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Programmable Logic Device:
PLD Register Summary
Pm8560 User’s Manual
10006609-03
8-10
Figure 8-1:
Boot Device Diagram
Register 8-12:
Boot Device Failover Mechanism (BDFM), 0x30
BF:
Boot Failover
This bit is set to a 1 when the current boot device does not match the initial default boot
device. This indicates that the image in the default device was defective, the MPC8560
watchdog timer expired, and the next device was tried. This bit is only cleared after the
Pm8560 has been power cycled.
0 Boot failover has not occurred
1 Boot failover has occurred
reserved:
Default is 00
BSJ:
Boot Socket Jumper (see register map 8-6)
When this shunt (JP2 [3:4]) is installed, the BDFM is disabled and the processor boots from
the socket.
0 Uses BDFM
1 The DMC is installed and the boot from socket shunt (JP2) is installed
BDS:
Boot Device is Socket (when shunt is installed on DMC jumper JP2 [3:4])
1 Active boot device is socketed flash
7
6
5
4
3
2
1
0
BF
reserved
BSJ
reserved
BDS
BDF1
BDF0
Initial boot attempt is from
Pm8560 soldered
flash bank 1
Boot device is DMC
socketed flash
Boot device is
Pm8560
soldered flash bank 1
DMC installed
on Pm8560?
Yes
No
DMC jumper JP2
[3:4] shunt
installed?
Yes
No
Secondary boot
attempt is from
Pm8560 soldered
flash bank 0
Yes
Flash bank 1
fail?
Yes
Flash bank 0
fail?
No
Boot from
flash bank 1
No
Boot from
flash bank 0
Summary of Contents for Pm8560
Page 8: ...Contents continued Pm8560 User s Manual 10006609 03 vi ...
Page 10: ...Pm8560 User s Manual 10006609 03 viii blank page ...
Page 12: ...Pm8560 User s Manual 10006609 03 x blank page ...
Page 14: ...Pm8560 User s Manual 10006609 03 ii blank page ...
Page 36: ...Setup Troubleshooting Pm8560 User s Manual 10006609 03 2 12 ...
Page 54: ...Serial I O Baud Rate Selection Pm8560 User s Manual 10006609 03 5 4 ...
Page 62: ...TDM Interface Rear Panel I O Connector P14 Pm8560 User s Manual 10006609 03 6 8 ...
Page 72: ...PCI Bus Interface PMC Connector Pin Assignments Pm8560 User s Manual 10006609 03 7 10 ...
Page 112: ...Development Mezzanine Card Troubleshooting Pm8560 User s Manual 10006609 03 10 12 ...
Page 138: ...Monitor Download Formats Pm8560 User s Manual 10006609 03 11 26 ...
Page 144: ...Index continued Pm8560 User s Manual 10006609 03 i 4 ...