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1 /** @file
2 
3   Copyright (c) 2011, ARM Limited. All rights reserved.
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 #ifndef __ARM_CORTEX_A9_H__
16 #define __ARM_CORTEX_A9_H__
17 
18 #include <Chipset/ArmV7.h>
19 
20 //
21 // Cortex A9 feature bit definitions
22 //
23 #define A9_FEATURE_PARITY  (1<<9)
24 #define A9_FEATURE_AOW     (1<<8)
25 #define A9_FEATURE_EXCL    (1<<7)
26 #define A9_FEATURE_SMP     (1<<6)
27 #define A9_FEATURE_FOZ     (1<<3)
28 #define A9_FEATURE_DPREF   (1<<2)
29 #define A9_FEATURE_HINT    (1<<1)
30 #define A9_FEATURE_FWD     (1<<0)
31 
32 //
33 // Cortex A9 Watchdog
34 //
35 #define ARM_A9_WATCHDOG_REGION           0x600
36 
37 #define ARM_A9_WATCHDOG_LOAD_REGISTER    0x20
38 #define ARM_A9_WATCHDOG_CONTROL_REGISTER 0x28
39 
40 #define ARM_A9_WATCHDOG_WATCHDOG_MODE    (1 << 3)
41 #define ARM_A9_WATCHDOG_TIMER_MODE       (0 << 3)
42 #define ARM_A9_WATCHDOG_SINGLE_SHOT      (0 << 1)
43 #define ARM_A9_WATCHDOG_AUTORELOAD       (1 << 1)
44 #define ARM_A9_WATCHDOG_ENABLE           1
45 
46 //
47 // SCU register offsets & masks
48 //
49 #define A9_SCU_CONTROL_OFFSET       0x0
50 #define A9_SCU_CONFIG_OFFSET        0x4
51 #define A9_SCU_INVALL_OFFSET        0xC
52 #define A9_SCU_FILT_START_OFFSET    0x40
53 #define A9_SCU_FILT_END_OFFSET      0x44
54 #define A9_SCU_SACR_OFFSET          0x50
55 #define A9_SCU_SSACR_OFFSET         0x54
56 
57 
58 UINTN
59 EFIAPI
60 ArmGetScuBaseAddress (
61   VOID
62   );
63 
64 #endif
65 
66