X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=BeagleBoardPkg%2FLibrary%2FBeagleBoardLib%2FBeagleBoard.c;h=d8eec72b7c2ca149d0bbc7d7bf19002a7fa40028;hp=a74b60d91ae2ccbe834256d1fbefe302d1ed67f3;hb=ef120b7d639b78c7942e07a2a5dadc3d657fcfd7;hpb=7f21c4a2276901c3bfc8712eabd170a41501aa12 diff --git a/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c b/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c old mode 100755 new mode 100644 index a74b60d91a..d8eec72b7c --- a/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c +++ b/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c @@ -1,124 +1,121 @@ -/** @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 -#include -#include -#include - -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 -} +/** @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 +#include +#include +#include + +#include +#include + +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 ); + ArmDataSynchronizationBarrier (); + + // Clear IRQs + MmioWrite32 (INTCPS_CONTROL, INTCPS_CONTROL_NEWIRQAGR); + ArmDataSynchronizationBarrier (); + + return RETURN_SUCCESS; +} + +VOID +ArmPlatformGetPlatformPpiList ( + OUT UINTN *PpiListSize, + OUT EFI_PEI_PPI_DESCRIPTOR **PpiList + ) +{ + *PpiListSize = 0; + *PpiList = NULL; +} + +UINTN +ArmPlatformGetCorePosition ( + IN UINTN MpId + ) +{ + return 1; +} +