AMD Geode LX 800@0.9W - Manual (Page 68)

68 AMD Geode™ LX Processors Data Book
GLIU Register Descriptions 33234H
4.2.2.10 WHO AM I (WHOAMI)
6 P6_SLAVE_ONLY Port 6 Slave Only. (GLIU0 = Not Used; GLIU1 = SB.) If high, indicates that Port 6 is a
slave port. If low, Port 6 is a master/slave port.
5 P5_SLAVE_ONLY Port 5 Slave Only. (GLIU0 = GP; GLIU1 = VIP.) If high, indicates that Port 5 is a slave
port. If low, Port 5 is a master/slave port.
4 P4_SLAVE_ONLY Port 4 Slave Only. (GLIU0 = DC; GLIU1 = GLPCI.) If high, indicates that Port 4 is a
slave port. If low, Port 4 is a master/slave port.
3 P3_SLAVE_ONLY Port 3 Slave Only. (GLIU0 = CPU Core; GLIU1 = GLCP.) If high, indicates that Port 3
is a slave port. If low, Port 3 is a master/slave port.
2 P2_SLAVE_ONLY Port 2 Slave Only. (GLIU0 = Interface to GLIU1; GLIU1 = VP.) If high, indicates that
Port 2 is a slave port. If low, Port 2 is a master/slave port.
1 P1_SLAVE_ONLY Port 1 Slave Only. (GLIU0 = GLMC; GLIU1 = Interface to GLIU0.) If high, indicates
that Port 1 is a slave port. If low, Port 1 is a master/slave port.
0 P0_SLAVE_ONLY Port 0 Slave Only. (GLIU0 = GLIU; GLIU1 = GLIU.) If high, indicates that Port 0 is a
slave port. If low, Port 0 is a master/slave port.
MSR Address GLIU0: 1000008Bh
GLIU1: 4000008Bh
Type RO
Reset Value Configuration Dependent
SLAVE_ONLY Bit Descriptions (Continued)
Bit Name Description
WHO AM I Register Map
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
RSVD
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RSVD DSID
WHO AM I Bit Descriptions
Bit Name Description
63:3 RSVD Reserved.
2:0 DSID Source ID of the Initiating Device. Used to prevent self referencing transactions.
000: Port 0 (GLIU0 = GLIU; GLIU1 = GLIU.)
001: Port 1 (GLIU0 = GLMC; GLIU1 = Interface to GLIU0.)
010: Port 2 (GLIU0 = Interface to GLIU1; GLIU1 = VP.)
011: Port 3 (GLIU0 = CPU Core; GLIU1 = GLCP.)
100: Port 4 (GLIU0 = DC; GLIU1 = GLPCI.)
101: Port 5 (GLIU0 = GP; GLIU1 = VIP.)
110: Port 6 (GLIU0 = Not Used; GLIU1 = SB.)
111: Port 7 (GLIU0 = Not Used; GLIU1 = Not Used.)