/* * Copyright (C) 2010-2011 Apple Inc. All rights reserved. * * This document is the property of Apple Inc. * It is considered confidential and proprietary. * * This document may not be reproduced or transmitted in any form, * in whole or in part, without the express written permission of * Apple Inc. */ #include .text ARM_FUNCTION _platform_start // Configure the first half of the cache as RAM mov r2, #0xFF000000 // L2CCONFIG0.AcpMask[7:0] = 0xFF orr r2, r2, #0x000F0000 // L2CCONFIG0.RamWayMask[7:0] = 0x0F orr r2, r2, #0x00000002 // L2CCONFIG0.RamEna = 1 mcr p15, 1, r2, c15, c2, 0 // Write to L2CCONFIG0 isb // Wait for the write to take effect bx lr ARM_FUNCTION _miu_read_l2cadrmap mrc p15, 1, r0, c15, c2, 4 bx lr ARM_FUNCTION _miu_write_l2cadrmap mcr p15, 1, r0, c15, c2, 4 isb bx lr