Specifications

17 January 1997 – Subject to Change
System Address Mapping A–19
21164 Address Space
Figure A–11 PCI Sparse I/O Space Address Translation (Region B)
The power-on self-test (POST), running POST11 software, should initialize the
contents of HAE_IO and the register should then remain unchanged.
The PCI address is assembled as follows:
•
ad<31:25> are derived from HAE_IO<31:25>
•
ad<24:3> are derived from addr<29:8>.
•
ad<2:0> are defined in Table A–5.
PCI Address
4 3
Length in Bytes
Byte Offset
HAE_IO CSR
LJ04269A.AI5
21164 Address
21164
int4_valid
31 02 01 00
34 33 05 04 03 02 00
39 38
35
060708
31 24
03
32 31
25 24
25
30 29
SBZ
1
1
0 0
0111