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The idea of the stickypage was to have a 4K memory region persistent
over resets. This region was implemented as mmap of a temporary hostfile,
which was created on first barebox start and maintained over resets.
Usability was a bit lacking however:
- The temporary files weren't deleted
- state always showed warnings and errors on first boot. The banner
telling users to ignore this wasn't best user experience
- In the same vein, the power driver had logic to handle a fresh
(zeroed) stickypage and interpret that as POR boot
We can avoid all that, by just shipping a default stickypage and
referencing that from DT. Do that.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20210629063730.7001-1-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The message didn't explicitly say it is expected behavior to not find
barebox-state on startup. Reword the message to make this clearer.
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Link: https://lore.pengutronix.de/20210404111831.592821-2-ahmad@a3f.at
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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barebox on sandbox defaults to network boot, which fails either due to
missing TAP support (like not having CAP_NET_ADMIN) or because the files
couldn't be fetched.
Arguably, the most user-friendly thing is to drop to shell. Do so.
Users can still override nv.autoboot if they want to boot differently.
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.pengutronix.de/20210404111831.592821-1-ahmad@a3f.at
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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For testing barebox-state, it would be nice to have a state
pre-configured out-of-the-box. Add one to sandbox.dts.
Because the barebox message on an non-configured state can looks
quite scary, add an init script that tells the user that all
is well.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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this will allow each arch to handle the boards more simply and depending on
there need
the env var BOARD will refer to the current board dirent
for sandbox as we have only one board the board dirent is arch/sandbox/board
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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