Re: BSP 5.5 and dtb changes

["Harunobu Kurokawa" <harunobu.kurokawa.dn@xxxxxxxxxxx>]

Hi Jan-simon
CC: R-Car user.

Sorry inconvenience due to big change about dtb file name.
Since latest u-boot can detect memory size automatically then latest kernel doesn't prepare each memory size variation device-tree file.
moreover, we stopped to use "-es1" name.

Regarding starter Kit and dtb relationship is described here.
https://elinux.org/R-Car/Boards/Yocto-Gen3/v5.5.0#Relationship_diagram_between_each_SK_board_and_DTB_file_in_Yocto_v5.5.0
Kingfisher case : 
https://elinux.org/R-Car/Boards/Kingfisher/Yocto-Gen3/v5.5.0#Relationship_diagram_between_each_SK_board_and_DTB_file_in_Yocto_v5.5.0

> # or should that be  r8a77861-ulcb ??
existing M3ulcb is ver1.0 then you(and CI) should use "r8a77960-ulcb*.dtb"

> # 61 is correct ??
We will optimize them to reduce.

> old: r8a7795-h3ulcb-4x2g.dtb
> new ???
> -->> Here we used to differ the dtb for the 4x2g variant with 8GB,
> this is no longer built - which one do I use now ?  <<--
If you/user update new u-boot, no need to prepare memory size variation.
Then, r8a77951-ulcb.dtb support both 4gb and 8gb starter Kit.


Best regards,
Kurokawa

> -----Original Message-----
> From: agl-dev-community@xxxxxxxxxxxxxxxxxxxxxxxxx <agl-dev-community@xxxxxxxxxxxxxxxxxxxxxxxxx> On Behalf Of Jan
> Simon Moeller via lists.automotivelinux.org
> Sent: Wednesday, October 13, 2021 7:30 PM
> To: agl-dev-community@xxxxxxxxxxxxxxxxxxxxxxxxx
> Cc: SDX [ IoT.bzh ] <stephane@xxxxxxx>
> Subject:  BSP 5.5 and dtb changes
> 
> Hi all, Hi Stephane!
> 
> Continuing our discussion on the devcall wrt devicetree files and RCar BSP 5.5 :
> 
> I did 4 builds so far and these are the results:
> 
> plain m3:
> folder build-m3-55/tmp/deploy/images/m3ulcb/
> -> r8a77960-ulcb--5.10.41+gitAUTOINC+626d4b252f-r1.0-m3ulcb-20211012153218.dtb
> -> r8a77960-ulcb.dtb
> -> r8a77960-ulcb-m3ulcb.dtb
> -> r8a77961-ulcb--5.10.41+gitAUTOINC+626d4b252f-r1.0-m3ulcb-20211012153218.dtb
> -> r8a77961-ulcb.dtb
> -> r8a77961-ulcb-m3ulcb.dtb
> 
> Thus the change:
> -{%- set dtb = dtb|default("r8a7796-m3ulcb.dtb") %}
> +{%- set dtb = dtb|default("r8a77960-ulcb.dtb") %}
> # or should that be  r8a77861-ulcb ??
> 
> 
> m3 with kf board:
> folder build-m3kf-55/tmp/deploy/images/m3ulcb/
> -> r8a77960-ulcb--5.10.41+gitAUTOINC+626d4b252f-r1.1-m3ulcb-20211012161015.dtb
> -> r8a77960-ulcb.dtb
> -> r8a77960-ulcb-kf--5.10.41+gitAUTOINC+626d4b252f-r1.1-m3ulcb-20211012161015.dtb
> -> r8a77960-ulcb-kf.dtb
> -> r8a77960-ulcb-kf-m3ulcb.dtb
> -> r8a77960-ulcb-m3ulcb.dtb
> -> r8a77961-ulcb--5.10.41+gitAUTOINC+626d4b252f-r1.1-m3ulcb-20211012161015.dtb
> -> r8a77961-ulcb.dtb
> -> r8a77961-ulcb-kf--5.10.41+gitAUTOINC+626d4b252f-r1.1-m3ulcb-20211012161015.dtb
> -> r8a77961-ulcb-kf.dtb
> -> r8a77961-ulcb-kf-m3ulcb.dtb
> -> r8a77961-ulcb-m3ulcb.dtb
> 
> -{%- set dtb = dtb|default("r8a7796-m3ulcb-kf.dtb") %}
> +{%- set dtb = dtb|default("r8a77961-ulcb-kf.dtb") %}
> # 61 is correct ??
> 
> 
> plain h3:
> folder build-h3-55/tmp/deploy/images/h3ulcb/
> -> r8a77951-ulcb--5.10.41+gitAUTOINC+626d4b252f-r1.0-h3ulcb-20211012141344.dtb
> -> r8a77951-ulcb.dtb
> -> r8a77951-ulcb-h3ulcb.dtb
> 
> -> r8a779m1-ulcb--5.10.41+gitAUTOINC+626d4b252f-r1.0-h3ulcb-20211012141344.dtb
> -> r8a779m1-ulcb.dtb
> -> r8a779m1-ulcb-h3ulcb.dtb
> 
> old: r8a7795-h3ulcb-4x2g.dtb
> new ???
> -->> Here we used to differ the dtb for the 4x2g variant with 8GB,
> this is no longer built - which one do I use now ?  <<--
> 
> h3 with KF:
> folder: tmp/deploy/images/h3ulcb/
> r8a77950-ulcb-kf--5.10.41+gitAUTOINC+626d4b252f-r1.1-h3ulcb-20211013101330.dtb
> r8a77950-ulcb-kf.dtb
> r8a77950-ulcb-kf-h3ulcb.dtb
> r8a77951-ulcb--5.10.41+gitAUTOINC+626d4b252f-r1.1-h3ulcb-20211013101330.dtb
> r8a77951-ulcb.dtb
> r8a77951-ulcb-h3ulcb.dtb
> r8a77951-ulcb-kf--5.10.41+gitAUTOINC+626d4b252f-r1.1-h3ulcb-20211013101330.dtb
> r8a77951-ulcb-kf.dtb
> r8a77951-ulcb-kf-h3ulcb.dtb
> r8a779m1-ulcb--5.10.41+gitAUTOINC+626d4b252f-r1.1-h3ulcb-20211013101330.dtb
> r8a779m1-ulcb.dtb
> r8a779m1-ulcb-h3ulcb.dtb
> r8a779m1-ulcb-kf--5.10.41+gitAUTOINC+626d4b252f-r1.1-h3ulcb-20211013101330.dtb
> r8a779m1-ulcb-kf.dtb
> r8a779m1-ulcb-kf-h3ulcb.dtb
> 
> old: r8a7795-h3ulcb-4x2g-kf.dtb
> new ??
> -->> Here we used to also differ the dtb for the 4x2g variant with
> 8GB, this is no longer built - which one do I use now ?  <<--
> 
> 
> 
> Best regards,
> Jan-Simon
> 
> ------
> Jan-Simon Möller
> AGL Release Manager
> The Linux Foundation
> 
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