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-rw-r--r--sys/sparc64/pci/psychoreg.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/sparc64/pci/psychoreg.h b/sys/sparc64/pci/psychoreg.h
index 1bf300f..b15e3d9 100644
--- a/sys/sparc64/pci/psychoreg.h
+++ b/sys/sparc64/pci/psychoreg.h
@@ -299,4 +299,8 @@
#define PCSR_SECBUS 0x40 /* Secondary bus number register */
#define PCSR_SUBBUS 0x41 /* Subordinate bus number register */
+/* Width of the physical addresses the IOMMU translates to */
+#define PSYCHO_IOMMU_BITS 41
+#define SABRE_IOMMU_BITS 34
+
#endif /* !_SPARC64_PCI_PSYCHOREG_H_ */
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