On Wed, Mar 11, 2015 at 06:22:42PM +0300, Stas Sergeev wrote: > 11.03.2015 18:13, Gregory CLEMENT пишет: > > On 11/03/2015 16:01, Stas Sergeev wrote: > >> 11.03.2015 16:14, Russell King - ARM Linux пишет: > >>> On Wed, Mar 11, 2015 at 01:44:57PM +0100, Gregory CLEMENT wrote: > >>>> Hi Stas, > >>>> > >>>> On 10/03/2015 17:54, Stas Sergeev wrote: > >>>>> Hello, the patch below is needed for a successful boot on armada-xp. > >>>>> > >>>> I am really surprised by this patch because I used the Armada XP based > >>>> board in a daily base and I never saw this issue. > >>> Can you provide some details about your board - does it have 8GB of > >>> memory, ranging from 0-0xf0000000, and 4G-8G ? > >> I wonder about this 256Mb memory hole. > > This is where the SoC registers are. > OK but it seems I am loosing this region of _physical_ memory:
Correct, because the kernel can't see that physical memory. If it tries to access the physical memory at those locations, it hits the SoC registers and PCI instead of memory. -- FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
