[U-Boot] [PATCH 2/2] tegra: enable LCD on PAZ00

Tom Warren twarren.nvidia at gmail.com
Tue Nov 27 01:07:55 CET 2012


TEGRA_DEVICE_SETTINGS patch is assigned to Marek and waiting on him to
pull 'em thru the USB tree.

Tom

On Mon, Nov 26, 2012 at 2:00 PM, Marc Dietrich <marvin24 at gmx.de> wrote:
> On Monday 26 November 2012 12:00:51 Stephen Warren wrote:
>> On 11/25/2012 02:26 PM, Marc Dietrich wrote:
>> > This adds LCD panel descriptions to the device tree of PAZ00 and
>> > enables LCD support in the configuration.
>> >
>> > diff --git a/include/configs/paz00.h b/include/configs/paz00.h
>> >
>> > +#define CONFIG_BOARD_LATE_INIT
>>
>> What's that for? I don't think any of the other Tegra boards have it.
>
> No, all board defining CONFIG_LCD have this (seaboard, avionics). You may ask
> Simon why it is required. Without it, backlight will not come up on PAZ00 at
> least.
>
>> >  /* SD/MMC */
>> >  #define CONFIG_MMC
>> >
>> > @@ -71,6 +72,20 @@
>> >
>> >  #define CONFIG_CMD_NET
>> >  #define CONFIG_CMD_DHCP
>> >
>> > +#undef TEGRA_DEVICE_SETTINGS
>> > +#define TEGRA_DEVICE_SETTINGS      \
>> > +   "stdin=serial\0"        \
>> > +   "stdout=serial,lcd\0"   \
>> > +   "stderr=serial,lcd\0"
>>
>> Why not extend tegra-common-post.h's automatic calculation of
>> TEGRA_DEVICE_SETTINGS to support the lcd case too? Allen Martin's recent
>> change "tegra: move TEGRA_DEVICE_SETTINGS to tegra-common-post.h" should
>> make it easy to do that.
>
> Yes, I have such a patch in my gitorious tree for some time now. Allen's patch
> is not in any u-boot-tegra branch yet. I can fix it up when it has landed.
>
> Marc
>


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