Conþguring The Vmebus Interface - Motorola MVME2301 Installation And Use Manual

Note
Serial Startup Code Master Enable [Y/N]=N?
A line feed can be inserted after each code is displayed to
prevent it from being overwritten by the next code. This is also
enabled by an ENV parameter:
Serial Startup Code LF Enable [Y/N]=N?
The list of LED/serial codes is included in the section on MPU,
Hardware, and Firmware Initialization in Chapter 1 of the PPCBug
Firmware Package UserÕs Manual.
Configuring the VMEbus Interface
ENV asks the following series of questions to set up the VMEbus
interface for the MVME230x modules. To perform this
configuration, you should have a working knowledge of the
Universe ASIC as described in your MVME2300-Series VME
Processor Module ProgrammerÕs Reference Guide.
VME3PCI Master Master Enable [Y/N] = Y?
Y
N
PCI Slave Image 0 Control = 00000000?
The conÞgured value is written into the LSI0_CTL register of
the Universe chip.
PCI Slave Image 0 Base Address Register = 00000000?
The conÞgured value is written into the LSI0_BS register of the
Universe chip.
LED/Serial Startup Diagnostic Codes: these codes can
be displayed at key points in the initialization of the
hardware devices. Should the debugger fail to come up
to a prompt, the last code displayed will indicate how
far the initialization sequence had progressed before
stalling. The codes are enabled by an ENV parameter:
Set up and enable the VMEbus Interface.
(Default)
Do not set up or enable the VMEbus Interface.
Modifying the Environment
6
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