From: Anthony Liguori <aliguori@us.ibm.com>
To: Paolo Bonzini <pbonzini@redhat.com>, guang li <liguangbz@gmail.com>
Cc: peter.maydell@linaro.org, stefanha@gmail.com,
"Andreas Färber" <afaerber@suse.de>,
"li guang" <lig.fnst@cn.fujitsu.com>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device
Date: Tue, 16 Apr 2013 15:45:21 -0500 [thread overview]
Message-ID: <87r4iai4ri.fsf@codemonkey.ws> (raw)
In-Reply-To: <51656EB5.6030807@redhat.com>
Paolo Bonzini <pbonzini@redhat.com> writes:
> Il 10/04/2013 15:41, guang li ha scritto:
>> Yes, you're right.
>> The motivation is I want to implement a device
>> called EC which is a notion from laptop for QEMU,
>> EC has some main functions, like keyboard, mouse,
>> low-speed device control(I2C), special ACPI space,
>> i8042 and ps2 mouse has been done, power control
>> was left, so I tried to add this.
>
> Do you have a datasheet? Have you looked at hw/acpi/?
http://www.coreboot.org/Embedded_controller
Has more than you probably ever wanted to know about ECs.
I don't see much reason to model an EC in QEMU. It's only visible to
firmware (at least on the PC) so there's little benefit to modeling.
Regards,
Anthony Liguori
>
> Paolo
next prev parent reply other threads:[~2013-04-16 20:46 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-05 4:28 [Qemu-devel] [PATCH][RFC v2 0/7] implement power chip liguang
2013-04-05 4:28 ` [Qemu-devel] [PATCH][RFC v2 1/7] hw/irq: move struct IRQState to irq.h liguang
2013-04-05 8:34 ` Peter Maydell
2013-04-05 8:39 ` li guang
2013-04-05 4:28 ` [Qemu-devel] [PATCH][RFC v2 2/7] hw/power: add main power chip implementation liguang
2013-04-05 8:35 ` Peter Maydell
2013-04-05 8:45 ` li guang
2013-04-05 9:23 ` Peter Maydell
2013-04-08 0:32 ` li guang
2013-04-08 9:21 ` Peter Maydell
2013-04-09 8:14 ` li guang
2013-04-09 8:29 ` Paolo Bonzini
2013-04-05 4:28 ` [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device liguang
2013-04-05 11:48 ` Paolo Bonzini
2013-04-08 0:18 ` li guang
2013-04-08 9:53 ` Paolo Bonzini
2013-04-09 7:34 ` li guang
2013-04-09 7:43 ` Paolo Bonzini
2013-04-09 8:26 ` li guang
2013-04-09 11:06 ` Paolo Bonzini
2013-04-10 0:09 ` li guang
2013-04-10 9:40 ` Paolo Bonzini
2013-04-10 12:09 ` Andreas Färber
2013-04-10 13:41 ` guang li
2013-04-10 13:52 ` Paolo Bonzini
2013-04-11 1:30 ` li guang
2013-04-16 20:45 ` Anthony Liguori [this message]
2013-04-17 0:07 ` li guang
2013-04-05 4:28 ` [Qemu-devel] [PATCH][RFC v2 4/7] sysemu: remove PowerReason in sysemu.h liguang
2013-04-05 4:28 ` [Qemu-devel] [PATCH][RFC v2 5/7] qdev: add power_signal_in for DeviceState liguang
2013-04-05 4:28 ` [Qemu-devel] [PATCH][RFC v2 6/7] ich9: refactor wakeup/reset function liguang
2013-04-05 4:28 ` [Qemu-devel] [PATCH][RFC v2 7/7] vl: run power_management liguang
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