linux-kernel - Re: [J-core] [PATCH v5 00/22] sh: LANDISK and R2Dplus convert to device tree

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Date:   Fri, 17 Nov 2017 20:54:47 +0100
From:   John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To:     Rich Felker <dalias@...c.org>
Cc:     Rob Landley <rob@...dley.net>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [J-core] [PATCH v5 00/22] sh: LANDISK and R2Dplus convert to
 device tree

On 11/17/2017 08:17 PM, Rich Felker wrote:
> There were significant problems that I don't think were ever
> addressed, including incompatible changes in how boot command line was
> handled and possibly ambiguity about what a physical address means
> (zero based vs based in the zone SH3/4 excludes from MMU mapping) in
> the contract for how the bootloader passes a DTB pointer in to the
> kernel, or something similar.

I see, thanks for the heads-up.

> This is a large part of why I want to get to the point where I can
> build and boot a kernel on the LANDISK -- not being able to test any
> of this is a blocker for moving everything to device tree.

I can actually help you with that. I know what to do to get the kernel
to boot on the LANDISK device. I've got everything working except
being unable to detect the IDE controller. The attached config builds
a kernel which boots with the attached output.

Furthermore, in order to install the kernel, you need to use the
cross-LILO version from [1] which allows to install the bootloader
on an x86 machine into the SuperH LANDISK image.

Instructions can be found in [2]. A base filesystem can be found in [3].

And I could also send you an USL-5P which is also a LANDISK device,
just in a different form-factor.

Adrian

> [1]http://iohack.osdn.jp/kogiidena/debian26/base/landisk-tools-20070612.tgz
> [2] https://www.with.de/fw/pub/Computing/PlextorPX-EH/LANDISKdebian.pdf
> [3] http://iohack.osdn.jp/kogiidena/debian26/base/

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@...ian.org
`. `'   Freie Universitaet Berlin - glaubitz@...sik.fu-berlin.de
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913

View attachment "dmesg-usl-5p-4.8.12.txt" of type "text/plain" (16617 bytes)

View attachment "config-usl-5p-4.8.12.txt" of type "text/plain" (61584 bytes)