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25#include "qemu/osdep.h"
26#include "qapi/error.h"
27#include "exec/address-spaces.h"
28#include "sysemu/sysemu.h"
29#include "hw/arm/stm32f405_soc.h"
30#include "hw/qdev-clock.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
38static const uint32_t timer_addr[] = { 0x40000000, 0x40000400,
39 0x40000800, 0x40000C00 };
40static const uint32_t adc_addr[] = { 0x40012000, 0x40012100, 0x40012200,
41 0x40012300, 0x40012400, 0x40012500 };
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
60 object_initialize_child(obj, "armv7m", &s->armv7m, TYPE_ARMV7M);
61
62 object_initialize_child(obj, "syscfg", &s->syscfg, TYPE_STM32F4XX_SYSCFG);
63
64 for (i = 0; i < STM_NUM_USARTS; i++) {
65 object_initialize_child(obj, "usart[*]", &s->usart[i],
66 TYPE_STM32F2XX_USART);
67 }
68
69 for (i = 0; i < STM_NUM_TIMERS; i++) {
70 object_initialize_child(obj, "timer[*]", &s->timer[i],
71 TYPE_STM32F2XX_TIMER);
72 }
73
74 for (i = 0; i < STM_NUM_ADCS; i++) {
75 object_initialize_child(obj, "adc[*]", &s->adc[i], TYPE_STM32F2XX_ADC);
76 }
77
78 for (i = 0; i < STM_NUM_SPIS; i++) {
79 object_initialize_child(obj, "spi[*]", &s->spi[i], TYPE_STM32F2XX_SPI);
80 }
81
82 object_initialize_child(obj, "exti", &s->exti, TYPE_STM32F4XX_EXTI);
83
84 s->sysclk = qdev_init_clock_in(DEVICE(s), "sysclk", NULL, NULL, 0);
85 s->refclk = qdev_init_clock_in(DEVICE(s), "refclk", NULL, NULL, 0);
86}
87
88static void stm32f405_soc_realize(DeviceState *dev_soc, Error **errp)
89{
90 STM32F405State *s = STM32F405_SOC(dev_soc);
91 MemoryRegion *system_memory = get_system_memory();
92 DeviceState *dev, *armv7m;
93 SysBusDevice *busdev;
94 Error *err = NULL;
95 int i;
96
97
98
99
100
101
102 if (clock_has_source(s->refclk)) {
103 error_setg(errp, "refclk clock must not be wired up by the board code");
104 return;
105 }
106
107 if (!clock_has_source(s->sysclk)) {
108 error_setg(errp, "sysclk clock must be wired up by the board code");
109 return;
110 }
111
112
113
114
115
116
117
118 clock_set_mul_div(s->refclk, 8, 1);
119 clock_set_source(s->refclk, s->sysclk);
120
121 memory_region_init_rom(&s->flash, OBJECT(dev_soc), "STM32F405.flash",
122 FLASH_SIZE, &err);
123 if (err != NULL) {
124 error_propagate(errp, err);
125 return;
126 }
127 memory_region_init_alias(&s->flash_alias, OBJECT(dev_soc),
128 "STM32F405.flash.alias", &s->flash, 0,
129 FLASH_SIZE);
130
131 memory_region_add_subregion(system_memory, FLASH_BASE_ADDRESS, &s->flash);
132 memory_region_add_subregion(system_memory, 0, &s->flash_alias);
133
134 memory_region_init_ram(&s->sram, NULL, "STM32F405.sram", SRAM_SIZE,
135 &err);
136 if (err != NULL) {
137 error_propagate(errp, err);
138 return;
139 }
140 memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, &s->sram);
141
142 memory_region_init_ram(&s->ccm, NULL, "STM32F405.ccm", CCM_SIZE,
143 &err);
144 if (err != NULL) {
145 error_propagate(errp, err);
146 return;
147 }
148 memory_region_add_subregion(system_memory, CCM_BASE_ADDRESS, &s->ccm);
149
150 armv7m = DEVICE(&s->armv7m);
151 qdev_prop_set_uint32(armv7m, "num-irq", 96);
152 qdev_prop_set_string(armv7m, "cpu-type", s->cpu_type);
153 qdev_prop_set_bit(armv7m, "enable-bitband", true);
154 qdev_connect_clock_in(armv7m, "cpuclk", s->sysclk);
155 qdev_connect_clock_in(armv7m, "refclk", s->refclk);
156 object_property_set_link(OBJECT(&s->armv7m), "memory",
157 OBJECT(system_memory), &error_abort);
158 if (!sysbus_realize(SYS_BUS_DEVICE(&s->armv7m), errp)) {
159 return;
160 }
161
162
163 dev = DEVICE(&s->syscfg);
164 if (!sysbus_realize(SYS_BUS_DEVICE(&s->syscfg), errp)) {
165 return;
166 }
167 busdev = SYS_BUS_DEVICE(dev);
168 sysbus_mmio_map(busdev, 0, SYSCFG_ADD);
169 sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, SYSCFG_IRQ));
170
171
172 for (i = 0; i < STM_NUM_USARTS; i++) {
173 dev = DEVICE(&(s->usart[i]));
174 qdev_prop_set_chr(dev, "chardev", serial_hd(i));
175 if (!sysbus_realize(SYS_BUS_DEVICE(&s->usart[i]), errp)) {
176 return;
177 }
178 busdev = SYS_BUS_DEVICE(dev);
179 sysbus_mmio_map(busdev, 0, usart_addr[i]);
180 sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, usart_irq[i]));
181 }
182
183
184 for (i = 0; i < STM_NUM_TIMERS; i++) {
185 dev = DEVICE(&(s->timer[i]));
186 qdev_prop_set_uint64(dev, "clock-frequency", 1000000000);
187 if (!sysbus_realize(SYS_BUS_DEVICE(&s->timer[i]), errp)) {
188 return;
189 }
190 busdev = SYS_BUS_DEVICE(dev);
191 sysbus_mmio_map(busdev, 0, timer_addr[i]);
192 sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, timer_irq[i]));
193 }
194
195
196 if (!object_initialize_child_with_props(OBJECT(s), "adc-orirq",
197 &s->adc_irqs, sizeof(s->adc_irqs),
198 TYPE_OR_IRQ, errp, NULL)) {
199 return;
200 }
201 object_property_set_int(OBJECT(&s->adc_irqs), "num-lines", STM_NUM_ADCS,
202 &error_abort);
203 if (!qdev_realize(DEVICE(&s->adc_irqs), NULL, errp)) {
204 return;
205 }
206 qdev_connect_gpio_out(DEVICE(&s->adc_irqs), 0,
207 qdev_get_gpio_in(armv7m, ADC_IRQ));
208
209 for (i = 0; i < STM_NUM_ADCS; i++) {
210 dev = DEVICE(&(s->adc[i]));
211 if (!sysbus_realize(SYS_BUS_DEVICE(&s->adc[i]), errp)) {
212 return;
213 }
214 busdev = SYS_BUS_DEVICE(dev);
215 sysbus_mmio_map(busdev, 0, adc_addr[i]);
216 sysbus_connect_irq(busdev, 0,
217 qdev_get_gpio_in(DEVICE(&s->adc_irqs), i));
218 }
219
220
221 for (i = 0; i < STM_NUM_SPIS; i++) {
222 dev = DEVICE(&(s->spi[i]));
223 if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) {
224 return;
225 }
226 busdev = SYS_BUS_DEVICE(dev);
227 sysbus_mmio_map(busdev, 0, spi_addr[i]);
228 sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, spi_irq[i]));
229 }
230
231
232 dev = DEVICE(&s->exti);
233 if (!sysbus_realize(SYS_BUS_DEVICE(&s->exti), errp)) {
234 return;
235 }
236 busdev = SYS_BUS_DEVICE(dev);
237 sysbus_mmio_map(busdev, 0, EXTI_ADDR);
238 for (i = 0; i < 16; i++) {
239 sysbus_connect_irq(busdev, i, qdev_get_gpio_in(armv7m, exti_irq[i]));
240 }
241 for (i = 0; i < 16; i++) {
242 qdev_connect_gpio_out(DEVICE(&s->syscfg), i, qdev_get_gpio_in(dev, i));
243 }
244
245 create_unimplemented_device("timer[7]", 0x40001400, 0x400);
246 create_unimplemented_device("timer[12]", 0x40001800, 0x400);
247 create_unimplemented_device("timer[6]", 0x40001000, 0x400);
248 create_unimplemented_device("timer[13]", 0x40001C00, 0x400);
249 create_unimplemented_device("timer[14]", 0x40002000, 0x400);
250 create_unimplemented_device("RTC and BKP", 0x40002800, 0x400);
251 create_unimplemented_device("WWDG", 0x40002C00, 0x400);
252 create_unimplemented_device("IWDG", 0x40003000, 0x400);
253 create_unimplemented_device("I2S2ext", 0x40003000, 0x400);
254 create_unimplemented_device("I2S3ext", 0x40004000, 0x400);
255 create_unimplemented_device("I2C1", 0x40005400, 0x400);
256 create_unimplemented_device("I2C2", 0x40005800, 0x400);
257 create_unimplemented_device("I2C3", 0x40005C00, 0x400);
258 create_unimplemented_device("CAN1", 0x40006400, 0x400);
259 create_unimplemented_device("CAN2", 0x40006800, 0x400);
260 create_unimplemented_device("PWR", 0x40007000, 0x400);
261 create_unimplemented_device("DAC", 0x40007400, 0x400);
262 create_unimplemented_device("timer[1]", 0x40010000, 0x400);
263 create_unimplemented_device("timer[8]", 0x40010400, 0x400);
264 create_unimplemented_device("SDIO", 0x40012C00, 0x400);
265 create_unimplemented_device("timer[9]", 0x40014000, 0x400);
266 create_unimplemented_device("timer[10]", 0x40014400, 0x400);
267 create_unimplemented_device("timer[11]", 0x40014800, 0x400);
268 create_unimplemented_device("GPIOA", 0x40020000, 0x400);
269 create_unimplemented_device("GPIOB", 0x40020400, 0x400);
270 create_unimplemented_device("GPIOC", 0x40020800, 0x400);
271 create_unimplemented_device("GPIOD", 0x40020C00, 0x400);
272 create_unimplemented_device("GPIOE", 0x40021000, 0x400);
273 create_unimplemented_device("GPIOF", 0x40021400, 0x400);
274 create_unimplemented_device("GPIOG", 0x40021800, 0x400);
275 create_unimplemented_device("GPIOH", 0x40021C00, 0x400);
276 create_unimplemented_device("GPIOI", 0x40022000, 0x400);
277 create_unimplemented_device("CRC", 0x40023000, 0x400);
278 create_unimplemented_device("RCC", 0x40023800, 0x400);
279 create_unimplemented_device("Flash Int", 0x40023C00, 0x400);
280 create_unimplemented_device("BKPSRAM", 0x40024000, 0x400);
281 create_unimplemented_device("DMA1", 0x40026000, 0x400);
282 create_unimplemented_device("DMA2", 0x40026400, 0x400);
283 create_unimplemented_device("Ethernet", 0x40028000, 0x1400);
284 create_unimplemented_device("USB OTG HS", 0x40040000, 0x30000);
285 create_unimplemented_device("USB OTG FS", 0x50000000, 0x31000);
286 create_unimplemented_device("DCMI", 0x50050000, 0x400);
287 create_unimplemented_device("RNG", 0x50060800, 0x400);
288}
289
290static Property stm32f405_soc_properties[] = {
291 DEFINE_PROP_STRING("cpu-type", STM32F405State, cpu_type),
292 DEFINE_PROP_END_OF_LIST(),
293};
294
295static void stm32f405_soc_class_init(ObjectClass *klass, void *data)
296{
297 DeviceClass *dc = DEVICE_CLASS(klass);
298
299 dc->realize = stm32f405_soc_realize;
300 device_class_set_props(dc, stm32f405_soc_properties);
301
302}
303
304static const TypeInfo stm32f405_soc_info = {
305 .name = TYPE_STM32F405_SOC,
306 .parent = TYPE_SYS_BUS_DEVICE,
307 .instance_size = sizeof(STM32F405State),
308 .instance_init = stm32f405_soc_initfn,
309 .class_init = stm32f405_soc_class_init,
310};
311
312static void stm32f405_soc_types(void)
313{
314 type_register_static(&stm32f405_soc_info);
315}
316
317type_init(stm32f405_soc_types)
318