On Tue, Jul 24, 2018 at 03:08:53PM +0800, Ming Huang wrote:
> From: Yan Zhang <[email protected]>
>
> Debug serial port init driver is added to initilize debug
> serial port.
What is special about this platform that makes it require a separate
initialization function for the PL011?
/
Leif
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Yan Zhang <[email protected]>
> Signed-off-by: Ming Huang <[email protected]>
> Signed-off-by: Heyi Guo <[email protected]>
> ---
> Platform/Hisilicon/D06/D06.dsc
> | 1 +
> Platform/Hisilicon/D06/D06.fdf
> | 1 +
>
> Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.c
> | 64 ++++++++++++++++++++
>
> Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.inf
> | 48 +++++++++++++++
> 4 files changed, 114 insertions(+)
>
> diff --git a/Platform/Hisilicon/D06/D06.dsc b/Platform/Hisilicon/D06/D06.dsc
> index f4dfef1087..3f6f1ff20d 100644
> --- a/Platform/Hisilicon/D06/D06.dsc
> +++ b/Platform/Hisilicon/D06/D06.dsc
> @@ -426,6 +426,7 @@
> # 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 2730eb42a9..bc016a32ae 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.c
>
> b/Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.c
> new file mode 100644
> index 0000000000..b7233eed21
> --- /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;
> +}
> +
> 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
> +
> --
> 2.17.0
>
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