............................Contents


1. PCI FCode Information	1
..PCI FCode PROM Header Format	1
..The PCI Expansion PROM Header Format	2
..PCI Expansion PROM Data Structure Format	2
..Format of Physical Address in "`reg`" Property	3
..PCI Device Configuration Register Access	4
..Boot Software Roles	5
..CPU PROM-Generated Properties	6
2. FCode Design Considerations	7
..Adding a PCI Header to a PROM	7
..Accessing a PCI Device's Configuration Space Registers	7
..Base Address Register Setting	7
..System Cache Line Size	8
..Sun Ultra^(TM) 1 UPA/PCI-Related Nodes	8
..Using Physical Addresses	9


...Controlling PCI Slot Probing on an Ultra 1 UPA/PCI System.	11
...Using 3.x Tokenizer and 3.x CPU PROMs	12
3. FCode Debugging	15
...Packaging PCI FCode	15
...System Flags and FCode Debugging	16
4. Troubleshooting	17
...Enabling Access to a PCI Device's Memory Space Locations .	17
...Expansion FCode PROM	18
...Packaging Error With Ethernet FCode	19
...`select-dev` Errors	21
Index	23