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 <tbbr_img_def.h> 33 #include "fvp_private.h" 34 35 36 /******************************************************************************* 37 * Perform any BL1 specific platform actions. 38 ******************************************************************************/ 39 void bl1_early_platform_setup(void) 40 { 41 arm_bl1_early_platform_setup(); 42 43 /* Initialize the platform config for future decision making */ 44 fvp_config_setup(); 45 46 /* 47 * Initialize Interconnect for this cluster during cold boot. 48 * No need for locks as no other CPU is active. 49 */ 50 fvp_interconnect_init(); 51 /* 52 * Enable coherency in Interconnect for the primary CPU's cluster. 53 */ 54 fvp_interconnect_enable(); 55 } 56 57 /******************************************************************************* 58 * The following function checks if Firmware update is needed, 59 * by checking if TOC in FIP image is valid or not. 60 ******************************************************************************/ 61 unsigned int bl1_plat_get_next_image_id(void) 62 { 63 if (!arm_io_is_toc_valid()) 64 return NS_BL1U_IMAGE_ID; 65 66 return BL2_IMAGE_ID; 67 } 68 69