1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright (c) 2015-2021, ARM Limited and Contributors. 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 <arch_helpers.h> 10*91f16700Schasinglulu #include <drivers/arm/sp805.h> 11*91f16700Schasinglulu #include <plat/arm/common/plat_arm.h> 12*91f16700Schasinglulu #include <platform_def.h> 13*91f16700Schasinglulu 14*91f16700Schasinglulu /* 15*91f16700Schasinglulu * Juno error handler 16*91f16700Schasinglulu */ 17*91f16700Schasinglulu void __dead2 plat_arm_error_handler(int err) 18*91f16700Schasinglulu { 19*91f16700Schasinglulu /* Propagate the err code in the NV-flags register */ 20*91f16700Schasinglulu mmio_write_32(V2M_SYS_NVFLAGS_ADDR, (uint32_t)err); 21*91f16700Schasinglulu 22*91f16700Schasinglulu /* Setup the watchdog to reset the system as soon as possible */ 23*91f16700Schasinglulu sp805_refresh(ARM_SP805_TWDG_BASE, 1U); 24*91f16700Schasinglulu 25*91f16700Schasinglulu for (;;) 26*91f16700Schasinglulu wfi(); 27*91f16700Schasinglulu } 28