AMD SC3200 manual 198

Models: SC3200

1 428
Download 428 pages 6.75 Kb
Page 198
Image 198

32581C

Core Logic Module - Bridge, GPIO, and LPC Registers - Function 0

Table 6-29. F0: PCI Header/Bridge Configuration Registers for GPIO and LPC Support (Continued)

Bit

 

Description

 

 

 

 

 

Index 60h-63h

ACPI Control Register (R/W)

Reset Value: 00000000h

 

 

 

 

31:8

 

Reserved. Must be set to 0.

 

 

 

 

 

7

 

SUSP_3V Shut Down PLL5. Allow internal SUSP_3V to shut down PLL5.

 

 

 

0: Clock generator is stopped when internal SUSP_3V is active.

 

 

 

1:

Clock generator continues working when internal SUSP_3V is active.

 

 

 

 

 

6

 

SUSP_3V Shut Down PLL4. Allow internal SUSP_3V to shut down PLL4

 

 

 

0: Clock generator is stopped when internal SUSP_3V is active.

 

 

 

1:

Clock generator continues working when internal SUSP_3V is active.

 

 

 

 

 

5

 

SUSP_3V Shut Down PLL3. Allow internal SUSP_3V to shut down PLL3.

 

 

 

0: Clock generator is stopped when internal SUSP_3V is active.

 

 

 

1:

Clock generator continues working when internal SUSP_3V is active.

 

 

 

 

 

4

 

SUSP_3V Shut Down PLL2. Allow internal SUSP_3V to shut down PLL2.

 

 

 

0: Clock generator is stopped when internal SUSP_3V is active.

 

 

 

1:

Clock generator continues working when internal SUSP_3V is active.

 

 

 

 

 

3

 

SUSP_3V Shut Down PLL6. Allow internal SUSP_3V to shut down PLL6.

 

 

 

0: Clock generator is stopped when internal SUSP_3V is active.

 

 

 

1:

Clock generator continues working when internal SUSP_3V is active.

 

 

 

 

 

2

 

ACPI C3 SUSP_3V Enable. Allow internal SUSP_3V to be active during C3 state.

 

 

 

0:

Disable.

 

 

 

1:

Enable.

 

 

 

 

 

1

 

ACPI SL1 SUSP_3V Enable. Allow internal SUSP_3V to be active during SL1 sleep state.

 

 

 

0:

Disable.

 

 

 

1:

Enable.

 

 

 

 

 

0

 

ACPI C3 Support Enable. Allow support of C3 states.

 

 

 

0:

Disable.

 

 

 

1:

Enable.

 

 

 

 

 

 

Index 64h-6Bh

Reserved

Reset Value: 00h

 

 

 

Index 6Ch-6Fh

ROM Mask Register (R/W)

Reset Value: 0000FFF0h

Note:

Register must be read/written as a DWORD.

 

 

 

 

 

31:16

 

Reserved. Must be written to 0.

 

 

 

 

 

15:8

 

Reserved. Must be written to FFh.

 

 

 

 

 

7:4

 

ROM Size. If F0 Index 52h[2] = 1:

 

 

 

0000: 16 MB = FF000000h-FFFFFFFFh

 

 

 

1000: 8 MB = FF800000h-FFFFFFFFh

 

 

 

1100: 4 MB = FFC00000h-FFFFFFFFh

 

 

 

1110: 2 MB = FFE00000h-FFFFFFFFh

 

 

 

1111: 1 MB = FFF00000h-FFFFFFFFh

 

 

 

All other settings for these bits are reserved.

 

 

 

 

 

3:0

 

Reserved. Must be set to 0.

 

 

 

 

 

 

198

AMD Geode™ SC3200 Processor Data Book

Page 198
Image 198
AMD SC3200 manual 198