[PATCH] mvebu: omnia: make initramfs image usable out of the box

[Klaus Kudielka]

On 30.01.21 14:04, Petr Štetiar wrote:
> Currently it's not possible to boot the device with just initramfs image
> without additional effort as the initramfs image doesn't contain device tree.
> Fix it by producing FIT based image which could be booted with following
> commands:
>
>   setenv bootargs earlyprintk console=ttyS0,115200
>   tftpboot ${kernel_addr_r} openwrt-mvebu-cortexa9-cznic_turris-omnia-initramfs-kernel.bin
>   bootm ${kernel_addr_r}
>
> Cc: Karel Kočí <karel.koci at nic.cz>
> Cc: Tomasz Maciej Nowak <tmn505 at gmail.com>
> Cc: Klaus Kudielka <klaus.kudielka at gmail.com>
> Signed-off-by: Petr Štetiar <ynezz at true.cz>

At first I was concerned that this image format change also propagates 
into the omnia-medkit.
(Which would likely have broken OpenWrt first-time installation on 
devices with U-Boot 2015.10-rc2).

With a test build I convinced myself that this is not the case.

Acked-by: Klaus Kudielka <klaus.kudielka at gmail.com>
> ---
>   target/linux/mvebu/image/cortexa9.mk | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/target/linux/mvebu/image/cortexa9.mk b/target/linux/mvebu/image/cortexa9.mk
> index ea20a25a2990..968e2a38f480 100644
> --- a/target/linux/mvebu/image/cortexa9.mk
> +++ b/target/linux/mvebu/image/cortexa9.mk
> @@ -32,8 +32,9 @@ define Device/cznic_turris-omnia
>     DEVICE_VENDOR := CZ.NIC
>     DEVICE_MODEL := Turris Omnia
>     KERNEL_INSTALL := 1
> +  SOC := armada-385
>     KERNEL := kernel-bin
> -  KERNEL_INITRAMFS := kernel-bin
> +  KERNEL_INITRAMFS := kernel-bin | gzip | fit gzip $$(KDIR)/image-$$(DEVICE_DTS).dtb
>     DEVICE_PACKAGES :=  \
>       mkf2fs e2fsprogs kmod-fs-vfat kmod-nls-cp437 kmod-nls-iso8859-1 \
>       wpad-basic-wolfssl kmod-ath9k kmod-ath10k-ct ath10k-firmware-qca988x-ct \
> @@ -42,7 +43,6 @@ define Device/cznic_turris-omnia
>     IMAGE/$$(IMAGE_PREFIX)-sysupgrade.img.gz := boot-scr | boot-img | sdcard-img | gzip | append-metadata
>     IMAGE/omnia-medkit-$$(IMAGE_PREFIX)-initramfs.tar.gz := omnia-medkit-initramfs | gzip
>     IMAGE_NAME = $$(2)
> -  SOC := armada-385
>     SUPPORTED_DEVICES += armada-385-turris-omnia
>     BOOT_SCRIPT := turris-omnia
>   endef