
SiI3512 PCI to Serial ATA Controller
Data Sheet
Silicon Image, Inc.
46
2007-2010 Silicon Image, Inc. All rights reserved.
DS-0102-D01
CONFIDENTIAL
Internal Register Space – Base Address 4
These registers are 32 bits wide and define the internal operation of the SiI3512 controller. The access types are defined
as follows: R=read, W=write, and C=clearable by some write operation. Access to this register is through the PCI I/O
space.
Table 21. SiI3512 Internal Register Space – Base Address 4
Address
Offset
Register Name
Access
Type
31
16
15
00
0x00
Reserved
PCI Bus Master
Status – IDE0
Software Data
PCI Bus Master
Command – IDE0
R/W
0x04
PRD Table Address – IDE0
R/W
0x08
Reserved
PCI Bus Master
Status – IDE1
Reserved
PCI Bus Master
Command – IDE1
R/W
0x0C
PRD Table Address – IDE1
R/W
PCI Bus Master – IDE0
Address Offset: 0x00
Access Type: Read/Write
Reset Value: 0x0000_XX00
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Reserved
P
B
M
S
im
p
lex
P
B
M
DM
A
Cap
1
P
B
M
DM
A
Cap
0
Re
se
rve
d
IDE
0
DM
A
Com
p
P
B
M
E
rr
or
P
B
M
Ac
tive
ID
E
Wat
ch
d
og
IDE
1
DM
A
Com
p
Software
Reserved
P
B
M
Rd
-Wr
Re
se
rve
d
P
B
M
E
n
ab
le
This register defines the PCI bus master register for IDE Channel #0 in the SiI3512 controller.
See PCI Bus Master –IDE0 section on page
51 for bit definitions.
PRD Table Address – IDE0
Address Offset: 0x04
Access Type: Read/Write
Reset Value: 0x0000_0000
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
PRD Table Address – IDE0
Re
se
rve
d
This register defines the PRD Table Address register for IDE Channel #0 in the SiI3512 controller. The register bits are
section on page
52 for bit definitions.