[AMD Official Use Only - General]
Hi Liming,
I think as the ECR already approved as the errata by PIWG, can we just merged
the code to save sometime?
Thanks
Abner
> -----Original Message-----
> From: gaoliming <gaolim...@byosoft.com.cn>
> Sent: Wednesday, August 2, 2023 1:41 PM
> To: Chang, Abner <abner.ch...@amd.com>; devel@edk2.groups.io
> Cc: 'Michael D Kinney' <michael.d.kin...@intel.com>; 'Zhiguang Liu'
> <zhiguang....@intel.com>; Attar, AbdulLateef (Abdul Lateef)
> <abdullateef.at...@amd.com>
> Subject: 回复: [PATCH V2 1/6] MdePkg/Include: Update definitions of SPI related
> header files
>
> Caution: This message originated from an External Source. Use proper caution
> when opening attachments, clicking links, or responding.
>
>
> 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.ch...@amd.com <abner.ch...@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.kin...@intel.com>; Liming Gao
> > <gaolim...@byosoft.com.cn>; Zhiguang Liu <zhiguang....@intel.com>; Abdul
> > Lateef Attar <abdat...@amd.com>
> > 主题: [PATCH V2 1/6] MdePkg/Include: Update definitions of SPI related
> > header files
> >
> > From: Abner Chang <abner.ch...@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.ch...@amd.com>
> > Cc: Michael D Kinney <michael.d.kin...@intel.com>
> > Cc: Liming Gao <gaolim...@byosoft.com.cn>
> > Cc: Zhiguang Liu <zhiguang....@intel.com>
> > Cc: Abdul Lateef Attar <abdat...@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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