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Diffstat (limited to 'arch/x86/include/asm/scu.h')
-rw-r--r--arch/x86/include/asm/scu.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/x86/include/asm/scu.h b/arch/x86/include/asm/scu.h
new file mode 100644
index 0000000000..4d40e495bb
--- /dev/null
+++ b/arch/x86/include/asm/scu.h
@@ -0,0 +1,28 @@
+/*
+ * 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_ */