From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
To: Scott Wood <scottwood@freescale.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: Mon, 12 Feb 2007 15:10:15 -0600 [thread overview]
Message-ID: <1171314615.4003.27.camel@zod.rchland.ibm.com> (raw)
In-Reply-To: <45D09993.9050903@freescale.com>
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.
josh
next prev parent reply other threads:[~2007-02-12 21:09 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 [this message]
2007-02-13 4:30 ` David Gibson
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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