1 /* 2 * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * Redistributions of source code must retain the above copyright notice, this 8 * list of conditions and the following disclaimer. 9 * 10 * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * Neither the name of ARM nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific 16 * prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <plat_arm.h> 32 #include "fvp_private.h" 33 34 #if LOAD_IMAGE_V2 35 void bl31_early_platform_setup(void *from_bl2, 36 void *plat_params_from_bl2) 37 #else 38 void bl31_early_platform_setup(bl31_params_t *from_bl2, 39 void *plat_params_from_bl2) 40 #endif 41 { 42 arm_bl31_early_platform_setup(from_bl2, plat_params_from_bl2); 43 44 /* Initialize the platform config for future decision making */ 45 fvp_config_setup(); 46 47 /* 48 * Initialize the correct interconnect for this cluster during cold 49 * boot. No need for locks as no other CPU is active. 50 */ 51 fvp_interconnect_init(); 52 53 /* 54 * Enable coherency in interconnect for the primary CPU's cluster. 55 * Earlier bootloader stages might already do this (e.g. Trusted 56 * Firmware's BL1 does it) but we can't assume so. There is no harm in 57 * executing this code twice anyway. 58 * FVP PSCI code will enable coherency for other clusters. 59 */ 60 fvp_interconnect_enable(); 61 } 62