diff options
| author | David Wei <david.wei@intel.com> | 2015-01-12 09:37:20 +0000 |
|---|---|---|
| committer | zwei4 <zwei4@Edk2> | 2015-01-12 09:37:20 +0000 |
| commit | 3cbfba02fef9dae07a041fdbf2e89611d72d6f90 (patch) | |
| tree | 0b3bf0783124d38a191e09736492c0141aa36c15 /Vlv2TbltDevicePkg/Metronome/LegacyMetronome.h | |
| parent | 6f785cfcc304c48ec04e542ee429df95e7b51bc5 (diff) | |
| download | edk2-platforms-3cbfba02fef9dae07a041fdbf2e89611d72d6f90.tar.xz | |
Upload BSD-licensed Vlv2TbltDevicePkg and Vlv2DeviceRefCodePkg to
https://svn.code.sf.net/p/edk2/code/trunk/edk2/,
which are for MinnowBoard MAX open source project.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: David Wei <david.wei@intel.com>
Reviewed-by: Mike Wu <mike.wu@intel.com>
Reviewed-by: Hot Tian <hot.tian@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16599 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'Vlv2TbltDevicePkg/Metronome/LegacyMetronome.h')
| -rw-r--r-- | Vlv2TbltDevicePkg/Metronome/LegacyMetronome.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/Metronome/LegacyMetronome.h b/Vlv2TbltDevicePkg/Metronome/LegacyMetronome.h new file mode 100644 index 0000000000..b9c32da1f2 --- /dev/null +++ b/Vlv2TbltDevicePkg/Metronome/LegacyMetronome.h @@ -0,0 +1,69 @@ +/*++
+
+ Copyright (c) 2004 - 2014, 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.
+
+
+Module Name:
+
+ LegacyMetronome.h
+
+Abstract:
+
+ Driver implementing the EFI 2.0 metronome protocol using the legacy PORT 61
+ timer.
+
+--*/
+
+#ifndef _LEGACY_METRONOME_H
+#define _LEGACY_METRONOME_H
+
+//
+// Statements that include other files
+//
+#include "Protocol/Metronome.h"
+#include "Protocol/CpuIo.h"
+#include "Library/DebugLib.h"
+#include "Library/UefiBootServicesTableLib.h"
+
+
+//
+// Private definitions
+//
+#define TICK_PERIOD 300
+#define REFRESH_PORT 0x61
+#define REFRESH_ON 0x10
+#define REFRESH_OFF 0x00
+#define TIMER1_CONTROL_PORT 0x43
+#define TIMER1_COUNT_PORT 0x41
+#define LOAD_COUNTER1_LSB 0x54
+#define COUNTER1_COUNT 0x12
+
+//
+// Function Prototypes
+//
+/**
+ Waits for the TickNumber of ticks from a known platform time source.
+
+ @param This Pointer to the protocol instance.
+ @param TickNumber Tick Number to be waited
+
+ @retval EFI_SUCCESS If number of ticks occurred.
+ @retval EFI_NOT_FOUND Could not locate CPU IO protocol
+
+**/
+EFI_STATUS
+EFIAPI
+WaitForTick (
+ IN EFI_METRONOME_ARCH_PROTOCOL *This,
+ IN UINT32 TickNumber
+ );
+
+#endif
|