1 /* 2 * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * Redistributions of source code must retain the above copyright notice, this 8 * list of conditions and the following disclaimer. 9 * 10 * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * Neither the name of ARM nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific 16 * prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <arm_def.h> 32 #include <bl_common.h> 33 #include <console.h> 34 #include <platform_def.h> 35 #include <platform_tsp.h> 36 #include <plat_arm.h> 37 38 #define BL32_END (unsigned long)(&__BL32_END__) 39 40 /* Weak definitions may be overridden in specific ARM standard platform */ 41 #pragma weak tsp_early_platform_setup 42 #pragma weak tsp_platform_setup 43 #pragma weak tsp_plat_arch_setup 44 45 46 /******************************************************************************* 47 * Initialize the UART 48 ******************************************************************************/ 49 void arm_tsp_early_platform_setup(void) 50 { 51 /* 52 * Initialize a different console than already in use to display 53 * messages from TSP 54 */ 55 console_init(PLAT_ARM_TSP_UART_BASE, PLAT_ARM_TSP_UART_CLK_IN_HZ, 56 ARM_CONSOLE_BAUDRATE); 57 } 58 59 void tsp_early_platform_setup(void) 60 { 61 arm_tsp_early_platform_setup(); 62 } 63 64 /******************************************************************************* 65 * Perform platform specific setup placeholder 66 ******************************************************************************/ 67 void tsp_platform_setup(void) 68 { 69 plat_arm_gic_driver_init(); 70 } 71 72 /******************************************************************************* 73 * Perform the very early platform specific architectural setup here. At the 74 * moment this is only intializes the MMU 75 ******************************************************************************/ 76 void tsp_plat_arch_setup(void) 77 { 78 arm_setup_page_tables(BL32_BASE, 79 (BL32_END - BL32_BASE), 80 BL_CODE_BASE, 81 BL_CODE_END, 82 BL_RO_DATA_BASE, 83 BL_RO_DATA_END 84 #if USE_COHERENT_MEM 85 , BL_COHERENT_RAM_BASE, 86 BL_COHERENT_RAM_END 87 #endif 88 ); 89 enable_mmu_el1(0); 90 } 91