<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="Generator" content="Microsoft Word 15 (filtered medium)"> <style></style> </head> <body lang="EN-US" link="blue" vlink="purple" style="word-wrap:break-word"> <div class="WordSection1"> The change looks good to me. Added some more info for Liming and others reference. <o:p></o:p> <o:p> </o:p> For DBG2, <a href="https://docs.microsoft.com/en-us/windows-hardware/drivers/bringup/acpi-debug-port-table"> https://docs.microsoft.com/en-us/windows-hardware/drivers/bringup/acpi-debug-port-table</a><o:p></o:p> Table 3. Debug port types and subtypes<o:p></o:p> 0x0005 Nvidia 16550<o:p></o:p> <div> <o:p> </o:p> For SPCR, <a href="https://docs.microsoft.com/en-us/windows-hardware/drivers/serports/serial-port-console-redirection-table">https://docs.microsoft.com/en-us/windows-hardware/drivers/serports/serial-port-console-redirection-table</a><o:p></o:p> Interface Type - See the Serial Port Subtypes in Table 3 of the <a href="https://docs.microsoft.com/en-us/windows-hardware/drivers/bringup/acpi-debug-port-table">DBG2 Specification</a><o:p></o:p> <o:p> </o:p> <h1 style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:19.5pt;margin-left:0in;line-height:22.5pt;background:white;vertical-align:baseline"> Both links are in LINKS TO ACPI-RELATED DOCUMENTS in <a href="https://uefi.org/acpi">https://uefi.org/acpi</a><o:p></o:p></h1> Reviewed-by: Sunny Wang <<a href="mailto:sunny.wang@arm.com">sunny.wang@arm.com</a>><o:p></o:p> </div> <o:p> </o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of gaoliming via groups.io Sent: Friday, May 21, 2021 1:20 PM To: devel@edk2.groups.io; ashishsingha@nvidia.com; Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud@arm.com>; michael.d.kinney@intel.com; zhiguang.liu@intel.com Subject: 回复: [edk2-devel] [PATCH 1/1] MdePkg: Update DBG2 and SPCR header with NVIDIA 16550 Subtype<o:p></o:p> </div> </div> <o:p> </o:p> Ashish:<o:p></o:p> Is NVIDIA 16550 Subtype defined in the public spec? If yes, can you share the link?<o:p></o:p> <o:p> </o:p> Thanks<o:p></o:p> Liming<o:p></o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> 发件人: <a href="mailto:devel@edk2.groups.io">devel@edk2.groups.io</a> <<a href="mailto:devel@edk2.groups.io">devel@edk2.groups.io</a>> 代表 Ashish Singhal 发送时间: 2021年5月21日 4:33 收件人: Samer El-Haj-Mahmoud <<a href="mailto:Samer.El-Haj-Mahmoud@arm.com">Samer.El-Haj-Mahmoud@arm.com</a>>; <a href="mailto:devel@edk2.groups.io">devel@edk2.groups.io</a>; <a href="mailto:michael.d.kinney@intel.com"> michael.d.kinney@intel.com</a>; <a href="mailto:gaoliming@byosoft.com.cn">gaoliming@byosoft.com.cn</a>; <a href="mailto:zhiguang.liu@intel.com">zhiguang.liu@intel.com</a> 主题: Re: [edk2-devel] [PATCH 1/1] MdePkg: Update DBG2 and SPCR header with NVIDIA 16550 Subtype<o:p></o:p> </div> </div> <o:p> </o:p> <div> Hello Michael/Gao/Zhiguang,<o:p></o:p> </div> <div> <o:p> </o:p> </div> <div> Any update on this?<o:p></o:p> </div> <div> <o:p> </o:p> </div> <div> Thanks<o:p></o:p> </div> <div> Ashish<o:p></o:p> </div> <div class="MsoNormal" align="center" style="text-align:center"> <hr size="1" width="98%" align="center"> </div> <div id="divRplyFwdMsg"> From: Samer El-Haj-Mahmoud <<a href="mailto:Samer.El-Haj-Mahmoud@arm.com">Samer.El-Haj-Mahmoud@arm.com</a>> Sent: Tuesday, May 18, 2021 3:14 PM To: <a href="mailto:devel@edk2.groups.io">devel@edk2.groups.io</a> <<a href="mailto:devel@edk2.groups.io">devel@edk2.groups.io</a>>; Ashish Singhal <<a href="mailto:ashishsingha@nvidia.com">ashishsingha@nvidia.com</a>>; <a href="mailto:michael.d.kinney@intel.com">michael.d.kinney@intel.com</a> <<a href="mailto:michael.d.kinney@intel.com">michael.d.kinney@intel.com</a>>; <a href="mailto:gaoliming@byosoft.com.cn">gaoliming@byosoft.com.cn</a> <<a href="mailto:gaoliming@byosoft.com.cn">gaoliming@byosoft.com.cn</a>>; <a href="mailto:zhiguang.liu@intel.com">zhiguang.liu@intel.com</a> <<a href="mailto:zhiguang.liu@intel.com">zhiguang.liu@intel.com</a>> Cc: Samer El-Haj-Mahmoud <<a href="mailto:Samer.El-Haj-Mahmoud@arm.com">Samer.El-Haj-Mahmoud@arm.com</a>> Subject: RE: [edk2-devel] [PATCH 1/1] MdePkg: Update DBG2 and SPCR header with NVIDIA 16550 Subtype <o:p></o:p> <div> <o:p></o:p> </div> </div> <div> <div> External email: Use caution opening links or attachments Reviewed-by: Samer El-Haj-Mahmoud <<a href="mailto:Samer.El-Haj-Mahmoud@arm.com">Samer.El-Haj-Mahmoud@arm.com</a>> > -----Original Message----- > From: <a href="mailto:devel@edk2.groups.io">devel@edk2.groups.io</a> <<a href="mailto:devel@edk2.groups.io">devel@edk2.groups.io</a>> On Behalf Of Ashish > Singhal via groups.io > Sent: Tuesday, May 18, 2021 2:38 PM > To: <a href="mailto:devel@edk2.groups.io">devel@edk2.groups.io</a>; <a href="mailto:michael.d.kinney@intel.com"> michael.d.kinney@intel.com</a>; > <a href="mailto:gaoliming@byosoft.com.cn">gaoliming@byosoft.com.cn</a>; <a href="mailto:zhiguang.liu@intel.com"> zhiguang.liu@intel.com</a> > Cc: Ashish Singhal <<a href="mailto:ashishsingha@nvidia.com">ashishsingha@nvidia.com</a>> > Subject: [edk2-devel] [PATCH 1/1] MdePkg: Update DBG2 and SPCR header with > NVIDIA 16550 Subtype > > Add macros for NVIDIA 16550 UART specific debug port subtype in both > DBG2 as well as SPCR header file. > > Signed-off-by: Ashish Singhal <<a href="mailto:ashishsingha@nvidia.com">ashishsingha@nvidia.com</a>> > > --- > MdePkg/Include/IndustryStandard/DebugPort2Table.h | 1 + > .../IndustryStandard/SerialPortConsoleRedirectionTable.h | 5 +++++ > 2 files changed, 6 insertions(+) > > diff --git a/MdePkg/Include/IndustryStandard/DebugPort2Table.h > b/MdePkg/Include/IndustryStandard/DebugPort2Table.h > index 3faa30b76a..6a6fd2590e 100644 > --- a/MdePkg/Include/IndustryStandard/DebugPort2Table.h > +++ b/MdePkg/Include/IndustryStandard/DebugPort2Table.h > @@ -43,6 +43,7 @@ typedef struct { > #define EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_FULL_16550 > 0x0000 > #define > EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_16550_SUBSET_COMPATIBLE_WITH_ > MS_DBGP_SPEC 0x0001 > #define EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_ARM_PL011_UART > 0x0003 > +#define EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_NVIDIA_16550_UART > 0x0005 > #define > EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_ARM_SBSA_GENERIC_UART_2X > 0x000d > #define EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_ARM_SBSA_GENERIC_UART > 0x000e > #define EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_DCC > 0x000f > diff --git > a/MdePkg/Include/IndustryStandard/SerialPortConsoleRedirectionTable.h > b/MdePkg/Include/IndustryStandard/SerialPortConsoleRedirectionTable.h > index 2066c7895e..ba19567f52 100644 > --- a/MdePkg/Include/IndustryStandard/SerialPortConsoleRedirectionTable.h > +++ b/MdePkg/Include/IndustryStandard/SerialPortConsoleRedirectionTable. > +++ h > @@ -80,6 +80,11 @@ typedef struct { > /// > #define > EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_AR > M_PL011_UART 0x03 > > +/// > +/// NVIDIA 16550 UART > +/// > +#define > EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_NV > IDIA_16550_UART 0x05 > + > /// > /// ARM SBSA Generic UART (2.x) supporting 32-bit only accesses [deprecated] > /// > -- > 2.17.1 > > > > > IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.<o:p></o:p> </div> </div> <div> </o:p> </div> </div> IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. 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