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git.proxmox.com Git - mirror_edk2.git/blob - ArmPkg/Library/ArmLib/ArmV7/ArmV7MPCore.c
3 * Copyright (c) 2011, ARM Limited. All rights reserved.
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
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.
16 #include <Chipset/ArmV7.h>
17 #include <Library/ArmLib.h>
18 #include <Library/BaseLib.h>
19 #include <Library/IoLib.h>
21 #include "ArmLibPrivate.h"
25 ArmSetupSmpNonSecure (
31 ArmSetAuxCrBit (A9_FEATURE_SMP
);
34 scu_base
= ArmGetScuBaseAddress();
36 // Allow NS access to SCU register
37 MmioOr32(scu_base
+ SCU_SACR_OFFSET
, 0xf);
38 // Allow NS access to Private Peripherals
39 MmioOr32(scu_base
+ SCU_SSACR_OFFSET
, 0xfff);
51 scu_base
= ArmGetScuBaseAddress();
53 // Invalidate all: write -1 to SCU Invalidate All register
54 MmioWrite32(scu_base
+ SCU_INVALL_OFFSET
, 0xffffffff);
56 MmioWrite32(scu_base
+ SCU_CONTROL_OFFSET
, 0x1);