All of lore.kernel.org
 help / color / mirror / Atom feed
From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] ARM: mx5: Enable L2 cache
Date: Wed, 02 Oct 2013 10:36:53 +0200	[thread overview]
Message-ID: <524BDB25.6080505@denx.de> (raw)
In-Reply-To: <1380557812-1460-1-git-send-email-fabio.estevam@freescale.com>

Hi Fabio,

On 30/09/2013 18:16, Fabio Estevam wrote:
> Enable L2 cache for improving the system performance.
> 
> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
> ---
>  arch/arm/cpu/armv7/mx5/lowlevel_init.S | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm/cpu/armv7/mx5/lowlevel_init.S b/arch/arm/cpu/armv7/mx5/lowlevel_init.S
> index fc7c767..e4cd85c 100644
> --- a/arch/arm/cpu/armv7/mx5/lowlevel_init.S
> +++ b/arch/arm/cpu/armv7/mx5/lowlevel_init.S
> @@ -45,6 +45,12 @@
>  #endif
>  
>  	mcr 15, 1, r0, c9, c0, 2
> +
> +	/* enable L2 cache */
> +	mrc 15, 0, r0, c1, c0, 1
> +	orr r0, r0, #2
> +	mcr 15, 0, r0, c1, c0, 1
> +
>  .endm /* init_l2cc */
>  
>  /* AIPS setup - Only setup MPROTx registers.
> 

This is a repost from a your previous patch on August, 19th, where you
report slow tftp transfer even with L2-cache enable. Was this issue
solved or it is completeley unrelated to the cache ?

Best regards,
Stefano

-- 
=====================================================================
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de
=====================================================================

  reply	other threads:[~2013-10-02  8:36 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-30 16:16 [U-Boot] [PATCH] ARM: mx5: Enable L2 cache Fabio Estevam
2013-10-02  8:36 ` Stefano Babic [this message]
2013-10-02 13:43   ` Fabio Estevam
2013-10-02 14:45     ` Stefano Babic
2013-10-31 16:07       ` Fabio Estevam
2013-10-31 16:18         ` Stefano Babic
2013-10-31 17:00 ` Stefano Babic

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=524BDB25.6080505@denx.de \
    --to=sbabic@denx.de \
    --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.