Comtrol eCos - Manual (Page 187)

Chapter 5. Installation and Testing
AM3x/MN103E010 Matsushita MN103E010 (AM33/2.0) ASB2305 Board
Overview
RedBoot supports the debug serial port and the built in ethernet port for communication and downloads. The
default serial port settings are 115200,8,N,1 with RTS/CTS flow control. RedBoot can run from either flash, and
can support flash management for either the boot PROM or the system flash regions.
The following RedBoot configurations are supported:
Configuration Mode Description File
PROM [ROM] RedBoot running from the
boot PROM and able to
access the system flash. redboot_ROM.ecm
FLASH [ROM] RedBoot running from the
system flash and able to
access the boot PROM. redboot_FLASH.ecm
RAM [RAM] RedBoot running from
RAM and able to access
the boot PROM. redboot_RAM.ecm
Initial Installation
Unless a pre-programmed system flash module is available to be plugged into a new board, RedBoot must be
installed with the aid of a JTAG interface unit. To achieve this, the RAM mode RedBoot must be loaded directly
into RAM by JTAG and started, and then that must be used to store the ROM mode RedBoot into the boot PROM.
These instructions assume that you have binary images of the RAM-based and boot PROM-based RedBoot images
available.
Preparing to program the board
If the board is to be programmed, whether via JTAG or RedBoot, some hardware settings need to be changed:
• Jumper across ST18 on the board to allow write access to the boot PROM.
• Set DIP switch S1-3 to OFF to allow RedBoot to write to the system flash.
• Set the switch S5 (on the front of the board) to boot from whichever flash is not being programmed. Note that the
RedBoot image cannot access the flash from which it is currently executing (it can only access the other flash).
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