4-10 PCI Host Register Description
Copyright © 2003–2005 by LSI Logic Corporation. All rights reserved.
Reserved [1:0]
This field is reserved.
Register: 0x14–0x17
Memory [0] Low
Read/Write
The Memory [0] Low register and the Memory [0] High 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 LSISAS1064 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 Memory [0] High register and the Memory [0] Low register map
SCSI operating registers into Memory Space [0]. This register contains
the upper 32 bits of the Memory Space [0] base address. The
LSISAS1064 requires 1024 bytes of memory space.
Memory [0] High [31:0]
This field contains the Memory [0] High address.
31 24 23 16 15 8 7 0
Memory [0] Low
0000000000000000000000 0 0 0 0 0 0 0 1 0 0
31 24 23 16 15 8 7 0
Memory [0] High
00000000000000000000000000000000
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