[U-Boot] Armada 38x clearfog pci trouble

Stefan Roese sr at denx.de
Fri Sep 22 12:32:34 UTC 2017


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

I see. Please send a proper patch to change this setting
in mainline to the list.

Thanks,
Stefan


More information about the U-Boot mailing list