lpc24xx/start/start-config-mpu.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSBSPsARMLPC24XX
0007  *
0008  * @brief BSP start MPU configuration.
0009  */
0010
0011 /*
0012  * Copyright (C) 2011, 2019 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/start-config.h>
0037
0038 #ifdef ARM_MULTILIB_ARCH_V7M
0039   BSP_START_DATA_SECTION const ARMV7M_MPU_Region
0040     lpc24xx_start_config_mpu_region [] = {
0041       #if defined(LPC24XX_EMC_IS42S32800D7) \
0042         || defined(LPC24XX_EMC_IS42S32800B) \
0043         || defined(LPC24XX_EMC_MT48LC4M16A2) \
0044         || defined(LPC24XX_EMC_W9825G2JB75I)
0045         ARMV7M_MPU_REGION_INITIALIZER(
0046           0,
0047           0x00000000,
0048           ARMV7M_MPU_SIZE_512_KB,
0049           ARMV7M_MPU_ATTR_RX
0050         ),
0051         ARMV7M_MPU_REGION_INITIALIZER(
0052           1,
0053           0x10000000,
0054           ARMV7M_MPU_SIZE_64_KB,
0055           ARMV7M_MPU_ATTR_RWX
0056         ),
0057         ARMV7M_MPU_REGION_INITIALIZER(
0058           2,
0059           0x20000000,
0060           ARMV7M_MPU_SIZE_32_KB,
0061           ARMV7M_MPU_ATTR_RWX
0062         ),
0063         ARMV7M_MPU_REGION_INITIALIZER(
0064           3,
0065           0xa0000000,
0066           #if defined(LPC24XX_EMC_MT48LC4M16A2)
0067             ARMV7M_MPU_SIZE_8_MB,
0068           #else
0069             ARMV7M_MPU_SIZE_32_MB,
0070           #endif
0071           ARMV7M_MPU_ATTR_RWX
0072         ),
0073         ARMV7M_MPU_REGION_INITIALIZER(
0074           4,
0075           0x20080000,
0076           ARMV7M_MPU_SIZE_128_KB,
0077           ARMV7M_MPU_ATTR_IO
0078         ),
0079         ARMV7M_MPU_REGION_INITIALIZER(
0080           5,
0081           0x40000000,
0082           ARMV7M_MPU_SIZE_1_MB,
0083           ARMV7M_MPU_ATTR_IO
0084         ),
0085         #if defined(LPC24XX_EMC_M29W320E70) \
0086           || defined(LPC24XX_EMC_SST39VF3201)
0087           ARMV7M_MPU_REGION_INITIALIZER(
0088             6,
0089             0x80000000,
0090             ARMV7M_MPU_SIZE_4_MB,
0091             ARMV7M_MPU_ATTR_RWX
0092           ),
0093         #else
0094           ARMV7M_MPU_REGION_DISABLED_INITIALIZER(6),
0095         #endif
0096         ARMV7M_MPU_REGION_DISABLED_INITIALIZER(7)
0097      #endif
0098   };
0099
0100   BSP_START_DATA_SECTION const size_t
0101     lpc24xx_start_config_mpu_region_count =
0102       sizeof(lpc24xx_start_config_mpu_region)
0103         / sizeof(lpc24xx_start_config_mpu_region [0]);
0104 #endif