diff options
| author | Guo Mang <mang.guo@intel.com> | 2016-12-23 14:29:06 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2017-05-09 13:03:03 +0800 |
| commit | c14ca1809964d9d80fe14cffbdb3f9cbf45e8dd7 (patch) | |
| tree | a867c7884ba4b0730d08948b3d3e5be7a59dd8d0 /Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/ClockControl.c | |
| parent | d2e4d5f4fba4bf62e721584e52dc2cc4687ccc17 (diff) | |
| download | edk2-platforms-c14ca1809964d9d80fe14cffbdb3f9cbf45e8dd7.tar.xz | |
BroxtonPlatformPkg: Add PlatformDxe
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/ClockControl.c')
| -rw-r--r-- | Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/ClockControl.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/ClockControl.c b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/ClockControl.c new file mode 100644 index 0000000000..c5117c083b --- /dev/null +++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/ClockControl.c @@ -0,0 +1,123 @@ +/** @file
+ Sets platform/SKU specific clock routing information.
+
+ Copyright (c) 1999 - 2016, 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
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "PlatformDxe.h"
+#include <Protocol/CK505ClockPlatformInfo.h>
+
+//
+// Default clock routing informtion (All On)
+//
+EFI_CLOCK_PLATFORM_INFO mDefClockPolicy = {NULL, 0, NULL, 0, NULL, 0};
+
+//
+// Clock Settings
+//
+// Static clock table.
+// This should be used to define any clock settings that are static
+// (Always On or Always Off). Dynamic clocks should be set to enabled
+// in this table.
+//
+EFI_STATIC_SIGNALS mAtxStaticClocks[] = {
+ {SrcClk8, Enabled, All},
+ {SrcClk7, Enabled, All},
+ {SrcClk6, Enabled, All},
+ {SrcClk5, Enabled, All},
+ {SrcClk4, Enabled, All},
+ {SrcClk3, Enabled, All},
+ {SrcClk2, Enabled, All},
+ {SrcClk1, Enabled, All},
+ {SrcClk0, Enabled, All},
+ {Ref0, Enabled, All},
+ {Dot96, Enabled, All},
+ {Usb48, Enabled, All},
+ {PciClkF5, Enabled, All},
+ {PciClk0, Enabled, All},
+ {PciClk2, Enabled, All},
+ {PciClk3, Enabled, All},
+ {PciClk4, Disabled, All},
+ {Cr_B, EnabledWithSwitch, All},
+};
+
+//
+// ClockSxInfo Table
+// This is a list of clocks that need to be set to a known state when the
+// system enters S4 or S5.
+//
+EFI_STATIC_SIGNALS mAtxSxClocks[] = {
+ {SaveClockConfiguration, Disabled, All}
+};
+
+//
+// ATX settings structure
+//
+EFI_CLOCK_PLATFORM_INFO mAtxClockSettings = {
+ mAtxStaticClocks,
+ sizeof (mAtxStaticClocks) / sizeof (mAtxStaticClocks[0]),
+ mAtxSxClocks,
+ sizeof (mAtxSxClocks) / sizeof (mAtxSxClocks[0])
+};
+
+
+VOID
+InitializeClockRouting(
+ )
+{
+ EFI_STATUS Status;
+ UINTN BoardIdVarSize;
+ EFI_BOARD_FEATURES BoardIdVar;
+ EFI_CLOCK_PLATFORM_INFO *ClockPolicy;
+ EFI_HANDLE Handle;
+
+ ClockPolicy = &mDefClockPolicy;
+
+ //
+ // Do modifications based on board type
+ //
+ BoardIdVarSize = sizeof (EFI_BOARD_FEATURES);
+ Status = gRT->GetVariable (
+ BOARD_FEATURES_NAME,
+ &gEfiBoardFeaturesGuid,
+ NULL,
+ &BoardIdVarSize,
+ &BoardIdVar
+ );
+ if (!EFI_ERROR (Status)) {
+
+ //
+ // Isolate board type information
+ //
+ BoardIdVar = BoardIdVar & (B_BOARD_FEATURES_FORM_FACTOR_ATX |
+ B_BOARD_FEATURES_FORM_FACTOR_BTX |
+ B_BOARD_FEATURES_FORM_FACTOR_MICRO_ATX |
+ B_BOARD_FEATURES_FORM_FACTOR_MICRO_BTX);
+
+ if (BoardIdVar == B_BOARD_FEATURES_FORM_FACTOR_ATX ||
+ BoardIdVar == B_BOARD_FEATURES_FORM_FACTOR_MICRO_ATX) {
+ ClockPolicy = &mAtxClockSettings;
+ }
+
+ }
+
+ Handle = NULL;
+ Status = gBS->InstallProtocolInterface (
+ &Handle,
+ &gEfiCk505ClockPlatformInfoGuid,
+ EFI_NATIVE_INTERFACE,
+ ClockPolicy
+ );
+ ASSERT_EFI_ERROR (Status);
+}
+
+
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