1 /* 2 * Copyright (c) 2019-2021, Arm Limited. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <errno.h> 8 9 #include <common/debug.h> 10 #include <drivers/arm/sp805.h> 11 #include <drivers/cfi/v2m_flash.h> 12 #include <lib/mmio.h> 13 #include <plat/arm/common/plat_arm.h> 14 #include <platform_def.h> 15 16 /* 17 * FVP error handler 18 */ plat_arm_error_handler(int err)19__dead2 void plat_arm_error_handler(int err) 20 { 21 /* Propagate the err code in the NV-flags register */ 22 mmio_write_32(V2M_SYS_NVFLAGS_ADDR, (uint32_t)err); 23 24 console_flush(); 25 26 /* Setup the watchdog to reset the system as soon as possible */ 27 sp805_refresh(ARM_SP805_TWDG_BASE, 1U); 28 29 for (;;) 30 wfi(); 31 } 32