[OpenWrt-Devel] [PATCH] ipq40xx: clean up netgear-dni image generation

[Christian Lamparter]

On Tuesday, December 18, 2018 2:27:20 AM CET David Bauer wrote:
> The NETGEAR EX61x0v2 does only validate the DNI header, neither it needs
> the kernel to be a specific size nor a fake filesystem header to be
> present.
> 
> This has been tested using the NETGEAR Web-UI and the pushbutton TFTP
> recovery.

I had no luck with a loaned EX6150v2 and this patch. I tried to sysupgrade
from the current -snapshot to a newly compiled image with the patch applied.
But sadly, the device didn't boot (power led stayed orange). I had to 
initiaite the tftp firmware recovery after waiting 15 minutes through the 
hold "Factory Reset" on boot until the light flashes green in order to get
it back.

Sadly, I can't really help with any bootlogs since I can't "void its warranty" :(.

> Signed-off-by: David Bauer <mail at david-bauer.net>
> ---
>  target/linux/ipq40xx/image/Makefile | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/target/linux/ipq40xx/image/Makefile b/target/linux/ipq40xx/image/Makefile
> index eaf9f68395..af953def41 100644
> --- a/target/linux/ipq40xx/image/Makefile
> +++ b/target/linux/ipq40xx/image/Makefile
> @@ -40,8 +40,8 @@ define Device/DniImage
>  	NETGEAR_BOARD_ID :=
>  	NETGEAR_HW_ID :=
>  	IMAGES := factory.img sysupgrade.bin
> -	IMAGE/factory.img := append-kernel | pad-offset 64k 64 | append-uImage-fakehdr filesystem | pad-to $$$$(KERNEL_SIZE) | append-rootfs | pad-rootfs | netgear-dni
> -	IMAGE/sysupgrade.bin := append-kernel | pad-offset 64k 64 | append-uImage-fakehdr filesystem | pad-to $$$$(KERNEL_SIZE) | append-rootfs | pad-rootfs | append-metadata
> +	IMAGE/factory.img := append-kernel | append-rootfs | pad-rootfs | netgear-dni
> +	IMAGE/sysupgrade.bin := append-kernel | append-rootfs | pad-rootfs | append-metadata
>  endef
>  DEVICE_VARS += NETGEAR_BOARD_ID NETGEAR_HW_ID
>  
> @@ -144,7 +144,6 @@ TARGET_DEVICES += meraki_mr33
>  
>  define Device/netgear_ex61x0v2
>  	$(call Device/DniImage)
> -	KERNEL_SIZE := 3080192
>  	DEVICE_DTS_CONFIG := config at 4
>  	NETGEAR_BOARD_ID := EX6150v2series
>  	NETGEAR_HW_ID := 29765285+16+0+128+2x2
> 





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