From: zzs <zzs213@126.com>
To: barebox <barebox@lists.infradead.org>
Subject: wrong cfi flash device id
Date: Tue, 20 Nov 2012 11:54:12 +0800 [thread overview]
Message-ID: <20121120035412.GC8572@greatfirst.com> (raw)
My board is very similar to at91rm9200ek but using
a 8MB cfi flash AT49BV642D.
When barebox started, the flash info as blow:
# devinfo cfi_flash0
CFI conformant FLASH (16 x 16) Size: 8 MB in 135 Sectors
AMD Standard command set, Manufacturer ID: 0x1F, Device ID: 0xD6
Erase timeout: 8192 ms, write timeout: 256 us
Buffer write timeout: 64 us, buffer size: 4 bytes
Sector Start Addresses:
10000000 10010000 10020000 10030000 10040000
10050000 10060000 10070000 10080000 10090000
100A0000 100B0000 100C0000 100D0000 100E0000
Barebox said the device id is 0xD6, But it should be 0x1D6.
Because of this wrong ID, In function drivers/nor/cfi_flash_amd.c:flash_fixup_atmel()
the erase region were reversed.
So I can't erase the first few sectors
I think it should use read8 or read16 according the portwidth like
u-boot does.
Am I right?
--
Best Regards,
zzs
_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox
next reply other threads:[~2012-11-20 3:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-20 3:54 zzs [this message]
2012-11-20 8:07 ` Jean-Christophe PLAGNIOL-VILLARD
2012-11-20 8:29 ` 张忠山
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=20121120035412.GC8572@greatfirst.com \
--to=zzs213@126.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