xref: /rk3399_ARM-atf/plat/arm/board/juno/juno_err.c (revision 73a9605197ba04aaf02d436a2a4ad56e695b426c)
1 /*
2  * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include <arch_helpers.h>
8 #include <errno.h>
9 #include <platform.h>
10 #include <v2m_def.h>
11 
12 #define V2M_SYS_NVFLAGS_ADDR		(V2M_SYSREGS_BASE + V2M_SYS_NVFLAGS)
13 
14 /*
15  * Juno error handler
16  */
17 void plat_error_handler(int err)
18 {
19 	uint32_t *flags_ptr = (uint32_t *)V2M_SYS_NVFLAGS_ADDR;
20 
21 	/* Propagate the err code in the NV-flags register */
22 	*flags_ptr = err;
23 
24 	/* Loop until the watchdog resets the system */
25 	for (;;)
26 		wfi();
27 }
28