusDevice *part = SYS_BUS_DEVICE(dev);
430 
431     object_property_set_link(OBJECT(part), "efuse",
432                              OBJECT(&s->pmc.efuse), &error_abort);
433 
434     sysbus_realize(part, &error_abort);
435     memory_region_add_subregion(&s->mr_ps, base,
436                                 sysbus_mmio_get_region(part, 0));
437 }
438 
439 static void versal_create_efuse(Versal *s, qemu_irq *pic)
440 {
441     Object *bits = OBJECT(&s->pmc.efuse);
442     Object *ctrl = OBJECT(&s->pmc.efuse_ctrl);
443     Object *cache = OBJECT(&s->pmc.efuse_cache);
444 
445     object_initialize_child(OBJECT(s), "efuse-ctrl", &s->pmc.efuse_ctrl,
446                             TYPE_XLNX_VERSAL_EFUSE_CTRL);
447 
448     object_initialize_child(OBJECT(s), "efuse-cache", &s->pmc.efuse_cache,
449                             TYPE_XLNX_VERSAL_EFUSE_CACHE);
450 
451     object_initialize_child_with_props(ctrl, "xlnx-efuse@0", bits,
452                                        sizeof(s->pmc.efuse),
453                                        TYPE_XLNX_EFUSE, &error_abort,
454                                        "efuse-nr", "3",
455                                        "efuse-size", "8192",
456                                        NULL);
457 
458     qdev_realize(DEVICE(bits), NULL, &error_abort);
459     versal_realize_efuse_part(s, ctrl, MM_PMC_EFUSE_CTRL);
460     versal_realize_efuse_part(s, cache, MM_PMC_EFUSE_CACHE);
461 
462     sysbus_connect_irq(SYS_BUS_DEVICE(ctrl), 0, pic[VERSAL_EFUSE_IRQ]);
463 }
464 
465 static void versal_create_pmc_iou_slcr(Versal *s, qemu_irq *pic)
466 {
467     SysBusDevice *sbd;
468 
469     object_initialize_child(OBJECT(s), "versal-pmc-iou-slcr", &s->pmc.iou.slcr,
470                             TYPE_XILINX_VERSAL_PMC_IOU_SLCR);
471 
472     sbd = SYS_BUS_DEVICE(&s->pmc.iou.slcr);
473     sysbus_realize(sbd, &error_fatal);
474 
475     memory_region_add_subregion(&s->mr_ps, MM_PMC_PMC_IOU_SLCR,
476                                 sysbus_mmio_get_region(sbd, 0));
477 
478     sysbus_connect_irq(sbd, 0,
479                        qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 2));
480 }
481 
482 static void versal_create_ospi(Versal *s, qemu_irq *pic)
483 {
484     SysBusDevice *sbd;
485     MemoryRegion *mr_dac;
486     qemu_irq ospi_mux_sel;
487     DeviceState *orgate;
488 
489     memory_region_init(&s->pmc.iou.ospi.linear_mr, OBJECT(s),
490                        "versal-ospi-linear-mr" , MM_PMC_OSPI_DAC_SIZE);
491 
492     object_initialize_child(OBJECT(s), "versal-ospi", &s->pmc.iou.ospi.ospi,
493                             TYPE_XILINX_VERSAL_OSPI);
494 
495     mr_dac = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->pmc.iou.ospi.ospi), 1);
496     memory_region_add_subregion(&s->pmc.iou.ospi.linear_mr, 0x0, mr_dac);
497 
498     /* Create the OSPI destination DMA */
499     object_initialize_child(OBJECT(s), "versal-ospi-dma-dst",
500                             &s->pmc.iou.ospi.dma_dst,
501                             TYPE_XLNX_CSU_DMA);
502 
503     object_property_set_link(OBJECT(&s->pmc.iou.ospi.dma_dst),
504                             "dma", OBJECT(get_system_memory()),
505                              &error_abort);
506 
507     sbd = SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_dst);
508     sysbus_realize(sbd, &error_fatal);
509 
510     memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI_DMA_DST,
511                                 sysbus_mmio_get_region(sbd, 0));
512 
513     /* Create the OSPI source DMA */
514     object_initialize_child(OBJECT(s), "versal-ospi-dma-src",
515                             &s->pmc.iou.ospi.dma_src,
516                             TYPE_XLNX_CSU_DMA);
517 
518     object_property_set_bool(OBJECT(&s->pmc.iou.ospi.dma_src), "is-dst",
519                              false, &error_abort);
520 
521     object_property_set_link(OBJECT(&s->pmc.iou.ospi.dma_src),
522                             "dma", OBJECT(mr_dac), &error_abort);
523 
524     object_property_set_link(OBJECT(&s->pmc.iou.ospi.dma_src),
525                             "stream-connected-dma",
526                              OBJECT(&s->pmc.iou.ospi.dma_dst),
527                              &error_abort);
528 
529     sbd = SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_src);
530     sysbus_realize(sbd, &error_fatal);
531 
532     memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI_DMA_SRC,
533                                 sysbus_mmio_get_region(sbd, 0));
534 
535     /* Realize the OSPI */
536     object_property_set_link(OBJECT(&s->pmc.iou.ospi.ospi), "dma-src",
537                              OBJECT(&s->pmc.iou.ospi.dma_src), &error_abort);
538 
539     sbd = SYS_BUS_DEVICE(&s->pmc.iou.ospi.ospi);
540     sysbus_realize(sbd, &error_fatal);
541 
542     memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI,
543                                 sysbus_mmio_get_region(sbd, 0));
544 
545     memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI_DAC,
546                                 &s->pmc.iou.ospi.linear_mr);
547 
548     /* ospi_mux_sel */
549     ospi_mux_sel = qdev_get_gpio_in_named(DEVICE(&s->pmc.iou.ospi.ospi),
550                                           "ospi-mux-sel", 0);
551     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr), "ospi-mux-sel", 0,
552                                 ospi_mux_sel);
553 
554     /* OSPI irq */
555     object_initialize_child(OBJECT(s), "ospi-irq-orgate",
556                             &s->pmc.iou.ospi.irq_orgate, TYPE_OR_IRQ);
557     object_property_set_int(OBJECT(&s->pmc.iou.ospi.irq_orgate),
558                             "num-lines", NUM_OSPI_IRQ_LINES, &error_fatal);
559 
560     orgate = DEVICE(&s->pmc.iou.ospi.irq_orgate);
561     qdev_realize(orgate, NULL, &error_fatal);
562 
563     sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.ospi), 0,
564                        qdev_get_gpio_in(orgate, 0));
565     sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_src), 0,
566                        qdev_get_gpio_in(orgate, 1));
567     sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_dst), 0,
568                        qdev_get_gpio_in(orgate, 2));
569 
570     qdev_connect_gpio_out(orgate, 0, pic[VERSAL_OSPI_IRQ]);
571 }
572 
573 static void versal_create_crl(Versal *s, qemu_irq *pic)
574 {
575     SysBusDevice *sbd;
576     int i;
577 
578     object_initialize_child(OBJECT(s), "crl", &s->lpd.crl,
579                             TYPE_XLNX_VERSAL_CRL);
580     sbd = SYS_BUS_DEVICE(&s->lpd.crl);
581 
582     for (i = 0; i < ARRAY_SIZE(s->lpd.rpu.cpu); i++) {
583         g_autofree gchar *name = g_strdup_printf("cpu_r5[%d]", i);
584 
585         object_property_set_link(OBJECT(&s->lpd.crl),
586                                  name, OBJECT(&s->lpd.rpu.cpu[i]),
587                                  &error_abort);
588     }
589 
590     for (i = 0; i < ARRAY_SIZE(s->lpd.iou.gem); i++) {
591         g_autofree gchar *name = g_strdup_printf("gem[%d]", i);
592 
593         object_property_set_link(OBJECT(&s->lpd.crl),
594                                  name, OBJECT(&s->lpd.iou.gem[i]),
595                                  &error_abort);
596     }
597 
598     for (i = 0; i < ARRAY_SIZE(s->lpd.iou.adma); i++) {
599         g_autofree gchar *name = g_strdup_printf("adma[%d]", i);
600 
601         object_property_set_link(OBJECT(&s->lpd.crl),
602                                  name, OBJECT(&s->lpd.iou.adma[i]),
603                                  &error_abort);
604     }
605 
606     for (i = 0; i < ARRAY_SIZE(s->lpd.iou.uart); i++) {
607         g_autofree gchar *name = g_strdup_printf("uart[%d]", i);
608 
609         object_property_set_link(OBJECT(&s->lpd.crl),
610                                  name, OBJECT(&s->lpd.iou.uart[i]),
611                                  &error_abort);
612     }
613 
614     object_property_set_link(OBJECT(&s->lpd.crl),
615                              "usb", OBJECT(&s->lpd.iou.usb),
616                              &error_abort);
617 
618     sysbus_realize(sbd, &error_fatal);
619     memory_region_add_subregion(&s->mr_ps, MM_CRL,
620                                 sysbus_mmio_get_region(sbd, 0));
621     sysbus_connect_irq(sbd, 0, pic[VERSAL_CRL_IRQ]);
622 }
623 
624 /* This takes the board allocated linear DDR memory and creates aliases
625  * for each split DDR range/aperture on the Versal address map.
626  */
627 static void versal_map_ddr(Versal *s)
628 {
629     uint64_t size = memory_region_size(s->cfg.mr_ddr);
630     /* Describes the various split DDR access regions.  */
631     static const struct {
632         uint64_t base;
633         uint64_t size;
634     } addr_ranges[] = {
635         { MM_TOP_DDR, MM_TOP_DDR_SIZE },
636         { MM_TOP_DDR_2, MM_TOP_DDR_2_SIZE },
637         { MM_TOP_DDR_3, MM_TOP_DDR_3_SIZE },
638         { MM_TOP_DDR_4, MM_TOP_DDR_4_SIZE }
639     };
640     uint64_t offset = 0;
641     int i;
642 
643     assert(ARRAY_SIZE(addr_ranges) == ARRAY_SIZE(s->noc.mr_ddr_ranges));
644     for (i = 0; i < ARRAY_SIZE(addr_ranges) && size; i++) {
645         char *name;
646         uint64_t mapsize;
647 
648         mapsize = size < addr_ranges[i].size ? size : addr_ranges[i].size;
649         name = g_strdup_printf("noc-ddr-range%d", i);
650         /* Create the MR alias.  */
651         memory_region_init_alias(&s->noc.mr_ddr_ranges[i], OBJECT(s),
652                                  name, s->cfg.mr_ddr,
653                                  offset, mapsize);
654 
655         /* Map it onto the NoC MR.  */
656         memory_region_add_subregion(&s->mr_ps, addr_ranges[i].base,
657                                     &s->noc.mr_ddr_ranges[i]);
658         offset += mapsize;
659         size -= mapsize;
660         g_free(name);
661     }
662 }
663 
664 static void versal_unimp_area(Versal *s, const char *name,
665                                 MemoryRegion *mr,
666                                 hwaddr base, hwaddr size)
667 {
668     DeviceState *dev = qdev_new(TYPE_UNIMPLEMENTED_DEVICE);
669     MemoryRegion *mr_dev;
670 
671     qdev_prop_set_string(dev, "name", name);
672     qdev_prop_set_uint64(dev, "size", size);
673     object_property_add_child(OBJECT(s), name, OBJECT(dev));
674     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
675 
676     mr_dev = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
677     memory_region_add_subregion(mr, base, mr_dev);
678 }
679 
680 static void versal_unimp_sd_emmc_sel(void *opaque, int n, int level)
681 {
682     qemu_log_mask(LOG_UNIMP,
683                   "Selecting between enabling SD mode or eMMC mode on "
684                   "controller %d is not yet implemented\n", n);
685 }
686 
687 static void versal_unimp_qspi_ospi_mux_sel(void *opaque, int n, int level)
688 {
689     qemu_log_mask(LOG_UNIMP,
690                   "Selecting between enabling the QSPI or OSPI linear address "
691                   "region is not yet implemented\n");
692 }
693 
694 static void versal_unimp_irq_parity_imr(void *opaque, int n, int level)
695 {
696     qemu_log_mask(LOG_UNIMP,
697                   "PMC SLCR parity interrupt behaviour "
698                   "is not yet implemented\n");
699 }
700 
701 static void versal_unimp(Versal *s)
702 {
703     qemu_irq gpio_in;
704 
705     versal_unimp_area(s, "psm", &s->mr_ps,
706                         MM_PSM_START, MM_PSM_END - MM_PSM_START);
707     versal_unimp_area(s, "crf", &s->mr_ps,
708                         MM_FPD_CRF, MM_FPD_CRF_SIZE);
709     versal_unimp_area(s, "apu", &s->mr_ps,
710                         MM_FPD_FPD_APU, MM_FPD_FPD_APU_SIZE);
711     versal_unimp_area(s, "crp", &s->mr_ps,
712                         MM_PMC_CRP, MM_PMC_CRP_SIZE);
713     versal_unimp_area(s, "iou-scntr", &s->mr_ps,
714                         MM_IOU_SCNTR, MM_IOU_SCNTR_SIZE);
715     versal_unimp_area(s, "iou-scntr-seucre", &s->mr_ps,
716                         MM_IOU_SCNTRS, MM_IOU_SCNTRS_SIZE);
717 
718     qdev_init_gpio_in_named(DEVICE(s), versal_unimp_sd_emmc_sel,
719                             "sd-emmc-sel-dummy", 2);
720     qdev_init_gpio_in_named(DEVICE(s), versal_unimp_qspi_ospi_mux_sel,
721                             "qspi-ospi-mux-sel-dummy", 1);
722     qdev_init_gpio_in_named(DEVICE(s), versal_unimp_irq_parity_imr,
723                             "irq-parity-imr-dummy", 1);
724 
725     gpio_in = qdev_get_gpio_in_named(DEVICE(s), "sd-emmc-sel-dummy", 0);
726     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr), "sd-emmc-sel", 0,
727                                 gpio_in);
728 
729     gpio_in = qdev_get_gpio_in_named(DEVICE(s), "sd-emmc-sel-dummy", 1);
730     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr), "sd-emmc-sel", 1,
731                                 gpio_in);
732 
733     gpio_in = qdev_get_gpio_in_named(DEVICE(s), "qspi-ospi-mux-sel-dummy", 0);
734     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr),
735                                 "qspi-ospi-mux-sel", 0,
736                                 gpio_in);
737 
738     gpio_in = qdev_get_gpio_in_named(DEVICE(s), "irq-parity-imr-dummy", 0);
739     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr),
740                                 SYSBUS_DEVICE_GPIO_IRQ, 0,
741                                 gpio_in);
742 }
743 
744 static void versal_realize(DeviceState *dev, Error **errp)
745 {
746     Versal *s = XLNX_VERSAL(dev);
747     qemu_irq pic[XLNX_VERSAL_NR_IRQS];
748 
749     versal_create_apu_cpus(s);
750     versal_create_apu_gic(s, pic);
751     versal_create_rpu_cpus(s);
752     versal_create_uarts(s, pic);
753     versal_create_canfds(s, pic);
754     versal_create_usbs(s, pic);
755     versal_create_gems(s, pic);
756     versal_create_admas(s, pic);
757     versal_create_sds(s, pic);
758     versal_create_pmc_apb_irq_orgate(s, pic);
759     versal_create_rtc(s, pic);
760     versal_create_xrams(s, pic);
761     versal_create_bbram(s, pic);
762     versal_create_efuse(s, pic);
763     versal_create_pmc_iou_slcr(s, pic);
764     versal_create_ospi(s, pic);
765     versal_create_crl(s, pic);
766     versal_map_ddr(s);
767     versal_unimp(s);
768 
769     /* Create the On Chip Memory (OCM).  */
770     memory_region_init_ram(&s->lpd.mr_ocm, OBJECT(s), "ocm",
771                            MM_OCM_SIZE, &error_fatal);
772 
773     memory_region_add_subregion_overlap(&s->mr_ps, MM_OCM, &s->lpd.mr_ocm, 0);
774     memory_region_add_subregion_overlap(&s->fpd.apu.mr, 0, &s->mr_ps, 0);
775     memory_region_add_subregion_overlap(&s->lpd.rpu.mr, 0,
776                                         &s->lpd.rpu.mr_ps_alias, 0);
777 }
778 
779 static void versal_init(Object *obj)
780 {
781     Versal *s = XLNX_VERSAL(obj);
782 
783     memory_region_init(&s->fpd.apu.mr, obj, "mr-apu", UINT64_MAX);
784     memory_region_init(&s->lpd.rpu.mr, obj, "mr-rpu", UINT64_MAX);
785     memory_region_init(&s->mr_ps, obj, "mr-ps-switch", UINT64_MAX);
786     memory_region_init_alias(&s->lpd.rpu.mr_ps_alias, OBJECT(s),
787                              "mr-rpu-ps-alias", &s->mr_ps, 0, UINT64_MAX);
788 }
789 
790 static Property versal_properties[] = {
791     DEFINE_PROP_LINK("ddr", Versal, cfg.mr_ddr, TYPE_MEMORY_REGION,
792                      MemoryRegion *),
793     DEFINE_PROP_LINK("canbus0", Versal, lpd.iou.canbus[0],
794                       TYPE_CAN_BUS, CanBusState *),
795     DEFINE_PROP_LINK("canbus1", Versal, lpd.iou.canbus[1],
796                       TYPE_CAN_BUS, CanBusState *),
797     DEFINE_PROP_END_OF_LIST()
798 };
799 
800 static void versal_class_init(ObjectClass *klass, void *data)
801 {
802     DeviceClass *dc = DEVICE_CLASS(klass);
803 
804     dc->realize = versal_realize;
805     device_class_set_props(dc, versal_properties);
806     /* No VMSD since we haven't got any top-level SoC state to save.  */
807 }
808 
809 static const TypeInfo versal_info = {
810     .name = TYPE_XLNX_VERSAL,
811     .parent = TYPE_SYS_BUS_DEVICE,
812     .instance_size = sizeof(Versal),
813     .instance_init = versal_init,
814     .class_init = versal_class_init,
815 };
816 
817 static void versal_register_types(void)
818 {
819     type_register_static(&versal_info);
820 }
821 
822 type_init(versal_register_types);
823