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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: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2009-04-20 19:31:20 +09:00
parent bb3396477b
commit d556fcc101
1 changed files with 7 additions and 0 deletions
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7
arch/sh/drivers/pci/fixups-dreamcast.c
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@ -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].start = p->io_resource->start + 0x100;
dev->resource[1].end = dev->resource[1].start + 0x200 - 1; 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. * Redirect dma memory allocations to special memory window.
*/ */