/* * SPDX-License-Identifier: BSD-2-Clause * * Copyright (C) 2013 embedded brains GmbH * * Copyright (C) 2019 DornerWorks * * Written by Jeff Kubascik * and Josh Whitehead * * 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. */ #define ARM_CP15_TEXT_SECTION BSP_START_TEXT_SECTION #include #include #include #include BSP_START_DATA_SECTION static const arm_cp15_start_section_config zynqmp_mmu_config_table[] = { ARMV7_CP15_START_DEFAULT_SECTIONS, #if defined(RTEMS_SMP) { .begin = 0xffff0000U, .end = 0xffffffffU, .flags = ARMV7_MMU_DEVICE }, #endif { .begin = 0xf9000000U, .end = 0xf9100000U, .flags = ARMV7_MMU_DEVICE }, { .begin = 0xfd000000U, .end = 0xffc00000U, .flags = ARMV7_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) { uint32_t ctrl = arm_cp15_start_setup_mmu_and_cache( ARM_CP15_CTRL_TRE | ARM_CP15_CTRL_A, ARM_CP15_CTRL_AFE | ARM_CP15_CTRL_Z ); arm_cp15_start_setup_translation_table_and_enable_mmu_and_cache( ctrl, (uint32_t *) bsp_translation_table_base, ARM_MMU_DEFAULT_CLIENT_DOMAIN, &zynqmp_mmu_config_table[0], RTEMS_ARRAY_SIZE(zynqmp_mmu_config_table) ); }