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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37d7fa7a06dsm1241635f8f.5.2024.10.15.03.38.10 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Oct 2024 03:38:10 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 03/28] hw/arm/stm32f405: Add RCC device to stm32f405 SoC Date: Tue, 15 Oct 2024 11:37:43 +0100 Message-Id: <20241015103808.133024-4-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241015103808.133024-1-peter.maydell@linaro.org> References: <20241015103808.133024-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::435; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x435.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org From: Román Cárdenas Rodríguez Add the reset and clock controller device to the stm32f405 SoC. Signed-off-by: Roman Cardenas Rodriguez [PMM: tweak commit message] Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- docs/system/arm/stm32.rst | 3 ++- include/hw/arm/stm32f405_soc.h | 2 ++ hw/arm/stm32f405_soc.c | 12 +++++++++++- hw/arm/Kconfig | 1 + 4 files changed, 16 insertions(+), 2 deletions(-) diff --git a/docs/system/arm/stm32.rst b/docs/system/arm/stm32.rst index 3b640f3ee07..ca7a55841b4 100644 --- a/docs/system/arm/stm32.rst +++ b/docs/system/arm/stm32.rst @@ -36,6 +36,7 @@ Supported devices * SPI controller * System configuration (SYSCFG) * Timer controller (TIMER) + * Reset and Clock Controller (RCC) (STM32F4 only, reset and enable only) Missing devices --------------- @@ -53,7 +54,7 @@ Missing devices * Power supply configuration (PWR) * Random Number Generator (RNG) * Real-Time Clock (RTC) controller - * Reset and Clock Controller (RCC) + * Reset and Clock Controller (RCC) (other features than reset and enable) * Secure Digital Input/Output (SDIO) interface * USB OTG * Watchdog controller (IWDG, WWDG) diff --git a/include/hw/arm/stm32f405_soc.h b/include/hw/arm/stm32f405_soc.h index d15c03c4b5d..2eeada64ded 100644 --- a/include/hw/arm/stm32f405_soc.h +++ b/include/hw/arm/stm32f405_soc.h @@ -25,6 +25,7 @@ #ifndef HW_ARM_STM32F405_SOC_H #define HW_ARM_STM32F405_SOC_H +#include "hw/misc/stm32_rcc.h" #include "hw/misc/stm32f4xx_syscfg.h" #include "hw/timer/stm32f2xx_timer.h" #include "hw/char/stm32f2xx_usart.h" @@ -55,6 +56,7 @@ struct STM32F405State { ARMv7MState armv7m; + STM32RccState rcc; STM32F4xxSyscfgState syscfg; STM32F4xxExtiState exti; STM32F2XXUsartState usart[STM_NUM_USARTS]; diff --git a/hw/arm/stm32f405_soc.c b/hw/arm/stm32f405_soc.c index 2ad5b79a069..72ae62156f3 100644 --- a/hw/arm/stm32f405_soc.c +++ b/hw/arm/stm32f405_soc.c @@ -30,6 +30,7 @@ #include "hw/qdev-clock.h" #include "hw/misc/unimp.h" +#define RCC_ADDR 0x40023800 #define SYSCFG_ADD 0x40013800 static const uint32_t usart_addr[] = { 0x40011000, 0x40004400, 0x40004800, 0x40004C00, 0x40005000, 0x40011400, @@ -59,6 +60,8 @@ static void stm32f405_soc_initfn(Object *obj) object_initialize_child(obj, "armv7m", &s->armv7m, TYPE_ARMV7M); + object_initialize_child(obj, "rcc", &s->rcc, TYPE_STM32_RCC); + object_initialize_child(obj, "syscfg", &s->syscfg, TYPE_STM32F4XX_SYSCFG); for (i = 0; i < STM_NUM_USARTS; i++) { @@ -160,6 +163,14 @@ static void stm32f405_soc_realize(DeviceState *dev_soc, Error **errp) return; } + /* Reset and clock controller */ + dev = DEVICE(&s->rcc); + if (!sysbus_realize(SYS_BUS_DEVICE(&s->rcc), errp)) { + return; + } + busdev = SYS_BUS_DEVICE(dev); + sysbus_mmio_map(busdev, 0, RCC_ADDR); + /* System configuration controller */ dev = DEVICE(&s->syscfg); if (!sysbus_realize(SYS_BUS_DEVICE(&s->syscfg), errp)) { @@ -276,7 +287,6 @@ static void stm32f405_soc_realize(DeviceState *dev_soc, Error **errp) create_unimplemented_device("GPIOH", 0x40021C00, 0x400); create_unimplemented_device("GPIOI", 0x40022000, 0x400); create_unimplemented_device("CRC", 0x40023000, 0x400); - create_unimplemented_device("RCC", 0x40023800, 0x400); create_unimplemented_device("Flash Int", 0x40023C00, 0x400); create_unimplemented_device("BKPSRAM", 0x40024000, 0x400); create_unimplemented_device("DMA1", 0x40026000, 0x400); diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index e7b9cfb59c0..f1e981622a1 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -397,6 +397,7 @@ config STM32F405_SOC bool select ARM_V7M select OR_IRQ + select STM32_RCC select STM32F4XX_SYSCFG select STM32F4XX_EXTI