Linux on ARM based TI OMAP SoCs
 help / color / mirror / Atom feed
From: "Cousson, Benoit" <b-cousson@ti.com>
To: "Fillinger, Michael" <m-fillinger@ti.com>
Cc: "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
	"Balbi, Felipe" <balbi@ti.com>,
	"tony@atomide.com" <tony@atomide.com>
Subject: Re: 2420 sDMA address mapping typo
Date: Tue, 15 Mar 2011 21:32:23 +0100	[thread overview]
Message-ID: <4D7FCCD7.7050604@ti.com> (raw)
In-Reply-To: <E8606C3FD412994585953171ED63A9340217F287D9@dnce01.ent.ti.com>

Salut Michael,

On 3/15/2011 5:44 PM, Fillinger, Michael wrote:
> Hi,
>
> There is a small issue introduced in 2.6.38 on the address space of sDMA for OMAP2420, which seems to be a mix of OMAP2&  newer OMAP addresses :
>
> arch/arm/mach-omap2/omap_hwmod_2420_data.c
>
> static struct omap_hwmod_addr_space omap2420_dma_system_addrs[] = {
>          {
>                   .pa_start   = 0x48056000,
>                   .pa_end     = 0x4a0560ff,
>                   .flags      = ADDR_TYPE_RT
>          },
> };
>
> pa_end should be 0x480560ff unless I'm mistaken.

Good catch, but the size is almost 4k to store all the channels.

The quick and dirty patch is:
-                   .pa_end     = 0x4a0560ff,
+                   .pa_end     = 0x48056fff,

Thanks,
Benoit

  reply	other threads:[~2011-03-15 20:32 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-15 16:44 2420 sDMA address mapping typo Fillinger, Michael
2011-03-15 20:32 ` Cousson, Benoit [this message]
2011-03-15 21:21   ` Paul Walmsley
2011-03-15 21:26     ` Cousson, Benoit
2011-03-15 22:24       ` Paul Walmsley

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=4D7FCCD7.7050604@ti.com \
    --to=b-cousson@ti.com \
    --cc=balbi@ti.com \
    --cc=linux-omap@vger.kernel.org \
    --cc=m-fillinger@ti.com \
    --cc=tony@atomide.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