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https://github.com/ARM-software/arm-trusted-firmware.git
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586f60cc57
Added a platform function to set and get DRTM error. Also, added a platform function to reset the system. Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com> Change-Id: I471f2387f8c78b21a06af063a6fa02cda3646557
43 lines
966 B
C
43 lines
966 B
C
/*
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* Copyright (c) 2019-2021, Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <errno.h>
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#include <common/debug.h>
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#include <drivers/arm/sp805.h>
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#include <drivers/cfi/v2m_flash.h>
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#include <lib/mmio.h>
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#include <plat/arm/common/plat_arm.h>
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#include <platform_def.h>
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/*
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* FVP error handler
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*/
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__dead2 void plat_arm_error_handler(int err)
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{
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/* Propagate the err code in the NV-flags register */
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mmio_write_32(V2M_SYS_NVFLAGS_ADDR, (uint32_t)err);
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console_flush();
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/* Setup the watchdog to reset the system as soon as possible */
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sp805_refresh(ARM_SP805_TWDG_BASE, 1U);
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for (;;)
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wfi();
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}
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void __dead2 plat_arm_system_reset(void)
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{
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/* Write the System Configuration Control Register */
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mmio_write_32(V2M_SYSREGS_BASE + V2M_SYS_CFGCTRL,
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V2M_CFGCTRL_START |
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V2M_CFGCTRL_RW |
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V2M_CFGCTRL_FUNC(V2M_FUNC_REBOOT));
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wfi();
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ERROR("FVP System Reset: operation not handled.\n");
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panic();
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}
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