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1/*
2 * STM32F405 SoC
3 *
4 * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25#include "qemu/osdep.h"
26#include "qapi/error.h"
27#include "qemu-common.h"
28#include "exec/address-spaces.h"
29#include "sysemu/sysemu.h"
30#include "hw/arm/stm32f405_soc.h"
31#include "hw/misc/unimp.h"
32
33#define SYSCFG_ADD 0x40013800
34static const uint32_t usart_addr[] = { 0x40011000, 0x40004400, 0x40004800,
35 0x40004C00, 0x40005000, 0x40011400,
36 0x40007800, 0x40007C00 };
37/* At the moment only Timer 2 to 5 are modelled */
38static const uint32_t timer_addr[] = { 0x40000000, 0x40000400,
39 0x40000800, 0x40000C00 };
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40static const uint32_t adc_addr[] = { 0x40012000, 0x40012100, 0x40012200,
41 0x40012300, 0x40012400, 0x40012500 };
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42static const uint32_t spi_addr[] = { 0x40013000, 0x40003800, 0x40003C00,
43 0x40013400, 0x40015000, 0x40015400 };
44#define EXTI_ADDR 0x40013C00
45
46#define SYSCFG_IRQ 71
47static const int usart_irq[] = { 37, 38, 39, 52, 53, 71, 82, 83 };
48static const int timer_irq[] = { 28, 29, 30, 50 };
49#define ADC_IRQ 18
50static const int spi_irq[] = { 35, 36, 51, 0, 0, 0 };
51static const int exti_irq[] = { 6, 7, 8, 9, 10, 23, 23, 23, 23, 23, 40,
52 40, 40, 40, 40, 40} ;
53
54
55static void stm32f405_soc_initfn(Object *obj)
56{
57 STM32F405State *s = STM32F405_SOC(obj);
58 int i;
59
db873cc5 60 object_initialize_child(obj, "armv7m", &s->armv7m, TYPE_ARMV7M);
529fc5fd 61
db873cc5 62 object_initialize_child(obj, "syscfg", &s->syscfg, TYPE_STM32F4XX_SYSCFG);
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63
64 for (i = 0; i < STM_NUM_USARTS; i++) {
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65 object_initialize_child(obj, "usart[*]", &s->usart[i],
66 TYPE_STM32F2XX_USART);
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67 }
68
69 for (i = 0; i < STM_NUM_TIMERS; i++) {
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70 object_initialize_child(obj, "timer[*]", &s->timer[i],
71 TYPE_STM32F2XX_TIMER);
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72 }
73
74 for (i = 0; i < STM_NUM_ADCS; i++) {
db873cc5 75 object_initialize_child(obj, "adc[*]", &s->adc[i], TYPE_STM32F2XX_ADC);
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76 }
77
78 for (i = 0; i < STM_NUM_SPIS; i++) {
db873cc5 79 object_initialize_child(obj, "spi[*]", &s->spi[i], TYPE_STM32F2XX_SPI);
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80 }
81
db873cc5 82 object_initialize_child(obj, "exti", &s->exti, TYPE_STM32F4XX_EXTI);
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83}
84
85static void stm32f405_soc_realize(DeviceState *dev_soc, Error **errp)
86{
87 STM32F405State *s = STM32F405_SOC(dev_soc);
88 MemoryRegion *system_memory = get_system_memory();
89 DeviceState *dev, *armv7m;
90 SysBusDevice *busdev;
91 Error *err = NULL;
92 int i;
93
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94 memory_region_init_rom(&s->flash, OBJECT(dev_soc), "STM32F405.flash",
95 FLASH_SIZE, &err);
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96 if (err != NULL) {
97 error_propagate(errp, err);
98 return;
99 }
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100 memory_region_init_alias(&s->flash_alias, OBJECT(dev_soc),
101 "STM32F405.flash.alias", &s->flash, 0,
102 FLASH_SIZE);
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103
104 memory_region_add_subregion(system_memory, FLASH_BASE_ADDRESS, &s->flash);
105 memory_region_add_subregion(system_memory, 0, &s->flash_alias);
106
107 memory_region_init_ram(&s->sram, NULL, "STM32F405.sram", SRAM_SIZE,
108 &err);
109 if (err != NULL) {
110 error_propagate(errp, err);
111 return;
112 }
113 memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, &s->sram);
114
115 armv7m = DEVICE(&s->armv7m);
116 qdev_prop_set_uint32(armv7m, "num-irq", 96);
117 qdev_prop_set_string(armv7m, "cpu-type", s->cpu_type);
118 qdev_prop_set_bit(armv7m, "enable-bitband", true);
119 object_property_set_link(OBJECT(&s->armv7m), OBJECT(system_memory),
120 "memory", &error_abort);
db873cc5 121 sysbus_realize(SYS_BUS_DEVICE(&s->armv7m), &err);
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122 if (err != NULL) {
123 error_propagate(errp, err);
124 return;
125 }
126
127 /* System configuration controller */
128 dev = DEVICE(&s->syscfg);
db873cc5 129 sysbus_realize(SYS_BUS_DEVICE(&s->syscfg), &err);
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130 if (err != NULL) {
131 error_propagate(errp, err);
132 return;
133 }
134 busdev = SYS_BUS_DEVICE(dev);
135 sysbus_mmio_map(busdev, 0, SYSCFG_ADD);
136 sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, SYSCFG_IRQ));
137
138 /* Attach UART (uses USART registers) and USART controllers */
139 for (i = 0; i < STM_NUM_USARTS; i++) {
140 dev = DEVICE(&(s->usart[i]));
141 qdev_prop_set_chr(dev, "chardev", serial_hd(i));
db873cc5 142 sysbus_realize(SYS_BUS_DEVICE(&s->usart[i]), &err);
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143 if (err != NULL) {
144 error_propagate(errp, err);
145 return;
146 }
147 busdev = SYS_BUS_DEVICE(dev);
148 sysbus_mmio_map(busdev, 0, usart_addr[i]);
149 sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, usart_irq[i]));
150 }
151
152 /* Timer 2 to 5 */
153 for (i = 0; i < STM_NUM_TIMERS; i++) {
154 dev = DEVICE(&(s->timer[i]));
155 qdev_prop_set_uint64(dev, "clock-frequency", 1000000000);
db873cc5 156 sysbus_realize(SYS_BUS_DEVICE(&s->timer[i]), &err);
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157 if (err != NULL) {
158 error_propagate(errp, err);
159 return;
160 }
161 busdev = SYS_BUS_DEVICE(dev);
162 sysbus_mmio_map(busdev, 0, timer_addr[i]);
163 sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, timer_irq[i]));
164 }
165
166 /* ADC device, the IRQs are ORed together */
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167 object_initialize_child_with_props(OBJECT(s), "adc-orirq", &s->adc_irqs,
168 sizeof(s->adc_irqs), TYPE_OR_IRQ, &err,
169 NULL);
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170 if (err != NULL) {
171 error_propagate(errp, err);
172 return;
173 }
174 object_property_set_int(OBJECT(&s->adc_irqs), STM_NUM_ADCS,
175 "num-lines", &err);
ce189ab2 176 qdev_realize(DEVICE(&s->adc_irqs), NULL, &err);
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177 if (err != NULL) {
178 error_propagate(errp, err);
179 return;
180 }
181 qdev_connect_gpio_out(DEVICE(&s->adc_irqs), 0,
182 qdev_get_gpio_in(armv7m, ADC_IRQ));
183
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184 for (i = 0; i < STM_NUM_ADCS; i++) {
185 dev = DEVICE(&(s->adc[i]));
db873cc5 186 sysbus_realize(SYS_BUS_DEVICE(&s->adc[i]), &err);
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187 if (err != NULL) {
188 error_propagate(errp, err);
189 return;
190 }
191 busdev = SYS_BUS_DEVICE(dev);
192 sysbus_mmio_map(busdev, 0, adc_addr[i]);
193 sysbus_connect_irq(busdev, 0,
194 qdev_get_gpio_in(DEVICE(&s->adc_irqs), i));
529fc5fd 195 }
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196
197 /* SPI devices */
198 for (i = 0; i < STM_NUM_SPIS; i++) {
199 dev = DEVICE(&(s->spi[i]));
db873cc5 200 sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), &err);
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201 if (err != NULL) {
202 error_propagate(errp, err);
203 return;
204 }
205 busdev = SYS_BUS_DEVICE(dev);
206 sysbus_mmio_map(busdev, 0, spi_addr[i]);
207 sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, spi_irq[i]));
208 }
209
210 /* EXTI device */
211 dev = DEVICE(&s->exti);
db873cc5 212 sysbus_realize(SYS_BUS_DEVICE(&s->exti), &err);
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213 if (err != NULL) {
214 error_propagate(errp, err);
215 return;
216 }
217 busdev = SYS_BUS_DEVICE(dev);
218 sysbus_mmio_map(busdev, 0, EXTI_ADDR);
219 for (i = 0; i < 16; i++) {
220 sysbus_connect_irq(busdev, i, qdev_get_gpio_in(armv7m, exti_irq[i]));
221 }
222 for (i = 0; i < 16; i++) {
223 qdev_connect_gpio_out(DEVICE(&s->syscfg), i, qdev_get_gpio_in(dev, i));
224 }
225
226 create_unimplemented_device("timer[7]", 0x40001400, 0x400);
227 create_unimplemented_device("timer[12]", 0x40001800, 0x400);
228 create_unimplemented_device("timer[6]", 0x40001000, 0x400);
229 create_unimplemented_device("timer[13]", 0x40001C00, 0x400);
230 create_unimplemented_device("timer[14]", 0x40002000, 0x400);
231 create_unimplemented_device("RTC and BKP", 0x40002800, 0x400);
232 create_unimplemented_device("WWDG", 0x40002C00, 0x400);
233 create_unimplemented_device("IWDG", 0x40003000, 0x400);
234 create_unimplemented_device("I2S2ext", 0x40003000, 0x400);
235 create_unimplemented_device("I2S3ext", 0x40004000, 0x400);
236 create_unimplemented_device("I2C1", 0x40005400, 0x400);
237 create_unimplemented_device("I2C2", 0x40005800, 0x400);
238 create_unimplemented_device("I2C3", 0x40005C00, 0x400);
239 create_unimplemented_device("CAN1", 0x40006400, 0x400);
240 create_unimplemented_device("CAN2", 0x40006800, 0x400);
241 create_unimplemented_device("PWR", 0x40007000, 0x400);
242 create_unimplemented_device("DAC", 0x40007400, 0x400);
243 create_unimplemented_device("timer[1]", 0x40010000, 0x400);
244 create_unimplemented_device("timer[8]", 0x40010400, 0x400);
245 create_unimplemented_device("SDIO", 0x40012C00, 0x400);
246 create_unimplemented_device("timer[9]", 0x40014000, 0x400);
247 create_unimplemented_device("timer[10]", 0x40014400, 0x400);
248 create_unimplemented_device("timer[11]", 0x40014800, 0x400);
249 create_unimplemented_device("GPIOA", 0x40020000, 0x400);
250 create_unimplemented_device("GPIOB", 0x40020400, 0x400);
251 create_unimplemented_device("GPIOC", 0x40020800, 0x400);
252 create_unimplemented_device("GPIOD", 0x40020C00, 0x400);
253 create_unimplemented_device("GPIOE", 0x40021000, 0x400);
254 create_unimplemented_device("GPIOF", 0x40021400, 0x400);
255 create_unimplemented_device("GPIOG", 0x40021800, 0x400);
256 create_unimplemented_device("GPIOH", 0x40021C00, 0x400);
257 create_unimplemented_device("GPIOI", 0x40022000, 0x400);
258 create_unimplemented_device("CRC", 0x40023000, 0x400);
259 create_unimplemented_device("RCC", 0x40023800, 0x400);
260 create_unimplemented_device("Flash Int", 0x40023C00, 0x400);
261 create_unimplemented_device("BKPSRAM", 0x40024000, 0x400);
262 create_unimplemented_device("DMA1", 0x40026000, 0x400);
263 create_unimplemented_device("DMA2", 0x40026400, 0x400);
264 create_unimplemented_device("Ethernet", 0x40028000, 0x1400);
265 create_unimplemented_device("USB OTG HS", 0x40040000, 0x30000);
266 create_unimplemented_device("USB OTG FS", 0x50000000, 0x31000);
267 create_unimplemented_device("DCMI", 0x50050000, 0x400);
268 create_unimplemented_device("RNG", 0x50060800, 0x400);
269}
270
271static Property stm32f405_soc_properties[] = {
272 DEFINE_PROP_STRING("cpu-type", STM32F405State, cpu_type),
273 DEFINE_PROP_END_OF_LIST(),
274};
275
276static void stm32f405_soc_class_init(ObjectClass *klass, void *data)
277{
278 DeviceClass *dc = DEVICE_CLASS(klass);
279
280 dc->realize = stm32f405_soc_realize;
4f67d30b 281 device_class_set_props(dc, stm32f405_soc_properties);
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282 /* No vmstate or reset required: device has no internal state */
283}
284
285static const TypeInfo stm32f405_soc_info = {
286 .name = TYPE_STM32F405_SOC,
287 .parent = TYPE_SYS_BUS_DEVICE,
288 .instance_size = sizeof(STM32F405State),
289 .instance_init = stm32f405_soc_initfn,
290 .class_init = stm32f405_soc_class_init,
291};
292
293static void stm32f405_soc_types(void)
294{
295 type_register_static(&stm32f405_soc_info);
296}
297
298type_init(stm32f405_soc_types)