zynq: fix OF control of Zynq

Michal Simek u-boot 1 version May 14, 2014 New

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v1 Latest May 14, 20141 of 4 patches 0 repliesNew

1 of 4 patches is in this archive. The cover letter announces 4.

Patches in v1 No applies recorded yet

#	Subject and files	Size	Replies	Applied
2/4	zynq: load u-boot-dtb.img for SD boot	+0 -0	1 reply

Reviews trailers per patch

The patch has no Reviewed-by or Acked-by.

Patch	Michal Simek
Series	T-b
2/4

Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.

Read the v1 thread

Cover letter [U-Boot] [PATCH 0/4] zynq: fix OF control of Zynq

Hi Masahiro.

Quoted 18 lines · Masahiro Yamada

Zynq SoCs define CONFIG_OF_CONTROL and CONFIG_OF_SEPARATE, but it is not working.
One possible workaround was to edit include/configs/zynq-common.h to disable
CONFIG_OF_CONTROL
CONFIG_OF_SEPARATE
CONFIG_DISPLAY_BOARDINFO_LATE
CONFIG_FIT_SIGNATURE
CONFIG_RSA
I am not satisfied with this temporal workaround.
My motivation is to run U-boot mainline on Zynq boards with OF control.
To achieve this, SPL must load u-boot-dtb.bin.

Quoted 7 lines

1/4 adds support u-boot-dtb.img (= uImage header + u-boot-dtb.bin)
2/4 switches to load u-boot-dtb.img.
3/4 and 4/4 add missing some nodes to device tree.
This series was tested on my ZC706 board.

I have tested it on zc702 and it is working correctly.

Tested-by Michal Simek <[email protected]>

Regarding patches 3/4 and 4/4 maybe will be just easier to add full DTS because you will want to use OF configuration for ethernet, mmc, usb, etc. Taken it from mainline kernel make sense.

Thanks,
Michal

Signature · 14 lines

Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform


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Read the cover letter in its thread