IBM PowerPC 405GP

13:11 M3ET
Master 3 Error Type See PCICO_PLBBESRO[MOET]
10 M3RWS
Master 3 Read/Write Status
o Error operation was a write
1 Error operation was a read
9 M3FL Master 3
PCICO_PLBBESRO Field Lock
o PCICO_PLBBESRO unlocked
1
PCICO_PLBBESRO locked
8 M3AL Master 3
PCICO_PLBBEAR Address Lock
o PCICO_PLBBEAR Unlocked by Master 2
1
PCICO_PLBBEAR Locked by Master 2
7:0 Reserved
17.5.3.28 PLB Slave Error Syndrome Register 1 (PCICO_PLBBESR1)
PCICO_PLBBESR1 stores information about errors reported by the bridge PLB slave. There are four
groups of errors, one each for PLB masters
4-7. See "PLB Slave Error Syndrome Register °
(PCICO_PLBBESRO)" on page 17-45 for additional information about the fields of this register.
Only software can clear PCICO_PLBBESR1 [MxFL]. The PCICO_PLBBESR1 [MxAL] fields control the
and
PCICO_PLBBESRO and PCICO_PLBBESR1 in the same way. Writing a 1 to a field of the
PCICO_PLBBESRx clears the bit.
M4ET M4FL M5ET M5FL M6ET M6FL M7ET M7FL
7
o
M4RWSM4AL
M5RWS M5AL M6RWSM6AL M7RWS M7AL
Figure 17·49. PLB Slave Error Syndrome 1 (PCICO_PLBBESR1)
31:29
M4ET Master 4 Error Type
000 No Error
001 Parity Error
010 Reserved
011 Reserved
100 Reserved
101 Non-configured Bank Error
110 Reserved
111 Reserved
28 M4RWS
Master 4 Read/Write Status
o Write error operation
1 Read error operation
27 M4FL Master 4
PCICO_PLBBESR1 Field Lock
o PCICO_PLBBE,SR1 unlocked
1
PCICO_PLBBESR1 locked
Preliminary PCllnterface
17·47