audk/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmVExpressCommon.c

49 lines
1.5 KiB
C

/** @file
Copyright (c) 2014, ARM Ltd. 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 "ArmVExpressInternal.h"
/**
Get information about the VExpress platform the firmware is running on given its Id.
@param[in] PlatformId Id of the VExpress platform.
@param[out] Platform Address where the pointer to the platform information
(type ARM_VEXPRESS_PLATFORM*) should be stored.
The returned pointer does not point to an allocated
memory area.
@retval EFI_SUCCESS The platform information was returned.
@retval EFI_NOT_FOUND The platform was not recognised.
**/
EFI_STATUS
ArmVExpressGetPlatformFromId (
IN CONST ARM_VEXPRESS_PLATFORM_ID PlatformId,
OUT CONST ARM_VEXPRESS_PLATFORM** Platform
)
{
UINTN Index;
ASSERT (Platform != NULL);
for (Index = 0; ArmVExpressPlatforms[Index].Id != ARM_FVP_VEXPRESS_UNKNOWN; Index++) {
if (ArmVExpressPlatforms[Index].Id == PlatformId) {
*Platform = &ArmVExpressPlatforms[Index];
return EFI_SUCCESS;
}
}
return EFI_NOT_FOUND;
}