[U-Boot] [PATCH 4/4] fastboot: Enable flashing by default on sunxi

[Andre Przywara]

Hi,

On 30/11/17 07:58, Maxime Ripard wrote:
> On Thu, Nov 30, 2017 at 12:23:28AM +0000, André Przywara wrote:
>> On 28/11/17 10:34, Maxime Ripard wrote:
>>> Now that more and more devices are built using eMMC, providing a way to
>>> easily flash the system without too much hassle seems like a right thing to
>>> do.
>>>
>>> Since fastboot is the most deployed tool to do that these days, we can just
>>> rely on it to provide a way to flash the various components in the system
>>> (SPL, U-Boot and the system itself) easily, especially since you can upload
>>> the U-Boot hosting the fastboot "server" through FEL.
>>>
>>> Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>
>>
>> Reviewed-by: Andre Przywara <andre.przywara at arm.com>
>>
>> The binary size for 32-bit targets is still reasonable with this
>> addition (thanks to Thumb2).
>>
>> But if I enable MUSB for the Pine64 it generates a 537KB u-boot.itb. And
>> the build process does not complain, I guess because I don't generate a
>> combined binary (glueing SPL in front). But this isn't really caused by
>> this patch, so just a heads up.
> 
> I guess we would need to have kind of the same check at compile time
> for ARM64 then. I'm not sure exactly how that would be doable
> though...

Me neither without digging deeply into the build system ;-)

By the way, can you point me to the part which triggers the generation
of u-boot-sunxi-with-spl.bin? This does not get generated for ARM64 at
the moment, though it should. And this is probably the place where the
check lives for ARM.

Cheers,
Andre.