u-boot/arch/arm/mach-aspeed/ast_wdt.c

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/*
* (C) Copyright 2016 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/wdt.h>
#include <linux/err.h>
u32 ast_reset_mode_from_flags(ulong flags)
{
return flags & WDT_CTRL_RESET_MASK;
}
u32 ast_reset_mask_from_flags(ulong flags)
{
return flags >> 2;
}
ulong ast_flags_from_reset_mode_mask(u32 reset_mode, u32 reset_mask)
{
ulong ret = reset_mode & WDT_CTRL_RESET_MASK;
if (ret == WDT_CTRL_RESET_SOC)
ret |= (reset_mask << 2);
return ret;
}