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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2019 Wiwynn Corp.
*
* 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.
*/
#ifndef MONOLAKE_IPMI_H
#define MONOLAKE_IPMI_H
#include <types.h>
#define IPMI_NETFN_OEM 0x30
#define IPMI_OEM_SET_BIOS_BOOT_ORDER 0x52
#define IPMI_OEM_GET_BIOS_BOOT_ORDER 0x53
#define GET_CMOS_BIT(x) ((x) & (1 << 1))
#define GET_VALID_BIT(x) ((x) & (1 << 7))
#define CLEAR_CMOS_AND_VALID_BIT(x) ((x) &= 0x7d)
typedef struct {
u8 BootMode; /* Bit 1:CMOS clear, bit 7:valid bit. */
u8 Boot0000;
u8 Boot0001;
u8 Boot0002;
u8 Boot0003;
u8 Boot0004;
} __packed ipmi_oem_req_t;
typedef struct {
u16 KcsRsp;
u8 CompletionCode;
ipmi_oem_req_t Data;
} __packed ipmi_oem_rsp_t;
/*
* IPMI get response to check if valid and CMOS clear bit
* are both set and store the IPMI response data to the parameter.
*/
int is_ipmi_clear_cmos_set(ipmi_oem_rsp_t *rsp);
/*
* Clear valid bit and CMOS clear bit from the parameter
* and set it back via IPMI.
*/
void clear_ipmi_flags(ipmi_oem_rsp_t *rsp);
#endif
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