reset.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <arch/io.h>
#include <cf9_reset.h>
#include <reset.h>
#include <soc/southbridge.h>
#include <amdblocks/acpimmio.h>
#include <amdblocks/reset.h>
 
void do_cold_reset(void)
{
        /* De-assert and then assert all PwrGood signals on CF9 reset. */
        pm_write16(PWR_RESET_CFG, pm_read16(PWR_RESET_CFG) |
                TOGGLE_ALL_PWR_GOOD);
        outb(RST_CPU | SYS_RST, RST_CNT);
}
 
void do_warm_reset(void)
{
        /* Assert reset signals only. */
        outb(RST_CPU | SYS_RST, RST_CNT);
}
 
void do_board_reset(void)
{
        /* TODO: Would a warm_reset() suffice? */
        do_cold_reset();
}