Broadcom NetXtreme/NetLink BCM5718 Series

Table of ContentsBCM5718 Programmer’s Guide
Broadcom
®
January 29, 2016 • 5718-PG108-R Page 17
Section 9: PCI ..................................................................................................................168
Configuration Space ................................................................................................................................168
Description .......................................................................................................................................... 168
Functional Overview............................................................................................................................ 171
PCI Configuration Space Registers ............................................................................................. 171
PCI Required Header Region ......................................................................................................171
Indirect Mode ............................................................................................................................... 172
Indirect Register Access .............................................................................................................. 173
Indirect Memory Access............................................................................................................... 175
UNDI Mailbox Access .................................................................................................................. 177
Standard Mode............................................................................................................................. 179
Memory Mapped I/O Registers ........................................................................................................... 184
PCI Command Register ............................................................................................................... 184
PCI State Register ....................................................................................................................... 184
PCI Base Address Register ......................................................................................................... 184
Bus Interface............................................................................................................................................. 186
Description .......................................................................................................................................... 186
Operational Characteristics ................................................................................................................. 187
Read/Write DMA Engines ............................................................................................................ 187
Expansion ROM........................................................................................................................................ 187
Description .......................................................................................................................................... 187
Operational Characteristics ................................................................................................................. 187
BIOS.................................................................................................................................................... 187
Preboot Execution Environment...................................................................................................188
Power Management.................................................................................................................................. 188
Description .......................................................................................................................................... 188
Operational Characteristics ................................................................................................................. 189
Device State D0 (Uninitialized) .................................................................................................... 189
Device State D0 (Active) .............................................................................................................. 190
Device State D3 (Hot) .................................................................................................................. 190
Device State D3 (Cold) ................................................................................................................ 190
Wake on LAN ...................................................................................................................................... 190
GPIO ................................................................................................................................................... 191
Power Supply in D3 State ................................................................................................................... 191
Clock Control....................................................................................................................................... 191
Device ACPI Transitions ..................................................................................................................... 192
Disable Device Through BIOS ............................................................................................................ 192
Endian Control (Byte and Word Swapping)........................................................................................... 193
Background ......................................................................................................................................... 193