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P5040/P5020 Reference Design Board User Guide, Rev. 0
64
Freescale Semiconductor
Programming Model
NOTE
Not supported for P5040/P5020RDB.
Figure 41. Configuration Sequencer Status Register (PX_OCMCSR)
NOTE
Software sets the values. Use different software in the GMSA processor to
redefine the values.
7.1.21
OCM Message Register (PX_OCMMSG)
The OCM message register is a general-purpose R/W register used to communicate between P5040/P5020
and the FPGA GMSA processor.
NOTE
Not applicable for P5040/P5020RDB.
Figure 42. Configuration Sequencer Status Register (PX_OCMMSG)
0
1
2
3
4
5
6
7
R
ACK
U0
DBGSEL
U1
MSG
W
Reset
0
0
0
0
0
0
0
0
Offset
0x14
Table 48. PX_OCMCSR Field Descriptions
Bits
Name
Description
0
ACK
• 0 - No acknowledgement
• 1 - OCM software signals that message has been processed.
1
U0
Unassigned values
2–5
DBGSEL
Selects information for the GMDBG register.
6
U1
Unassigned values
7
MSG
• 0 - No message
• 1 - Software-initiated signal notifies OCM of a message.
0
1
2
3
4
5
6
7
R
MSGADDR
W
Reset
0
0
0
0
0
0
0
0
Offset
0x15