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authorHelge Deller <deller@parisc-linux.org>2006-03-27 23:52:15 +0400
committerKyle McMartin <kyle@hera.kernel.org>2006-03-30 21:48:42 +0400
commit5076c15862644edb91d2e3436b2fa3e07b28385d (patch)
tree179750a6a7649c8cf233509c26da144764894ded /drivers/parisc/dino.c
parent94c3e87a792c70d041954b0ef68ebd22368d0931 (diff)
downloadlinux-5076c15862644edb91d2e3436b2fa3e07b28385d.tar.xz
[PARISC] I/O-Space must be ioremap_nocache()'d
Addresses in F-space must be accessed uncached on most parisc machines. Signed-off-by: Helge Deller <deller@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'drivers/parisc/dino.c')
-rw-r--r--drivers/parisc/dino.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index 3d1a7f98c676..6e8ed0c81a6c 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -5,6 +5,7 @@
** (c) Copyright 1999 SuSE GmbH
** (c) Copyright 1999,2000 Hewlett-Packard Company
** (c) Copyright 2000 Grant Grundler
+** (c) Copyright 2006 Helge Deller
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
@@ -785,7 +786,7 @@ dino_bridge_init(struct dino_device *dino_dev, const char *name)
if((io_addr & (1 << i)) == 0)
continue;
- start = (unsigned long)(signed int)(0xf0000000 | (i << 23));
+ start = F_EXTEND(0xf0000000UL) | (i << 23);
end = start + 8 * 1024 * 1024 - 1;
DBG("DINO RANGE %d is at 0x%lx-0x%lx\n", count,
@@ -996,7 +997,7 @@ static int __init dino_probe(struct parisc_device *dev)
}
dino_dev->hba.dev = dev;
- dino_dev->hba.base_addr = ioremap(hpa, 4096);
+ dino_dev->hba.base_addr = ioremap_nocache(hpa, 4096);
dino_dev->hba.lmmio_space_offset = 0; /* CPU addrs == bus addrs */
spin_lock_init(&dino_dev->dinosaur_pen);
dino_dev->hba.iommu = ccio_get_iommu(dev);