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Broadcom Corporation
Common Firmware Environment (CFE)
Functional Specification
ABSTRACT
This document describes a common firmware environment to be shared by all Broadcom MIPS64
processors and SOC designs. The goal is to provide a standard set of APIs and data structures for use
by bootstrap, diagnostics, and initialization code for operating systems.
Copyright © 2000, 2001, 2002, 2003 Broadcom Corporation, Irvine CA
Author: Mitch Lichtenberg
Document Version: 1.6
Edit Number: 256
Last Revised: 07/09/03 4:18 PM
Common Firmware Environment (CFE) Functional Specification
© 2000-2003 Broadcom Corporation i
This page is supposed to be blank.
(of course, we’ve gone and put stuff on it, so it isn’t really blank now is it?)
Common Firmware Environment (CFE) Functional Specification
© 2000-2003 Broadcom Corporation ii
Table Of Contents
1. INTRODUCTION...............................................................................................................................................1
1.1 P
ROJECT DESCRIPTION...................................................................................................................................1
1.2 L
ICENSE INFORMATION ..................................................................................................................................2
1.3 R
ELATED DOCUMENTS...................................................................................................................................2
1.4 T
RADEMARKS.................................................................................................................................................2
1.5 R
EVISION HISTORY ........................................................................................................................................3
1.6 N
OTATION CONVENTIONS ..............................................................................................................................3
2. OVERVIEW ........................................................................................................................................................4
2.1 S
UPPORTED PLATFORMS ................................................................................................................................4
2.2 I
NITIALIZATION ..............................................................................................................................................4
2.3 E
XECUTION MODEL .......................................................................................................................................5
2.4 D
EVICE DRIVERS............................................................................................................................................5
2.5 N
ETWORK SUPPORT .......................................................................................................................................5
2.6 S
YSTEM BOOTSTRAP ......................................................................................................................................6
2.7 M
EMORY MANAGEMENT ...............................................................................................................................6
2.8 E
NVIRONMENT ...............................................................................................................................................6
2.9 F
IRMWARE API ..............................................................................................................................................6
2.10 VGA
AND KEYBOARD SUPPORT .....................................................................................................................7
2.11 USB
SUPPORT ................................................................................................................................................7
3. USER INTERFACE............................................................................................................................................9
3.1 C
OMMAND SYNTAX .......................................................................................................................................9
3.2 S
PECIAL ENVIRONMENT VARIABLES..............................................................................................................9
3.3 C
OMMAND LINE EDITOR...............................................................................................................................10
3.4 C
OMMAND DESCRIPTIONS............................................................................................................................10
3.4.1 ARP .....................................................................................................................................................11
3.4.1.1 Usage...............................................................................................................................................11
3.4.1.2 Description ......................................................................................................................................11
3.4.1.3 Options ............................................................................................................................................11
3.4.1.4 Example...........................................................................................................................................11
3.4.2 BOOT, LOAD.....................................................................................................................................12
3.4.2.1 Usage...............................................................................................................................................12
3.4.2.2 Description ......................................................................................................................................12
3.4.2.3 Options ............................................................................................................................................12
3.4.2.4 Example...........................................................................................................................................13
3.4.3 COPYDISK.........................................................................................................................................14
3.4.3.1 Usage...............................................................................................................................................14
3.4.3.2 Description ......................................................................................................................................14
3.4.3.3 Options ............................................................................................................................................14
3.4.3.4 Example...........................................................................................................................................14
3.4.4 CPU1 (test command) .........................................................................................................................15
3.4.4.1 Usage...............................................................................................................................................15
3.4.4.2 Description ......................................................................................................................................15
3.4.4.3 Options ............................................................................................................................................15
3.4.4.4 Example...........................................................................................................................................15
3.4.5 D (dump) .............................................................................................................................................16
3.4.5.1 Usage...............................................................................................................................................16
Common Firmware Environment (CFE) Functional Specification
© 2000-2003 Broadcom Corporation iii
3.4.5.2 Description ......................................................................................................................................16
3.4.5.3 Options ............................................................................................................................................16
3.4.5.4 Example...........................................................................................................................................16
3.4.6 DEFEATURE......................................................................................................................................17
3.4.6.1 Usage...............................................................................................................................................17
3.4.6.2 Description ......................................................................................................................................17
3.4.6.3 Options ............................................................................................................................................17
3.4.6.4 Example...........................................................................................................................................17
3.4.7 E (edit).................................................................................................................................................18
3.4.7.1 Usage...............................................................................................................................................18
3.4.7.2 Description ......................................................................................................................................18
3.4.7.3 Options ............................................................................................................................................18
3.4.7.4 Example...........................................................................................................................................18
3.4.8 F (fill) ..................................................................................................................................................19
3.4.8.1 Usage...............................................................................................................................................19
3.4.8.2 Description ......................................................................................................................................19
3.4.8.3 Options ............................................................................................................................................19
3.4.8.4 Example...........................................................................................................................................19
3.4.9 FLASH ................................................................................................................................................20
3.4.9.1 Usage...............................................................................................................................................20
3.4.9.2 Description ......................................................................................................................................20
3.4.9.3 Options ............................................................................................................................................20
3.4.9.4 Example...........................................................................................................................................20
3.4.10 GO .......................................................................................................................................................21
3.4.10.1 Usage...........................................................................................................................................21
3.4.10.2 Description ..................................................................................................................................21
3.4.10.3 Options ........................................................................................................................................21
3.4.10.4 Example.......................................................................................................................................21
3.4.11 HELP...................................................................................................................................................22
3.4.11.1 Usage...........................................................................................................................................22
3.4.11.2 Description ..................................................................................................................................22
3.4.11.3 Options ........................................................................................................................................22
3.4.11.4 Example.......................................................................................................................................22
3.4.12 IFCONFIG...........................................................................................................................................23
3.4.12.1 Usage...........................................................................................................................................23
3.4.12.2 Description ..................................................................................................................................23
3.4.12.3 Options ........................................................................................................................................23
3.4.12.4 Example.......................................................................................................................................24
3.4.13 LOOP...................................................................................................................................................25
3.4.13.1 Usage...........................................................................................................................................25
3.4.13.2 Description ..................................................................................................................................25
3.4.13.3 Options ........................................................................................................................................25
3.4.13.4 Example.......................................................................................................................................25
3.4.14 MAP PCI.............................................................................................................................................26
3.4.14.1 Usage...........................................................................................................................................26
3.4.14.2 Description ..................................................................................................................................26
3.4.14.3 Options ........................................................................................................................................26
3.4.14.4 Example.......................................................................................................................................26
3.4.15 MEMORYTEST..................................................................................................................................27
3.4.15.1 Usage...........................................................................................................................................27
3.4.15.2 Description ..................................................................................................................................27
3.4.15.3 Options ........................................................................................................................................27
3.4.15.4 Example.......................................................................................................................................27
3.4.16 MEMTEST..........................................................................................................................................28
3.4.16.1 Usage...........................................................................................................................................28
3.4.16.2 Description ..................................................................................................................................28
Common Firmware Environment (CFE) Functional Specification
© 2000-2003 Broadcom Corporation iv
3.4.16.3 Options ........................................................................................................................................28
3.4.16.4 Example.......................................................................................................................................28
3.4.17 PHY DUMP ........................................................................................................................................29
3.4.17.1 Usage...........................................................................................................................................29
3.4.17.2 Description ..................................................................................................................................29
3.4.17.3 Options ........................................................................................................................................29
3.4.17.4 Example.......................................................................................................................................29
3.4.18 PHY SET.............................................................................................................................................30
3.4.18.1 Usage...........................................................................................................................................30
3.4.18.2 Description ..................................................................................................................................30
3.4.18.3 Options ........................................................................................................................................30
3.4.18.4 Example.......................................................................................................................................30
3.4.19 PING....................................................................................................................................................31
3.4.19.1 Usage...........................................................................................................................................31
3.4.19.2 Description ..................................................................................................................................31
3.4.19.3 Options ........................................................................................................................................31
3.4.19.4 Example.......................................................................................................................................31
3.4.20 PRINTENV .........................................................................................................................................32
3.4.20.1 Usage...........................................................................................................................................32
3.4.20.2 Description ..................................................................................................................................32
3.4.20.3 Options ........................................................................................................................................32
3.4.20.4 Example.......................................................................................................................................32
3.4.21 RESET.................................................................................................................................................33
3.4.21.1 Usage...........................................................................................................................................33
3.4.21.2 Description ..................................................................................................................................33
3.4.21.3 Options ........................................................................................................................................33
3.4.21.4 Example.......................................................................................................................................33
3.4.22 SAVE...................................................................................................................................................34
3.4.22.1 Usage...........................................................................................................................................34
3.4.22.2 Description ..................................................................................................................................34
3.4.22.3 Options ........................................................................................................................................34
3.4.22.4 Example.......................................................................................................................................34
3.4.23 SET CONSOLE...................................................................................................................................35
3.4.23.1 Usage...........................................................................................................................................35
3.4.23.2 Description ..................................................................................................................................35
3.4.23.3 Options ........................................................................................................................................35
3.4.23.4 Example.......................................................................................................................................35
3.4.24 SET DATE ..........................................................................................................................................36
3.4.24.1 Usage...........................................................................................................................................36
3.4.24.2 Description ..................................................................................................................................36
3.4.24.3 Options ........................................................................................................................................36
3.4.24.4 Example.......................................................................................................................................36
3.4.25 SET TIME...........................................................................................................................................37
3.4.25.1 Usage...........................................................................................................................................37
3.4.25.2 Description ..................................................................................................................................37
3.4.25.3 Options ........................................................................................................................................37
3.4.25.4 Example.......................................................................................................................................37
3.4.26 SETENV..............................................................................................................................................38
3.4.26.1 Usage...........................................................................................................................................38
3.4.26.2 Description ..................................................................................................................................38
3.4.26.3 Options ........................................................................................................................................38
3.4.26.4 Example.......................................................................................................................................38
3.4.27 SHOW AGENTS.................................................................................................................................39
3.4.27.1 Usage...........................................................................................................................................39
3.4.27.2 Description ..................................................................................................................................39
3.4.27.3 Options ........................................................................................................................................39
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