u-boot: charging patch

Andy Green andy at openmoko.com
Sun Jan 11 13:15:44 CET 2009

Hash: SHA1

Somebody in the thread at some point said:
| Andy Green <andy at openmoko.com> writes:
|> I can see the logic, but why in U-Boot?  Are people really sitting in
|> U-Boot and need more commands for stuff like charging?
| When the battery is very empty it would be nice to be able to sit in
| uboot and charge the battery for a while before attempting to boot
| linux. For this purpose it would be useful to be able to 1) force
| 500mA charging 2) see current consumption 3) see current capacity.

We're getting close to being able to boot the kernel in 100mA limit, get
USB enumeration there and have 500mA.  This is the technique planned for
GTA03 as well.  I'd rather that we did that and had the great new
pcf50633 driver and other arrangements in Linux looking after power and
charging than try to reproduce everything in U-Boot.

- -Andy

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