[U-Boot] [U-Boot,v2] odroid-c2: Enable distro boot

[Andreas Färber]

Am 23.04.2017 um 12:41 schrieb Andreas Färber:
> Am 22.04.2017 um 16:51 schrieb Heinrich Schuchardt:
>> On 04/22/2017 03:10 PM, Andreas Färber wrote:
>>> Hi,
>>>
>>> Am 22.04.2017 um 14:59 schrieb Heinrich Schuchardt:
>>>> On 01/15/2017 07:52 PM, Andreas Färber wrote:
>>>>> Use the generic "distro" boot framework to enable automatic DHCP boot.
>>>>>
>>>>> The fdt and kernel addresses are adopted from downstream; ramdisk and
>>>>> scriptaddr addresses were chosen arbitrarily.
>>>>>
>>>>> Signed-off-by: Andreas Färber <afaerber at suse.de>
>>>>> ---
>>>> ...
>>>>> diff --git a/include/configs/odroid-c2.h b/include/configs/odroid-c2.h
>>>>> index 1d5b3d5..bf7e1af 100644
>>>>> --- a/include/configs/odroid-c2.h
>>>>> +++ b/include/configs/odroid-c2.h
>>>>> @@ -12,6 +12,8 @@
>>>>>  #define CONFIG_CONS_INDEX		0
>>>>>  #define CONFIG_BAUDRATE			115200
>>>>>  
>>>>> +#define MESON_FDTFILE_SETTING "fdtfile=amlogic/meson-gxbb-odroidc2.dtb\0"
>>>>
>>>> Hello Andreas,
>>>>
>>>> do you remember why you chose to put meson-gxbb-odroidc2.dtb into
>>>> subdirectory amlogic?
>>>
>>> I chose that directory name when I added GXBaby support to the kernel:
>>>
>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm64/boot/dts
>>>
>>> Note that we had a discussion about this a while ago when I sent patches
>>> to amend the distro framework's dtb search paths, and Tom's decision was
>>> to instead hardcode the vendor dirs inside $fdtfile.
>>
>> The following mail by Tom Rini just mentions the the file name should
>> match between Linux and U-Boot but does not ask for a vendor
>> subdirectory hardcoded in fdtfile:
>> https://lists.denx.de/pipermail/u-boot/2016-April/251709.html
>>
>> And the dragonboard ended up with fdtfile=apq8016-sbc.dtb without vendor
>> directory.
>>
>> Could you, please, refer me to the mail with the decision that you
>> mentioned.
> 
> Quoting "Re: [U-Boot] [PATCH 4/6] efi_loader: Improve .dtb search for
> arm64" from Jul 12 2016 20:05: "Please re-work the series around this idea."

... and as documented there I even brought up the point that not all
distros might stick to that structure. Tom considered that unlikely. ;)

> 
> Regards,
> Andreas
> 


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