Special redboot commands, Memory maps, Rebuilding redboot – Comtrol eCos User Manual

Page 193

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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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