19b476841SSoby Mathew/* 29b476841SSoby Mathew * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved. 39b476841SSoby Mathew * 49b476841SSoby Mathew * Redistribution and use in source and binary forms, with or without 59b476841SSoby Mathew * modification, are permitted provided that the following conditions are met: 69b476841SSoby Mathew * 79b476841SSoby Mathew * Redistributions of source code must retain the above copyright notice, this 89b476841SSoby Mathew * list of conditions and the following disclaimer. 99b476841SSoby Mathew * 109b476841SSoby Mathew * Redistributions in binary form must reproduce the above copyright notice, 119b476841SSoby Mathew * this list of conditions and the following disclaimer in the documentation 129b476841SSoby Mathew * and/or other materials provided with the distribution. 139b476841SSoby Mathew * 149b476841SSoby Mathew * Neither the name of ARM nor the names of its contributors may be used 159b476841SSoby Mathew * to endorse or promote products derived from this software without specific 169b476841SSoby Mathew * prior written permission. 179b476841SSoby Mathew * 189b476841SSoby Mathew * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 199b476841SSoby Mathew * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 209b476841SSoby Mathew * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 219b476841SSoby Mathew * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 229b476841SSoby Mathew * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 239b476841SSoby Mathew * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 249b476841SSoby Mathew * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 259b476841SSoby Mathew * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 269b476841SSoby Mathew * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 279b476841SSoby Mathew * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 289b476841SSoby Mathew * POSSIBILITY OF SUCH DAMAGE. 299b476841SSoby Mathew */ 30*add40351SSoby Mathew#include <aem_generic.h> 319b476841SSoby Mathew#include <arch.h> 329b476841SSoby Mathew#include <asm_macros.S> 339b476841SSoby Mathew#include <cpu_macros.S> 349b476841SSoby Mathew 35*add40351SSoby Mathewfunc aem_generic_core_pwr_dwn 36*add40351SSoby Mathew /* --------------------------------------------- 37*add40351SSoby Mathew * Disable the Data Cache. 38*add40351SSoby Mathew * --------------------------------------------- 39*add40351SSoby Mathew */ 40*add40351SSoby Mathew mrs x1, sctlr_el3 41*add40351SSoby Mathew bic x1, x1, #SCTLR_C_BIT 42*add40351SSoby Mathew msr sctlr_el3, x1 43*add40351SSoby Mathew isb 449b476841SSoby Mathew 45*add40351SSoby Mathew mov x0, #DCCISW 46*add40351SSoby Mathew 47*add40351SSoby Mathew /* --------------------------------------------- 48*add40351SSoby Mathew * Flush L1 cache to PoU. 49*add40351SSoby Mathew * --------------------------------------------- 50*add40351SSoby Mathew */ 51*add40351SSoby Mathew b dcsw_op_louis 529b476841SSoby Mathew 539b476841SSoby Mathew 54*add40351SSoby Mathewfunc aem_generic_cluster_pwr_dwn 55*add40351SSoby Mathew /* --------------------------------------------- 56*add40351SSoby Mathew * Disable the Data Cache. 57*add40351SSoby Mathew * --------------------------------------------- 58*add40351SSoby Mathew */ 59*add40351SSoby Mathew mrs x1, sctlr_el3 60*add40351SSoby Mathew bic x1, x1, #SCTLR_C_BIT 61*add40351SSoby Mathew msr sctlr_el3, x1 62*add40351SSoby Mathew isb 63*add40351SSoby Mathew 64*add40351SSoby Mathew /* --------------------------------------------- 65*add40351SSoby Mathew * Flush L1 and L2 caches to PoC. 66*add40351SSoby Mathew * --------------------------------------------- 67*add40351SSoby Mathew */ 68*add40351SSoby Mathew mov x0, #DCCISW 69*add40351SSoby Mathew b dcsw_op_all 70*add40351SSoby Mathew 71*add40351SSoby Mathew 72*add40351SSoby Mathew/* cpu_ops for Base AEM FVP */ 739b476841SSoby Mathewdeclare_cpu_ops aem_generic, BASE_AEM_MIDR, 1 749b476841SSoby Mathew 75*add40351SSoby Mathew/* cpu_ops for Foundation FVP */ 769b476841SSoby Mathewdeclare_cpu_ops aem_generic, FOUNDATION_AEM_MIDR, 1 77