Motorola MVME2301 Installation And Use Manual page 84

Vme processor module
Hide thumbs Also See for MVME2301:
Table of Contents

Advertisement

MPU, Hardware, and Firmware Initialization
5
5-4
7. Calculates the external bus clock speed of the MPU.
8. Delays for 750 milliseconds.
9. Determines the CPU base board type.
10. Sizes the local read/write memory (i.e., DRAM).
11. Initializes the read/write memory controller. Sets base
address of memory to $00000000.
12. Retrieves the speed of read/write memory from NVRAM.
13. Initializes the read/write memory controller with the speed
of read/write memory.
14. Retrieves the speed of read only memory (i.e., Flash) from
NVRAM.
15. Initializes the read only memory controller with the speed of
read only memory.
16. Enables the MPU's instruction cache.
17. Copies the MPU's exception vector table from $FFF00000 to
$00000000.
18. Verifies MPU type.
19. Enables the super-scalar feature of the MPU (boards with
MPC604-type chips only).
20. Verifies the external bus clock speed of the MPU.
21. Determines the debugger's console/host ports, and initializes
the PC16550A.
22. Displays the debugger's copyright message.
23. Displays any hardware initialization errors that may have
occurred.
24. Checksums the debugger object, and displays a warning
message if the checksum failed to verify.
25. Displays the amount of local read/write memory found.

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents