From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Romain Goyet <r.goyet@gmail.com>
Cc: Tony Breeds <tonyb@au1.ibm.com>, linuxppc-dev@lists.ozlabs.org
Subject: Re: Info : Using a PowerMac G5 as a server
Date: Mon, 21 Feb 2011 08:36:43 +1100 [thread overview]
Message-ID: <1298237803.8833.23.camel@pasglop> (raw)
In-Reply-To: <1298232300.8833.20.camel@pasglop>
On Mon, 2011-02-21 at 07:05 +1100, Benjamin Herrenschmidt wrote:
> Yes, there is. We reverse engineered that a while back and somebody even
> wrote a little tool to control it, though I don't remember where that
> can be found... If necessary, we can try to dig again, the RE wasn't
> that hard.
a quick look seems to indicate that a bunch of the necessary command
definitions are present in smu.h already. Search for SMU_POWER_EVENTS
and below.
You probably need to send a SMU_CMD_POWER_EVENTS_COMMAND with
SET_POWERUP_EVENTS and SMU_PWR_WAKEUP_AC_INSERT as arguments.
You can find examples of how to send SMU commands there:
http://gate.crashing.org/~benh/smu_wink.c
Fell free to submit your resulting new utility to powerpc-utils :-)
Cheers,
Ben.
prev parent reply other threads:[~2011-02-20 21:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-20 11:59 Info : Using a PowerMac G5 as a server Romain Goyet
2011-02-20 20:05 ` Benjamin Herrenschmidt
2011-02-20 21:36 ` Benjamin Herrenschmidt [this message]
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