72 region configuration dmm msr (rconf_dmm_msr), 0000180fh, Region configuration dmm msr (rconf_dmm_msr) – AMD Geode LX [email protected] User Manual
Page 168: 00000001_00000001h, Xxxxx001_xxxxx005h
168
AMD Geode™ LX Processors Data Book
CPU Core Register Descriptions
33234H
5.5.2.72 Region Configuration DMM MSR (RCONF_DMM_MSR)
MSR Address
0000180Fh
Type
R/W
Reset Value
00000001_00000001h
Warm Start Value
xxxxx001_xxxxx005h
RCONF_DMM_MSR 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
DMMTOP
RSVD
RPDMM
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
DMMBASE
RSVD
RPDMM_EN
DMM_NORM
RCONF_DMM_MSR Register Bit Descriptions
Bit
Name
Description
63:44
DMMTOP
Top of DMM. Top of DMM region, 4 KB granularity inclusive.
43:40
RSVD
Reserved.
39:32
RPDMM
Region Properties in DMM Region when DMM Active.
31:12
DMMBASE
Start of DMM. Start of DMM region, 4 KB granularity inclusive.
11:9
RSVD
Reserved.
8
RPDMM_EN
DMM Properties Region Enable.
0: Disable.
1: Enable.
7:0
DMM_NORM
Region Properties in DMM Region when DMM Inactive.
Note:
Region Properties: Bits [7:6] = RSVD; Bit 5 = WS; Bit 4 = WC; Bit 3 = WT; Bit 2 = WP; Bit 1 = WA; Bit 0 = CD.
See "Region Properties" on page 170 for further details.