mail archive of the barebox mailing list
 help / color / mirror / Atom feed
From: Oleksij Rempel <o.rempel@pengutronix.de>
To: Antony Pavlov <antonynpavlov@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] MIPS: init cache before flashing it
Date: Wed, 16 Oct 2019 06:34:26 +0200	[thread overview]
Message-ID: <20191016043426.peutxkqx2s62ds5r@pengutronix.de> (raw)
In-Reply-To: <20191015234106.9cfb8923875a4354d94b31ea@gmail.com>


[-- Attachment #1.1: Type: text/plain, Size: 2094 bytes --]

On Tue, Oct 15, 2019 at 11:41:06PM +0300, Antony Pavlov wrote:
> On Tue, 15 Oct 2019 18:09:45 +0200
> Oleksij Rempel <o.rempel@pengutronix.de> wrote:
> 
> Hi!
> 
> Please review this thread http://lists.infradead.org/pipermail/barebox/2019-June/038530.html
> AFAIR we have to clear BSS before calling r4k_cache_init().

Hm... your patch need some rework as well. I'll send updated version.

> -- 
> Best regards,
>   Antony Pavlov
> 
> > Cache information was not initialized on flush_cache_all(). This was the
> > reason for relatively slow boot speed on MIPS.
> > 
> > Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> > ---
> >  arch/mips/lib/reloc.c | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/arch/mips/lib/reloc.c b/arch/mips/lib/reloc.c
> > index 9a9e404f7e..3d05ff1381 100644
> > --- a/arch/mips/lib/reloc.c
> > +++ b/arch/mips/lib/reloc.c
> > @@ -40,6 +40,7 @@
> >  #include <linux/sizes.h>
> >  #include <asm-generic/memory_layout.h>
> >  
> > +void r4k_cache_init(void);
> >  void main_entry(void *fdt, u32 fdt_size);
> >  void relocate_code(void *fdt, u32 fdt_size, u32 relocaddr);
> >  
> > @@ -146,6 +147,7 @@ void relocate_code(void *fdt, u32 fdt_size, u32 ram_size)
> >  		apply_reloc(type, (void *)addr, off);
> >  	}
> >  
> > +	r4k_cache_init();
> >  	/* Ensure the icache is coherent */
> >  	flush_cache_all();
> >  
> > -- 
> > 2.23.0
> > 
> > 
> > _______________________________________________
> > barebox mailing list
> > barebox@lists.infradead.org
> > http://lists.infradead.org/mailman/listinfo/barebox
> 
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
> 

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

[-- Attachment #2: Type: text/plain, Size: 149 bytes --]

_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox

      parent reply	other threads:[~2019-10-16  4:34 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-15 16:09 Oleksij Rempel
2019-10-15 20:41 ` Antony Pavlov
2019-10-16  4:28   ` Oleksij Rempel
2019-10-16  4:34   ` Oleksij Rempel [this message]

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=20191016043426.peutxkqx2s62ds5r@pengutronix.de \
    --to=o.rempel@pengutronix.de \
    --cc=antonynpavlov@gmail.com \
    --cc=barebox@lists.infradead.org \
    /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