[PATCH u-boot-marvell v3 00/39] kwboot higher baudrate

Pali Rohár pali at kernel.org
Thu Sep 30 20:14:19 CEST 2021


Hello!

Could you test or review this patch series?

It is a big improvement for kwboot as it allows to transfer u-boot over
uart into mvebu platforms much faster.

On Friday 24 September 2021 23:06:37 Marek Behún wrote:
> From: Marek Behún <marek.behun at nic.cz>
> 
> Hello Stefan and others,
> 
> here's v3 of series adding support for booting Marvell platforms via
> UART (those bootable with kwboot) at higher baudrates.
> 
> Tested on Turris Omnia up to 5.15 MBd, which is 44x faster than
> 115200 Bd.
> 
> The user can direct kwboot to use higher baudrate via the -B option.
> (BTW this option was there before but did not work with the -b option.)
> 
> Only the payload part of the KWB image is uploaded at this higher
> baudrate. The header part is still uploaded at 115200 Bd, since the code
> that changes baudrate is injected into header as a binary extension.
> (The payload part makes up majority of the binary, though. On Turris
>  Omnia the payload currently makes ~87%.)
> 
> The series also contains various other fixes, refactors and improvements
> of the code, upon which the main change is done.
> 
> Marek & Pali
> 
> Changes since v2:
> - fixed integer overflow in patch 15
> - fixed commit title in patch 32
> 
> Changes since v1:
> - fixed uploading of older kwb images, now all kwb images should be able
>   to upload at faster baudrate
> - fixed injecting code that changes baudrate back
> - various other fixes and refactors, the best way to compare with v1 is
>   to apply v1 and v2 separately and compare the resulting kwboot.c
> 
> Marek Behún (19):
>   tools: kwbimage: Fix printf format warning
>   tools: kwboot: Fix buffer overflow in kwboot_terminal()
>   tools: kwboot: Make the quit sequence buffer const
>   tools: kwboot: Refactor and fix writing buffer
>   tools: kwboot: Fix comparison of integers with different size
>   tools: kwboot: Use a function to check whether received byte is a
>     Xmodem reply
>   tools: kwboot: Print new line after SPL output
>   tools: kwboot: Allow greater timeout when executing header code
>   tools: kwboot: Prevent waiting indefinitely if no xmodem reply is
>     received
>   tools: kwbimage: Simplify iteration over version 1 optional headers
>   tools: kwbimage: Refactor image_version()
>   tools: kwbimage: Refactor kwbimage header size determination
>   tools: kwboot: Explicitly check against size of struct main_hdr_v1
>   tools: kwboot: Check whether baudrate was set to requested value
>   tools: kwboot: Cosmetic fix
>   tools: kwboot: Avoid code repetition in kwboot_img_patch()
>   tools: kwboot: Update file header
>   doc/kwboot.1: Update man page
>   MAINTAINERS: Add entry for kwbimage / kwboot tools
> 
> Pali Rohár (20):
>   tools: kwboot: Print version information header
>   tools: kwboot: Fix kwboot_xm_sendblock() function when
>     kwboot_tty_recv() fails
>   tools: kwboot: Fix return type of kwboot_xm_makeblock() function
>   tools: kwboot: Fix printing progress
>   tools: kwboot: Print newline on error when progress was not completed
>   tools: kwboot: Split sending image into header and data stages
>   tools: kwboot: Allow non-xmodem text output from BootROM only in a
>     specific case
>   tools: kwboot: Properly finish xmodem transfer
>   tools: kwboot: Always call kwboot_img_patch_hdr()
>   tools: kwboot: Don't patch image header if signed
>   tools: kwboot: Patch source address in image header
>   tools: kwboot: Patch destination address to DDR area for SPI image
>   tools: kwbimage: Update comments describing kwbimage v1 structures
>   tools: kwboot: Round up header size to 128 B when patching
>   tools: kwboot: Support higher baudrates when booting via UART
>   tools: kwboot: Allow any baudrate on Linux
>   tools: kwboot: Fix initializing tty device
>   tools: kwboot: Disable tty interbyte timeout
>   tools: kwboot: Disable non-blocking mode
>   tools: kwboot: Add Pali and Marek as authors
> 
>  MAINTAINERS           |   10 +
>  doc/kwboot.1          |   60 ++-
>  tools/kwbimage.c      |  130 ++---
>  tools/kwbimage.h      |   99 +++-
>  tools/kwboot.c        | 1197 +++++++++++++++++++++++++++++++++++------
>  tools/termios_linux.h |  189 +++++++
>  6 files changed, 1385 insertions(+), 300 deletions(-)
>  create mode 100644 tools/termios_linux.h
> 
> -- 
> 2.32.0
> 


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