Re: [PATCH] ArmPkg: Bug #361 fix Watchdog PCDs

[Ard Biesheuvel <ard.biesheuvel@linaro.org>]

On 6 February 2017 at 19:05,  <evan.lloyd@arm.com> wrote:
> From: Alexei <Alexei.Fedorov@arm.com>
>
> "ARM Generic Watchdog base addresses must be declared as UINT64 values"
> https://bugzilla.tianocore.org/show_bug.cgi?id=361
>
> PcdGenericWatchdogControlBase & PcdGenericWatchdogRefreshBase
> are declared as UINT32 values in ArmPkg.dec, but for platforms
> with addresses in the memory range above 4GB this causes build
> error F000: Too large PCD value for datum type [UINT32]
> of PCD gArmTokenSpaceGuid.PcdGenericWatchdogControlBase
>
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Alexei Fedorov <alexei.fedorov@arm.com>
> Signed-off-by: Evan Lloyd <evan.lloyd@arm.com>

Applied, thanks.

> ---
>  ArmPkg/ArmPkg.dec                                   |  6 +++---
>  ArmPkg/Drivers/GenericWatchdogDxe/GenericWatchdog.h | 10 +++++-----
>  2 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/ArmPkg/ArmPkg.dec b/ArmPkg/ArmPkg.dec
> index 090ed99513669e32aee2f083e1dcf8327be40842..8e9cf199becc65a9f6fe08e2d5b216bc2af4c31d 100644
> --- a/ArmPkg/ArmPkg.dec
> +++ b/ArmPkg/ArmPkg.dec
> @@ -2,7 +2,7 @@
>  # ARM processor package.
>  #
>  # Copyright (c) 2009 - 2010, Apple Inc. All rights reserved.<BR>
> -# Copyright (c) 2011 - 2015, ARM Limited. All rights reserved.
> +# Copyright (c) 2011 - 2017, 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
> @@ -252,8 +252,8 @@ [PcdsFixedAtBuild.common, PcdsDynamic.common]
>    # ARM Generic Watchdog
>    #
>
> -  gArmTokenSpaceGuid.PcdGenericWatchdogControlBase|0x2A440000|UINT32|0x00000007
> -  gArmTokenSpaceGuid.PcdGenericWatchdogRefreshBase|0x2A450000|UINT32|0x00000008
> +  gArmTokenSpaceGuid.PcdGenericWatchdogControlBase|0x2A440000|UINT64|0x00000007
> +  gArmTokenSpaceGuid.PcdGenericWatchdogRefreshBase|0x2A450000|UINT64|0x00000008
>    gArmTokenSpaceGuid.PcdGenericWatchdogEl2IntrNum|93|UINT32|0x00000009
>
>    #
> diff --git a/ArmPkg/Drivers/GenericWatchdogDxe/GenericWatchdog.h b/ArmPkg/Drivers/GenericWatchdogDxe/GenericWatchdog.h
> index 578fd1e85f8e11b42e546f92123fd041a2d3b153..9e2aebcfd5e557269bbc36556dbcbc8f6809aeb0 100644
> --- a/ArmPkg/Drivers/GenericWatchdogDxe/GenericWatchdog.h
> +++ b/ArmPkg/Drivers/GenericWatchdogDxe/GenericWatchdog.h
> @@ -1,6 +1,6 @@
>  /** @file
>  *
> -*  Copyright (c) 2013-2014, ARM Limited. All rights reserved.
> +*  Copyright (c) 2013-2017, ARM Limited. All rights reserved.
>  *
>  *  This program and the accompanying materials
>  *  are licensed and made available under the terms and conditions of the BSD
> @@ -15,12 +15,12 @@
>  #define __GENERIC_WATCHDOG_H__
>
>  // Refresh Frame:
> -#define GENERIC_WDOG_REFRESH_REG              ((UINT32)FixedPcdGet32 (PcdGenericWatchdogRefreshBase) + 0x000)
> +#define GENERIC_WDOG_REFRESH_REG              ((UINTN)FixedPcdGet64 (PcdGenericWatchdogRefreshBase) + 0x000)
>
>  // Control Frame:
> -#define GENERIC_WDOG_CONTROL_STATUS_REG       ((UINT32)FixedPcdGet32 (PcdGenericWatchdogControlBase) + 0x000)
> -#define GENERIC_WDOG_OFFSET_REG               ((UINT32)FixedPcdGet32 (PcdGenericWatchdogControlBase) + 0x008)
> -#define GENERIC_WDOG_COMPARE_VALUE_REG        ((UINT32)FixedPcdGet32 (PcdGenericWatchdogControlBase) + 0x010)
> +#define GENERIC_WDOG_CONTROL_STATUS_REG       ((UINTN)FixedPcdGet64 (PcdGenericWatchdogControlBase) + 0x000)
> +#define GENERIC_WDOG_OFFSET_REG               ((UINTN)FixedPcdGet64 (PcdGenericWatchdogControlBase) + 0x008)
> +#define GENERIC_WDOG_COMPARE_VALUE_REG        ((UINTN)FixedPcdGet64 (PcdGenericWatchdogControlBase) + 0x010)
>
>  // Values of bit 0 of the Control/Status Register
>  #define GENERIC_WDOG_ENABLED          1
> --
> Guid("CE165669-3EF3-493F-B85D-6190EE5B9759")
>