mpc55xxevb/start/start-config-ebi.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSBSPsPowerPCMPC55XX
0007  *
0008  * @brief EBI configuration.
0009  */
0010
0011 /*
0012  * Copyright (c) 2012 embedded brains GmbH & Co. KG
0013  *
0014  * Redistribution and use in source and binary forms, with or without
0015  * modification, are permitted provided that the following conditions
0016  * are met:
0017  * 1. Redistributions of source code must retain the above copyright
0018  *    notice, this list of conditions and the following disclaimer.
0019  * 2. Redistributions in binary form must reproduce the above copyright
0020  *    notice, this list of conditions and the following disclaimer in the
0021  *    documentation and/or other materials provided with the distribution.
0022  *
0023  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0024  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0025  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0026  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0027  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0028  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0029  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0030  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0031  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0032  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0033  * POSSIBILITY OF SUCH DAMAGE.
0034  */
0035
0036 #include <bsp/mpc55xx-config.h>
0037
0038 #ifdef MPC55XX_HAS_EBI
0039
0040 const mpc55xx_ebi_config mpc55xx_start_config_ebi [] = {
0041   #if defined(MPC55XX_BOARD_GWLCFM)
0042     {
0043       .ebi_mcr = {
0044         .B = {
0045           .DBM = 1,
0046           .AD_MUX = 1, /* use multiplexed bus */
0047           .D16_31 = 1 /* use lower AD bus    */
0048         }
0049       },
0050       .siu_eccr_ebdf = 4 - 1 /* use CLK/4 as bus clock */
0051     }
0052   #elif (defined(MPC55XX_BOARD_MPC5674FEVB) \
0053     || defined(MPC55XX_BOARD_MPC5674F_ECU508) \
0054     || defined(MPC55XX_BOARD_MPC5674F_RSM6)) \
0055       && defined(MPC55XX_NEEDS_LOW_LEVEL_INIT)
0056     {
0057       .ebi_mcr = {
0058         .B = {
0059           .ACGE = 0,
0060           .MDIS = 0,
0061           .D16_31 = 1,
0062           .AD_MUX = 0,
0063           .DBM = 0
0064         }
0065       },
0066       .siu_eccr_ebdf = 2 - 1
0067     }
0068   #endif
0069 };
0070
0071 const size_t mpc55xx_start_config_ebi_count [] = {
0072   RTEMS_ARRAY_SIZE(mpc55xx_start_config_ebi)
0073 };
0074
0075 #endif /* MPC55XX_HAS_EBI */