On Fri, Oct 30, 2015 at 2:47 PM, Khalid Aziz <khalid.aziz@xxxxxxxxxx> wrote:
>
> I applied patches 1-8 and 11-16 to 4.3.0-rc7 to test on sparc platforms. I
> am seeing a "can't claim BAR" message on a T4:
>
> pci 0000:04:00.0: can't claim BAR 6 [mem 0x84000000000-0x8400000ffff]:
> address conflict with 0000:04:00.0 [mem 0x84000000000-0x840007fffff]
PCI: scan_bus[/pci@400/pci@1/pci@0/pci@0/pci@0] bus no 4
* /pci@400/pci@1/pci@0/pci@0/pci@0/display@0
create device, devfn: 0, type: display
class: 0x30000 device name: 0000:04:00.0
parse addresses (80 bytes) @ fff8001fffe34f40
start: 84000000000, end: 840007fffff, i: 10
start: 84000800000, end: 8400081ffff, i: 14
start: 85100000000, end: 8510000007f, i: 18
start: 84000000000, end: 8400000ffff, i: 30
so the BAR 6 the ROM bar is overlapping with BAR0.
and the ROM bar get rejected.
Looks like only the device BAR6 is not assigned form OF?
Thanks
Yinghai
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