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AXI Wrap Bursts
Offline
Parag Goel
over 7 years ago
In case of wrapped bursts, we need to calculate first the Aligned_Address, using:
Suppose start address is 55, assuming 32 - bit bus, burst length of 4
Aligned_Address = (INT(Start_Address / Number_Bytes) ) * Number_Bytes;
The value is ::
52 or 56
i.e.
do we have round to lower or upper value.
Then we calculate the wrap boundary, using
Wrap_Boundary = ((INT(Start_Address / (Number_Bytes * Burst_Length))) * (Number_Bytes * Burst_Length);
What does this wrap boundary actually indicate,
1. The address from where wrapping will take place.
2. The address value after wrap.
Also, if anyone can let me know in a step-wise manner how the address are calculated using the same scenario above, would be great.
Hope to see the replies soon.
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