0657689b29
The MP ID Register is not enough to know the position of the core in the SoC. We could have SoC with multi cluster of CPUs that do not contain the same number of CPUs. This function should return the position of the CPU in the SoC. Signed-off-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13770 6f19259b-4bc3-4df7-8a09-765794883524
136 lines
2.8 KiB
C
Executable File
136 lines
2.8 KiB
C
Executable File
/** @file
|
|
*
|
|
* Copyright (c) 2011-2012, ARM 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 <Library/IoLib.h>
|
|
#include <Library/ArmPlatformLib.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/PcdLib.h>
|
|
|
|
#include <Omap3530/Omap3530.h>
|
|
#include <BeagleBoard.h>
|
|
|
|
VOID
|
|
PadConfiguration (
|
|
BEAGLEBOARD_REVISION Revision
|
|
);
|
|
|
|
VOID
|
|
ClockInit (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Detect board revision
|
|
|
|
@return Board revision
|
|
**/
|
|
BEAGLEBOARD_REVISION
|
|
BeagleBoardGetRevision (
|
|
VOID
|
|
)
|
|
{
|
|
UINT32 OldPinDir;
|
|
UINT32 Revision;
|
|
|
|
// Read GPIO 171, 172, 173
|
|
OldPinDir = MmioRead32 (GPIO6_BASE + GPIO_OE);
|
|
MmioWrite32(GPIO6_BASE + GPIO_OE, (OldPinDir | BIT11 | BIT12 | BIT13));
|
|
Revision = MmioRead32 (GPIO6_BASE + GPIO_DATAIN);
|
|
|
|
// Restore I/O settings
|
|
MmioWrite32 (GPIO6_BASE + GPIO_OE, OldPinDir);
|
|
|
|
return (BEAGLEBOARD_REVISION)((Revision >> 11) & 0x7);
|
|
}
|
|
|
|
/**
|
|
Return the current Boot Mode
|
|
|
|
This function returns the boot reason on the platform
|
|
|
|
**/
|
|
EFI_BOOT_MODE
|
|
ArmPlatformGetBootMode (
|
|
VOID
|
|
)
|
|
{
|
|
return BOOT_WITH_FULL_CONFIGURATION;
|
|
}
|
|
|
|
/**
|
|
Initialize controllers that must setup at the early stage
|
|
|
|
Some peripherals must be initialized in Secure World.
|
|
For example, some L2x0 requires to be initialized in Secure World
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
ArmPlatformInitialize (
|
|
IN UINTN MpId
|
|
)
|
|
{
|
|
BEAGLEBOARD_REVISION Revision;
|
|
|
|
Revision = BeagleBoardGetRevision();
|
|
|
|
// Set up Pin muxing.
|
|
PadConfiguration (Revision);
|
|
|
|
// Set up system clocking
|
|
ClockInit ();
|
|
|
|
// Turn off the functional clock for Timer 3
|
|
MmioAnd32 (CM_FCLKEN_PER, 0xFFFFFFFF ^ CM_ICLKEN_PER_EN_GPT3_ENABLE );
|
|
ArmDataSyncronizationBarrier ();
|
|
|
|
// Clear IRQs
|
|
MmioWrite32 (INTCPS_CONTROL, INTCPS_CONTROL_NEWIRQAGR);
|
|
ArmDataSyncronizationBarrier ();
|
|
|
|
return RETURN_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Initialize the system (or sometimes called permanent) memory
|
|
|
|
This memory is generally represented by the DRAM.
|
|
|
|
**/
|
|
VOID
|
|
ArmPlatformInitializeSystemMemory (
|
|
VOID
|
|
)
|
|
{
|
|
// We do not need to initialize the System Memory on RTSM
|
|
}
|
|
|
|
VOID
|
|
ArmPlatformGetPlatformPpiList (
|
|
OUT UINTN *PpiListSize,
|
|
OUT EFI_PEI_PPI_DESCRIPTOR **PpiList
|
|
)
|
|
{
|
|
*PpiListSize = 0;
|
|
*PpiList = NULL;
|
|
}
|
|
|
|
UINTN
|
|
ArmPlatformGetCorePosition (
|
|
IN UINTN MpId
|
|
)
|
|
{
|
|
return 1;
|
|
}
|
|
|