Bug: qemu_arm64: Cannot access the second flash bank

[Matthias Brugger]

On 13/09/2021 11:40, Peter Maydell wrote:
> On Mon, 13 Sept 2021 at 10:31, Matthias Brugger <mbrugger at suse.com> wrote:
>>
>> Hi Robin,
>>
>> It's a long long time that you reported this issue.
>>
>> I prepared a fix in qemu for it. Would you mind to try it out? You can find a
>> branch with the fix on top here:
>> https://github.com/mbgg/qemu/tree/vrit-flash-dtb-bug
>>
>> Basically I fix the reg property to reflect the fact that the size-cell is one.
> 
> Isn't #size-cells here inherited from the fdt root node (where we
> set it to 2) ?
> 

Yes, you are right. After a lot of digging I realized that this should be fixed, by:
492b9917c68 ("cfi_flash: Fix devicetree address determination")

ae6b33dcc34 ("dm: fix ofnode_read_addr/size_cells()")


Sorry for the noise.

Matthias