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-rw-r--r--drivers/ieee1394/ohci1394.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/ieee1394/ohci1394.h b/drivers/ieee1394/ohci1394.h
index 7df0962144e3..fa05f113f7f0 100644
--- a/drivers/ieee1394/ohci1394.h
+++ b/drivers/ieee1394/ohci1394.h
@@ -443,6 +443,16 @@ static inline u32 reg_read(const struct ti_ohci *ohci, int offset)
#define OHCI1394_TCODE_PHY 0xE
+/* Node offset map (phys DMA area, posted write area).
+ * The value of OHCI1394_PHYS_UPPER_BOUND_PROGRAMMED may be modified but must
+ * be lower than OHCI1394_MIDDLE_ADDRESS_SPACE.
+ * OHCI1394_PHYS_UPPER_BOUND_FIXED and OHCI1394_MIDDLE_ADDRESS_SPACE are
+ * constants given by the OHCI spec.
+ */
+#define OHCI1394_PHYS_UPPER_BOUND_FIXED 0x000100000000ULL /* 4 GB */
+#define OHCI1394_PHYS_UPPER_BOUND_PROGRAMMED 0x010000000000ULL /* 1 TB */
+#define OHCI1394_MIDDLE_ADDRESS_SPACE 0xffff00000000ULL
+
void ohci1394_init_iso_tasklet(struct ohci1394_iso_tasklet *tasklet,
int type,
void (*func)(unsigned long),
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