diff options
| author | zwei4 <david.wei@intel.com> | 2017-09-07 11:35:42 +0800 |
|---|---|---|
| committer | zwei4 <david.wei@intel.com> | 2017-09-08 16:00:09 +0800 |
| commit | 57806691194ee7b5509e6992530c4696508ab85c (patch) | |
| tree | bc2dab63964444e7a06f46611f3b165977067c47 | |
| parent | 787000c45fbb200261b71ac56d973f9cf445eda6 (diff) | |
| download | edk2-platforms-57806691194ee7b5509e6992530c4696508ab85c.tar.xz | |
BroxtonPlatformPkg: RTC initialize
Force RTC century to 20 in case core driver has failed to
initialize it.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: zwei4 <david.wei@intel.com>
4 files changed, 63 insertions, 0 deletions
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/Platform.c b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/Platform.c index abe635d906..a6d251ded2 100644 --- a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/Platform.c +++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/Platform.c @@ -390,6 +390,11 @@ ReadyToBootFunction ( mPciLanInfo = NULL;
}
+ //
+ // Set RTC century in case RTC core driver failed to initialize it.
+ //
+ AdjustRtcCentury ();
+
return;
}
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/PlatformDxe.h b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/PlatformDxe.h index 1475c4cabe..a27277bb75 100644 --- a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/PlatformDxe.h +++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/PlatformDxe.h @@ -235,6 +235,12 @@ InitSioPlatformPolicy ( VOID
);
+VOID
+EFIAPI
+AdjustRtcCentury (
+ VOID
+ );
+
//
// Global externs
//
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/PlatformDxe.inf b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/PlatformDxe.inf index 7516a15489..ee8fd5a689 100644 --- a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/PlatformDxe.inf +++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/PlatformDxe.inf @@ -33,6 +33,7 @@ PciDevice.c
IchTcoReset.c
SensorVar.c
+ Rtc.c
[Packages]
MdePkg/MdePkg.dec
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/Rtc.c b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/Rtc.c new file mode 100644 index 0000000000..4b6ab285e4 --- /dev/null +++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/Rtc.c @@ -0,0 +1,51 @@ +/** @file
+ Adjust Default System Time.
+
+ Copyright (c) 2015 - 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 that 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>
+
+//
+// Date and time initial values.
+// They are used if the RTC values are invalid during driver initialization
+//
+#define RTC_INIT_SECOND 0
+#define RTC_INIT_MINUTE 0
+#define RTC_INIT_HOUR 0
+
+#define RTC_ADDRESS_CENTURY 50
+
+#define RTC_ADDRESS_REGISTER 0x70
+#define RTC_DATA_REGISTER 0x71
+
+/**
+ Set RTC century to 20 in case RTC core driver failed to initialize it.
+
+**/
+VOID
+EFIAPI
+AdjustRtcCentury (
+ VOID
+ )
+{
+
+ UINT8 Century;
+
+ Century = 20;
+ Century = DecimalToBcd8 (20);
+ IoWrite8 (RTC_ADDRESS_REGISTER, (UINT8) (RTC_ADDRESS_CENTURY | (UINT8) (IoRead8 (PCAT_RTC_ADDRESS_REGISTER) & 0x80)));
+ IoWrite8 (RTC_DATA_REGISTER, Century);
+ Century = IoRead8(RTC_DATA_REGISTER);
+
+ return;
+}
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