mirror of https://github.com/acidanthera/audk.git
112 lines
4.0 KiB
C
112 lines
4.0 KiB
C
/*++
|
|
|
|
Copyright (c) 2010 - 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:
|
|
|
|
CmosTable.h
|
|
|
|
Abstract:
|
|
|
|
--*/
|
|
|
|
#include <Base.h>
|
|
#include <Library/IoLib.h>
|
|
#include <Library/PlatformCmosLib.h>
|
|
#include "CmosMap.h"
|
|
#include <PchAccess.h>
|
|
#include "PlatformBaseAddresses.h"
|
|
|
|
#define DEFAULT_VALUE 0
|
|
#define DEFAULT_ATTRIBUTES 0
|
|
#define EXCLUDE_FROM_CHECKSUM CMOS_ATTRIBUTE_EXCLUDE_FROM_CHECKSUM
|
|
|
|
#define CMOS_DEBUG_PRINT_LEVEL_DEFAULT_VALUE 0x46 // EFI_D_WARN|EFI_D_INFO|EFI_D_LOAD
|
|
#define CMOS_DEBUG_PRINT_LEVEL_3_DEFAULT_VALUE 0x80 // EFI_D_ERROR
|
|
|
|
//
|
|
// Add the CMOS entry below
|
|
//
|
|
CMOS_ENTRY mCmosTable[] = {
|
|
{ CPU_HT_POLICY, CPU_HT_POLICY_ENABLED, EXCLUDE_FROM_CHECKSUM },
|
|
{ TPM_POLICY, TPM_POLICY_ENABLED, DEFAULT_ATTRIBUTES },
|
|
{ CMOS_LCDPANELTYPE_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },
|
|
{ CMOS_LCDPANELSCALING_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },
|
|
{ CMOS_IGDBOOTTYPE_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },
|
|
{ CMOS_BACKLIGHT_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },
|
|
{ CMOS_LFP_PANEL_COLOR_DEPTH_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },
|
|
{ CMOS_EDP_ACTIVE_LFP_CONFIG_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },
|
|
{ CMOS_PRIMARY_DISPLAY_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },
|
|
{ CMOS_IGD_DISPLAY_PIPE_B_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },
|
|
{ CMOS_SDVOPANELTYPE_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },
|
|
{ CMOS_PLATFORM_RESET_OS, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },
|
|
{ CMOS_CPU_BSP_SELECT, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },
|
|
{ CMOS_CPU_RATIO_OFFSET, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },
|
|
{ CMOS_ICH_PORT80_OFFSET, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },
|
|
{ CMOS_MAXRATIO_CONFIG_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },
|
|
{ RTC_ADDRESS_CENTURY, RTC_ADDRESS_CENTURY_DEFAULT, CMOS_ATTRIBUTE_EXCLUDE_FROM_CHECKSUM },
|
|
{ CMOS_POST_CODE_BREAK_REG, DEFAULT_VALUE, EXCLUDE_FROM_CHECKSUM },
|
|
{ CMOS_POST_CODE_BREAK_1_REG, DEFAULT_VALUE, EXCLUDE_FROM_CHECKSUM },
|
|
{ CMOS_POST_CODE_BREAK_2_REG, DEFAULT_VALUE, EXCLUDE_FROM_CHECKSUM },
|
|
{ CMOS_POST_CODE_BREAK_3_REG, DEFAULT_VALUE, EXCLUDE_FROM_CHECKSUM },
|
|
{ CMOS_DEBUG_PRINT_LEVEL_REG, CMOS_DEBUG_PRINT_LEVEL_DEFAULT_VALUE, EXCLUDE_FROM_CHECKSUM },
|
|
{ CMOS_DEBUG_PRINT_LEVEL_1_REG, DEFAULT_VALUE, EXCLUDE_FROM_CHECKSUM },
|
|
{ CMOS_DEBUG_PRINT_LEVEL_2_REG, DEFAULT_VALUE, EXCLUDE_FROM_CHECKSUM },
|
|
{ CMOS_DEBUG_PRINT_LEVEL_3_REG, CMOS_DEBUG_PRINT_LEVEL_3_DEFAULT_VALUE, EXCLUDE_FROM_CHECKSUM },
|
|
};
|
|
|
|
/**
|
|
Funtion to return platform CMOS entry.
|
|
|
|
@param [out] CmosEntry Platform CMOS entry.
|
|
|
|
@param [out] CmosEntryCount Number of platform CMOS entry.
|
|
|
|
@return Status.
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
GetPlatformCmosEntry (
|
|
OUT CMOS_ENTRY **CmosEntry,
|
|
OUT UINTN *CmosEntryCount
|
|
)
|
|
{
|
|
*CmosEntry = mCmosTable;
|
|
*CmosEntryCount = sizeof(mCmosTable)/sizeof(mCmosTable[0]);
|
|
return RETURN_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Function to check if Battery lost or CMOS cleared.
|
|
|
|
@reval TRUE Battery is always present.
|
|
@reval FALSE CMOS is cleared.
|
|
**/
|
|
BOOLEAN
|
|
EFIAPI
|
|
CheckCmosBatteryStatus (
|
|
VOID
|
|
)
|
|
{
|
|
//
|
|
// Check if the CMOS battery is present
|
|
// Checks RTC_PWR_STS bit in the GEN_PMCON_1 register
|
|
//
|
|
|
|
if ((MmioRead8 (PMC_BASE_ADDRESS + R_PCH_PMC_GEN_PMCON_1) & B_PCH_PMC_GEN_PMCON_RTC_PWR_STS) == 0) {
|
|
return TRUE;
|
|
} else {
|
|
return FALSE;
|
|
}
|
|
}
|