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12fcdcb8 | 1 | /** @file |
2 | * | |
e314d564 | 3 | * Copyright (c) 2011-2012, ARM Limited. All rights reserved. |
12fcdcb8 | 4 | * |
5 | * This program and the accompanying materials | |
6 | * are licensed and made available under the terms and conditions of the BSD License | |
7 | * which accompanies this distribution. The full text of the license may be found at | |
8 | * http://opensource.org/licenses/bsd-license.php | |
9 | * | |
10 | * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
11 | * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
12 | * | |
13 | **/ | |
14 | ||
15 | #include <Library/ArmPlatformLib.h> | |
16 | #include <Library/DebugLib.h> | |
17 | #include <Library/PcdLib.h> | |
18 | ||
19 | /** | |
20 | Initialize the Secure peripherals and memory regions | |
21 | ||
22 | If Trustzone is supported by your platform then this function makes the required initialization | |
23 | of the secure peripherals and memory regions. | |
24 | ||
25 | **/ | |
26 | VOID | |
e314d564 | 27 | ArmPlatformSecTrustzoneInit ( |
5e773144 | 28 | IN UINTN MpId |
12fcdcb8 | 29 | ) |
30 | { | |
5e773144 | 31 | // Secondary cores might have to set the Secure SGIs into the GICD_IGROUPR0 |
32 | if (!IS_PRIMARY_CORE(MpId)) { | |
33 | return; | |
34 | } | |
35 | ||
12fcdcb8 | 36 | ASSERT(FALSE); |
37 | } | |
38 | ||
39 | /** | |
40 | Initialize controllers that must setup at the early stage | |
41 | ||
42 | Some peripherals must be initialized in Secure World. | |
43 | For example, some L2x0 requires to be initialized in Secure World | |
44 | ||
45 | **/ | |
e314d564 | 46 | RETURN_STATUS |
12fcdcb8 | 47 | ArmPlatformSecInitialize ( |
e314d564 | 48 | IN UINTN MpId |
12fcdcb8 | 49 | ) |
50 | { | |
e314d564 | 51 | // If it is not the primary core then there is nothing to do |
52 | if (!IS_PRIMARY_CORE(MpId)) { | |
53 | return RETURN_SUCCESS; | |
54 | } | |
55 | ||
12fcdcb8 | 56 | // Do nothing yet |
e314d564 | 57 | return RETURN_SUCCESS; |
12fcdcb8 | 58 | } |
59 | ||
60 | /** | |
61 | Call before jumping to Normal World | |
62 | ||
63 | This function allows the firmware platform to do extra actions before | |
64 | jumping to the Normal World | |
65 | ||
66 | **/ | |
67 | VOID | |
68 | ArmPlatformSecExtraAction ( | |
69 | IN UINTN MpId, | |
70 | OUT UINTN* JumpAddress | |
71 | ) | |
72 | { | |
73 | *JumpAddress = PcdGet32(PcdFvBaseAddress); | |
74 | } |