/** @file
*
-* Copyright (c) 2011, ARM Limited. All rights reserved.
+* 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
#include <Library/PcdLib.h>
#include <Omap3530/Omap3530.h>
+#include <BeagleBoard.h>
VOID
PadConfiguration (
- VOID
+ BEAGLEBOARD_REVISION Revision
);
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.
+ Detect board revision
+ @return Board revision
**/
-VOID
-ArmPlatformBootRemapping (
+BEAGLEBOARD_REVISION
+BeagleBoardGetRevision (
VOID
)
{
- // Do nothing for the BeagleBoard
+ UINT32 OldPinDir;
+ UINT32 Revision;
+
+ // Read GPIO 171, 172, 173
+ OldPinDir = MmioRead32 (GPIO6_BASE + GPIO_OE);
+ MmioWrite32(GPIO6_BASE + GPIO_OE, (OldPinDir | BIT11 | BIT12 | BIT13));
+ Revision = MmioRead32 (GPIO6_BASE + GPIO_DATAIN);
+
+ // Restore I/O settings
+ MmioWrite32 (GPIO6_BASE + GPIO_OE, OldPinDir);
+
+ return (BEAGLEBOARD_REVISION)((Revision >> 11) & 0x7);
}
/**
For example, some L2x0 requires to be initialized in Secure World
**/
-VOID
-ArmPlatformNormalInitialize (
- VOID
+RETURN_STATUS
+ArmPlatformInitialize (
+ IN UINTN MpId
)
{
- //Set up Pin muxing.
- PadConfiguration ();
+ BEAGLEBOARD_REVISION Revision;
+
+ Revision = BeagleBoardGetRevision();
+
+ // Set up Pin muxing.
+ PadConfiguration (Revision);
// Set up system clocking
ClockInit ();
// Clear IRQs
MmioWrite32 (INTCPS_CONTROL, INTCPS_CONTROL_NEWIRQAGR);
ArmDataSyncronizationBarrier ();
+
+ return RETURN_SUCCESS;
}
/**