1/* 2 * Copyright (c) 2013-2015, 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#include <arch.h> 31#include <asm_macros.S> 32#include <mt8173_def.h> 33 34 .globl plat_secondary_cold_boot_setup 35 .globl plat_report_exception 36 .globl platform_is_primary_cpu 37 .globl plat_crash_console_init 38 .globl plat_crash_console_putc 39 40 /* ----------------------------------------------------- 41 * void plat_secondary_cold_boot_setup (void); 42 * 43 * This function performs any platform specific actions 44 * needed for a secondary cpu after a cold reset e.g 45 * mark the cpu's presence, mechanism to place it in a 46 * holding pen etc. 47 * ----------------------------------------------------- 48 */ 49func plat_secondary_cold_boot_setup 50 /* MT8173 Oak does not do cold boot for secondary CPU */ 51cb_panic: 52 b cb_panic 53endfunc plat_secondary_cold_boot_setup 54 55func platform_is_primary_cpu 56 and x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK) 57 cmp x0, #MT8173_PRIMARY_CPU 58 cset x0, eq 59 ret 60endfunc platform_is_primary_cpu 61 62 /* --------------------------------------------- 63 * int plat_crash_console_init(void) 64 * Function to initialize the crash console 65 * without a C Runtime to print crash report. 66 * Clobber list : x0 - x4 67 * --------------------------------------------- 68 */ 69func plat_crash_console_init 70 mov_imm x0, MT8173_UART0_BASE 71 mov_imm x1, MT8173_UART_CLOCK 72 mov_imm x2, MT8173_BAUDRATE 73 b console_core_init 74endfunc plat_crash_console_init 75 76 /* --------------------------------------------- 77 * int plat_crash_console_putc(void) 78 * Function to print a character on the crash 79 * console without a C Runtime. 80 * Clobber list : x1, x2 81 * --------------------------------------------- 82 */ 83func plat_crash_console_putc 84 mov_imm x1, MT8173_UART0_BASE 85 b console_core_putc 86endfunc plat_crash_console_putc 87