From: Segher Boessenkool <segher@kernel.crashing.org>
To: Thomas Besemer <thomas.besemer@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: 440EP NOR Flash Mapping with DTS
Date: Sun, 16 Jul 2017 19:58:46 -0500 [thread overview]
Message-ID: <20170717005846.GD13471@gate.crashing.org> (raw)
In-Reply-To: <CAO7m3AkpuUdApRiiDw+Sv6fqyhVsfBOUA8cw1xChJLxT1r6_wA@mail.gmail.com>
On Sun, Jul 16, 2017 at 05:31:05PM -0700, Thomas Besemer wrote:
> I'm trying to map some NOR flash in via DTS on a Yosemite
> style 440EP board. I've tried a few different things, below
> showing my latest attempt. During Kernel boot, it does not
> appear to detect the device, as no messages are emitted.
>
> Flash is Spansion S29GL256P, base address 0xFE000000.
>
> EBC0: ebc {
> compatible = "ibm,ebc-440ep", "ibm,ebc-440gp", "ibm,ebc";
> dcr-reg = <0x012 0x002>;
> #address-cells = <2>;
> #size-cells = <1>;
> clock-frequency = <0>; /* Filled in by zImage */
> interrupts = <0x5 0x1>;
> interrupt-parent = <&UIC1>;
>
> nor_flash@FE0000000,0 {
@0,fe000000
> reg = <0xFE000000 0x02000000>;
reg = <0 0xfe000000 0x02000000>;
Cheers,
Segher
next prev parent reply other threads:[~2017-07-17 0:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-17 0:31 440EP NOR Flash Mapping with DTS Thomas Besemer
2017-07-17 0:58 ` Segher Boessenkool [this message]
2017-07-19 22:09 ` Thomas Besemer
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=20170717005846.GD13471@gate.crashing.org \
--to=segher@kernel.crashing.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=thomas.besemer@gmail.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 NNTP newsgroup(s).