raspberrypi/start/bspstarthooks.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSBSPsAArch64Raspberrypi4
0007  *
0008  * @brief BSP Startup Hooks
0009  */
0010
0011 /*
0012  * Copyright (C) 2022 Mohd Noor Aman
0013  *
0014  *
0015  * Redistribution and use in source and binary forms, with or without
0016  * modification, are permitted provided that the following conditions
0017  * are met:
0018  * 1. Redistributions of source code must retain the above copyright
0019  *    notice, this list of conditions and the following disclaimer.
0020  * 2. Redistributions in binary form must reproduce the above copyright
0021  *    notice, this list of conditions and the following disclaimer in the
0022  *    documentation and/or other materials provided with the distribution.
0023  *
0024  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0025  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0026  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0027  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0028  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0029  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0030  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0031  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0032  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0033  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0034  * POSSIBILITY OF SUCH DAMAGE.
0035  */
0036
0037 #include <bsp.h>
0038 #include <bsp/irq-generic.h>
0039 #include <bsp/start.h>
0040 #include <rtems/score/cpu.h>
0041
0042 #ifdef BSP_START_ENABLE_EL3_START_SUPPORT
0043 BSP_START_TEXT_SECTION void bsp_start_hook_0(void)
0044 {
0045   /* Do nothing */
0046 }
0047 #endif
0048
0049 BSP_START_TEXT_SECTION void bsp_start_hook_1(void)
0050 {
0051   AArch64_start_set_vector_base();
0052   bsp_start_copy_sections();
0053   raspberrypi_4_setup_mmu_and_cache();
0054   bsp_start_clear_bss();
0055 }