diff options
| author | Harry Liebel <Harry.Liebel@arm.com> | 2013-07-19 00:07:16 +0000 |
|---|---|---|
| committer | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-07-19 00:07:16 +0000 |
| commit | f9cec5f1d9680b285d5adbb8db74d68e2294ec79 (patch) | |
| tree | c402d79fdbb6e657d99cb27e736327ce49d80c9d /ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM | |
| parent | 6cf57789614b591da97862acf98dfc7c31a52bf1 (diff) | |
| download | edk2-platforms-f9cec5f1d9680b285d5adbb8db74d68e2294ec79.tar.xz | |
ArmPlatformPkg: Added Aarch64 Foundation Model
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Harry Liebel <Harry.Liebel@arm.com>
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14495 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM')
3 files changed, 188 insertions, 0 deletions
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/AArch64/RTSMFoundationBoot.S b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/AArch64/RTSMFoundationBoot.S new file mode 100644 index 0000000000..b2ebeca067 --- /dev/null +++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/AArch64/RTSMFoundationBoot.S @@ -0,0 +1,75 @@ +//
+// 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 <AsmMacroIoLib.h>
+#include <Base.h>
+#include <Library/ArmPlatformLib.h>
+#include <AutoGen.h>
+#include <ArmPlatform.h>
+
+.text
+.align 3
+
+ASM_GLOBAL ASM_PFX(ArmPlatformSecBootAction)
+ASM_GLOBAL ASM_PFX(ArmPlatformSecBootMemoryInit)
+ASM_GLOBAL ASM_PFX(ArmSecMpCoreSecondariesWrite)
+ASM_GLOBAL ASM_PFX(ArmSecMpCoreSecondariesRead)
+
+/**
+ Call at the beginning of the platform boot up
+
+ This function allows the firmware platform to do extra actions at the early
+ stage of the platform power up.
+
+ Note: This function must be implemented in assembler as there is no stack set up yet
+
+**/
+ASM_PFX(ArmPlatformSecBootAction):
+ ret
+
+/**
+ Initialize the memory where the initial stacks will reside
+
+ This memory can contain the initial stacks (Secure and Secure Monitor stacks).
+ In some platform, this region is already initialized and the implementation of this function can
+ do nothing. This memory can also represent the Secure RAM.
+ This function is called before the stack has been set up. Its implementation must ensure the stack
+ pointer is not used (probably required to use assembly language)
+
+**/
+ASM_PFX(ArmPlatformSecBootMemoryInit):
+ // The SMC does not need to be initialized for RTSM
+ ret
+
+
+// NOTE:
+// The foundation model does not have the VE_SYS_REGS like all the other VE
+// platforms. We pick a spot in RAM that *should* be safe in the simple case
+// of no UEFI apps interfering (Only the Linux loader getting used). By the
+// time we come to load Linux we should have all the cores in a safe place.
+// The image expects to be loaded at 0xa0000000. We also place the mailboxes
+// here as it does not matter if we corrupt the image at this time.
+// NOTE also see: "ArmVExpressLibRTSM/RTSMFoundation.c"
+
+/* Write the flag register used to start Secondary cores */
+ASM_PFX(ArmSecMpCoreSecondariesWrite):
+ ldr x1, =0xa0000000
+ str w0, [x1]
+ ret
+
+
+/* Read the flag register used to start Secondary cores */
+ASM_PFX(ArmSecMpCoreSecondariesRead):
+ ldr x1, =0xa0000000
+ ldr w0, [x1]
+ ret
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/ArmVExpressFoundationSecLib.inf b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/ArmVExpressFoundationSecLib.inf new file mode 100644 index 0000000000..b1fda32f10 --- /dev/null +++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/ArmVExpressFoundationSecLib.inf @@ -0,0 +1,42 @@ +#/* @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.
+#
+#*/
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = RTSMArmVExpressFoundationSecLib
+ FILE_GUID = 9de85c42-0894-11e2-8ed6-1c6f650265cc
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = ArmPlatformSecLib
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ EmbeddedPkg/EmbeddedPkg.dec
+ ArmPkg/ArmPkg.dec
+ ArmPlatformPkg/ArmPlatformPkg.dec
+
+[LibraryClasses]
+ IoLib
+ ArmLib
+ SerialPortLib
+
+[Sources.common]
+ RTSMFoundationSec.c
+
+[Sources.AARCH64]
+ AArch64/RTSMFoundationBoot.S | GCC
+
+[FixedPcd]
+ gArmTokenSpaceGuid.PcdFvBaseAddress
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/RTSMFoundationSec.c b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/RTSMFoundationSec.c new file mode 100644 index 0000000000..a0b98d0990 --- /dev/null +++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/RTSMFoundationSec.c @@ -0,0 +1,71 @@ +/** @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 <Drivers/PL310L2Cache.h>
+#include <Drivers/SP804Timer.h>
+
+#include <ArmPlatform.h>
+
+/**
+ Initialize the Secure peripherals and memory regions
+
+ If Trustzone is supported by your platform then this function makes the required initialization
+ of the secure peripherals and memory regions.
+
+**/
+VOID
+ArmPlatformSecTrustzoneInit (
+ IN UINTN MpId
+ )
+{
+ // No TZPC or TZASC on RTSM to initialize
+}
+
+/**
+ 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
+ArmPlatformSecInitialize (
+ IN UINTN MpId
+ )
+{
+ /* The Foundation model has no SP810 to initialise. */
+
+ return RETURN_SUCCESS;
+}
+
+/**
+ Call before jumping to Normal World
+
+ This function allows the firmware platform to do extra actions before
+ jumping to the Normal World
+
+**/
+VOID
+ArmPlatformSecExtraAction (
+ IN UINTN MpId,
+ OUT UINTN* JumpAddress
+ )
+{
+ *JumpAddress = PcdGet32(PcdFvBaseAddress);
+}
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