AMD Geode SC1201 User Manual
Page 233
AMD Geode™ SC1200/SC1201 Processor Data Book
233
Core Logic Module - Bridge, GPIO, and LPC Registers - Function 0
32579B
1
LPC Serial Port 0 Addressing. Serial Port 0 addresses. See bit 16 for decode.
Address selection made via F0BAR1+I/O Offset 14h[4:2].
0
LPC Parallel Port Addressing. Parallel Port addresses. See bit 16 for decode.
Address selection made via F0BAR1+I/O Offset 14h[1:0].
Offset 14h-17h
LAD_D0 — LPC Address Decode 0 Register (R/W)
Reset Value: 00080020h
31:23
Reserved.
22:19
LPC Game Port 1 Address Select. Selects I/O Port:
0000: 200h
0100: 204h
1000: 208h
1100: 20Ch
0001: 201h
0101: 205h
1001: 209h
1101: 20Dh
0010: 202h
0110: 206h
1010: 20Ah
1110: 20Eh
0011: 203h
0111: 207h
1011: 20Bh
1111: 20Fh
Selected address range is enabled via F0BAR1+I/O Offset 10h[8].
18:15
LPC Game Port 0 Address Select. Selects I/O Port:
0000: 200h
0100: 204h
1000: 208h
1100: 20Ch
0001: 201h
0101: 205h
1001: 209h
1101: 20Dh
0010: 202h
0110: 206h
1010: 20Ah
1110: 20Eh
0011: 203h
0111: 207h
1011: 20Bh
1111: 20Fh
Selected address range is enabled via F0BAR1+I/O Offset 10h[7].
14
LPC Floppy Disk Controller Address Select. Selects I/O Port:
0: 3F0h-3F7h.
1: 370h-377h.
Selected address range is enabled via F0BAR1+I/O Offset 10h[6].
13:12
LPC Microsoft Sound System (MSS) Address Select. Selects I/O Port:
00: 530h-537h
10: E80h-E87h
01: 604h-60Bh
11: F40h-F47h
Selected address range is enabled via F0BAR1+I/O Offset 10h[5].
11:10
LPC MIDI Address Select. Selects I/O Port:
00: 300h-301h
10: 320h-321h
01: 310h-311h
11: 330h-331h
Selected address range is enabled via F0BAR1+I/O Offset 10h[4].
9:8
LPC Audio Address Select. Selects I/O Port:
00: 220h-233h
10: 260h-273h
01: 240h-253h
11: 280h-293h
Selected address range is enabled via F0BAR1+I/O Offset 10h[3].
7:5
LPC Serial Port 1 Address Select. Selects I/O Port:
000: 3F8h-3FFh
010: 220h-227h
100: 238h-23Fh
110: 338h-33Fh
001: 2F8h-2FFh
011: 228h-22Fh
101: 2E8h-2EFh
111: 3E8h-3EFh
Selected address range is enabled via F0BAR1+I/O Offset 10h[2].
4:2
LPC Serial Port 0 Address Select. Selects I/O Port:
000: 3F8h-3FFh
010: 220h-227h
100: 238h-23Fh
110: 338h-33Fh
001: 2F8h-2FFh
011: 228h-22Fh
101: 2E8h-2EFh
111: 3E8h-3EFh
Selected address range is enabled via F0BAR1+I/O Offset 10h[1].
1:0
LPC Parallel Port Address Select. Selects I/O Port:
00: 378h-37Fh (+778h-77Fh for ECP)
01: 278h-27Fh (+678h-67Fh for ECP) (Note)
10: 3BCh-3BFh (+7BCh-7BFh for ECP)
11: Reserved
Selected address range is enabled via F0BAR1+I/O Offset 10h[0].
Note:
279h is read only, writes are forwarded to ISA for PnP.
Table 6-31. F0BAR1+I/O Offset: LPC Interface Configuration Registers (Continued)
Bit
Description