[PATCH v4 06/10] arm: dts: k3-j721e-r5: Add fs_loader node

Keerthy j-keerthy at ti.com
Mon Jan 27 18:32:28 CET 2020



On 27/01/20 7:44 pm, Tom Rini wrote:
> On Mon, Jan 27, 2020 at 10:07:31AM +0530, Keerthy wrote:
>>
>>
>> On 24/01/20 8:25 pm, Tom Rini wrote:
>>> On Wed, Jan 22, 2020 at 09:30:01AM +0530, Keerthy wrote:
>>>> Add fs_loader node which will be needed for loading firmwares
>>>> from the boot media/filesystem.
>>>>
>>>> Signed-off-by: Keerthy <j-keerthy at ti.com>
>>>> Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
>>>> ---
>>>>    arch/arm/dts/k3-j721e-r5-common-proc-board.dts | 6 ++++++
>>>>    1 file changed, 6 insertions(+)
>>>>
>>>> diff --git a/arch/arm/dts/k3-j721e-r5-common-proc-board.dts b/arch/arm/dts/k3-j721e-r5-common-proc-board.dts
>>>> index 28a355d49c..caeee8defe 100644
>>>> --- a/arch/arm/dts/k3-j721e-r5-common-proc-board.dts
>>>> +++ b/arch/arm/dts/k3-j721e-r5-common-proc-board.dts
>>>> @@ -18,6 +18,12 @@
>>>>    	chosen {
>>>>    		stdout-path = "serial2:115200n8";
>>>>    		tick-timer = &timer1;
>>>> +		firmware-loader = &fs_loader0;
>>>> +	};
>>>> +
>>>> +	fs_loader0: fs_loader at 0 {
>>>> +		u-boot,dm-pre-reloc;
>>>> +		compatible = "u-boot,fs-loader";
>>>>    	};
>>>>    	a72_0: a72 at 0 {
>>>
>>> All u-boot, properties need to be in a -u-boot.dtsi file so it's very
>>> clear what things we are adding and what files can be replaced directly
>>> from Linux.  Please fixup anything else in this area that wasn't already
>>> doing this and then add what you need here, thanks!
>>
>> Tom,
>>
>> I believe we are safe here as the k3-j721e-r5-common-proc-board.dts entire
>> file is u-boot specific. k3-j721e-r5-common-proc-board.dts is not present in
>> Linux DT.
> 
> Perhaps something is out of sync as we have both
> k3-j721e-common-proc-board.dts and
> k3-j721e-common-proc-board-u-boot.dtsi which leads me to believe that
> the former just hasn't made its way upstream yet.  Thanks!

Tom,

k3-j721e-common-proc-board.dts is for A72 which is linux & that has 
corresponding k3-j721e-common-proc-board-u-boot.dtsi.

Where as k3-j721e-r5-common-proc-board.dts is only for R5 SPL that is 
only for u-boot repo. Am i clear now.

Regards,
Keerthy

> 


More information about the U-Boot mailing list