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//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
//*************************************************************************
// $Header: /Alaska/BIN/Chipset/Intel/SouthBridge/LynxPoint/Intel Pch SB Chipset/RTC.h 3 7/17/13 1:54a Scottyang $
//
// $Revision: 3 $
//
// $Date: 7/17/13 1:54a $
//*************************************************************************
// Revision History
// ----------------
// $Log: /Alaska/BIN/Chipset/Intel/SouthBridge/LynxPoint/Intel Pch SB Chipset/RTC.h $
//
// 3 7/17/13 1:54a Scottyang
// [TAG] EIP128233
// [Category] Improvement
// [Description] Improving UEFI PXE image downloading proformance.
// [Files] RTC.h
// SBRun.c
//
// 2 1/11/13 1:51a Scottyang
// [TAG] EIP88358
// [Category] Improvement
// [Description] Add FORCE_USER_TO_SETUP_IF_CMOS_BAD token
// [Files] SBDex.c, SBPei.c, RTC.h, SB.sdl
//
// 1 2/08/12 8:24a Yurenlai
// Intel Lynx Point/SB eChipset initially releases.
//
//*************************************************************************
//<AMI_FHDR_START>
//
// Name: RTC.h
//
// Description: Real Time Clock and CMOS Data bank registr definitions.
//
//<AMI_FHDR_END>
//*************************************************************************
#ifndef __RTC__H__
#define __RTC__H__
#ifdef __cplusplus
extern "C" {
#endif
#include <Efi.h>
#define EFI_TIME_VARIABLE_GUID \
{0x9d0da369, 0x540b, 0x46f8, 0x85, 0xa0, 0x2b, 0x5f, 0x2c, 0x30, 0x1e, 0x15}
// [EIP88358] >>
#define CMOS_BAD_HOB_GUID \
{0x7e7369ce, 0x0188, 0x4183, 0x8c, 0x2d, 0xda, 0xf7, 0xb7, 0x30, 0xe4, 0x2b}
// [EIP88358] <<
//---------------------------------------------------------------------------
// Define Real Time Clock INDEX and DATA registers
//---------------------------------------------------------------------------
#define RTC_INDEX_REG 0x70
#define RTC_DATA_REG 0x71
//---------------------------------------------------------------------------
// Define Internal Registers for Real Time Clock
//---------------------------------------------------------------------------
#define RTC_SECONDS_REG 0x00 // R/W Range 0..59
#define RTC_SECONDS_ALARM_REG 0x01 // R/W Range 0..59
#define RTC_MINUTES_REG 0x02 // R/W Range 0..59
#define RTC_MINUTES_ALARM_REG 0x03 // R/W Range 0..59
#define RTC_HOURS_REG 0x04 // R/W Range 1..12 or 0..23
// Bit 7 is AM/PM
#define RTC_HOURS_ALARM_REG 0x05 // R/W Range 1..12 or 0..23
// Bit 7 is AM/PM
#define RTC_DAY_OF_WEEK_REG 0x06 // R/W Range 1..7
#define RTC_DAY_OF_MONTH_REG 0x07 // R/W Range 1..31
#define RTC_MONTH_REG 0x08 // R/W Range 1..12
#define RTC_YEAR_REG 0x09 // R/W Range 0..99
#define RTC_REG_A_INDEX 0x0a // R/W[0..6] R0[7]
#define RTC_REG_B_INDEX 0x0b // R/W
#define RTC_REG_C_INDEX 0x0c // RO
#define RTC_REG_D_INDEX 0x0d // RO
#define RTC_NMI_MASK 0x80
#pragma pack(push,1)
//---------------------------------------------------------------------------
// Register A Bit definitions
//---------------------------------------------------------------------------
typedef union {
UINT8 REG_A;
struct {
UINT8 RateSel : 4;
UINT8 Divisor : 3;
UINT8 UpdInProgr : 1;
};
} RTC_REG_A;
//---------------------------------------------------------------------------
// Register B Bit definitions
//---------------------------------------------------------------------------
typedef union {
UINT8 REG_B;
struct {
UINT8 DaylightSav : 1; // 0 - Daylight saving disabled
// 1 - Daylight savings enabled
UINT8 Mode : 1; // 0 - 12 hour mode
// 1 - 24 hour mode
UINT8 Format : 1; // 0 - BCD Format
// 1 - Binary Format
UINT8 SquareWave : 1; // 0 - Disable SQWE output
// 1 - Enable SQWE output
UINT8 UpdateInt : 1; // 0 - Update INT disabled
// 1 - Update INT enabled
UINT8 AlarmInt : 1; // 0 - Alarm INT disabled
// 1 - Alarm INT Enabled
UINT8 PeriodicInt : 1; // 0 - Periodic INT disabled
// 1 - Periodic INT Enabled
UINT8 Set : 1; // 0 - Normal operation
// 1 - Updates inhibited
};
} RTC_REG_B;
//---------------------------------------------------------------------------
// Register C Bit definitions
//---------------------------------------------------------------------------
typedef union {
UINT8 REG_C;
struct {
UINT8 Reserved : 4; // Read as zero. Can not be written.
UINT8 UpdEndFlag : 1; // Update End Interrupt Flag
UINT8 AlarmFlag : 1; // Alarm Interrupt Flag
UINT8 PeriodicFlag : 1; // Periodic Interrupt Flag
UINT8 IrqFlag : 1; // Iterrupt Request Flag =
// PF & PIE | AF & AIE | UF & UIE
};
} RTC_REG_C;
//---------------------------------------------------------------------------
// Register D Bit definitions
//---------------------------------------------------------------------------
typedef union {
UINT8 REG_D;
struct {
UINT8 Reserved : 7;
UINT8 DataValid : 1; // Valid RAM and Time
};
} RTC_REG_D;
//---------------------------------------------------------------------------
// Bit definitions for Day Alarm Register (Porting Required if needed)
//---------------------------------------------------------------------------
typedef union {
UINT8 REG_DATE_ALARM;
struct {
UINT8 DateAlarm : 6;
UINT8 Reserved : 2;
};
} RTC_DATE_ALARM_REG;
//---------------------------------------------------------------------------
// Bit definitions for Month Alarm Register (Porting Required if needed)
//---------------------------------------------------------------------------
typedef union {
UINT8 REG_MONTH_ALARM;
struct {
UINT8 MonthAlarm : 6;
UINT8 Reserved : 2;
};
} RTC_MONTH_ALARM_REG;
// [EIP88358] >>
typedef struct _CMOS_BAD_HOB {
EFI_HOB_GUID_TYPE Header;
} CMOS_BAD_HOB;
// [EIP88358] <<
#pragma pack(pop)
/****** DO NOT WRITE BELOW THIS LINE *******/
#ifdef __cplusplus
}
#endif
#endif
//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
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