8-4
PmPPC440: Monitor
April 2005
5. Clear the C BSS section.
6. The monitor initializes on-board devices as follows:
(These are
board_init_f()
function operations while PPCBoot is in RAM.)
•
Load all PPCBoot commands into RAM.
•
Copy exception vector table into low RAM.
•
Determine and display soldered flash size.
•
Allocate C ‘malloc’ memory area.
•
Relocate environment function pointers into RAM.
•
Configure and display PCI information.
•
Re-initialize I
2
C ports in RAM.
•
Re-initialize serial/console in RAM and display where standard in, out, and
error are directed.
•
Configure the system call table.
•
Reset the Ethernet PHY device.
•
Set the ‘kgdb’ (allows PPCBoot to enter GNU GDB debug mode).
•
Configure and enable interrupts.
•
Configure the PPC440GP internal debug mode registers and display status.
•
Configure Ethernet and display status.
•
Start the command line interpreter.
Summary of Contents for PmPPC440
Page 1: ...PmPPC440 PowerPC Based Processor PMC Module User s Manual April 2005 ...
Page 3: ...PmPPC440 PowerPC Based Processor PMC Module User s Manual April 2005 ...
Page 14: ...viii PmPPC440 Contents ...
Page 34: ...2 14 PmPPC440 Setup April 2005 ...
Page 42: ...3 8 PmPPC440 PPC440GP Processor April 2005 ...
Page 56: ...6 4 PmPPC440 Ethernet Interface April 2005 ...