From: "Chao Li" <lichao@loongson.cn>
To: devel@edk2.groups.io
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>,
Laszlo Ersek <lersek@redhat.com>,
Jiewen Yao <jiewen.yao@intel.com>,
Jordan Justen <jordan.l.justen@intel.com>,
Gerd Hoffmann <kraxel@redhat.com>, Bibo Mao <maobibo@loongson.cn>,
Dongyan Qian <qiandongyan@loongson.cn>
Subject: [edk2-devel] [PATCH v8 28/37] OvmfPkg/LoongArchVirt: Add serial port hook library
Date: Fri, 26 Jan 2024 14:30:36 +0800 [thread overview]
Message-ID: <20240126063036.3102596-1-lichao@loongson.cn> (raw)
In-Reply-To: <20240126062715.3099433-1-lichao@loongson.cn>
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 <ardb+tianocore@kernel.org>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Bibo Mao <maobibo@loongson.cn>
Cc: Dongyan Qian <qiandongyan@loongson.cn>
Signed-off-by: Chao Li <lichao@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
---
.../EarlyFdt16550SerialPortHookLib.c | 52 +++++++++++++++++++
.../EarlyFdt16550SerialPortHookLib.inf | 37 +++++++++++++
.../Fdt16550SerialPortHookLib.c | 39 ++++++++++++++
.../Fdt16550SerialPortHookLib.inf | 33 ++++++++++++
.../Fdt16550SerialPortHookLib.uni | 14 +++++
5 files changed, 175 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..9f1fcc970a
--- /dev/null
+++ b/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/EarlyFdt16550SerialPortHookLib.c
@@ -0,0 +1,52 @@
+/** @file
+ PEI Phase Early Platform Hook Library instance for 16550 Uart.
+
+ Copyright (c) 2020 - 2023, Arm Ltd. All rights reserved.<BR>
+ Copyright (c) 2024 Loongson Technology Corporation Limited. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Library/BaseLib.h>
+#include <Library/FdtSerialPortAddressLib.h>
+#include <Library/PcdLib.h>
+#include <Library/PlatformHookLib.h>
+#include <Register/LoongArch64/Csr.h>
+
+/** 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..55b0c03a01
--- /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.<BR>
+# Copyright (c) 2024 Loongson Technology Corporation Limited. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 1.29
+ 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..fd188f75b8
--- /dev/null
+++ b/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/Fdt16550SerialPortHookLib.c
@@ -0,0 +1,39 @@
+/** @file
+ Platform Hook Library instance for 16550 Uart.
+
+ Copyright (c) 2020, ARM Ltd. All rights reserved.<BR>
+ Copyright (c) 2024 Loongson Technology Corporation Limited. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Library/BaseLib.h>
+#include <Library/PcdLib.h>
+#include <Library/PlatformHookLib.h>
+#include <Register/LoongArch64/Csr.h>
+
+/** 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..b5fc03a284
--- /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.<BR>
+# Copyright (c) 2024 Loongson Technology Corporation Limited. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 1.29
+ 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..92eb2ed0b4
--- /dev/null
+++ b/OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/Fdt16550SerialPortHookLib.uni
@@ -0,0 +1,14 @@
+// /** @file
+// Platform Hook Library instance for 16550 Uart.
+//
+//
+// Copyright (c) 2020, ARM Ltd. All rights reserved.<BR>
+// Copyright (c) 2024 Loongson Technology Corporation Limited. All rights reserved.<BR>
+//
+// 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
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next prev parent reply other threads:[~2024-01-26 6:30 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-26 6:27 [edk2-devel] [PATCH v8 00/37] Enable LoongArch virtual machine in edk2 Chao Li
2024-01-26 6:27 ` [edk2-devel] [PATCH v8 01/37] MdePkg: Add the header file named Csr.h for LoongArch64 Chao Li
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 02/37] MdePkg: Add LoongArch64 FPU function set into BaseCpuLib Chao Li
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 03/37] MdePkg: Add LoongArch64 exception function set into BaseLib Chao Li
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 04/37] MdePkg: Add LoongArch64 local interrupt " Chao Li
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 05/37] MdePkg: Add LoongArch Cpucfg function Chao Li
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 06/37] MdePkg: Add read stable counter operation for LoongArch Chao Li
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 07/37] MdePkg: Add CSR " Chao Li
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 08/37] MdePkg: Add IOCSR " Chao Li
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 09/37] MdePkg: Add a new library named PeiServicesTablePointerLibKs0 Chao Li
2024-01-26 6:28 ` [edk2-devel] [PATCH v8 10/37] MdePkg: Add some comments for LoongArch exceptions Chao Li
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 11/37] UefiCpuPkg: Add LoongArch64 CPU Timer instance Chao Li
2024-02-02 3:24 ` Ni, Ray
2024-02-02 3:38 ` Chao Li
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 12/37] UefiCpuPkg: Add CPU exception library for LoongArch Chao Li
2024-02-02 3:30 ` Ni, Ray
2024-02-02 3:44 ` Chao Li
2024-02-02 4:30 ` Ni, Ray
2024-03-08 8:02 ` Chao Li
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 13/37] UefiCpuPkg: Add CpuMmuLib.h to UefiCpuPkg Chao Li
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 14/37] UefiCpuPkg: Add CpuMmuLib " Chao Li
2024-01-31 9:47 ` Laszlo Ersek
2024-02-01 7:57 ` Chao Li
2024-02-01 22:46 ` Laszlo Ersek
2024-02-02 3:30 ` Chao Li
2024-02-02 3:33 ` Ni, Ray
2024-02-02 3:50 ` Chao Li
2024-02-02 4:30 ` Ni, Ray
2024-03-01 1:26 ` Chao Li
2024-03-01 11:27 ` Laszlo Ersek
2024-03-04 3:39 ` Chao Li
2024-03-05 9:26 ` Laszlo Ersek
2024-03-05 11:50 ` Chao Li
2024-03-05 12:09 ` Laszlo Ersek
2024-03-05 12:12 ` Chao Li
[not found] ` <17B87F9FA8D0E543.14067@groups.io>
2024-03-01 1:53 ` Chao Li
2024-01-31 10:33 ` Pedro Falcato
2024-01-31 13:41 ` Laszlo Ersek
2024-01-31 17:46 ` Pedro Falcato
2024-02-01 3:05 ` Chao Li
2024-02-01 19:36 ` Pedro Falcato
2024-02-01 23:02 ` Laszlo Ersek
2024-02-02 15:14 ` Leif Lindholm
2024-02-04 2:58 ` Chao Li
[not found] ` <17B0898B4883051D.13964@groups.io>
2024-02-06 2:57 ` Chao Li
2024-02-06 14:32 ` Laszlo Ersek
2024-02-06 16:45 ` Pedro Falcato
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 15/37] UefiCpuPkg: Add multiprocessor library for LoongArch64 Chao Li
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 16/37] UefiCpuPkg: Add CpuDxe driver " Chao Li
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 17/37] EmbeddedPkg: Add PcdPrePiCpuIoSize width for LOONGARCH64 Chao Li
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 18/37] ArmVirtPkg: Move PCD of FDT base address and FDT padding to OvmfPkg Chao Li
2024-02-01 23:20 ` Laszlo Ersek
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 19/37] UefiCpuPkg: Add a new CPU IO 2 driver named CpuMmio2Dxe Chao Li
2024-01-26 6:29 ` [edk2-devel] [PATCH v8 20/37] ArmVirtPkg: Enable CpuMmio2Dxe Chao Li
2024-02-01 22:19 ` Laszlo Ersek
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 21/37] OvmfPkg/RiscVVirt: " Chao Li
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 22/37] OvmfPkg/RiscVVirt: Remove PciCpuIo2Dxe from RiscVVirt Chao Li
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 23/37] ArmVirtPkg: Move the FdtSerialPortAddressLib to OvmfPkg Chao Li
2024-01-29 19:27 ` Laszlo Ersek
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 24/37] ArmVirtPkg: Move two PCD variables into OvmfPkg Chao Li
2024-01-29 19:49 ` Laszlo Ersek
2024-01-30 1:24 ` Chao Li
2024-01-30 16:45 ` Laszlo Ersek
2024-01-31 1:30 ` Chao Li
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 25/37] ArmVirtPkg: Move PlatformBootManagerLib to OvmfPkg Chao Li
2024-01-29 19:51 ` Laszlo Ersek
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 26/37] OvmfPkg/LoongArchVirt: Add stable timer driver Chao Li
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 27/37] OvmfPkg/LoongArchVirt: Add a NULL library named CollectApResouceLibNull Chao Li
2024-01-26 6:30 ` Chao Li [this message]
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 29/37] OvmfPkg/LoongArchVirt: Add the early serial port output library Chao Li
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 30/37] OvmfPkg/LoongArchVirt: Add real time clock library Chao Li
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 31/37] OvmfPkg/LoongArchVirt: Add NorFlashQemuLib Chao Li
2024-01-26 6:30 ` [edk2-devel] [PATCH v8 32/37] OvmfPkg/LoongArchVirt: Add FdtQemuFwCfgLib Chao Li
2024-01-26 6:31 ` [edk2-devel] [PATCH v8 33/37] OvmfPkg/LoongArchVirt: Add reset system library Chao Li
2024-01-26 6:31 ` [edk2-devel] [PATCH v8 34/37] OvmfPkg/LoongArchVirt: Support SEC phase Chao Li
2024-01-26 6:31 ` [edk2-devel] [PATCH v8 35/37] OvmfPkg/LoongArchVirt: Support PEI phase Chao Li
2024-01-26 6:31 ` [edk2-devel] [PATCH v8 36/37] OvmfPkg/LoongArchVirt: Add build file Chao Li
2024-01-26 6:31 ` [edk2-devel] [PATCH v8 37/37] OvmfPkg/LoongArchVirt: Add self introduction file Chao Li
[not found] ` <17ADD1D5A196C454.24595@groups.io>
2024-01-31 3:30 ` [edk2-devel] [PATCH v8 11/37] UefiCpuPkg: Add LoongArch64 CPU Timer instance Chao Li
[not found] ` <17AF510405DE784C.15701@groups.io>
2024-01-31 5:28 ` Chao Li
2024-01-31 10:47 ` Laszlo Ersek
[not found] ` <17ADD1D7001C37D6.11113@groups.io>
2024-01-31 3:31 ` [edk2-devel] [PATCH v8 12/37] UefiCpuPkg: Add CPU exception library for LoongArch Chao Li
[not found] ` <17AF510933F4B8FA.15701@groups.io>
2024-01-31 5:29 ` Chao Li
[not found] ` <17ADD1D9CA04F352.11113@groups.io>
2024-01-31 3:31 ` [edk2-devel] [PATCH v8 14/37] UefiCpuPkg: Add CpuMmuLib to UefiCpuPkg Chao Li
[not found] ` <17AF511188DE2475.15701@groups.io>
2024-01-31 5:32 ` Chao Li
[not found] ` <17ADD1DB56FC4702.24595@groups.io>
2024-01-31 3:32 ` [edk2-devel] [PATCH v8 15/37] UefiCpuPkg: Add multiprocessor library for LoongArch64 Chao Li
[not found] ` <17AF511741BD9C8B.15701@groups.io>
2024-01-31 5:33 ` Chao Li
[not found] ` <17ADD1DCBDD4B7FE.11113@groups.io>
2024-01-31 3:32 ` [edk2-devel] [PATCH v8 16/37] UefiCpuPkg: Add CpuDxe driver " Chao Li
[not found] ` <17AF511F29808828.16460@groups.io>
2024-01-31 5:33 ` Chao Li
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