xref: /openbmc/qemu/hw/arm/bcm2835_peripherals.c (revision 0487c631)
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     /* OTP */
120     object_initialize_child(obj, "bcm2835-otp", &s->otp,
121                             TYPE_BCM2835_OTP);
122 
123     /* Property channel */
124     object_initialize_child(obj, "property", &s->property,
125                             TYPE_BCM2835_PROPERTY);
126     object_property_add_alias(obj, "board-rev", OBJECT(&s->property),
127                               "board-rev");
128     object_property_add_alias(obj, "command-line", OBJECT(&s->property),
129                               "command-line");
130 
131     object_property_add_const_link(OBJECT(&s->property), "fb",
132                                    OBJECT(&s->fb));
133     object_property_add_const_link(OBJECT(&s->property), "dma-mr",
134                                    OBJECT(&s->gpu_bus_mr));
135     object_property_add_const_link(OBJECT(&s->property), "otp",
136                                    OBJECT(&s->otp));
137 
138     /* Extended Mass Media Controller */
139     object_initialize_child(obj, "sdhci", &s->sdhci, TYPE_SYSBUS_SDHCI);
140 
141     /* SDHOST */
142     object_initialize_child(obj, "sdhost", &s->sdhost, TYPE_BCM2835_SDHOST);
143 
144     /* DMA Channels */
145     object_initialize_child(obj, "dma", &s->dma, TYPE_BCM2835_DMA);
146 
147     object_property_add_const_link(OBJECT(&s->dma), "dma-mr",
148                                    OBJECT(&s->gpu_bus_mr));
149 
150     /* Mphi */
151     object_initialize_child(obj, "mphi", &s->mphi, TYPE_BCM2835_MPHI);
152 
153     /* DWC2 */
154     object_initialize_child(obj, "dwc2", &s->dwc2, TYPE_DWC2_USB);
155 
156     /* CPRMAN clock manager */
157     object_initialize_child(obj, "cprman", &s->cprman, TYPE_BCM2835_CPRMAN);
158 
159     object_property_add_const_link(OBJECT(&s->dwc2), "dma-mr",
160                                    OBJECT(&s->gpu_bus_mr));
161 
162     /* Power Management */
163     object_initialize_child(obj, "powermgt", &s->powermgt,
164                             TYPE_BCM2835_POWERMGT);
165 
166     /* SPI */
167     object_initialize_child(obj, "bcm2835-spi0", &s->spi[0],
168                             TYPE_BCM2835_SPI);
169 
170     /* I2C */
171     object_initialize_child(obj, "bcm2835-i2c0", &s->i2c[0],
172                             TYPE_BCM2835_I2C);
173     object_initialize_child(obj, "bcm2835-i2c1", &s->i2c[1],
174                             TYPE_BCM2835_I2C);
175     object_initialize_child(obj, "bcm2835-i2c2", &s->i2c[2],
176                             TYPE_BCM2835_I2C);
177 
178     object_initialize_child(obj, "orgated-i2c-irq",
179                             &s->orgated_i2c_irq, TYPE_OR_IRQ);
180     object_property_set_int(OBJECT(&s->orgated_i2c_irq), "num-lines",
181                             ORGATED_I2C_IRQ_COUNT, &error_abort);
182 }
183 
184 static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp)
185 {
186     MemoryRegion *mphi_mr;
187     BCM2835PeripheralState *s = BCM2835_PERIPHERALS(dev);
188     BCMSocPeripheralBaseState *s_base = BCM_SOC_PERIPHERALS_BASE(dev);
189     int n;
190 
191     bcm_soc_peripherals_common_realize(dev, errp);
192 
193     /* Extended Mass Media Controller */
194     sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->sdhci), 0,
195         qdev_get_gpio_in_named(DEVICE(&s_base->ic), BCM2835_IC_GPU_IRQ,
196                                INTERRUPT_ARASANSDIO));
197 
198      /* Connect DMA 0-12 to the interrupt controller */
199     for (n = 0; n <= SEPARATE_DMA_IRQ_MAX; n++) {
200         sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->dma), n,
201                            qdev_get_gpio_in_named(DEVICE(&s_base->ic),
202                                                   BCM2835_IC_GPU_IRQ,
203                                                   INTERRUPT_DMA0 + n));
204     }
205 
206     if (!qdev_realize(DEVICE(&s_base->orgated_dma_irq), NULL, errp)) {
207         return;
208     }
209     for (n = 0; n < ORGATED_DMA_IRQ_COUNT; n++) {
210         sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->dma),
211                            SEPARATE_DMA_IRQ_MAX + 1 + n,
212                            qdev_get_gpio_in(DEVICE(&s_base->orgated_dma_irq), n));
213     }
214     qdev_connect_gpio_out(DEVICE(&s_base->orgated_dma_irq), 0,
215                           qdev_get_gpio_in_named(DEVICE(&s_base->ic),
216                               BCM2835_IC_GPU_IRQ,
217                               INTERRUPT_DMA0 + SEPARATE_DMA_IRQ_MAX + 1));
218 
219     /* Random Number Generator */
220     if (!sysbus_realize(SYS_BUS_DEVICE(&s->rng), errp)) {
221         return;
222     }
223     memory_region_add_subregion(
224         &s_base->peri_mr, RNG_OFFSET,
225         sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->rng), 0));
226 
227     /* THERMAL */
228     if (!sysbus_realize(SYS_BUS_DEVICE(&s->thermal), errp)) {
229         return;
230     }
231     memory_region_add_subregion(&s_base->peri_mr, THERMAL_OFFSET,
232                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->thermal), 0));
233 
234     /* Map MPHI to the peripherals memory map */
235     mphi_mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s_base->mphi), 0);
236     memory_region_add_subregion(&s_base->peri_mr, MPHI_OFFSET, mphi_mr);
237 
238     /* GPIO */
239     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio), errp)) {
240         return;
241     }
242     memory_region_add_subregion(
243         &s_base->peri_mr, GPIO_OFFSET,
244         sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->gpio), 0));
245 
246     object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->gpio), "sd-bus");
247 }
248 
249 void bcm_soc_peripherals_common_realize(DeviceState *dev, Error **errp)
250 {
251     BCMSocPeripheralBaseState *s = BCM_SOC_PERIPHERALS_BASE(dev);
252     Object *obj;
253     MemoryRegion *ram;
254     Error *err = NULL;
255     uint64_t ram_size, vcram_size, vcram_base;
256     int n;
257 
258     obj = object_property_get_link(OBJECT(dev), "ram", &error_abort);
259 
260     ram = MEMORY_REGION(obj);
261     ram_size = memory_region_size(ram);
262 
263     /* Map peripherals and RAM into the GPU address space. */
264     memory_region_init_alias(&s->peri_mr_alias, OBJECT(s),
265                              "bcm2835-peripherals", &s->peri_mr, 0,
266                              memory_region_size(&s->peri_mr));
267 
268     memory_region_add_subregion_overlap(&s->gpu_bus_mr, BCM2835_VC_PERI_BASE,
269                                         &s->peri_mr_alias, 1);
270 
271     /* RAM is aliased four times (different cache configurations) on the GPU */
272     for (n = 0; n < 4; n++) {
273         memory_region_init_alias(&s->ram_alias[n], OBJECT(s),
274                                  "bcm2835-gpu-ram-alias[*]", ram, 0, ram_size);
275         memory_region_add_subregion_overlap(&s->gpu_bus_mr, (hwaddr)n << 30,
276                                             &s->ram_alias[n], 0);
277     }
278 
279     /* Interrupt Controller */
280     if (!sysbus_realize(SYS_BUS_DEVICE(&s->ic), errp)) {
281         return;
282     }
283 
284     /* CPRMAN clock manager */
285     if (!sysbus_realize(SYS_BUS_DEVICE(&s->cprman), errp)) {
286         return;
287     }
288     memory_region_add_subregion(&s->peri_mr, CPRMAN_OFFSET,
289                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->cprman), 0));
290     qdev_connect_clock_in(DEVICE(&s->uart0), "clk",
291                           qdev_get_clock_out(DEVICE(&s->cprman), "uart-out"));
292 
293     memory_region_add_subregion(&s->peri_mr, ARMCTRL_IC_OFFSET,
294                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->ic), 0));
295     sysbus_pass_irq(SYS_BUS_DEVICE(s), SYS_BUS_DEVICE(&s->ic));
296 
297     /* Sys Timer */
298     if (!sysbus_realize(SYS_BUS_DEVICE(&s->systmr), errp)) {
299         return;
300     }
301     memory_region_add_subregion(&s->peri_mr, ST_OFFSET,
302                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->systmr), 0));
303     sysbus_connect_irq(SYS_BUS_DEVICE(&s->systmr), 0,
304         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
305                                INTERRUPT_TIMER0));
306     sysbus_connect_irq(SYS_BUS_DEVICE(&s->systmr), 1,
307         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
308                                INTERRUPT_TIMER1));
309     sysbus_connect_irq(SYS_BUS_DEVICE(&s->systmr), 2,
310         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
311                                INTERRUPT_TIMER2));
312     sysbus_connect_irq(SYS_BUS_DEVICE(&s->systmr), 3,
313         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
314                                INTERRUPT_TIMER3));
315 
316     /* UART0 */
317     qdev_prop_set_chr(DEVICE(&s->uart0), "chardev", serial_hd(0));
318     if (!sysbus_realize(SYS_BUS_DEVICE(&s->uart0), errp)) {
319         return;
320     }
321 
322     memory_region_add_subregion(&s->peri_mr, UART0_OFFSET,
323                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->uart0), 0));
324     sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart0), 0,
325         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
326                                INTERRUPT_UART0));
327 
328     /* AUX / UART1 */
329     qdev_prop_set_chr(DEVICE(&s->aux), "chardev", serial_hd(1));
330 
331     if (!sysbus_realize(SYS_BUS_DEVICE(&s->aux), errp)) {
332         return;
333     }
334 
335     memory_region_add_subregion(&s->peri_mr, AUX_OFFSET,
336                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->aux), 0));
337     sysbus_connect_irq(SYS_BUS_DEVICE(&s->aux), 0,
338         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
339                                INTERRUPT_AUX));
340 
341     /* Mailboxes */
342     if (!sysbus_realize(SYS_BUS_DEVICE(&s->mboxes), errp)) {
343         return;
344     }
345 
346     memory_region_add_subregion(&s->peri_mr, ARMCTRL_0_SBM_OFFSET,
347                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->mboxes), 0));
348     sysbus_connect_irq(SYS_BUS_DEVICE(&s->mboxes), 0,
349         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_ARM_IRQ,
350                                INTERRUPT_ARM_MAILBOX));
351 
352     /* Framebuffer */
353     vcram_size = object_property_get_uint(OBJECT(s), "vcram-size", &err);
354     if (err) {
355         error_propagate(errp, err);
356         return;
357     }
358 
359     vcram_base = object_property_get_uint(OBJECT(s), "vcram-base", &err);
360     if (err) {
361         error_propagate(errp, err);
362         return;
363     }
364 
365     if (vcram_base == 0) {
366         vcram_base = ram_size - vcram_size;
367     }
368     vcram_base = MIN(vcram_base, UPPER_RAM_BASE - vcram_size);
369 
370     if (!object_property_set_uint(OBJECT(&s->fb), "vcram-base", vcram_base,
371                                   errp)) {
372         return;
373     }
374     if (!sysbus_realize(SYS_BUS_DEVICE(&s->fb), errp)) {
375         return;
376     }
377 
378     memory_region_add_subregion(&s->mbox_mr, MBOX_CHAN_FB << MBOX_AS_CHAN_SHIFT,
379                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->fb), 0));
380     sysbus_connect_irq(SYS_BUS_DEVICE(&s->fb), 0,
381                        qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_FB));
382 
383     /* OTP */
384     if (!sysbus_realize(SYS_BUS_DEVICE(&s->otp), errp)) {
385         return;
386     }
387 
388     memory_region_add_subregion(&s->peri_mr, OTP_OFFSET,
389                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->otp), 0));
390 
391     /* Property channel */
392     if (!sysbus_realize(SYS_BUS_DEVICE(&s->property), errp)) {
393         return;
394     }
395 
396     memory_region_add_subregion(&s->mbox_mr,
397                 MBOX_CHAN_PROPERTY << MBOX_AS_CHAN_SHIFT,
398                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->property), 0));
399     sysbus_connect_irq(SYS_BUS_DEVICE(&s->property), 0,
400                       qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_PROPERTY));
401 
402     /* Extended Mass Media Controller
403      *
404      * Compatible with:
405      * - SD Host Controller Specification Version 3.0 Draft 1.0
406      * - SDIO Specification Version 3.0
407      * - MMC Specification Version 4.4
408      *
409      * For the exact details please refer to the Arasan documentation:
410      *   SD3.0_Host_AHB_eMMC4.4_Usersguide_ver5.9_jan11_10.pdf
411      */
412     object_property_set_uint(OBJECT(&s->sdhci), "sd-spec-version", 3,
413                              &error_abort);
414     object_property_set_uint(OBJECT(&s->sdhci), "capareg",
415                              BCM2835_SDHC_CAPAREG, &error_abort);
416     object_property_set_bool(OBJECT(&s->sdhci), "pending-insert-quirk", true,
417                              &error_abort);
418     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdhci), errp)) {
419         return;
420     }
421 
422     memory_region_add_subregion(&s->peri_mr, EMMC1_OFFSET,
423                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhci), 0));
424 
425     /* SDHOST */
426     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdhost), errp)) {
427         return;
428     }
429 
430     memory_region_add_subregion(&s->peri_mr, MMCI0_OFFSET,
431                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhost), 0));
432     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhost), 0,
433         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
434                                INTERRUPT_SDIO));
435 
436     /* DMA Channels */
437     if (!sysbus_realize(SYS_BUS_DEVICE(&s->dma), errp)) {
438         return;
439     }
440 
441     memory_region_add_subregion(&s->peri_mr, DMA_OFFSET,
442                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 0));
443     memory_region_add_subregion(&s->peri_mr, DMA15_OFFSET,
444                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 1));
445 
446     /* Mphi */
447     if (!sysbus_realize(SYS_BUS_DEVICE(&s->mphi), errp)) {
448         return;
449     }
450 
451     sysbus_connect_irq(SYS_BUS_DEVICE(&s->mphi), 0,
452         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
453                                INTERRUPT_HOSTPORT));
454 
455     /* DWC2 */
456     if (!sysbus_realize(SYS_BUS_DEVICE(&s->dwc2), errp)) {
457         return;
458     }
459 
460     memory_region_add_subregion(&s->peri_mr, USB_OTG_OFFSET,
461                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dwc2), 0));
462     sysbus_connect_irq(SYS_BUS_DEVICE(&s->dwc2), 0,
463         qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
464                                INTERRUPT_USB));
465 
466     /* Power Management */
467     if (!sysbus_realize(SYS_BUS_DEVICE(&s->powermgt), errp)) {
468         return;
469     }
470 
471     memory_region_add_subregion(&s->peri_mr, PM_OFFSET,
472                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->powermgt), 0));
473 
474     /* SPI */
475     if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[0]), errp)) {
476         return;
477     }
478 
479     memory_region_add_subregion(&s->peri_mr, SPI0_OFFSET,
480                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->spi[0]), 0));
481     sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi[0]), 0,
482                        qdev_get_gpio_in_named(DEVICE(&s->ic),
483                                               BCM2835_IC_GPU_IRQ,
484                                               INTERRUPT_SPI));
485 
486     /* I2C */
487     for (n = 0; n < 3; n++) {
488         if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c[n]), errp)) {
489             return;
490         }
491     }
492 
493     memory_region_add_subregion(&s->peri_mr, BSC0_OFFSET,
494             sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->i2c[0]), 0));
495     memory_region_add_subregion(&s->peri_mr, BSC1_OFFSET,
496             sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->i2c[1]), 0));
497     memory_region_add_subregion(&s->peri_mr, BSC2_OFFSET,
498             sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->i2c[2]), 0));
499 
500     if (!qdev_realize(DEVICE(&s->orgated_i2c_irq), NULL, errp)) {
501         return;
502     }
503     for (n = 0; n < ORGATED_I2C_IRQ_COUNT; n++) {
504         sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[n]), 0,
505                            qdev_get_gpio_in(DEVICE(&s->orgated_i2c_irq), n));
506     }
507     qdev_connect_gpio_out(DEVICE(&s->orgated_i2c_irq), 0,
508                           qdev_get_gpio_in_named(DEVICE(&s->ic),
509                                                  BCM2835_IC_GPU_IRQ,
510                                                  INTERRUPT_I2C));
511 
512     create_unimp(s, &s->txp, "bcm2835-txp", TXP_OFFSET, 0x1000);
513     create_unimp(s, &s->armtmr, "bcm2835-sp804", ARMCTRL_TIMER0_1_OFFSET, 0x40);
514     create_unimp(s, &s->i2s, "bcm2835-i2s", I2S_OFFSET, 0x100);
515     create_unimp(s, &s->smi, "bcm2835-smi", SMI_OFFSET, 0x100);
516     create_unimp(s, &s->bscsl, "bcm2835-spis", BSC_SL_OFFSET, 0x100);
517     create_unimp(s, &s->dbus, "bcm2835-dbus", DBUS_OFFSET, 0x8000);
518     create_unimp(s, &s->ave0, "bcm2835-ave0", AVE0_OFFSET, 0x8000);
519     create_unimp(s, &s->v3d, "bcm2835-v3d", V3D_OFFSET, 0x1000);
520     create_unimp(s, &s->sdramc, "bcm2835-sdramc", SDRAMC_OFFSET, 0x100);
521 }
522 
523 static void bcm2835_peripherals_class_init(ObjectClass *oc, void *data)
524 {
525     DeviceClass *dc = DEVICE_CLASS(oc);
526     BCMSocPeripheralBaseClass *bc = BCM_SOC_PERIPHERALS_BASE_CLASS(oc);
527 
528     bc->peri_size = 0x1000000;
529     dc->realize = bcm2835_peripherals_realize;
530 }
531 
532 static const TypeInfo bcm2835_peripherals_types[] = {
533     {
534         .name = TYPE_BCM2835_PERIPHERALS,
535         .parent = TYPE_BCM_SOC_PERIPHERALS_BASE,
536         .instance_size = sizeof(BCM2835PeripheralState),
537         .instance_init = bcm2835_peripherals_init,
538         .class_init = bcm2835_peripherals_class_init,
539     }, {
540         .name = TYPE_BCM_SOC_PERIPHERALS_BASE,
541         .parent = TYPE_SYS_BUS_DEVICE,
542         .instance_size = sizeof(BCMSocPeripheralBaseState),
543         .instance_init = raspi_peripherals_base_init,
544         .class_size = sizeof(BCMSocPeripheralBaseClass),
545         .abstract = true,
546     }
547 };
548 
549 DEFINE_TYPES(bcm2835_peripherals_types)
550