diff options
Diffstat (limited to 'Omap35xxPkg/Library/RealTimeClockLib/RealTimeClockLib.c')
| -rw-r--r-- | Omap35xxPkg/Library/RealTimeClockLib/RealTimeClockLib.c | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/Omap35xxPkg/Library/RealTimeClockLib/RealTimeClockLib.c b/Omap35xxPkg/Library/RealTimeClockLib/RealTimeClockLib.c deleted file mode 100644 index ddde186..0000000 --- a/Omap35xxPkg/Library/RealTimeClockLib/RealTimeClockLib.c +++ /dev/null @@ -1,291 +0,0 @@ -/** @file
-*
-* Copyright (c) 2011, ARM Limited. All rights reserved.
-*
-* SPDX-License-Identifier: BSD-2-Clause-Patent
-*
-**/
-
-#include <Uefi.h>
-
-#include <Library/BaseMemoryLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/UefiRuntimeServicesTableLib.h>
-#include <Library/DebugLib.h>
-#include <Library/IoLib.h>
-
-#include <Protocol/RealTimeClock.h>
-#include <Protocol/EmbeddedExternalDevice.h>
-
-#include <Omap3530/Omap3530.h>
-#include <TPS65950.h>
-
-
-EMBEDDED_EXTERNAL_DEVICE *gTPS65950;
-INT16 TimeZone = EFI_UNSPECIFIED_TIMEZONE;
-
-/**
- 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.
-
-**/
-EFI_STATUS
-EFIAPI
-LibGetTime (
- OUT EFI_TIME *Time,
- OUT EFI_TIME_CAPABILITIES *Capabilities
- )
-{
- EFI_STATUS Status;
- UINT8 Data;
- EFI_TPL OldTpl;
-
- if (Time == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL(TPL_NOTIFY);
-
- /* Get time and date */
- ZeroMem(Time, sizeof(EFI_TIME));
-
- // Latch values
- Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, RTC_CTRL_REG), 1, &Data);
- if (Status != EFI_SUCCESS) goto EXIT;
- Data |= BIT6;
- Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, RTC_CTRL_REG), 1, &Data);
- if (Status != EFI_SUCCESS) goto EXIT;
-
- // Read registers
- Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, YEARS_REG), 1, &Data);
- if (Status != EFI_SUCCESS) goto EXIT;
- Time->Year = 2000 + ((Data >> 4) & 0xF) * 10 + (Data & 0xF);
-
- Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, MONTHS_REG), 1, &Data);
- if (Status != EFI_SUCCESS) goto EXIT;
- Time->Month = ((Data >> 4) & 0x1) * 10 + (Data & 0xF);
-
- Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, DAYS_REG), 1, &Data);
- if (Status != EFI_SUCCESS) goto EXIT;
- Time->Day = ((Data >> 4) & 0x3) * 10 + (Data & 0xF);
-
- Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, HOURS_REG), 1, &Data);
- if (Status != EFI_SUCCESS) goto EXIT;
- Time->Hour = ((Data >> 4) & 0x3) * 10 + (Data & 0xF);
-
- Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, MINUTES_REG), 1, &Data);
- if (Status != EFI_SUCCESS) goto EXIT;
- Time->Minute = ((Data >> 4) & 0x7) * 10 + (Data & 0xF);
-
- Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, SECONDS_REG), 1, &Data);
- if (Status != EFI_SUCCESS) goto EXIT;
- Time->Second = ((Data >> 4) & 0x7) * 10 + (Data & 0xF);
-
- Time->TimeZone = TimeZone;
- // TODO: check what to use here
- Time->Daylight = EFI_TIME_ADJUST_DAYLIGHT;
-
- // Set capabilities
-
- // TODO: Set real capabilities
- if (Capabilities != NULL) {
- Capabilities->Resolution = 1;
- Capabilities->Accuracy = 50000000;
- Capabilities->SetsToZero = FALSE;
- }
-
-EXIT:
- gBS->RestoreTPL(OldTpl);
-
- return (Status == EFI_SUCCESS) ? Status : EFI_DEVICE_ERROR;
-}
-
-/**
- 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;
- UINT8 Data;
- UINT8 MonthDayCount[12] = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
- EFI_TPL OldTpl;
-
- // Input validation according both to UEFI spec and hardware constraints
- // UEFI spec says valid year range is 1900-9999 but TPS only supports 2000-2099
- if ( (Time == NULL)
- || (Time->Year < 2000 || Time->Year > 2099)
- || (Time->Month < 1 || Time->Month > 12)
- || (Time->Day < 1 || Time->Day > MonthDayCount[Time->Month])
- || (Time->Hour > 23)
- || (Time->Minute > 59)
- || (Time->Second > 59)
- || (Time->Nanosecond > 999999999)
- || ((Time->TimeZone < -1440 || Time->TimeZone > 1440) && Time->TimeZone != 2047)
- ) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL(TPL_NOTIFY);
-
- Data = Time->Year - 2000;
- Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, YEARS_REG), 1, &Data);
- if (Status != EFI_SUCCESS) goto EXIT;
-
- Data = ((Time->Month / 10) << 4) | (Time->Month % 10);
- Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, MONTHS_REG), 1, &Data);
- if (Status != EFI_SUCCESS) goto EXIT;
-
- Data = ((Time->Day / 10) << 4) | (Time->Day % 10);
- Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, DAYS_REG), 1, &Data);
- if (Status != EFI_SUCCESS) goto EXIT;
-
- Data = ((Time->Hour / 10) << 4) | (Time->Hour % 10);
- Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, HOURS_REG), 1, &Data);
- if (Status != EFI_SUCCESS) goto EXIT;
-
- Data = ((Time->Minute / 10) << 4) | (Time->Minute % 10);
- Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, MINUTES_REG), 1, &Data);
- if (Status != EFI_SUCCESS) goto EXIT;
-
- Data = ((Time->Second / 10) << 4) | (Time->Second % 10);
- Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, SECONDS_REG), 1, &Data);
- if (Status != EFI_SUCCESS) goto EXIT;
-
- TimeZone = Time->TimeZone;
-
-EXIT:
- gBS->RestoreTPL(OldTpl);
-
- return (Status == EFI_SUCCESS) ? Status : EFI_DEVICE_ERROR;
-}
-
-/**
- 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
- )
-{
- 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
- )
-{
- return EFI_UNSUPPORTED;
-}
-
-/**
- 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;
- UINT8 Data;
- EFI_TPL OldTpl;
-
- Status = gBS->LocateProtocol (&gEmbeddedExternalDeviceProtocolGuid, NULL, (VOID **)&gTPS65950);
- ASSERT_EFI_ERROR(Status);
-
- OldTpl = gBS->RaiseTPL(TPL_NOTIFY);
- Data = 1;
- Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, RTC_CTRL_REG), 1, &Data);
- ASSERT_EFI_ERROR(Status);
- gBS->RestoreTPL(OldTpl);
-
- // Setup the setters and getters
- gRT->GetTime = LibGetTime;
- gRT->SetTime = LibSetTime;
- gRT->GetWakeupTime = LibGetWakeupTime;
- gRT->SetWakeupTime = LibSetWakeupTime;
-
- // Install the protocol
- Handle = NULL;
- Status = gBS->InstallMultipleProtocolInterfaces (
- &Handle,
- &gEfiRealTimeClockArchProtocolGuid, NULL,
- NULL
- );
-
- return Status;
-}
-
-/**
- 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
- )
-{
- return;
-}
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