Re: [meta-arago] [PATCH] tisdk-uenv: Add instructions to load initramfs while booting linux

On 3/3/2026 8:59 AM, Ryan Eatmon via lists.yoctoproject.org wrote:
> 
> 
> On 3/3/2026 4:49 AM, Moteen Shah wrote:
>> Add instructions to load initramfs image and update the boot command
>> to use the image to boot the linux kernel.
>>
>> Signed-off-by: Moteen Shah <[email protected]>
>> ---
>>   .../recipes-tisdk/tisdk-uenv/tisdk-uenv/uEnv.txt  | 15 +++++++++++++++
>>   1 file changed, 15 insertions(+)
>>
>> diff --git a/meta-arago-distro/recipes-tisdk/tisdk-uenv/tisdk-uenv/ 
>> uEnv.txt b/meta-arago-distro/recipes-tisdk/tisdk-uenv/tisdk-uenv/uEnv.txt
>> index 0af0eef3..5ac61b34 100644
>> --- a/meta-arago-distro/recipes-tisdk/tisdk-uenv/tisdk-uenv/uEnv.txt
>> +++ b/meta-arago-distro/recipes-tisdk/tisdk-uenv/tisdk-uenv/uEnv.txt
>> @@ -7,3 +7,18 @@
>>   #       default on all newer U-Boot images.  This also means that some
>>   #       variables such as bootdelay cannot be changed by this file 
>> since
>>   #       it is not evaluated until the bootcmd is run.
>> +
>> +# Initramfs configuration
>> +# Name of the initramfs file in the boot partition
>> +name_initramfs=ti-core-initramfs.cpio.xz
>> +
>> +# Command to load initramfs from boot partition (mmc device:partition)
>> +# Adjust the device number (0 or 1) based on your setup
>> +# mmcdev is set to 1 by default, partition 1 is the boot partition
>> +get_initramfs_mmc=fatload mmc ${mmcdev}:1 ${rdaddr} ${name_initramfs}
>> +
>> +# Load initramfs and set up variables
>> +load_initramfs=if run get_initramfs_mmc; then setenv _initramfs 
>> ${rdaddr}:${filesize}; setenv rd_spec ${_initramfs}; echo Initramfs 
>> loaded at ${rdaddr}, size ${filesize}; else echo WARNING: Initramfs 
>> not found, continuing without initramfs; setenv rd_spec -; fi
>> +
>> +# Custom boot command that loads initramfs before kernel
>> +init_mmc=run args_all args_mmc load_initramfs
>> \ No newline at end of file
> 
> Does this work if there is no ti-core-initramsfs.cpio.xz in the boot 
> partition?  Or is this assuming that there will always be an initramfs? 
> Because that is a problem if it is required all the time in all cases 
> for all platforms.

Additionally, this is being done in meta-arago, but the 
ti-core-initramfs is staged in meta-ti so that it is available for all 
distros.

Is this something that should move to meta-ti?  Are these settings 
really a distro thing?  Or a BSP thing?


-- 
Ryan Eatmon                [email protected]
-----------------------------------------
Texas Instruments, Inc.  -  LCPD  -  MGTS