From: Jonathan Larmour <jlarmour@redhat.com>
To: Gary Thomas <gthomas@cambridge.redhat.com>
Cc: Grant Edwards <grante@visi.com>,
ecos-discuss@sources.redhat.com,
Dave Airlie <airlied@parthus.com>
Subject: Re: [ECOS] PID ROM and eCos
Date: Wed, 24 Jan 2001 11:08:00 -0000 [thread overview]
Message-ID: <3A6F2820.59AFBFA6@redhat.com> (raw)
In-Reply-To: <XFMail.20010124090159.gthomas@cambridge.redhat.com>
Gary Thomas wrote:
>
> Look at the startup code for the Cirrus Logic EDB7xxx boards. They
> support this configuration where the image in ROM (FLASH or whatever)
> is linked at an address different from where they are stored. If
> this case is detected, the ROM code simply gets copied to RAM at
> startup time. Look in the file:
> hal/arm/edb7xxx/current/include/hal_platform_setup.h
Why was it done this way, and not with a more explicit ROMRAM startup type?
If you have a separate startup type it is more under user control.
Anyway, you can also refer to the way the mips vrc4373 or sh edk7708 do it,
which use an explicit ROMRAM startup.
Jifl
--
Red Hat, Rustat House, Clifton Road, Cambridge, UK. Tel: +44 (1223) 271062
Un cheval, pas du glue. Pas du cheval, beaucoup du glue. || Opinions==mine
next prev parent reply other threads:[~2001-01-24 11:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-24 7:12 Dave Airlie
2001-01-24 7:27 ` Andrew Lunn
2001-01-24 7:42 ` Grant Edwards
2001-01-24 8:02 ` Gary Thomas
2001-01-24 11:08 ` Jonathan Larmour [this message]
2001-01-24 11:15 ` Dave Airlie
2001-01-24 11:20 ` Gary Thomas
2001-01-24 11:39 ` Jonathan Larmour
2001-01-25 9:53 ` Dave Airlie
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=3A6F2820.59AFBFA6@redhat.com \
--to=jlarmour@redhat.com \
--cc=airlied@parthus.com \
--cc=ecos-discuss@sources.redhat.com \
--cc=grante@visi.com \
--cc=gthomas@cambridge.redhat.com \
/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;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).