55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/*
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* (C) Copyright 2012 Juergen Beisert - <kernel@pengutronix.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <common.h>
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#include <init.h>
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#include <environment.h>
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#include <globalvar.h>
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#include <reset_source.h>
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static const char * const reset_src_names[] = {
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[RESET_UKWN] = "unknown",
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[RESET_POR] = "POR",
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[RESET_RST] = "RST",
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[RESET_WDG] = "WDG",
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[RESET_WKE] = "WKE",
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[RESET_JTAG] = "JTAG",
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};
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static enum reset_src_type reset_source;
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enum reset_src_type reset_source_get(void)
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{
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return reset_source;
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}
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EXPORT_SYMBOL(reset_source_get);
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void reset_source_set(enum reset_src_type st)
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{
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reset_source = st;
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setenv("global.system.reset", reset_src_names[st]);
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}
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EXPORT_SYMBOL(reset_source_set);
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/* ensure this runs after the 'global' device is already registerd */
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static int reset_source_init(void)
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{
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globalvar_add_simple("system.reset", reset_src_names[RESET_UKWN]);
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return 0;
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}
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coredevice_initcall(reset_source_init);
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