1 // 2 // Copyright (c) 2011-2012, ARM Limited. All rights reserved. 3 // 4 // This program and the accompanying materials 5 // are licensed and made available under the terms and conditions of the BSD License 6 // which accompanies this distribution. The full text of the license may be found at 7 // http://opensource.org/licenses/bsd-license.php 8 // 9 // THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10 // WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11 // 12 // 13 14 #include <AsmMacroIoLib.h> 15 16 // IN None 17 // OUT r0 = SCU Base Address 18 ASM_FUNC(ArmGetScuBaseAddress) 19 // Read Configuration Base Address Register. ArmCBar cannot be called to get 20 // the Configuration BAR as a stack is not necessary setup. The SCU is at the 21 // offset 0x0000 from the Private Memory Region. 22 mrc p15, 4, r0, c15, c0, 0 23 bx lr 24