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Diffstat (limited to 'ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEb.c')
-rw-r--r-- | ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEb.c | 68 |
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 +} |