diff options
Diffstat (limited to 'BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c')
| -rwxr-xr-x | BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c | 270 |
1 files changed, 135 insertions, 135 deletions
diff --git a/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c b/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c index ff4c556..4e58f36 100755 --- a/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c +++ b/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c @@ -1,135 +1,135 @@ -/** @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 -* -* 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 <Omap3530/Omap3530.h> -#include <BeagleBoard.h> - -VOID -PadConfiguration ( - BEAGLEBOARD_REVISION Revision - ); - -VOID -ClockInit ( - VOID - ); - -/** - Detect board revision - - @return Board revision -**/ -BEAGLEBOARD_REVISION -BeagleBoardGetRevision ( - VOID - ) -{ - 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); -} - -/** - 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 - -**/ -RETURN_STATUS -ArmPlatformInitialize ( - IN UINTN MpId - ) -{ - BEAGLEBOARD_REVISION Revision; - - Revision = BeagleBoardGetRevision(); - - // Set up Pin muxing. - PadConfiguration (Revision); - - // Set up system clocking - ClockInit (); - - // Turn off the functional clock for Timer 3 - MmioAnd32 (CM_FCLKEN_PER, 0xFFFFFFFF ^ CM_ICLKEN_PER_EN_GPT3_ENABLE ); - ArmDataSyncronizationBarrier (); - - // Clear IRQs - MmioWrite32 (INTCPS_CONTROL, INTCPS_CONTROL_NEWIRQAGR); - ArmDataSyncronizationBarrier (); - - return RETURN_SUCCESS; -} - -/** - 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 -} - -VOID -ArmPlatformGetPlatformPpiList ( - OUT UINTN *PpiListSize, - OUT EFI_PEI_PPI_DESCRIPTOR **PpiList - ) -{ - *PpiListSize = 0; - *PpiList = NULL; -} - -UINTN -ArmPlatformGetCorePosition ( - IN UINTN MpId - ) -{ - return 1; -} - +/** @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
+*
+* 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 <Omap3530/Omap3530.h>
+#include <BeagleBoard.h>
+
+VOID
+PadConfiguration (
+ BEAGLEBOARD_REVISION Revision
+ );
+
+VOID
+ClockInit (
+ VOID
+ );
+
+/**
+ Detect board revision
+
+ @return Board revision
+**/
+BEAGLEBOARD_REVISION
+BeagleBoardGetRevision (
+ VOID
+ )
+{
+ 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);
+}
+
+/**
+ 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
+
+**/
+RETURN_STATUS
+ArmPlatformInitialize (
+ IN UINTN MpId
+ )
+{
+ BEAGLEBOARD_REVISION Revision;
+
+ Revision = BeagleBoardGetRevision();
+
+ // Set up Pin muxing.
+ PadConfiguration (Revision);
+
+ // Set up system clocking
+ ClockInit ();
+
+ // Turn off the functional clock for Timer 3
+ MmioAnd32 (CM_FCLKEN_PER, 0xFFFFFFFF ^ CM_ICLKEN_PER_EN_GPT3_ENABLE );
+ ArmDataSyncronizationBarrier ();
+
+ // Clear IRQs
+ MmioWrite32 (INTCPS_CONTROL, INTCPS_CONTROL_NEWIRQAGR);
+ ArmDataSyncronizationBarrier ();
+
+ return RETURN_SUCCESS;
+}
+
+/**
+ 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
+}
+
+VOID
+ArmPlatformGetPlatformPpiList (
+ OUT UINTN *PpiListSize,
+ OUT EFI_PEI_PPI_DESCRIPTOR **PpiList
+ )
+{
+ *PpiListSize = 0;
+ *PpiList = NULL;
+}
+
+UINTN
+ArmPlatformGetCorePosition (
+ IN UINTN MpId
+ )
+{
+ return 1;
+}
+
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