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Results tagged with boot
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user 46418
These questions refer to the initial starting up of the Raspberry PI.
1
vote
Accepted
Why is ttyAMA0 initialization too long?
The delay is the time the just initialized UART transfers all the messages collected since the system start. The faster it is, the shorter the delay is (I was using the original 115200).
Depending on …
- 329
1
vote
1
answer
543
views
Why is ttyAMA0 initialization too long?
If I understand the dmesg output correctly, there is something happening for almost one second around the UART console initialization:
[ 1.090771] 20201000.serial: ttyAMA0 at MMIO 0x20201000 (irq …
- 329
14
votes
1
answer
17k
views
How to boot raspberry pi very quickly into Linux?
I would like my pi zero to boot quickly (under 1 second) using Linux. In that case we can pretend it is embedded controller and not standard full blown (but slow) computer. … some resources about altering the chain of bootloaders, but currently I'm unable to tweak it at this level
best results I could reach were provided by buildroot
Using following rules, I'm able to boot …
- 329