From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cam-smtp0.cambridge.arm.com (fw-tnat.cambridge.arm.com [217.140.96.140]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 03C1A81F3F for ; Thu, 9 Feb 2017 11:26:31 -0800 (PST) Received: from E107800.Emea.Arm.com (e107800.emea.arm.com [10.1.31.76]) by cam-smtp0.cambridge.arm.com (8.13.8/8.13.8) with ESMTP id v19JQSoi006780; Thu, 9 Feb 2017 19:26:29 GMT From: evan.lloyd@arm.com To: edk2-devel@ml01.01.org Cc: Ard Biesheuvel , Leif Lindholm , Ryan Harkin Date: Thu, 9 Feb 2017 19:26:22 +0000 Message-Id: <20170209192623.262044-4-evan.lloyd@arm.com> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20170209192623.262044-1-evan.lloyd@arm.com> References: <20170209192623.262044-1-evan.lloyd@arm.com> Subject: [PATCH 3/4] ArmPkg/GenericWatchdogDxe: Set Watchdog interrupt type X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Feb 2017 19:26:32 -0000 From: Ard Biesheuvel Utilise the new HardwareInterrupt2 protocol to adjust the Edje/Level characteristics of the Watchdog interrupt. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ard Biesheuvel Signed-off-by: Girish Pathak Signed-off-by: Evan Lloyd Tested-by: Girish Pathak --- ArmPkg/Drivers/GenericWatchdogDxe/GenericWatchdogDxe.inf | 4 +-- ArmPkg/Drivers/GenericWatchdogDxe/GenericWatchdogDxe.c | 27 ++++++++++++-------- 2 files changed, 19 insertions(+), 12 deletions(-) diff --git a/ArmPkg/Drivers/GenericWatchdogDxe/GenericWatchdogDxe.inf b/ArmPkg/Drivers/GenericWatchdogDxe/GenericWatchdogDxe.inf index fece14cc18315cd15510680c438288687b60c018..51d5c0042d84333b9fe66547c99a8d8ed987f175 100644 --- a/ArmPkg/Drivers/GenericWatchdogDxe/GenericWatchdogDxe.inf +++ b/ArmPkg/Drivers/GenericWatchdogDxe/GenericWatchdogDxe.inf @@ -47,7 +47,7 @@ [Pcd.common] [Protocols] gEfiWatchdogTimerArchProtocolGuid - gHardwareInterruptProtocolGuid + gHardwareInterrupt2ProtocolGuid [Depex] - gHardwareInterruptProtocolGuid + gHardwareInterrupt2ProtocolGuid diff --git a/ArmPkg/Drivers/GenericWatchdogDxe/GenericWatchdogDxe.c b/ArmPkg/Drivers/GenericWatchdogDxe/GenericWatchdogDxe.c index 54a1625a32137556b58fa93ddf7fbe4d0f22c786..9ba9bf79c961b52dc9b448039a9186e069fc29f7 100644 --- a/ArmPkg/Drivers/GenericWatchdogDxe/GenericWatchdogDxe.c +++ b/ArmPkg/Drivers/GenericWatchdogDxe/GenericWatchdogDxe.c @@ -25,7 +25,8 @@ #include #include -#include + +#include #include "GenericWatchdog.h" @@ -41,7 +42,7 @@ UINTN mTimerFrequencyHz = 0; // It is therefore stored here. 0 means the timer is not running. UINT64 mNumTimerTicks = 0; -EFI_HARDWARE_INTERRUPT_PROTOCOL *mInterruptProtocol; +EFI_HARDWARE_INTERRUPT2_PROTOCOL *mInterruptProtocol; EFI_STATUS WatchdogWriteOffsetRegister ( @@ -320,7 +321,7 @@ GenericWatchdogEntry ( if (!EFI_ERROR (Status)) { // Install interrupt handler Status = gBS->LocateProtocol ( - &gHardwareInterruptProtocolGuid, + &gHardwareInterrupt2ProtocolGuid, NULL, (VOID **)&mInterruptProtocol ); @@ -331,13 +332,19 @@ GenericWatchdogEntry ( WatchdogInterruptHandler ); if (!EFI_ERROR (Status)) { - // Install the Timer Architectural Protocol onto a new handle - Handle = NULL; - Status = gBS->InstallMultipleProtocolInterfaces ( - &Handle, - &gEfiWatchdogTimerArchProtocolGuid, &gWatchdogTimer, - NULL - ); + Status = mInterruptProtocol->SetTriggerType ( + mInterruptProtocol, + FixedPcdGet32 (PcdGenericWatchdogEl2IntrNum), + EFI_HARDWARE_INTERRUPT2_TRIGGER_EDGE_RISING); + if (!EFI_ERROR (Status)) { + // Install the Timer Architectural Protocol onto a new handle + Handle = NULL; + Status = gBS->InstallMultipleProtocolInterfaces ( + &Handle, + &gEfiWatchdogTimerArchProtocolGuid, &gWatchdogTimer, + NULL + ); + } } } } -- Guid("CE165669-3EF3-493F-B85D-6190EE5B9759")