diff options
Diffstat (limited to 'Vlv2TbltDevicePkg/Include/Guid/HwWatchdogTimerHob.h')
| -rw-r--r-- | Vlv2TbltDevicePkg/Include/Guid/HwWatchdogTimerHob.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/Include/Guid/HwWatchdogTimerHob.h b/Vlv2TbltDevicePkg/Include/Guid/HwWatchdogTimerHob.h new file mode 100644 index 0000000000..cfb2228e2c --- /dev/null +++ b/Vlv2TbltDevicePkg/Include/Guid/HwWatchdogTimerHob.h @@ -0,0 +1,139 @@ +/*++
+
+ 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:
+
+ HwWatchdogTimerHob.h
+
+Abstract:
+
+ GUID used for Watchdog Timer status in the HOB list.
+
+--*/
+
+#ifndef _EFI_WATCHDOG_TIMER_HOB_GUID_H_
+#define _EFI_WATCHDOG_TIMER_HOB_GUID_H_
+
+#define EFI_WATCHDOG_TIMER_HOB_GUID \
+ { 0x226cd3f, 0x69b5, 0x4150, 0xac, 0xbe, 0xbf, 0xbf, 0x18, 0xe3, 0x3, 0xd5 }
+
+#define EFI_WATCHDOG_TIMER_DEFINITION_HOB_GUID \
+ { 0xd29302b0, 0x11ba, 0x4073, 0xa2, 0x27, 0x53, 0x8d, 0x25, 0x42, 0x70, 0x9f }
+
+typedef enum {
+ HWWD_NONE,
+ HWWD_TIMER_EXPIRED,
+ HWWD_SPONTANEOUS_REBOOT,
+ HWWD_FORCED_TIMEOUT
+} HW_WATCHDOG_TIMEOUT;
+
+typedef struct {
+ HW_WATCHDOG_TIMEOUT TimeoutStatus;
+} HW_WATCHDOG_INFO;
+
+//
+// Watchdog timer action values.
+//
+#define WDT_ACTION_RESET 0x01 // reload/reset timer
+#define WDT_ACTION_QUERY_CURRENT_VALUE 0x04 // get current value // DON'T NEED FOR OVERCLOCK UTILITY
+#define WDT_ACTION_QUERY_COUNTDOWN_PERIOD 0x05 // get countdown period
+#define WDT_ACTION_SET_COUNTDOWN_PERIOD 0x06 // set countdown period
+#define WDT_ACTION_QUERY_RUNNING_STATE 0x08 // query if running
+#define WDT_ACTION_SET_RUNNING_STATE 0x09 // start timer
+#define WDT_ACTION_QUERY_STOPPED_STATE 0x0A // query if stopped
+#define WDT_ACTION_SET_STOPPED_STATE 0x0B // stop timer
+#define WDT_ACTION_QUERY_STATUS 0x20 // is current boot cause by wdt timeout?
+#define WDT_ACTION_SET_STATUS 0x21 // resets wdt status bit
+
+//
+// Watchdog timer instruction values.
+//
+#define WDT_INSTR_VALUE_MASK 0x03 // Mask for just the value
+#define WDT_INSTR_READ_CMP_VALUE 0x00 // Read / compare value
+#define WDT_INSTR_READ_COUNTDOWN 0x01 // read countdown value
+#define WDT_INSTR_WRITE_VALUE 0x02 // Write value
+#define WDT_INSTR_WRITE_COUNTDOWN 0x03 // write countdown value
+#define WDT_INSTR_PRESERVE_REG 0x80 // preserve reg; used in Write Value / Write Countdown
+#define WDT_INSTR_WRITE_VALUE_PRES (0x02 | WDT_INSTR_PRESERVE_REG) // Write value with preserve
+#define WDT_INSTR_WRITE_COUNTDOWN_PRES (0x03 | WDT_INSTR_PRESERVE_REG) // write countdown value with preserve
+
+//
+// The Generic Address Structure is defined in the ACPI Specification and should only be
+// changed to match updated revisions of that specification. The GAS_ADDRESS_SPACE and
+// GAS_ACCESS_SIZE enumerations are also defined by the ACPI Specification.
+//
+typedef enum {
+ GAS_SYSTEM_MEMORY,
+ GAS_SYSTEM_IO,
+ GAS_PCI_CONFIG_SPACE,
+ GAS_EMBEDDED_CONTROLLER,
+ GAS_SMBUS
+} GAS_ADDRESS_SPACE;
+
+typedef enum {
+ GAS_UNDEFINED,
+ GAS_BYTE_ACCESS,
+ GAS_WORD_ACCESS,
+ GAS_DWORD_ACCESS,
+ GAS_QWORD_ACCESS
+} GAS_ACCESS_SIZE;
+
+#pragma pack(1)
+
+typedef struct {
+ UINT8 AddressSpaceId;
+ UINT8 RegisterBitWidth;
+ UINT8 RegisterBitOffset;
+ UINT8 AccessSize;
+ UINT64 Address;
+} GENERIC_ADDRESS_STRUCTURE;
+
+//
+// GAS_SYSTEM_MEMORY - When used as the AddressSpaceId, the 64-bit physical memory address
+// of the register. 32-bit platforms must have the high DWORD set to 0.
+// GAS_SYSTEM_IO - The 64-bit I/O address of the register. 32-bit platforms must have
+// the high DWORD set to 0.
+// GAS_PCI_CONFIG_SPACE - PCI Configuration space addresses must be confined to devices on PCI
+// Sepment Group 0, Bus 0. This restriction exists to accommodate access
+// to fixed hardware prior to PCI bus enumeration. The format of addresses
+// are defined as follows:
+// Highest WORD: Reserved and must be -0-
+// ... PCI Device number on bus 0
+// ... PCI Function number
+// Lowest WORD: Offset in the configuration space header.
+//
+
+typedef struct {
+ UINT8 WdAction;
+ UINT8 Flag;
+ UINT16 Res;
+ GENERIC_ADDRESS_STRUCTURE GenericAddressStructures;
+ UINT32 Value;
+ UINT32 Mask;
+} WD_INSTRUCTION;
+
+typedef struct {
+ UINT32 TimerPeriod;
+ UINT32 MaxTimerCount;
+ UINT32 MinTimerCount;
+ UINT16 InstructionCount;
+ WD_INSTRUCTION ActionDefinitions[1];
+} WD_HOB_DEFINITION;
+
+#pragma pack()
+
+extern EFI_GUID gWatchdogTimerHobGuid;
+extern EFI_GUID gWatchdogTimerDefinitionHobGuid;
+
+#endif // _EFI_WATCHDOG_TIMER_HOB_GUID_H_
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