[U-Boot] Armada 38x clearfog pci trouble

[Stefan Roese]

Hi Bin,

On 22.09.2017 15:33, Bin Meng wrote:
> On Fri, Sep 22, 2017 at 8:32 PM, Stefan Roese <sr at denx.de> wrote:
>> On 22.09.2017 14:13, Владислав wrote:
>>>
>>> I try to port sm750fb driver to uboot. I need to access bar0 because its
>>> framebuffer memory of video card.
>>>
>>> After little research i find out pciauto_region_allocate failed for
>>> allocation region for bar0:
>>>
>>> PCI Autoconfig: BAR 0, Mem, size=0x4000000, No room in resource (addr:
>>> 0xE8000000, size: 0x4000000, res->bus_start: 0xE8000000, res->size:
>>> 0x2000000)
>>>
>>>
>>> PCI Autoconfig: BAR 1, Mem, size=0x200000, address=0xe8000000
>>> bus_lower=0xe8200000
>>>
>>>
>>> I find out definition in pci_mvebu.c:
>>>
>>> #define PCIE_MEM_SIZE (32 << 20)
>>>
>>> After changing it to (128 << 20) autoconfig working vell and bar0 is fully
>>> accessible and work
> 
> Can we convert this pci_mvebu.c to DM PCI? So that this won't be
> hardcoded in the driver, instead using device tree settings from the
> boards.

I agree, that this would be much better. But I currently don't
have the time to port this driver over to DM. Patches from
others are very welcome... ;)

Thanks,
Stefan