xref: /openbmc/qemu/hw/arm/bcm2835_peripherals.c (revision b403c8d5)
1 /*
2  * Raspberry Pi emulation (c) 2012 Gregory Estrade
3  * Upstreaming code cleanup [including bcm2835_*] (c) 2013 Jan Petrous
4  *
5  * Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft
6  * Written by Andrew Baumann
7  *
8  * This work is licensed under the terms of the GNU GPL, version 2 or later.
9  * See the COPYING file in the top-level directory.
10  */
11 
12 #include "qemu/osdep.h"
13 #include "qapi/error.h"
14 #include "qemu/module.h"
15 #include "hw/arm/bcm2835_peripherals.h"
16 #include "hw/misc/bcm2835_mbox_defs.h"
17 #include "hw/arm/raspi_platform.h"
18 #include "sysemu/sysemu.h"
19 
20 /* Peripheral base address on the VC (GPU) system bus */
21 #define BCM2835_VC_PERI_BASE 0x7e000000
22 
23 /* Capabilities for SD controller: no DMA, high-speed, default clocks etc. */
24 #define BCM2835_SDHC_CAPAREG 0x52134b4
25 
26 /*
27  * According to Linux driver & DTS, dma channels 0--10 have separate IRQ,
28  * while channels 11--14 share one IRQ:
29  */
30 #define SEPARATE_DMA_IRQ_MAX 10
31 #define ORGATED_DMA_IRQ_COUNT 4
32 
33 /* All three I2C controllers share the same IRQ */
34 #define ORGATED_I2C_IRQ_COUNT 3
35 
36 void create_unimp(BCMSocPeripheralBaseState *ps,
37                   UnimplementedDeviceState *uds,
38                   const char *name, hwaddr ofs, hwaddr size)
39 {
40     object_initialize_child(OBJECT(ps), name, uds, TYPE_UNIMPLEMENTED_DEVICE);
41     qdev_prop_set_string(DEVICE(uds), "name", name);
42     qdev_prop_set_uint64(DEVICE(uds), "size", size);
43     sysbus_realize(SYS_BUS_DEVICE(uds), &error_fatal);
44     memory_region_add_subregion_overlap(&ps->peri_mr, ofs,
45                     sysbus_mmio_get_region(SYS_BUS_DEVICE(uds), 0), -1000);
46 }
47 
48 static void bcm2835_peripherals_init(Object *obj)
49 {
50     BCM2835PeripheralState *s = BCM2835_PERIPHERALS(obj);
51     BCMSocPeripheralBaseState *s_base = BCM_SOC_PERIPHERALS_BASE(obj);
52 
53     /* Random Number Generator */
54     object_initialize_child(obj, "rng", &s->rng, TYPE_BCM2835_RNG);
55 
56     /* Thermal */
57     object_initialize_child(obj, "thermal", &s->thermal, TYPE_BCM2835_THERMAL);
58 
59     /* GPIO */
60     object_initialize_child(obj, "gpio", &s->gpio, TYPE_BCM2835_GPIO);
61 
62     object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhci",
63                                    OBJECT(&s_base->sdhci.sdbus));
64     object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhost",
65                                    OBJECT(&s_base->sdhost.sdbus));
66 
67     /* Gated DMA interrupts */
68     object_initialize_child(obj, "orgated-dma-irq",
69                             &s_base->orgated_dma_irq, TYPE_OR_IRQ);
70     object_property_set_int(OBJECT(&s_base->orgated_dma_irq), "num-lines",
71                             ORGATED_DMA_IRQ_COUNT, &error_abort);
72 }
73 
74 static void raspi_peripherals_base_init(Object *obj)
75 {
76     BCMSocPeripheralBaseState *s = BCM_SOC_PERIPHERALS_BASE(obj);
77     BCMSocPeripheralBaseClass *bc = BCM_SOC_PERIPHERALS_BASE_GET_CLASS(obj);
78 
79     /* Memory region for peripheral devices, which we export to our parent */
80     memory_region_init(&s->peri_mr, obj, "bcm2835-peripherals", bc->peri_size);
81     sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->peri_mr);
82 
83     /* Internal memory region for peripheral bus addresses (not exported) */
84     memory_region_init(&s->gpu_bus_mr, obj, "bcm2835-gpu", (uint64_t)1 << 32);
85 
86     /* Internal memory region for request/response communication with
87      * mailbox-addressable peripherals (not exported)
88      */
89     memory_region_init(&s->mbox_mr, obj, "bcm2835-mbox",
90                        MBOX_CHAN_COUNT << MBOX_AS_CHAN_SHIFT);
91 
92     /* Interrupt Controller */
93     object_initialize_child(obj, "ic", &s->ic, TYPE_BCM2835_IC);
94 
95     /* SYS Timer */
96     object_initialize_child(obj, "systimer", &s->systmr,
97                             TYPE_BCM2835_SYSTIMER);
98 
99     /* UART0 */
100     object_initialize_child(obj, "uart0", &s->uart0, TYPE_PL011);
101 
102     /* AUX / UART1 */
103     object_initialize_child(obj, "aux", &s->aux, TYPE_BCM2835_AUX);
104 
105     /* Mailboxes */
106     object_initialize_child(obj, "mbox", &s->mboxes, TYPE_BCM2835_MBOX);
107 
108     object_property_add_const_link(OBJECT(&s->mboxes), "mbox-mr",
109                                    OBJECT(&s->mbox_mr));
110 
111     /* Framebuffer */
112     object_initialize_child(obj, "fb", &s->fb, TYPE_BCM2835_FB);
113     object_property_add_alias(obj, "vcram-size", OBJECT(&s->fb), "vcram-size");
114     object_property_add_alias(obj, "vcram-base", OBJECT(&s->fb), "vcram-base");
115 
116     object_property_add_const_link(OBJECT(&s->fb), "dma-mr",
117                                    OBJECT(&s->gpu_bus_mr));
118 
119     /* Property channel */
120     object_initialize_child(obj, "property", &s->property,
121                             TYPE_BCM2835_PROPERTY);
122     object_property_add_alias(obj, "board-rev", OBJECT(&s->property),
123                               "board-rev");
124     object_property_add_alias(obj, "command-line", OBJECT(&s->property),
125                               "command-line");
126 
127     object_property_add_const_link(OBJECT(&s->property), "fb",
128                                    OBJECT(&s->fb));
129     object_property_add_const_link(OBJECT(&s->property), "dma-mr",
130                                    OBJECT(&s->gpu_bus_mr));
131 
132     /* Extended Mass Media Controller */
133     object_initialize_child(obj, "sdhci", &s->sdhci, TYPE_SYSBUS_SDHCI);
134 
135     /* SDHOST */
136     object_initialize_child(obj, "sdhost", &s->sdhost, TYPE_BCM2835_SDHOST);
137 
138     /* DMA Channels */
139     object_initialize_child(obj, "dma", &s->dma, TYPE_BCM2835_DMA);
140 
141     object_property_add_const_link(OBJECT(&s->dma), "dma-mr",
142                                    OBJECT(&s->gpu_bus_mr));
143 
144     /* Mphi */
145     object_initialize_child(obj, "mphi", &s->mphi, TYPE_BCM2835_MPHI);
146 
147     /* DWC2 */
148     object_initialize_child(obj, "dwc2", &s->dwc2, TYPE_DWC2_USB);
149 
150     /* CPRMAN clock manager */
151     object_initialize_child(obj, "cprman", &s->cprman, TYPE_BCM2835_CPRMAN);
152 
153     object_property_add_const_link(OBJECT(&s->dwc2), "dma-mr",
154                                    OBJECT(&s->gpu_bus_mr));
155 
156     /* Power Management */
157     object_initialize_child(obj, "powermgt", &s->powermgt,
158                             TYPE_BCM2835_POWERMGT);
159 
160     /* SPI */
161     object_initialize_child(obj, "bcm2835-spi0", &s->spi[0],
162                             TYPE_BCM2835_SPI);
163 
164     /* I2C */
165     object_initialize_child(obj, "bcm2835-i2c0", &s->i2c[0],
166                             TYPE_BCM2835_I2C);
167     object_initialize_child(obj, "bcm2835-i2c1", &s->i2c[1],
168                             TYPE_BCM2835_I2C);
169     object_initialize_child(obj, "bcm2835-i2c2", &s->i2c[2],
170                             TYPE_BCM2835_I2C);
171 
172     object_initialize_child(obj, "orgated-i2c-irq",
173                             &s->orgated_i2c_irq, TYPE_OR_IRQ);
174     object_property_set_int(OBJECT(&s->orgated_i2c_irq), "num-lines",
175                             ORGATED_I2C_IRQ_COUNT, &error_abort);
176 }
177 
178 static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp)
179 {
180     MemoryRegion *mphi_mr;
181     BCM2835PeripheralState *s = BCM2835_PERIPHERALS(dev);
182     BCMSocPeripheralBaseState *s_base = BCM_SOC_PERIPHERALS_BASE(dev);
183     int n;
184 
185     bcm_soc_peripherals_common_realize(dev, errp);
186 
187     /* Extended Mass Media Controller */
188     sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->sdhci), 0,
189         qdev_get_gpio_in_named(DEVICE(&s_base->ic), BCM2835_IC_GPU_IRQ,
190                                INTERRUPT_ARASANSDIO));
191 
192      /* Connect DMA 0-12 to the interrupt controller */
193     for (n = 0; n <= SEPARATE_DMA_IRQ_MAX; n++) {
194         sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->dma), n,
195                            qdev_get_gpio_in_named(DEVICE(&s_base->ic),
196                                                   BCM2835_IC_GPU_IRQ,
197                                                   INTERRUPT_DMA0 + n));
198     }
199 
200     if (!qdev_realize(DEVICE(&s_base->orgated_dma_irq), NULL, errp)) {
201         return;
202     }
203     for (n = 0; n < ORGATED_DMA_IRQ_COUNT; n++) {
204         sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->dma),
205                            SEPARATE_DMA_IRQ_MAX + 1 + n,
206                            qdev_get_gpio_in(DEVICE(&s_base->orgated_dma_irq), n));
207     }
208     qdev_connect_gpio_out(DEVICE(&s_base->orgated_dma_irq), 0,
209                           qdev_get_gpio_in_named(DEVICE(&s_base->ic),
210                               BCM2835_IC_GPU_IRQ,
211                               INTERRUPT_DMA0 + SEPARATE_DMA_IRQ_MAX + 1));
212 
213     /* Random Number Generator */
214     if (!sysbus_realize(SYS_BUS_DEVICE(&s->rng), errp)) {
215         return;
216     }
217     memory_region_add_subregion(
218         &s_base->peri_mr, RNG_OFFSET,
219         sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->rng), 0));
220 
221     /* THERMAL */
222     if (!sysbus_realize(SYS_BUS_DEVICE(&s->thermal), errp)) {
223         return;
224     }
225     memory_region_add_subregion(&s_base->peri_mr, THERMAL_OFFSET,
226                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->thermal), 0));
227 
228     /* Map MPHI to the peripherals memory map */
229     mphi_mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s_base->mphi), 0);
230     memory_region_add_subregion(&s_base->peri_mr, MPHI_OFFSET, mphi_mr);
231 
232     /* GPIO */
233     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio), errp)) {
234         return;
235     }
236     memory_region_add_subregion(
237         &s_base->peri_mr, GPIO_OFFSET,
238         sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->gpio), 0));
239 
240     object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->gpio), "sd-bus");
241 }
242 
243 void bcm_soc_peripherals_common_realize(DeviceState *dev, Error **errp)
244 {
245     BCMSocPeripheralBaseState *s = BCM_SOC_PERIPHERALS_BASE(dev);
246     Object *obj;
247     MemoryRegion *ram;
248     Error *err = NULL;
249     uint64_t ram_size, vcram_size, vcram_base;
250     int n;
251 
252     obj = object_property_get_link(OBJECT(dev), "ram", &error_abort);
253 
254     ram = MEMORY_REGION(obj);
255     ram_size = memory_region_size(ram);
256 
257     /* Map peripherals and RAM into the GPU address space. */
258     memory_region_init_alias(&s->peri_mr_alias, OBJECT(s),
259                              "bcm2835-peripherals", &s->peri_mr, 0,
260                              memory_region_size(&s->peri_mr));
261 
262     memory_region_add_subregion_overlap(&s->gpu_bus_mr, BCM2835_VC_PERI_BASE,
263                                         &s->peri_mr_alias, 1);
264 
265     /* RAM is aliased four times (different cache configurations) on the GPU */
266     for (n = 0; n < 4; n++) {
267         memory_region_init_alias(&s->ram_alias[n], OBJECT(s),
268                                  "bcm2835-gpu-ram-alias[*]", ram, 0, ram_size);
269         memory_region_add_subregion_overlap(&s->gpu_bus_mr, (hwaddr)n << 30,
270                                             &s->ram_alias[n], 0);
271     }
272 
273     /* Interrupt Controller */
274     if (!sysbus_realize(SYS_BUS_DEVICE(&s->ic), errp)) {
275         return;
276     }
277 
278     /* CPRMAN clock manager */
279     if (!sysbus_realize(SYS_BUS_DEVICE(&s->cprman), errp)) {
280         return;
281     }
282     memory_region_add_subregion(&s->peri_mr, CPRMAN_OFFSET,
283                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->cprman), 0));
284     qdev_connect_clock_in(DEVICE(&s->uart0), "clk",
285                           qdev_get_clock_out(DEVICE(&s->cprman), "uart-out"));
286 
287     memory_region_add_subregion(&s->peri_mr, ARMCTRL_IC_OFFSET,
288                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->ic), 0));
289     sysbus_pass_irq(SYS_BUS_DEVICE(s), SYS_BUS_DEVICE(&s->ic));
290 
291     /* Sys Timer */
292     if (!sysbus_realize(SYS_BUS_DEVICE(&s->systmr), errp)) {
293         return;
294     }
295     memory_region_add_subregion(&s->peri_mr, ST_OFFSET,
296                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->systmr), 0));
297     sysbus_connect_irq(SYS_BUS_DEVICE(&s->systmr), 0,
298         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
299                                INTERRUPT_TIMER0));
300     sysbus_connect_irq(SYS_BUS_DEVICE(&s->systmr), 1,
301         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
302                                INTERRUPT_TIMER1));
303     sysbus_connect_irq(SYS_BUS_DEVICE(&s->systmr), 2,
304         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
305                                INTERRUPT_TIMER2));
306     sysbus_connect_irq(SYS_BUS_DEVICE(&s->systmr), 3,
307         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
308                                INTERRUPT_TIMER3));
309 
310     /* UART0 */
311     qdev_prop_set_chr(DEVICE(&s->uart0), "chardev", serial_hd(0));
312     if (!sysbus_realize(SYS_BUS_DEVICE(&s->uart0), errp)) {
313         return;
314     }
315 
316     memory_region_add_subregion(&s->peri_mr, UART0_OFFSET,
317                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->uart0), 0));
318     sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart0), 0,
319         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
320                                INTERRUPT_UART0));
321 
322     /* AUX / UART1 */
323     qdev_prop_set_chr(DEVICE(&s->aux), "chardev", serial_hd(1));
324 
325     if (!sysbus_realize(SYS_BUS_DEVICE(&s->aux), errp)) {
326         return;
327     }
328 
329     memory_region_add_subregion(&s->peri_mr, AUX_OFFSET,
330                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->aux), 0));
331     sysbus_connect_irq(SYS_BUS_DEVICE(&s->aux), 0,
332         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
333                                INTERRUPT_AUX));
334 
335     /* Mailboxes */
336     if (!sysbus_realize(SYS_BUS_DEVICE(&s->mboxes), errp)) {
337         return;
338     }
339 
340     memory_region_add_subregion(&s->peri_mr, ARMCTRL_0_SBM_OFFSET,
341                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->mboxes), 0));
342     sysbus_connect_irq(SYS_BUS_DEVICE(&s->mboxes), 0,
343         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_ARM_IRQ,
344                                INTERRUPT_ARM_MAILBOX));
345 
346     /* Framebuffer */
347     vcram_size = object_property_get_uint(OBJECT(s), "vcram-size", &err);
348     if (err) {
349         error_propagate(errp, err);
350         return;
351     }
352 
353     vcram_base = object_property_get_uint(OBJECT(s), "vcram-base", &err);
354     if (err) {
355         error_propagate(errp, err);
356         return;
357     }
358 
359     if (vcram_base == 0) {
360         vcram_base = ram_size - vcram_size;
361     }
362     vcram_base = MIN(vcram_base, UPPER_RAM_BASE - vcram_size);
363 
364     if (!object_property_set_uint(OBJECT(&s->fb), "vcram-base", vcram_base,
365                                   errp)) {
366         return;
367     }
368     if (!sysbus_realize(SYS_BUS_DEVICE(&s->fb), errp)) {
369         return;
370     }
371 
372     memory_region_add_subregion(&s->mbox_mr, MBOX_CHAN_FB << MBOX_AS_CHAN_SHIFT,
373                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->fb), 0));
374     sysbus_connect_irq(SYS_BUS_DEVICE(&s->fb), 0,
375                        qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_FB));
376 
377     /* Property channel */
378     if (!sysbus_realize(SYS_BUS_DEVICE(&s->property), errp)) {
379         return;
380     }
381 
382     memory_region_add_subregion(&s->mbox_mr,
383                 MBOX_CHAN_PROPERTY << MBOX_AS_CHAN_SHIFT,
384                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->property), 0));
385     sysbus_connect_irq(SYS_BUS_DEVICE(&s->property), 0,
386                       qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_PROPERTY));
387 
388     /* Extended Mass Media Controller
389      *
390      * Compatible with:
391      * - SD Host Controller Specification Version 3.0 Draft 1.0
392      * - SDIO Specification Version 3.0
393      * - MMC Specification Version 4.4
394      *
395      * For the exact details please refer to the Arasan documentation:
396      *   SD3.0_Host_AHB_eMMC4.4_Usersguide_ver5.9_jan11_10.pdf
397      */
398     object_property_set_uint(OBJECT(&s->sdhci), "sd-spec-version", 3,
399                              &error_abort);
400     object_property_set_uint(OBJECT(&s->sdhci), "capareg",
401                              BCM2835_SDHC_CAPAREG, &error_abort);
402     object_property_set_bool(OBJECT(&s->sdhci), "pending-insert-quirk", true,
403                              &error_abort);
404     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdhci), errp)) {
405         return;
406     }
407 
408     memory_region_add_subregion(&s->peri_mr, EMMC1_OFFSET,
409                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhci), 0));
410 
411     /* SDHOST */
412     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdhost), errp)) {
413         return;
414     }
415 
416     memory_region_add_subregion(&s->peri_mr, MMCI0_OFFSET,
417                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhost), 0));
418     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhost), 0,
419         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
420                                INTERRUPT_SDIO));
421 
422     /* DMA Channels */
423     if (!sysbus_realize(SYS_BUS_DEVICE(&s->dma), errp)) {
424         return;
425     }
426 
427     memory_region_add_subregion(&s->peri_mr, DMA_OFFSET,
428                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 0));
429     memory_region_add_subregion(&s->peri_mr, DMA15_OFFSET,
430                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 1));
431 
432     /* Mphi */
433     if (!sysbus_realize(SYS_BUS_DEVICE(&s->mphi), errp)) {
434         return;
435     }
436 
437     sysbus_connect_irq(SYS_BUS_DEVICE(&s->mphi), 0,
438         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
439                                INTERRUPT_HOSTPORT));
440 
441     /* DWC2 */
442     if (!sysbus_realize(SYS_BUS_DEVICE(&s->dwc2), errp)) {
443         return;
444     }
445 
446     memory_region_add_subregion(&s->peri_mr, USB_OTG_OFFSET,
447                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dwc2), 0));
448     sysbus_connect_irq(SYS_BUS_DEVICE(&s->dwc2), 0,
449         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
450                                INTERRUPT_USB));
451 
452     /* Power Management */
453     if (!sysbus_realize(SYS_BUS_DEVICE(&s->powermgt), errp)) {
454         return;
455     }
456 
457     memory_region_add_subregion(&s->peri_mr, PM_OFFSET,
458                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->powermgt), 0));
459 
460     /* SPI */
461     if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[0]), errp)) {
462         return;
463     }
464 
465     memory_region_add_subregion(&s->peri_mr, SPI0_OFFSET,
466                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->spi[0]), 0));
467     sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi[0]), 0,
468                        qdev_get_gpio_in_named(DEVICE(&s->ic),
469                                               BCM2835_IC_GPU_IRQ,
470                                               INTERRUPT_SPI));
471 
472     /* I2C */
473     for (n = 0; n < 3; n++) {
474         if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c[n]), errp)) {
475             return;
476         }
477     }
478 
479     memory_region_add_subregion(&s->peri_mr, BSC0_OFFSET,
480             sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->i2c[0]), 0));
481     memory_region_add_subregion(&s->peri_mr, BSC1_OFFSET,
482             sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->i2c[1]), 0));
483     memory_region_add_subregion(&s->peri_mr, BSC2_OFFSET,
484             sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->i2c[2]), 0));
485 
486     if (!qdev_realize(DEVICE(&s->orgated_i2c_irq), NULL, errp)) {
487         return;
488     }
489     for (n = 0; n < ORGATED_I2C_IRQ_COUNT; n++) {
490         sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[n]), 0,
491                            qdev_get_gpio_in(DEVICE(&s->orgated_i2c_irq), n));
492     }
493     qdev_connect_gpio_out(DEVICE(&s->orgated_i2c_irq), 0,
494                           qdev_get_gpio_in_named(DEVICE(&s->ic),
495                                                  BCM2835_IC_GPU_IRQ,
496                                                  INTERRUPT_I2C));
497 
498     create_unimp(s, &s->txp, "bcm2835-txp", TXP_OFFSET, 0x1000);
499     create_unimp(s, &s->armtmr, "bcm2835-sp804", ARMCTRL_TIMER0_1_OFFSET, 0x40);
500     create_unimp(s, &s->i2s, "bcm2835-i2s", I2S_OFFSET, 0x100);
501     create_unimp(s, &s->smi, "bcm2835-smi", SMI_OFFSET, 0x100);
502     create_unimp(s, &s->bscsl, "bcm2835-spis", BSC_SL_OFFSET, 0x100);
503     create_unimp(s, &s->otp, "bcm2835-otp", OTP_OFFSET, 0x80);
504     create_unimp(s, &s->dbus, "bcm2835-dbus", DBUS_OFFSET, 0x8000);
505     create_unimp(s, &s->ave0, "bcm2835-ave0", AVE0_OFFSET, 0x8000);
506     create_unimp(s, &s->v3d, "bcm2835-v3d", V3D_OFFSET, 0x1000);
507     create_unimp(s, &s->sdramc, "bcm2835-sdramc", SDRAMC_OFFSET, 0x100);
508 }
509 
510 static void bcm2835_peripherals_class_init(ObjectClass *oc, void *data)
511 {
512     DeviceClass *dc = DEVICE_CLASS(oc);
513     BCMSocPeripheralBaseClass *bc = BCM_SOC_PERIPHERALS_BASE_CLASS(oc);
514 
515     bc->peri_size = 0x1000000;
516     dc->realize = bcm2835_peripherals_realize;
517 }
518 
519 static const TypeInfo bcm2835_peripherals_types[] = {
520     {
521         .name = TYPE_BCM2835_PERIPHERALS,
522         .parent = TYPE_BCM_SOC_PERIPHERALS_BASE,
523         .instance_size = sizeof(BCM2835PeripheralState),
524         .instance_init = bcm2835_peripherals_init,
525         .class_init = bcm2835_peripherals_class_init,
526     }, {
527         .name = TYPE_BCM_SOC_PERIPHERALS_BASE,
528         .parent = TYPE_SYS_BUS_DEVICE,
529         .instance_size = sizeof(BCMSocPeripheralBaseState),
530         .instance_init = raspi_peripherals_base_init,
531         .class_size = sizeof(BCMSocPeripheralBaseClass),
532         .abstract = true,
533     }
534 };
535 
536 DEFINE_TYPES(bcm2835_peripherals_types)
537