38a00bae86
Upcoming new component ArmPkg/Drivers/ArmScmiDxe is dependent on platform specific ArmMtlLib library implementation, however in order to be able to build the ArmScmiDxe component outside of the context of a particular platform, this change adds Null implementation of the ArmMtlLib along with ARM MTL library header. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Girish Pathak <girish.pathak@arm.com> Signed-off-by: Evan Lloyd <evan.lloyd@arm.com> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/** @file
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Copyright (c) 2017-2018, Arm Limited. All rights reserved.
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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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System Control and Management Interface V1.0
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http://infocenter.arm.com/help/topic/com.arm.doc.den0056a/
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DEN0056A_System_Control_and_Management_Interface.pdf
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**/
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#include <Library/ArmMtlLib.h>
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#include <Library/DebugLib.h>
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/** Wait until channel is free.
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@param[in] Channel Pointer to a channel.
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@param[in] TimeOutInMicroSeconds Timeout in micro seconds.
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@retval EFI_UNSUPPORTED Interface not implemented.
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**/
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EFI_STATUS
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MtlWaitUntilChannelFree (
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IN MTL_CHANNEL *Channel,
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IN UINTN TimeOutInMicroSeconds
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)
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{
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return EFI_UNSUPPORTED;
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}
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/** Return the address of the message payload.
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@param[in] Channel Pointer to a channel.
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@retval UINT32* Pointer to the payload.
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**/
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UINT32*
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MtlGetChannelPayload (
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IN MTL_CHANNEL *Channel
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)
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{
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ASSERT (FALSE);
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return NULL;
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}
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/** Return pointer to a channel for the requested channel type.
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@param[in] ChannelType ChannelType, Low or High priority channel.
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MTL_CHANNEL_TYPE_LOW or
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MTL_CHANNEL_TYPE_HIGH
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@param[out] Channel Holds pointer to the channel.
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@retval EFI_UNSUPPORTED Requested channel type not supported or
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interface not implemented.
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**/
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EFI_STATUS
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MtlGetChannel (
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IN MTL_CHANNEL_TYPE ChannelType,
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OUT MTL_CHANNEL **Channel
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)
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{
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return EFI_UNSUPPORTED;
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}
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/** Mark the channel busy and ring the doorbell.
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@param[in] Channel Pointer to a channel.
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@param[in] MessageHeader Message header.
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@param[out] PayloadLength Message length.
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@retval EFI_UNSUPPORTED Interface not implemented.
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**/
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EFI_STATUS
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MtlSendMessage (
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IN MTL_CHANNEL *Channel,
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IN UINT32 MessageHeader,
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OUT UINT32 PayloadLength
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)
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{
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return EFI_UNSUPPORTED;
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}
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/** Wait for a response on a channel.
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If channel is free after sending message, it implies SCP responded
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with a response on the channel.
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@param[in] Channel Pointer to a channel.
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@retval EFI_UNSUPPORTED Interface not implemented.
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**/
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EFI_STATUS
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MtlReceiveMessage (
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IN MTL_CHANNEL *Channel,
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OUT UINT32 *MessageHeader,
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OUT UINT32 *PayloadLength
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)
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{
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return EFI_UNSUPPORTED;
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}
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