883e23d0d3
This library has one depex of SerialPortPpi. Then, the PEIM linked it has this depex so that it is dispatched after SerialPortPpi is installed. SerialPortPpi notifies the platform initialization done, then serial port will work. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Gao, Liming <liming.gao@intel.com> Reviewed-by: Kinney, Michael D <michael.d.kinney@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15782 6f19259b-4bc3-4df7-8a09-765794883524
37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
/** @file
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Null Platform Hook Library instance with dependency on gPeiSerialPortPpiGuid
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Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <Base.h>
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#include <Library/PlatformHookLib.h>
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/**
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Performs platform specific initialization required for the CPU to access
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the hardware associated with a SerialPortLib instance. This function does
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not initialize the serial port hardware itself. Instead, it initializes
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hardware devices that are required for the CPU to access the serial port
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hardware. This function may be called more than once.
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@retval RETURN_SUCCESS The platform specific initialization succeeded.
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@retval RETURN_DEVICE_ERROR The platform specific initialization could not be completed.
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**/
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RETURN_STATUS
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EFIAPI
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PlatformHookSerialPortInitialize (
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VOID
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)
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{
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return RETURN_SUCCESS;
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}
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