1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * SMM definitions (U-Boot does not support SMM itself) 4 * 5 * Copyright (C) 2008-2009 coresystems GmbH 6 * Copyright 2019 Google LLC 7 * 8 * Modified from coreboot smm.h 9 */ 10 11 #ifndef _ASM_SMM_H 12 #define _ASM_SMM_H 13 14 #define APM_CNT 0xb2 15 #define APM_CNT_CST_CONTROL 0x85 16 #define APM_CNT_PST_CONTROL 0x80 17 #define APM_CNT_ACPI_DISABLE 0x1e 18 #define APM_CNT_ACPI_ENABLE 0xe1 19 #define APM_CNT_MBI_UPDATE 0xeb 20 #define APM_CNT_GNVS_UPDATE 0xea 21 #define APM_CNT_FINALIZE 0xcb 22 #define APM_CNT_LEGACY 0xcc 23 #define APM_CNT_SMMSTORE 0xed 24 #define APM_CNT_ELOG_GSMI 0xef 25 #define APM_STS 0xb3 26 27 #endif /* _ASM_SMM_H */ 28