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Re: zboot for brcm

To: wuzhangjin@gmail.com
Subject: Re: zboot for brcm
From: Florian Fainelli <florian@openwrt.org>
Date: Sun, 12 Sep 2010 19:13:28 +0200
Cc: Waldemar Brodkorb <mail@waldemar-brodkorb.de>, Ralf Baechle <ralf@linux-mips.org>, "linux-mips" <linux-mips@linux-mips.org>
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Hi Wu,

Le Thursday 17 June 2010 15:31:19, Wu Zhangjin a écrit :
> Hi,
> 
> On Thu, 2010-06-17 at 14:38 +0200, Florian Fainelli wrote:
> > Hi,
> > 
> > On Thursday 17 June 2010 14:20:49 wu zhangjin wrote:
> > > Hi,
> > > 
> > > I just got a bcm1250a board, it also uses the CFE as the bootloader, I
> > > compiled a compressed vmlinuz-2.6.34 for it and boot with the
> > > following command, it works well:
> > > 
> > > CFE> setenv bootargs root=/dev/nfs rw
> > > nfsroot=$nfs_server_ip:/path/to/nfs_root_fs ip=dhcp
> > > CFE> ifconfig -auto eth0
> > > CFE> boot -elf $tftp_server_ip:/path/to/vmlinuz
> > > 
> > > With -elf, the boot command of CFE can parse the vmlinuz and boot it
> > > normally. I think you have used the wrong options of the boot command.
> > 
> > CFE on bcm12xx, on bcm47xx and bcm63xx are all three slightly different
> > flavors which may not behave exactly the same way wrt the load command.
> > 
> > Also, you are on a development board so there are no reasons to restrict
> > CFE commands, this is not the case with end-user products like WRT54G
> > and such.
> 
> Hmm, Maybe, I have no such products to test, anybody have such products,
> welcome to test it ;)

I just ran into the issue described by Waldemar on a BCM6348 board. You 
mentionned you were writing a patch, do you have one I could test on BCM63xx?
--
Florian

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