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Diffstat (limited to 'Chipset/SB/RTC.h')
| -rw-r--r-- | Chipset/SB/RTC.h | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/Chipset/SB/RTC.h b/Chipset/SB/RTC.h new file mode 100644 index 0000000..3c88361 --- /dev/null +++ b/Chipset/SB/RTC.h @@ -0,0 +1,206 @@ +//************************************************************************* +//************************************************************************* +//** ** +//** (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 ** +//** ** +//************************************************************************* +//************************************************************************* |