xref: /openbmc/qemu/hw/arm/xlnx-versal.c (revision 6eedbb5b)
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 18
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      *  - CFRAME regs (input 3 - 17 to the orgate)
345      */
346     object_initialize_child(OBJECT(s), "pmc-apb-irq-orgate",
347                             &s->pmc.apb_irq_orgate, TYPE_OR_IRQ);
348     orgate = DEVICE(&s->pmc.apb_irq_orgate);
349     object_property_set_int(OBJECT(orgate),
350                             "num-lines", VERSAL_NUM_PMC_APB_IRQS, &error_fatal);
351     qdev_realize(orgate, NULL, &error_fatal);
352     qdev_connect_gpio_out(orgate, 0, pic[VERSAL_PMC_APB_IRQ]);
353 }
354 
355 static void versal_create_rtc(Versal *s, qemu_irq *pic)
356 {
357     SysBusDevice *sbd;
358     MemoryRegion *mr;
359 
360     object_initialize_child(OBJECT(s), "rtc", &s->pmc.rtc,
361                             TYPE_XLNX_ZYNQMP_RTC);
362     sbd = SYS_BUS_DEVICE(&s->pmc.rtc);
363     sysbus_realize(sbd, &error_fatal);
364 
365     mr = sysbus_mmio_get_region(sbd, 0);
366     memory_region_add_subregion(&s->mr_ps, MM_PMC_RTC, mr);
367 
368     /*
369      * TODO: Connect the ALARM and SECONDS interrupts once our RTC model
370      * supports them.
371      */
372     sysbus_connect_irq(sbd, 1,
373                        qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 0));
374 }
375 
376 static void versal_create_xrams(Versal *s, qemu_irq *pic)
377 {
378     int nr_xrams = ARRAY_SIZE(s->lpd.xram.ctrl);
379     DeviceState *orgate;
380     int i;
381 
382     /* XRAM IRQs get ORed into a single line.  */
383     object_initialize_child(OBJECT(s), "xram-irq-orgate",
384                             &s->lpd.xram.irq_orgate, TYPE_OR_IRQ);
385     orgate = DEVICE(&s->lpd.xram.irq_orgate);
386     object_property_set_int(OBJECT(orgate),
387                             "num-lines", nr_xrams, &error_fatal);
388     qdev_realize(orgate, NULL, &error_fatal);
389     qdev_connect_gpio_out(orgate, 0, pic[VERSAL_XRAM_IRQ_0]);
390 
391     for (i = 0; i < ARRAY_SIZE(s->lpd.xram.ctrl); i++) {
392         SysBusDevice *sbd;
393         MemoryRegion *mr;
394 
395         object_initialize_child(OBJECT(s), "xram[*]", &s->lpd.xram.ctrl[i],
396                                 TYPE_XLNX_XRAM_CTRL);
397         sbd = SYS_BUS_DEVICE(&s->lpd.xram.ctrl[i]);
398         sysbus_realize(sbd, &error_fatal);
399 
400         mr = sysbus_mmio_get_region(sbd, 0);
401         memory_region_add_subregion(&s->mr_ps,
402                                     MM_XRAMC + i * MM_XRAMC_SIZE, mr);
403         mr = sysbus_mmio_get_region(sbd, 1);
404         memory_region_add_subregion(&s->mr_ps, MM_XRAM + i * MiB, mr);
405 
406         sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(orgate, i));
407     }
408 }
409 
410 static void versal_create_bbram(Versal *s, qemu_irq *pic)
411 {
412     SysBusDevice *sbd;
413 
414     object_initialize_child_with_props(OBJECT(s), "bbram", &s->pmc.bbram,
415                                        sizeof(s->pmc.bbram), TYPE_XLNX_BBRAM,
416                                        &error_fatal,
417                                        "crc-zpads", "0",
418                                        NULL);
419     sbd = SYS_BUS_DEVICE(&s->pmc.bbram);
420 
421     sysbus_realize(sbd, &error_fatal);
422     memory_region_add_subregion(&s->mr_ps, MM_PMC_BBRAM_CTRL,
423                                 sysbus_mmio_get_region(sbd, 0));
424     sysbus_connect_irq(sbd, 0,
425                        qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 1));
426 }
427 
428 static void versal_realize_efuse_part(Versal *s, Object *dev, hwaddr base)
429 {
430     SysBusDevice *part = SYS_BUS_DEVICE(dev);
431 
432     object_property_set_link(OBJECT(part), "efuse",
433                              OBJECT(&s->pmc.efuse), &error_abort);
434 
435     sysbus_realize(part, &error_abort);
436     memory_region_add_subregion(&s->mr_ps, base,
437                                 sysbus_mmio_get_region(part, 0));
438 }
439 
440 static void versal_create_efuse(Versal *s, qemu_irq *pic)
441 {
442     Object *bits = OBJECT(&s->pmc.efuse);
443     Object *ctrl = OBJECT(&s->pmc.efuse_ctrl);
444     Object *cache = OBJECT(&s->pmc.efuse_cache);
445 
446     object_initialize_child(OBJECT(s), "efuse-ctrl", &s->pmc.efuse_ctrl,
447                             TYPE_XLNX_VERSAL_EFUSE_CTRL);
448 
449     object_initialize_child(OBJECT(s), "efuse-cache", &s->pmc.efuse_cache,
450                             TYPE_XLNX_VERSAL_EFUSE_CACHE);
451 
452     object_initialize_child_with_props(ctrl, "xlnx-efuse@0", bits,
453                                        sizeof(s->pmc.efuse),
454                                        TYPE_XLNX_EFUSE, &error_abort,
455                                        "efuse-nr", "3",
456                                        "efuse-size", "8192",
457                                        NULL);
458 
459     qdev_realize(DEVICE(bits), NULL, &error_abort);
460     versal_realize_efuse_part(s, ctrl, MM_PMC_EFUSE_CTRL);
461     versal_realize_efuse_part(s, cache, MM_PMC_EFUSE_CACHE);
462 
463     sysbus_connect_irq(SYS_BUS_DEVICE(ctrl), 0, pic[VERSAL_EFUSE_IRQ]);
464 }
465 
466 static void versal_create_pmc_iou_slcr(Versal *s, qemu_irq *pic)
467 {
468     SysBusDevice *sbd;
469 
470     object_initialize_child(OBJECT(s), "versal-pmc-iou-slcr", &s->pmc.iou.slcr,
471                             TYPE_XILINX_VERSAL_PMC_IOU_SLCR);
472 
473     sbd = SYS_BUS_DEVICE(&s->pmc.iou.slcr);
474     sysbus_realize(sbd, &error_fatal);
475 
476     memory_region_add_subregion(&s->mr_ps, MM_PMC_PMC_IOU_SLCR,
477                                 sysbus_mmio_get_region(sbd, 0));
478 
479     sysbus_connect_irq(sbd, 0,
480                        qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 2));
481 }
482 
483 static void versal_create_ospi(Versal *s, qemu_irq *pic)
484 {
485     SysBusDevice *sbd;
486     MemoryRegion *mr_dac;
487     qemu_irq ospi_mux_sel;
488     DeviceState *orgate;
489 
490     memory_region_init(&s->pmc.iou.ospi.linear_mr, OBJECT(s),
491                        "versal-ospi-linear-mr" , MM_PMC_OSPI_DAC_SIZE);
492 
493     object_initialize_child(OBJECT(s), "versal-ospi", &s->pmc.iou.ospi.ospi,
494                             TYPE_XILINX_VERSAL_OSPI);
495 
496     mr_dac = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->pmc.iou.ospi.ospi), 1);
497     memory_region_add_subregion(&s->pmc.iou.ospi.linear_mr, 0x0, mr_dac);
498 
499     /* Create the OSPI destination DMA */
500     object_initialize_child(OBJECT(s), "versal-ospi-dma-dst",
501                             &s->pmc.iou.ospi.dma_dst,
502                             TYPE_XLNX_CSU_DMA);
503 
504     object_property_set_link(OBJECT(&s->pmc.iou.ospi.dma_dst),
505                             "dma", OBJECT(get_system_memory()),
506                              &error_abort);
507 
508     sbd = SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_dst);
509     sysbus_realize(sbd, &error_fatal);
510 
511     memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI_DMA_DST,
512                                 sysbus_mmio_get_region(sbd, 0));
513 
514     /* Create the OSPI source DMA */
515     object_initialize_child(OBJECT(s), "versal-ospi-dma-src",
516                             &s->pmc.iou.ospi.dma_src,
517                             TYPE_XLNX_CSU_DMA);
518 
519     object_property_set_bool(OBJECT(&s->pmc.iou.ospi.dma_src), "is-dst",
520                              false, &error_abort);
521 
522     object_property_set_link(OBJECT(&s->pmc.iou.ospi.dma_src),
523                             "dma", OBJECT(mr_dac), &error_abort);
524 
525     object_property_set_link(OBJECT(&s->pmc.iou.ospi.dma_src),
526                             "stream-connected-dma",
527                              OBJECT(&s->pmc.iou.ospi.dma_dst),
528                              &error_abort);
529 
530     sbd = SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_src);
531     sysbus_realize(sbd, &error_fatal);
532 
533     memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI_DMA_SRC,
534                                 sysbus_mmio_get_region(sbd, 0));
535 
536     /* Realize the OSPI */
537     object_property_set_link(OBJECT(&s->pmc.iou.ospi.ospi), "dma-src",
538                              OBJECT(&s->pmc.iou.ospi.dma_src), &error_abort);
539 
540     sbd = SYS_BUS_DEVICE(&s->pmc.iou.ospi.ospi);
541     sysbus_realize(sbd, &error_fatal);
542 
543     memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI,
544                                 sysbus_mmio_get_region(sbd, 0));
545 
546     memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI_DAC,
547                                 &s->pmc.iou.ospi.linear_mr);
548 
549     /* ospi_mux_sel */
550     ospi_mux_sel = qdev_get_gpio_in_named(DEVICE(&s->pmc.iou.ospi.ospi),
551                                           "ospi-mux-sel", 0);
552     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr), "ospi-mux-sel", 0,
553                                 ospi_mux_sel);
554 
555     /* OSPI irq */
556     object_initialize_child(OBJECT(s), "ospi-irq-orgate",
557                             &s->pmc.iou.ospi.irq_orgate, TYPE_OR_IRQ);
558     object_property_set_int(OBJECT(&s->pmc.iou.ospi.irq_orgate),
559                             "num-lines", NUM_OSPI_IRQ_LINES, &error_fatal);
560 
561     orgate = DEVICE(&s->pmc.iou.ospi.irq_orgate);
562     qdev_realize(orgate, NULL, &error_fatal);
563 
564     sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.ospi), 0,
565                        qdev_get_gpio_in(orgate, 0));
566     sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_src), 0,
567                        qdev_get_gpio_in(orgate, 1));
568     sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_dst), 0,
569                        qdev_get_gpio_in(orgate, 2));
570 
571     qdev_connect_gpio_out(orgate, 0, pic[VERSAL_OSPI_IRQ]);
572 }
573 
574 static void versal_create_cfu(Versal *s, qemu_irq *pic)
575 {
576     SysBusDevice *sbd;
577     DeviceState *dev;
578     int i;
579     const struct {
580         uint64_t reg_base;
581         uint64_t fdri_base;
582     } cframe_addr[] = {
583         { MM_PMC_CFRAME0_REG, MM_PMC_CFRAME0_FDRI },
584         { MM_PMC_CFRAME1_REG, MM_PMC_CFRAME1_FDRI },
585         { MM_PMC_CFRAME2_REG, MM_PMC_CFRAME2_FDRI },
586         { MM_PMC_CFRAME3_REG, MM_PMC_CFRAME3_FDRI },
587         { MM_PMC_CFRAME4_REG, MM_PMC_CFRAME4_FDRI },
588         { MM_PMC_CFRAME5_REG, MM_PMC_CFRAME5_FDRI },
589         { MM_PMC_CFRAME6_REG, MM_PMC_CFRAME6_FDRI },
590         { MM_PMC_CFRAME7_REG, MM_PMC_CFRAME7_FDRI },
591         { MM_PMC_CFRAME8_REG, MM_PMC_CFRAME8_FDRI },
592         { MM_PMC_CFRAME9_REG, MM_PMC_CFRAME9_FDRI },
593         { MM_PMC_CFRAME10_REG, MM_PMC_CFRAME10_FDRI },
594         { MM_PMC_CFRAME11_REG, MM_PMC_CFRAME11_FDRI },
595         { MM_PMC_CFRAME12_REG, MM_PMC_CFRAME12_FDRI },
596         { MM_PMC_CFRAME13_REG, MM_PMC_CFRAME13_FDRI },
597         { MM_PMC_CFRAME14_REG, MM_PMC_CFRAME14_FDRI },
598     };
599     const struct {
600         uint32_t blktype0_frames;
601         uint32_t blktype1_frames;
602         uint32_t blktype2_frames;
603         uint32_t blktype3_frames;
604         uint32_t blktype4_frames;
605         uint32_t blktype5_frames;
606         uint32_t blktype6_frames;
607     } cframe_cfg[] = {
608         [0] = { 34111, 3528, 12800, 11, 5, 1, 1 },
609         [1] = { 38498, 3841, 15361, 13, 7, 3, 1 },
610         [2] = { 38498, 3841, 15361, 13, 7, 3, 1 },
611         [3] = { 38498, 3841, 15361, 13, 7, 3, 1 },
612     };
613 
614     /* CFU FDRO */
615     object_initialize_child(OBJECT(s), "cfu-fdro", &s->pmc.cfu_fdro,
616                             TYPE_XLNX_VERSAL_CFU_FDRO);
617     sbd = SYS_BUS_DEVICE(&s->pmc.cfu_fdro);
618 
619     sysbus_realize(sbd, &error_fatal);
620     memory_region_add_subregion(&s->mr_ps, MM_PMC_CFU_FDRO,
621                                 sysbus_mmio_get_region(sbd, 0));
622 
623     /* CFRAME REG */
624     for (i = 0; i < ARRAY_SIZE(s->pmc.cframe); i++) {
625         g_autofree char *name = g_strdup_printf("cframe%d", i);
626 
627         object_initialize_child(OBJECT(s), name, &s->pmc.cframe[i],
628                                 TYPE_XLNX_VERSAL_CFRAME_REG);
629 
630         sbd = SYS_BUS_DEVICE(&s->pmc.cframe[i]);
631         dev = DEVICE(&s->pmc.cframe[i]);
632 
633         if (i < ARRAY_SIZE(cframe_cfg)) {
634             object_property_set_int(OBJECT(dev), "blktype0-frames",
635                                     cframe_cfg[i].blktype0_frames,
636                                     &error_abort);
637             object_property_set_int(OBJECT(dev), "blktype1-frames",
638                                     cframe_cfg[i].blktype1_frames,
639                                     &error_abort);
640             object_property_set_int(OBJECT(dev), "blktype2-frames",
641                                     cframe_cfg[i].blktype2_frames,
642                                     &error_abort);
643             object_property_set_int(OBJECT(dev), "blktype3-frames",
644                                     cframe_cfg[i].blktype3_frames,
645                                     &error_abort);
646             object_property_set_int(OBJECT(dev), "blktype4-frames",
647                                     cframe_cfg[i].blktype4_frames,
648                                     &error_abort);
649             object_property_set_int(OBJECT(dev), "blktype5-frames",
650                                     cframe_cfg[i].blktype5_frames,
651                                     &error_abort);
652             object_property_set_int(OBJECT(dev), "blktype6-frames",
653                                     cframe_cfg[i].blktype6_frames,
654                                     &error_abort);
655         }
656         object_property_set_link(OBJECT(dev), "cfu-fdro",
657                                  OBJECT(&s->pmc.cfu_fdro), &error_fatal);
658 
659         sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
660 
661         memory_region_add_subregion(&s->mr_ps, cframe_addr[i].reg_base,
662                                     sysbus_mmio_get_region(sbd, 0));
663         memory_region_add_subregion(&s->mr_ps, cframe_addr[i].fdri_base,
664                                     sysbus_mmio_get_region(sbd, 1));
665         sysbus_connect_irq(sbd, 0,
666                            qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate),
667                                             3 + i));
668     }
669 
670     /* CFRAME BCAST */
671     object_initialize_child(OBJECT(s), "cframe_bcast", &s->pmc.cframe_bcast,
672                             TYPE_XLNX_VERSAL_CFRAME_BCAST_REG);
673 
674     sbd = SYS_BUS_DEVICE(&s->pmc.cframe_bcast);
675     dev = DEVICE(&s->pmc.cframe_bcast);
676 
677     for (i = 0; i < ARRAY_SIZE(s->pmc.cframe); i++) {
678         g_autofree char *propname = g_strdup_printf("cframe%d", i);
679         object_property_set_link(OBJECT(dev), propname,
680                                  OBJECT(&s->pmc.cframe[i]), &error_fatal);
681     }
682 
683     sysbus_realize(sbd, &error_fatal);
684 
685     memory_region_add_subregion(&s->mr_ps, MM_PMC_CFRAME_BCAST_REG,
686                                 sysbus_mmio_get_region(sbd, 0));
687     memory_region_add_subregion(&s->mr_ps, MM_PMC_CFRAME_BCAST_FDRI,
688                                 sysbus_mmio_get_region(sbd, 1));
689 
690     /* CFU APB */
691     object_initialize_child(OBJECT(s), "cfu-apb", &s->pmc.cfu_apb,
692                             TYPE_XLNX_VERSAL_CFU_APB);
693     sbd = SYS_BUS_DEVICE(&s->pmc.cfu_apb);
694     dev = DEVICE(&s->pmc.cfu_apb);
695 
696     for (i = 0; i < ARRAY_SIZE(s->pmc.cframe); i++) {
697         g_autofree char *propname = g_strdup_printf("cframe%d", i);
698         object_property_set_link(OBJECT(dev), propname,
699                                  OBJECT(&s->pmc.cframe[i]), &error_fatal);
700     }
701 
702     sysbus_realize(sbd, &error_fatal);
703     memory_region_add_subregion(&s->mr_ps, MM_PMC_CFU_APB,
704                                 sysbus_mmio_get_region(sbd, 0));
705     memory_region_add_subregion(&s->mr_ps, MM_PMC_CFU_STREAM,
706                                 sysbus_mmio_get_region(sbd, 1));
707     memory_region_add_subregion(&s->mr_ps, MM_PMC_CFU_STREAM_2,
708                                 sysbus_mmio_get_region(sbd, 2));
709     sysbus_connect_irq(sbd, 0, pic[VERSAL_CFU_IRQ_0]);
710 
711     /* CFU SFR */
712     object_initialize_child(OBJECT(s), "cfu-sfr", &s->pmc.cfu_sfr,
713                             TYPE_XLNX_VERSAL_CFU_SFR);
714 
715     sbd = SYS_BUS_DEVICE(&s->pmc.cfu_sfr);
716 
717     object_property_set_link(OBJECT(&s->pmc.cfu_sfr),
718                             "cfu", OBJECT(&s->pmc.cfu_apb), &error_abort);
719 
720     sysbus_realize(sbd, &error_fatal);
721     memory_region_add_subregion(&s->mr_ps, MM_PMC_CFU_SFR,
722                                 sysbus_mmio_get_region(sbd, 0));
723 }
724 
725 static void versal_create_crl(Versal *s, qemu_irq *pic)
726 {
727     SysBusDevice *sbd;
728     int i;
729 
730     object_initialize_child(OBJECT(s), "crl", &s->lpd.crl,
731                             TYPE_XLNX_VERSAL_CRL);
732     sbd = SYS_BUS_DEVICE(&s->lpd.crl);
733 
734     for (i = 0; i < ARRAY_SIZE(s->lpd.rpu.cpu); i++) {
735         g_autofree gchar *name = g_strdup_printf("cpu_r5[%d]", i);
736 
737         object_property_set_link(OBJECT(&s->lpd.crl),
738                                  name, OBJECT(&s->lpd.rpu.cpu[i]),
739                                  &error_abort);
740     }
741 
742     for (i = 0; i < ARRAY_SIZE(s->lpd.iou.gem); i++) {
743         g_autofree gchar *name = g_strdup_printf("gem[%d]", i);
744 
745         object_property_set_link(OBJECT(&s->lpd.crl),
746                                  name, OBJECT(&s->lpd.iou.gem[i]),
747                                  &error_abort);
748     }
749 
750     for (i = 0; i < ARRAY_SIZE(s->lpd.iou.adma); i++) {
751         g_autofree gchar *name = g_strdup_printf("adma[%d]", i);
752 
753         object_property_set_link(OBJECT(&s->lpd.crl),
754                                  name, OBJECT(&s->lpd.iou.adma[i]),
755                                  &error_abort);
756     }
757 
758     for (i = 0; i < ARRAY_SIZE(s->lpd.iou.uart); i++) {
759         g_autofree gchar *name = g_strdup_printf("uart[%d]", i);
760 
761         object_property_set_link(OBJECT(&s->lpd.crl),
762                                  name, OBJECT(&s->lpd.iou.uart[i]),
763                                  &error_abort);
764     }
765 
766     object_property_set_link(OBJECT(&s->lpd.crl),
767                              "usb", OBJECT(&s->lpd.iou.usb),
768                              &error_abort);
769 
770     sysbus_realize(sbd, &error_fatal);
771     memory_region_add_subregion(&s->mr_ps, MM_CRL,
772                                 sysbus_mmio_get_region(sbd, 0));
773     sysbus_connect_irq(sbd, 0, pic[VERSAL_CRL_IRQ]);
774 }
775 
776 /* This takes the board allocated linear DDR memory and creates aliases
777  * for each split DDR range/aperture on the Versal address map.
778  */
779 static void versal_map_ddr(Versal *s)
780 {
781     uint64_t size = memory_region_size(s->cfg.mr_ddr);
782     /* Describes the various split DDR access regions.  */
783     static const struct {
784         uint64_t base;
785         uint64_t size;
786     } addr_ranges[] = {
787         { MM_TOP_DDR, MM_TOP_DDR_SIZE },
788         { MM_TOP_DDR_2, MM_TOP_DDR_2_SIZE },
789         { MM_TOP_DDR_3, MM_TOP_DDR_3_SIZE },
790         { MM_TOP_DDR_4, MM_TOP_DDR_4_SIZE }
791     };
792     uint64_t offset = 0;
793     int i;
794 
795     assert(ARRAY_SIZE(addr_ranges) == ARRAY_SIZE(s->noc.mr_ddr_ranges));
796     for (i = 0; i < ARRAY_SIZE(addr_ranges) && size; i++) {
797         char *name;
798         uint64_t mapsize;
799 
800         mapsize = size < addr_ranges[i].size ? size : addr_ranges[i].size;
801         name = g_strdup_printf("noc-ddr-range%d", i);
802         /* Create the MR alias.  */
803         memory_region_init_alias(&s->noc.mr_ddr_ranges[i], OBJECT(s),
804                                  name, s->cfg.mr_ddr,
805                                  offset, mapsize);
806 
807         /* Map it onto the NoC MR.  */
808         memory_region_add_subregion(&s->mr_ps, addr_ranges[i].base,
809                                     &s->noc.mr_ddr_ranges[i]);
810         offset += mapsize;
811         size -= mapsize;
812         g_free(name);
813     }
814 }
815 
816 static void versal_unimp_area(Versal *s, const char *name,
817                                 MemoryRegion *mr,
818                                 hwaddr base, hwaddr size)
819 {
820     DeviceState *dev = qdev_new(TYPE_UNIMPLEMENTED_DEVICE);
821     MemoryRegion *mr_dev;
822 
823     qdev_prop_set_string(dev, "name", name);
824     qdev_prop_set_uint64(dev, "size", size);
825     object_property_add_child(OBJECT(s), name, OBJECT(dev));
826     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
827 
828     mr_dev = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
829     memory_region_add_subregion(mr, base, mr_dev);
830 }
831 
832 static void versal_unimp_sd_emmc_sel(void *opaque, int n, int level)
833 {
834     qemu_log_mask(LOG_UNIMP,
835                   "Selecting between enabling SD mode or eMMC mode on "
836                   "controller %d is not yet implemented\n", n);
837 }
838 
839 static void versal_unimp_qspi_ospi_mux_sel(void *opaque, int n, int level)
840 {
841     qemu_log_mask(LOG_UNIMP,
842                   "Selecting between enabling the QSPI or OSPI linear address "
843                   "region is not yet implemented\n");
844 }
845 
846 static void versal_unimp_irq_parity_imr(void *opaque, int n, int level)
847 {
848     qemu_log_mask(LOG_UNIMP,
849                   "PMC SLCR parity interrupt behaviour "
850                   "is not yet implemented\n");
851 }
852 
853 static void versal_unimp(Versal *s)
854 {
855     qemu_irq gpio_in;
856 
857     versal_unimp_area(s, "psm", &s->mr_ps,
858                         MM_PSM_START, MM_PSM_END - MM_PSM_START);
859     versal_unimp_area(s, "crf", &s->mr_ps,
860                         MM_FPD_CRF, MM_FPD_CRF_SIZE);
861     versal_unimp_area(s, "apu", &s->mr_ps,
862                         MM_FPD_FPD_APU, MM_FPD_FPD_APU_SIZE);
863     versal_unimp_area(s, "crp", &s->mr_ps,
864                         MM_PMC_CRP, MM_PMC_CRP_SIZE);
865     versal_unimp_area(s, "iou-scntr", &s->mr_ps,
866                         MM_IOU_SCNTR, MM_IOU_SCNTR_SIZE);
867     versal_unimp_area(s, "iou-scntr-seucre", &s->mr_ps,
868                         MM_IOU_SCNTRS, MM_IOU_SCNTRS_SIZE);
869 
870     qdev_init_gpio_in_named(DEVICE(s), versal_unimp_sd_emmc_sel,
871                             "sd-emmc-sel-dummy", 2);
872     qdev_init_gpio_in_named(DEVICE(s), versal_unimp_qspi_ospi_mux_sel,
873                             "qspi-ospi-mux-sel-dummy", 1);
874     qdev_init_gpio_in_named(DEVICE(s), versal_unimp_irq_parity_imr,
875                             "irq-parity-imr-dummy", 1);
876 
877     gpio_in = qdev_get_gpio_in_named(DEVICE(s), "sd-emmc-sel-dummy", 0);
878     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr), "sd-emmc-sel", 0,
879                                 gpio_in);
880 
881     gpio_in = qdev_get_gpio_in_named(DEVICE(s), "sd-emmc-sel-dummy", 1);
882     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr), "sd-emmc-sel", 1,
883                                 gpio_in);
884 
885     gpio_in = qdev_get_gpio_in_named(DEVICE(s), "qspi-ospi-mux-sel-dummy", 0);
886     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr),
887                                 "qspi-ospi-mux-sel", 0,
888                                 gpio_in);
889 
890     gpio_in = qdev_get_gpio_in_named(DEVICE(s), "irq-parity-imr-dummy", 0);
891     qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr),
892                                 SYSBUS_DEVICE_GPIO_IRQ, 0,
893                                 gpio_in);
894 }
895 
896 static void versal_realize(DeviceState *dev, Error **errp)
897 {
898     Versal *s = XLNX_VERSAL(dev);
899     qemu_irq pic[XLNX_VERSAL_NR_IRQS];
900 
901     versal_create_apu_cpus(s);
902     versal_create_apu_gic(s, pic);
903     versal_create_rpu_cpus(s);
904     versal_create_uarts(s, pic);
905     versal_create_canfds(s, pic);
906     versal_create_usbs(s, pic);
907     versal_create_gems(s, pic);
908     versal_create_admas(s, pic);
909     versal_create_sds(s, pic);
910     versal_create_pmc_apb_irq_orgate(s, pic);
911     versal_create_rtc(s, pic);
912     versal_create_xrams(s, pic);
913     versal_create_bbram(s, pic);
914     versal_create_efuse(s, pic);
915     versal_create_pmc_iou_slcr(s, pic);
916     versal_create_ospi(s, pic);
917     versal_create_crl(s, pic);
918     versal_create_cfu(s, pic);
919     versal_map_ddr(s);
920     versal_unimp(s);
921 
922     /* Create the On Chip Memory (OCM).  */
923     memory_region_init_ram(&s->lpd.mr_ocm, OBJECT(s), "ocm",
924                            MM_OCM_SIZE, &error_fatal);
925 
926     memory_region_add_subregion_overlap(&s->mr_ps, MM_OCM, &s->lpd.mr_ocm, 0);
927     memory_region_add_subregion_overlap(&s->fpd.apu.mr, 0, &s->mr_ps, 0);
928     memory_region_add_subregion_overlap(&s->lpd.rpu.mr, 0,
929                                         &s->lpd.rpu.mr_ps_alias, 0);
930 }
931 
932 static void versal_init(Object *obj)
933 {
934     Versal *s = XLNX_VERSAL(obj);
935 
936     memory_region_init(&s->fpd.apu.mr, obj, "mr-apu", UINT64_MAX);
937     memory_region_init(&s->lpd.rpu.mr, obj, "mr-rpu", UINT64_MAX);
938     memory_region_init(&s->mr_ps, obj, "mr-ps-switch", UINT64_MAX);
939     memory_region_init_alias(&s->lpd.rpu.mr_ps_alias, OBJECT(s),
940                              "mr-rpu-ps-alias", &s->mr_ps, 0, UINT64_MAX);
941 }
942 
943 static Property versal_properties[] = {
944     DEFINE_PROP_LINK("ddr", Versal, cfg.mr_ddr, TYPE_MEMORY_REGION,
945                      MemoryRegion *),
946     DEFINE_PROP_LINK("canbus0", Versal, lpd.iou.canbus[0],
947                       TYPE_CAN_BUS, CanBusState *),
948     DEFINE_PROP_LINK("canbus1", Versal, lpd.iou.canbus[1],
949                       TYPE_CAN_BUS, CanBusState *),
950     DEFINE_PROP_END_OF_LIST()
951 };
952 
953 static void versal_class_init(ObjectClass *klass, void *data)
954 {
955     DeviceClass *dc = DEVICE_CLASS(klass);
956 
957     dc->realize = versal_realize;
958     device_class_set_props(dc, versal_properties);
959     /* No VMSD since we haven't got any top-level SoC state to save.  */
960 }
961 
962 static const TypeInfo versal_info = {
963     .name = TYPE_XLNX_VERSAL,
964     .parent = TYPE_SYS_BUS_DEVICE,
965     .instance_size = sizeof(Versal),
966     .instance_init = versal_init,
967     .class_init = versal_class_init,
968 };
969 
970 static void versal_register_types(void)
971 {
972     type_register_static(&versal_info);
973 }
974 
975 type_init(versal_register_types);
976