mirror of https://github.com/acidanthera/audk.git
153 lines
4.0 KiB
C
153 lines
4.0 KiB
C
/** @file
|
|
*
|
|
* Copyright (c) 2011, 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 <Drivers/PL341Dmc.h>
|
|
#include <Drivers/SP804Timer.h>
|
|
|
|
#include <Ppi/ArmMpCoreInfo.h>
|
|
|
|
#include <ArmPlatform.h>
|
|
|
|
ARM_CORE_INFO mRealViewEbMpCoreInfoTable[] = {
|
|
{
|
|
// Cluster 0, Core 0
|
|
0x0, 0x0,
|
|
|
|
// MP Core MailBox Set/Get/Clear Addresses and Clear Value
|
|
(EFI_PHYSICAL_ADDRESS)ARM_EB_SYS_FLAGS_REG,
|
|
(EFI_PHYSICAL_ADDRESS)ARM_EB_SYS_FLAGS_SET_REG,
|
|
(EFI_PHYSICAL_ADDRESS)ARM_EB_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_EB_SYS_FLAGS_REG,
|
|
(EFI_PHYSICAL_ADDRESS)ARM_EB_SYS_FLAGS_SET_REG,
|
|
(EFI_PHYSICAL_ADDRESS)ARM_EB_SYS_FLAGS_CLR_REG,
|
|
(UINT64)0xFFFFFFFF
|
|
}
|
|
};
|
|
|
|
/**
|
|
Remap the memory at 0x0
|
|
|
|
Some platform requires or gives the ability to remap the memory at the address 0x0.
|
|
This function can do nothing if this feature is not relevant to your platform.
|
|
|
|
**/
|
|
VOID
|
|
ArmPlatformBootRemapping (
|
|
VOID
|
|
)
|
|
{
|
|
// Disable memory remapping and return to normal mapping
|
|
MmioOr32 (ARM_EB_SYSCTRL, BIT8); //EB_SP810_CTRL_BASE
|
|
}
|
|
|
|
/**
|
|
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 in the normal world
|
|
|
|
This function is called by the ArmPlatformPkg/PrePi or ArmPlatformPkg/PlatformPei
|
|
in the PEI phase.
|
|
|
|
**/
|
|
VOID
|
|
ArmPlatformNormalInitialize (
|
|
VOID
|
|
)
|
|
{
|
|
// Configure periodic timer (TIMER0) for 1MHz operation
|
|
MmioOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, SP810_SYS_CTRL_TIMER0_TIMCLK);
|
|
// Configure 1MHz clock
|
|
MmioOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, SP810_SYS_CTRL_TIMER1_TIMCLK);
|
|
// configure SP810 to use 1MHz clock and disable
|
|
MmioAndThenOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, ~SP810_SYS_CTRL_TIMER2_EN, SP810_SYS_CTRL_TIMER2_TIMCLK);
|
|
// Configure SP810 to use 1MHz clock and disable
|
|
MmioAndThenOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, ~SP810_SYS_CTRL_TIMER3_EN, SP810_SYS_CTRL_TIMER3_TIMCLK);
|
|
}
|
|
|
|
/**
|
|
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
|
|
}
|
|
|
|
EFI_STATUS
|
|
PrePeiCoreGetMpCoreInfo (
|
|
OUT UINTN *CoreCount,
|
|
OUT ARM_CORE_INFO **ArmCoreTable
|
|
)
|
|
{
|
|
if ((MmioRead32 (ARM_EB_SYS_PROCID0_REG) & ARM_EB_SYS_PROC_ID_MASK) == ARM_EB_SYS_PROC_ID_CORTEX_A9) {
|
|
*CoreCount = sizeof(mRealViewEbMpCoreInfoTable) / sizeof(ARM_CORE_INFO);
|
|
*ArmCoreTable = mRealViewEbMpCoreInfoTable;
|
|
return EFI_SUCCESS;
|
|
} else {
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
}
|
|
|
|
// Needs to be declared in the file. Otherwise gArmMpCoreInfoPpiGuid is undefined in the contect of PrePeiCore
|
|
EFI_GUID mArmMpCoreInfoPpiGuid = ARM_MP_CORE_INFO_PPI_GUID;
|
|
ARM_MP_CORE_INFO_PPI mMpCoreInfoPpi = { PrePeiCoreGetMpCoreInfo };
|
|
|
|
EFI_PEI_PPI_DESCRIPTOR gPlatformPpiTable[] = {
|
|
{
|
|
EFI_PEI_PPI_DESCRIPTOR_PPI,
|
|
&mArmMpCoreInfoPpiGuid,
|
|
&mMpCoreInfoPpi
|
|
}
|
|
};
|
|
|
|
VOID
|
|
ArmPlatformGetPlatformPpiList (
|
|
OUT UINTN *PpiListSize,
|
|
OUT EFI_PEI_PPI_DESCRIPTOR **PpiList
|
|
)
|
|
{
|
|
*PpiListSize = sizeof(gPlatformPpiTable);
|
|
*PpiList = gPlatformPpiTable;
|
|
}
|
|
|