In commit [1] fastboot tool was changed w.r.t. new A/B specification [2],
and now we should report slot names in "a" format instead of "_a".
Latter is now considered legacy and we shouldn't rely on that anymore.
Due to this one can observe next error with recent fastboot tool:
$ fastboot flash boot boot.img
Sending 'boot__a' (11301 KB)
OKAY [ 0.451s]
Writing 'boot__a'
FAILED (remote: 'cannot find partition')
fastboot: error: Command failed
Let's use new slot format in order to fix double underscores "__" and to
be in sync with AOSP master.
[1] 8091947847
[2] https://source.android.com/devices/tech/ota/ab/ab_implement#partitions
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Our R-Car3 Android userspace relies on the output of 'fastboot
getvar platform' and U-Boot currently is not able to handle it:
host $> fastboot getvar platform
getvar:platform FAILED (remote: Variable not implemented)
finished. total time: 0.001s
We either have the option of adding 'fastboot.platform' variable
to the default/saved environment as a workaround or add proper
'fastboot getvar platform' support in U-Boot via this patch.
In the latter case, other platforms can benefit from it too.
Note that R-Car3 already exports 'platform' environment variable via
v2019.01 commit 00e4b57e9e ("ARM: rmobile: Set environment variable
containing CPU type").
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Since its inception in upstream fastboot android-n-preview-1 [1],
"has-slot" option has never taken the form of "has_slot". Amongst the
users of "getvar has-slot:" is the upstream bootloadertest.py [2].
Current U-Boot "has_slot" version must be a typo. Fix it.
[1] https://android.googlesource.com/platform/system/core/+/a797479bd51c
("Fix fastboot variable name")
[2] https://android.googlesource.com/platform/system/extras/+/72de393e118e3
("Bootloader verification for AndroidThings.")
Fixes: f73a7df984 ("net: fastboot: Merge AOSP UDP fastboot")
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Acked-by: Alex Kiernan <alex.kiernan@gmail.com>
