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Historically AM33xx performed warm software reset even though requested (and default) was REBOOT_COLD. Reflect the de-facto default mode in /sys/kernel/reboot/mode correctly and implement the real REBOOT_COLD (if configured explicitly). Tested-by: Matthias Michel <matthias.michel@siemens.com> Signed-off-by: Alexander Sverdlin <alexander.sverdlin@siemens.com> Message-ID: <20240221154614.3549951-2-alexander.sverdlin@siemens.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
26 lines
657 B
C
26 lines
657 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* am33xx-restart.c - Code common to all AM33xx machines.
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*/
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#include <linux/kernel.h>
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#include <linux/reboot.h>
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#include "common.h"
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#include "prm.h"
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/**
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* am33xx_restart - trigger a software restart of the SoC
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* @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c
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* @cmd: passed from the userspace program rebooting the system (if provided)
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*
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* Resets the SoC. For @cmd, see the 'reboot' syscall in
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* kernel/sys.c. No return value.
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*/
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void am33xx_restart(enum reboot_mode mode, const char *cmd)
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{
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/* TODO: Handle cmd if necessary */
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prm_reboot_mode = mode;
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omap_prm_reset_system();
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}
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