Memory maps, Rebuilding redboot, Arm/strongarm(sa110) intel ebsa 285 – Comtrol eCos User Manual
Page 208: Overview

Chapter 5. Installation and Testing
Memory Maps
The MMU page tables are located at 0x4000.
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
Description
-----------------------
----------------------------------
0x00000000 - 0x07ffffff
SDRAM
0x08000000 - 0x0805ffff
On-chip SRAM
0x40000000 - 0x40ffffff
Flash
0x7fffc000 - 0x7fffffff
I/O registers
0x80000000 - 0x8001ffff
PLD
Virtual Address Range
C B
Description
-----------------------
- -
----------------------------------
0x00000000 - 0x07ffffff
Y Y
SDRAM
0x08000000 - 0x0805ffff
Y Y
On-chip SRAM
0x40000000 - 0x403fffff
N Y
Flash
0x7fffc000 - 0x7fffffff
N N
I/O registers
0x80000000 - 0x8001ffff
N N
PLD
Rebuilding RedBoot
These shell variables provide the platform-specific information needed for building RedBoot according to the
procedure described in
export TARGET=excalibur_arm9
export ARCH_DIR=arm
export PLATFORM_DIR=arm9/excalibur
The names of configuration files are listed above with the description of the associated modes.
ARM/StrongARM(SA110) Intel EBSA 285
Overview
RedBoot uses the single EBSA-285 serial port. The default serial port settings are 38400,8,N,1. If the EBSA-285
is used as a host on a PCI backplane, ethernet is supported using an Intel PRO/100+ ethernet adapter. Management
of onboard flash is also supported.
The following RedBoot configurations are supported:
104