[U-Boot] [PATCH v2] arm: dra7xx: Update the EXTRA_ENV_SETTINGS

[Dan Murphy <dmurphy@ti.com>]

On 06/04/2013 04:35 PM, Tom Rini wrote:
> On Tue, Jun 04, 2013 at 10:26:06AM -0500, Dan Murphy wrote:
>> Update the EXTRA_ENV_SETTING for the dra7xx.
>> The console needs to be set to ttyO0 and the
>> findfdt needs to be updated to load the
>> dra7xx-evm.dtb file.
>>
>> Signed-off-by: Dan Murphy <dmurphy@ti.com>
>> ---
>> v2 - Updated with side bar maintainer comments.
>>  include/configs/omap5_common.h |   12 ++++++++++--
>>  1 files changed, 10 insertions(+), 2 deletions(-)
>>
>> diff --git a/include/configs/omap5_common.h b/include/configs/omap5_common.h
>> index deb5e9f..c5061dd 100644
>> --- a/include/configs/omap5_common.h
>> +++ b/include/configs/omap5_common.h
>> @@ -142,9 +142,15 @@
>>  #define PARTS_DEFAULT
>>  #endif
>>  
>> +#ifdef CONFIG_DRA7XX
>> +#define CONFIG_CONSOLE_DEV		"ttyO0"
>> +#else
>> +#define CONFIG_CONSOLE_DEV		"ttyO2"
>> +#endif
>> +
>>  #define CONFIG_EXTRA_ENV_SETTINGS \
>>  	"loadaddr=0x82000000\0" \
>> -	"console=ttyO2,115200n8\0" \
>> +	"console=" CONFIG_CONSOLE_DEV ",115200n8\0" \
> Sorry, when we chatted on IRC I was being a bit more literal than you
> did.  I want dra7xx_evm.h to have '#define CONSOLEDEV "ttyO0"' and
> omap5_uevm.h to have '#define CONSOLEDEV "ttyO2"' and omap5_common.h to
> have:
> "console=" CONSOLEDEV ",115200n8\0" \
OK I got it.  Change a comin.
>> @@ -174,7 +180,9 @@
>>  		"bootz ${loadaddr} - ${fdtaddr}\0" \
>>  	"findfdt="\
>>  		"if test $board_name = omap5_uevm; then " \
>> -			"setenv fdtfile omap5-uevm.dtb; fi;\0 " \
>> +			"setenv fdtfile omap5-uevm.dtb; fi; " \
>> +		"if test $board_name = dra7xx; then " \
>> +			"setenv fdtfile dra7-evm.dtb; fi;\0 " \
> This part is fine, thanks.  If you've got time, add something like:
> if test -z $fdtfile; then
>   echo "WARNING: Could not determine device tree to use"
> fi
>
> After testing I got the syntax right, thanks!
>

What does the -z do?  Could not find any info on that.

-- 
------------------
Dan Murphy