[U-Boot] [PATCH V2 2/2] odroid: Add boot script (boot.scr) support

[Guillaume Gardet <guillaume.gardet@free.fr>]

Le 05/10/2015 11:13, Sjoerd Simons a ?crit :
> On Mon, 2015-10-05 at 11:07 +0200, Guillaume GARDET wrote:
>> Add boot script (boot.scr) support. If no boot script are
>> found, it boots as usual.
> Instead of extending the specialized boot script, it would belovely to
> see the odroid board switch to distro boot commands for a more
> standardized boot sequence.

This would be a better solution but also a much bigger work.
Morevover, the backward compatibility will be harder to verify.
So, for now, I will stick with this patch. But if you want to do it, please do it. :)

Guillaume


>
> For reference, if you need an example how to add that while staying
> backwards compatible see my patchset for am335x boards which did
> something like that:
>
> http://lists.denx.de/pipermail/u-boot/2015-August/225656.html
>
>> Signed-off-by: Guillaume GARDET <guillaume.gardet@free.fr>
>> Cc: Przemyslaw Marczak <p.marczak@samsung.com>
>> Cc: Minkyu Kang <mk7.kang@samsung.com>
>>
>> ---
>>   include/configs/odroid.h | 9 +++++++++
>>   1 file changed, 9 insertions(+)
>>
>> diff --git a/include/configs/odroid.h b/include/configs/odroid.h
>> index e45b00e..f79847b 100644
>> --- a/include/configs/odroid.h
>> +++ b/include/configs/odroid.h
>> @@ -108,6 +108,8 @@
>>    * 2.  ROOT:  -
>>   */
>>   #define CONFIG_EXTRA_ENV_SETTINGS \
>> +	"loadbootscript=load mmc ${mmcbootdev}:${mmcbootpart}
>> ${scriptaddr} " \
>> +		"boot.scr\0" \
>>   	"loadkernel=load mmc ${mmcbootdev}:${mmcbootpart}
>> ${kerneladdr} " \
>>   		"${kernelname}\0" \
>>   	"loadinitrd=load mmc ${mmcbootdev}:${mmcbootpart}
>> ${initrdaddr} " \
>> @@ -129,6 +131,9 @@
>>   	"kernel_args=" \
>>   		"setenv bootargs
>> root=/dev/mmcblk${mmcrootdev}p${mmcrootpart}" \
>>   		" rootwait ${console} ${opts}\0" \
>> +	"boot_script=" \
>> +		"run loadbootscript;" \
>> +		"source ${scriptaddr}\0" \
>>   	"boot_fit=" \
>>   		"setenv kerneladdr 0x42000000;" \
>>   		"setenv kernelname Image.itb;" \
>> @@ -152,6 +157,9 @@
>>   		"run kernel_args;" \
>>   		"bootz ${kerneladdr} ${initrd_addr} ${fdt_addr};\0"
>> \
>>   	"autoboot=" \
>> +		"if test -e mmc 0 boot.scr; then; " \
>> +			"run boot_script; " \
>> +		"fi; " \
>>   		"if test -e mmc 0 Image.itb; then; " \
>>   			"run boot_fit;" \
>>   		"elif test -e mmc 0 zImage; then; " \
>> @@ -171,6 +179,7 @@
>>   	"consoleoff=set console console=ram; save; reset\0" \
>>   	"initrdname=uInitrd\0" \
>>   	"initrdaddr=42000000\0" \
>> +	"scriptaddr=0x42000000\0" \
>>   	"fdtaddr=40800000\0"
>>   
>>   /* I2C */