[PATCH v3 0/3] Ethernet support for Raspberry Pi 4

[Jaehoon Chung]

On 2/3/20 6:48 PM, LABBE Corentin wrote:
> On Wed, Jan 29, 2020 at 07:21:09AM +0900, Jaehoon Chung wrote:
>> On 1/27/20 9:06 PM, Andre Przywara wrote:
>>> On Mon, 27 Jan 2020 12:50:16 +0100
>>> LABBE Corentin <clabbe at baylibre.com> wrote:
>>>
>>> Hi,
>>>
>>>> On Mon, Jan 27, 2020 at 04:27:03PM +0530, Amit Tomer wrote:
>>>>> Hi,
>>>>>   
>>>>>> The kernel panic just after with "OF: reserved mem: failed to allocate memory for node 'linux,cma'" but that's another story.  
>>>>>
>>>>> But this comes even without having Ethernet patches and when one use
>>>>> booti instead of bootefi, right ?
>>>>>   
>>>>
>>>> So booti is unsupported on rpi 4 ?
>>>
>>> It should be supported, but apparently there is some bug. I guess it's about not properly reserving memory used by the armstub/ATF. Do you use the embedded RPi foundation armstub or ATF (do you have an "armstub=..." line in config.txt)?
>>>
>>> I will try take a look at this later.
>>
>> I'm not sure, i had similar issue about failed to allocate memory cma.
>> I had enabled CONFIG_ARCH_FIXUP_OF_MEMORY. And i changed the loading address (kernel/ramdisk/device-tree) in boot script for our environment.
>> Because sometime some address range is overwritten.
>>
> 
> Hello
> 
> I have searched both in uboot and linux sources and didnt found any CONFIG_ARCH_FIXUP_OF_MEMORY.

Sorry. It's CONFIG_ARCH_FIXUP_FDT_MEMORY.

Best Regards,
Jaehoon Chung

> Could you give what you did exactly ?
> 
> Regards
> 
>