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216 SPARC JPS1 Implementation Supplement: Fujitsu SPARC64 V • Release 1.0, 1 July 2002
58:57 WRI_S Specify the size of maximum outstanding WRI packet as follows.
00
2
:1
01
2
:2
10
2
:4
11
2
:8
56:55 INT_S Specify the size of maximum outstanding INT packet as follows.
00
2
:1
01
2
:8
10
2
– 11
2
: 8, but should not be specified for the extension.
54:46 — Reserved. Read as 0.
45:43 UC_S U2 cache size:
010
2
:2 MB
42:41 — Reserved. Read as 0.
40:39 AM Address Mode. Specifies the physical address size of UPA address field.
00
2
:41 bits
01
2
:43 bits
10
2
– 11
2
: Reserved
38:35 MCAP The value set by OPSR is indicated. Consult the system document for the meaning and
encoding of this field.
34 — Reserved. Read as 0.
33:30 CLK_MODE Specify the ratio between CPU clock and UPA’ clock.
0000
2
– 0011
2
: Reserved
0100
2
:4:1
0101
2
:5:1
0110
2
:6:1
0111
2
:7:1
1000
2
:8:1
1001
2
:9:1
1010
2
:10:1
1011
2
:11:1
1100
2
:12:1
1101
2
:13:1
1110
2
:14:1
1111
2
:15:1
TABLE R-3
UPA Config Register Description (Continued)
Bits Field Description