diff options
author | Guo Mang <mang.guo@intel.com> | 2017-08-02 09:54:47 +0800 |
---|---|---|
committer | Guo Mang <mang.guo@intel.com> | 2017-09-05 19:45:08 +0800 |
commit | 6c128c65b5ec0e5b8b5a0ccb165f3afd29e485f8 (patch) | |
tree | 444372d92a0ae8991fe4d15eb3937df43690dfda /ArmPlatformPkg/Library/PL031RealTimeClockLib | |
parent | b207c6434d7a5a4502975d322312e07017e8a8cb (diff) | |
download | edk2-platforms-6c128c65b5ec0e5b8b5a0ccb165f3afd29e485f8.tar.xz |
Remove core packages since we can get them from edk2 repository
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'ArmPlatformPkg/Library/PL031RealTimeClockLib')
-rw-r--r-- | ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c | 684 | ||||
-rw-r--r-- | ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.inf | 46 |
2 files changed, 0 insertions, 730 deletions
diff --git a/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c b/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c deleted file mode 100644 index 52ba48992b..0000000000 --- a/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c +++ /dev/null @@ -1,684 +0,0 @@ -/** @file
- Implement EFI RealTimeClock runtime services via RTC Lib.
-
- Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
- Copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR>
-
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which 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.
-
-**/
-
-#include <Uefi.h>
-#include <PiDxe.h>
-#include <Library/BaseLib.h>
-#include <Library/DebugLib.h>
-#include <Library/UefiLib.h>
-#include <Library/IoLib.h>
-#include <Library/RealTimeClockLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/PcdLib.h>
-#include <Library/ArmPlatformSysConfigLib.h>
-#include <Library/DxeServicesTableLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/UefiRuntimeServicesTableLib.h>
-#include <Library/UefiRuntimeLib.h>
-
-#include <Protocol/RealTimeClock.h>
-
-#include <Guid/GlobalVariable.h>
-#include <Guid/EventGroup.h>
-
-#include <Drivers/PL031RealTimeClock.h>
-
-#include <ArmPlatform.h>
-
-STATIC CONST CHAR16 mTimeZoneVariableName[] = L"PL031RtcTimeZone";
-STATIC CONST CHAR16 mDaylightVariableName[] = L"PL031RtcDaylight";
-STATIC BOOLEAN mPL031Initialized = FALSE;
-STATIC EFI_EVENT mRtcVirtualAddrChangeEvent;
-STATIC UINTN mPL031RtcBase;
-STATIC EFI_RUNTIME_SERVICES *mRT;
-
-EFI_STATUS
-IdentifyPL031 (
- VOID
- )
-{
- EFI_STATUS Status;
-
- // Check if this is a PrimeCell Peripheral
- if ( (MmioRead8 (mPL031RtcBase + PL031_RTC_PCELL_ID0) != 0x0D)
- || (MmioRead8 (mPL031RtcBase + PL031_RTC_PCELL_ID1) != 0xF0)
- || (MmioRead8 (mPL031RtcBase + PL031_RTC_PCELL_ID2) != 0x05)
- || (MmioRead8 (mPL031RtcBase + PL031_RTC_PCELL_ID3) != 0xB1)) {
- Status = EFI_NOT_FOUND;
- goto EXIT;
- }
-
- // Check if this PrimeCell Peripheral is the PL031 Real Time Clock
- if ( (MmioRead8 (mPL031RtcBase + PL031_RTC_PERIPH_ID0) != 0x31)
- || (MmioRead8 (mPL031RtcBase + PL031_RTC_PERIPH_ID1) != 0x10)
- || ((MmioRead8 (mPL031RtcBase + PL031_RTC_PERIPH_ID2) & 0xF) != 0x04)
- || (MmioRead8 (mPL031RtcBase + PL031_RTC_PERIPH_ID3) != 0x00)) {
- Status = EFI_NOT_FOUND;
- goto EXIT;
- }
-
- Status = EFI_SUCCESS;
-
- EXIT:
- return Status;
-}
-
-EFI_STATUS
-InitializePL031 (
- VOID
- )
-{
- EFI_STATUS Status;
-
- // Prepare the hardware
- Status = IdentifyPL031();
- if (EFI_ERROR (Status)) {
- goto EXIT;
- }
-
- // Ensure interrupts are masked. We do not want RTC interrupts in UEFI
- if ((MmioRead32 (mPL031RtcBase + PL031_RTC_IMSC_IRQ_MASK_SET_CLEAR_REGISTER) & PL031_SET_IRQ_MASK) != PL031_SET_IRQ_MASK) {
- MmioOr32 (mPL031RtcBase + PL031_RTC_IMSC_IRQ_MASK_SET_CLEAR_REGISTER, PL031_SET_IRQ_MASK);
- }
-
- // Clear any existing interrupts
- if ((MmioRead32 (mPL031RtcBase + PL031_RTC_RIS_RAW_IRQ_STATUS_REGISTER) & PL031_IRQ_TRIGGERED) == PL031_IRQ_TRIGGERED) {
- MmioOr32 (mPL031RtcBase + PL031_RTC_ICR_IRQ_CLEAR_REGISTER, PL031_CLEAR_IRQ);
- }
-
- // Start the clock counter
- if ((MmioRead32 (mPL031RtcBase + PL031_RTC_CR_CONTROL_REGISTER) & PL031_RTC_ENABLED) != PL031_RTC_ENABLED) {
- MmioOr32 (mPL031RtcBase + PL031_RTC_CR_CONTROL_REGISTER, PL031_RTC_ENABLED);
- }
-
- mPL031Initialized = TRUE;
-
- EXIT:
- return Status;
-}
-
-/**
- Converts Epoch seconds (elapsed since 1970 JANUARY 01, 00:00:00 UTC) to EFI_TIME
- **/
-VOID
-EpochToEfiTime (
- IN UINTN EpochSeconds,
- OUT EFI_TIME *Time
- )
-{
- UINTN a;
- UINTN b;
- UINTN c;
- UINTN d;
- UINTN g;
- UINTN j;
- UINTN m;
- UINTN y;
- UINTN da;
- UINTN db;
- UINTN dc;
- UINTN dg;
- UINTN hh;
- UINTN mm;
- UINTN ss;
- UINTN J;
-
- J = (EpochSeconds / 86400) + 2440588;
- j = J + 32044;
- g = j / 146097;
- dg = j % 146097;
- c = (((dg / 36524) + 1) * 3) / 4;
- dc = dg - (c * 36524);
- b = dc / 1461;
- db = dc % 1461;
- a = (((db / 365) + 1) * 3) / 4;
- da = db - (a * 365);
- y = (g * 400) + (c * 100) + (b * 4) + a;
- m = (((da * 5) + 308) / 153) - 2;
- d = da - (((m + 4) * 153) / 5) + 122;
-
- Time->Year = y - 4800 + ((m + 2) / 12);
- Time->Month = ((m + 2) % 12) + 1;
- Time->Day = d + 1;
-
- ss = EpochSeconds % 60;
- a = (EpochSeconds - ss) / 60;
- mm = a % 60;
- b = (a - mm) / 60;
- hh = b % 24;
-
- Time->Hour = hh;
- Time->Minute = mm;
- Time->Second = ss;
- Time->Nanosecond = 0;
-
-}
-
-/**
- Converts EFI_TIME to Epoch seconds (elapsed since 1970 JANUARY 01, 00:00:00 UTC)
- **/
-UINTN
-EfiTimeToEpoch (
- IN EFI_TIME *Time
- )
-{
- UINTN a;
- UINTN y;
- UINTN m;
- UINTN JulianDate; // Absolute Julian Date representation of the supplied Time
- UINTN EpochDays; // Number of days elapsed since EPOCH_JULIAN_DAY
- UINTN EpochSeconds;
-
- a = (14 - Time->Month) / 12 ;
- y = Time->Year + 4800 - a;
- m = Time->Month + (12*a) - 3;
-
- JulianDate = Time->Day + ((153*m + 2)/5) + (365*y) + (y/4) - (y/100) + (y/400) - 32045;
-
- ASSERT (JulianDate >= EPOCH_JULIAN_DATE);
- EpochDays = JulianDate - EPOCH_JULIAN_DATE;
-
- EpochSeconds = (EpochDays * SEC_PER_DAY) + ((UINTN)Time->Hour * SEC_PER_HOUR) + (Time->Minute * SEC_PER_MIN) + Time->Second;
-
- return EpochSeconds;
-}
-
-BOOLEAN
-IsLeapYear (
- IN EFI_TIME *Time
- )
-{
- if (Time->Year % 4 == 0) {
- if (Time->Year % 100 == 0) {
- if (Time->Year % 400 == 0) {
- return TRUE;
- } else {
- return FALSE;
- }
- } else {
- return TRUE;
- }
- } else {
- return FALSE;
- }
-}
-
-BOOLEAN
-DayValid (
- IN EFI_TIME *Time
- )
-{
- STATIC CONST INTN DayOfMonth[12] = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
-
- if (Time->Day < 1 ||
- Time->Day > DayOfMonth[Time->Month - 1] ||
- (Time->Month == 2 && (!IsLeapYear (Time) && Time->Day > 28))
- ) {
- return FALSE;
- }
-
- return TRUE;
-}
-
-/**
- Returns the current time and date information, and the time-keeping capabilities
- of the hardware platform.
-
- @param Time A pointer to storage to receive a snapshot of the current time.
- @param Capabilities An optional pointer to a buffer to receive the real time clock
- device's capabilities.
-
- @retval EFI_SUCCESS The operation completed successfully.
- @retval EFI_INVALID_PARAMETER Time is NULL.
- @retval EFI_DEVICE_ERROR The time could not be retrieved due to hardware error.
- @retval EFI_SECURITY_VIOLATION The time could not be retrieved due to an authentication failure.
-
-**/
-EFI_STATUS
-EFIAPI
-LibGetTime (
- OUT EFI_TIME *Time,
- OUT EFI_TIME_CAPABILITIES *Capabilities
- )
-{
- EFI_STATUS Status = EFI_SUCCESS;
- UINT32 EpochSeconds;
- INT16 TimeZone;
- UINT8 Daylight;
- UINTN Size;
-
- // Initialize the hardware if not already done
- if (!mPL031Initialized) {
- Status = InitializePL031 ();
- if (EFI_ERROR (Status)) {
- goto EXIT;
- }
- }
-
- // Snapshot the time as early in the function call as possible
- // On some platforms we may have access to a battery backed up hardware clock.
- // If such RTC exists try to use it first.
- Status = ArmPlatformSysConfigGet (SYS_CFG_RTC, &EpochSeconds);
- if (Status == EFI_UNSUPPORTED) {
- // Battery backed up hardware RTC does not exist, revert to PL031
- EpochSeconds = MmioRead32 (mPL031RtcBase + PL031_RTC_DR_DATA_REGISTER);
- Status = EFI_SUCCESS;
- } else if (EFI_ERROR (Status)) {
- // Battery backed up hardware RTC exists but could not be read due to error. Abort.
- goto EXIT;
- } else {
- // Battery backed up hardware RTC exists and we read the time correctly from it.
- // Now sync the PL031 to the new time.
- MmioWrite32 (mPL031RtcBase + PL031_RTC_LR_LOAD_REGISTER, EpochSeconds);
- }
-
- // Ensure Time is a valid pointer
- if (Time == NULL) {
- Status = EFI_INVALID_PARAMETER;
- goto EXIT;
- }
-
- // Get the current time zone information from non-volatile storage
- Size = sizeof (TimeZone);
- Status = mRT->GetVariable (
- (CHAR16 *)mTimeZoneVariableName,
- &gEfiCallerIdGuid,
- NULL,
- &Size,
- (VOID *)&TimeZone
- );
-
- if (EFI_ERROR (Status)) {
- ASSERT(Status != EFI_INVALID_PARAMETER);
- ASSERT(Status != EFI_BUFFER_TOO_SMALL);
-
- if (Status != EFI_NOT_FOUND)
- goto EXIT;
-
- // The time zone variable does not exist in non-volatile storage, so create it.
- Time->TimeZone = EFI_UNSPECIFIED_TIMEZONE;
- // Store it
- Status = mRT->SetVariable (
- (CHAR16 *)mTimeZoneVariableName,
- &gEfiCallerIdGuid,
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
- Size,
- (VOID *)&(Time->TimeZone)
- );
- if (EFI_ERROR (Status)) {
- DEBUG ((
- EFI_D_ERROR,
- "LibGetTime: Failed to save %s variable to non-volatile storage, Status = %r\n",
- mTimeZoneVariableName,
- Status
- ));
- goto EXIT;
- }
- } else {
- // Got the time zone
- Time->TimeZone = TimeZone;
-
- // Check TimeZone bounds: -1440 to 1440 or 2047
- if (((Time->TimeZone < -1440) || (Time->TimeZone > 1440))
- && (Time->TimeZone != EFI_UNSPECIFIED_TIMEZONE)) {
- Time->TimeZone = EFI_UNSPECIFIED_TIMEZONE;
- }
-
- // Adjust for the correct time zone
- if (Time->TimeZone != EFI_UNSPECIFIED_TIMEZONE) {
- EpochSeconds += Time->TimeZone * SEC_PER_MIN;
- }
- }
-
- // Get the current daylight information from non-volatile storage
- Size = sizeof (Daylight);
- Status = mRT->GetVariable (
- (CHAR16 *)mDaylightVariableName,
- &gEfiCallerIdGuid,
- NULL,
- &Size,
- (VOID *)&Daylight
- );
-
- if (EFI_ERROR (Status)) {
- ASSERT(Status != EFI_INVALID_PARAMETER);
- ASSERT(Status != EFI_BUFFER_TOO_SMALL);
-
- if (Status != EFI_NOT_FOUND)
- goto EXIT;
-
- // The daylight variable does not exist in non-volatile storage, so create it.
- Time->Daylight = 0;
- // Store it
- Status = mRT->SetVariable (
- (CHAR16 *)mDaylightVariableName,
- &gEfiCallerIdGuid,
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
- Size,
- (VOID *)&(Time->Daylight)
- );
- if (EFI_ERROR (Status)) {
- DEBUG ((
- EFI_D_ERROR,
- "LibGetTime: Failed to save %s variable to non-volatile storage, Status = %r\n",
- mDaylightVariableName,
- Status
- ));
- goto EXIT;
- }
- } else {
- // Got the daylight information
- Time->Daylight = Daylight;
-
- // Adjust for the correct period
- if ((Time->Daylight & EFI_TIME_IN_DAYLIGHT) == EFI_TIME_IN_DAYLIGHT) {
- // Convert to adjusted time, i.e. spring forwards one hour
- EpochSeconds += SEC_PER_HOUR;
- }
- }
-
- // Convert from internal 32-bit time to UEFI time
- EpochToEfiTime (EpochSeconds, Time);
-
- // Update the Capabilities info
- if (Capabilities != NULL) {
- // PL031 runs at frequency 1Hz
- Capabilities->Resolution = PL031_COUNTS_PER_SECOND;
- // Accuracy in ppm multiplied by 1,000,000, e.g. for 50ppm set 50,000,000
- Capabilities->Accuracy = (UINT32)PcdGet32 (PcdPL031RtcPpmAccuracy);
- // FALSE: Setting the time does not clear the values below the resolution level
- Capabilities->SetsToZero = FALSE;
- }
-
- EXIT:
- return Status;
-}
-
-
-/**
- Sets the current local time and date information.
-
- @param Time A pointer to the current time.
-
- @retval EFI_SUCCESS The operation completed successfully.
- @retval EFI_INVALID_PARAMETER A time field is out of range.
- @retval EFI_DEVICE_ERROR The time could not be set due due to hardware error.
-
-**/
-EFI_STATUS
-EFIAPI
-LibSetTime (
- IN EFI_TIME *Time
- )
-{
- EFI_STATUS Status;
- UINTN EpochSeconds;
-
- // Check the input parameters are within the range specified by UEFI
- if ((Time->Year < 1900) ||
- (Time->Year > 9999) ||
- (Time->Month < 1 ) ||
- (Time->Month > 12 ) ||
- (!DayValid (Time) ) ||
- (Time->Hour > 23 ) ||
- (Time->Minute > 59 ) ||
- (Time->Second > 59 ) ||
- (Time->Nanosecond > 999999999) ||
- (!((Time->TimeZone == EFI_UNSPECIFIED_TIMEZONE) || ((Time->TimeZone >= -1440) && (Time->TimeZone <= 1440)))) ||
- (Time->Daylight & (~(EFI_TIME_ADJUST_DAYLIGHT | EFI_TIME_IN_DAYLIGHT)))
- ) {
- Status = EFI_INVALID_PARAMETER;
- goto EXIT;
- }
-
- // Because the PL031 is a 32-bit counter counting seconds,
- // the maximum time span is just over 136 years.
- // Time is stored in Unix Epoch format, so it starts in 1970,
- // Therefore it can not exceed the year 2106.
- if ((Time->Year < 1970) || (Time->Year >= 2106)) {
- Status = EFI_UNSUPPORTED;
- goto EXIT;
- }
-
- // Initialize the hardware if not already done
- if (!mPL031Initialized) {
- Status = InitializePL031 ();
- if (EFI_ERROR (Status)) {
- goto EXIT;
- }
- }
-
- EpochSeconds = EfiTimeToEpoch (Time);
-
- // Adjust for the correct time zone, i.e. convert to UTC time zone
- if (Time->TimeZone != EFI_UNSPECIFIED_TIMEZONE) {
- EpochSeconds -= Time->TimeZone * SEC_PER_MIN;
- }
-
- // TODO: Automatic Daylight activation
-
- // Adjust for the correct period
- if ((Time->Daylight & EFI_TIME_IN_DAYLIGHT) == EFI_TIME_IN_DAYLIGHT) {
- // Convert to un-adjusted time, i.e. fall back one hour
- EpochSeconds -= SEC_PER_HOUR;
- }
-
- // On some platforms we may have access to a battery backed up hardware clock.
- //
- // If such RTC exists then it must be updated first, before the PL031,
- // to minimise any time drift. This is important because the battery backed-up
- // RTC maintains the master time for the platform across reboots.
- //
- // If such RTC does not exist then the following function returns UNSUPPORTED.
- Status = ArmPlatformSysConfigSet (SYS_CFG_RTC, EpochSeconds);
- if ((EFI_ERROR (Status)) && (Status != EFI_UNSUPPORTED)){
- // Any status message except SUCCESS and UNSUPPORTED indicates a hardware failure.
- goto EXIT;
- }
-
-
- // Set the PL031
- MmioWrite32 (mPL031RtcBase + PL031_RTC_LR_LOAD_REGISTER, EpochSeconds);
-
- // The accesses to Variable Services can be very slow, because we may be writing to Flash.
- // Do this after having set the RTC.
-
- // Save the current time zone information into non-volatile storage
- Status = mRT->SetVariable (
- (CHAR16 *)mTimeZoneVariableName,
- &gEfiCallerIdGuid,
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
- sizeof (Time->TimeZone),
- (VOID *)&(Time->TimeZone)
- );
- if (EFI_ERROR (Status)) {
- DEBUG ((
- EFI_D_ERROR,
- "LibSetTime: Failed to save %s variable to non-volatile storage, Status = %r\n",
- mTimeZoneVariableName,
- Status
- ));
- goto EXIT;
- }
-
- // Save the current daylight information into non-volatile storage
- Status = mRT->SetVariable (
- (CHAR16 *)mDaylightVariableName,
- &gEfiCallerIdGuid,
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
- sizeof(Time->Daylight),
- (VOID *)&(Time->Daylight)
- );
- if (EFI_ERROR (Status)) {
- DEBUG ((
- EFI_D_ERROR,
- "LibSetTime: Failed to save %s variable to non-volatile storage, Status = %r\n",
- mDaylightVariableName,
- Status
- ));
- goto EXIT;
- }
-
- EXIT:
- return Status;
-}
-
-
-/**
- Returns the current wakeup alarm clock setting.
-
- @param Enabled Indicates if the alarm is currently enabled or disabled.
- @param Pending Indicates if the alarm signal is pending and requires acknowledgement.
- @param Time The current alarm setting.
-
- @retval EFI_SUCCESS The alarm settings were returned.
- @retval EFI_INVALID_PARAMETER Any parameter is NULL.
- @retval EFI_DEVICE_ERROR The wakeup time could not be retrieved due to a hardware error.
-
-**/
-EFI_STATUS
-EFIAPI
-LibGetWakeupTime (
- OUT BOOLEAN *Enabled,
- OUT BOOLEAN *Pending,
- OUT EFI_TIME *Time
- )
-{
- // Not a required feature
- return EFI_UNSUPPORTED;
-}
-
-
-/**
- Sets the system wakeup alarm clock time.
-
- @param Enabled Enable or disable the wakeup alarm.
- @param Time If Enable is TRUE, the time to set the wakeup alarm for.
-
- @retval EFI_SUCCESS If Enable is TRUE, then the wakeup alarm was enabled. If
- Enable is FALSE, then the wakeup alarm was disabled.
- @retval EFI_INVALID_PARAMETER A time field is out of range.
- @retval EFI_DEVICE_ERROR The wakeup time could not be set due to a hardware error.
- @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform.
-
-**/
-EFI_STATUS
-EFIAPI
-LibSetWakeupTime (
- IN BOOLEAN Enabled,
- OUT EFI_TIME *Time
- )
-{
- // Not a required feature
- return EFI_UNSUPPORTED;
-}
-
-/**
- Fixup internal data so that EFI can be call in virtual mode.
- Call the passed in Child Notify event and convert any pointers in
- lib to virtual mode.
-
- @param[in] Event The Event that is being processed
- @param[in] Context Event Context
-**/
-VOID
-EFIAPI
-LibRtcVirtualNotifyEvent (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- //
- // Only needed if you are going to support the OS calling RTC functions in virtual mode.
- // You will need to call EfiConvertPointer (). To convert any stored physical addresses
- // to virtual address. After the OS transitions to calling in virtual mode, all future
- // runtime calls will be made in virtual mode.
- //
- EfiConvertPointer (0x0, (VOID**)&mPL031RtcBase);
- EfiConvertPointer (0x0, (VOID**)&mRT);
- return;
-}
-
-/**
- This is the declaration of an EFI image entry point. This can be the entry point to an application
- written to this specification, an EFI boot service driver, or an EFI runtime driver.
-
- @param ImageHandle Handle that identifies the loaded image.
- @param SystemTable System Table for this image.
-
- @retval EFI_SUCCESS The operation completed successfully.
-
-**/
-EFI_STATUS
-EFIAPI
-LibRtcInitialize (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
- EFI_HANDLE Handle;
-
- // Initialize RTC Base Address
- mPL031RtcBase = PcdGet32 (PcdPL031RtcBase);
-
- // Declare the controller as EFI_MEMORY_RUNTIME
- Status = gDS->AddMemorySpace (
- EfiGcdMemoryTypeMemoryMappedIo,
- mPL031RtcBase, SIZE_4KB,
- EFI_MEMORY_UC | EFI_MEMORY_RUNTIME
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = gDS->SetMemorySpaceAttributes (mPL031RtcBase, SIZE_4KB, EFI_MEMORY_UC | EFI_MEMORY_RUNTIME);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- // Setup the setters and getters
- gRT->GetTime = LibGetTime;
- gRT->SetTime = LibSetTime;
- gRT->GetWakeupTime = LibGetWakeupTime;
- gRT->SetWakeupTime = LibSetWakeupTime;
-
- mRT = gRT;
-
- // Install the protocol
- Handle = NULL;
- Status = gBS->InstallMultipleProtocolInterfaces (
- &Handle,
- &gEfiRealTimeClockArchProtocolGuid, NULL,
- NULL
- );
- ASSERT_EFI_ERROR (Status);
-
- //
- // Register for the virtual address change event
- //
- Status = gBS->CreateEventEx (
- EVT_NOTIFY_SIGNAL,
- TPL_NOTIFY,
- LibRtcVirtualNotifyEvent,
- NULL,
- &gEfiEventVirtualAddressChangeGuid,
- &mRtcVirtualAddrChangeEvent
- );
- ASSERT_EFI_ERROR (Status);
-
- return Status;
-}
diff --git a/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.inf b/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.inf deleted file mode 100644 index 3a98fc757e..0000000000 --- a/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.inf +++ /dev/null @@ -1,46 +0,0 @@ -#/** @file
-#
-# Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
-# Copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR>
-#
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which 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.
-#
-#
-#**/
-
-[Defines]
- INF_VERSION = 0x00010005
- BASE_NAME = PL031RealTimeClockLib
- FILE_GUID = 470DFB96-E205-4515-A75E-2E60F853E79D
- MODULE_TYPE = BASE
- VERSION_STRING = 1.0
- LIBRARY_CLASS = RealTimeClockLib
-
-[Sources.common]
- PL031RealTimeClockLib.c
-
-[Packages]
- MdePkg/MdePkg.dec
- EmbeddedPkg/EmbeddedPkg.dec
- ArmPlatformPkg/ArmPlatformPkg.dec
-
-[LibraryClasses]
- IoLib
- UefiLib
- DebugLib
- PcdLib
- ArmPlatformSysConfigLib
- DxeServicesTableLib
- UefiRuntimeLib
-
-[Guids]
- gEfiEventVirtualAddressChangeGuid
-
-[Pcd]
- gArmPlatformTokenSpaceGuid.PcdPL031RtcBase
- gArmPlatformTokenSpaceGuid.PcdPL031RtcPpmAccuracy
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