Memory maps, Rebuilding redboot, Overview – Comtrol eCos User Manual
Page 200: Initial installation method

Chapter 5. Installation and Testing
Memory Maps
This processor has no MMU, so the only memory map is for physical addresses.
Physical Address Range
Description
-----------------------
----------------------------------
0x00000000 - 0x00000fff
On-chip SRAM
0x01000000 - 0x0101ffff
Flash
0x02000000 - 0x0207ffff
RAM
0xffe00000 - 0xffffffff
I/O registers
The flash based RedBoot image occupies virtual addresses 0x01010000 - 0x0101dfff
Rebuilding RedBoot
These shell variables provide the platform-specific information needed for building RedBoot according to the
procedure described in
export TARGET=eb40
export ARCH_DIR=arm
export PLATFORM_DIR=at91
The names of configuration files are listed above with the description of the associated modes.
ARM/ARM7 Cirrus Logic EP7xxx (EDB7211, EDB7212, EDB7312)
Overview
RedBoot supports both serial ports on the board and the ethernet port. The default serial port settings are
38400,8,N,1. RedBoot also supports flash management on the EDB7xxx for the NOR flash only.
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
ROMRAM
[ROMRAM]
RedBoot running from
RAM, but contained in the
board’s flash boot sector
(EDB7312 only).
redboot_ROMRAM.ecm
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