AMD Geode LX 800@0.9W - Manual (Page 167)

AMD Geode™ LX Processors Data Book 167
CPU Core Register Descriptions 33234H
5.5.2.71 Region Configuration SMM MSR (RCONF_SMM_MSR)
RCONF_E0_FF_MSR Bit Descriptions
Bit Name Description
63:56 RPFC Region Properties for 000FC000-000FFFFF.
55:48 RPF8 Region Properties for 000F8000-000FBFFF.
47:40 RPF4 Region Properties for 000F4000-000FAFFF.
39:32 RPF0 Region Properties for 000F0000-000F3FFF.
31:24 RPEC Region Properties for 000EC000-000EFFFF.
23:16 RPE8 Region Properties for 000E8000-000EBFFF.
15:8 RPE4 Region Properties for 000E4000-000E7FFF.
7:0 RPE0 Region Properties for 000E0000-000E3FFF.
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.
MSR Address 0000180Eh
Type R/W
Reset Value 00000001_00000001h
Warm Start Value xxxxx001_xxxxx005h
RCONF_SMM_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
SMMTOP RSVD RPSMM
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
SMMBASE RSVD
RPSMM_EN
SMM_NORM
RCONF_SMM_MSR Bit Descriptions
Bit Name Description
63:44 SMMTOP Top of SMM. Top of SMM region, 4 KB granularity inclusive.
43:40 RSVD Reserved.
39:32 RPSMM Region Properties in SMM Region when SMM Active.
31:12 SMMBASE Start of SMM. Start of SMM region, 4 KB granularity inclusive
11:9 RSVD Reserved.
8 RPSMM_EN SMM Properties Region Enable.
0: Disable.
1: Enable.
7:0 SMM_NORM Region Properties in SMM Region when SMM 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.