summaryrefslogtreecommitdiff
path: root/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEb.c
diff options
context:
space:
mode:
Diffstat (limited to 'ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEb.c')
-rw-r--r--ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEb.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEb.c b/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEb.c
new file mode 100644
index 0000000000..2bbca875e8
--- /dev/null
+++ b/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEb.c
@@ -0,0 +1,68 @@
+/** @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>
+
+/**
+ Return if Trustzone is supported by your platform
+
+ A non-zero value must be returned if you want to support a Secure World on your platform.
+ ArmPlatformTrustzoneInit() will later set up the secure regions.
+ This function can return 0 even if Trustzone is supported by your processor. In this case,
+ the platform will continue to run in Secure World.
+
+ @return A non-zero value if Trustzone supported.
+
+**/
+UINTN ArmPlatformTrustzoneSupported(VOID) {
+ // There is no Trustzone controllers (TZPC & TZASC) and no Secure Memory on RTSM
+ return FALSE;
+}
+
+/**
+ 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 ArmPlatformTrustzoneInit(VOID) {
+ ASSERT(FALSE);
+}
+
+/**
+ 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
+}
+
+/**
+ 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
+}