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Fri, 29 May 2026 06:42:56 +0000 From: Jamin Lin To: =?iso-8859-1?Q?C=E9dric_Le_Goater?= , Peter Maydell , Steven Lee , Troy Lee , Kane Chen , Andrew Jeffery , Joel Stanley , "open list:ASPEED BMCs" , "open list:All patches CC here" CC: Jamin Lin , Troy Lee Subject: [PATCH v1 10/10] hw/arm/aspeed_ast1040: Reuse AST2700 watchdog models Thread-Topic: [PATCH v1 10/10] hw/arm/aspeed_ast1040: Reuse AST2700 watchdog models Thread-Index: AQHc7zZh9Yt0b0PXHEqco10tDB04NQ== Date: Fri, 29 May 2026 06:42:56 +0000 Message-ID: <20260529064243.2064188-11-jamin_lin@aspeedtech.com> References: <20260529064243.2064188-1-jamin_lin@aspeedtech.com> In-Reply-To: <20260529064243.2064188-1-jamin_lin@aspeedtech.com> Accept-Language: zh-TW, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=aspeedtech.com; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: TYPPR06MB8206:EE_|TYNPR06MB8451:EE_ x-ms-office365-filtering-correlation-id: 91dc1f0f-244a-4240-013c-08debd4d846d x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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envelope-from=jamin_lin@aspeedtech.com; helo=SEYPR02CU001.outbound.protection.outlook.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, SPF_HELO_PASS=-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: qemu development 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 Instantiate and realize the watchdog models for the AST1040 SoC.=0A= =0A= The AST1040 watchdog controller is compatible with the AST2700 watchdog=0A= controller, so reuse the existing AST2700 watchdog model.=0A= =0A= Configure the AST1040 SoC with 8 watchdog instances and map them to=0A= their corresponding MMIO regions. The first watchdog controller (WDT0) is= =0A= located at 0x74c37000, with subsequent watchdogs placed according to the=0A= controller register space size.=0A= =0A= Each watchdog is linked to the SCU device before realization to provide the= =0A= required reset and system control interactions.=0A= =0A= Signed-off-by: Jamin Lin =0A= ---=0A= hw/arm/aspeed_ast1040.c | 19 +++++++++++++++++++=0A= 1 file changed, 19 insertions(+)=0A= =0A= diff --git a/hw/arm/aspeed_ast1040.c b/hw/arm/aspeed_ast1040.c=0A= index a4fe0658d5..edf28c62f9 100644=0A= --- a/hw/arm/aspeed_ast1040.c=0A= +++ b/hw/arm/aspeed_ast1040.c=0A= @@ -127,6 +127,11 @@ static void aspeed_soc_ast1040_init(Object *obj)=0A= snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname);=0A= object_initialize_child(obj, "i2c", &s->i2c, typename);=0A= =0A= + for (i =3D 0; i < sc->wdts_num; i++) {=0A= + object_initialize_child(obj, "wdt[*]", &s->wdt[i],=0A= + "aspeed.wdt-ast2700");=0A= + }=0A= +=0A= object_initialize_child(obj, "pwm", &s->pwm, TYPE_UNIMPLEMENTED_DEVICE= );=0A= object_initialize_child(obj, "espi", &s->espi, TYPE_UNIMPLEMENTED_DEVI= CE);=0A= object_initialize_child(obj, "udc", &s->udc, TYPE_UNIMPLEMENTED_DEVICE= );=0A= @@ -257,6 +262,19 @@ static void aspeed_soc_ast1040_realize(DeviceState *de= v_soc, Error **errp)=0A= sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c.busses[i]), 0, irq);=0A= }=0A= =0A= + /* Watch dog */=0A= + for (i =3D 0; i < sc->wdts_num; i++) {=0A= + AspeedWDTClass *awc =3D ASPEED_WDT_GET_CLASS(&s->wdt[i]);=0A= + hwaddr wdt_offset =3D sc->memmap[ASPEED_DEV_WDT] + i * awc->iosize= ;=0A= +=0A= + object_property_set_link(OBJECT(&s->wdt[i]), "scu", OBJECT(&s->scu= ),=0A= + &error_abort);=0A= + if (!sysbus_realize(SYS_BUS_DEVICE(&s->wdt[i]), errp)) {=0A= + return;=0A= + }=0A= + aspeed_mmio_map(s->memory, SYS_BUS_DEVICE(&s->wdt[i]), 0, wdt_offs= et);=0A= + }=0A= +=0A= /* Unimplemented peripherals */=0A= aspeed_mmio_map_unimplemented(s->memory, SYS_BUS_DEVICE(&s->pwm),=0A= "aspeed.pwm",=0A= @@ -298,6 +316,7 @@ static void aspeed_soc_ast1040_class_init(ObjectClass *= klass, const void *data)=0A= sc->sram_size[1] =3D 16 * MiB; /* Hyper RAM */=0A= sc->uarts_num =3D 13;=0A= sc->sgpio_num =3D 2;=0A= + sc->wdts_num =3D 8;=0A= sc->uarts_base =3D ASPEED_DEV_UART0;=0A= sc->irqmap =3D aspeed_soc_ast1040_irqmap;=0A= sc->memmap =3D aspeed_soc_ast1040_memmap;=0A= -- =0A= 2.43.0=0A=