[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [GSOC-2019] Problem with initializing crossbar on bb-x15 in dom0
On 06/07/2019 13:20, Denis Obrezkov wrote: > sorry for confusing you, I share a bit outdated log but only to show the > output of xen about device tree. We already overcome that error about > omap specific mapping (applied one of Iain's patches). I actually misread the first e-mail and didn't notice the "an older version". Sorry for the noise. > > I tried to replicate the tegra version of legacy irq controller support > you mentioned in the irq: > https://github.com/embeddedden/xen/commit/180af7ffc8abbbc3ed41dcbc9abc6e8b12daa57a rc = unmap_mmio_regions(d, _gfn(pfn_start), pfn_end + pfn_start + 1, _mfn(pfn_start)); You are not computing correctly the number of pages. I think you want "pfn_end - pfn_start + 1". But this feels weird to map then unmap the mmio. Instead, you should blacklist the crossbar device. Have a look at the field blacklist_dev in platform_desc. Cheers, -- Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |