1 /* 2 * Copyright (c) 2013-2014, 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 #ifndef __BL2_H__ 32 #define __BL2_H__ 33 34 /****************************************** 35 * Data declarations 36 *****************************************/ 37 extern unsigned long long bl2_entrypoint; 38 39 /****************************************** 40 * Forward declarations 41 *****************************************/ 42 struct meminfo; 43 struct bl31_args; 44 45 /****************************************** 46 * Function prototypes 47 *****************************************/ 48 extern void bl2_platform_setup(void); 49 extern struct meminfo *bl2_plat_sec_mem_layout(void); 50 51 /******************************************************************************* 52 * This function returns a pointer to the shared memory that the platform has 53 * kept aside to pass trusted firmware related information that BL3-1 54 * could need 55 ******************************************************************************/ 56 extern struct bl31_params *bl2_plat_get_bl31_params(void); 57 58 /******************************************************************************* 59 * This function returns a pointer to the shared memory that the platform has 60 * kept aside to pass platform related information that BL3-1 could need 61 ******************************************************************************/ 62 extern struct bl31_plat_params *bl2_plat_get_bl31_plat_params(void); 63 64 /******************************************************************************* 65 * This function returns a pointer to the shared memory that the platform 66 * has kept to point to entry point information of BL31 to BL2 67 ******************************************************************************/ 68 extern struct entry_point_info *bl2_plat_get_bl31_ep_info(void); 69 70 71 /************************************************************************ 72 * This function flushes to main memory all the params that are 73 * passed to BL3-1 74 **************************************************************************/ 75 extern void bl2_plat_flush_bl31_params(void); 76 77 78 #endif /* __BL2_H__ */ 79