1e33b78a6SSoby Mathew/* 2*044bb2faSAntonio Nino Diaz * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved. 3e33b78a6SSoby Mathew * 4e33b78a6SSoby Mathew * Redistribution and use in source and binary forms, with or without 5e33b78a6SSoby Mathew * modification, are permitted provided that the following conditions are met: 6e33b78a6SSoby Mathew * 7e33b78a6SSoby Mathew * Redistributions of source code must retain the above copyright notice, this 8e33b78a6SSoby Mathew * list of conditions and the following disclaimer. 9e33b78a6SSoby Mathew * 10e33b78a6SSoby Mathew * Redistributions in binary form must reproduce the above copyright notice, 11e33b78a6SSoby Mathew * this list of conditions and the following disclaimer in the documentation 12e33b78a6SSoby Mathew * and/or other materials provided with the distribution. 13e33b78a6SSoby Mathew * 14e33b78a6SSoby Mathew * Neither the name of ARM nor the names of its contributors may be used 15e33b78a6SSoby Mathew * to endorse or promote products derived from this software without specific 16e33b78a6SSoby Mathew * prior written permission. 17e33b78a6SSoby Mathew * 18e33b78a6SSoby Mathew * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19e33b78a6SSoby Mathew * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20e33b78a6SSoby Mathew * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21e33b78a6SSoby Mathew * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22e33b78a6SSoby Mathew * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23e33b78a6SSoby Mathew * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24e33b78a6SSoby Mathew * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25e33b78a6SSoby Mathew * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26e33b78a6SSoby Mathew * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27e33b78a6SSoby Mathew * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28e33b78a6SSoby Mathew * POSSIBILITY OF SUCH DAMAGE. 29e33b78a6SSoby Mathew */ 30e33b78a6SSoby Mathew#include <aem_generic.h> 31e33b78a6SSoby Mathew#include <arch.h> 32e33b78a6SSoby Mathew#include <asm_macros.S> 33e33b78a6SSoby Mathew#include <assert_macros.S> 34e33b78a6SSoby Mathew#include <cpu_macros.S> 35e33b78a6SSoby Mathew 36e33b78a6SSoby Mathewfunc aem_generic_core_pwr_dwn 37e33b78a6SSoby Mathew /* Assert if cache is enabled */ 38*044bb2faSAntonio Nino Diaz#if ENABLE_ASSERTIONS 39e33b78a6SSoby Mathew ldcopr r0, SCTLR 40e33b78a6SSoby Mathew tst r0, #SCTLR_C_BIT 41e33b78a6SSoby Mathew ASM_ASSERT(eq) 42e33b78a6SSoby Mathew#endif 43e33b78a6SSoby Mathew /* --------------------------------------------- 44e33b78a6SSoby Mathew * Flush L1 cache to PoU. 45e33b78a6SSoby Mathew * --------------------------------------------- 46e33b78a6SSoby Mathew */ 47e33b78a6SSoby Mathew mov r0, #DC_OP_CISW 48e33b78a6SSoby Mathew b dcsw_op_louis 49e33b78a6SSoby Mathewendfunc aem_generic_core_pwr_dwn 50e33b78a6SSoby Mathew 51e33b78a6SSoby Mathew 52e33b78a6SSoby Mathewfunc aem_generic_cluster_pwr_dwn 53e33b78a6SSoby Mathew /* Assert if cache is enabled */ 54*044bb2faSAntonio Nino Diaz#if ENABLE_ASSERTIONS 55e33b78a6SSoby Mathew ldcopr r0, SCTLR 56e33b78a6SSoby Mathew tst r0, #SCTLR_C_BIT 57e33b78a6SSoby Mathew ASM_ASSERT(eq) 58e33b78a6SSoby Mathew#endif 59e33b78a6SSoby Mathew /* --------------------------------------------- 60e33b78a6SSoby Mathew * Flush L1 and L2 caches to PoC. 61e33b78a6SSoby Mathew * --------------------------------------------- 62e33b78a6SSoby Mathew */ 63e33b78a6SSoby Mathew mov r0, #DC_OP_CISW 64e33b78a6SSoby Mathew b dcsw_op_all 65e33b78a6SSoby Mathewendfunc aem_generic_cluster_pwr_dwn 66e33b78a6SSoby Mathew 67e33b78a6SSoby Mathew/* cpu_ops for Base AEM FVP */ 685dd9dbb5SJeenu Viswambharandeclare_cpu_ops aem_generic, BASE_AEM_MIDR, CPU_NO_RESET_FUNC, \ 695dd9dbb5SJeenu Viswambharan aem_generic_core_pwr_dwn, \ 705dd9dbb5SJeenu Viswambharan aem_generic_cluster_pwr_dwn 71