From: David Gibson <dwg@au1.ibm.com>
To: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Cc: linuxppc-dev@ozlabs.org, paulus@samba.org
Subject: Re: [PATCH 18/19] bootwrapper: Add xlate_reg(), and use it to find serial registers.
Date: Tue, 13 Feb 2007 15:30:44 +1100 [thread overview]
Message-ID: <20070213043044.GD5345@localhost.localdomain> (raw)
In-Reply-To: <1171314615.4003.27.camel@zod.rchland.ibm.com>
On Mon, Feb 12, 2007 at 03:10:15PM -0600, Josh Boyer wrote:
> On Mon, 2007-02-12 at 10:45 -0600, Scott Wood wrote:
> > Mark A. Greer wrote:
> > > On Wed, Feb 07, 2007 at 05:01:45PM -0600, Scott Wood wrote:
> > >
> > >>xlate_reg() uses the ranges properties of a node's parentage to find the
> > >>absolute physical address of the node's registers.
> > >>
> > >>The ns16550 driver uses this when no virtual-reg property is found.
> > >
> > >
> > > Is this necessary? Shouldn't there always be a virtual-reg?
> >
> > None of the dts files in the kernel tree currently have such a property...
>
> 4xx will use this. The bootwrapper will use the UART mapping setup by
> the firmware to print out to the console. At least that is why it was
> added to being with, and how I had it working on Ebony a while ago.
> David may have changed it since.
No, I'm using virtual-reg on Ebony. In fact I think I'm using your
code for it.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
next prev parent reply other threads:[~2007-02-13 4:55 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-07 23:00 [PATCH 00/19] cuboot bootwrapper patchset Scott Wood
2007-02-07 23:01 ` [PATCH 01/19] bootwrapper: Add stddef.h to ops.h Scott Wood
2007-02-07 23:01 ` [PATCH 02/19] bootwrapper: Set -msoft-float and assembler target options Scott Wood
2007-02-07 23:01 ` [PATCH 03/19] bootwrapper: Remove OF-isms Scott Wood
2007-02-07 23:01 ` [PATCH 04/19] bootwrapper: Add ft_root_node() Scott Wood
2007-02-07 23:01 ` [PATCH 05/19] bootwrapper: Rename ft_node_add() to ft_get_phandle() Scott Wood
2007-02-07 23:01 ` [PATCH 06/19] bootwrapper: Make ft_get_phandle() accept and return NULL Scott Wood
2007-02-07 23:01 ` [PATCH 07/19] bootwrapper: Preserve the pp pointer in ft_make_space() when calling ft_reorder() Scott Wood
2007-02-07 23:01 ` [PATCH 08/19] bootwrapper: Modify *pp, not *p, in ft_shuffle() Scott Wood
2007-02-07 23:01 ` [PATCH 09/19] bootwrapper: Rename p and pp to anchor and anchorptr Scott Wood
2007-02-07 23:01 ` [PATCH 10/19] bootwrapper: Use map_string() instead of lookup_string() in ft_prop() Scott Wood
2007-02-07 23:01 ` [PATCH 11/19] bootwrapper: Add ft_find_device_rel() Scott Wood
2007-02-08 1:11 ` David Gibson
2007-02-08 17:14 ` Scott Wood
2007-02-07 23:01 ` [PATCH 12/19] bootwrapper: Refactor ft_get_prop() into internal and external functions Scott Wood
2007-02-07 23:01 ` [PATCH 13/19] bootwrapper: Make ft_get_parent() return a phandle, and NULL if already top-level Scott Wood
2007-02-07 23:01 ` [PATCH 14/19] bootwrapper: Add ft_find_node_by_prop_value() Scott Wood
2007-02-07 23:01 ` [PATCH 15/19] bootwrapper: Add initrd information to the device tree in ft_finalize() Scott Wood
2007-02-09 23:02 ` Mark A. Greer
2007-02-10 0:37 ` David Gibson
2007-02-12 16:42 ` Scott Wood
2007-02-13 4:29 ` David Gibson
2007-02-13 16:07 ` Scott Wood
2007-02-14 4:43 ` David Gibson
2007-02-07 23:01 ` [PATCH 16/19] bootwrapper: Make ft_create_node() pay attention to the parent parameter Scott Wood
2007-02-07 23:01 ` [PATCH 17/19] bootwrapper: Add dt_ops methods Scott Wood
2007-02-09 23:05 ` Mark A. Greer
2007-02-07 23:01 ` [PATCH 18/19] bootwrapper: Add xlate_reg(), and use it to find serial registers Scott Wood
2007-02-09 23:07 ` Mark A. Greer
2007-02-12 16:45 ` Scott Wood
2007-02-12 21:10 ` Josh Boyer
2007-02-13 4:30 ` David Gibson [this message]
2007-02-13 16:00 ` Scott Wood
2007-02-07 23:01 ` [PATCH 19/19] bootwrapper: compatibility layer for old U-Boots (a.k.a. cuImage, cuboot) Scott Wood
2007-02-08 21:15 ` David Gibson
2007-02-09 17:11 ` Scott Wood
2007-02-10 1:02 ` David Gibson
2007-02-12 16:52 ` Scott Wood
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