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[MIPS] RM300: Fix MMIO problems by marking the PCI INT ACK region busy

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Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Thomas Bogendoerfer 2007-05-17 14:51:47 +02:00 committed by Ralf Baechle
parent d73d420708
commit 0c2bf745f9
1 changed files with 17 additions and 1 deletions
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18
arch/mips/sni/pcimt.c
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@ -6,7 +6,7 @@
* for more details.
*
* Copyright (C) 1996, 97, 98, 2000, 03, 04, 06 Ralf Baechle (ralf@linux-mips.org)
* Copyright (C) 2006 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
* Copyright (C) 2006,2007 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
*/
#include <linux/init.h>
@ -131,6 +131,19 @@ static struct resource pcimt_io_resources[] = {
}
};
static struct resource pcimt_mem_resources[] = {
{
/*
* this region should only be 4 bytes long,
* but it's 16MB on all RM300C I've checked
*/
.start = 0x1a000000,
.end = 0x1affffff,
.name = "PCI INT ACK",
.flags = IORESOURCE_BUSY
}
};
static struct resource sni_mem_resource = {
.start = 0x18000000UL,
.end = 0x1fbfffffUL,
@ -145,6 +158,9 @@ static void __init sni_pcimt_resource_init(void)
/* request I/O space for devices used on all i[345]86 PCs */
for (i = 0; i < ARRAY_SIZE(pcimt_io_resources); i++)
request_resource(&sni_io_resource, pcimt_io_resources + i);
/* request MEM space for devices used on all i[345]86 PCs */
for (i = 0; i < ARRAY_SIZE(pcimt_mem_resources); i++)
request_resource(&sni_mem_resource, pcimt_mem_resources + i);
}
extern struct pci_ops sni_pcimt_ops;