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ArmPlatformPkg/SP805WatchdogDxe: Removed late initialization capability from the watchdog 

The watchdog driver is a UEFI architectural driver. The watchdog controller
is always going to be intialized.



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13137 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin 2012-03-26 11:05:25 +00:00
parent 8dd9e159b9
commit e28e0ad9d7
2 changed files with 8 additions and 39 deletions
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43
ArmPlatformPkg/Drivers/SP805WatchdogDxe/SP805Watchdog.c
View File

@ -1,6 +1,6 @@
/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
* Copyright (c) 2011-2012, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
@ -29,8 +29,6 @@
EFI_EVENT EfiExitBootServicesEvent = (EFI_EVENT)NULL;
BOOLEAN mSP805Initialized = FALSE;
EFI_STATUS
SP805Identify (
VOID
@ -217,14 +215,6 @@ SP805SetTimerPeriod (
EFI_STATUS Status = EFI_SUCCESS;
UINT64 Ticks64bit;
// Initialize the hardware if not already done
if( !mSP805Initialized ) {
Status = SP805Initialize();
if (EFI_ERROR(Status)) {
goto EXIT;
}
}
SP805Unlock();
if( TimerPeriod == 0 ) {
@ -298,14 +288,6 @@ SP805GetTimerPeriod (
return EFI_INVALID_PARAMETER;
}
// Initialize the hardware if not already done
if( !mSP805Initialized ) {
Status = SP805Initialize();
if (EFI_ERROR(Status)) {
goto EXIT;
}
}
// Check if the watchdog is stopped
if ( (MmioRead32(SP805_WDOG_CONTROL_REG) & SP805_WDOG_CTRL_INTEN) == 0 ) {
// It is stopped, so return zero.
@ -372,11 +354,14 @@ EFI_WATCHDOG_TIMER_ARCH_PROTOCOL gWatchdogTimer = {
**/
EFI_STATUS
EFIAPI
SP805Initialize (
VOID
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_HANDLE Handle;
// Check if the SP805 hardware watchdog module exists on board
Status = SP805Identify();
@ -398,23 +383,7 @@ SP805Initialize (
// Prohibit any rogue access to SP805 registers
SP805Lock();
mSP805Initialized = TRUE;
EXIT:
return Status;
}
EFI_STATUS
EFIAPI
SP805InstallProtocol (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_HANDLE Handle;
//
// Make sure the Watchdog Timer Architectural Protocol has not been installed in the system yet.
// This will avoid conflicts with the universal watchdog

4
ArmPlatformPkg/Drivers/SP805WatchdogDxe/SP805WatchdogDxe.inf
View File

@ -1,6 +1,6 @@
/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
* Copyright (c) 2011-2012, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
@ -19,7 +19,7 @@
MODULE_TYPE = DXE_DRIVER
VERSION_STRING = 1.0
ENTRY_POINT = SP805InstallProtocol
ENTRY_POINT = SP805Initialize
[Sources.common]
SP805Watchdog.c