From: Bill Traynor <wmat@naoi.ca>
To: linux-sh@vger.kernel.org
Subject: Re: upgrading u-boot from linux for SH7785LCR board
Date: Mon, 05 Jul 2010 03:29:28 +0000 [thread overview]
Message-ID: <4C315198.6040708@naoi.ca> (raw)
In-Reply-To: <4C30CEC3.1050003@naoi.ca>
On 10-07-04 05:24 PM, Mike Frysinger wrote:
> On Sunday, July 04, 2010 14:11:15 Bill Traynor wrote:
>
>> I've compiled and tested u-boot from git for the 7785lcr board. I'd
>> like to write the u-boot.bin to flash but do not have a JTAG to be able
>> to recover if the write fails.
>>
>> Given the MTD layout:
>> dev: size erasesize name
>> mtd0: 00080000 00040000 "loader"
>> mtd1: 00080000 00040000 "bootenv"
>> mtd2: 00400000 00040000 "kernel"
>> mtd3: 03b00000 00040000 "data"
>>
>> Is it reasonable to do the following:
>>
>> flash_erase /dev/mtd[0]
>> dd if=/tmp/u-boot.bin of=/dev/mtd0 bs\x128k conv=sync
>>
> why dont you just use the mtdblock interface ? it will take care of all the
> weird flash issues like erasing/etc...
>
> all i do is:
> cat u-boot.bin> /dev/mtdblock0
>
Thanks, that worked perfectly.
> -mike
>
next prev parent reply other threads:[~2010-07-05 3:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-04 18:11 upgrading u-boot from linux for SH7785LCR board Bill Traynor
2010-07-04 21:24 ` Mike Frysinger
2010-07-04 23:01 ` Nobuhiro Iwamatsu
2010-07-05 3:29 ` Bill Traynor [this message]
2010-07-05 4:37 ` Mike Frysinger
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=4C315198.6040708@naoi.ca \
--to=wmat@naoi.ca \
--cc=linux-sh@vger.kernel.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 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.