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4 power management programming summary, Table 6-9, Device power management programming summary – AMD Geode SC3200 User Manual

Page 164

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164

AMD Geode™ SC3200 Processor Data Book

Core Logic Module

32581C

6.2.10.4 Power Management Programming Summary

Table 6-9 provides a programming register summary for the
power management timers, traps, and functions. For com-

plete bit information regarding the registers listed in Table
6-9, ref
er to Section 6.4.1 "Bridge, GPIO, and LPC Regis-
ters - Function 0" on page 188.

Table 6-9. Device Power Management Programming Summary

Device Power

Management Resource

Located at F0 Index xxh Unless Otherwise Noted

Enable

Configuration

Second Level

SMI Status/No Clear

Second Level SMI

Status/With Clear

Global Timer Enable

80h[0]

N/A

N/A

N/A

Keyboard / Mouse Idle Timer

81h[3]

93h[1:0]

85h[3]

F5h[3]

Parallel / Serial Idle Timer

81h[2]

93h[1:0]

85h[2]

F5h[2]

Floppy Disk Idle Timer

81h[1]

9Ah[15:0], 93h[7]

85h[1]

F5h[1]

Video Idle Timer

1

81h[7]

A6h[15:0]

85h[7]

F5h[7]

VGA Timer

2

83h[3]

8Eh[7:0]

F1BAR0+I/O
Offset 00h[6]

F1BAR0+I/O
Offset 02h[6]

Primary Hard Disk Idle Timer

81h[0]

98h[15:0], 93h[5]

85h[0]

F5h[0]

Secondary Hard Disk Idle Timer

83h[7]

ACh[15:0], 93h[4]

86h[4]

F6h[4]

User Defined Device 1 Idle
Timer

81h[4]

A0h[15:0], C0h[31:0],
CCh[7:0]

85h[4]

F5h[4]

User Defined Device 2 Idle
Timer

81h[5]

A2h[15:0], C4h[31:0],
CDh[7:0]

85h[5]

F5h[5]

User Defined Device 3 Idle
Timer

81h[6]

A4h[15:0], C8h[31:0],
CEh[7:0]

85h[6]

F5h[6]

Global Trap Enable

80h[2]

N/A

N/A

N/A

Keyboard / Mouse Trap

82h[3]

9Eh[15:0] 93h[1:0]

86h[3]

F6h[3]

Parallel / Serial Trap

82h[2]

9Ch[15:0], 93h[1:0]

86h[2]

F6h[2]

Floppy Disk Trap

82h[1]

93h[7]

86h[1]

F6h[1]

Video Access Trap

82h[7]

N/A

86h[7]

F6h[7]

Primary Hard Disk Trap

82h[0]

93h[5]

86h[0]

F6h[0]

Secondary Hard Disk Trap

83h[6]

93h[4]

86h[5]

F6h[5]

User Defined Device 1 Trap

82h[4]

C0h[31:0], CCh[7:0]

F1BAR0+I/O
Offset 04h[2]

F1BAR0+I/O
Offset 06h[2]

User Defined Device 2 Trap

82h[5]

C4h[31:0], CDh[7:0]

F1BAR0+I/O
Offset 04h[3]

F1BAR0+I/O
Offset 06h[3]

User Defined Device 3 Trap

82h[6]

C8h[31:0], CEh[7:0]

F1BAR0+I/O
Offset 04h[4]

F1BAR0+I/O
Offset 06h[4]

General Purpose Timer 1

83h[0]

88h[7:0], 89h[7:0], 8Bh[4]

F1BAR0+I/O
Offset 04h[0]

F1BAR0+I/O
Offset 06h[0]

General Purpose Timer 2

83h[1]

8Ah[7:0], 8Bh[5,3,2]

F1BAR0+I/O
Offset 04h[1]

F1BAR0+I/O
Offset 06h[1]

Suspend Modulation

96h[0]

94h[15:0], 96h[2:0]

N/A

N/A

Video Speedup

80h[4]

8Dh[7:0], A8h[15:0]

N/A

N/A

IRQ Speedup

80h[3]

8Ch[7:0]

N/A

N/A

1.

This function is used for Suspend determination.

2.

This function is used for SoftVGA.