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[213.67.202.254]) by smtp.googlemail.com with ESMTPSA id u3-20020a2e9f03000000b002a2b9d9429esm1427773ljk.117.2023.03.26.13.23.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 26 Mar 2023 13:23:16 -0700 (PDT) From: Strahinja Jankovic X-Google-Original-From: Strahinja Jankovic To: Peter Maydell Cc: Beniamino Galvani , Niek Linnenbank , qemu-arm@nongnu.org, qemu-devel@nongnu.org, Strahinja Jankovic Subject: [PATCH v3 3/4] hw/arm: Add WDT to Allwinner-H3 and Orangepi-PC Date: Sun, 26 Mar 2023 22:22:55 +0200 Message-Id: <20230326202256.22980-4-strahinja.p.jankovic@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230326202256.22980-1-strahinja.p.jankovic@gmail.com> References: <20230326202256.22980-1-strahinja.p.jankovic@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::129; envelope-from=strahinjapjankovic@gmail.com; helo=mail-lf1-x129.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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, WEIRD_QUOTING=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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This patch adds WDT to Allwinner-H3 and Orangepi-PC. WDT is added as an overlay to the Timer module memory area. Signed-off-by: Strahinja Jankovic Reviewed-by: Niek Linnenbank --- docs/system/arm/orangepi.rst | 1 + hw/arm/Kconfig | 1 + hw/arm/allwinner-h3.c | 8 ++++++++ include/hw/arm/allwinner-h3.h | 5 ++++- 4 files changed, 14 insertions(+), 1 deletion(-) diff --git a/docs/system/arm/orangepi.rst b/docs/system/arm/orangepi.rst index e5973600a1..9afa54213b 100644 --- a/docs/system/arm/orangepi.rst +++ b/docs/system/arm/orangepi.rst @@ -26,6 +26,7 @@ The Orange Pi PC machine supports the following devices: * System Control module * Security Identifier device * TWI (I2C) + * Watchdog timer Limitations """"""""""" diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index ec15248536..7d916f5450 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -337,6 +337,7 @@ config ALLWINNER_H3 select ALLWINNER_A10_PIT select ALLWINNER_SUN8I_EMAC select ALLWINNER_I2C + select ALLWINNER_WDT select SERIAL select ARM_TIMER select ARM_GIC diff --git a/hw/arm/allwinner-h3.c b/hw/arm/allwinner-h3.c index 69d0ad6f50..f05afddf7e 100644 --- a/hw/arm/allwinner-h3.c +++ b/hw/arm/allwinner-h3.c @@ -49,6 +49,7 @@ const hwaddr allwinner_h3_memmap[] = { [AW_H3_DEV_OHCI3] = 0x01c1d400, [AW_H3_DEV_CCU] = 0x01c20000, [AW_H3_DEV_PIT] = 0x01c20c00, + [AW_H3_DEV_WDT] = 0x01c20ca0, [AW_H3_DEV_UART0] = 0x01c28000, [AW_H3_DEV_UART1] = 0x01c28400, [AW_H3_DEV_UART2] = 0x01c28800, @@ -234,6 +235,8 @@ static void allwinner_h3_init(Object *obj) object_initialize_child(obj, "twi1", &s->i2c1, TYPE_AW_I2C_SUN6I); object_initialize_child(obj, "twi2", &s->i2c2, TYPE_AW_I2C_SUN6I); object_initialize_child(obj, "r_twi", &s->r_twi, TYPE_AW_I2C_SUN6I); + + object_initialize_child(obj, "wdt", &s->wdt, TYPE_AW_WDT_SUN6I); } static void allwinner_h3_realize(DeviceState *dev, Error **errp) @@ -453,6 +456,11 @@ static void allwinner_h3_realize(DeviceState *dev, Error **errp) sysbus_connect_irq(SYS_BUS_DEVICE(&s->r_twi), 0, qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_R_TWI)); + /* WDT */ + sysbus_realize(SYS_BUS_DEVICE(&s->wdt), &error_fatal); + sysbus_mmio_map_overlap(SYS_BUS_DEVICE(&s->wdt), 0, + s->memmap[AW_H3_DEV_WDT], 1); + /* Unimplemented devices */ for (i = 0; i < ARRAY_SIZE(unimplemented); i++) { create_unimplemented_device(unimplemented[i].device_name, diff --git a/include/hw/arm/allwinner-h3.h b/include/hw/arm/allwinner-h3.h index 59e0f822d2..f15d6d7cc7 100644 --- a/include/hw/arm/allwinner-h3.h +++ b/include/hw/arm/allwinner-h3.h @@ -48,6 +48,7 @@ #include "hw/net/allwinner-sun8i-emac.h" #include "hw/rtc/allwinner-rtc.h" #include "hw/i2c/allwinner-i2c.h" +#include "hw/watchdog/allwinner-wdt.h" #include "target/arm/cpu.h" #include "sysemu/block-backend.h" @@ -96,7 +97,8 @@ enum { AW_H3_DEV_RTC, AW_H3_DEV_CPUCFG, AW_H3_DEV_R_TWI, - AW_H3_DEV_SDRAM + AW_H3_DEV_SDRAM, + AW_H3_DEV_WDT }; /** Total number of CPU cores in the H3 SoC */ @@ -141,6 +143,7 @@ struct AwH3State { AWI2CState r_twi; AwSun8iEmacState emac; AwRtcState rtc; + AwWdtState wdt; GICState gic; MemoryRegion sram_a1; MemoryRegion sram_a2; -- 2.30.2