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| author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2007-05-17 14:51:47 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-06-06 19:34:31 +0100 |
| commit | 0c2bf745f9bdef7243ef5f04e6b05f592abead06 (patch) | |
| tree | c896ae0f72ecf64da6b2147b00a343eaca2b79c4 /arch/mips/sni | |
| parent | d73d420708f456a63d7db2c504c62cd713381d7d (diff) | |
| download | linux-0c2bf745f9bdef7243ef5f04e6b05f592abead06.tar.gz linux-0c2bf745f9bdef7243ef5f04e6b05f592abead06.tar.bz2 linux-0c2bf745f9bdef7243ef5f04e6b05f592abead06.zip | |
[MIPS] RM300: Fix MMIO problems by marking the PCI INT ACK region busy
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/sni')
| -rw-r--r-- | arch/mips/sni/pcimt.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/mips/sni/pcimt.c b/arch/mips/sni/pcimt.c index 9ee208daa8b1..97b234361b4d 100644 --- a/arch/mips/sni/pcimt.c +++ b/arch/mips/sni/pcimt.c @@ -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; |