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/*
* This file is part of the coreboot project.
*
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*/
#ifndef _SOC_APOLLOLAKE_HECI_H_
#define _SOC_APOLLOLAKE_HECI_H_
#include <stdint.h>
enum sec_status {
SEC_STATE_RESET = 0,
SEC_STATE_INIT,
SEC_STATE_RECOVERY,
SEC_STATE_UNKNOWN0,
SEC_STATE_UNKNOWN1,
SEC_STATE_NORMAL,
SEC_STATE_DISABLE_WAIT,
SEC_STATE_TRANSITION,
SEC_STATE_INVALID_CPU
};
#define REG_SEC_FW_STS0 0x40
#define MASK_SEC_FIRMWARE_COMPLETE (1 << 9)
#define MASK_SEC_STATUS 0xf
/* Read Firmware Status register */
uint32_t heci_fw_sts(void);
/* Returns true if CSE is in normal status */
bool heci_cse_normal(void);
/* Returns true if CSE is done with whatever it was doing */
bool heci_cse_done(void);
/* Dump CSE state and lockdown HECI1 interface using P2SB message. */
void heci_cse_lockdown(void);
#endif
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