Altera Partial Reconfiguration IP Core User Manual
Page 14
1. Avalon Memory Mapped Master component writes
16’h0001
(or
16’h0003
if the design requires
double PR) to this IP address offset 0x1 to trigger PR operation.
2. Avalon Memory Mapped Master component writes PR bitstream (data width in x16) to this IP address
offset 0x0 until all the PR bitstream is written.
3. Avalon Memory Mapped Master component reads the data from this IP address offset 0x1 to check
the
status[2:0]
value. Optionally, Avalon-MM Master component can read the
status[2:0]
of this
IP during PR operation to understand if any early failure was detected, for example,
PR_ERROR
.
Related Information
•
Partial Reconfiguration IP Core Parameters
•
Avalon Memory Map Slave Interface Read and Write Transfer Timing
on page 17
For more information on the timing specification for the Avalon Memory Mapped Slave interface.
Avalon Memory Map Slave Interface Data/CSR Memory Map
Table 6: Data/CSR Memory Map Format
Name
Address Offset
Width
Access
Description
PR_DATA
0x0
16 or 32
(1)
Write
Every data
write
to this address
indicates this
bitstream was
sent to the IP
core.
Performing a
read
on this
address returns
all 0's.
PR_CSR
0x1
16 or 32
(1)
Read/Write
Controls and
status registers.
(1)
Depending on the Avalon Memory Mapped data bus width.
14
Avalon Memory Map Slave Interface Data/CSR Memory Map
UG-PARTRECON
2015.05.04
Altera Corporation
Partial Reconfiguration IP Core