From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] Disable FLASH_AMLV256U support for TOP860 target
Date: Tue, 28 Oct 2014 10:33:48 +0100 [thread overview]
Message-ID: <20141028093348.43664382FEC@gemini.denx.de> (raw)
In-Reply-To: <CA+gZxsOYLBU18LimMmfP9B-gZaykN=hZtM1FVgpd8p-eEW19bQ@mail.gmail.com>
Dear Vasili,
In message <CA+gZxsOYLBU18LimMmfP9B-gZaykN=hZtM1FVgpd8p-eEW19bQ@mail.gmail.com> you wrote:
>
> > TOP860 configuration assumes at most 128 flash sectors. Thus, the
> > AMLV256U flash can't be supported. The existing code could result in
> > memory corruption when writing to the flash_info->start[] array.
> >
> > Signed-off-by: Vasili Galka <vvv444@gmail.com>
> > Cc: Wolfgang Denk <wd@denx.de>
> > ---
> > board/emk/common/flash.c | 4 +++-
> > 1 files changed, 3 insertions(+), 1 deletions(-)
> >
> > diff --git a/board/emk/common/flash.c b/board/emk/common/flash.c
> > index ae5777c..4119b3b 100644
> > --- a/board/emk/common/flash.c
> > +++ b/board/emk/common/flash.c
> > @@ -324,6 +324,7 @@ ulong flash_get_size (FPWV *addr, flash_info_t *info)
> > }
> > break;
> > }
> > +#ifndef CONFIG_TOP860
> > if ((FPW)addr[FLASH_ID3] == (FPW)AMD_ID_LV256U_2 &&
> > (FPW)addr[FLASH_ID4] == (FPW)AMD_ID_LV256U_3)
> > {
> > @@ -337,7 +338,8 @@ ulong flash_get_size (FPWV *addr, flash_info_t *info)
> > }
> > break;
> > }
> > -
> > +#endif
> > +
> > /* fall thru to here ! */
> > default:
> > printf ("unknown AMD device=%x %x %x",
> > --
> > 1.7.9
> >
> >
> Any review?
> This was inspired by a a compiler warning. I'm still getting this warning
> on the latest master.
Sorry, I missed that one.
Would it not be more appropriate to adjust the CONFIG_SYS_MAX_FLASH_SECT
setting in "include/configs/TOP860.h"? Or are you 100% sure that
there were never be any AMLV256U flash chips fit on a TOP860 board?
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
"I've finally learned what `upward compatible' means. It means we get
to keep all our old mistakes." - Dennie van Tassel
next prev parent reply other threads:[~2014-10-28 9:33 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-16 14:41 [U-Boot] [PATCH] Disable FLASH_AMLV256U support for TOP860 target Vasili Galka
2014-08-12 15:17 ` Vasili Galka
2014-10-28 9:33 ` Wolfgang Denk [this message]
[not found] ` <CA+gZxsPKtwYAhHm88fBtGW17cxT7ncEz9OBxwpqiJ55WR-kfcg@mail.gmail.com>
2014-10-28 9:48 ` Wolfgang Denk
2014-10-28 10:07 ` Reinhard Meyer
2014-10-28 10:23 ` Wolfgang Denk
2014-10-28 10:35 ` Reinhard Meyer
2014-10-28 10:40 ` Wolfgang Denk
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