[U-Boot] Proposed fastboot changes

Douglas Zobel douglas.zobel at climate.com
Tue Jan 15 23:03:58 UTC 2019


On Tue, Jan 15, 2019 at 4:12 AM Alex Kiernan <alex.kiernan at gmail.com> wrote:

> On Mon, Jan 14, 2019 at 8:49 PM Douglas Zobel <douglas.zobel at climate.com>
> wrote:
> >
> > I've made some changes to the fastboot handlers to meet my needs.  If
> there is interest, I can prepare patches and submit them upstream.  The
> changes are:
> >
> > BUGFIX:  Currently the 'fastboot format [partition]' command (run from
> PC) formats the partition smaller than expected.  Change
> getvar_partition_size() to return partition size in # of bytes instead of
> the current behavior of # of blocks.  The 'fastboot format [partition]'
> command expect u-boot to return the size in number of bytes in order to
> format the partition correctly.
> >
> > Make the a fastboot oem command handler with a dynamic lookup like the
> base fastboot command handler currently is.  This would allow easily adding
> new oem commands in the baseline software (such as below).  It would also
> allow for board files to extend the oem handler to handle OEM specific
> cases.  I would use a weakly defined default oem command handler (empty
> function) which a board file can optionally override to handle board
> specific commands.
> >
> > Currently the 'fastboot oem format' command (gpt write mmc #
> $partitions) is supported.  I'd like to add a 'fastboot oem verify' (gpt
> verify mmc # $partitions) to help the flashing PC detect when a board needs
> to be re-formatted.
> >
>
> I'd no need for it, but when I did all of the changes to add UDP
> support, my intention was that you'd implement oem command using
> linker lists, at that point you can plug in whatever you need.
>
>
I don't understand what you mean by linker lists.  Can you give an example?

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