From: Timur Tabi <timur@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] u-boot 1.1.2 boot latest powerpc based kernel?
Date: Mon, 17 May 2010 09:06:49 -0500 [thread overview]
Message-ID: <4BF14D79.4020207@freescale.com> (raw)
In-Reply-To: <AANLkTik4dbCkniKRuJ4JtMpHpQiLDgbXtw5Ihby0XFOx@mail.gmail.com>
Shawn Jin wrote:
> However my concern is specific to the powerpc arch. If I understand
> correctly, the powerpc arch expects a bootloader provide a DTS file.
> I'm not sure how the current U-Boot transfers such info to the
> kernerl.
One of the registers (r7 maybe?) contains the address of the device tree.
> People here can shed some light on this? I'm certain the old
> U-Boot (e.g. 1.1.2) doesn't have this kind of capability.
That's why cuImage was invented. cuImage embeds the device tree in the
kernel image. The drawback is that you can't rely on U-Boot to do any fixups.
> The bd_info
> is still one of data transferred to the kernel, right? How does
> bd_info work with the DTS info?
That, I don't know.
--
Timur Tabi
Linux kernel developer at Freescale
next prev parent reply other threads:[~2010-05-17 14:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-13 6:43 [U-Boot] u-boot 1.1.2 boot latest powerpc based kernel? Shawn Jin
2010-05-13 14:47 ` Timur Tabi
2010-05-17 6:14 ` Shawn Jin
2010-05-17 6:41 ` Wolfgang Denk
2010-05-17 17:52 ` Shawn Jin
2010-05-17 14:06 ` Timur Tabi [this message]
2010-05-17 20:35 ` Scott Wood
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4BF14D79.4020207@freescale.com \
--to=timur@freescale.com \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox