Product specifications
VT8237R Data Sheet
Revision 2.06 December 15, 2004 -27- Register Overview
Device 15 Function 0 Registers – SATA Controller
Configuration Space SATA Header Registers
Offset
Confi
g
uration S
p
ace Header Default Acc
1-0 Vendor ID
1106
RO
3-2 Device ID
3149
RO
5-4 Command 0000 RO
7-6 Status
0290 RW
8 Revision ID
80
RO
9 Programming Interface
8F RW
A Sub Class Code (RAID Controller)
04
RO
B Base Class Code (Mass Storage)
01
RO
C Cache Line Size 00 RO
D Latency Timer
20 RW
E Header Type (MultiFunction Device)
80
RO
F -reserved- 00 —
13-10 Base Address – Pri Data / Command
000001F1 RW
17-14 Base Address – Pri Control / Status
000003F5 RW
1B-18 Base Address – Sec Data / Command
00000171 RW
1F-1C Base Address – Sec Control / Status
00000375 RW
23-20 Base Address – Bus Master Control
0000CC01 RW
27-24 Base Address – SATA Control/Status
00008C00 RW
28-2B -reserved- (unassigned) 00 —
2D-2C Sub Vendor ID
1106
RO
2F-2E Sub Device ID
3149
RO
30-33 Base Address – Expansion ROM 0000 0000
RW
34 PCI Power Mgmt Capability Pointer
C0
RO
35-3B -reserved- (unassigned) 00 —
3C Interrupt Line
0D
RO
3D Interrupt Pin
01
RO
3E Minimum Grant 00 RO
3F Maximum Latency 00 RO
Configuration Space SATA-Specific Registers
Offset
SATA Confi
g
uration Re
g
isterss Default Acc
40 SATA Channel Enable
03
RW
41 SATA Interrupt Gating
03
RW
42 Native Mode Enable
F1
RW
43 FIFO Threshold Control 00 RW
44 Miscellaneous Control I
0E
RW
45 Miscellaneous Control II
AF
RW
46 Miscellaneous Control III 00 RW
47 -reserved- 00 —
48 PHY Wakeup Request Control 00 RW
49 PATA / SATA Shared Function Ctrl
82
RW
4A SATA External PHY Pad Control I
10
RW
4B SATA External PHY Pad Control II
0B
RW
4E PHY Port Error Status Control 00 RW
4F -reserved- 00 —
Offset
SATA Transport Control Registers Default Acc
50 Software Ctrl Power Mode Request 00 RW
51 Hardware Ctrl Power Mode 00 RW
52 Transport Miscellaneous Control 00 RW
53 Reserved (Do Not Program) 00 RW
Offset
SATA Link Control Registers Default Acc
54 -reserved- 00 —
55 Reserved (Do Not Program) 00 RW
56 Internal PHY SATA LINK Control 00 RW
57 External PHY SATA LITE Control 00 RW
Offset
SATA PHY Control Registers Default Acc
58-59 Reserved (Do Not Program)
—
RW
5A Internal SATA PHY Control
10
RW
5B External SATA PHY Control 00 RW
5C Internal SATA PHY Control
05
RW
5D SATA PHY Direct Access Mode Ctrl 00 RW
5E SATA Internal PHY Pad Control 00 RW
60-77 -reserved- 00 —