[U-Boot] Uboot compatible with board Tegra124-nyan-big (ChromeBook G3 HP 14")

[Simon Glass]

Hi Alexandre,

[...]

>>     Hi , My Name is Alexander and i need some tip information about U-boot
>> Board Nyan-Big to runinng Linux v4.4.x.x.
>
> Can you please resend this to the U-Boot mailing list and cc me?
>
> Thanks,
> Simon
>>
>>
>> I compiled source 4.4.0.70 Ubuntu distribution in chroot environment in my
>> chormebook Tegra Tk1.
>> After compilation the generated files were the following:
>>
>>
>>
>> [aperfeito at alarm boot]$ ls -l
>> total 24992
>> -rw-r--r-- 1 root root    98874 Jul 13 14:54 config-4.4.70-ARCH
>> -rw-r--r-- 1 root root  8277506 Jul 13 14:54 initrd.img-4.4.70-ARCH
>> -rw-r--r-- 1 root root  2033244 Jul 13 14:54 System.map-4.4.70-ARCH
>> -rw-r--r-- 1 root root 15175680 Jul 13 14:54 vmlinuz-4.4.70-ARCH
>>
>> I also compiled the u-boot-tegra in the same environment in chroot Ubuntu
>> Xenial distribution these were compiled according to the email of Tom Warren
>> send before
>>
>>   Make 'nyan-big_defconfig' and everything ok as you see below the
>> generated files:
>>
>>
>> [aperfeito at alarm u-boot-tegra]$ ls *.bin
>> u-boot.bin      u-boot-dtb-tegra.bin  u-boot-nodtb-tegra.bin
>> u-boot-dtb.bin  u-boot-nodtb.bin      u-boot-tegra.bin
>>
>> Now is the tip I'm asking you:
>> I have two suggestions on how to put this in the KERNEL partition of my
>> USB.
>>   My USB has two partitions
>>    To 1st. KERNEL Name with 16 megabytes of space dev / sda6
>>    A 2st.  ROOFS   Name approximately 29 Gigabytes of space where I worked
>> to compile the UbuntuXenial and Uboot-Tegra srcs kernel as you see in the
>> email.
>>
>>
>> Sugestion : 1
>> mkimage -D "-I dts -O dtb -p 2048" -f kernel.its vmlinux.uimg
>>   dd if=/dev/zero of=bootloader.bin bs=512 count=1
>>   vbutil_kernel \
>>     --pack vmlinux.kpart \
>>     --version 1 \
>>     --vmlinuz vmlinux.uimg \
>>     --arch arm \
>>     --keyblock kernel.keyblock \   --> How I do This  if necessary
>>     --signprivate kernel_data_key.vbprivk \  --> How I do This if
>> necessary
>>     --config cmdline \ --> TXT file whit this config below
>>     --bootloader bootloader.bin
>>
>> kernel.its adjust to files below as given to te src kernel 4.4.0-70
>> ./arch/arm/boot/dts/tegra124-nyan-blaze.dtb
>> ./arch/arm/boot/dts/tegra124-nyan-big.dtb
>> ___________________________________________________TXT CONFIG FILE
>> __________________________________________________
>> console=tty1 init=/sbin/init root=PARTUUID=%U/PARTNROFF=1 rootwait rw
>> noinitrd lsm.module_locking=0  ## OR ###
>> initrd=/boot/initrd.img-4.4.0-ARCH console=ttyS0,115200n8 console=tty1
>> ignore_loglevel earlyprintk cgroup_enable=memory root=/dev/sda7
>>
>>
>>       ###  For config line need your sugestion with is the best.
>>
>>
>> Sugestion: 2
>>
>>   I have to copy the kernel, generated initramfs, and dtb to the SDA6
>> partition and added the following kernel config to /dev/sda7/roofsparttion
>> :/boot/extlinux/extlinux.conf
>>
>> LABEL UbuntuXenial
>>  MENU LABEL UbuntuXenial on sda7 with 4.4 kernel
>>  LINUX /boot/vmlinuz-4.4.0
>>  FDT /boot/dtb/tegra124-nyan-big.dtb
>>  APPEND initrd=/boot/initrd.img-4.4.0-ARCH console=ttyS0,115200n8
>> console=tty1 ignore_loglevel earlyprintk cgroup_enable=memory root=/dev/sda7
>>
>>
>>
>> How to make U-boot-Tegra now Work with Kernel 4.4.x.x as v3.10.x.x Kernels
>> booting on USB.

There is a series which shows how to do this for tegra and rockchip.
It is at u-boot-dm/chain-working and you can find a README there as
well.

The series has not been applied yet - I think it is in Tom Warren's queue?

Regards,
Simon
[...]