From: Aneesh V <aneesh@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] i.MX5/6 U-Boot: Cache enabling
Date: Sat, 04 Feb 2012 14:48:46 +0530 [thread overview]
Message-ID: <4F2CF7F6.8010902@ti.com> (raw)
In-Reply-To: <4F2CEEA0.9080109@googlemail.com>
Hi Dirk,
On Saturday 04 February 2012 02:08 PM, Dirk Behme wrote:
>
> Let's discuss how to enable the i.MX5/6 caches in U-Boot:
>
> On 03.02.2012 12:00, Stefano Babic wrote:
>> On 03/02/2012 11:18, Dirk Behme wrote:
> ...
>>>> As your concerns are surely related to speed up the boot process, IMHO
>>>> we can focus efforts to add cache support for MX5 / MX6.
>>>
>>> Ok, sounds good. Any idea what has to be done for this? Or what would be
>>> the steps for this?
>>
>> As armv7 architecture, the MX can profit of the work already done for
>> other SOCs. Functions for enabling / disabling / invalidate caches are
>> already provided, in arch/arm/lib and arch/arm/cpu/armv7/cache_v7.c. So
>> at least for MX5/MX6.
>>
>> But we should change MXC drivers to be cache-aware. At least the FEC
>> driver and MMC driver are known to not work when dcache is on.
>
> Marek, Troy, Fabio: What do you think is needed to make the i.MX5/6 FEC
> driver cache-aware?
>
> Jason, Stefano: And what do you think would be needed for the MMC driver?
Three is a generic README for ARM at doc/README.arm-caches
br,
Aneesh
next prev parent reply other threads:[~2012-02-04 9:18 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-03 7:25 [U-Boot] Skipping relocation RAM to RAM, esp. on i.MX6? Dirk Behme
2012-02-03 8:51 ` Stefano Babic
2012-02-03 10:18 ` Dirk Behme
2012-02-03 11:00 ` Stefano Babic
2012-02-03 11:19 ` Mike Frysinger
2012-02-04 8:38 ` [U-Boot] i.MX5/6 U-Boot: Cache enabling (was: Re: Skipping relocation RAM to RAM, esp. on i.MX6?) Dirk Behme
2012-02-04 9:18 ` Aneesh V [this message]
2012-02-04 10:18 ` Marek Vasut
2012-02-08 13:37 ` [U-Boot] i.MX5/6 U-Boot: Cache enabling Dirk Behme
2012-02-09 7:06 ` Marek Vasut
2012-02-04 9:15 ` [U-Boot] Skipping relocation RAM to RAM, esp. on i.MX6? Aneesh V
2012-02-04 11:00 ` Albert ARIBAUD
2012-02-04 11:14 ` Aneesh V
2012-02-04 11:37 ` Albert ARIBAUD
2012-02-06 14:34 ` Tom Rini
2012-02-06 21:21 ` Albert ARIBAUD
2012-02-06 22:27 ` Wolfgang Denk
2012-02-06 22:41 ` Graeme Russ
2012-02-07 7:19 ` Aneesh V
2012-02-07 23:26 ` Wolfgang Denk
2012-02-08 6:43 ` Aneesh V
2012-02-08 13:58 ` Wolfgang Denk
2012-02-08 14:48 ` Aneesh V
2012-02-08 16:23 ` Wolfgang Denk
2012-02-09 6:01 ` Aneesh V
2012-02-09 11:44 ` Wolfgang Denk
2012-02-09 13:43 ` Aneesh V
2012-02-05 6:19 ` Simon Glass
2012-02-06 14:19 ` Aneesh V
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=4F2CF7F6.8010902@ti.com \
--to=aneesh@ti.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.