u-boot/arch/x86/include/asm/scu.h

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/*
* Copyright (c) 2017 Intel Corporation
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _X86_ASM_SCU_IPC_H_
#define _X86_ASM_SCU_IPC_H_
/* IPC defines the following message types */
#define IPCMSG_WARM_RESET 0xf0
#define IPCMSG_COLD_RESET 0xf1
#define IPCMSG_SOFT_RESET 0xf2
#define IPCMSG_COLD_BOOT 0xf3
#define IPCMSG_GET_FW_REVISION 0xf4
#define IPCMSG_WATCHDOG_TIMER 0xf8 /* Set Kernel Watchdog Threshold */
struct ipc_ifwi_version {
u16 minor;
u8 major;
u8 hardware_id;
u32 reserved[3];
};
/* Issue commands to the SCU with or without data */
int scu_ipc_simple_command(u32 cmd, u32 sub);
int scu_ipc_command(u32 cmd, u32 sub, u32 *in, int inlen, u32 *out, int outlen);
#endif /* _X86_ASM_SCU_IPC_H_ */