[edk2-devel] [PATCH 1/1] MdePkg: Add new 16550-compatible Serial Port Subtypes to DBG2

Samer El-Haj-Mahmoud samer.el-haj-mahmoud at arm.com
Mon May 24 10:57:56 UTC 2021


Reviewed-by: Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud at arm.com>


> -----Original Message-----
> From: devel at edk2.groups.io <devel at edk2.groups.io> On Behalf Of Marcin
> Wojtas via groups.io
> Sent: Sunday, May 23, 2021 5:15 AM
> To: devel at edk2.groups.io
> Cc: liming.gao at intel.com; michael.d.kinney at intel.com; leif at nuviainc.com;
> ardb+tianocore at kernel.org; Samer El-Haj-Mahmoud <Samer.El-Haj-
> Mahmoud at arm.com>; Sunny Wang <Sunny.Wang at arm.com>;
> gjb at semihalf.com; upstream at semihalf.com; Marcin Wojtas
> <mw at semihalf.com>
> Subject: [edk2-devel] [PATCH 1/1] MdePkg: Add new 16550-compatible
> Serial Port Subtypes to DBG2
>
> The Microsoft Debug Port Table 2 (DBG2) specification revision
> May 31, 2017 adds support for 16550-compatible Serial Port
> Subtype with parameters defined in Generic Address Structure (GAS) [1]
>
> Reflect that in the EDK2 headers.
>
> [1] https://docs.microsoft.com/en-us/windows-
> hardware/drivers/bringup/acpi-debug-port-table
>
> Signed-off-by: Marcin Wojtas <mw at semihalf.com>
> ---
>  MdePkg/Include/IndustryStandard/DebugPort2Table.h                   | 1 +
>  MdePkg/Include/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..9ccfc1b1ee 100644
> --- a/MdePkg/Include/IndustryStandard/DebugPort2Table.h
> +++ b/MdePkg/Include/IndustryStandard/DebugPort2Table.h
> @@ -47,6 +47,7 @@ typedef struct {
>  #define
> EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_ARM_SBSA_GENERIC_UART
> 0x000e
>
>  #define   EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_DCC
> 0x000f
>
>  #define   EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_BCM2835_UART
> 0x0010
>
> +#define   EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_16550_WITH_GAS
> 0x0012
>
>  #define EFI_ACPI_DBG2_PORT_TYPE_1394                                                   0x8001
>
>  #define   EFI_ACPI_DBG2_PORT_SUBTYPE_1394_STANDARD
> 0x0000
>
>  #define EFI_ACPI_DBG2_PORT_TYPE_USB                                                    0x8002
>
> diff --git
> a/MdePkg/Include/IndustryStandard/SerialPortConsoleRedirectionTable.h
> b/MdePkg/Include/IndustryStandard/SerialPortConsoleRedirectionTable.h
> index 2066c7895e..7796796afe 100644
> ---
> a/MdePkg/Include/IndustryStandard/SerialPortConsoleRedirectionTable.h
> +++
> b/MdePkg/Include/IndustryStandard/SerialPortConsoleRedirectionTable.h
> @@ -100,6 +100,11 @@ typedef struct {
>  ///
>
>  #define
> EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_
> BCM2835_UART              0x10
>
>
>
> +///
>
> +/// 16550-compatible with parameters defined in Generic Address Structure
>
> +///
>
> +#define
> EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_
> 16550_WITH_GAS            0x12
>
> +
>
>  //
>
>  // Interrupt Type
>
>  //
>
> --
> 2.29.0
>
>
>
> -=-=-=-=-=-=
> Groups.io Links: You receive all messages sent to this group.
> View/Reply Online (#75464): https://edk2.groups.io/g/devel/message/75464
> Mute This Topic: https://groups.io/mt/83024903/1945644
> Group Owner: devel+owner at edk2.groups.io
> Unsubscribe: https://edk2.groups.io/g/devel/unsub [samer.el-haj-
> mahmoud at arm.com]
> -=-=-=-=-=-=
>

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.


-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#75507): https://edk2.groups.io/g/devel/message/75507
Mute This Topic: https://groups.io/mt/83024903/1813853
Group Owner: devel+owner at edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [edk2-devel-archive at redhat.com]
-=-=-=-=-=-=-=-=-=-=-=-






More information about the edk2-devel-archive mailing list