Memory [0] low, Memory [0] high – Avago Technologies LSI53C1020 User Manual
Page 88
4-10
PCI Host Register Description
Version 2.4
Copyright © 2001–2004 by LSI Logic Corporation. All rights reserved.
Reserved
[1:0]
This field is reserved.
Register: 0x14–0x17
Memory [0] Low
Read/Write
The
register and the
register map
SCSI operating registers into Memory Space [0]. This register contains
the lower 32 bits of the Memory Space [0] base address. Hardware
programs bits [9:0] to 0b0000000100, which indicates that the Memory
Space [0] base address is 64 bits wide and that the memory data is not
prefetchable. The LSI53C1020 requires 1024 bytes of memory space.
Memory [0] Low
[31:0]
This field contains the Memory [0] Low address.
Register: 0x18–0x1B
Memory [0] High
Read/Write
The
register and the
register map
SCSI operating registers into Memory Space [0]. This register contains
the upper 32 bits of the Memory Space [0] base address. The
LSI53C1020 requires 1024 bytes of memory space.
Memory [0] High
[31:0]
This field contains the Memory [0] High address.
31
0
Memory [0] Low
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
31
0
Memory [0] High
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0