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| author | Inès Varhol <ines.varhol@telecom-paris.fr> | 2024-01-09 17:06:03 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2024-01-15 17:12:22 +0000 |
| commit | 52671f69f7a4cdc235903fd9005ac4b2e4770593 (patch) | |
| tree | 50e9f5e58b56e4adc48a97dac3a8811061b736e8 /hw | |
| parent | c9948fdd023dd2031d868c8e26f387e6705c918c (diff) | |
| download | qemu-52671f69f7a4cdc235903fd9005ac4b2e4770593.zip qemu-52671f69f7a4cdc235903fd9005ac4b2e4770593.tar.gz qemu-52671f69f7a4cdc235903fd9005ac4b2e4770593.tar.bz2 | |
hw/arm: Connect STM32L4x5 EXTI to STM32L4x5 SoC
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Arnaud Minier <arnaud.minier@telecom-paris.fr>
Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr>
Message-id: 20240109160658.311932-3-ines.varhol@telecom-paris.fr
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/arm/Kconfig | 1 | ||||
| -rw-r--r-- | hw/arm/stm32l4x5_soc.c | 52 |
2 files changed, 52 insertions, 1 deletions
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index 39d2554..da9c6e5 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -459,6 +459,7 @@ config STM32L4X5_SOC bool select ARM_V7M select OR_IRQ + select STM32L4X5_EXTI config XLNX_ZYNQMP_ARM bool diff --git a/hw/arm/stm32l4x5_soc.c b/hw/arm/stm32l4x5_soc.c index 159d531..756eb69 100644 --- a/hw/arm/stm32l4x5_soc.c +++ b/hw/arm/stm32l4x5_soc.c @@ -36,10 +36,51 @@ #define SRAM2_BASE_ADDRESS 0x10000000 #define SRAM2_SIZE (32 * KiB) +#define EXTI_ADDR 0x40010400 + +#define NUM_EXTI_IRQ 40 +/* Match exti line connections with their CPU IRQ number */ +/* See Vector Table (Reference Manual p.396) */ +static const int exti_irq[NUM_EXTI_IRQ] = { + 6, /* GPIO[0] */ + 7, /* GPIO[1] */ + 8, /* GPIO[2] */ + 9, /* GPIO[3] */ + 10, /* GPIO[4] */ + 23, 23, 23, 23, 23, /* GPIO[5..9] */ + 40, 40, 40, 40, 40, 40, /* GPIO[10..15] */ + 1, /* PVD */ + 67, /* OTG_FS_WKUP, Direct */ + 41, /* RTC_ALARM */ + 2, /* RTC_TAMP_STAMP2/CSS_LSE */ + 3, /* RTC wakeup timer */ + 63, /* COMP1 */ + 63, /* COMP2 */ + 31, /* I2C1 wakeup, Direct */ + 33, /* I2C2 wakeup, Direct */ + 72, /* I2C3 wakeup, Direct */ + 37, /* USART1 wakeup, Direct */ + 38, /* USART2 wakeup, Direct */ + 39, /* USART3 wakeup, Direct */ + 52, /* UART4 wakeup, Direct */ + 53, /* UART4 wakeup, Direct */ + 70, /* LPUART1 wakeup, Direct */ + 65, /* LPTIM1, Direct */ + 66, /* LPTIM2, Direct */ + 76, /* SWPMI1 wakeup, Direct */ + 1, /* PVM1 wakeup */ + 1, /* PVM2 wakeup */ + 1, /* PVM3 wakeup */ + 1, /* PVM4 wakeup */ + 78 /* LCD wakeup, Direct */ +}; + static void stm32l4x5_soc_initfn(Object *obj) { Stm32l4x5SocState *s = STM32L4X5_SOC(obj); + object_initialize_child(obj, "exti", &s->exti, TYPE_STM32L4X5_EXTI); + s->sysclk = qdev_init_clock_in(DEVICE(s), "sysclk", NULL, NULL, 0); s->refclk = qdev_init_clock_in(DEVICE(s), "refclk", NULL, NULL, 0); } @@ -51,6 +92,7 @@ static void stm32l4x5_soc_realize(DeviceState *dev_soc, Error **errp) const Stm32l4x5SocClass *sc = STM32L4X5_SOC_GET_CLASS(dev_soc); MemoryRegion *system_memory = get_system_memory(); DeviceState *armv7m; + SysBusDevice *busdev; /* * We use s->refclk internally and only define it with qdev_init_clock_in() @@ -113,6 +155,15 @@ static void stm32l4x5_soc_realize(DeviceState *dev_soc, Error **errp) return; } + busdev = SYS_BUS_DEVICE(&s->exti); + if (!sysbus_realize(busdev, errp)) { + return; + } + sysbus_mmio_map(busdev, 0, EXTI_ADDR); + for (unsigned i = 0; i < NUM_EXTI_IRQ; i++) { + sysbus_connect_irq(busdev, i, qdev_get_gpio_in(armv7m, exti_irq[i])); + } + /* APB1 BUS */ create_unimplemented_device("TIM2", 0x40000000, 0x400); create_unimplemented_device("TIM3", 0x40000400, 0x400); @@ -153,7 +204,6 @@ static void stm32l4x5_soc_realize(DeviceState *dev_soc, Error **errp) create_unimplemented_device("SYSCFG", 0x40010000, 0x30); create_unimplemented_device("VREFBUF", 0x40010030, 0x1D0); create_unimplemented_device("COMP", 0x40010200, 0x200); - create_unimplemented_device("EXTI", 0x40010400, 0x400); /* RESERVED: 0x40010800, 0x1400 */ create_unimplemented_device("FIREWALL", 0x40011C00, 0x400); /* RESERVED: 0x40012000, 0x800 */ |