[edk2-devel] 回复: [PATCH V2 1/6] MdePkg/Include: Update definitions of SPI related header files

["gaoliming via groups.io" <gaoliming=byosoft.com.cn@groups.io>]

Abner:
  PI 1.8 Errata has not been published. This change may be deferred until
new spec is public. 

Thanks
Liming
> -----邮件原件-----
> 发件人: abner.chang@amd.com <abner.chang@amd.com>
> 发送时间: 2023年8月1日 15:57
> 收件人: devel@edk2.groups.io
> 抄送: Michael D Kinney <michael.d.kinney@intel.com>; Liming Gao
> <gaoliming@byosoft.com.cn>; Zhiguang Liu <zhiguang.liu@intel.com>; Abdul
> Lateef Attar <abdattar@amd.com>
> 主题: [PATCH V2 1/6] MdePkg/Include: Update definitions of SPI related
> header files
> 
> From: Abner Chang <abner.chang@amd.com>
> 
> BZ#: 4471
> Update definitions according to PI spec v1.8 Errata as it
> is approved in PIWG (Ticket #2394).
> 
> Signed-off-by: Abner Chang <abner.chang@amd.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Liming Gao <gaoliming@byosoft.com.cn>
> Cc: Zhiguang Liu <zhiguang.liu@intel.com>
> Cc: Abdul Lateef Attar <abdattar@amd.com>
> ---
>  MdePkg/Include/Protocol/SpiConfiguration.h |  8 ++++++++
>  MdePkg/Include/Protocol/SpiHc.h            | 14 ++++++++++++++
>  MdePkg/Include/Protocol/SpiIo.h            | 10 ++++++++++
>  3 files changed, 32 insertions(+)
> 
> diff --git a/MdePkg/Include/Protocol/SpiConfiguration.h
> b/MdePkg/Include/Protocol/SpiConfiguration.h
> index 3f8fb9ff62c..cffdc8e232d 100644
> --- a/MdePkg/Include/Protocol/SpiConfiguration.h
> +++ b/MdePkg/Include/Protocol/SpiConfiguration.h
> @@ -2,6 +2,7 @@
>    This file defines the SPI Configuration Protocol.
> 
>    Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
> +  Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.
>    SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>    @par Revision Reference:
> @@ -168,6 +169,13 @@ typedef struct _EFI_SPI_BUS {
>    VOID    *ClockParameter;
>  } EFI_SPI_BUS;
> 
> +///
> +/// Definitions of SPI Part Attributes.
> +///
> +#define SPI_PART_SUPPORTS_2_BIT_DATA_BUS_WIDTH  BIT0
> +#define SPl_PART_SUPPORTS_4_B1T_DATA_BUS_WIDTH  BIT1
> +#define SPl_PART_SUPPORTS_8_B1T_DATA_BUS_WIDTH  BIT2
> +
>  ///
>  /// The EFI_SPI_PERIPHERAL data structure describes how a specific block
of
>  /// logic which is connected to the SPI bus. This data structure also
selects
> diff --git a/MdePkg/Include/Protocol/SpiHc.h
> b/MdePkg/Include/Protocol/SpiHc.h
> index 30128dd5c4d..645bfdefe9b 100644
> --- a/MdePkg/Include/Protocol/SpiHc.h
> +++ b/MdePkg/Include/Protocol/SpiHc.h
> @@ -2,6 +2,7 @@
>    This file defines the SPI Host Controller Protocol.
> 
>    Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
> +  Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.
>    SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>    @par Revision Reference:
> @@ -121,6 +122,19 @@ typedef EFI_STATUS
>    IN EFI_SPI_BUS_TRANSACTION    *BusTransaction
>    );
> 
> +///
> +/// Definitions of SPI Host Controller Attributes.
> +///
> +#define HC_SUPPORTS_WRITE_ONLY_OPERATIONS       BIT0
> +#define HC_SUPPORTS_READ_ONLY_OPERATIONS        BIT1
> +#define HC_SUPPORTS_WRITE_THEN_READ_OPERATIONS  BIT2
> +#define HC_TX_FRAME_IN_MOST_SIGNIFICANT_BITS    BIT3
> +#define HC_RX_FRAME_IN_MOST_SIGNIFICANT_BITS    BIT4
> +#define HC_SUPPORTS_2_BIT_DATA_BUS_WIDTH        BIT5
> +#define HC_SUPPORTS_4_BIT_DATA_BUS_WIDTH        BIT6
> +#define HC_SUPPORTS_8_BIT_DATA_BUS_WIDTH        BIT7
> +#define HC_TRANSFER_SIZE_INCLUDES_OPCODE        BIT8
> +#define HC_TRANSFER_SIZE_INCLUDES_ADDRESS       BIT9
>  ///
>  /// Support a SPI data transaction between the SPI controller and a SPI
chip.
>  ///
> diff --git a/MdePkg/Include/Protocol/SpiIo.h
> b/MdePkg/Include/Protocol/SpiIo.h
> index b4fc5e03b88..0ea881fd115 100644
> --- a/MdePkg/Include/Protocol/SpiIo.h
> +++ b/MdePkg/Include/Protocol/SpiIo.h
> @@ -2,6 +2,7 @@
>    This file defines the SPI I/O Protocol.
> 
>    Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
> +  Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.
>    SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>    @par Revision Reference:
> @@ -223,6 +224,15 @@ typedef struct _EFI_SPI_BUS_TRANSACTION {
>    UINT8                       *ReadBuffer;
>  } EFI_SPI_BUS_TRANSACTION;
> 
> +///
> +/// Definitions of SPI I/O Attributes.
> +///
> +#define SPI_IO_SUPPORTS_2_BIT_DATA_BUS_WIDTH   BIT0
> +#define SPI_IO_SUPPORTS_4_BIT_DATA_BUS_WIDTH   BIT1
> +#define SPI_IO_SUPPORTS_8_BIT_DATA_BUS_WIDTH   BIT2
> +#define SPI_IO_TRANSFER_SIZE_INCLUDES_OPCODE   BIT3
> +#define SPI_IO_TRANSFER_SIZE_INCLUDES_ADDRESS  BIT4
> +
>  ///
>  /// Support managed SPI data transactions between the SPI controller and
a
> SPI
>  /// chip.
> --
> 2.37.1.windows.1





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