sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ArmPlatformPkg: Added initial support for the FVP Base and Foundation Models

Browse Source 
The FVP Base Model has GICv3 support.
UEFI SEC does limited configuration of GICv3 if present. This is required for Linux to use GICv3.
UEFI itself uses the GICv3 in legacy mode (GICv2).

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14824 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Olivier Martin
2013-11-05 18:10:36 +00:00
committed by oliviermartin
parent 50903aa5a8
commit 75f630347c
7 changed files with 757 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/RTSMSec.c
View File

@@ -1,18 +1,19 @@
/** @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
* Copyright (c) 2011-2013, ARM Limited. All rights reserved.
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
* 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/ArmGicLib.h>
#include <Library/ArmPlatformLib.h>
#include <Library/DebugLib.h>
#include <Library/PcdLib.h>
@@ -22,6 +23,12 @@
#include <ArmPlatform.h>
// Initialize GICv3 to expose it as a GICv2 as UEFI does not support GICv3 yet
VOID
InitializeGicV3 (
VOID
);
/**
Initialize the Secure peripherals and memory regions
@@ -49,6 +56,8 @@ ArmPlatformSecInitialize (
IN UINTN MpId
)
{
UINT32 Identification;
// If it is not the primary core then there is nothing to do
if (!ArmPlatformIsPrimaryCore (MpId)) {
return RETURN_SUCCESS;
@@ -63,6 +72,14 @@ ArmPlatformSecInitialize (
// 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);
// Read the GIC Identification Register
Identification = MmioRead32 (PcdGet32(PcdGicInterruptInterfaceBase) + ARM_GIC_ICCIDR);
// Check if we are GICv3
if (ARM_GIC_ICCIDR_GET_ARCH_VERSION(Identification) >= 0x3) {
InitializeGicV3 ();
}
return RETURN_SUCCESS;
}