Regression on U-boot without batery [was: u-boot low-battery handling]
andy at openmoko.com
Tue Aug 26 07:15:49 CEST 2008
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Somebody in the thread at some point said:
| Mike Montour wrote:
|> Joerg Reisenweber wrote:
|>> Powered via (this particular) 100/500mA USB-Host, none of both
|>> U_Boot would boot without battery. Though it's happily working on
|>> linux without GSM just on USB-power, after boot with battery.
|> I have had some success (not all the time) running under Linux with
|> USB power and no battery, but I had to turn off the charger through
|> "echo 0 > /sys/.../chgmode" as well as turning off GSM.
|> I have also found that WiFi stops working when the battery is removed,
|> but it recovers when I re-insert the battery.
| It occurs to me... Is it possible that even with the battery in that we
| can get a brownout condition on resume?
It's a good thought, but the brownout thing happens really early on
startup before the CPU actually comes up. We definitely get that far.
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