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26#include "qemu/osdep.h"
27#include "qapi/error.h"
28#include "qemu/module.h"
29#include "hw/arm/boot.h"
30#include "exec/address-spaces.h"
31#include "hw/arm/stm32f100_soc.h"
32#include "hw/qdev-properties.h"
33#include "hw/misc/unimp.h"
34#include "sysemu/sysemu.h"
35
36
37
38static const uint32_t usart_addr[STM_NUM_USARTS] = { 0x40013800, 0x40004400,
39 0x40004800 };
40static const uint32_t spi_addr[STM_NUM_SPIS] = { 0x40013000, 0x40003800 };
41
42static const int usart_irq[STM_NUM_USARTS] = {37, 38, 39};
43static const int spi_irq[STM_NUM_SPIS] = {35, 36};
44
45static void stm32f100_soc_initfn(Object *obj)
46{
47 STM32F100State *s = STM32F100_SOC(obj);
48 int i;
49
50 object_initialize_child(obj, "armv7m", &s->armv7m, TYPE_ARMV7M);
51
52 for (i = 0; i < STM_NUM_USARTS; i++) {
53 object_initialize_child(obj, "usart[*]", &s->usart[i],
54 TYPE_STM32F2XX_USART);
55 }
56
57 for (i = 0; i < STM_NUM_SPIS; i++) {
58 object_initialize_child(obj, "spi[*]", &s->spi[i], TYPE_STM32F2XX_SPI);
59 }
60}
61
62static void stm32f100_soc_realize(DeviceState *dev_soc, Error **errp)
63{
64 STM32F100State *s = STM32F100_SOC(dev_soc);
65 DeviceState *dev, *armv7m;
66 SysBusDevice *busdev;
67 int i;
68
69 MemoryRegion *system_memory = get_system_memory();
70 MemoryRegion *sram = g_new(MemoryRegion, 1);
71 MemoryRegion *flash = g_new(MemoryRegion, 1);
72 MemoryRegion *flash_alias = g_new(MemoryRegion, 1);
73
74
75
76
77
78 memory_region_init_rom(flash, OBJECT(dev_soc), "STM32F100.flash",
79 FLASH_SIZE, &error_fatal);
80 memory_region_init_alias(flash_alias, OBJECT(dev_soc),
81 "STM32F100.flash.alias", flash, 0, FLASH_SIZE);
82 memory_region_add_subregion(system_memory, FLASH_BASE_ADDRESS, flash);
83 memory_region_add_subregion(system_memory, 0, flash_alias);
84
85
86 memory_region_init_ram(sram, NULL, "STM32F100.sram", SRAM_SIZE,
87 &error_fatal);
88 memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, sram);
89
90
91 armv7m = DEVICE(&s->armv7m);
92 qdev_prop_set_uint32(armv7m, "num-irq", 61);
93 qdev_prop_set_string(armv7m, "cpu-type", s->cpu_type);
94 qdev_prop_set_bit(armv7m, "enable-bitband", true);
95 object_property_set_link(OBJECT(&s->armv7m), "memory",
96 OBJECT(get_system_memory()), &error_abort);
97 if (!sysbus_realize(SYS_BUS_DEVICE(&s->armv7m), errp)) {
98 return;
99 }
100
101
102 for (i = 0; i < STM_NUM_USARTS; i++) {
103 dev = DEVICE(&(s->usart[i]));
104 qdev_prop_set_chr(dev, "chardev", serial_hd(i));
105 if (!sysbus_realize(SYS_BUS_DEVICE(&s->usart[i]), errp)) {
106 return;
107 }
108 busdev = SYS_BUS_DEVICE(dev);
109 sysbus_mmio_map(busdev, 0, usart_addr[i]);
110 sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, usart_irq[i]));
111 }
112
113
114 for (i = 0; i < STM_NUM_SPIS; i++) {
115 dev = DEVICE(&(s->spi[i]));
116 if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) {
117 return;
118 }
119 busdev = SYS_BUS_DEVICE(dev);
120 sysbus_mmio_map(busdev, 0, spi_addr[i]);
121 sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, spi_irq[i]));
122 }
123
124 create_unimplemented_device("timer[2]", 0x40000000, 0x400);
125 create_unimplemented_device("timer[3]", 0x40000400, 0x400);
126 create_unimplemented_device("timer[4]", 0x40000800, 0x400);
127 create_unimplemented_device("timer[6]", 0x40001000, 0x400);
128 create_unimplemented_device("timer[7]", 0x40001400, 0x400);
129 create_unimplemented_device("RTC", 0x40002800, 0x400);
130 create_unimplemented_device("WWDG", 0x40002C00, 0x400);
131 create_unimplemented_device("IWDG", 0x40003000, 0x400);
132 create_unimplemented_device("I2C1", 0x40005400, 0x400);
133 create_unimplemented_device("I2C2", 0x40005800, 0x400);
134 create_unimplemented_device("BKP", 0x40006C00, 0x400);
135 create_unimplemented_device("PWR", 0x40007000, 0x400);
136 create_unimplemented_device("DAC", 0x40007400, 0x400);
137 create_unimplemented_device("CEC", 0x40007800, 0x400);
138 create_unimplemented_device("AFIO", 0x40010000, 0x400);
139 create_unimplemented_device("EXTI", 0x40010400, 0x400);
140 create_unimplemented_device("GPIOA", 0x40010800, 0x400);
141 create_unimplemented_device("GPIOB", 0x40010C00, 0x400);
142 create_unimplemented_device("GPIOC", 0x40011000, 0x400);
143 create_unimplemented_device("GPIOD", 0x40011400, 0x400);
144 create_unimplemented_device("GPIOE", 0x40011800, 0x400);
145 create_unimplemented_device("ADC1", 0x40012400, 0x400);
146 create_unimplemented_device("timer[1]", 0x40012C00, 0x400);
147 create_unimplemented_device("timer[15]", 0x40014000, 0x400);
148 create_unimplemented_device("timer[16]", 0x40014400, 0x400);
149 create_unimplemented_device("timer[17]", 0x40014800, 0x400);
150 create_unimplemented_device("DMA", 0x40020000, 0x400);
151 create_unimplemented_device("RCC", 0x40021000, 0x400);
152 create_unimplemented_device("Flash Int", 0x40022000, 0x400);
153 create_unimplemented_device("CRC", 0x40023000, 0x400);
154}
155
156static Property stm32f100_soc_properties[] = {
157 DEFINE_PROP_STRING("cpu-type", STM32F100State, cpu_type),
158 DEFINE_PROP_END_OF_LIST(),
159};
160
161static void stm32f100_soc_class_init(ObjectClass *klass, void *data)
162{
163 DeviceClass *dc = DEVICE_CLASS(klass);
164
165 dc->realize = stm32f100_soc_realize;
166 device_class_set_props(dc, stm32f100_soc_properties);
167}
168
169static const TypeInfo stm32f100_soc_info = {
170 .name = TYPE_STM32F100_SOC,
171 .parent = TYPE_SYS_BUS_DEVICE,
172 .instance_size = sizeof(STM32F100State),
173 .instance_init = stm32f100_soc_initfn,
174 .class_init = stm32f100_soc_class_init,
175};
176
177static void stm32f100_soc_types(void)
178{
179 type_register_static(&stm32f100_soc_info);
180}
181
182type_init(stm32f100_soc_types)
183