[PATCH 2/3] watchdog: bcm2835: Add poweroff code for the Raspberry Pi

Guenter Roeck linux at roeck-us.net
Fri Jun 12 05:23:21 PDT 2015


On 06/09/2015 03:21 AM, Noralf Trønnes wrote:
> This adds a new poweroff function to the watchdog driver for the
> Raspberry Pi. Currently poweroff/halt results in a reboot.
>
> The Raspberry Pi firmware uses the RSTS register to know which
> partiton to boot from. The partiton value is spread into bits
> 0, 2, 4, 6, 8, 10. Partiton 63 is a special partition used by
> the firmware to indicate halt.
>
> The firmware made this change in 19 Aug 2013 and was matched
> by the downstream commit:
> Changes for new NOOBS multi partition booting from gsh
>
> Signed-off-by: Noralf Trønnes <noralf at tronnes.org>

This poweroff handler stuff is getting really messy :-(.

Nothing we can do about that here, so

Acked-by: Guenter Roeck <linux at roeck-us.net>

Guenter




More information about the linux-arm-kernel mailing list