From nobody Sat Sep 21 05:37:03 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1689614592; cv=none; d=zohomail.com; s=zohoarc; b=JbhZrcwC5h86BXoFO4QU1v0UsOkXiHH9zBGRLL/KgzD39822pjgO4toFkPLVaq5O/VC7IBvhEGEFzuNgd04/LiFQu3nJuktHsqdNT84jsvea2kNK67O1KA4GEaf082PcVRbvd9FErn1lg6LERy5JmP1DMsgmsNmalH4ur8yKI70= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1689614592; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=VRH+ZQ3Cp2mNkaZ60tC/cCdOr2Ba7kbY9S/zy4nNg1Y=; b=kniQ+OM+splI3hvmMqajtLamoBU9HKiox+FI/4rvjBYYEiZ5+al9hCEKLKXP0H5FZqWHiq8s48WMYDn5KQeRNme3+2+WCmY1LzbFLPW6erLwSCPdJCZXuzCsDekdbLEZngT4DRWR3hltKMnvi3zeDTDfjHg9pCB/yl5pw5ZfmUo= ARC-Authentication-Results: i=1; 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Tue, 18 Jul 2023 01:19:36 +0800 (CST) Received: from SecurePC-101-06.china.huawei.com (10.122.247.231) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Mon, 17 Jul 2023 18:22:51 +0100 To: , Dan Williams , CC: , Alison Schofield , Ira Weiny , Dave Jiang , Davidlohr Bueso , Viacheslav Dubeyko , Shesha Bhushan Sreenivasamurthy , Fan Ni , Michael Tsirkin , Jonathan Zhang , Klaus Jensen Subject: [RFC PATCH 12/17] HACK: hw/arm/virt: Add ACPI support for aspeed-i2c / mctp Date: Mon, 17 Jul 2023 18:16:41 +0100 Message-ID: <20230717171646.8972-13-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230717171646.8972-1-Jonathan.Cameron@huawei.com> References: <20230717171646.8972-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.122.247.231] X-ClientProxiedBy: lhrpeml500004.china.huawei.com (7.191.163.9) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CFilter-Loop: Reflected Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: , Reply-to: Jonathan Cameron From: Jonathan Cameron via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1689614593472100001 Content-Type: text/plain; charset="utf-8" Enable this for FM-API testing for CXL devices via MCTP over I2C Example DSDT block: Device (MCTP) { Name (_HID, "PRP0001") // _HID: Hardware ID Name (_DSD, Package (0x02) // _DSD: Device-Specific Data { ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301") /* Device Propertie= s for _DSD */, Package (0x03) { Package (0x02) { "compatible", "aspeed,ast2600-i2c-bus" }, Package (0x02) { "bus-frequency", 0x00061A80 }, Package (0x02) { "mctp-controller", One } } }) Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings { Memory32Fixed (ReadWrite, 0x0B000080, // Address Base 0x00000080, // Address Length ) Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, ) { 0x0000002A, } }) } Device (MCTS) { Name (_HID, "PRP0001") // _HID: Hardware ID Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings { I2cSerialBusV2 (0x0050, DeviceInitiated, 0x000186A0, AddressingMode7Bit, "\\_SB.MCTP", 0x00, ResourceProducer, , Exclusive, ) }) Name (_DSD, Package (0x02) // _DSD: Device-Specific Data { ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301") /* Device Propertie= s for _DSD */, Package (0x01) { Package (0x02) { "compatible", "mctp-i2c-controller" } } }) } Tests not updated given I'm not currently proposing this for upstream. Signed-off-by: Jonathan Cameron --- hw/arm/virt-acpi-build.c | 60 ++++++++++++++++++++++++++++++++++++++++ hw/i2c/meson.build | 2 +- 2 files changed, 61 insertions(+), 1 deletion(-) diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index e4a74324b8..ad31e2055e 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -78,6 +78,65 @@ static void acpi_dsdt_add_cpus(Aml *scope, VirtMachineSt= ate *vms) } } =20 +static void acpi_dsdt_add_mctp(Aml *scope, VirtMachineState *vms) +{ + uint32_t interrupt =3D vms->irqmap[VIRT_I2C] + ARM_SPI_BASE; + Aml *main_dev =3D aml_device("MCTP"); + Aml *sub_dev =3D aml_device("MCTS"); + Aml *dsd_pkg =3D aml_package(2); + Aml *props_pkg =3D aml_package(3); + Aml *pkg =3D aml_package(2); + Aml *crs =3D aml_resource_template(); + + aml_append(main_dev, aml_name_decl("_HID", aml_string("PRP0001"))); + + aml_append(pkg, aml_string("compatible")); + aml_append(pkg, aml_string("aspeed,ast2600-i2c-bus")); + aml_append(props_pkg, pkg); + + pkg =3D aml_package(2); + aml_append(pkg, aml_string("bus-frequency")); + aml_append(pkg, aml_int(400000)); + aml_append(props_pkg, pkg); + + pkg =3D aml_package(2); + aml_append(pkg, aml_string("mctp-controller")); + aml_append(pkg, aml_int(1)); + aml_append(props_pkg, pkg); + + aml_append(dsd_pkg, aml_touuid("DAFFD814-6EBA-4D8C-8A91-BC9BBF4AA301")= ); + aml_append(dsd_pkg, props_pkg); + aml_append(main_dev, aml_name_decl("_DSD", dsd_pkg)); + + aml_append(crs, aml_memory32_fixed(vms->memmap[VIRT_I2C].base + 0x80, + 0x80, AML_READ_WRITE)); + aml_append(crs, + aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, + AML_EXCLUSIVE, &interrupt, 1)); + aml_append(main_dev, aml_name_decl("_CRS", crs)); + + aml_append(sub_dev, aml_name_decl("_HID", aml_string("PRP0001"))); + + dsd_pkg =3D aml_package(2); + aml_append(dsd_pkg, aml_touuid("DAFFD814-6EBA-4D8C-8A91-BC9BBF4AA301")= ); + + props_pkg =3D aml_package(1); + + pkg =3D aml_package(2); + aml_append(pkg, aml_string("compatible")); + aml_append(pkg, aml_string("mctp-i2c-controller")); + aml_append(props_pkg, pkg); + aml_append(dsd_pkg, props_pkg); + + crs =3D aml_resource_template(); + aml_append(crs, aml_i2c_slv_serial_bus_device(0x50, "\\_SB.MCTP")); + aml_append(sub_dev, aml_name_decl("_CRS", crs)); + aml_append(sub_dev, aml_name_decl("_DSD", dsd_pkg)); + + aml_append(scope, main_dev); + aml_append(scope, sub_dev); +} + static void acpi_dsdt_add_uart(Aml *scope, const MemMapEntry *uart_memmap, uint32_t uart_irq) { @@ -888,6 +947,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, Virt= MachineState *vms) */ scope =3D aml_scope("\\_SB"); acpi_dsdt_add_cpus(scope, vms); + acpi_dsdt_add_mctp(scope, vms); acpi_dsdt_add_uart(scope, &memmap[VIRT_UART], (irqmap[VIRT_UART] + ARM_SPI_BASE)); if (vmc->acpi_expose_flash) { diff --git a/hw/i2c/meson.build b/hw/i2c/meson.build index d707ec58f7..75db13c10e 100644 --- a/hw/i2c/meson.build +++ b/hw/i2c/meson.build @@ -4,7 +4,7 @@ i2c_ss.add(when: 'CONFIG_MCTP_I2C', if_true: files('mctp.c'= )) i2c_ss.add(when: 'CONFIG_SMBUS', if_true: files('smbus_slave.c', 'smbus_ma= ster.c')) i2c_ss.add(when: 'CONFIG_ACPI_SMBUS', if_true: files('pm_smbus.c')) i2c_ss.add(when: 'CONFIG_ACPI_ICH9', if_true: files('smbus_ich9.c')) -i2c_ss.add(when: 'CONFIG_ASPEED_SOC', if_true: files('aspeed_i2c.c')) +i2c_ss.add(when: 'CONFIG_I2C', if_true: files('aspeed_i2c.c')) i2c_ss.add(when: 'CONFIG_BITBANG_I2C', if_true: files('bitbang_i2c.c')) i2c_ss.add(when: 'CONFIG_EXYNOS4', if_true: files('exynos4210_i2c.c')) i2c_ss.add(when: 'CONFIG_IMX_I2C', if_true: files('imx_i2c.c')) --=20 2.39.2