[U-Boot] mkimage for ls1021a-twr.dtb

[Vered Zvi]

Hi Alison,

I created a busybox file system.
So I have a folder on the host that contains:
/bin /sbin /tmp /proc /usr /lib ...

Can you please explain how should I create a root file system with genext2fs (or with anotehr utility) ?

Thank you,
Z.V
________________________________________
From: Alison Wang [alison.wang at nxp.com]
Sent: Thursday, January 05, 2017 4:13 AM
To: Vered Zvi; u-boot at lists.denx.de
Subject: RE: [U-Boot] mkimage for ls1021a-twr.dtb

For dtb, you can use ls1021a-twr.dtb directly. No need to use mkimage.

To generate uImage, you can use mkimage for it.

mkimage -A arm -O linux -T kernel -C none -a 0x80008000 -e 0x80008000 -n "Linux Kernel" -d arch/arm/boot/zImage uImage.ls1021a


Best Regards,
Alison Wang

> -----Original Message-----
> From: U-Boot [mailto:u-boot-bounces at lists.denx.de] On Behalf Of
> zvivered
> Sent: Monday, January 02, 2017 9:51 PM
> To: u-boot at lists.denx.de
> Subject: [U-Boot] mkimage for ls1021a-twr.dtb
>
> Hello,
>
> I'm compiling vanilla 4.1.13 for ls1021a with gcc created with
> crosstool-ng
> Upon kernel build completion I got the file: ls1021a-twr.dtb
>
> Then I ran:
> mkimage -A arm -O Linux -C none -T kernel -n 3.14.4 -d ls1021a-twr.dtb
> uImage.dtb
>
> using tftp I downloaded:
> uImage -> 0x83000000
> uRamdisk -> 0x88000000
> uImage.dtb -> 0x8F000000
> bootm 83000000 88000000 8F000000
>
> Upon booting uImage.dtb I got:
> ERROR: uImage is not a fdt - must RESET the board to recover.
> Could not find a valid device tree
>
> What am I doing wrong ?
>
> I have a uImage.dtb taken from NXP's Yocto project.
> With this file I'm getting:
> ## Flattened Device Tree blob at 8f000000
> Booting using the fdt blob at 0x8f000000
> Loading Kernel Image ... OK
> Using Device Tree in place at 8f000000, end 8f008469
>
> With my file I'm getting:
> ## Flattened Device Tree from Legacy Image at 8f000000
> Image Name:
> Iamge Type: ARM Linux ..
> ....
> ERROR: uImage is not a fdt - must RESET the board to recover.
> Could not find a valid device tree
>
> Thank you in advance,
> Z.V
>
>
>
>
>
>
> --
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