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Re: [Qemu-devel] [PATCH v1 4/5] hw/arm: Add the STM32F4xx SoC
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From: |
Philippe Mathieu-Daudé |
|
Subject: |
Re: [Qemu-devel] [PATCH v1 4/5] hw/arm: Add the STM32F4xx SoC |
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Date: |
Mon, 29 Apr 2019 14:43:51 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 |
On 4/29/19 7:33 AM, Alistair Francis wrote:
> Signed-off-by: Alistair Francis <address@hidden>
> ---
> MAINTAINERS | 8 +
> default-configs/arm-softmmu.mak | 1 +
> hw/arm/Kconfig | 3 +
> hw/arm/Makefile.objs | 1 +
> hw/arm/stm32f405_soc.c | 292 ++++++++++++++++++++++++++++++++
> include/hw/arm/stm32f405_soc.h | 70 ++++++++
> 6 files changed, 375 insertions(+)
> create mode 100644 hw/arm/stm32f405_soc.c
> create mode 100644 include/hw/arm/stm32f405_soc.h
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index dabbfccf9c..c9772735cf 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -803,6 +803,14 @@ F: hw/adc/*
> F: hw/ssi/stm32f2xx_spi.c
> F: include/hw/*/stm32*.h
>
> +STM32F405
> +M: Alistair Francis <address@hidden>
> +M: Peter Maydell <address@hidden>
> +S: Maintained
> +F: hw/arm/stm32f405_soc.c
> +F: hw/misc/stm32f4xx_syscfg.c
> +F: hw/misc/stm32f4xx_exti.c
> +
> Netduino 2
> M: Alistair Francis <address@hidden>
> M: Peter Maydell <address@hidden>
> diff --git a/default-configs/arm-softmmu.mak b/default-configs/arm-softmmu.mak
> index 8eb57de211..e079f10624 100644
> --- a/default-configs/arm-softmmu.mak
> +++ b/default-configs/arm-softmmu.mak
> @@ -98,6 +98,7 @@ CONFIG_STM32F2XX_SPI=y
> CONFIG_STM32F205_SOC=y
> CONFIG_STM32F4XX_SYSCFG=y
> CONFIG_STM32F4XX_EXTI=y
> +CONFIG_STM32F405_SOC=y
> CONFIG_NRF51_SOC=y
>
> CONFIG_CMSDK_APB_TIMER=y
> diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
> index d298fbdc89..3a98bce15a 100644
> --- a/hw/arm/Kconfig
> +++ b/hw/arm/Kconfig
> @@ -62,6 +62,9 @@ config RASPI
> config STM32F205_SOC
> bool
>
> +config STM32F405_SOC
> + bool
> +
> config XLNX_ZYNQMP_ARM
> bool
>
> diff --git a/hw/arm/Makefile.objs b/hw/arm/Makefile.objs
> index fa57c7c770..36c3ff54c3 100644
> --- a/hw/arm/Makefile.objs
> +++ b/hw/arm/Makefile.objs
> @@ -26,6 +26,7 @@ obj-$(CONFIG_STRONGARM) += strongarm.o
> obj-$(CONFIG_ALLWINNER_A10) += allwinner-a10.o cubieboard.o
> obj-$(CONFIG_RASPI) += bcm2835_peripherals.o bcm2836.o raspi.o
> obj-$(CONFIG_STM32F205_SOC) += stm32f205_soc.o
> +obj-$(CONFIG_STM32F405_SOC) += stm32f405_soc.o
> obj-$(CONFIG_XLNX_ZYNQMP_ARM) += xlnx-zynqmp.o xlnx-zcu102.o
> obj-$(CONFIG_XLNX_VERSAL) += xlnx-versal.o xlnx-versal-virt.o
> obj-$(CONFIG_FSL_IMX25) += fsl-imx25.o imx25_pdk.o
> diff --git a/hw/arm/stm32f405_soc.c b/hw/arm/stm32f405_soc.c
> new file mode 100644
> index 0000000000..83adec51a2
> --- /dev/null
> +++ b/hw/arm/stm32f405_soc.c
> @@ -0,0 +1,292 @@
> +/*
> + * STM32F405 SoC
> + *
> + * Copyright (c) 2014 Alistair Francis <address@hidden>
2019?
> + *
> + * 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 "qemu/osdep.h"
> +#include "qapi/error.h"
> +#include "qemu-common.h"
> +#include "hw/arm/arm.h"
> +#include "exec/address-spaces.h"
> +#include "hw/arm/stm32f405_soc.h"
> +#include "hw/misc/unimp.h"
> +
> +#define SYSCFG_ADD 0x40013800
> +static const uint32_t usart_addr[] = { 0x40011000, 0x40004400, 0x40004800,
> + 0x40004C00, 0x40005000, 0x40011400,
> + 0x40007800, 0x40007C00 };
> +/* At the moment only Timer 2 to 5 are modelled */
> +static const uint32_t timer_addr[] = { 0x40000000, 0x40000400,
> + 0x40000800, 0x40000C00 };
> +#define ADC_ADDR 0x40012000
> +static const uint32_t spi_addr[] = { 0x40013000, 0x40003800, 0x40003C00,
> + 0x40013400, 0x40015000, 0x40015400 };
> +#define EXTI_ADDR 0x40013C00
> +
> +#define SYSCFG_IRQ 71
> +static const int usart_irq[] = { 37, 38, 39, 52, 53, 71, 82, 83 };
> +static const int timer_irq[] = { 28, 29, 30, 50 };
> +#define ADC_IRQ 18
> +static const int spi_irq[] = { 35, 36, 51, 0, 0, 0 };
> +static const int exti_irq[] = { 6, 7, 8, 9, 10, 23, 23, 23, 23, 23, 40,
> + 40, 40, 40, 40, 40} ;
> +
> +
> +static void stm32f405_soc_initfn(Object *obj)
> +{
> + STM32F405State *s = STM32F405_SOC(obj);
> + int i;
> +
> + sysbus_init_child_obj(obj, "armv7m", &s->armv7m, sizeof(s->armv7m),
> + TYPE_ARMV7M);
> +
> + sysbus_init_child_obj(obj, "syscfg", &s->syscfg, sizeof(s->syscfg),
> + TYPE_STM32F4XX_SYSCFG);
> +
> + for (i = 0; i < STM_NUM_USARTS; i++) {
> + sysbus_init_child_obj(obj, "usart[*]", &s->usart[i],
> + sizeof(s->usart[i]), TYPE_STM32F2XX_USART);
> + }
> +
> + for (i = 0; i < STM_NUM_TIMERS; i++) {
> + sysbus_init_child_obj(obj, "timer[*]", &s->timer[i],
> + sizeof(s->timer[i]), TYPE_STM32F2XX_TIMER);
> + }
> +
> + s->adc_irqs = OR_IRQ(object_new(TYPE_OR_IRQ));
> +
> + for (i = 0; i < STM_NUM_ADCS; i++) {
> + sysbus_init_child_obj(obj, "adc[*]", &s->adc[i], sizeof(s->adc[i]),
> + TYPE_STM32F2XX_ADC);
> + }
> +
> + for (i = 0; i < STM_NUM_SPIS; i++) {
> + sysbus_init_child_obj(obj, "spi[*]", &s->spi[i], sizeof(s->spi[i]),
> + TYPE_STM32F2XX_SPI);
> + }
> +
> + sysbus_init_child_obj(obj, "exti", &s->exti, sizeof(s->exti),
> + TYPE_STM32F4XX_EXTI);
> +}
> +
> +static void stm32f405_soc_realize(DeviceState *dev_soc, Error **errp)
> +{
> + STM32F405State *s = STM32F405_SOC(dev_soc);
> + DeviceState *dev, *armv7m;
> + SysBusDevice *busdev;
> + 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, "STM32F405.flash", FLASH_SIZE,
> + &error_fatal);
> + memory_region_init_alias(flash_alias, NULL, "STM32F405.flash.alias",
> + flash, 0, FLASH_SIZE);
> +
> + 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, "STM32F405.sram", SRAM_SIZE,
> + &error_fatal);
> + memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, sram);
> +
> + armv7m = DEVICE(&s->armv7m);
> + qdev_prop_set_uint32(armv7m, "num-irq", 96);
> + qdev_prop_set_string(armv7m, "cpu-type", s->cpu_type);
> + qdev_prop_set_bit(armv7m, "enable-bitband", true);
> + object_property_set_link(OBJECT(&s->armv7m), OBJECT(get_system_memory()),
> + "memory", &error_abort);
> + object_property_set_bool(OBJECT(&s->armv7m), true, "realized", &err);
> + if (err != NULL) {
> + error_propagate(errp, err);
> + return;
> + }
> +
> + /* System configuration controller */
> + dev = DEVICE(&s->syscfg);
> + object_property_set_bool(OBJECT(&s->syscfg), true, "realized", &err);
> + if (err != NULL) {
> + error_propagate(errp, err);
> + return;
> + }
> + busdev = SYS_BUS_DEVICE(dev);
> + sysbus_mmio_map(busdev, 0, SYSCFG_ADD);
> + sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, SYSCFG_IRQ));
> +
> + /* Attach UART (uses USART registers) and USART controllers */
> + for (i = 0; i < STM_NUM_USARTS; i++) {
> + dev = DEVICE(&(s->usart[i]));
> + qdev_prop_set_chr(dev, "chardev", serial_hd(i));
> + object_property_set_bool(OBJECT(&s->usart[i]), true, "realized",
> &err);
> + if (err != NULL) {
> + error_propagate(errp, err);
> + return;
> + }
> + busdev = SYS_BUS_DEVICE(dev);
> + sysbus_mmio_map(busdev, 0, usart_addr[i]);
> + sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m,
> usart_irq[i]));
> + }
> +
> + /* Timer 2 to 5 */
> + for (i = 0; i < STM_NUM_TIMERS; i++) {
> + dev = DEVICE(&(s->timer[i]));
> + qdev_prop_set_uint64(dev, "clock-frequency", 1000000000);
> + object_property_set_bool(OBJECT(&s->timer[i]), true, "realized",
> &err);
> + if (err != NULL) {
> + error_propagate(errp, err);
> + return;
> + }
> + busdev = SYS_BUS_DEVICE(dev);
> + sysbus_mmio_map(busdev, 0, timer_addr[i]);
> + sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m,
> timer_irq[i]));
> + }
> +
> + /* ADC device, the IRQs are ORed together */
> + object_property_set_int(OBJECT(s->adc_irqs), STM_NUM_ADCS,
> + "num-lines", &err);
> + object_property_set_bool(OBJECT(s->adc_irqs), true, "realized", &err);
> + if (err != NULL) {
> + error_propagate(errp, err);
> + return;
> + }
> + qdev_connect_gpio_out(DEVICE(s->adc_irqs), 0,
> + qdev_get_gpio_in(armv7m, ADC_IRQ));
> +
> + dev = DEVICE(&(s->adc[i]));
> + object_property_set_bool(OBJECT(&s->adc[i]), true, "realized", &err);
> + if (err != NULL) {
> + error_propagate(errp, err);
> + return;
> + }
> + busdev = SYS_BUS_DEVICE(dev);
> + sysbus_mmio_map(busdev, 0, ADC_ADDR);
> + sysbus_connect_irq(busdev, 0,
> + qdev_get_gpio_in(DEVICE(s->adc_irqs), i));
> +
> + /* SPI devices */
> + for (i = 0; i < STM_NUM_SPIS; i++) {
> + dev = DEVICE(&(s->spi[i]));
> + object_property_set_bool(OBJECT(&s->spi[i]), true, "realized", &err);
> + if (err != NULL) {
> + error_propagate(errp, err);
> + return;
> + }
> + busdev = SYS_BUS_DEVICE(dev);
> + sysbus_mmio_map(busdev, 0, spi_addr[i]);
> + sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, spi_irq[i]));
> + }
> +
> + /* EXTI device */
> + dev = DEVICE(&s->exti);
> + object_property_set_bool(OBJECT(&s->exti), true, "realized", &err);
> + if (err != NULL) {
> + error_propagate(errp, err);
> + return;
> + }
> + busdev = SYS_BUS_DEVICE(dev);
> + sysbus_mmio_map(busdev, 0, EXTI_ADDR);
> + for (i = 0; i < 16; i++) {
> + sysbus_connect_irq(busdev, i, qdev_get_gpio_in(armv7m, exti_irq[i]));
> + }
> + for (i = 0; i < 16; i++) {
> + qdev_connect_gpio_out(DEVICE(&s->syscfg), i, qdev_get_gpio_in(dev,
> i));
> + }
> +
> + create_unimplemented_device("timer[6]", 0x40001000, 0x400 - 1);
You shouldn't need to remove the last byte...
> + create_unimplemented_device("timer[7]", 0x40001400, 0x400 - 1);
> + create_unimplemented_device("timer[12]", 0x40001800, 0x400 - 1);
> + create_unimplemented_device("timer[13]", 0x40001C00, 0x400 - 1);
> + create_unimplemented_device("timer[14]", 0x40002000, 0x400 - 1);
> + create_unimplemented_device("RTC and BKP", 0x40002800, 0x400 - 1);
> + create_unimplemented_device("WWDG", 0x40002C00, 0x400 - 1);
> + create_unimplemented_device("IWDG", 0x40003000, 0x400 - 1);
> + create_unimplemented_device("I2S2ext", 0x40003000, 0x400 - 1);
> + create_unimplemented_device("I2S3ext", 0x40004000, 0x400 - 1);
> + create_unimplemented_device("I2C1", 0x40005400, 0x400 - 1);
> + create_unimplemented_device("I2C2", 0x40005800, 0x400 - 1);
> + create_unimplemented_device("I2C3", 0x40005C00, 0x400 - 1);
> + create_unimplemented_device("CAN1", 0x40006400, 0x400 - 1);
> + create_unimplemented_device("CAN2", 0x40006800, 0x400 - 1);
> + create_unimplemented_device("PWR", 0x40007000, 0x400 - 1);
> + create_unimplemented_device("DAC", 0x40007400, 0x400 - 1);
> + create_unimplemented_device("timer[1]", 0x40010000, 0x400 - 1);
> + create_unimplemented_device("timer[8]", 0x40010400, 0x400 - 1);
> + create_unimplemented_device("SDIO", 0x40012C00, 0x400 - 1);
> + create_unimplemented_device("timer[9]", 0x40014000, 0x400 - 1);
> + create_unimplemented_device("timer[10]", 0x40014400, 0x400 - 1);
> + create_unimplemented_device("timer[11]", 0x40014800, 0x400 - 1);
> + create_unimplemented_device("GPIOA", 0x40020000, 0x400 - 1);
> + create_unimplemented_device("GPIOB", 0x40020400, 0x400 - 1);
> + create_unimplemented_device("GPIOC", 0x40020800, 0x400 - 1);
> + create_unimplemented_device("GPIOD", 0x40020C00, 0x400 - 1);
> + create_unimplemented_device("GPIOE", 0x40021000, 0x400 - 1);
> + create_unimplemented_device("GPIOF", 0x40021400, 0x400 - 1);
> + create_unimplemented_device("GPIOG", 0x40021800, 0x400 - 1);
> + create_unimplemented_device("GPIOH", 0x40021C00, 0x400 - 1);
> + create_unimplemented_device("GPIOI", 0x40022000, 0x400 - 1);
> + create_unimplemented_device("CRC", 0x40023000, 0x400 - 1);
> + create_unimplemented_device("RCC", 0x40023800, 0x400 - 1);
> + create_unimplemented_device("Flash Int", 0x40023C00, 0x400 - 1);
> + create_unimplemented_device("BKPSRAM", 0x40024000, 0x400 - 1);
> + create_unimplemented_device("DMA1", 0x40026000, 0x400 - 1);
> + create_unimplemented_device("DMA2", 0x40026400, 0x400 - 1);
> + create_unimplemented_device("Ethernet", 0x40028000, 0x1400 - 1);
> + create_unimplemented_device("USB OTG HS", 0x40040000, 0x30000 - 1);
> + create_unimplemented_device("USB OTG FS", 0x50000000, 0x31000 - 1);
> + create_unimplemented_device("DCMI", 0x50050000, 0x400 - 1);
> + create_unimplemented_device("RNG", 0x50060800, 0x400 - 1);
> +}
> +
> +static Property stm32f405_soc_properties[] = {
> + DEFINE_PROP_STRING("cpu-type", STM32F405State, cpu_type),
> + DEFINE_PROP_END_OF_LIST(),
> +};
> +
> +static void stm32f405_soc_class_init(ObjectClass *klass, void *data)
> +{
> + DeviceClass *dc = DEVICE_CLASS(klass);
> +
> + dc->realize = stm32f405_soc_realize;
> + dc->props = stm32f405_soc_properties;
> +}
> +
> +static const TypeInfo stm32f405_soc_info = {
> + .name = TYPE_STM32F405_SOC,
> + .parent = TYPE_SYS_BUS_DEVICE,
> + .instance_size = sizeof(STM32F405State),
> + .instance_init = stm32f405_soc_initfn,
> + .class_init = stm32f405_soc_class_init,
> +};
> +
> +static void stm32f405_soc_types(void)
> +{
> + type_register_static(&stm32f405_soc_info);
> +}
> +
> +type_init(stm32f405_soc_types)
> diff --git a/include/hw/arm/stm32f405_soc.h b/include/hw/arm/stm32f405_soc.h
> new file mode 100644
> index 0000000000..f0aec53d32
> --- /dev/null
> +++ b/include/hw/arm/stm32f405_soc.h
> @@ -0,0 +1,70 @@
> +/*
> + * STM32F405 SoC
> + *
> + * Copyright (c) 2014 Alistair Francis <address@hidden>
> + *
> + * 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_STM32F405_SOC_H
> +#define HW_ARM_STM32F405_SOC_H
> +
> +#include "hw/misc/stm32f4xx_syscfg.h"
> +#include "hw/timer/stm32f2xx_timer.h"
> +#include "hw/char/stm32f2xx_usart.h"
> +#include "hw/adc/stm32f2xx_adc.h"
> +#include "hw/misc/stm32f4xx_exti.h"
> +#include "hw/or-irq.h"
> +#include "hw/ssi/stm32f2xx_spi.h"
> +#include "hw/arm/armv7m.h"
> +
> +#define TYPE_STM32F405_SOC "stm32f405-soc"
> +#define STM32F405_SOC(obj) \
> + OBJECT_CHECK(STM32F405State, (obj), TYPE_STM32F405_SOC)
> +
> +#define STM_NUM_USARTS 7
> +#define STM_NUM_TIMERS 4
> +#define STM_NUM_ADCS 6
> +#define STM_NUM_SPIS 6
> +
> +#define FLASH_BASE_ADDRESS 0x08000000
> +#define FLASH_SIZE (1024 * 1024)
> +#define SRAM_BASE_ADDRESS 0x20000000
> +#define SRAM_SIZE (192 * 1024)
> +
> +typedef struct STM32F405State {
> + /*< private >*/
> + SysBusDevice parent_obj;
> + /*< public >*/
> +
> + char *cpu_type;
> +
> + ARMv7MState armv7m;
> +
> + STM32F4xxSyscfgState syscfg;
> + STM32F4xxExtiState exti;
> + STM32F2XXUsartState usart[STM_NUM_USARTS];
> + STM32F2XXTimerState timer[STM_NUM_TIMERS];
> + STM32F2XXADCState adc[STM_NUM_ADCS];
> + STM32F2XXSPIState spi[STM_NUM_SPIS];
> +
> + qemu_or_irq *adc_irqs;
> +} STM32F405State;
> +
> +#endif
>