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AMD Geode™ LX Processors Data Book 165
CPU Core Register Descriptions
33234H
5.5.2.67 Region Configuration Bypass MSR (RCONF_BYPASS_MSR)
5.5.2.68 Region Configuration A0000-BFFFF MSR (RCONF_A0_BF_MSR)
MSR Address 0000180Ah
Typ e R /W
Reset Value 00000000_00000101h
Warm Start Value 00000000_00000219h
RCONF_BYPASS_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
RSVD
313029282726252423222120191817161514131211109876543210
RSVD RPSMHDR RPTLB
RCONF_BYPASS_MSR Bit Descriptions
Bit Name Description
63:16 RSVD Reserved.
15:8 RPSMHDR Region Properties during SMM/DMM. Region configuration properties used during
SMM/DMM header accesses.
7:0 RPTLB Region Properties during Tablewalks.
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 0000180Bh
Typ e R /W
Reset Value 01010101_01010101h
Warm Start Value 19191919_19191919h
RCONF_A0_BF_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
RPBC RPB8 RPB4 RPB0
313029282726252423222120191817161514131211109876543210
RPAC RPA8 RPA4 RPA0
RCONF_A0_BF_MSR Bit Descriptions
Bit Name Description
63:56 RPBC Region Properties for 000BC000-000BFFFF.
55:48 RPB8 Region Properties for 000B8000-000BBFFF.
47:40 RPB4 Region Properties for 000B4000-000BAFFF.
39:32 RPB0 Region Properties for 000B0000-000B3FFF.
31:24 RPAC Region Properties for 000AC000-000AFFFF.
23:16 RPA8 Region Properties for 000A8000-000ABFFF.
15:8 RPA4 Region Properties for 000A4000-000A7FFF.
7:0 RPA0 Region Properties for 000A0000-000A3FFF.
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.