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11#include "qemu/osdep.h"
12#include "qapi/error.h"
13#include "qemu/module.h"
14#include "hw/arm/bcm2835_peripherals.h"
15#include "hw/misc/bcm2835_mbox_defs.h"
16#include "hw/arm/raspi_platform.h"
17#include "sysemu/sysemu.h"
18
19
20#define BCM2835_VC_PERI_BASE 0x7e000000
21
22
23#define BCM2835_SDHC_CAPAREG 0x52134b4
24
25static void bcm2835_peripherals_init(Object *obj)
26{
27 BCM2835PeripheralState *s = BCM2835_PERIPHERALS(obj);
28
29
30 memory_region_init(&s->peri_mr, obj,"bcm2835-peripherals", 0x1000000);
31 object_property_add_child(obj, "peripheral-io", OBJECT(&s->peri_mr), NULL);
32 sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->peri_mr);
33
34
35 memory_region_init(&s->gpu_bus_mr, obj, "bcm2835-gpu", (uint64_t)1 << 32);
36 object_property_add_child(obj, "gpu-bus", OBJECT(&s->gpu_bus_mr), NULL);
37
38
39
40
41 memory_region_init(&s->mbox_mr, obj, "bcm2835-mbox",
42 MBOX_CHAN_COUNT << MBOX_AS_CHAN_SHIFT);
43
44
45 sysbus_init_child_obj(obj, "ic", &s->ic, sizeof(s->ic), TYPE_BCM2835_IC);
46
47
48 sysbus_init_child_obj(obj, "uart0", &s->uart0, sizeof(s->uart0),
49 TYPE_PL011);
50
51
52 sysbus_init_child_obj(obj, "aux", &s->aux, sizeof(s->aux),
53 TYPE_BCM2835_AUX);
54
55
56 sysbus_init_child_obj(obj, "mbox", &s->mboxes, sizeof(s->mboxes),
57 TYPE_BCM2835_MBOX);
58
59 object_property_add_const_link(OBJECT(&s->mboxes), "mbox-mr",
60 OBJECT(&s->mbox_mr), &error_abort);
61
62
63 sysbus_init_child_obj(obj, "fb", &s->fb, sizeof(s->fb), TYPE_BCM2835_FB);
64 object_property_add_alias(obj, "vcram-size", OBJECT(&s->fb), "vcram-size",
65 &error_abort);
66
67 object_property_add_const_link(OBJECT(&s->fb), "dma-mr",
68 OBJECT(&s->gpu_bus_mr), &error_abort);
69
70
71 sysbus_init_child_obj(obj, "property", &s->property, sizeof(s->property),
72 TYPE_BCM2835_PROPERTY);
73 object_property_add_alias(obj, "board-rev", OBJECT(&s->property),
74 "board-rev", &error_abort);
75
76 object_property_add_const_link(OBJECT(&s->property), "fb",
77 OBJECT(&s->fb), &error_abort);
78 object_property_add_const_link(OBJECT(&s->property), "dma-mr",
79 OBJECT(&s->gpu_bus_mr), &error_abort);
80
81
82 sysbus_init_child_obj(obj, "rng", &s->rng, sizeof(s->rng),
83 TYPE_BCM2835_RNG);
84
85
86 sysbus_init_child_obj(obj, "sdhci", &s->sdhci, sizeof(s->sdhci),
87 TYPE_SYSBUS_SDHCI);
88
89
90 sysbus_init_child_obj(obj, "sdhost", &s->sdhost, sizeof(s->sdhost),
91 TYPE_BCM2835_SDHOST);
92
93
94 sysbus_init_child_obj(obj, "dma", &s->dma, sizeof(s->dma),
95 TYPE_BCM2835_DMA);
96
97 object_property_add_const_link(OBJECT(&s->dma), "dma-mr",
98 OBJECT(&s->gpu_bus_mr), &error_abort);
99
100
101 sysbus_init_child_obj(obj, "gpio", &s->gpio, sizeof(s->gpio),
102 TYPE_BCM2835_GPIO);
103
104 object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhci",
105 OBJECT(&s->sdhci.sdbus), &error_abort);
106 object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhost",
107 OBJECT(&s->sdhost.sdbus), &error_abort);
108}
109
110static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp)
111{
112 BCM2835PeripheralState *s = BCM2835_PERIPHERALS(dev);
113 Object *obj;
114 MemoryRegion *ram;
115 Error *err = NULL;
116 uint64_t ram_size, vcram_size;
117 int n;
118
119 obj = object_property_get_link(OBJECT(dev), "ram", &err);
120 if (obj == NULL) {
121 error_setg(errp, "%s: required ram link not found: %s",
122 __func__, error_get_pretty(err));
123 return;
124 }
125
126 ram = MEMORY_REGION(obj);
127 ram_size = memory_region_size(ram);
128
129
130 memory_region_init_alias(&s->peri_mr_alias, OBJECT(s),
131 "bcm2835-peripherals", &s->peri_mr, 0,
132 memory_region_size(&s->peri_mr));
133
134 memory_region_add_subregion_overlap(&s->gpu_bus_mr, BCM2835_VC_PERI_BASE,
135 &s->peri_mr_alias, 1);
136
137
138 for (n = 0; n < 4; n++) {
139 memory_region_init_alias(&s->ram_alias[n], OBJECT(s),
140 "bcm2835-gpu-ram-alias[*]", ram, 0, ram_size);
141 memory_region_add_subregion_overlap(&s->gpu_bus_mr, (hwaddr)n << 30,
142 &s->ram_alias[n], 0);
143 }
144
145
146 object_property_set_bool(OBJECT(&s->ic), true, "realized", &err);
147 if (err) {
148 error_propagate(errp, err);
149 return;
150 }
151
152 memory_region_add_subregion(&s->peri_mr, ARMCTRL_IC_OFFSET,
153 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->ic), 0));
154 sysbus_pass_irq(SYS_BUS_DEVICE(s), SYS_BUS_DEVICE(&s->ic));
155
156
157 qdev_prop_set_chr(DEVICE(&s->uart0), "chardev", serial_hd(0));
158 object_property_set_bool(OBJECT(&s->uart0), true, "realized", &err);
159 if (err) {
160 error_propagate(errp, err);
161 return;
162 }
163
164 memory_region_add_subregion(&s->peri_mr, UART0_OFFSET,
165 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->uart0), 0));
166 sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart0), 0,
167 qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
168 INTERRUPT_UART));
169
170 qdev_prop_set_chr(DEVICE(&s->aux), "chardev", serial_hd(1));
171
172 object_property_set_bool(OBJECT(&s->aux), true, "realized", &err);
173 if (err) {
174 error_propagate(errp, err);
175 return;
176 }
177
178 memory_region_add_subregion(&s->peri_mr, UART1_OFFSET,
179 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->aux), 0));
180 sysbus_connect_irq(SYS_BUS_DEVICE(&s->aux), 0,
181 qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
182 INTERRUPT_AUX));
183
184
185 object_property_set_bool(OBJECT(&s->mboxes), true, "realized", &err);
186 if (err) {
187 error_propagate(errp, err);
188 return;
189 }
190
191 memory_region_add_subregion(&s->peri_mr, ARMCTRL_0_SBM_OFFSET,
192 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->mboxes), 0));
193 sysbus_connect_irq(SYS_BUS_DEVICE(&s->mboxes), 0,
194 qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_ARM_IRQ,
195 INTERRUPT_ARM_MAILBOX));
196
197
198 vcram_size = object_property_get_uint(OBJECT(s), "vcram-size", &err);
199 if (err) {
200 error_propagate(errp, err);
201 return;
202 }
203
204 object_property_set_uint(OBJECT(&s->fb), ram_size - vcram_size,
205 "vcram-base", &err);
206 if (err) {
207 error_propagate(errp, err);
208 return;
209 }
210
211 object_property_set_bool(OBJECT(&s->fb), true, "realized", &err);
212 if (err) {
213 error_propagate(errp, err);
214 return;
215 }
216
217 memory_region_add_subregion(&s->mbox_mr, MBOX_CHAN_FB << MBOX_AS_CHAN_SHIFT,
218 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->fb), 0));
219 sysbus_connect_irq(SYS_BUS_DEVICE(&s->fb), 0,
220 qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_FB));
221
222
223 object_property_set_bool(OBJECT(&s->property), true, "realized", &err);
224 if (err) {
225 error_propagate(errp, err);
226 return;
227 }
228
229 memory_region_add_subregion(&s->mbox_mr,
230 MBOX_CHAN_PROPERTY << MBOX_AS_CHAN_SHIFT,
231 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->property), 0));
232 sysbus_connect_irq(SYS_BUS_DEVICE(&s->property), 0,
233 qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_PROPERTY));
234
235
236 object_property_set_bool(OBJECT(&s->rng), true, "realized", &err);
237 if (err) {
238 error_propagate(errp, err);
239 return;
240 }
241
242 memory_region_add_subregion(&s->peri_mr, RNG_OFFSET,
243 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->rng), 0));
244
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254
255 object_property_set_uint(OBJECT(&s->sdhci), 3, "sd-spec-version", &err);
256 object_property_set_uint(OBJECT(&s->sdhci), BCM2835_SDHC_CAPAREG, "capareg",
257 &err);
258 object_property_set_bool(OBJECT(&s->sdhci), true, "pending-insert-quirk",
259 &err);
260 if (err) {
261 error_propagate(errp, err);
262 return;
263 }
264
265 object_property_set_bool(OBJECT(&s->sdhci), true, "realized", &err);
266 if (err) {
267 error_propagate(errp, err);
268 return;
269 }
270
271 memory_region_add_subregion(&s->peri_mr, EMMC_OFFSET,
272 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhci), 0));
273 sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0,
274 qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
275 INTERRUPT_ARASANSDIO));
276
277
278 object_property_set_bool(OBJECT(&s->sdhost), true, "realized", &err);
279 if (err) {
280 error_propagate(errp, err);
281 return;
282 }
283
284 memory_region_add_subregion(&s->peri_mr, MMCI0_OFFSET,
285 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->sdhost), 0));
286 sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhost), 0,
287 qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
288 INTERRUPT_SDIO));
289
290
291 object_property_set_bool(OBJECT(&s->dma), true, "realized", &err);
292 if (err) {
293 error_propagate(errp, err);
294 return;
295 }
296
297 memory_region_add_subregion(&s->peri_mr, DMA_OFFSET,
298 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 0));
299 memory_region_add_subregion(&s->peri_mr, DMA15_OFFSET,
300 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->dma), 1));
301
302 for (n = 0; n <= 12; n++) {
303 sysbus_connect_irq(SYS_BUS_DEVICE(&s->dma), n,
304 qdev_get_gpio_in_named(DEVICE(&s->ic),
305 BCM2835_IC_GPU_IRQ,
306 INTERRUPT_DMA0 + n));
307 }
308
309
310 object_property_set_bool(OBJECT(&s->gpio), true, "realized", &err);
311 if (err) {
312 error_propagate(errp, err);
313 return;
314 }
315
316 memory_region_add_subregion(&s->peri_mr, GPIO_OFFSET,
317 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->gpio), 0));
318
319 object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->gpio), "sd-bus",
320 &err);
321 if (err) {
322 error_propagate(errp, err);
323 return;
324 }
325}
326
327static void bcm2835_peripherals_class_init(ObjectClass *oc, void *data)
328{
329 DeviceClass *dc = DEVICE_CLASS(oc);
330
331 dc->realize = bcm2835_peripherals_realize;
332}
333
334static const TypeInfo bcm2835_peripherals_type_info = {
335 .name = TYPE_BCM2835_PERIPHERALS,
336 .parent = TYPE_SYS_BUS_DEVICE,
337 .instance_size = sizeof(BCM2835PeripheralState),
338 .instance_init = bcm2835_peripherals_init,
339 .class_init = bcm2835_peripherals_class_init,
340};
341
342static void bcm2835_peripherals_register_types(void)
343{
344 type_register_static(&bcm2835_peripherals_type_info);
345}
346
347type_init(bcm2835_peripherals_register_types)
348
