/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSBSPsAArch64XilinxZynqMP
*
* @brief This source file contains the default MMU tables and setup.
*/
/*
* Copyright (C) 2021 On-Line Applications Research Corporation (OAR)
* Written by Kinsey Moore <kinsey.moore@oarcorp.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* 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 OWNER 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 <bsp.h>
#include <bsp/start.h>
#include <bsp/aarch64-mmu.h>
BSP_START_DATA_SECTION static const aarch64_mmu_config_entry
zynqmp_mmu_config_table[] = {
AARCH64_MMU_DEFAULT_SECTIONS,
#if defined( RTEMS_SMP )
{
.begin = 0xffff0000U,
.end = 0xffffffffU,
.flags = AARCH64_MMU_DEVICE
},
#endif
{
.begin = 0xf9000000U,
.end = 0xf9100000U,
.flags = AARCH64_MMU_DEVICE
}, {
.begin = 0xfd000000U,
.end = 0xffc00000U,
.flags = AARCH64_MMU_DEVICE
}
};
/*
* Make weak and let the user override.
*/
BSP_START_TEXT_SECTION void
zynqmp_setup_mmu_and_cache( void ) __attribute__ ((weak));
BSP_START_TEXT_SECTION void
zynqmp_setup_mmu_and_cache( void )
{
aarch64_mmu_setup();
aarch64_mmu_setup_translation_table_and_enable(
&zynqmp_mmu_config_table[ 0 ],
RTEMS_ARRAY_SIZE( zynqmp_mmu_config_table )
);
}
