From mboxrd@z Thu Jan  1 00:00:00 1970
From: nicolas.pitre@linaro.org (Nicolas Pitre)
Date: Tue, 14 Jun 2011 13:28:49 -0400 (EDT)
Subject: [PATCH 0/3] patches to allow DTB to be appended to the ARM zImage
In-Reply-To: <20110614145329.GK23145@atomide.com>
References: <1307858800-16712-1-git-send-email-nicolas.pitre@linaro.org>
	<20110612081541.GA10283@n2100.arm.linux.org.uk>
	<20110612083414.GA29516@S2100-06.ap.freescale.net>
	<20110612092131.GC10283@n2100.arm.linux.org.uk>
	<20110612095217.GD10283@n2100.arm.linux.org.uk>
	<20110612104215.GC29516@S2100-06.ap.freescale.net>
	<20110612104048.GE10283@n2100.arm.linux.org.uk>
	<8yaaadlfi3q.fsf@huya.qualcomm.com>
	<alpine.LFD.2.00.1106131910570.2142@xanadu.home>
	<alpine.LFD.2.00.1106140300500.2142@xanadu.home>
	<20110614145329.GK23145@atomide.com>
Message-ID: <alpine.LFD.2.00.1106141322530.2142@xanadu.home>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Tue, 14 Jun 2011, Tony Lindgren wrote:

> * Nicolas Pitre <nicolas.pitre@linaro.org> [110614 00:04]:
> > +
> > +	for_each_tag(atag, atag_list) {
> > +		if (atag->hdr.tag == ATAG_CMDLINE) {
> > +			setprop_string(dt, "/chosen", "bootargs",
> > +			                  atag->u.cmdline.cmdline);
> > +		} else if (atag->hdr.tag == ATAG_MEM) {
> > +			uint32_t mem_reg_property[2];
> > +			mem_reg_property[0] = cpu_to_fdt32(atag->u.mem.start);
> > +			mem_reg_property[1] = cpu_to_fdt32(atag->u.mem.size);
> > +			setprop(dt, "/memory", "reg", mem_reg_property,
> > +			           sizeof(mem_reg_property));
> > +		} else if (atag->hdr.tag == ATAG_INITRD2) {
> > +			uint32_t initrd_start, initrd_size;
> > +			initrd_start = atag->u.initrd.start;
> > +			initrd_size = atag->u.initrd.size;
> > +			setprop_cell(dt, "/chosen", "linux,initrd-start",
> > +			                initrd_start);
> > +			setprop_cell(dt, "/chosen", "linux,initrd-end",
> > +			                initrd_start + initrd_size);
> > +		}
> > +	}
> 
> I think Russell posted a complete list of the ATAGs to translate
> somewhere, but at least ATAG_REVISION is missing here. That's being
> used quite a bit as system_rev to set things dynamically.

No problem.  This is a work in progress.  We still can test the concept 
and fine tune the actual set of ATAGs being translated.


Nicolas