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/*
* This file is part of the coreboot project.
*
* Copyright 2017 Google, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <arch/cache.h>
#include <console/console.h>
#include <halt.h>
#include <reset.h>
__noreturn void board_reset(void)
{
printk(BIOS_INFO, "%s() called!\n", __func__);
dcache_clean_all();
do_board_reset();
halt();
}
#if IS_ENABLED(CONFIG_MISSING_BOARD_RESET)
void do_board_reset(void)
{
printk(BIOS_CRIT, "No board_reset implementation, hanging...\n");
}
#else
/*
* Fall back to hard_reset() for a regression free transition.
* FIXME: Remove after everything is converted to board_reset().
*/
__weak void do_board_reset(void)
{
hard_reset();
}
#endif
__noreturn static void __hard_reset(void) {
if (IS_ENABLED(CONFIG_HAVE_HARD_RESET))
do_hard_reset();
else
printk(BIOS_CRIT, "No hard_reset implementation, hanging...\n");
halt();
}
/* Not all platforms implement all reset types. Fall back to hard_reset. */
__weak void do_global_reset(void) { __hard_reset(); }
__weak void do_soft_reset(void) { __hard_reset(); }
__weak void soc_reset_prepare(enum reset_type rt) { /* no-op */ }
void global_reset(void)
{
printk(BIOS_INFO, "%s() called!\n", __func__);
soc_reset_prepare(GLOBAL_RESET);
dcache_clean_all();
do_global_reset();
halt();
}
void hard_reset(void)
{
printk(BIOS_INFO, "%s() called!\n", __func__);
soc_reset_prepare(HARD_RESET);
dcache_clean_all();
__hard_reset();
}
void soft_reset(void)
{
printk(BIOS_INFO, "%s() called!\n", __func__);
soc_reset_prepare(SOFT_RESET);
dcache_clean_all();
do_soft_reset();
halt();
}
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