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authorPaul Mackerras <paulus@samba.org>2008-11-19 16:10:32 +1100
committerPaul Mackerras <paulus@samba.org>2008-11-19 16:10:32 +1100
commitcea555d384b85271035814c5adad23e6c7fc5d2a (patch)
tree1181b6333a69a135293ec75f8a48c849ee32c015 /arch/arm/plat-iop/setup.c
parent78608dd32ce46789e970d6c3c423cd668c138d6c (diff)
parent7f0f598a0069d1ab072375965a4b69137233169c (diff)
Merge branch 'linux-2.6' into next
Diffstat (limited to 'arch/arm/plat-iop/setup.c')
-rw-r--r--arch/arm/plat-iop/setup.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm/plat-iop/setup.c b/arch/arm/plat-iop/setup.c
index 4689db638e9..9e573e78176 100644
--- a/arch/arm/plat-iop/setup.c
+++ b/arch/arm/plat-iop/setup.c
@@ -16,14 +16,15 @@
#include <asm/hardware/iop3xx.h>
/*
- * Standard IO mapping for all IOP3xx based systems
+ * Standard IO mapping for all IOP3xx based systems. Note that
+ * the IOP3xx OCCDR must be mapped uncached and unbuffered.
*/
static struct map_desc iop3xx_std_desc[] __initdata = {
{ /* mem mapped registers */
.virtual = IOP3XX_PERIPHERAL_VIRT_BASE,
.pfn = __phys_to_pfn(IOP3XX_PERIPHERAL_PHYS_BASE),
.length = IOP3XX_PERIPHERAL_SIZE,
- .type = MT_DEVICE,
+ .type = MT_UNCACHED,
}, { /* PCI IO space */
.virtual = IOP3XX_PCI_LOWER_IO_VA,
.pfn = __phys_to_pfn(IOP3XX_PCI_LOWER_IO_PA),