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 41#if !ENABLE_PLAT_COMPAT 42 .globl platform_get_core_pos 43 44#define MPIDR_RES_BIT_MASK 0xff000000 45 46 /* ------------------------------------------------------------------ 47 * int platform_get_core_pos(int mpidr) 48 * Returns the CPU index of the CPU specified by mpidr. This is 49 * defined when platform compatibility is disabled to enable Trusted 50 * Firmware components like SPD using the old platform API to work. 51 * This API is deprecated and it assumes that the mpidr specified is 52 * that of a valid and present CPU. Instead, plat_my_core_pos() 53 * should be used for CPU index of the current CPU and 54 * plat_core_pos_by_mpidr() should be used for CPU index of a 55 * CPU specified by its mpidr. 56 * ------------------------------------------------------------------ 57 */ 58func_deprecated platform_get_core_pos 59 bic x0, x0, #MPIDR_RES_BIT_MASK 60 mrs x1, mpidr_el1 61 bic x1, x1, #MPIDR_RES_BIT_MASK 62 cmp x0, x1 63 beq plat_my_core_pos 64 b platform_core_pos_helper 65endfunc_deprecated platform_get_core_pos 66#endif 67 68 /* ----------------------------------------------------- 69 * Placeholder function which should be redefined by 70 * each platform. 71 * ----------------------------------------------------- 72 */ 73func plat_report_exception 74 ret 75endfunc plat_report_exception 76 77 /* ----------------------------------------------------- 78 * Placeholder function which should be redefined by 79 * each platform. 80 * ----------------------------------------------------- 81 */ 82func plat_crash_console_init 83 mov x0, #0 84 ret 85endfunc plat_crash_console_init 86 87 /* ----------------------------------------------------- 88 * Placeholder function which should be redefined by 89 * each platform. 90 * ----------------------------------------------------- 91 */ 92func plat_crash_console_putc 93 ret 94endfunc plat_crash_console_putc 95 96 /* ----------------------------------------------------- 97 * Placeholder function which should be redefined by 98 * each platform. This function should preserve x10. 99 * ----------------------------------------------------- 100 */ 101func plat_reset_handler 102 ret 103endfunc plat_reset_handler 104 105 /* ----------------------------------------------------- 106 * Placeholder function which should be redefined by 107 * each platform. This function is allowed to use 108 * registers x0 - x17. 109 * ----------------------------------------------------- 110 */ 111func plat_disable_acp 112 ret 113endfunc plat_disable_acp 114