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1ddb209e | 1 | /** @file |
2 | * | |
0db25ccc | 3 | * Copyright (c) 2011-2012, ARM Limited. All rights reserved. |
1ddb209e | 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/IoLib.h> | |
1ddb209e | 16 | #include <Library/ArmPlatformLib.h> |
17 | #include <Library/DebugLib.h> | |
18 | #include <Library/PcdLib.h> | |
0db25ccc | 19 | |
1ddb209e | 20 | #include <Drivers/PL310L2Cache.h> |
d17afc8a | 21 | #include <Drivers/SP804Timer.h> |
0db25ccc | 22 | |
d17afc8a | 23 | #include <ArmPlatform.h> |
1ddb209e | 24 | |
25 | /** | |
26 | Initialize the Secure peripherals and memory regions | |
27 | ||
28 | If Trustzone is supported by your platform then this function makes the required initialization | |
29 | of the secure peripherals and memory regions. | |
30 | ||
31 | **/ | |
32 | VOID | |
e314d564 | 33 | ArmPlatformSecTrustzoneInit ( |
5e773144 | 34 | IN UINTN MpId |
1ddb209e | 35 | ) |
36 | { | |
37 | // No TZPC or TZASC on RTSM to initialize | |
38 | } | |
39 | ||
40 | /** | |
41 | Initialize controllers that must setup at the early stage | |
42 | ||
43 | Some peripherals must be initialized in Secure World. | |
44 | For example, some L2x0 requires to be initialized in Secure World | |
45 | ||
46 | **/ | |
e314d564 | 47 | RETURN_STATUS |
1ddb209e | 48 | ArmPlatformSecInitialize ( |
e314d564 | 49 | IN UINTN MpId |
1ddb209e | 50 | ) |
51 | { | |
e314d564 | 52 | // If it is not the primary core then there is nothing to do |
53 | if (!IS_PRIMARY_CORE(MpId)) { | |
54 | return RETURN_SUCCESS; | |
55 | } | |
56 | ||
d17afc8a | 57 | // Configure periodic timer (TIMER0) for 1MHz operation |
58 | MmioOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, SP810_SYS_CTRL_TIMER0_TIMCLK); | |
59 | // Configure 1MHz clock | |
60 | MmioOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, SP810_SYS_CTRL_TIMER1_TIMCLK); | |
61 | // Configure SP810 to use 1MHz clock and disable | |
62 | MmioAndThenOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, ~SP810_SYS_CTRL_TIMER2_EN, SP810_SYS_CTRL_TIMER2_TIMCLK); | |
63 | // Configure SP810 to use 1MHz clock and disable | |
64 | MmioAndThenOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, ~SP810_SYS_CTRL_TIMER3_EN, SP810_SYS_CTRL_TIMER3_TIMCLK); | |
e314d564 | 65 | |
66 | return RETURN_SUCCESS; | |
1ddb209e | 67 | } |
68 | ||
69 | /** | |
70 | Call before jumping to Normal World | |
71 | ||
72 | This function allows the firmware platform to do extra actions before | |
73 | jumping to the Normal World | |
74 | ||
75 | **/ | |
76 | VOID | |
77 | ArmPlatformSecExtraAction ( | |
78 | IN UINTN MpId, | |
79 | OUT UINTN* JumpAddress | |
80 | ) | |
81 | { | |
82 | *JumpAddress = PcdGet32(PcdFvBaseAddress); | |
83 | } |