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stm32f205: Add the stm32f205 SoC

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This patch adds the stm32f205 SoC. This will be used by the
Netduino 2 to create a machine.

Signed-off-by: Alistair Francis <alistair@alistair23.me>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 48d509747a1ea0d8a7d5480560495e679990f9d2.1424175342.git.alistair@alistair23.me
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Alistair Francis 2015-03-11 13:21:06 +00:00 committed by Peter Maydell
parent bbbbd9002f
commit db635521a0
4 changed files with 219 additions and 0 deletions
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1
default-configs/arm-softmmu.mak
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@ -83,6 +83,7 @@ CONFIG_ZYNQ=y
CONFIG_STM32F2XX_TIMER=y
CONFIG_STM32F2XX_USART=y
CONFIG_STM32F2XX_SYSCFG=y
CONFIG_STM32F205_SOC=y
CONFIG_VERSATILE_PCI=y
CONFIG_VERSATILE_I2C=y

1
hw/arm/Makefile.objs
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@ -8,3 +8,4 @@ obj-y += armv7m.o exynos4210.o pxa2xx.o pxa2xx_gpio.o pxa2xx_pic.o
obj-$(CONFIG_DIGIC) += digic.o
obj-y += omap1.o omap2.o strongarm.o
obj-$(CONFIG_ALLWINNER_A10) += allwinner-a10.o cubieboard.o
obj-$(CONFIG_STM32F205_SOC) += stm32f205_soc.o

160
hw/arm/stm32f205_soc.c Normal file
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@ -0,0 +1,160 @@
/*
* STM32F205 SoC
*
* Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "hw/arm/arm.h"
#include "exec/address-spaces.h"
#include "hw/arm/stm32f205_soc.h"
/* At the moment only Timer 2 to 5 are modelled */
static const uint32_t timer_addr[STM_NUM_TIMERS] = { 0x40000000, 0x40000400,
0x40000800, 0x40000C00 };
static const uint32_t usart_addr[STM_NUM_USARTS] = { 0x40011000, 0x40004400,
0x40004800, 0x40004C00, 0x40005000, 0x40011400 };
static const int timer_irq[STM_NUM_TIMERS] = {28, 29, 30, 50};
static const int usart_irq[STM_NUM_USARTS] = {37, 38, 39, 52, 53, 71};
static void stm32f205_soc_initfn(Object *obj)
{
STM32F205State *s = STM32F205_SOC(obj);
int i;
object_initialize(&s->syscfg, sizeof(s->syscfg), TYPE_STM32F2XX_SYSCFG);
qdev_set_parent_bus(DEVICE(&s->syscfg), sysbus_get_default());
for (i = 0; i < STM_NUM_USARTS; i++) {
object_initialize(&s->usart[i], sizeof(s->usart[i]),
TYPE_STM32F2XX_USART);
qdev_set_parent_bus(DEVICE(&s->usart[i]), sysbus_get_default());
}
for (i = 0; i < STM_NUM_TIMERS; i++) {
object_initialize(&s->timer[i], sizeof(s->timer[i]),
TYPE_STM32F2XX_TIMER);
qdev_set_parent_bus(DEVICE(&s->timer[i]), sysbus_get_default());
}
}
static void stm32f205_soc_realize(DeviceState *dev_soc, Error **errp)
{
STM32F205State *s = STM32F205_SOC(dev_soc);
DeviceState *syscfgdev, *usartdev, *timerdev;
SysBusDevice *syscfgbusdev, *usartbusdev, *timerbusdev;
qemu_irq *pic;
Error *err = NULL;
int i;
MemoryRegion *system_memory = get_system_memory();
MemoryRegion *sram = g_new(MemoryRegion, 1);
MemoryRegion *flash = g_new(MemoryRegion, 1);
MemoryRegion *flash_alias = g_new(MemoryRegion, 1);
memory_region_init_ram(flash, NULL, "STM32F205.flash", FLASH_SIZE,
&error_abort);
memory_region_init_alias(flash_alias, NULL, "STM32F205.flash.alias",
flash, 0, FLASH_SIZE);
vmstate_register_ram_global(flash);
memory_region_set_readonly(flash, true);
memory_region_set_readonly(flash_alias, true);
memory_region_add_subregion(system_memory, FLASH_BASE_ADDRESS, flash);
memory_region_add_subregion(system_memory, 0, flash_alias);
memory_region_init_ram(sram, NULL, "STM32F205.sram", SRAM_SIZE,
&error_abort);
vmstate_register_ram_global(sram);
memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, sram);
pic = armv7m_init(get_system_memory(), FLASH_SIZE, 96,
s->kernel_filename, s->cpu_model);
/* System configuration controller */
syscfgdev = DEVICE(&s->syscfg);
object_property_set_bool(OBJECT(&s->syscfg), true, "realized", &err);
if (err != NULL) {
error_propagate(errp, err);
return;
}
syscfgbusdev = SYS_BUS_DEVICE(syscfgdev);
sysbus_mmio_map(syscfgbusdev, 0, 0x40013800);
sysbus_connect_irq(syscfgbusdev, 0, pic[71]);
/* Attach UART (uses USART registers) and USART controllers */
for (i = 0; i < STM_NUM_USARTS; i++) {
usartdev = DEVICE(&(s->usart[i]));
object_property_set_bool(OBJECT(&s->usart[i]), true, "realized", &err);
if (err != NULL) {
error_propagate(errp, err);
return;
}
usartbusdev = SYS_BUS_DEVICE(usartdev);
sysbus_mmio_map(usartbusdev, 0, usart_addr[i]);
sysbus_connect_irq(usartbusdev, 0, pic[usart_irq[i]]);
}
/* Timer 2 to 5 */
for (i = 0; i < STM_NUM_TIMERS; i++) {
timerdev = DEVICE(&(s->timer[i]));
qdev_prop_set_uint64(timerdev, "clock-frequency", 1000000000);
object_property_set_bool(OBJECT(&s->timer[i]), true, "realized", &err);
if (err != NULL) {
error_propagate(errp, err);
return;
}
timerbusdev = SYS_BUS_DEVICE(timerdev);
sysbus_mmio_map(timerbusdev, 0, timer_addr[i]);
sysbus_connect_irq(timerbusdev, 0, pic[timer_irq[i]]);
}
}
static Property stm32f205_soc_properties[] = {
DEFINE_PROP_STRING("kernel-filename", STM32F205State, kernel_filename),
DEFINE_PROP_STRING("cpu-model", STM32F205State, cpu_model),
DEFINE_PROP_END_OF_LIST(),
};
static void stm32f205_soc_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->realize = stm32f205_soc_realize;
dc->props = stm32f205_soc_properties;
}
static const TypeInfo stm32f205_soc_info = {
.name = TYPE_STM32F205_SOC,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(STM32F205State),
.instance_init = stm32f205_soc_initfn,
.class_init = stm32f205_soc_class_init,
};
static void stm32f205_soc_types(void)
{
type_register_static(&stm32f205_soc_info);
}
type_init(stm32f205_soc_types)

57
include/hw/arm/stm32f205_soc.h Normal file
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@ -0,0 +1,57 @@
/*
* STM32F205 SoC
*
* Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef HW_ARM_STM32F205SOC_H
#define HW_ARM_STM32F205SOC_H
#include "hw/misc/stm32f2xx_syscfg.h"
#include "hw/timer/stm32f2xx_timer.h"
#include "hw/char/stm32f2xx_usart.h"
#define TYPE_STM32F205_SOC "stm32f205_soc"
#define STM32F205_SOC(obj) \
OBJECT_CHECK(STM32F205State, (obj), TYPE_STM32F205_SOC)
#define STM_NUM_USARTS 6
#define STM_NUM_TIMERS 4
#define FLASH_BASE_ADDRESS 0x08000000
#define FLASH_SIZE (1024 * 1024)
#define SRAM_BASE_ADDRESS 0x20000000
#define SRAM_SIZE (128 * 1024)
typedef struct STM32F205State {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
char *kernel_filename;
char *cpu_model;
STM32F2XXSyscfgState syscfg;
STM32F2XXUsartState usart[STM_NUM_USARTS];
STM32F2XXTimerState timer[STM_NUM_TIMERS];
} STM32F205State;
#endif