/* * Copyright (c) 2014-2019, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include #include #include #include #include #include /******************************************************************************* * Initialize the UART ******************************************************************************/ void tsp_early_platform_setup(void) { /* * Register a different console than already in use to display * messages from TSP */ static console_cdns_t tsp_boot_console; (void)console_cdns_register(ZYNQMP_UART_BASE, zynqmp_get_uart_clk(), ZYNQMP_UART_BAUDRATE, &tsp_boot_console); console_set_scope(&tsp_boot_console.console, CONSOLE_FLAG_RUNTIME | CONSOLE_FLAG_BOOT); /* Initialize the platform config for future decision making */ zynqmp_config_setup(); } /******************************************************************************* * Perform platform specific setup placeholder ******************************************************************************/ void tsp_platform_setup(void) { plat_arm_gic_driver_init(); plat_arm_gic_init(); } /******************************************************************************* * Perform the very early platform specific architectural setup here. At the * moment this is only intializes the MMU ******************************************************************************/ void tsp_plat_arch_setup(void) { const mmap_region_t bl_regions[] = { MAP_REGION_FLAT(BL32_BASE, BL32_END - BL32_BASE, MT_MEMORY | MT_RW | MT_SECURE), MAP_REGION_FLAT(BL_CODE_BASE, BL_CODE_END - BL_CODE_BASE, MT_CODE | MT_SECURE), MAP_REGION_FLAT(BL_RO_DATA_BASE, BL_RO_DATA_END - BL_RO_DATA_BASE, MT_RO_DATA | MT_SECURE), MAP_REGION_FLAT(BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE, MT_DEVICE | MT_RW | MT_SECURE), {0} }; setup_page_tables(bl_regions, plat_arm_get_mmap()); enable_mmu_el1(0); }