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Commit d556fcc1 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: pci: Flag the dreamcast BBA as IORESOURCE_PCI_FIXED. 



This isn't a real BAR, so prevent any attempts to move it, as we don't
wish to encourage a bus luck by overzealous PCI initialization code.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent bb339647

arch/sh/drivers/pci/fixups-dreamcast.c

+7 −0
Original line number Diff line number Diff line
@@ -41,6 +41,13 @@ static void __init gapspci_fixup_resources(struct pci_dev *dev) 
		 */

		dev->resource[1].start	= p->io_resource->start  + 0x100;

		dev->resource[1].end	= dev->resource[1].start + 0x200 - 1;



		/*

		 * This is not a normal BAR, prevent any attempts to move

		 * the BAR, as this will result in a bus lock.

		 */

		dev->resource[1].flags |= IORESOURCE_PCI_FIXED;



		/*

		 * Redirect dma memory allocations to special memory window.

		 */