Special redboot commands, Memory maps, Rebuilding redboot – Comtrol eCos User Manual
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Chapter 5. Installation and Testing
•
Prepare to download the UU-encoded version of the RedBoot image:
Boot: download 10000
Ready to download. Use ’transmit’ option on terminal emulator to download file.
•
Either use ASCII transmit option in the terminal emulator, or on Linux, simply cat the file to the serial port:
$ cat redboot.UU > /dev/ttyS0
When complete, you should see:
Loaded file redboot.bin at address 000100000, size = 41960
Boot:
•
Program the flash:
Boot: flashwrite 01820000 10000 10000
•
And verify that the module is available:
Boot: rommodules
Header
Base
Limit
018057c8 01800000 018059e7 BootStrapLoader v1.0 Apr 27 2000 10:33:58
01828f24 01820000 0182a3e8 RedBoot
Apr
5 2001
•
Reboot the board and you should see the RedBoot banner.
Special RedBoot Commands
None.
Memory Maps
RedBoot sets up the following memory map on the E7T board.
NOTE: The virtual memory maps in this section use a C and B column to indicate whether or not the region is
cached (C) or buffered (B).
Physical Address Range
C B
Description
----------------------- - -
-----------
0x00000000 - 0x0007ffff Y N
SDRAM
0x03ff0000 - 0x03ffffff N N
Microcontroller registers
0x01820000 - 0x0187ffff N N
System flash (mirrored)
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