common/zircon_abr_reg_util.c

/*
 * Copyright (c) 2020 The Fuchsia Authors
 *
 * SPDX-License-Identifier:	BSD-3-Clause
 */

#include <zircon/zircon_abr_reg_util.h>

abr_sticky_reg1_t read_sticky_reg1()
{
	abr_sticky_reg1_t sticky_reg1;
	sticky_reg1.value = readl(P_AO_RTI_STICKY_REG1);
	return sticky_reg1;
}

abr_sticky_reg0_t read_sticky_reg0()
{
	abr_sticky_reg0_t sticky_reg0;
	sticky_reg0.value = readl(P_AO_RTI_STICKY_REG0);
	return sticky_reg0;
}

void write_sticky_reg1(abr_sticky_reg1_t reg1)
{
	writel(reg1.value, P_AO_RTI_STICKY_REG1);
}

void write_sticky_reg0(abr_sticky_reg0_t reg0)
{
	writel(reg0.value, P_AO_RTI_STICKY_REG0);
}

void set_force_recovery_bit(bool val)
{
	abr_sticky_reg0_t reg0 = read_sticky_reg0();
	reg0.fields.force_recovery = val;
	write_sticky_reg0(reg0);
}

// The flag indicates whether this boot is due to force recovery.
bool force_recovery_mode_flag = false;

void set_force_recovery_mode(bool val)
{
	force_recovery_mode_flag = val;
}

bool force_recovery_mode(void)
{
	return force_recovery_mode_flag;
}

void set_abr_sticky_reg_rebootmode(uint8_t value)
{
	abr_sticky_reg0_t reg0 = read_sticky_reg0();
	reg0.fields.rebootmode = value;
	write_sticky_reg0(reg0);
}

bool force_recovery_bit_set(void)
{
	return read_sticky_reg0().fields.force_recovery;
}