From: Wolfgang Denk <wd@denx.de>
To: "Muaddi, Cecilia" <cecilia.muaddi@alloptic.com>
Cc: linuxppc-embedded@lists.linuxppc.org
Subject: Re: access memory mapped registers
Date: Fri, 10 Jan 2003 00:14:06 +0100 [thread overview]
Message-ID: <20030109231411.AE68EC608E@atlas.denx.de> (raw)
In-Reply-To: Your message of "Thu, 09 Jan 2003 14:00:13 PST." <885489B3B89FB6449F93E525DF78777F06453B@srvnt506.ALLOPTIC.COM>
In message <885489B3B89FB6449F93E525DF78777F06453B@srvnt506.ALLOPTIC.COM> you wrote:
>
> I will like to access some memory mapped registers through user space
> applications.
> Do i just use the "mmap" function calls to map the physical memory to my
> user space?
You don't. Design a proper device driver interface instead.
Best regards,
Wolfgang Denk
--
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd@denx.de
By the way, ALL software projects are done by iterative prototyping.
Some companies call their prototypes "releases", that's all.
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2003-01-09 23:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-09 22:00 access memory mapped registers Muaddi, Cecilia
2003-01-09 23:14 ` Wolfgang Denk [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-01-10 0:18 Kerl, John
[not found] <885489B3B89FB6449F93E525DF78777F06453E@srvnt506.ALLOPTIC.COM>
2003-01-10 0:25 ` Wolfgang Denk
2003-01-10 0:27 Muaddi, Cecilia
2003-01-10 1:12 ` Wolfgang Denk
[not found] <885489B3B89FB6449F93E525DF78777F064542@srvnt506.ALLOPTIC.COM>
2003-01-10 1:20 ` Wolfgang Denk
2003-01-13 15:14 ` Kenneth Johansson
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