Arm/arm7+arm9 arm pid board and epi dev7+dev9, Overview, Initial installation method – Comtrol eCos User Manual

Page 197: Special redboot commands, Memory maps, Rebuilding redboot

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Chapter 5. Installation and Testing

ARM/ARM7+ARM9 ARM PID Board and EPI Dev7+Dev9

Overview

RedBoot uses either of the serial ports. The default serial port settings are 38400,8,N,1. Management of onboard
flash is also supported.

The following RedBoot configurations are supported:

Configuration

Mode

Description

File

ROM

[ROM]

RedBoot running from the
board’s flash boot sector.

redboot_ROM.ecm

RAM

[RAM]

RedBoot running from
RAM with RedBoot in the
flash boot sector.

redboot_RAM.ecm

Initial Installation Method

Device programmer is used to program socketed flash parts with ROM version of RedBoot.

Alternatively, to install RedBoot on a target that already has eCos GDB stubs, download the RAM mode image of
RedBoot and run it. Initialize the flash image directory: fis init Then download the ROM version of RedBoot and
program it into flash:

RedBoot> load -b %{FREEMEMLO} -m ymodem

RedBoot> fi cr RedBoot

Special RedBoot Commands

None.

Memory Maps

RedBoot sets up the following memory map on the PID board.

Physical Address Range Description

----------------------- -----------

0x00000000 - 0x0007ffff DRAM

0x04000000 - 0x04080000 flash

0x08000000 - 0x09ffffff ASB Expansion

0x0a000000 - 0x0bffffff APB Reference Peripheral

0x0c000000 - 0x0fffffff NISA Serial, Parallel and PC Card ports

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