Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

universal_payload.rst: Add ClockRate field to serial port info #61

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

universal_payload.rst: Add ClockRate field to serial port info #61

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 7 additions & 2 deletions source/2_universal_payload.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1145,6 +1145,7 @@ to payload.
UINT8 RegisterStride;
UINT32 BaudRate;
EFI_PHYSICAL_ADDRESS RegisterBase;
UINT32 ClockRate;
} UNIVERSAL_PAYLOAD_SERIAL_PORT_INFO;

#pragma pack()
Expand All @@ -1153,9 +1154,9 @@ to payload.

``Header``

Header.Revision is 1.
Header.Revision is 2.

Header.Length is 18.
Header.Length is 22.

``UseMmio``

Expand All @@ -1179,6 +1180,10 @@ Set to 0 to use the default baud rate 115200.

Base address of 16550 serial port registers in MMIO or I/O space.

``ClockRate``

The crystal or input frequency to the chip containing the UART.

PCI Root Bridges
%%%%%%%%%%%%%%%%%%%%

Expand Down