/** @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. | |
* | |
**/ | |
#ifndef _ARMPLATFORMSECLIB_H_ | |
#define _ARMPLATFORMSECLIB_H_ | |
#define ARM_SEC_BOOT_MASK ~0 | |
#define ARM_SEC_COLD_BOOT (1 << 0) | |
#define ARM_SEC_SECONDARY_COLD_BOOT (1 << 1) | |
/** | |
Initialize the memory where the initial stacks will reside | |
This memory can contain the initial stacks (Secure and Secure Monitor stacks). | |
In some platform, this region is already initialized and the implementation of this function can | |
do nothing. This memory can also represent the Secure RAM. | |
This function is called before the satck has been set up. Its implementation must ensure the stack | |
pointer is not used (probably required to use assembly language) | |
**/ | |
VOID | |
ArmPlatformSecBootMemoryInit ( | |
VOID | |
); | |
/** | |
Call at the beginning of the platform boot up | |
This function allows the firmware platform to do extra actions at the early | |
stage of the platform power up. | |
Note: This function must be implemented in assembler as there is no stack set up yet | |
**/ | |
VOID | |
ArmPlatformSecBootAction ( | |
VOID | |
); | |
/** | |
Initialize controllers that must setup at the early stage | |
Some peripherals must be initialized in Secure World. | |
For example: Some L2 controller, interconnect, clock, DMC, etc | |
**/ | |
RETURN_STATUS | |
ArmPlatformSecInitialize ( | |
IN UINTN MpId | |
); | |
/** | |
Call before jumping to Normal World | |
This function allows the firmware platform to do extra actions before | |
jumping to the Normal World | |
**/ | |
VOID | |
ArmPlatformSecExtraAction ( | |
IN UINTN MpId, | |
OUT UINTN* JumpAddress | |
); | |
/** | |
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 | |
ArmPlatformSecTrustzoneInit ( | |
IN UINTN MpId | |
); | |
#endif |