1/* 2 * Copyright (c) 2013-2014, 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 <arch.h> 32#include <asm_macros.S> 33#include <platform_def.h> 34 35 .weak plat_report_exception 36 .weak plat_crash_console_init 37 .weak plat_crash_console_putc 38 .weak plat_reset_handler 39 .weak plat_disable_acp 40 .weak bl1_plat_prepare_exit 41 42#if !ENABLE_PLAT_COMPAT 43 .globl platform_get_core_pos 44 45#define MPIDR_RES_BIT_MASK 0xff000000 46 47 /* ------------------------------------------------------------------ 48 * int platform_get_core_pos(int mpidr) 49 * Returns the CPU index of the CPU specified by mpidr. This is 50 * defined when platform compatibility is disabled to enable Trusted 51 * Firmware components like SPD using the old platform API to work. 52 * This API is deprecated and it assumes that the mpidr specified is 53 * that of a valid and present CPU. Instead, plat_my_core_pos() 54 * should be used for CPU index of the current CPU and 55 * plat_core_pos_by_mpidr() should be used for CPU index of a 56 * CPU specified by its mpidr. 57 * ------------------------------------------------------------------ 58 */ 59func_deprecated platform_get_core_pos 60 bic x0, x0, #MPIDR_RES_BIT_MASK 61 mrs x1, mpidr_el1 62 bic x1, x1, #MPIDR_RES_BIT_MASK 63 cmp x0, x1 64 beq plat_my_core_pos 65 b platform_core_pos_helper 66endfunc_deprecated platform_get_core_pos 67#endif 68 69 /* ----------------------------------------------------- 70 * Placeholder function which should be redefined by 71 * each platform. 72 * ----------------------------------------------------- 73 */ 74func plat_report_exception 75 ret 76endfunc plat_report_exception 77 78 /* ----------------------------------------------------- 79 * Placeholder function which should be redefined by 80 * each platform. 81 * ----------------------------------------------------- 82 */ 83func plat_crash_console_init 84 mov x0, #0 85 ret 86endfunc plat_crash_console_init 87 88 /* ----------------------------------------------------- 89 * Placeholder function which should be redefined by 90 * each platform. 91 * ----------------------------------------------------- 92 */ 93func plat_crash_console_putc 94 ret 95endfunc plat_crash_console_putc 96 97 /* ----------------------------------------------------- 98 * Placeholder function which should be redefined by 99 * each platform. This function should preserve x10. 100 * ----------------------------------------------------- 101 */ 102func plat_reset_handler 103 ret 104endfunc plat_reset_handler 105 106 /* ----------------------------------------------------- 107 * Placeholder function which should be redefined by 108 * each platform. This function is allowed to use 109 * registers x0 - x17. 110 * ----------------------------------------------------- 111 */ 112func plat_disable_acp 113 ret 114endfunc plat_disable_acp 115 116 /* ----------------------------------------------------- 117 * void bl1_plat_prepare_exit(void); 118 * Called before exiting BL1. Default: do nothing 119 * ----------------------------------------------------- 120 */ 121func bl1_plat_prepare_exit 122 ret 123endfunc bl1_plat_prepare_exit 124