/* * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of ARM nor the names of its contributors may be used * to endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include void bl31_arch_next_el_setup(void); /******************************************************************************* * BL31 is responsible for setting up the runtime services for the primary cpu * before passing control to the bootloader (UEFI) or Linux. ******************************************************************************/ void bl31_main(void) { el_change_info *image_info; unsigned long mpidr = read_mpidr(); /* Perform remaining generic architectural setup from EL3 */ bl31_arch_setup(); /* Perform platform setup in BL1 */ bl31_platform_setup(); #if defined (__GNUC__) printf("BL31 Built : %s, %s\n\r", __TIME__, __DATE__); #endif /* Initialize the runtime services e.g. psci */ runtime_svc_init(mpidr); /* Clean caches before re-entering normal world */ dcsw_op_all(DCCSW); image_info = bl31_get_next_image_info(); bl31_arch_next_el_setup(); change_el(image_info); /* There is no valid reason for change_el() to return */ assert(0); }