diff options
| author | Guo Mang <mang.guo@intel.com> | 2017-04-14 12:54:43 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2017-05-09 13:03:14 +0800 |
| commit | 3814d97a34cc21d35816cefe37f1b4626b4e2116 (patch) | |
| tree | 716819e68261718ab03abb6472f4163157e71c32 /Platform/BroxtonPlatformPkg/Common/PlatformSmm/Platform.c | |
| parent | 04e886f18306a922fe6314d8e37f385c9b0f10c4 (diff) | |
| download | edk2-platforms-3814d97a34cc21d35816cefe37f1b4626b4e2116.tar.xz | |
Fix issue in PlatformSMM
Change code to set R_SMI_EN earlier in S3 boot path to make sure all SMI were detected.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Reviewed-by: zwei4 <david.wei@intel.com>
Diffstat (limited to 'Platform/BroxtonPlatformPkg/Common/PlatformSmm/Platform.c')
| -rw-r--r-- | Platform/BroxtonPlatformPkg/Common/PlatformSmm/Platform.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSmm/Platform.c b/Platform/BroxtonPlatformPkg/Common/PlatformSmm/Platform.c index 673df3aedd..e0c6c7138f 100644 --- a/Platform/BroxtonPlatformPkg/Common/PlatformSmm/Platform.c +++ b/Platform/BroxtonPlatformPkg/Common/PlatformSmm/Platform.c @@ -1,7 +1,7 @@ /** @file
This is a generic template for a child of the IchSmm driver.
- Copyright (c) 1999 - 2016, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 1999 - 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@@ -142,6 +142,7 @@ InitializePlatformSmm ( EFI_SMM_SW_REGISTER_CONTEXT SwContext;
UINTN VarSize;
EFI_BOOT_MODE BootMode;
+ UINT32 Data32;
Handle = NULL;
//
@@ -315,6 +316,16 @@ InitializePlatformSmm ( ASSERT_EFI_ERROR (Status);
+
+ Data32 = IoRead32 (mAcpiBaseAddr + R_SMI_EN);
+ S3BootScriptSaveIoWrite (
+ S3BootScriptWidthUint32,
+ (mAcpiBaseAddr + R_SMI_EN),
+ 1,
+ &Data32
+ );
+
+
//
// Get the ICHn protocol
//
|