From: Heyi Guo heyi.guo@linaro.org
Hi1620 have two physical PL011 serial ports on the board, one for serial port console (described by ACPI SPCR) and the other for standard debug port (described by ACPI DBG2). This driver is to initialize the debug UART, not the serial console.
Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Heyi Guo heyi.guo@linaro.org --- Platform/Hisilicon/D06/D06.dsc | 1 + Platform/Hisilicon/D06/D06.fdf | 1 + Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.inf | 48 +++++++++++++++ Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.c | 64 ++++++++++++++++++++ 4 files changed, 114 insertions(+)
diff --git a/Platform/Hisilicon/D06/D06.dsc b/Platform/Hisilicon/D06/D06.dsc index 9ca7160dad..20d2d2a1b4 100644 --- a/Platform/Hisilicon/D06/D06.dsc +++ b/Platform/Hisilicon/D06/D06.dsc @@ -422,6 +422,7 @@ # Memory test # MdeModulePkg/Universal/MemoryTest/NullMemoryTestDxe/NullMemoryTestDxe.inf + Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.inf MdeModulePkg/Universal/DisplayEngineDxe/DisplayEngineDxe.inf MdeModulePkg/Universal/SetupBrowserDxe/SetupBrowserDxe.inf MdeModulePkg/Universal/BdsDxe/BdsDxe.inf diff --git a/Platform/Hisilicon/D06/D06.fdf b/Platform/Hisilicon/D06/D06.fdf index 07fe096f61..8cac126ccf 100644 --- a/Platform/Hisilicon/D06/D06.fdf +++ b/Platform/Hisilicon/D06/D06.fdf @@ -303,6 +303,7 @@ READ_LOCK_STATUS = TRUE INF MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.inf INF MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.inf
+ INF Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.inf INF MdeModulePkg/Universal/Network/SnpDxe/SnpDxe.inf # # Build Shell from latest source code instead of prebuilt binary diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.inf b/Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.inf new file mode 100644 index 0000000000..8c91bdf0f4 --- /dev/null +++ b/Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.inf @@ -0,0 +1,48 @@ +#/** @file +# +# Copyright (c) 2016 - 2018, Hisilicon Limited. All rights reserved. +# Copyright (c) 2016 - 2018, Linaro Limited. All rights reserved. +# +# This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +#**/ + +[Defines] + INF_VERSION = 0x0001001A + BASE_NAME = Pl011DebugSerialPortInitDxe + FILE_GUID = 16D53E86-7EA4-47bd-861F-511EA9B8ABE0 + MODULE_TYPE = DXE_DRIVER + VERSION_STRING = 1.0 + ENTRY_POINT = SerialPortEntry + +[Sources.common] + Pl011DebugSerialPortInitDxe.c + + +[Packages] + ArmPlatformPkg/ArmPlatformPkg.dec + MdeModulePkg/MdeModulePkg.dec + MdePkg/MdePkg.dec + Silicon/Hisilicon/HisiPkg.dec + +[LibraryClasses] + BaseLib + UefiDriverEntryPoint + +[Pcd] + gArmPlatformTokenSpaceGuid.PL011UartClkInHz + gArmPlatformTokenSpaceGuid.PcdSerialDbgRegisterBase + gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate + gEfiMdePkgTokenSpaceGuid.PcdUartDefaultDataBits + gEfiMdePkgTokenSpaceGuid.PcdUartDefaultParity + gEfiMdePkgTokenSpaceGuid.PcdUartDefaultStopBits + +[Depex] + TRUE + diff --git a/Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.c b/Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.c new file mode 100644 index 0000000000..8f83737327 --- /dev/null +++ b/Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.c @@ -0,0 +1,64 @@ +/** @file + + Copyright (c) 2016 - 2018, Hisilicon Limited. All rights reserved. + Copyright (c) 2016 - 2018, Linaro Limited. All rights reserved. + + This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +#include <Uefi.h> +#include <Library/BaseLib.h> +#include <Library/DebugLib.h> +#include <Library/PL011UartLib.h> +#include <Library/PcdLib.h> +#include <Library/SerialPortLib.h> + +RETURN_STATUS +EFIAPI +DebugSerialPortInitialize ( + VOID + ) +{ + UINT64 BaudRate; + UINT32 ReceiveFifoDepth; + EFI_PARITY_TYPE Parity; + UINT8 DataBits; + EFI_STOP_BITS_TYPE StopBits; + + BaudRate = FixedPcdGet64 (PcdUartDefaultBaudRate); + ReceiveFifoDepth = 0; // Use default FIFO depth + Parity = (EFI_PARITY_TYPE)FixedPcdGet8 (PcdUartDefaultParity); + DataBits = FixedPcdGet8 (PcdUartDefaultDataBits); + StopBits = (EFI_STOP_BITS_TYPE) FixedPcdGet8 (PcdUartDefaultStopBits); + return PL011UartInitializePort ( + (UINTN)FixedPcdGet64 (PcdSerialDbgRegisterBase), + FixedPcdGet32 (PL011UartClkInHz), + &BaudRate, + &ReceiveFifoDepth, + &Parity, + &DataBits, + &StopBits + ); +} + +EFI_STATUS +SerialPortEntry ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + Status = DebugSerialPortInitialize (); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "CPU1 TB serial port init ERROR: %r\n", Status)); + } + return EFI_SUCCESS; +} +