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| author | Simon Glass <sjg@chromium.org> | 2020-09-22 12:45:05 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2020-09-25 11:27:16 +0800 |
| commit | 59561c7c2e07aba2a1bca1a1f21e49d69c6af53c (patch) | |
| tree | bd23c8dd613e12722c0aa65d3d1fd4962f59a035 /arch/x86/include/asm | |
| parent | 18d8d241be0ee2ec4d26167c5652cdcbe0d3b10c (diff) | |
| download | u-boot-59561c7c2e07aba2a1bca1a1f21e49d69c6af53c.tar.gz u-boot-59561c7c2e07aba2a1bca1a1f21e49d69c6af53c.tar.xz u-boot-59561c7c2e07aba2a1bca1a1f21e49d69c6af53c.zip | |
x86: Add some definitions for SMM
U-Boot does not support SMM (System Management Mode) at present, but needs
a few definitions to correctly set up the ACPI table. Add these.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/include/asm')
| -rw-r--r-- | arch/x86/include/asm/smm.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/x86/include/asm/smm.h b/arch/x86/include/asm/smm.h new file mode 100644 index 0000000000..1e539fda06 --- /dev/null +++ b/arch/x86/include/asm/smm.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * SMM definitions (U-Boot does not support SMM itself) + * + * Copyright (C) 2008-2009 coresystems GmbH + * Copyright 2019 Google LLC + * + * Modified from coreboot smm.h + */ + +#ifndef _ASM_SMM_H +#define _ASM_SMM_H + +#define APM_CNT 0xb2 +#define APM_CNT_CST_CONTROL 0x85 +#define APM_CNT_PST_CONTROL 0x80 +#define APM_CNT_ACPI_DISABLE 0x1e +#define APM_CNT_ACPI_ENABLE 0xe1 +#define APM_CNT_MBI_UPDATE 0xeb +#define APM_CNT_GNVS_UPDATE 0xea +#define APM_CNT_FINALIZE 0xcb +#define APM_CNT_LEGACY 0xcc +#define APM_CNT_SMMSTORE 0xed +#define APM_CNT_ELOG_GSMI 0xef +#define APM_STS 0xb3 + +#endif /* _ASM_SMM_H */ |