arm/{bcm2835,fsl-imx25,fsl-imx6}: Fix realize error API violations
[qemu.git] / hw / arm / bcm2835_peripherals.c
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 static void create_unimp(BCM2835PeripheralState *ps,
27 UnimplementedDeviceState *uds,
28 const char *name, hwaddr ofs, hwaddr size)
29 {
30 object_initialize_child(OBJECT(ps), name, uds, TYPE_UNIMPLEMENTED_DEVICE);
31 qdev_prop_set_string(DEVICE(uds), "name", name);
32 qdev_prop_set_uint64(DEVICE(uds), "size", size);
33 sysbus_realize(SYS_BUS_DEVICE(uds), &error_fatal);
34 memory_region_add_subregion_overlap(&ps->peri_mr, ofs,
35 sysbus_mmio_get_region(SYS_BUS_DEVICE(uds), 0), -1000);
36 }
37
38 static void bcm2835_peripherals_init(Object *obj)
39 {
40 BCM2835PeripheralState *s = BCM2835_PERIPHERALS(obj);
41
42 /* Memory region for peripheral devices, which we export to our parent */
43 memory_region_init(&s->peri_mr, obj,"bcm2835-peripherals", 0x1000000);
44 sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->peri_mr);
45
46 /* Internal memory region for peripheral bus addresses (not exported) */
47 memory_region_init(&s->gpu_bus_mr, obj, "bcm2835-gpu", (uint64_t)1 << 32);
48
49 /* Internal memory region for request/response communication with
50 * mailbox-addressable peripherals (not exported)
51 */
52 memory_region_init(&s->mbox_mr, obj, "bcm2835-mbox",
53 MBOX_CHAN_COUNT << MBOX_AS_CHAN_SHIFT);
54
55 /* Interrupt Controller */
56 object_initialize_child(obj, "ic", &s->ic, TYPE_BCM2835_IC);
57
58 /* SYS Timer */
59 object_initialize_child(obj, "systimer", &s->systmr,
60 TYPE_BCM2835_SYSTIMER);
61
62 /* UART0 */
63 object_initialize_child(obj, "uart0", &s->uart0, TYPE_PL011);
64
65 /* AUX / UART1 */
66 object_initialize_child(obj, "aux", &s->aux, TYPE_BCM2835_AUX);
67
68 /* Mailboxes */
69 object_initialize_child(obj, "mbox", &s->mboxes, TYPE_BCM2835_MBOX);
70
71 object_property_add_const_link(OBJECT(&s->mboxes), "mbox-mr",
72 OBJECT(&s->mbox_mr));
73
74 /* Framebuffer */
75 object_initialize_child(obj, "fb", &s->fb, TYPE_BCM2835_FB);
76 object_property_add_alias(obj, "vcram-size", OBJECT(&s->fb), "vcram-size");
77
78 object_property_add_const_link(OBJECT(&s->fb), "dma-mr",
79 OBJECT(&s->gpu_bus_mr));
80
81 /* Property channel */
82 object_initialize_child(obj, "property", &s->property,
83 TYPE_BCM2835_PROPERTY);
84 object_property_add_alias(obj, "board-rev", OBJECT(&s->property),
85 "board-rev");
86
87 object_property_add_const_link(OBJECT(&s->property), "fb",
88 OBJECT(&s->fb));
89 object_property_add_const_link(OBJECT(&s->property), "dma-mr",
90 OBJECT(&s->gpu_bus_mr));
91
92 /* Random Number Generator */
93 object_initialize_child(obj, "rng", &s->rng, TYPE_BCM2835_RNG);
94
95 /* Extended Mass Media Controller */
96 object_initialize_child(obj, "sdhci", &s->sdhci, TYPE_SYSBUS_SDHCI);
97
98 /* SDHOST */
99 object_initialize_child(obj, "sdhost", &s->sdhost, TYPE_BCM2835_SDHOST);
100
101 /* DMA Channels */
102 object_initialize_child(obj, "dma", &s->dma, TYPE_BCM2835_DMA);
103
104 object_property_add_const_link(OBJECT(&s->dma), "dma-mr",
105 OBJECT(&s->gpu_bus_mr));
106
107 /* Thermal */
108 object_initialize_child(obj, "thermal", &s->thermal, TYPE_BCM2835_THERMAL);
109
110 /* GPIO */
111 object_initialize_child(obj, "gpio", &s->gpio, TYPE_BCM2835_GPIO);
112
113 object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhci",
114 OBJECT(&s->sdhci.sdbus));
115 object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhost",
116 OBJECT(&s->sdhost.sdbus));
117
118 /* Mphi */
119 object_initialize_child(obj, "mphi", &s->mphi, TYPE_BCM2835_MPHI);
120
121 /* DWC2 */
122 object_initialize_child(obj, "dwc2", &s->dwc2, TYPE_DWC2_USB);
123
124 object_property_add_const_link(OBJECT(&s->dwc2), "dma-mr",
125 OBJECT(&s->gpu_bus_mr));
126 }
127
128 static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp)
129 {
130 BCM2835PeripheralState *s = BCM2835_PERIPHERALS(dev);
131 Object *obj;
132 MemoryRegion *ram;
133 Error *err = NULL;
134 uint64_t ram_size, vcram_size;
135 int n;
136
137 obj = object_property_get_link(OBJECT(dev), "ram", &err);
138 if (obj == NULL) {
139 error_setg(errp, "%s: required ram link not found: %s",
140 __func__, error_get_pretty(err));
141 return;
142 }
143
144 ram = MEMORY_REGION(obj);
145 ram_size = memory_region_size(ram);
146
147 /* Map peripherals and RAM into the GPU address space. */
148 memory_region_init_alias(&s->peri_mr_alias, OBJECT(s),
149 "bcm2835-peripherals", &s->peri_mr, 0,
150 memory_region_size(&s->peri_mr));
151
152 memory_region_add_subregion_overlap(&s->gpu_bus_mr, BCM2835_VC_PERI_BASE,
153 &s->peri_mr_alias, 1);
154
155 /* RAM is aliased four times (different cache configurations) on the GPU */
156 for (n = 0; n < 4; n++) {
157 memory_region_init_alias(&s->ram_alias[n], OBJECT(s),
158 "bcm2835-gpu-ram-alias[*]", ram, 0, ram_size);
159 memory_region_add_subregion_overlap(&s->gpu_bus_mr, (hwaddr)n << 30,
160 &s->ram_alias[n], 0);
161 }
162
163 /* Interrupt Controller */
164 sysbus_realize(SYS_BUS_DEVICE(&s->ic), &err);
165 if (err) {
166 error_propagate(errp, err);
167 return;
168 }
169
170 memory_region_add_subregion(&s->peri_mr, ARMCTRL_IC_OFFSET,
171 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->ic), 0));
172 sysbus_pass_irq(SYS_BUS_DEVICE(s), SYS_BUS_DEVICE(&s->ic));
173
174 /* Sys Timer */
175 sysbus_realize(SYS_BUS_DEVICE(&s->systmr), &err);
176 if (err) {
177 error_propagate(errp, err);
178 return;
179 }
180 memory_region_add_subregion(&s->peri_mr, ST_OFFSET,
181 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->systmr), 0));
182 sysbus_connect_irq(SYS_BUS_DEVICE(&s->systmr), 0,
183 qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_ARM_IRQ,
184 INTERRUPT_ARM_TIMER));
185
186 /* UART0 */
187 qdev_prop_set_chr(DEVICE(&s->uart0), "chardev", serial_hd(0));
188 sysbus_realize(SYS_BUS_DEVICE(&s->uart0), &err);
189 if (err) {
190 error_propagate(errp, err);
191 return;
192 }
193
194 memory_region_add_subregion(&s->peri_mr, UART0_OFFSET,
195 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->uart0), 0));
196 sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart0), 0,
197 qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
198 INTERRUPT_UART0));
199
200 /* AUX / UART1 */
201 qdev_prop_set_chr(DEVICE(&s->aux), "chardev", serial_hd(1));
202
203 sysbus_realize(SYS_BUS_DEVICE(&s->aux), &err);
204 if (err) {
205 error_propagate(errp, err);
206 return;
207 }
208
209 memory_region_add_subregion(&s->peri_mr, AUX_OFFSET,
210 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->aux), 0));
211 sysbus_connect_irq(SYS_BUS_DEVICE(&s->aux), 0,
212 qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
213 INTERRUPT_AUX));
214
215 /* Mailboxes */
216 sysbus_realize(SYS_BUS_DEVICE(&s->mboxes), &err);
217 if (err) {
218 error_propagate(errp, err);
219 return;
220 }
221
222 memory_region_add_subregion(&s->peri_mr, ARMCTRL_0_SBM_OFFSET,
223 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->mboxes), 0));
224 sysbus_connect_irq(SYS_BUS_DEVICE(&s->mboxes), 0,
225 qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_ARM_IRQ,
226 INTERRUPT_ARM_MAILBOX));
227
228 /* Framebuffer */
229 vcram_size = object_property_get_uint(OBJECT(s), "vcram-size", &err);
230 if (err) {
231 error_propagate(errp, err);
232 return;
233 }
234
235 object_property_set_uint(OBJECT(&s->fb), ram_size - vcram_size,
236 "vcram-base", &err);
237 if (err) {
238 error_propagate(errp, err);
239 return;
240 }
241
242 sysbus_realize(SYS_BUS_DEVICE(&s->fb), &err);
243 if (err) {
244 error_propagate(errp, err);
245 return;
246 }
247
248 memory_region_add_subregion(&s->mbox_mr, MBOX_CHAN_FB << MBOX_AS_CHAN_SHIFT,
249 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->fb), 0));
250 sysbus_connect_irq(SYS_BUS_DEVICE(&s->fb), 0,
251 qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_FB));
252
253 /* Property channel */
254 sysbus_realize(SYS_BUS_DEVICE(&s->property), &err);
255 if (err) {
256 error_propagate(errp, err);
257 return;
258 }
259
260 memory_region_add_subregion(&s->mbox_mr,
261 MBOX_CHAN_PROPERTY << MBOX_AS_CHAN_SHIFT,
262 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->property), 0));
263 sysbus_connect_irq(SYS_BUS_DEVICE(&s->property), 0,
264 qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_PROPERTY));
265
266 /* Random Number Generator */
267 sysbus_realize(SYS_BUS_DEVICE(&s->rng), &err);
268 if (err) {
269 error_propagate(errp, err);
270 return;
271 }
272
273 memory_region_add_subregion(&s->peri_mr, RNG_OFFSET,
274 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->rng), 0));
275
276 /* Extended Mass Media Controller
277 *
278 * Compatible with:
279 * - SD Host Controller Specification Version 3.0 Draft 1.0
280 * - SDIO Specification Version 3.0
281 * - MMC Specification Version 4.4
282 *
283 * For the exact details please refer to the Arasan documentation:
284 * SD3.0_Host_AHB_eMMC4.4_Usersguide_ver5.9_jan11_10.pdf
285 */
286 object_property_set_uint(OBJECT(&s->sdhci), 3, "sd-spec-version",
287 &error_abort);
288 object_property_set_uint(OBJECT(&s->sdhci), BCM2835_SDHC_CAPAREG, "capareg",
289 &error_abort);
290 object_property_set_bool(OBJECT(&s->sdhci), true, "pending-insert-quirk",
291 &error_abort);
292 sysbus_realize(SYS_BUS_DEVICE(&s->sdhci), &err);
293 if (err) {
294 error_propagate(errp, err);
295 return;
296 }
297
298 memory_region_add_subregion(&s->peri_mr, EMMC1_OFFSET,
299 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhci), 0));
300 sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0,
301 qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
302 INTERRUPT_ARASANSDIO));
303
304 /* SDHOST */
305 sysbus_realize(SYS_BUS_DEVICE(&s->sdhost), &err);
306 if (err) {
307 error_propagate(errp, err);
308 return;
309 }
310
311 memory_region_add_subregion(&s->peri_mr, MMCI0_OFFSET,
312 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhost), 0));
313 sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhost), 0,
314 qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
315 INTERRUPT_SDIO));
316
317 /* DMA Channels */
318 sysbus_realize(SYS_BUS_DEVICE(&s->dma), &err);
319 if (err) {
320 error_propagate(errp, err);
321 return;
322 }
323
324 memory_region_add_subregion(&s->peri_mr, DMA_OFFSET,
325 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 0));
326 memory_region_add_subregion(&s->peri_mr, DMA15_OFFSET,
327 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 1));
328
329 for (n = 0; n <= 12; n++) {
330 sysbus_connect_irq(SYS_BUS_DEVICE(&s->dma), n,
331 qdev_get_gpio_in_named(DEVICE(&s->ic),
332 BCM2835_IC_GPU_IRQ,
333 INTERRUPT_DMA0 + n));
334 }
335
336 /* THERMAL */
337 sysbus_realize(SYS_BUS_DEVICE(&s->thermal), &err);
338 if (err) {
339 error_propagate(errp, err);
340 return;
341 }
342 memory_region_add_subregion(&s->peri_mr, THERMAL_OFFSET,
343 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->thermal), 0));
344
345 /* GPIO */
346 sysbus_realize(SYS_BUS_DEVICE(&s->gpio), &err);
347 if (err) {
348 error_propagate(errp, err);
349 return;
350 }
351
352 memory_region_add_subregion(&s->peri_mr, GPIO_OFFSET,
353 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->gpio), 0));
354
355 object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->gpio), "sd-bus");
356
357 /* Mphi */
358 sysbus_realize(SYS_BUS_DEVICE(&s->mphi), &err);
359 if (err) {
360 error_propagate(errp, err);
361 return;
362 }
363
364 memory_region_add_subregion(&s->peri_mr, MPHI_OFFSET,
365 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->mphi), 0));
366 sysbus_connect_irq(SYS_BUS_DEVICE(&s->mphi), 0,
367 qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
368 INTERRUPT_HOSTPORT));
369
370 /* DWC2 */
371 sysbus_realize(SYS_BUS_DEVICE(&s->dwc2), &err);
372 if (err) {
373 error_propagate(errp, err);
374 return;
375 }
376
377 memory_region_add_subregion(&s->peri_mr, USB_OTG_OFFSET,
378 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dwc2), 0));
379 sysbus_connect_irq(SYS_BUS_DEVICE(&s->dwc2), 0,
380 qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
381 INTERRUPT_USB));
382
383 create_unimp(s, &s->armtmr, "bcm2835-sp804", ARMCTRL_TIMER0_1_OFFSET, 0x40);
384 create_unimp(s, &s->cprman, "bcm2835-cprman", CPRMAN_OFFSET, 0x1000);
385 create_unimp(s, &s->a2w, "bcm2835-a2w", A2W_OFFSET, 0x1000);
386 create_unimp(s, &s->i2s, "bcm2835-i2s", I2S_OFFSET, 0x100);
387 create_unimp(s, &s->smi, "bcm2835-smi", SMI_OFFSET, 0x100);
388 create_unimp(s, &s->spi[0], "bcm2835-spi0", SPI0_OFFSET, 0x20);
389 create_unimp(s, &s->bscsl, "bcm2835-spis", BSC_SL_OFFSET, 0x100);
390 create_unimp(s, &s->i2c[0], "bcm2835-i2c0", BSC0_OFFSET, 0x20);
391 create_unimp(s, &s->i2c[1], "bcm2835-i2c1", BSC1_OFFSET, 0x20);
392 create_unimp(s, &s->i2c[2], "bcm2835-i2c2", BSC2_OFFSET, 0x20);
393 create_unimp(s, &s->otp, "bcm2835-otp", OTP_OFFSET, 0x80);
394 create_unimp(s, &s->dbus, "bcm2835-dbus", DBUS_OFFSET, 0x8000);
395 create_unimp(s, &s->ave0, "bcm2835-ave0", AVE0_OFFSET, 0x8000);
396 create_unimp(s, &s->sdramc, "bcm2835-sdramc", SDRAMC_OFFSET, 0x100);
397 }
398
399 static void bcm2835_peripherals_class_init(ObjectClass *oc, void *data)
400 {
401 DeviceClass *dc = DEVICE_CLASS(oc);
402
403 dc->realize = bcm2835_peripherals_realize;
404 }
405
406 static const TypeInfo bcm2835_peripherals_type_info = {
407 .name = TYPE_BCM2835_PERIPHERALS,
408 .parent = TYPE_SYS_BUS_DEVICE,
409 .instance_size = sizeof(BCM2835PeripheralState),
410 .instance_init = bcm2835_peripherals_init,
411 .class_init = bcm2835_peripherals_class_init,
412 };
413
414 static void bcm2835_peripherals_register_types(void)
415 {
416 type_register_static(&bcm2835_peripherals_type_info);
417 }
418
419 type_init(bcm2835_peripherals_register_types)