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1 gld capabilities msr (gld_msr_cap), 2 gld master configuration msr (gld_msr_config), Gld capabilities msr (gld_msr_cap) – AMD Geode LX [email protected] User Manual

Page 305: Gld master configuration msr (gld_msr_config)

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AMD Geode™ LX Processors Data Book

305

Display Controller Register Descriptions

33234H

6.6.1

Standard GeodeLink™ Device (GLD) Registers (MSRs)

6.6.1.1

GLD Capabilities MSR (GLD_MSR_CAP)

6.6.1.2

GLD Master Configuration MSR (GLD_MSR_CONFIG)

MSR Address

80002000h

Type

RO

Reset Value

00000000_0003E4xxh

GLD_MSR_CAP 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

DEV_ID

REV_ID

GLD_MSR_CAP Bit Descriptions

Bit

Name

Description

63:24

RSVD

Reserved. Set to 0.

23:8

DEV_ID

Device ID. Identifies device (03E4h).

7:0

REV_ID

Revision ID. Identifies device revision. See AMD Geode™ LX Processors Specification
Update
document for value.

MSR Address

80002001h

Type

R/W

Reset Value

00000000_00000000h

GLD_MSR_CONFIG 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

PRI1

RS

V

D

PRI0

RS

V

D

PID

GLD_MSR_CONFIG Bit Descriptions

Bit

Name

Description

63:11

RSVD

Reserved. Set to 0.

10:8

PRI1

Secondary Priority Level. This value is the priority level the DC uses when performing
high priority GLIU0 accesses. This is the case when the FIFOs are nearly empty.

7

RSVD

Reserved. Set to 0.

6:4

PRI0

Primary Priority Level. This value is the priority level the DC uses for most accesses
(i.e., when the display FIFO is not in danger of being emptied).

3

RSVD

Reserved. Set to 0.

2:0

PID

Priority ID. This value is the Priority ID (PID) value used when the DC initiates GLIU0
transactions.

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