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
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