User Manual
BCM91125F
02/18/04
B ro a d c o m C o r p o r a t i o n
Document
91125F-UM100-R
Firmware Configuration
Page
11
S e c t i o n 4 : F i r m w a r e C o n f i g u r a t i o n
The firmware image in the flash is bi-endian, so it supports both big and little-endian operation. The following
table describes where and how much physical memory the firmware maps to the chip selects on the generic
bus.
Table 9:
Firmware Generic Bus Memory Mapping
Chip Select
Description
Physical Memory Address
Size
CS0
Boot ROM
0x1FC0_0000
16 MB
CS6
LED Display
0x1D0A_0000
64 KB
Table 10:
Firmware Configuration Bits Mapping
SW Config Bit #
Name
Action
0
autostartup
CFE attempts to execute the value stored in the STARTUP
environment variable after initialization.
1
config PCI
CFE configures PCI for device mode operation during
initialization. This switch should be set for use in a host PC/
workstation.
