Header type, I/o base address, Register: 0x0e – Avago Technologies LSI53C1020 User Manual
Page 87: Register: 0x0f
PCI Configuration Space Register Descriptions
4-9
Version 2.4
Copyright © 2001–2004 by LSI Logic Corporation. All rights reserved.
Register: 0x0E
Header Type
Read Only
Header Type
[7:0]
This 8-bit register identifies the layout of bytes 0x10
through 0x3F in configuration space and identifies the
LSI53C1020 as a single function PCI device.
Register: 0x0F
Reserved
Reserved
[7:0]
This register is reserved.
Register: 0x10–0x13
I/O Base Address
Read/Write
The I/O Base Address register maps the operating register set into
I/O Space. The LSI53C1020 requires 256 bytes of I/O Space for this
base address register. Hardware sets bit 0 to 0b1. Bit 1 is reserved and
returns 0b0 on all reads.
I/O Base Address
[31:2]
This field contains the I/O Base address.
7
0
Header Type
0
0
0
0
0
0
0
0
7
0
Reserved
0
0
0
0
0
0
0
0
31
2
1
0
I/O Base Address
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
1