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 <arch_helpers.h> 32 #include <board_arm_def.h> 33 #include <debug.h> 34 #include <errno.h> 35 #include <norflash.h> 36 #include <stdint.h> 37 38 /* 39 * FVP error handler 40 */ 41 void plat_error_handler(int err) 42 { 43 int ret; 44 45 switch (err) { 46 case -ENOENT: 47 case -EAUTH: 48 /* Image load or authentication error. Erase the ToC */ 49 INFO("Erasing FIP ToC from flash...\n"); 50 nor_unlock(PLAT_ARM_FIP_BASE); 51 ret = nor_word_program(PLAT_ARM_FIP_BASE, 0); 52 if (ret) { 53 ERROR("Cannot erase ToC\n"); 54 } else { 55 INFO("Done\n"); 56 } 57 break; 58 default: 59 /* Unexpected error */ 60 break; 61 } 62 63 /* Loop until the watchdog resets the system */ 64 for (;;) 65 wfi(); 66 } 67