Hi,
On 31-08-15 12:24, Siarhei Siamashka wrote:
On Sun, 30 Aug 2015 11:59:10 +0200
Hans de Goede <[email protected]> wrote:
Hi,
On 29-08-15 08:33, Siarhei Siamashka wrote:
This is a set of patches, which are intended to eventually support booting
Allwinner A80 over USB with the "fel spl" and "fel uboot" commands.
The memory map in Allwinner A80 differs from all the other known
Allwinner SoC variant. The SPL (or BOOT0) load location is now moved
to 0x10000 from 0x0, which means that we can't have this address
hardcoded in the 'fel' tool, but need to make it configurable.
Additionally, "fel: Report FEL stack pointers" improves diagnostic
messages by reporting the stack locations. Also "fel-to-spl-thunk.S:
Fix safety guard which checks for enabled cache" and "Makefile:
'fel' tool depends on fel-to-spl-thunk.h" provide fixes for a few
minor problems, discovered when working on this code.
The last patch "fel: add fel spl support for A80" has not been
fully tested on real A80 hardware yet (to boot at least the SD card
variant of BOOT0), so it should not be applied until somebody
confirms that it actually works.
Siarhei Siamashka (6):
fel: Report FEL stack pointers
fel: get rid of the FEL_EXEC_SCRATCH_AREA constant
fel-to-spl-thunk.S: Fix safety guard which checks for enabled cache
Makefile: 'fel' tool depends on fel-to-spl-thunk.h
fel: Make the SPL load address configurable instead of hardcoded 0x0
fel: add fel spl support for A80
The entire series looks good to me and is:
Acked-by: Hans de Goede <[email protected]>
Thanks.
Do you mean everything except for the last patch? I think that it should
not be pushed until somebody confirms that everything works fine on A80.
Right now the 'fel' tool prints a warning about unsupported SoC
type
Only for the fel spl / fel uboot commands, right?
, so people can easily get a good idea about what's going on if
it fails to work. But if we push untested A80 support and something
is wrong with it, then this situation would become more confusing for
the end users, which is undesirable.
I hope that somebody can find time to do testing on Allwinner A80 and
report the results:
http://linux-sunxi.org/FEL/USBBoot#Testing
I've fel booted the a80 in the past using some prebuilt fel capable
boot0 binaries from allwinner. But I've always used write + exec for
this never the spl command.
Do you expect the spl command to work with a boot0 binary, rather
then an actual spl binary ? If so I can give this a test, may be
a while before I can make some time for this though.
Regards,
Hans
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