linux-kernel - Re: HTC Dream aka. t-mobile g1 support

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Message-ID: <20090611145721.GB2982@ucw.cz>
Date:	Thu, 11 Jun 2009 16:57:21 +0200
From:	Pavel Machek <pavel@....cz>
To:	Brian Swetland <swetland@...gle.com>
Cc:	kernel list <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.arm.linux.org.uk>,
	san@...roid.com, rlove@...gle.com
Subject: Re: HTC Dream aka. t-mobile g1 support

On Thu 2009-06-11 04:53:10, Brian Swetland wrote:
> On Thu, Jun 11, 2009 at 4:48 AM, Pavel Machek<pavel@....cz> wrote:
> >>
> >> You'll need to fastboot boot arch/arm/boot/zImage ramdisk.img
> >
> > Aha, fastboot implies that ramdisk is optional.. apparently it is not.
> 
> Well, it *is* optional -- but the kernel as we build it needs an
> initrd to do much that's visible.  Could probably enable fb console
> and provide a commandline that points console there (-c "kernel
> commandline"  argument to fastboot).

Ok... but still no success. For some reason it seems to work better if
I use uImage (at least I get blank screen) than zImage (fastboot just
hangs).

> >> Extracting the ramdisk.img from the boot.img in the boot partition on
> >> an existing device is a pain.  If you happen to have a cupcake
> >> userspace built from source that ramdisk.img should be suitable.  If
> >> not, I'll try to dig up a suitable ramdisk image tomorrow -- it's just
> >> init, init.rc, and adb, but it is necessary to boot.
> >
> > I tried using ramdisk.img from sdk:
> >
> > root@amd:/data/l/android# ./fastboot boot
> > /data/l/linux-msm/arch/arm/boot/uImage
> > /data/l/android/sdk/platforms/android-1.5/images/ramdisk.img
> >
> > ...no luck :-(.
> 
> Is a uImage compatible with zImage (if the bootloader copies it to
> 0x10008000 and jumps there will it start?)

No idea :-(. (And thanks for ramdisk.img; it is different from what I
have, but results seem same).

> > Better Kconfig description would certainly be nice. Renaming
> > board-trout* to board-dream* would be also nice (and should be doable
> > without any intrusive changes...?)
> 
> Ah, I see.  Yes, renaming the files would be easy to do and that's
> totally reasonable.  I thought you wanted the machine type name
> changed.

Good.
									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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