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RE: Booting top-of-tree bcm47xx as nfs-root with cfe only (no sibyl)

To: Mark E Mason <mason@broadcom.com>
Subject: RE: Booting top-of-tree bcm47xx as nfs-root with cfe only (no sibyl)
From: "Maciej W. Rozycki" <macro@linux-mips.org>
Date: Wed, 26 Nov 2008 23:52:06 +0000 (GMT)
Cc: LMO <linux-mips@linux-mips.org>, "mmason@upwardaccess.com" <mmason@upwardaccess.com>
In-reply-to: <BD3F7F1EFBA6D54DB056C4FFA45140080348EC8037@SJEXCHCCR01.corp.ad.broadcom.com>
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References: <BD3F7F1EFBA6D54DB056C4FFA45140080348EC801C@SJEXCHCCR01.corp.ad.broadcom.com> <alpine.LFD.1.10.0811262304510.23566@ftp.linux-mips.org> <BD3F7F1EFBA6D54DB056C4FFA45140080348EC8037@SJEXCHCCR01.corp.ad.broadcom.com>
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On Wed, 26 Nov 2008, Mark E Mason wrote:

> Do you mean something like this?
> 
> setenv LINUX_CMDLINE "root=/dev/nfs rw ip=dhcp 
> nfsroot=10.0.1.184:/home/mason/debian-root-el"    

 Yes, it should work.

> What about CONIFG_ROOT_NFS? Some of the HOWTOs on the net mention it, 
> and it's still in some (most) of the default config files except for the 
> bcm47xx (but I added it to mine manually as I couldn't find it in the 
> menuconfig). So it shouldn't matter... Except that I'm paraniod... Is 
> this a left over 2.4-ism?

 For your configuration you need at least these:

CONFIG_NET=y
CONFIG_INET=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
CONFIG_ROOT_NFS=y

In the absence of a platform maintainer the respective default config 
files are at the very best only updated so that `make oldconfig' does not 
ask questions.

  Maciej

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