From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by spool.mail.gandi.net (Postfix) with ESMTPS id 582FCAC1714 for ; Fri, 17 Nov 2023 10:03:02 +0000 (UTC) DKIM-Signature: a=rsa-sha256; bh=szirGoULwo6Qg/2A80bmKPc+M9SOROxu8pqYdW+2P2Q=; c=relaxed/simple; d=groups.io; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References:MIME-Version:Precedence:List-Subscribe:List-Help:Sender:List-Id:Mailing-List:Delivered-To:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:Content-Transfer-Encoding; s=20140610; t=1700215381; v=1; b=V7acc6XzG609Q0cAqpTPLyMZBChAb+Zb98UvaBroLKoAcAO7Yd4o0bWBl1QIYGeS38cLfFrf Guvub9k240vxxA7NRcRedmROHwiL7GtNhIQZhXD0NV5WkBb2LVDxuaJx+QP0m5xXD5atyfQYvJv 6M3w5MI3M5Iim/jO1WDEXMr0= X-Received: by 127.0.0.2 with SMTP id np3AYY7687511xuze7TkOBYJ; Fri, 17 Nov 2023 02:03:01 -0800 X-Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by mx.groups.io with SMTP id smtpd.web11.8711.1700215380039595187 for ; Fri, 17 Nov 2023 02:03:00 -0800 X-Received: from loongson.cn (unknown [10.2.9.245]) by gateway (Coremail) with SMTP id _____8DxBfFSOldlxcc6AA--.50932S3; Fri, 17 Nov 2023 18:02:58 +0800 (CST) X-Received: from code-server.gen (unknown [10.2.9.245]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Cxzt5QOldlkTpFAA--.23058S2; Fri, 17 Nov 2023 18:02:56 +0800 (CST) From: "Chao Li" To: devel@edk2.groups.io Cc: Ard Biesheuvel , Jiewen Yao , Jordan Justen , Gerd Hoffmann Subject: [edk2-devel] [PATCH v3 30/39] OvmfPkg/LoongArchVirt: Add serial port hook library Date: Fri, 17 Nov 2023 18:02:55 +0800 Message-Id: <20231117100255.3610479-1-lichao@loongson.cn> In-Reply-To: <20231117095742.3605778-1-lichao@loongs> References: <20231117095742.3605778-1-lichao@loongs> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8Cxzt5QOldlkTpFAA--.23058S2 X-CM-SenderInfo: xolfxt3r6o00pqjv00gofq/1tbiAQASCGVWzaoGGABSsD X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Precedence: Bulk List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,lichao@loongson.cn List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: kYbWFUVkG6jSZRJsODfSd22sx7686176AA= Content-Transfer-Encoding: 8bit X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20140610 header.b=V7acc6Xz; dmarc=none; spf=pass (spool.mail.gandi.net: domain of bounce@groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce@groups.io Add a serial port hook library in LoongArchVirt named Fdt16550SerialProtHookLib, this library is referenced from ArmVirtPkg. LoongArch QEMU virtual machine uses register of LOONGARCH_CSR_KS1 to transfer serial port base addres from the PEI phase to the DXE phase. BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4584 Cc: Ard Biesheuvel Cc: Jiewen Yao Cc: Jordan Justen Cc: Gerd Hoffmann Signed-off-by: Chao Li --- .../EarlyFdt16550SerialPortHookLib.c | 55 +++++++++++++++++++ .../EarlyFdt16550SerialPortHookLib.inf | 37 +++++++++++++ .../Fdt16550SerialPortHookLib.c | 41 ++++++++++++++ .../Fdt16550SerialPortHookLib.inf | 33 +++++++++++ .../Fdt16550SerialPortHookLib.uni | 13 +++++ 5 files changed, 179 insertions(+) create mode 100644 OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/EarlyFdt16550SerialPortHookLib.c create mode 100644 OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/EarlyFdt16550SerialPortHookLib.inf create mode 100644 OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/Fdt16550SerialPortHookLib.c create mode 100644 OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/Fdt16550SerialPortHookLib.inf create mode 100644 OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/Fdt16550SerialPortHookLib.uni diff --git a/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/EarlyFdt16550SerialPortHookLib.c b/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/EarlyFdt16550SerialPortHookLib.c new file mode 100644 index 0000000000..b819b42d56 --- /dev/null +++ b/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/EarlyFdt16550SerialPortHookLib.c @@ -0,0 +1,55 @@ +/** @file + PEI Phase Early Platform Hook Library instance for 16550 Uart. + + Copyright (c) 2020 - 2023, Arm Ltd. All rights reserved.
+ Copyright (c) 2023 Loongson Technology Corporation Limited. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include +#include +#include +#include +#include +#include +#include +#include + +/** Platform hook to retrieve the 16550 UART base address from the platform + Device tree and store it in the reigster LOONGARCH_CSR_KS1. + + @retval RETURN_SUCCESS Success. + @retval RETURN_INVALID_PARAMETER A parameter was invalid. + @retval RETURN_NOT_FOUND Serial port information not found. + +**/ +RETURN_STATUS +EFIAPI +PlatformHookSerialPortInitialize ( + VOID + ) +{ + RETURN_STATUS Status; + VOID *DeviceTreeBase; + UINT64 SerialConsoleAddress; + + if (PcdGet64 (PcdSerialRegisterBase) != 0) { + return RETURN_SUCCESS; + } + + DeviceTreeBase = (VOID *)(UINTN)PcdGet64 (PcdDeviceTreeInitialBaseAddress); + if (DeviceTreeBase == NULL) { + return RETURN_NOT_FOUND; + } + + Status = FdtSerialGetConsolePort (DeviceTreeBase, &SerialConsoleAddress); + if (RETURN_ERROR (Status)) { + return Status; + } + + CsrWrite (LOONGARCH_CSR_KS1, (UINTN)SerialConsoleAddress); + + return RETURN_SUCCESS; +} diff --git a/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/EarlyFdt16550SerialPortHookLib.inf b/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/EarlyFdt16550SerialPortHookLib.inf new file mode 100644 index 0000000000..9a8819dbeb --- /dev/null +++ b/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/EarlyFdt16550SerialPortHookLib.inf @@ -0,0 +1,37 @@ +## @file +# PEI Phase Early Platform Hook Library instance for 16550 Uart. +# +# Copyright (c) 2020, ARM Ltd. All rights reserved.
+# Copyright (c) 2023 Loongson Technology Corporation Limited. All rights reserved.
+# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +## + +[Defines] + INF_VERSION = 0x0001001B + BASE_NAME = EarlyFdt16550SerialPortHookLib + MODULE_UNI_FILE = Fdt16550SerialPortHookLib.uni + FILE_GUID = 6A5FEBCB-C676-A7C1-A96C-B79D4860EEC5 + MODULE_TYPE = PEIM + VERSION_STRING = 1.0 + LIBRARY_CLASS = PlatformHookLib|SEC PEI_CORE PEIM + +[Sources] + EarlyFdt16550SerialPortHookLib.c + +[LibraryClasses] + BaseLib + PcdLib + FdtLib + FdtSerialPortAddressLib + +[Packages] + EmbeddedPkg/EmbeddedPkg.dec + MdeModulePkg/MdeModulePkg.dec + MdePkg/MdePkg.dec + OvmfPkg/OvmfPkg.dec + +[Pcd] + gUefiOvmfPkgTokenSpaceGuid.PcdDeviceTreeInitialBaseAddress + gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase diff --git a/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/Fdt16550SerialPortHookLib.c b/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/Fdt16550SerialPortHookLib.c new file mode 100644 index 0000000000..46e159d7c2 --- /dev/null +++ b/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/Fdt16550SerialPortHookLib.c @@ -0,0 +1,41 @@ +/** @file + Platform Hook Library instance for 16550 Uart. + + Copyright (c) 2020, ARM Ltd. All rights reserved.
+ Copyright (c) 2023 Loongson Technology Corporation Limited. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include +#include +#include +#include +#include +#include + +/** Platform hook to retrieve the 16550 UART base address from register + LOONGARCH_CSR_KS1 that caches the UART base address from early boot + stage and store it in PcdSerialRegisterBase. + + @retval RETURN_SUCCESS Success. + @retval RETURN_NOT_FOUND Serial Port information not found. + +**/ +RETURN_STATUS +EFIAPI +PlatformHookSerialPortInitialize ( + VOID + ) +{ + UINT64 *UartBase; + + if (PcdGet64 (PcdSerialRegisterBase) != 0) { + return RETURN_SUCCESS; + } + + *UartBase = CsrRead (LOONGARCH_CSR_KS1); + + return (RETURN_STATUS)PcdSet64S (PcdSerialRegisterBase, (UINTN)*UartBase); +} diff --git a/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/Fdt16550SerialPortHookLib.inf b/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/Fdt16550SerialPortHookLib.inf new file mode 100644 index 0000000000..3db9de4f7e --- /dev/null +++ b/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/Fdt16550SerialPortHookLib.inf @@ -0,0 +1,33 @@ +## @file +# Platform Hook Library instance for 16550 Uart. +# +# Copyright (c) 2020, ARM Ltd. All rights reserved.
+# Copyright (c) 2023 Loongson Technology Corporation Limited. All rights reserved.
+# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +## + +[Defines] + INF_VERSION = 0x0001001B + BASE_NAME = Fdt16550SerialPortHookLib + MODULE_UNI_FILE = Fdt16550SerialPortHookLib.uni + FILE_GUID = 808335DB-220E-A353-887C-9AA1B7D433A1 + MODULE_TYPE = BASE + VERSION_STRING = 1.0 + LIBRARY_CLASS = PlatformHookLib|DXE_CORE DXE_DRIVER UEFI_DRIVER DXE_RUNTIME_DRIVER UEFI_APPLICATION + CONSTRUCTOR = PlatformHookSerialPortInitialize + +[Sources] + Fdt16550SerialPortHookLib.c + +[LibraryClasses] + BaseLib + PcdLib + +[Packages] + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + +[Pcd] + gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase diff --git a/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/Fdt16550SerialPortHookLib.uni b/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/Fdt16550SerialPortHookLib.uni new file mode 100644 index 0000000000..70356534e9 --- /dev/null +++ b/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/Fdt16550SerialPortHookLib.uni @@ -0,0 +1,13 @@ +// /** @file +// Platform Hook Library instance for 16550 Uart. +// +// +// Copyright (c) 2020, ARM Ltd. All rights reserved.
+// +// SPDX-License-Identifier: BSD-2-Clause-Patent +// +// **/ + +#string STR_MODULE_ABSTRACT #language en-US "Platform Hook Library instance for 16550 Uart." + +#string STR_MODULE_DESCRIPTION #language en-US "Platform Hook Library instance for 16550 Uart." -- 2.27.0 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#111382): https://edk2.groups.io/g/devel/message/111382 Mute This Topic: https://groups.io/mt/102644804/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=-=-=-=-=-=-=-=-=-=-=-