On Wed, May 27, 2020 at 22:33:54 +0800, Ming Huang wrote:
> The dsdt need be updated before boot to OS, so change the updating
> to ready to boot event and can remove the needless dependence.
>
> Signed-off-by: Ming Huang <huangmin...@huawei.com>
Reviewed-by: Leif Lindholm <l...@nuviainc.com>
> ---
> Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatform.c | 56
> +++++++++++++++++++-
> Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf | 4 +-
> 2 files changed, 56 insertions(+), 4 deletions(-)
>
> diff --git a/Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatform.c
> b/Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatform.c
> index b888cb1..c45a0bb 100644
> --- a/Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatform.c
> +++ b/Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatform.c
> @@ -1,7 +1,7 @@
> /** @file
>
> Copyright (c) 2014, Applied Micro Curcuit Corporation. All rights
> reserved.<BR>
> - Copyright (c) 2015, Hisilicon Limited. All rights reserved.<BR>
> + Copyright (c) 2015 - 2020, Hisilicon Limited. All rights reserved.<BR>
> Copyright (c) 2015, Linaro Limited. All rights reserved.<BR>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> @@ -23,6 +23,38 @@
> #include <IndustryStandard/AcpiAml.h>
> #include "EthMac.h"
>
> +EFI_EVENT mUpdateAcpiDsdtTableEvent;
> +
> +VOID
> +EFIAPI
> +UpdateAcpiDsdt (
> + IN EFI_EVENT Event,
> + IN VOID *Context
> + )
> +{
> + EFI_ACPI_TABLE_PROTOCOL *AcpiTableProtocol;
> + EFI_STATUS Status;
> +
> + Status = gBS->LocateProtocol (
> + &gEfiAcpiTableProtocolGuid,
> + NULL,
> + (VOID**)&AcpiTableProtocol
> + );
> +
> + if (EFI_ERROR (Status)) {
> + DEBUG ((DEBUG_ERROR, " Unable to locate ACPI table protocol\n"));
> + return;
> + }
> +
> + Status = EthMacInit ();
> + if (EFI_ERROR (Status)) {
> + DEBUG ((DEBUG_ERROR, " UpdateAcpiDsdtTable Failed, Status = %r\n",
> Status));
> + }
> +
> + gBS->CloseEvent (Event);
> + return;
> +}
> +
> EFI_STATUS
> EFIAPI
> AcpiPlatformEntryPoint (
> @@ -30,5 +62,25 @@ AcpiPlatformEntryPoint (
> IN EFI_SYSTEM_TABLE *SystemTable
> )
> {
> - return EthMacInit();
> + EFI_STATUS Status;
> +
> + //
> + // Register notify function
> + //
> + Status = gBS->CreateEventEx (
> + EVT_NOTIFY_SIGNAL,
> + TPL_CALLBACK,
> + UpdateAcpiDsdt,
> + NULL,
> + &gEfiEventReadyToBootGuid,
> + &mUpdateAcpiDsdtTableEvent
> + );
> +
> + if (EFI_ERROR (Status)) {
> + DEBUG ((DEBUG_ERROR, "Create ReadyToBoot event for UpdateAcpiDsdt
> failed.\n"));
> + } else {
> + DEBUG ((DEBUG_INFO, "Create ReadyToBoot event for UpdateAcpiDsdt
> success.\n"));
> + }
> +
> + return Status;
> }
> diff --git a/Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
> b/Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
> index 53da731..866ff75 100644
> --- a/Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
> +++ b/Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatformDxe.inf
> @@ -1,7 +1,7 @@
> ## @file
> #
> # Copyright (c) 2014, Applied Micro Curcuit Corp. All rights reserved.<BR>
> -# Copyright (c) 2015, Hisilicon Limited. All rights reserved.<BR>
> +# Copyright (c) 2015 - 2020, Hisilicon Limited. All rights reserved.<BR>
> # Copyright (c) 2015, Linaro Limited. All rights reserved.<BR>
> # SPDX-License-Identifier: BSD-2-Clause-Patent
> #
> @@ -62,5 +62,5 @@
> gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultCreatorRevision
>
> [Depex]
> - gEfiAcpiTableProtocolGuid AND gEfiAcpiSdtProtocolGuid AND
> gHisiBoardNicProtocolGuid AND gHisiInstalledAcpiProtocolGuid
> + TRUE
>
> --
> 2.8.1
>
>
>
>
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