[PATCH v4 18/20] mips: mtmips: add SPL support

Stefan Roese mail at roese.nl
Wed Feb 12 10:07:15 CET 2020

On 12.02.20 09:15, Weijie Gao wrote:
> On Wed, 2020-02-12 at 08:55 +0100, Stefan Roese wrote:
>> Hi Weijie,
>> On 12.02.20 08:49, Weijie Gao wrote:
>>> This patch adds SPL support for mtmips platform. The lowlevel architecture
>>> is split into SPL and the rest parts are built into a memory loadable
>>> u-boot image. Optional SPL_DM and OF_CONTROL are also supported.
>>> The increment of size is very small (< 10 KiB) if SPL_DM and OF_CONTROL are
>>> not enabled and the memory bootable u-boot (u-boot.img) is generated
>>> automatically so there is not need to add a separate config for it.
>>> A lzma compressed payload (u-boot-lzma.img) is also generated and it will
>>> be combined with u-boot-spl.bin to form the unified ROM bootable binary
>>> u-boot-mtmips.bin.
>>> A spl loader is added to support uncompress the payload.
>>> Reviewed-by: Stefan Roese <sr at denx.de>
>>> Signed-off-by: Weijie Gao <weijie.gao at mediatek.com>
>>> ---
>>> Changes since v3: rename output file to u-boot-mips.bin
>> Hmm, why did you change it this way? Did you read my comment about this
>> combined image name from yesterday? I would really prefer to use the
>> already repsent and know image name "u-boot-with-spl.bin", which is used
>> by many other platforms already as a combined image with SPL + U-Boot
>> proper.
>> Is there a reason why we should not use this generic image name instead
>> of this newly created one?
> I forgot there is already no padding between spl and u-boot payload, and
> u-boot-with-spl.bin is ok to replace u-boot-mtmips.bin.
> I didn't choose u-boot-with-spl.bin for the previous patches because spl
> needs padding, and Simon Glass suggested to use binman[1].
> Since padding is no longer needed, I will send the next patch series
> using u-boot-with-spl.bin.

If its just this change, then a follow-up patch should be enough to not
"spam" the list too much. If you need to send a v5, then sure, please
fold this change into this patch there.


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