LXR uboot/arch/x86/include/asm/scu.h

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * Copyright (c) 2017 Intel Corporation
   4 */
   5#ifndef _X86_ASM_SCU_IPC_H_
   6#define _X86_ASM_SCU_IPC_H_
   7
   8/* IPC defines the following message types */
   9#define IPCMSG_INDIRECT_READ    0x02
  10#define IPCMSG_INDIRECT_WRITE   0x05
  11#define IPCMSG_WARM_RESET       0xf0
  12#define IPCMSG_COLD_RESET       0xf1
  13#define IPCMSG_SOFT_RESET       0xf2
  14#define IPCMSG_COLD_BOOT        0xf3
  15#define IPCMSG_GET_FW_REVISION  0xf4
  16#define IPCMSG_WATCHDOG_TIMER   0xf8    /* Set Kernel Watchdog Threshold */
  17
  18struct ipc_ifwi_version {
  19        u16     minor;
  20        u8      major;
  21        u8      hardware_id;
  22        u32     reserved[3];
  23};
  24
  25/* Issue commands to the SCU with or without data */
  26int scu_ipc_simple_command(u32 cmd, u32 sub);
  27int scu_ipc_command(u32 cmd, u32 sub, u32 *in, int inlen, u32 *out, int outlen);
  28int scu_ipc_raw_command(u32 cmd, u32 sub, u32 *in, int inlen, u32 *out,
  29                        int outlen, u32 dptr, u32 sptr);
  30
  31#endif  /* _X86_ASM_SCU_IPC_H_ */
  32