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/** @file
*
* Copyright (c) 2011-2013, 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 <Ppi/ArmMpCoreInfo.h>
#include <ArmPlatform.h>
/**
Return the core per cluster. The method may differ per core type
This function might be called from assembler before any stack is set.
@return Return the core count per cluster
**/
UINTN
ArmGetCpuCountPerCluster (
VOID
);
ARM_CORE_INFO mVersatileExpressMpCoreInfoTable[] = {
{
// Cluster 0, Core 0
0x0, 0x0,
// MP Core MailBox Set/Get/Clear Addresses and Clear Value
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
(UINT64)0xFFFFFFFF
},
{
// Cluster 0, Core 1
0x0, 0x1,
// MP Core MailBox Set/Get/Clear Addresses and Clear Value
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
(UINT64)0xFFFFFFFF
},
{
// Cluster 0, Core 2
0x0, 0x2,
// MP Core MailBox Set/Get/Clear Addresses and Clear Value
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
(UINT64)0xFFFFFFFF
},
{
// Cluster 0, Core 3
0x0, 0x3,
// MP Core MailBox Set/Get/Clear Addresses and Clear Value
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
(UINT64)0xFFFFFFFF
},
{
// Cluster 1, Core 0
0x1, 0x0,
// MP Core MailBox Set/Get/Clear Addresses and Clear Value
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
(UINT64)0xFFFFFFFF
},
{
// Cluster 1, Core 1
0x1, 0x1,
// MP Core MailBox Set/Get/Clear Addresses and Clear Value
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
(UINT64)0xFFFFFFFF
},
{
// Cluster 1, Core 2
0x1, 0x2,
// MP Core MailBox Set/Get/Clear Addresses and Clear Value
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
(UINT64)0xFFFFFFFF
},
{
// Cluster 1, Core 3
0x1, 0x3,
// MP Core MailBox Set/Get/Clear Addresses and Clear Value
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
(EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
(UINT64)0xFFFFFFFF
}
};
/**
Return the current Boot Mode
This function returns the boot reason on the platform
@return Return the current Boot Mode of the platform
**/
EFI_BOOT_MODE
ArmPlatformGetBootMode (
VOID
)
{
return BOOT_WITH_FULL_CONFIGURATION;
}
/**
Initialize controllers that must setup in the normal world
This function is called by the ArmPlatformPkg/Pei or ArmPlatformPkg/Pei/PlatformPeim
in the PEI phase.
**/
RETURN_STATUS
ArmPlatformInitialize (
IN UINTN MpId
)
{
if (!ArmPlatformIsPrimaryCore (MpId)) {
return RETURN_SUCCESS;
}
// Disable memory remapping and return to normal mapping
MmioOr32 (SP810_CTRL_BASE, BIT8);
return RETURN_SUCCESS;
}
EFI_STATUS
PrePeiCoreGetMpCoreInfo (
OUT UINTN *CoreCount,
OUT ARM_CORE_INFO **ArmCoreTable
)
{
UINT32 ProcType;
ProcType = MmioRead32 (ARM_VE_SYS_PROCID0_REG) & ARM_VE_SYS_PROC_ID_MASK;
if ((ProcType == ARM_VE_SYS_PROC_ID_CORTEX_A9) || (ProcType == ARM_VE_SYS_PROC_ID_CORTEX_A15)) {
// Only support one cluster on all but ARMv8 FVP platform. FVP still uses CortexA9 ID.
*CoreCount = ArmGetCpuCountPerCluster ();
*ArmCoreTable = mVersatileExpressMpCoreInfoTable;
return EFI_SUCCESS;
} else {
return EFI_UNSUPPORTED;
}
}
ARM_MP_CORE_INFO_PPI mMpCoreInfoPpi = { PrePeiCoreGetMpCoreInfo };
EFI_PEI_PPI_DESCRIPTOR gPlatformPpiTable[] = {
{
EFI_PEI_PPI_DESCRIPTOR_PPI,
&gArmMpCoreInfoPpiGuid,
&mMpCoreInfoPpi
}
};
VOID
ArmPlatformGetPlatformPpiList (
OUT UINTN *PpiListSize,
OUT EFI_PEI_PPI_DESCRIPTOR **PpiList
)
{
*PpiListSize = sizeof(gPlatformPpiTable);
*PpiList = gPlatformPpiTable;
}
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