summaryrefslogtreecommitdiff
path: root/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c
diff options
context:
space:
mode:
Diffstat (limited to 'BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c')
-rwxr-xr-xBeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c b/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c
new file mode 100755
index 0000000000..a74b60d91a
--- /dev/null
+++ b/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c
@@ -0,0 +1,124 @@
+/** @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>
+
+VOID
+PadConfiguration (
+ VOID
+ );
+
+VOID
+ClockInit (
+ VOID
+ );
+
+/**
+ 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
+ )
+{
+ // The BeagleBoard starts in Normal World (Non Secure World)
+ 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
+ )
+{
+ // Do nothing for the BeagleBoard
+}
+
+/**
+ 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 at the early stage
+
+ Some peripherals must be initialized in Secure World.
+ For example, some L2x0 requires to be initialized in Secure World
+
+**/
+VOID
+ArmPlatformNormalInitialize (
+ VOID
+ ) {
+ //Set up Pin muxing.
+ PadConfiguration ();
+
+ // Set up system clocking
+ ClockInit ();
+}
+
+/**
+ 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
+}