1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright (c) 2021, Arm Limited. All rights reserved. 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu */ 6*91f16700Schasinglulu 7*91f16700Schasinglulu #include <errno.h> 8*91f16700Schasinglulu 9*91f16700Schasinglulu #include <common/debug.h> 10*91f16700Schasinglulu #include <drivers/arm/sp805.h> 11*91f16700Schasinglulu #include <drivers/cfi/v2m_flash.h> 12*91f16700Schasinglulu #include <plat/arm/common/plat_arm.h> 13*91f16700Schasinglulu #include <platform_def.h> 14*91f16700Schasinglulu 15*91f16700Schasinglulu /* 16*91f16700Schasinglulu * FVP_R error handler 17*91f16700Schasinglulu */ 18*91f16700Schasinglulu __dead2 void plat_arm_error_handler(int err) 19*91f16700Schasinglulu { 20*91f16700Schasinglulu int ret; 21*91f16700Schasinglulu 22*91f16700Schasinglulu switch (err) { 23*91f16700Schasinglulu case -ENOENT: 24*91f16700Schasinglulu case -EAUTH: 25*91f16700Schasinglulu /* Image load or authentication error. Erase the ToC */ 26*91f16700Schasinglulu INFO("Erasing FIP ToC from flash...\n"); 27*91f16700Schasinglulu (void)nor_unlock(PLAT_ARM_FLASH_IMAGE_BASE); 28*91f16700Schasinglulu ret = nor_word_program(PLAT_ARM_FLASH_IMAGE_BASE, 0); 29*91f16700Schasinglulu if (ret != 0) { 30*91f16700Schasinglulu ERROR("Cannot erase ToC\n"); 31*91f16700Schasinglulu } else { 32*91f16700Schasinglulu INFO("Done\n"); 33*91f16700Schasinglulu } 34*91f16700Schasinglulu break; 35*91f16700Schasinglulu default: 36*91f16700Schasinglulu /* Unexpected error */ 37*91f16700Schasinglulu break; 38*91f16700Schasinglulu } 39*91f16700Schasinglulu 40*91f16700Schasinglulu (void)console_flush(); 41*91f16700Schasinglulu 42*91f16700Schasinglulu /* Setup the watchdog to reset the system as soon as possible */ 43*91f16700Schasinglulu sp805_refresh(ARM_SP805_TWDG_BASE, 1U); 44*91f16700Schasinglulu 45*91f16700Schasinglulu while (true) { 46*91f16700Schasinglulu wfi(); 47*91f16700Schasinglulu } 48*91f16700Schasinglulu } 49